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