905 lines
26 KiB
C
905 lines
26 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2013 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdlib.h>
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#include "util.h"
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#include "cgroup-util.h"
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#include "fileio.h"
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#include "audit.h"
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#include "bus-message.h"
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#include "bus-util.h"
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#include "time-util.h"
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#include "strv.h"
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#include "bus-creds.h"
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enum {
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CAP_OFFSET_INHERITABLE = 0,
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CAP_OFFSET_PERMITTED = 1,
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CAP_OFFSET_EFFECTIVE = 2,
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CAP_OFFSET_BOUNDING = 3
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};
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void bus_creds_done(sd_bus_creds *c) {
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assert(c);
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/* For internal bus cred structures that are allocated by
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* something else */
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free(c->session);
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free(c->unit);
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free(c->user_unit);
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free(c->slice);
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strv_free(c->cmdline_array);
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strv_free(c->well_known_names);
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}
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_public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) {
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assert_return(c, NULL);
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if (c->allocated) {
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assert(c->n_ref > 0);
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c->n_ref++;
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} else {
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sd_bus_message *m;
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/* If this is an embedded creds structure, then
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* forward ref counting to the message */
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m = container_of(c, sd_bus_message, creds);
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sd_bus_message_ref(m);
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}
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return c;
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}
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_public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) {
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if (!c)
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return NULL;
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if (c->allocated) {
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assert(c->n_ref > 0);
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c->n_ref--;
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if (c->n_ref == 0) {
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bus_creds_done(c);
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free(c->comm);
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free(c->tid_comm);
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free(c->exe);
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free(c->cmdline);
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free(c->cgroup);
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free(c->capability);
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free(c->label);
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free(c->unique_name);
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free(c->cgroup_root);
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free(c);
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}
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} else {
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sd_bus_message *m;
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m = container_of(c, sd_bus_message, creds);
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sd_bus_message_unref(m);
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}
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return NULL;
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}
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_public_ uint64_t sd_bus_creds_get_mask(sd_bus_creds *c) {
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assert_return(c, 0);
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return c->mask;
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}
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sd_bus_creds* bus_creds_new(void) {
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sd_bus_creds *c;
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c = new0(sd_bus_creds, 1);
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if (!c)
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return NULL;
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c->allocated = true;
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c->n_ref = 1;
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return c;
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}
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_public_ int sd_bus_creds_new_from_pid(pid_t pid, uint64_t mask, sd_bus_creds **ret) {
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sd_bus_creds *c;
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int r;
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assert_return(pid >= 0, -EINVAL);
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assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP);
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assert_return(ret, -EINVAL);
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if (pid == 0)
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pid = getpid();
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c = bus_creds_new();
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if (!c)
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return -ENOMEM;
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r = bus_creds_add_more(c, mask, pid, 0);
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if (r < 0) {
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free(c);
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return r;
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}
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/* Check if the process existed at all, in case we haven't
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* figured that out already */
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if (kill(pid, 0) < 0 && errno == ESRCH) {
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sd_bus_creds_unref(c);
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return -ESRCH;
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}
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*ret = c;
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return 0;
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}
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_public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) {
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assert_return(c, -EINVAL);
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assert_return(uid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_UID))
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return -ENODATA;
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*uid = c->uid;
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return 0;
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}
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_public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) {
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assert_return(c, -EINVAL);
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assert_return(gid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_UID))
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return -ENODATA;
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*gid = c->gid;
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return 0;
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}
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_public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) {
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assert_return(c, -EINVAL);
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assert_return(pid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_PID))
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return -ENODATA;
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assert(c->pid > 0);
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*pid = c->pid;
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return 0;
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}
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_public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) {
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assert_return(c, -EINVAL);
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assert_return(tid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_TID))
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return -ENODATA;
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assert(c->tid > 0);
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*tid = c->tid;
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return 0;
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}
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_public_ int sd_bus_creds_get_pid_starttime(sd_bus_creds *c, uint64_t *usec) {
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assert_return(c, -EINVAL);
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assert_return(usec, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_PID_STARTTIME))
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return -ENODATA;
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assert(c->pid_starttime > 0);
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*usec = c->pid_starttime;
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return 0;
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}
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_public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) {
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assert_return(c, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT))
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return -ENODATA;
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assert(c->label);
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*ret = c->label;
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return 0;
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}
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_public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) {
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_COMM))
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return -ENODATA;
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assert(c->comm);
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*ret = c->comm;
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return 0;
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}
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_public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) {
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_TID_COMM))
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return -ENODATA;
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assert(c->tid_comm);
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*ret = c->tid_comm;
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return 0;
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}
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_public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) {
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_EXE))
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return -ENODATA;
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assert(c->exe);
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*ret = c->exe;
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return 0;
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}
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_public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) {
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_CGROUP))
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return -ENODATA;
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assert(c->cgroup);
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*ret = c->cgroup;
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return 0;
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}
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_public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) {
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int r;
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_UNIT))
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return -ENODATA;
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assert(c->cgroup);
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if (!c->unit) {
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const char *shifted;
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r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
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if (r < 0)
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return r;
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r = cg_path_get_unit(shifted, (char**) &c->unit);
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if (r < 0)
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return r;
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}
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*ret = c->unit;
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return 0;
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}
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_public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) {
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int r;
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_USER_UNIT))
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return -ENODATA;
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assert(c->cgroup);
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if (!c->user_unit) {
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const char *shifted;
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r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
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if (r < 0)
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return r;
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r = cg_path_get_user_unit(shifted, (char**) &c->user_unit);
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if (r < 0)
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return r;
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}
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*ret = c->user_unit;
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return 0;
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}
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_public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) {
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int r;
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_SLICE))
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return -ENODATA;
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assert(c->cgroup);
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if (!c->slice) {
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const char *shifted;
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r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
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if (r < 0)
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return r;
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r = cg_path_get_slice(shifted, (char**) &c->slice);
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if (r < 0)
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return r;
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}
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*ret = c->slice;
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return 0;
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}
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_public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) {
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int r;
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assert_return(c, -EINVAL);
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assert_return(ret, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_SESSION))
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return -ENODATA;
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assert(c->cgroup);
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if (!c->session) {
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const char *shifted;
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r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
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if (r < 0)
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return r;
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r = cg_path_get_session(shifted, (char**) &c->session);
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if (r < 0)
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return r;
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}
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*ret = c->session;
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return 0;
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}
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_public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) {
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const char *shifted;
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int r;
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assert_return(c, -EINVAL);
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assert_return(uid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_OWNER_UID))
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return -ENODATA;
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assert(c->cgroup);
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r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
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if (r < 0)
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return r;
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return cg_path_get_owner_uid(shifted, uid);
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}
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_public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) {
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assert_return(c, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_CMDLINE))
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return -ENODATA;
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assert_return(c->cmdline, -ESRCH);
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assert(c->cmdline);
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if (!c->cmdline_array) {
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c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size);
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if (!c->cmdline_array)
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return -ENOMEM;
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}
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*cmdline = c->cmdline_array;
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return 0;
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}
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_public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) {
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assert_return(c, -EINVAL);
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assert_return(sessionid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID))
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return -ENODATA;
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*sessionid = c->audit_session_id;
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return 0;
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}
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_public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) {
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assert_return(c, -EINVAL);
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assert_return(uid, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID))
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return -ENODATA;
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*uid = c->audit_login_uid;
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return 0;
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}
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_public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) {
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assert_return(c, -EINVAL);
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assert_return(unique_name, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME))
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return -ENODATA;
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*unique_name = c->unique_name;
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return 0;
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}
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_public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) {
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assert_return(c, -EINVAL);
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assert_return(well_known_names, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES))
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return -ENODATA;
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*well_known_names = c->well_known_names;
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return 0;
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}
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static int has_cap(sd_bus_creds *c, unsigned offset, int capability) {
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size_t sz;
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assert(c);
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assert(c->capability);
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sz = c->capability_size / 4;
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if ((size_t) capability >= sz*8)
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return 0;
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return !!(c->capability[offset * sz + (capability / 8)] & (1 << (capability % 8)));
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}
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_public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) {
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assert_return(c, -EINVAL);
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assert_return(capability >= 0, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS))
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return -ENODATA;
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return has_cap(c, CAP_OFFSET_EFFECTIVE, capability);
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}
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_public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) {
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assert_return(c, -EINVAL);
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assert_return(capability >= 0, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS))
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return -ENODATA;
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return has_cap(c, CAP_OFFSET_PERMITTED, capability);
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}
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_public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) {
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assert_return(c, -EINVAL);
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assert_return(capability >= 0, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS))
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return -ENODATA;
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return has_cap(c, CAP_OFFSET_INHERITABLE, capability);
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}
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_public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) {
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assert_return(c, -EINVAL);
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assert_return(capability >= 0, -EINVAL);
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if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS))
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return -ENODATA;
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return has_cap(c, CAP_OFFSET_BOUNDING, capability);
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}
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static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) {
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size_t sz;
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unsigned i;
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assert(c);
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assert(p);
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p += strspn(p, WHITESPACE);
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sz = strlen(p);
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if (sz % 2 != 0)
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return -EINVAL;
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sz /= 2;
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if (!c->capability) {
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c->capability = new0(uint8_t, sz * 4);
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if (!c->capability)
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return -ENOMEM;
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c->capability_size = sz * 4;
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}
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for (i = 0; i < sz; i ++) {
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int x, y;
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x = unhexchar(p[i*2]);
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y = unhexchar(p[i*2+1]);
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if (x < 0 || y < 0)
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return -EINVAL;
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c->capability[offset * sz + (sz - i - 1)] = (uint8_t) x << 4 | (uint8_t) y;
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}
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return 0;
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}
|
|
|
|
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;
|
|
}
|