./tools/move.sh

35 files changed, 7826 insertions, 0 deletions

diff --git a/src/grp-journal/libjournal-core/.gitignore b/src/grp-journal/libjournal-core/.gitignore
new file mode 100644
index 0000000000..04d5852547
--- /dev/null
+++ b/src/grp-journal/libjournal-core/.gitignore
@@ -0,0 +1,4 @@
+/journald-gperf.c
+/libsystemd-journal.pc
+/audit_type-list.txt
+/audit_type-*-name.*
diff --git a/src/grp-journal/libjournal-core/journald-audit.c b/src/grp-journal/libjournal-core/journald-audit.c
new file mode 100644
index 0000000000..a433c91c54
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-audit.c
@@ -0,0 +1,564 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "audit-type.h"
+#include "fd-util.h"
+#include "hexdecoct.h"
+#include "io-util.h"
+#include "journald-audit.h"
+#include "missing.h"
+#include "string-util.h"
+
+typedef struct MapField {
+        const char *audit_field;
+        const char *journal_field;
+        int (*map)(const char *field, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov);
+} MapField;
+
+static int map_simple_field(const char *field, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov) {
+        _cleanup_free_ char *c = NULL;
+        size_t l = 0, allocated = 0;
+        const char *e;
+
+        assert(field);
+        assert(p);
+        assert(iov);
+        assert(n_iov);
+
+        l = strlen(field);
+        allocated = l + 1;
+        c = malloc(allocated);
+        if (!c)
+                return -ENOMEM;
+
+        memcpy(c, field, l);
+        for (e = *p; *e != ' ' && *e != 0; e++) {
+                if (!GREEDY_REALLOC(c, allocated, l+2))
+                        return -ENOMEM;
+
+                c[l++] = *e;
+        }
+
+        c[l] = 0;
+
+        if (!GREEDY_REALLOC(*iov, *n_iov_allocated, *n_iov + 1))
+                return -ENOMEM;
+
+        (*iov)[*n_iov].iov_base = c;
+        (*iov)[*n_iov].iov_len = l;
+        (*n_iov)++;
+
+        *p = e;
+        c = NULL;
+
+        return 1;
+}
+
+static int map_string_field_internal(const char *field, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov, bool filter_printable) {
+        _cleanup_free_ char *c = NULL;
+        const char *s, *e;
+        size_t l;
+
+        assert(field);
+        assert(p);
+        assert(iov);
+        assert(n_iov);
+
+        /* The kernel formats string fields in one of two formats. */
+
+        if (**p == '"') {
+                /* Normal quoted syntax */
+                s = *p + 1;
+                e = strchr(s, '"');
+                if (!e)
+                        return 0;
+
+                l = strlen(field) + (e - s);
+                c = malloc(l+1);
+                if (!c)
+                        return -ENOMEM;
+
+                *((char*) mempcpy(stpcpy(c, field), s, e - s)) = 0;
+
+                e += 1;
+
+        } else if (unhexchar(**p) >= 0) {
+                /* Hexadecimal escaping */
+                size_t allocated = 0;
+
+                l = strlen(field);
+                allocated = l + 2;
+                c = malloc(allocated);
+                if (!c)
+                        return -ENOMEM;
+
+                memcpy(c, field, l);
+                for (e = *p; *e != ' ' && *e != 0; e += 2) {
+                        int a, b;
+                        uint8_t x;
+
+                        a = unhexchar(e[0]);
+                        if (a < 0)
+                                return 0;
+
+                        b = unhexchar(e[1]);
+                        if (b < 0)
+                                return 0;
+
+                        x = ((uint8_t) a << 4 | (uint8_t) b);
+
+                        if (filter_printable && x < (uint8_t) ' ')
+                                x = (uint8_t) ' ';
+
+                        if (!GREEDY_REALLOC(c, allocated, l+2))
+                                return -ENOMEM;
+
+                        c[l++] = (char) x;
+                }
+
+                c[l] = 0;
+        } else
+                return 0;
+
+        if (!GREEDY_REALLOC(*iov, *n_iov_allocated, *n_iov + 1))
+                return -ENOMEM;
+
+        (*iov)[*n_iov].iov_base = c;
+        (*iov)[*n_iov].iov_len = l;
+        (*n_iov)++;
+
+        *p = e;
+        c = NULL;
+
+        return 1;
+}
+
+static int map_string_field(const char *field, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov) {
+        return map_string_field_internal(field, p, iov, n_iov_allocated, n_iov, false);
+}
+
+static int map_string_field_printable(const char *field, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov) {
+        return map_string_field_internal(field, p, iov, n_iov_allocated, n_iov, true);
+}
+
+static int map_generic_field(const char *prefix, const char **p, struct iovec **iov, size_t *n_iov_allocated, unsigned *n_iov) {
+        const char *e, *f;
+        char *c, *t;
+        int r;
+
+        /* Implements fallback mappings for all fields we don't know */
+
+        for (e = *p; e < *p + 16; e++) {
+
+                if (*e == 0 || *e == ' ')
+                        return 0;
+
+                if (*e == '=')
+                        break;
+
+                if (!((*e >= 'a' && *e <= 'z') ||
+                      (*e >= 'A' && *e <= 'Z') ||
+                      (*e >= '0' && *e <= '9') ||
+                      *e == '_' || *e == '-'))
+                        return 0;
+        }
+
+        if (e <= *p || e >= *p + 16)
+                return 0;
+
+        c = alloca(strlen(prefix) + (e - *p) + 2);
+
+        t = stpcpy(c, prefix);
+        for (f = *p; f < e; f++) {
+                char x;
+
+                if (*f >= 'a' && *f <= 'z')
+                        x = (*f - 'a') + 'A'; /* uppercase */
+                else if (*f == '-')
+                        x = '_'; /* dashes → underscores */
+                else
+                        x = *f;
+
+                *(t++) = x;
+        }
+        strcpy(t, "=");
+
+        e++;
+
+        r = map_simple_field(c, &e, iov, n_iov_allocated, n_iov);
+        if (r < 0)
+                return r;
+
+        *p = e;
+        return r;
+}
+
+/* Kernel fields are those occurring in the audit string before
+ * msg='. All of these fields are trusted, hence carry the "_" prefix.
+ * We try to translate the fields we know into our native names. The
+ * other's are generically mapped to _AUDIT_FIELD_XYZ= */
+static const MapField map_fields_kernel[] = {
+
+        /* First, we map certain well-known audit fields into native
+         * well-known fields */
+        { "pid=",       "_PID=",                   map_simple_field },
+        { "ppid=",      "_PPID=",                  map_simple_field },
+        { "uid=",       "_UID=",                   map_simple_field },
+        { "euid=",      "_EUID=",                  map_simple_field },
+        { "fsuid=",     "_FSUID=",                 map_simple_field },
+        { "gid=",       "_GID=",                   map_simple_field },
+        { "egid=",      "_EGID=",                  map_simple_field },
+        { "fsgid=",     "_FSGID=",                 map_simple_field },
+        { "tty=",       "_TTY=",                   map_simple_field },
+        { "ses=",       "_AUDIT_SESSION=",         map_simple_field },
+        { "auid=",      "_AUDIT_LOGINUID=",        map_simple_field },
+        { "subj=",      "_SELINUX_CONTEXT=",       map_simple_field },
+        { "comm=",      "_COMM=",                  map_string_field },
+        { "exe=",       "_EXE=",                   map_string_field },
+        { "proctitle=", "_CMDLINE=",               map_string_field_printable },
+
+        /* Some fields don't map to native well-known fields. However,
+         * we know that they are string fields, hence let's undo
+         * string field escaping for them, though we stick to the
+         * generic field names. */
+        { "path=",      "_AUDIT_FIELD_PATH=",      map_string_field },
+        { "dev=",       "_AUDIT_FIELD_DEV=",       map_string_field },
+        { "name=",      "_AUDIT_FIELD_NAME=",      map_string_field },
+        {}
+};
+
+/* Userspace fields are those occurring in the audit string after
+ * msg='. All of these fields are untrusted, hence carry no "_"
+ * prefix. We map the fields we don't know to AUDIT_FIELD_XYZ= */
+static const MapField map_fields_userspace[] = {
+        { "cwd=",       "AUDIT_FIELD_CWD=",  map_string_field },
+        { "cmd=",       "AUDIT_FIELD_CMD=",  map_string_field },
+        { "acct=",      "AUDIT_FIELD_ACCT=", map_string_field },
+        { "exe=",       "AUDIT_FIELD_EXE=",  map_string_field },
+        { "comm=",      "AUDIT_FIELD_COMM=", map_string_field },
+        {}
+};
+
+static int map_all_fields(
+                const char *p,
+                const MapField map_fields[],
+                const char *prefix,
+                bool handle_msg,
+                struct iovec **iov,
+                size_t *n_iov_allocated,
+                unsigned *n_iov) {
+
+        int r;
+
+        assert(p);
+        assert(iov);
+        assert(n_iov_allocated);
+        assert(n_iov);
+
+        for (;;) {
+                bool mapped = false;
+                const MapField *m;
+                const char *v;
+
+                p += strspn(p, WHITESPACE);
+
+                if (*p == 0)
+                        return 0;
+
+                if (handle_msg) {
+                        v = startswith(p, "msg='");
+                        if (v) {
+                                const char *e;
+                                char *c;
+
+                                /* Userspace message. It's enclosed in
+                                   simple quotation marks, is not
+                                   escaped, but the last field in the
+                                   line, hence let's remove the
+                                   quotation mark, and apply the
+                                   userspace mapping instead of the
+                                   kernel mapping. */
+
+                                e = endswith(v, "'");
+                                if (!e)
+                                        return 0; /* don't continue splitting up if the final quotation mark is missing */
+
+                                c = strndupa(v, e - v);
+                                return map_all_fields(c, map_fields_userspace, "AUDIT_FIELD_", false, iov, n_iov_allocated, n_iov);
+                        }
+                }
+
+                /* Try to map the kernel fields to our own names */
+                for (m = map_fields; m->audit_field; m++) {
+                        v = startswith(p, m->audit_field);
+                        if (!v)
+                                continue;
+
+                        r = m->map(m->journal_field, &v, iov, n_iov_allocated, n_iov);
+                        if (r < 0)
+                                return log_debug_errno(r, "Failed to parse audit array: %m");
+
+                        if (r > 0) {
+                                mapped = true;
+                                p = v;
+                                break;
+                        }
+                }
+
+                if (!mapped) {
+                        r = map_generic_field(prefix, &p, iov, n_iov_allocated, n_iov);
+                        if (r < 0)
+                                return log_debug_errno(r, "Failed to parse audit array: %m");
+
+                        if (r == 0)
+                                /* Couldn't process as generic field, let's just skip over it */
+                                p += strcspn(p, WHITESPACE);
+                }
+        }
+}
+
+static void process_audit_string(Server *s, int type, const char *data, size_t size) {
+        _cleanup_free_ struct iovec *iov = NULL;
+        size_t n_iov_allocated = 0;
+        unsigned n_iov = 0, k;
+        uint64_t seconds, msec, id;
+        const char *p, *type_name;
+        unsigned z;
+        char id_field[sizeof("_AUDIT_ID=") + DECIMAL_STR_MAX(uint64_t)],
+             type_field[sizeof("_AUDIT_TYPE=") + DECIMAL_STR_MAX(int)],
+             source_time_field[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)];
+        char *m;
+
+        assert(s);
+
+        if (size <= 0)
+                return;
+
+        if (!data)
+                return;
+
+        /* Note that the input buffer is NUL terminated, but let's
+         * check whether there is a spurious NUL byte */
+        if (memchr(data, 0, size))
+                return;
+
+        p = startswith(data, "audit");
+        if (!p)
+                return;
+
+        if (sscanf(p, "(%" PRIu64 ".%" PRIu64 ":%" PRIu64 "):%n",
+                   &seconds,
+                   &msec,
+                   &id,
+                   &k) != 3)
+                return;
+
+        p += k;
+        p += strspn(p, WHITESPACE);
+
+        if (isempty(p))
+                return;
+
+        n_iov_allocated = N_IOVEC_META_FIELDS + 7;
+        iov = new(struct iovec, n_iov_allocated);
+        if (!iov) {
+                log_oom();
+                return;
+        }
+
+        IOVEC_SET_STRING(iov[n_iov++], "_TRANSPORT=audit");
+
+        sprintf(source_time_field, "_SOURCE_REALTIME_TIMESTAMP=%" PRIu64,
+                (usec_t) seconds * USEC_PER_SEC + (usec_t) msec * USEC_PER_MSEC);
+        IOVEC_SET_STRING(iov[n_iov++], source_time_field);
+
+        sprintf(type_field, "_AUDIT_TYPE=%i", type);
+        IOVEC_SET_STRING(iov[n_iov++], type_field);
+
+        sprintf(id_field, "_AUDIT_ID=%" PRIu64, id);
+        IOVEC_SET_STRING(iov[n_iov++], id_field);
+
+        assert_cc(4 == LOG_FAC(LOG_AUTH));
+        IOVEC_SET_STRING(iov[n_iov++], "SYSLOG_FACILITY=4");
+        IOVEC_SET_STRING(iov[n_iov++], "SYSLOG_IDENTIFIER=audit");
+
+        type_name = audit_type_name_alloca(type);
+
+        m = strjoina("MESSAGE=", type_name, " ", p);
+        IOVEC_SET_STRING(iov[n_iov++], m);
+
+        z = n_iov;
+
+        map_all_fields(p, map_fields_kernel, "_AUDIT_FIELD_", true, &iov, &n_iov_allocated, &n_iov);
+
+        if (!GREEDY_REALLOC(iov, n_iov_allocated, n_iov + N_IOVEC_META_FIELDS)) {
+                log_oom();
+                goto finish;
+        }
+
+        server_dispatch_message(s, iov, n_iov, n_iov_allocated, NULL, NULL, NULL, 0, NULL, LOG_NOTICE, 0);
+
+finish:
+        /* free() all entries that map_all_fields() added. All others
+         * are allocated on the stack or are constant. */
+
+        for (; z < n_iov; z++)
+                free(iov[z].iov_base);
+}
+
+void server_process_audit_message(
+                Server *s,
+                const void *buffer,
+                size_t buffer_size,
+                const struct ucred *ucred,
+                const union sockaddr_union *sa,
+                socklen_t salen) {
+
+        const struct nlmsghdr *nl = buffer;
+
+        assert(s);
+
+        if (buffer_size < ALIGN(sizeof(struct nlmsghdr)))
+                return;
+
+        assert(buffer);
+
+        /* Filter out fake data */
+        if (!sa ||
+            salen != sizeof(struct sockaddr_nl) ||
+            sa->nl.nl_family != AF_NETLINK ||
+            sa->nl.nl_pid != 0) {
+                log_debug("Audit netlink message from invalid sender.");
+                return;
+        }
+
+        if (!ucred || ucred->pid != 0) {
+                log_debug("Audit netlink message with invalid credentials.");
+                return;
+        }
+
+        if (!NLMSG_OK(nl, buffer_size)) {
+                log_error("Audit netlink message truncated.");
+                return;
+        }
+
+        /* Ignore special Netlink messages */
+        if (IN_SET(nl->nlmsg_type, NLMSG_NOOP, NLMSG_ERROR))
+                return;
+
+        /* Below AUDIT_FIRST_USER_MSG theer are only control messages, let's ignore those */
+        if (nl->nlmsg_type < AUDIT_FIRST_USER_MSG)
+                return;
+
+        process_audit_string(s, nl->nlmsg_type, NLMSG_DATA(nl), nl->nlmsg_len - ALIGN(sizeof(struct nlmsghdr)));
+}
+
+static int enable_audit(int fd, bool b) {
+        struct {
+                union {
+                        struct nlmsghdr header;
+                        uint8_t header_space[NLMSG_HDRLEN];
+                };
+                struct audit_status body;
+        } _packed_ request = {
+                .header.nlmsg_len = NLMSG_LENGTH(sizeof(struct audit_status)),
+                .header.nlmsg_type = AUDIT_SET,
+                .header.nlmsg_flags = NLM_F_REQUEST,
+                .header.nlmsg_seq = 1,
+                .header.nlmsg_pid = 0,
+                .body.mask = AUDIT_STATUS_ENABLED,
+                .body.enabled = b,
+        };
+        union sockaddr_union sa = {
+                .nl.nl_family = AF_NETLINK,
+                .nl.nl_pid = 0,
+        };
+        struct iovec iovec = {
+                .iov_base = &request,
+                .iov_len = NLMSG_LENGTH(sizeof(struct audit_status)),
+        };
+        struct msghdr mh = {
+                .msg_iov = &iovec,
+                .msg_iovlen = 1,
+                .msg_name = &sa.sa,
+                .msg_namelen = sizeof(sa.nl),
+        };
+
+        ssize_t n;
+
+        n = sendmsg(fd, &mh, MSG_NOSIGNAL);
+        if (n < 0)
+                return -errno;
+        if (n != NLMSG_LENGTH(sizeof(struct audit_status)))
+                return -EIO;
+
+        /* We don't wait for the result here, we can't do anything
+         * about it anyway */
+
+        return 0;
+}
+
+int server_open_audit(Server *s) {
+        static const int one = 1;
+        int r;
+
+        if (s->audit_fd < 0) {
+                static const union sockaddr_union sa = {
+                        .nl.nl_family = AF_NETLINK,
+                        .nl.nl_pid    = 0,
+                        .nl.nl_groups = AUDIT_NLGRP_READLOG,
+                };
+
+                s->audit_fd = socket(AF_NETLINK, SOCK_RAW|SOCK_CLOEXEC|SOCK_NONBLOCK, NETLINK_AUDIT);
+                if (s->audit_fd < 0) {
+                        if (errno == EAFNOSUPPORT || errno == EPROTONOSUPPORT)
+                                log_debug("Audit not supported in the kernel.");
+                        else
+                                log_warning_errno(errno, "Failed to create audit socket, ignoring: %m");
+
+                        return 0;
+                }
+
+                if (bind(s->audit_fd, &sa.sa, sizeof(sa.nl)) < 0) {
+                        log_warning_errno(errno,
+                                          "Failed to join audit multicast group. "
+                                          "The kernel is probably too old or multicast reading is not supported. "
+                                          "Ignoring: %m");
+                        s->audit_fd = safe_close(s->audit_fd);
+                        return 0;
+                }
+        } else
+                fd_nonblock(s->audit_fd, 1);
+
+        r = setsockopt(s->audit_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+        if (r < 0)
+                return log_error_errno(errno, "Failed to set SO_PASSCRED on audit socket: %m");
+
+        r = sd_event_add_io(s->event, &s->audit_event_source, s->audit_fd, EPOLLIN, server_process_datagram, s);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add audit fd to event loop: %m");
+
+        /* We are listening now, try to enable audit */
+        r = enable_audit(s->audit_fd, true);
+        if (r < 0)
+                log_warning_errno(r, "Failed to issue audit enable call: %m");
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/journald-audit.h b/src/grp-journal/libjournal-core/journald-audit.h
new file mode 100644
index 0000000000..8c7457778c
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-audit.h
@@ -0,0 +1,27 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+#include "socket-util.h"
+
+void server_process_audit_message(Server *s, const void *buffer, size_t buffer_size, const struct ucred *ucred, const union sockaddr_union *sa, socklen_t salen);
+
+int server_open_audit(Server*s);
diff --git a/src/grp-journal/libjournal-core/journald-console.c b/src/grp-journal/libjournal-core/journald-console.c
new file mode 100644
index 0000000000..fcc9f25814
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-console.c
@@ -0,0 +1,115 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <time.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "formats-util.h"
+#include "io-util.h"
+#include "journald-console.h"
+#include "journald-server.h"
+#include "parse-util.h"
+#include "process-util.h"
+#include "stdio-util.h"
+#include "terminal-util.h"
+
+static bool prefix_timestamp(void) {
+
+        static int cached_printk_time = -1;
+
+        if (_unlikely_(cached_printk_time < 0)) {
+                _cleanup_free_ char *p = NULL;
+
+                cached_printk_time =
+                        read_one_line_file("/sys/module/printk/parameters/time", &p) >= 0
+                        && parse_boolean(p) > 0;
+        }
+
+        return cached_printk_time;
+}
+
+void server_forward_console(
+                Server *s,
+                int priority,
+                const char *identifier,
+                const char *message,
+                const struct ucred *ucred) {
+
+        struct iovec iovec[5];
+        struct timespec ts;
+        char tbuf[sizeof("[] ")-1 + DECIMAL_STR_MAX(ts.tv_sec) + DECIMAL_STR_MAX(ts.tv_nsec)-3 + 1];
+        char header_pid[sizeof("[]: ")-1 + DECIMAL_STR_MAX(pid_t)];
+        int n = 0, fd;
+        _cleanup_free_ char *ident_buf = NULL;
+        const char *tty;
+
+        assert(s);
+        assert(message);
+
+        if (LOG_PRI(priority) > s->max_level_console)
+                return;
+
+        /* First: timestamp */
+        if (prefix_timestamp()) {
+                assert_se(clock_gettime(CLOCK_MONOTONIC, &ts) == 0);
+                xsprintf(tbuf, "[%5"PRI_TIME".%06ld] ",
+                         ts.tv_sec,
+                         ts.tv_nsec / 1000);
+                IOVEC_SET_STRING(iovec[n++], tbuf);
+        }
+
+        /* Second: identifier and PID */
+        if (ucred) {
+                if (!identifier) {
+                        get_process_comm(ucred->pid, &ident_buf);
+                        identifier = ident_buf;
+                }
+
+                xsprintf(header_pid, "["PID_FMT"]: ", ucred->pid);
+
+                if (identifier)
+                        IOVEC_SET_STRING(iovec[n++], identifier);
+
+                IOVEC_SET_STRING(iovec[n++], header_pid);
+        } else if (identifier) {
+                IOVEC_SET_STRING(iovec[n++], identifier);
+                IOVEC_SET_STRING(iovec[n++], ": ");
+        }
+
+        /* Fourth: message */
+        IOVEC_SET_STRING(iovec[n++], message);
+        IOVEC_SET_STRING(iovec[n++], "\n");
+
+        tty = s->tty_path ? s->tty_path : "/dev/console";
+
+        fd = open_terminal(tty, O_WRONLY|O_NOCTTY|O_CLOEXEC);
+        if (fd < 0) {
+                log_debug_errno(fd, "Failed to open %s for logging: %m", tty);
+                return;
+        }
+
+        if (writev(fd, iovec, n) < 0)
+                log_debug_errno(errno, "Failed to write to %s for logging: %m", tty);
+
+        safe_close(fd);
+}
diff --git a/src/grp-journal/libjournal-core/journald-console.h b/src/grp-journal/libjournal-core/journald-console.h
new file mode 100644
index 0000000000..dda07e2c28
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-console.h
@@ -0,0 +1,24 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+
+void server_forward_console(Server *s, int priority, const char *identifier, const char *message, const struct ucred *ucred);
diff --git a/src/grp-journal/libjournal-core/journald-gperf.gperf b/src/grp-journal/libjournal-core/journald-gperf.gperf
new file mode 100644
index 0000000000..7fecd7a964
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-gperf.gperf
@@ -0,0 +1,46 @@
+%{
+#include <stddef.h>
+#include <sys/socket.h>
+#include "conf-parser.h"
+#include "journald-server.h"
+%}
+struct ConfigPerfItem;
+%null_strings
+%language=ANSI-C
+%define slot-name section_and_lvalue
+%define hash-function-name journald_gperf_hash
+%define lookup-function-name journald_gperf_lookup
+%readonly-tables
+%omit-struct-type
+%struct-type
+%includes
+%%
+Journal.Storage,            config_parse_storage,    0, offsetof(Server, storage)
+Journal.Compress,           config_parse_bool,       0, offsetof(Server, compress)
+Journal.Seal,               config_parse_bool,       0, offsetof(Server, seal)
+Journal.SyncIntervalSec,    config_parse_sec,        0, offsetof(Server, sync_interval_usec)
+# The following is a legacy name for compatibility
+Journal.RateLimitInterval,  config_parse_sec,        0, offsetof(Server, rate_limit_interval)
+Journal.RateLimitIntervalSec,config_parse_sec,       0, offsetof(Server, rate_limit_interval)
+Journal.RateLimitBurst,     config_parse_unsigned,   0, offsetof(Server, rate_limit_burst)
+Journal.SystemMaxUse,       config_parse_iec_uint64, 0, offsetof(Server, system_metrics.max_use)
+Journal.SystemMaxFileSize,  config_parse_iec_uint64, 0, offsetof(Server, system_metrics.max_size)
+Journal.SystemKeepFree,     config_parse_iec_uint64, 0, offsetof(Server, system_metrics.keep_free)
+Journal.SystemMaxFiles,     config_parse_uint64,     0, offsetof(Server, system_metrics.n_max_files)
+Journal.RuntimeMaxUse,      config_parse_iec_uint64, 0, offsetof(Server, runtime_metrics.max_use)
+Journal.RuntimeMaxFileSize, config_parse_iec_uint64, 0, offsetof(Server, runtime_metrics.max_size)
+Journal.RuntimeKeepFree,    config_parse_iec_uint64, 0, offsetof(Server, runtime_metrics.keep_free)
+Journal.RuntimeMaxFiles,    config_parse_uint64,     0, offsetof(Server, runtime_metrics.n_max_files)
+Journal.MaxRetentionSec,    config_parse_sec,        0, offsetof(Server, max_retention_usec)
+Journal.MaxFileSec,         config_parse_sec,        0, offsetof(Server, max_file_usec)
+Journal.ForwardToSyslog,    config_parse_bool,       0, offsetof(Server, forward_to_syslog)
+Journal.ForwardToKMsg,      config_parse_bool,       0, offsetof(Server, forward_to_kmsg)
+Journal.ForwardToConsole,   config_parse_bool,       0, offsetof(Server, forward_to_console)
+Journal.ForwardToWall,      config_parse_bool,       0, offsetof(Server, forward_to_wall)
+Journal.TTYPath,            config_parse_path,       0, offsetof(Server, tty_path)
+Journal.MaxLevelStore,      config_parse_log_level,  0, offsetof(Server, max_level_store)
+Journal.MaxLevelSyslog,     config_parse_log_level,  0, offsetof(Server, max_level_syslog)
+Journal.MaxLevelKMsg,       config_parse_log_level,  0, offsetof(Server, max_level_kmsg)
+Journal.MaxLevelConsole,    config_parse_log_level,  0, offsetof(Server, max_level_console)
+Journal.MaxLevelWall,       config_parse_log_level,  0, offsetof(Server, max_level_wall)
+Journal.SplitMode,          config_parse_split_mode, 0, offsetof(Server, split_mode)
diff --git a/src/grp-journal/libjournal-core/journald-kmsg.c b/src/grp-journal/libjournal-core/journald-kmsg.c
new file mode 100644
index 0000000000..3712636de2
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-kmsg.c
@@ -0,0 +1,473 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include "libudev.h"
+#include <systemd/sd-messages.h>
+
+#include "escape.h"
+#include "fd-util.h"
+#include "formats-util.h"
+#include "io-util.h"
+#include "journald-kmsg.h"
+#include "journald-server.h"
+#include "journald-syslog.h"
+#include "parse-util.h"
+#include "process-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+
+void server_forward_kmsg(
+        Server *s,
+        int priority,
+        const char *identifier,
+        const char *message,
+        const struct ucred *ucred) {
+
+        struct iovec iovec[5];
+        char header_priority[DECIMAL_STR_MAX(priority) + 3],
+             header_pid[sizeof("[]: ")-1 + DECIMAL_STR_MAX(pid_t) + 1];
+        int n = 0;
+        char *ident_buf = NULL;
+
+        assert(s);
+        assert(priority >= 0);
+        assert(priority <= 999);
+        assert(message);
+
+        if (_unlikely_(LOG_PRI(priority) > s->max_level_kmsg))
+                return;
+
+        if (_unlikely_(s->dev_kmsg_fd < 0))
+                return;
+
+        /* Never allow messages with kernel facility to be written to
+         * kmsg, regardless where the data comes from. */
+        priority = syslog_fixup_facility(priority);
+
+        /* First: priority field */
+        xsprintf(header_priority, "<%i>", priority);
+        IOVEC_SET_STRING(iovec[n++], header_priority);
+
+        /* Second: identifier and PID */
+        if (ucred) {
+                if (!identifier) {
+                        get_process_comm(ucred->pid, &ident_buf);
+                        identifier = ident_buf;
+                }
+
+                xsprintf(header_pid, "["PID_FMT"]: ", ucred->pid);
+
+                if (identifier)
+                        IOVEC_SET_STRING(iovec[n++], identifier);
+
+                IOVEC_SET_STRING(iovec[n++], header_pid);
+        } else if (identifier) {
+                IOVEC_SET_STRING(iovec[n++], identifier);
+                IOVEC_SET_STRING(iovec[n++], ": ");
+        }
+
+        /* Fourth: message */
+        IOVEC_SET_STRING(iovec[n++], message);
+        IOVEC_SET_STRING(iovec[n++], "\n");
+
+        if (writev(s->dev_kmsg_fd, iovec, n) < 0)
+                log_debug_errno(errno, "Failed to write to /dev/kmsg for logging: %m");
+
+        free(ident_buf);
+}
+
+static bool is_us(const char *pid) {
+        pid_t t;
+
+        assert(pid);
+
+        if (parse_pid(pid, &t) < 0)
+                return false;
+
+        return t == getpid();
+}
+
+static void dev_kmsg_record(Server *s, const char *p, size_t l) {
+        struct iovec iovec[N_IOVEC_META_FIELDS + 7 + N_IOVEC_KERNEL_FIELDS + 2 + N_IOVEC_UDEV_FIELDS];
+        char *message = NULL, *syslog_priority = NULL, *syslog_pid = NULL, *syslog_facility = NULL, *syslog_identifier = NULL, *source_time = NULL;
+        int priority, r;
+        unsigned n = 0, z = 0, j;
+        unsigned long long usec;
+        char *identifier = NULL, *pid = NULL, *e, *f, *k;
+        uint64_t serial;
+        size_t pl;
+        char *kernel_device = NULL;
+
+        assert(s);
+        assert(p);
+
+        if (l <= 0)
+                return;
+
+        e = memchr(p, ',', l);
+        if (!e)
+                return;
+        *e = 0;
+
+        r = safe_atoi(p, &priority);
+        if (r < 0 || priority < 0 || priority > 999)
+                return;
+
+        if (s->forward_to_kmsg && (priority & LOG_FACMASK) != LOG_KERN)
+                return;
+
+        l -= (e - p) + 1;
+        p = e + 1;
+        e = memchr(p, ',', l);
+        if (!e)
+                return;
+        *e = 0;
+
+        r = safe_atou64(p, &serial);
+        if (r < 0)
+                return;
+
+        if (s->kernel_seqnum) {
+                /* We already read this one? */
+                if (serial < *s->kernel_seqnum)
+                        return;
+
+                /* Did we lose any? */
+                if (serial > *s->kernel_seqnum)
+                        server_driver_message(s, SD_MESSAGE_JOURNAL_MISSED,
+                                              LOG_MESSAGE("Missed %"PRIu64" kernel messages",
+                                                          serial - *s->kernel_seqnum),
+                                              NULL);
+
+                /* Make sure we never read this one again. Note that
+                 * we always store the next message serial we expect
+                 * here, simply because this makes handling the first
+                 * message with serial 0 easy. */
+                *s->kernel_seqnum = serial + 1;
+        }
+
+        l -= (e - p) + 1;
+        p = e + 1;
+        f = memchr(p, ';', l);
+        if (!f)
+                return;
+        /* Kernel 3.6 has the flags field, kernel 3.5 lacks that */
+        e = memchr(p, ',', l);
+        if (!e || f < e)
+                e = f;
+        *e = 0;
+
+        r = safe_atollu(p, &usec);
+        if (r < 0)
+                return;
+
+        l -= (f - p) + 1;
+        p = f + 1;
+        e = memchr(p, '\n', l);
+        if (!e)
+                return;
+        *e = 0;
+
+        pl = e - p;
+        l -= (e - p) + 1;
+        k = e + 1;
+
+        for (j = 0; l > 0 && j < N_IOVEC_KERNEL_FIELDS; j++) {
+                char *m;
+                /* Metadata fields attached */
+
+                if (*k != ' ')
+                        break;
+
+                k++, l--;
+
+                e = memchr(k, '\n', l);
+                if (!e)
+                        return;
+
+                *e = 0;
+
+                if (cunescape_length_with_prefix(k, e - k, "_KERNEL_", UNESCAPE_RELAX, &m) < 0)
+                        break;
+
+                if (startswith(m, "_KERNEL_DEVICE="))
+                        kernel_device = m + 15;
+
+                IOVEC_SET_STRING(iovec[n++], m);
+                z++;
+
+                l -= (e - k) + 1;
+                k = e + 1;
+        }
+
+        if (kernel_device) {
+                struct udev_device *ud;
+
+                ud = udev_device_new_from_device_id(s->udev, kernel_device);
+                if (ud) {
+                        const char *g;
+                        struct udev_list_entry *ll;
+                        char *b;
+
+                        g = udev_device_get_devnode(ud);
+                        if (g) {
+                                b = strappend("_UDEV_DEVNODE=", g);
+                                if (b) {
+                                        IOVEC_SET_STRING(iovec[n++], b);
+                                        z++;
+                                }
+                        }
+
+                        g = udev_device_get_sysname(ud);
+                        if (g) {
+                                b = strappend("_UDEV_SYSNAME=", g);
+                                if (b) {
+                                        IOVEC_SET_STRING(iovec[n++], b);
+                                        z++;
+                                }
+                        }
+
+                        j = 0;
+                        ll = udev_device_get_devlinks_list_entry(ud);
+                        udev_list_entry_foreach(ll, ll) {
+
+                                if (j > N_IOVEC_UDEV_FIELDS)
+                                        break;
+
+                                g = udev_list_entry_get_name(ll);
+                                if (g) {
+                                        b = strappend("_UDEV_DEVLINK=", g);
+                                        if (b) {
+                                                IOVEC_SET_STRING(iovec[n++], b);
+                                                z++;
+                                        }
+                                }
+
+                                j++;
+                        }
+
+                        udev_device_unref(ud);
+                }
+        }
+
+        if (asprintf(&source_time, "_SOURCE_MONOTONIC_TIMESTAMP=%llu", usec) >= 0)
+                IOVEC_SET_STRING(iovec[n++], source_time);
+
+        IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=kernel");
+
+        if (asprintf(&syslog_priority, "PRIORITY=%i", priority & LOG_PRIMASK) >= 0)
+                IOVEC_SET_STRING(iovec[n++], syslog_priority);
+
+        if (asprintf(&syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority)) >= 0)
+                IOVEC_SET_STRING(iovec[n++], syslog_facility);
+
+        if ((priority & LOG_FACMASK) == LOG_KERN)
+                IOVEC_SET_STRING(iovec[n++], "SYSLOG_IDENTIFIER=kernel");
+        else {
+                pl -= syslog_parse_identifier((const char**) &p, &identifier, &pid);
+
+                /* Avoid any messages we generated ourselves via
+                 * log_info() and friends. */
+                if (pid && is_us(pid))
+                        goto finish;
+
+                if (identifier) {
+                        syslog_identifier = strappend("SYSLOG_IDENTIFIER=", identifier);
+                        if (syslog_identifier)
+                                IOVEC_SET_STRING(iovec[n++], syslog_identifier);
+                }
+
+                if (pid) {
+                        syslog_pid = strappend("SYSLOG_PID=", pid);
+                        if (syslog_pid)
+                                IOVEC_SET_STRING(iovec[n++], syslog_pid);
+                }
+        }
+
+        if (cunescape_length_with_prefix(p, pl, "MESSAGE=", UNESCAPE_RELAX, &message) >= 0)
+                IOVEC_SET_STRING(iovec[n++], message);
+
+        server_dispatch_message(s, iovec, n, ELEMENTSOF(iovec), NULL, NULL, NULL, 0, NULL, priority, 0);
+
+finish:
+        for (j = 0; j < z; j++)
+                free(iovec[j].iov_base);
+
+        free(message);
+        free(syslog_priority);
+        free(syslog_identifier);
+        free(syslog_pid);
+        free(syslog_facility);
+        free(source_time);
+        free(identifier);
+        free(pid);
+}
+
+static int server_read_dev_kmsg(Server *s) {
+        char buffer[8192+1]; /* the kernel-side limit per record is 8K currently */
+        ssize_t l;
+
+        assert(s);
+        assert(s->dev_kmsg_fd >= 0);
+
+        l = read(s->dev_kmsg_fd, buffer, sizeof(buffer) - 1);
+        if (l == 0)
+                return 0;
+        if (l < 0) {
+                /* Old kernels who don't allow reading from /dev/kmsg
+                 * return EINVAL when we try. So handle this cleanly,
+                 * but don' try to ever read from it again. */
+                if (errno == EINVAL) {
+                        s->dev_kmsg_event_source = sd_event_source_unref(s->dev_kmsg_event_source);
+                        return 0;
+                }
+
+                if (errno == EAGAIN || errno == EINTR || errno == EPIPE)
+                        return 0;
+
+                return log_error_errno(errno, "Failed to read from kernel: %m");
+        }
+
+        dev_kmsg_record(s, buffer, l);
+        return 1;
+}
+
+int server_flush_dev_kmsg(Server *s) {
+        int r;
+
+        assert(s);
+
+        if (s->dev_kmsg_fd < 0)
+                return 0;
+
+        if (!s->dev_kmsg_readable)
+                return 0;
+
+        log_debug("Flushing /dev/kmsg...");
+
+        for (;;) {
+                r = server_read_dev_kmsg(s);
+                if (r < 0)
+                        return r;
+
+                if (r == 0)
+                        break;
+        }
+
+        return 0;
+}
+
+static int dispatch_dev_kmsg(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+        Server *s = userdata;
+
+        assert(es);
+        assert(fd == s->dev_kmsg_fd);
+        assert(s);
+
+        if (revents & EPOLLERR)
+                log_warning("/dev/kmsg buffer overrun, some messages lost.");
+
+        if (!(revents & EPOLLIN))
+                log_error("Got invalid event from epoll for /dev/kmsg: %"PRIx32, revents);
+
+        return server_read_dev_kmsg(s);
+}
+
+int server_open_dev_kmsg(Server *s) {
+        int r;
+
+        assert(s);
+
+        s->dev_kmsg_fd = open("/dev/kmsg", O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
+        if (s->dev_kmsg_fd < 0) {
+                log_full(errno == ENOENT ? LOG_DEBUG : LOG_WARNING,
+                         "Failed to open /dev/kmsg, ignoring: %m");
+                return 0;
+        }
+
+        r = sd_event_add_io(s->event, &s->dev_kmsg_event_source, s->dev_kmsg_fd, EPOLLIN, dispatch_dev_kmsg, s);
+        if (r < 0) {
+
+                /* This will fail with EPERM on older kernels where
+                 * /dev/kmsg is not readable. */
+                if (r == -EPERM) {
+                        r = 0;
+                        goto fail;
+                }
+
+                log_error_errno(r, "Failed to add /dev/kmsg fd to event loop: %m");
+                goto fail;
+        }
+
+        r = sd_event_source_set_priority(s->dev_kmsg_event_source, SD_EVENT_PRIORITY_IMPORTANT+10);
+        if (r < 0) {
+                log_error_errno(r, "Failed to adjust priority of kmsg event source: %m");
+                goto fail;
+        }
+
+        s->dev_kmsg_readable = true;
+
+        return 0;
+
+fail:
+        s->dev_kmsg_event_source = sd_event_source_unref(s->dev_kmsg_event_source);
+        s->dev_kmsg_fd = safe_close(s->dev_kmsg_fd);
+
+        return r;
+}
+
+int server_open_kernel_seqnum(Server *s) {
+        _cleanup_close_ int fd;
+        uint64_t *p;
+        int r;
+
+        assert(s);
+
+        /* We store the seqnum we last read in an mmaped file. That
+         * way we can just use it like a variable, but it is
+         * persistent and automatically flushed at reboot. */
+
+        fd = open("/run/systemd/journal/kernel-seqnum", O_RDWR|O_CREAT|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0644);
+        if (fd < 0) {
+                log_error_errno(errno, "Failed to open /run/systemd/journal/kernel-seqnum, ignoring: %m");
+                return 0;
+        }
+
+        r = posix_fallocate(fd, 0, sizeof(uint64_t));
+        if (r != 0) {
+                log_error_errno(r, "Failed to allocate sequential number file, ignoring: %m");
+                return 0;
+        }
+
+        p = mmap(NULL, sizeof(uint64_t), PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+        if (p == MAP_FAILED) {
+                log_error_errno(errno, "Failed to map sequential number file, ignoring: %m");
+                return 0;
+        }
+
+        s->kernel_seqnum = p;
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/journald-kmsg.h b/src/grp-journal/libjournal-core/journald-kmsg.h
new file mode 100644
index 0000000000..dab49f1e8c
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-kmsg.h
@@ -0,0 +1,29 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+
+int server_open_dev_kmsg(Server *s);
+int server_flush_dev_kmsg(Server *s);
+
+void server_forward_kmsg(Server *s, int priority, const char *identifier, const char *message, const struct ucred *ucred);
+
+int server_open_kernel_seqnum(Server *s);
diff --git a/src/grp-journal/libjournal-core/journald-native.c b/src/grp-journal/libjournal-core/journald-native.c
new file mode 100644
index 0000000000..0a1ce205c2
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-native.c
@@ -0,0 +1,501 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stddef.h>
+#include <sys/epoll.h>
+#include <sys/mman.h>
+#include <sys/statvfs.h>
+#include <unistd.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fs-util.h"
+#include "io-util.h"
+#include "journald-console.h"
+#include "journald-kmsg.h"
+#include "journald-native.h"
+#include "journald-server.h"
+#include "journald-syslog.h"
+#include "journald-wall.h"
+#include "memfd-util.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "selinux-util.h"
+#include "socket-util.h"
+#include "string-util.h"
+
+bool valid_user_field(const char *p, size_t l, bool allow_protected) {
+        const char *a;
+
+        /* We kinda enforce POSIX syntax recommendations for
+           environment variables here, but make a couple of additional
+           requirements.
+
+           http://pubs.opengroup.org/onlinepubs/000095399/basedefs/xbd_chap08.html */
+
+        /* No empty field names */
+        if (l <= 0)
+                return false;
+
+        /* Don't allow names longer than 64 chars */
+        if (l > 64)
+                return false;
+
+        /* Variables starting with an underscore are protected */
+        if (!allow_protected && p[0] == '_')
+                return false;
+
+        /* Don't allow digits as first character */
+        if (p[0] >= '0' && p[0] <= '9')
+                return false;
+
+        /* Only allow A-Z0-9 and '_' */
+        for (a = p; a < p + l; a++)
+                if ((*a < 'A' || *a > 'Z') &&
+                    (*a < '0' || *a > '9') &&
+                    *a != '_')
+                        return false;
+
+        return true;
+}
+
+static bool allow_object_pid(const struct ucred *ucred) {
+        return ucred && ucred->uid == 0;
+}
+
+void server_process_native_message(
+                Server *s,
+                const void *buffer, size_t buffer_size,
+                const struct ucred *ucred,
+                const struct timeval *tv,
+                const char *label, size_t label_len) {
+
+        struct iovec *iovec = NULL;
+        unsigned n = 0, j, tn = (unsigned) -1;
+        const char *p;
+        size_t remaining, m = 0, entry_size = 0;
+        int priority = LOG_INFO;
+        char *identifier = NULL, *message = NULL;
+        pid_t object_pid = 0;
+
+        assert(s);
+        assert(buffer || buffer_size == 0);
+
+        p = buffer;
+        remaining = buffer_size;
+
+        while (remaining > 0) {
+                const char *e, *q;
+
+                e = memchr(p, '\n', remaining);
+
+                if (!e) {
+                        /* Trailing noise, let's ignore it, and flush what we collected */
+                        log_debug("Received message with trailing noise, ignoring.");
+                        break;
+                }
+
+                if (e == p) {
+                        /* Entry separator */
+
+                        if (entry_size + n + 1 > ENTRY_SIZE_MAX) { /* data + separators + trailer */
+                                log_debug("Entry is too big with %u properties and %zu bytes, ignoring.", n, entry_size);
+                                continue;
+                        }
+
+                        server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
+                        n = 0;
+                        priority = LOG_INFO;
+                        entry_size = 0;
+
+                        p++;
+                        remaining--;
+                        continue;
+                }
+
+                if (*p == '.' || *p == '#') {
+                        /* Ignore control commands for now, and
+                         * comments too. */
+                        remaining -= (e - p) + 1;
+                        p = e + 1;
+                        continue;
+                }
+
+                /* A property follows */
+
+                /* n existing properties, 1 new, +1 for _TRANSPORT */
+                if (!GREEDY_REALLOC(iovec, m, n + 2 + N_IOVEC_META_FIELDS + N_IOVEC_OBJECT_FIELDS)) {
+                        log_oom();
+                        break;
+                }
+
+                q = memchr(p, '=', e - p);
+                if (q) {
+                        if (valid_user_field(p, q - p, false)) {
+                                size_t l;
+
+                                l = e - p;
+
+                                /* If the field name starts with an
+                                 * underscore, skip the variable,
+                                 * since that indidates a trusted
+                                 * field */
+                                iovec[n].iov_base = (char*) p;
+                                iovec[n].iov_len = l;
+                                entry_size += iovec[n].iov_len;
+                                n++;
+
+                                /* We need to determine the priority
+                                 * of this entry for the rate limiting
+                                 * logic */
+                                if (l == 10 &&
+                                    startswith(p, "PRIORITY=") &&
+                                    p[9] >= '0' && p[9] <= '9')
+                                        priority = (priority & LOG_FACMASK) | (p[9] - '0');
+
+                                else if (l == 17 &&
+                                         startswith(p, "SYSLOG_FACILITY=") &&
+                                         p[16] >= '0' && p[16] <= '9')
+                                        priority = (priority & LOG_PRIMASK) | ((p[16] - '0') << 3);
+
+                                else if (l == 18 &&
+                                         startswith(p, "SYSLOG_FACILITY=") &&
+                                         p[16] >= '0' && p[16] <= '9' &&
+                                         p[17] >= '0' && p[17] <= '9')
+                                        priority = (priority & LOG_PRIMASK) | (((p[16] - '0')*10 + (p[17] - '0')) << 3);
+
+                                else if (l >= 19 &&
+                                         startswith(p, "SYSLOG_IDENTIFIER=")) {
+                                        char *t;
+
+                                        t = strndup(p + 18, l - 18);
+                                        if (t) {
+                                                free(identifier);
+                                                identifier = t;
+                                        }
+
+                                } else if (l >= 8 &&
+                                           startswith(p, "MESSAGE=")) {
+                                        char *t;
+
+                                        t = strndup(p + 8, l - 8);
+                                        if (t) {
+                                                free(message);
+                                                message = t;
+                                        }
+
+                                } else if (l > strlen("OBJECT_PID=") &&
+                                           l < strlen("OBJECT_PID=")  + DECIMAL_STR_MAX(pid_t) &&
+                                           startswith(p, "OBJECT_PID=") &&
+                                           allow_object_pid(ucred)) {
+                                        char buf[DECIMAL_STR_MAX(pid_t)];
+                                        memcpy(buf, p + strlen("OBJECT_PID="), l - strlen("OBJECT_PID="));
+                                        buf[l-strlen("OBJECT_PID=")] = '\0';
+
+                                        /* ignore error */
+                                        parse_pid(buf, &object_pid);
+                                }
+                        }
+
+                        remaining -= (e - p) + 1;
+                        p = e + 1;
+                        continue;
+                } else {
+                        le64_t l_le;
+                        uint64_t l;
+                        char *k;
+
+                        if (remaining < e - p + 1 + sizeof(uint64_t) + 1) {
+                                log_debug("Failed to parse message, ignoring.");
+                                break;
+                        }
+
+                        memcpy(&l_le, e + 1, sizeof(uint64_t));
+                        l = le64toh(l_le);
+
+                        if (l > DATA_SIZE_MAX) {
+                                log_debug("Received binary data block of %"PRIu64" bytes is too large, ignoring.", l);
+                                break;
+                        }
+
+                        if ((uint64_t) remaining < e - p + 1 + sizeof(uint64_t) + l + 1 ||
+                            e[1+sizeof(uint64_t)+l] != '\n') {
+                                log_debug("Failed to parse message, ignoring.");
+                                break;
+                        }
+
+                        k = malloc((e - p) + 1 + l);
+                        if (!k) {
+                                log_oom();
+                                break;
+                        }
+
+                        memcpy(k, p, e - p);
+                        k[e - p] = '=';
+                        memcpy(k + (e - p) + 1, e + 1 + sizeof(uint64_t), l);
+
+                        if (valid_user_field(p, e - p, false)) {
+                                iovec[n].iov_base = k;
+                                iovec[n].iov_len = (e - p) + 1 + l;
+                                entry_size += iovec[n].iov_len;
+                                n++;
+                        } else
+                                free(k);
+
+                        remaining -= (e - p) + 1 + sizeof(uint64_t) + l + 1;
+                        p = e + 1 + sizeof(uint64_t) + l + 1;
+                }
+        }
+
+        if (n <= 0)
+                goto finish;
+
+        tn = n++;
+        IOVEC_SET_STRING(iovec[tn], "_TRANSPORT=journal");
+        entry_size += strlen("_TRANSPORT=journal");
+
+        if (entry_size + n + 1 > ENTRY_SIZE_MAX) { /* data + separators + trailer */
+                log_debug("Entry is too big with %u properties and %zu bytes, ignoring.",
+                          n, entry_size);
+                goto finish;
+        }
+
+        if (message) {
+                if (s->forward_to_syslog)
+                        server_forward_syslog(s, priority, identifier, message, ucred, tv);
+
+                if (s->forward_to_kmsg)
+                        server_forward_kmsg(s, priority, identifier, message, ucred);
+
+                if (s->forward_to_console)
+                        server_forward_console(s, priority, identifier, message, ucred);
+
+                if (s->forward_to_wall)
+                        server_forward_wall(s, priority, identifier, message, ucred);
+        }
+
+        server_dispatch_message(s, iovec, n, m, ucred, tv, label, label_len, NULL, priority, object_pid);
+
+finish:
+        for (j = 0; j < n; j++)  {
+                if (j == tn)
+                        continue;
+
+                if (iovec[j].iov_base < buffer ||
+                    (const uint8_t*) iovec[j].iov_base >= (const uint8_t*) buffer + buffer_size)
+                        free(iovec[j].iov_base);
+        }
+
+        free(iovec);
+        free(identifier);
+        free(message);
+}
+
+void server_process_native_file(
+                Server *s,
+                int fd,
+                const struct ucred *ucred,
+                const struct timeval *tv,
+                const char *label, size_t label_len) {
+
+        struct stat st;
+        bool sealed;
+        int r;
+
+        /* Data is in the passed fd, since it didn't fit in a
+         * datagram. */
+
+        assert(s);
+        assert(fd >= 0);
+
+        /* If it's a memfd, check if it is sealed. If so, we can just
+         * use map it and use it, and do not need to copy the data
+         * out. */
+        sealed = memfd_get_sealed(fd) > 0;
+
+        if (!sealed && (!ucred || ucred->uid != 0)) {
+                _cleanup_free_ char *sl = NULL, *k = NULL;
+                const char *e;
+
+                /* If this is not a sealed memfd, and the peer is unknown or
+                 * unprivileged, then verify the path. */
+
+                if (asprintf(&sl, "/proc/self/fd/%i", fd) < 0) {
+                        log_oom();
+                        return;
+                }
+
+                r = readlink_malloc(sl, &k);
+                if (r < 0) {
+                        log_error_errno(r, "readlink(%s) failed: %m", sl);
+                        return;
+                }
+
+                e = path_startswith(k, "/dev/shm/");
+                if (!e)
+                        e = path_startswith(k, "/tmp/");
+                if (!e)
+                        e = path_startswith(k, "/var/tmp/");
+                if (!e) {
+                        log_error("Received file outside of allowed directories. Refusing.");
+                        return;
+                }
+
+                if (!filename_is_valid(e)) {
+                        log_error("Received file in subdirectory of allowed directories. Refusing.");
+                        return;
+                }
+        }
+
+        if (fstat(fd, &st) < 0) {
+                log_error_errno(errno, "Failed to stat passed file, ignoring: %m");
+                return;
+        }
+
+        if (!S_ISREG(st.st_mode)) {
+                log_error("File passed is not regular. Ignoring.");
+                return;
+        }
+
+        if (st.st_size <= 0)
+                return;
+
+        if (st.st_size > ENTRY_SIZE_MAX) {
+                log_error("File passed too large. Ignoring.");
+                return;
+        }
+
+        if (sealed) {
+                void *p;
+                size_t ps;
+
+                /* The file is sealed, we can just map it and use it. */
+
+                ps = PAGE_ALIGN(st.st_size);
+                p = mmap(NULL, ps, PROT_READ, MAP_PRIVATE, fd, 0);
+                if (p == MAP_FAILED) {
+                        log_error_errno(errno, "Failed to map memfd, ignoring: %m");
+                        return;
+                }
+
+                server_process_native_message(s, p, st.st_size, ucred, tv, label, label_len);
+                assert_se(munmap(p, ps) >= 0);
+        } else {
+                _cleanup_free_ void *p = NULL;
+                struct statvfs vfs;
+                ssize_t n;
+
+                if (fstatvfs(fd, &vfs) < 0) {
+                        log_error_errno(errno, "Failed to stat file system of passed file, ignoring: %m");
+                        return;
+                }
+
+                /* Refuse operating on file systems that have
+                 * mandatory locking enabled, see:
+                 *
+                 * https://github.com/systemd/systemd/issues/1822
+                 */
+                if (vfs.f_flag & ST_MANDLOCK) {
+                        log_error("Received file descriptor from file system with mandatory locking enable, refusing.");
+                        return;
+                }
+
+                /* Make the fd non-blocking. On regular files this has
+                 * the effect of bypassing mandatory locking. Of
+                 * course, this should normally not be necessary given
+                 * the check above, but let's better be safe than
+                 * sorry, after all NFS is pretty confusing regarding
+                 * file system flags, and we better don't trust it,
+                 * and so is SMB. */
+                r = fd_nonblock(fd, true);
+                if (r < 0) {
+                        log_error_errno(r, "Failed to make fd non-blocking, ignoring: %m");
+                        return;
+                }
+
+                /* The file is not sealed, we can't map the file here, since
+                 * clients might then truncate it and trigger a SIGBUS for
+                 * us. So let's stupidly read it */
+
+                p = malloc(st.st_size);
+                if (!p) {
+                        log_oom();
+                        return;
+                }
+
+                n = pread(fd, p, st.st_size, 0);
+                if (n < 0)
+                        log_error_errno(errno, "Failed to read file, ignoring: %m");
+                else if (n > 0)
+                        server_process_native_message(s, p, n, ucred, tv, label, label_len);
+        }
+}
+
+int server_open_native_socket(Server*s) {
+
+        static const union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+                .un.sun_path = "/run/systemd/journal/socket",
+        };
+        static const int one = 1;
+        int r;
+
+        assert(s);
+
+        if (s->native_fd < 0) {
+                s->native_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+                if (s->native_fd < 0)
+                        return log_error_errno(errno, "socket() failed: %m");
+
+                (void) unlink(sa.un.sun_path);
+
+                r = bind(s->native_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
+                if (r < 0)
+                        return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
+
+                (void) chmod(sa.un.sun_path, 0666);
+        } else
+                fd_nonblock(s->native_fd, 1);
+
+        r = setsockopt(s->native_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+        if (r < 0)
+                return log_error_errno(errno, "SO_PASSCRED failed: %m");
+
+#ifdef HAVE_SELINUX
+        if (mac_selinux_have()) {
+                r = setsockopt(s->native_fd, SOL_SOCKET, SO_PASSSEC, &one, sizeof(one));
+                if (r < 0)
+                        log_warning_errno(errno, "SO_PASSSEC failed: %m");
+        }
+#endif
+
+        r = setsockopt(s->native_fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one));
+        if (r < 0)
+                return log_error_errno(errno, "SO_TIMESTAMP failed: %m");
+
+        r = sd_event_add_io(s->event, &s->native_event_source, s->native_fd, EPOLLIN, server_process_datagram, s);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add native server fd to event loop: %m");
+
+        r = sd_event_source_set_priority(s->native_event_source, SD_EVENT_PRIORITY_NORMAL+5);
+        if (r < 0)
+                return log_error_errno(r, "Failed to adjust native event source priority: %m");
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/journald-native.h b/src/grp-journal/libjournal-core/journald-native.h
new file mode 100644
index 0000000000..c13b80aa4f
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-native.h
@@ -0,0 +1,35 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+
+/* Make sure not to make this smaller than the maximum coredump
+ * size. See COREDUMP_MAX in coredump.c */
+#define ENTRY_SIZE_MAX (1024*1024*770u)
+#define DATA_SIZE_MAX (1024*1024*768u)
+
+bool valid_user_field(const char *p, size_t l, bool allow_protected);
+
+void server_process_native_message(Server *s, const void *buffer, size_t buffer_size, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len);
+
+void server_process_native_file(Server *s, int fd, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len);
+
+int server_open_native_socket(Server*s);
diff --git a/src/grp-journal/libjournal-core/journald-rate-limit.c b/src/grp-journal/libjournal-core/journald-rate-limit.c
new file mode 100644
index 0000000000..fce799a6ce
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-rate-limit.c
@@ -0,0 +1,271 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <string.h>
+
+#include "alloc-util.h"
+#include "hashmap.h"
+#include "journald-rate-limit.h"
+#include "list.h"
+#include "random-util.h"
+#include "string-util.h"
+#include "util.h"
+
+#define POOLS_MAX 5
+#define BUCKETS_MAX 127
+#define GROUPS_MAX 2047
+
+static const int priority_map[] = {
+        [LOG_EMERG]   = 0,
+        [LOG_ALERT]   = 0,
+        [LOG_CRIT]    = 0,
+        [LOG_ERR]     = 1,
+        [LOG_WARNING] = 2,
+        [LOG_NOTICE]  = 3,
+        [LOG_INFO]    = 3,
+        [LOG_DEBUG]   = 4
+};
+
+typedef struct JournalRateLimitPool JournalRateLimitPool;
+typedef struct JournalRateLimitGroup JournalRateLimitGroup;
+
+struct JournalRateLimitPool {
+        usec_t begin;
+        unsigned num;
+        unsigned suppressed;
+};
+
+struct JournalRateLimitGroup {
+        JournalRateLimit *parent;
+
+        char *id;
+        JournalRateLimitPool pools[POOLS_MAX];
+        uint64_t hash;
+
+        LIST_FIELDS(JournalRateLimitGroup, bucket);
+        LIST_FIELDS(JournalRateLimitGroup, lru);
+};
+
+struct JournalRateLimit {
+        usec_t interval;
+        unsigned burst;
+
+        JournalRateLimitGroup* buckets[BUCKETS_MAX];
+        JournalRateLimitGroup *lru, *lru_tail;
+
+        unsigned n_groups;
+
+        uint8_t hash_key[16];
+};
+
+JournalRateLimit *journal_rate_limit_new(usec_t interval, unsigned burst) {
+        JournalRateLimit *r;
+
+        assert(interval > 0 || burst == 0);
+
+        r = new0(JournalRateLimit, 1);
+        if (!r)
+                return NULL;
+
+        r->interval = interval;
+        r->burst = burst;
+
+        random_bytes(r->hash_key, sizeof(r->hash_key));
+
+        return r;
+}
+
+static void journal_rate_limit_group_free(JournalRateLimitGroup *g) {
+        assert(g);
+
+        if (g->parent) {
+                assert(g->parent->n_groups > 0);
+
+                if (g->parent->lru_tail == g)
+                        g->parent->lru_tail = g->lru_prev;
+
+                LIST_REMOVE(lru, g->parent->lru, g);
+                LIST_REMOVE(bucket, g->parent->buckets[g->hash % BUCKETS_MAX], g);
+
+                g->parent->n_groups--;
+        }
+
+        free(g->id);
+        free(g);
+}
+
+void journal_rate_limit_free(JournalRateLimit *r) {
+        assert(r);
+
+        while (r->lru)
+                journal_rate_limit_group_free(r->lru);
+
+        free(r);
+}
+
+_pure_ static bool journal_rate_limit_group_expired(JournalRateLimitGroup *g, usec_t ts) {
+        unsigned i;
+
+        assert(g);
+
+        for (i = 0; i < POOLS_MAX; i++)
+                if (g->pools[i].begin + g->parent->interval >= ts)
+                        return false;
+
+        return true;
+}
+
+static void journal_rate_limit_vacuum(JournalRateLimit *r, usec_t ts) {
+        assert(r);
+
+        /* Makes room for at least one new item, but drop all
+         * expored items too. */
+
+        while (r->n_groups >= GROUPS_MAX ||
+               (r->lru_tail && journal_rate_limit_group_expired(r->lru_tail, ts)))
+                journal_rate_limit_group_free(r->lru_tail);
+}
+
+static JournalRateLimitGroup* journal_rate_limit_group_new(JournalRateLimit *r, const char *id, usec_t ts) {
+        JournalRateLimitGroup *g;
+        struct siphash state;
+
+        assert(r);
+        assert(id);
+
+        g = new0(JournalRateLimitGroup, 1);
+        if (!g)
+                return NULL;
+
+        g->id = strdup(id);
+        if (!g->id)
+                goto fail;
+
+        siphash24_init(&state, r->hash_key);
+        string_hash_func(g->id, &state);
+        g->hash = siphash24_finalize(&state);
+
+        journal_rate_limit_vacuum(r, ts);
+
+        LIST_PREPEND(bucket, r->buckets[g->hash % BUCKETS_MAX], g);
+        LIST_PREPEND(lru, r->lru, g);
+        if (!g->lru_next)
+                r->lru_tail = g;
+        r->n_groups++;
+
+        g->parent = r;
+        return g;
+
+fail:
+        journal_rate_limit_group_free(g);
+        return NULL;
+}
+
+static unsigned burst_modulate(unsigned burst, uint64_t available) {
+        unsigned k;
+
+        /* Modulates the burst rate a bit with the amount of available
+         * disk space */
+
+        k = u64log2(available);
+
+        /* 1MB */
+        if (k <= 20)
+                return burst;
+
+        burst = (burst * (k-20)) / 4;
+
+        /*
+         * Example:
+         *
+         *      <= 1MB = rate * 1
+         *        16MB = rate * 2
+         *       256MB = rate * 3
+         *         4GB = rate * 4
+         *        64GB = rate * 5
+         *         1TB = rate * 6
+         */
+
+        return burst;
+}
+
+int journal_rate_limit_test(JournalRateLimit *r, const char *id, int priority, uint64_t available) {
+        uint64_t h;
+        JournalRateLimitGroup *g;
+        JournalRateLimitPool *p;
+        struct siphash state;
+        unsigned burst;
+        usec_t ts;
+
+        assert(id);
+
+        if (!r)
+                return 1;
+
+        if (r->interval == 0 || r->burst == 0)
+                return 1;
+
+        burst = burst_modulate(r->burst, available);
+
+        ts = now(CLOCK_MONOTONIC);
+
+        siphash24_init(&state, r->hash_key);
+        string_hash_func(id, &state);
+        h = siphash24_finalize(&state);
+        g = r->buckets[h % BUCKETS_MAX];
+
+        LIST_FOREACH(bucket, g, g)
+                if (streq(g->id, id))
+                        break;
+
+        if (!g) {
+                g = journal_rate_limit_group_new(r, id, ts);
+                if (!g)
+                        return -ENOMEM;
+        }
+
+        p = &g->pools[priority_map[priority]];
+
+        if (p->begin <= 0) {
+                p->suppressed = 0;
+                p->num = 1;
+                p->begin = ts;
+                return 1;
+        }
+
+        if (p->begin + r->interval < ts) {
+                unsigned s;
+
+                s = p->suppressed;
+                p->suppressed = 0;
+                p->num = 1;
+                p->begin = ts;
+
+                return 1 + s;
+        }
+
+        if (p->num <= burst) {
+                p->num++;
+                return 1;
+        }
+
+        p->suppressed++;
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/journald-rate-limit.h b/src/grp-journal/libjournal-core/journald-rate-limit.h
new file mode 100644
index 0000000000..bb0abb7ee9
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-rate-limit.h
@@ -0,0 +1,28 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "util.h"
+
+typedef struct JournalRateLimit JournalRateLimit;
+
+JournalRateLimit *journal_rate_limit_new(usec_t interval, unsigned burst);
+void journal_rate_limit_free(JournalRateLimit *r);
+int journal_rate_limit_test(JournalRateLimit *r, const char *id, int priority, uint64_t available);
diff --git a/src/grp-journal/libjournal-core/journald-server.c b/src/grp-journal/libjournal-core/journald-server.c
new file mode 100644
index 0000000000..cc29443e66
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-server.c
@@ -0,0 +1,2007 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#include <sys/signalfd.h>
+#include <sys/statvfs.h>
+#include <linux/sockios.h>
+
+#include "libudev.h"
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-journal.h>
+#include <systemd/sd-messages.h>
+
+#include "acl-util.h"
+#include "alloc-util.h"
+#include "audit-util.h"
+#include "cgroup-util.h"
+#include "conf-parser.h"
+#include "dirent-util.h"
+#include "extract-word.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "formats-util.h"
+#include "fs-util.h"
+#include "hashmap.h"
+#include "hostname-util.h"
+#include "io-util.h"
+#include "journal-authenticate.h"
+#include "journal-file.h"
+#include "journal-internal.h"
+#include "journal-vacuum.h"
+#include "journald-audit.h"
+#include "journald-kmsg.h"
+#include "journald-native.h"
+#include "journald-rate-limit.h"
+#include "journald-server.h"
+#include "journald-stream.h"
+#include "journald-syslog.h"
+#include "missing.h"
+#include "mkdir.h"
+#include "parse-util.h"
+#include "proc-cmdline.h"
+#include "process-util.h"
+#include "rm-rf.h"
+#include "selinux-util.h"
+#include "signal-util.h"
+#include "socket-util.h"
+#include "stdio-util.h"
+#include "string-table.h"
+#include "string-util.h"
+#include "user-util.h"
+#include "log.h"
+
+#define USER_JOURNALS_MAX 1024
+
+#define DEFAULT_SYNC_INTERVAL_USEC (5*USEC_PER_MINUTE)
+#define DEFAULT_RATE_LIMIT_INTERVAL (30*USEC_PER_SEC)
+#define DEFAULT_RATE_LIMIT_BURST 1000
+#define DEFAULT_MAX_FILE_USEC USEC_PER_MONTH
+
+#define RECHECK_SPACE_USEC (30*USEC_PER_SEC)
+
+#define NOTIFY_SNDBUF_SIZE (8*1024*1024)
+
+/* The period to insert between posting changes for coalescing */
+#define POST_CHANGE_TIMER_INTERVAL_USEC (250*USEC_PER_MSEC)
+
+static int determine_space_for(
+                Server *s,
+                JournalMetrics *metrics,
+                const char *path,
+                const char *name,
+                bool verbose,
+                bool patch_min_use,
+                uint64_t *available,
+                uint64_t *limit) {
+
+        uint64_t sum = 0, ss_avail, avail;
+        _cleanup_closedir_ DIR *d = NULL;
+        struct dirent *de;
+        struct statvfs ss;
+        const char *p;
+        usec_t ts;
+
+        assert(s);
+        assert(metrics);
+        assert(path);
+        assert(name);
+
+        ts = now(CLOCK_MONOTONIC);
+
+        if (!verbose && s->cached_space_timestamp + RECHECK_SPACE_USEC > ts) {
+
+                if (available)
+                        *available = s->cached_space_available;
+                if (limit)
+                        *limit = s->cached_space_limit;
+
+                return 0;
+        }
+
+        p = strjoina(path, SERVER_MACHINE_ID(s));
+        d = opendir(p);
+        if (!d)
+                return log_full_errno(errno == ENOENT ? LOG_DEBUG : LOG_ERR, errno, "Failed to open %s: %m", p);
+
+        if (fstatvfs(dirfd(d), &ss) < 0)
+                return log_error_errno(errno, "Failed to fstatvfs(%s): %m", p);
+
+        FOREACH_DIRENT_ALL(de, d, break) {
+                struct stat st;
+
+                if (!endswith(de->d_name, ".journal") &&
+                    !endswith(de->d_name, ".journal~"))
+                        continue;
+
+                if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
+                        log_debug_errno(errno, "Failed to stat %s/%s, ignoring: %m", p, de->d_name);
+                        continue;
+                }
+
+                if (!S_ISREG(st.st_mode))
+                        continue;
+
+                sum += (uint64_t) st.st_blocks * 512UL;
+        }
+
+        /* If requested, then let's bump the min_use limit to the
+         * current usage on disk. We do this when starting up and
+         * first opening the journal files. This way sudden spikes in
+         * disk usage will not cause journald to vacuum files without
+         * bounds. Note that this means that only a restart of
+         * journald will make it reset this value. */
+
+        if (patch_min_use)
+                metrics->min_use = MAX(metrics->min_use, sum);
+
+        ss_avail = ss.f_bsize * ss.f_bavail;
+        avail = LESS_BY(ss_avail, metrics->keep_free);
+
+        s->cached_space_limit = MIN(MAX(sum + avail, metrics->min_use), metrics->max_use);
+        s->cached_space_available = LESS_BY(s->cached_space_limit, sum);
+        s->cached_space_timestamp = ts;
+
+        if (verbose) {
+                char    fb1[FORMAT_BYTES_MAX], fb2[FORMAT_BYTES_MAX], fb3[FORMAT_BYTES_MAX],
+                        fb4[FORMAT_BYTES_MAX], fb5[FORMAT_BYTES_MAX], fb6[FORMAT_BYTES_MAX];
+                format_bytes(fb1, sizeof(fb1), sum);
+                format_bytes(fb2, sizeof(fb2), metrics->max_use);
+                format_bytes(fb3, sizeof(fb3), metrics->keep_free);
+                format_bytes(fb4, sizeof(fb4), ss_avail);
+                format_bytes(fb5, sizeof(fb5), s->cached_space_limit);
+                format_bytes(fb6, sizeof(fb6), s->cached_space_available);
+
+                server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
+                                      LOG_MESSAGE("%s (%s) is %s, max %s, %s free.",
+                                                  name, path, fb1, fb5, fb6),
+                                      "JOURNAL_NAME=%s", name,
+                                      "JOURNAL_PATH=%s", path,
+                                      "CURRENT_USE=%"PRIu64, sum,
+                                      "CURRENT_USE_PRETTY=%s", fb1,
+                                      "MAX_USE=%"PRIu64, metrics->max_use,
+                                      "MAX_USE_PRETTY=%s", fb2,
+                                      "DISK_KEEP_FREE=%"PRIu64, metrics->keep_free,
+                                      "DISK_KEEP_FREE_PRETTY=%s", fb3,
+                                      "DISK_AVAILABLE=%"PRIu64, ss_avail,
+                                      "DISK_AVAILABLE_PRETTY=%s", fb4,
+                                      "LIMIT=%"PRIu64, s->cached_space_limit,
+                                      "LIMIT_PRETTY=%s", fb5,
+                                      "AVAILABLE=%"PRIu64, s->cached_space_available,
+                                      "AVAILABLE_PRETTY=%s", fb6,
+                                      NULL);
+        }
+
+        if (available)
+                *available = s->cached_space_available;
+        if (limit)
+                *limit = s->cached_space_limit;
+
+        return 1;
+}
+
+static int determine_space(Server *s, bool verbose, bool patch_min_use, uint64_t *available, uint64_t *limit) {
+        JournalMetrics *metrics;
+        const char *path, *name;
+
+        assert(s);
+
+        if (s->system_journal) {
+                path = "/var/log/journal/";
+                metrics = &s->system_metrics;
+                name = "System journal";
+        } else {
+                path = "/run/log/journal/";
+                metrics = &s->runtime_metrics;
+                name = "Runtime journal";
+        }
+
+        return determine_space_for(s, metrics, path, name, verbose, patch_min_use, available, limit);
+}
+
+static void server_add_acls(JournalFile *f, uid_t uid) {
+#ifdef HAVE_ACL
+        int r;
+#endif
+        assert(f);
+
+#ifdef HAVE_ACL
+        if (uid <= SYSTEM_UID_MAX)
+                return;
+
+        r = add_acls_for_user(f->fd, uid);
+        if (r < 0)
+                log_warning_errno(r, "Failed to set ACL on %s, ignoring: %m", f->path);
+#endif
+}
+
+static int open_journal(
+                Server *s,
+                bool reliably,
+                const char *fname,
+                int flags,
+                bool seal,
+                JournalMetrics *metrics,
+                JournalFile **ret) {
+        int r;
+        JournalFile *f;
+
+        assert(s);
+        assert(fname);
+        assert(ret);
+
+        if (reliably)
+                r = journal_file_open_reliably(fname, flags, 0640, s->compress, seal, metrics, s->mmap, s->deferred_closes, NULL, &f);
+        else
+                r = journal_file_open(-1, fname, flags, 0640, s->compress, seal, metrics, s->mmap, s->deferred_closes, NULL, &f);
+        if (r < 0)
+                return r;
+
+        r = journal_file_enable_post_change_timer(f, s->event, POST_CHANGE_TIMER_INTERVAL_USEC);
+        if (r < 0) {
+                (void) journal_file_close(f);
+                return r;
+        }
+
+        *ret = f;
+        return r;
+}
+
+static JournalFile* find_journal(Server *s, uid_t uid) {
+        _cleanup_free_ char *p = NULL;
+        int r;
+        JournalFile *f;
+        sd_id128_t machine;
+
+        assert(s);
+
+        /* We split up user logs only on /var, not on /run. If the
+         * runtime file is open, we write to it exclusively, in order
+         * to guarantee proper order as soon as we flush /run to
+         * /var and close the runtime file. */
+
+        if (s->runtime_journal)
+                return s->runtime_journal;
+
+        if (uid <= SYSTEM_UID_MAX)
+                return s->system_journal;
+
+        r = sd_id128_get_machine(&machine);
+        if (r < 0)
+                return s->system_journal;
+
+        f = ordered_hashmap_get(s->user_journals, UID_TO_PTR(uid));
+        if (f)
+                return f;
+
+        if (asprintf(&p, "/var/log/journal/" SD_ID128_FORMAT_STR "/user-"UID_FMT".journal",
+                     SD_ID128_FORMAT_VAL(machine), uid) < 0)
+                return s->system_journal;
+
+        while (ordered_hashmap_size(s->user_journals) >= USER_JOURNALS_MAX) {
+                /* Too many open? Then let's close one */
+                f = ordered_hashmap_steal_first(s->user_journals);
+                assert(f);
+                (void) journal_file_close(f);
+        }
+
+        r = open_journal(s, true, p, O_RDWR|O_CREAT, s->seal, &s->system_metrics, &f);
+        if (r < 0)
+                return s->system_journal;
+
+        server_add_acls(f, uid);
+
+        r = ordered_hashmap_put(s->user_journals, UID_TO_PTR(uid), f);
+        if (r < 0) {
+                (void) journal_file_close(f);
+                return s->system_journal;
+        }
+
+        return f;
+}
+
+static int do_rotate(
+                Server *s,
+                JournalFile **f,
+                const char* name,
+                bool seal,
+                uint32_t uid) {
+
+        int r;
+        assert(s);
+
+        if (!*f)
+                return -EINVAL;
+
+        r = journal_file_rotate(f, s->compress, seal, s->deferred_closes);
+        if (r < 0)
+                if (*f)
+                        log_error_errno(r, "Failed to rotate %s: %m", (*f)->path);
+                else
+                        log_error_errno(r, "Failed to create new %s journal: %m", name);
+        else
+                server_add_acls(*f, uid);
+
+        return r;
+}
+
+void server_rotate(Server *s) {
+        JournalFile *f;
+        void *k;
+        Iterator i;
+        int r;
+
+        log_debug("Rotating...");
+
+        (void) do_rotate(s, &s->runtime_journal, "runtime", false, 0);
+        (void) do_rotate(s, &s->system_journal, "system", s->seal, 0);
+
+        ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
+                r = do_rotate(s, &f, "user", s->seal, PTR_TO_UID(k));
+                if (r >= 0)
+                        ordered_hashmap_replace(s->user_journals, k, f);
+                else if (!f)
+                        /* Old file has been closed and deallocated */
+                        ordered_hashmap_remove(s->user_journals, k);
+        }
+
+        /* Perform any deferred closes which aren't still offlining. */
+        SET_FOREACH(f, s->deferred_closes, i)
+                if (!journal_file_is_offlining(f)) {
+                        (void) set_remove(s->deferred_closes, f);
+                        (void) journal_file_close(f);
+                }
+}
+
+void server_sync(Server *s) {
+        JournalFile *f;
+        Iterator i;
+        int r;
+
+        if (s->system_journal) {
+                r = journal_file_set_offline(s->system_journal, false);
+                if (r < 0)
+                        log_warning_errno(r, "Failed to sync system journal, ignoring: %m");
+        }
+
+        ORDERED_HASHMAP_FOREACH(f, s->user_journals, i) {
+                r = journal_file_set_offline(f, false);
+                if (r < 0)
+                        log_warning_errno(r, "Failed to sync user journal, ignoring: %m");
+        }
+
+        if (s->sync_event_source) {
+                r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_OFF);
+                if (r < 0)
+                        log_error_errno(r, "Failed to disable sync timer source: %m");
+        }
+
+        s->sync_scheduled = false;
+}
+
+static void do_vacuum(
+                Server *s,
+                JournalFile *f,
+                JournalMetrics *metrics,
+                const char *path,
+                const char *name,
+                bool verbose,
+                bool patch_min_use) {
+
+        const char *p;
+        uint64_t limit;
+        int r;
+
+        assert(s);
+        assert(metrics);
+        assert(path);
+        assert(name);
+
+        if (!f)
+                return;
+
+        p = strjoina(path, SERVER_MACHINE_ID(s));
+
+        limit = metrics->max_use;
+        (void) determine_space_for(s, metrics, path, name, verbose, patch_min_use, NULL, &limit);
+
+        r = journal_directory_vacuum(p, limit, metrics->n_max_files, s->max_retention_usec, &s->oldest_file_usec,  verbose);
+        if (r < 0 && r != -ENOENT)
+                log_warning_errno(r, "Failed to vacuum %s, ignoring: %m", p);
+}
+
+int server_vacuum(Server *s, bool verbose, bool patch_min_use) {
+        assert(s);
+
+        log_debug("Vacuuming...");
+
+        s->oldest_file_usec = 0;
+
+        do_vacuum(s, s->system_journal, &s->system_metrics, "/var/log/journal/", "System journal", verbose, patch_min_use);
+        do_vacuum(s, s->runtime_journal, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", verbose, patch_min_use);
+
+        s->cached_space_limit = 0;
+        s->cached_space_available = 0;
+        s->cached_space_timestamp = 0;
+
+        return 0;
+}
+
+static void server_cache_machine_id(Server *s) {
+        sd_id128_t id;
+        int r;
+
+        assert(s);
+
+        r = sd_id128_get_machine(&id);
+        if (r < 0)
+                return;
+
+        sd_id128_to_string(id, stpcpy(s->machine_id_field, "_MACHINE_ID="));
+}
+
+static void server_cache_boot_id(Server *s) {
+        sd_id128_t id;
+        int r;
+
+        assert(s);
+
+        r = sd_id128_get_boot(&id);
+        if (r < 0)
+                return;
+
+        sd_id128_to_string(id, stpcpy(s->boot_id_field, "_BOOT_ID="));
+}
+
+static void server_cache_hostname(Server *s) {
+        _cleanup_free_ char *t = NULL;
+        char *x;
+
+        assert(s);
+
+        t = gethostname_malloc();
+        if (!t)
+                return;
+
+        x = strappend("_HOSTNAME=", t);
+        if (!x)
+                return;
+
+        free(s->hostname_field);
+        s->hostname_field = x;
+}
+
+static bool shall_try_append_again(JournalFile *f, int r) {
+        switch(r) {
+        case -E2BIG:           /* Hit configured limit          */
+        case -EFBIG:           /* Hit fs limit                  */
+        case -EDQUOT:          /* Quota limit hit               */
+        case -ENOSPC:          /* Disk full                     */
+                log_debug("%s: Allocation limit reached, rotating.", f->path);
+                return true;
+        case -EIO:             /* I/O error of some kind (mmap) */
+                log_warning("%s: IO error, rotating.", f->path);
+                return true;
+        case -EHOSTDOWN:       /* Other machine                 */
+                log_info("%s: Journal file from other machine, rotating.", f->path);
+                return true;
+        case -EBUSY:           /* Unclean shutdown              */
+                log_info("%s: Unclean shutdown, rotating.", f->path);
+                return true;
+        case -EPROTONOSUPPORT: /* Unsupported feature           */
+                log_info("%s: Unsupported feature, rotating.", f->path);
+                return true;
+        case -EBADMSG:         /* Corrupted                     */
+        case -ENODATA:         /* Truncated                     */
+        case -ESHUTDOWN:       /* Already archived              */
+                log_warning("%s: Journal file corrupted, rotating.", f->path);
+                return true;
+        case -EIDRM:           /* Journal file has been deleted */
+                log_warning("%s: Journal file has been deleted, rotating.", f->path);
+                return true;
+        default:
+                return false;
+        }
+}
+
+static void write_to_journal(Server *s, uid_t uid, struct iovec *iovec, unsigned n, int priority) {
+        JournalFile *f;
+        bool vacuumed = false;
+        int r;
+
+        assert(s);
+        assert(iovec);
+        assert(n > 0);
+
+        f = find_journal(s, uid);
+        if (!f)
+                return;
+
+        if (journal_file_rotate_suggested(f, s->max_file_usec)) {
+                log_debug("%s: Journal header limits reached or header out-of-date, rotating.", f->path);
+                server_rotate(s);
+                server_vacuum(s, false, false);
+                vacuumed = true;
+
+                f = find_journal(s, uid);
+                if (!f)
+                        return;
+        }
+
+        r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
+        if (r >= 0) {
+                server_schedule_sync(s, priority);
+                return;
+        }
+
+        if (vacuumed || !shall_try_append_again(f, r)) {
+                log_error_errno(r, "Failed to write entry (%d items, %zu bytes), ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
+                return;
+        }
+
+        server_rotate(s);
+        server_vacuum(s, false, false);
+
+        f = find_journal(s, uid);
+        if (!f)
+                return;
+
+        log_debug("Retrying write.");
+        r = journal_file_append_entry(f, NULL, iovec, n, &s->seqnum, NULL, NULL);
+        if (r < 0)
+                log_error_errno(r, "Failed to write entry (%d items, %zu bytes) despite vacuuming, ignoring: %m", n, IOVEC_TOTAL_SIZE(iovec, n));
+        else
+                server_schedule_sync(s, priority);
+}
+
+static void dispatch_message_real(
+                Server *s,
+                struct iovec *iovec, unsigned n, unsigned m,
+                const struct ucred *ucred,
+                const struct timeval *tv,
+                const char *label, size_t label_len,
+                const char *unit_id,
+                int priority,
+                pid_t object_pid) {
+
+        char    pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)],
+                uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)],
+                gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)],
+                owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)],
+                source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)],
+                o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)],
+                o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)],
+                o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)];
+        uid_t object_uid;
+        gid_t object_gid;
+        char *x;
+        int r;
+        char *t, *c;
+        uid_t realuid = 0, owner = 0, journal_uid;
+        bool owner_valid = false;
+#ifdef HAVE_AUDIT
+        char    audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
+                audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)],
+                o_audit_session[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)],
+                o_audit_loginuid[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)];
+
+        uint32_t audit;
+        uid_t loginuid;
+#endif
+
+        assert(s);
+        assert(iovec);
+        assert(n > 0);
+        assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m);
+
+        if (ucred) {
+                realuid = ucred->uid;
+
+                sprintf(pid, "_PID="PID_FMT, ucred->pid);
+                IOVEC_SET_STRING(iovec[n++], pid);
+
+                sprintf(uid, "_UID="UID_FMT, ucred->uid);
+                IOVEC_SET_STRING(iovec[n++], uid);
+
+                sprintf(gid, "_GID="GID_FMT, ucred->gid);
+                IOVEC_SET_STRING(iovec[n++], gid);
+
+                r = get_process_comm(ucred->pid, &t);
+                if (r >= 0) {
+                        x = strjoina("_COMM=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+                r = get_process_exe(ucred->pid, &t);
+                if (r >= 0) {
+                        x = strjoina("_EXE=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+                r = get_process_cmdline(ucred->pid, 0, false, &t);
+                if (r >= 0) {
+                        x = strjoina("_CMDLINE=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+                r = get_process_capeff(ucred->pid, &t);
+                if (r >= 0) {
+                        x = strjoina("_CAP_EFFECTIVE=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+#ifdef HAVE_AUDIT
+                r = audit_session_from_pid(ucred->pid, &audit);
+                if (r >= 0) {
+                        sprintf(audit_session, "_AUDIT_SESSION=%"PRIu32, audit);
+                        IOVEC_SET_STRING(iovec[n++], audit_session);
+                }
+
+                r = audit_loginuid_from_pid(ucred->pid, &loginuid);
+                if (r >= 0) {
+                        sprintf(audit_loginuid, "_AUDIT_LOGINUID="UID_FMT, loginuid);
+                        IOVEC_SET_STRING(iovec[n++], audit_loginuid);
+                }
+#endif
+
+                r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &c);
+                if (r >= 0) {
+                        char *session = NULL;
+
+                        x = strjoina("_SYSTEMD_CGROUP=", c);
+                        IOVEC_SET_STRING(iovec[n++], x);
+
+                        r = cg_path_get_session(c, &t);
+                        if (r >= 0) {
+                                session = strjoina("_SYSTEMD_SESSION=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], session);
+                        }
+
+                        if (cg_path_get_owner_uid(c, &owner) >= 0) {
+                                owner_valid = true;
+
+                                sprintf(owner_uid, "_SYSTEMD_OWNER_UID="UID_FMT, owner);
+                                IOVEC_SET_STRING(iovec[n++], owner_uid);
+                        }
+
+                        if (cg_path_get_unit(c, &t) >= 0) {
+                                x = strjoina("_SYSTEMD_UNIT=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        } else if (unit_id && !session) {
+                                x = strjoina("_SYSTEMD_UNIT=", unit_id);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        if (cg_path_get_user_unit(c, &t) >= 0) {
+                                x = strjoina("_SYSTEMD_USER_UNIT=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        } else if (unit_id && session) {
+                                x = strjoina("_SYSTEMD_USER_UNIT=", unit_id);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        if (cg_path_get_slice(c, &t) >= 0) {
+                                x = strjoina("_SYSTEMD_SLICE=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        free(c);
+                } else if (unit_id) {
+                        x = strjoina("_SYSTEMD_UNIT=", unit_id);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+#ifdef HAVE_SELINUX
+                if (mac_selinux_have()) {
+                        if (label) {
+                                x = alloca(strlen("_SELINUX_CONTEXT=") + label_len + 1);
+
+                                *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0;
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        } else {
+                                security_context_t con;
+
+                                if (getpidcon(ucred->pid, &con) >= 0) {
+                                        x = strjoina("_SELINUX_CONTEXT=", con);
+
+                                        freecon(con);
+                                        IOVEC_SET_STRING(iovec[n++], x);
+                                }
+                        }
+                }
+#endif
+        }
+        assert(n <= m);
+
+        if (object_pid) {
+                r = get_process_uid(object_pid, &object_uid);
+                if (r >= 0) {
+                        sprintf(o_uid, "OBJECT_UID="UID_FMT, object_uid);
+                        IOVEC_SET_STRING(iovec[n++], o_uid);
+                }
+
+                r = get_process_gid(object_pid, &object_gid);
+                if (r >= 0) {
+                        sprintf(o_gid, "OBJECT_GID="GID_FMT, object_gid);
+                        IOVEC_SET_STRING(iovec[n++], o_gid);
+                }
+
+                r = get_process_comm(object_pid, &t);
+                if (r >= 0) {
+                        x = strjoina("OBJECT_COMM=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+                r = get_process_exe(object_pid, &t);
+                if (r >= 0) {
+                        x = strjoina("OBJECT_EXE=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+                r = get_process_cmdline(object_pid, 0, false, &t);
+                if (r >= 0) {
+                        x = strjoina("OBJECT_CMDLINE=", t);
+                        free(t);
+                        IOVEC_SET_STRING(iovec[n++], x);
+                }
+
+#ifdef HAVE_AUDIT
+                r = audit_session_from_pid(object_pid, &audit);
+                if (r >= 0) {
+                        sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%"PRIu32, audit);
+                        IOVEC_SET_STRING(iovec[n++], o_audit_session);
+                }
+
+                r = audit_loginuid_from_pid(object_pid, &loginuid);
+                if (r >= 0) {
+                        sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID="UID_FMT, loginuid);
+                        IOVEC_SET_STRING(iovec[n++], o_audit_loginuid);
+                }
+#endif
+
+                r = cg_pid_get_path_shifted(object_pid, s->cgroup_root, &c);
+                if (r >= 0) {
+                        x = strjoina("OBJECT_SYSTEMD_CGROUP=", c);
+                        IOVEC_SET_STRING(iovec[n++], x);
+
+                        r = cg_path_get_session(c, &t);
+                        if (r >= 0) {
+                                x = strjoina("OBJECT_SYSTEMD_SESSION=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        if (cg_path_get_owner_uid(c, &owner) >= 0) {
+                                sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID="UID_FMT, owner);
+                                IOVEC_SET_STRING(iovec[n++], o_owner_uid);
+                        }
+
+                        if (cg_path_get_unit(c, &t) >= 0) {
+                                x = strjoina("OBJECT_SYSTEMD_UNIT=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        if (cg_path_get_user_unit(c, &t) >= 0) {
+                                x = strjoina("OBJECT_SYSTEMD_USER_UNIT=", t);
+                                free(t);
+                                IOVEC_SET_STRING(iovec[n++], x);
+                        }
+
+                        free(c);
+                }
+        }
+        assert(n <= m);
+
+        if (tv) {
+                sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv));
+                IOVEC_SET_STRING(iovec[n++], source_time);
+        }
+
+        /* Note that strictly speaking storing the boot id here is
+         * redundant since the entry includes this in-line
+         * anyway. However, we need this indexed, too. */
+        if (!isempty(s->boot_id_field))
+                IOVEC_SET_STRING(iovec[n++], s->boot_id_field);
+
+        if (!isempty(s->machine_id_field))
+                IOVEC_SET_STRING(iovec[n++], s->machine_id_field);
+
+        if (!isempty(s->hostname_field))
+                IOVEC_SET_STRING(iovec[n++], s->hostname_field);
+
+        assert(n <= m);
+
+        if (s->split_mode == SPLIT_UID && realuid > 0)
+                /* Split up strictly by any UID */
+                journal_uid = realuid;
+        else if (s->split_mode == SPLIT_LOGIN && realuid > 0 && owner_valid && owner > 0)
+                /* Split up by login UIDs.  We do this only if the
+                 * realuid is not root, in order not to accidentally
+                 * leak privileged information to the user that is
+                 * logged by a privileged process that is part of an
+                 * unprivileged session. */
+                journal_uid = owner;
+        else
+                journal_uid = 0;
+
+        write_to_journal(s, journal_uid, iovec, n, priority);
+}
+
+void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) {
+        char mid[11 + 32 + 1];
+        struct iovec iovec[N_IOVEC_META_FIELDS + 5 + N_IOVEC_PAYLOAD_FIELDS];
+        unsigned n = 0, m;
+        int r;
+        va_list ap;
+        struct ucred ucred = {};
+
+        assert(s);
+        assert(format);
+
+        assert_cc(3 == LOG_FAC(LOG_DAEMON));
+        IOVEC_SET_STRING(iovec[n++], "SYSLOG_FACILITY=3");
+        IOVEC_SET_STRING(iovec[n++], "SYSLOG_IDENTIFIER=systemd-journald");
+
+        IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");
+        assert_cc(6 == LOG_INFO);
+        IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");
+
+        if (!sd_id128_equal(message_id, SD_ID128_NULL)) {
+                snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));
+                IOVEC_SET_STRING(iovec[n++], mid);
+        }
+
+        m = n;
+
+        va_start(ap, format);
+        r = log_format_iovec(iovec, ELEMENTSOF(iovec), &n, false, 0, format, ap);
+        /* Error handling below */
+        va_end(ap);
+
+        ucred.pid = getpid();
+        ucred.uid = getuid();
+        ucred.gid = getgid();
+
+        if (r >= 0)
+                dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
+
+        while (m < n)
+                free(iovec[m++].iov_base);
+
+        if (r < 0) {
+                /* We failed to format the message. Emit a warning instead. */
+                char buf[LINE_MAX];
+
+                xsprintf(buf, "MESSAGE=Entry printing failed: %s", strerror(-r));
+
+                n = 3;
+                IOVEC_SET_STRING(iovec[n++], "PRIORITY=4");
+                IOVEC_SET_STRING(iovec[n++], buf);
+                dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, LOG_INFO, 0);
+        }
+}
+
+void server_dispatch_message(
+                Server *s,
+                struct iovec *iovec, unsigned n, unsigned m,
+                const struct ucred *ucred,
+                const struct timeval *tv,
+                const char *label, size_t label_len,
+                const char *unit_id,
+                int priority,
+                pid_t object_pid) {
+
+        int rl, r;
+        _cleanup_free_ char *path = NULL;
+        uint64_t available = 0;
+        char *c;
+
+        assert(s);
+        assert(iovec || n == 0);
+
+        if (n == 0)
+                return;
+
+        if (LOG_PRI(priority) > s->max_level_store)
+                return;
+
+        /* Stop early in case the information will not be stored
+         * in a journal. */
+        if (s->storage == STORAGE_NONE)
+                return;
+
+        if (!ucred)
+                goto finish;
+
+        r = cg_pid_get_path_shifted(ucred->pid, s->cgroup_root, &path);
+        if (r < 0)
+                goto finish;
+
+        /* example: /user/lennart/3/foobar
+         *          /system/dbus.service/foobar
+         *
+         * So let's cut of everything past the third /, since that is
+         * where user directories start */
+
+        c = strchr(path, '/');
+        if (c) {
+                c = strchr(c+1, '/');
+                if (c) {
+                        c = strchr(c+1, '/');
+                        if (c)
+                                *c = 0;
+                }
+        }
+
+        (void) determine_space(s, false, false, &available, NULL);
+        rl = journal_rate_limit_test(s->rate_limit, path, priority & LOG_PRIMASK, available);
+        if (rl == 0)
+                return;
+
+        /* Write a suppression message if we suppressed something */
+        if (rl > 1)
+                server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
+                                      LOG_MESSAGE("Suppressed %u messages from %s", rl - 1, path),
+                                      NULL);
+
+finish:
+        dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, priority, object_pid);
+}
+
+
+static int system_journal_open(Server *s, bool flush_requested) {
+        const char *fn;
+        int r = 0;
+
+        if (!s->system_journal &&
+            (s->storage == STORAGE_PERSISTENT || s->storage == STORAGE_AUTO) &&
+            (flush_requested
+             || access("/run/systemd/journal/flushed", F_OK) >= 0)) {
+
+                /* If in auto mode: first try to create the machine
+                 * path, but not the prefix.
+                 *
+                 * If in persistent mode: create /var/log/journal and
+                 * the machine path */
+
+                if (s->storage == STORAGE_PERSISTENT)
+                        (void) mkdir_p("/var/log/journal/", 0755);
+
+                fn = strjoina("/var/log/journal/", SERVER_MACHINE_ID(s));
+                (void) mkdir(fn, 0755);
+
+                fn = strjoina(fn, "/system.journal");
+                r = open_journal(s, true, fn, O_RDWR|O_CREAT, s->seal, &s->system_metrics, &s->system_journal);
+                if (r >= 0) {
+                        server_add_acls(s->system_journal, 0);
+                        (void) determine_space_for(s, &s->system_metrics, "/var/log/journal/", "System journal", true, true, NULL, NULL);
+                } else if (r < 0) {
+                        if (r != -ENOENT && r != -EROFS)
+                                log_warning_errno(r, "Failed to open system journal: %m");
+
+                        r = 0;
+                }
+        }
+
+        if (!s->runtime_journal &&
+            (s->storage != STORAGE_NONE)) {
+
+                fn = strjoina("/run/log/journal/", SERVER_MACHINE_ID(s), "/system.journal");
+
+                if (s->system_journal) {
+
+                        /* Try to open the runtime journal, but only
+                         * if it already exists, so that we can flush
+                         * it into the system journal */
+
+                        r = open_journal(s, false, fn, O_RDWR, false, &s->runtime_metrics, &s->runtime_journal);
+                        if (r < 0) {
+                                if (r != -ENOENT)
+                                        log_warning_errno(r, "Failed to open runtime journal: %m");
+
+                                r = 0;
+                        }
+
+                } else {
+
+                        /* OK, we really need the runtime journal, so create
+                         * it if necessary. */
+
+                        (void) mkdir("/run/log", 0755);
+                        (void) mkdir("/run/log/journal", 0755);
+                        (void) mkdir_parents(fn, 0750);
+
+                        r = open_journal(s, true, fn, O_RDWR|O_CREAT, false, &s->runtime_metrics, &s->runtime_journal);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to open runtime journal: %m");
+                }
+
+                if (s->runtime_journal) {
+                        server_add_acls(s->runtime_journal, 0);
+                        (void) determine_space_for(s, &s->runtime_metrics, "/run/log/journal/", "Runtime journal", true, true, NULL, NULL);
+                }
+        }
+
+        return r;
+}
+
+int server_flush_to_var(Server *s) {
+        sd_id128_t machine;
+        sd_journal *j = NULL;
+        char ts[FORMAT_TIMESPAN_MAX];
+        usec_t start;
+        unsigned n = 0;
+        int r;
+
+        assert(s);
+
+        if (s->storage != STORAGE_AUTO &&
+            s->storage != STORAGE_PERSISTENT)
+                return 0;
+
+        if (!s->runtime_journal)
+                return 0;
+
+        (void) system_journal_open(s, true);
+
+        if (!s->system_journal)
+                return 0;
+
+        log_debug("Flushing to /var...");
+
+        start = now(CLOCK_MONOTONIC);
+
+        r = sd_id128_get_machine(&machine);
+        if (r < 0)
+                return r;
+
+        r = sd_journal_open(&j, SD_JOURNAL_RUNTIME_ONLY);
+        if (r < 0)
+                return log_error_errno(r, "Failed to read runtime journal: %m");
+
+        sd_journal_set_data_threshold(j, 0);
+
+        SD_JOURNAL_FOREACH(j) {
+                Object *o = NULL;
+                JournalFile *f;
+
+                f = j->current_file;
+                assert(f && f->current_offset > 0);
+
+                n++;
+
+                r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
+                if (r < 0) {
+                        log_error_errno(r, "Can't read entry: %m");
+                        goto finish;
+                }
+
+                r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);
+                if (r >= 0)
+                        continue;
+
+                if (!shall_try_append_again(s->system_journal, r)) {
+                        log_error_errno(r, "Can't write entry: %m");
+                        goto finish;
+                }
+
+                server_rotate(s);
+                server_vacuum(s, false, false);
+
+                if (!s->system_journal) {
+                        log_notice("Didn't flush runtime journal since rotation of system journal wasn't successful.");
+                        r = -EIO;
+                        goto finish;
+                }
+
+                log_debug("Retrying write.");
+                r = journal_file_copy_entry(f, s->system_journal, o, f->current_offset, NULL, NULL, NULL);
+                if (r < 0) {
+                        log_error_errno(r, "Can't write entry: %m");
+                        goto finish;
+                }
+        }
+
+        r = 0;
+
+finish:
+        journal_file_post_change(s->system_journal);
+
+        s->runtime_journal = journal_file_close(s->runtime_journal);
+
+        if (r >= 0)
+                (void) rm_rf("/run/log/journal", REMOVE_ROOT);
+
+        sd_journal_close(j);
+
+        server_driver_message(s, SD_ID128_NULL,
+                              LOG_MESSAGE("Time spent on flushing to /var is %s for %u entries.",
+                                          format_timespan(ts, sizeof(ts), now(CLOCK_MONOTONIC) - start, 0),
+                                          n),
+                              NULL);
+
+        return r;
+}
+
+int server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+        Server *s = userdata;
+        struct ucred *ucred = NULL;
+        struct timeval *tv = NULL;
+        struct cmsghdr *cmsg;
+        char *label = NULL;
+        size_t label_len = 0, m;
+        struct iovec iovec;
+        ssize_t n;
+        int *fds = NULL, v = 0;
+        unsigned n_fds = 0;
+
+        union {
+                struct cmsghdr cmsghdr;
+
+                /* We use NAME_MAX space for the SELinux label
+                 * here. The kernel currently enforces no
+                 * limit, but according to suggestions from
+                 * the SELinux people this will change and it
+                 * will probably be identical to NAME_MAX. For
+                 * now we use that, but this should be updated
+                 * one day when the final limit is known. */
+                uint8_t buf[CMSG_SPACE(sizeof(struct ucred)) +
+                            CMSG_SPACE(sizeof(struct timeval)) +
+                            CMSG_SPACE(sizeof(int)) + /* fd */
+                            CMSG_SPACE(NAME_MAX)]; /* selinux label */
+        } control = {};
+
+        union sockaddr_union sa = {};
+
+        struct msghdr msghdr = {
+                .msg_iov = &iovec,
+                .msg_iovlen = 1,
+                .msg_control = &control,
+                .msg_controllen = sizeof(control),
+                .msg_name = &sa,
+                .msg_namelen = sizeof(sa),
+        };
+
+        assert(s);
+        assert(fd == s->native_fd || fd == s->syslog_fd || fd == s->audit_fd);
+
+        if (revents != EPOLLIN) {
+                log_error("Got invalid event from epoll for datagram fd: %"PRIx32, revents);
+                return -EIO;
+        }
+
+        /* Try to get the right size, if we can. (Not all
+         * sockets support SIOCINQ, hence we just try, but
+         * don't rely on it. */
+        (void) ioctl(fd, SIOCINQ, &v);
+
+        /* Fix it up, if it is too small. We use the same fixed value as auditd here. Awful! */
+        m = PAGE_ALIGN(MAX3((size_t) v + 1,
+                            (size_t) LINE_MAX,
+                            ALIGN(sizeof(struct nlmsghdr)) + ALIGN((size_t) MAX_AUDIT_MESSAGE_LENGTH)) + 1);
+
+        if (!GREEDY_REALLOC(s->buffer, s->buffer_size, m))
+                return log_oom();
+
+        iovec.iov_base = s->buffer;
+        iovec.iov_len = s->buffer_size - 1; /* Leave room for trailing NUL we add later */
+
+        n = recvmsg(fd, &msghdr, MSG_DONTWAIT|MSG_CMSG_CLOEXEC);
+        if (n < 0) {
+                if (errno == EINTR || errno == EAGAIN)
+                        return 0;
+
+                return log_error_errno(errno, "recvmsg() failed: %m");
+        }
+
+        CMSG_FOREACH(cmsg, &msghdr) {
+
+                if (cmsg->cmsg_level == SOL_SOCKET &&
+                    cmsg->cmsg_type == SCM_CREDENTIALS &&
+                    cmsg->cmsg_len == CMSG_LEN(sizeof(struct ucred)))
+                        ucred = (struct ucred*) CMSG_DATA(cmsg);
+                else if (cmsg->cmsg_level == SOL_SOCKET &&
+                         cmsg->cmsg_type == SCM_SECURITY) {
+                        label = (char*) CMSG_DATA(cmsg);
+                        label_len = cmsg->cmsg_len - CMSG_LEN(0);
+                } else if (cmsg->cmsg_level == SOL_SOCKET &&
+                           cmsg->cmsg_type == SO_TIMESTAMP &&
+                           cmsg->cmsg_len == CMSG_LEN(sizeof(struct timeval)))
+                        tv = (struct timeval*) CMSG_DATA(cmsg);
+                else if (cmsg->cmsg_level == SOL_SOCKET &&
+                         cmsg->cmsg_type == SCM_RIGHTS) {
+                        fds = (int*) CMSG_DATA(cmsg);
+                        n_fds = (cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int);
+                }
+        }
+
+        /* And a trailing NUL, just in case */
+        s->buffer[n] = 0;
+
+        if (fd == s->syslog_fd) {
+                if (n > 0 && n_fds == 0)
+                        server_process_syslog_message(s, strstrip(s->buffer), ucred, tv, label, label_len);
+                else if (n_fds > 0)
+                        log_warning("Got file descriptors via syslog socket. Ignoring.");
+
+        } else if (fd == s->native_fd) {
+                if (n > 0 && n_fds == 0)
+                        server_process_native_message(s, s->buffer, n, ucred, tv, label, label_len);
+                else if (n == 0 && n_fds == 1)
+                        server_process_native_file(s, fds[0], ucred, tv, label, label_len);
+                else if (n_fds > 0)
+                        log_warning("Got too many file descriptors via native socket. Ignoring.");
+
+        } else {
+                assert(fd == s->audit_fd);
+
+                if (n > 0 && n_fds == 0)
+                        server_process_audit_message(s, s->buffer, n, ucred, &sa, msghdr.msg_namelen);
+                else if (n_fds > 0)
+                        log_warning("Got file descriptors via audit socket. Ignoring.");
+        }
+
+        close_many(fds, n_fds);
+        return 0;
+}
+
+static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+
+        log_info("Received request to flush runtime journal from PID " PID_FMT, si->ssi_pid);
+
+        server_flush_to_var(s);
+        server_sync(s);
+        server_vacuum(s, false, false);
+
+        r = touch("/run/systemd/journal/flushed");
+        if (r < 0)
+                log_warning_errno(r, "Failed to touch /run/systemd/journal/flushed, ignoring: %m");
+
+        return 0;
+}
+
+static int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+
+        log_info("Received request to rotate journal from PID " PID_FMT, si->ssi_pid);
+        server_rotate(s);
+        server_vacuum(s, true, true);
+
+        /* Let clients know when the most recent rotation happened. */
+        r = write_timestamp_file_atomic("/run/systemd/journal/rotated", now(CLOCK_MONOTONIC));
+        if (r < 0)
+                log_warning_errno(r, "Failed to write /run/systemd/journal/rotated, ignoring: %m");
+
+        return 0;
+}
+
+static int dispatch_sigterm(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
+        Server *s = userdata;
+
+        assert(s);
+
+        log_received_signal(LOG_INFO, si);
+
+        sd_event_exit(s->event, 0);
+        return 0;
+}
+
+static int dispatch_sigrtmin1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+
+        log_debug("Received request to sync from PID " PID_FMT, si->ssi_pid);
+
+        server_sync(s);
+
+        /* Let clients know when the most recent sync happened. */
+        r = write_timestamp_file_atomic("/run/systemd/journal/synced", now(CLOCK_MONOTONIC));
+        if (r < 0)
+                log_warning_errno(r, "Failed to write /run/systemd/journal/synced, ignoring: %m");
+
+        return 0;
+}
+
+static int setup_signals(Server *s) {
+        int r;
+
+        assert(s);
+
+        assert(sigprocmask_many(SIG_SETMASK, NULL, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, SIGRTMIN+1, -1) >= 0);
+
+        r = sd_event_add_signal(s->event, &s->sigusr1_event_source, SIGUSR1, dispatch_sigusr1, s);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_signal(s->event, &s->sigusr2_event_source, SIGUSR2, dispatch_sigusr2, s);
+        if (r < 0)
+                return r;
+
+        r = sd_event_add_signal(s->event, &s->sigterm_event_source, SIGTERM, dispatch_sigterm, s);
+        if (r < 0)
+                return r;
+
+        /* Let's process SIGTERM late, so that we flush all queued
+         * messages to disk before we exit */
+        r = sd_event_source_set_priority(s->sigterm_event_source, SD_EVENT_PRIORITY_NORMAL+20);
+        if (r < 0)
+                return r;
+
+        /* When journald is invoked on the terminal (when debugging),
+         * it's useful if C-c is handled equivalent to SIGTERM. */
+        r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);
+        if (r < 0)
+                return r;
+
+        r = sd_event_source_set_priority(s->sigint_event_source, SD_EVENT_PRIORITY_NORMAL+20);
+        if (r < 0)
+                return r;
+
+        /* SIGRTMIN+1 causes an immediate sync. We process this very
+         * late, so that everything else queued at this point is
+         * really written to disk. Clients can watch
+         * /run/systemd/journal/synced with inotify until its mtime
+         * changes to see when a sync happened. */
+        r = sd_event_add_signal(s->event, &s->sigrtmin1_event_source, SIGRTMIN+1, dispatch_sigrtmin1, s);
+        if (r < 0)
+                return r;
+
+        r = sd_event_source_set_priority(s->sigrtmin1_event_source, SD_EVENT_PRIORITY_NORMAL+15);
+        if (r < 0)
+                return r;
+
+        return 0;
+}
+
+static int server_parse_proc_cmdline(Server *s) {
+        _cleanup_free_ char *line = NULL;
+        const char *p;
+        int r;
+
+        r = proc_cmdline(&line);
+        if (r < 0) {
+                log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
+                return 0;
+        }
+
+        p = line;
+        for (;;) {
+                _cleanup_free_ char *word = NULL;
+
+                r = extract_first_word(&p, &word, NULL, 0);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to parse journald syntax \"%s\": %m", line);
+
+                if (r == 0)
+                        break;
+
+                if (startswith(word, "systemd.journald.forward_to_syslog=")) {
+                        r = parse_boolean(word + 35);
+                        if (r < 0)
+                                log_warning("Failed to parse forward to syslog switch %s. Ignoring.", word + 35);
+                        else
+                                s->forward_to_syslog = r;
+                } else if (startswith(word, "systemd.journald.forward_to_kmsg=")) {
+                        r = parse_boolean(word + 33);
+                        if (r < 0)
+                                log_warning("Failed to parse forward to kmsg switch %s. Ignoring.", word + 33);
+                        else
+                                s->forward_to_kmsg = r;
+                } else if (startswith(word, "systemd.journald.forward_to_console=")) {
+                        r = parse_boolean(word + 36);
+                        if (r < 0)
+                                log_warning("Failed to parse forward to console switch %s. Ignoring.", word + 36);
+                        else
+                                s->forward_to_console = r;
+                } else if (startswith(word, "systemd.journald.forward_to_wall=")) {
+                        r = parse_boolean(word + 33);
+                        if (r < 0)
+                                log_warning("Failed to parse forward to wall switch %s. Ignoring.", word + 33);
+                        else
+                                s->forward_to_wall = r;
+                } else if (startswith(word, "systemd.journald"))
+                        log_warning("Invalid systemd.journald parameter. Ignoring.");
+        }
+
+        /* do not warn about state here, since probably systemd already did */
+        return 0;
+}
+
+static int server_parse_config_file(Server *s) {
+        assert(s);
+
+        return config_parse_many(PKGSYSCONFDIR "/journald.conf",
+                                 CONF_PATHS_NULSTR("systemd/journald.conf.d"),
+                                 "Journal\0",
+                                 config_item_perf_lookup, journald_gperf_lookup,
+                                 false, s);
+}
+
+static int server_dispatch_sync(sd_event_source *es, usec_t t, void *userdata) {
+        Server *s = userdata;
+
+        assert(s);
+
+        server_sync(s);
+        return 0;
+}
+
+int server_schedule_sync(Server *s, int priority) {
+        int r;
+
+        assert(s);
+
+        if (priority <= LOG_CRIT) {
+                /* Immediately sync to disk when this is of priority CRIT, ALERT, EMERG */
+                server_sync(s);
+                return 0;
+        }
+
+        if (s->sync_scheduled)
+                return 0;
+
+        if (s->sync_interval_usec > 0) {
+                usec_t when;
+
+                r = sd_event_now(s->event, CLOCK_MONOTONIC, &when);
+                if (r < 0)
+                        return r;
+
+                when += s->sync_interval_usec;
+
+                if (!s->sync_event_source) {
+                        r = sd_event_add_time(
+                                        s->event,
+                                        &s->sync_event_source,
+                                        CLOCK_MONOTONIC,
+                                        when, 0,
+                                        server_dispatch_sync, s);
+                        if (r < 0)
+                                return r;
+
+                        r = sd_event_source_set_priority(s->sync_event_source, SD_EVENT_PRIORITY_IMPORTANT);
+                } else {
+                        r = sd_event_source_set_time(s->sync_event_source, when);
+                        if (r < 0)
+                                return r;
+
+                        r = sd_event_source_set_enabled(s->sync_event_source, SD_EVENT_ONESHOT);
+                }
+                if (r < 0)
+                        return r;
+
+                s->sync_scheduled = true;
+        }
+
+        return 0;
+}
+
+static int dispatch_hostname_change(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+        Server *s = userdata;
+
+        assert(s);
+
+        server_cache_hostname(s);
+        return 0;
+}
+
+static int server_open_hostname(Server *s) {
+        int r;
+
+        assert(s);
+
+        s->hostname_fd = open("/proc/sys/kernel/hostname", O_RDONLY|O_CLOEXEC|O_NDELAY|O_NOCTTY);
+        if (s->hostname_fd < 0)
+                return log_error_errno(errno, "Failed to open /proc/sys/kernel/hostname: %m");
+
+        r = sd_event_add_io(s->event, &s->hostname_event_source, s->hostname_fd, 0, dispatch_hostname_change, s);
+        if (r < 0) {
+                /* kernels prior to 3.2 don't support polling this file. Ignore
+                 * the failure. */
+                if (r == -EPERM) {
+                        log_warning_errno(r, "Failed to register hostname fd in event loop, ignoring: %m");
+                        s->hostname_fd = safe_close(s->hostname_fd);
+                        return 0;
+                }
+
+                return log_error_errno(r, "Failed to register hostname fd in event loop: %m");
+        }
+
+        r = sd_event_source_set_priority(s->hostname_event_source, SD_EVENT_PRIORITY_IMPORTANT-10);
+        if (r < 0)
+                return log_error_errno(r, "Failed to adjust priority of host name event source: %m");
+
+        return 0;
+}
+
+static int dispatch_notify_event(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+        assert(s->notify_event_source == es);
+        assert(s->notify_fd == fd);
+
+        /* The $NOTIFY_SOCKET is writable again, now send exactly one
+         * message on it. Either it's the wtachdog event, the initial
+         * READY=1 event or an stdout stream event. If there's nothing
+         * to write anymore, turn our event source off. The next time
+         * there's something to send it will be turned on again. */
+
+        if (!s->sent_notify_ready) {
+                static const char p[] =
+                        "READY=1\n"
+                        "STATUS=Processing requests...";
+                ssize_t l;
+
+                l = send(s->notify_fd, p, strlen(p), MSG_DONTWAIT);
+                if (l < 0) {
+                        if (errno == EAGAIN)
+                                return 0;
+
+                        return log_error_errno(errno, "Failed to send READY=1 notification message: %m");
+                }
+
+                s->sent_notify_ready = true;
+                log_debug("Sent READY=1 notification.");
+
+        } else if (s->send_watchdog) {
+
+                static const char p[] =
+                        "WATCHDOG=1";
+
+                ssize_t l;
+
+                l = send(s->notify_fd, p, strlen(p), MSG_DONTWAIT);
+                if (l < 0) {
+                        if (errno == EAGAIN)
+                                return 0;
+
+                        return log_error_errno(errno, "Failed to send WATCHDOG=1 notification message: %m");
+                }
+
+                s->send_watchdog = false;
+                log_debug("Sent WATCHDOG=1 notification.");
+
+        } else if (s->stdout_streams_notify_queue)
+                /* Dispatch one stream notification event */
+                stdout_stream_send_notify(s->stdout_streams_notify_queue);
+
+        /* Leave us enabled if there's still more to to do. */
+        if (s->send_watchdog || s->stdout_streams_notify_queue)
+                return 0;
+
+        /* There was nothing to do anymore, let's turn ourselves off. */
+        r = sd_event_source_set_enabled(es, SD_EVENT_OFF);
+        if (r < 0)
+                return log_error_errno(r, "Failed to turn off notify event source: %m");
+
+        return 0;
+}
+
+static int dispatch_watchdog(sd_event_source *es, uint64_t usec, void *userdata) {
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+
+        s->send_watchdog = true;
+
+        r = sd_event_source_set_enabled(s->notify_event_source, SD_EVENT_ON);
+        if (r < 0)
+                log_warning_errno(r, "Failed to turn on notify event source: %m");
+
+        r = sd_event_source_set_time(s->watchdog_event_source, usec + s->watchdog_usec / 2);
+        if (r < 0)
+                return log_error_errno(r, "Failed to restart watchdog event source: %m");
+
+        r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ON);
+        if (r < 0)
+                return log_error_errno(r, "Failed to enable watchdog event source: %m");
+
+        return 0;
+}
+
+static int server_connect_notify(Server *s) {
+        union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+        };
+        const char *e;
+        int r;
+
+        assert(s);
+        assert(s->notify_fd < 0);
+        assert(!s->notify_event_source);
+
+        /*
+          So here's the problem: we'd like to send notification
+          messages to PID 1, but we cannot do that via sd_notify(),
+          since that's synchronous, and we might end up blocking on
+          it. Specifically: given that PID 1 might block on
+          dbus-daemon during IPC, and dbus-daemon is logging to us,
+          and might hence block on us, we might end up in a deadlock
+          if we block on sending PID 1 notification messages — by
+          generating a full blocking circle. To avoid this, let's
+          create a non-blocking socket, and connect it to the
+          notification socket, and then wait for POLLOUT before we
+          send anything. This should efficiently avoid any deadlocks,
+          as we'll never block on PID 1, hence PID 1 can safely block
+          on dbus-daemon which can safely block on us again.
+
+          Don't think that this issue is real? It is, see:
+          https://github.com/systemd/systemd/issues/1505
+        */
+
+        e = getenv("NOTIFY_SOCKET");
+        if (!e)
+                return 0;
+
+        if ((e[0] != '@' && e[0] != '/') || e[1] == 0) {
+                log_error("NOTIFY_SOCKET set to an invalid value: %s", e);
+                return -EINVAL;
+        }
+
+        if (strlen(e) > sizeof(sa.un.sun_path)) {
+                log_error("NOTIFY_SOCKET path too long: %s", e);
+                return -EINVAL;
+        }
+
+        s->notify_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+        if (s->notify_fd < 0)
+                return log_error_errno(errno, "Failed to create notify socket: %m");
+
+        (void) fd_inc_sndbuf(s->notify_fd, NOTIFY_SNDBUF_SIZE);
+
+        strncpy(sa.un.sun_path, e, sizeof(sa.un.sun_path));
+        if (sa.un.sun_path[0] == '@')
+                sa.un.sun_path[0] = 0;
+
+        r = connect(s->notify_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
+        if (r < 0)
+                return log_error_errno(errno, "Failed to connect to notify socket: %m");
+
+        r = sd_event_add_io(s->event, &s->notify_event_source, s->notify_fd, EPOLLOUT, dispatch_notify_event, s);
+        if (r < 0)
+                return log_error_errno(r, "Failed to watch notification socket: %m");
+
+        if (sd_watchdog_enabled(false, &s->watchdog_usec) > 0) {
+                s->send_watchdog = true;
+
+                r = sd_event_add_time(s->event, &s->watchdog_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + s->watchdog_usec/2, s->watchdog_usec/4, dispatch_watchdog, s);
+                if (r < 0)
+                        return log_error_errno(r, "Failed to add watchdog time event: %m");
+        }
+
+        /* This should fire pretty soon, which we'll use to send the
+         * READY=1 event. */
+
+        return 0;
+}
+
+int server_init(Server *s) {
+        _cleanup_fdset_free_ FDSet *fds = NULL;
+        int n, r, fd;
+        bool no_sockets;
+
+        assert(s);
+
+        zero(*s);
+        s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = s->notify_fd = -1;
+        s->compress = true;
+        s->seal = true;
+
+        s->watchdog_usec = USEC_INFINITY;
+
+        s->sync_interval_usec = DEFAULT_SYNC_INTERVAL_USEC;
+        s->sync_scheduled = false;
+
+        s->rate_limit_interval = DEFAULT_RATE_LIMIT_INTERVAL;
+        s->rate_limit_burst = DEFAULT_RATE_LIMIT_BURST;
+
+        s->forward_to_wall = true;
+
+        s->max_file_usec = DEFAULT_MAX_FILE_USEC;
+
+        s->max_level_store = LOG_DEBUG;
+        s->max_level_syslog = LOG_DEBUG;
+        s->max_level_kmsg = LOG_NOTICE;
+        s->max_level_console = LOG_INFO;
+        s->max_level_wall = LOG_EMERG;
+
+        journal_reset_metrics(&s->system_metrics);
+        journal_reset_metrics(&s->runtime_metrics);
+
+        server_parse_config_file(s);
+        server_parse_proc_cmdline(s);
+
+        if (!!s->rate_limit_interval ^ !!s->rate_limit_burst) {
+                log_debug("Setting both rate limit interval and burst from "USEC_FMT",%u to 0,0",
+                          s->rate_limit_interval, s->rate_limit_burst);
+                s->rate_limit_interval = s->rate_limit_burst = 0;
+        }
+
+        (void) mkdir_p("/run/systemd/journal", 0755);
+
+        s->user_journals = ordered_hashmap_new(NULL);
+        if (!s->user_journals)
+                return log_oom();
+
+        s->mmap = mmap_cache_new();
+        if (!s->mmap)
+                return log_oom();
+
+        s->deferred_closes = set_new(NULL);
+        if (!s->deferred_closes)
+                return log_oom();
+
+        r = sd_event_default(&s->event);
+        if (r < 0)
+                return log_error_errno(r, "Failed to create event loop: %m");
+
+        n = sd_listen_fds(true);
+        if (n < 0)
+                return log_error_errno(n, "Failed to read listening file descriptors from environment: %m");
+
+        for (fd = SD_LISTEN_FDS_START; fd < SD_LISTEN_FDS_START + n; fd++) {
+
+                if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/socket", 0) > 0) {
+
+                        if (s->native_fd >= 0) {
+                                log_error("Too many native sockets passed.");
+                                return -EINVAL;
+                        }
+
+                        s->native_fd = fd;
+
+                } else if (sd_is_socket_unix(fd, SOCK_STREAM, 1, "/run/systemd/journal/stdout", 0) > 0) {
+
+                        if (s->stdout_fd >= 0) {
+                                log_error("Too many stdout sockets passed.");
+                                return -EINVAL;
+                        }
+
+                        s->stdout_fd = fd;
+
+                } else if (sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/dev/log", 0) > 0 ||
+                           sd_is_socket_unix(fd, SOCK_DGRAM, -1, "/run/systemd/journal/dev-log", 0) > 0) {
+
+                        if (s->syslog_fd >= 0) {
+                                log_error("Too many /dev/log sockets passed.");
+                                return -EINVAL;
+                        }
+
+                        s->syslog_fd = fd;
+
+                } else if (sd_is_socket(fd, AF_NETLINK, SOCK_RAW, -1) > 0) {
+
+                        if (s->audit_fd >= 0) {
+                                log_error("Too many audit sockets passed.");
+                                return -EINVAL;
+                        }
+
+                        s->audit_fd = fd;
+
+                } else {
+
+                        if (!fds) {
+                                fds = fdset_new();
+                                if (!fds)
+                                        return log_oom();
+                        }
+
+                        r = fdset_put(fds, fd);
+                        if (r < 0)
+                                return log_oom();
+                }
+        }
+
+        /* Try to restore streams, but don't bother if this fails */
+        (void) server_restore_streams(s, fds);
+
+        if (fdset_size(fds) > 0) {
+                log_warning("%u unknown file descriptors passed, closing.", fdset_size(fds));
+                fds = fdset_free(fds);
+        }
+
+        no_sockets = s->native_fd < 0 && s->stdout_fd < 0 && s->syslog_fd < 0 && s->audit_fd < 0;
+
+        /* always open stdout, syslog, native, and kmsg sockets */
+
+        /* systemd-journald.socket: /run/systemd/journal/stdout */
+        r = server_open_stdout_socket(s);
+        if (r < 0)
+                return r;
+
+        /* systemd-journald-dev-log.socket: /run/systemd/journal/dev-log */
+        r = server_open_syslog_socket(s);
+        if (r < 0)
+                return r;
+
+        /* systemd-journald.socket: /run/systemd/journal/socket */
+        r = server_open_native_socket(s);
+        if (r < 0)
+                return r;
+
+        /* /dev/ksmg */
+        r = server_open_dev_kmsg(s);
+        if (r < 0)
+                return r;
+
+        /* Unless we got *some* sockets and not audit, open audit socket */
+        if (s->audit_fd >= 0 || no_sockets) {
+                r = server_open_audit(s);
+                if (r < 0)
+                        return r;
+        }
+
+        r = server_open_kernel_seqnum(s);
+        if (r < 0)
+                return r;
+
+        r = server_open_hostname(s);
+        if (r < 0)
+                return r;
+
+        r = setup_signals(s);
+        if (r < 0)
+                return r;
+
+        s->udev = udev_new();
+        if (!s->udev)
+                return -ENOMEM;
+
+        s->rate_limit = journal_rate_limit_new(s->rate_limit_interval, s->rate_limit_burst);
+        if (!s->rate_limit)
+                return -ENOMEM;
+
+        r = cg_get_root_path(&s->cgroup_root);
+        if (r < 0)
+                return r;
+
+        server_cache_hostname(s);
+        server_cache_boot_id(s);
+        server_cache_machine_id(s);
+
+        (void) server_connect_notify(s);
+
+        return system_journal_open(s, false);
+}
+
+void server_maybe_append_tags(Server *s) {
+#ifdef HAVE_GCRYPT
+        JournalFile *f;
+        Iterator i;
+        usec_t n;
+
+        n = now(CLOCK_REALTIME);
+
+        if (s->system_journal)
+                journal_file_maybe_append_tag(s->system_journal, n);
+
+        ORDERED_HASHMAP_FOREACH(f, s->user_journals, i)
+                journal_file_maybe_append_tag(f, n);
+#endif
+}
+
+void server_done(Server *s) {
+        JournalFile *f;
+        assert(s);
+
+        if (s->deferred_closes) {
+                journal_file_close_set(s->deferred_closes);
+                set_free(s->deferred_closes);
+        }
+
+        while (s->stdout_streams)
+                stdout_stream_free(s->stdout_streams);
+
+        if (s->system_journal)
+                (void) journal_file_close(s->system_journal);
+
+        if (s->runtime_journal)
+                (void) journal_file_close(s->runtime_journal);
+
+        while ((f = ordered_hashmap_steal_first(s->user_journals)))
+                (void) journal_file_close(f);
+
+        ordered_hashmap_free(s->user_journals);
+
+        sd_event_source_unref(s->syslog_event_source);
+        sd_event_source_unref(s->native_event_source);
+        sd_event_source_unref(s->stdout_event_source);
+        sd_event_source_unref(s->dev_kmsg_event_source);
+        sd_event_source_unref(s->audit_event_source);
+        sd_event_source_unref(s->sync_event_source);
+        sd_event_source_unref(s->sigusr1_event_source);
+        sd_event_source_unref(s->sigusr2_event_source);
+        sd_event_source_unref(s->sigterm_event_source);
+        sd_event_source_unref(s->sigint_event_source);
+        sd_event_source_unref(s->sigrtmin1_event_source);
+        sd_event_source_unref(s->hostname_event_source);
+        sd_event_source_unref(s->notify_event_source);
+        sd_event_source_unref(s->watchdog_event_source);
+        sd_event_unref(s->event);
+
+        safe_close(s->syslog_fd);
+        safe_close(s->native_fd);
+        safe_close(s->stdout_fd);
+        safe_close(s->dev_kmsg_fd);
+        safe_close(s->audit_fd);
+        safe_close(s->hostname_fd);
+        safe_close(s->notify_fd);
+
+        if (s->rate_limit)
+                journal_rate_limit_free(s->rate_limit);
+
+        if (s->kernel_seqnum)
+                munmap(s->kernel_seqnum, sizeof(uint64_t));
+
+        free(s->buffer);
+        free(s->tty_path);
+        free(s->cgroup_root);
+        free(s->hostname_field);
+
+        if (s->mmap)
+                mmap_cache_unref(s->mmap);
+
+        udev_unref(s->udev);
+}
+
+static const char* const storage_table[_STORAGE_MAX] = {
+        [STORAGE_AUTO] = "auto",
+        [STORAGE_VOLATILE] = "volatile",
+        [STORAGE_PERSISTENT] = "persistent",
+        [STORAGE_NONE] = "none"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(storage, Storage);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_storage, storage, Storage, "Failed to parse storage setting");
+
+static const char* const split_mode_table[_SPLIT_MAX] = {
+        [SPLIT_LOGIN] = "login",
+        [SPLIT_UID] = "uid",
+        [SPLIT_NONE] = "none",
+};
+
+DEFINE_STRING_TABLE_LOOKUP(split_mode, SplitMode);
+DEFINE_CONFIG_PARSE_ENUM(config_parse_split_mode, split_mode, SplitMode, "Failed to parse split mode setting");
diff --git a/src/grp-journal/libjournal-core/journald-server.h b/src/grp-journal/libjournal-core/journald-server.h
new file mode 100644
index 0000000000..bebb056aa7
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-server.h
@@ -0,0 +1,186 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include <systemd/sd-event.h>
+
+typedef struct Server Server;
+
+#include "hashmap.h"
+#include "journal-file.h"
+#include "journald-rate-limit.h"
+#include "journald-stream.h"
+#include "list.h"
+
+typedef enum Storage {
+        STORAGE_AUTO,
+        STORAGE_VOLATILE,
+        STORAGE_PERSISTENT,
+        STORAGE_NONE,
+        _STORAGE_MAX,
+        _STORAGE_INVALID = -1
+} Storage;
+
+typedef enum SplitMode {
+        SPLIT_UID,
+        SPLIT_LOGIN,
+        SPLIT_NONE,
+        _SPLIT_MAX,
+        _SPLIT_INVALID = -1
+} SplitMode;
+
+struct Server {
+        int syslog_fd;
+        int native_fd;
+        int stdout_fd;
+        int dev_kmsg_fd;
+        int audit_fd;
+        int hostname_fd;
+        int notify_fd;
+
+        sd_event *event;
+
+        sd_event_source *syslog_event_source;
+        sd_event_source *native_event_source;
+        sd_event_source *stdout_event_source;
+        sd_event_source *dev_kmsg_event_source;
+        sd_event_source *audit_event_source;
+        sd_event_source *sync_event_source;
+        sd_event_source *sigusr1_event_source;
+        sd_event_source *sigusr2_event_source;
+        sd_event_source *sigterm_event_source;
+        sd_event_source *sigint_event_source;
+        sd_event_source *sigrtmin1_event_source;
+        sd_event_source *hostname_event_source;
+        sd_event_source *notify_event_source;
+        sd_event_source *watchdog_event_source;
+
+        JournalFile *runtime_journal;
+        JournalFile *system_journal;
+        OrderedHashmap *user_journals;
+
+        uint64_t seqnum;
+
+        char *buffer;
+        size_t buffer_size;
+
+        JournalRateLimit *rate_limit;
+        usec_t sync_interval_usec;
+        usec_t rate_limit_interval;
+        unsigned rate_limit_burst;
+
+        JournalMetrics runtime_metrics;
+        JournalMetrics system_metrics;
+
+        bool compress;
+        bool seal;
+
+        bool forward_to_kmsg;
+        bool forward_to_syslog;
+        bool forward_to_console;
+        bool forward_to_wall;
+
+        unsigned n_forward_syslog_missed;
+        usec_t last_warn_forward_syslog_missed;
+
+        uint64_t cached_space_available;
+        uint64_t cached_space_limit;
+        usec_t cached_space_timestamp;
+
+        uint64_t var_available_timestamp;
+
+        usec_t max_retention_usec;
+        usec_t max_file_usec;
+        usec_t oldest_file_usec;
+
+        LIST_HEAD(StdoutStream, stdout_streams);
+        LIST_HEAD(StdoutStream, stdout_streams_notify_queue);
+        unsigned n_stdout_streams;
+
+        char *tty_path;
+
+        int max_level_store;
+        int max_level_syslog;
+        int max_level_kmsg;
+        int max_level_console;
+        int max_level_wall;
+
+        Storage storage;
+        SplitMode split_mode;
+
+        MMapCache *mmap;
+
+        Set *deferred_closes;
+
+        struct udev *udev;
+
+        uint64_t *kernel_seqnum;
+        bool dev_kmsg_readable:1;
+
+        bool send_watchdog:1;
+        bool sent_notify_ready:1;
+        bool sync_scheduled:1;
+
+        char machine_id_field[sizeof("_MACHINE_ID=") + 32];
+        char boot_id_field[sizeof("_BOOT_ID=") + 32];
+        char *hostname_field;
+
+        /* Cached cgroup root, so that we don't have to query that all the time */
+        char *cgroup_root;
+
+        usec_t watchdog_usec;
+};
+
+#define SERVER_MACHINE_ID(s) ((s)->machine_id_field + strlen("_MACHINE_ID="))
+
+#define N_IOVEC_META_FIELDS 20
+#define N_IOVEC_KERNEL_FIELDS 64
+#define N_IOVEC_UDEV_FIELDS 32
+#define N_IOVEC_OBJECT_FIELDS 12
+#define N_IOVEC_PAYLOAD_FIELDS 15
+
+void server_dispatch_message(Server *s, struct iovec *iovec, unsigned n, unsigned m, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len, const char *unit_id, int priority, pid_t object_pid);
+void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ...) _printf_(3,0) _sentinel_;
+
+/* gperf lookup function */
+const struct ConfigPerfItem* journald_gperf_lookup(const char *key, unsigned length);
+
+int config_parse_storage(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+
+const char *storage_to_string(Storage s) _const_;
+Storage storage_from_string(const char *s) _pure_;
+
+int config_parse_split_mode(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);
+
+const char *split_mode_to_string(SplitMode s) _const_;
+SplitMode split_mode_from_string(const char *s) _pure_;
+
+int server_init(Server *s);
+void server_done(Server *s);
+void server_sync(Server *s);
+int server_vacuum(Server *s, bool verbose, bool patch_min_use);
+void server_rotate(Server *s);
+int server_schedule_sync(Server *s, int priority);
+int server_flush_to_var(Server *s);
+void server_maybe_append_tags(Server *s);
+int server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata);
diff --git a/src/grp-journal/libjournal-core/journald-stream.c b/src/grp-journal/libjournal-core/journald-stream.c
new file mode 100644
index 0000000000..99d856301c
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-stream.c
@@ -0,0 +1,785 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stddef.h>
+#include <unistd.h>
+
+#ifdef HAVE_SELINUX
+#include <selinux/selinux.h>
+#endif
+
+#include <systemd/sd-daemon.h>
+#include <systemd/sd-event.h>
+
+#include "alloc-util.h"
+#include "dirent-util.h"
+#include "escape.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "io-util.h"
+#include "journald-console.h"
+#include "journald-kmsg.h"
+#include "journald-server.h"
+#include "journald-stream.h"
+#include "journald-syslog.h"
+#include "journald-wall.h"
+#include "mkdir.h"
+#include "parse-util.h"
+#include "selinux-util.h"
+#include "socket-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "syslog-util.h"
+
+#define STDOUT_STREAMS_MAX 4096
+
+typedef enum StdoutStreamState {
+        STDOUT_STREAM_IDENTIFIER,
+        STDOUT_STREAM_UNIT_ID,
+        STDOUT_STREAM_PRIORITY,
+        STDOUT_STREAM_LEVEL_PREFIX,
+        STDOUT_STREAM_FORWARD_TO_SYSLOG,
+        STDOUT_STREAM_FORWARD_TO_KMSG,
+        STDOUT_STREAM_FORWARD_TO_CONSOLE,
+        STDOUT_STREAM_RUNNING
+} StdoutStreamState;
+
+struct StdoutStream {
+        Server *server;
+        StdoutStreamState state;
+
+        int fd;
+
+        struct ucred ucred;
+        char *label;
+        char *identifier;
+        char *unit_id;
+        int priority;
+        bool level_prefix:1;
+        bool forward_to_syslog:1;
+        bool forward_to_kmsg:1;
+        bool forward_to_console:1;
+
+        bool fdstore:1;
+        bool in_notify_queue:1;
+
+        char buffer[LINE_MAX+1];
+        size_t length;
+
+        sd_event_source *event_source;
+
+        char *state_file;
+
+        LIST_FIELDS(StdoutStream, stdout_stream);
+        LIST_FIELDS(StdoutStream, stdout_stream_notify_queue);
+};
+
+void stdout_stream_free(StdoutStream *s) {
+        if (!s)
+                return;
+
+        if (s->server) {
+                assert(s->server->n_stdout_streams > 0);
+                s->server->n_stdout_streams--;
+                LIST_REMOVE(stdout_stream, s->server->stdout_streams, s);
+
+                if (s->in_notify_queue)
+                        LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
+        }
+
+        if (s->event_source) {
+                sd_event_source_set_enabled(s->event_source, SD_EVENT_OFF);
+                s->event_source = sd_event_source_unref(s->event_source);
+        }
+
+        safe_close(s->fd);
+        free(s->label);
+        free(s->identifier);
+        free(s->unit_id);
+        free(s->state_file);
+
+        free(s);
+}
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(StdoutStream*, stdout_stream_free);
+
+static void stdout_stream_destroy(StdoutStream *s) {
+        if (!s)
+                return;
+
+        if (s->state_file)
+                (void) unlink(s->state_file);
+
+        stdout_stream_free(s);
+}
+
+static int stdout_stream_save(StdoutStream *s) {
+        _cleanup_free_ char *temp_path = NULL;
+        _cleanup_fclose_ FILE *f = NULL;
+        int r;
+
+        assert(s);
+
+        if (s->state != STDOUT_STREAM_RUNNING)
+                return 0;
+
+        if (!s->state_file) {
+                struct stat st;
+
+                r = fstat(s->fd, &st);
+                if (r < 0)
+                        return log_warning_errno(errno, "Failed to stat connected stream: %m");
+
+                /* We use device and inode numbers as identifier for the stream */
+                if (asprintf(&s->state_file, "/run/systemd/journal/streams/%lu:%lu", (unsigned long) st.st_dev, (unsigned long) st.st_ino) < 0)
+                        return log_oom();
+        }
+
+        mkdir_p("/run/systemd/journal/streams", 0755);
+
+        r = fopen_temporary(s->state_file, &f, &temp_path);
+        if (r < 0)
+                goto fail;
+
+        fprintf(f,
+                "# This is private data. Do not parse\n"
+                "PRIORITY=%i\n"
+                "LEVEL_PREFIX=%i\n"
+                "FORWARD_TO_SYSLOG=%i\n"
+                "FORWARD_TO_KMSG=%i\n"
+                "FORWARD_TO_CONSOLE=%i\n",
+                s->priority,
+                s->level_prefix,
+                s->forward_to_syslog,
+                s->forward_to_kmsg,
+                s->forward_to_console);
+
+        if (!isempty(s->identifier)) {
+                _cleanup_free_ char *escaped;
+
+                escaped = cescape(s->identifier);
+                if (!escaped) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+
+                fprintf(f, "IDENTIFIER=%s\n", escaped);
+        }
+
+        if (!isempty(s->unit_id)) {
+                _cleanup_free_ char *escaped;
+
+                escaped = cescape(s->unit_id);
+                if (!escaped) {
+                        r = -ENOMEM;
+                        goto fail;
+                }
+
+                fprintf(f, "UNIT=%s\n", escaped);
+        }
+
+        r = fflush_and_check(f);
+        if (r < 0)
+                goto fail;
+
+        if (rename(temp_path, s->state_file) < 0) {
+                r = -errno;
+                goto fail;
+        }
+
+        if (!s->fdstore && !s->in_notify_queue) {
+                LIST_PREPEND(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
+                s->in_notify_queue = true;
+
+                if (s->server->notify_event_source) {
+                        r = sd_event_source_set_enabled(s->server->notify_event_source, SD_EVENT_ON);
+                        if (r < 0)
+                                log_warning_errno(r, "Failed to enable notify event source: %m");
+                }
+        }
+
+        return 0;
+
+fail:
+        (void) unlink(s->state_file);
+
+        if (temp_path)
+                (void) unlink(temp_path);
+
+        return log_error_errno(r, "Failed to save stream data %s: %m", s->state_file);
+}
+
+static int stdout_stream_log(StdoutStream *s, const char *p) {
+        struct iovec iovec[N_IOVEC_META_FIELDS + 5];
+        int priority;
+        char syslog_priority[] = "PRIORITY=\0";
+        char syslog_facility[sizeof("SYSLOG_FACILITY=")-1 + DECIMAL_STR_MAX(int) + 1];
+        _cleanup_free_ char *message = NULL, *syslog_identifier = NULL;
+        unsigned n = 0;
+        size_t label_len;
+
+        assert(s);
+        assert(p);
+
+        priority = s->priority;
+
+        if (s->level_prefix)
+                syslog_parse_priority(&p, &priority, false);
+
+        if (isempty(p))
+                return 0;
+
+        if (s->forward_to_syslog || s->server->forward_to_syslog)
+                server_forward_syslog(s->server, syslog_fixup_facility(priority), s->identifier, p, &s->ucred, NULL);
+
+        if (s->forward_to_kmsg || s->server->forward_to_kmsg)
+                server_forward_kmsg(s->server, priority, s->identifier, p, &s->ucred);
+
+        if (s->forward_to_console || s->server->forward_to_console)
+                server_forward_console(s->server, priority, s->identifier, p, &s->ucred);
+
+        if (s->server->forward_to_wall)
+                server_forward_wall(s->server, priority, s->identifier, p, &s->ucred);
+
+        IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=stdout");
+
+        syslog_priority[strlen("PRIORITY=")] = '0' + LOG_PRI(priority);
+        IOVEC_SET_STRING(iovec[n++], syslog_priority);
+
+        if (priority & LOG_FACMASK) {
+                xsprintf(syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority));
+                IOVEC_SET_STRING(iovec[n++], syslog_facility);
+        }
+
+        if (s->identifier) {
+                syslog_identifier = strappend("SYSLOG_IDENTIFIER=", s->identifier);
+                if (syslog_identifier)
+                        IOVEC_SET_STRING(iovec[n++], syslog_identifier);
+        }
+
+        message = strappend("MESSAGE=", p);
+        if (message)
+                IOVEC_SET_STRING(iovec[n++], message);
+
+        label_len = s->label ? strlen(s->label) : 0;
+        server_dispatch_message(s->server, iovec, n, ELEMENTSOF(iovec), &s->ucred, NULL, s->label, label_len, s->unit_id, priority, 0);
+        return 0;
+}
+
+static int stdout_stream_line(StdoutStream *s, char *p) {
+        int r;
+        char *orig;
+
+        assert(s);
+        assert(p);
+
+        orig = p;
+        p = strstrip(p);
+
+        switch (s->state) {
+
+        case STDOUT_STREAM_IDENTIFIER:
+                if (isempty(p))
+                        s->identifier = NULL;
+                else  {
+                        s->identifier = strdup(p);
+                        if (!s->identifier)
+                                return log_oom();
+                }
+
+                s->state = STDOUT_STREAM_UNIT_ID;
+                return 0;
+
+        case STDOUT_STREAM_UNIT_ID:
+                if (s->ucred.uid == 0) {
+                        if (isempty(p))
+                                s->unit_id = NULL;
+                        else  {
+                                s->unit_id = strdup(p);
+                                if (!s->unit_id)
+                                        return log_oom();
+                        }
+                }
+
+                s->state = STDOUT_STREAM_PRIORITY;
+                return 0;
+
+        case STDOUT_STREAM_PRIORITY:
+                r = safe_atoi(p, &s->priority);
+                if (r < 0 || s->priority < 0 || s->priority > 999) {
+                        log_warning("Failed to parse log priority line.");
+                        return -EINVAL;
+                }
+
+                s->state = STDOUT_STREAM_LEVEL_PREFIX;
+                return 0;
+
+        case STDOUT_STREAM_LEVEL_PREFIX:
+                r = parse_boolean(p);
+                if (r < 0) {
+                        log_warning("Failed to parse level prefix line.");
+                        return -EINVAL;
+                }
+
+                s->level_prefix = !!r;
+                s->state = STDOUT_STREAM_FORWARD_TO_SYSLOG;
+                return 0;
+
+        case STDOUT_STREAM_FORWARD_TO_SYSLOG:
+                r = parse_boolean(p);
+                if (r < 0) {
+                        log_warning("Failed to parse forward to syslog line.");
+                        return -EINVAL;
+                }
+
+                s->forward_to_syslog = !!r;
+                s->state = STDOUT_STREAM_FORWARD_TO_KMSG;
+                return 0;
+
+        case STDOUT_STREAM_FORWARD_TO_KMSG:
+                r = parse_boolean(p);
+                if (r < 0) {
+                        log_warning("Failed to parse copy to kmsg line.");
+                        return -EINVAL;
+                }
+
+                s->forward_to_kmsg = !!r;
+                s->state = STDOUT_STREAM_FORWARD_TO_CONSOLE;
+                return 0;
+
+        case STDOUT_STREAM_FORWARD_TO_CONSOLE:
+                r = parse_boolean(p);
+                if (r < 0) {
+                        log_warning("Failed to parse copy to console line.");
+                        return -EINVAL;
+                }
+
+                s->forward_to_console = !!r;
+                s->state = STDOUT_STREAM_RUNNING;
+
+                /* Try to save the stream, so that journald can be restarted and we can recover */
+                (void) stdout_stream_save(s);
+                return 0;
+
+        case STDOUT_STREAM_RUNNING:
+                return stdout_stream_log(s, orig);
+        }
+
+        assert_not_reached("Unknown stream state");
+}
+
+static int stdout_stream_scan(StdoutStream *s, bool force_flush) {
+        char *p;
+        size_t remaining;
+        int r;
+
+        assert(s);
+
+        p = s->buffer;
+        remaining = s->length;
+        for (;;) {
+                char *end;
+                size_t skip;
+
+                end = memchr(p, '\n', remaining);
+                if (end)
+                        skip = end - p + 1;
+                else if (remaining >= sizeof(s->buffer) - 1) {
+                        end = p + sizeof(s->buffer) - 1;
+                        skip = remaining;
+                } else
+                        break;
+
+                *end = 0;
+
+                r = stdout_stream_line(s, p);
+                if (r < 0)
+                        return r;
+
+                remaining -= skip;
+                p += skip;
+        }
+
+        if (force_flush && remaining > 0) {
+                p[remaining] = 0;
+                r = stdout_stream_line(s, p);
+                if (r < 0)
+                        return r;
+
+                p += remaining;
+                remaining = 0;
+        }
+
+        if (p > s->buffer) {
+                memmove(s->buffer, p, remaining);
+                s->length = remaining;
+        }
+
+        return 0;
+}
+
+static int stdout_stream_process(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
+        StdoutStream *s = userdata;
+        ssize_t l;
+        int r;
+
+        assert(s);
+
+        if ((revents|EPOLLIN|EPOLLHUP) != (EPOLLIN|EPOLLHUP)) {
+                log_error("Got invalid event from epoll for stdout stream: %"PRIx32, revents);
+                goto terminate;
+        }
+
+        l = read(s->fd, s->buffer+s->length, sizeof(s->buffer)-1-s->length);
+        if (l < 0) {
+
+                if (errno == EAGAIN)
+                        return 0;
+
+                log_warning_errno(errno, "Failed to read from stream: %m");
+                goto terminate;
+        }
+
+        if (l == 0) {
+                stdout_stream_scan(s, true);
+                goto terminate;
+        }
+
+        s->length += l;
+        r = stdout_stream_scan(s, false);
+        if (r < 0)
+                goto terminate;
+
+        return 1;
+
+terminate:
+        stdout_stream_destroy(s);
+        return 0;
+}
+
+static int stdout_stream_install(Server *s, int fd, StdoutStream **ret) {
+        _cleanup_(stdout_stream_freep) StdoutStream *stream = NULL;
+        int r;
+
+        assert(s);
+        assert(fd >= 0);
+
+        stream = new0(StdoutStream, 1);
+        if (!stream)
+                return log_oom();
+
+        stream->fd = -1;
+        stream->priority = LOG_INFO;
+
+        r = getpeercred(fd, &stream->ucred);
+        if (r < 0)
+                return log_error_errno(r, "Failed to determine peer credentials: %m");
+
+        if (mac_selinux_have()) {
+                r = getpeersec(fd, &stream->label);
+                if (r < 0 && r != -EOPNOTSUPP)
+                        (void) log_warning_errno(r, "Failed to determine peer security context: %m");
+        }
+
+        (void) shutdown(fd, SHUT_WR);
+
+        r = sd_event_add_io(s->event, &stream->event_source, fd, EPOLLIN, stdout_stream_process, stream);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add stream to event loop: %m");
+
+        r = sd_event_source_set_priority(stream->event_source, SD_EVENT_PRIORITY_NORMAL+5);
+        if (r < 0)
+                return log_error_errno(r, "Failed to adjust stdout event source priority: %m");
+
+        stream->fd = fd;
+
+        stream->server = s;
+        LIST_PREPEND(stdout_stream, s->stdout_streams, stream);
+        s->n_stdout_streams++;
+
+        if (ret)
+                *ret = stream;
+
+        stream = NULL;
+
+        return 0;
+}
+
+static int stdout_stream_new(sd_event_source *es, int listen_fd, uint32_t revents, void *userdata) {
+        _cleanup_close_ int fd = -1;
+        Server *s = userdata;
+        int r;
+
+        assert(s);
+
+        if (revents != EPOLLIN) {
+                log_error("Got invalid event from epoll for stdout server fd: %"PRIx32, revents);
+                return -EIO;
+        }
+
+        fd = accept4(s->stdout_fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);
+        if (fd < 0) {
+                if (errno == EAGAIN)
+                        return 0;
+
+                return log_error_errno(errno, "Failed to accept stdout connection: %m");
+        }
+
+        if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) {
+                log_warning("Too many stdout streams, refusing connection.");
+                return 0;
+        }
+
+        r = stdout_stream_install(s, fd, NULL);
+        if (r < 0)
+                return r;
+
+        fd = -1;
+        return 0;
+}
+
+static int stdout_stream_load(StdoutStream *stream, const char *fname) {
+        _cleanup_free_ char
+                *priority = NULL,
+                *level_prefix = NULL,
+                *forward_to_syslog = NULL,
+                *forward_to_kmsg = NULL,
+                *forward_to_console = NULL;
+        int r;
+
+        assert(stream);
+        assert(fname);
+
+        if (!stream->state_file) {
+                stream->state_file = strappend("/run/systemd/journal/streams/", fname);
+                if (!stream->state_file)
+                        return log_oom();
+        }
+
+        r = parse_env_file(stream->state_file, NEWLINE,
+                           "PRIORITY", &priority,
+                           "LEVEL_PREFIX", &level_prefix,
+                           "FORWARD_TO_SYSLOG", &forward_to_syslog,
+                           "FORWARD_TO_KMSG", &forward_to_kmsg,
+                           "FORWARD_TO_CONSOLE", &forward_to_console,
+                           "IDENTIFIER", &stream->identifier,
+                           "UNIT", &stream->unit_id,
+                           NULL);
+        if (r < 0)
+                return log_error_errno(r, "Failed to read: %s", stream->state_file);
+
+        if (priority) {
+                int p;
+
+                p = log_level_from_string(priority);
+                if (p >= 0)
+                        stream->priority = p;
+        }
+
+        if (level_prefix) {
+                r = parse_boolean(level_prefix);
+                if (r >= 0)
+                        stream->level_prefix = r;
+        }
+
+        if (forward_to_syslog) {
+                r = parse_boolean(forward_to_syslog);
+                if (r >= 0)
+                        stream->forward_to_syslog = r;
+        }
+
+        if (forward_to_kmsg) {
+                r = parse_boolean(forward_to_kmsg);
+                if (r >= 0)
+                        stream->forward_to_kmsg = r;
+        }
+
+        if (forward_to_console) {
+                r = parse_boolean(forward_to_console);
+                if (r >= 0)
+                        stream->forward_to_console = r;
+        }
+
+        return 0;
+}
+
+static int stdout_stream_restore(Server *s, const char *fname, int fd) {
+        StdoutStream *stream;
+        int r;
+
+        assert(s);
+        assert(fname);
+        assert(fd >= 0);
+
+        if (s->n_stdout_streams >= STDOUT_STREAMS_MAX) {
+                log_warning("Too many stdout streams, refusing restoring of stream.");
+                return -ENOBUFS;
+        }
+
+        r = stdout_stream_install(s, fd, &stream);
+        if (r < 0)
+                return r;
+
+        stream->state = STDOUT_STREAM_RUNNING;
+        stream->fdstore = true;
+
+        /* Ignore all parsing errors */
+        (void) stdout_stream_load(stream, fname);
+
+        return 0;
+}
+
+int server_restore_streams(Server *s, FDSet *fds) {
+        _cleanup_closedir_ DIR *d = NULL;
+        struct dirent *de;
+        int r;
+
+        d = opendir("/run/systemd/journal/streams");
+        if (!d) {
+                if (errno == ENOENT)
+                        return 0;
+
+                return log_warning_errno(errno, "Failed to enumerate /run/systemd/journal/streams: %m");
+        }
+
+        FOREACH_DIRENT(de, d, goto fail) {
+                unsigned long st_dev, st_ino;
+                bool found = false;
+                Iterator i;
+                int fd;
+
+                if (sscanf(de->d_name, "%lu:%lu", &st_dev, &st_ino) != 2)
+                        continue;
+
+                FDSET_FOREACH(fd, fds, i) {
+                        struct stat st;
+
+                        if (fstat(fd, &st) < 0)
+                                return log_error_errno(errno, "Failed to stat %s: %m", de->d_name);
+
+                        if (S_ISSOCK(st.st_mode) && st.st_dev == st_dev && st.st_ino == st_ino) {
+                                found = true;
+                                break;
+                        }
+                }
+
+                if (!found) {
+                        /* No file descriptor? Then let's delete the state file */
+                        log_debug("Cannot restore stream file %s", de->d_name);
+                        unlinkat(dirfd(d), de->d_name, 0);
+                        continue;
+                }
+
+                fdset_remove(fds, fd);
+
+                r = stdout_stream_restore(s, de->d_name, fd);
+                if (r < 0)
+                        safe_close(fd);
+        }
+
+        return 0;
+
+fail:
+        return log_error_errno(errno, "Failed to read streams directory: %m");
+}
+
+int server_open_stdout_socket(Server *s) {
+        static const union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+                .un.sun_path = "/run/systemd/journal/stdout",
+        };
+        int r;
+
+        assert(s);
+
+        if (s->stdout_fd < 0) {
+                s->stdout_fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+                if (s->stdout_fd < 0)
+                        return log_error_errno(errno, "socket() failed: %m");
+
+                (void) unlink(sa.un.sun_path);
+
+                r = bind(s->stdout_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
+                if (r < 0)
+                        return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
+
+                (void) chmod(sa.un.sun_path, 0666);
+
+                if (listen(s->stdout_fd, SOMAXCONN) < 0)
+                        return log_error_errno(errno, "listen(%s) failed: %m", sa.un.sun_path);
+        } else
+                fd_nonblock(s->stdout_fd, 1);
+
+        r = sd_event_add_io(s->event, &s->stdout_event_source, s->stdout_fd, EPOLLIN, stdout_stream_new, s);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add stdout server fd to event source: %m");
+
+        r = sd_event_source_set_priority(s->stdout_event_source, SD_EVENT_PRIORITY_NORMAL+5);
+        if (r < 0)
+                return log_error_errno(r, "Failed to adjust priority of stdout server event source: %m");
+
+        return 0;
+}
+
+void stdout_stream_send_notify(StdoutStream *s) {
+        struct iovec iovec = {
+                .iov_base = (char*) "FDSTORE=1",
+                .iov_len = strlen("FDSTORE=1"),
+        };
+        struct msghdr msghdr = {
+                .msg_iov = &iovec,
+                .msg_iovlen = 1,
+        };
+        struct cmsghdr *cmsg;
+        ssize_t l;
+
+        assert(s);
+        assert(!s->fdstore);
+        assert(s->in_notify_queue);
+        assert(s->server);
+        assert(s->server->notify_fd >= 0);
+
+        /* Store the connection fd in PID 1, so that we get it passed
+         * in again on next start */
+
+        msghdr.msg_controllen = CMSG_SPACE(sizeof(int));
+        msghdr.msg_control = alloca0(msghdr.msg_controllen);
+
+        cmsg = CMSG_FIRSTHDR(&msghdr);
+        cmsg->cmsg_level = SOL_SOCKET;
+        cmsg->cmsg_type = SCM_RIGHTS;
+        cmsg->cmsg_len = CMSG_LEN(sizeof(int));
+
+        memcpy(CMSG_DATA(cmsg), &s->fd, sizeof(int));
+
+        l = sendmsg(s->server->notify_fd, &msghdr, MSG_DONTWAIT|MSG_NOSIGNAL);
+        if (l < 0) {
+                if (errno == EAGAIN)
+                        return;
+
+                log_error_errno(errno, "Failed to send stream file descriptor to service manager: %m");
+        } else {
+                log_debug("Successfully sent stream file descriptor to service manager.");
+                s->fdstore = 1;
+        }
+
+        LIST_REMOVE(stdout_stream_notify_queue, s->server->stdout_streams_notify_queue, s);
+        s->in_notify_queue = false;
+
+}
diff --git a/src/grp-journal/libjournal-core/journald-stream.h b/src/grp-journal/libjournal-core/journald-stream.h
new file mode 100644
index 0000000000..db4c67fae3
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-stream.h
@@ -0,0 +1,31 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+typedef struct StdoutStream StdoutStream;
+
+#include "fdset.h"
+#include "journald-server.h"
+
+int server_open_stdout_socket(Server *s);
+int server_restore_streams(Server *s, FDSet *fds);
+
+void stdout_stream_free(StdoutStream *s);
+void stdout_stream_send_notify(StdoutStream *s);
diff --git a/src/grp-journal/libjournal-core/journald-syslog.c b/src/grp-journal/libjournal-core/journald-syslog.c
new file mode 100644
index 0000000000..86fe81d179
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-syslog.c
@@ -0,0 +1,454 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stddef.h>
+#include <sys/epoll.h>
+#include <unistd.h>
+
+#include <systemd/sd-messages.h>
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "formats-util.h"
+#include "io-util.h"
+#include "journald-console.h"
+#include "journald-kmsg.h"
+#include "journald-server.h"
+#include "journald-syslog.h"
+#include "journald-wall.h"
+#include "process-util.h"
+#include "selinux-util.h"
+#include "socket-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "syslog-util.h"
+
+/* Warn once every 30s if we missed syslog message */
+#define WARN_FORWARD_SYSLOG_MISSED_USEC (30 * USEC_PER_SEC)
+
+static void forward_syslog_iovec(Server *s, const struct iovec *iovec, unsigned n_iovec, const struct ucred *ucred, const struct timeval *tv) {
+
+        static const union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+                .un.sun_path = "/run/systemd/journal/syslog",
+        };
+        struct msghdr msghdr = {
+                .msg_iov = (struct iovec *) iovec,
+                .msg_iovlen = n_iovec,
+                .msg_name = (struct sockaddr*) &sa.sa,
+                .msg_namelen = SOCKADDR_UN_LEN(sa.un),
+        };
+        struct cmsghdr *cmsg;
+        union {
+                struct cmsghdr cmsghdr;
+                uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
+        } control;
+
+        assert(s);
+        assert(iovec);
+        assert(n_iovec > 0);
+
+        if (ucred) {
+                zero(control);
+                msghdr.msg_control = &control;
+                msghdr.msg_controllen = sizeof(control);
+
+                cmsg = CMSG_FIRSTHDR(&msghdr);
+                cmsg->cmsg_level = SOL_SOCKET;
+                cmsg->cmsg_type = SCM_CREDENTIALS;
+                cmsg->cmsg_len = CMSG_LEN(sizeof(struct ucred));
+                memcpy(CMSG_DATA(cmsg), ucred, sizeof(struct ucred));
+                msghdr.msg_controllen = cmsg->cmsg_len;
+        }
+
+        /* Forward the syslog message we received via /dev/log to
+         * /run/systemd/syslog. Unfortunately we currently can't set
+         * the SO_TIMESTAMP auxiliary data, and hence we don't. */
+
+        if (sendmsg(s->syslog_fd, &msghdr, MSG_NOSIGNAL) >= 0)
+                return;
+
+        /* The socket is full? I guess the syslog implementation is
+         * too slow, and we shouldn't wait for that... */
+        if (errno == EAGAIN) {
+                s->n_forward_syslog_missed++;
+                return;
+        }
+
+        if (ucred && (errno == ESRCH || errno == EPERM)) {
+                struct ucred u;
+
+                /* Hmm, presumably the sender process vanished
+                 * by now, or we don't have CAP_SYS_AMDIN, so
+                 * let's fix it as good as we can, and retry */
+
+                u = *ucred;
+                u.pid = getpid();
+                memcpy(CMSG_DATA(cmsg), &u, sizeof(struct ucred));
+
+                if (sendmsg(s->syslog_fd, &msghdr, MSG_NOSIGNAL) >= 0)
+                        return;
+
+                if (errno == EAGAIN) {
+                        s->n_forward_syslog_missed++;
+                        return;
+                }
+        }
+
+        if (errno != ENOENT)
+                log_debug_errno(errno, "Failed to forward syslog message: %m");
+}
+
+static void forward_syslog_raw(Server *s, int priority, const char *buffer, const struct ucred *ucred, const struct timeval *tv) {
+        struct iovec iovec;
+
+        assert(s);
+        assert(buffer);
+
+        if (LOG_PRI(priority) > s->max_level_syslog)
+                return;
+
+        IOVEC_SET_STRING(iovec, buffer);
+        forward_syslog_iovec(s, &iovec, 1, ucred, tv);
+}
+
+void server_forward_syslog(Server *s, int priority, const char *identifier, const char *message, const struct ucred *ucred, const struct timeval *tv) {
+        struct iovec iovec[5];
+        char header_priority[DECIMAL_STR_MAX(priority) + 3], header_time[64],
+             header_pid[sizeof("[]: ")-1 + DECIMAL_STR_MAX(pid_t) + 1];
+        int n = 0;
+        time_t t;
+        struct tm *tm;
+        char *ident_buf = NULL;
+
+        assert(s);
+        assert(priority >= 0);
+        assert(priority <= 999);
+        assert(message);
+
+        if (LOG_PRI(priority) > s->max_level_syslog)
+                return;
+
+        /* First: priority field */
+        xsprintf(header_priority, "<%i>", priority);
+        IOVEC_SET_STRING(iovec[n++], header_priority);
+
+        /* Second: timestamp */
+        t = tv ? tv->tv_sec : ((time_t) (now(CLOCK_REALTIME) / USEC_PER_SEC));
+        tm = localtime(&t);
+        if (!tm)
+                return;
+        if (strftime(header_time, sizeof(header_time), "%h %e %T ", tm) <= 0)
+                return;
+        IOVEC_SET_STRING(iovec[n++], header_time);
+
+        /* Third: identifier and PID */
+        if (ucred) {
+                if (!identifier) {
+                        get_process_comm(ucred->pid, &ident_buf);
+                        identifier = ident_buf;
+                }
+
+                xsprintf(header_pid, "["PID_FMT"]: ", ucred->pid);
+
+                if (identifier)
+                        IOVEC_SET_STRING(iovec[n++], identifier);
+
+                IOVEC_SET_STRING(iovec[n++], header_pid);
+        } else if (identifier) {
+                IOVEC_SET_STRING(iovec[n++], identifier);
+                IOVEC_SET_STRING(iovec[n++], ": ");
+        }
+
+        /* Fourth: message */
+        IOVEC_SET_STRING(iovec[n++], message);
+
+        forward_syslog_iovec(s, iovec, n, ucred, tv);
+
+        free(ident_buf);
+}
+
+int syslog_fixup_facility(int priority) {
+
+        if ((priority & LOG_FACMASK) == 0)
+                return (priority & LOG_PRIMASK) | LOG_USER;
+
+        return priority;
+}
+
+size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid) {
+        const char *p;
+        char *t;
+        size_t l, e;
+
+        assert(buf);
+        assert(identifier);
+        assert(pid);
+
+        p = *buf;
+
+        p += strspn(p, WHITESPACE);
+        l = strcspn(p, WHITESPACE);
+
+        if (l <= 0 ||
+            p[l-1] != ':')
+                return 0;
+
+        e = l;
+        l--;
+
+        if (p[l-1] == ']') {
+                size_t k = l-1;
+
+                for (;;) {
+
+                        if (p[k] == '[') {
+                                t = strndup(p+k+1, l-k-2);
+                                if (t)
+                                        *pid = t;
+
+                                l = k;
+                                break;
+                        }
+
+                        if (k == 0)
+                                break;
+
+                        k--;
+                }
+        }
+
+        t = strndup(p, l);
+        if (t)
+                *identifier = t;
+
+        if (strchr(WHITESPACE, p[e]))
+                e++;
+        *buf = p + e;
+        return e;
+}
+
+static void syslog_skip_date(char **buf) {
+        enum {
+                LETTER,
+                SPACE,
+                NUMBER,
+                SPACE_OR_NUMBER,
+                COLON
+        } sequence[] = {
+                LETTER, LETTER, LETTER,
+                SPACE,
+                SPACE_OR_NUMBER, NUMBER,
+                SPACE,
+                SPACE_OR_NUMBER, NUMBER,
+                COLON,
+                SPACE_OR_NUMBER, NUMBER,
+                COLON,
+                SPACE_OR_NUMBER, NUMBER,
+                SPACE
+        };
+
+        char *p;
+        unsigned i;
+
+        assert(buf);
+        assert(*buf);
+
+        p = *buf;
+
+        for (i = 0; i < ELEMENTSOF(sequence); i++, p++) {
+
+                if (!*p)
+                        return;
+
+                switch (sequence[i]) {
+
+                case SPACE:
+                        if (*p != ' ')
+                                return;
+                        break;
+
+                case SPACE_OR_NUMBER:
+                        if (*p == ' ')
+                                break;
+
+                        /* fall through */
+
+                case NUMBER:
+                        if (*p < '0' || *p > '9')
+                                return;
+
+                        break;
+
+                case LETTER:
+                        if (!(*p >= 'A' && *p <= 'Z') &&
+                            !(*p >= 'a' && *p <= 'z'))
+                                return;
+
+                        break;
+
+                case COLON:
+                        if (*p != ':')
+                                return;
+                        break;
+
+                }
+        }
+
+        *buf = p;
+}
+
+void server_process_syslog_message(
+                Server *s,
+                const char *buf,
+                const struct ucred *ucred,
+                const struct timeval *tv,
+                const char *label,
+                size_t label_len) {
+
+        char syslog_priority[sizeof("PRIORITY=") + DECIMAL_STR_MAX(int)],
+             syslog_facility[sizeof("SYSLOG_FACILITY=") + DECIMAL_STR_MAX(int)];
+        const char *message = NULL, *syslog_identifier = NULL, *syslog_pid = NULL;
+        struct iovec iovec[N_IOVEC_META_FIELDS + 6];
+        unsigned n = 0;
+        int priority = LOG_USER | LOG_INFO;
+        _cleanup_free_ char *identifier = NULL, *pid = NULL;
+        const char *orig;
+
+        assert(s);
+        assert(buf);
+
+        orig = buf;
+        syslog_parse_priority(&buf, &priority, true);
+
+        if (s->forward_to_syslog)
+                forward_syslog_raw(s, priority, orig, ucred, tv);
+
+        syslog_skip_date((char**) &buf);
+        syslog_parse_identifier(&buf, &identifier, &pid);
+
+        if (s->forward_to_kmsg)
+                server_forward_kmsg(s, priority, identifier, buf, ucred);
+
+        if (s->forward_to_console)
+                server_forward_console(s, priority, identifier, buf, ucred);
+
+        if (s->forward_to_wall)
+                server_forward_wall(s, priority, identifier, buf, ucred);
+
+        IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=syslog");
+
+        xsprintf(syslog_priority, "PRIORITY=%i", priority & LOG_PRIMASK);
+        IOVEC_SET_STRING(iovec[n++], syslog_priority);
+
+        if (priority & LOG_FACMASK) {
+                xsprintf(syslog_facility, "SYSLOG_FACILITY=%i", LOG_FAC(priority));
+                IOVEC_SET_STRING(iovec[n++], syslog_facility);
+        }
+
+        if (identifier) {
+                syslog_identifier = strjoina("SYSLOG_IDENTIFIER=", identifier);
+                IOVEC_SET_STRING(iovec[n++], syslog_identifier);
+        }
+
+        if (pid) {
+                syslog_pid = strjoina("SYSLOG_PID=", pid);
+                IOVEC_SET_STRING(iovec[n++], syslog_pid);
+        }
+
+        message = strjoina("MESSAGE=", buf);
+        if (message)
+                IOVEC_SET_STRING(iovec[n++], message);
+
+        server_dispatch_message(s, iovec, n, ELEMENTSOF(iovec), ucred, tv, label, label_len, NULL, priority, 0);
+}
+
+int server_open_syslog_socket(Server *s) {
+
+        static const union sockaddr_union sa = {
+                .un.sun_family = AF_UNIX,
+                .un.sun_path = "/run/systemd/journal/dev-log",
+        };
+        static const int one = 1;
+        int r;
+
+        assert(s);
+
+        if (s->syslog_fd < 0) {
+                s->syslog_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
+                if (s->syslog_fd < 0)
+                        return log_error_errno(errno, "socket() failed: %m");
+
+                (void) unlink(sa.un.sun_path);
+
+                r = bind(s->syslog_fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
+                if (r < 0)
+                        return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
+
+                (void) chmod(sa.un.sun_path, 0666);
+        } else
+                fd_nonblock(s->syslog_fd, 1);
+
+        r = setsockopt(s->syslog_fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
+        if (r < 0)
+                return log_error_errno(errno, "SO_PASSCRED failed: %m");
+
+#ifdef HAVE_SELINUX
+        if (mac_selinux_have()) {
+                r = setsockopt(s->syslog_fd, SOL_SOCKET, SO_PASSSEC, &one, sizeof(one));
+                if (r < 0)
+                        log_warning_errno(errno, "SO_PASSSEC failed: %m");
+        }
+#endif
+
+        r = setsockopt(s->syslog_fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one));
+        if (r < 0)
+                return log_error_errno(errno, "SO_TIMESTAMP failed: %m");
+
+        r = sd_event_add_io(s->event, &s->syslog_event_source, s->syslog_fd, EPOLLIN, server_process_datagram, s);
+        if (r < 0)
+                return log_error_errno(r, "Failed to add syslog server fd to event loop: %m");
+
+        r = sd_event_source_set_priority(s->syslog_event_source, SD_EVENT_PRIORITY_NORMAL+5);
+        if (r < 0)
+                return log_error_errno(r, "Failed to adjust syslog event source priority: %m");
+
+        return 0;
+}
+
+void server_maybe_warn_forward_syslog_missed(Server *s) {
+        usec_t n;
+
+        assert(s);
+
+        if (s->n_forward_syslog_missed <= 0)
+                return;
+
+        n = now(CLOCK_MONOTONIC);
+        if (s->last_warn_forward_syslog_missed + WARN_FORWARD_SYSLOG_MISSED_USEC > n)
+                return;
+
+        server_driver_message(s, SD_MESSAGE_FORWARD_SYSLOG_MISSED,
+                              LOG_MESSAGE("Forwarding to syslog missed %u messages.",
+                                          s->n_forward_syslog_missed),
+                              NULL);
+
+        s->n_forward_syslog_missed = 0;
+        s->last_warn_forward_syslog_missed = n;
+}
diff --git a/src/grp-journal/libjournal-core/journald-syslog.h b/src/grp-journal/libjournal-core/journald-syslog.h
new file mode 100644
index 0000000000..46ad715314
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-syslog.h
@@ -0,0 +1,33 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+
+int syslog_fixup_facility(int priority) _const_;
+
+size_t syslog_parse_identifier(const char **buf, char **identifier, char **pid);
+
+void server_forward_syslog(Server *s, int priority, const char *identifier, const char *message, const struct ucred *ucred, const struct timeval *tv);
+
+void server_process_syslog_message(Server *s, const char *buf, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len);
+int server_open_syslog_socket(Server *s);
+
+void server_maybe_warn_forward_syslog_missed(Server *s);
diff --git a/src/grp-journal/libjournal-core/journald-wall.c b/src/grp-journal/libjournal-core/journald-wall.c
new file mode 100644
index 0000000000..4d91fafffe
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-wall.c
@@ -0,0 +1,71 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Sebastian Thorarensen
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "formats-util.h"
+#include "journald-server.h"
+#include "journald-wall.h"
+#include "process-util.h"
+#include "string-util.h"
+#include "utmp-wtmp.h"
+
+void server_forward_wall(
+                Server *s,
+                int priority,
+                const char *identifier,
+                const char *message,
+                const struct ucred *ucred) {
+
+        _cleanup_free_ char *ident_buf = NULL, *l_buf = NULL;
+        const char *l;
+        int r;
+
+        assert(s);
+        assert(message);
+
+        if (LOG_PRI(priority) > s->max_level_wall)
+                return;
+
+        if (ucred) {
+                if (!identifier) {
+                        get_process_comm(ucred->pid, &ident_buf);
+                        identifier = ident_buf;
+                }
+
+                if (asprintf(&l_buf, "%s["PID_FMT"]: %s", strempty(identifier), ucred->pid, message) < 0) {
+                        log_oom();
+                        return;
+                }
+
+                l = l_buf;
+
+        } else if (identifier) {
+
+                l = l_buf = strjoin(identifier, ": ", message, NULL);
+                if (!l_buf) {
+                        log_oom();
+                        return;
+                }
+        } else
+                l = message;
+
+        r = utmp_wall(l, "systemd-journald", NULL, NULL, NULL);
+        if (r < 0)
+                log_debug_errno(r, "Failed to send wall message: %m");
+}
diff --git a/src/grp-journal/libjournal-core/journald-wall.h b/src/grp-journal/libjournal-core/journald-wall.h
new file mode 100644
index 0000000000..ebc2b89fa8
--- /dev/null
+++ b/src/grp-journal/libjournal-core/journald-wall.h
@@ -0,0 +1,24 @@
+#pragma once
+
+/***
+  This file is part of systemd.
+
+  Copyright 2014 Sebastian Thorarensen
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "journald-server.h"
+
+void server_forward_wall(Server *s, int priority, const char *identifier, const char *message, const struct ucred *ucred);
diff --git a/src/grp-journal/libjournal-core/test-audit-type.c b/src/grp-journal/libjournal-core/test-audit-type.c
new file mode 100644
index 0000000000..88a2e6d9d9
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-audit-type.c
@@ -0,0 +1,42 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2015 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+#include <linux/audit.h>
+
+#include "audit-type.h"
+
+static void print_audit_label(int i) {
+        const char *name;
+
+        name = audit_type_name_alloca(i);
+        /* This is a separate function only because of alloca */
+        printf("%i → %s → %s\n", i, audit_type_to_string(i), name);
+}
+
+static void test_audit_type(void) {
+        int i;
+
+        for (i = 0; i <= AUDIT_KERNEL; i++)
+                print_audit_label(i);
+}
+
+int main(int argc, char **argv) {
+        test_audit_type();
+}
diff --git a/src/grp-journal/libjournal-core/test-catalog.c b/src/grp-journal/libjournal-core/test-catalog.c
new file mode 100644
index 0000000000..f939fcdc2a
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-catalog.c
@@ -0,0 +1,264 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <fcntl.h>
+#include <locale.h>
+#include <unistd.h>
+
+#include <systemd/sd-messages.h>
+
+#include "alloc-util.h"
+#include "catalog.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "log.h"
+#include "macro.h"
+#include "string-util.h"
+#include "util.h"
+
+static const char *catalog_dirs[] = {
+        CATALOG_DIR,
+        NULL,
+};
+
+static const char *no_catalog_dirs[] = {
+        "/bin/hopefully/with/no/catalog",
+        NULL
+};
+
+static Hashmap * test_import(const char* contents, ssize_t size, int code) {
+        int r;
+        char name[] = "/tmp/test-catalog.XXXXXX";
+        _cleanup_close_ int fd;
+        Hashmap *h;
+
+        if (size < 0)
+                size = strlen(contents);
+
+        assert_se(h = hashmap_new(&catalog_hash_ops));
+
+        fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+        assert_se(write(fd, contents, size) == size);
+
+        r = catalog_import_file(h, name);
+        assert_se(r == code);
+
+        unlink(name);
+
+        return h;
+}
+
+static void test_catalog_import_invalid(void) {
+        _cleanup_hashmap_free_free_free_ Hashmap *h = NULL;
+
+        h = test_import("xxx", -1, -EINVAL);
+        assert_se(hashmap_isempty(h));
+}
+
+static void test_catalog_import_badid(void) {
+        _cleanup_hashmap_free_free_free_ Hashmap *h = NULL;
+        const char *input =
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededede\n" \
+"Subject: message\n" \
+"\n" \
+"payload\n";
+        h = test_import(input, -1, -EINVAL);
+}
+
+static void test_catalog_import_one(void) {
+        _cleanup_hashmap_free_free_free_ Hashmap *h = NULL;
+        char *payload;
+        Iterator j;
+
+        const char *input =
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededed\n" \
+"Subject: message\n" \
+"\n" \
+"payload\n";
+        const char *expect =
+"Subject: message\n" \
+"\n" \
+"payload\n";
+
+        h = test_import(input, -1, 0);
+        assert_se(hashmap_size(h) == 1);
+
+        HASHMAP_FOREACH(payload, h, j) {
+                printf("expect: %s\n", expect);
+                printf("actual: %s\n", payload);
+                assert_se(streq(expect, payload));
+        }
+}
+
+static void test_catalog_import_merge(void) {
+        _cleanup_hashmap_free_free_free_ Hashmap *h = NULL;
+        char *payload;
+        Iterator j;
+
+        const char *input =
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededed\n" \
+"Subject: message\n" \
+"Defined-By: me\n" \
+"\n" \
+"payload\n" \
+"\n" \
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededed\n" \
+"Subject: override subject\n" \
+"X-Header: hello\n" \
+"\n" \
+"override payload\n";
+
+        const char *combined =
+"Subject: override subject\n" \
+"X-Header: hello\n" \
+"Subject: message\n" \
+"Defined-By: me\n" \
+"\n" \
+"override payload\n";
+
+        h = test_import(input, -1, 0);
+        assert_se(hashmap_size(h) == 1);
+
+        HASHMAP_FOREACH(payload, h, j) {
+                assert_se(streq(combined, payload));
+        }
+}
+
+static void test_catalog_import_merge_no_body(void) {
+        _cleanup_hashmap_free_free_free_ Hashmap *h = NULL;
+        char *payload;
+        Iterator j;
+
+        const char *input =
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededed\n" \
+"Subject: message\n" \
+"Defined-By: me\n" \
+"\n" \
+"payload\n" \
+"\n" \
+"-- 0027229ca0644181a76c4e92458afaff dededededededededededededededed\n" \
+"Subject: override subject\n" \
+"X-Header: hello\n" \
+"\n";
+
+        const char *combined =
+"Subject: override subject\n" \
+"X-Header: hello\n" \
+"Subject: message\n" \
+"Defined-By: me\n" \
+"\n" \
+"payload\n";
+
+        h = test_import(input, -1, 0);
+        assert_se(hashmap_size(h) == 1);
+
+        HASHMAP_FOREACH(payload, h, j) {
+                assert_se(streq(combined, payload));
+        }
+}
+
+static const char* database = NULL;
+
+static void test_catalog_update(void) {
+        static char name[] = "/tmp/test-catalog.XXXXXX";
+        int r;
+
+        r = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
+        assert_se(r >= 0);
+
+        database = name;
+
+        /* Test what happens if there are no files. */
+        r = catalog_update(database, NULL, NULL);
+        assert_se(r >= 0);
+
+        /* Test what happens if there are no files in the directory. */
+        r = catalog_update(database, NULL, no_catalog_dirs);
+        assert_se(r >= 0);
+
+        /* Make sure that we at least have some files loaded or the
+           catalog_list below will fail. */
+        r = catalog_update(database, NULL, catalog_dirs);
+        assert_se(r >= 0);
+}
+
+static void test_catalog_file_lang(void) {
+        _cleanup_free_ char *lang = NULL, *lang2 = NULL, *lang3 = NULL, *lang4 = NULL;
+
+        assert_se(catalog_file_lang("systemd.de_DE.catalog", &lang) == 1);
+        assert_se(streq(lang, "de_DE"));
+
+        assert_se(catalog_file_lang("systemd..catalog", &lang2) == 0);
+        assert_se(lang2 == NULL);
+
+        assert_se(catalog_file_lang("systemd.fr.catalog", &lang2) == 1);
+        assert_se(streq(lang2, "fr"));
+
+        assert_se(catalog_file_lang("systemd.fr.catalog.gz", &lang3) == 0);
+        assert_se(lang3 == NULL);
+
+        assert_se(catalog_file_lang("systemd.01234567890123456789012345678901.catalog", &lang3) == 0);
+        assert_se(lang3 == NULL);
+
+        assert_se(catalog_file_lang("systemd.0123456789012345678901234567890.catalog", &lang3) == 1);
+        assert_se(streq(lang3, "0123456789012345678901234567890"));
+
+        assert_se(catalog_file_lang("/x/y/systemd.catalog", &lang4) == 0);
+        assert_se(lang4 == NULL);
+
+        assert_se(catalog_file_lang("/x/y/systemd.ru_RU.catalog", &lang4) == 1);
+        assert_se(streq(lang4, "ru_RU"));
+}
+
+int main(int argc, char *argv[]) {
+        _cleanup_free_ char *text = NULL;
+        int r;
+
+        setlocale(LC_ALL, "de_DE.UTF-8");
+
+        log_parse_environment();
+        log_open();
+
+        test_catalog_file_lang();
+
+        test_catalog_import_invalid();
+        test_catalog_import_badid();
+        test_catalog_import_one();
+        test_catalog_import_merge();
+        test_catalog_import_merge_no_body();
+
+        test_catalog_update();
+
+        r = catalog_list(stdout, database, true);
+        assert_se(r >= 0);
+
+        r = catalog_list(stdout, database, false);
+        assert_se(r >= 0);
+
+        assert_se(catalog_get(database, SD_MESSAGE_COREDUMP, &text) >= 0);
+        printf(">>>%s<<<\n", text);
+
+        if (database)
+                unlink(database);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-compress-benchmark.c b/src/grp-journal/libjournal-core/test-compress-benchmark.c
new file mode 100644
index 0000000000..6f6d71435d
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-compress-benchmark.c
@@ -0,0 +1,180 @@
+/***
+  This file is part of systemd
+
+  Copyright 2014 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "compress.h"
+#include "macro.h"
+#include "parse-util.h"
+#include "random-util.h"
+#include "string-util.h"
+#include "util.h"
+
+typedef int (compress_t)(const void *src, uint64_t src_size, void *dst,
+                         size_t dst_alloc_size, size_t *dst_size);
+typedef int (decompress_t)(const void *src, uint64_t src_size,
+                           void **dst, size_t *dst_alloc_size, size_t* dst_size, size_t dst_max);
+
+static usec_t arg_duration = 2 * USEC_PER_SEC;
+static size_t arg_start;
+
+#define MAX_SIZE (1024*1024LU)
+#define PRIME 1048571  /* A prime close enough to one megabyte that mod 4 == 3 */
+
+static size_t _permute(size_t x) {
+        size_t residue;
+
+        if (x >= PRIME)
+                return x;
+
+        residue = x*x % PRIME;
+        if (x <= PRIME / 2)
+                return residue;
+        else
+                return PRIME - residue;
+}
+
+static size_t permute(size_t x) {
+        return _permute((_permute(x) + arg_start) % MAX_SIZE ^ 0xFF345);
+}
+
+static char* make_buf(size_t count, const char *type) {
+        char *buf;
+        size_t i;
+
+        buf = malloc(count);
+        assert_se(buf);
+
+        if (streq(type, "zeros"))
+                memzero(buf, count);
+        else if (streq(type, "simple"))
+                for (i = 0; i < count; i++)
+                        buf[i] = 'a' + i % ('z' - 'a' + 1);
+        else if (streq(type, "random")) {
+                size_t step = count / 10;
+
+                random_bytes(buf, step);
+                memzero(buf + 1*step, step);
+                random_bytes(buf + 2*step, step);
+                memzero(buf + 3*step, step);
+                random_bytes(buf + 4*step, step);
+                memzero(buf + 5*step, step);
+                random_bytes(buf + 6*step, step);
+                memzero(buf + 7*step, step);
+                random_bytes(buf + 8*step, step);
+                memzero(buf + 9*step, step);
+        } else
+                assert_not_reached("here");
+
+        return buf;
+}
+
+static void test_compress_decompress(const char* label, const char* type,
+                                     compress_t compress, decompress_t decompress) {
+        usec_t n, n2 = 0;
+        float dt;
+
+        _cleanup_free_ char *text, *buf;
+        _cleanup_free_ void *buf2 = NULL;
+        size_t buf2_allocated = 0;
+        size_t skipped = 0, compressed = 0, total = 0;
+
+        text = make_buf(MAX_SIZE, type);
+        buf = calloc(MAX_SIZE + 1, 1);
+        assert_se(text && buf);
+
+        n = now(CLOCK_MONOTONIC);
+
+        for (size_t i = 0; i <= MAX_SIZE; i++) {
+                size_t j = 0, k = 0, size;
+                int r;
+
+                size = permute(i);
+                if (size == 0)
+                        continue;
+
+                log_debug("%s %zu %zu", type, i, size);
+
+                memzero(buf, MIN(size + 1000, MAX_SIZE));
+
+                r = compress(text, size, buf, size, &j);
+                /* assume compression must be successful except for small or random inputs */
+                assert_se(r == 0 || (size < 2048 && r == -ENOBUFS) || streq(type, "random"));
+
+                /* check for overwrites */
+                assert_se(buf[size] == 0);
+                if (r != 0) {
+                        skipped += size;
+                        continue;
+                }
+
+                assert_se(j > 0);
+                if (j >= size)
+                        log_error("%s \"compressed\" %zu -> %zu", label, size, j);
+
+                r = decompress(buf, j, &buf2, &buf2_allocated, &k, 0);
+                assert_se(r == 0);
+                assert_se(buf2_allocated >= k);
+                assert_se(k == size);
+
+                assert_se(memcmp(text, buf2, size) == 0);
+
+                total += size;
+                compressed += j;
+
+                n2 = now(CLOCK_MONOTONIC);
+                if (n2 - n > arg_duration)
+                        break;
+        }
+
+        dt = (n2-n) / 1e6;
+
+        log_info("%s/%s: compressed & decompressed %zu bytes in %.2fs (%.2fMiB/s), "
+                 "mean compresion %.2f%%, skipped %zu bytes",
+                 label, type, total, dt,
+                 total / 1024. / 1024 / dt,
+                 100 - compressed * 100. / total,
+                 skipped);
+}
+
+int main(int argc, char *argv[]) {
+        const char *i;
+
+        log_set_max_level(LOG_INFO);
+
+        if (argc >= 2) {
+                unsigned x;
+
+                assert_se(safe_atou(argv[1], &x) >= 0);
+                arg_duration = x * USEC_PER_SEC;
+        }
+        if (argc == 3)
+                (void) safe_atozu(argv[2], &arg_start);
+        else
+                arg_start = getpid();
+
+        NULSTR_FOREACH(i, "zeros\0simple\0random\0") {
+#ifdef HAVE_XZ
+                test_compress_decompress("XZ", i, compress_blob_xz, decompress_blob_xz);
+#endif
+#ifdef HAVE_LZ4
+                test_compress_decompress("LZ4", i, compress_blob_lz4, decompress_blob_lz4);
+#endif
+        }
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-compress.c b/src/grp-journal/libjournal-core/test-compress.c
new file mode 100644
index 0000000000..68c9a4d76c
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-compress.c
@@ -0,0 +1,308 @@
+/***
+  This file is part of systemd
+
+  Copyright 2014 Ronny Chevalier
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_LZ4
+#include <lz4.h>
+#endif
+
+#include "alloc-util.h"
+#include "compress.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "macro.h"
+#include "random-util.h"
+#include "util.h"
+
+#ifdef HAVE_XZ
+# define XZ_OK 0
+#else
+# define XZ_OK -EPROTONOSUPPORT
+#endif
+
+#ifdef HAVE_LZ4
+# define LZ4_OK 0
+#else
+# define LZ4_OK -EPROTONOSUPPORT
+#endif
+
+typedef int (compress_blob_t)(const void *src, uint64_t src_size,
+                              void *dst, size_t dst_alloc_size, size_t *dst_size);
+typedef int (decompress_blob_t)(const void *src, uint64_t src_size,
+                                void **dst, size_t *dst_alloc_size,
+                                size_t* dst_size, size_t dst_max);
+typedef int (decompress_sw_t)(const void *src, uint64_t src_size,
+                              void **buffer, size_t *buffer_size,
+                              const void *prefix, size_t prefix_len,
+                              uint8_t extra);
+
+typedef int (compress_stream_t)(int fdf, int fdt, uint64_t max_bytes);
+typedef int (decompress_stream_t)(int fdf, int fdt, uint64_t max_size);
+
+static void test_compress_decompress(int compression,
+                                     compress_blob_t compress,
+                                     decompress_blob_t decompress,
+                                     const char *data,
+                                     size_t data_len,
+                                     bool may_fail) {
+        char compressed[512];
+        size_t csize, usize = 0;
+        _cleanup_free_ char *decompressed = NULL;
+        int r;
+
+        log_info("/* testing %s %s blob compression/decompression */",
+                 object_compressed_to_string(compression), data);
+
+        r = compress(data, data_len, compressed, sizeof(compressed), &csize);
+        if (r == -ENOBUFS) {
+                log_info_errno(r, "compression failed: %m");
+                assert_se(may_fail);
+        } else {
+                assert_se(r == 0);
+                r = decompress(compressed, csize,
+                               (void **) &decompressed, &usize, &csize, 0);
+                assert_se(r == 0);
+                assert_se(decompressed);
+                assert_se(memcmp(decompressed, data, data_len) == 0);
+        }
+
+        r = decompress("garbage", 7,
+                       (void **) &decompressed, &usize, &csize, 0);
+        assert_se(r < 0);
+
+        /* make sure to have the minimal lz4 compressed size */
+        r = decompress("00000000\1g", 9,
+                       (void **) &decompressed, &usize, &csize, 0);
+        assert_se(r < 0);
+
+        r = decompress("\100000000g", 9,
+                       (void **) &decompressed, &usize, &csize, 0);
+        assert_se(r < 0);
+
+        memzero(decompressed, usize);
+}
+
+static void test_decompress_startswith(int compression,
+                                       compress_blob_t compress,
+                                       decompress_sw_t decompress_sw,
+                                       const char *data,
+                                       size_t data_len,
+                                       bool may_fail) {
+
+        char *compressed;
+        _cleanup_free_ char *compressed1 = NULL, *compressed2 = NULL, *decompressed = NULL;
+        size_t csize, usize = 0, len;
+        int r;
+
+        log_info("/* testing decompress_startswith with %s on %.20s text*/",
+                 object_compressed_to_string(compression), data);
+
+#define BUFSIZE_1 512
+#define BUFSIZE_2 20000
+
+        compressed = compressed1 = malloc(BUFSIZE_1);
+        assert_se(compressed1);
+        r = compress(data, data_len, compressed, BUFSIZE_1, &csize);
+        if (r == -ENOBUFS) {
+                log_info_errno(r, "compression failed: %m");
+                assert_se(may_fail);
+
+                compressed = compressed2 = malloc(BUFSIZE_2);
+                assert_se(compressed2);
+                r = compress(data, data_len, compressed, BUFSIZE_2, &csize);
+                assert(r == 0);
+        }
+        assert_se(r == 0);
+
+        len = strlen(data);
+
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
+        assert_se(r > 0);
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, 'w');
+        assert_se(r == 0);
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, "barbarbar", 9, ' ');
+        assert_se(r == 0);
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, data[len-1]);
+        assert_se(r > 0);
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len - 1, 'w');
+        assert_se(r == 0);
+        r = decompress_sw(compressed, csize, (void **) &decompressed, &usize, data, len, '\0');
+        assert_se(r > 0);
+}
+
+static void test_compress_stream(int compression,
+                                 const char* cat,
+                                 compress_stream_t compress,
+                                 decompress_stream_t decompress,
+                                 const char *srcfile) {
+
+        _cleanup_close_ int src = -1, dst = -1, dst2 = -1;
+        char pattern[] = "/tmp/systemd-test.compressed.XXXXXX",
+             pattern2[] = "/tmp/systemd-test.compressed.XXXXXX";
+        int r;
+        _cleanup_free_ char *cmd = NULL, *cmd2;
+        struct stat st = {};
+
+        log_debug("/* testing %s compression */",
+                  object_compressed_to_string(compression));
+
+        log_debug("/* create source from %s */", srcfile);
+
+        assert_se((src = open(srcfile, O_RDONLY|O_CLOEXEC)) >= 0);
+
+        log_debug("/* test compression */");
+
+        assert_se((dst = mkostemp_safe(pattern, O_RDWR|O_CLOEXEC)) >= 0);
+
+        assert_se(compress(src, dst, -1) == 0);
+
+        if (cat) {
+                assert_se(asprintf(&cmd, "%s %s | diff %s -", cat, pattern, srcfile) > 0);
+                assert_se(system(cmd) == 0);
+        }
+
+        log_debug("/* test decompression */");
+
+        assert_se((dst2 = mkostemp_safe(pattern2, O_RDWR|O_CLOEXEC)) >= 0);
+
+        assert_se(stat(srcfile, &st) == 0);
+
+        assert_se(lseek(dst, 0, SEEK_SET) == 0);
+        r = decompress(dst, dst2, st.st_size);
+        assert_se(r == 0);
+
+        assert_se(asprintf(&cmd2, "diff %s %s", srcfile, pattern2) > 0);
+        assert_se(system(cmd2) == 0);
+
+        log_debug("/* test faulty decompression */");
+
+        assert_se(lseek(dst, 1, SEEK_SET) == 1);
+        r = decompress(dst, dst2, st.st_size);
+        assert_se(r == -EBADMSG || r == 0);
+
+        assert_se(lseek(dst, 0, SEEK_SET) == 0);
+        assert_se(lseek(dst2, 0, SEEK_SET) == 0);
+        r = decompress(dst, dst2, st.st_size - 1);
+        assert_se(r == -EFBIG);
+
+        assert_se(unlink(pattern) == 0);
+        assert_se(unlink(pattern2) == 0);
+}
+
+#ifdef HAVE_LZ4
+static void test_lz4_decompress_partial(void) {
+        char buf[20000];
+        size_t buf_size = sizeof(buf), compressed;
+        int r;
+        _cleanup_free_ char *huge = NULL;
+
+#define HUGE_SIZE (4096*1024)
+        huge = malloc(HUGE_SIZE);
+        memset(huge, 'x', HUGE_SIZE);
+        memcpy(huge, "HUGE=", 5);
+
+        r = LZ4_compress_limitedOutput(huge, buf, HUGE_SIZE, buf_size);
+        assert_se(r >= 0);
+        compressed = r;
+        log_info("Compressed %i → %zu", HUGE_SIZE, compressed);
+
+        r = LZ4_decompress_safe(buf, huge, r, HUGE_SIZE);
+        assert_se(r >= 0);
+        log_info("Decompressed → %i", r);
+
+        r = LZ4_decompress_safe_partial(buf, huge,
+                                        compressed,
+                                        12, HUGE_SIZE);
+        assert_se(r >= 0);
+        log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE, r);
+
+        /* We expect this to fail, because that's how current lz4 works. If this
+         * call succeeds, then lz4 has been fixed, and we need to change our code.
+         */
+        r = LZ4_decompress_safe_partial(buf, huge,
+                                        compressed,
+                                        12, HUGE_SIZE-1);
+        assert_se(r < 0);
+        log_info("Decompressed partial %i/%i → %i", 12, HUGE_SIZE-1, r);
+}
+#endif
+
+int main(int argc, char *argv[]) {
+        const char text[] =
+                "text\0foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF"
+                "foofoofoofoo AAAA aaaaaaaaa ghost busters barbarbar FFF";
+
+        char data[512] = "random\0";
+
+        char huge[4096*1024];
+        memset(huge, 'x', sizeof(huge));
+        memcpy(huge, "HUGE=", 5);
+        char_array_0(huge);
+
+        log_set_max_level(LOG_DEBUG);
+
+        random_bytes(data + 7, sizeof(data) - 7);
+
+#ifdef HAVE_XZ
+        test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
+                                 text, sizeof(text), false);
+        test_compress_decompress(OBJECT_COMPRESSED_XZ, compress_blob_xz, decompress_blob_xz,
+                                 data, sizeof(data), true);
+
+        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
+                                   compress_blob_xz, decompress_startswith_xz,
+                                   text, sizeof(text), false);
+        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
+                                   compress_blob_xz, decompress_startswith_xz,
+                                   data, sizeof(data), true);
+        test_decompress_startswith(OBJECT_COMPRESSED_XZ,
+                                   compress_blob_xz, decompress_startswith_xz,
+                                   huge, sizeof(huge), true);
+
+        test_compress_stream(OBJECT_COMPRESSED_XZ, "xzcat",
+                             compress_stream_xz, decompress_stream_xz, argv[0]);
+#else
+        log_info("/* XZ test skipped */");
+#endif
+
+#ifdef HAVE_LZ4
+        test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
+                                 text, sizeof(text), false);
+        test_compress_decompress(OBJECT_COMPRESSED_LZ4, compress_blob_lz4, decompress_blob_lz4,
+                                 data, sizeof(data), true);
+
+        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
+                                   compress_blob_lz4, decompress_startswith_lz4,
+                                   text, sizeof(text), false);
+        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
+                                   compress_blob_lz4, decompress_startswith_lz4,
+                                   data, sizeof(data), true);
+        test_decompress_startswith(OBJECT_COMPRESSED_LZ4,
+                                   compress_blob_lz4, decompress_startswith_lz4,
+                                   huge, sizeof(huge), true);
+
+        test_compress_stream(OBJECT_COMPRESSED_LZ4, "lz4cat",
+                             compress_stream_lz4, decompress_stream_lz4, argv[0]);
+
+        test_lz4_decompress_partial();
+#else
+        log_info("/* LZ4 test skipped */");
+#endif
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-enum.c b/src/grp-journal/libjournal-core/test-journal-enum.c
new file mode 100644
index 0000000000..54df59f477
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-enum.c
@@ -0,0 +1,53 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+
+#include <systemd/sd-journal.h>
+
+#include "journal-internal.h"
+#include "log.h"
+#include "macro.h"
+
+int main(int argc, char *argv[]) {
+        unsigned n = 0;
+        _cleanup_(sd_journal_closep) sd_journal*j = NULL;
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY) >= 0);
+
+        assert_se(sd_journal_add_match(j, "_TRANSPORT=syslog", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "_UID=0", 0) >= 0);
+
+        SD_JOURNAL_FOREACH_BACKWARDS(j) {
+                const void *d;
+                size_t l;
+
+                assert_se(sd_journal_get_data(j, "MESSAGE", &d, &l) >= 0);
+
+                printf("%.*s\n", (int) l, (char*) d);
+
+                n++;
+                if (n >= 10)
+                        break;
+        }
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-flush.c b/src/grp-journal/libjournal-core/test-journal-flush.c
new file mode 100644
index 0000000000..7e9814f8fa
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-flush.c
@@ -0,0 +1,75 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+
+#include <systemd/sd-journal.h>
+
+#include "alloc-util.h"
+#include "journal-file.h"
+#include "journal-internal.h"
+#include "macro.h"
+#include "string-util.h"
+
+int main(int argc, char *argv[]) {
+        _cleanup_free_ char *fn = NULL;
+        char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
+        JournalFile *new_journal = NULL;
+        sd_journal *j = NULL;
+        unsigned n = 0;
+        int r;
+
+        assert_se(mkdtemp(dn));
+        fn = strappend(dn, "/test.journal");
+
+        r = journal_file_open(-1, fn, O_CREAT|O_RDWR, 0644, false, false, NULL, NULL, NULL, NULL, &new_journal);
+        assert_se(r >= 0);
+
+        r = sd_journal_open(&j, 0);
+        assert_se(r >= 0);
+
+        sd_journal_set_data_threshold(j, 0);
+
+        SD_JOURNAL_FOREACH(j) {
+                Object *o;
+                JournalFile *f;
+
+                f = j->current_file;
+                assert_se(f && f->current_offset > 0);
+
+                r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
+                assert_se(r >= 0);
+
+                r = journal_file_copy_entry(f, new_journal, o, f->current_offset, NULL, NULL, NULL);
+                assert_se(r >= 0);
+
+                n++;
+                if (n > 10000)
+                        break;
+        }
+
+        sd_journal_close(j);
+
+        (void) journal_file_close(new_journal);
+
+        unlink(fn);
+        assert_se(rmdir(dn) == 0);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-init.c b/src/grp-journal/libjournal-core/test-journal-init.c
new file mode 100644
index 0000000000..e6713034dd
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-init.c
@@ -0,0 +1,64 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <systemd/sd-journal.h>
+
+#include "log.h"
+#include "parse-util.h"
+#include "rm-rf.h"
+#include "util.h"
+
+int main(int argc, char *argv[]) {
+        sd_journal *j;
+        int r, i, I = 100;
+        char t[] = "/tmp/journal-stream-XXXXXX";
+
+        log_set_max_level(LOG_DEBUG);
+
+        if (argc >= 2) {
+                r = safe_atoi(argv[1], &I);
+                if (r < 0)
+                        log_info("Could not parse loop count argument. Using default.");
+        }
+
+        log_info("Running %d loops", I);
+
+        assert_se(mkdtemp(t));
+
+        for (i = 0; i < I; i++) {
+                r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
+                assert_se(r == 0);
+
+                sd_journal_close(j);
+
+                r = sd_journal_open_directory(&j, t, 0);
+                assert_se(r == 0);
+
+                sd_journal_close(j);
+
+                j = NULL;
+                r = sd_journal_open_directory(&j, t, SD_JOURNAL_LOCAL_ONLY);
+                assert_se(r == -EINVAL);
+                assert_se(j == NULL);
+        }
+
+        assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-interleaving.c b/src/grp-journal/libjournal-core/test-journal-interleaving.c
new file mode 100644
index 0000000000..d09ef011a6
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-interleaving.c
@@ -0,0 +1,307 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2013 Marius Vollmer
+  Copyright 2013 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <systemd/sd-journal.h>
+
+#include "alloc-util.h"
+#include "journal-file.h"
+#include "journal-vacuum.h"
+#include "log.h"
+#include "parse-util.h"
+#include "rm-rf.h"
+#include "util.h"
+
+/* This program tests skipping around in a multi-file journal.
+ */
+
+static bool arg_keep = false;
+
+noreturn static void log_assert_errno(const char *text, int eno, const char *file, int line, const char *func) {
+        log_internal(LOG_CRIT, 0, file, line, func,
+                     "'%s' failed at %s:%u (%s): %s.",
+                     text, file, line, func, strerror(eno));
+        abort();
+}
+
+#define assert_ret(expr)                                                \
+        do {                                                            \
+                int _r_ = (expr);                                       \
+                if (_unlikely_(_r_ < 0))                                \
+                        log_assert_errno(#expr, -_r_, __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+        } while (false)
+
+static JournalFile *test_open(const char *name) {
+        JournalFile *f;
+        assert_ret(journal_file_open(-1, name, O_RDWR|O_CREAT, 0644, true, false, NULL, NULL, NULL, NULL, &f));
+        return f;
+}
+
+static void test_close(JournalFile *f) {
+        (void) journal_file_close (f);
+}
+
+static void append_number(JournalFile *f, int n, uint64_t *seqnum) {
+        char *p;
+        dual_timestamp ts;
+        static dual_timestamp previous_ts = {};
+        struct iovec iovec[1];
+
+        dual_timestamp_get(&ts);
+
+        if (ts.monotonic <= previous_ts.monotonic)
+                ts.monotonic = previous_ts.monotonic + 1;
+
+        if (ts.realtime <= previous_ts.realtime)
+                ts.realtime = previous_ts.realtime + 1;
+
+        previous_ts = ts;
+
+        assert_se(asprintf(&p, "NUMBER=%d", n) >= 0);
+        iovec[0].iov_base = p;
+        iovec[0].iov_len = strlen(p);
+        assert_ret(journal_file_append_entry(f, &ts, iovec, 1, seqnum, NULL, NULL));
+        free(p);
+}
+
+static void test_check_number (sd_journal *j, int n) {
+        const void *d;
+        _cleanup_free_ char *k;
+        size_t l;
+        int x;
+
+        assert_ret(sd_journal_get_data(j, "NUMBER", &d, &l));
+        assert_se(k = strndup(d, l));
+        printf("%s\n", k);
+
+        assert_se(safe_atoi(k + 7, &x) >= 0);
+        assert_se(n == x);
+}
+
+static void test_check_numbers_down (sd_journal *j, int count) {
+        int i;
+
+        for (i = 1; i <= count; i++) {
+                int r;
+                test_check_number(j, i);
+                assert_ret(r = sd_journal_next(j));
+                if (i == count)
+                        assert_se(r == 0);
+                else
+                        assert_se(r == 1);
+        }
+
+}
+
+static void test_check_numbers_up (sd_journal *j, int count) {
+        for (int i = count; i >= 1; i--) {
+                int r;
+                test_check_number(j, i);
+                assert_ret(r = sd_journal_previous(j));
+                if (i == 1)
+                        assert_se(r == 0);
+                else
+                        assert_se(r == 1);
+        }
+
+}
+
+static void setup_sequential(void) {
+        JournalFile *one, *two;
+        one = test_open("one.journal");
+        two = test_open("two.journal");
+        append_number(one, 1, NULL);
+        append_number(one, 2, NULL);
+        append_number(two, 3, NULL);
+        append_number(two, 4, NULL);
+        test_close(one);
+        test_close(two);
+}
+
+static void setup_interleaved(void) {
+        JournalFile *one, *two;
+        one = test_open("one.journal");
+        two = test_open("two.journal");
+        append_number(one, 1, NULL);
+        append_number(two, 2, NULL);
+        append_number(one, 3, NULL);
+        append_number(two, 4, NULL);
+        test_close(one);
+        test_close(two);
+}
+
+static void test_skip(void (*setup)(void)) {
+        char t[] = "/tmp/journal-skip-XXXXXX";
+        sd_journal *j;
+        int r;
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        setup();
+
+        /* Seek to head, iterate down.
+         */
+        assert_ret(sd_journal_open_directory(&j, t, 0));
+        assert_ret(sd_journal_seek_head(j));
+        assert_ret(sd_journal_next(j));
+        test_check_numbers_down(j, 4);
+        sd_journal_close(j);
+
+        /* Seek to tail, iterate up.
+         */
+        assert_ret(sd_journal_open_directory(&j, t, 0));
+        assert_ret(sd_journal_seek_tail(j));
+        assert_ret(sd_journal_previous(j));
+        test_check_numbers_up(j, 4);
+        sd_journal_close(j);
+
+        /* Seek to tail, skip to head, iterate down.
+         */
+        assert_ret(sd_journal_open_directory(&j, t, 0));
+        assert_ret(sd_journal_seek_tail(j));
+        assert_ret(r = sd_journal_previous_skip(j, 4));
+        assert_se(r == 4);
+        test_check_numbers_down(j, 4);
+        sd_journal_close(j);
+
+        /* Seek to head, skip to tail, iterate up.
+         */
+        assert_ret(sd_journal_open_directory(&j, t, 0));
+        assert_ret(sd_journal_seek_head(j));
+        assert_ret(r = sd_journal_next_skip(j, 4));
+        assert_se(r == 4);
+        test_check_numbers_up(j, 4);
+        sd_journal_close(j);
+
+        log_info("Done...");
+
+        if (arg_keep)
+                log_info("Not removing %s", t);
+        else {
+                journal_directory_vacuum(".", 3000000, 0, 0, NULL, true);
+
+                assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+        }
+
+        puts("------------------------------------------------------------");
+}
+
+static void test_sequence_numbers(void) {
+
+        char t[] = "/tmp/journal-seq-XXXXXX";
+        JournalFile *one, *two;
+        uint64_t seqnum = 0;
+        sd_id128_t seqnum_id;
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        assert_se(journal_file_open(-1, "one.journal", O_RDWR|O_CREAT, 0644,
+                                    true, false, NULL, NULL, NULL, NULL, &one) == 0);
+
+        append_number(one, 1, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 1);
+        append_number(one, 2, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 2);
+
+        assert_se(one->header->state == STATE_ONLINE);
+        assert_se(!sd_id128_equal(one->header->file_id, one->header->machine_id));
+        assert_se(!sd_id128_equal(one->header->file_id, one->header->boot_id));
+        assert_se(sd_id128_equal(one->header->file_id, one->header->seqnum_id));
+
+        memcpy(&seqnum_id, &one->header->seqnum_id, sizeof(sd_id128_t));
+
+        assert_se(journal_file_open(-1, "two.journal", O_RDWR|O_CREAT, 0644,
+                                    true, false, NULL, NULL, NULL, one, &two) == 0);
+
+        assert_se(two->header->state == STATE_ONLINE);
+        assert_se(!sd_id128_equal(two->header->file_id, one->header->file_id));
+        assert_se(sd_id128_equal(one->header->machine_id, one->header->machine_id));
+        assert_se(sd_id128_equal(one->header->boot_id, one->header->boot_id));
+        assert_se(sd_id128_equal(one->header->seqnum_id, one->header->seqnum_id));
+
+        append_number(two, 3, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 3);
+        append_number(two, 4, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 4);
+
+        test_close(two);
+
+        append_number(one, 5, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 5);
+
+        append_number(one, 6, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 6);
+
+        test_close(one);
+
+        /* restart server */
+        seqnum = 0;
+
+        assert_se(journal_file_open(-1, "two.journal", O_RDWR, 0,
+                                    true, false, NULL, NULL, NULL, NULL, &two) == 0);
+
+        assert_se(sd_id128_equal(two->header->seqnum_id, seqnum_id));
+
+        append_number(two, 7, &seqnum);
+        printf("seqnum=%"PRIu64"\n", seqnum);
+        assert_se(seqnum == 5);
+
+        /* So..., here we have the same seqnum in two files with the
+         * same seqnum_id. */
+
+        test_close(two);
+
+        log_info("Done...");
+
+        if (arg_keep)
+                log_info("Not removing %s", t);
+        else {
+                journal_directory_vacuum(".", 3000000, 0, 0, NULL, true);
+
+                assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+        }
+}
+
+int main(int argc, char *argv[]) {
+        log_set_max_level(LOG_DEBUG);
+
+        /* journal_file_open requires a valid machine id */
+        if (access("/etc/machine-id", F_OK) != 0)
+                return EXIT_TEST_SKIP;
+
+        arg_keep = argc > 1;
+
+        test_skip(setup_sequential);
+        test_skip(setup_interleaved);
+
+        test_sequence_numbers();
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-match.c b/src/grp-journal/libjournal-core/test-journal-match.c
new file mode 100644
index 0000000000..5ee2adb827
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-match.c
@@ -0,0 +1,76 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdio.h>
+
+#include <systemd/sd-journal.h>
+
+#include "alloc-util.h"
+#include "journal-internal.h"
+#include "log.h"
+#include "string-util.h"
+#include "util.h"
+
+int main(int argc, char *argv[]) {
+        _cleanup_(sd_journal_closep) sd_journal*j = NULL;
+        _cleanup_free_ char *t;
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(sd_journal_open(&j, 0) >= 0);
+
+        assert_se(sd_journal_add_match(j, "foobar", 0) < 0);
+        assert_se(sd_journal_add_match(j, "foobar=waldo", 0) < 0);
+        assert_se(sd_journal_add_match(j, "", 0) < 0);
+        assert_se(sd_journal_add_match(j, "=", 0) < 0);
+        assert_se(sd_journal_add_match(j, "=xxxxx", 0) < 0);
+        assert_se(sd_journal_add_match(j, "HALLO=WALDO", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "QUUX=mmmm", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "HALLO=", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "QUUX=yyyyy", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "PIFF=paff", 0) >= 0);
+
+        assert_se(sd_journal_add_disjunction(j) >= 0);
+
+        assert_se(sd_journal_add_match(j, "ONE=one", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "ONE=two", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "TWO=two", 0) >= 0);
+
+        assert_se(sd_journal_add_conjunction(j) >= 0);
+
+        assert_se(sd_journal_add_match(j, "L4_1=yes", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "L4_1=ok", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "L4_2=yes", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "L4_2=ok", 0) >= 0);
+
+        assert_se(sd_journal_add_disjunction(j) >= 0);
+
+        assert_se(sd_journal_add_match(j, "L3=yes", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "L3=ok", 0) >= 0);
+
+        assert_se(t = journal_make_match_string(j));
+
+        printf("resulting match expression is: %s\n", t);
+
+        assert_se(streq(t, "(((L3=ok OR L3=yes) OR ((L4_2=ok OR L4_2=yes) AND (L4_1=ok OR L4_1=yes))) AND ((TWO=two AND (ONE=two OR ONE=one)) OR (PIFF=paff AND (QUUX=yyyyy OR QUUX=xxxxx OR QUUX=mmmm) AND (HALLO= OR HALLO=WALDO))))"));
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-send.c b/src/grp-journal/libjournal-core/test-journal-send.c
new file mode 100644
index 0000000000..169082f9a4
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-send.c
@@ -0,0 +1,102 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <errno.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <systemd/sd-journal.h>
+
+#include "macro.h"
+
+int main(int argc, char *argv[]) {
+        char huge[4096*1024];
+
+        /* utf-8 and non-utf-8, message-less and message-ful iovecs */
+        struct iovec graph1[] = {
+                {(char*) "GRAPH=graph", strlen("GRAPH=graph")}
+        };
+        struct iovec graph2[] = {
+                {(char*) "GRAPH=graph\n", strlen("GRAPH=graph\n")}
+        };
+        struct iovec message1[] = {
+                {(char*) "MESSAGE=graph", strlen("MESSAGE=graph")}
+        };
+        struct iovec message2[] = {
+                {(char*) "MESSAGE=graph\n", strlen("MESSAGE=graph\n")}
+        };
+
+        assert_se(sd_journal_print(LOG_INFO, "piepapo") == 0);
+
+        assert_se(sd_journal_send("MESSAGE=foobar",
+                                  "VALUE=%i", 7,
+                                  NULL) == 0);
+
+        errno = ENOENT;
+        assert_se(sd_journal_perror("Foobar") == 0);
+
+        assert_se(sd_journal_perror("") == 0);
+
+        memset(huge, 'x', sizeof(huge));
+        memcpy(huge, "HUGE=", 5);
+        char_array_0(huge);
+
+        assert_se(sd_journal_send("MESSAGE=Huge field attached",
+                                  huge,
+                                  NULL) == 0);
+
+        assert_se(sd_journal_send("MESSAGE=uiui",
+                                  "VALUE=A",
+                                  "VALUE=B",
+                                  "VALUE=C",
+                                  "SINGLETON=1",
+                                  "OTHERVALUE=X",
+                                  "OTHERVALUE=Y",
+                                  "WITH_BINARY=this is a binary value \a",
+                                  NULL) == 0);
+
+        syslog(LOG_NOTICE, "Hello World!");
+
+        assert_se(sd_journal_print(LOG_NOTICE, "Hello World") == 0);
+
+        assert_se(sd_journal_send("MESSAGE=Hello World!",
+                                  "MESSAGE_ID=52fb62f99e2c49d89cfbf9d6de5e3555",
+                                  "PRIORITY=5",
+                                  "HOME=%s", getenv("HOME"),
+                                  "TERM=%s", getenv("TERM"),
+                                  "PAGE_SIZE=%li", sysconf(_SC_PAGESIZE),
+                                  "N_CPUS=%li", sysconf(_SC_NPROCESSORS_ONLN),
+                                  NULL) == 0);
+
+        assert_se(sd_journal_sendv(graph1, 1) == 0);
+        assert_se(sd_journal_sendv(graph2, 1) == 0);
+        assert_se(sd_journal_sendv(message1, 1) == 0);
+        assert_se(sd_journal_sendv(message2, 1) == 0);
+
+        /* test without location fields */
+#undef sd_journal_sendv
+        assert_se(sd_journal_sendv(graph1, 1) == 0);
+        assert_se(sd_journal_sendv(graph2, 1) == 0);
+        assert_se(sd_journal_sendv(message1, 1) == 0);
+        assert_se(sd_journal_sendv(message2, 1) == 0);
+
+        sleep(1);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-stream.c b/src/grp-journal/libjournal-core/test-journal-stream.c
new file mode 100644
index 0000000000..0a1da47861
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-stream.c
@@ -0,0 +1,196 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <systemd/sd-journal.h>
+
+#include "alloc-util.h"
+#include "journal-file.h"
+#include "journal-internal.h"
+#include "log.h"
+#include "macro.h"
+#include "parse-util.h"
+#include "rm-rf.h"
+#include "util.h"
+
+#define N_ENTRIES 200
+
+static void verify_contents(sd_journal *j, unsigned skip) {
+        unsigned i;
+
+        assert_se(j);
+
+        i = 0;
+        SD_JOURNAL_FOREACH(j) {
+                const void *d;
+                char *k, *c;
+                size_t l;
+                unsigned u = 0;
+
+                assert_se(sd_journal_get_cursor(j, &k) >= 0);
+                printf("cursor: %s\n", k);
+                free(k);
+
+                assert_se(sd_journal_get_data(j, "MAGIC", &d, &l) >= 0);
+                printf("\t%.*s\n", (int) l, (const char*) d);
+
+                assert_se(sd_journal_get_data(j, "NUMBER", &d, &l) >= 0);
+                assert_se(k = strndup(d, l));
+                printf("\t%s\n", k);
+
+                if (skip > 0) {
+                        assert_se(safe_atou(k + 7, &u) >= 0);
+                        assert_se(i == u);
+                        i += skip;
+                }
+
+                free(k);
+
+                assert_se(sd_journal_get_cursor(j, &c) >= 0);
+                assert_se(sd_journal_test_cursor(j, c) > 0);
+                free(c);
+        }
+
+        if (skip > 0)
+                assert_se(i == N_ENTRIES);
+}
+
+int main(int argc, char *argv[]) {
+        JournalFile *one, *two, *three;
+        char t[] = "/tmp/journal-stream-XXXXXX";
+        unsigned i;
+        _cleanup_(sd_journal_closep) sd_journal *j = NULL;
+        char *z;
+        const void *data;
+        size_t l;
+        dual_timestamp previous_ts = DUAL_TIMESTAMP_NULL;
+
+        /* journal_file_open requires a valid machine id */
+        if (access("/etc/machine-id", F_OK) != 0)
+                return EXIT_TEST_SKIP;
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        assert_se(journal_file_open(-1, "one.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, NULL, &one) == 0);
+        assert_se(journal_file_open(-1, "two.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, NULL, &two) == 0);
+        assert_se(journal_file_open(-1, "three.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, NULL, &three) == 0);
+
+        for (i = 0; i < N_ENTRIES; i++) {
+                char *p, *q;
+                dual_timestamp ts;
+                struct iovec iovec[2];
+
+                dual_timestamp_get(&ts);
+
+                if (ts.monotonic <= previous_ts.monotonic)
+                        ts.monotonic = previous_ts.monotonic + 1;
+
+                if (ts.realtime <= previous_ts.realtime)
+                        ts.realtime = previous_ts.realtime + 1;
+
+                previous_ts = ts;
+
+                assert_se(asprintf(&p, "NUMBER=%u", i) >= 0);
+                iovec[0].iov_base = p;
+                iovec[0].iov_len = strlen(p);
+
+                assert_se(asprintf(&q, "MAGIC=%s", i % 5 == 0 ? "quux" : "waldo") >= 0);
+
+                iovec[1].iov_base = q;
+                iovec[1].iov_len = strlen(q);
+
+                if (i % 10 == 0)
+                        assert_se(journal_file_append_entry(three, &ts, iovec, 2, NULL, NULL, NULL) == 0);
+                else {
+                        if (i % 3 == 0)
+                                assert_se(journal_file_append_entry(two, &ts, iovec, 2, NULL, NULL, NULL) == 0);
+
+                        assert_se(journal_file_append_entry(one, &ts, iovec, 2, NULL, NULL, NULL) == 0);
+                }
+
+                free(p);
+                free(q);
+        }
+
+        (void) journal_file_close(one);
+        (void) journal_file_close(two);
+        (void) journal_file_close(three);
+
+        assert_se(sd_journal_open_directory(&j, t, 0) >= 0);
+
+        assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
+        SD_JOURNAL_FOREACH_BACKWARDS(j) {
+                _cleanup_free_ char *c;
+
+                assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
+                printf("\t%.*s\n", (int) l, (const char*) data);
+
+                assert_se(sd_journal_get_cursor(j, &c) >= 0);
+                assert_se(sd_journal_test_cursor(j, c) > 0);
+        }
+
+        SD_JOURNAL_FOREACH(j) {
+                _cleanup_free_ char *c;
+
+                assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
+                printf("\t%.*s\n", (int) l, (const char*) data);
+
+                assert_se(sd_journal_get_cursor(j, &c) >= 0);
+                assert_se(sd_journal_test_cursor(j, c) > 0);
+        }
+
+        sd_journal_flush_matches(j);
+
+        verify_contents(j, 1);
+
+        printf("NEXT TEST\n");
+        assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
+
+        assert_se(z = journal_make_match_string(j));
+        printf("resulting match expression is: %s\n", z);
+        free(z);
+
+        verify_contents(j, 5);
+
+        printf("NEXT TEST\n");
+        sd_journal_flush_matches(j);
+        assert_se(sd_journal_add_match(j, "MAGIC=waldo", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "NUMBER=10", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "NUMBER=11", 0) >= 0);
+        assert_se(sd_journal_add_match(j, "NUMBER=12", 0) >= 0);
+
+        assert_se(z = journal_make_match_string(j));
+        printf("resulting match expression is: %s\n", z);
+        free(z);
+
+        verify_contents(j, 0);
+
+        assert_se(sd_journal_query_unique(j, "NUMBER") >= 0);
+        SD_JOURNAL_FOREACH_UNIQUE(j, data, l)
+                printf("%.*s\n", (int) l, (const char*) data);
+
+        assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-syslog.c b/src/grp-journal/libjournal-core/test-journal-syslog.c
new file mode 100644
index 0000000000..4ff7f3ec2e
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-syslog.c
@@ -0,0 +1,44 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "alloc-util.h"
+#include "journald-syslog.h"
+#include "macro.h"
+#include "string-util.h"
+
+static void test_syslog_parse_identifier(const char* str,
+                                         const char *ident, const char*pid, int ret) {
+        const char *buf = str;
+        _cleanup_free_ char *ident2 = NULL, *pid2 = NULL;
+        int ret2;
+
+        ret2 = syslog_parse_identifier(&buf, &ident2, &pid2);
+
+        assert_se(ret == ret2);
+        assert_se(ident == ident2 || streq_ptr(ident, ident2));
+        assert_se(pid == pid2 || streq_ptr(pid, pid2));
+}
+
+int main(void) {
+        test_syslog_parse_identifier("pidu[111]: xxx", "pidu", "111", 11);
+        test_syslog_parse_identifier("pidu: xxx", "pidu", NULL, 6);
+        test_syslog_parse_identifier("pidu xxx", NULL, NULL, 0);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal-verify.c b/src/grp-journal/libjournal-core/test-journal-verify.c
new file mode 100644
index 0000000000..3d2312fc55
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal-verify.c
@@ -0,0 +1,150 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include "fd-util.h"
+#include "journal-file.h"
+#include "journal-verify.h"
+#include "log.h"
+#include "rm-rf.h"
+#include "terminal-util.h"
+#include "util.h"
+
+#define N_ENTRIES 6000
+#define RANDOM_RANGE 77
+
+static void bit_toggle(const char *fn, uint64_t p) {
+        uint8_t b;
+        ssize_t r;
+        int fd;
+
+        fd = open(fn, O_RDWR|O_CLOEXEC);
+        assert_se(fd >= 0);
+
+        r = pread(fd, &b, 1, p/8);
+        assert_se(r == 1);
+
+        b ^= 1 << (p % 8);
+
+        r = pwrite(fd, &b, 1, p/8);
+        assert_se(r == 1);
+
+        safe_close(fd);
+}
+
+static int raw_verify(const char *fn, const char *verification_key) {
+        JournalFile *f;
+        int r;
+
+        r = journal_file_open(-1, fn, O_RDONLY, 0666, true, !!verification_key, NULL, NULL, NULL, NULL, &f);
+        if (r < 0)
+                return r;
+
+        r = journal_file_verify(f, verification_key, NULL, NULL, NULL, false);
+        (void) journal_file_close(f);
+
+        return r;
+}
+
+int main(int argc, char *argv[]) {
+        char t[] = "/tmp/journal-XXXXXX";
+        unsigned n;
+        JournalFile *f;
+        const char *verification_key = argv[1];
+        usec_t from = 0, to = 0, total = 0;
+        char a[FORMAT_TIMESTAMP_MAX];
+        char b[FORMAT_TIMESTAMP_MAX];
+        char c[FORMAT_TIMESPAN_MAX];
+        struct stat st;
+        uint64_t p;
+
+        /* journal_file_open requires a valid machine id */
+        if (access("/etc/machine-id", F_OK) != 0)
+                return EXIT_TEST_SKIP;
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        log_info("Generating...");
+
+        assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, true, !!verification_key, NULL, NULL, NULL, NULL, &f) == 0);
+
+        for (n = 0; n < N_ENTRIES; n++) {
+                struct iovec iovec;
+                struct dual_timestamp ts;
+                char *test;
+
+                dual_timestamp_get(&ts);
+
+                assert_se(asprintf(&test, "RANDOM=%lu", random() % RANDOM_RANGE));
+
+                iovec.iov_base = (void*) test;
+                iovec.iov_len = strlen(test);
+
+                assert_se(journal_file_append_entry(f, &ts, &iovec, 1, NULL, NULL, NULL) == 0);
+
+                free(test);
+        }
+
+        (void) journal_file_close(f);
+
+        log_info("Verifying...");
+
+        assert_se(journal_file_open(-1, "test.journal", O_RDONLY, 0666, true, !!verification_key, NULL, NULL, NULL, NULL, &f) == 0);
+        /* journal_file_print_header(f); */
+        journal_file_dump(f);
+
+        assert_se(journal_file_verify(f, verification_key, &from, &to, &total, true) >= 0);
+
+        if (verification_key && JOURNAL_HEADER_SEALED(f->header))
+                log_info("=> Validated from %s to %s, %s missing",
+                         format_timestamp(a, sizeof(a), from),
+                         format_timestamp(b, sizeof(b), to),
+                         format_timespan(c, sizeof(c), total > to ? total - to : 0, 0));
+
+        (void) journal_file_close(f);
+
+        if (verification_key) {
+                log_info("Toggling bits...");
+
+                assert_se(stat("test.journal", &st) >= 0);
+
+                for (p = 38448*8+0; p < ((uint64_t) st.st_size * 8); p ++) {
+                        bit_toggle("test.journal", p);
+
+                        log_info("[ %"PRIu64"+%"PRIu64"]", p / 8, p % 8);
+
+                        if (raw_verify("test.journal", verification_key) >= 0)
+                                log_notice(ANSI_HIGHLIGHT_RED ">>>> %"PRIu64" (bit %"PRIu64") can be toggled without detection." ANSI_NORMAL, p / 8, p % 8);
+
+                        bit_toggle("test.journal", p);
+                }
+        }
+
+        log_info("Exiting...");
+
+        assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-journal.c b/src/grp-journal/libjournal-core/test-journal.c
new file mode 100644
index 0000000000..2543d64b5b
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-journal.c
@@ -0,0 +1,178 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2011 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "journal-authenticate.h"
+#include "journal-file.h"
+#include "journal-vacuum.h"
+#include "log.h"
+#include "rm-rf.h"
+
+static bool arg_keep = false;
+
+static void test_non_empty(void) {
+        dual_timestamp ts;
+        JournalFile *f;
+        struct iovec iovec;
+        static const char test[] = "TEST1=1", test2[] = "TEST2=2";
+        Object *o;
+        uint64_t p;
+        char t[] = "/tmp/journal-XXXXXX";
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, true, true, NULL, NULL, NULL, NULL, &f) == 0);
+
+        dual_timestamp_get(&ts);
+
+        iovec.iov_base = (void*) test;
+        iovec.iov_len = strlen(test);
+        assert_se(journal_file_append_entry(f, &ts, &iovec, 1, NULL, NULL, NULL) == 0);
+
+        iovec.iov_base = (void*) test2;
+        iovec.iov_len = strlen(test2);
+        assert_se(journal_file_append_entry(f, &ts, &iovec, 1, NULL, NULL, NULL) == 0);
+
+        iovec.iov_base = (void*) test;
+        iovec.iov_len = strlen(test);
+        assert_se(journal_file_append_entry(f, &ts, &iovec, 1, NULL, NULL, NULL) == 0);
+
+#ifdef HAVE_GCRYPT
+        journal_file_append_tag(f);
+#endif
+        journal_file_dump(f);
+
+        assert_se(journal_file_next_entry(f, 0, DIRECTION_DOWN, &o, &p) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 1);
+
+        assert_se(journal_file_next_entry(f, p, DIRECTION_DOWN, &o, &p) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 2);
+
+        assert_se(journal_file_next_entry(f, p, DIRECTION_DOWN, &o, &p) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 3);
+
+        assert_se(journal_file_next_entry(f, p, DIRECTION_DOWN, &o, &p) == 0);
+
+        assert_se(journal_file_next_entry(f, 0, DIRECTION_DOWN, &o, &p) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 1);
+
+        assert_se(journal_file_find_data_object(f, test, strlen(test), NULL, &p) == 1);
+        assert_se(journal_file_next_entry_for_data(f, NULL, 0, p, DIRECTION_DOWN, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 1);
+
+        assert_se(journal_file_next_entry_for_data(f, NULL, 0, p, DIRECTION_UP, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 3);
+
+        assert_se(journal_file_find_data_object(f, test2, strlen(test2), NULL, &p) == 1);
+        assert_se(journal_file_next_entry_for_data(f, NULL, 0, p, DIRECTION_UP, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 2);
+
+        assert_se(journal_file_next_entry_for_data(f, NULL, 0, p, DIRECTION_DOWN, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 2);
+
+        assert_se(journal_file_find_data_object(f, "quux", 4, NULL, &p) == 0);
+
+        assert_se(journal_file_move_to_entry_by_seqnum(f, 1, DIRECTION_DOWN, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 1);
+
+        assert_se(journal_file_move_to_entry_by_seqnum(f, 3, DIRECTION_DOWN, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 3);
+
+        assert_se(journal_file_move_to_entry_by_seqnum(f, 2, DIRECTION_DOWN, &o, NULL) == 1);
+        assert_se(le64toh(o->entry.seqnum) == 2);
+
+        assert_se(journal_file_move_to_entry_by_seqnum(f, 10, DIRECTION_DOWN, &o, NULL) == 0);
+
+        journal_file_rotate(&f, true, true, NULL);
+        journal_file_rotate(&f, true, true, NULL);
+
+        (void) journal_file_close(f);
+
+        log_info("Done...");
+
+        if (arg_keep)
+                log_info("Not removing %s", t);
+        else {
+                journal_directory_vacuum(".", 3000000, 0, 0, NULL, true);
+
+                assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+        }
+
+        puts("------------------------------------------------------------");
+}
+
+static void test_empty(void) {
+        JournalFile *f1, *f2, *f3, *f4;
+        char t[] = "/tmp/journal-XXXXXX";
+
+        log_set_max_level(LOG_DEBUG);
+
+        assert_se(mkdtemp(t));
+        assert_se(chdir(t) >= 0);
+
+        assert_se(journal_file_open(-1, "test.journal", O_RDWR|O_CREAT, 0666, false, false, NULL, NULL, NULL, NULL, &f1) == 0);
+
+        assert_se(journal_file_open(-1, "test-compress.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, NULL, &f2) == 0);
+
+        assert_se(journal_file_open(-1, "test-seal.journal", O_RDWR|O_CREAT, 0666, false, true, NULL, NULL, NULL, NULL, &f3) == 0);
+
+        assert_se(journal_file_open(-1, "test-seal-compress.journal", O_RDWR|O_CREAT, 0666, true, true, NULL, NULL, NULL, NULL, &f4) == 0);
+
+        journal_file_print_header(f1);
+        puts("");
+        journal_file_print_header(f2);
+        puts("");
+        journal_file_print_header(f3);
+        puts("");
+        journal_file_print_header(f4);
+        puts("");
+
+        log_info("Done...");
+
+        if (arg_keep)
+                log_info("Not removing %s", t);
+        else {
+                journal_directory_vacuum(".", 3000000, 0, 0, NULL, true);
+
+                assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
+        }
+
+        (void) journal_file_close(f1);
+        (void) journal_file_close(f2);
+        (void) journal_file_close(f3);
+        (void) journal_file_close(f4);
+}
+
+int main(int argc, char *argv[]) {
+        arg_keep = argc > 1;
+
+        /* journal_file_open requires a valid machine id */
+        if (access("/etc/machine-id", F_OK) != 0)
+                return EXIT_TEST_SKIP;
+
+        test_non_empty();
+        test_empty();
+
+        return 0;
+}
diff --git a/src/grp-journal/libjournal-core/test-mmap-cache.c b/src/grp-journal/libjournal-core/test-mmap-cache.c
new file mode 100644
index 0000000000..009aabf55e
--- /dev/null
+++ b/src/grp-journal/libjournal-core/test-mmap-cache.c
@@ -0,0 +1,79 @@
+/***
+  This file is part of systemd.
+
+  Copyright 2012 Lennart Poettering
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <unistd.h>
+
+#include "fd-util.h"
+#include "fileio.h"
+#include "macro.h"
+#include "mmap-cache.h"
+#include "util.h"
+
+int main(int argc, char *argv[]) {
+        int x, y, z, r;
+        char px[] = "/tmp/testmmapXXXXXXX", py[] = "/tmp/testmmapYXXXXXX", pz[] = "/tmp/testmmapZXXXXXX";
+        MMapCache *m;
+        void *p, *q;
+
+        assert_se(m = mmap_cache_new());
+
+        x = mkostemp_safe(px, O_RDWR|O_CLOEXEC);
+        assert_se(x >= 0);
+        unlink(px);
+
+        y = mkostemp_safe(py, O_RDWR|O_CLOEXEC);
+        assert_se(y >= 0);
+        unlink(py);
+
+        z = mkostemp_safe(pz, O_RDWR|O_CLOEXEC);
+        assert_se(z >= 0);
+        unlink(pz);
+
+        r = mmap_cache_get(m, x, PROT_READ, 0, false, 1, 2, NULL, &p);
+        assert_se(r >= 0);
+
+        r = mmap_cache_get(m, x, PROT_READ, 0, false, 2, 2, NULL, &q);
+        assert_se(r >= 0);
+
+        assert_se((uint8_t*) p + 1 == (uint8_t*) q);
+
+        r = mmap_cache_get(m, x, PROT_READ, 1, false, 3, 2, NULL, &q);
+        assert_se(r >= 0);
+
+        assert_se((uint8_t*) p + 2 == (uint8_t*) q);
+
+        r = mmap_cache_get(m, x, PROT_READ, 0, false, 16ULL*1024ULL*1024ULL, 2, NULL, &p);
+        assert_se(r >= 0);
+
+        r = mmap_cache_get(m, x, PROT_READ, 1, false, 16ULL*1024ULL*1024ULL+1, 2, NULL, &q);
+        assert_se(r >= 0);
+
+        assert_se((uint8_t*) p + 1 == (uint8_t*) q);
+
+        mmap_cache_unref(m);
+
+        safe_close(x);
+        safe_close(y);
+        safe_close(z);
+
+        return 0;
+}