--- /dev/null
+/*-*- 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 "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);
+
+ free(c->cmdline_array);
+}
+
+_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) {
+ assert_return(c, 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);
+ }
+ } 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(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_MAX, -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) {
+ free(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);
+ assert_return(c->mask & SD_BUS_CREDS_UID, -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);
+ assert_return(c->mask & SD_BUS_CREDS_UID, -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);
+ assert_return(c->mask & SD_BUS_CREDS_PID, -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);
+ assert_return(c->mask & SD_BUS_CREDS_TID, -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);
+ assert_return(c->mask & SD_BUS_CREDS_PID_STARTTIME, -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);
+ assert_return(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT, -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);
+ assert_return(c->mask & SD_BUS_CREDS_COMM, -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);
+ assert_return(c->mask & SD_BUS_CREDS_TID_COMM, -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);
+ assert_return(c->mask & SD_BUS_CREDS_EXE, -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);
+ assert_return(c->mask & SD_BUS_CREDS_CGROUP, -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);
+ assert_return(c->mask & SD_BUS_CREDS_UNIT, -ENODATA);
+
+ assert(c->cgroup);
+
+ if (!c->unit) {
+ r = cg_path_get_unit(c->cgroup, (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);
+ assert_return(c->mask & SD_BUS_CREDS_USER_UNIT, -ENODATA);
+
+ assert(c->cgroup);
+
+ if (!c->user_unit) {
+ r = cg_path_get_user_unit(c->cgroup, (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);
+ assert_return(c->mask & SD_BUS_CREDS_SLICE, -ENODATA);
+
+ assert(c->cgroup);
+
+ if (!c->slice) {
+ r = cg_path_get_slice(c->cgroup, (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);
+ assert_return(c->mask & SD_BUS_CREDS_SESSION, -ENODATA);
+
+ assert(c->cgroup);
+
+ if (!c->session) {
+ r = cg_path_get_session(c->cgroup, (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) {
+ assert_return(c, -EINVAL);
+ assert_return(uid, -EINVAL);
+ assert_return(c->mask & SD_BUS_CREDS_OWNER_UID, -ENODATA);
+
+ assert(c->cgroup);
+
+ return cg_path_get_owner_uid(c->cgroup, uid);
+}
+
+_public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) {
+ size_t n, i;
+ const char *p;
+ bool first;
+
+ assert_return(c, -EINVAL);
+ assert_return(c->cmdline, -ESRCH);
+ assert_return(c->mask & SD_BUS_CREDS_CMDLINE, -ENODATA);
+
+ assert(c->cmdline);
+
+ for (p = c->cmdline, n = 0; p < c->cmdline + c->cmdline_length; p++)
+ if (*p == 0)
+ n++;
+
+ *(char***) &c->cmdline_array = new(char*, n + 1);
+ if (!c->cmdline_array)
+ return -ENOMEM;
+
+ for (p = c->cmdline, i = 0, first = true; p < c->cmdline + c->cmdline_length; p++) {
+ if (first)
+ c->cmdline_array[i++] = (char*) p;
+
+ first = *p == 0;
+ }
+
+ c->cmdline_array[i] = NULL;
+ *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);
+ assert_return(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID, -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);
+ assert_return(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID, -ENODATA);
+
+ *uid = c->audit_login_uid;
+ 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);
+ assert_return(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS, -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);
+ assert_return(c->mask & SD_BUS_CREDS_PERMITTED_CAPS, -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);
+ assert_return(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS, -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);
+ assert_return(c->mask & SD_BUS_CREDS_BOUNDING_CAPS, -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)
+ 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_length);
+ if (r < 0)
+ return r;
+
+ if (c->cmdline_length == 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;
+
+ 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;
+}
+
+_public_ int sd_bus_creds_extend(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) {
+ _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL;
+ int r;
+
+ assert_return(c, -EINVAL);
+ assert_return(ret, -EINVAL);
+
+ 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_length);
+ if (!n->cmdline)
+ return -ENOMEM;
+
+ n->cmdline_length = c->cmdline_length;
+ 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->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;
+ }
+
+ /* 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;
+}
~ianmdlvl / elogind.git / blobdiff