diff options
Diffstat (limited to 'src/libsystemd-bus/bus-creds.c')
| -rw-r--r-- | src/libsystemd-bus/bus-creds.c | 904 |
1 files changed, 0 insertions, 904 deletions
diff --git a/src/libsystemd-bus/bus-creds.c b/src/libsystemd-bus/bus-creds.c deleted file mode 100644 index 52e55fc5e1..0000000000 --- a/src/libsystemd-bus/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; -} |