src/send_message.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 the Claws Mail team and Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 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 #ifdef USE_OAUTH2
  61 #include "oauth2.h"
  62 #endif
  63
  64 typedef struct _SendProgressDialog      SendProgressDialog;
  65
  66 struct _SendProgressDialog
  67 {
  68         ProgressDialog *dialog;
  69         Session *session;
  70         gboolean cancelled;
  71 };
  72
  73 static SendProgressDialog *send_dialog = NULL;
  74
  75 static gint send_recv_message           (Session                *session,
  76                                          const gchar            *msg,
  77                                          gpointer                data);
  78 static gint send_send_data_progressive  (Session                *session,
  79                                          guint                   cur_len,
  80                                          guint                   total_len,
  81                                          gpointer                data);
  82 static gint send_send_data_finished     (Session                *session,
  83                                          guint                   len,
  84                                          gpointer                data);
  85
  86 static SendProgressDialog *send_progress_dialog_create(void);
  87 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  88
  89 static void send_showlog_button_cb      (GtkWidget      *widget,
  90                                          gpointer        data);
  91 static void send_cancel_button_cb       (GtkWidget      *widget,
  92                                          gpointer        data);
  93
  94 static void send_put_error              (Session        *session);
  95
  96
  97 void send_cancel(void)
  98 {
  99         if (send_dialog)
 100                 send_cancel_button_cb(NULL, send_dialog);
 101 }
 102
 103 gboolean send_is_active(void)
 104 {
 105         return (send_dialog != NULL);
 106 }
 107
 108 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
 109 {
 110         FILE *fp;
 111         gint val;
 112
 113         cm_return_val_if_fail(file != NULL, -1);
 114         cm_return_val_if_fail(ac_prefs != NULL, -1);
 115         cm_return_val_if_fail(to_list != NULL, -1);
 116
 117         if ((fp = claws_fopen(file, "rb")) == NULL) {
 118                 FILE_OP_ERROR(file, "claws_fopen");
 119                 return -1;
 120         }
 121
 122         inc_lock();
 123         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 124             (*ac_prefs->mail_command)) {
 125                 val = send_message_local(ac_prefs->mail_command, fp);
 126                 claws_fclose(fp);
 127                 inc_unlock();
 128                 return val;
 129         } else {
 130                 val = send_message_smtp(ac_prefs, to_list, fp);
 131
 132                 claws_fclose(fp);
 133                 inc_unlock();
 134                 return val;
 135         }
 136 }
 137
 138 enum
 139 {
 140         Q_SENDER     = 0,
 141         Q_SMTPSERVER = 1,
 142         Q_RECIPIENTS = 2,
 143         Q_ACCOUNT_ID = 3
 144 };
 145
 146 gint send_message_local(const gchar *command, FILE *fp)
 147 {
 148         gchar **argv;
 149         GPid pid;
 150         gint child_stdin;
 151         gchar buf[BUFFSIZE];
 152         gboolean err = FALSE;
 153
 154         cm_return_val_if_fail(command != NULL, -1);
 155         cm_return_val_if_fail(fp != NULL, -1);
 156
 157         log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
 158
 159         argv = strsplit_with_quote(command, " ", 0);
 160
 161         if (g_spawn_async_with_pipes(NULL, argv, NULL,
 162 #ifdef G_OS_WIN32
 163                                      0,
 164 #else
 165                                      G_SPAWN_DO_NOT_REAP_CHILD,
 166 #endif
 167                                      NULL, NULL,
 168                                      &pid, &child_stdin, NULL, NULL,
 169                                      NULL) == FALSE) {
 170                 g_snprintf(buf, sizeof(buf),
 171                            _("Couldn't execute command: %s"), command);
 172                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 173                 alertpanel_error("%s", buf);
 174                 g_strfreev(argv);
 175                 return -1;
 176         }
 177         g_strfreev(argv);
 178
 179         while (claws_fgets(buf, sizeof(buf), fp) != NULL) {
 180                 strretchomp(buf);
 181                 if (buf[0] == '.' && buf[1] == '\0') {
 182                         if (fd_write_all(child_stdin, ".", 1) < 0) {
 183                                 err = TRUE;
 184                                 break;
 185                         }
 186                 }
 187                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
 188                     fd_write_all(child_stdin, "\n", 1) < 0) {
 189                         err = TRUE;
 190                         break;
 191                 }
 192         }
 193
 194         fd_close(child_stdin);
 195
 196 #ifndef G_OS_WIN32
 197         gint status;
 198         waitpid(pid, &status, 0);
 199         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 200                 err = TRUE;
 201 #endif
 202
 203         g_spawn_close_pid(pid);
 204
 205         if (err) {
 206                 g_snprintf(buf, sizeof(buf),
 207                            _("Error occurred while executing command: %s"),
 208                            command);
 209                 log_warning(LOG_PROTOCOL, "%s\n", buf);
 210                 alertpanel_error("%s", buf);
 211                 return -1;
 212         }
 213
 214         return 0;
 215 }
 216
 217 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 218 {
 219         Session *session;
 220         SMTPSession *smtp_session;
 221         gushort port = 0;
 222         gchar buf[BUFFSIZE];
 223         gint ret = 0;
 224         gboolean was_inited = FALSE;
 225         MsgInfo *tmp_msginfo = NULL;
 226         MsgFlags flags = {0, 0};
 227         long fp_pos = 0;
 228         gchar spec_from[BUFFSIZE];
 229         ProxyInfo *proxy_info = NULL;
 230
 231         cm_return_val_if_fail(ac_prefs != NULL, -1);
 232         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
 233         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 234         cm_return_val_if_fail(to_list != NULL, -1);
 235         cm_return_val_if_fail(fp != NULL, -1);
 236
 237         /* get the From address used, not necessarily the ac_prefs',
 238          * because it's editable. */
 239
 240         fp_pos = ftell(fp);
 241         if (fp_pos < 0) {
 242                 perror("ftell");
 243                 return -1;
 244         }
 245         tmp_msginfo = procheader_parse_stream(fp, flags, TRUE, FALSE);
 246         if (fseek(fp, fp_pos, SEEK_SET) < 0) {
 247                 perror("fseek");
 248                 return -1;
 249         }
 250
 251         if (tmp_msginfo && tmp_msginfo->extradata && tmp_msginfo->extradata->resent_from) {
 252                 strncpy2(spec_from, tmp_msginfo->extradata->resent_from, BUFFSIZE-1);
 253                 extract_address(spec_from);
 254         } else if (tmp_msginfo && tmp_msginfo->from) {
 255                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
 256                 extract_address(spec_from);
 257         } else {
 258                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
 259         }
 260         if (tmp_msginfo) {
 261                 procmsg_msginfo_free(&tmp_msginfo);
 262         }
 263
 264         if (!ac_prefs->session) {
 265                 /* we can't reuse a previously initialised session */
 266                 session = smtp_session_new(ac_prefs);
 267                 session->ssl_cert_auto_accept = ac_prefs->ssl_certs_auto_accept;
 268
 269                 smtp_session = SMTP_SESSION(session);
 270
 271                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 272                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 273                 } else {
 274                         smtp_session->hostname = NULL;
 275                 }
 276
 277 #ifdef USE_GNUTLS
 278                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 279                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 280                 session->ssl_type = ac_prefs->ssl_smtp;
 281                 if (ac_prefs->ssl_smtp != SSL_NONE)
 282                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 283                 if (ac_prefs->set_gnutls_priority && ac_prefs->gnutls_priority &&
 284                     strlen(ac_prefs->gnutls_priority))
 285                         session->gnutls_priority = g_strdup(ac_prefs->gnutls_priority);
 286                 session->use_tls_sni = ac_prefs->use_tls_sni;
 287 #ifdef USE_OAUTH2
 288                 if (ac_prefs->use_smtp_auth && ac_prefs->smtp_auth_type == SMTPAUTH_OAUTH2)
 289                         oauth2_check_passwds(ac_prefs);
 290 #endif
 291 #else
 292                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 293                         if (alertpanel_full(_("Insecure connection"),
 294                                 _("This connection is configured to be secured "
 295                                   "using TLS, but TLS is not available "
 296                                   "in this build of Claws Mail. \n\n"
 297                                   "Do you want to continue connecting to this "
 298                                   "server? The communication would not be "
 299                                   "secure."),
 300                                   NULL, _("_Cancel"), NULL, _("Con_tinue connecting"),
 301                                   NULL, NULL, ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING) != 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                 if (ac_prefs->use_smtp_auth) {
 310                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 311                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 312                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 313                                 if (password_get(smtp_session->user,
 314                                                         ac_prefs->smtp_server, "smtp", port,
 315                                                         &(smtp_session->pass))) {
 316                                         /* NOP */;
 317                                 } else if ((smtp_session->pass =
 318                                                 passwd_store_get_account(ac_prefs->account_id,
 319                                                                 PWS_ACCOUNT_SEND)) == NULL) {
 320                                         smtp_session->pass =
 321                                                 input_dialog_query_password_keep
 322                                                         (ac_prefs->smtp_server,
 323                                                          smtp_session->user,
 324                                                          &(ac_prefs->session_smtp_passwd));
 325                                         if (!smtp_session->pass) {
 326                                                 session_destroy(session);
 327                                                 return -1;
 328                                         }
 329                                 }
 330                         } else {
 331                                 smtp_session->user = g_strdup(ac_prefs->userid);
 332                                 if (password_get(smtp_session->user,
 333                                                         ac_prefs->smtp_server, "smtp", port,
 334                                                         &(smtp_session->pass))) {
 335                                         /* NOP */;
 336                                 } else if ((smtp_session->pass = passwd_store_get_account(
 337                                                         ac_prefs->account_id, PWS_ACCOUNT_RECV)) == NULL) {
 338                                         smtp_session->pass =
 339                                                 input_dialog_query_password_keep
 340                                                         (ac_prefs->smtp_server,
 341                                                          smtp_session->user,
 342                                                          &(ac_prefs->session_smtp_passwd));
 343                                         if (!smtp_session->pass) {
 344                                                 session_destroy(session);
 345                                                 return -1;
 346                                         }
 347                                 }
 348                         }
 349                 } else {
 350                         smtp_session->user = NULL;
 351                         smtp_session->pass = NULL;
 352                 }
 353
 354                 send_dialog = send_progress_dialog_create();
 355                 send_dialog->session = session;
 356                 smtp_session->dialog = send_dialog;
 357
 358                 progress_dialog_list_set(send_dialog->dialog, 0, NULL,
 359                                          ac_prefs->smtp_server,
 360                                          _("Connecting"));
 361
 362                 if (ac_prefs->pop_before_smtp
 363                     && (ac_prefs->protocol == A_POP3)
 364                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 365                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 366                         log_message(LOG_PROTOCOL, "%s\n", buf);
 367                         progress_dialog_set_label(send_dialog->dialog, buf);
 368                         progress_dialog_list_set_status(send_dialog->dialog, 0, _("POP before SMTP"));
 369                         GTK_EVENTS_FLUSH();
 370                         inc_pop_before_smtp(ac_prefs);
 371                 }
 372
 373                 g_snprintf(buf, sizeof(buf), _("Account '%s': Connecting to SMTP server: %s:%d..."),
 374                                 ac_prefs->account_name, ac_prefs->smtp_server, port);
 375                 progress_dialog_set_label(send_dialog->dialog, buf);
 376                 log_message(LOG_PROTOCOL, "%s\n", buf);
 377
 378                 session_set_recv_message_notify(session, send_recv_message, send_dialog);
 379                 session_set_send_data_progressive_notify
 380                         (session, send_send_data_progressive, send_dialog);
 381                 session_set_send_data_notify(session, send_send_data_finished, send_dialog);
 382
 383         } else {
 384                 /* everything is ready to start at MAIL FROM:, just
 385                  * reinit useful variables.
 386                  */
 387                 session = SESSION(ac_prefs->session);
 388                 ac_prefs->session = NULL;
 389                 smtp_session = SMTP_SESSION(session);
 390                 smtp_session->state = SMTP_HELO;
 391                 send_dialog = (SendProgressDialog *)smtp_session->dialog;
 392                 was_inited = TRUE;
 393         }
 394
 395         /* This has to be initialised for every mail sent */
 396         smtp_session->from = g_strdup(spec_from);
 397         smtp_session->to_list = to_list;
 398         smtp_session->cur_to = to_list;
 399         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
 400         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
 401
 402         if (ac_prefs->use_proxy && ac_prefs->use_proxy_for_send) {
 403                 if (ac_prefs->use_default_proxy) {
 404                         proxy_info = (ProxyInfo *)&(prefs_common.proxy_info);
 405                         if (proxy_info->use_proxy_auth)
 406                                 proxy_info->proxy_pass = passwd_store_get(PWS_CORE, PWS_CORE_PROXY,
 407                                                 PWS_CORE_PROXY_PASS);
 408                 } else {
 409                         proxy_info = (ProxyInfo *)&(ac_prefs->proxy_info);
 410                         if (proxy_info->use_proxy_auth)
 411                                 proxy_info->proxy_pass = passwd_store_get_account(ac_prefs->account_id,
 412                                                 PWS_ACCOUNT_PROXY_PASS);
 413                 }
 414         }
 415         SESSION(smtp_session)->proxy_info = proxy_info;
 416
 417         session_set_timeout(session,
 418                             prefs_common.io_timeout_secs * 1000);
 419         /* connect if necessary */
 420         if (!was_inited && session_connect(session, ac_prefs->smtp_server,
 421                                 port) < 0) {
 422                 session_destroy(session);
 423                 send_progress_dialog_destroy(send_dialog);
 424                 ac_prefs->session = NULL;
 425                 return -1;
 426         }
 427
 428         debug_print("send_message_smtp(): begin event loop\n");
 429
 430         if (was_inited) {
 431                 /* as the server is quiet, start sending ourselves */
 432                 smtp_from(smtp_session);
 433         }
 434
 435         while (session_is_running(session) && send_dialog->cancelled == FALSE
 436                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 437                 gtk_main_iteration();
 438
 439         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 440                 if (ac_prefs->session_smtp_passwd) {
 441                         g_free(ac_prefs->session_smtp_passwd);
 442                         ac_prefs->session_smtp_passwd = NULL;
 443                 }
 444                 ret = -1;
 445         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 446                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
 447                 ret = 0;
 448         } else if (session->state == SESSION_EOF &&
 449                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 450                 /* consider EOF right after QUIT successful */
 451                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
 452                 ret = 0;
 453         } else if (session->state == SESSION_ERROR ||
 454                    session->state == SESSION_EOF ||
 455                    session->state == SESSION_TIMEOUT ||
 456                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 457                    SMTP_SESSION(session)->error_val != SM_OK)
 458                 ret = -1;
 459         else if (send_dialog->cancelled == TRUE)
 460                 ret = -1;
 461
 462         if (ret == -1) {
 463                 manage_window_focus_in(send_dialog->dialog->window, NULL, NULL);
 464                 send_put_error(session);
 465                 manage_window_focus_out(send_dialog->dialog->window, NULL, NULL);
 466         }
 467
 468         /* if we should close the connection, let's do it.
 469          * Close it in case of error, too, as it helps reinitializing things
 470          * easier.
 471          */
 472         if (!keep_session || ret != 0) {
 473                 if (session_is_connected(session))
 474                         smtp_quit(smtp_session);
 475                 while (session_is_connected(session) && !send_dialog->cancelled)
 476                         gtk_main_iteration();
 477                 session_destroy(session);
 478                 ac_prefs->session = NULL;
 479                 send_progress_dialog_destroy(send_dialog);
 480         } else {
 481                 g_free(smtp_session->from);
 482                 g_free(smtp_session->send_data);
 483                 g_free(smtp_session->error_msg);
 484         }
 485         if (keep_session && ret == 0 && ac_prefs->session == NULL)
 486                 ac_prefs->session = SMTP_SESSION(session);
 487
 488
 489         statusbar_pop_all();
 490         statusbar_verbosity_set(FALSE);
 491         return ret;
 492 }
 493
 494 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 495 {
 496         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 497 }
 498
 499 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 500 {
 501         gchar buf[BUFFSIZE];
 502         SMTPSession *smtp_session = SMTP_SESSION(session);
 503         SendProgressDialog *dialog = (SendProgressDialog *)data;
 504         gchar *state_str = NULL;
 505
 506         cm_return_val_if_fail(dialog != NULL, -1);
 507
 508         switch (smtp_session->state) {
 509         case SMTP_READY:
 510                 return 0;
 511         case SMTP_HELO:
 512                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 513                 state_str = _("Authenticating");
 514                 statusbar_print_all(_("Sending message..."));
 515                 break;
 516         case SMTP_EHLO:
 517                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 518                 state_str = _("Authenticating");
 519                 statusbar_print_all(_("Sending message..."));
 520                 break;
 521         case SMTP_AUTH:
 522                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 523                 state_str = _("Authenticating");
 524                 break;
 525         case SMTP_FROM:
 526                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 527                 state_str = _("Sending");
 528                 break;
 529         case SMTP_RCPT:
 530                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 531                 state_str = _("Sending");
 532                 break;
 533         case SMTP_DATA:
 534         case SMTP_EOM:
 535                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 536                 state_str = _("Sending");
 537                 break;
 538         case SMTP_QUIT:
 539                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 540                 state_str = _("Quitting");
 541                 break;
 542         case SMTP_ERROR:
 543                 g_warning("send: error: %s", msg);
 544                 return 0;
 545         default:
 546                 return 0;
 547         }
 548
 549         progress_dialog_set_label(dialog->dialog, buf);
 550         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 551
 552         return 0;
 553 }
 554
 555 static gint send_send_data_progressive(Session *session, guint cur_len,
 556                                        guint total_len, gpointer data)
 557 {
 558         gchar buf[BUFFSIZE];
 559         SendProgressDialog *dialog = (SendProgressDialog *)data;
 560         MainWindow *mainwin = mainwindow_get_mainwindow();
 561
 562         cm_return_val_if_fail(dialog != NULL, -1);
 563
 564         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 565             SMTP_SESSION(session)->state != SMTP_EOM)
 566                 return 0;
 567
 568         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 569                    cur_len, total_len);
 570         progress_dialog_set_label(dialog->dialog, buf);
 571         progress_dialog_set_fraction
 572                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 573
 574         if (mainwin) {
 575                 if (!gtk_widget_get_visible(mainwin->progressbar))
 576                         gtk_widget_show(mainwin->progressbar);
 577                 gtk_progress_bar_set_fraction
 578                         (GTK_PROGRESS_BAR(mainwin->progressbar),
 579                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 580         }
 581
 582         return 0;
 583 }
 584
 585 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 586 {
 587         SendProgressDialog *dialog = (SendProgressDialog *)data;
 588         MainWindow *mainwin = mainwindow_get_mainwindow();
 589
 590         cm_return_val_if_fail(dialog != NULL, -1);
 591
 592         send_send_data_progressive(session, len, len, dialog);
 593         if (mainwin) {
 594                 gtk_widget_hide(mainwin->progressbar);
 595                 gtk_progress_bar_set_fraction
 596                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
 597         }
 598
 599         return 0;
 600 }
 601
 602 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
 603                                          GtkAllocation *allocation)
 604 {
 605         cm_return_if_fail(allocation != NULL);
 606
 607         gtk_window_get_size(GTK_WINDOW(widget),
 608                 &prefs_common.sendwin_width, &prefs_common.sendwin_height);
 609 }
 610
 611 static SendProgressDialog *send_progress_dialog_create(void)
 612 {
 613         SendProgressDialog *dialog;
 614         ProgressDialog *progress;
 615         static GdkGeometry geometry;
 616
 617         dialog = g_new0(SendProgressDialog, 1);
 618
 619         progress = progress_dialog_create();
 620         gtk_window_set_title(GTK_WINDOW(progress->window),
 621                              _("Sending message"));
 622         g_signal_connect(G_OBJECT(progress->showlog_btn), "clicked",
 623                          G_CALLBACK(send_showlog_button_cb), dialog);
 624         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 625                          G_CALLBACK(send_cancel_button_cb), dialog);
 626         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 627                          G_CALLBACK(gtk_true), NULL);
 628         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 629         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
 630                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
 631         manage_window_set_transient(GTK_WINDOW(progress->window));
 632
 633         progress_dialog_get_fraction(progress);
 634
 635         if (!geometry.min_height) {
 636                 geometry.min_width = 460;
 637                 geometry.min_height = 250;
 638         }
 639
 640         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
 641                                       GDK_HINT_MIN_SIZE);
 642         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
 643                                     prefs_common.sendwin_height);
 644
 645         if (!prefs_common.send_dialog_invisible) {
 646                 gtk_widget_show_now(progress->window);
 647         }
 648
 649         dialog->dialog = progress;
 650
 651         return dialog;
 652 }
 653
 654 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 655 {
 656         cm_return_if_fail(dialog != NULL);
 657         if (!prefs_common.send_dialog_invisible) {
 658                 progress_dialog_destroy(dialog->dialog);
 659         }
 660         g_free(dialog);
 661         send_dialog = NULL;
 662 }
 663
 664 static void send_showlog_button_cb(GtkWidget *widget, gpointer data)
 665 {
 666         MainWindow *mainwin = mainwindow_get_mainwindow();
 667
 668         log_window_show(mainwin->logwin);
 669 }
 670
 671 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 672 {
 673         SendProgressDialog *dialog = (SendProgressDialog *)data;
 674         statusbar_progress_all(0,0,0);
 675
 676         dialog->cancelled = TRUE;
 677 }
 678
 679 static void send_put_error(Session *session)
 680 {
 681         gchar *msg;
 682         gchar *log_msg = NULL;
 683         gchar *err_msg = NULL;
 684
 685         msg = SMTP_SESSION(session)->error_msg;
 686
 687         switch (SMTP_SESSION(session)->error_val) {
 688         case SM_ERROR:
 689         case SM_UNRECOVERABLE:
 690                 log_msg = _("Error occurred while sending the message.");
 691                 if (msg)
 692                         err_msg = g_strdup_printf
 693                                 (_("Error occurred while sending the message:\n%s"),
 694                                  msg);
 695                 else
 696                         err_msg = g_strdup(log_msg);
 697                 break;
 698         case SM_AUTHFAIL:
 699                 log_msg = _("Authentication failed.");
 700                 if (msg)
 701                         err_msg = g_strdup_printf
 702                                 (_("Authentication failed:\n%s"), msg);
 703                 else
 704                         err_msg = g_strdup(log_msg);
 705                 break;
 706         default:
 707                 switch (session->state) {
 708                 case SESSION_ERROR:
 709                         log_msg =
 710                                 _("Error occurred while sending the message.");
 711                         err_msg = g_strdup(log_msg);
 712                         break;
 713                 case SESSION_EOF:
 714                         log_msg = _("Connection closed by the remote host.");
 715                         err_msg = g_strdup(log_msg);
 716                         break;
 717                 case SESSION_TIMEOUT:
 718                         log_msg = _("Session timed out. You may be able to "
 719                                     "recover by increasing the timeout value in "
 720                                     "Preferences/Other/Miscellaneous.");
 721                         err_msg = g_strdup(log_msg);
 722                         break;
 723                 default:
 724                         break;
 725                 }
 726                 break;
 727         }
 728
 729         if (err_msg) {
 730                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
 731                 g_free(err_msg);
 732         } else {
 733                 if (log_msg)
 734                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
 735         }
 736 }
 737