src/send_message.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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/gtkmain.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <signal.h>
  34 #include <sys/types.h>
  35 #ifndef G_OS_WIN32
  36 #include <sys/wait.h>
  37 #endif
  38
  39 #include "send_message.h"
  40 #include "session.h"
  41 #include "ssl.h"
  42 #include "smtp.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "procheader.h"
  46 #include "account.h"
  47 #include "progressdialog.h"
  48 #include "statusbar.h"
  49 #include "inputdialog.h"
  50 #include "alertpanel.h"
  51 #include "manage_window.h"
  52 #include "socket.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "inc.h"
  56 #include "log.h"
  57
  58 typedef struct _SendProgressDialog      SendProgressDialog;
  59
  60 struct _SendProgressDialog
  61 {
  62         ProgressDialog *dialog;
  63         Session *session;
  64         gboolean cancelled;
  65 };
  66
  67 static gint send_recv_message           (Session                *session,
  68                                          const gchar            *msg,
  69                                          gpointer                data);
  70 static gint send_send_data_progressive  (Session                *session,
  71                                          guint                   cur_len,
  72                                          guint                   total_len,
  73                                          gpointer                data);
  74 static gint send_send_data_finished     (Session                *session,
  75                                          guint                   len,
  76                                          gpointer                data);
  77
  78 static SendProgressDialog *send_progress_dialog_create(void);
  79 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  80
  81 static void send_cancel_button_cb       (GtkWidget      *widget,
  82                                          gpointer        data);
  83
  84 static void send_put_error              (Session        *session);
  85
  86
  87 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  88 {
  89         FILE *fp;
  90         gint val;
  91
  92         g_return_val_if_fail(file != NULL, -1);
  93         g_return_val_if_fail(ac_prefs != NULL, -1);
  94         g_return_val_if_fail(to_list != NULL, -1);
  95
  96         if ((fp = g_fopen(file, "rb")) == NULL) {
  97                 FILE_OP_ERROR(file, "fopen");
  98                 return -1;
  99         }
 100
 101         inc_lock();
 102         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 103             (*ac_prefs->mail_command)) {
 104                 val = send_message_local(ac_prefs->mail_command, fp);
 105                 fclose(fp);
 106                 inc_unlock();
 107                 return val;
 108         } else {
 109                 val = send_message_smtp(ac_prefs, to_list, fp);
 110
 111                 fclose(fp);
 112                 inc_unlock();
 113                 return val;
 114         }
 115 }
 116
 117 enum
 118 {
 119         Q_SENDER     = 0,
 120         Q_SMTPSERVER = 1,
 121         Q_RECIPIENTS = 2,
 122         Q_ACCOUNT_ID = 3
 123 };
 124
 125 gint send_message_local(const gchar *command, FILE *fp)
 126 {
 127         gchar **argv;
 128         GPid pid;
 129         gint child_stdin;
 130         gchar buf[BUFFSIZE];
 131         gboolean err = FALSE;
 132         gint status;
 133
 134         g_return_val_if_fail(command != NULL, -1);
 135         g_return_val_if_fail(fp != NULL, -1);
 136
 137         log_message(_("Sending message using command: %s\n"), command);
 138
 139         argv = strsplit_with_quote(command, " ", 0);
 140
 141         if (g_spawn_async_with_pipes(NULL, argv, NULL,
 142 #ifdef G_OS_WIN32
 143                                      0,
 144 #else
 145                                      G_SPAWN_DO_NOT_REAP_CHILD,
 146 #endif
 147                                      NULL, NULL,
 148                                      &pid, &child_stdin, NULL, NULL,
 149                                      NULL) == FALSE) {
 150                 g_snprintf(buf, sizeof(buf),
 151                            _("Can't execute command: %s"), command);
 152                 log_warning("%s\n", buf);
 153                 alertpanel_error("%s", buf);
 154                 g_strfreev(argv);
 155                 return -1;
 156         }
 157         g_strfreev(argv);
 158
 159         while (fgets(buf, sizeof(buf), fp) != NULL) {
 160                 strretchomp(buf);
 161                 if (buf[0] == '.' && buf[1] == '\0') {
 162                         if (fd_write_all(child_stdin, ".", 1) < 0) {
 163                                 err = TRUE;
 164                                 break;
 165                         }
 166                 }
 167                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
 168                     fd_write_all(child_stdin, "\n", 1) < 0) {
 169                         err = TRUE;
 170                         break;
 171                 }
 172         }
 173
 174         fd_close(child_stdin);
 175
 176 #ifndef G_OS_WIN32
 177         waitpid(pid, &status, 0);
 178         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 179                 err = TRUE;
 180 #endif
 181
 182         g_spawn_close_pid(pid);
 183
 184         if (err) {
 185                 g_snprintf(buf, sizeof(buf),
 186                            _("Error occurred while executing command: %s"),
 187                            command);
 188                 log_warning("%s\n", buf);
 189                 alertpanel_error("%s", buf);
 190                 return -1;
 191         }
 192
 193         return 0;
 194 }
 195
 196 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 197 {
 198         Session *session;
 199         SMTPSession *smtp_session;
 200         gushort port = 0;
 201         SendProgressDialog *dialog;
 202         gchar buf[BUFFSIZE];
 203         gint ret = 0;
 204         gboolean was_inited = FALSE;
 205
 206         g_return_val_if_fail(ac_prefs != NULL, -1);
 207         g_return_val_if_fail(ac_prefs->address != NULL, -1);
 208         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 209         g_return_val_if_fail(to_list != NULL, -1);
 210         g_return_val_if_fail(fp != NULL, -1);
 211
 212         if (!ac_prefs->session) {
 213                 /* we can't reuse a previously initialised session */
 214                 session = smtp_session_new();
 215                 smtp_session = SMTP_SESSION(session);
 216
 217                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 218                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 219                 } else {
 220                         smtp_session->hostname = NULL;
 221                 }
 222
 223                 if (ac_prefs->use_smtp_auth) {
 224                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 225                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 226                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 227                                 if (ac_prefs->smtp_passwd)
 228                                         smtp_session->pass =
 229                                                 g_strdup(ac_prefs->smtp_passwd);
 230                                 else if (ac_prefs->tmp_smtp_pass)
 231                                         smtp_session->pass =
 232                                                 g_strdup(ac_prefs->tmp_smtp_pass);
 233                                 else {
 234                                         smtp_session->pass =
 235                                                 input_dialog_query_password
 236                                                         (ac_prefs->smtp_server,
 237                                                          smtp_session->user);
 238                                         if (!smtp_session->pass) {
 239                                                 session_destroy(session);
 240                                                 return -1;
 241                                         }
 242                                         ac_prefs->tmp_smtp_pass =
 243                                                 g_strdup(smtp_session->pass);
 244                                 }
 245                         } else {
 246                                 smtp_session->user = g_strdup(ac_prefs->userid);
 247                                 if (ac_prefs->passwd)
 248                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
 249                                 else if (ac_prefs->tmp_pass)
 250                                         smtp_session->pass =
 251                                                 g_strdup(ac_prefs->tmp_pass);
 252                                 else {
 253                                         smtp_session->pass =
 254                                                 input_dialog_query_password
 255                                                         (ac_prefs->smtp_server,
 256                                                          smtp_session->user);
 257                                         if (!smtp_session->pass) {
 258                                                 session_destroy(session);
 259                                                 return -1;
 260                                         }
 261                                         ac_prefs->tmp_pass =
 262                                                 g_strdup(smtp_session->pass);
 263                                 }
 264                         }
 265                 } else {
 266                         smtp_session->user = NULL;
 267                         smtp_session->pass = NULL;
 268                 }
 269
 270         #if USE_OPENSSL
 271                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 272                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 273                 session->ssl_type = ac_prefs->ssl_smtp;
 274                 if (ac_prefs->ssl_smtp != SSL_NONE)
 275                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 276         #else
 277                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 278                         if (alertpanel_full(_("Insecure connection"),
 279                                 _("This connection is configured to be secured "
 280                                   "using SSL, but SSL is not available in this "
 281                                   "build of Sylpheed-Claws. \n\n"
 282                                   "Do you want to continue connecting to this "
 283                                   "server? The communication would not be "
 284                                   "secure."),
 285                                   _("Con_tinue connecting"),
 286                                   GTK_STOCK_CANCEL, NULL,
 287                                   FALSE, NULL, ALERT_WARNING,
 288                                   G_ALERTALTERNATE) != G_ALERTDEFAULT) {
 289                                 session_destroy(session);
 290                                 return -1;
 291                         }
 292                 }
 293                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 294         #endif
 295
 296                 dialog = send_progress_dialog_create();
 297                 dialog->session = session;
 298                 smtp_session->dialog = dialog;
 299
 300                 progress_dialog_list_set(dialog->dialog, 0, NULL,
 301                                          ac_prefs->smtp_server,
 302                                          _("Connecting"));
 303
 304                 if (ac_prefs->pop_before_smtp
 305                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
 306                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 307                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 308                         log_message(buf);
 309                         progress_dialog_set_label(dialog->dialog, buf);
 310                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
 311                         GTK_EVENTS_FLUSH();
 312                         inc_pop_before_smtp(ac_prefs);
 313                 }
 314
 315                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 316                            ac_prefs->smtp_server);
 317                 progress_dialog_set_label(dialog->dialog, buf);
 318                 log_message("%s\n", buf);
 319
 320                 session_set_recv_message_notify(session, send_recv_message, dialog);
 321                 session_set_send_data_progressive_notify
 322                         (session, send_send_data_progressive, dialog);
 323                 session_set_send_data_notify(session, send_send_data_finished, dialog);
 324
 325                 ac_prefs->session = SMTP_SESSION(session);
 326         } else {
 327                 /* everything is ready to start at MAIL FROM:, just
 328                  * reinit useful variables.
 329                  */
 330                 session = SESSION(ac_prefs->session);
 331                 smtp_session = SMTP_SESSION(session);
 332                 smtp_session->state = SMTP_HELO;
 333                 dialog = (SendProgressDialog *)smtp_session->dialog;
 334                 was_inited = TRUE;
 335         }
 336
 337         /* This has to be initialised for every mail sent */
 338         smtp_session->from = g_strdup(ac_prefs->address);
 339         smtp_session->to_list = to_list;
 340         smtp_session->cur_to = to_list;
 341         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
 342         smtp_session->send_data_len = strlen(smtp_session->send_data);
 343
 344         /* connect if necessary */
 345         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 346                 session_destroy(session);
 347                 send_progress_dialog_destroy(dialog);
 348                 ac_prefs->session = NULL;
 349                 return -1;
 350         }
 351
 352         debug_print("send_message_smtp(): begin event loop\n");
 353
 354         if (was_inited) {
 355                 /* as the server is quiet, start sending ourselves */
 356                 smtp_from(smtp_session);
 357         }
 358
 359         while (session_is_connected(session) && dialog->cancelled == FALSE
 360                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 361                 gtk_main_iteration();
 362
 363         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 364                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
 365                         g_free(ac_prefs->tmp_smtp_pass);
 366                         ac_prefs->tmp_smtp_pass = NULL;
 367                 } else if (ac_prefs->tmp_pass) {
 368                         g_free(ac_prefs->tmp_pass);
 369                         ac_prefs->tmp_pass = NULL;
 370                 }
 371                 ret = -1;
 372         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 373                 log_message("%s\n", _("Mail sent successfully."));
 374                 ret = 0;
 375         } else if (session->state == SESSION_EOF &&
 376                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 377                 /* consider EOF right after QUIT successful */
 378                 log_warning("%s\n", _("Connection closed by the remote host."));
 379                 ret = 0;
 380         } else if (session->state == SESSION_ERROR ||
 381                    session->state == SESSION_EOF ||
 382                    session->state == SESSION_TIMEOUT ||
 383                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 384                    SMTP_SESSION(session)->error_val != SM_OK)
 385                 ret = -1;
 386         else if (dialog->cancelled == TRUE)
 387                 ret = -1;
 388
 389         if (ret == -1) {
 390                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
 391                 send_put_error(session);
 392                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
 393         }
 394
 395         /* if we should close the connection, let's do it.
 396          * Close it in case of error, too, as it helps reinitializing things
 397          * easier.
 398          */
 399         if (!keep_session || ret != 0) {
 400                 if (session_is_connected(session))
 401                         smtp_quit(smtp_session);
 402                 while (session_is_connected(session) && !dialog->cancelled)
 403                         gtk_main_iteration();
 404                 session_destroy(session);
 405                 ac_prefs->session = NULL;
 406                 send_progress_dialog_destroy(dialog);
 407         } else {
 408                 g_free(smtp_session->from);
 409                 g_free(smtp_session->send_data);
 410                 g_free(smtp_session->error_msg);
 411         }
 412
 413         statusbar_pop_all();
 414         statusbar_verbosity_set(FALSE);
 415         return ret;
 416 }
 417
 418 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 419 {
 420         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 421 }
 422
 423 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 424 {
 425         gchar buf[BUFFSIZE];
 426         SMTPSession *smtp_session = SMTP_SESSION(session);
 427         SendProgressDialog *dialog = (SendProgressDialog *)data;
 428         gchar *state_str = NULL;
 429
 430         g_return_val_if_fail(dialog != NULL, -1);
 431
 432         switch (smtp_session->state) {
 433         case SMTP_READY:
 434         case SMTP_CONNECTED:
 435                 return 0;
 436         case SMTP_HELO:
 437                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 438                 state_str = _("Authenticating");
 439                 statusbar_print_all(_("Sending message..."));
 440                 break;
 441         case SMTP_EHLO:
 442                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 443                 state_str = _("Authenticating");
 444                 statusbar_print_all(_("Sending message..."));
 445                 break;
 446         case SMTP_AUTH:
 447                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 448                 state_str = _("Authenticating");
 449                 break;
 450         case SMTP_FROM:
 451                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 452                 state_str = _("Sending");
 453                 break;
 454         case SMTP_RCPT:
 455                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 456                 state_str = _("Sending");
 457                 break;
 458         case SMTP_DATA:
 459         case SMTP_EOM:
 460                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 461                 state_str = _("Sending");
 462                 break;
 463         case SMTP_QUIT:
 464                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 465                 state_str = _("Quitting");
 466                 break;
 467         case SMTP_ERROR:
 468                 g_warning("send: error: %s\n", msg);
 469                 return 0;
 470         default:
 471                 return 0;
 472         }
 473
 474         progress_dialog_set_label(dialog->dialog, buf);
 475         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 476
 477         return 0;
 478 }
 479
 480 static gint send_send_data_progressive(Session *session, guint cur_len,
 481                                        guint total_len, gpointer data)
 482 {
 483         gchar buf[BUFFSIZE];
 484         SendProgressDialog *dialog = (SendProgressDialog *)data;
 485
 486         g_return_val_if_fail(dialog != NULL, -1);
 487
 488         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 489             SMTP_SESSION(session)->state != SMTP_EOM)
 490                 return 0;
 491
 492         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 493                    cur_len, total_len);
 494         progress_dialog_set_label(dialog->dialog, buf);
 495         progress_dialog_set_fraction
 496                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 497
 498         return 0;
 499 }
 500
 501 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 502 {
 503         SendProgressDialog *dialog = (SendProgressDialog *)data;
 504
 505         g_return_val_if_fail(dialog != NULL, -1);
 506
 507         send_send_data_progressive(session, len, len, dialog);
 508         return 0;
 509 }
 510
 511 static SendProgressDialog *send_progress_dialog_create(void)
 512 {
 513         SendProgressDialog *dialog;
 514         ProgressDialog *progress;
 515
 516         dialog = g_new0(SendProgressDialog, 1);
 517
 518         progress = progress_dialog_create();
 519         gtk_window_set_title(GTK_WINDOW(progress->window),
 520                              _("Sending message"));
 521         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 522                          G_CALLBACK(send_cancel_button_cb), dialog);
 523         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 524                          G_CALLBACK(gtk_true), NULL);
 525         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 526         manage_window_set_transient(GTK_WINDOW(progress->window));
 527
 528         progress_dialog_get_fraction(progress);
 529
 530         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 531                 gtk_widget_show_now(progress->window);
 532         }
 533
 534         dialog->dialog = progress;
 535
 536         return dialog;
 537 }
 538
 539 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 540 {
 541         g_return_if_fail(dialog != NULL);
 542         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 543                 progress_dialog_destroy(dialog->dialog);
 544         }
 545         g_free(dialog);
 546 }
 547
 548 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 549 {
 550         SendProgressDialog *dialog = (SendProgressDialog *)data;
 551
 552         dialog->cancelled = TRUE;
 553 }
 554
 555 static void send_put_error(Session *session)
 556 {
 557         gchar *msg;
 558         gchar *log_msg = NULL;
 559         gchar *err_msg = NULL;
 560
 561         msg = SMTP_SESSION(session)->error_msg;
 562
 563         switch (SMTP_SESSION(session)->error_val) {
 564         case SM_ERROR:
 565         case SM_UNRECOVERABLE:
 566                 log_msg = _("Error occurred while sending the message.");
 567                 if (msg)
 568                         err_msg = g_strdup_printf
 569                                 (_("Error occurred while sending the message:\n%s"),
 570                                  msg);
 571                 else
 572                         err_msg = g_strdup(log_msg);
 573                 break;
 574         case SM_AUTHFAIL:
 575                 log_msg = _("Authentication failed.");
 576                 if (msg)
 577                         err_msg = g_strdup_printf
 578                                 (_("Authentication failed:\n%s"), msg);
 579                 else
 580                         err_msg = g_strdup(log_msg);
 581                 break;
 582         default:
 583                 switch (session->state) {
 584                 case SESSION_ERROR:
 585                         log_msg =
 586                                 _("Error occurred while sending the message.");
 587                         err_msg = g_strdup(log_msg);
 588                         break;
 589                 case SESSION_EOF:
 590                         log_msg = _("Connection closed by the remote host.");
 591                         err_msg = g_strdup(log_msg);
 592                         break;
 593                 case SESSION_TIMEOUT:
 594                         log_msg = _("Session timed out.");
 595                         err_msg = g_strdup(log_msg);
 596                         break;
 597                 default:
 598                         break;
 599                 }
 600                 break;
 601         }
 602
 603         if (log_msg)
 604                 log_warning("%s\n", log_msg);
 605         if (err_msg) {
 606                 alertpanel_error_log("%s", err_msg);
 607                 g_free(err_msg);
 608         }
 609 }
 610