src/send_message.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gtk/gtkclist.h>
  32 #include <stdio.h>
  33 #include <string.h>
  34 #include <signal.h>
  35
  36 #include "send_message.h"
  37 #include "session.h"
  38 #include "ssl.h"
  39 #include "smtp.h"
  40 #include "prefs_common.h"
  41 #include "prefs_account.h"
  42 #include "procheader.h"
  43 #include "account.h"
  44 #include "progressdialog.h"
  45 #include "statusbar.h"
  46 #include "inputdialog.h"
  47 #include "alertpanel.h"
  48 #include "manage_window.h"
  49 #include "utils.h"
  50 #include "gtkutils.h"
  51 #include "inc.h"
  52 #include "log.h"
  53
  54 typedef struct _SendProgressDialog      SendProgressDialog;
  55
  56 struct _SendProgressDialog
  57 {
  58         ProgressDialog *dialog;
  59         Session *session;
  60         gboolean cancelled;
  61 };
  62
  63 static gint send_recv_message           (Session                *session,
  64                                          const gchar            *msg,
  65                                          gpointer                data);
  66 static gint send_send_data_progressive  (Session                *session,
  67                                          guint                   cur_len,
  68                                          guint                   total_len,
  69                                          gpointer                data);
  70 static gint send_send_data_finished     (Session                *session,
  71                                          guint                   len,
  72                                          gpointer                data);
  73
  74 static SendProgressDialog *send_progress_dialog_create(void);
  75 static void send_progress_dialog_destroy(SendProgressDialog *dialog);
  76
  77 static void send_cancel_button_cb       (GtkWidget      *widget,
  78                                          gpointer        data);
  79
  80 static void send_put_error              (Session        *session);
  81
  82
  83 gint send_message(const gchar *file, PrefsAccount *ac_prefs, GSList *to_list)
  84 {
  85         FILE *fp;
  86         gint val;
  87
  88         g_return_val_if_fail(file != NULL, -1);
  89         g_return_val_if_fail(ac_prefs != NULL, -1);
  90         g_return_val_if_fail(to_list != NULL, -1);
  91
  92         if ((fp = fopen(file, "rb")) == NULL) {
  93                 FILE_OP_ERROR(file, "fopen");
  94                 return -1;
  95         }
  96
  97         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
  98             (*ac_prefs->mail_command)) {
  99                 val = send_message_local(ac_prefs->mail_command, fp);
 100                 fclose(fp);
 101                 return val;
 102         } else {
 103                 val = send_message_smtp(ac_prefs, to_list, fp);
 104
 105                 fclose(fp);
 106                 return val;
 107         }
 108 }
 109
 110 enum
 111 {
 112         Q_SENDER     = 0,
 113         Q_SMTPSERVER = 1,
 114         Q_RECIPIENTS = 2,
 115         Q_ACCOUNT_ID = 3
 116 };
 117
 118 gint send_message_local(const gchar *command, FILE *fp)
 119 {
 120         FILE *pipefp;
 121         gchar buf[BUFFSIZE];
 122         int r;
 123         sigset_t osig, mask;
 124
 125         g_return_val_if_fail(command != NULL, -1);
 126         g_return_val_if_fail(fp != NULL, -1);
 127
 128         pipefp = popen(command, "w");
 129         if (!pipefp) {
 130                 g_warning("Can't execute external command: %s\n", command);
 131                 return -1;
 132         }
 133
 134         while (fgets(buf, sizeof(buf), fp) != NULL) {
 135                 strretchomp(buf);
 136                 fputs(buf, pipefp);
 137                 fputc('\n', pipefp);
 138         }
 139
 140         /* we need to block SIGCHLD, otherwise pspell's handler will wait()
 141          * the pipecommand away and pclose will return -1 because of its
 142          * failed wait4().
 143          */
 144         sigemptyset(&mask);
 145         sigaddset(&mask, SIGCHLD);
 146         sigprocmask(SIG_BLOCK, &mask, &osig);
 147
 148         r = pclose(pipefp);
 149
 150         sigprocmask(SIG_SETMASK, &osig, NULL);
 151         if (r != 0) {
 152                 g_warning("external command `%s' failed with code `%i'\n", command, r);
 153                 return -1;
 154         }
 155
 156         return 0;
 157 }
 158
 159 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
 160 {
 161         Session *session;
 162         SMTPSession *smtp_session;
 163         gushort port;
 164         SendProgressDialog *dialog;
 165         gchar buf[BUFFSIZE];
 166         gint ret = 0;
 167         gboolean was_inited = FALSE;
 168
 169         g_return_val_if_fail(ac_prefs != NULL, -1);
 170         g_return_val_if_fail(ac_prefs->address != NULL, -1);
 171         g_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
 172         g_return_val_if_fail(to_list != NULL, -1);
 173         g_return_val_if_fail(fp != NULL, -1);
 174
 175         if (!ac_prefs->session) {
 176                 /* we can't reuse a previously initialised session */
 177                 session = smtp_session_new();
 178                 smtp_session = SMTP_SESSION(session);
 179
 180                 smtp_session->hostname =
 181                         ac_prefs->set_domain ? g_strdup(ac_prefs->domain) : NULL;
 182
 183                 if (ac_prefs->use_smtp_auth) {
 184                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
 185                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
 186                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
 187                                 if (ac_prefs->smtp_passwd)
 188                                         smtp_session->pass =
 189                                                 g_strdup(ac_prefs->smtp_passwd);
 190                                 else if (ac_prefs->tmp_smtp_pass)
 191                                         smtp_session->pass =
 192                                                 g_strdup(ac_prefs->tmp_smtp_pass);
 193                                 else {
 194                                         smtp_session->pass =
 195                                                 input_dialog_query_password
 196                                                         (ac_prefs->smtp_server,
 197                                                          smtp_session->user);
 198                                         if (!smtp_session->pass)
 199                                                 smtp_session->pass = g_strdup("");
 200                                         ac_prefs->tmp_smtp_pass =
 201                                                 g_strdup(smtp_session->pass);
 202                                 }
 203                         } else {
 204                                 smtp_session->user = g_strdup(ac_prefs->userid);
 205                                 if (ac_prefs->passwd)
 206                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
 207                                 else if (ac_prefs->tmp_pass)
 208                                         smtp_session->pass =
 209                                                 g_strdup(ac_prefs->tmp_pass);
 210                                 else {
 211                                         smtp_session->pass =
 212                                                 input_dialog_query_password
 213                                                         (ac_prefs->smtp_server,
 214                                                          smtp_session->user);
 215                                         if (!smtp_session->pass)
 216                                                 smtp_session->pass = g_strdup("");
 217                                         ac_prefs->tmp_pass =
 218                                                 g_strdup(smtp_session->pass);
 219                                 }
 220                         }
 221                 } else {
 222                         smtp_session->user = NULL;
 223                         smtp_session->pass = NULL;
 224                 }
 225
 226         #if USE_OPENSSL
 227                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
 228                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
 229                 session->ssl_type = ac_prefs->ssl_smtp;
 230                 if (ac_prefs->ssl_smtp != SSL_NONE)
 231                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
 232         #else
 233                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
 234         #endif
 235
 236                 dialog = send_progress_dialog_create();
 237                 dialog->session = session;
 238                 smtp_session->dialog = dialog;
 239
 240                 progress_dialog_list_set(dialog->dialog, 0, NULL,
 241                                          ac_prefs->smtp_server,
 242                                          _("Connecting"));
 243
 244                 if (ac_prefs->pop_before_smtp
 245                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
 246                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
 247                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
 248                         log_message(buf);
 249                         progress_dialog_set_label(dialog->dialog, buf);
 250                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
 251                         GTK_EVENTS_FLUSH();
 252                         inc_pop_before_smtp(ac_prefs);
 253                 }
 254
 255                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
 256                            ac_prefs->smtp_server);
 257                 progress_dialog_set_label(dialog->dialog, buf);
 258                 log_message("%s\n", buf);
 259
 260                 session_set_recv_message_notify(session, send_recv_message, dialog);
 261                 session_set_send_data_progressive_notify
 262                         (session, send_send_data_progressive, dialog);
 263                 session_set_send_data_notify(session, send_send_data_finished, dialog);
 264
 265                 ac_prefs->session = SMTP_SESSION(session);
 266         } else {
 267                 /* everything is ready to start at MAIL FROM:, just
 268                  * reinit useful variables.
 269                  */
 270                 session = SESSION(ac_prefs->session);
 271                 smtp_session = SMTP_SESSION(session);
 272                 smtp_session->state = SMTP_HELO;
 273                 dialog = (SendProgressDialog *)smtp_session->dialog;
 274                 was_inited = TRUE;
 275         }
 276
 277         /* This has to be initialised for every mail sent */
 278         smtp_session->from = g_strdup(ac_prefs->address);
 279         smtp_session->to_list = to_list;
 280         smtp_session->cur_to = to_list;
 281         smtp_session->send_data = get_outgoing_rfc2822_str(fp);
 282         smtp_session->send_data_len = strlen(smtp_session->send_data);
 283
 284         /* connect if necessary */
 285         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
 286                 session_destroy(session);
 287                 send_progress_dialog_destroy(dialog);
 288                 return -1;
 289         }
 290
 291         debug_print("send_message_smtp(): begin event loop\n");
 292
 293         if (was_inited) {
 294                 /* as the server is quiet, start sending ourselves */
 295                 smtp_from(smtp_session);
 296         }
 297
 298         while (session_is_connected(session) && dialog->cancelled == FALSE
 299                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
 300                 gtk_main_iteration();
 301
 302         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
 303                 if (ac_prefs->smtp_userid && ac_prefs->tmp_smtp_pass) {
 304                         g_free(ac_prefs->tmp_smtp_pass);
 305                         ac_prefs->tmp_smtp_pass = NULL;
 306                 }
 307                 ret = -1;
 308         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
 309                 log_message("%s\n", _("Mail sent successfully."));
 310                 ret = 0;
 311         } else if (session->state == SESSION_EOF &&
 312                    SMTP_SESSION(session)->state == SMTP_QUIT) {
 313                 /* consider EOF right after QUIT successful */
 314                 log_warning("%s\n", _("Connection closed by the remote host."));
 315                 ret = 0;
 316         } else if (session->state == SESSION_ERROR ||
 317                    session->state == SESSION_EOF ||
 318                    session->state == SESSION_TIMEOUT ||
 319                    SMTP_SESSION(session)->state == SMTP_ERROR ||
 320                    SMTP_SESSION(session)->error_val != SM_OK)
 321                 ret = -1;
 322         else if (dialog->cancelled == TRUE)
 323                 ret = -1;
 324
 325         if (ret == -1) {
 326                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
 327                 send_put_error(session);
 328                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
 329         }
 330
 331         /* if we should close the connection, let's do it.
 332          * Close it in case of error, too, as it helps reinitializing things
 333          * easier.
 334          */
 335         if (!keep_session || ret != 0) {
 336                 smtp_quit(session);
 337                 while (session_is_connected(session))
 338                         gtk_main_iteration();
 339                 session_destroy(session);
 340                 ac_prefs->session = NULL;
 341                 send_progress_dialog_destroy(dialog);
 342         } else {
 343                 g_free(smtp_session->from);
 344                 g_free(smtp_session->send_data);
 345                 g_free(smtp_session->error_msg);
 346         }
 347
 348         statusbar_pop_all();
 349         statusbar_verbosity_set(FALSE);
 350         return ret;
 351 }
 352
 353 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
 354 {
 355         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
 356 }
 357
 358 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
 359 {
 360         gchar buf[BUFFSIZE];
 361         SMTPSession *smtp_session = SMTP_SESSION(session);
 362         SendProgressDialog *dialog = (SendProgressDialog *)data;
 363         gchar *state_str = NULL;
 364
 365         g_return_val_if_fail(dialog != NULL, -1);
 366
 367         switch (smtp_session->state) {
 368         case SMTP_READY:
 369         case SMTP_CONNECTED:
 370                 return 0;
 371         case SMTP_HELO:
 372                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
 373                 state_str = _("Authenticating");
 374                 statusbar_print_all(_("Sending message..."));
 375                 break;
 376         case SMTP_EHLO:
 377                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
 378                 state_str = _("Authenticating");
 379                 statusbar_print_all(_("Sending message..."));
 380                 break;
 381         case SMTP_AUTH:
 382                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
 383                 state_str = _("Authenticating");
 384                 break;
 385         case SMTP_FROM:
 386                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
 387                 state_str = _("Sending");
 388                 break;
 389         case SMTP_RCPT:
 390                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
 391                 state_str = _("Sending");
 392                 break;
 393         case SMTP_DATA:
 394         case SMTP_EOM:
 395                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
 396                 state_str = _("Sending");
 397                 break;
 398         case SMTP_QUIT:
 399                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
 400                 state_str = _("Quitting");
 401                 break;
 402         case SMTP_ERROR:
 403                 g_warning("send: error: %s\n", msg);
 404                 return 0;
 405         default:
 406                 return 0;
 407         }
 408
 409         progress_dialog_set_label(dialog->dialog, buf);
 410         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
 411
 412         return 0;
 413 }
 414
 415 static gint send_send_data_progressive(Session *session, guint cur_len,
 416                                        guint total_len, gpointer data)
 417 {
 418         gchar buf[BUFFSIZE];
 419         SendProgressDialog *dialog = (SendProgressDialog *)data;
 420
 421         g_return_val_if_fail(dialog != NULL, -1);
 422
 423         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
 424             SMTP_SESSION(session)->state != SMTP_EOM)
 425                 return 0;
 426
 427         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
 428                    cur_len, total_len);
 429         progress_dialog_set_label(dialog->dialog, buf);
 430         progress_dialog_set_fraction
 431                 (dialog->dialog, (gfloat)cur_len / (gfloat)total_len);
 432
 433         return 0;
 434 }
 435
 436 static gint send_send_data_finished(Session *session, guint len, gpointer data)
 437 {
 438         SendProgressDialog *dialog = (SendProgressDialog *)data;
 439
 440         g_return_val_if_fail(dialog != NULL, -1);
 441
 442         send_send_data_progressive(session, len, len, dialog);
 443         return 0;
 444 }
 445
 446 static SendProgressDialog *send_progress_dialog_create(void)
 447 {
 448         SendProgressDialog *dialog;
 449         ProgressDialog *progress;
 450
 451         dialog = g_new0(SendProgressDialog, 1);
 452
 453         progress = progress_dialog_create();
 454         gtk_window_set_title(GTK_WINDOW(progress->window),
 455                              _("Sending message"));
 456         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
 457                          G_CALLBACK(send_cancel_button_cb), dialog);
 458         g_signal_connect(G_OBJECT(progress->window), "delete_event",
 459                          G_CALLBACK(gtk_true), NULL);
 460         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
 461         manage_window_set_transient(GTK_WINDOW(progress->window));
 462
 463         progress_dialog_get_fraction(progress);
 464
 465         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 466                 gtk_widget_show_now(progress->window);
 467         }
 468
 469         dialog->dialog = progress;
 470
 471         return dialog;
 472 }
 473
 474 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
 475 {
 476         g_return_if_fail(dialog != NULL);
 477         if (prefs_common.send_dialog_mode == SEND_DIALOG_ALWAYS) {
 478                 progress_dialog_destroy(dialog->dialog);
 479         }
 480         g_free(dialog);
 481 }
 482
 483 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
 484 {
 485         SendProgressDialog *dialog = (SendProgressDialog *)data;
 486
 487         dialog->cancelled = TRUE;
 488 }
 489
 490 static void send_put_error(Session *session)
 491 {
 492         gchar *msg;
 493         gchar *log_msg = NULL;
 494         gchar *err_msg = NULL;
 495
 496         msg = SMTP_SESSION(session)->error_msg;
 497
 498         switch (SMTP_SESSION(session)->error_val) {
 499         case SM_ERROR:
 500         case SM_UNRECOVERABLE:
 501                 log_msg = _("Error occurred while sending the message.");
 502                 if (msg)
 503                         err_msg = g_strdup_printf
 504                                 (_("Error occurred while sending the message:\n%s"),
 505                                  msg);
 506                 else
 507                         err_msg = g_strdup(log_msg);
 508                 break;
 509         case SM_AUTHFAIL:
 510                 log_msg = _("Authentication failed.");
 511                 if (msg)
 512                         err_msg = g_strdup_printf
 513                                 (_("Authentication failed:\n%s"), msg);
 514                 else
 515                         err_msg = g_strdup(log_msg);
 516                 break;
 517         default:
 518                 switch (session->state) {
 519                 case SESSION_ERROR:
 520                         log_msg =
 521                                 _("Error occurred while sending the message.");
 522                         err_msg = g_strdup(log_msg);
 523                         break;
 524                 case SESSION_EOF:
 525                         log_msg = _("Connection closed by the remote host.");
 526                         err_msg = g_strdup(log_msg);
 527                         break;
 528                 case SESSION_TIMEOUT:
 529                         log_msg = _("Session timed out.");
 530                         err_msg = g_strdup(log_msg);
 531                         break;
 532                 default:
 533                         break;
 534                 }
 535                 break;
 536         }
 537
 538         if (log_msg)
 539                 log_warning("%s\n", log_msg);
 540         if (err_msg) {
 541                 alertpanel_error_log("%s", err_msg);
 542                 g_free(err_msg);
 543         }
 544 }
 545