Bug Summary

File:cafe-session/main.c
Warning:line 522, column 2
Access of 'char *' element in the heap area at index 4

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name main.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/rootdir/cafe-session -fcoverage-compilation-dir=/rootdir/cafe-session -resource-dir /usr/lib/llvm-19/lib/clang/19 -D HAVE_CONFIG_H -I . -I .. -I /usr/include/glib-2.0 -I /usr/lib/x86_64-linux-gnu/glib-2.0/include -I /usr/include/sysprof-6 -I /usr/include/libmount -I /usr/include/blkid -I /usr/include/ctk-3.0 -I /usr/include/pango-1.0 -I /usr/include/harfbuzz -I /usr/include/freetype2 -I /usr/include/libpng16 -I /usr/include/fribidi -I /usr/include/cairo -I /usr/include/pixman-1 -I /usr/include/gdk-pixbuf-2.0 -I /usr/include/x86_64-linux-gnu -I /usr/include/webp -I /usr/include/gio-unix-2.0 -I /usr/include/atk-1.0 -I /usr/include/at-spi2-atk/2.0 -I /usr/include/at-spi-2.0 -I /usr/include/dbus-1.0 -I /usr/lib/x86_64-linux-gnu/dbus-1.0/include -I /usr/include/uuid -I ../egg -D LOCALE_DIR="/usr/share/locale" -D DATA_DIR="/usr/share/cafe-session" -D LIBEXECDIR="/usr/libexec" -D CTKBUILDER_DIR="/usr/share/cafe-session-manager" -D I_KNOW_THE_DEVICEKIT_POWER_API_IS_SUBJECT_TO_CHANGE -internal-isystem /usr/lib/llvm-19/lib/clang/19/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -ferror-limit 19 -fgnuc-version=4.2.1 -fskip-odr-check-in-gmf -analyzer-checker deadcode.DeadStores -analyzer-checker alpha.deadcode.UnreachableCode -analyzer-checker alpha.core.CastSize -analyzer-checker alpha.core.CastToStruct -analyzer-checker alpha.core.IdenticalExpr -analyzer-checker alpha.security.ArrayBoundV2 -analyzer-checker alpha.security.MallocOverflow -analyzer-checker alpha.security.ReturnPtrRange -analyzer-checker alpha.unix.SimpleStream -analyzer-checker alpha.unix.cstring.BufferOverlap -analyzer-checker alpha.unix.cstring.NotNullTerminated -analyzer-checker alpha.unix.cstring.OutOfBounds -analyzer-checker alpha.core.FixedAddr -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /rootdir/html-report/2025-01-23-170107-18295-1 -x c main.c
1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
2 *
3 * Copyright (C) 2006 Novell, Inc.
4 * Copyright (C) 2008 Red Hat, Inc.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of the
9 * License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19 * 02110-1301, USA.
20 */
21
22#include <config.h>
23
24#include <libintl.h>
25#include <signal.h>
26#include <stdlib.h>
27#include <string.h>
28#include <unistd.h>
29#include <errno(*__errno_location ()).h>
30#include <time.h>
31
32#include <glib/gi18n.h>
33#include <glib.h>
34#include <ctk/ctk.h>
35#include <gio/gio.h>
36
37#include <dbus/dbus.h>
38#include <dbus/dbus-glib.h>
39#include <dbus/dbus-glib-bindings.h>
40#include <dbus/dbus-glib-lowlevel.h>
41
42#include "cdm-signal-handler.h"
43#include "cdm-log.h"
44
45#include "csm-consolekit.h"
46#ifdef HAVE_SYSTEMD1
47#include "csm-systemd.h"
48#endif
49#include "csm-util.h"
50#include "csm-manager.h"
51#include "csm-xsmp-server.h"
52#include "csm-store.h"
53
54#include "msm-gnome.h"
55
56#define CSM_SCHEMA"org.cafe.session" "org.cafe.session"
57#define CSM_DEFAULT_SESSION_KEY"default-session" "default-session"
58#define CSM_REQUIRED_COMPONENTS_SCHEMA"org.cafe.session" ".required-components" CSM_SCHEMA"org.cafe.session" ".required-components"
59#define CSM_REQUIRED_COMPONENTS_LIST_KEY"required-components-list" "required-components-list"
60
61#define ACCESSIBILITY_KEY"accessibility" "accessibility"
62#define ACCESSIBILITY_SCHEMA"org.cafe.interface" "org.cafe.interface"
63
64#define DEBUG_SCHEMA"org.cafe.debug" "org.cafe.debug"
65#define DEBUG_KEY"cafe-session" "cafe-session"
66
67#define VISUAL_SCHEMA"org.cafe.applications-at-visual" "org.cafe.applications-at-visual"
68#define VISUAL_KEY"exec" "exec"
69#define VISUAL_STARTUP_KEY"startup" "startup"
70
71#define MOBILITY_SCHEMA"org.cafe.applications-at-mobility" "org.cafe.applications-at-mobility"
72#define MOBILITY_KEY"exec" "exec"
73#define MOBILITY_STARTUP_KEY"startup" "startup"
74
75#define CAFE_INTERFACE_SCHEMA"org.cafe.interface" "org.cafe.interface"
76#define CTK_OVERLAY_SCROLL"ctk-overlay-scrolling" "ctk-overlay-scrolling"
77
78#define CSM_DBUS_NAME"org.gnome.SessionManager" "org.gnome.SessionManager"
79
80#define KEY_AUTOSAVE"auto-save-session" "auto-save-session"
81
82static gboolean failsafe = FALSE(0);
83static gboolean show_version = FALSE(0);
84static gboolean debug = FALSE(0);
85static gboolean disable_acceleration_check = FALSE(0);
86static char *gl_renderer = NULL((void*)0);
87
88static gboolean
89initialize_gsettings (void)
90{
91 GSettings* settings;
92 time_t now = time (0);
93 gboolean ret;
94
95 settings = g_settings_new (CSM_SCHEMA"org.cafe.session");
96
97 if (!settings)
98 return FALSE(0);
99
100 ret = g_settings_set_int (settings, "session-start", now);
101
102 g_settings_sync ();
103
104 g_object_unref (settings);
105
106 return ret;
107}
108
109static void on_bus_name_lost(DBusGProxy* bus_proxy, const char* name, gpointer data)
110{
111 g_warning("Lost name on bus: %s, exiting", name);
112 exit(1);
113}
114
115static gboolean acquire_name_on_proxy(DBusGProxy* bus_proxy, const char* name)
116{
117 GError* error;
118 guint result;
119 gboolean res;
120 gboolean ret;
121
122 ret = FALSE(0);
123
124 if (bus_proxy == NULL((void*)0))
125 {
126 goto out;
127 }
128
129 error = NULL((void*)0);
130 res = dbus_g_proxy_call(bus_proxy, "RequestName", &error, G_TYPE_STRING((GType) ((16) << (2))), name, G_TYPE_UINT((GType) ((7) << (2))), 0, G_TYPE_INVALID((GType) ((0) << (2))), G_TYPE_UINT((GType) ((7) << (2))), &result, G_TYPE_INVALID((GType) ((0) << (2))));
131
132 if (! res)
133 {
134 if (error != NULL((void*)0))
135 {
136 g_warning("Failed to acquire %s: %s", name, error->message);
137 g_error_free(error);
138 }
139 else
140 {
141 g_warning ("Failed to acquire %s", name);
142 }
143
144 goto out;
145 }
146
147 if (result != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER1)
148 {
149 if (error != NULL((void*)0))
150 {
151 g_warning("Failed to acquire %s: %s", name, error->message);
152 g_error_free(error);
153 }
154 else
155 {
156 g_warning("Failed to acquire %s", name);
157 }
158
159 goto out;
160 }
161
162 /* register for name lost */
163 dbus_g_proxy_add_signal(bus_proxy, "NameLost", G_TYPE_STRING((GType) ((16) << (2))), G_TYPE_INVALID((GType) ((0) << (2))));
164 dbus_g_proxy_connect_signal(bus_proxy, "NameLost", G_CALLBACK(on_bus_name_lost)((GCallback) (on_bus_name_lost)), NULL((void*)0), NULL((void*)0));
165
166 ret = TRUE(!(0));
167
168 out:
169
170 return ret;
171}
172
173static gboolean acquire_name(void)
174{
175 DBusGProxy* bus_proxy;
176 GError* error;
177 DBusGConnection* connection;
178
179 error = NULL((void*)0);
180 connection = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
181
182 if (connection == NULL((void*)0))
183 {
184 csm_util_init_error(TRUE(!(0)), "Could not connect to session bus: %s", error->message);
185 /* not reached */
186 }
187
188 bus_proxy = dbus_g_proxy_new_for_name(connection, DBUS_SERVICE_DBUS"org.freedesktop.DBus", DBUS_PATH_DBUS"/org/freedesktop/DBus", DBUS_INTERFACE_DBUS"org.freedesktop.DBus");
189
190 if (!acquire_name_on_proxy(bus_proxy, CSM_DBUS_NAME"org.gnome.SessionManager"))
191 {
192 csm_util_init_error(TRUE(!(0)), "%s", "Could not acquire name on session bus");
193 /* not reached */
194 }
195
196 g_object_unref(bus_proxy);
197
198 return TRUE(!(0));
199}
200
201/* This doesn't contain the required components, so we need to always
202 * call append_required_apps() after a call to append_default_apps(). */
203static void append_default_apps(CsmManager* manager, const char* default_session_key, char** autostart_dirs)
204{
205 gint i;
206 gchar** default_apps;
207 GSettings* settings;
208
209 g_debug("main: *** Adding default apps");
210
211 g_assert(default_session_key != NULL)do { if (default_session_key != ((void*)0)) ; else g_assertion_message_expr
(((gchar*) 0), "main.c", 211, ((const char*) (__func__)), "default_session_key != NULL"
); } while (0);
212 g_assert(autostart_dirs != NULL)do { if (autostart_dirs != ((void*)0)) ; else g_assertion_message_expr
(((gchar*) 0), "main.c", 212, ((const char*) (__func__)), "autostart_dirs != NULL"
); } while (0);
213
214 settings = g_settings_new (CSM_SCHEMA"org.cafe.session");
215 default_apps = g_settings_get_strv (settings, default_session_key);
216 g_object_unref(settings);
217
218 for (i = 0; default_apps[i]; i++)
219 {
220 char* app_path;
221
222 if (IS_STRING_EMPTY((char*) default_apps[i])(((char*) default_apps[i])==((void*)0)||((char*) default_apps
[i])[0]=='\0'))
223 {
224 continue;
225 }
226
227 app_path = csm_util_find_desktop_file_for_app_name(default_apps[i], autostart_dirs);
228
229 if (app_path != NULL((void*)0))
230 {
231 csm_manager_add_autostart_app(manager, app_path, NULL((void*)0));
232 g_free(app_path);
233 }
234 }
235
236 g_strfreev (default_apps);
237}
238
239static void append_required_apps(CsmManager* manager)
240{
241 gchar** required_components;
242 gint i;
243 GSettings* settings;
244 GSettings* settings_required_components;
245
246 g_debug("main: *** Adding required apps");
247
248 settings = g_settings_new (CSM_SCHEMA"org.cafe.session");
249 settings_required_components = g_settings_new (CSM_REQUIRED_COMPONENTS_SCHEMA"org.cafe.session" ".required-components");
250
251 required_components = g_settings_get_strv(settings, CSM_REQUIRED_COMPONENTS_LIST_KEY"required-components-list");
252
253 if (required_components == NULL((void*)0))
254 {
255 g_warning("No required applications specified");
256 }
257 else
258 {
259 for (i = 0; required_components[i]; i++)
260 {
261 char* default_provider;
262 const char* component;
263
264 if (IS_STRING_EMPTY((char*) required_components[i])(((char*) required_components[i])==((void*)0)||((char*) required_components
[i])[0]=='\0'))
265 {
266 continue;
267 }
268
269 component = required_components[i];
270
271 default_provider = g_settings_get_string (settings_required_components, component);
272
273 g_debug ("main: %s looking for component: '%s'", component, default_provider);
274
275 if (default_provider != NULL((void*)0))
276 {
277 char* app_path;
278
279 app_path = csm_util_find_desktop_file_for_app_name(default_provider, NULL((void*)0));
280
281 if (app_path != NULL((void*)0))
282 {
283 csm_manager_add_autostart_app(manager, app_path, component);
284 }
285 else
286 {
287 g_warning("Unable to find provider '%s' of required component '%s'", default_provider, component);
288 }
289
290 g_free(app_path);
291 }
292
293 g_free(default_provider);
294 }
295 }
296
297 g_debug("main: *** Done adding required apps");
298
299 g_strfreev(required_components);
300
301 g_object_unref(settings);
302 g_object_unref(settings_required_components);
303}
304
305static void append_accessibility_apps(CsmManager* manager)
306{
307 GSettings* mobility_settings;
308 GSettings* visual_settings;
309
310 g_debug("main: *** Adding accesibility apps");
311
312 mobility_settings = g_settings_new (MOBILITY_SCHEMA"org.cafe.applications-at-mobility");
313 visual_settings = g_settings_new (VISUAL_SCHEMA"org.cafe.applications-at-visual");
314
315 if (g_settings_get_boolean (mobility_settings, MOBILITY_STARTUP_KEY"startup"))
316 {
317 gchar *mobility_exec;
318 mobility_exec = g_settings_get_string (mobility_settings, MOBILITY_KEY"exec");
319 if (mobility_exec != NULL((void*)0) && mobility_exec[0] != 0)
320 {
321 char* app_path;
322 app_path = csm_util_find_desktop_file_for_app_name(mobility_exec, NULL((void*)0));
323 if (app_path != NULL((void*)0))
324 {
325 csm_manager_add_autostart_app(manager, app_path, NULL((void*)0));
326 g_free (app_path);
327 }
328 g_free (mobility_exec);
329 }
330 }
331
332 if (g_settings_get_boolean (visual_settings, VISUAL_STARTUP_KEY"startup"))
333 {
334 gchar *visual_exec;
335 visual_exec = g_settings_get_string (visual_settings, VISUAL_KEY"exec");
336 if (visual_exec != NULL((void*)0) && visual_exec[0] != 0)
337 {
338 char* app_path;
339 app_path = csm_util_find_desktop_file_for_app_name(visual_exec, NULL((void*)0));
340 if (app_path != NULL((void*)0))
341 {
342 csm_manager_add_autostart_app(manager, app_path, NULL((void*)0));
343 g_free (app_path);
344 }
345 g_free (visual_exec);
346 }
347 }
348
349 g_object_unref (mobility_settings);
350 g_object_unref (visual_settings);
351}
352
353static void maybe_load_saved_session_apps(CsmManager* manager)
354{
355 CsmConsolekit* consolekit = NULL((void*)0);
356#ifdef HAVE_SYSTEMD1
357 CsmSystemd* systemd = NULL((void*)0);
358#endif
359 char* session_type;
360 gboolean is_login;
361
362#ifdef HAVE_SYSTEMD1
363 if (LOGIND_RUNNING()(access("/run/systemd/seats/", 0) >= 0)) {
364 systemd = csm_get_systemd();
365 session_type = csm_systemd_get_current_session_type(systemd);
366 is_login = g_strcmp0 (session_type, CSM_SYSTEMD_SESSION_TYPE_LOGIN_WINDOW"greeter") == 0;
367 }
368 else {
369#endif
370 consolekit = csm_get_consolekit();
371 session_type = csm_consolekit_get_current_session_type(consolekit);
372 is_login = g_strcmp0 (session_type, CSM_CONSOLEKIT_SESSION_TYPE_LOGIN_WINDOW"LoginWindow") == 0;
373#ifdef HAVE_SYSTEMD1
374 }
375#endif
376
377 if (!is_login)
378 {
379 GSettings* settings;
380 gboolean autostart;
381
382 settings = g_settings_new (CSM_SCHEMA"org.cafe.session");
383 autostart = g_settings_get_boolean (settings, KEY_AUTOSAVE"auto-save-session");
384 g_object_unref (settings);
385
386 if (autostart == TRUE(!(0)))
387 csm_manager_add_autostart_apps_from_dir(manager, csm_util_get_saved_session_dir());
388 }
389
390 if (consolekit != NULL((void*)0))
391 g_object_unref(consolekit);
392#ifdef HAVE_SYSTEMD1
393 if (systemd != NULL((void*)0))
394 g_object_unref(systemd);
395#endif
396 g_free(session_type);
397}
398
399static void load_standard_apps (CsmManager* manager, const char* default_session_key)
400{
401 char** autostart_dirs;
402 int i;
403
404 autostart_dirs = csm_util_get_autostart_dirs();
405
406 if (!failsafe)
407 {
408 maybe_load_saved_session_apps(manager);
409
410 for (i = 0; autostart_dirs[i]; i++)
411 {
412 csm_manager_add_autostart_apps_from_dir(manager, autostart_dirs[i]);
413 }
414 }
415
416 /* We do this at the end in case a saved session contains an
417 * application that already provides one of the components. */
418 append_default_apps(manager, default_session_key, autostart_dirs);
419 append_required_apps(manager);
420 append_accessibility_apps(manager);
421
422 g_strfreev(autostart_dirs);
423}
424
425static void load_override_apps(CsmManager* manager, char** override_autostart_dirs)
426{
427 int i;
428
429 for (i = 0; override_autostart_dirs[i]; i++)
430 {
431 csm_manager_add_autostart_apps_from_dir(manager, override_autostart_dirs[i]);
432 }
433}
434
435static gboolean signal_cb(int signo, gpointer data)
436{
437 int ret;
438 CsmManager* manager;
439
440 g_debug("Got callback for signal %d", signo);
441
442 ret = TRUE(!(0));
443
444 switch (signo)
445 {
446 case SIGFPE8:
447 case SIGPIPE13:
448 /* let the fatal signals interrupt us */
449 g_debug ("Caught signal %d, shutting down abnormally.", signo);
450 ret = FALSE(0);
451 break;
452 case SIGINT2:
453 case SIGTERM15:
454 manager = (CsmManager*) data;
455 csm_manager_logout(manager, CSM_MANAGER_LOGOUT_MODE_FORCE, NULL((void*)0));
456
457 /* let the fatal signals interrupt us */
458 g_debug("Caught signal %d, shutting down normally.", signo);
459 ret = TRUE(!(0));
460 break;
461 case SIGHUP1:
462 g_debug("Got HUP signal");
463 ret = TRUE(!(0));
464 break;
465 case SIGUSR110:
466 g_debug("Got USR1 signal");
467 ret = TRUE(!(0));
468 cdm_log_toggle_debug();
469 break;
470 default:
471 g_debug("Caught unhandled signal %d", signo);
472 ret = TRUE(!(0));
473
474 break;
475 }
476
477 return ret;
478}
479
480static void shutdown_cb(gpointer data)
481{
482 CsmManager* manager = (CsmManager*) data;
483 g_debug("Calling shutdown callback function");
484
485 /*
486 * When the signal handler gets a shutdown signal, it calls
487 * this function to inform CsmManager to not restart
488 * applications in the off chance a handler is already queued
489 * to dispatch following the below call to ctk_main_quit.
490 */
491 csm_manager_set_phase(manager, CSM_MANAGER_PHASE_EXIT);
492
493 ctk_main_quit();
494}
495
496static gboolean require_dbus_session(int argc, char** argv, GError** error)
497{
498 char** new_argv;
499 int i;
500
501 if (g_getenv("DBUS_SESSION_BUS_ADDRESS"))
2
←
Assuming the condition is false
→
502 {
503 return TRUE(!(0));
504 }
505
506 /* Just a sanity check to prevent infinite recursion if
507 * dbus-launch fails to set DBUS_SESSION_BUS_ADDRESS
508 */
509 g_return_val_if_fail(!g_str_has_prefix(argv[0], "dbus-launch"), TRUE)do { if ((!(__builtin_constant_p ("dbus-launch")? __extension__
({ const char * const __str = (argv[0]); const char * const __prefix
= ("dbus-launch"); gboolean __result = (0); if (__str == ((void
*)0) || __prefix == ((void*)0)) __result = (g_str_has_prefix)
(__str, __prefix); else { const size_t __str_len = strlen ((
(__str) + !(__str))); const size_t __prefix_len = strlen (((__prefix
) + !(__prefix))); if (__str_len >= __prefix_len) __result
= memcmp (((__str) + !(__str)), ((__prefix) + !(__prefix)), __prefix_len
) == 0; } __result; }) : (g_str_has_prefix) (argv[0], "dbus-launch"
) ))) { } else { g_return_if_fail_warning (((gchar*) 0), ((const
char*) (__func__)), "!g_str_has_prefix(argv[0], \"dbus-launch\")"
); return ((!(0))); } } while (0);
3
←
Taking false branch
→
4
←
'?' condition is true
→
5
←
Assuming '__str' is equal to null
→
6
←
Assuming the condition is true
→
7
←
Taking true branch
→
8
←
Loop condition is false. Exiting loop
→
510
511 /* +2 for our new arguments, +1 for NULL */
512 new_argv = g_malloc(argc + 3 * sizeof (*argv));
513
514 new_argv[0] = "dbus-launch";
515 new_argv[1] = "--exit-with-session";
516
517 for (i = 0; i
8.1
'i' is < 'argc'
 < argc; i++)
9
←
Loop condition is true. Entering loop body
→
10
←
Assuming 'i' is < 'argc'
→
11
←
Loop condition is true. Entering loop body
→
12
←
Assuming 'i' is >= 'argc'
→
13
←
Loop condition is false. Execution continues on line 522
→
518 {
519 new_argv[i + 2] = argv[i];
520 }
521
522 new_argv[i + 2] = NULL((void*)0);
14
←
Access of 'char *' element in the heap area at index 4
523
524 if (!execvp("dbus-launch", new_argv))
525 {
526 g_set_error(error, G_SPAWN_ERRORg_spawn_error_quark (), G_SPAWN_ERROR_FAILED, "No session bus and could not exec dbus-launch: %s", g_strerror(errno(*__errno_location ())));
527 g_free (new_argv);
528 return FALSE(0);
529 }
530
531 g_free (new_argv);
532
533 /* Should not be reached */
534 return TRUE(!(0));
535}
536
537static void
538debug_changed (GSettings *settings, gchar *key, gpointer user_data)
539{
540 debug = g_settings_get_boolean (settings, DEBUG_KEY"cafe-session");
541 cdm_log_set_debug (debug);
542}
543
544static gboolean
545schema_exists (const gchar* schema_name)
546{
547 GSettingsSchemaSource *source;
548 GSettingsSchema *schema;
549 gboolean exists;
550
551 source = g_settings_schema_source_get_default();
552 schema = g_settings_schema_source_lookup (source, schema_name, FALSE(0));
553 exists = (schema != NULL((void*)0));
554 if (schema)
555 g_settings_schema_unref (schema);
556
557 return exists;
558}
559
560static void set_overlay_scroll (void)
561{
562 GSettings *settings;
563 gboolean enabled;
564
565 settings = g_settings_new (CAFE_INTERFACE_SCHEMA"org.cafe.interface");
566 enabled = g_settings_get_boolean (settings, CTK_OVERLAY_SCROLL"ctk-overlay-scrolling");
567
568 if (enabled) {
569 csm_util_setenv ("CTK_OVERLAY_SCROLLING", "1");
570 } else {
571 csm_util_setenv ("CTK_OVERLAY_SCROLLING", "0");
572 }
573
574 g_object_unref (settings);
575}
576
577static gboolean
578check_gl (GError **error)
579{
580 int status;
581 char *argv[] = { LIBEXECDIR"/usr/libexec" "/cafe-session-check-accelerated", NULL((void*)0) };
582
583 if (getenv ("DISPLAY") == NULL((void*)0)) {
584 /* Not connected to X11, someone else will take care of checking GL */
585 return TRUE(!(0));
586 }
587
588 if (!g_spawn_sync (NULL((void*)0), (char **) argv, NULL((void*)0), 0, NULL((void*)0), NULL((void*)0), &gl_renderer, NULL((void*)0),
589 &status, error)) {
590 return FALSE(0);
591 }
592
593 return g_spawn_check_exit_status (status, error);
594}
595
596int main(int argc, char** argv)
597{
598 struct sigaction sa;
599 GError* error;
600 const char* display_str;
601 CsmManager* manager;
602 CsmStore* client_store;
603 CsmXsmpServer* xsmp_server;
604 GSettings* debug_settings = NULL((void*)0);
605 GSettings* accessibility_settings;
606 CdmSignalHandler* signal_handler;
607 static char** override_autostart_dirs = NULL((void*)0);
608 gboolean gl_failed = FALSE(0);
609
610 static GOptionEntry entries[] = {
611 {"autostart", 'a', 0, G_OPTION_ARG_STRING_ARRAY, &override_autostart_dirs, N_("Override standard autostart directories")("Override standard autostart directories"), NULL((void*)0)},
612 {"debug", 0, 0, G_OPTION_ARG_NONE, &debug, N_("Enable debugging code")("Enable debugging code"), NULL((void*)0)},
613 {"failsafe", 'f', 0, G_OPTION_ARG_NONE, &failsafe, N_("Do not load user-specified applications")("Do not load user-specified applications"), NULL((void*)0)},
614 {"version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Version of this application")("Version of this application"), NULL((void*)0)},
615 { "disable-acceleration-check", 0, 0, G_OPTION_ARG_NONE, &disable_acceleration_check, N_("Disable hardware acceleration check")("Disable hardware acceleration check"), NULL((void*)0) },
616 {NULL((void*)0), 0, 0, 0, NULL((void*)0), NULL((void*)0), NULL((void*)0) }
617 };
618
619 /* Make sure that we have a session bus */
620 if (!require_dbus_session(argc, argv, &error))
1
Calling 'require_dbus_session'
→
621 {
622 csm_util_init_error(TRUE(!(0)), "%s", error->message);
623 }
624
625 bindtextdomain(GETTEXT_PACKAGE"cafe-session-manager", LOCALE_DIR"/usr/share/locale");
626 bind_textdomain_codeset(GETTEXT_PACKAGE"cafe-session-manager", "UTF-8");
627 textdomain(GETTEXT_PACKAGE"cafe-session-manager");
628
629 sa.sa_handler__sigaction_handler.sa_handler = SIG_IGN((__sighandler_t) 1);
630 sa.sa_flags = 0;
631 sigemptyset(&sa.sa_mask);
632 sigaction(SIGPIPE13, &sa, 0);
633
634 error = NULL((void*)0);
635 ctk_init_with_args(&argc, &argv, (char*) _(" - the CAFE session manager")gettext (" - the CAFE session manager"), entries, GETTEXT_PACKAGE"cafe-session-manager", &error);
636
637 if (error != NULL((void*)0))
638 {
639 g_warning("%s", error->message);
640 exit(1);
641 }
642
643 if (show_version)
644 {
645 g_print("%s %s\n", g_get_application_name(), VERSION"1.25.0");
646 exit(1);
647 }
648
649 csm_util_export_activation_environment (NULL((void*)0));
650
651#ifdef HAVE_SYSTEMD1
652 csm_util_export_user_environment (NULL((void*)0));
653#endif
654
655 cdm_log_init();
656
657 /* Allows to enable/disable debug from GSettings only if it is not set from argument */
658 if (!debug && schema_exists(DEBUG_SCHEMA"org.cafe.debug"))
659 {
660 debug_settings = g_settings_new (DEBUG_SCHEMA"org.cafe.debug");
661 g_signal_connect (debug_settings, "changed::" DEBUG_KEY, G_CALLBACK (debug_changed), NULL)g_signal_connect_data ((debug_settings), ("changed::" "cafe-session"
), (((GCallback) (debug_changed))), (((void*)0)), ((void*)0),
(GConnectFlags) 0);
662 debug = g_settings_get_boolean (debug_settings, DEBUG_KEY"cafe-session");
663 }
664
665 cdm_log_set_debug(debug);
666
667 if (disable_acceleration_check) {
668 g_debug ("hardware acceleration check is disabled");
669 } else {
670 /* Check GL, if it doesn't work out then force software fallback */
671 if (!check_gl (&error)) {
672 gl_failed = TRUE(!(0));
673
674 g_debug ("hardware acceleration check failed: %s",
675 error? error->message : "");
676 g_clear_error (&error);
677 if (g_getenv ("LIBGL_ALWAYS_SOFTWARE") == NULL((void*)0)) {
678 g_setenv ("LIBGL_ALWAYS_SOFTWARE", "1", TRUE(!(0)));
679 if (!check_gl (&error)) {
680 g_warning ("software acceleration check failed: %s",
681 error? error->message : "");
682 g_clear_error (&error);
683 } else {
684 gl_failed = FALSE(0);
685 }
686 }
687 }
688 }
689
690 if (gl_failed) {
691 g_warning ("gl_failed!");
692 }
693
694 if (g_getenv ("XDG_CURRENT_DESKTOP") == NULL((void*)0))
695 csm_util_setenv ("XDG_CURRENT_DESKTOP", "CAFE");
696
697 /* Set DISPLAY explicitly for all our children, in case --display
698 * was specified on the command line.
699 */
700 display_str = cdk_display_get_name (cdk_display_get_default());
701 csm_util_setenv("DISPLAY", display_str);
702
703 /* Some third-party programs rely on CAFE_DESKTOP_SESSION_ID to
704 * detect if CAFE is running. We keep this for compatibility reasons.
705 */
706 csm_util_setenv("CAFE_DESKTOP_SESSION_ID", "this-is-deprecated");
707
708 /*
709 * Make sure gsettings is set up correctly. If not, then bail.
710 */
711
712 if (initialize_gsettings () != TRUE(!(0)))
713 exit (1);
714
715 /* Look if accessibility is enabled */
716 accessibility_settings = g_settings_new (ACCESSIBILITY_SCHEMA"org.cafe.interface");
717 if (g_settings_get_boolean (accessibility_settings, ACCESSIBILITY_KEY"accessibility"))
718 {
719 csm_util_setenv("CTK_MODULES", "cail:atk-bridge");
720 }
721 g_object_unref (accessibility_settings);
722
723 client_store = csm_store_new();
724
725 xsmp_server = csm_xsmp_server_new(client_store);
726
727 /* Now make sure they succeeded. (They'll call
728 * csm_util_init_error() if they failed.)
729 */
730 acquire_name();
731
732 /* Starts gnome compat mode */
733 msm_gnome_start();
734
735 /* Set to use Ctk3 overlay scroll */
736 set_overlay_scroll ();
737
738 manager = csm_manager_new(client_store, failsafe);
739
740 signal_handler = cdm_signal_handler_new();
741 cdm_signal_handler_add_fatal(signal_handler);
742 cdm_signal_handler_add(signal_handler, SIGFPE8, signal_cb, NULL((void*)0));
743 cdm_signal_handler_add(signal_handler, SIGHUP1, signal_cb, NULL((void*)0));
744 cdm_signal_handler_add(signal_handler, SIGUSR110, signal_cb, NULL((void*)0));
745 cdm_signal_handler_add(signal_handler, SIGTERM15, signal_cb, manager);
746 cdm_signal_handler_add(signal_handler, SIGINT2, signal_cb, manager);
747 cdm_signal_handler_set_fatal_func(signal_handler, shutdown_cb, manager);
748
749 if (override_autostart_dirs != NULL((void*)0))
750 {
751 load_override_apps(manager, override_autostart_dirs);
752 }
753 else
754 {
755 load_standard_apps(manager, CSM_DEFAULT_SESSION_KEY"default-session");
756 }
757
758 csm_xsmp_server_start(xsmp_server);
759 _csm_manager_set_renderer (manager, gl_renderer);
760 csm_manager_start(manager);
761
762 ctk_main();
763
764 if (xsmp_server != NULL((void*)0))
765 {
766 g_object_unref(xsmp_server);
767 }
768
769 if (manager != NULL((void*)0))
770 {
771 g_debug("Unreffing manager");
772 g_object_unref(manager);
773 }
774
775 if (gl_renderer != NULL((void*)0))
776 {
777 g_free (gl_renderer);
778 }
779
780 if (client_store != NULL((void*)0))
781 {
782 g_object_unref(client_store);
783 }
784
785 if (debug_settings != NULL((void*)0))
786 {
787 g_object_unref(debug_settings);
788 }
789
790 msm_gnome_stop();
791 cdm_log_shutdown();
792
793 return 0;
794}
795