2006-05-16 [wwp] 2.2.0cvs19
[claws.git] / src / send_message.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
4  *
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 2 of the License, or
8  * (at your option) any later version.
9  *
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.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <gtk/gtkmain.h>
29 #include <gtk/gtksignal.h>
30 #include <gtk/gtkwindow.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include <signal.h>
34 #include <sys/types.h>
35 #ifndef G_OS_WIN32
36 #include <sys/wait.h>
37 #endif
38
39 #include "send_message.h"
40 #include "session.h"
41 #include "ssl.h"
42 #include "smtp.h"
43 #include "prefs_common.h"
44 #include "prefs_account.h"
45 #include "procheader.h"
46 #include "account.h"
47 #include "progressdialog.h"
48 #include "statusbar.h"
49 #include "inputdialog.h"
50 #include "alertpanel.h"
51 #include "manage_window.h"
52 #include "socket.h"
53 #include "utils.h"
54 #include "gtkutils.h"
55 #include "inc.h"
56 #include "log.h"
57
58 typedef struct _SendProgressDialog      SendProgressDialog;
59
60 struct _SendProgressDialog
61 {
62         ProgressDialog *dialog;
63         Session *session;
64         gboolean cancelled;
65 };
66
67 static gint send_recv_message           (Session                *session,
68                                          const gchar            *msg,
69                                          gpointer                data);
70 static gint send_send_data_progressive  (Session                *session,
71                                          guint                   cur_len,
72                                          guint                   total_len,
73                                          gpointer                data);
74 static gint send_send_data_finished     (Session                *session,
75                                          guint                   len,
76                                          gpointer                data);
77
78 static SendProgressDialog *send_progress_dialog_create(void);
79 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
80
81 static void send_cancel_button_cb       (GtkWidget      *widget,
82                                          gpointer        data);
83
84 static void send_put_error              (Session        *session);
85
86
87 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
88 {
89         FILE *fp;
90         gint val;
91
92         g_return_val_if_fail(file != NULL, -1);
93         g_return_val_if_fail(ac_prefs != NULL, -1);
94         g_return_val_if_fail(to_list != NULL, -1);
95
96         if ((fp = g_fopen(file, "rb")) == NULL) {
97                 FILE_OP_ERROR(file, "fopen");
98                 return -1;
99         }
100
101         inc_lock();
102         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
103             (*ac_prefs->mail_command)) {
104                 val = send_message_local(ac_prefs->mail_command, fp);
105                 fclose(fp);
106                 inc_unlock();
107                 return val;
108         } else {
109                 val = send_message_smtp(ac_prefs, to_list, fp);
110                 
111                 fclose(fp);
112                 inc_unlock();
113                 return val;
114         }
115 }
116
117 enum
118 {
119         Q_SENDER     = 0,
120         Q_SMTPSERVER = 1,
121         Q_RECIPIENTS = 2,
122         Q_ACCOUNT_ID = 3
123 };
124
125 gint send_message_local(const gchar *command, FILE *fp)
126 {
127         gchar **argv;
128         GPid pid;
129         gint child_stdin;
130         gchar buf[BUFFSIZE];
131         gboolean err = FALSE;
132         gint status;
133
134         g_return_val_if_fail(command != NULL, -1);
135         g_return_val_if_fail(fp != NULL, -1);
136
137         log_message(_("Sending message using command: %s\n"), command);
138
139         argv = strsplit_with_quote(command, " ", 0);
140
141         if (g_spawn_async_with_pipes(NULL, argv, NULL,
142 #ifdef G_OS_WIN32
143                                      0,
144 #else
145                                      G_SPAWN_DO_NOT_REAP_CHILD,
146 #endif
147                                      NULL, NULL,
148                                      &pid, &child_stdin, NULL, NULL,
149                                      NULL) == FALSE) {
150                 g_snprintf(buf, sizeof(buf),
151                            _("Can't execute command: %s"), command);
152                 log_warning("%s\n", buf);
153                 alertpanel_error("%s", buf);
154                 g_strfreev(argv);
155                 return -1;
156         }
157         g_strfreev(argv);
158
159         while (fgets(buf, sizeof(buf), fp) != NULL) {
160                 strretchomp(buf);
161                 if (buf[0] == '.' && buf[1] == '\0') {
162                         if (fd_write_all(child_stdin, ".", 1) < 0) {
163                                 err = TRUE;
164                                 break;
165                         }
166                 }
167                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
168                     fd_write_all(child_stdin, "\n", 1) < 0) {
169                         err = TRUE;
170                         break;
171                 }
172         }
173
174         fd_close(child_stdin);
175
176 #ifndef G_OS_WIN32
177         waitpid(pid, &status, 0);
178         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
179                 err = TRUE;
180 #endif
181
182         g_spawn_close_pid(pid);
183
184         if (err) {
185                 g_snprintf(buf, sizeof(buf),
186                            _("Error occurred while executing command: %s"),
187                            command);
188                 log_warning("%s\n", buf);
189                 alertpanel_error("%s", buf);
190                 return -1;
191         }
192
193         return 0;
194 }
195
196 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
197 {
198         Session *session;
199         SMTPSession *smtp_session;
200         gushort port = 0;
201         SendProgressDialog *dialog;
202         gchar buf[BUFFSIZE];
203         gint ret = 0;
204         gboolean was_inited = FALSE;
205
206         g_return_val_if_fail(ac_prefs != NULL, -1);
207         g_return_val_if_fail(ac_prefs->address != NULL, -1);
208         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
209         g_return_val_if_fail(to_list != NULL, -1);
210         g_return_val_if_fail(fp != NULL, -1);
211
212         if (!ac_prefs->session) {
213                 /* we can't reuse a previously initialised session */
214                 session = smtp_session_new();
215                 smtp_session = SMTP_SESSION(session);
216
217                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
218                         smtp_session->hostname = g_strdup(ac_prefs->domain);
219                 } else {
220                         smtp_session->hostname = NULL;
221                 }
222
223                 if (ac_prefs->use_smtp_auth) {
224                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
225                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
226                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
227                                 if (ac_prefs->smtp_passwd)
228                                         smtp_session->pass =
229                                                 g_strdup(ac_prefs->smtp_passwd);
230                                 else if (ac_prefs->tmp_smtp_pass)
231                                         smtp_session->pass =
232                                                 g_strdup(ac_prefs->tmp_smtp_pass);
233                                 else {
234                                         smtp_session->pass =
235                                                 input_dialog_query_password
236                                                         (ac_prefs->smtp_server,
237                                                          smtp_session->user);
238                                         if (!smtp_session->pass) {
239                                                 session_destroy(session);
240                                                 return -1;
241                                         }
242                                         ac_prefs->tmp_smtp_pass =
243                                                 g_strdup(smtp_session->pass);
244                                 }
245                         } else {
246                                 smtp_session->user = g_strdup(ac_prefs->userid);
247                                 if (ac_prefs->passwd)
248                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
249                                 else if (ac_prefs->tmp_pass)
250                                         smtp_session->pass =
251                                                 g_strdup(ac_prefs->tmp_pass);
252                                 else {
253                                         smtp_session->pass =
254                                                 input_dialog_query_password
255                                                         (ac_prefs->smtp_server,
256                                                          smtp_session->user);
257                                         if (!smtp_session->pass) {
258                                                 session_destroy(session);
259                                                 return -1;
260                                         }
261                                         ac_prefs->tmp_pass =
262                                                 g_strdup(smtp_session->pass);
263                                 }
264                         }
265                 } else {
266                         smtp_session->user = NULL;
267                         smtp_session->pass = NULL;
268                 }
269
270         #if USE_OPENSSL
271                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
272                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
273                 session->ssl_type = ac_prefs->ssl_smtp;
274                 if (ac_prefs->ssl_smtp != SSL_NONE)
275                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
276         #else
277                 if (ac_prefs->ssl_smtp != SSL_NONE) {
278                         if (alertpanel_full(_("Insecure connection"),
279                                 _("This connection is configured to be secured "
280                                   "using SSL, but SSL is not available in this "
281                                   "build of Sylpheed-Claws. \n\n"
282                                   "Do you want to continue connecting to this "
283                                   "server? The communication would not be "
284                                   "secure."),
285                                   _("Con_tinue connecting"), 
286                                   GTK_STOCK_CANCEL, NULL,
287                                   FALSE, NULL, ALERT_WARNING,
288                                   G_ALERTALTERNATE) != G_ALERTDEFAULT) {
289                                 session_destroy(session);
290                                 return -1;
291                         }
292                 }
293                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
294         #endif
295
296                 dialog = send_progress_dialog_create();
297                 dialog->session = session;
298                 smtp_session->dialog = dialog;
299
300                 progress_dialog_list_set(dialog->dialog, 0, NULL, 
301                                          ac_prefs->smtp_server, 
302                                          _("Connecting"));
303
304                 if (ac_prefs->pop_before_smtp
305                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
306                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
307                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
308                         log_message(buf);
309                         progress_dialog_set_label(dialog->dialog, buf);
310                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
311                         GTK_EVENTS_FLUSH();
312                         inc_pop_before_smtp(ac_prefs);
313                 }
314
315                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
316                            ac_prefs->smtp_server);
317                 progress_dialog_set_label(dialog->dialog, buf);
318                 log_message("%s\n", buf);
319
320                 session_set_recv_message_notify(session, send_recv_message, dialog);
321                 session_set_send_data_progressive_notify
322                         (session, send_send_data_progressive, dialog);
323                 session_set_send_data_notify(session, send_send_data_finished, dialog);
324
325                 ac_prefs->session = SMTP_SESSION(session);
326         } else {
327                 /* everything is ready to start at MAIL FROM:, just
328                  * reinit useful variables. 
329                  */
330                 session = SESSION(ac_prefs->session);
331                 smtp_session = SMTP_SESSION(session);
332                 smtp_session->state = SMTP_HELO;
333                 dialog = (SendProgressDialog *)smtp_session->dialog;
334                 was_inited = TRUE;
335         }
336
337         /* This has to be initialised for every mail sent */
338         smtp_session->from = g_strdup(ac_prefs->address);
339         smtp_session->to_list = to_list;
340         smtp_session->cur_to = to_list;
341         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
342         smtp_session->send_data_len = strlen(smtp_session->send_data);
343
344         /* connect if necessary */
345         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
346                 session_destroy(session);
347                 send_progress_dialog_destroy(dialog);
348                 ac_prefs->session = NULL;
349                 return -1;
350         }
351
352         debug_print("send_message_smtp(): begin event loop\n");
353
354         if (was_inited) {
355                 /* as the server is quiet, start sending ourselves */
356                 smtp_from(smtp_session);
357         }
358
359         while (session_is_connected(session) && dialog->cancelled == FALSE
360                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
361                 gtk_main_iteration();
362
363         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
364                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
365                         g_free(ac_prefs->tmp_smtp_pass);
366                         ac_prefs->tmp_smtp_pass = NULL;
367                 } else if (ac_prefs->tmp_pass) {
368                         g_free(ac_prefs->tmp_pass);
369                         ac_prefs->tmp_pass = NULL;
370                 }
371                 ret = -1;
372         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
373                 log_message("%s\n", _("Mail sent successfully."));
374                 ret = 0;
375         } else if (session->state == SESSION_EOF &&
376                    SMTP_SESSION(session)->state == SMTP_QUIT) {
377                 /* consider EOF right after QUIT successful */
378                 log_warning("%s\n", _("Connection closed by the remote host."));
379                 ret = 0;
380         } else if (session->state == SESSION_ERROR ||
381                    session->state == SESSION_EOF ||
382                    session->state == SESSION_TIMEOUT ||
383                    SMTP_SESSION(session)->state == SMTP_ERROR ||
384                    SMTP_SESSION(session)->error_val != SM_OK)
385                 ret = -1;
386         else if (dialog->cancelled == TRUE)
387                 ret = -1;
388
389         if (ret == -1) {
390                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
391                 send_put_error(session);
392                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
393         }
394
395         /* if we should close the connection, let's do it.
396          * Close it in case of error, too, as it helps reinitializing things
397          * easier.
398          */
399         if (!keep_session || ret != 0) {
400                 if (session_is_connected(session))
401                         smtp_quit(smtp_session);
402                 while (session_is_connected(session) && !dialog->cancelled)
403                         gtk_main_iteration();
404                 session_destroy(session);
405                 ac_prefs->session = NULL;
406                 send_progress_dialog_destroy(dialog);
407         } else {
408                 g_free(smtp_session->from);
409                 g_free(smtp_session->send_data);
410                 g_free(smtp_session->error_msg);
411         }
412
413         statusbar_pop_all();
414         statusbar_verbosity_set(FALSE);
415         return ret;
416 }
417
418 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
419 {
420         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
421 }
422
423 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
424 {
425         gchar buf[BUFFSIZE];
426         SMTPSession *smtp_session = SMTP_SESSION(session);
427         SendProgressDialog *dialog = (SendProgressDialog *)data;
428         gchar *state_str = NULL;
429
430         g_return_val_if_fail(dialog != NULL, -1);
431
432         switch (smtp_session->state) {
433         case SMTP_READY:
434         case SMTP_CONNECTED:
435                 return 0;
436         case SMTP_HELO:
437                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
438                 state_str = _("Authenticating");
439                 statusbar_print_all(_("Sending message..."));
440                 break;
441         case SMTP_EHLO:
442                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
443                 state_str = _("Authenticating");
444                 statusbar_print_all(_("Sending message..."));
445                 break;
446         case SMTP_AUTH:
447                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
448                 state_str = _("Authenticating");
449                 break;
450         case SMTP_FROM:
451                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
452                 state_str = _("Sending");
453                 break;
454         case SMTP_RCPT:
455                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
456                 state_str = _("Sending");
457                 break;
458         case SMTP_DATA:
459         case SMTP_EOM:
460                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
461                 state_str = _("Sending");
462                 break;
463         case SMTP_QUIT:
464                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
465                 state_str = _("Quitting");
466                 break;
467         case SMTP_ERROR:
468                 g_warning("send: error: %s\n", msg);
469                 return 0;
470         default:
471                 return 0;
472         }
473
474         progress_dialog_set_label(dialog->dialog, buf);
475         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
476
477         return 0;
478 }
479
480 static gint send_send_data_progressive(Session *session, guint cur_len,
481                                        guint total_len, gpointer data)
482 {
483         gchar buf[BUFFSIZE];
484         SendProgressDialog *dialog = (SendProgressDialog *)data;
485
486         g_return_val_if_fail(dialog != NULL, -1);
487
488         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
489             SMTP_SESSION(session)->state != SMTP_EOM)
490                 return 0;
491
492         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
493                    cur_len, total_len);
494         progress_dialog_set_label(dialog->dialog, buf);
495         progress_dialog_set_fraction
496                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
497
498         return 0;
499 }
500
501 static gint send_send_data_finished(Session *session, guint len, gpointer data)
502 {
503         SendProgressDialog *dialog = (SendProgressDialog *)data;
504
505         g_return_val_if_fail(dialog != NULL, -1);
506
507         send_send_data_progressive(session, len, len, dialog);
508         return 0;
509 }
510
511 static SendProgressDialog *send_progress_dialog_create(void)
512 {
513         SendProgressDialog *dialog;
514         ProgressDialog *progress;
515
516         dialog = g_new0(SendProgressDialog, 1);
517
518         progress = progress_dialog_create();
519         gtk_window_set_title(GTK_WINDOW(progress->window),
520                              _("Sending message"));
521         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
522                          G_CALLBACK(send_cancel_button_cb), dialog);
523         g_signal_connect(G_OBJECT(progress->window), "delete_event",
524                          G_CALLBACK(gtk_true), NULL);
525         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
526         manage_window_set_transient(GTK_WINDOW(progress->window));
527
528         progress_dialog_get_fraction(progress);
529
530         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
531                 gtk_widget_show_now(progress->window);
532         }
533         
534         dialog->dialog = progress;
535
536         return dialog;
537 }
538
539 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
540 {
541         g_return_if_fail(dialog != NULL);
542         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
543                 progress_dialog_destroy(dialog->dialog);
544         }
545         g_free(dialog);
546 }
547
548 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
549 {
550         SendProgressDialog *dialog = (SendProgressDialog *)data;
551
552         dialog->cancelled = TRUE;
553 }
554
555 static void send_put_error(Session *session)
556 {
557         gchar *msg;
558         gchar *log_msg = NULL;
559         gchar *err_msg = NULL;
560
561         msg = SMTP_SESSION(session)->error_msg;
562
563         switch (SMTP_SESSION(session)->error_val) {
564         case SM_ERROR:
565         case SM_UNRECOVERABLE:
566                 log_msg = _("Error occurred while sending the message.");
567                 if (msg)
568                         err_msg = g_strdup_printf
569                                 (_("Error occurred while sending the message:\n%s"),
570                                  msg);
571                 else
572                         err_msg = g_strdup(log_msg);
573                 break;
574         case SM_AUTHFAIL:
575                 log_msg = _("Authentication failed.");
576                 if (msg)
577                         err_msg = g_strdup_printf
578                                 (_("Authentication failed:\n%s"), msg);
579                 else
580                         err_msg = g_strdup(log_msg);
581                 break;
582         default:
583                 switch (session->state) {
584                 case SESSION_ERROR:
585                         log_msg =
586                                 _("Error occurred while sending the message.");
587                         err_msg = g_strdup(log_msg);
588                         break;
589                 case SESSION_EOF:
590                         log_msg = _("Connection closed by the remote host.");
591                         err_msg = g_strdup(log_msg);
592                         break;
593                 case SESSION_TIMEOUT:
594                         log_msg = _("Session timed out.");
595                         err_msg = g_strdup(log_msg);
596                         break;
597                 default:
598                         break;
599                 }
600                 break;
601         }
602
603         if (log_msg)
604                 log_warning("%s\n", log_msg);
605         if (err_msg) {
606                 alertpanel_error_log("%s", err_msg);
607                 g_free(err_msg);
608         }
609 }
610