3402edbdd507437d730b99d9c02474877b411b6f
[claws.git] / src / send_message.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2005 Hiroyuki Yamamoto
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 #include <sys/wait.h>
36
37 #include "send_message.h"
38 #include "session.h"
39 #include "ssl.h"
40 #include "smtp.h"
41 #include "prefs_common.h"
42 #include "prefs_account.h"
43 #include "procheader.h"
44 #include "account.h"
45 #include "progressdialog.h"
46 #include "statusbar.h"
47 #include "inputdialog.h"
48 #include "alertpanel.h"
49 #include "manage_window.h"
50 #include "socket.h"
51 #include "utils.h"
52 #include "gtkutils.h"
53 #include "inc.h"
54 #include "log.h"
55
56 typedef struct _SendProgressDialog      SendProgressDialog;
57
58 struct _SendProgressDialog
59 {
60         ProgressDialog *dialog;
61         Session *session;
62         gboolean cancelled;
63 };
64
65 static gint send_recv_message           (Session                *session,
66                                          const gchar            *msg,
67                                          gpointer                data);
68 static gint send_send_data_progressive  (Session                *session,
69                                          guint                   cur_len,
70                                          guint                   total_len,
71                                          gpointer                data);
72 static gint send_send_data_finished     (Session                *session,
73                                          guint                   len,
74                                          gpointer                data);
75
76 static SendProgressDialog *send_progress_dialog_create(void);
77 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
78
79 static void send_cancel_button_cb       (GtkWidget      *widget,
80                                          gpointer        data);
81
82 static void send_put_error              (Session        *session);
83
84
85 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
86 {
87         FILE *fp;
88         gint val;
89
90         g_return_val_if_fail(file != NULL, -1);
91         g_return_val_if_fail(ac_prefs != NULL, -1);
92         g_return_val_if_fail(to_list != NULL, -1);
93
94         if ((fp = g_fopen(file, "rb")) == NULL) {
95                 FILE_OP_ERROR(file, "fopen");
96                 return -1;
97         }
98
99         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
100             (*ac_prefs->mail_command)) {
101                 val = send_message_local(ac_prefs->mail_command, fp);
102                 fclose(fp);
103                 return val;
104         } else {
105                 val = send_message_smtp(ac_prefs, to_list, fp);
106                 
107                 fclose(fp);
108                 return val;
109         }
110 }
111
112 enum
113 {
114         Q_SENDER     = 0,
115         Q_SMTPSERVER = 1,
116         Q_RECIPIENTS = 2,
117         Q_ACCOUNT_ID = 3
118 };
119
120 gint send_message_local(const gchar *command, FILE *fp)
121 {
122         gchar **argv;
123         GPid pid;
124         gint child_stdin;
125         gchar buf[BUFFSIZE];
126         gboolean err = FALSE;
127         gint status;
128
129         g_return_val_if_fail(command != NULL, -1);
130         g_return_val_if_fail(fp != NULL, -1);
131
132         log_message(_("Sending message using command: %s\n"), command);
133
134         argv = strsplit_with_quote(command, " ", 0);
135
136         if (g_spawn_async_with_pipes(NULL, argv, NULL,
137                                      G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL,
138                                      &pid, &child_stdin, NULL, NULL,
139                                      NULL) == FALSE) {
140                 g_snprintf(buf, sizeof(buf),
141                            _("Can't execute command: %s"), command);
142                 log_warning("%s\n", buf);
143                 alertpanel_error("%s", buf);
144                 g_strfreev(argv);
145                 return -1;
146         }
147         g_strfreev(argv);
148
149         while (fgets(buf, sizeof(buf), fp) != NULL) {
150                 strretchomp(buf);
151                 if (buf[0] == '.' && buf[1] == '\0') {
152                         if (fd_write_all(child_stdin, ".", 1) < 0) {
153                                 err = TRUE;
154                                 break;
155                         }
156                 }
157                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
158                     fd_write_all(child_stdin, "\n", 1) < 0) {
159                         err = TRUE;
160                         break;
161                 }
162         }
163
164         fd_close(child_stdin);
165
166         waitpid(pid, &status, 0);
167         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
168                 err = TRUE;
169
170         g_spawn_close_pid(pid);
171
172         if (err) {
173                 g_snprintf(buf, sizeof(buf),
174                            _("Error occurred while executing command: %s"),
175                            command);
176                 log_warning("%s\n", buf);
177                 alertpanel_error("%s", buf);
178                 return -1;
179         }
180
181         return 0;
182 }
183
184 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
185 {
186         Session *session;
187         SMTPSession *smtp_session;
188         gushort port = 0;
189         SendProgressDialog *dialog;
190         gchar buf[BUFFSIZE];
191         gint ret = 0;
192         gboolean was_inited = FALSE;
193
194         g_return_val_if_fail(ac_prefs != NULL, -1);
195         g_return_val_if_fail(ac_prefs->address != NULL, -1);
196         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
197         g_return_val_if_fail(to_list != NULL, -1);
198         g_return_val_if_fail(fp != NULL, -1);
199
200         if (!ac_prefs->session) {
201                 /* we can't reuse a previously initialised session */
202                 session = smtp_session_new();
203                 smtp_session = SMTP_SESSION(session);
204
205                 smtp_session->hostname =
206                         ac_prefs->set_domain ? g_strdup(ac_prefs->domain) : NULL;
207
208                 if (ac_prefs->use_smtp_auth) {
209                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
210                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
211                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
212                                 if (ac_prefs->smtp_passwd)
213                                         smtp_session->pass =
214                                                 g_strdup(ac_prefs->smtp_passwd);
215                                 else if (ac_prefs->tmp_smtp_pass)
216                                         smtp_session->pass =
217                                                 g_strdup(ac_prefs->tmp_smtp_pass);
218                                 else {
219                                         smtp_session->pass =
220                                                 input_dialog_query_password
221                                                         (ac_prefs->smtp_server,
222                                                          smtp_session->user);
223                                         if (!smtp_session->pass)
224                                                 smtp_session->pass = g_strdup("");
225                                         ac_prefs->tmp_smtp_pass =
226                                                 g_strdup(smtp_session->pass);
227                                 }
228                         } else {
229                                 smtp_session->user = g_strdup(ac_prefs->userid);
230                                 if (ac_prefs->passwd)
231                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
232                                 else if (ac_prefs->tmp_pass)
233                                         smtp_session->pass =
234                                                 g_strdup(ac_prefs->tmp_pass);
235                                 else {
236                                         smtp_session->pass =
237                                                 input_dialog_query_password
238                                                         (ac_prefs->smtp_server,
239                                                          smtp_session->user);
240                                         if (!smtp_session->pass)
241                                                 smtp_session->pass = g_strdup("");
242                                         ac_prefs->tmp_pass =
243                                                 g_strdup(smtp_session->pass);
244                                 }
245                         }
246                 } else {
247                         smtp_session->user = NULL;
248                         smtp_session->pass = NULL;
249                 }
250
251         #if USE_OPENSSL
252                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
253                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
254                 session->ssl_type = ac_prefs->ssl_smtp;
255                 if (ac_prefs->ssl_smtp != SSL_NONE)
256                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
257         #else
258                 if (ac_prefs->ssl_smtp != SSL_NONE) {
259                         if (alertpanel_full(_("Insecure connection"),
260                                 _("This connection is configured to be secured "
261                                   "using SSL, but SSL is not available in this "
262                                   "build of Sylpheed-Claws. \n\n"
263                                   "Do you want to continue connecting to this "
264                                   "server? The communication would not be "
265                                   "secure."),
266                                   _("Con_tinue connecting"), 
267                                   GTK_STOCK_CANCEL, NULL,
268                                   FALSE, NULL, ALERT_WARNING,
269                                   G_ALERTALTERNATE) != G_ALERTDEFAULT)
270                                 return -1;
271                 }
272                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
273         #endif
274
275                 dialog = send_progress_dialog_create();
276                 dialog->session = session;
277                 smtp_session->dialog = dialog;
278
279                 progress_dialog_list_set(dialog->dialog, 0, NULL, 
280                                          ac_prefs->smtp_server, 
281                                          _("Connecting"));
282
283                 if (ac_prefs->pop_before_smtp
284                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
285                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
286                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
287                         log_message(buf);
288                         progress_dialog_set_label(dialog->dialog, buf);
289                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
290                         GTK_EVENTS_FLUSH();
291                         inc_pop_before_smtp(ac_prefs);
292                 }
293
294                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
295                            ac_prefs->smtp_server);
296                 progress_dialog_set_label(dialog->dialog, buf);
297                 log_message("%s\n", buf);
298
299                 session_set_recv_message_notify(session, send_recv_message, dialog);
300                 session_set_send_data_progressive_notify
301                         (session, send_send_data_progressive, dialog);
302                 session_set_send_data_notify(session, send_send_data_finished, dialog);
303
304                 ac_prefs->session = SMTP_SESSION(session);
305         } else {
306                 /* everything is ready to start at MAIL FROM:, just
307                  * reinit useful variables. 
308                  */
309                 session = SESSION(ac_prefs->session);
310                 smtp_session = SMTP_SESSION(session);
311                 smtp_session->state = SMTP_HELO;
312                 dialog = (SendProgressDialog *)smtp_session->dialog;
313                 was_inited = TRUE;
314         }
315
316         /* This has to be initialised for every mail sent */
317         smtp_session->from = g_strdup(ac_prefs->address);
318         smtp_session->to_list = to_list;
319         smtp_session->cur_to = to_list;
320         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
321         smtp_session->send_data_len = strlen(smtp_session->send_data);
322
323         /* connect if necessary */
324         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
325                 session_destroy(session);
326                 send_progress_dialog_destroy(dialog);
327                 return -1;
328         }
329
330         debug_print("send_message_smtp(): begin event loop\n");
331
332         if (was_inited) {
333                 /* as the server is quiet, start sending ourselves */
334                 smtp_from(smtp_session);
335         }
336
337         while (session_is_connected(session) && dialog->cancelled == FALSE
338                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
339                 gtk_main_iteration();
340
341         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
342                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
343                         g_free(ac_prefs->tmp_smtp_pass);
344                         ac_prefs->tmp_smtp_pass = NULL;
345                 }
346                 ret = -1;
347         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
348                 log_message("%s\n", _("Mail sent successfully."));
349                 ret = 0;
350         } else if (session->state == SESSION_EOF &&
351                    SMTP_SESSION(session)->state == SMTP_QUIT) {
352                 /* consider EOF right after QUIT successful */
353                 log_warning("%s\n", _("Connection closed by the remote host."));
354                 ret = 0;
355         } else if (session->state == SESSION_ERROR ||
356                    session->state == SESSION_EOF ||
357                    session->state == SESSION_TIMEOUT ||
358                    SMTP_SESSION(session)->state == SMTP_ERROR ||
359                    SMTP_SESSION(session)->error_val != SM_OK)
360                 ret = -1;
361         else if (dialog->cancelled == TRUE)
362                 ret = -1;
363
364         if (ret == -1) {
365                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
366                 send_put_error(session);
367                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
368         }
369
370         /* if we should close the connection, let's do it.
371          * Close it in case of error, too, as it helps reinitializing things
372          * easier.
373          */
374         if (!keep_session || ret != 0) {
375                 if (session_is_connected(session))
376                         smtp_quit(smtp_session);
377                 while (session_is_connected(session) && !dialog->cancelled)
378                         gtk_main_iteration();
379                 session_destroy(session);
380                 ac_prefs->session = NULL;
381                 send_progress_dialog_destroy(dialog);
382         } else {
383                 g_free(smtp_session->from);
384                 g_free(smtp_session->send_data);
385                 g_free(smtp_session->error_msg);
386         }
387
388         statusbar_pop_all();
389         statusbar_verbosity_set(FALSE);
390         return ret;
391 }
392
393 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
394 {
395         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
396 }
397
398 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
399 {
400         gchar buf[BUFFSIZE];
401         SMTPSession *smtp_session = SMTP_SESSION(session);
402         SendProgressDialog *dialog = (SendProgressDialog *)data;
403         gchar *state_str = NULL;
404
405         g_return_val_if_fail(dialog != NULL, -1);
406
407         switch (smtp_session->state) {
408         case SMTP_READY:
409         case SMTP_CONNECTED:
410                 return 0;
411         case SMTP_HELO:
412                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
413                 state_str = _("Authenticating");
414                 statusbar_print_all(_("Sending message..."));
415                 break;
416         case SMTP_EHLO:
417                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
418                 state_str = _("Authenticating");
419                 statusbar_print_all(_("Sending message..."));
420                 break;
421         case SMTP_AUTH:
422                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
423                 state_str = _("Authenticating");
424                 break;
425         case SMTP_FROM:
426                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
427                 state_str = _("Sending");
428                 break;
429         case SMTP_RCPT:
430                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
431                 state_str = _("Sending");
432                 break;
433         case SMTP_DATA:
434         case SMTP_EOM:
435                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
436                 state_str = _("Sending");
437                 break;
438         case SMTP_QUIT:
439                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
440                 state_str = _("Quitting");
441                 break;
442         case SMTP_ERROR:
443                 g_warning("send: error: %s\n", msg);
444                 return 0;
445         default:
446                 return 0;
447         }
448
449         progress_dialog_set_label(dialog->dialog, buf);
450         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
451
452         return 0;
453 }
454
455 static gint send_send_data_progressive(Session *session, guint cur_len,
456                                        guint total_len, gpointer data)
457 {
458         gchar buf[BUFFSIZE];
459         SendProgressDialog *dialog = (SendProgressDialog *)data;
460
461         g_return_val_if_fail(dialog != NULL, -1);
462
463         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
464             SMTP_SESSION(session)->state != SMTP_EOM)
465                 return 0;
466
467         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
468                    cur_len, total_len);
469         progress_dialog_set_label(dialog->dialog, buf);
470         progress_dialog_set_fraction
471                 (dialog->dialog, (gfloat)cur_len / (gfloat)total_len);
472
473         return 0;
474 }
475
476 static gint send_send_data_finished(Session *session, guint len, gpointer data)
477 {
478         SendProgressDialog *dialog = (SendProgressDialog *)data;
479
480         g_return_val_if_fail(dialog != NULL, -1);
481
482         send_send_data_progressive(session, len, len, dialog);
483         return 0;
484 }
485
486 static SendProgressDialog *send_progress_dialog_create(void)
487 {
488         SendProgressDialog *dialog;
489         ProgressDialog *progress;
490
491         dialog = g_new0(SendProgressDialog, 1);
492
493         progress = progress_dialog_create();
494         gtk_window_set_title(GTK_WINDOW(progress->window),
495                              _("Sending message"));
496         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
497                          G_CALLBACK(send_cancel_button_cb), dialog);
498         g_signal_connect(G_OBJECT(progress->window), "delete_event",
499                          G_CALLBACK(gtk_true), NULL);
500         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
501         manage_window_set_transient(GTK_WINDOW(progress->window));
502
503         progress_dialog_get_fraction(progress);
504
505         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
506                 gtk_widget_show_now(progress->window);
507         }
508         
509         dialog->dialog = progress;
510
511         return dialog;
512 }
513
514 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
515 {
516         g_return_if_fail(dialog != NULL);
517         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
518                 progress_dialog_destroy(dialog->dialog);
519         }
520         g_free(dialog);
521 }
522
523 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
524 {
525         SendProgressDialog *dialog = (SendProgressDialog *)data;
526
527         dialog->cancelled = TRUE;
528 }
529
530 static void send_put_error(Session *session)
531 {
532         gchar *msg;
533         gchar *log_msg = NULL;
534         gchar *err_msg = NULL;
535
536         msg = SMTP_SESSION(session)->error_msg;
537
538         switch (SMTP_SESSION(session)->error_val) {
539         case SM_ERROR:
540         case SM_UNRECOVERABLE:
541                 log_msg = _("Error occurred while sending the message.");
542                 if (msg)
543                         err_msg = g_strdup_printf
544                                 (_("Error occurred while sending the message:\n%s"),
545                                  msg);
546                 else
547                         err_msg = g_strdup(log_msg);
548                 break;
549         case SM_AUTHFAIL:
550                 log_msg = _("Authentication failed.");
551                 if (msg)
552                         err_msg = g_strdup_printf
553                                 (_("Authentication failed:\n%s"), msg);
554                 else
555                         err_msg = g_strdup(log_msg);
556                 break;
557         default:
558                 switch (session->state) {
559                 case SESSION_ERROR:
560                         log_msg =
561                                 _("Error occurred while sending the message.");
562                         err_msg = g_strdup(log_msg);
563                         break;
564                 case SESSION_EOF:
565                         log_msg = _("Connection closed by the remote host.");
566                         err_msg = g_strdup(log_msg);
567                         break;
568                 case SESSION_TIMEOUT:
569                         log_msg = _("Session timed out.");
570                         err_msg = g_strdup(log_msg);
571                         break;
572                 default:
573                         break;
574                 }
575                 break;
576         }
577
578         if (log_msg)
579                 log_warning("%s\n", log_msg);
580         if (err_msg) {
581                 alertpanel_error_log("%s", err_msg);
582                 g_free(err_msg);
583         }
584 }
585