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 "esmtp.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "account.h"
  46 #include "compose.h"
  47 #include "progressdialog.h"
  48 #include "inputdialog.h"
  49 #include "manage_window.h"
  50 #include "procmsg.h"
  51 #include "procheader.h"
  52 #include "utils.h"
  53 #include "gtkutils.h"
  54
  55 typedef struct _SendProgressDialog      SendProgressDialog;
  56
  57 struct _SendProgressDialog
  58 {
  59         ProgressDialog *dialog;
  60         GList *queue_list;
  61         gboolean cancelled;
  62 };
  63
  64 #if USE_SSL
  65 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  66                                  const gchar *domain, gboolean use_smtp_auth,
  67                                  SSLSMTPType ssl_type);
  68 #else
  69 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  70                                  const gchar *domain, gboolean use_smtp_auth);
  71 #endif
  72
  73 static gint send_message_data   (SendProgressDialog *dialog, SockInfo *sock,
  74                                  FILE *fp, gint size);
  75
  76 static SendProgressDialog *send_progress_dialog_create(void);
  77 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  78 static void send_cancel(GtkWidget *widget, gpointer data);
  79
  80
  81 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  82 {
  83         FILE *fp;
  84         gint val;
  85
  86         g_return_val_if_fail(file != NULL, -1);
  87         g_return_val_if_fail(ac_prefs != NULL, -1);
  88         g_return_val_if_fail(to_list != NULL, -1);
  89
  90         if ((fp = fopen(file, "rb")) == NULL) {
  91                 FILE_OP_ERROR(file, "fopen");
  92                 return -1;
  93         }
  94
  95         printf("account: %p\n", ac_prefs);
  96
  97         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
  98             (*ac_prefs->mail_command)) {
  99                 val = send_message_local(ac_prefs->mail_command, fp);
 100                 fclose(fp);
 101                 return val;
 102         }
 103         else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
 104                 val = send_message_local(prefs_common.extsend_cmd, fp);
 105                 fclose(fp);
 106                 return val;
 107         }
 108         else {
 109                 val = send_message_smtp(ac_prefs, to_list, fp);
 110
 111                 fclose(fp);
 112                 return val;
 113         }
 114 }
 115
 116 enum
 117 {
 118         Q_SENDER     = 0,
 119         Q_SMTPSERVER = 1,
 120         Q_RECIPIENTS = 2,
 121         Q_ACCOUNT_ID = 3
 122 };
 123
 124 #if 0
 125 gint send_message_queue(const gchar *file)
 126 {
 127         static HeaderEntry qentry[] = {{"S:",   NULL, FALSE},
 128                                        {"SSV:", NULL, FALSE},
 129                                        {"R:",   NULL, FALSE},
 130                                        {"AID:", NULL, FALSE},
 131                                        {NULL,   NULL, FALSE}};
 132         FILE *fp;
 133         gint val;
 134         gchar *from = NULL;
 135         gchar *server = NULL;
 136         GSList *to_list = NULL;
 137         gchar buf[BUFFSIZE];
 138         gint hnum;
 139         PrefsAccount *ac = NULL;
 140
 141         g_return_val_if_fail(file != NULL, -1);
 142
 143         if ((fp = fopen(file, "rb")) == NULL) {
 144                 FILE_OP_ERROR(file, "fopen");
 145                 return -1;
 146         }
 147
 148         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
 149                != -1) {
 150                 gchar *p = buf + strlen(qentry[hnum].name);
 151
 152                 switch (hnum) {
 153                 case Q_SENDER:
 154                         if (!from) from = g_strdup(p);
 155                         break;
 156                 case Q_SMTPSERVER:
 157                         if (!server) server = g_strdup(p);
 158                         break;
 159                 case Q_RECIPIENTS:
 160                         to_list = address_list_append(to_list, p);
 161                         break;
 162                 case Q_ACCOUNT_ID:
 163                         ac = account_find_from_id(atoi(p));
 164                         break;
 165                 default:
 166                         break;
 167                 }
 168         }
 169
 170         if (!to_list || !from) {
 171                 g_warning(_("Queued message header is broken.\n"));
 172                 val = -1;
 173         } else if (ac && ac->use_mail_command && ac->mail_command &&
 174                    (*ac->mail_command)) {
 175                 val = send_message_local(ac->mail_command, fp);
 176         } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
 177                 val = send_message_local(prefs_common.extsend_cmd, fp);
 178         } else {
 179                 if (!ac) {
 180                         ac = account_find_from_smtp_server(from, server);
 181                         if (!ac) {
 182                                 g_warning(_("Account not found. "
 183                                             "Using current account...\n"));
 184                                 ac = cur_account;
 185                         }
 186                 }
 187
 188                 if (ac)
 189                         val = send_message_smtp(ac, to_list, fp);
 190                 else {
 191                         PrefsAccount tmp_ac;
 192
 193                         g_warning(_("Account not found.\n"));
 194
 195                         memset(&tmp_ac, 0, sizeof(PrefsAccount));
 196                         tmp_ac.address = from;
 197                         tmp_ac.smtp_server = server;
 198                         tmp_ac.smtpport = SMTP_PORT;
 199                         val = send_message_smtp(&tmp_ac, to_list, fp);
 200                 }
 201         }
 202
 203         slist_free_strings(to_list);
 204         g_slist_free(to_list);
 205         g_free(from);
 206         g_free(server);
 207         fclose(fp);
 208
 209         return val;
 210 }
 211 #endif
 212
 213 gint send_message_local(const gchar *command, FILE *fp)
 214 {
 215         FILE *pipefp;
 216         gchar buf[BUFFSIZE];
 217         int r;
 218         sigset_t osig, mask;
 219
 220         g_return_val_if_fail(command != NULL, -1);
 221         g_return_val_if_fail(fp != NULL, -1);
 222
 223         pipefp = popen(command, "w");
 224         if (!pipefp) {
 225                 g_warning(_("Can't execute external command: %s\n"), command);
 226                 return -1;
 227         }
 228
 229         while (fgets(buf, sizeof(buf), fp) != NULL) {
 230                 strretchomp(buf);
 231                 /* escape when a dot appears on the top */
 232                 if (buf[0] == '.')
 233                         fputc('.', pipefp);
 234                 fputs(buf, pipefp);
 235                 fputc('\n', pipefp);
 236         }
 237
 238         /* we need to block SIGCHLD, otherwise pspell's handler will wait()
 239          * the pipecommand away and pclose will return -1 because of its
 240          * failed wait4().
 241          */
 242         sigemptyset(&mask);
 243         sigaddset(&mask, SIGCHLD);
 244         sigprocmask(SIG_BLOCK, &mask, &osig);
 245
 246         r = pclose(pipefp);
 247
 248         sigprocmask(SIG_SETMASK, &osig, NULL);
 249         if (r != 0) {
 250                 g_warning(_("external command `%s' failed with code `%i'\n"), command, r);
 251                 return -1;
 252         }
 253
 254         return 0;
 255 }
 256
 257 #define EXIT_IF_CANCELLED() \
 258 { \
 259         if (dialog->cancelled) { \
 260                 sock_close(smtp_sock); \
 261                 send_progress_dialog_destroy(dialog); \
 262                 return -1; \
 263         } \
 264 }
 265
 266 #define SEND_EXIT_IF_ERROR(f, s) \
 267 { \
 268         EXIT_IF_CANCELLED(); \
 269         if (!(f)) { \
 270                 log_warning("Error occurred while %s\n", s); \
 271                 sock_close(smtp_sock); \
 272                 send_progress_dialog_destroy(dialog); \
 273                 return -1; \
 274         } \
 275 }
 276
 277 #define SEND_EXIT_IF_NOTOK(f, s) \
 278 { \
 279         gint ok; \
 280  \
 281         EXIT_IF_CANCELLED(); \
 282         if ((ok = (f)) != SM_OK) { \
 283                 log_warning("Error occurred while %s\n", s); \
 284                 if (ok == SM_AUTHFAIL) { \
 285                         log_warning("SMTP AUTH failed\n"); \
 286                         if (ac_prefs->tmp_pass) { \
 287                                 g_free(ac_prefs->tmp_pass); \
 288                                 ac_prefs->tmp_pass = NULL; \
 289                         } \
 290                         if (ac_prefs->tmp_smtp_pass) { \
 291                                 g_free(ac_prefs->tmp_smtp_pass); \
 292                                 ac_prefs->tmp_smtp_pass = NULL; \
 293                         } \
 294                 } \
 295                 if (smtp_quit(smtp_sock) != SM_OK) \
 296                         log_warning("Error occurred while sending QUIT\n"); \
 297                 sock_close(smtp_sock); \
 298                 send_progress_dialog_destroy(dialog); \
 299                 return -1; \
 300         } \
 301 }
 302
 303 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list,
 304                               FILE *fp)
 305 {
 306         SockInfo *smtp_sock = NULL;
 307         SendProgressDialog *dialog;
 308         GtkCList *clist;
 309         const gchar *text[3];
 310         gchar buf[BUFFSIZE];
 311         gushort port;
 312         gchar *domain;
 313         gchar *user = NULL;
 314         gchar *pass = NULL;
 315         GSList *cur;
 316         gint size;
 317
 318         g_return_val_if_fail(ac_prefs != NULL, -1);
 319         g_return_val_if_fail(ac_prefs->address != NULL, -1);
 320         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 321         g_return_val_if_fail(to_list != NULL, -1);
 322         g_return_val_if_fail(fp != NULL, -1);
 323
 324         size = get_left_file_size(fp);
 325         if (size < 0) return -1;
 326
 327 #if USE_SSL
 328         port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 329                 ac_prefs->ssl_smtp == SSL_SMTP_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 330 #else
 331         port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 332 #endif
 333         domain = ac_prefs->set_domain ? ac_prefs->domain : NULL;
 334
 335         if (ac_prefs->use_smtp_auth) {
 336                 if (ac_prefs->smtp_userid) {
 337                         user = ac_prefs->smtp_userid;
 338                         if (ac_prefs->smtp_passwd)
 339                                 pass = ac_prefs->smtp_passwd;
 340                         else if (ac_prefs->tmp_smtp_pass)
 341                                 pass = ac_prefs->tmp_smtp_pass;
 342                         else {
 343                                 pass = input_dialog_query_password
 344                                         (ac_prefs->smtp_server, user);
 345                                 if (!pass) pass = g_strdup("");
 346                                 ac_prefs->tmp_smtp_pass = pass;
 347                         }
 348                 } else {
 349                         user = ac_prefs->userid;
 350                         if (ac_prefs->passwd)
 351                                 pass = ac_prefs->passwd;
 352                         else if (ac_prefs->tmp_pass)
 353                                 pass = ac_prefs->tmp_pass;
 354                         else {
 355                                 pass = input_dialog_query_password
 356                                         (ac_prefs->smtp_server, user);
 357                                 if (!pass) pass = g_strdup("");
 358                                 ac_prefs->tmp_pass = pass;
 359                         }
 360                 }
 361         }
 362
 363         dialog = send_progress_dialog_create();
 364
 365         text[0] = NULL;
 366         text[1] = ac_prefs->smtp_server;
 367         text[2] = _("Standby");
 368         clist = GTK_CLIST(dialog->dialog->clist);
 369         gtk_clist_append(clist, (gchar **)text);
 370
 371         g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 372                    ac_prefs->smtp_server);
 373         log_message("%s\n", buf);
 374         progress_dialog_set_label(dialog->dialog, buf);
 375         gtk_clist_set_text(clist, 0, 2, _("Connecting"));
 376         GTK_EVENTS_FLUSH();
 377
 378 #if USE_SSL
 379         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 380                                 (ac_prefs->smtp_server, port, domain,
 381                                  ac_prefs->use_smtp_auth, ac_prefs->ssl_smtp)),
 382                            "connecting to server");
 383 #else
 384         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 385                                 (ac_prefs->smtp_server, port, domain,
 386                                  ac_prefs->use_smtp_auth)),
 387                            "connecting to server");
 388 #endif
 389
 390         progress_dialog_set_label(dialog->dialog, _("Sending MAIL FROM..."));
 391         gtk_clist_set_text(clist, 0, 2, _("Sending"));
 392         GTK_EVENTS_FLUSH();
 393
 394         SEND_EXIT_IF_NOTOK
 395                 (smtp_from(smtp_sock, ac_prefs->address, user, pass,
 396                            ac_prefs->use_smtp_auth),
 397                  "sending MAIL FROM");
 398
 399         progress_dialog_set_label(dialog->dialog, _("Sending RCPT TO..."));
 400         GTK_EVENTS_FLUSH();
 401
 402         for (cur = to_list; cur != NULL; cur = cur->next)
 403                 SEND_EXIT_IF_NOTOK(smtp_rcpt(smtp_sock, (gchar *)cur->data),
 404                                    "sending RCPT TO");
 405
 406         progress_dialog_set_label(dialog->dialog, _("Sending DATA..."));
 407         GTK_EVENTS_FLUSH();
 408
 409         SEND_EXIT_IF_NOTOK(smtp_data(smtp_sock), "sending DATA");
 410
 411         /* send main part */
 412         SEND_EXIT_IF_ERROR(send_message_data(dialog, smtp_sock, fp, size) == 0,
 413                            "sending data");
 414
 415         progress_dialog_set_label(dialog->dialog, _("Quitting..."));
 416         GTK_EVENTS_FLUSH();
 417
 418         SEND_EXIT_IF_NOTOK(smtp_eom(smtp_sock), "terminating data");
 419         SEND_EXIT_IF_NOTOK(smtp_quit(smtp_sock), "sending QUIT");
 420
 421         sock_close(smtp_sock);
 422         send_progress_dialog_destroy(dialog);
 423
 424         return 0;
 425 }
 426
 427 #undef EXIT_IF_CANCELLED
 428 #undef SEND_EXIT_IF_ERROR
 429 #undef SEND_EXIT_IF_NOTOK
 430
 431 #define EXIT_IF_CANCELLED() \
 432 { \
 433         if (dialog->cancelled) return -1; \
 434 }
 435
 436 #define SEND_EXIT_IF_ERROR(f) \
 437 { \
 438         EXIT_IF_CANCELLED(); \
 439         if ((f) <= 0) return -1; \
 440 }
 441
 442 #define SEND_DIALOG_UPDATE() \
 443 { \
 444         gettimeofday(&tv_cur, NULL); \
 445         if (tv_cur.tv_sec - tv_prev.tv_sec > 0 || \
 446             tv_cur.tv_usec - tv_prev.tv_usec > UI_REFRESH_INTERVAL) { \
 447                 g_snprintf(str, sizeof(str), \
 448                            _("Sending message (%d / %d bytes)"), \
 449                            bytes, size); \
 450                 progress_dialog_set_label(dialog->dialog, str); \
 451                 progress_dialog_set_percentage \
 452                         (dialog->dialog, (gfloat)bytes / (gfloat)size); \
 453                 GTK_EVENTS_FLUSH(); \
 454                 gettimeofday(&tv_prev, NULL); \
 455         } \
 456 }
 457
 458 static gint send_message_data(SendProgressDialog *dialog, SockInfo *sock,
 459                               FILE *fp, gint size)
 460 {
 461         gchar buf[BUFFSIZE];
 462         gchar str[BUFFSIZE];
 463         gint bytes = 0;
 464         struct timeval tv_prev, tv_cur;
 465
 466         gettimeofday(&tv_prev, NULL);
 467
 468         /* output header part */
 469         while (fgets(buf, sizeof(buf), fp) != NULL) {
 470                 bytes += strlen(buf);
 471                 strretchomp(buf);
 472
 473                 SEND_DIALOG_UPDATE();
 474
 475                 if (!g_strncasecmp(buf, "Bcc:", 4)) {
 476                         gint next;
 477
 478                         for (;;) {
 479                                 next = fgetc(fp);
 480                                 if (next == EOF)
 481                                         break;
 482                                 else if (next != ' ' && next != '\t') {
 483                                         ungetc(next, fp);
 484                                         break;
 485                                 }
 486                                 if (fgets(buf, sizeof(buf), fp) == NULL)
 487                                         break;
 488                                 else
 489                                         bytes += strlen(buf);
 490                         }
 491                 } else {
 492                         SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 493                         if (buf[0] == '\0')
 494                                 break;
 495                 }
 496         }
 497
 498         /* output body part */
 499         while (fgets(buf, sizeof(buf), fp) != NULL) {
 500                 bytes += strlen(buf);
 501                 strretchomp(buf);
 502
 503                 SEND_DIALOG_UPDATE();
 504
 505                 /* escape when a dot appears on the top */
 506                 if (buf[0] == '.')
 507                         SEND_EXIT_IF_ERROR(sock_write(sock, ".", 1));
 508
 509                 SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 510         }
 511
 512         g_snprintf(str, sizeof(str), _("Sending message (%d / %d bytes)"),
 513                    bytes, size);
 514         progress_dialog_set_label(dialog->dialog, str);
 515         progress_dialog_set_percentage
 516                 (dialog->dialog, (gfloat)bytes / (gfloat)size);
 517         GTK_EVENTS_FLUSH();
 518
 519         return 0;
 520 }
 521
 522 #undef EXIT_IF_CANCELLED
 523 #undef SEND_EXIT_IF_ERROR
 524 #undef SEND_DIALOG_UPDATE
 525
 526 #if USE_SSL
 527 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 528                                 const gchar *domain, gboolean use_smtp_auth,
 529                                 SSLSMTPType ssl_type)
 530 #else
 531 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 532                                 const gchar *domain, gboolean use_smtp_auth)
 533 #endif
 534 {
 535         SockInfo *sock;
 536         gint val;
 537
 538         g_return_val_if_fail(server != NULL, NULL);
 539
 540         if ((sock = sock_connect(server, port)) == NULL) {
 541                 log_warning(_("Can't connect to SMTP server: %s:%d\n"),
 542                             server, port);
 543                 return NULL;
 544         }
 545
 546 #if USE_SSL
 547         if (ssl_type == SSL_SMTP_TUNNEL && !ssl_init_socket(sock)) {
 548                 log_warning(_("SSL connection failed"));
 549                 sock_close(sock);
 550                 return NULL;
 551         }
 552 #endif
 553
 554         if (smtp_ok(sock) != SM_OK) {
 555                 log_warning(_("Error occurred while connecting to %s:%d\n"),
 556                             server, port);
 557                 sock_close(sock);
 558                 return NULL;
 559         }
 560
 561 #if USE_SSL
 562         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 563                         use_smtp_auth || ssl_type == SSL_SMTP_STARTTLS);
 564 #else
 565         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 566                         use_smtp_auth);
 567 #endif
 568
 569         if (val != SM_OK) {
 570                 log_warning(_("Error occurred while sending HELO\n"));
 571                 sock_close(sock);
 572                 return NULL;
 573         }
 574
 575 #if USE_SSL
 576         if (ssl_type == SSL_SMTP_STARTTLS) {
 577                 val = esmtp_starttls(sock);
 578                 if (val != SM_OK) {
 579                         log_warning(_("Error occurred while sending STARTTLS\n"));
 580                         sock_close(sock);
 581                         return NULL;
 582                 }
 583                 if (!ssl_init_socket_with_method(sock, SSL_METHOD_TLSv1)) {
 584                         sock_close(sock);
 585                         return NULL;
 586                 }
 587                 val = esmtp_ehlo(sock, domain ? domain : get_domain_name());
 588                 if (val != SM_OK) {
 589                         log_warning(_("Error occurred while sending EHLO\n"));
 590                         sock_close(sock);
 591                         return NULL;
 592                 }
 593         }
 594 #endif
 595
 596         return sock;
 597 }
 598
 599
 600 static SendProgressDialog *send_progress_dialog_create(void)
 601 {
 602         SendProgressDialog *dialog;
 603         ProgressDialog *progress;
 604
 605         dialog = g_new0(SendProgressDialog, 1);
 606
 607         progress = progress_dialog_create();
 608         gtk_window_set_title(GTK_WINDOW(progress->window),
 609                              _("Sending message"));
 610         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 611                            GTK_SIGNAL_FUNC(send_cancel), dialog);
 612         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 613                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 614         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 615         manage_window_set_transient(GTK_WINDOW(progress->window));
 616
 617         progress_dialog_set_value(progress, 0.0);
 618
 619         gtk_widget_show_now(progress->window);
 620
 621         dialog->dialog = progress;
 622         dialog->queue_list = NULL;
 623         dialog->cancelled = FALSE;
 624
 625         return dialog;
 626 }
 627
 628 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 629 {
 630         g_return_if_fail(dialog != NULL);
 631
 632         progress_dialog_destroy(dialog->dialog);
 633         g_free(dialog);
 634 }
 635
 636 static void send_cancel(GtkWidget *widget, gpointer data)
 637 {
 638         SendProgressDialog *dialog = data;
 639
 640         dialog->cancelled = TRUE;
 641 }