libsystemd: split up into subdirs

We still only produce on .so, but let's keep the sources separate to make things a bit
less messy.

1 files changed, 0 insertions, 904 deletions

diff --git a/src/libsystemd/bus-creds.c b/src/libsystemd/bus-creds.c
deleted file mode 100644
index 52e55fc5e1..0000000000
--- a/src/libsystemd/bus-creds.c
+++ /dev/null
@@ -1,904 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  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 <stdlib.h>
-
-#include "util.h"
-#include "cgroup-util.h"
-#include "fileio.h"
-#include "audit.h"
-#include "bus-message.h"
-#include "bus-util.h"
-#include "time-util.h"
-#include "strv.h"
-#include "bus-creds.h"
-
-enum {
-        CAP_OFFSET_INHERITABLE = 0,
-        CAP_OFFSET_PERMITTED = 1,
-        CAP_OFFSET_EFFECTIVE = 2,
-        CAP_OFFSET_BOUNDING = 3
-};
-
-void bus_creds_done(sd_bus_creds *c) {
-        assert(c);
-
-        /* For internal bus cred structures that are allocated by
-         * something else */
-
-        free(c->session);
-        free(c->unit);
-        free(c->user_unit);
-        free(c->slice);
-
-        strv_free(c->cmdline_array);
-        strv_free(c->well_known_names);
-}
-
-_public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) {
-        assert_return(c, NULL);
-
-        if (c->allocated) {
-                assert(c->n_ref > 0);
-                c->n_ref++;
-        } else {
-                sd_bus_message *m;
-
-                /* If this is an embedded creds structure, then
-                 * forward ref counting to the message */
-                m = container_of(c, sd_bus_message, creds);
-                sd_bus_message_ref(m);
-        }
-
-        return c;
-}
-
-_public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) {
-
-        if (!c)
-                return NULL;
-
-        if (c->allocated) {
-                assert(c->n_ref > 0);
-                c->n_ref--;
-
-                if (c->n_ref == 0) {
-                        bus_creds_done(c);
-
-                        free(c->comm);
-                        free(c->tid_comm);
-                        free(c->exe);
-                        free(c->cmdline);
-                        free(c->cgroup);
-                        free(c->capability);
-                        free(c->label);
-                        free(c->unique_name);
-                        free(c->cgroup_root);
-                        free(c);
-                }
-        } else {
-                sd_bus_message *m;
-
-                m = container_of(c, sd_bus_message, creds);
-                sd_bus_message_unref(m);
-        }
-
-
-        return NULL;
-}
-
-_public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) {
-        assert_return(c, 0);
-
-        return c->mask;
-}
-
-sd_bus_creds* bus_creds_new(void) {
-        sd_bus_creds *c;
-
-        c = new0(sd_bus_creds, 1);
-        if (!c)
-                return NULL;
-
-        c->allocated = true;
-        c->n_ref = 1;
-        return c;
-}
-
-_public_ int sd_bus_creds_new_from_pid(pid_t pid, uint64_t mask, sd_bus_creds **ret) {
-        sd_bus_creds *c;
-        int r;
-
-        assert_return(pid >= 0, -EINVAL);
-        assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP);
-        assert_return(ret, -EINVAL);
-
-        if (pid == 0)
-                pid = getpid();
-
-        c = bus_creds_new();
-        if (!c)
-                return -ENOMEM;
-
-        r = bus_creds_add_more(c, mask, pid, 0);
-        if (r < 0) {
-                sd_bus_creds_unref(c);
-                return r;
-        }
-
-        /* Check if the process existed at all, in case we haven't
-         * figured that out already */
-        if (kill(pid, 0) < 0 && errno == ESRCH) {
-                sd_bus_creds_unref(c);
-                return -ESRCH;
-        }
-
-        *ret = c;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) {
-        assert_return(c, -EINVAL);
-        assert_return(uid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_UID))
-                return -ENODATA;
-
-        *uid = c->uid;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) {
-        assert_return(c, -EINVAL);
-        assert_return(gid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_UID))
-                return -ENODATA;
-
-        *gid = c->gid;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) {
-        assert_return(c, -EINVAL);
-        assert_return(pid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_PID))
-                return -ENODATA;
-
-        assert(c->pid > 0);
-        *pid = c->pid;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) {
-        assert_return(c, -EINVAL);
-        assert_return(tid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_TID))
-                return -ENODATA;
-
-        assert(c->tid > 0);
-        *tid = c->tid;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_pid_starttime(sd_bus_creds *c, uint64_t *usec) {
-        assert_return(c, -EINVAL);
-        assert_return(usec, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_PID_STARTTIME))
-                return -ENODATA;
-
-        assert(c->pid_starttime > 0);
-        *usec = c->pid_starttime;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) {
-        assert_return(c, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT))
-                return -ENODATA;
-
-        assert(c->label);
-        *ret = c->label;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) {
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_COMM))
-                return -ENODATA;
-
-        assert(c->comm);
-        *ret = c->comm;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) {
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_TID_COMM))
-                return -ENODATA;
-
-        assert(c->tid_comm);
-        *ret = c->tid_comm;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) {
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_EXE))
-                return -ENODATA;
-
-        assert(c->exe);
-        *ret = c->exe;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) {
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_CGROUP))
-                return -ENODATA;
-
-        assert(c->cgroup);
-        *ret = c->cgroup;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) {
-        int r;
-
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_UNIT))
-                return -ENODATA;
-
-        assert(c->cgroup);
-
-        if (!c->unit) {
-                const char *shifted;
-
-                r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
-                if (r < 0)
-                        return r;
-
-                r = cg_path_get_unit(shifted, (char**) &c->unit);
-                if (r < 0)
-                        return r;
-        }
-
-        *ret = c->unit;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) {
-        int r;
-
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_USER_UNIT))
-                return -ENODATA;
-
-        assert(c->cgroup);
-
-        if (!c->user_unit) {
-                const char *shifted;
-
-                r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
-                if (r < 0)
-                        return r;
-
-                r = cg_path_get_user_unit(shifted, (char**) &c->user_unit);
-                if (r < 0)
-                        return r;
-        }
-
-        *ret = c->user_unit;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) {
-        int r;
-
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_SLICE))
-                return -ENODATA;
-
-        assert(c->cgroup);
-
-        if (!c->slice) {
-                const char *shifted;
-
-                r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
-                if (r < 0)
-                        return r;
-
-                r = cg_path_get_slice(shifted, (char**) &c->slice);
-                if (r < 0)
-                        return r;
-        }
-
-        *ret = c->slice;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) {
-        int r;
-
-        assert_return(c, -EINVAL);
-        assert_return(ret, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_SESSION))
-                return -ENODATA;
-
-        assert(c->cgroup);
-
-        if (!c->session) {
-                const char *shifted;
-
-                r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
-                if (r < 0)
-                        return r;
-
-                r = cg_path_get_session(shifted, (char**) &c->session);
-                if (r < 0)
-                        return r;
-        }
-
-        *ret = c->session;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) {
-        const char *shifted;
-        int r;
-
-        assert_return(c, -EINVAL);
-        assert_return(uid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_OWNER_UID))
-                return -ENODATA;
-
-        assert(c->cgroup);
-
-        r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
-        if (r < 0)
-                return r;
-
-        return cg_path_get_owner_uid(shifted, uid);
-}
-
-_public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) {
-        assert_return(c, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_CMDLINE))
-                return -ENODATA;
-
-        assert_return(c->cmdline, -ESRCH);
-        assert(c->cmdline);
-
-        if (!c->cmdline_array) {
-                c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size);
-                if (!c->cmdline_array)
-                        return -ENOMEM;
-        }
-
-        *cmdline = c->cmdline_array;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) {
-        assert_return(c, -EINVAL);
-        assert_return(sessionid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID))
-                return -ENODATA;
-
-        *sessionid = c->audit_session_id;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) {
-        assert_return(c, -EINVAL);
-        assert_return(uid, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID))
-                return -ENODATA;
-
-        *uid = c->audit_login_uid;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) {
-        assert_return(c, -EINVAL);
-        assert_return(unique_name, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME))
-                return -ENODATA;
-
-        *unique_name = c->unique_name;
-        return 0;
-}
-
-_public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) {
-        assert_return(c, -EINVAL);
-        assert_return(well_known_names, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES))
-                return -ENODATA;
-
-        *well_known_names = c->well_known_names;
-        return 0;
-}
-
-static int has_cap(sd_bus_creds *c, unsigned offset, int capability) {
-        size_t sz;
-
-        assert(c);
-        assert(c->capability);
-
-        sz = c->capability_size / 4;
-        if ((size_t) capability >= sz*8)
-                return 0;
-
-        return !!(c->capability[offset * sz + (capability / 8)] & (1 << (capability % 8)));
-}
-
-_public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) {
-        assert_return(c, -EINVAL);
-        assert_return(capability >= 0, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS))
-                return -ENODATA;
-
-        return has_cap(c, CAP_OFFSET_EFFECTIVE, capability);
-}
-
-_public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) {
-        assert_return(c, -EINVAL);
-        assert_return(capability >= 0, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS))
-                return -ENODATA;
-
-        return has_cap(c, CAP_OFFSET_PERMITTED, capability);
-}
-
-_public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) {
-        assert_return(c, -EINVAL);
-        assert_return(capability >= 0, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS))
-                return -ENODATA;
-
-        return has_cap(c, CAP_OFFSET_INHERITABLE, capability);
-}
-
-_public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) {
-        assert_return(c, -EINVAL);
-        assert_return(capability >= 0, -EINVAL);
-
-        if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS))
-                return -ENODATA;
-
-        return has_cap(c, CAP_OFFSET_BOUNDING, capability);
-}
-
-static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) {
-        size_t sz;
-        unsigned i;
-
-        assert(c);
-        assert(p);
-
-        p += strspn(p, WHITESPACE);
-
-        sz = strlen(p);
-        if (sz % 2 != 0)
-                return -EINVAL;
-
-        sz /= 2;
-        if (!c->capability) {
-                c->capability = new0(uint8_t, sz * 4);
-                if (!c->capability)
-                        return -ENOMEM;
-
-                c->capability_size = sz * 4;
-        }
-
-        for (i = 0; i < sz; i ++) {
-                int x, y;
-
-                x = unhexchar(p[i*2]);
-                y = unhexchar(p[i*2+1]);
-
-                if (x < 0 || y < 0)
-                        return -EINVAL;
-
-                c->capability[offset * sz + (sz - i - 1)] = (uint8_t) x << 4 | (uint8_t) y;
-        }
-
-        return 0;
-}
-
-int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) {
-        uint64_t missing;
-        int r;
-
-        assert(c);
-        assert(c->allocated);
-
-        missing = mask & ~c->mask;
-        if (missing == 0)
-                return 0;
-
-        /* Try to retrieve PID from creds if it wasn't passed to us */
-        if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID))
-                pid = c->pid;
-
-        if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID))
-                tid = c->pid;
-
-        /* Without pid we cannot do much... */
-        if (pid <= 0)
-                return 0;
-
-        if (missing & (SD_BUS_CREDS_UID | SD_BUS_CREDS_GID |
-                       SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS |
-                       SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) {
-
-                _cleanup_fclose_ FILE *f = NULL;
-                char line[LINE_MAX];
-                const char *p;
-
-                p = procfs_file_alloca(pid, "status");
-
-                f = fopen(p, "re");
-                if (!f)
-                        return errno == ENOENT ? -ESRCH : -errno;
-
-                FOREACH_LINE(line, f, return -errno) {
-                        truncate_nl(line);
-
-                        if (missing & SD_BUS_CREDS_UID) {
-                                p = startswith(line, "Uid:");
-                                if (p) {
-                                        unsigned long uid;
-
-                                        p += strspn(p, WHITESPACE);
-                                        if (sscanf(p, "%lu", &uid) != 1)
-                                                return -EIO;
-
-                                        c->uid = (uid_t) uid;
-                                        c->mask |= SD_BUS_CREDS_UID;
-                                        continue;
-                                }
-                        }
-
-                        if (missing & SD_BUS_CREDS_GID) {
-                                p = startswith(line, "Gid:");
-                                if (p) {
-                                        unsigned long gid;
-
-                                        p += strspn(p, WHITESPACE);
-                                        if (sscanf(p, "%lu", &gid) != 1)
-                                                return -EIO;
-
-                                        c->gid = (uid_t) gid;
-                                        c->mask |= SD_BUS_CREDS_GID;
-                                        continue;
-                                }
-                        }
-
-                        if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) {
-                                p = startswith(line, "CapEff:");
-                                if (p) {
-                                        r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p);
-                                        if (r < 0)
-                                                return r;
-
-                                        c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS;
-                                        continue;
-                                }
-                        }
-
-                        if (missing & SD_BUS_CREDS_PERMITTED_CAPS) {
-                                p = startswith(line, "CapPrm:");
-                                if (p) {
-                                        r = parse_caps(c, CAP_OFFSET_PERMITTED, p);
-                                        if (r < 0)
-                                                return r;
-
-                                        c->mask |= SD_BUS_CREDS_PERMITTED_CAPS;
-                                        continue;
-                                }
-                        }
-
-                        if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) {
-                                p = startswith(line, "CapInh:");
-                                if (p) {
-                                        r = parse_caps(c, CAP_OFFSET_INHERITABLE, p);
-                                        if (r < 0)
-                                                return r;
-
-                                        c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS;
-                                        continue;
-                                }
-                        }
-
-                        if (missing & SD_BUS_CREDS_BOUNDING_CAPS) {
-                                p = startswith(line, "CapBnd:");
-                                if (p) {
-                                        r = parse_caps(c, CAP_OFFSET_BOUNDING, p);
-                                        if (r < 0)
-                                                return r;
-
-                                        c->mask |= SD_BUS_CREDS_BOUNDING_CAPS;
-                                        continue;
-                                }
-                        }
-                }
-        }
-
-        if (missing & (SD_BUS_CREDS_PID_STARTTIME)) {
-                unsigned long long st;
-
-                r = get_starttime_of_pid(pid, &st);
-                if (r < 0)
-                        return r;
-
-                c->pid_starttime = ((usec_t) st * USEC_PER_SEC) / (usec_t) sysconf(_SC_CLK_TCK);
-                c->mask |= SD_BUS_CREDS_PID_STARTTIME;
-        }
-
-        if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) {
-                const char *p;
-
-                p = procfs_file_alloca(pid, "attr/current");
-                r = read_one_line_file(p, &c->label);
-                if (r < 0 && r != -ENOENT && r != -EINVAL)
-                        return r;
-                else if (r >= 0)
-                        c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT;
-        }
-
-        if (missing & SD_BUS_CREDS_COMM) {
-                r = get_process_comm(pid, &c->comm);
-                if (r < 0)
-                        return r;
-
-                c->mask |= SD_BUS_CREDS_COMM;
-        }
-
-        if (missing & SD_BUS_CREDS_EXE) {
-                r = get_process_exe(pid, &c->exe);
-                if (r < 0)
-                        return r;
-
-                c->mask |= SD_BUS_CREDS_EXE;
-        }
-
-        if (missing & SD_BUS_CREDS_CMDLINE) {
-                const char *p;
-
-                p = procfs_file_alloca(pid, "cmdline");
-                r = read_full_file(p, &c->cmdline, &c->cmdline_size);
-                if (r < 0)
-                        return r;
-
-                if (c->cmdline_size == 0) {
-                        free(c->cmdline);
-                        c->cmdline = NULL;
-                } else
-                        c->mask |= SD_BUS_CREDS_CMDLINE;
-        }
-
-        if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) {
-                _cleanup_free_ char *p = NULL;
-
-                if (asprintf(&p, "/proc/%lu/task/%lu/comm", (unsigned long) pid, (unsigned long) tid) < 0)
-                        return -ENOMEM;
-
-                r = read_one_line_file(p, &c->tid_comm);
-                if (r < 0)
-                        return r == -ENOENT ? -ESRCH : r;
-
-                c->mask |= SD_BUS_CREDS_TID_COMM;
-        }
-
-        if (missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID)) {
-
-                r = cg_pid_get_path(NULL, pid, &c->cgroup);
-                if (r < 0)
-                        return r;
-
-                r = cg_get_root_path(&c->cgroup_root);
-                if (r < 0)
-                        return r;
-
-                c->mask |= missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID);
-        }
-
-        if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) {
-                r = audit_session_from_pid(pid, &c->audit_session_id);
-                if (r < 0 && r != -ENOTSUP && r != -ENXIO && r != -ENOENT)
-                        return r;
-                else if (r >= 0)
-                        c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID;
-        }
-
-        if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) {
-                r = audit_loginuid_from_pid(pid, &c->audit_login_uid);
-                if (r < 0 && r != -ENOTSUP && r != -ENXIO && r != -ENOENT)
-                        return r;
-                else if (r >= 0)
-                        c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID;
-        }
-
-        return 0;
-}
-
-int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) {
-        _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL;
-        int r;
-
-        assert(c);
-        assert(ret);
-
-        if ((mask & ~c->mask) == 0) {
-                /* There's already all data we need. */
-
-                *ret = sd_bus_creds_ref(c);
-                return 0;
-        }
-
-        n = bus_creds_new();
-        if (!n)
-                return -ENOMEM;
-
-        /* Copy the original data over */
-
-        if (c->mask & mask & SD_BUS_CREDS_UID) {
-                n->uid = c->uid;
-                n->mask |= SD_BUS_CREDS_UID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_GID) {
-                n->gid = c->gid;
-                n->mask |= SD_BUS_CREDS_GID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_PID) {
-                n->pid = c->pid;
-                n->mask |= SD_BUS_CREDS_PID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_TID) {
-                n->tid = c->tid;
-                n->mask |= SD_BUS_CREDS_TID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_PID_STARTTIME) {
-                n->pid_starttime = c->pid_starttime;
-                n->mask |= SD_BUS_CREDS_PID_STARTTIME;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_COMM) {
-                n->comm = strdup(c->comm);
-                if (!n->comm)
-                        return -ENOMEM;
-
-                n->mask |= SD_BUS_CREDS_COMM;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_TID_COMM) {
-                n->tid_comm = strdup(c->tid_comm);
-                if (!n->tid_comm)
-                        return -ENOMEM;
-
-                n->mask |= SD_BUS_CREDS_TID_COMM;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_EXE) {
-                n->exe = strdup(c->exe);
-                if (!n->exe)
-                        return -ENOMEM;
-
-                n->mask |= SD_BUS_CREDS_EXE;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_CMDLINE) {
-                n->cmdline = memdup(c->cmdline, c->cmdline_size);
-                if (!n->cmdline)
-                        return -ENOMEM;
-
-                n->cmdline_size = c->cmdline_size;
-                n->mask |= SD_BUS_CREDS_CMDLINE;
-        }
-
-        if (c->mask & mask & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_OWNER_UID)) {
-                n->cgroup = strdup(c->cgroup);
-                if (!n->cgroup)
-                        return -ENOMEM;
-
-                n->cgroup_root = strdup(c->cgroup_root);
-                if (!n->cgroup_root)
-                        return -ENOMEM;
-
-                n->mask |= mask & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_OWNER_UID);
-        }
-
-        if (c->mask & mask & (SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS)) {
-                n->capability = memdup(c->capability, c->capability_size);
-                if (!n->capability)
-                        return -ENOMEM;
-
-                n->capability_size = c->capability_size;
-                n->mask |= c->mask & mask & (SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS);
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) {
-                n->audit_session_id = c->audit_session_id;
-                n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) {
-                n->audit_login_uid = c->audit_login_uid;
-                n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) {
-                n->unique_name = strdup(c->unique_name);
-                if (!n->unique_name)
-                        return -ENOMEM;
-        }
-
-        if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) {
-                n->well_known_names = strv_copy(c->well_known_names);
-                if (!n->well_known_names)
-                        return -ENOMEM;
-        }
-
-        /* Get more data */
-
-        r = bus_creds_add_more(n, mask,
-                               c->mask & SD_BUS_CREDS_PID ? c->pid : 0,
-                               c->mask & SD_BUS_CREDS_TID ? c->tid : 0);
-        if (r < 0)
-                return r;
-
-        *ret = n;
-        n = NULL;
-        return 0;
-}