d19a241ef66f8e2499ab05ade63a75f74e84bbf0
[claws.git] / src / send.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gtk/gtkmain.h>
28 #include <gtk/gtksignal.h>
29 #include <gtk/gtkwindow.h>
30 #include <gtk/gtkclist.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include <sys/time.h>
34 #include <signal.h>
35 #include <unistd.h>
36
37 #include "intl.h"
38 #include "send.h"
39 #include "socket.h"
40 #include "ssl.h"
41 #include "smtp.h"
42 #include "prefs_common.h"
43 #include "prefs_account.h"
44 #include "account.h"
45 #include "compose.h"
46 #include "progressdialog.h"
47 #include "inputdialog.h"
48 #include "manage_window.h"
49 #include "procmsg.h"
50 #include "procheader.h"
51 #include "utils.h"
52 #include "gtkutils.h"
53
54 typedef struct _SendProgressDialog      SendProgressDialog;
55
56 struct _SendProgressDialog
57 {
58         ProgressDialog *dialog;
59         GList *queue_list;
60         gboolean cancelled;
61 };
62
63
64 static gint send_message_data   (SendProgressDialog *dialog, SockInfo *sock,
65                                  FILE *fp, gint size);
66
67 static SendProgressDialog *send_progress_dialog_create(void);
68 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
69 static void send_cancel(GtkWidget *widget, gpointer data);
70
71
72 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
73 {
74         FILE *fp;
75         gint val;
76
77         g_return_val_if_fail(file != NULL, -1);
78         g_return_val_if_fail(ac_prefs != NULL, -1);
79         g_return_val_if_fail(to_list != NULL, -1);
80
81         if ((fp = fopen(file, "rb")) == NULL) {
82                 FILE_OP_ERROR(file, "fopen");
83                 return -1;
84         }
85
86         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
87             (*ac_prefs->mail_command)) {
88                 val = send_message_local(ac_prefs->mail_command, fp);
89                 fclose(fp);
90                 return val;
91         }
92         else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
93                 val = send_message_local(prefs_common.extsend_cmd, fp);
94                 fclose(fp);
95                 return val;
96         }
97         else {
98                 val = send_message_smtp(ac_prefs, to_list, fp);
99                 
100                 fclose(fp);
101                 return val;
102         }
103 }
104
105 enum
106 {
107         Q_SENDER     = 0,
108         Q_SMTPSERVER = 1,
109         Q_RECIPIENTS = 2,
110         Q_ACCOUNT_ID = 3
111 };
112
113 #if 0
114 gint send_message_queue(const gchar *file)
115 {
116         static HeaderEntry qentry[] = {{"S:",   NULL, FALSE},
117                                        {"SSV:", NULL, FALSE},
118                                        {"R:",   NULL, FALSE},
119                                        {"AID:", NULL, FALSE},
120                                        {NULL,   NULL, FALSE}};
121         FILE *fp;
122         gint val;
123         gchar *from = NULL;
124         gchar *server = NULL;
125         GSList *to_list = NULL;
126         gchar buf[BUFFSIZE];
127         gint hnum;
128         PrefsAccount *ac = NULL;
129
130         g_return_val_if_fail(file != NULL, -1);
131
132         if ((fp = fopen(file, "rb")) == NULL) {
133                 FILE_OP_ERROR(file, "fopen");
134                 return -1;
135         }
136
137         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
138                != -1) {
139                 gchar *p = buf + strlen(qentry[hnum].name);
140
141                 switch (hnum) {
142                 case Q_SENDER:
143                         if (!from) from = g_strdup(p);
144                         break;
145                 case Q_SMTPSERVER:
146                         if (!server) server = g_strdup(p);
147                         break;
148                 case Q_RECIPIENTS:
149                         to_list = address_list_append(to_list, p);
150                         break;
151                 case Q_ACCOUNT_ID:
152                         ac = account_find_from_id(atoi(p));
153                         break;
154                 default:
155                         break;
156                 }
157         }
158
159         if (!to_list || !from) {
160                 g_warning(_("Queued message header is broken.\n"));
161                 val = -1;
162         } else if (ac && ac->use_mail_command && ac->mail_command &&
163                    (*ac->mail_command)) {
164                 val = send_message_local(ac->mail_command, fp);
165         } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
166                 val = send_message_local(prefs_common.extsend_cmd, fp);
167         } else {
168                 if (!ac) {
169                         ac = account_find_from_smtp_server(from, server);
170                         if (!ac) {
171                                 g_warning(_("Account not found. "
172                                             "Using current account...\n"));
173                                 ac = cur_account;
174                         }
175                 }
176
177                 if (ac)
178                         val = send_message_smtp(ac, to_list, fp);
179                 else {
180                         PrefsAccount tmp_ac;
181
182                         g_warning(_("Account not found.\n"));
183
184                         memset(&tmp_ac, 0, sizeof(PrefsAccount));
185                         tmp_ac.address = from;
186                         tmp_ac.smtp_server = server;
187                         tmp_ac.smtpport = SMTP_PORT;
188                         val = send_message_smtp(&tmp_ac, to_list, fp);
189                 }
190         }
191
192         slist_free_strings(to_list);
193         g_slist_free(to_list);
194         g_free(from);
195         g_free(server);
196         fclose(fp);
197
198         return val;
199 }
200 #endif
201
202 gint send_message_local(const gchar *command, FILE *fp)
203 {
204         FILE *pipefp;
205         gchar buf[BUFFSIZE];
206         int r;
207         sigset_t osig, mask;
208
209         g_return_val_if_fail(command != NULL, -1);
210         g_return_val_if_fail(fp != NULL, -1);
211
212         pipefp = popen(command, "w");
213         if (!pipefp) {
214                 g_warning(_("Can't execute external command: %s\n"), command);
215                 return -1;
216         }
217
218         while (fgets(buf, sizeof(buf), fp) != NULL) {
219                 strretchomp(buf);
220                 /* escape when a dot appears on the top */
221                 if (buf[0] == '.')
222                         fputc('.', pipefp);
223                 fputs(buf, pipefp);
224                 fputc('\n', pipefp);
225         }
226
227         /* we need to block SIGCHLD, otherwise pspell's handler will wait()
228          * the pipecommand away and pclose will return -1 because of its
229          * failed wait4().
230          */
231         sigemptyset(&mask);
232         sigaddset(&mask, SIGCHLD);
233         sigprocmask(SIG_BLOCK, &mask, &osig);
234         
235         r = pclose(pipefp);
236
237         sigprocmask(SIG_SETMASK, &osig, NULL);
238         if (r != 0) {
239                 g_warning(_("external command `%s' failed with code `%i'\n"), command, r);
240                 return -1;
241         }
242
243         return 0;
244 }
245
246 #define EXIT_IF_CANCELLED() \
247 { \
248         if (dialog->cancelled) { \
249                 if (session) \
250                         session_destroy(session); \
251                 send_progress_dialog_destroy(dialog); \
252                 return -1; \
253         } \
254 }
255
256 #define SEND_EXIT_IF_ERROR(f, s) \
257 { \
258         EXIT_IF_CANCELLED(); \
259         if (!(f)) { \
260                 log_warning("Error occurred while %s\n", s); \
261                 if (session) \
262                         session_destroy(session); \
263                 send_progress_dialog_destroy(dialog); \
264                 return -1; \
265         } \
266 }
267
268 #define SEND_EXIT_IF_NOTOK(f, s) \
269 { \
270         gint ok; \
271  \
272         EXIT_IF_CANCELLED(); \
273         if ((ok = (f)) != SM_OK) { \
274                 log_warning("Error occurred while %s\n", s); \
275                 if (ok == SM_AUTHFAIL) { \
276                         log_warning(_("SMTP AUTH failed\n")); \
277                         if (ac_prefs->tmp_pass) { \
278                                 g_free(ac_prefs->tmp_pass); \
279                                 ac_prefs->tmp_pass = NULL; \
280                         } \
281                         if (ac_prefs->tmp_smtp_pass) { \
282                                 g_free(ac_prefs->tmp_smtp_pass); \
283                                 ac_prefs->tmp_smtp_pass = NULL; \
284                         } \
285                 } \
286                 if (smtp_quit(session->sock) != SM_OK) \
287                         log_warning(_("Error occurred while sending QUIT\n")); \
288                 session_destroy(session); \
289                 send_progress_dialog_destroy(dialog); \
290                 return -1; \
291         } \
292 }
293
294 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list,
295                               FILE *fp)
296 {
297         SendProgressDialog *dialog;
298         Session *session = NULL;
299         GtkCList *clist;
300         const gchar *text[3];
301         gchar buf[BUFFSIZE];
302         gushort port;
303         gchar *domain;
304         gchar *user = NULL;
305         gchar *pass = NULL;
306         GSList *cur;
307         gint size;
308
309         g_return_val_if_fail(ac_prefs != NULL, -1);
310         g_return_val_if_fail(ac_prefs->address != NULL, -1);
311         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
312         g_return_val_if_fail(to_list != NULL, -1);
313         g_return_val_if_fail(fp != NULL, -1);
314
315         size = get_left_file_size(fp);
316         if (size < 0) return -1;
317
318 #if USE_SSL
319         port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
320                 ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
321 #else
322         port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
323 #endif
324         domain = ac_prefs->set_domain ? ac_prefs->domain : NULL;
325
326         if (ac_prefs->use_smtp_auth) {
327                 if (ac_prefs->smtp_userid) {
328                         user = ac_prefs->smtp_userid;
329                         if (ac_prefs->smtp_passwd)
330                                 pass = ac_prefs->smtp_passwd;
331                         else if (ac_prefs->tmp_smtp_pass)
332                                 pass = ac_prefs->tmp_smtp_pass;
333                         else {
334                                 pass = input_dialog_query_password
335                                         (ac_prefs->smtp_server, user);
336                                 if (!pass) pass = g_strdup("");
337                                 ac_prefs->tmp_smtp_pass = pass;
338                         }
339                 } else {
340                         user = ac_prefs->userid;
341                         if (ac_prefs->passwd)
342                                 pass = ac_prefs->passwd;
343                         else if (ac_prefs->tmp_pass)
344                                 pass = ac_prefs->tmp_pass;
345                         else {
346                                 pass = input_dialog_query_password
347                                         (ac_prefs->smtp_server, user);
348                                 if (!pass) pass = g_strdup("");
349                                 ac_prefs->tmp_pass = pass;
350                         }
351                 }
352         }
353
354         dialog = send_progress_dialog_create();
355
356         text[0] = NULL;
357         text[1] = ac_prefs->smtp_server;
358         text[2] = _("Standby");
359         clist = GTK_CLIST(dialog->dialog->clist);
360         gtk_clist_append(clist, (gchar **)text);
361
362         g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
363                    ac_prefs->smtp_server);
364         log_message("%s\n", buf);
365         progress_dialog_set_label(dialog->dialog, buf);
366         gtk_clist_set_text(clist, 0, 2, _("Connecting"));
367         GTK_EVENTS_FLUSH();
368
369 #if USE_SSL
370         SEND_EXIT_IF_ERROR((session = smtp_session_new
371                                 (ac_prefs->smtp_server, port, domain,
372                                  user, pass, ac_prefs->ssl_smtp)),
373                            "connecting to server");
374 #else
375         SEND_EXIT_IF_ERROR((session = smtp_session_new
376                                 (ac_prefs->smtp_server, port, domain,
377                                  user, pass)),
378                            "connecting to server");
379 #endif
380
381         progress_dialog_set_label(dialog->dialog, _("Sending MAIL FROM..."));
382         gtk_clist_set_text(clist, 0, 2, _("Sending"));
383         GTK_EVENTS_FLUSH();
384
385         SEND_EXIT_IF_NOTOK
386                 (smtp_from(SMTP_SESSION(session), ac_prefs->address,
387                            ac_prefs->smtp_auth_type),
388                  "sending MAIL FROM");
389
390         progress_dialog_set_label(dialog->dialog, _("Sending RCPT TO..."));
391         GTK_EVENTS_FLUSH();
392
393         for (cur = to_list; cur != NULL; cur = cur->next)
394                 SEND_EXIT_IF_NOTOK(smtp_rcpt(session->sock, (gchar *)cur->data),
395                                    "sending RCPT TO");
396
397         progress_dialog_set_label(dialog->dialog, _("Sending DATA..."));
398         GTK_EVENTS_FLUSH();
399
400         SEND_EXIT_IF_NOTOK(smtp_data(session->sock), "sending DATA");
401
402         /* send main part */
403         SEND_EXIT_IF_ERROR
404                 (send_message_data(dialog, session->sock, fp, size) == 0,
405                  "sending data");
406
407         progress_dialog_set_label(dialog->dialog, _("Quitting..."));
408         GTK_EVENTS_FLUSH();
409
410         SEND_EXIT_IF_NOTOK(smtp_eom(session->sock), "terminating data");
411         SEND_EXIT_IF_NOTOK(smtp_quit(session->sock), "sending QUIT");
412
413         session_destroy(session);
414         send_progress_dialog_destroy(dialog);
415
416         return 0;
417 }
418
419 #undef EXIT_IF_CANCELLED
420 #undef SEND_EXIT_IF_ERROR
421 #undef SEND_EXIT_IF_NOTOK
422
423 #define EXIT_IF_CANCELLED() \
424 { \
425         if (dialog->cancelled) return -1; \
426 }
427
428 #define SEND_EXIT_IF_ERROR(f) \
429 { \
430         EXIT_IF_CANCELLED(); \
431         if ((f) <= 0) return -1; \
432 }
433
434 #define SEND_DIALOG_UPDATE() \
435 { \
436         gettimeofday(&tv_cur, NULL); \
437         if (tv_cur.tv_sec - tv_prev.tv_sec > 0 || \
438             tv_cur.tv_usec - tv_prev.tv_usec > UI_REFRESH_INTERVAL) { \
439                 g_snprintf(str, sizeof(str), \
440                            _("Sending message (%d / %d bytes)"), \
441                            bytes, size); \
442                 progress_dialog_set_label(dialog->dialog, str); \
443                 progress_dialog_set_percentage \
444                         (dialog->dialog, (gfloat)bytes / (gfloat)size); \
445                 GTK_EVENTS_FLUSH(); \
446                 gettimeofday(&tv_prev, NULL); \
447         } \
448 }
449
450 static gint send_message_data(SendProgressDialog *dialog, SockInfo *sock,
451                               FILE *fp, gint size)
452 {
453         gchar buf[BUFFSIZE];
454         gchar str[BUFFSIZE];
455         gint bytes = 0;
456         struct timeval tv_prev, tv_cur;
457
458         gettimeofday(&tv_prev, NULL);
459
460         /* output header part */
461         while (fgets(buf, sizeof(buf), fp) != NULL) {
462                 bytes += strlen(buf);
463                 strretchomp(buf);
464
465                 SEND_DIALOG_UPDATE();
466
467                 if (!g_strncasecmp(buf, "Bcc:", 4)) {
468                         gint next;
469
470                         for (;;) {
471                                 next = fgetc(fp);
472                                 if (next == EOF)
473                                         break;
474                                 else if (next != ' ' && next != '\t') {
475                                         ungetc(next, fp);
476                                         break;
477                                 }
478                                 if (fgets(buf, sizeof(buf), fp) == NULL)
479                                         break;
480                                 else
481                                         bytes += strlen(buf);
482                         }
483                 } else {
484                         SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
485                         if (buf[0] == '\0')
486                                 break;
487                 }
488         }
489
490         /* output body part */
491         while (fgets(buf, sizeof(buf), fp) != NULL) {
492                 bytes += strlen(buf);
493                 strretchomp(buf);
494
495                 SEND_DIALOG_UPDATE();
496
497                 /* escape when a dot appears on the top */
498                 if (buf[0] == '.')
499                         SEND_EXIT_IF_ERROR(sock_write(sock, ".", 1));
500
501                 SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
502         }
503
504         g_snprintf(str, sizeof(str), _("Sending message (%d / %d bytes)"),
505                    bytes, size);
506         progress_dialog_set_label(dialog->dialog, str);
507         progress_dialog_set_percentage
508                 (dialog->dialog, (gfloat)bytes / (gfloat)size);
509         GTK_EVENTS_FLUSH();
510
511         return 0;
512 }
513
514 #undef EXIT_IF_CANCELLED
515 #undef SEND_EXIT_IF_ERROR
516 #undef SEND_DIALOG_UPDATE
517
518 static SendProgressDialog *send_progress_dialog_create(void)
519 {
520         SendProgressDialog *dialog;
521         ProgressDialog *progress;
522
523         dialog = g_new0(SendProgressDialog, 1);
524
525         progress = progress_dialog_create();
526         gtk_window_set_title(GTK_WINDOW(progress->window),
527                              _("Sending message"));
528         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
529                            GTK_SIGNAL_FUNC(send_cancel), dialog);
530         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
531                            GTK_SIGNAL_FUNC(gtk_true), NULL);
532         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
533         manage_window_set_transient(GTK_WINDOW(progress->window));
534
535         progress_dialog_set_value(progress, 0.0);
536
537         gtk_widget_show_now(progress->window);
538
539         dialog->dialog = progress;
540         dialog->queue_list = NULL;
541         dialog->cancelled = FALSE;
542
543         return dialog;
544 }
545
546 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
547 {
548         g_return_if_fail(dialog != NULL);
549
550         progress_dialog_destroy(dialog->dialog);
551         g_free(dialog);
552 }
553
554 static void send_cancel(GtkWidget *widget, gpointer data)
555 {
556         SendProgressDialog *dialog = data;
557
558         dialog->cancelled = TRUE;
559 }