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Diffstat (limited to 'src/login/logind-user.c')
-rw-r--r--src/login/logind-user.c150
1 files changed, 81 insertions, 69 deletions
diff --git a/src/login/logind-user.c b/src/login/logind-user.c
index 9e2cbf646b..fb0c9b75d7 100644
--- a/src/login/logind-user.c
+++ b/src/login/logind-user.c
@@ -30,6 +30,7 @@
#include "hashmap.h"
#include "strv.h"
#include "fileio.h"
+#include "special.h"
User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) {
User *u;
@@ -42,29 +43,27 @@ User* user_new(Manager *m, uid_t uid, gid_t gid, const char *name) {
return NULL;
u->name = strdup(name);
- if (!u->name) {
- free(u);
- return NULL;
- }
+ if (!u->name)
+ goto fail;
- if (asprintf(&u->state_file, "/run/systemd/users/%lu", (unsigned long) uid) < 0) {
- free(u->name);
- free(u);
- return NULL;
- }
+ if (asprintf(&u->state_file, "/run/systemd/users/%lu", (unsigned long) uid) < 0)
+ goto fail;
- if (hashmap_put(m->users, ULONG_TO_PTR((unsigned long) uid), u) < 0) {
- free(u->state_file);
- free(u->name);
- free(u);
- return NULL;
- }
+ if (hashmap_put(m->users, ULONG_TO_PTR((unsigned long) uid), u) < 0)
+ goto fail;
u->manager = m;
u->uid = uid;
u->gid = gid;
return u;
+
+fail:
+ free(u->state_file);
+ free(u->name);
+ free(u);
+
+ return NULL;
}
void user_free(User *u) {
@@ -76,9 +75,10 @@ void user_free(User *u) {
while (u->sessions)
session_free(u->sessions);
- if (u->cgroup_path)
+ if (u->cgroup_path) {
hashmap_remove(u->manager->user_cgroups, u->cgroup_path);
- free(u->cgroup_path);
+ free(u->cgroup_path);
+ }
free(u->service);
free(u->runtime_path);
@@ -87,13 +87,14 @@ void user_free(User *u) {
free(u->name);
free(u->state_file);
+ free(u->slice);
free(u);
}
int user_save(User *u) {
- FILE *f;
+ _cleanup_free_ char *temp_path = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
int r;
- char *temp_path;
assert(u);
assert(u->state_file);
@@ -119,24 +120,26 @@ int user_save(User *u) {
user_state_to_string(user_get_state(u)));
if (u->cgroup_path)
- fprintf(f,
- "CGROUP=%s\n",
- u->cgroup_path);
+ fprintf(f, "CGROUP=%s\n", u->cgroup_path);
if (u->runtime_path)
- fprintf(f,
- "RUNTIME=%s\n",
- u->runtime_path);
+ fprintf(f, "RUNTIME=%s\n", u->runtime_path);
if (u->service)
- fprintf(f,
- "SERVICE=%s\n",
- u->service);
+ fprintf(f, "SERVICE=%s\n", u->service);
+
+ if (u->slice)
+ fprintf(f, "SLICE=%s\n", u->slice);
if (u->display)
+ fprintf(f, "DISPLAY=%s\n", u->display->id);
+
+ if (dual_timestamp_is_set(&u->timestamp))
fprintf(f,
- "DISPLAY=%s\n",
- u->display->id);
+ "REALTIME=%llu\n"
+ "MONOTONIC=%llu\n",
+ (unsigned long long) u->timestamp.realtime,
+ (unsigned long long) u->timestamp.monotonic);
if (u->sessions) {
Session *i;
@@ -233,9 +236,6 @@ int user_save(User *u) {
unlink(temp_path);
}
- fclose(f);
- free(temp_path);
-
finish:
if (r < 0)
log_error("Failed to save user data for %s: %s", u->name, strerror(-r));
@@ -244,21 +244,22 @@ finish:
}
int user_load(User *u) {
- int r;
- char *display = NULL;
+ _cleanup_free_ char *display = NULL, *realtime = NULL, *monotonic = NULL;
Session *s = NULL;
+ int r;
assert(u);
r = parse_env_file(u->state_file, NEWLINE,
- "CGROUP", &u->cgroup_path,
- "RUNTIME", &u->runtime_path,
- "SERVICE", &u->service,
- "DISPLAY", &display,
+ "CGROUP", &u->cgroup_path,
+ "RUNTIME", &u->runtime_path,
+ "SERVICE", &u->service,
+ "DISPLAY", &display,
+ "SLICE", &u->slice,
+ "REALTIME", &realtime,
+ "MONOTONIC", &monotonic,
NULL);
if (r < 0) {
- free(display);
-
if (r == -ENOENT)
return 0;
@@ -266,14 +267,24 @@ int user_load(User *u) {
return r;
}
- if (display) {
+ if (display)
s = hashmap_get(u->manager->sessions, display);
- free(display);
- }
if (s && s->display && display_is_local(s->display))
u->display = s;
+ if (realtime) {
+ unsigned long long l;
+ if (sscanf(realtime, "%llu", &l) > 0)
+ u->timestamp.realtime = l;
+ }
+
+ if (monotonic) {
+ unsigned long long l;
+ if (sscanf(monotonic, "%llu", &l) > 0)
+ u->timestamp.monotonic = l;
+ }
+
return r;
}
@@ -309,13 +320,18 @@ static int user_mkdir_runtime_path(User *u) {
static int user_create_cgroup(User *u) {
char **k;
- char *p;
int r;
assert(u);
+ if (!u->slice) {
+ u->slice = strdup(SPECIAL_USER_SLICE);
+ if (!u->slice)
+ return log_oom();
+ }
+
if (!u->cgroup_path) {
- _cleanup_free_ char *name = NULL, *escaped = NULL;
+ _cleanup_free_ char *name = NULL, *escaped = NULL, *slice = NULL;
if (asprintf(&name, "%lu.user", (unsigned long) u->uid) < 0)
return log_oom();
@@ -324,30 +340,29 @@ static int user_create_cgroup(User *u) {
if (!escaped)
return log_oom();
- p = strjoin(u->manager->cgroup_path, "/", escaped, NULL);
- if (!p)
+ r = cg_slice_to_path(u->slice, &slice);
+ if (r < 0)
+ return r;
+
+ u->cgroup_path = strjoin(u->manager->cgroup_root, "/", slice, "/", escaped, NULL);
+ if (!u->cgroup_path)
return log_oom();
- } else
- p = u->cgroup_path;
+ }
- r = cg_create(SYSTEMD_CGROUP_CONTROLLER, p, NULL);
+ r = cg_create(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, NULL);
if (r < 0) {
- log_error("Failed to create cgroup "SYSTEMD_CGROUP_CONTROLLER":%s: %s", p, strerror(-r));
- free(p);
- u->cgroup_path = NULL;
+ log_error("Failed to create cgroup "SYSTEMD_CGROUP_CONTROLLER":%s: %s", u->cgroup_path, strerror(-r));
return r;
}
- u->cgroup_path = p;
-
STRV_FOREACH(k, u->manager->controllers) {
if (strv_contains(u->manager->reset_controllers, *k))
continue;
- r = cg_create(*k, p, NULL);
+ r = cg_create(*k, u->cgroup_path, NULL);
if (r < 0)
- log_warning("Failed to create cgroup %s:%s: %s", *k, p, strerror(-r));
+ log_warning("Failed to create cgroup %s:%s: %s", *k, u->cgroup_path, strerror(-r));
}
r = hashmap_put(u->manager->user_cgroups, u->cgroup_path, u);
@@ -390,7 +405,8 @@ int user_start(User *u) {
if (r < 0)
return r;
- dual_timestamp_get(&u->timestamp);
+ if (!dual_timestamp_is_set(&u->timestamp))
+ dual_timestamp_get(&u->timestamp);
u->started = true;
@@ -633,8 +649,8 @@ UserState user_get_state(User *u) {
}
int user_kill(User *u, int signo) {
- int r = 0, q;
- Set *pid_set = NULL;
+ _cleanup_set_free_ Set *pid_set = NULL;
+ int r;
assert(u);
@@ -645,15 +661,11 @@ int user_kill(User *u, int signo) {
if (!pid_set)
return -ENOMEM;
- q = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, signo, false, true, false, pid_set);
- if (q < 0)
- if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
- r = q;
-
- if (pid_set)
- set_free(pid_set);
+ r = cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, u->cgroup_path, signo, false, true, false, pid_set);
+ if (r < 0 && (r != -EAGAIN && r != -ESRCH && r != -ENOENT))
+ return r;
- return r;
+ return 0;
}
static const char* const user_state_table[_USER_STATE_MAX] = {
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-03 16:09:32 +0000