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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
8e274523 LP |
2 | |
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <dbus/dbus.h> | |
23 | ||
24 | #include "log.h" | |
3c661fad | 25 | #include "dbus-common.h" |
8e274523 LP |
26 | |
27 | int main(int argc, char *argv[]) { | |
28 | DBusError error; | |
29 | DBusConnection *bus = NULL; | |
30 | DBusMessage *m = NULL; | |
31 | int r = 1; | |
32 | ||
33 | dbus_error_init(&error); | |
34 | ||
35 | if (argc != 2) { | |
36 | log_error("Incorrect number of arguments."); | |
37 | goto finish; | |
38 | } | |
39 | ||
3c661fad LP |
40 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
41 | log_parse_environment(); | |
42 | ||
43 | /* If possible we go via the system bus, to make sure that | |
44 | * session instances get the messages. If not possible we talk | |
45 | * to the system instance directly. */ | |
51bc5d4b | 46 | if (!(bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error))) { |
3c661fad LP |
47 | |
48 | dbus_error_free(&error); | |
49 | ||
50 | if (!(bus = dbus_connection_open_private("unix:abstract=/org/freedesktop/systemd1/private", &error))) { | |
51 | log_error("Failed to get D-Bus connection: %s", error.message); | |
52 | goto finish; | |
53 | } | |
54 | ||
55 | if (bus_check_peercred(bus) < 0) { | |
56 | log_error("Bus owner not root."); | |
57 | goto finish; | |
58 | } | |
8e274523 LP |
59 | } |
60 | ||
61 | if (!(m = dbus_message_new_signal("/org/freedesktop/systemd1/agent", "org.freedesktop.systemd1.Agent", "Released"))) { | |
62 | log_error("Could not allocate signal message."); | |
63 | goto finish; | |
64 | } | |
65 | ||
66 | if (!dbus_message_append_args(m, | |
67 | DBUS_TYPE_STRING, &argv[1], | |
68 | DBUS_TYPE_INVALID)) { | |
69 | log_error("Could not attach group information to signal message."); | |
70 | goto finish; | |
71 | } | |
72 | ||
73 | if (!dbus_connection_send(bus, m, NULL)) { | |
74 | log_error("Failed to send signal message."); | |
75 | goto finish; | |
76 | } | |
77 | ||
78 | r = 0; | |
79 | ||
80 | finish: | |
51bc5d4b LP |
81 | if (bus) { |
82 | dbus_connection_close(bus); | |
8e274523 | 83 | dbus_connection_unref(bus); |
51bc5d4b | 84 | } |
8e274523 LP |
85 | |
86 | if (m) | |
87 | dbus_message_unref(m); | |
88 | ||
89 | dbus_error_free(&error); | |
90 | return r; | |
91 | } |