-/*-*- 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 <unistd.h>
-#include <string.h>
#include <errno.h>
-#include <sys/inotify.h>
#include <poll.h>
+#include <string.h>
+#include <sys/inotify.h>
+#include <unistd.h>
-#include "util.h"
+#include "sd-login.h"
+
+#include "alloc-util.h"
#include "cgroup-util.h"
-#include "macro.h"
-#include "strv.h"
+#include "dirent-util.h"
+#include "escape.h"
+#include "fd-util.h"
#include "fileio.h"
-#include "login-util.h"
-#include "formats-util.h"
+#include "format-util.h"
+#include "fs-util.h"
#include "hostname-util.h"
-#include "sd-login.h"
+#include "io-util.h"
+#include "login-util.h"
+#include "macro.h"
+#include "parse-util.h"
+#include "path-util.h"
+#include "socket-util.h"
+#include "string-util.h"
+#include "strv.h"
+#include "user-util.h"
+#include "util.h"
/* Error codes:
*
*/
_public_ int sd_pid_get_session(pid_t pid, char **session) {
+ int r;
assert_return(pid >= 0, -EINVAL);
assert_return(session, -EINVAL);
- return cg_pid_get_session(pid, session);
+ r = cg_pid_get_session(pid, session);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
}
_public_ int sd_pid_get_unit(pid_t pid, char **unit) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(unit, -EINVAL);
-/// elogind does not support systemd units
-#if 0
- return cg_pid_get_unit(pid, unit);
+#if 0 /// elogind does not support systemd units
+ r = cg_pid_get_unit(pid, unit);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
}
_public_ int sd_pid_get_user_unit(pid_t pid, char **unit) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(unit, -EINVAL);
-/// elogind does not support systemd units
-#if 0
- return cg_pid_get_user_unit(pid, unit);
+#if 0 /// elogind does not support systemd units
+ r = cg_pid_get_user_unit(pid, unit);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
}
_public_ int sd_pid_get_machine_name(pid_t pid, char **name) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(name, -EINVAL);
-/// elogind does not support systemd units
-#if 0
- return cg_pid_get_machine_name(pid, name);
+#if 0 /// elogind does not support systemd units
+ r = cg_pid_get_machine_name(pid, name);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
}
_public_ int sd_pid_get_slice(pid_t pid, char **slice) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(slice, -EINVAL);
-/// elogind does not support systemd slices
-#if 0
- return cg_pid_get_slice(pid, slice);
+#if 0 /// elogind does not support systemd slices
+ r = cg_pid_get_slice(pid, slice);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
}
_public_ int sd_pid_get_user_slice(pid_t pid, char **slice) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(slice, -EINVAL);
-/// elogind does not support systemd slices
-#if 0
- return cg_pid_get_user_slice(pid, slice);
+#if 0 /// elogind does not support systemd slices
+ r = cg_pid_get_user_slice(pid, slice);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
}
_public_ int sd_pid_get_owner_uid(pid_t pid, uid_t *uid) {
+#if 0 /// UNNEEDED by elogind
+ int r;
+#endif // 0
assert_return(pid >= 0, -EINVAL);
assert_return(uid, -EINVAL);
-/// elogind does not support systemd slices
-#if 0
- return cg_pid_get_owner_uid(pid, uid);
+#if 0 /// elogind does not support systemd slices
+ r = cg_pid_get_owner_uid(pid, uid);
+ return IN_SET(r, -ENXIO, -ENOMEDIUM) ? -ENODATA : r;
#else
return -ESRCH;
#endif // 0
/* The internal APIs return the empty string for the root
* cgroup, let's return the "/" in the public APIs instead, as
- * that's easier and less ambigious for people to grok. */
+ * that's easier and less ambiguous for people to grok. */
if (isempty(c)) {
free(c);
c = strdup("/");
if (r < 0)
return r;
-/// elogind does not support systemd scopes
-#if 0
+#if 0 /// elogind does not support systemd scopes
return cg_pid_get_session(ucred.pid, session);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd units
-#if 0
+#if 0 /// elogind does not support systemd units
return cg_pid_get_owner_uid(ucred.pid, uid);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd units
-#if 0
+#if 0 /// elogind does not support systemd units
return cg_pid_get_unit(ucred.pid, unit);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd units
-#if 0
+#if 0 /// elogind does not support systemd units
return cg_pid_get_user_unit(ucred.pid, unit);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd units
-#if 0
+#if 0 /// elogind does not support systemd units
return cg_pid_get_machine_name(ucred.pid, machine);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd slices
-#if 0
+#if 0 /// elogind does not support systemd slices
return cg_pid_get_slice(ucred.pid, slice);
#else
return -ESRCH;
if (r < 0)
return r;
-/// elogind does not support systemd slices
-#if 0
+#if 0 /// elogind does not support systemd slices
return cg_pid_get_user_slice(ucred.pid, slice);
#else
return -ESRCH;
if (!filename_is_valid(seat))
return -EINVAL;
- p = strappend("/run/systemd/seats/", seat);
+ p = strappend("/run/systemd/seats/", seat);
} else {
_cleanup_free_ char *buf = NULL;
r = parse_env_file(p, NEWLINE, variable, &s, NULL);
if (r == -ENOENT || (r >= 0 && isempty(s))) {
- if (array)
- *array = NULL;
- return 0;
- }
+ if (array)
+ *array = NULL;
+ return 0;
+ }
if (r < 0)
return r;
r = parse_env_file(p, NEWLINE,
"SESSIONS", &s,
- "ACTIVE_SESSIONS", &t,
+ "UIDS", &t,
NULL);
if (r == -ENOENT)
return -ENXIO;
r = parse_uid(k, b + i);
if (r < 0)
- continue;
+ return r;
i++;
}
_public_ int sd_get_uids(uid_t **users) {
_cleanup_closedir_ DIR *d;
+ struct dirent *de;
int r = 0;
unsigned n = 0;
_cleanup_free_ uid_t *l = NULL;
if (!d)
return -errno;
- for (;;) {
- struct dirent *de;
+ FOREACH_DIRENT_ALL(de, d, return -errno) {
int k;
uid_t uid;
- errno = 0;
- de = readdir(d);
- if (!de && errno != 0)
- return -errno;
-
- if (!de)
- break;
-
dirent_ensure_type(d, de);
if (!dirent_is_file(de))
assert_return(machines, -EINVAL);
r = get_files_in_directory("/run/systemd/machines/", &l);
+ if (r == -ENOENT) {
+ *machines = NULL;
+ return 0;
+ }
if (r < 0)
return r;
*(char*) (mempcpy(buf, word, l)) = 0;
- if (safe_atoi(buf, &ifi) < 0)
- continue;
- if (ifi <= 0)
+ if (parse_ifindex(buf, &ifi) < 0)
continue;
if (!GREEDY_REALLOC(ni, allocated, nr+1)) {
_public_ sd_login_monitor* sd_login_monitor_unref(sd_login_monitor *m) {
int fd;
- assert_return(m, NULL);
+ if (!m)
+ return NULL;
fd = MONITOR_TO_FD(m);
close_nointr(fd);