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