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 "manage_window.h"
  48 #include "procmsg.h"
  49 #include "procheader.h"
  50 #include "utils.h"
  51 #include "gtkutils.h"
  52
  53 #define SMTP_PORT       25
  54 #if USE_SSL
  55 #define SSMTP_PORT      465
  56 #endif
  57
  58 typedef struct _SendProgressDialog      SendProgressDialog;
  59
  60 struct _SendProgressDialog
  61 {
  62         ProgressDialog *dialog;
  63         GList *queue_list;
  64         gboolean cancelled;
  65 };
  66
  67 static gint send_message_local  (const gchar *command, FILE *fp);
  68
  69 #if USE_SSL
  70 static gint send_message_smtp   (GSList *to_list, const gchar *from,
  71                                  const gchar *server, gushort port,
  72                                  const gchar *domain, const gchar *userid,
  73                                  const gchar *passwd, gboolean use_smtp_auth,
  74                                  SSLSMTPType ssl_type, FILE *fp);
  75 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  76                                  const gchar *domain, gboolean use_smtp_auth,
  77                                  SSLSMTPType ssl_type);
  78 #else
  79 static gint send_message_smtp   (GSList *to_list, const gchar *from,
  80                                  const gchar *server, gushort port,
  81                                  const gchar *domain, const gchar *userid,
  82                                  const gchar *passwd, gboolean use_smtp_auth,
  83                                  FILE *fp);
  84 static SockInfo *send_smtp_open (const gchar *server, gushort port,
  85                                  const gchar *domain, gboolean use_smtp_auth);
  86 #endif
  87
  88 static gint send_message_data   (SendProgressDialog *dialog, SockInfo *sock,
  89                                  FILE *fp, gint size);
  90
  91 static SendProgressDialog *send_progress_dialog_create(void);
  92 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  93 static void send_cancel(GtkWidget *widget, gpointer data);
  94
  95 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  96 {
  97         FILE *fp;
  98         gint val;
  99         gushort port;
 100         gchar *domain;
 101
 102         g_return_val_if_fail(file != NULL, -1);
 103         g_return_val_if_fail(ac_prefs != NULL, -1);
 104         g_return_val_if_fail(to_list != NULL, -1);
 105
 106         if ((fp = fopen(file, "r")) == NULL) {
 107                 FILE_OP_ERROR(file, "fopen");
 108                 return -1;
 109         }
 110
 111         if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
 112                 val = send_message_local(prefs_common.extsend_cmd, fp);
 113                 fclose(fp);
 114                 return val;
 115         }
 116
 117 #if USE_SSL
 118         port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 119                 ac_prefs->ssl_smtp == SSL_SMTP_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 120 #else
 121         port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 122 #endif
 123         domain = ac_prefs->set_domain ? ac_prefs->domain : NULL;
 124
 125 #if USE_SSL
 126         val = send_message_smtp(to_list, ac_prefs->address,
 127                                 ac_prefs->smtp_server, port, domain,
 128                                 ac_prefs->userid, ac_prefs->passwd,
 129                                 ac_prefs->use_smtp_auth, ac_prefs->ssl_smtp,
 130                                 fp);
 131 #else
 132         val = send_message_smtp(to_list, ac_prefs->address,
 133                                 ac_prefs->smtp_server, port, domain,
 134                                 ac_prefs->userid, ac_prefs->passwd,
 135                                 ac_prefs->use_smtp_auth, fp);
 136 #endif
 137
 138         fclose(fp);
 139         return val;
 140 }
 141
 142 enum
 143 {
 144         Q_SENDER     = 0,
 145         Q_SMTPSERVER = 1,
 146         Q_RECIPIENTS = 2,
 147         Q_ACCOUNT_ID = 3
 148 };
 149
 150 gint send_message_queue(const gchar *file)
 151 {
 152         static HeaderEntry qentry[] = {{"S:",   NULL, FALSE},
 153                                        {"SSV:", NULL, FALSE},
 154                                        {"R:",   NULL, FALSE},
 155                                        {"AID:", NULL, FALSE},
 156                                        {NULL,   NULL, FALSE}};
 157         FILE *fp;
 158         gint val;
 159         gchar *from = NULL;
 160         gchar *server = NULL;
 161         GSList *to_list = NULL;
 162         gchar buf[BUFFSIZE];
 163         gint hnum;
 164         PrefsAccount *ac = NULL;
 165
 166         g_return_val_if_fail(file != NULL, -1);
 167
 168         if ((fp = fopen(file, "r")) == NULL) {
 169                 FILE_OP_ERROR(file, "fopen");
 170                 return -1;
 171         }
 172
 173         while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, qentry))
 174                != -1) {
 175                 gchar *p = buf + strlen(qentry[hnum].name);
 176
 177                 switch (hnum) {
 178                 case Q_SENDER:
 179                         if (!from) from = g_strdup(p);
 180                         break;
 181                 case Q_SMTPSERVER:
 182                         if (!server) server = g_strdup(p);
 183                         break;
 184                 case Q_RECIPIENTS:
 185                         to_list = address_list_append(to_list, p);
 186                         break;
 187                 case Q_ACCOUNT_ID:
 188                         ac = account_find_from_id(atoi(p));
 189                         break;
 190                 default:
 191                 }
 192         }
 193
 194         if (!to_list || !from) {
 195                 g_warning(_("Queued message header is broken.\n"));
 196                 val = -1;
 197         } else if (prefs_common.use_extsend && prefs_common.extsend_cmd) {
 198                 val = send_message_local(prefs_common.extsend_cmd, fp);
 199         } else {
 200                 gushort port;
 201                 gchar *domain;
 202
 203                 if (!ac) {
 204                         ac = account_find_from_smtp_server(from, server);
 205                         if (!ac) {
 206                                 g_warning(_("Account not found. "
 207                                             "Using current account...\n"));
 208                                 ac = cur_account;
 209                         }
 210                 }
 211
 212                 if (ac) {
 213 #if USE_SSL
 214                         port = ac->set_smtpport ? ac->smtpport :
 215                                 ac->ssl_smtp == SSL_SMTP_TUNNEL ?
 216                                 SSMTP_PORT : SMTP_PORT;
 217 #else
 218                         port = ac->set_smtpport ? ac->smtpport : SMTP_PORT;
 219 #endif
 220                         domain = ac->set_domain ? ac->domain : NULL;
 221 #if USE_SSL
 222                         val = send_message_smtp
 223                                 (to_list, from, ac->smtp_server, port, domain,
 224                                  ac->userid, ac->passwd, ac->use_smtp_auth,
 225                                  ac->ssl_smtp, fp);
 226 #else
 227                         val = send_message_smtp
 228                                 (to_list, from, ac->smtp_server, port, domain,
 229                                  ac->userid, ac->passwd, ac->use_smtp_auth, fp);
 230 #endif
 231                 } else {
 232                         g_warning(_("Account not found.\n"));
 233 #if USE_SSL
 234                         val = send_message_smtp
 235                                 (to_list, from, server, SMTP_PORT, NULL,
 236                                  NULL, NULL, FALSE, FALSE, fp);
 237 #else
 238                         val = send_message_smtp
 239                                 (to_list, from, server, SMTP_PORT, NULL,
 240                                  NULL, NULL, FALSE, fp);
 241 #endif
 242                 }
 243         }
 244
 245         slist_free_strings(to_list);
 246         g_slist_free(to_list);
 247         g_free(from);
 248         g_free(server);
 249         fclose(fp);
 250
 251         return val;
 252 }
 253
 254 static gint send_message_local(const gchar *command, FILE *fp)
 255 {
 256         FILE *pipefp;
 257         gchar buf[BUFFSIZE];
 258
 259         g_return_val_if_fail(command != NULL, -1);
 260         g_return_val_if_fail(fp != NULL, -1);
 261
 262         pipefp = popen(command, "w");
 263         if (!pipefp) {
 264                 g_warning(_("Can't execute external command: %s\n"), command);
 265                 return -1;
 266         }
 267
 268         while (fgets(buf, sizeof(buf), fp) != NULL) {
 269                 strretchomp(buf);
 270                 /* escape when a dot appears on the top */
 271                 if (buf[0] == '.')
 272                         fputc('.', pipefp);
 273                 fputs(buf, pipefp);
 274                 fputc('\n', pipefp);
 275         }
 276
 277         pclose(pipefp);
 278
 279         return 0;
 280 }
 281
 282 #define EXIT_IF_CANCELLED() \
 283 { \
 284         if (dialog->cancelled) { \
 285                 sock_close(smtp_sock); \
 286                 send_progress_dialog_destroy(dialog); \
 287                 return -1; \
 288         } \
 289 }
 290
 291 #define SEND_EXIT_IF_ERROR(f, s) \
 292 { \
 293         EXIT_IF_CANCELLED(); \
 294         if (!(f)) { \
 295                 log_warning("Error occurred while %s\n", s); \
 296                 sock_close(smtp_sock); \
 297                 send_progress_dialog_destroy(dialog); \
 298                 return -1; \
 299         } \
 300 }
 301
 302 #define SEND_EXIT_IF_NOTOK(f, s) \
 303 { \
 304         EXIT_IF_CANCELLED(); \
 305         if ((f) != SM_OK) { \
 306                 log_warning("Error occurred while %s\n", s); \
 307                 if (smtp_quit(smtp_sock) != SM_OK) \
 308                         log_warning("Error occurred while sending QUIT\n"); \
 309                 sock_close(smtp_sock); \
 310                 send_progress_dialog_destroy(dialog); \
 311                 return -1; \
 312         } \
 313 }
 314
 315 #if USE_SSL
 316 static gint send_message_smtp(GSList *to_list, const gchar *from,
 317                               const gchar *server, gushort port,
 318                               const gchar *domain, const gchar *userid,
 319                               const gchar *passwd, gboolean use_smtp_auth,
 320                               SSLSMTPType ssl_type, FILE *fp)
 321 #else
 322 static gint send_message_smtp(GSList *to_list, const gchar *from,
 323                               const gchar *server, gushort port,
 324                               const gchar *domain, const gchar *userid,
 325                               const gchar *passwd, gboolean use_smtp_auth,
 326                               FILE *fp)
 327 #endif
 328 {
 329         SockInfo *smtp_sock = NULL;
 330         SendProgressDialog *dialog;
 331         GtkCList *clist;
 332         const gchar *text[3];
 333         gchar buf[BUFFSIZE];
 334         GSList *cur;
 335         gint size;
 336
 337         g_return_val_if_fail(to_list != NULL, -1);
 338         g_return_val_if_fail(from != NULL, -1);
 339         g_return_val_if_fail(server != NULL, -1);
 340         g_return_val_if_fail(fp != NULL, -1);
 341
 342         size = get_left_file_size(fp);
 343         if (size < 0) return -1;
 344
 345         dialog = send_progress_dialog_create();
 346
 347         text[0] = NULL;
 348         text[1] = server;
 349         text[2] = _("Standby");
 350         clist = GTK_CLIST(dialog->dialog->clist);
 351         gtk_clist_append(clist, (gchar **)text);
 352
 353         g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 354                    server);
 355         log_message("%s\n", buf);
 356         progress_dialog_set_label(dialog->dialog, buf);
 357         gtk_clist_set_text(clist, 0, 2, _("Connecting"));
 358         GTK_EVENTS_FLUSH();
 359
 360 #if USE_SSL
 361         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 362                                 (server, port, domain, use_smtp_auth, ssl_type)),
 363                            "connecting to server");
 364 #else
 365         SEND_EXIT_IF_ERROR((smtp_sock = send_smtp_open
 366                                 (server, port, domain, use_smtp_auth)),
 367                            "connecting to server");
 368 #endif
 369
 370         progress_dialog_set_label(dialog->dialog, _("Sending MAIL FROM..."));
 371         gtk_clist_set_text(clist, 0, 2, _("Sending"));
 372         GTK_EVENTS_FLUSH();
 373
 374         SEND_EXIT_IF_NOTOK
 375                 (smtp_from(smtp_sock, from, userid, passwd, use_smtp_auth),
 376                  "sending MAIL FROM");
 377
 378         progress_dialog_set_label(dialog->dialog, _("Sending RCPT TO..."));
 379         GTK_EVENTS_FLUSH();
 380
 381         for (cur = to_list; cur != NULL; cur = cur->next)
 382                 SEND_EXIT_IF_NOTOK(smtp_rcpt(smtp_sock, (gchar *)cur->data),
 383                                    "sending RCPT TO");
 384
 385         progress_dialog_set_label(dialog->dialog, _("Sending DATA..."));
 386         GTK_EVENTS_FLUSH();
 387
 388         SEND_EXIT_IF_NOTOK(smtp_data(smtp_sock), "sending DATA");
 389
 390         /* send main part */
 391         SEND_EXIT_IF_ERROR(send_message_data(dialog, smtp_sock, fp, size) == 0,
 392                            "sending data");
 393
 394         progress_dialog_set_label(dialog->dialog, _("Quitting..."));
 395         GTK_EVENTS_FLUSH();
 396
 397         SEND_EXIT_IF_NOTOK(smtp_eom(smtp_sock), "terminating data");
 398         SEND_EXIT_IF_NOTOK(smtp_quit(smtp_sock), "sending QUIT");
 399
 400         sock_close(smtp_sock);
 401         send_progress_dialog_destroy(dialog);
 402
 403         return 0;
 404 }
 405
 406 #undef EXIT_IF_CANCELLED
 407 #undef SEND_EXIT_IF_ERROR
 408 #undef SEND_EXIT_IF_NOTOK
 409
 410 #define EXIT_IF_CANCELLED() \
 411 { \
 412         if (dialog->cancelled) return -1; \
 413 }
 414
 415 #define SEND_EXIT_IF_ERROR(f) \
 416 { \
 417         EXIT_IF_CANCELLED(); \
 418         if ((f) <= 0) return -1; \
 419 }
 420
 421 #define SEND_DIALOG_UPDATE() \
 422 { \
 423         gettimeofday(&tv_cur, NULL); \
 424         if (tv_cur.tv_sec - tv_prev.tv_sec > 0 || \
 425             tv_cur.tv_usec - tv_prev.tv_usec > UI_REFRESH_INTERVAL) { \
 426                 g_snprintf(str, sizeof(str), \
 427                            _("Sending message (%d / %d bytes)"), \
 428                            bytes, size); \
 429                 progress_dialog_set_label(dialog->dialog, str); \
 430                 progress_dialog_set_percentage \
 431                         (dialog->dialog, (gfloat)bytes / (gfloat)size); \
 432                 GTK_EVENTS_FLUSH(); \
 433                 gettimeofday(&tv_prev, NULL); \
 434         } \
 435 }
 436
 437 static gint send_message_data(SendProgressDialog *dialog, SockInfo *sock,
 438                               FILE *fp, gint size)
 439 {
 440         gchar buf[BUFFSIZE];
 441         gchar str[BUFFSIZE];
 442         gint bytes = 0;
 443         struct timeval tv_prev, tv_cur;
 444
 445         gettimeofday(&tv_prev, NULL);
 446
 447         /* output header part */
 448         while (fgets(buf, sizeof(buf), fp) != NULL) {
 449                 bytes += strlen(buf);
 450                 strretchomp(buf);
 451
 452                 SEND_DIALOG_UPDATE();
 453
 454                 if (!g_strncasecmp(buf, "Bcc:", 4)) {
 455                         gint next;
 456
 457                         for (;;) {
 458                                 next = fgetc(fp);
 459                                 if (next != ' ' && next != '\t') {
 460                                         ungetc(next, fp);
 461                                         break;
 462                                 }
 463                                 if (fgets(buf, sizeof(buf), fp) == NULL)
 464                                         break;
 465                                 else
 466                                         bytes += strlen(buf);
 467                         }
 468                 } else {
 469                         SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 470                 }
 471         }
 472
 473         SEND_EXIT_IF_ERROR(sock_write(sock, "\r\n", 2));
 474
 475         /* output body part */
 476         while (fgets(buf, sizeof(buf), fp) != NULL) {
 477                 bytes += strlen(buf);
 478                 strretchomp(buf);
 479
 480                 SEND_DIALOG_UPDATE();
 481
 482                 /* escape when a dot appears on the top */
 483                 if (buf[0] == '.')
 484                         SEND_EXIT_IF_ERROR(sock_write(sock, ".", 1));
 485
 486                 SEND_EXIT_IF_ERROR(sock_puts(sock, buf));
 487         }
 488
 489         g_snprintf(str, sizeof(str), _("Sending message (%d / %d bytes)"),
 490                    bytes, size);
 491         progress_dialog_set_label(dialog->dialog, str);
 492         progress_dialog_set_percentage
 493                 (dialog->dialog, (gfloat)bytes / (gfloat)size);
 494         GTK_EVENTS_FLUSH();
 495
 496         return 0;
 497 }
 498
 499 #undef EXIT_IF_CANCELLED
 500 #undef SEND_EXIT_IF_ERROR
 501 #undef SEND_DIALOG_UPDATE
 502
 503 #if USE_SSL
 504 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 505                                 const gchar *domain, gboolean use_smtp_auth,
 506                                 SSLSMTPType ssl_type)
 507 #else
 508 static SockInfo *send_smtp_open(const gchar *server, gushort port,
 509                                 const gchar *domain, gboolean use_smtp_auth)
 510 #endif
 511 {
 512         SockInfo *sock;
 513         gint val;
 514
 515         g_return_val_if_fail(server != NULL, NULL);
 516
 517         if ((sock = sock_connect(server, port)) == NULL) {
 518                 log_warning(_("Can't connect to SMTP server: %s:%d\n"),
 519                             server, port);
 520                 return NULL;
 521         }
 522
 523 #if USE_SSL
 524         if (ssl_type == SSL_SMTP_TUNNEL && !ssl_init_socket(sock)) {
 525                 log_warning(_("SSL connection failed"));
 526                 sock_close(sock);
 527                 return NULL;
 528         }
 529 #endif
 530
 531         if (smtp_ok(sock) != SM_OK) {
 532                 log_warning(_("Error occurred while connecting to %s:%d\n"),
 533                             server, port);
 534                 sock_close(sock);
 535                 return NULL;
 536         }
 537
 538 #if USE_SSL
 539         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 540                         use_smtp_auth || ssl_type == SSL_SMTP_STARTTLS);
 541 #else
 542         val = smtp_helo(sock, domain ? domain : get_domain_name(),
 543                         use_smtp_auth);
 544 #endif
 545
 546         if (val != SM_OK) {
 547                 log_warning(_("Error occurred while sending HELO\n"));
 548                 sock_close(sock);
 549                 return NULL;
 550         }
 551
 552 #if USE_SSL
 553         if (ssl_type == SSL_SMTP_STARTTLS) {
 554                 val = esmtp_starttls(sock);
 555                 if (val != SM_OK) {
 556                         log_warning(_("Error occurred while sending STARTTLS\n"));
 557                         sock_close(sock);
 558                         return NULL;
 559                 }
 560                 if (!ssl_init_socket_with_method(sock, SSL_METHOD_TLSv1)) {
 561                         sock_close(sock);
 562                         return NULL;
 563                 }
 564                 val = esmtp_ehlo(sock, domain ? domain : get_domain_name());
 565                 if (val != SM_OK) {
 566                         log_warning(_("Error occurred while sending EHLO\n"));
 567                         sock_close(sock);
 568                         return NULL;
 569                 }
 570         }
 571 #endif
 572
 573         return sock;
 574 }
 575
 576
 577 static SendProgressDialog *send_progress_dialog_create(void)
 578 {
 579         SendProgressDialog *dialog;
 580         ProgressDialog *progress;
 581
 582         dialog = g_new0(SendProgressDialog, 1);
 583
 584         progress = progress_dialog_create();
 585         gtk_window_set_title(GTK_WINDOW(progress->window),
 586                              _("Sending message"));
 587         gtk_signal_connect(GTK_OBJECT(progress->cancel_btn), "clicked",
 588                            GTK_SIGNAL_FUNC(send_cancel), dialog);
 589         gtk_signal_connect(GTK_OBJECT(progress->window), "delete_event",
 590                            GTK_SIGNAL_FUNC(gtk_true), NULL);
 591         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 592         manage_window_set_transient(GTK_WINDOW(progress->window));
 593
 594         progress_dialog_set_value(progress, 0.0);
 595
 596         gtk_widget_show_now(progress->window);
 597
 598         dialog->dialog = progress;
 599         dialog->queue_list = NULL;
 600         dialog->cancelled = FALSE;
 601
 602         return dialog;
 603 }
 604
 605 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 606 {
 607         g_return_if_fail(dialog != NULL);
 608
 609         progress_dialog_destroy(dialog->dialog);
 610         g_free(dialog);
 611 }
 612
 613 static void send_cancel(GtkWidget *widget, gpointer data)
 614 {
 615         SendProgressDialog *dialog = data;
 616
 617         dialog->cancelled = TRUE;
 618 }