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