-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2011 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/>.
-***/
+/* SPDX-License-Identifier: LGPL-2.1+ */
#include <errno.h>
#include <string.h>
-#include <sys/capability.h>
-#include "strv.h"
+#include "alloc-util.h"
#include "bus-util.h"
-#include "logind.h"
+#include "format-util.h"
#include "logind-user.h"
+#include "logind.h"
+#include "signal-util.h"
+#include "strv.h"
+#include "user-util.h"
+
+static BUS_DEFINE_PROPERTY_GET2(property_get_state, "s", User, user_get_state, user_state_to_string);
static int property_get_display(
sd_bus *bus,
return sd_bus_message_append(reply, "(so)", u->display ? u->display->id : "", p);
}
-static int property_get_state(
- sd_bus *bus,
- const char *path,
- const char *interface,
- const char *property,
- sd_bus_message *reply,
- void *userdata,
- sd_bus_error *error) {
-
- User *u = userdata;
-
- assert(bus);
- assert(reply);
- assert(u);
-
- return sd_bus_message_append(reply, "s", user_state_to_string(user_get_state(u)));
-}
-
static int property_get_sessions(
sd_bus *bus,
const char *path,
}
- r = sd_bus_message_close_container(reply);
- if (r < 0)
- return r;
-
- return 1;
+ return sd_bus_message_close_container(reply);
}
static int property_get_idle_hint(
sd_bus_error *error) {
User *u = userdata;
- dual_timestamp t;
+ dual_timestamp t = DUAL_TIMESTAMP_NULL;
uint64_t k;
assert(bus);
return sd_bus_message_append(reply, "b", r > 0);
}
-static int method_terminate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+int bus_user_method_terminate(sd_bus_message *message, void *userdata, sd_bus_error *error) {
User *u = userdata;
int r;
- assert(bus);
assert(message);
assert(u);
+ r = bus_verify_polkit_async(
+ message,
+ CAP_KILL,
+ "org.freedesktop.login1.manage",
+ NULL,
+ false,
+ u->uid,
+ &u->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
r = user_stop(u, true);
if (r < 0)
return r;
return sd_bus_reply_method_return(message, NULL);
}
-static int method_kill(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) {
+int bus_user_method_kill(sd_bus_message *message, void *userdata, sd_bus_error *error) {
User *u = userdata;
int32_t signo;
int r;
- assert(bus);
assert(message);
assert(u);
+ r = bus_verify_polkit_async(
+ message,
+ CAP_KILL,
+ "org.freedesktop.login1.manage",
+ NULL,
+ false,
+ u->uid,
+ &u->manager->polkit_registry,
+ error);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return 1; /* Will call us back */
+
r = sd_bus_message_read(message, "i", &signo);
if (r < 0)
return r;
- if (signo <= 0 || signo >= _NSIG)
+ if (!SIGNAL_VALID(signo))
return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo);
r = user_kill(u, signo);
SD_BUS_PROPERTY("RuntimePath", "s", NULL, offsetof(User, runtime_path), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Service", "s", NULL, offsetof(User, service), SD_BUS_VTABLE_PROPERTY_CONST),
SD_BUS_PROPERTY("Slice", "s", NULL, offsetof(User, slice), SD_BUS_VTABLE_PROPERTY_CONST),
- SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Display", "(so)", property_get_display, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("State", "s", property_get_state, 0, 0),
- SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Sessions", "a(so)", property_get_sessions, 0, 0),
SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
SD_BUS_PROPERTY("Linger", "b", property_get_linger, 0, 0),
- SD_BUS_METHOD("Terminate", NULL, NULL, method_terminate, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
- SD_BUS_METHOD("Kill", "i", NULL, method_kill, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)),
+ SD_BUS_METHOD("Terminate", NULL, NULL, bus_user_method_terminate, SD_BUS_VTABLE_UNPRIVILEGED),
+ SD_BUS_METHOD("Kill", "i", NULL, bus_user_method_kill, SD_BUS_VTABLE_UNPRIVILEGED),
SD_BUS_VTABLE_END
};
int user_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {
Manager *m = userdata;
+ uid_t uid;
User *user;
int r;
assert(m);
if (streq(path, "/org/freedesktop/login1/user/self")) {
- _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;
sd_bus_message *message;
- pid_t pid;
message = sd_bus_get_current_message(bus);
if (!message)
return 0;
- r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);
+ r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user);
if (r < 0)
return r;
-
- r = sd_bus_creds_get_pid(creds, &pid);
- if (r < 0)
- return r;
-
- r = manager_get_user_by_pid(m, pid, &user);
- if (r <= 0)
- return 0;
} else {
- unsigned long lu;
const char *p;
p = startswith(path, "/org/freedesktop/login1/user/_");
if (!p)
return 0;
- r = safe_atolu(p, &lu);
+ r = parse_uid(p, &uid);
if (r < 0)
return 0;
- user = hashmap_get(m->users, ULONG_TO_PTR(lu));
+ user = hashmap_get(m->users, UID_TO_PTR(uid));
if (!user)
return 0;
}
assert(u);
- if (asprintf(&s, "/org/freedesktop/login1/user/_%llu", (unsigned long long) u->uid) < 0)
+ if (asprintf(&s, "/org/freedesktop/login1/user/_"UID_FMT, u->uid) < 0)
return NULL;
return s;
int user_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {
_cleanup_strv_free_ char **l = NULL;
+ sd_bus_message *message;
Manager *m = userdata;
User *user;
Iterator i;
return r;
}
- *nodes = l;
- l = NULL;
+ message = sd_bus_get_current_message(bus);
+ if (message) {
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
+ uid_t uid;
+
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds);
+ if (r >= 0) {
+ r = sd_bus_creds_get_owner_uid(creds, &uid);
+ if (r >= 0) {
+ user = hashmap_get(m->users, UID_TO_PTR(uid));
+ if (user) {
+ r = strv_extend(&l, "/org/freedesktop/login1/user/self");
+ if (r < 0)
+ return r;
+ }
+ }
+ }
+ }
+
+ *nodes = TAKE_PTR(l);
return 1;
}