diff options
author | Colin Watson <cjwatson@ubuntu.com> | 2014-02-09 16:09:57 +0000 |
---|---|---|
committer | Colin Watson <cjwatson@debian.org> | 2014-02-10 02:40:16 +0000 |
commit | efe70e315cfcc70e765ebd070e83528a6be6c125 (patch) | |
tree | f6c2e72f2385973b3be77d85a155178f33e521dc /consolekit.c | |
parent | 71003a35537df521296408d9f6bd0a200ed2a854 (diff) |
Add support for registering ConsoleKit sessions on login
Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1450
Last-Updated: 2013-09-14
Patch-Name: consolekit.patch
Diffstat (limited to 'consolekit.c')
-rw-r--r-- | consolekit.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/consolekit.c b/consolekit.c new file mode 100644 index 000000000..f1039e652 --- /dev/null +++ b/consolekit.c | |||
@@ -0,0 +1,240 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2008 Colin Watson. All rights reserved. | ||
3 | * | ||
4 | * Permission to use, copy, modify, and distribute this software for any | ||
5 | * purpose with or without fee is hereby granted, provided that the above | ||
6 | * copyright notice and this permission notice appear in all copies. | ||
7 | * | ||
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | ||
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | ||
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
15 | */ | ||
16 | /* | ||
17 | * Loosely based on pam-ck-connector, which is: | ||
18 | * | ||
19 | * Copyright (c) 2007 David Zeuthen <davidz@redhat.com> | ||
20 | * | ||
21 | * Permission is hereby granted, free of charge, to any person | ||
22 | * obtaining a copy of this software and associated documentation | ||
23 | * files (the "Software"), to deal in the Software without | ||
24 | * restriction, including without limitation the rights to use, | ||
25 | * copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
26 | * copies of the Software, and to permit persons to whom the | ||
27 | * Software is furnished to do so, subject to the following | ||
28 | * conditions: | ||
29 | * | ||
30 | * The above copyright notice and this permission notice shall be | ||
31 | * included in all copies or substantial portions of the Software. | ||
32 | * | ||
33 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | ||
34 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES | ||
35 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | ||
36 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT | ||
37 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | ||
38 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
39 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | ||
40 | * OTHER DEALINGS IN THE SOFTWARE. | ||
41 | */ | ||
42 | |||
43 | #include "includes.h" | ||
44 | |||
45 | #ifdef USE_CONSOLEKIT | ||
46 | |||
47 | #include <ck-connector.h> | ||
48 | |||
49 | #include "openbsd-compat/sys-queue.h" | ||
50 | #include "xmalloc.h" | ||
51 | #include "channels.h" | ||
52 | #include "key.h" | ||
53 | #include "hostfile.h" | ||
54 | #include "auth.h" | ||
55 | #include "log.h" | ||
56 | #include "servconf.h" | ||
57 | #include "canohost.h" | ||
58 | #include "session.h" | ||
59 | #include "consolekit.h" | ||
60 | |||
61 | extern ServerOptions options; | ||
62 | extern u_int utmp_len; | ||
63 | |||
64 | void | ||
65 | set_active(const char *cookie) | ||
66 | { | ||
67 | DBusError err; | ||
68 | DBusConnection *connection; | ||
69 | DBusMessage *message = NULL, *reply = NULL; | ||
70 | char *sid; | ||
71 | DBusMessageIter iter, subiter; | ||
72 | const char *interface, *property; | ||
73 | dbus_bool_t active; | ||
74 | |||
75 | dbus_error_init(&err); | ||
76 | connection = dbus_bus_get_private(DBUS_BUS_SYSTEM, &err); | ||
77 | if (!connection) { | ||
78 | if (dbus_error_is_set(&err)) { | ||
79 | error("unable to open DBus connection: %s", | ||
80 | err.message); | ||
81 | dbus_error_free(&err); | ||
82 | } | ||
83 | goto out; | ||
84 | } | ||
85 | dbus_connection_set_exit_on_disconnect(connection, FALSE); | ||
86 | |||
87 | message = dbus_message_new_method_call("org.freedesktop.ConsoleKit", | ||
88 | "/org/freedesktop/ConsoleKit/Manager", | ||
89 | "org.freedesktop.ConsoleKit.Manager", | ||
90 | "GetSessionForCookie"); | ||
91 | if (!message) | ||
92 | goto out; | ||
93 | if (!dbus_message_append_args(message, DBUS_TYPE_STRING, &cookie, | ||
94 | DBUS_TYPE_INVALID)) { | ||
95 | if (dbus_error_is_set(&err)) { | ||
96 | error("unable to get current session: %s", | ||
97 | err.message); | ||
98 | dbus_error_free(&err); | ||
99 | } | ||
100 | goto out; | ||
101 | } | ||
102 | |||
103 | dbus_error_init(&err); | ||
104 | reply = dbus_connection_send_with_reply_and_block(connection, message, | ||
105 | -1, &err); | ||
106 | if (!reply) { | ||
107 | if (dbus_error_is_set(&err)) { | ||
108 | error("unable to get current session: %s", | ||
109 | err.message); | ||
110 | dbus_error_free(&err); | ||
111 | } | ||
112 | goto out; | ||
113 | } | ||
114 | |||
115 | dbus_error_init(&err); | ||
116 | if (!dbus_message_get_args(reply, &err, | ||
117 | DBUS_TYPE_OBJECT_PATH, &sid, | ||
118 | DBUS_TYPE_INVALID)) { | ||
119 | if (dbus_error_is_set(&err)) { | ||
120 | error("unable to get current session: %s", | ||
121 | err.message); | ||
122 | dbus_error_free(&err); | ||
123 | } | ||
124 | goto out; | ||
125 | } | ||
126 | dbus_message_unref(reply); | ||
127 | dbus_message_unref(message); | ||
128 | message = reply = NULL; | ||
129 | |||
130 | message = dbus_message_new_method_call("org.freedesktop.ConsoleKit", | ||
131 | sid, "org.freedesktop.DBus.Properties", "Set"); | ||
132 | if (!message) | ||
133 | goto out; | ||
134 | interface = "org.freedesktop.ConsoleKit.Session"; | ||
135 | property = "active"; | ||
136 | if (!dbus_message_append_args(message, | ||
137 | DBUS_TYPE_STRING, &interface, DBUS_TYPE_STRING, &property, | ||
138 | DBUS_TYPE_INVALID)) | ||
139 | goto out; | ||
140 | dbus_message_iter_init_append(message, &iter); | ||
141 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, | ||
142 | DBUS_TYPE_BOOLEAN_AS_STRING, &subiter)) | ||
143 | goto out; | ||
144 | active = TRUE; | ||
145 | if (!dbus_message_iter_append_basic(&subiter, DBUS_TYPE_BOOLEAN, | ||
146 | &active)) | ||
147 | goto out; | ||
148 | if (!dbus_message_iter_close_container(&iter, &subiter)) | ||
149 | goto out; | ||
150 | |||
151 | dbus_error_init(&err); | ||
152 | reply = dbus_connection_send_with_reply_and_block(connection, message, | ||
153 | -1, &err); | ||
154 | if (!reply) { | ||
155 | if (dbus_error_is_set(&err)) { | ||
156 | error("unable to make current session active: %s", | ||
157 | err.message); | ||
158 | dbus_error_free(&err); | ||
159 | } | ||
160 | goto out; | ||
161 | } | ||
162 | |||
163 | out: | ||
164 | if (reply) | ||
165 | dbus_message_unref(reply); | ||
166 | if (message) | ||
167 | dbus_message_unref(message); | ||
168 | } | ||
169 | |||
170 | /* | ||
171 | * We pass display separately rather than using s->display because the | ||
172 | * latter is not available in the monitor when using privsep. | ||
173 | */ | ||
174 | |||
175 | char * | ||
176 | consolekit_register(Session *s, const char *display) | ||
177 | { | ||
178 | DBusError err; | ||
179 | const char *tty = s->tty; | ||
180 | const char *remote_host_name; | ||
181 | dbus_bool_t is_local = FALSE; | ||
182 | const char *cookie = NULL; | ||
183 | |||
184 | if (s->ckc) { | ||
185 | debug("already registered with ConsoleKit"); | ||
186 | return xstrdup(ck_connector_get_cookie(s->ckc)); | ||
187 | } | ||
188 | |||
189 | s->ckc = ck_connector_new(); | ||
190 | if (!s->ckc) { | ||
191 | error("ck_connector_new failed"); | ||
192 | return NULL; | ||
193 | } | ||
194 | |||
195 | if (!tty) | ||
196 | tty = ""; | ||
197 | if (!display) | ||
198 | display = ""; | ||
199 | remote_host_name = get_remote_name_or_ip(utmp_len, options.use_dns); | ||
200 | if (!remote_host_name) | ||
201 | remote_host_name = ""; | ||
202 | |||
203 | dbus_error_init(&err); | ||
204 | if (!ck_connector_open_session_with_parameters(s->ckc, &err, | ||
205 | "unix-user", &s->pw->pw_uid, | ||
206 | "display-device", &tty, | ||
207 | "x11-display", &display, | ||
208 | "remote-host-name", &remote_host_name, | ||
209 | "is-local", &is_local, | ||
210 | NULL)) { | ||
211 | if (dbus_error_is_set(&err)) { | ||
212 | debug("%s", err.message); | ||
213 | dbus_error_free(&err); | ||
214 | } else { | ||
215 | debug("insufficient privileges or D-Bus / ConsoleKit " | ||
216 | "not available"); | ||
217 | } | ||
218 | return NULL; | ||
219 | } | ||
220 | |||
221 | debug("registered uid=%d on tty='%s' with ConsoleKit", | ||
222 | s->pw->pw_uid, s->tty); | ||
223 | |||
224 | cookie = ck_connector_get_cookie(s->ckc); | ||
225 | set_active(cookie); | ||
226 | return xstrdup(cookie); | ||
227 | } | ||
228 | |||
229 | void | ||
230 | consolekit_unregister(Session *s) | ||
231 | { | ||
232 | if (s->ckc) { | ||
233 | debug("unregistering ConsoleKit session %s", | ||
234 | ck_connector_get_cookie(s->ckc)); | ||
235 | ck_connector_unref(s->ckc); | ||
236 | s->ckc = NULL; | ||
237 | } | ||
238 | } | ||
239 | |||
240 | #endif /* USE_CONSOLEKIT */ | ||