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 "proxy.h"
  53 #include "socket.h"
  54 #include "utils.h"
  55 #include "gtkutils.h"
  56 #include "inc.h"
  57 #include "log.h"
  58 #include "passwordstore.h"
  59 #include "file-utils.h"
  60
  61 typedef struct _SendProgressDialog      SendProgressDialog;
  62
  63 struct _SendProgressDialog
  64 {
  65         ProgressDialog *dialog;
  66         Session *session;
  67         gboolean cancelled;
  68 };
  69
  70 static SendProgressDialog *send_dialog = NULL;
  71
  72 static gint send_recv_message           (Session                *session,
  73                                          const gchar            *msg,
  74                                          gpointer                data);
  75 static gint send_send_data_progressive  (Session                *session,
  76                                          guint                   cur_len,
  77                                          guint                   total_len,
  78                                          gpointer                data);
  79 static gint send_send_data_finished     (Session                *session,
  80                                          guint                   len,
  81                                          gpointer                data);
  82
  83 static SendProgressDialog *send_progress_dialog_create(void);
  84 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  85
  86 static void send_showlog_button_cb      (GtkWidget      *widget,
  87                                          gpointer        data);
  88 static void send_cancel_button_cb       (GtkWidget      *widget,
  89                                          gpointer        data);
  90
  91 static void send_put_error              (Session        *session);
  92
  93
  94 void send_cancel(void)
  95 {
  96         if (send_dialog)
  97                 send_cancel_button_cb(NULL, send_dialog);
  98 }
  99
 100 gboolean send_is_active(void)
 101 {
 102         return (send_dialog != NULL);
 103 }
 104
 105 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
 106 {
 107         FILE *fp;
 108         gint val;
 109
 110         cm_return_val_if_fail(file != NULL, -1);
 111         cm_return_val_if_fail(ac_prefs != NULL, -1);
 112         cm_return_val_if_fail(to_list != NULL, -1);
 113
 114         if ((fp = claws_fopen(file, "rb")) == NULL) {
 115                 FILE_OP_ERROR(file, "claws_fopen");
 116                 return -1;
 117         }
 118
 119         inc_lock();
 120         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 121             (*ac_prefs->mail_command)) {
 122                 val = send_message_local(ac_prefs->mail_command, fp);
 123                 claws_fclose(fp);
 124                 inc_unlock();
 125                 return val;
 126         } else {
 127                 val = send_message_smtp(ac_prefs, to_list, fp);
 128
 129                 claws_fclose(fp);
 130                 inc_unlock();
 131                 return val;
 132         }
 133 }
 134
 135 enum
 136 {
 137         Q_SENDER     = 0,
 138         Q_SMTPSERVER = 1,
 139         Q_RECIPIENTS = 2,
 140         Q_ACCOUNT_ID = 3
 141 };
 142
 143 gint send_message_local(const gchar *command, FILE *fp)
 144 {
 145         gchar **argv;
 146         GPid pid;
 147         gint child_stdin;
 148         gchar buf[BUFFSIZE];
 149         gboolean err = FALSE;
 150
 151         cm_return_val_if_fail(command != NULL, -1);
 152         cm_return_val_if_fail(fp != NULL, -1);
 153
 154         log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
 155
 156         argv = strsplit_with_quote(command, " ", 0);
 157
 158         if (g_spawn_async_with_pipes(NULL, argv, NULL,
 159 #ifdef G_OS_WIN32
 160                                      0,
 161 #else
 162                                      G_SPAWN_DO_NOT_REAP_CHILD,
 163 #endif
 164                                      NULL, NULL,
 165                                      &pid, &child_stdin, NULL, NULL,
 166                                      NULL) == FALSE) {
 167                 g_snprintf(buf, sizeof(buf),
 168                            _("Couldn't execute command: %s"), command);
 169                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 170                 alertpanel_error("%s", buf);
 171                 g_strfreev(argv);
 172                 return -1;
 173         }
 174         g_strfreev(argv);
 175
 176         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 177                 strretchomp(buf);
 178                 if (buf[0] == '.' && buf[1] == '\0') {
 179                         if (fd_write_all(child_stdin, ".", 1) < 0) {
 180                                 err = TRUE;
 181                                 break;
 182                         }
 183                 }
 184                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
 185                     fd_write_all(child_stdin, "\n", 1) < 0) {
 186                         err = TRUE;
 187                         break;
 188                 }
 189         }
 190
 191         fd_close(child_stdin);
 192
 193 #ifndef G_OS_WIN32
 194         gint status;
 195         waitpid(pid, &status, 0);
 196         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 197                 err = TRUE;
 198 #endif
 199
 200         g_spawn_close_pid(pid);
 201
 202         if (err) {
 203                 g_snprintf(buf, sizeof(buf),
 204                            _("Error occurred while executing command: %s"),
 205                            command);
 206                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 207                 alertpanel_error("%s", buf);
 208                 return -1;
 209         }
 210
 211         return 0;
 212 }
 213
 214 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 215 {
 216         Session *session;
 217         SMTPSession *smtp_session;
 218         gushort port = 0;
 219         gchar buf[BUFFSIZE];
 220         gint ret = 0;
 221         gboolean was_inited = FALSE;
 222         MsgInfo *tmp_msginfo = NULL;
 223         MsgFlags flags = {0, 0};
 224         long fp_pos = 0;
 225         gchar spec_from[BUFFSIZE];
 226         ProxyInfo *proxy_info = NULL;
 227
 228         cm_return_val_if_fail(ac_prefs != NULL, -1);
 229         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
 230         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 231         cm_return_val_if_fail(to_list != NULL, -1);
 232         cm_return_val_if_fail(fp != NULL, -1);
 233
 234         /* get the From address used, not necessarily the ac_prefs',
 235          * because it's editable. */
 236
 237         fp_pos = ftell(fp);
 238         if (fp_pos < 0) {
 239                 perror("ftell");
 240                 return -1;
 241         }
 242         tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
 243         if (fseek(fp, fp_pos, SEEK_SET) < 0) {
 244                 perror("fseek");
 245                 return -1;
 246         }
 247
 248         if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
 249                 strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
 250                 extract_address(spec_from);
 251         } else if (tmp_msginfo && tmp_msginfo->from) {
 252                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
 253                 extract_address(spec_from);
 254         } else {
 255                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
 256         }
 257         if (tmp_msginfo) {
 258                 procmsg_msginfo_free(&tmp_msginfo);
 259         }
 260
 261         if (!ac_prefs->session) {
 262                 /* we can't reuse a previously initialised session */
 263                 session = smtp_session_new(ac_prefs);
 264                 session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
 265
 266                 smtp_session = SMTP_SESSION(session);
 267
 268                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 269                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 270                 } else {
 271                         smtp_session->hostname = NULL;
 272                 }
 273
 274 #ifdef USE_GNUTLS
 275                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 276                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 277                 session->ssl_type = ac_prefs->ssl_smtp;
 278                 if (ac_prefs->ssl_smtp != SSL_NONE)
 279                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 280                 if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
 281                     strlen(ac_prefs->gnutls_priority))
 282                         session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
 283 #else
 284                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 285                         if (alertpanel_full(_("Insecure connection"),
 286                                 _("This connection is configured to be secured "
 287                                   "using SSL/TLS, but SSL/TLS is not available "
 288                                   "in this build of Claws Mail. \n\n"
 289                                   "Do you want to continue connecting to this "
 290                                   "server? The communication would not be "
 291                                   "secure."),
 292                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 293                                   NULL, FALSE, NULL, ALERT_WARNING,
 294                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 295                                 session_destroy(session);
 296                                 return -1;
 297                         }
 298                 }
 299                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 300 #endif
 301
 302                 if (ac_prefs->use_smtp_auth) {
 303                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 304                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 305                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 306                                 if (password_get(smtp_session->user,
 307                                                         ac_prefs->smtp_server, "smtp", port,
 308                                                         &(smtp_session->pass))) {
 309                                         /* NOP */;
 310                                 } else if ((smtp_session->pass =
 311                                                 passwd_store_get_account(ac_prefs->account_id,
 312                                                                 PWS_ACCOUNT_SEND)) == NULL) {
 313                                         smtp_session->pass =
 314                                                 input_dialog_query_password_keep
 315                                                         (ac_prefs->smtp_server,
 316                                                          smtp_session->user,
 317                                                          &(ac_prefs->session_smtp_passwd));
 318                                         if (!smtp_session->pass) {
 319                                                 session_destroy(session);
 320                                                 return -1;
 321                                         }
 322                                 }
 323                         } else {
 324                                 smtp_session->user = g_strdup(ac_prefs->userid);
 325                                 if (password_get(smtp_session->user,
 326                                                         ac_prefs->smtp_server, "smtp", port,
 327                                                         &(smtp_session->pass))) {
 328                                         /* NOP */;
 329                                 } else if ((smtp_session->pass = passwd_store_get_account(
 330                                                         ac_prefs->account_id, PWS_ACCOUNT_RECV)) == NULL) {
 331                                         smtp_session->pass =
 332                                                 input_dialog_query_password_keep
 333                                                         (ac_prefs->smtp_server,
 334                                                          smtp_session->user,
 335                                                          &(ac_prefs->session_smtp_passwd));
 336                                         if (!smtp_session->pass) {
 337                                                 session_destroy(session);
 338                                                 return -1;
 339                                         }
 340                                 }
 341                         }
 342                 } else {
 343                         smtp_session->user = NULL;
 344                         smtp_session->pass = NULL;
 345                 }
 346
 347                 send_dialog = send_progress_dialog_create();
 348                 send_dialog->session = session;
 349                 smtp_session->dialog = send_dialog;
 350
 351                 progress_dialog_list_set(send_dialog->dialog, 0, NULL,
 352                                          ac_prefs->smtp_server,
 353                                          _("Connecting"));
 354
 355                 if (ac_prefs->pop_before_smtp
 356                     && (ac_prefs->protocol == A_POP3)
 357                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 358                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 359                         log_message(LOG_PROTOCOL, "%s\n", buf);
 360                         progress_dialog_set_label(send_dialog->dialog, buf);
 361                         progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
 362                         GTK_EVENTS_FLUSH();
 363                         inc_pop_before_smtp(ac_prefs);
 364                 }
 365
 366                 g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
 367                                 ac_prefs->account_name, ac_prefs->smtp_server, port);
 368                 progress_dialog_set_label(send_dialog->dialog, buf);
 369                 log_message(LOG_PROTOCOL, "%s\n", buf);
 370
 371                 session_set_recv_message_notify(session, send_recv_message, send_dialog);
 372                 session_set_send_data_progressive_notify
 373                         (session, send_send_data_progressive, send_dialog);
 374                 session_set_send_data_notify(session, send_send_data_finished, send_dialog);
 375
 376         } else {
 377                 /* everything is ready to start at MAIL FROM:, just
 378                  * reinit useful variables.
 379                  */
 380                 session = SESSION(ac_prefs->session);
 381                 ac_prefs->session = NULL;
 382                 smtp_session = SMTP_SESSION(session);
 383                 smtp_session->state = SMTP_HELO;
 384                 send_dialog = (SendProgressDialog *)smtp_session->dialog;
 385                 was_inited = TRUE;
 386         }
 387
 388         /* This has to be initialised for every mail sent */
 389         smtp_session->from = g_strdup(spec_from);
 390         smtp_session->to_list = to_list;
 391         smtp_session->cur_to = to_list;
 392         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
 393         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
 394
 395         if (ac_prefs->use_proxy && ac_prefs->use_proxy_for_send) {
 396                 if (ac_prefs->use_default_proxy) {
 397                         proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
 398                         if (proxy_info->use_proxy_auth)
 399                                 proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
 400                                                 PWS_CORE_PROXY_PASS);
 401                 } else {
 402                         proxy_info = (ProxyInfo *)&(ac_prefs->proxy_info);
 403                         if (proxy_info->use_proxy_auth)
 404                                 proxy_info->proxy_pass = passwd_store_get_account(ac_prefs->account_id,
 405                                                 PWS_ACCOUNT_PROXY_PASS);
 406                 }
 407         }
 408         SESSION(smtp_session)->proxy_info = proxy_info;
 409
 410         session_set_timeout(session,
 411                             prefs_common.io_timeout_secs * 1000);
 412         /* connect if necessary */
 413         if (!was_inited && session_connect(session, ac_prefs->smtp_server,
 414                                 port) < 0) {
 415                 session_destroy(session);
 416                 send_progress_dialog_destroy(send_dialog);
 417                 ac_prefs->session = NULL;
 418                 return -1;
 419         }
 420
 421         debug_print("send_message_smtp(): begin event loop\n");
 422
 423         if (was_inited) {
 424                 /* as the server is quiet, start sending ourselves */
 425                 smtp_from(smtp_session);
 426         }
 427
 428         while (session_is_running(session) && send_dialog->cancelled == FALSE
 429                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 430                 gtk_main_iteration();
 431
 432         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 433                 if (ac_prefs->session_smtp_passwd) {
 434                         g_free(ac_prefs->session_smtp_passwd);
 435                         ac_prefs->session_smtp_passwd = NULL;
 436                 }
 437                 ret = -1;
 438         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 439                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
 440                 ret = 0;
 441         } else if (session->state == SESSION_EOF &&
 442                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 443                 /* consider EOF right after QUIT successful */
 444                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
 445                 ret = 0;
 446         } else if (session->state == SESSION_ERROR ||
 447                    session->state == SESSION_EOF ||
 448                    session->state == SESSION_TIMEOUT ||
 449                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 450                    SMTP_SESSION(session)->error_val != SM_OK)
 451                 ret = -1;
 452         else if (send_dialog->cancelled == TRUE)
 453                 ret = -1;
 454
 455         if (ret == -1) {
 456                 manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
 457                 send_put_error(session);
 458                 manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
 459         }
 460
 461         /* if we should close the connection, let's do it.
 462          * Close it in case of error, too, as it helps reinitializing things
 463          * easier.
 464          */
 465         if (!keep_session || ret != 0) {
 466                 if (session_is_connected(session))
 467                         smtp_quit(smtp_session);
 468                 while (session_is_connected(session) && !send_dialog->cancelled)
 469                         gtk_main_iteration();
 470                 session_destroy(session);
 471                 ac_prefs->session = NULL;
 472                 send_progress_dialog_destroy(send_dialog);
 473         } else {
 474                 g_free(smtp_session->from);
 475                 g_free(smtp_session->send_data);
 476                 g_free(smtp_session->error_msg);
 477         }
 478         if (keep_session && ret == 0 && ac_prefs->session == NULL)
 479                 ac_prefs->session = SMTP_SESSION(session);
 480
 481
 482         statusbar_pop_all();
 483         statusbar_verbosity_set(FALSE);
 484         return ret;
 485 }
 486
 487 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 488 {
 489         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 490 }
 491
 492 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 493 {
 494         gchar buf[BUFFSIZE];
 495         SMTPSession *smtp_session = SMTP_SESSION(session);
 496         SendProgressDialog *dialog = (SendProgressDialog *)data;
 497         gchar *state_str = NULL;
 498
 499         cm_return_val_if_fail(dialog != NULL, -1);
 500
 501         switch (smtp_session->state) {
 502         case SMTP_READY:
 503                 return 0;
 504         case SMTP_HELO:
 505                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 506                 state_str = _("Authenticating");
 507                 statusbar_print_all(_("Sending message..."));
 508                 break;
 509         case SMTP_EHLO:
 510                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 511                 state_str = _("Authenticating");
 512                 statusbar_print_all(_("Sending message..."));
 513                 break;
 514         case SMTP_AUTH:
 515                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 516                 state_str = _("Authenticating");
 517                 break;
 518         case SMTP_FROM:
 519                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 520                 state_str = _("Sending");
 521                 break;
 522         case SMTP_RCPT:
 523                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 524                 state_str = _("Sending");
 525                 break;
 526         case SMTP_DATA:
 527         case SMTP_EOM:
 528                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 529                 state_str = _("Sending");
 530                 break;
 531         case SMTP_QUIT:
 532                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 533                 state_str = _("Quitting");
 534                 break;
 535         case SMTP_ERROR:
 536                 g_warning("send: error: %s", msg);
 537                 return 0;
 538         default:
 539                 return 0;
 540         }
 541
 542         progress_dialog_set_label(dialog->dialog, buf);
 543         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 544
 545         return 0;
 546 }
 547
 548 static gint send_send_data_progressive(Session *session, guint cur_len,
 549                                        guint total_len, gpointer data)
 550 {
 551         gchar buf[BUFFSIZE];
 552         SendProgressDialog *dialog = (SendProgressDialog *)data;
 553         MainWindow *mainwin = mainwindow_get_mainwindow();
 554
 555         cm_return_val_if_fail(dialog != NULL, -1);
 556
 557         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 558             SMTP_SESSION(session)->state != SMTP_EOM)
 559                 return 0;
 560
 561         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 562                    cur_len, total_len);
 563         progress_dialog_set_label(dialog->dialog, buf);
 564         progress_dialog_set_fraction
 565                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 566
 567         if (mainwin) {
 568                 if (!gtk_widget_get_visible(mainwin->progressbar))
 569                         gtk_widget_show(mainwin->progressbar);
 570                 gtk_progress_bar_set_fraction
 571                         (GTK_PROGRESS_BAR(mainwin->progressbar),
 572                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 573         }
 574
 575         return 0;
 576 }
 577
 578 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 579 {
 580         SendProgressDialog *dialog = (SendProgressDialog *)data;
 581         MainWindow *mainwin = mainwindow_get_mainwindow();
 582
 583         cm_return_val_if_fail(dialog != NULL, -1);
 584
 585         send_send_data_progressive(session, len, len, dialog);
 586         if (mainwin) {
 587                 gtk_widget_hide(mainwin->progressbar);
 588                 gtk_progress_bar_set_fraction
 589                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
 590         }
 591
 592         return 0;
 593 }
 594
 595 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
 596                                          GtkAllocation *allocation)
 597 {
 598         cm_return_if_fail(allocation != NULL);
 599
 600         prefs_common.sendwin_width = allocation->width;
 601         prefs_common.sendwin_height = allocation->height;
 602 }
 603
 604 static SendProgressDialog *send_progress_dialog_create(void)
 605 {
 606         SendProgressDialog *dialog;
 607         ProgressDialog *progress;
 608         static GdkGeometry geometry;
 609
 610         dialog = g_new0(SendProgressDialog, 1);
 611
 612         progress = progress_dialog_create();
 613         gtk_window_set_title(GTK_WINDOW(progress->window),
 614                              _("Sending message"));
 615         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 616                          G_CALLBACK(send_showlog_button_cb), dialog);
 617         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 618                          G_CALLBACK(send_cancel_button_cb), dialog);
 619         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 620                          G_CALLBACK(gtk_true), NULL);
 621         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 622         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 623                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
 624         manage_window_set_transient(GTK_WINDOW(progress->window));
 625
 626         progress_dialog_get_fraction(progress);
 627
 628         if (!geometry.min_height) {
 629                 geometry.min_width = 460;
 630                 geometry.min_height = 250;
 631         }
 632
 633         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 634                                       GDK_HINT_MIN_SIZE);
 635         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
 636                                     prefs_common.sendwin_height);
 637
 638         if (!prefs_common.send_dialog_invisible) {
 639                 gtk_widget_show_now(progress->window);
 640         }
 641
 642         dialog->dialog = progress;
 643
 644         return dialog;
 645 }
 646
 647 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 648 {
 649         cm_return_if_fail(dialog != NULL);
 650         if (!prefs_common.send_dialog_invisible) {
 651                 progress_dialog_destroy(dialog->dialog);
 652         }
 653         g_free(dialog);
 654         send_dialog = NULL;
 655 }
 656
 657 static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
 658 {
 659         MainWindow *mainwin = mainwindow_get_mainwindow();
 660
 661         log_window_show(mainwin->logwin);
 662 }
 663
 664 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 665 {
 666         SendProgressDialog *dialog = (SendProgressDialog *)data;
 667         statusbar_progress_all(0,0,0);
 668
 669         dialog->cancelled = TRUE;
 670 }
 671
 672 static void send_put_error(Session *session)
 673 {
 674         gchar *msg;
 675         gchar *log_msg = NULL;
 676         gchar *err_msg = NULL;
 677
 678         msg = SMTP_SESSION(session)->error_msg;
 679
 680         switch (SMTP_SESSION(session)->error_val) {
 681         case SM_ERROR:
 682         case SM_UNRECOVERABLE:
 683                 log_msg = _("Error occurred while sending the message.");
 684                 if (msg)
 685                         err_msg = g_strdup_printf
 686                                 (_("Error occurred while sending the message:\n%s"),
 687                                  msg);
 688                 else
 689                         err_msg = g_strdup(log_msg);
 690                 break;
 691         case SM_AUTHFAIL:
 692                 log_msg = _("Authentication failed.");
 693                 if (msg)
 694                         err_msg = g_strdup_printf
 695                                 (_("Authentication failed:\n%s"), msg);
 696                 else
 697                         err_msg = g_strdup(log_msg);
 698                 break;
 699         default:
 700                 switch (session->state) {
 701                 case SESSION_ERROR:
 702                         log_msg =
 703                                 _("Error occurred while sending the message.");
 704                         err_msg = g_strdup(log_msg);
 705                         break;
 706                 case SESSION_EOF:
 707                         log_msg = _("Connection closed by the remote host.");
 708                         err_msg = g_strdup(log_msg);
 709                         break;
 710                 case SESSION_TIMEOUT:
 711                         log_msg = _("Session timed out. You may be able to "
 712                                     "recover by increasing the timeout value in "
 713                                     "Preferences/Other/Miscellaneous.");
 714                         err_msg = g_strdup(log_msg);
 715                         break;
 716                 default:
 717                         break;
 718                 }
 719                 break;
 720         }
 721
 722         if (err_msg) {
 723                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
 724                 g_free(err_msg);
 725         } else {
 726                 if (log_msg)
 727                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
 728         }
 729 }
 730