2006-06-02 [colin] 2.2.0cvs74
[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                                   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                 dialog = send_progress_dialog_create();
296                 dialog->session = session;
297                 smtp_session->dialog = dialog;
298
299                 progress_dialog_list_set(dialog->dialog, 0, NULL, 
300                                          ac_prefs->smtp_server, 
301                                          _("Connecting"));
302
303                 if (ac_prefs->pop_before_smtp
304                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
305                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
306                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
307                         log_message(buf);
308                         progress_dialog_set_label(dialog->dialog, buf);
309                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
310                         GTK_EVENTS_FLUSH();
311                         inc_pop_before_smtp(ac_prefs);
312                 }
313
314                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
315                            ac_prefs->smtp_server);
316                 progress_dialog_set_label(dialog->dialog, buf);
317                 log_message("%s\n", buf);
318
319                 session_set_recv_message_notify(session, send_recv_message, dialog);
320                 session_set_send_data_progressive_notify
321                         (session, send_send_data_progressive, dialog);
322                 session_set_send_data_notify(session, send_send_data_finished, dialog);
323
324         } else {
325                 /* everything is ready to start at MAIL FROM:, just
326                  * reinit useful variables. 
327                  */
328                 session = SESSION(ac_prefs->session);
329                 ac_prefs->session = NULL;
330                 smtp_session = SMTP_SESSION(session);
331                 smtp_session->state = SMTP_HELO;
332                 dialog = (SendProgressDialog *)smtp_session->dialog;
333                 was_inited = TRUE;
334         }
335
336         /* This has to be initialised for every mail sent */
337         smtp_session->from = g_strdup(ac_prefs->address);
338         smtp_session->to_list = to_list;
339         smtp_session->cur_to = to_list;
340         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
341         smtp_session->send_data_len = strlen(smtp_session->send_data);
342
343         session_set_timeout(session,
344                             prefs_common.io_timeout_secs * 1000);
345         /* connect if necessary */
346         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
347                 session_destroy(session);
348                 send_progress_dialog_destroy(dialog);
349                 ac_prefs->session = NULL;
350                 return -1;
351         }
352
353         debug_print("send_message_smtp(): begin event loop\n");
354
355         if (was_inited) {
356                 /* as the server is quiet, start sending ourselves */
357                 smtp_from(smtp_session);
358         }
359
360         while (session_is_connected(session) && dialog->cancelled == FALSE
361                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
362                 gtk_main_iteration();
363
364         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
365                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
366                         g_free(ac_prefs->tmp_smtp_pass);
367                         ac_prefs->tmp_smtp_pass = NULL;
368                 } else if (ac_prefs->tmp_pass) {
369                         g_free(ac_prefs->tmp_pass);
370                         ac_prefs->tmp_pass = NULL;
371                 }
372                 ret = -1;
373         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
374                 log_message("%s\n", _("Mail sent successfully."));
375                 ret = 0;
376         } else if (session->state == SESSION_EOF &&
377                    SMTP_SESSION(session)->state == SMTP_QUIT) {
378                 /* consider EOF right after QUIT successful */
379                 log_warning("%s\n", _("Connection closed by the remote host."));
380                 ret = 0;
381         } else if (session->state == SESSION_ERROR ||
382                    session->state == SESSION_EOF ||
383                    session->state == SESSION_TIMEOUT ||
384                    SMTP_SESSION(session)->state == SMTP_ERROR ||
385                    SMTP_SESSION(session)->error_val != SM_OK)
386                 ret = -1;
387         else if (dialog->cancelled == TRUE)
388                 ret = -1;
389
390         if (ret == -1) {
391                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
392                 send_put_error(session);
393                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
394         }
395
396         /* if we should close the connection, let's do it.
397          * Close it in case of error, too, as it helps reinitializing things
398          * easier.
399          */
400         if (!keep_session || ret != 0) {
401                 if (session_is_connected(session))
402                         smtp_quit(smtp_session);
403                 while (session_is_connected(session) && !dialog->cancelled)
404                         gtk_main_iteration();
405                 session_destroy(session);
406                 ac_prefs->session = NULL;
407                 send_progress_dialog_destroy(dialog);
408         } else {
409                 g_free(smtp_session->from);
410                 g_free(smtp_session->send_data);
411                 g_free(smtp_session->error_msg);
412         }
413         if (keep_session && ret == 0 && ac_prefs->session == NULL)
414                 ac_prefs->session = SMTP_SESSION(session);
415
416
417         statusbar_pop_all();
418         statusbar_verbosity_set(FALSE);
419         return ret;
420 }
421
422 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
423 {
424         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
425 }
426
427 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
428 {
429         gchar buf[BUFFSIZE];
430         SMTPSession *smtp_session = SMTP_SESSION(session);
431         SendProgressDialog *dialog = (SendProgressDialog *)data;
432         gchar *state_str = NULL;
433
434         g_return_val_if_fail(dialog != NULL, -1);
435
436         switch (smtp_session->state) {
437         case SMTP_READY:
438         case SMTP_CONNECTED:
439                 return 0;
440         case SMTP_HELO:
441                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
442                 state_str = _("Authenticating");
443                 statusbar_print_all(_("Sending message..."));
444                 break;
445         case SMTP_EHLO:
446                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
447                 state_str = _("Authenticating");
448                 statusbar_print_all(_("Sending message..."));
449                 break;
450         case SMTP_AUTH:
451                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
452                 state_str = _("Authenticating");
453                 break;
454         case SMTP_FROM:
455                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
456                 state_str = _("Sending");
457                 break;
458         case SMTP_RCPT:
459                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
460                 state_str = _("Sending");
461                 break;
462         case SMTP_DATA:
463         case SMTP_EOM:
464                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
465                 state_str = _("Sending");
466                 break;
467         case SMTP_QUIT:
468                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
469                 state_str = _("Quitting");
470                 break;
471         case SMTP_ERROR:
472                 g_warning("send: error: %s\n", msg);
473                 return 0;
474         default:
475                 return 0;
476         }
477
478         progress_dialog_set_label(dialog->dialog, buf);
479         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
480
481         return 0;
482 }
483
484 static gint send_send_data_progressive(Session *session, guint cur_len,
485                                        guint total_len, gpointer data)
486 {
487         gchar buf[BUFFSIZE];
488         SendProgressDialog *dialog = (SendProgressDialog *)data;
489
490         g_return_val_if_fail(dialog != NULL, -1);
491
492         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
493             SMTP_SESSION(session)->state != SMTP_EOM)
494                 return 0;
495
496         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
497                    cur_len, total_len);
498         progress_dialog_set_label(dialog->dialog, buf);
499         progress_dialog_set_fraction
500                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
501
502         return 0;
503 }
504
505 static gint send_send_data_finished(Session *session, guint len, gpointer data)
506 {
507         SendProgressDialog *dialog = (SendProgressDialog *)data;
508
509         g_return_val_if_fail(dialog != NULL, -1);
510
511         send_send_data_progressive(session, len, len, dialog);
512         return 0;
513 }
514
515 static SendProgressDialog *send_progress_dialog_create(void)
516 {
517         SendProgressDialog *dialog;
518         ProgressDialog *progress;
519
520         dialog = g_new0(SendProgressDialog, 1);
521
522         progress = progress_dialog_create();
523         gtk_window_set_title(GTK_WINDOW(progress->window),
524                              _("Sending message"));
525         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
526                          G_CALLBACK(send_cancel_button_cb), dialog);
527         g_signal_connect(G_OBJECT(progress->window), "delete_event",
528                          G_CALLBACK(gtk_true), NULL);
529         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
530         manage_window_set_transient(GTK_WINDOW(progress->window));
531
532         progress_dialog_get_fraction(progress);
533
534         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
535                 gtk_widget_show_now(progress->window);
536         }
537         
538         dialog->dialog = progress;
539
540         return dialog;
541 }
542
543 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
544 {
545         g_return_if_fail(dialog != NULL);
546         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
547                 progress_dialog_destroy(dialog->dialog);
548         }
549         g_free(dialog);
550 }
551
552 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
553 {
554         SendProgressDialog *dialog = (SendProgressDialog *)data;
555
556         dialog->cancelled = TRUE;
557 }
558
559 static void send_put_error(Session *session)
560 {
561         gchar *msg;
562         gchar *log_msg = NULL;
563         gchar *err_msg = NULL;
564
565         msg = SMTP_SESSION(session)->error_msg;
566
567         switch (SMTP_SESSION(session)->error_val) {
568         case SM_ERROR:
569         case SM_UNRECOVERABLE:
570                 log_msg = _("Error occurred while sending the message.");
571                 if (msg)
572                         err_msg = g_strdup_printf
573                                 (_("Error occurred while sending the message:\n%s"),
574                                  msg);
575                 else
576                         err_msg = g_strdup(log_msg);
577                 break;
578         case SM_AUTHFAIL:
579                 log_msg = _("Authentication failed.");
580                 if (msg)
581                         err_msg = g_strdup_printf
582                                 (_("Authentication failed:\n%s"), msg);
583                 else
584                         err_msg = g_strdup(log_msg);
585                 break;
586         default:
587                 switch (session->state) {
588                 case SESSION_ERROR:
589                         log_msg =
590                                 _("Error occurred while sending the message.");
591                         err_msg = g_strdup(log_msg);
592                         break;
593                 case SESSION_EOF:
594                         log_msg = _("Connection closed by the remote host.");
595                         err_msg = g_strdup(log_msg);
596                         break;
597                 case SESSION_TIMEOUT:
598                         log_msg = _("Session timed out.");
599                         err_msg = g_strdup(log_msg);
600                         break;
601                 default:
602                         break;
603                 }
604                 break;
605         }
606
607         if (log_msg)
608                 log_warning("%s\n", log_msg);
609         if (err_msg) {
610                 alertpanel_error_log("%s", err_msg);
611                 g_free(err_msg);
612         }
613 }
614