2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 2002-2012 by the Claws Mail Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include <glib/gi18n.h>
35 #include <sys/types.h>
41 #if HAVE_SYS_UTSNAME_H
42 # include <sys/utsname.h>
45 #if defined(__GNU_LIBRARY__) && !defined(__UCLIBC__)
46 # include <gnu/libc-version.h>
55 #include "prefs_common.h"
56 #include "manage_window.h"
59 * NOTE: the crash dialog is called when claws is not
60 * initialized, so do not assume settings are available.
61 * for example, loading / creating pixmaps seems not
67 static GtkWidget *crash_dialog_show (const gchar *text,
68 const gchar *debug_output);
69 static void crash_create_debugger_file (void);
70 static void crash_save_crash_log (GtkButton *, const gchar *);
71 static void crash_create_bug_report (GtkButton *, const gchar *);
72 static void crash_debug (unsigned long crash_pid,
74 GString *debug_output);
75 static const gchar *get_compiled_in_features (void);
76 static const gchar *get_lib_version (void);
77 static const gchar *get_operating_system (void);
78 static gboolean is_crash_dialog_allowed (void);
79 static void crash_handler (int sig);
80 static void crash_cleanup_exit (void);
84 static const gchar *DEBUG_SCRIPT = "thread all apply\nbt full\nkill\nq";
89 *\brief install crash handlers
91 void crash_install_handlers(void)
96 if (!is_crash_dialog_allowed()) return;
101 signal(SIGSEGV, crash_handler);
102 sigaddset(&mask, SIGSEGV);
106 signal(SIGFPE, crash_handler);
107 sigaddset(&mask, SIGFPE);
111 signal(SIGILL, crash_handler);
112 sigaddset(&mask, SIGILL);
116 signal(SIGABRT, crash_handler);
117 sigaddset(&mask, SIGABRT);
120 sigprocmask(SIG_UNBLOCK, &mask, 0);
121 #endif /* CRASH_DIALOG */
127 *\brief crash dialog entry point
129 void crash_main(const char *arg)
137 crash_create_debugger_file();
138 tokens = g_strsplit(arg, ",", 0);
140 pid = atol(tokens[0]);
141 text = g_strdup_printf(_("Claws Mail process (%ld) received signal %ld"),
142 pid, atol(tokens[1]));
144 output = g_string_new("");
145 crash_debug(pid, tokens[2], output);
148 * try to get the settings
150 prefs_common_read_config();
152 crash_dialog_show(text, output->str);
153 g_string_free(output, TRUE);
156 #endif /* CRASH_DIALOG */
160 *\brief show crash dialog
162 *\param text Description
163 *\param debug_output Output text by gdb
165 *\return GtkWidget * Dialog widget
167 static GtkWidget *crash_dialog_show(const gchar *text, const gchar *debug_output)
174 GtkWidget *scrolledwindow1;
176 GtkWidget *hbuttonbox3;
177 GtkWidget *hbuttonbox4;
182 GtkTextBuffer *buffer;
185 window1 = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "crash");
186 gtk_container_set_border_width(GTK_CONTAINER(window1), 5);
187 gtk_window_set_title(GTK_WINDOW(window1), _("Claws Mail has crashed"));
188 gtk_window_set_position(GTK_WINDOW(window1), GTK_WIN_POS_CENTER);
189 gtk_window_set_modal(GTK_WINDOW(window1), TRUE);
190 gtk_window_set_default_size(GTK_WINDOW(window1), 460, 272);
193 vbox1 = gtk_vbox_new(FALSE, 2);
194 gtk_widget_show(vbox1);
195 gtk_container_add(GTK_CONTAINER(window1), vbox1);
197 hbox1 = gtk_hbox_new(FALSE, 4);
198 gtk_widget_show(hbox1);
199 gtk_box_pack_start(GTK_BOX(vbox1), hbox1, FALSE, TRUE, 0);
200 gtk_container_set_border_width(GTK_CONTAINER(hbox1), 4);
202 label1 = gtk_label_new
203 (g_strdup_printf(_("%s.\nPlease file a bug report and include the information below."), text));
204 gtk_widget_show(label1);
205 gtk_box_pack_start(GTK_BOX(hbox1), label1, TRUE, TRUE, 0);
206 gtk_misc_set_alignment(GTK_MISC(label1), 7.45058e-09, 0.5);
208 frame1 = gtk_frame_new(_("Debug log"));
209 gtk_widget_show(frame1);
210 gtk_box_pack_start(GTK_BOX(vbox1), frame1, TRUE, TRUE, 0);
212 scrolledwindow1 = gtk_scrolled_window_new(NULL, NULL);
213 gtk_widget_show(scrolledwindow1);
214 gtk_container_add(GTK_CONTAINER(frame1), scrolledwindow1);
215 gtk_container_set_border_width(GTK_CONTAINER(scrolledwindow1), 3);
216 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwindow1),
217 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
219 text1 = gtk_text_view_new();
220 gtk_text_view_set_editable(GTK_TEXT_VIEW(text1), FALSE);
221 gtk_widget_show(text1);
222 gtk_container_add(GTK_CONTAINER(scrolledwindow1), text1);
224 crash_report = g_strdup_printf(
225 "Claws Mail version %s\n"
226 "GTK+ version %d.%d.%d / GLib %d.%d.%d\n"
227 "Locale: %s (charset: %s)\n"
229 "Operating system: %s\n"
230 "C Library: %s\n--\n%s",
232 gtk_major_version, gtk_minor_version, gtk_micro_version,
233 glib_major_version, glib_minor_version, glib_micro_version,
234 conv_get_current_locale(), conv_get_locale_charset_str(),
235 get_compiled_in_features(),
236 get_operating_system(),
240 buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text1));
241 gtk_text_buffer_get_start_iter(buffer, &iter);
242 gtk_text_buffer_insert(buffer, &iter, crash_report, -1);
244 hbuttonbox3 = gtk_hbutton_box_new();
245 gtk_widget_show(hbuttonbox3);
246 gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox3, FALSE, FALSE, 0);
248 hbuttonbox4 = gtk_hbutton_box_new();
249 gtk_widget_show(hbuttonbox4);
250 gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox4, FALSE, FALSE, 0);
252 button3 = gtk_button_new_with_label(_("Close"));
253 gtk_widget_show(button3);
254 gtk_container_add(GTK_CONTAINER(hbuttonbox4), button3);
255 gtkut_widget_set_can_default(button3, TRUE);
257 button4 = gtk_button_new_with_label(_("Save..."));
258 gtk_widget_show(button4);
259 gtk_container_add(GTK_CONTAINER(hbuttonbox4), button4);
260 gtkut_widget_set_can_default(button4, TRUE);
262 button5 = gtk_button_new_with_label(_("Create bug report"));
263 gtk_widget_show(button5);
264 gtk_container_add(GTK_CONTAINER(hbuttonbox4), button5);
265 gtkut_widget_set_can_default(button5, TRUE);
267 g_signal_connect(G_OBJECT(window1), "delete_event",
268 G_CALLBACK(gtk_main_quit), NULL);
269 g_signal_connect(G_OBJECT(button3), "clicked",
270 G_CALLBACK(gtk_main_quit), NULL);
271 g_signal_connect(G_OBJECT(button4), "clicked",
272 G_CALLBACK(crash_save_crash_log), crash_report);
273 g_signal_connect(G_OBJECT(button5), "clicked",
274 G_CALLBACK(crash_create_bug_report), NULL);
276 MANAGE_WINDOW_SIGNALS_CONNECT(window1);
278 gtk_widget_show(window1);
286 *\brief create debugger script file in claws directory.
287 * all the other options (creating temp files) looked too
290 static void crash_create_debugger_file(void)
292 gchar *filespec = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, DEBUGGERRC, NULL);
294 str_write_to_file(DEBUG_SCRIPT, filespec);
299 *\brief saves crash log to a file
301 static void crash_save_crash_log(GtkButton *button, const gchar *text)
310 lt = localtime_r(&timer, &buft);
311 strftime(buf, sizeof buf, "claws-crash-log-%Y-%m-%d-%H-%M-%S.txt", lt);
312 if (NULL != (filename = filesel_select_file_save(_("Save crash information"), buf))
314 str_write_to_file(text, filename);
319 *\brief create bug report (goes to Claws Mail bug tracker)
321 static void crash_create_bug_report(GtkButton *button, const gchar *data)
323 open_uri(BUGZILLA_URI, prefs_common_get_uri_cmd());
327 *\brief launches debugger and attaches it to crashed claws
329 static void crash_debug(unsigned long crash_pid,
331 GString *debug_output)
338 if (0 == (pid = fork())) {
340 char **argptr = argp;
341 gchar *filespec = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, DEBUGGERRC, NULL);
347 * setup debugger to attach to crashed claws
352 *argptr++ = "--quiet";
353 *argptr++ = "--batch";
355 *argptr++ = filespec;
356 *argptr++ = exe_image;
357 *argptr++ = g_strdup_printf("%ld", crash_pid);
361 * redirect output to write end of pipe
366 if (-1 == execvp("gdb", argp))
367 g_print("error execvp\n");
372 waitpid(pid, NULL, 0);
375 * make it non blocking
377 if (-1 == fcntl(choutput[0], F_SETFL, O_NONBLOCK))
378 g_print("set to non blocking failed\n");
384 r = read(choutput[0], buf, sizeof buf - 1);
387 g_string_append(debug_output, buf);
395 * kill the process we attached to
397 kill(crash_pid, SIGCONT);
406 static const gchar *get_compiled_in_features(void)
408 return g_strdup_printf("%s",
442 *\brief library version
444 static const gchar *get_lib_version(void)
446 #if defined(__UCLIBC__)
447 return g_strdup_printf("uClibc %i.%i.%i", __UCLIBC_MAJOR__, __UCLIBC_MINOR__, __UCLIBC_SUBLEVEL__);
448 #elif defined(__GNU_LIBRARY__)
449 return g_strdup_printf("GNU libc %s", gnu_get_libc_version());
451 return g_strdup(_("Unknown"));
458 *\brief operating system
460 static const gchar *get_operating_system(void)
462 #if HAVE_SYS_UTSNAME_H
463 struct utsname utsbuf;
465 return g_strdup_printf("%s %s (%s)",
470 return g_strdup(_("Unknown"));
478 *\brief see if the crash dialog is allowed (because some
479 * developers may prefer to run claws-mail under gdb...)
481 static gboolean is_crash_dialog_allowed(void)
483 return !getenv("CLAWS_NO_CRASH");
487 *\brief this handler will probably evolve into
490 static void crash_handler(int sig)
493 static volatile unsigned long crashed_ = 0;
496 * let's hope argv0 aren't trashed.
497 * both are defined in main.c.
503 * besides guarding entrancy it's probably also better
504 * to mask off signals
506 if (crashed_) return;
516 * gnome ungrabs focus, and flushes gdk. mmmh, good idea.
518 gdk_pointer_ungrab(GDK_CURRENT_TIME);
519 gdk_keyboard_ungrab(GDK_CURRENT_TIME);
522 if (0 == (pid = fork())) {
527 * probably also some other parameters (like GTK+ ones).
528 * also we pass the full startup dir and the real command
529 * line typed in (argv0)
534 sprintf(buf, "%d,%d,%s", getppid(), sig, argv0);
538 chdir(claws_get_startup_dir());
543 waitpid(pid, NULL, 0);
544 crash_cleanup_exit();
552 *\brief put all the things here we can do before
553 * letting the program die
555 static void crash_cleanup_exit(void)
557 const char *filename = claws_get_socket_name();
558 claws_unlink(filename);