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
  58 typedef struct _SendProgressDialog      SendProgressDialog;
  59
  60 struct _SendProgressDialog
  61 {
  62         ProgressDialog *dialog;
  63         Session *session;
  64         gboolean cancelled;
  65 };
  66
  67 static SendProgressDialog *send_dialog = NULL;
  68
  69 static gint send_recv_message           (Session                *session,
  70                                          const gchar            *msg,
  71                                          gpointer                data);
  72 static gint send_send_data_progressive  (Session                *session,
  73                                          guint                   cur_len,
  74                                          guint                   total_len,
  75                                          gpointer                data);
  76 static gint send_send_data_finished     (Session                *session,
  77                                          guint                   len,
  78                                          gpointer                data);
  79
  80 static SendProgressDialog *send_progress_dialog_create(void);
  81 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  82
  83 static void send_showlog_button_cb      (GtkWidget      *widget,
  84                                          gpointer        data);
  85 static void send_cancel_button_cb       (GtkWidget      *widget,
  86                                          gpointer        data);
  87
  88 static void send_put_error              (Session        *session);
  89
  90
  91 void send_cancel(void)
  92 {
  93         if (send_dialog)
  94                 send_cancel_button_cb(NULL, send_dialog);
  95 }
  96
  97 gboolean send_is_active(void)
  98 {
  99         return (send_dialog != NULL);
 100 }
 101
 102 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
 103 {
 104         FILE *fp;
 105         gint val;
 106
 107         cm_return_val_if_fail(file != NULL, -1);
 108         cm_return_val_if_fail(ac_prefs != NULL, -1);
 109         cm_return_val_if_fail(to_list != NULL, -1);
 110
 111         if ((fp = g_fopen(file, "rb")) == NULL) {
 112                 FILE_OP_ERROR(file, "fopen");
 113                 return -1;
 114         }
 115
 116         inc_lock();
 117         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 118             (*ac_prefs->mail_command)) {
 119                 val = send_message_local(ac_prefs->mail_command, fp);
 120                 fclose(fp);
 121                 inc_unlock();
 122                 return val;
 123         } else {
 124                 val = send_message_smtp(ac_prefs, to_list, fp);
 125
 126                 fclose(fp);
 127                 inc_unlock();
 128                 return val;
 129         }
 130 }
 131
 132 enum
 133 {
 134         Q_SENDER     = 0,
 135         Q_SMTPSERVER = 1,
 136         Q_RECIPIENTS = 2,
 137         Q_ACCOUNT_ID = 3
 138 };
 139
 140 gint send_message_local(const gchar *command, FILE *fp)
 141 {
 142         gchar **argv;
 143         GPid pid;
 144         gint child_stdin;
 145         gchar buf[BUFFSIZE];
 146         gboolean err = FALSE;
 147         gint status;
 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         waitpid(pid, &status, 0);
 193         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 194                 err = TRUE;
 195 #endif
 196
 197         g_spawn_close_pid(pid);
 198
 199         if (err) {
 200                 g_snprintf(buf, sizeof(buf),
 201                            _("Error occurred while executing command: %s"),
 202                            command);
 203                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 204                 alertpanel_error("%s", buf);
 205                 return -1;
 206         }
 207
 208         return 0;
 209 }
 210
 211 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 212 {
 213         Session *session;
 214         SMTPSession *smtp_session;
 215         gushort port = 0;
 216         gchar buf[BUFFSIZE];
 217         gint ret = 0;
 218         gboolean was_inited = FALSE;
 219         MsgInfo *tmp_msginfo = NULL;
 220         MsgFlags flags = {0, 0};
 221         long fp_pos = 0;
 222         gchar spec_from[BUFFSIZE];
 223
 224         cm_return_val_if_fail(ac_prefs != NULL, -1);
 225         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
 226         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 227         cm_return_val_if_fail(to_list != NULL, -1);
 228         cm_return_val_if_fail(fp != NULL, -1);
 229
 230         /* get the From address used, not necessarily the ac_prefs',
 231          * because it's editable. */
 232
 233         fp_pos = ftell(fp);
 234         if (fp_pos < 0) {
 235                 perror("ftell");
 236                 return -1;
 237         }
 238         tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
 239         if (fseek(fp, fp_pos, SEEK_SET) < 0) {
 240                 perror("fseek");
 241                 return -1;
 242         }
 243
 244         if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
 245                 strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
 246                 extract_address(spec_from);
 247         } else if (tmp_msginfo && tmp_msginfo->from) {
 248                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
 249                 extract_address(spec_from);
 250         } else {
 251                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
 252         }
 253         if (tmp_msginfo) {
 254                 procmsg_msginfo_free(tmp_msginfo);
 255         }
 256
 257         if (!ac_prefs->session) {
 258                 /* we can't reuse a previously initialised session */
 259                 session = smtp_session_new(ac_prefs);
 260                 session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
 261
 262                 smtp_session = SMTP_SESSION(session);
 263
 264                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 265                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 266                 } else {
 267                         smtp_session->hostname = NULL;
 268                 }
 269
 270 #ifdef USE_GNUTLS
 271                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 272                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 273                 session->ssl_type = ac_prefs->ssl_smtp;
 274                 if (ac_prefs->ssl_smtp != SSL_NONE)
 275                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 276                 if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
 277                     strlen(ac_prefs->gnutls_priority))
 278                         session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
 279 #else
 280                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 281                         if (alertpanel_full(_("Insecure connection"),
 282                                 _("This connection is configured to be secured "
 283                                   "using SSL, but SSL is not available in this "
 284                                   "build of Claws Mail. \n\n"
 285                                   "Do you want to continue connecting to this "
 286                                   "server? The communication would not be "
 287                                   "secure."),
 288                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 289                                   NULL, FALSE, NULL, ALERT_WARNING,
 290                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 291                                 session_destroy(session);
 292                                 return -1;
 293                         }
 294                 }
 295                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 296 #endif
 297
 298                 if (ac_prefs->use_smtp_auth) {
 299                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 300                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 301                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 302                                 if (password_get(smtp_session->user,
 303                                                         ac_prefs->smtp_server, "smtp", port,
 304                                                         &(smtp_session->pass))) {
 305                                         /* NOP */;
 306                                 } else if (ac_prefs->smtp_passwd)
 307                                         smtp_session->pass =
 308                                                 g_strdup(ac_prefs->smtp_passwd);
 309                                 else {
 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 (ac_prefs->passwd)
 327                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
 328                                 else {
 329                                         smtp_session->pass =
 330                                                 input_dialog_query_password_keep
 331                                                         (ac_prefs->smtp_server,
 332                                                          smtp_session->user,
 333                                                          &(ac_prefs->session_smtp_passwd));
 334                                         if (!smtp_session->pass) {
 335                                                 session_destroy(session);
 336                                                 return -1;
 337                                         }
 338                                 }
 339                         }
 340                 } else {
 341                         smtp_session->user = NULL;
 342                         smtp_session->pass = NULL;
 343                 }
 344
 345                 send_dialog = send_progress_dialog_create();
 346                 send_dialog->session = session;
 347                 smtp_session->dialog = send_dialog;
 348
 349                 progress_dialog_list_set(send_dialog->dialog, 0, NULL,
 350                                          ac_prefs->smtp_server,
 351                                          _("Connecting"));
 352
 353                 if (ac_prefs->pop_before_smtp
 354                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
 355                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 356                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 357                         log_message(LOG_PROTOCOL, "%s\n", buf);
 358                         progress_dialog_set_label(send_dialog->dialog, buf);
 359                         progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
 360                         GTK_EVENTS_FLUSH();
 361                         inc_pop_before_smtp(ac_prefs);
 362                 }
 363
 364                 g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
 365                                 ac_prefs->account_name, ac_prefs->smtp_server, port);
 366                 progress_dialog_set_label(send_dialog->dialog, buf);
 367                 log_message(LOG_PROTOCOL, "%s\n", buf);
 368
 369                 session_set_recv_message_notify(session, send_recv_message, send_dialog);
 370                 session_set_send_data_progressive_notify
 371                         (session, send_send_data_progressive, send_dialog);
 372                 session_set_send_data_notify(session, send_send_data_finished, send_dialog);
 373
 374         } else {
 375                 /* everything is ready to start at MAIL FROM:, just
 376                  * reinit useful variables.
 377                  */
 378                 session = SESSION(ac_prefs->session);
 379                 ac_prefs->session = NULL;
 380                 smtp_session = SMTP_SESSION(session);
 381                 smtp_session->state = SMTP_HELO;
 382                 send_dialog = (SendProgressDialog *)smtp_session->dialog;
 383                 was_inited = TRUE;
 384         }
 385
 386         /* This has to be initialised for every mail sent */
 387         smtp_session->from = g_strdup(spec_from);
 388         smtp_session->to_list = to_list;
 389         smtp_session->cur_to = to_list;
 390         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
 391         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
 392
 393         session_set_timeout(session,
 394                             prefs_common.io_timeout_secs * 1000);
 395         /* connect if necessary */
 396         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 397                 session_destroy(session);
 398                 send_progress_dialog_destroy(send_dialog);
 399                 ac_prefs->session = NULL;
 400                 return -1;
 401         }
 402
 403         debug_print("send_message_smtp(): begin event loop\n");
 404
 405         if (was_inited) {
 406                 /* as the server is quiet, start sending ourselves */
 407                 smtp_from(smtp_session);
 408         }
 409
 410         while (session_is_running(session) && send_dialog->cancelled == FALSE
 411                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 412                 gtk_main_iteration();
 413
 414         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 415                 if (ac_prefs->session_smtp_passwd) {
 416                         g_free(ac_prefs->session_smtp_passwd);
 417                         ac_prefs->session_smtp_passwd = NULL;
 418                 }
 419                 ret = -1;
 420         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 421                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
 422                 ret = 0;
 423         } else if (session->state == SESSION_EOF &&
 424                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 425                 /* consider EOF right after QUIT successful */
 426                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
 427                 ret = 0;
 428         } else if (session->state == SESSION_ERROR ||
 429                    session->state == SESSION_EOF ||
 430                    session->state == SESSION_TIMEOUT ||
 431                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 432                    SMTP_SESSION(session)->error_val != SM_OK)
 433                 ret = -1;
 434         else if (send_dialog->cancelled == TRUE)
 435                 ret = -1;
 436
 437         if (ret == -1) {
 438                 manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
 439                 send_put_error(session);
 440                 manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
 441         }
 442
 443         /* if we should close the connection, let's do it.
 444          * Close it in case of error, too, as it helps reinitializing things
 445          * easier.
 446          */
 447         if (!keep_session || ret != 0) {
 448                 if (session_is_connected(session))
 449                         smtp_quit(smtp_session);
 450                 while (session_is_connected(session) && !send_dialog->cancelled)
 451                         gtk_main_iteration();
 452                 session_destroy(session);
 453                 ac_prefs->session = NULL;
 454                 send_progress_dialog_destroy(send_dialog);
 455         } else {
 456                 g_free(smtp_session->from);
 457                 g_free(smtp_session->send_data);
 458                 g_free(smtp_session->error_msg);
 459         }
 460         if (keep_session && ret == 0 && ac_prefs->session == NULL)
 461                 ac_prefs->session = SMTP_SESSION(session);
 462
 463
 464         statuswindow_pop_all();
 465         statusbar_verbosity_set(FALSE);
 466         return ret;
 467 }
 468
 469 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 470 {
 471         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 472 }
 473
 474 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 475 {
 476         gchar buf[BUFFSIZE];
 477         SMTPSession *smtp_session = SMTP_SESSION(session);
 478         SendProgressDialog *dialog = (SendProgressDialog *)data;
 479         gchar *state_str = NULL;
 480
 481         cm_return_val_if_fail(dialog != NULL, -1);
 482
 483         switch (smtp_session->state) {
 484         case SMTP_READY:
 485                 return 0;
 486         case SMTP_HELO:
 487                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 488                 state_str = _("Authenticating");
 489                 statuswindow_print_all(_("Sending message..."));
 490                 break;
 491         case SMTP_EHLO:
 492                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 493                 state_str = _("Authenticating");
 494                 statuswindow_print_all(_("Sending message..."));
 495                 break;
 496         case SMTP_AUTH:
 497                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 498                 state_str = _("Authenticating");
 499                 break;
 500         case SMTP_FROM:
 501                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 502                 state_str = _("Sending");
 503                 break;
 504         case SMTP_RCPT:
 505                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 506                 state_str = _("Sending");
 507                 break;
 508         case SMTP_DATA:
 509         case SMTP_EOM:
 510                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 511                 state_str = _("Sending");
 512                 break;
 513         case SMTP_QUIT:
 514                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 515                 state_str = _("Quitting");
 516                 break;
 517         case SMTP_ERROR:
 518                 g_warning("send: error: %s", msg);
 519                 return 0;
 520         default:
 521                 return 0;
 522         }
 523
 524         progress_dialog_set_label(dialog->dialog, buf);
 525         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 526
 527         return 0;
 528 }
 529
 530 static gint send_send_data_progressive(Session *session, guint cur_len,
 531                                        guint total_len, gpointer data)
 532 {
 533         gchar buf[BUFFSIZE];
 534         SendProgressDialog *dialog = (SendProgressDialog *)data;
 535         MainWindow *mainwin = mainwindow_get_mainwindow();
 536
 537         cm_return_val_if_fail(dialog != NULL, -1);
 538
 539         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 540             SMTP_SESSION(session)->state != SMTP_EOM)
 541                 return 0;
 542
 543         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 544                    cur_len, total_len);
 545         progress_dialog_set_label(dialog->dialog, buf);
 546         progress_dialog_set_fraction
 547                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 548
 549         if (mainwin) {
 550                 if (!gtk_widget_get_visible(mainwin->progressbar))
 551                         gtk_widget_show(mainwin->progressbar);
 552                 gtk_progress_bar_set_fraction
 553                         (GTK_PROGRESS_BAR(mainwin->progressbar),
 554                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 555         }
 556
 557         return 0;
 558 }
 559
 560 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 561 {
 562         SendProgressDialog *dialog = (SendProgressDialog *)data;
 563         MainWindow *mainwin = mainwindow_get_mainwindow();
 564
 565         cm_return_val_if_fail(dialog != NULL, -1);
 566
 567         send_send_data_progressive(session, len, len, dialog);
 568         if (mainwin) {
 569                 gtk_widget_hide(mainwin->progressbar);
 570                 gtk_progress_bar_set_fraction
 571                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
 572         }
 573
 574         return 0;
 575 }
 576
 577 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
 578                                          GtkAllocation *allocation)
 579 {
 580         cm_return_if_fail(allocation != NULL);
 581
 582         prefs_common.sendwin_width = allocation->width;
 583         prefs_common.sendwin_height = allocation->height;
 584 }
 585
 586 static SendProgressDialog *send_progress_dialog_create(void)
 587 {
 588         SendProgressDialog *dialog;
 589         ProgressDialog *progress;
 590         static GdkGeometry geometry;
 591
 592         dialog = g_new0(SendProgressDialog, 1);
 593
 594         progress = progress_dialog_create();
 595         gtk_window_set_title(GTK_WINDOW(progress->window),
 596                              _("Sending message"));
 597         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 598                          G_CALLBACK(send_showlog_button_cb), dialog);
 599         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 600                          G_CALLBACK(send_cancel_button_cb), dialog);
 601         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 602                          G_CALLBACK(gtk_true), NULL);
 603         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 604         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 605                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
 606         manage_window_set_transient(GTK_WINDOW(progress->window));
 607
 608         progress_dialog_get_fraction(progress);
 609
 610         if (!geometry.min_height) {
 611                 geometry.min_width = 460;
 612                 geometry.min_height = 250;
 613         }
 614
 615         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 616                                       GDK_HINT_MIN_SIZE);
 617         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
 618                                     prefs_common.sendwin_height);
 619
 620         if (!prefs_common.send_dialog_invisible) {
 621                 gtk_widget_show_now(progress->window);
 622         }
 623
 624         dialog->dialog = progress;
 625
 626         return dialog;
 627 }
 628
 629 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 630 {
 631         cm_return_if_fail(dialog != NULL);
 632         if (!prefs_common.send_dialog_invisible) {
 633                 progress_dialog_destroy(dialog->dialog);
 634         }
 635         g_free(dialog);
 636         send_dialog = NULL;
 637 }
 638
 639 static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
 640 {
 641         MainWindow *mainwin = mainwindow_get_mainwindow();
 642
 643         log_window_show(mainwin->logwin);
 644 }
 645
 646 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 647 {
 648         SendProgressDialog *dialog = (SendProgressDialog *)data;
 649         statusbar_progress_all(0,0,0);
 650
 651         dialog->cancelled = TRUE;
 652 }
 653
 654 static void send_put_error(Session *session)
 655 {
 656         gchar *msg;
 657         gchar *log_msg = NULL;
 658         gchar *err_msg = NULL;
 659
 660         msg = SMTP_SESSION(session)->error_msg;
 661
 662         switch (SMTP_SESSION(session)->error_val) {
 663         case SM_ERROR:
 664         case SM_UNRECOVERABLE:
 665                 log_msg = _("Error occurred while sending the message.");
 666                 if (msg)
 667                         err_msg = g_strdup_printf
 668                                 (_("Error occurred while sending the message:\n%s"),
 669                                  msg);
 670                 else
 671                         err_msg = g_strdup(log_msg);
 672                 break;
 673         case SM_AUTHFAIL:
 674                 log_msg = _("Authentication failed.");
 675                 if (msg)
 676                         err_msg = g_strdup_printf
 677                                 (_("Authentication failed:\n%s"), msg);
 678                 else
 679                         err_msg = g_strdup(log_msg);
 680                 break;
 681         default:
 682                 switch (session->state) {
 683                 case SESSION_ERROR:
 684                         log_msg =
 685                                 _("Error occurred while sending the message.");
 686                         err_msg = g_strdup(log_msg);
 687                         break;
 688                 case SESSION_EOF:
 689                         log_msg = _("Connection closed by the remote host.");
 690                         err_msg = g_strdup(log_msg);
 691                         break;
 692                 case SESSION_TIMEOUT:
 693                         log_msg = _("Session timed out. You may be able to "
 694                                     "recover by increasing the timeout value in "
 695                                     "Preferences/Other/Miscellaneous.");
 696                         err_msg = g_strdup(log_msg);
 697                         break;
 698                 default:
 699                         break;
 700                 }
 701                 break;
 702         }
 703
 704         if (err_msg) {
 705                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
 706                 g_free(err_msg);
 707         } else {
 708                 if (log_msg)
 709                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
 710         }
 711 }
 712