src/send.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2001 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 <unistd.h>
  35
  36 #include "intl.h"
  37 #include "send.h"
  38 #include "socket.h"
  39 #include "ssl.h"
  40 #include "smtp.h"
  41 #include "esmtp.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 #if USE_SSL
  64 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  65                                  const gchar *domain, gboolean use_smtp_auth,
  66                                  SSLSMTPType ssl_type);
  67 #else
  68 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  69                                  const gchar *domain, gboolean use_smtp_auth);
  70 #endif
  71
  72 static gint send_message_data   (SendProgressDialog *dialog, SockInfo *sock,
  73                                  FILE *fp, gint size);
  74
  75 static SendProgressDialog *send_progress_dialog_create(void);
  76 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  77 static void send_cancel(GtkWidget *widget, gpointer data);
  78
  79 static gchar *send_query_password(const gchar *server, const gchar *user);
  80
  81
  82 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  83 {
  84         FILE *fp;
  85         gint val;
  86
  87         g_return_val_if_fail(file != NULL, -1);
  88         g_return_val_if_fail(ac_prefs != NULL, -1);
  89         g_return_val_if_fail(to_list != NULL, -1);
  90
  91         if ((fp = fopen(file, "r")) == NULL) {
  92                 FILE_OP_ERROR(file, "fopen");
  93                 return -1;
  94         }
  95
  96         if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
  97                 val = send_message_local(prefs_common.extsend_cmd, fp);
  98                 fclose(fp);
  99                 return val;
 100         }
 101
 102         val = send_message_smtp(ac_prefs, to_list, fp);
 103
 104         fclose(fp);
 105         return val;
 106 }
 107
 108 enum
 109 {
 110         Q_SENDER     = 0,
 111         Q_SMTPSERVER = 1,
 112         Q_RECIPIENTS = 2,
 113         Q_ACCOUNT_ID = 3
 114 };
 115
 116 gint send_message_queue(const gchar *file)
 117 {
 118         static HeaderEntry qentry[] = {{"S:",   NULL, FALSE},
 119                                        {"SSV:", NULL, FALSE},
 120                                        {"R:",   NULL, FALSE},
 121                                        {"AID:", NULL, FALSE},
 122                                        {NULL,   NULL, FALSE}};
 123         FILE *fp;
 124         gint val;
 125         gchar *from = NULL;
 126         gchar *server = NULL;
 127         GSList *to_list = NULL;
 128         gchar buf[BUFFSIZE];
 129         gint hnum;
 130         PrefsAccount *ac = NULL;
 131
 132         g_return_val_if_fail(file != NULL, -1);
 133
 134         if ((fp = fopen(file, "r")) == NULL) {
 135                 FILE_OP_ERROR(file, "fopen");
 136                 return -1;
 137         }
 138
 139         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
 140                != -1) {
 141                 gchar *p = buf + strlen(qentry[hnum].name);
 142
 143                 switch (hnum) {
 144                 case Q_SENDER:
 145                         if (!from) from = g_strdup(p);
 146                         break;
 147                 case Q_SMTPSERVER:
 148                         if (!server) server = g_strdup(p);
 149                         break;
 150                 case Q_RECIPIENTS:
 151                         to_list = address_list_append(to_list, p);
 152                         break;
 153                 case Q_ACCOUNT_ID:
 154                         ac = account_find_from_id(atoi(p));
 155                         break;
 156                 default:
 157                 }
 158         }
 159
 160         if (!to_list || !from) {
 161                 g_warning(_("Queued message header is broken.\n"));
 162                 val = -1;
 163         } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
 164                 val = send_message_local(prefs_common.extsend_cmd, fp);
 165         } else {
 166                 if (!ac) {
 167                         ac = account_find_from_smtp_server(from, server);
 168                         if (!ac) {
 169                                 g_warning(_("Account not found. "
 170                                             "Using current account...\n"));
 171                                 ac = cur_account;
 172                         }
 173                 }
 174
 175                 if (ac)
 176                         val = send_message_smtp(ac, to_list, fp);
 177                 else {
 178                         PrefsAccount tmp_ac;
 179
 180                         g_warning(_("Account not found.\n"));
 181
 182                         memset(&tmp_ac, 0, sizeof(PrefsAccount));
 183                         tmp_ac.address = from;
 184                         tmp_ac.smtp_server = server;
 185                         tmp_ac.smtpport = SMTP_PORT;
 186                         val = send_message_smtp(&tmp_ac, to_list, fp);
 187                 }
 188         }
 189
 190         slist_free_strings(to_list);
 191         g_slist_free(to_list);
 192         g_free(from);
 193         g_free(server);
 194         fclose(fp);
 195
 196         return val;
 197 }
 198
 199 gint send_message_local(const gchar *command, FILE *fp)
 200 {
 201         FILE *pipefp;
 202         gchar buf[BUFFSIZE];
 203
 204         g_return_val_if_fail(command != NULL, -1);
 205         g_return_val_if_fail(fp != NULL, -1);
 206
 207         pipefp = popen(command, "w");
 208         if (!pipefp) {
 209                 g_warning(_("Can't execute external command: %s\n"), command);
 210                 return -1;
 211         }
 212
 213         while (fgets(buf, sizeof(buf), fp) != NULL) {
 214                 strretchomp(buf);
 215                 /* escape when a dot appears on the top */
 216                 if (buf[0] == '.')
 217                         fputc('.', pipefp);
 218                 fputs(buf, pipefp);
 219                 fputc('\n', pipefp);
 220         }
 221
 222         pclose(pipefp);
 223
 224         return 0;
 225 }
 226
 227 #define EXIT_IF_CANCELLED() \
 228 { \
 229         if (dialog->cancelled) { \
 230                 sock_close(smtp_sock); \
 231                 send_progress_dialog_destroy(dialog); \
 232                 return -1; \
 233         } \
 234 }
 235
 236 #define SEND_EXIT_IF_ERROR(f, s) \
 237 { \
 238         EXIT_IF_CANCELLED(); \
 239         if (!(f)) { \
 240                 log_warning("Error occurred while %s\n", s); \
 241                 sock_close(smtp_sock); \
 242                 send_progress_dialog_destroy(dialog); \
 243                 return -1; \
 244         } \
 245 }
 246
 247 #define SEND_EXIT_IF_NOTOK(f, s) \
 248 { \
 249         gint ok; \
 250  \
 251         EXIT_IF_CANCELLED(); \
 252         if ((ok = (f)) != SM_OK) { \
 253                 log_warning("Error occurred while %s\n", s); \
 254                 if (ok == SM_AUTHFAIL) { \
 255                         log_warning("SMTP AUTH failed\n"); \
 256                         if (ac_prefs->tmp_pass) { \
 257                                 g_free(ac_prefs->tmp_pass); \
 258                                 ac_prefs->tmp_pass = NULL; \
 259                         } \
 260                 } \
 261                 if (smtp_quit(smtp_sock) != SM_OK) \
 262                         log_warning("Error occurred while sending QUIT\n"); \
 263                 sock_close(smtp_sock); \
 264                 send_progress_dialog_destroy(dialog); \
 265                 return -1; \
 266         } \
 267 }
 268
 269 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list,
 270                               FILE *fp)
 271 {
 272         SockInfo *smtp_sock = NULL;
 273         SendProgressDialog *dialog;
 274         GtkCList *clist;
 275         const gchar *text[3];
 276         gchar buf[BUFFSIZE];
 277         gushort port;
 278         gchar *domain;
 279         gchar *user = NULL;
 280         gchar *pass = NULL;
 281         GSList *cur;
 282         gint size;
 283
 284         g_return_val_if_fail(ac_prefs != NULL, -1);
 285         g_return_val_if_fail(ac_prefs->address != NULL, -1);
 286         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 287         g_return_val_if_fail(to_list != NULL, -1);
 288         g_return_val_if_fail(fp != NULL, -1);
 289
 290         size = get_left_file_size(fp);
 291         if (size < 0) return -1;
 292
 293 #if USE_SSL
 294         port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 295                 ac_prefs->ssl_smtp == SSL_SMTP_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 296 #else
 297         port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 298 #endif
 299         domain = ac_prefs->set_domain ? ac_prefs->domain : NULL;
 300
 301         if (ac_prefs->use_smtp_auth) {
 302                 if (ac_prefs->smtp_userid) {
 303                         user = ac_prefs->smtp_userid;
 304                         if(ac_prefs->smtp_passwd)
 305                                 pass = ac_prefs->smtp_passwd;
 306                         else if (ac_prefs->tmp_pass)
 307                                 pass = ac_prefs->tmp_pass;
 308                         else {
 309                                 pass = send_query_password(ac_prefs->smtp_server,
 310                                                            ac_prefs->smtp_userid);
 311                                 if (!pass) pass = g_strdup("");
 312                                 ac_prefs->tmp_pass = pass;
 313                         }
 314                 } else {
 315                         user = ac_prefs->userid;
 316                         if (ac_prefs->passwd) {
 317                                 pass = ac_prefs->passwd;
 318                         } else if (ac_prefs->tmp_pass)
 319                                 pass = ac_prefs->tmp_pass;
 320                         else {
 321                                 pass = send_query_password(ac_prefs->smtp_server,
 322                                                            ac_prefs->userid);
 323                                 if (!pass) pass = g_strdup("");
 324                                 ac_prefs->tmp_pass = pass;
 325                         }
 326                 }
 327         }
 328
 329         dialog = send_progress_dialog_create();
 330
 331         text[0] = NULL;
 332         text[1] = ac_prefs->smtp_server;
 333         text[2] = _("Standby");
 334         clist = GTK_CLIST(dialog->dialog->clist);
 335         gtk_clist_append(clist, (gchar **)text);
 336
 337         g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 338                    ac_prefs->smtp_server);
 339         log_message("%s\n", buf);
 340         progress_dialog_set_label(dialog->dialog, buf);
 341         gtk_clist_set_text(clist, 0, 2, _("Connecting"));
 342         GTK_EVENTS_FLUSH();
 343
 344 #if USE_SSL
 345         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 346                                 (ac_prefs->smtp_server, port, domain,
 347                                  ac_prefs->use_smtp_auth, ac_prefs->ssl_smtp)),
 348                            "connecting to server");
 349 #else
 350         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 351                                 (ac_prefs->smtp_server, port, domain,
 352                                  ac_prefs->use_smtp_auth)),
 353                            "connecting to server");
 354 #endif
 355
 356         progress_dialog_set_label(dialog->dialog, _("Sending MAIL FROM..."));
 357         gtk_clist_set_text(clist, 0, 2, _("Sending"));
 358         GTK_EVENTS_FLUSH();
 359
 360         SEND_EXIT_IF_NOTOK
 361                 (smtp_from(smtp_sock, ac_prefs->address, user,
 362                            pass, ac_prefs->use_smtp_auth),
 363                  "sending MAIL FROM");
 364
 365         progress_dialog_set_label(dialog->dialog, _("Sending RCPT TO..."));
 366         GTK_EVENTS_FLUSH();
 367
 368         for (cur = to_list; cur != NULL; cur = cur->next)
 369                 SEND_EXIT_IF_NOTOK(smtp_rcpt(smtp_sock, (gchar *)cur->data),
 370                                    "sending RCPT TO");
 371
 372         progress_dialog_set_label(dialog->dialog, _("Sending DATA..."));
 373         GTK_EVENTS_FLUSH();
 374
 375         SEND_EXIT_IF_NOTOK(smtp_data(smtp_sock), "sending DATA");
 376
 377         /* send main part */
 378         SEND_EXIT_IF_ERROR(send_message_data(dialog, smtp_sock, fp, size) == 0,
 379                            "sending data");
 380
 381         progress_dialog_set_label(dialog->dialog, _("Quitting..."));
 382         GTK_EVENTS_FLUSH();
 383
 384         SEND_EXIT_IF_NOTOK(smtp_eom(smtp_sock), "terminating data");
 385         SEND_EXIT_IF_NOTOK(smtp_quit(smtp_sock), "sending QUIT");
 386
 387         sock_close(smtp_sock);
 388         send_progress_dialog_destroy(dialog);
 389
 390         return 0;
 391 }
 392
 393 #undef EXIT_IF_CANCELLED
 394 #undef SEND_EXIT_IF_ERROR
 395 #undef SEND_EXIT_IF_NOTOK
 396
 397 #define EXIT_IF_CANCELLED() \
 398 { \
 399         if (dialog->cancelled) return -1; \
 400 }
 401
 402 #define SEND_EXIT_IF_ERROR(f) \
 403 { \
 404         EXIT_IF_CANCELLED(); \
 405         if ((f) <= 0) return -1; \
 406 }
 407
 408 #define SEND_DIALOG_UPDATE() \
 409 { \
 410         gettimeofday(&tv_cur, NULL); \
 411         if (tv_cur.tv_sec - tv_prev.tv_sec > 0 || \
 412             tv_cur.tv_usec - tv_prev.tv_usec > UI_REFRESH_INTERVAL) { \
 413                 g_snprintf(str, sizeof(str), \
 414                            _("Sending message (%d / %d bytes)"), \
 415                            bytes, size); \
 416                 progress_dialog_set_label(dialog->dialog, str); \
 417                 progress_dialog_set_percentage \
 418                         (dialog->dialog, (gfloat)bytes / (gfloat)size); \
 419                 GTK_EVENTS_FLUSH(); \
 420                 gettimeofday(&tv_prev, NULL); \
 421         } \
 422 }
 423
 424 static gint send_message_data(SendProgressDialog *dialog, SockInfo *sock,
 425                               FILE *fp, gint size)
 426 {
 427         gchar buf[BUFFSIZE];
 428         gchar str[BUFFSIZE];
 429         gint bytes = 0;
 430         struct timeval tv_prev, tv_cur;
 431
 432         gettimeofday(&tv_prev, NULL);
 433
 434         /* output header part */
 435         while (fgets(buf, sizeof(buf), fp) != NULL) {
 436                 bytes += strlen(buf);
 437                 strretchomp(buf);
 438
 439                 SEND_DIALOG_UPDATE();
 440
 441                 if (!g_strncasecmp(buf, "Bcc:", 4)) {
 442                         gint next;
 443
 444                         for (;;) {
 445                                 next = fgetc(fp);
 446                                 if (next == EOF)
 447                                         break;
 448                                 else if (next != ' ' && next != '\t') {
 449                                         ungetc(next, fp);
 450                                         break;
 451                                 }
 452                                 if (fgets(buf, sizeof(buf), fp) == NULL)
 453                                         break;
 454                                 else
 455                                         bytes += strlen(buf);
 456                         }
 457                 } else {
 458                         SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 459                         if (buf[0] == '\0')
 460                                 break;
 461                 }
 462         }
 463
 464         /* output body part */
 465         while (fgets(buf, sizeof(buf), fp) != NULL) {
 466                 bytes += strlen(buf);
 467                 strretchomp(buf);
 468
 469                 SEND_DIALOG_UPDATE();
 470
 471                 /* escape when a dot appears on the top */
 472                 if (buf[0] == '.')
 473                         SEND_EXIT_IF_ERROR(sock_write(sock, ".", 1));
 474
 475                 SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 476         }
 477
 478         g_snprintf(str, sizeof(str), _("Sending message (%d / %d bytes)"),
 479                    bytes, size);
 480         progress_dialog_set_label(dialog->dialog, str);
 481         progress_dialog_set_percentage
 482                 (dialog->dialog, (gfloat)bytes / (gfloat)size);
 483         GTK_EVENTS_FLUSH();
 484
 485         return 0;
 486 }
 487
 488 #undef EXIT_IF_CANCELLED
 489 #undef SEND_EXIT_IF_ERROR
 490 #undef SEND_DIALOG_UPDATE
 491
 492 #if USE_SSL
 493 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 494                                 const gchar *domain, gboolean use_smtp_auth,
 495                                 SSLSMTPType ssl_type)
 496 #else
 497 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 498                                 const gchar *domain, gboolean use_smtp_auth)
 499 #endif
 500 {
 501         SockInfo *sock;
 502         gint val;
 503
 504         g_return_val_if_fail(server != NULL, NULL);
 505
 506         if ((sock = sock_connect(server, port)) == NULL) {
 507                 log_warning(_("Can't connect to SMTP server: %s:%d\n"),
 508                             server, port);
 509                 return NULL;
 510         }
 511
 512 #if USE_SSL
 513         if (ssl_type == SSL_SMTP_TUNNEL && !ssl_init_socket(sock)) {
 514                 log_warning(_("SSL connection failed"));
 515                 sock_close(sock);
 516                 return NULL;
 517         }
 518 #endif
 519
 520         if (smtp_ok(sock) != SM_OK) {
 521                 log_warning(_("Error occurred while connecting to %s:%d\n"),
 522                             server, port);
 523                 sock_close(sock);
 524                 return NULL;
 525         }
 526
 527 #if USE_SSL
 528         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 529                         use_smtp_auth || ssl_type == SSL_SMTP_STARTTLS);
 530 #else
 531         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 532                         use_smtp_auth);
 533 #endif
 534
 535         if (val != SM_OK) {
 536                 log_warning(_("Error occurred while sending HELO\n"));
 537                 sock_close(sock);
 538                 return NULL;
 539         }
 540
 541 #if USE_SSL
 542         if (ssl_type == SSL_SMTP_STARTTLS) {
 543                 val = esmtp_starttls(sock);
 544                 if (val != SM_OK) {
 545                         log_warning(_("Error occurred while sending STARTTLS\n"));
 546                         sock_close(sock);
 547                         return NULL;
 548                 }
 549                 if (!ssl_init_socket_with_method(sock, SSL_METHOD_TLSv1)) {
 550                         sock_close(sock);
 551                         return NULL;
 552                 }
 553                 val = esmtp_ehlo(sock, domain ? domain : get_domain_name());
 554                 if (val != SM_OK) {
 555                         log_warning(_("Error occurred while sending EHLO\n"));
 556                         sock_close(sock);
 557                         return NULL;
 558                 }
 559         }
 560 #endif
 561
 562         return sock;
 563 }
 564
 565
 566 static SendProgressDialog *send_progress_dialog_create(void)
 567 {
 568         SendProgressDialog *dialog;
 569         ProgressDialog *progress;
 570
 571         dialog = g_new0(SendProgressDialog, 1);
 572
 573         progress = progress_dialog_create();
 574         gtk_window_set_title(GTK_WINDOW(progress->window),
 575                              _("Sending message"));
 576         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 577                            GTK_SIGNAL_FUNC(send_cancel), dialog);
 578         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 579                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 580         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 581         manage_window_set_transient(GTK_WINDOW(progress->window));
 582
 583         progress_dialog_set_value(progress, 0.0);
 584
 585         gtk_widget_show_now(progress->window);
 586
 587         dialog->dialog = progress;
 588         dialog->queue_list = NULL;
 589         dialog->cancelled = FALSE;
 590
 591         return dialog;
 592 }
 593
 594 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 595 {
 596         g_return_if_fail(dialog != NULL);
 597
 598         progress_dialog_destroy(dialog->dialog);
 599         g_free(dialog);
 600 }
 601
 602 static void send_cancel(GtkWidget *widget, gpointer data)
 603 {
 604         SendProgressDialog *dialog = data;
 605
 606         dialog->cancelled = TRUE;
 607 }
 608
 609 static gchar *send_query_password(const gchar *server, const gchar *user)
 610 {
 611         gchar *message;
 612         gchar *pass;
 613
 614         message = g_strdup_printf(_("Input password for %s on %s:"),
 615                                   user, server);
 616         pass = input_dialog_with_invisible(_("Input password"), message, NULL);
 617         g_free(message);
 618
 619         return pass;
 620 }