-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdlib.h>
#include <linux/capability.h>
+#include <stdlib.h>
-#include "util.h"
-#include "formats-util.h"
-#include "process-util.h"
-#include "terminal-util.h"
-#include "capability.h"
-#include "cgroup-util.h"
-#include "fileio.h"
-#include "audit.h"
+#include "alloc-util.h"
+#include "audit-util.h"
+#include "bus-creds.h"
+#include "bus-label.h"
#include "bus-message.h"
#include "bus-util.h"
+#include "capability-util.h"
+#include "cgroup-util.h"
+#include "fd-util.h"
+#include "fileio.h"
+#include "format-util.h"
+#include "hexdecoct.h"
+#include "parse-util.h"
+#include "process-util.h"
+#include "string-util.h"
#include "strv.h"
-#include "bus-creds.h"
-#include "bus-label.h"
+#include "terminal-util.h"
+#include "user-util.h"
+#include "util.h"
enum {
CAP_OFFSET_INHERITABLE = 0,
free(c->unit);
free(c->user_unit);
free(c->slice);
+ free(c->user_slice);
free(c->unescaped_description);
free(c->supplementary_gids);
free(c->tty);
}
_public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) {
- assert_return(c, NULL);
+
+ if (!c)
+ return NULL;
if (c->allocated) {
assert(c->n_ref > 0);
free(c->cgroup_root);
free(c->description);
- free(c->supplementary_gids);
- c->supplementary_gids = NULL;
+ c->supplementary_gids = mfree(c->supplementary_gids);
- strv_free(c->well_known_names);
- c->well_known_names = NULL;
+ c->well_known_names = strv_free(c->well_known_names);
bus_creds_done(c);
return NULL;
}
+#if 0 /// UNNEEDED by elogind
_public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) {
assert_return(c, 0);
return c->mask;
}
+#endif // 0
_public_ uint64_t sd_bus_creds_get_augmented_mask(const sd_bus_creds *c) {
assert_return(c, 0);
return c;
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) {
sd_bus_creds *c;
int r;
*ret = c;
return 0;
}
+#endif // 0
_public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) {
assert_return(c, -EINVAL);
return 0;
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) {
assert_return(c, -EINVAL);
assert_return(suid, -EINVAL);
*gid = c->gid;
return 0;
}
+#endif // 0
_public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) {
assert_return(c, -EINVAL);
return 0;
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) {
assert_return(c, -EINVAL);
assert_return(sgid, -EINVAL);
*gids = c->supplementary_gids;
return (int) c->n_supplementary_gids;
}
+#endif // 0
_public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) {
assert_return(c, -EINVAL);
return 0;
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_get_ppid(sd_bus_creds *c, pid_t *ppid) {
assert_return(c, -EINVAL);
assert_return(ppid, -EINVAL);
if (!(c->mask & SD_BUS_CREDS_PPID))
return -ENODATA;
- /* PID 1 has no parent process. Let's distuingish the case of
+ /* PID 1 has no parent process. Let's distinguish the case of
* not knowing and not having a parent process by the returned
* error code. */
if (c->ppid == 0)
*ppid = c->ppid;
return 0;
}
+#endif // 0
_public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) {
assert_return(c, -EINVAL);
return 0;
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) {
assert_return(c, -EINVAL);
assert_return(ret, -EINVAL);
}
_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(c->cgroup);
- if (!c->unit)
- return -ESRCH;
+ 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);
assert(c->cgroup);
- if (!c->user_unit)
- return -ESRCH;
+ 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);
assert(c->cgroup);
- if (!c->slice)
- return -ESRCH;
+ 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_user_slice(sd_bus_creds *c, const char **ret) {
+ int r;
+
+ assert_return(c, -EINVAL);
+ assert_return(ret, -EINVAL);
+
+ if (!(c->mask & SD_BUS_CREDS_USER_SLICE))
+ return -ENODATA;
+
+ assert(c->cgroup);
+
+ if (!c->user_slice) {
+ const char *shifted;
+
+ r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
+ if (r < 0)
+ return r;
+
+ r = cg_path_get_user_slice(shifted, (char**) &c->user_slice);
+ if (r < 0)
+ return r;
+ }
+
+ *ret = c->user_slice;
+ return 0;
+}
+#endif // 0
+
_public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) {
int r;
if (!c->session) {
const char *shifted;
+ log_debug_elogind("Shifting cgroup \"%s\", root \"%s\"",
+ c->cgroup, c->cgroup_root ? c->cgroup_root : "NULL");
r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted);
if (r < 0)
return r;
+ log_debug_elogind("Shifted: \"%s\"", shifted);
r = cg_path_get_session(shifted, (char**) &c->session);
if (r < 0)
return r;
if (r < 0)
return r;
- return -ESRCH;
+#if 0 /// elogind does not support systemd slices
+ return cg_path_get_owner_uid(shifted, uid);
+#else
+ *uid = c->uid;
+ return 0;
+#endif // 0
}
_public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) {
return 0;
}
+#if 0 /// UNNEEDED by elogind
_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);
*ret = c->unescaped_description;
return 0;
}
+#endif // 0
static int has_cap(sd_bus_creds *c, unsigned offset, int capability) {
size_t sz;
return has_cap(c, CAP_OFFSET_EFFECTIVE, capability);
}
+#if 0 /// UNNEEDED by elogind
_public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) {
assert_return(c, -EINVAL);
assert_return(capability >= 0, -EINVAL);
return has_cap(c, CAP_OFFSET_BOUNDING, capability);
}
+#endif // 0
static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) {
size_t sz, max;
return 0;
/* Try to retrieve PID from creds if it wasn't passed to us */
- if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID))
+ if (pid > 0) {
+ c->pid = pid;
+ c->mask |= SD_BUS_CREDS_PID;
+ } else if (c->mask & SD_BUS_CREDS_PID)
pid = c->pid;
-
- /* Without pid we cannot do much... */
- if (pid <= 0)
+ else
+ /* Without pid we cannot do much... */
return 0;
/* Try to retrieve TID from creds if it wasn't passed to us */
if (missing == 0)
return 0;
- c->pid = pid;
- c->mask |= SD_BUS_CREDS_PID;
-
if (tid > 0) {
c->tid = tid;
c->mask |= SD_BUS_CREDS_TID;
if (missing & SD_BUS_CREDS_EXE) {
r = get_process_exe(pid, &c->exe);
if (r == -ESRCH) {
- /* Unfortunately we cannot really distuingish
+ /* Unfortunately we cannot really distinguish
* the case here where the process does not
* exist, and /proc/$PID/exe being unreadable
* because $PID is a kernel thread. Hence,
if (r != -EPERM && r != -EACCES)
return r;
} else {
- if (c->cmdline_size == 0) {
- free(c->cmdline);
- c->cmdline = NULL;
- }
+ if (c->cmdline_size == 0)
+ c->cmdline = mfree(c->cmdline);
c->mask |= SD_BUS_CREDS_CMDLINE;
}
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)) {
+ if (missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_USER_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID)) {
if (!c->cgroup) {
r = cg_pid_get_path(NULL, pid, &c->cgroup);
}
if (c->cgroup)
- 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);
+ c->mask |= missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_USER_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 == -ENXIO) {
- /* ENXIO means: no audit session id assigned */
+ if (r == -ENODATA) {
+ /* ENODATA means: no audit session id assigned */
c->audit_session_id = AUDIT_SESSION_INVALID;
c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID;
} else if (r < 0) {
if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) {
r = audit_loginuid_from_pid(pid, &c->audit_login_uid);
- if (r == -ENXIO) {
- /* ENXIO means: no audit login uid assigned */
+ if (r == -ENODATA) {
+ /* ENODATA means: no audit login uid assigned */
c->audit_login_uid = UID_INVALID;
c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID;
} else if (r < 0) {
}
/* In case only the exe path was to be read we cannot
- * distuingish the case where the exe path was unreadable
+ * distinguish the case where the exe path was unreadable
* because the process was a kernel thread, or when the
* process didn't exist at all. Hence, let's do a final check,
* to be sure. */
}
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;
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *n = NULL;
int r;
assert(c);
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)) {
+ 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_USER_SLICE|SD_BUS_CREDS_OWNER_UID)) {
assert(c->cgroup);
n->cgroup = strdup(c->cgroup);
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);
+ 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_USER_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)) {
~ianmdlvl / elogind.git / blobdiff