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