src/send_message.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2005 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 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                 smtp_session->hostname =
 218                         ac_prefs->set_domain ? g_strdup(ac_prefs->domain) : NULL;
 219
 220                 if (ac_prefs->use_smtp_auth) {
 221                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 222                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 223                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 224                                 if (ac_prefs->smtp_passwd)
 225                                         smtp_session->pass =
 226                                                 g_strdup(ac_prefs->smtp_passwd);
 227                                 else if (ac_prefs->tmp_smtp_pass)
 228                                         smtp_session->pass =
 229                                                 g_strdup(ac_prefs->tmp_smtp_pass);
 230                                 else {
 231                                         smtp_session->pass =
 232                                                 input_dialog_query_password
 233                                                         (ac_prefs->smtp_server,
 234                                                          smtp_session->user);
 235                                         if (!smtp_session->pass) {
 236                                                 session_destroy(session);
 237                                                 return -1;
 238                                         }
 239                                         ac_prefs->tmp_smtp_pass =
 240                                                 g_strdup(smtp_session->pass);
 241                                 }
 242                         } else {
 243                                 smtp_session->user = g_strdup(ac_prefs->userid);
 244                                 if (ac_prefs->passwd)
 245                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
 246                                 else if (ac_prefs->tmp_pass)
 247                                         smtp_session->pass =
 248                                                 g_strdup(ac_prefs->tmp_pass);
 249                                 else {
 250                                         smtp_session->pass =
 251                                                 input_dialog_query_password
 252                                                         (ac_prefs->smtp_server,
 253                                                          smtp_session->user);
 254                                         if (!smtp_session->pass) {
 255                                                 session_destroy(session);
 256                                                 return -1;
 257                                         }
 258                                         ac_prefs->tmp_pass =
 259                                                 g_strdup(smtp_session->pass);
 260                                 }
 261                         }
 262                 } else {
 263                         smtp_session->user = NULL;
 264                         smtp_session->pass = NULL;
 265                 }
 266
 267         #if USE_OPENSSL
 268                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 269                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 270                 session->ssl_type = ac_prefs->ssl_smtp;
 271                 if (ac_prefs->ssl_smtp != SSL_NONE)
 272                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 273         #else
 274                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 275                         if (alertpanel_full(_("Insecure connection"),
 276                                 _("This connection is configured to be secured "
 277                                   "using SSL, but SSL is not available in this "
 278                                   "build of Sylpheed-Claws. \n\n"
 279                                   "Do you want to continue connecting to this "
 280                                   "server? The communication would not be "
 281                                   "secure."),
 282                                   _("Con_tinue connecting"),
 283                                   GTK_STOCK_CANCEL, NULL,
 284                                   FALSE, NULL, ALERT_WARNING,
 285                                   G_ALERTALTERNATE) != G_ALERTDEFAULT) {
 286                                 session_destroy(session);
 287                                 return -1;
 288                         }
 289                 }
 290                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 291         #endif
 292
 293                 dialog = send_progress_dialog_create();
 294                 dialog->session = session;
 295                 smtp_session->dialog = dialog;
 296
 297                 progress_dialog_list_set(dialog->dialog, 0, NULL,
 298                                          ac_prefs->smtp_server,
 299                                          _("Connecting"));
 300
 301                 if (ac_prefs->pop_before_smtp
 302                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
 303                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 304                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 305                         log_message(buf);
 306                         progress_dialog_set_label(dialog->dialog, buf);
 307                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
 308                         GTK_EVENTS_FLUSH();
 309                         inc_pop_before_smtp(ac_prefs);
 310                 }
 311
 312                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 313                            ac_prefs->smtp_server);
 314                 progress_dialog_set_label(dialog->dialog, buf);
 315                 log_message("%s\n", buf);
 316
 317                 session_set_recv_message_notify(session, send_recv_message, dialog);
 318                 session_set_send_data_progressive_notify
 319                         (session, send_send_data_progressive, dialog);
 320                 session_set_send_data_notify(session, send_send_data_finished, dialog);
 321
 322                 ac_prefs->session = SMTP_SESSION(session);
 323         } else {
 324                 /* everything is ready to start at MAIL FROM:, just
 325                  * reinit useful variables.
 326                  */
 327                 session = SESSION(ac_prefs->session);
 328                 smtp_session = SMTP_SESSION(session);
 329                 smtp_session->state = SMTP_HELO;
 330                 dialog = (SendProgressDialog *)smtp_session->dialog;
 331                 was_inited = TRUE;
 332         }
 333
 334         /* This has to be initialised for every mail sent */
 335         smtp_session->from = g_strdup(ac_prefs->address);
 336         smtp_session->to_list = to_list;
 337         smtp_session->cur_to = to_list;
 338         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
 339         smtp_session->send_data_len = strlen(smtp_session->send_data);
 340
 341         /* connect if necessary */
 342         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 343                 session_destroy(session);
 344                 send_progress_dialog_destroy(dialog);
 345                 ac_prefs->session = NULL;
 346                 return -1;
 347         }
 348
 349         debug_print("send_message_smtp(): begin event loop\n");
 350
 351         if (was_inited) {
 352                 /* as the server is quiet, start sending ourselves */
 353                 smtp_from(smtp_session);
 354         }
 355
 356         while (session_is_connected(session) && dialog->cancelled == FALSE
 357                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 358                 gtk_main_iteration();
 359
 360         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 361                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
 362                         g_free(ac_prefs->tmp_smtp_pass);
 363                         ac_prefs->tmp_smtp_pass = NULL;
 364                 } else if (ac_prefs->tmp_pass) {
 365                         g_free(ac_prefs->tmp_pass);
 366                         ac_prefs->tmp_pass = NULL;
 367                 }
 368                 ret = -1;
 369         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 370                 log_message("%s\n", _("Mail sent successfully."));
 371                 ret = 0;
 372         } else if (session->state == SESSION_EOF &&
 373                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 374                 /* consider EOF right after QUIT successful */
 375                 log_warning("%s\n", _("Connection closed by the remote host."));
 376                 ret = 0;
 377         } else if (session->state == SESSION_ERROR ||
 378                    session->state == SESSION_EOF ||
 379                    session->state == SESSION_TIMEOUT ||
 380                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 381                    SMTP_SESSION(session)->error_val != SM_OK)
 382                 ret = -1;
 383         else if (dialog->cancelled == TRUE)
 384                 ret = -1;
 385
 386         if (ret == -1) {
 387                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
 388                 send_put_error(session);
 389                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
 390         }
 391
 392         /* if we should close the connection, let's do it.
 393          * Close it in case of error, too, as it helps reinitializing things
 394          * easier.
 395          */
 396         if (!keep_session || ret != 0) {
 397                 if (session_is_connected(session))
 398                         smtp_quit(smtp_session);
 399                 while (session_is_connected(session) && !dialog->cancelled)
 400                         gtk_main_iteration();
 401                 session_destroy(session);
 402                 ac_prefs->session = NULL;
 403                 send_progress_dialog_destroy(dialog);
 404         } else {
 405                 g_free(smtp_session->from);
 406                 g_free(smtp_session->send_data);
 407                 g_free(smtp_session->error_msg);
 408         }
 409
 410         statusbar_pop_all();
 411         statusbar_verbosity_set(FALSE);
 412         return ret;
 413 }
 414
 415 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 416 {
 417         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 418 }
 419
 420 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 421 {
 422         gchar buf[BUFFSIZE];
 423         SMTPSession *smtp_session = SMTP_SESSION(session);
 424         SendProgressDialog *dialog = (SendProgressDialog *)data;
 425         gchar *state_str = NULL;
 426
 427         g_return_val_if_fail(dialog != NULL, -1);
 428
 429         switch (smtp_session->state) {
 430         case SMTP_READY:
 431         case SMTP_CONNECTED:
 432                 return 0;
 433         case SMTP_HELO:
 434                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 435                 state_str = _("Authenticating");
 436                 statusbar_print_all(_("Sending message..."));
 437                 break;
 438         case SMTP_EHLO:
 439                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 440                 state_str = _("Authenticating");
 441                 statusbar_print_all(_("Sending message..."));
 442                 break;
 443         case SMTP_AUTH:
 444                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 445                 state_str = _("Authenticating");
 446                 break;
 447         case SMTP_FROM:
 448                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 449                 state_str = _("Sending");
 450                 break;
 451         case SMTP_RCPT:
 452                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 453                 state_str = _("Sending");
 454                 break;
 455         case SMTP_DATA:
 456         case SMTP_EOM:
 457                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 458                 state_str = _("Sending");
 459                 break;
 460         case SMTP_QUIT:
 461                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 462                 state_str = _("Quitting");
 463                 break;
 464         case SMTP_ERROR:
 465                 g_warning("send: error: %s\n", msg);
 466                 return 0;
 467         default:
 468                 return 0;
 469         }
 470
 471         progress_dialog_set_label(dialog->dialog, buf);
 472         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 473
 474         return 0;
 475 }
 476
 477 static gint send_send_data_progressive(Session *session, guint cur_len,
 478                                        guint total_len, gpointer data)
 479 {
 480         gchar buf[BUFFSIZE];
 481         SendProgressDialog *dialog = (SendProgressDialog *)data;
 482
 483         g_return_val_if_fail(dialog != NULL, -1);
 484
 485         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 486             SMTP_SESSION(session)->state != SMTP_EOM)
 487                 return 0;
 488
 489         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 490                    cur_len, total_len);
 491         progress_dialog_set_label(dialog->dialog, buf);
 492         progress_dialog_set_fraction
 493                 (dialog->dialog, (gfloat)cur_len / (gfloat)total_len);
 494
 495         return 0;
 496 }
 497
 498 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 499 {
 500         SendProgressDialog *dialog = (SendProgressDialog *)data;
 501
 502         g_return_val_if_fail(dialog != NULL, -1);
 503
 504         send_send_data_progressive(session, len, len, dialog);
 505         return 0;
 506 }
 507
 508 static SendProgressDialog *send_progress_dialog_create(void)
 509 {
 510         SendProgressDialog *dialog;
 511         ProgressDialog *progress;
 512
 513         dialog = g_new0(SendProgressDialog, 1);
 514
 515         progress = progress_dialog_create();
 516         gtk_window_set_title(GTK_WINDOW(progress->window),
 517                              _("Sending message"));
 518         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 519                          G_CALLBACK(send_cancel_button_cb), dialog);
 520         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 521                          G_CALLBACK(gtk_true), NULL);
 522         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 523         manage_window_set_transient(GTK_WINDOW(progress->window));
 524
 525         progress_dialog_get_fraction(progress);
 526
 527         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 528                 gtk_widget_show_now(progress->window);
 529         }
 530
 531         dialog->dialog = progress;
 532
 533         return dialog;
 534 }
 535
 536 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 537 {
 538         g_return_if_fail(dialog != NULL);
 539         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 540                 progress_dialog_destroy(dialog->dialog);
 541         }
 542         g_free(dialog);
 543 }
 544
 545 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 546 {
 547         SendProgressDialog *dialog = (SendProgressDialog *)data;
 548
 549         dialog->cancelled = TRUE;
 550 }
 551
 552 static void send_put_error(Session *session)
 553 {
 554         gchar *msg;
 555         gchar *log_msg = NULL;
 556         gchar *err_msg = NULL;
 557
 558         msg = SMTP_SESSION(session)->error_msg;
 559
 560         switch (SMTP_SESSION(session)->error_val) {
 561         case SM_ERROR:
 562         case SM_UNRECOVERABLE:
 563                 log_msg = _("Error occurred while sending the message.");
 564                 if (msg)
 565                         err_msg = g_strdup_printf
 566                                 (_("Error occurred while sending the message:\n%s"),
 567                                  msg);
 568                 else
 569                         err_msg = g_strdup(log_msg);
 570                 break;
 571         case SM_AUTHFAIL:
 572                 log_msg = _("Authentication failed.");
 573                 if (msg)
 574                         err_msg = g_strdup_printf
 575                                 (_("Authentication failed:\n%s"), msg);
 576                 else
 577                         err_msg = g_strdup(log_msg);
 578                 break;
 579         default:
 580                 switch (session->state) {
 581                 case SESSION_ERROR:
 582                         log_msg =
 583                                 _("Error occurred while sending the message.");
 584                         err_msg = g_strdup(log_msg);
 585                         break;
 586                 case SESSION_EOF:
 587                         log_msg = _("Connection closed by the remote host.");
 588                         err_msg = g_strdup(log_msg);
 589                         break;
 590                 case SESSION_TIMEOUT:
 591                         log_msg = _("Session timed out.");
 592                         err_msg = g_strdup(log_msg);
 593                         break;
 594                 default:
 595                         break;
 596                 }
 597                 break;
 598         }
 599
 600         if (log_msg)
 601                 log_warning("%s\n", log_msg);
 602         if (err_msg) {
 603                 alertpanel_error_log("%s", err_msg);
 604                 g_free(err_msg);
 605         }
 606 }
 607