da79f5a82b7cd9e245abf0cedb6d2eca4516cfcf
[claws.git] / src / send_message.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
17  * 
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <gtk/gtk.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <signal.h>
33 #include <sys/types.h>
34 #ifndef G_OS_WIN32
35 #include <sys/wait.h>
36 #endif
37
38 #include "send_message.h"
39 #include "session.h"
40 #include "ssl.h"
41 #include "smtp.h"
42 #include "prefs_common.h"
43 #include "prefs_account.h"
44 #include "procheader.h"
45 #include "account.h"
46 #include "progressdialog.h"
47 #include "statusbar.h"
48 #include "inputdialog.h"
49 #include "alertpanel.h"
50 #include "manage_window.h"
51 #include "logwindow.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 SendProgressDialog *send_dialog = NULL;
68
69 static gint send_recv_message           (Session                *session,
70                                          const gchar            *msg,
71                                          gpointer                data);
72 static gint send_send_data_progressive  (Session                *session,
73                                          guint                   cur_len,
74                                          guint                   total_len,
75                                          gpointer                data);
76 static gint send_send_data_finished     (Session                *session,
77                                          guint                   len,
78                                          gpointer                data);
79
80 static SendProgressDialog *send_progress_dialog_create(void);
81 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
82
83 static void send_showlog_button_cb      (GtkWidget      *widget,
84                                          gpointer        data);
85 static void send_cancel_button_cb       (GtkWidget      *widget,
86                                          gpointer        data);
87
88 static void send_put_error              (Session        *session);
89
90
91 void send_cancel(void)
92 {
93         if (send_dialog)
94                 send_cancel_button_cb(NULL, send_dialog);
95 }
96
97 gboolean send_is_active(void)
98 {
99         return (send_dialog != NULL);
100 }
101
102 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
103 {
104         FILE *fp;
105         gint val;
106
107         cm_return_val_if_fail(file != NULL, -1);
108         cm_return_val_if_fail(ac_prefs != NULL, -1);
109         cm_return_val_if_fail(to_list != NULL, -1);
110
111         if ((fp = g_fopen(file, "rb")) == NULL) {
112                 FILE_OP_ERROR(file, "fopen");
113                 return -1;
114         }
115
116         inc_lock();
117         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
118             (*ac_prefs->mail_command)) {
119                 val = send_message_local(ac_prefs->mail_command, fp);
120                 fclose(fp);
121                 inc_unlock();
122                 return val;
123         } else {
124                 val = send_message_smtp(ac_prefs, to_list, fp);
125                 
126                 fclose(fp);
127                 inc_unlock();
128                 return val;
129         }
130 }
131
132 enum
133 {
134         Q_SENDER     = 0,
135         Q_SMTPSERVER = 1,
136         Q_RECIPIENTS = 2,
137         Q_ACCOUNT_ID = 3
138 };
139
140 gint send_message_local(const gchar *command, FILE *fp)
141 {
142         gchar **argv;
143         GPid pid;
144         gint child_stdin;
145         gchar buf[BUFFSIZE];
146         gboolean err = FALSE;
147         gint status;
148
149         cm_return_val_if_fail(command != NULL, -1);
150         cm_return_val_if_fail(fp != NULL, -1);
151
152         log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
153
154         argv = strsplit_with_quote(command, " ", 0);
155
156         if (g_spawn_async_with_pipes(NULL, argv, NULL,
157 #ifdef G_OS_WIN32
158                                      0,
159 #else
160                                      G_SPAWN_DO_NOT_REAP_CHILD,
161 #endif
162                                      NULL, NULL,
163                                      &pid, &child_stdin, NULL, NULL,
164                                      NULL) == FALSE) {
165                 g_snprintf(buf, sizeof(buf),
166                            _("Couldn't execute command: %s"), command);
167                 log_warning(LOG_PROTOCOL, "%s\n", buf);
168                 alertpanel_error("%s", buf);
169                 g_strfreev(argv);
170                 return -1;
171         }
172         g_strfreev(argv);
173
174         while (fgets(buf, sizeof(buf), fp) != NULL) {
175                 strretchomp(buf);
176                 if (buf[0] == '.' && buf[1] == '\0') {
177                         if (fd_write_all(child_stdin, ".", 1) < 0) {
178                                 err = TRUE;
179                                 break;
180                         }
181                 }
182                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
183                     fd_write_all(child_stdin, "\n", 1) < 0) {
184                         err = TRUE;
185                         break;
186                 }
187         }
188
189         fd_close(child_stdin);
190
191 #ifndef G_OS_WIN32
192         waitpid(pid, &status, 0);
193         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
194                 err = TRUE;
195 #endif
196
197         g_spawn_close_pid(pid);
198
199         if (err) {
200                 g_snprintf(buf, sizeof(buf),
201                            _("Error occurred while executing command: %s"),
202                            command);
203                 log_warning(LOG_PROTOCOL, "%s\n", buf);
204                 alertpanel_error("%s", buf);
205                 return -1;
206         }
207
208         return 0;
209 }
210
211 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
212 {
213         Session *session;
214         SMTPSession *smtp_session;
215         gushort port = 0;
216         gchar buf[BUFFSIZE];
217         gint ret = 0;
218         gboolean was_inited = FALSE;
219         MsgInfo *tmp_msginfo = NULL;
220         MsgFlags flags = {0, 0};
221         long fp_pos = 0;
222         gchar spec_from[BUFFSIZE];
223
224         cm_return_val_if_fail(ac_prefs != NULL, -1);
225         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
226         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
227         cm_return_val_if_fail(to_list != NULL, -1);
228         cm_return_val_if_fail(fp != NULL, -1);
229
230         /* get the From address used, not necessarily the ac_prefs',
231          * because it's editable. */
232
233         fp_pos = ftell(fp);
234         if (fp_pos < 0) {
235                 perror("ftell");
236                 return -1;
237         }
238         tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
239         fseek(fp, fp_pos, SEEK_SET);
240
241         if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
242                 strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
243                 extract_address(spec_from);
244         } else if (tmp_msginfo && tmp_msginfo->from) {
245                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
246                 extract_address(spec_from);
247         } else {
248                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
249         }
250         if (tmp_msginfo) {
251                 procmsg_msginfo_free(tmp_msginfo);
252         }
253
254         if (!ac_prefs->session) {
255                 /* we can't reuse a previously initialised session */
256                 session = smtp_session_new(ac_prefs);
257                 session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
258
259                 smtp_session = SMTP_SESSION(session);
260
261                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
262                         smtp_session->hostname = g_strdup(ac_prefs->domain);
263                 } else {
264                         smtp_session->hostname = NULL;
265                 }
266
267 #ifdef USE_GNUTLS
268                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
269                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
270                 session->ssl_type = ac_prefs->ssl_smtp;
271                 if (ac_prefs->ssl_smtp != SSL_NONE)
272                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
273                 if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
274                     strlen(ac_prefs->gnutls_priority))
275                         session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
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 Claws Mail. \n\n"
282                                   "Do you want to continue connecting to this "
283                                   "server? The communication would not be "
284                                   "secure."),
285                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
286                                   NULL, FALSE, NULL, ALERT_WARNING,
287                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
288                                 session_destroy(session);
289                                 return -1;
290                         }
291                 }
292                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
293 #endif
294
295                 if (ac_prefs->use_smtp_auth) {
296                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
297                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
298                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
299                                 if (password_get(smtp_session->user,
300                                                         ac_prefs->smtp_server, "smtp", port,
301                                                         &(smtp_session->pass))) {
302                                         /* NOP */;
303                                 } else if (ac_prefs->smtp_passwd)
304                                         smtp_session->pass =
305                                                 g_strdup(ac_prefs->smtp_passwd);
306                                 else {
307                                         smtp_session->pass =
308                                                 input_dialog_query_password_keep
309                                                         (ac_prefs->smtp_server,
310                                                          smtp_session->user,
311                                                          &(ac_prefs->session_smtp_passwd));
312                                         if (!smtp_session->pass) {
313                                                 session_destroy(session);
314                                                 return -1;
315                                         }
316                                 }
317                         } else {
318                                 smtp_session->user = g_strdup(ac_prefs->userid);
319                                 if (password_get(smtp_session->user,
320                                                         ac_prefs->smtp_server, "smtp", port,
321                                                         &(smtp_session->pass))) {
322                                         /* NOP */;
323                                 } else if (ac_prefs->passwd)
324                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
325                                 else {
326                                         smtp_session->pass =
327                                                 input_dialog_query_password_keep
328                                                         (ac_prefs->smtp_server,
329                                                          smtp_session->user,
330                                                          &(ac_prefs->session_smtp_passwd));
331                                         if (!smtp_session->pass) {
332                                                 session_destroy(session);
333                                                 return -1;
334                                         }
335                                 }
336                         }
337                 } else {
338                         smtp_session->user = NULL;
339                         smtp_session->pass = NULL;
340                 }
341
342                 send_dialog = send_progress_dialog_create();
343                 send_dialog->session = session;
344                 smtp_session->dialog = send_dialog;
345
346                 progress_dialog_list_set(send_dialog->dialog, 0, NULL, 
347                                          ac_prefs->smtp_server, 
348                                          _("Connecting"));
349
350                 if (ac_prefs->pop_before_smtp
351                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
352                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
353                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
354                         log_message(LOG_PROTOCOL, "%s\n", buf);
355                         progress_dialog_set_label(send_dialog->dialog, buf);
356                         progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
357                         GTK_EVENTS_FLUSH();
358                         inc_pop_before_smtp(ac_prefs);
359                 }
360
361                 g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
362                                 ac_prefs->account_name, ac_prefs->smtp_server, port);
363                 progress_dialog_set_label(send_dialog->dialog, buf);
364                 log_message(LOG_PROTOCOL, "%s\n", buf);
365
366                 session_set_recv_message_notify(session, send_recv_message, send_dialog);
367                 session_set_send_data_progressive_notify
368                         (session, send_send_data_progressive, send_dialog);
369                 session_set_send_data_notify(session, send_send_data_finished, send_dialog);
370
371         } else {
372                 /* everything is ready to start at MAIL FROM:, just
373                  * reinit useful variables. 
374                  */
375                 session = SESSION(ac_prefs->session);
376                 ac_prefs->session = NULL;
377                 smtp_session = SMTP_SESSION(session);
378                 smtp_session->state = SMTP_HELO;
379                 send_dialog = (SendProgressDialog *)smtp_session->dialog;
380                 was_inited = TRUE;
381         }
382
383         /* This has to be initialised for every mail sent */
384         smtp_session->from = g_strdup(spec_from);
385         smtp_session->to_list = to_list;
386         smtp_session->cur_to = to_list;
387         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
388         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
389
390         session_set_timeout(session,
391                             prefs_common.io_timeout_secs * 1000);
392         /* connect if necessary */
393         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
394                 session_destroy(session);
395                 send_progress_dialog_destroy(send_dialog);
396                 ac_prefs->session = NULL;
397                 return -1;
398         }
399
400         debug_print("send_message_smtp(): begin event loop\n");
401
402         if (was_inited) {
403                 /* as the server is quiet, start sending ourselves */
404                 smtp_from(smtp_session);
405         }
406
407         while (session_is_running(session) && send_dialog->cancelled == FALSE
408                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
409                 gtk_main_iteration();
410
411         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
412                 if (ac_prefs->session_smtp_passwd) {
413                         g_free(ac_prefs->session_smtp_passwd);
414                         ac_prefs->session_smtp_passwd = NULL;
415                 }
416                 ret = -1;
417         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
418                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
419                 ret = 0;
420         } else if (session->state == SESSION_EOF &&
421                    SMTP_SESSION(session)->state == SMTP_QUIT) {
422                 /* consider EOF right after QUIT successful */
423                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
424                 ret = 0;
425         } else if (session->state == SESSION_ERROR ||
426                    session->state == SESSION_EOF ||
427                    session->state == SESSION_TIMEOUT ||
428                    SMTP_SESSION(session)->state == SMTP_ERROR ||
429                    SMTP_SESSION(session)->error_val != SM_OK)
430                 ret = -1;
431         else if (send_dialog->cancelled == TRUE)
432                 ret = -1;
433
434         if (ret == -1) {
435                 manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
436                 send_put_error(session);
437                 manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
438         }
439
440         /* if we should close the connection, let's do it.
441          * Close it in case of error, too, as it helps reinitializing things
442          * easier.
443          */
444         if (!keep_session || ret != 0) {
445                 if (session_is_connected(session))
446                         smtp_quit(smtp_session);
447                 while (session_is_connected(session) && !send_dialog->cancelled)
448                         gtk_main_iteration();
449                 session_destroy(session);
450                 ac_prefs->session = NULL;
451                 send_progress_dialog_destroy(send_dialog);
452         } else {
453                 g_free(smtp_session->from);
454                 g_free(smtp_session->send_data);
455                 g_free(smtp_session->error_msg);
456         }
457         if (keep_session && ret == 0 && ac_prefs->session == NULL)
458                 ac_prefs->session = SMTP_SESSION(session);
459
460
461         statuswindow_pop_all();
462         statusbar_verbosity_set(FALSE);
463         return ret;
464 }
465
466 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
467 {
468         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
469 }
470
471 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
472 {
473         gchar buf[BUFFSIZE];
474         SMTPSession *smtp_session = SMTP_SESSION(session);
475         SendProgressDialog *dialog = (SendProgressDialog *)data;
476         gchar *state_str = NULL;
477
478         cm_return_val_if_fail(dialog != NULL, -1);
479
480         switch (smtp_session->state) {
481         case SMTP_READY:
482                 return 0;
483         case SMTP_HELO:
484                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
485                 state_str = _("Authenticating");
486                 statuswindow_print_all(_("Sending message..."));
487                 break;
488         case SMTP_EHLO:
489                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
490                 state_str = _("Authenticating");
491                 statuswindow_print_all(_("Sending message..."));
492                 break;
493         case SMTP_AUTH:
494                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
495                 state_str = _("Authenticating");
496                 break;
497         case SMTP_FROM:
498                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
499                 state_str = _("Sending");
500                 break;
501         case SMTP_RCPT:
502                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
503                 state_str = _("Sending");
504                 break;
505         case SMTP_DATA:
506         case SMTP_EOM:
507                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
508                 state_str = _("Sending");
509                 break;
510         case SMTP_QUIT:
511                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
512                 state_str = _("Quitting");
513                 break;
514         case SMTP_ERROR:
515                 g_warning("send: error: %s", msg);
516                 return 0;
517         default:
518                 return 0;
519         }
520
521         progress_dialog_set_label(dialog->dialog, buf);
522         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
523
524         return 0;
525 }
526
527 static gint send_send_data_progressive(Session *session, guint cur_len,
528                                        guint total_len, gpointer data)
529 {
530         gchar buf[BUFFSIZE];
531         SendProgressDialog *dialog = (SendProgressDialog *)data;
532         MainWindow *mainwin = mainwindow_get_mainwindow();
533         
534         cm_return_val_if_fail(dialog != NULL, -1);
535
536         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
537             SMTP_SESSION(session)->state != SMTP_EOM)
538                 return 0;
539
540         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
541                    cur_len, total_len);
542         progress_dialog_set_label(dialog->dialog, buf);
543         progress_dialog_set_fraction
544                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
545
546         if (mainwin) {
547                 if (!gtk_widget_get_visible(mainwin->progressbar))      
548                         gtk_widget_show(mainwin->progressbar);
549                 gtk_progress_bar_set_fraction
550                         (GTK_PROGRESS_BAR(mainwin->progressbar),
551                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
552         }
553
554         return 0;
555 }
556
557 static gint send_send_data_finished(Session *session, guint len, gpointer data)
558 {
559         SendProgressDialog *dialog = (SendProgressDialog *)data;
560         MainWindow *mainwin = mainwindow_get_mainwindow();
561
562         cm_return_val_if_fail(dialog != NULL, -1);
563
564         send_send_data_progressive(session, len, len, dialog);
565         if (mainwin) {
566                 gtk_widget_hide(mainwin->progressbar);
567                 gtk_progress_bar_set_fraction
568                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
569         }
570
571         return 0;
572 }
573
574 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
575                                          GtkAllocation *allocation)
576 {
577         cm_return_if_fail(allocation != NULL);
578
579         prefs_common.sendwin_width = allocation->width;
580         prefs_common.sendwin_height = allocation->height;
581 }
582
583 static SendProgressDialog *send_progress_dialog_create(void)
584 {
585         SendProgressDialog *dialog;
586         ProgressDialog *progress;
587         static GdkGeometry geometry;
588
589         dialog = g_new0(SendProgressDialog, 1);
590
591         progress = progress_dialog_create();
592         gtk_window_set_title(GTK_WINDOW(progress->window),
593                              _("Sending message"));
594         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
595                          G_CALLBACK(send_showlog_button_cb), dialog);
596         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
597                          G_CALLBACK(send_cancel_button_cb), dialog);
598         g_signal_connect(G_OBJECT(progress->window), "delete_event",
599                          G_CALLBACK(gtk_true), NULL);
600         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
601         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
602                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
603         manage_window_set_transient(GTK_WINDOW(progress->window));
604
605         progress_dialog_get_fraction(progress);
606
607         if (!geometry.min_height) {
608                 geometry.min_width = 460;
609                 geometry.min_height = 250;
610         }
611
612         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
613                                       GDK_HINT_MIN_SIZE);
614         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
615                                     prefs_common.sendwin_height);
616
617         if (!prefs_common.send_dialog_invisible) {
618                 gtk_widget_show_now(progress->window);
619         }
620         
621         dialog->dialog = progress;
622
623         return dialog;
624 }
625
626 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
627 {
628         cm_return_if_fail(dialog != NULL);
629         if (!prefs_common.send_dialog_invisible) {
630                 progress_dialog_destroy(dialog->dialog);
631         }
632         g_free(dialog);
633         send_dialog = NULL;
634 }
635
636 static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
637 {
638         MainWindow *mainwin = mainwindow_get_mainwindow();
639
640         log_window_show(mainwin->logwin);
641 }
642
643 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
644 {
645         SendProgressDialog *dialog = (SendProgressDialog *)data;
646         statusbar_progress_all(0,0,0);
647
648         dialog->cancelled = TRUE;
649 }
650
651 static void send_put_error(Session *session)
652 {
653         gchar *msg;
654         gchar *log_msg = NULL;
655         gchar *err_msg = NULL;
656
657         msg = SMTP_SESSION(session)->error_msg;
658
659         switch (SMTP_SESSION(session)->error_val) {
660         case SM_ERROR:
661         case SM_UNRECOVERABLE:
662                 log_msg = _("Error occurred while sending the message.");
663                 if (msg)
664                         err_msg = g_strdup_printf
665                                 (_("Error occurred while sending the message:\n%s"),
666                                  msg);
667                 else
668                         err_msg = g_strdup(log_msg);
669                 break;
670         case SM_AUTHFAIL:
671                 log_msg = _("Authentication failed.");
672                 if (msg)
673                         err_msg = g_strdup_printf
674                                 (_("Authentication failed:\n%s"), msg);
675                 else
676                         err_msg = g_strdup(log_msg);
677                 break;
678         default:
679                 switch (session->state) {
680                 case SESSION_ERROR:
681                         log_msg =
682                                 _("Error occurred while sending the message.");
683                         err_msg = g_strdup(log_msg);
684                         break;
685                 case SESSION_EOF:
686                         log_msg = _("Connection closed by the remote host.");
687                         err_msg = g_strdup(log_msg);
688                         break;
689                 case SESSION_TIMEOUT:
690                         log_msg = _("Session timed out. You may be able to "
691                                     "recover by increasing the timeout value in "
692                                     "Preferences/Other/Miscellaneous.");
693                         err_msg = g_strdup(log_msg);
694                         break;
695                 default:
696                         break;
697                 }
698                 break;
699         }
700
701         if (err_msg) {
702                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
703                 g_free(err_msg);
704         } else {
705                 if (log_msg)
706                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
707         }
708 }
709