Remove src/journal

1 files changed, 0 insertions, 1694 deletions

diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
deleted file mode 100644
index 2488884634..0000000000
--- a/src/journal/journald-server.c
+++ /dev/null
@@ -1,1694 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  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 <sys/signalfd.h>
-#include <sys/ioctl.h>
-#include <linux/sockios.h>
-#include <sys/statvfs.h>
-#include <sys/mman.h>
-
-#include <libudev.h>
-
-#include "sd-journal.h"
-#include "sd-messages.h"
-#include "sd-daemon.h"
-#include "mkdir.h"
-#include "hashmap.h"
-#include "journal-file.h"
-#include "socket-util.h"
-#include "cgroup-util.h"
-#include "missing.h"
-#include "conf-parser.h"
-#include "selinux-util.h"
-#include "journal-internal.h"
-#include "journal-vacuum.h"
-#include "journal-authenticate.h"
-#include "journald-rate-limit.h"
-#include "journald-kmsg.h"
-#include "journald-syslog.h"
-#include "journald-stream.h"
-#include "journald-native.h"
-#include "journald-audit.h"
-#include "journald-server.h"
-#include "acl-util.h"
-
-#ifdef HAVE_SELINUX
-#include <selinux/selinux.h>
-#endif
-
-#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_AVAILABLE_SPACE_USEC (30*USEC_PER_SEC)
-
-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");
-
-static uint64_t available_space(Server *s, bool verbose) {
-        char ids[33];
-        _cleanup_free_ char *p = NULL;
-        sd_id128_t machine;
-        struct statvfs ss;
-        uint64_t sum = 0, ss_avail = 0, avail = 0;
-        int r;
-        _cleanup_closedir_ DIR *d = NULL;
-        usec_t ts;
-        const char *f;
-        JournalMetrics *m;
-
-        ts = now(CLOCK_MONOTONIC);
-
-        if (s->cached_available_space_timestamp + RECHECK_AVAILABLE_SPACE_USEC > ts
-            && !verbose)
-                return s->cached_available_space;
-
-        r = sd_id128_get_machine(&machine);
-        if (r < 0)
-                return 0;
-
-        if (s->system_journal) {
-                f = "/var/log/journal/";
-                m = &s->system_metrics;
-        } else {
-                f = "/run/log/journal/";
-                m = &s->runtime_metrics;
-        }
-
-        assert(m);
-
-        p = strappend(f, sd_id128_to_string(machine, ids));
-        if (!p)
-                return 0;
-
-        d = opendir(p);
-        if (!d)
-                return 0;
-
-        if (fstatvfs(dirfd(d), &ss) < 0)
-                return 0;
-
-        for (;;) {
-                struct stat st;
-                struct dirent *de;
-
-                errno = 0;
-                de = readdir(d);
-                if (!de && errno != 0)
-                        return 0;
-
-                if (!de)
-                        break;
-
-                if (!endswith(de->d_name, ".journal") &&
-                    !endswith(de->d_name, ".journal~"))
-                        continue;
-
-                if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)
-                        continue;
-
-                if (!S_ISREG(st.st_mode))
-                        continue;
-
-                sum += (uint64_t) st.st_blocks * 512UL;
-        }
-
-        ss_avail = ss.f_bsize * ss.f_bavail;
-
-        /* If we reached a high mark, we will always allow this much
-         * again, unless usage goes above max_use. This watermark
-         * value is cached so that we don't give up space on pressure,
-         * but hover below the maximum usage. */
-
-        if (m->use < sum)
-                m->use = sum;
-
-        avail = LESS_BY(ss_avail, m->keep_free);
-
-        s->cached_available_space = LESS_BY(MIN(m->max_use, avail), sum);
-        s->cached_available_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];
-
-                server_driver_message(s, SD_MESSAGE_JOURNAL_USAGE,
-                                      "%s journal is using %s (max allowed %s, "
-                                      "trying to leave %s free of %s available → current limit %s).",
-                                      s->system_journal ? "Permanent" : "Runtime",
-                                      format_bytes(fb1, sizeof(fb1), sum),
-                                      format_bytes(fb2, sizeof(fb2), m->max_use),
-                                      format_bytes(fb3, sizeof(fb3), m->keep_free),
-                                      format_bytes(fb4, sizeof(fb4), ss_avail),
-                                      format_bytes(fb5, sizeof(fb5), s->cached_available_space + sum));
-        }
-
-        return s->cached_available_space;
-}
-
-void server_fix_perms(Server *s, JournalFile *f, uid_t uid) {
-        int r;
-#ifdef HAVE_ACL
-        acl_t acl;
-        acl_entry_t entry;
-        acl_permset_t permset;
-#endif
-
-        assert(f);
-
-        r = fchmod(f->fd, 0640);
-        if (r < 0)
-                log_warning_errno(r, "Failed to fix access mode on %s, ignoring: %m", f->path);
-
-#ifdef HAVE_ACL
-        if (uid <= SYSTEM_UID_MAX)
-                return;
-
-        acl = acl_get_fd(f->fd);
-        if (!acl) {
-                log_warning_errno(errno, "Failed to read ACL on %s, ignoring: %m", f->path);
-                return;
-        }
-
-        r = acl_find_uid(acl, uid, &entry);
-        if (r <= 0) {
-
-                if (acl_create_entry(&acl, &entry) < 0 ||
-                    acl_set_tag_type(entry, ACL_USER) < 0 ||
-                    acl_set_qualifier(entry, &uid) < 0) {
-                        log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
-                        goto finish;
-                }
-        }
-
-        /* We do not recalculate the mask unconditionally here,
-         * so that the fchmod() mask above stays intact. */
-        if (acl_get_permset(entry, &permset) < 0 ||
-            acl_add_perm(permset, ACL_READ) < 0 ||
-            calc_acl_mask_if_needed(&acl) < 0) {
-                log_warning_errno(errno, "Failed to patch ACL on %s, ignoring: %m", f->path);
-                goto finish;
-        }
-
-        if (acl_set_fd(f->fd, acl) < 0)
-                log_warning_errno(errno, "Failed to set ACL on %s, ignoring: %m", f->path);
-
-finish:
-        acl_free(acl);
-#endif
-}
-
-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, UINT32_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);
-                journal_file_close(f);
-        }
-
-        r = journal_file_open_reliably(p, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &f);
-        if (r < 0)
-                return s->system_journal;
-
-        server_fix_perms(s, f, uid);
-
-        r = ordered_hashmap_put(s->user_journals, UINT32_TO_PTR(uid), f);
-        if (r < 0) {
-                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);
-        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_fix_perms(s, *f, uid);
-
-        return r;
-}
-
-void server_rotate(Server *s) {
-        JournalFile *f;
-        void *k;
-        Iterator i;
-        int r;
-
-        log_debug("Rotating...");
-
-        do_rotate(s, &s->runtime_journal, "runtime", false, 0);
-        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_UINT32(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);
-        }
-}
-
-void server_sync(Server *s) {
-        JournalFile *f;
-        void *k;
-        Iterator i;
-        int r;
-
-        if (s->system_journal) {
-                r = journal_file_set_offline(s->system_journal);
-                if (r < 0)
-                        log_error_errno(r, "Failed to sync system journal: %m");
-        }
-
-        ORDERED_HASHMAP_FOREACH_KEY(f, k, s->user_journals, i) {
-                r = journal_file_set_offline(f);
-                if (r < 0)
-                        log_error_errno(r, "Failed to sync user journal: %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,
-                const char *id,
-                JournalFile *f,
-                const char* path,
-                JournalMetrics *metrics) {
-
-        const char *p;
-        int r;
-
-        if (!f)
-                return;
-
-        p = strjoina(path, id);
-        r = journal_directory_vacuum(p, metrics->max_use, s->max_retention_usec, &s->oldest_file_usec, false);
-        if (r < 0 && r != -ENOENT)
-                log_error_errno(r, "Failed to vacuum %s: %m", p);
-}
-
-void server_vacuum(Server *s) {
-        char ids[33];
-        sd_id128_t machine;
-        int r;
-
-        log_debug("Vacuuming...");
-
-        s->oldest_file_usec = 0;
-
-        r = sd_id128_get_machine(&machine);
-        if (r < 0) {
-                log_error_errno(r, "Failed to get machine ID: %m");
-                return;
-        }
-        sd_id128_to_string(machine, ids);
-
-        do_vacuum(s, ids, s->system_journal, "/var/log/journal/", &s->system_metrics);
-        do_vacuum(s, ids, s->runtime_journal, "/run/log/journal/", &s->runtime_metrics);
-
-        s->cached_available_space_timestamp = 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) {
-
-        /* -E2BIG            Hit configured limit
-           -EFBIG            Hit fs limit
-           -EDQUOT           Quota limit hit
-           -ENOSPC           Disk full
-           -EIO              I/O error of some kind (mmap)
-           -EHOSTDOWN        Other machine
-           -EBUSY            Unclean shutdown
-           -EPROTONOSUPPORT  Unsupported feature
-           -EBADMSG          Corrupted
-           -ENODATA          Truncated
-           -ESHUTDOWN        Already archived
-           -EIDRM            Journal file has been deleted */
-
-        if (r == -E2BIG || r == -EFBIG || r == -EDQUOT || r == -ENOSPC)
-                log_debug("%s: Allocation limit reached, rotating.", f->path);
-        else if (r == -EHOSTDOWN)
-                log_info("%s: Journal file from other machine, rotating.", f->path);
-        else if (r == -EBUSY)
-                log_info("%s: Unclean shutdown, rotating.", f->path);
-        else if (r == -EPROTONOSUPPORT)
-                log_info("%s: Unsupported feature, rotating.", f->path);
-        else if (r == -EBADMSG || r == -ENODATA || r == ESHUTDOWN)
-                log_warning("%s: Journal file corrupted, rotating.", f->path);
-        else if (r == -EIO)
-                log_warning("%s: IO error, rotating.", f->path);
-        else if (r == -EIDRM)
-                log_warning("%s: Journal file has been deleted, rotating.", f->path);
-        else
-                return false;
-
-        return true;
-}
-
-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);
-                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);
-
-        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_use()) {
-                        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];
-        char buffer[16 + LINE_MAX + 1];
-        struct iovec iovec[N_IOVEC_META_FIELDS + 4];
-        int n = 0;
-        va_list ap;
-        struct ucred ucred = {};
-
-        assert(s);
-        assert(format);
-
-        IOVEC_SET_STRING(iovec[n++], "PRIORITY=6");
-        IOVEC_SET_STRING(iovec[n++], "_TRANSPORT=driver");
-
-        memcpy(buffer, "MESSAGE=", 8);
-        va_start(ap, format);
-        vsnprintf(buffer + 8, sizeof(buffer) - 8, format, ap);
-        va_end(ap);
-        IOVEC_SET_STRING(iovec[n++], buffer);
-
-        if (!sd_id128_equal(message_id, SD_ID128_NULL)) {
-                snprintf(mid, sizeof(mid), LOG_MESSAGE_ID(message_id));
-                IOVEC_SET_STRING(iovec[n++], mid);
-        }
-
-        ucred.pid = getpid();
-        ucred.uid = getuid();
-        ucred.gid = getgid();
-
-        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;
-        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;
-                }
-        }
-
-        rl = journal_rate_limit_test(s->rate_limit, path,
-                                     priority & LOG_PRIMASK, available_space(s, false));
-
-        if (rl == 0)
-                return;
-
-        /* Write a suppression message if we suppressed something */
-        if (rl > 1)
-                server_driver_message(s, SD_MESSAGE_JOURNAL_DROPPED,
-                                      "Suppressed %u messages from %s", rl - 1, path);
-
-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) {
-        int r;
-        char *fn;
-        sd_id128_t machine;
-        char ids[33];
-
-        r = sd_id128_get_machine(&machine);
-        if (r < 0)
-                return log_error_errno(r, "Failed to get machine id: %m");
-
-        sd_id128_to_string(machine, ids);
-
-        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("/var/log/journal/", 0755);
-
-                fn = strjoina("/var/log/journal/", ids);
-                (void) mkdir(fn, 0755);
-
-                fn = strjoina(fn, "/system.journal");
-                r = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, s->seal, &s->system_metrics, s->mmap, NULL, &s->system_journal);
-
-                if (r >= 0)
-                        server_fix_perms(s, s->system_journal, 0);
-                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 = strjoin("/run/log/journal/", ids, "/system.journal", NULL);
-                if (!fn)
-                        return -ENOMEM;
-
-                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 = journal_file_open(fn, O_RDWR, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);
-                        free(fn);
-
-                        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 = journal_file_open_reliably(fn, O_RDWR|O_CREAT, 0640, s->compress, false, &s->runtime_metrics, s->mmap, NULL, &s->runtime_journal);
-                        free(fn);
-
-                        if (r < 0)
-                                return log_error_errno(r, "Failed to open runtime journal: %m");
-                }
-
-                if (s->runtime_journal)
-                        server_fix_perms(s, s->runtime_journal, 0);
-        }
-
-        available_space(s, true);
-
-        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;
-
-        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);
-
-                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;
-                }
-        }
-
-finish:
-        journal_file_post_change(s->system_journal);
-
-        journal_file_close(s->runtime_journal);
-        s->runtime_journal = NULL;
-
-        if (r >= 0)
-                rm_rf("/run/log/journal", false, true, false);
-
-        sd_journal_close(j);
-
-        server_driver_message(s, SD_ID128_NULL, "Time spent on flushing to /var is %s for %u entries.", format_timespan(ts, sizeof(ts), now(CLOCK_MONOTONIC) - start, 0), n);
-
-        return r;
-}
-
-int server_process_datagram(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
-        Server *s = userdata;
-
-        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;
-        }
-
-        for (;;) {
-                struct ucred *ucred = NULL;
-                struct timeval *tv = NULL;
-                struct cmsghdr *cmsg;
-                char *label = NULL;
-                size_t label_len = 0;
-                struct iovec iovec;
-
-                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),
-                };
-
-                ssize_t n;
-                int *fds = NULL;
-                unsigned n_fds = 0;
-                int v = 0;
-                size_t m;
-
-                /* 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;
-
-                        log_error_errno(errno, "recvmsg() failed: %m");
-                        return -errno;
-                }
-
-                for (cmsg = CMSG_FIRSTHDR(&msghdr); cmsg; cmsg = CMSG_NXTHDR(&msghdr, cmsg)) {
-
-                        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);
-        }
-}
-
-static int dispatch_sigusr1(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
-        Server *s = userdata;
-
-        assert(s);
-
-        log_info("Received request to flush runtime journal from PID %"PRIu32, si->ssi_pid);
-
-        server_flush_to_var(s);
-        server_sync(s);
-        server_vacuum(s);
-
-        touch("/run/systemd/journal/flushed");
-
-        return 0;
-}
-
-static int dispatch_sigusr2(sd_event_source *es, const struct signalfd_siginfo *si, void *userdata) {
-        Server *s = userdata;
-
-        assert(s);
-
-        log_info("Received request to rotate journal from PID %"PRIu32, si->ssi_pid);
-        server_rotate(s);
-        server_vacuum(s);
-
-        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 setup_signals(Server *s) {
-        sigset_t mask;
-        int r;
-
-        assert(s);
-
-        assert_se(sigemptyset(&mask) == 0);
-        sigset_add_many(&mask, SIGINT, SIGTERM, SIGUSR1, SIGUSR2, -1);
-        assert_se(sigprocmask(SIG_SETMASK, &mask, NULL) == 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;
-
-        r = sd_event_add_signal(s->event, &s->sigint_event_source, SIGINT, dispatch_sigterm, s);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-static int server_parse_proc_cmdline(Server *s) {
-        _cleanup_free_ char *line = NULL;
-        const char *w, *state;
-        size_t l;
-        int r;
-
-        r = proc_cmdline(&line);
-        if (r < 0) {
-                log_warning_errno(r, "Failed to read /proc/cmdline, ignoring: %m");
-                return 0;
-        }
-
-        FOREACH_WORD_QUOTED(w, l, line, state) {
-                _cleanup_free_ char *word;
-
-                word = strndup(w, l);
-                if (!word)
-                        return -ENOMEM;
-
-                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("/etc/systemd/journald.conf",
-                                 CONF_DIRS_NULSTR("systemd/journald.conf"),
-                                 "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("Failed to register hostname fd in event loop: %s. Ignoring.",
-                                        strerror(-r));
-                        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;
-}
-
-int server_init(Server *s) {
-        _cleanup_fdset_free_ FDSet *fds = NULL;
-        int n, r, fd;
-
-        assert(s);
-
-        zero(*s);
-        s->syslog_fd = s->native_fd = s->stdout_fd = s->dev_kmsg_fd = s->audit_fd = s->hostname_fd = -1;
-        s->compress = true;
-        s->seal = true;
-
-        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;
-
-        memset(&s->system_metrics, 0xFF, sizeof(s->system_metrics));
-        memset(&s->runtime_metrics, 0xFF, sizeof(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;
-        }
-
-        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();
-
-        r = sd_event_default(&s->event);
-        if (r < 0)
-                return log_error_errno(r, "Failed to create event loop: %m");
-
-        sd_event_set_watchdog(s->event, true);
-
-        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();
-                }
-        }
-
-        r = server_open_stdout_socket(s, fds);
-        if (r < 0)
-                return r;
-
-        if (fdset_size(fds) > 0) {
-                log_warning("%u unknown file descriptors passed, closing.", fdset_size(fds));
-                fds = fdset_free(fds);
-        }
-
-        r = server_open_syslog_socket(s);
-        if (r < 0)
-                return r;
-
-        r = server_open_native_socket(s);
-        if (r < 0)
-                return r;
-
-        r = server_open_dev_kmsg(s);
-        if (r < 0)
-                return r;
-
-        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);
-
-        r = system_journal_open(s, false);
-        if (r < 0)
-                return r;
-
-        return 0;
-}
-
-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);
-
-        while (s->stdout_streams)
-                stdout_stream_free(s->stdout_streams);
-
-        if (s->system_journal)
-                journal_file_close(s->system_journal);
-
-        if (s->runtime_journal)
-                journal_file_close(s->runtime_journal);
-
-        while ((f = ordered_hashmap_steal_first(s->user_journals)))
-                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->hostname_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);
-
-        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);
-
-        if (s->udev)
-                udev_unref(s->udev);
-}