cce79ad326aae846e1b69c794c8c869d2648184c
[claws.git] / src / send_message.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
17  * 
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/gtk.h>
29 #include <stdio.h>
30 #include <string.h>
31 #include <signal.h>
32 #include <sys/types.h>
33 #ifndef G_OS_WIN32
34 #include <sys/wait.h>
35 #endif
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         cm_return_val_if_fail(file != NULL, -1);
91         cm_return_val_if_fail(ac_prefs != NULL, -1);
92         cm_return_val_if_fail(to_list != NULL, -1);
93
94         if ((fp = g_fopen(file, "rb")) == NULL) {
95                 FILE_OP_ERROR(file, "fopen");
96                 return -1;
97         }
98
99         inc_lock();
100         if (ac_prefs->use_mail_command && ac_prefs->mail_command &&
101             (*ac_prefs->mail_command)) {
102                 val = send_message_local(ac_prefs->mail_command, fp);
103                 fclose(fp);
104                 inc_unlock();
105                 return val;
106         } else {
107                 val = send_message_smtp(ac_prefs, to_list, fp);
108                 
109                 fclose(fp);
110                 inc_unlock();
111                 return val;
112         }
113 }
114
115 enum
116 {
117         Q_SENDER     = 0,
118         Q_SMTPSERVER = 1,
119         Q_RECIPIENTS = 2,
120         Q_ACCOUNT_ID = 3
121 };
122
123 gint send_message_local(const gchar *command, FILE *fp)
124 {
125         gchar **argv;
126         GPid pid;
127         gint child_stdin;
128         gchar buf[BUFFSIZE];
129         gboolean err = FALSE;
130         gint status;
131
132         cm_return_val_if_fail(command != NULL, -1);
133         cm_return_val_if_fail(fp != NULL, -1);
134
135         log_message(LOG_PROTOCOL, _("Sending message using command: %s\n"), command);
136
137         argv = strsplit_with_quote(command, " ", 0);
138
139         if (g_spawn_async_with_pipes(NULL, argv, NULL,
140 #ifdef G_OS_WIN32
141                                      0,
142 #else
143                                      G_SPAWN_DO_NOT_REAP_CHILD,
144 #endif
145                                      NULL, NULL,
146                                      &pid, &child_stdin, NULL, NULL,
147                                      NULL) == FALSE) {
148                 g_snprintf(buf, sizeof(buf),
149                            _("Couldn't execute command: %s"), command);
150                 log_warning(LOG_PROTOCOL, "%s\n", buf);
151                 alertpanel_error("%s", buf);
152                 g_strfreev(argv);
153                 return -1;
154         }
155         g_strfreev(argv);
156
157         while (fgets(buf, sizeof(buf), fp) != NULL) {
158                 strretchomp(buf);
159                 if (buf[0] == '.' && buf[1] == '\0') {
160                         if (fd_write_all(child_stdin, ".", 1) < 0) {
161                                 err = TRUE;
162                                 break;
163                         }
164                 }
165                 if (fd_write_all(child_stdin, buf, strlen(buf)) < 0 ||
166                     fd_write_all(child_stdin, "\n", 1) < 0) {
167                         err = TRUE;
168                         break;
169                 }
170         }
171
172         fd_close(child_stdin);
173
174 #ifndef G_OS_WIN32
175         waitpid(pid, &status, 0);
176         if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
177                 err = TRUE;
178 #endif
179
180         g_spawn_close_pid(pid);
181
182         if (err) {
183                 g_snprintf(buf, sizeof(buf),
184                            _("Error occurred while executing command: %s"),
185                            command);
186                 log_warning(LOG_PROTOCOL, "%s\n", buf);
187                 alertpanel_error("%s", buf);
188                 return -1;
189         }
190
191         return 0;
192 }
193
194 gint send_message_smtp_full(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp, gboolean keep_session)
195 {
196         Session *session;
197         SMTPSession *smtp_session;
198         gushort port = 0;
199         SendProgressDialog *dialog;
200         gchar buf[BUFFSIZE];
201         gint ret = 0;
202         gboolean was_inited = FALSE;
203         MsgInfo *tmp_msginfo = NULL;
204         MsgFlags flags = {0, 0};
205         long fp_pos = 0;
206         gchar spec_from[BUFFSIZE];
207
208         cm_return_val_if_fail(ac_prefs != NULL, -1);
209         cm_return_val_if_fail(ac_prefs->address != NULL, -1);
210         cm_return_val_if_fail(ac_prefs->smtp_server != NULL, -1);
211         cm_return_val_if_fail(to_list != NULL, -1);
212         cm_return_val_if_fail(fp != NULL, -1);
213
214         /* get the From address used, not necessarily the ac_prefs',
215          * because it's editable. */
216
217         fp_pos = ftell(fp);
218         tmp_msginfo = procheader_parse_stream(fp, flags, FALSE, FALSE);
219         fseek(fp, fp_pos, SEEK_SET);
220         
221         if (tmp_msginfo && tmp_msginfo->from) {
222                 strncpy2(spec_from, tmp_msginfo->from, BUFFSIZE-1);
223                 extract_address(spec_from);
224         } else {
225                 strncpy2(spec_from, ac_prefs->address, BUFFSIZE-1);
226         }
227         if (tmp_msginfo) {
228                 procmsg_msginfo_free(tmp_msginfo);
229         }
230
231         if (!ac_prefs->session) {
232                 /* we can't reuse a previously initialised session */
233                 session = smtp_session_new(ac_prefs);
234                 smtp_session = SMTP_SESSION(session);
235
236                 if (ac_prefs->set_domain && ac_prefs->domain && strlen(ac_prefs->domain)) {
237                         smtp_session->hostname = g_strdup(ac_prefs->domain);
238                 } else {
239                         smtp_session->hostname = NULL;
240                 }
241
242                 if (ac_prefs->use_smtp_auth) {
243                         smtp_session->forced_auth_type = ac_prefs->smtp_auth_type;
244                         if (ac_prefs->smtp_userid && strlen(ac_prefs->smtp_userid)) {
245                                 smtp_session->user = g_strdup(ac_prefs->smtp_userid);
246                                 if (ac_prefs->smtp_passwd)
247                                         smtp_session->pass =
248                                                 g_strdup(ac_prefs->smtp_passwd);
249                                 else {
250                                         smtp_session->pass =
251                                                 input_dialog_query_password_keep
252                                                         (ac_prefs->smtp_server,
253                                                          smtp_session->user,
254                                                          &(ac_prefs->session_smtp_passwd));
255                                         if (!smtp_session->pass) {
256                                                 session_destroy(session);
257                                                 return -1;
258                                         }
259                                 }
260                         } else {
261                                 smtp_session->user = g_strdup(ac_prefs->userid);
262                                 if (ac_prefs->passwd)
263                                         smtp_session->pass = g_strdup(ac_prefs->passwd);
264                                 else {
265                                         smtp_session->pass =
266                                                 input_dialog_query_password_keep
267                                                         (ac_prefs->smtp_server,
268                                                          smtp_session->user,
269                                                          &(ac_prefs->session_smtp_passwd));
270                                         if (!smtp_session->pass) {
271                                                 session_destroy(session);
272                                                 return -1;
273                                         }
274                                 }
275                         }
276                 } else {
277                         smtp_session->user = NULL;
278                         smtp_session->pass = NULL;
279                 }
280
281 #ifdef USE_GNUTLS
282                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport :
283                         ac_prefs->ssl_smtp == SSL_TUNNEL ? SSMTP_PORT : SMTP_PORT;
284                 session->ssl_type = ac_prefs->ssl_smtp;
285                 if (ac_prefs->ssl_smtp != SSL_NONE)
286                         session->nonblocking = ac_prefs->use_nonblocking_ssl;
287 #else
288                 if (ac_prefs->ssl_smtp != SSL_NONE) {
289                         if (alertpanel_full(_("Insecure connection"),
290                                 _("This connection is configured to be secured "
291                                   "using SSL, but SSL is not available in this "
292                                   "build of Claws Mail. \n\n"
293                                   "Do you want to continue connecting to this "
294                                   "server? The communication would not be "
295                                   "secure."),
296                                   GTK_STOCK_CANCEL, _("Con_tinue connecting"),
297                                   NULL, FALSE, NULL, ALERT_WARNING,
298                                   G_ALERTDEFAULT) != G_ALERTALTERNATE) {
299                                 session_destroy(session);
300                                 return -1;
301                         }
302                 }
303                 port = ac_prefs->set_smtpport ? ac_prefs->smtpport : SMTP_PORT;
304 #endif
305
306                 dialog = send_progress_dialog_create();
307                 dialog->session = session;
308                 smtp_session->dialog = dialog;
309
310                 progress_dialog_list_set(dialog->dialog, 0, NULL, 
311                                          ac_prefs->smtp_server, 
312                                          _("Connecting"));
313
314                 if (ac_prefs->pop_before_smtp
315                     && (ac_prefs->protocol == A_APOP || ac_prefs->protocol == A_POP3)
316                     && (time(NULL) - ac_prefs->last_pop_login_time) > (60 * ac_prefs->pop_before_smtp_timeout)) {
317                         g_snprintf(buf, sizeof(buf), _("Doing POP before SMTP..."));
318                         log_message(LOG_PROTOCOL, "%s\n", buf);
319                         progress_dialog_set_label(dialog->dialog, buf);
320                         progress_dialog_list_set_status(dialog->dialog, 0, _("POP before SMTP"));
321                         GTK_EVENTS_FLUSH();
322                         inc_pop_before_smtp(ac_prefs);
323                 }
324
325                 g_snprintf(buf, sizeof(buf), _("Connecting to SMTP server: %s ..."),
326                            ac_prefs->smtp_server);
327                 progress_dialog_set_label(dialog->dialog, buf);
328                 log_message(LOG_PROTOCOL, "%s\n", buf);
329
330                 session_set_recv_message_notify(session, send_recv_message, dialog);
331                 session_set_send_data_progressive_notify
332                         (session, send_send_data_progressive, dialog);
333                 session_set_send_data_notify(session, send_send_data_finished, dialog);
334
335         } else {
336                 /* everything is ready to start at MAIL FROM:, just
337                  * reinit useful variables. 
338                  */
339                 session = SESSION(ac_prefs->session);
340                 ac_prefs->session = NULL;
341                 smtp_session = SMTP_SESSION(session);
342                 smtp_session->state = SMTP_HELO;
343                 dialog = (SendProgressDialog *)smtp_session->dialog;
344                 was_inited = TRUE;
345         }
346
347         /* This has to be initialised for every mail sent */
348         smtp_session->from = g_strdup(spec_from);
349         smtp_session->to_list = to_list;
350         smtp_session->cur_to = to_list;
351         smtp_session->send_data = (guchar *)get_outgoing_rfc2822_str(fp);
352         smtp_session->send_data_len = strlen((gchar *)smtp_session->send_data);
353
354         session_set_timeout(session,
355                             prefs_common.io_timeout_secs * 1000);
356         /* connect if necessary */
357         if (!was_inited && session_connect(session, ac_prefs->smtp_server, port) < 0) {
358                 session_destroy(session);
359                 send_progress_dialog_destroy(dialog);
360                 ac_prefs->session = NULL;
361                 return -1;
362         }
363
364         debug_print("send_message_smtp(): begin event loop\n");
365
366         if (was_inited) {
367                 /* as the server is quiet, start sending ourselves */
368                 smtp_from(smtp_session);
369         }
370
371         while (session_is_connected(session) && dialog->cancelled == FALSE
372                 && SMTP_SESSION(session)->state != SMTP_MAIL_SENT_OK)
373                 gtk_main_iteration();
374
375         if (SMTP_SESSION(session)->error_val == SM_AUTHFAIL) {
376                 if (ac_prefs->session_smtp_passwd) {
377                         g_free(ac_prefs->session_smtp_passwd);
378                         ac_prefs->session_smtp_passwd = NULL;
379                 }
380                 ret = -1;
381         } else if (SMTP_SESSION(session)->state == SMTP_MAIL_SENT_OK) {
382                 log_message(LOG_PROTOCOL, "%s\n", _("Mail sent successfully."));
383                 ret = 0;
384         } else if (session->state == SESSION_EOF &&
385                    SMTP_SESSION(session)->state == SMTP_QUIT) {
386                 /* consider EOF right after QUIT successful */
387                 log_warning(LOG_PROTOCOL, "%s\n", _("Connection closed by the remote host."));
388                 ret = 0;
389         } else if (session->state == SESSION_ERROR ||
390                    session->state == SESSION_EOF ||
391                    session->state == SESSION_TIMEOUT ||
392                    SMTP_SESSION(session)->state == SMTP_ERROR ||
393                    SMTP_SESSION(session)->error_val != SM_OK)
394                 ret = -1;
395         else if (dialog->cancelled == TRUE)
396                 ret = -1;
397
398         if (ret == -1) {
399                 manage_window_focus_in(dialog->dialog->window, NULL, NULL);
400                 send_put_error(session);
401                 manage_window_focus_out(dialog->dialog->window, NULL, NULL);
402         }
403
404         /* if we should close the connection, let's do it.
405          * Close it in case of error, too, as it helps reinitializing things
406          * easier.
407          */
408         if (!keep_session || ret != 0) {
409                 if (session_is_connected(session))
410                         smtp_quit(smtp_session);
411                 while (session_is_connected(session) && !dialog->cancelled)
412                         gtk_main_iteration();
413                 session_destroy(session);
414                 ac_prefs->session = NULL;
415                 send_progress_dialog_destroy(dialog);
416         } else {
417                 g_free(smtp_session->from);
418                 g_free(smtp_session->send_data);
419                 g_free(smtp_session->error_msg);
420         }
421         if (keep_session && ret == 0 && ac_prefs->session == NULL)
422                 ac_prefs->session = SMTP_SESSION(session);
423
424
425         statuswindow_pop_all();
426         statusbar_verbosity_set(FALSE);
427         return ret;
428 }
429
430 gint send_message_smtp(PrefsAccount *ac_prefs, GSList *to_list, FILE *fp)
431 {
432         return send_message_smtp_full(ac_prefs, to_list, fp, FALSE);
433 }
434
435 static gint send_recv_message(Session *session, const gchar *msg, gpointer data)
436 {
437         gchar buf[BUFFSIZE];
438         SMTPSession *smtp_session = SMTP_SESSION(session);
439         SendProgressDialog *dialog = (SendProgressDialog *)data;
440         gchar *state_str = NULL;
441
442         cm_return_val_if_fail(dialog != NULL, -1);
443
444         switch (smtp_session->state) {
445         case SMTP_READY:
446         case SMTP_CONNECTED:
447                 return 0;
448         case SMTP_HELO:
449                 g_snprintf(buf, sizeof(buf), _("Sending HELO..."));
450                 state_str = _("Authenticating");
451                 statuswindow_print_all(_("Sending message..."));
452                 break;
453         case SMTP_EHLO:
454                 g_snprintf(buf, sizeof(buf), _("Sending EHLO..."));
455                 state_str = _("Authenticating");
456                 statuswindow_print_all(_("Sending message..."));
457                 break;
458         case SMTP_AUTH:
459                 g_snprintf(buf, sizeof(buf), _("Authenticating..."));
460                 state_str = _("Authenticating");
461                 break;
462         case SMTP_FROM:
463                 g_snprintf(buf, sizeof(buf), _("Sending MAIL FROM..."));
464                 state_str = _("Sending");
465                 break;
466         case SMTP_RCPT:
467                 g_snprintf(buf, sizeof(buf), _("Sending RCPT TO..."));
468                 state_str = _("Sending");
469                 break;
470         case SMTP_DATA:
471         case SMTP_EOM:
472                 g_snprintf(buf, sizeof(buf), _("Sending DATA..."));
473                 state_str = _("Sending");
474                 break;
475         case SMTP_QUIT:
476                 g_snprintf(buf, sizeof(buf), _("Quitting..."));
477                 state_str = _("Quitting");
478                 break;
479         case SMTP_ERROR:
480                 g_warning("send: error: %s\n", msg);
481                 return 0;
482         default:
483                 return 0;
484         }
485
486         progress_dialog_set_label(dialog->dialog, buf);
487         progress_dialog_list_set_status(dialog->dialog, 0, state_str);
488
489         return 0;
490 }
491
492 static gint send_send_data_progressive(Session *session, guint cur_len,
493                                        guint total_len, gpointer data)
494 {
495         gchar buf[BUFFSIZE];
496         SendProgressDialog *dialog = (SendProgressDialog *)data;
497         MainWindow *mainwin = mainwindow_get_mainwindow();
498         
499         cm_return_val_if_fail(dialog != NULL, -1);
500
501         if (SMTP_SESSION(session)->state != SMTP_SEND_DATA &&
502             SMTP_SESSION(session)->state != SMTP_EOM)
503                 return 0;
504
505         g_snprintf(buf, sizeof(buf), _("Sending message (%d / %d bytes)"),
506                    cur_len, total_len);
507         progress_dialog_set_label(dialog->dialog, buf);
508         progress_dialog_set_fraction
509                 (dialog->dialog, (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
510
511         if (mainwin)
512                 gtk_progress_bar_set_fraction
513                         (GTK_PROGRESS_BAR(mainwin->progressbar),
514                          (total_len == 0) ? 0 : (gfloat)cur_len / (gfloat)total_len);
515
516         return 0;
517 }
518
519 static gint send_send_data_finished(Session *session, guint len, gpointer data)
520 {
521         SendProgressDialog *dialog = (SendProgressDialog *)data;
522         MainWindow *mainwin = mainwindow_get_mainwindow();
523
524         cm_return_val_if_fail(dialog != NULL, -1);
525
526         send_send_data_progressive(session, len, len, dialog);
527         if (mainwin)
528                 gtk_progress_bar_set_fraction
529                         (GTK_PROGRESS_BAR(mainwin->progressbar),(gfloat)0);
530
531         return 0;
532 }
533
534 static void send_progress_dialog_size_allocate_cb(GtkWidget *widget,
535                                          GtkAllocation *allocation)
536 {
537         cm_return_if_fail(allocation != NULL);
538
539         prefs_common.sendwin_width = allocation->width;
540         prefs_common.sendwin_height = allocation->height;
541 }
542
543 static SendProgressDialog *send_progress_dialog_create(void)
544 {
545         SendProgressDialog *dialog;
546         ProgressDialog *progress;
547         static GdkGeometry geometry;
548
549         dialog = g_new0(SendProgressDialog, 1);
550
551         progress = progress_dialog_create();
552         gtk_window_set_title(GTK_WINDOW(progress->window),
553                              _("Sending message"));
554         g_signal_connect(G_OBJECT(progress->cancel_btn), "clicked",
555                          G_CALLBACK(send_cancel_button_cb), dialog);
556         g_signal_connect(G_OBJECT(progress->window), "delete_event",
557                          G_CALLBACK(gtk_true), NULL);
558         gtk_window_set_modal(GTK_WINDOW(progress->window), TRUE);
559         g_signal_connect(G_OBJECT(progress->window), "size_allocate",
560                          G_CALLBACK(send_progress_dialog_size_allocate_cb), NULL);
561         manage_window_set_transient(GTK_WINDOW(progress->window));
562
563         progress_dialog_get_fraction(progress);
564
565         if (!geometry.min_height) {
566                 geometry.min_width = 460;
567                 geometry.min_height = 250;
568         }
569
570         gtk_window_set_geometry_hints(GTK_WINDOW(progress->window), NULL, &geometry,
571                                       GDK_HINT_MIN_SIZE);
572         gtk_widget_set_size_request(progress->window, prefs_common.sendwin_width,
573                                     prefs_common.sendwin_height);
574
575         if (!prefs_common.send_dialog_invisible) {
576                 gtk_widget_show_now(progress->window);
577         }
578         
579         dialog->dialog = progress;
580
581         return dialog;
582 }
583
584 static void send_progress_dialog_destroy(SendProgressDialog *dialog)
585 {
586         cm_return_if_fail(dialog != NULL);
587         if (!prefs_common.send_dialog_invisible) {
588                 progress_dialog_destroy(dialog->dialog);
589         }
590         g_free(dialog);
591 }
592
593 static void send_cancel_button_cb(GtkWidget *widget, gpointer data)
594 {
595         SendProgressDialog *dialog = (SendProgressDialog *)data;
596
597         dialog->cancelled = TRUE;
598 }
599
600 static void send_put_error(Session *session)
601 {
602         gchar *msg;
603         gchar *log_msg = NULL;
604         gchar *err_msg = NULL;
605
606         msg = SMTP_SESSION(session)->error_msg;
607
608         switch (SMTP_SESSION(session)->error_val) {
609         case SM_ERROR:
610         case SM_UNRECOVERABLE:
611                 log_msg = _("Error occurred while sending the message.");
612                 if (msg)
613                         err_msg = g_strdup_printf
614                                 (_("Error occurred while sending the message:\n%s"),
615                                  msg);
616                 else
617                         err_msg = g_strdup(log_msg);
618                 break;
619         case SM_AUTHFAIL:
620                 log_msg = _("Authentication failed.");
621                 if (msg)
622                         err_msg = g_strdup_printf
623                                 (_("Authentication failed:\n%s"), msg);
624                 else
625                         err_msg = g_strdup(log_msg);
626                 break;
627         default:
628                 switch (session->state) {
629                 case SESSION_ERROR:
630                         log_msg =
631                                 _("Error occurred while sending the message.");
632                         err_msg = g_strdup(log_msg);
633                         break;
634                 case SESSION_EOF:
635                         log_msg = _("Connection closed by the remote host.");
636                         err_msg = g_strdup(log_msg);
637                         break;
638                 case SESSION_TIMEOUT:
639                         log_msg = _("Session timed out. You may be able to "
640                                     "recover by increasing the timeout value in "
641                                     "Preferences/Other.");
642                         err_msg = g_strdup(log_msg);
643                         break;
644                 default:
645                         break;
646                 }
647                 break;
648         }
649
650         if (err_msg) {
651                 log_error(LOG_PROTOCOL, "%s\n", err_msg);
652                 g_free(err_msg);
653         } else {
654                 if (log_msg)
655                         log_warning(LOG_PROTOCOL, "%s\n", log_msg);
656         }
657 }
658