src/send_message.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
   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 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include "defs.h"
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <signal.h>
  33 #include <sys/types.h>
  34 #ifndef G_OS_WIN32
  35 #include <sys/wait.h>
  36 #endif
  37
  38 #include "send_message.h"
  39 #include "session.h"
  40 #include "ssl.h"
  41 #include "smtp.h"
  42 #include "prefs_common.h"
  43 #include "prefs_account.h"
  44 #include "procheader.h"
  45 #include "account.h"
  46 #include "progressdialog.h"
  47 #include "statusbar.h"
  48 #include "inputdialog.h"
  49 #include "alertpanel.h"
  50 #include "manage_window.h"
  51 #include "logwindow.h"
  52 #include "socket.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "inc.h"
  56 #include "log.h"
  57 #include "passwordstore.h"
  58
  59 typedef struct _SendProgressDialog      SendProgressDialog;
  60
  61 struct _SendProgressDialog
  62 {
  63         ProgressDialog *dialog;
  64         Session *session;
  65         gboolean cancelled;
  66 };
  67
  68 static SendProgressDialog *send_dialog = NULL;
  69
  70 static gint send_recv_message           (Session                *session,
  71                                          const gchar            *msg,
  72                                          gpointer                data);
  73 static gint send_send_data_progressive  (Session                *session,
  74                                          guint                   cur_len,
  75                                          guint                   total_len,
  76                                          gpointer                data);
  77 static gint send_send_data_finished     (Session                *session,
  78                                          guint                   len,
  79                                          gpointer                data);
  80
  81 static SendProgressDialog *send_progress_dialog_create(void);
  82 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  83
  84 static void send_showlog_button_cb      (GtkWidget      *widget,
  85                                          gpointer        data);
  86 static void send_cancel_button_cb       (GtkWidget      *widget,
  87                                          gpointer        data);
  88
  89 static void send_put_error              (Session        *session);
  90
  91
  92 void send_cancel(void)
  93 {
  94         if (send_dialog)
  95                 send_cancel_button_cb(NULL, send_dialog);
  96 }
  97
  98 gboolean send_is_active(void)
  99 {
 100         return (send_dialog != NULL);
 101 }
 102
 103 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
 104 {
 105         FILE *fp;
 106         gint val;
 107
 108         cm_return_val_if_fail(file != NULL, -1);
 109         cm_return_val_if_fail(ac_prefs != NULL, -1);
 110         cm_return_val_if_fail(to_list != NULL, -1);
 111
 112         if ((fp = g_fopen(file, "rb")) == NULL) {
 113                 FILE_OP_ERROR(file, "fopen");
 114                 return -1;
 115         }
 116
 117         inc_lock();
 118         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 119             (*ac_prefs->mail_command)) {
 120                 val = send_message_local(ac_prefs->mail_command, fp);
 121                 fclose(fp);
 122                 inc_unlock();
 123                 return val;
 124         } else {
 125                 val = send_message_smtp(ac_prefs, to_list, fp);
 126
 127                 fclose(fp);
 128                 inc_unlock();
 129                 return val;
 130         }
 131 }
 132
 133 enum
 134 {
 135         Q_SENDER     = 0,
 136         Q_SMTPSERVER = 1,
 137         Q_RECIPIENTS = 2,
 138         Q_ACCOUNT_ID = 3
 139 };
 140
 141 gint send_message_local(const gchar *command, FILE *fp)
 142 {
 143         gchar **argv;
 144         GPid pid;
 145         gint child_stdin;
 146         gchar buf[BUFFSIZE];
 147         gboolean err = FALSE;
 148
 149         cm_return_val_if_fail(command != NULL, -1);
 150         cm_return_val_if_fail(fp != NULL, -1);
 151
 152         log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
 153
 154         argv = strsplit_with_quote(command, " ", 0);
 155
 156         if (g_spawn_async_with_pipes(NULL, argv, NULL,
 157 #ifdef G_OS_WIN32
 158                                      0,
 159 #else
 160                                      G_SPAWN_DO_NOT_REAP_CHILD,
 161 #endif
 162                                      NULL, NULL,
 163                                      &pid, &child_stdin, NULL, NULL,
 164                                      NULL) == FALSE) {
 165                 g_snprintf(buf, sizeof(buf),
 166                            _("Couldn't execute command: %s"), command);
 167                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 168                 alertpanel_error("%s", buf);
 169                 g_strfreev(argv);
 170                 return -1;
 171         }
 172         g_strfreev(argv);
 173
 174         while (fgets(buf, sizeof(buf), fp) != NULL) {
 175                 strretchomp(buf);
 176                 if (buf[0] == '.' && buf[1] == '\0') {
 177                         if (fd_write_all(child_stdin, ".", 1) < 0) {
 178                                 err = TRUE;
 179                                 break;
 180                         }
 181                 }
 182                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
 183                     fd_write_all(child_stdin, "\n", 1) < 0) {
 184                         err = TRUE;
 185                         break;
 186                 }
 187         }
 188
 189         fd_close(child_stdin);
 190
 191 #ifndef G_OS_WIN32
 192         gint status;
 193         waitpid(pid, &status, 0);
 194         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 195                 err = TRUE;
 196 #endif
 197
 198         g_spawn_close_pid(pid);
 199
 200         if (err) {
 201                 g_snprintf(buf, sizeof(buf),
 202                            _("Error occurred while executing command: %s"),
 203                            command);
 204                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 205                 alertpanel_error("%s", buf);
 206                 return -1;
 207         }
 208
 209         return 0;
 210 }
 211
 212 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 213 {
 214         Session *session;
 215         SMTPSession *smtp_session;
 216         gushort port = 0;
 217         gchar buf[BUFFSIZE];
 218         gint ret = 0;
 219         gboolean was_inited = FALSE;
 220         MsgInfo *tmp_msginfo = NULL;
 221         MsgFlags flags = {0, 0};
 222         long fp_pos = 0;
 223         gchar spec_from[BUFFSIZE];
 224
 225         cm_return_val_if_fail(ac_prefs != NULL, -1);
 226         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
 227         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 228         cm_return_val_if_fail(to_list != NULL, -1);
 229         cm_return_val_if_fail(fp != NULL, -1);
 230
 231         /* get the From address used, not necessarily the ac_prefs',
 232          * because it's editable. */
 233
 234         fp_pos = ftell(fp);
 235         if (fp_pos < 0) {
 236                 perror("ftell");
 237                 return -1;
 238         }
 239         tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
 240         if (fseek(fp, fp_pos, SEEK_SET) < 0) {
 241                 perror("fseek");
 242                 return -1;
 243         }
 244
 245         if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
 246                 strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
 247                 extract_address(spec_from);
 248         } else if (tmp_msginfo && tmp_msginfo->from) {
 249                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
 250                 extract_address(spec_from);
 251         } else {
 252                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
 253         }
 254         if (tmp_msginfo) {
 255                 procmsg_msginfo_free(&tmp_msginfo);
 256         }
 257
 258         if (!ac_prefs->session) {
 259                 /* we can't reuse a previously initialised session */
 260                 session = smtp_session_new(ac_prefs);
 261                 session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
 262
 263                 smtp_session = SMTP_SESSION(session);
 264
 265                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 266                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 267                 } else {
 268                         smtp_session->hostname = NULL;
 269                 }
 270
 271 #ifdef USE_GNUTLS
 272                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 273                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 274                 session->ssl_type = ac_prefs->ssl_smtp;
 275                 if (ac_prefs->ssl_smtp != SSL_NONE)
 276                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 277                 if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
 278                     strlen(ac_prefs->gnutls_priority))
 279                         session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
 280 #else
 281                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 282                         if (alertpanel_full(_("Insecure connection"),
 283                                 _("This connection is configured to be secured "
 284                                   "using SSL/TLS, but SSL/TLS is not available "
 285                                   "in this build of Claws Mail. \n\n"
 286                                   "Do you want to continue connecting to this "
 287                                   "server? The communication would not be "
 288                                   "secure."),
 289                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 290                                   NULL, FALSE, NULL, ALERT_WARNING,
 291                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 292                                 session_destroy(session);
 293                                 return -1;
 294                         }
 295                 }
 296                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 297 #endif
 298
 299                 if (ac_prefs->use_smtp_auth) {
 300                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 301                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 302                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 303                                 if (password_get(smtp_session->user,
 304                                                         ac_prefs->smtp_server, "smtp", port,
 305                                                         &(smtp_session->pass))) {
 306                                         /* NOP */;
 307                                 } else if ((smtp_session->pass =
 308                                                 passwd_store_get_account(ac_prefs->account_id,
 309                                                                 PWS_ACCOUNT_SEND)) == NULL) {
 310                                         smtp_session->pass =
 311                                                 input_dialog_query_password_keep
 312                                                         (ac_prefs->smtp_server,
 313                                                          smtp_session->user,
 314                                                          &(ac_prefs->session_smtp_passwd));
 315                                         if (!smtp_session->pass) {
 316                                                 session_destroy(session);
 317                                                 return -1;
 318                                         }
 319                                 }
 320                         } else {
 321                                 smtp_session->user = g_strdup(ac_prefs->userid);
 322                                 if (password_get(smtp_session->user,
 323                                                         ac_prefs->smtp_server, "smtp", port,
 324                                                         &(smtp_session->pass))) {
 325                                         /* NOP */;
 326                                 } else if ((smtp_session->pass = passwd_store_get_account(
 327                                                         ac_prefs->account_id, PWS_ACCOUNT_RECV)) == NULL) {
 328                                         smtp_session->pass =
 329                                                 input_dialog_query_password_keep
 330                                                         (ac_prefs->smtp_server,
 331                                                          smtp_session->user,
 332                                                          &(ac_prefs->session_smtp_passwd));
 333                                         if (!smtp_session->pass) {
 334                                                 session_destroy(session);
 335                                                 return -1;
 336                                         }
 337                                 }
 338                         }
 339                 } else {
 340                         smtp_session->user = NULL;
 341                         smtp_session->pass = NULL;
 342                 }
 343
 344                 send_dialog = send_progress_dialog_create();
 345                 send_dialog->session = session;
 346                 smtp_session->dialog = send_dialog;
 347
 348                 progress_dialog_list_set(send_dialog->dialog, 0, NULL,
 349                                          ac_prefs->smtp_server,
 350                                          _("Connecting"));
 351
 352                 if (ac_prefs->pop_before_smtp
 353                     && (ac_prefs->protocol == A_POP3)
 354                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 355                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 356                         log_message(LOG_PROTOCOL, "%s\n", buf);
 357                         progress_dialog_set_label(send_dialog->dialog, buf);
 358                         progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
 359                         GTK_EVENTS_FLUSH();
 360                         inc_pop_before_smtp(ac_prefs);
 361                 }
 362
 363                 g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
 364                                 ac_prefs->account_name, ac_prefs->smtp_server, port);
 365                 progress_dialog_set_label(send_dialog->dialog, buf);
 366                 log_message(LOG_PROTOCOL, "%s\n", buf);
 367
 368                 session_set_recv_message_notify(session, send_recv_message, send_dialog);
 369                 session_set_send_data_progressive_notify
 370                         (session, send_send_data_progressive, send_dialog);
 371                 session_set_send_data_notify(session, send_send_data_finished, send_dialog);
 372
 373         } else {
 374                 /* everything is ready to start at MAIL FROM:, just
 375                  * reinit useful variables.
 376                  */
 377                 session = SESSION(ac_prefs->session);
 378                 ac_prefs->session = NULL;
 379                 smtp_session = SMTP_SESSION(session);
 380                 smtp_session->state = SMTP_HELO;
 381                 send_dialog = (SendProgressDialog *)smtp_session->dialog;
 382                 was_inited = TRUE;
 383         }
 384
 385         /* This has to be initialised for every mail sent */
 386         smtp_session->from = g_strdup(spec_from);
 387         smtp_session->to_list = to_list;
 388         smtp_session->cur_to = to_list;
 389         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
 390         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
 391
 392         session_set_timeout(session,
 393                             prefs_common.io_timeout_secs * 1000);
 394         /* connect if necessary */
 395         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 396                 session_destroy(session);
 397                 send_progress_dialog_destroy(send_dialog);
 398                 ac_prefs->session = NULL;
 399                 return -1;
 400         }
 401
 402         debug_print("send_message_smtp(): begin event loop\n");
 403
 404         if (was_inited) {
 405                 /* as the server is quiet, start sending ourselves */
 406                 smtp_from(smtp_session);
 407         }
 408
 409         while (session_is_running(session) && send_dialog->cancelled == FALSE
 410                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 411                 gtk_main_iteration();
 412
 413         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 414                 if (ac_prefs->session_smtp_passwd) {
 415                         g_free(ac_prefs->session_smtp_passwd);
 416                         ac_prefs->session_smtp_passwd = NULL;
 417                 }
 418                 ret = -1;
 419         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 420                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
 421                 ret = 0;
 422         } else if (session->state == SESSION_EOF &&
 423                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 424                 /* consider EOF right after QUIT successful */
 425                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
 426                 ret = 0;
 427         } else if (session->state == SESSION_ERROR ||
 428                    session->state == SESSION_EOF ||
 429                    session->state == SESSION_TIMEOUT ||
 430                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 431                    SMTP_SESSION(session)->error_val != SM_OK)
 432                 ret = -1;
 433         else if (send_dialog->cancelled == TRUE)
 434                 ret = -1;
 435
 436         if (ret == -1) {
 437                 manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
 438                 send_put_error(session);
 439                 manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
 440         }
 441
 442         /* if we should close the connection, let's do it.
 443          * Close it in case of error, too, as it helps reinitializing things
 444          * easier.
 445          */
 446         if (!keep_session || ret != 0) {
 447                 if (session_is_connected(session))
 448                         smtp_quit(smtp_session);
 449                 while (session_is_connected(session) && !send_dialog->cancelled)
 450                         gtk_main_iteration();
 451                 session_destroy(session);
 452                 ac_prefs->session = NULL;
 453                 send_progress_dialog_destroy(send_dialog);
 454         } else {
 455                 g_free(smtp_session->from);
 456                 g_free(smtp_session->send_data);
 457                 g_free(smtp_session->error_msg);
 458         }
 459         if (keep_session && ret == 0 && ac_prefs->session == NULL)
 460                 ac_prefs->session = SMTP_SESSION(session);
 461
 462
 463         statusbar_pop_all();
 464         statusbar_verbosity_set(FALSE);
 465         return ret;
 466 }
 467
 468 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 469 {
 470         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 471 }
 472
 473 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 474 {
 475         gchar buf[BUFFSIZE];
 476         SMTPSession *smtp_session = SMTP_SESSION(session);
 477         SendProgressDialog *dialog = (SendProgressDialog *)data;
 478         gchar *state_str = NULL;
 479
 480         cm_return_val_if_fail(dialog != NULL, -1);
 481
 482         switch (smtp_session->state) {
 483         case SMTP_READY:
 484                 return 0;
 485         case SMTP_HELO:
 486                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 487                 state_str = _("Authenticating");
 488                 statusbar_print_all(_("Sending message..."));
 489                 break;
 490         case SMTP_EHLO:
 491                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 492                 state_str = _("Authenticating");
 493                 statusbar_print_all(_("Sending message..."));
 494                 break;
 495         case SMTP_AUTH:
 496                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 497                 state_str = _("Authenticating");
 498                 break;
 499         case SMTP_FROM:
 500                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 501                 state_str = _("Sending");
 502                 break;
 503         case SMTP_RCPT:
 504                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 505                 state_str = _("Sending");
 506                 break;
 507         case SMTP_DATA:
 508         case SMTP_EOM:
 509                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 510                 state_str = _("Sending");
 511                 break;
 512         case SMTP_QUIT:
 513                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 514                 state_str = _("Quitting");
 515                 break;
 516         case SMTP_ERROR:
 517                 g_warning("send: error: %s", msg);
 518                 return 0;
 519         default:
 520                 return 0;
 521         }
 522
 523         progress_dialog_set_label(dialog->dialog, buf);
 524         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 525
 526         return 0;
 527 }
 528
 529 static gint send_send_data_progressive(Session *session, guint cur_len,
 530                                        guint total_len, gpointer data)
 531 {
 532         gchar buf[BUFFSIZE];
 533         SendProgressDialog *dialog = (SendProgressDialog *)data;
 534         MainWindow *mainwin = mainwindow_get_mainwindow();
 535
 536         cm_return_val_if_fail(dialog != NULL, -1);
 537
 538         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 539             SMTP_SESSION(session)->state != SMTP_EOM)
 540                 return 0;
 541
 542         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 543                    cur_len, total_len);
 544         progress_dialog_set_label(dialog->dialog, buf);
 545         progress_dialog_set_fraction
 546                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 547
 548         if (mainwin) {
 549                 if (!gtk_widget_get_visible(mainwin->progressbar))
 550                         gtk_widget_show(mainwin->progressbar);
 551                 gtk_progress_bar_set_fraction
 552                         (GTK_PROGRESS_BAR(mainwin->progressbar),
 553                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 554         }
 555
 556         return 0;
 557 }
 558
 559 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 560 {
 561         SendProgressDialog *dialog = (SendProgressDialog *)data;
 562         MainWindow *mainwin = mainwindow_get_mainwindow();
 563
 564         cm_return_val_if_fail(dialog != NULL, -1);
 565
 566         send_send_data_progressive(session, len, len, dialog);
 567         if (mainwin) {
 568                 gtk_widget_hide(mainwin->progressbar);
 569                 gtk_progress_bar_set_fraction
 570                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
 571         }
 572
 573         return 0;
 574 }
 575
 576 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
 577                                          GtkAllocation *allocation)
 578 {
 579         cm_return_if_fail(allocation != NULL);
 580
 581         prefs_common.sendwin_width = allocation->width;
 582         prefs_common.sendwin_height = allocation->height;
 583 }
 584
 585 static SendProgressDialog *send_progress_dialog_create(void)
 586 {
 587         SendProgressDialog *dialog;
 588         ProgressDialog *progress;
 589         static GdkGeometry geometry;
 590
 591         dialog = g_new0(SendProgressDialog, 1);
 592
 593         progress = progress_dialog_create();
 594         gtk_window_set_title(GTK_WINDOW(progress->window),
 595                              _("Sending message"));
 596         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 597                          G_CALLBACK(send_showlog_button_cb), dialog);
 598         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 599                          G_CALLBACK(send_cancel_button_cb), dialog);
 600         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 601                          G_CALLBACK(gtk_true), NULL);
 602         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 603         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 604                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
 605         manage_window_set_transient(GTK_WINDOW(progress->window));
 606
 607         progress_dialog_get_fraction(progress);
 608
 609         if (!geometry.min_height) {
 610                 geometry.min_width = 460;
 611                 geometry.min_height = 250;
 612         }
 613
 614         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 615                                       GDK_HINT_MIN_SIZE);
 616         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
 617                                     prefs_common.sendwin_height);
 618
 619         if (!prefs_common.send_dialog_invisible) {
 620                 gtk_widget_show_now(progress->window);
 621         }
 622
 623         dialog->dialog = progress;
 624
 625         return dialog;
 626 }
 627
 628 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 629 {
 630         cm_return_if_fail(dialog != NULL);
 631         if (!prefs_common.send_dialog_invisible) {
 632                 progress_dialog_destroy(dialog->dialog);
 633         }
 634         g_free(dialog);
 635         send_dialog = NULL;
 636 }
 637
 638 static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
 639 {
 640         MainWindow *mainwin = mainwindow_get_mainwindow();
 641
 642         log_window_show(mainwin->logwin);
 643 }
 644
 645 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 646 {
 647         SendProgressDialog *dialog = (SendProgressDialog *)data;
 648         statusbar_progress_all(0,0,0);
 649
 650         dialog->cancelled = TRUE;
 651 }
 652
 653 static void send_put_error(Session *session)
 654 {
 655         gchar *msg;
 656         gchar *log_msg = NULL;
 657         gchar *err_msg = NULL;
 658
 659         msg = SMTP_SESSION(session)->error_msg;
 660
 661         switch (SMTP_SESSION(session)->error_val) {
 662         case SM_ERROR:
 663         case SM_UNRECOVERABLE:
 664                 log_msg = _("Error occurred while sending the message.");
 665                 if (msg)
 666                         err_msg = g_strdup_printf
 667                                 (_("Error occurred while sending the message:\n%s"),
 668                                  msg);
 669                 else
 670                         err_msg = g_strdup(log_msg);
 671                 break;
 672         case SM_AUTHFAIL:
 673                 log_msg = _("Authentication failed.");
 674                 if (msg)
 675                         err_msg = g_strdup_printf
 676                                 (_("Authentication failed:\n%s"), msg);
 677                 else
 678                         err_msg = g_strdup(log_msg);
 679                 break;
 680         default:
 681                 switch (session->state) {
 682                 case SESSION_ERROR:
 683                         log_msg =
 684                                 _("Error occurred while sending the message.");
 685                         err_msg = g_strdup(log_msg);
 686                         break;
 687                 case SESSION_EOF:
 688                         log_msg = _("Connection closed by the remote host.");
 689                         err_msg = g_strdup(log_msg);
 690                         break;
 691                 case SESSION_TIMEOUT:
 692                         log_msg = _("Session timed out. You may be able to "
 693                                     "recover by increasing the timeout value in "
 694                                     "Preferences/Other/Miscellaneous.");
 695                         err_msg = g_strdup(log_msg);
 696                         break;
 697                 default:
 698                         break;
 699                 }
 700                 break;
 701         }
 702
 703         if (err_msg) {
 704                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
 705                 g_free(err_msg);
 706         } else {
 707                 if (log_msg)
 708                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
 709         }
 710 }
 711