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