src/send_message.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gtk/gtkmain.h>
  29 #include <gtk/gtksignal.h>
  30 #include <gtk/gtkwindow.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <signal.h>
  34 #include <sys/types.h>
  35 #ifndef G_OS_WIN32
  36 #include <sys/wait.h>
  37 #endif
  38
  39 #include "send_message.h"
  40 #include "session.h"
  41 #include "ssl.h"
  42 #include "smtp.h"
  43 #include "prefs_common.h"
  44 #include "prefs_account.h"
  45 #include "procheader.h"
  46 #include "account.h"
  47 #include "progressdialog.h"
  48 #include "statusbar.h"
  49 #include "inputdialog.h"
  50 #include "alertpanel.h"
  51 #include "manage_window.h"
  52 #include "socket.h"
  53 #include "utils.h"
  54 #include "gtkutils.h"
  55 #include "inc.h"
  56 #include "log.h"
  57
  58 typedef struct _SendProgressDialog      SendProgressDialog;
  59
  60 struct _SendProgressDialog
  61 {
  62         ProgressDialog *dialog;
  63         Session *session;
  64         gboolean cancelled;
  65 };
  66
  67 static gint send_recv_message           (Session                *session,
  68                                          const gchar            *msg,
  69                                          gpointer                data);
  70 static gint send_send_data_progressive  (Session                *session,
  71                                          guint                   cur_len,
  72                                          guint                   total_len,
  73                                          gpointer                data);
  74 static gint send_send_data_finished     (Session                *session,
  75                                          guint                   len,
  76                                          gpointer                data);
  77
  78 static SendProgressDialog *send_progress_dialog_create(void);
  79 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  80
  81 static void send_cancel_button_cb       (GtkWidget      *widget,
  82                                          gpointer        data);
  83
  84 static void send_put_error              (Session        *session);
  85
  86
  87 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  88 {
  89         FILE *fp;
  90         gint val;
  91
  92         g_return_val_if_fail(file != NULL, -1);
  93         g_return_val_if_fail(ac_prefs != NULL, -1);
  94         g_return_val_if_fail(to_list != NULL, -1);
  95
  96         if ((fp = g_fopen(file, "rb")) == NULL) {
  97                 FILE_OP_ERROR(file, "fopen");
  98                 return -1;
  99         }
 100
 101         inc_lock();
 102         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
 103             (*ac_prefs->mail_command)) {
 104                 val = send_message_local(ac_prefs->mail_command, fp);
 105                 fclose(fp);
 106                 inc_unlock();
 107                 return val;
 108         } else {
 109                 val = send_message_smtp(ac_prefs, to_list, fp);
 110
 111                 fclose(fp);
 112                 inc_unlock();
 113                 return val;
 114         }
 115 }
 116
 117 enum
 118 {
 119         Q_SENDER     = 0,
 120         Q_SMTPSERVER = 1,
 121         Q_RECIPIENTS = 2,
 122         Q_ACCOUNT_ID = 3
 123 };
 124
 125 gint send_message_local(const gchar *command, FILE *fp)
 126 {
 127         gchar **argv;
 128         GPid pid;
 129         gint child_stdin;
 130         gchar buf[BUFFSIZE];
 131         gboolean err = FALSE;
 132         gint status;
 133
 134         g_return_val_if_fail(command != NULL, -1);
 135         g_return_val_if_fail(fp != NULL, -1);
 136
 137         log_message(_("Sending message using command: %s\n"), command);
 138
 139         argv = strsplit_with_quote(command, " ", 0);
 140
 141         if (g_spawn_async_with_pipes(NULL, argv, NULL,
 142 #ifdef G_OS_WIN32
 143                                      0,
 144 #else
 145                                      G_SPAWN_DO_NOT_REAP_CHILD,
 146 #endif
 147                                      NULL, NULL,
 148                                      &pid, &child_stdin, NULL, NULL,
 149                                      NULL) == FALSE) {
 150                 g_snprintf(buf, sizeof(buf),
 151                            _("Can't execute command: %s"), command);
 152                 log_warning("%s\n", buf);
 153                 alertpanel_error("%s", buf);
 154                 g_strfreev(argv);
 155                 return -1;
 156         }
 157         g_strfreev(argv);
 158
 159         while (fgets(buf, sizeof(buf), fp) != NULL) {
 160                 strretchomp(buf);
 161                 if (buf[0] == '.' && buf[1] == '\0') {
 162                         if (fd_write_all(child_stdin, ".", 1) < 0) {
 163                                 err = TRUE;
 164                                 break;
 165                         }
 166                 }
 167                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
 168                     fd_write_all(child_stdin, "\n", 1) < 0) {
 169                         err = TRUE;
 170                         break;
 171                 }
 172         }
 173
 174         fd_close(child_stdin);
 175
 176 #ifndef G_OS_WIN32
 177         waitpid(pid, &status, 0);
 178         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
 179                 err = TRUE;
 180 #endif
 181
 182         g_spawn_close_pid(pid);
 183
 184         if (err) {
 185                 g_snprintf(buf, sizeof(buf),
 186                            _("Error occurred while executing command: %s"),
 187                            command);
 188                 log_warning("%s\n", buf);
 189                 alertpanel_error("%s", buf);
 190                 return -1;
 191         }
 192
 193         return 0;
 194 }
 195
 196 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 197 {
 198         Session *session;
 199         SMTPSession *smtp_session;
 200         gushort port = 0;
 201         SendProgressDialog *dialog;
 202         gchar buf[BUFFSIZE];
 203         gint ret = 0;
 204         gboolean was_inited = FALSE;
 205
 206         g_return_val_if_fail(ac_prefs != NULL, -1);
 207         g_return_val_if_fail(ac_prefs->address != NULL, -1);
 208         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 209         g_return_val_if_fail(to_list != NULL, -1);
 210         g_return_val_if_fail(fp != NULL, -1);
 211
 212         if (!ac_prefs->session) {
 213                 /* we can't reuse a previously initialised session */
 214                 session = smtp_session_new();
 215                 smtp_session = SMTP_SESSION(session);
 216
 217                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
 218                         smtp_session->hostname = g_strdup(ac_prefs->domain);
 219                 } else {
 220                         smtp_session->hostname = NULL;
 221                 }
 222
 223                 if (ac_prefs->use_smtp_auth) {
 224                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 225                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 226                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 227                                 if (ac_prefs->smtp_passwd)
 228                                         smtp_session->pass =
 229                                                 g_strdup(ac_prefs->smtp_passwd);
 230                                 else if (ac_prefs->tmp_smtp_pass)
 231                                         smtp_session->pass =
 232                                                 g_strdup(ac_prefs->tmp_smtp_pass);
 233                                 else {
 234                                         smtp_session->pass =
 235                                                 input_dialog_query_password
 236                                                         (ac_prefs->smtp_server,
 237                                                          smtp_session->user);
 238                                         if (!smtp_session->pass) {
 239                                                 session_destroy(session);
 240                                                 return -1;
 241                                         }
 242                                         ac_prefs->tmp_smtp_pass =
 243                                                 g_strdup(smtp_session->pass);
 244                                 }
 245                         } else {
 246                                 smtp_session->user = g_strdup(ac_prefs->userid);
 247                                 if (ac_prefs->passwd)
 248                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
 249                                 else if (ac_prefs->tmp_pass)
 250                                         smtp_session->pass =
 251                                                 g_strdup(ac_prefs->tmp_pass);
 252                                 else {
 253                                         smtp_session->pass =
 254                                                 input_dialog_query_password
 255                                                         (ac_prefs->smtp_server,
 256                                                          smtp_session->user);
 257                                         if (!smtp_session->pass) {
 258                                                 session_destroy(session);
 259                                                 return -1;
 260                                         }
 261                                         ac_prefs->tmp_pass =
 262                                                 g_strdup(smtp_session->pass);
 263                                 }
 264                         }
 265                 } else {
 266                         smtp_session->user = NULL;
 267                         smtp_session->pass = NULL;
 268                 }
 269
 270         #if USE_OPENSSL
 271                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 272                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 273                 session->ssl_type = ac_prefs->ssl_smtp;
 274                 if (ac_prefs->ssl_smtp != SSL_NONE)
 275                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 276         #else
 277                 if (ac_prefs->ssl_smtp != SSL_NONE) {
 278                         if (alertpanel_full(_("Insecure connection"),
 279                                 _("This connection is configured to be secured "
 280                                   "using SSL, but SSL is not available in this "
 281                                   "build of Sylpheed-Claws. \n\n"
 282                                   "Do you want to continue connecting to this "
 283                                   "server? The communication would not be "
 284                                   "secure."),
 285                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
 286                                   NULL, FALSE, NULL, ALERT_WARNING,
 287                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
 288                                 session_destroy(session);
 289                                 return -1;
 290                         }
 291                 }
 292                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 293         #endif
 294
 295                 dialog = send_progress_dialog_create();
 296                 dialog->session = session;
 297                 smtp_session->dialog = dialog;
 298
 299                 progress_dialog_list_set(dialog->dialog, 0, NULL,
 300                                          ac_prefs->smtp_server,
 301                                          _("Connecting"));
 302
 303                 if (ac_prefs->pop_before_smtp
 304                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
 305                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 306                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 307                         log_message(buf);
 308                         progress_dialog_set_label(dialog->dialog, buf);
 309                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
 310                         GTK_EVENTS_FLUSH();
 311                         inc_pop_before_smtp(ac_prefs);
 312                 }
 313
 314                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 315                            ac_prefs->smtp_server);
 316                 progress_dialog_set_label(dialog->dialog, buf);
 317                 log_message("%s\n", buf);
 318
 319                 session_set_recv_message_notify(session, send_recv_message, dialog);
 320                 session_set_send_data_progressive_notify
 321                         (session, send_send_data_progressive, dialog);
 322                 session_set_send_data_notify(session, send_send_data_finished, dialog);
 323
 324                 ac_prefs->session = SMTP_SESSION(session);
 325         } else {
 326                 /* everything is ready to start at MAIL FROM:, just
 327                  * reinit useful variables.
 328                  */
 329                 session = SESSION(ac_prefs->session);
 330                 smtp_session = SMTP_SESSION(session);
 331                 smtp_session->state = SMTP_HELO;
 332                 dialog = (SendProgressDialog *)smtp_session->dialog;
 333                 was_inited = TRUE;
 334         }
 335
 336         /* This has to be initialised for every mail sent */
 337         smtp_session->from = g_strdup(ac_prefs->address);
 338         smtp_session->to_list = to_list;
 339         smtp_session->cur_to = to_list;
 340         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
 341         smtp_session->send_data_len = strlen(smtp_session->send_data);
 342
 343         /* connect if necessary */
 344         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 345                 session_destroy(session);
 346                 send_progress_dialog_destroy(dialog);
 347                 ac_prefs->session = NULL;
 348                 return -1;
 349         }
 350
 351         debug_print("send_message_smtp(): begin event loop\n");
 352
 353         if (was_inited) {
 354                 /* as the server is quiet, start sending ourselves */
 355                 smtp_from(smtp_session);
 356         }
 357
 358         while (session_is_connected(session) && dialog->cancelled == FALSE
 359                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 360                 gtk_main_iteration();
 361
 362         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 363                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
 364                         g_free(ac_prefs->tmp_smtp_pass);
 365                         ac_prefs->tmp_smtp_pass = NULL;
 366                 } else if (ac_prefs->tmp_pass) {
 367                         g_free(ac_prefs->tmp_pass);
 368                         ac_prefs->tmp_pass = NULL;
 369                 }
 370                 ret = -1;
 371         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 372                 log_message("%s\n", _("Mail sent successfully."));
 373                 ret = 0;
 374         } else if (session->state == SESSION_EOF &&
 375                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 376                 /* consider EOF right after QUIT successful */
 377                 log_warning("%s\n", _("Connection closed by the remote host."));
 378                 ret = 0;
 379         } else if (session->state == SESSION_ERROR ||
 380                    session->state == SESSION_EOF ||
 381                    session->state == SESSION_TIMEOUT ||
 382                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 383                    SMTP_SESSION(session)->error_val != SM_OK)
 384                 ret = -1;
 385         else if (dialog->cancelled == TRUE)
 386                 ret = -1;
 387
 388         if (ret == -1) {
 389                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
 390                 send_put_error(session);
 391                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
 392         }
 393
 394         /* if we should close the connection, let's do it.
 395          * Close it in case of error, too, as it helps reinitializing things
 396          * easier.
 397          */
 398         if (!keep_session || ret != 0) {
 399                 if (session_is_connected(session))
 400                         smtp_quit(smtp_session);
 401                 while (session_is_connected(session) && !dialog->cancelled)
 402                         gtk_main_iteration();
 403                 session_destroy(session);
 404                 ac_prefs->session = NULL;
 405                 send_progress_dialog_destroy(dialog);
 406         } else {
 407                 g_free(smtp_session->from);
 408                 g_free(smtp_session->send_data);
 409                 g_free(smtp_session->error_msg);
 410         }
 411
 412         statusbar_pop_all();
 413         statusbar_verbosity_set(FALSE);
 414         return ret;
 415 }
 416
 417 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 418 {
 419         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 420 }
 421
 422 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 423 {
 424         gchar buf[BUFFSIZE];
 425         SMTPSession *smtp_session = SMTP_SESSION(session);
 426         SendProgressDialog *dialog = (SendProgressDialog *)data;
 427         gchar *state_str = NULL;
 428
 429         g_return_val_if_fail(dialog != NULL, -1);
 430
 431         switch (smtp_session->state) {
 432         case SMTP_READY:
 433         case SMTP_CONNECTED:
 434                 return 0;
 435         case SMTP_HELO:
 436                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 437                 state_str = _("Authenticating");
 438                 statusbar_print_all(_("Sending message..."));
 439                 break;
 440         case SMTP_EHLO:
 441                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 442                 state_str = _("Authenticating");
 443                 statusbar_print_all(_("Sending message..."));
 444                 break;
 445         case SMTP_AUTH:
 446                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 447                 state_str = _("Authenticating");
 448                 break;
 449         case SMTP_FROM:
 450                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 451                 state_str = _("Sending");
 452                 break;
 453         case SMTP_RCPT:
 454                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 455                 state_str = _("Sending");
 456                 break;
 457         case SMTP_DATA:
 458         case SMTP_EOM:
 459                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 460                 state_str = _("Sending");
 461                 break;
 462         case SMTP_QUIT:
 463                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 464                 state_str = _("Quitting");
 465                 break;
 466         case SMTP_ERROR:
 467                 g_warning("send: error: %s\n", msg);
 468                 return 0;
 469         default:
 470                 return 0;
 471         }
 472
 473         progress_dialog_set_label(dialog->dialog, buf);
 474         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 475
 476         return 0;
 477 }
 478
 479 static gint send_send_data_progressive(Session *session, guint cur_len,
 480                                        guint total_len, gpointer data)
 481 {
 482         gchar buf[BUFFSIZE];
 483         SendProgressDialog *dialog = (SendProgressDialog *)data;
 484
 485         g_return_val_if_fail(dialog != NULL, -1);
 486
 487         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 488             SMTP_SESSION(session)->state != SMTP_EOM)
 489                 return 0;
 490
 491         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 492                    cur_len, total_len);
 493         progress_dialog_set_label(dialog->dialog, buf);
 494         progress_dialog_set_fraction
 495                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
 496
 497         return 0;
 498 }
 499
 500 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 501 {
 502         SendProgressDialog *dialog = (SendProgressDialog *)data;
 503
 504         g_return_val_if_fail(dialog != NULL, -1);
 505
 506         send_send_data_progressive(session, len, len, dialog);
 507         return 0;
 508 }
 509
 510 static SendProgressDialog *send_progress_dialog_create(void)
 511 {
 512         SendProgressDialog *dialog;
 513         ProgressDialog *progress;
 514
 515         dialog = g_new0(SendProgressDialog, 1);
 516
 517         progress = progress_dialog_create();
 518         gtk_window_set_title(GTK_WINDOW(progress->window),
 519                              _("Sending message"));
 520         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 521                          G_CALLBACK(send_cancel_button_cb), dialog);
 522         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 523                          G_CALLBACK(gtk_true), NULL);
 524         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 525         manage_window_set_transient(GTK_WINDOW(progress->window));
 526
 527         progress_dialog_get_fraction(progress);
 528
 529         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 530                 gtk_widget_show_now(progress->window);
 531         }
 532
 533         dialog->dialog = progress;
 534
 535         return dialog;
 536 }
 537
 538 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 539 {
 540         g_return_if_fail(dialog != NULL);
 541         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 542                 progress_dialog_destroy(dialog->dialog);
 543         }
 544         g_free(dialog);
 545 }
 546
 547 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 548 {
 549         SendProgressDialog *dialog = (SendProgressDialog *)data;
 550
 551         dialog->cancelled = TRUE;
 552 }
 553
 554 static void send_put_error(Session *session)
 555 {
 556         gchar *msg;
 557         gchar *log_msg = NULL;
 558         gchar *err_msg = NULL;
 559
 560         msg = SMTP_SESSION(session)->error_msg;
 561
 562         switch (SMTP_SESSION(session)->error_val) {
 563         case SM_ERROR:
 564         case SM_UNRECOVERABLE:
 565                 log_msg = _("Error occurred while sending the message.");
 566                 if (msg)
 567                         err_msg = g_strdup_printf
 568                                 (_("Error occurred while sending the message:\n%s"),
 569                                  msg);
 570                 else
 571                         err_msg = g_strdup(log_msg);
 572                 break;
 573         case SM_AUTHFAIL:
 574                 log_msg = _("Authentication failed.");
 575                 if (msg)
 576                         err_msg = g_strdup_printf
 577                                 (_("Authentication failed:\n%s"), msg);
 578                 else
 579                         err_msg = g_strdup(log_msg);
 580                 break;
 581         default:
 582                 switch (session->state) {
 583                 case SESSION_ERROR:
 584                         log_msg =
 585                                 _("Error occurred while sending the message.");
 586                         err_msg = g_strdup(log_msg);
 587                         break;
 588                 case SESSION_EOF:
 589                         log_msg = _("Connection closed by the remote host.");
 590                         err_msg = g_strdup(log_msg);
 591                         break;
 592                 case SESSION_TIMEOUT:
 593                         log_msg = _("Session timed out.");
 594                         err_msg = g_strdup(log_msg);
 595                         break;
 596                 default:
 597                         break;
 598                 }
 599                 break;
 600         }
 601
 602         if (log_msg)
 603                 log_warning("%s\n", log_msg);
 604         if (err_msg) {
 605                 alertpanel_error_log("%s", err_msg);
 606                 g_free(err_msg);
 607         }
 608 }
 609