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hexchat/src/common/inbound.c

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/* X-Chat
* Copyright (C) 1998 Peter Zelezny.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <time.h>
#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#define WANTARPA
#define WANTDNS
#include "inet.h"
#include "hexchat.h"
#include "util.h"
#include "ignore.h"
#include "fe.h"
#include "modes.h"
#include "notify.h"
#include "outbound.h"
#include "inbound.h"
#include "server.h"
#include "servlist.h"
#include "text.h"
#include "ctcp.h"
#include "hexchatc.h"
#include "chanopt.h"
void
clear_channel (session *sess)
{
if (sess->channel[0])
strcpy (sess->waitchannel, sess->channel);
sess->channel[0] = 0;
sess->doing_who = FALSE;
sess->done_away_check = FALSE;
log_close (sess);
if (sess->current_modes)
{
g_free (sess->current_modes);
sess->current_modes = NULL;
}
if (sess->mode_timeout_tag)
{
fe_timeout_remove (sess->mode_timeout_tag);
sess->mode_timeout_tag = 0;
}
fe_clear_channel (sess);
userlist_clear (sess);
fe_set_nonchannel (sess, FALSE);
fe_set_title (sess);
}
void
set_topic (session *sess, char *topic, char *stripped_topic)
{
g_free (sess->topic);
sess->topic = g_strdup (stripped_topic);
fe_set_topic (sess, topic, stripped_topic);
}
static session *
find_session_from_nick (char *nick, server *serv)
{
session *sess;
GSList *list = sess_list;
sess = find_dialog (serv, nick);
if (sess)
return sess;
if (serv->front_session)
{
if (userlist_find (serv->front_session, nick))
return serv->front_session;
}
if (current_sess && current_sess->server == serv)
{
if (userlist_find (current_sess, nick))
return current_sess;
}
while (list)
{
sess = list->data;
if (sess->server == serv)
{
if (userlist_find (sess, nick))
return sess;
}
list = list->next;
}
return 0;
}
static session *
inbound_open_dialog (server *serv, char *from,
const message_tags_data *tags_data)
{
session *sess;
sess = new_ircwindow (serv, from, SESS_DIALOG, 0);
/* for playing sounds */
EMIT_SIGNAL_TIMESTAMP (XP_TE_OPENDIALOG, sess, NULL, NULL, NULL, NULL, 0,
tags_data->timestamp);
return sess;
}
static void
inbound_make_idtext (server *serv, char *idtext, int max, int id)
{
idtext[0] = 0;
if (serv->have_idmsg || serv->have_accnotify)
{
if (id)
{
safe_strcpy (idtext, prefs.hex_irc_id_ytext, max);
} else
{
safe_strcpy (idtext, prefs.hex_irc_id_ntext, max);
}
/* convert codes like %C,%U to the proper ones */
check_special_chars (idtext, TRUE);
}
}
void
inbound_privmsg (server *serv, char *from, char *ip, char *text, int id,
const message_tags_data *tags_data)
{
session *sess;
struct User *user;
char idtext[64];
gboolean nodiag = FALSE;
sess = find_dialog (serv, from);
if (sess || prefs.hex_gui_autoopen_dialog)
{
/*0=ctcp 1=priv will set hex_gui_autoopen_dialog=0 here is flud detected */
if (!sess)
{
if (flood_check (from, ip, serv, current_sess, 1))
/* Create a dialog session */
sess = inbound_open_dialog (serv, from, tags_data);
else
sess = serv->server_session;
if (!sess)
return; /* ?? */
}
if (ip && ip[0])
{
if (prefs.hex_irc_logging && sess->logfd != -1 &&
(!sess->topic || strcmp(sess->topic, ip)))
{
char tbuf[1024];
snprintf (tbuf, sizeof (tbuf), "[%s has address %s]\n", from, ip);
write (sess->logfd, tbuf, strlen (tbuf));
}
set_topic (sess, ip, ip);
}
inbound_chanmsg (serv, NULL, NULL, from, text, FALSE, id, tags_data);
return;
}
sess = find_session_from_nick (from, serv);
if (!sess)
{
sess = serv->front_session;
nodiag = TRUE; /* We don't want it to look like a normal message in front sess */
}
user = userlist_find (sess, from);
if (user)
{
user->lasttalk = time (0);
if (user->account)
id = TRUE;
}
inbound_make_idtext (serv, idtext, sizeof (idtext), id);
if (sess->type == SESS_DIALOG && !nodiag)
EMIT_SIGNAL_TIMESTAMP (XP_TE_DPRIVMSG, sess, from, text, idtext, NULL, 0,
tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_PRIVMSG, sess, from, text, idtext, NULL, 0,
tags_data->timestamp);
}
/* used for Alerts section. Masks can be separated by commas and spaces. */
gboolean
alert_match_word (char *word, char *masks)
{
char *p = masks;
char endchar;
int res;
if (masks[0] == 0)
return FALSE;
while (1)
{
/* if it's a 0, space or comma, the word has ended. */
if (*p == 0 || *p == ' ' || *p == ',')
{
endchar = *p;
*p = 0;
res = match (masks, word);
*p = endchar;
if (res)
return TRUE; /* yes, matched! */
masks = p + 1;
if (*p == 0)
return FALSE;
}
p++;
}
}
gboolean
alert_match_text (char *text, char *masks)
{
unsigned char *p = text;
unsigned char endchar;
int res;
if (masks[0] == 0)
return FALSE;
while (1)
{
if (*p >= '0' && *p <= '9')
{
p++;
continue;
}
/* if it's RFC1459 <special>, it can be inside a word */
switch (*p)
{
case '-': case '[': case ']': case '\\':
case '`': case '^': case '{': case '}':
case '_': case '|':
p++;
continue;
}
/* if it's a 0, space or comma, the word has ended. */
if (*p == 0 || *p == ' ' || *p == ',' ||
/* if it's anything BUT a letter, the word has ended. */
(!g_unichar_isalpha (g_utf8_get_char (p))))
{
endchar = *p;
*p = 0;
res = alert_match_word (text, masks);
*p = endchar;
if (res)
return TRUE; /* yes, matched! */
text = p + g_utf8_skip [p[0]];
if (*p == 0)
return FALSE;
}
p += g_utf8_skip [p[0]];
}
}
static int
is_hilight (char *from, char *text, session *sess, server *serv)
{
if (alert_match_word (from, prefs.hex_irc_no_hilight))
return 0;
text = strip_color (text, -1, STRIP_ALL);
if (alert_match_text (text, serv->nick) ||
alert_match_text (text, prefs.hex_irc_extra_hilight) ||
alert_match_word (from, prefs.hex_irc_nick_hilight))
{
g_free (text);
if (sess != current_tab)
{
sess->nick_said = TRUE;
lastact_update (sess);
}
fe_set_hilight (sess);
return 1;
}
g_free (text);
return 0;
}
void
inbound_action (session *sess, char *chan, char *from, char *ip, char *text,
int fromme, int id, const message_tags_data *tags_data)
{
session *def = sess;
server *serv = sess->server;
struct User *user;
char nickchar[2] = "\000";
char idtext[64];
int privaction = FALSE;
if (!fromme)
{
if (is_channel (serv, chan))
{
sess = find_channel (serv, chan);
} else
{
/* it's a private action! */
privaction = TRUE;
/* find a dialog tab for it */
sess = find_dialog (serv, from);
/* if non found, open a new one */
if (!sess && prefs.hex_gui_autoopen_dialog)
{
/* but only if it wouldn't flood */
if (flood_check (from, ip, serv, current_sess, 1))
sess = inbound_open_dialog (serv, from, tags_data);
else
sess = serv->server_session;
}
if (!sess)
{
sess = find_session_from_nick (from, serv);
/* still not good? */
if (!sess)
sess = serv->front_session;
}
}
}
if (!sess)
sess = def;
if (sess != current_tab)
{
if (fromme)
{
sess->msg_said = FALSE;
sess->new_data = TRUE;
} else
{
sess->msg_said = TRUE;
sess->new_data = FALSE;
}
lastact_update (sess);
}
user = userlist_find (sess, from);
if (user)
{
nickchar[0] = user->prefix[0];
user->lasttalk = time (0);
if (user->account)
id = TRUE;
if (user->me)
fromme = TRUE;
}
inbound_make_idtext (serv, idtext, sizeof (idtext), id);
if (!fromme && !privaction)
{
if (is_hilight (from, text, sess, serv))
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_HCHANACTION, sess, from, text, nickchar,
idtext, 0, tags_data->timestamp);
return;
}
}
if (fromme)
EMIT_SIGNAL_TIMESTAMP (XP_TE_UACTION, sess, from, text, nickchar, idtext,
0, tags_data->timestamp);
else if (!privaction)
EMIT_SIGNAL_TIMESTAMP (XP_TE_CHANACTION, sess, from, text, nickchar,
idtext, 0, tags_data->timestamp);
else if (sess->type == SESS_DIALOG)
EMIT_SIGNAL_TIMESTAMP (XP_TE_DPRIVACTION, sess, from, text, idtext, NULL,
0, tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_PRIVACTION, sess, from, text, idtext, NULL, 0,
tags_data->timestamp);
}
void
inbound_chanmsg (server *serv, session *sess, char *chan, char *from,
char *text, char fromme, int id,
const message_tags_data *tags_data)
{
struct User *user;
int hilight = FALSE;
char nickchar[2] = "\000";
char idtext[64];
if (!sess)
{
if (chan)
{
sess = find_channel (serv, chan);
if (!sess && !is_channel (serv, chan))
sess = find_dialog (serv, chan);
} else
{
sess = find_dialog (serv, from);
}
if (!sess)
return;
}
if (sess != current_tab)
{
sess->msg_said = TRUE;
sess->new_data = FALSE;
lastact_update (sess);
}
user = userlist_find (sess, from);
if (user)
{
if (user->account)
id = TRUE;
nickchar[0] = user->prefix[0];
user->lasttalk = time (0);
if (user->me)
fromme = TRUE;
}
if (fromme)
{
if (prefs.hex_away_auto_unmark && serv->is_away && !tags_data->timestamp)
sess->server->p_set_back (sess->server);
EMIT_SIGNAL_TIMESTAMP (XP_TE_UCHANMSG, sess, from, text, nickchar, NULL,
0, tags_data->timestamp);
return;
}
inbound_make_idtext (serv, idtext, sizeof (idtext), id);
if (is_hilight (from, text, sess, serv))
hilight = TRUE;
if (sess->type == SESS_DIALOG)
EMIT_SIGNAL_TIMESTAMP (XP_TE_DPRIVMSG, sess, from, text, idtext, NULL, 0,
tags_data->timestamp);
else if (hilight)
EMIT_SIGNAL_TIMESTAMP (XP_TE_HCHANMSG, sess, from, text, nickchar, idtext,
0, tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_CHANMSG, sess, from, text, nickchar, idtext,
0, tags_data->timestamp);
}
void
inbound_newnick (server *serv, char *nick, char *newnick, int quiet,
const message_tags_data *tags_data)
{
int me = FALSE;
session *sess;
GSList *list = sess_list;
if (!serv->p_cmp (nick, serv->nick))
{
me = TRUE;
safe_strcpy (serv->nick, newnick, NICKLEN);
}
while (list)
{
sess = list->data;
if (sess->server == serv)
{
if (userlist_change (sess, nick, newnick) || (me && sess->type == SESS_SERVER))
{
if (!quiet)
{
if (me)
EMIT_SIGNAL_TIMESTAMP (XP_TE_UCHANGENICK, sess, nick,
newnick, NULL, NULL, 0,
tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_CHANGENICK, sess, nick,
newnick, NULL, NULL, 0, tags_data->timestamp);
}
}
if (sess->type == SESS_DIALOG && !serv->p_cmp (sess->channel, nick))
{
safe_strcpy (sess->channel, newnick, CHANLEN);
fe_set_channel (sess);
}
fe_set_title (sess);
}
list = list->next;
}
dcc_change_nick (serv, nick, newnick);
if (me)
fe_set_nick (serv, newnick);
}
/* find a "<none>" tab */
static session *
find_unused_session (server *serv)
{
session *sess;
GSList *list = sess_list;
while (list)
{
sess = (session *) list->data;
if (sess->type == SESS_CHANNEL && sess->channel[0] == 0 &&
sess->server == serv)
{
if (sess->waitchannel[0] == 0)
return sess;
}
list = list->next;
}
return 0;
}
static session *
find_session_from_waitchannel (char *chan, struct server *serv)
{
session *sess;
GSList *list = sess_list;
while (list)
{
sess = (session *) list->data;
if (sess->server == serv && sess->channel[0] == 0 && sess->type == SESS_CHANNEL)
{
if (!serv->p_cmp (chan, sess->waitchannel))
return sess;
}
list = list->next;
}
return 0;
}
void
inbound_ujoin (server *serv, char *chan, char *nick, char *ip,
const message_tags_data *tags_data)
{
session *sess;
int found_unused = FALSE;
/* already joined? probably a bnc */
sess = find_channel (serv, chan);
if (!sess)
{
/* see if a window is waiting to join this channel */
sess = find_session_from_waitchannel (chan, serv);
if (!sess)
{
/* find a "<none>" tab and use that */
sess = find_unused_session (serv);
found_unused = sess != NULL;
if (!sess)
/* last resort, open a new tab/window */
sess = new_ircwindow (serv, chan, SESS_CHANNEL, 1);
}
}
safe_strcpy (sess->channel, chan, CHANLEN);
if (found_unused)
{
chanopt_load (sess);
scrollback_load (sess);
if (sess->scrollwritten && sess->scrollback_replay_marklast)
sess->scrollback_replay_marklast (sess);
}
fe_set_channel (sess);
fe_set_title (sess);
fe_set_nonchannel (sess, TRUE);
userlist_clear (sess);
log_open_or_close (sess);
sess->waitchannel[0] = 0;
sess->ignore_date = TRUE;
sess->ignore_mode = TRUE;
sess->ignore_names = TRUE;
sess->end_of_names = FALSE;
/* sends a MODE */
serv->p_join_info (sess->server, chan);
EMIT_SIGNAL_TIMESTAMP (XP_TE_UJOIN, sess, nick, chan, ip, NULL, 0,
tags_data->timestamp);
if (prefs.hex_irc_who_join)
{
/* sends WHO #channel */
serv->p_user_list (sess->server, chan);
sess->doing_who = TRUE;
}
}
void
inbound_ukick (server *serv, char *chan, char *kicker, char *reason,
const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
if (sess)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_UKICK, sess, serv->nick, chan, kicker,
reason, 0, tags_data->timestamp);
clear_channel (sess);
if (prefs.hex_irc_auto_rejoin)
{
serv->p_join (serv, chan, sess->channelkey);
safe_strcpy (sess->waitchannel, chan, CHANLEN);
}
}
}
void
inbound_upart (server *serv, char *chan, char *ip, char *reason,
const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
if (sess)
{
if (*reason)
EMIT_SIGNAL_TIMESTAMP (XP_TE_UPARTREASON, sess, serv->nick, ip, chan,
reason, 0, tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_UPART, sess, serv->nick, ip, chan, NULL,
0, tags_data->timestamp);
clear_channel (sess);
}
}
void
inbound_nameslist (server *serv, char *chan, char *names,
const message_tags_data *tags_data)
{
session *sess;
char **name_list;
char *host, *nopre_name;
char name[NICKLEN];
int i;
size_t offset;
sess = find_channel (serv, chan);
if (!sess)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_USERSONCHAN, serv->server_session, chan,
names, NULL, NULL, 0, tags_data->timestamp);
return;
}
if (!sess->ignore_names)
EMIT_SIGNAL_TIMESTAMP (XP_TE_USERSONCHAN, sess, chan, names, NULL, NULL,
0, tags_data->timestamp);
if (sess->end_of_names)
{
sess->end_of_names = FALSE;
userlist_clear (sess);
}
name_list = g_strsplit (names, " ", -1);
for (i = 0; name_list[i]; i++)
{
host = NULL;
offset = sizeof(name);
if (name_list[i][0] == 0)
continue;
if (serv->have_uhnames)
{
offset = 0;
nopre_name = name_list[i];
/* Ignore prefixes so '!' won't cause issues */
while (strchr (serv->nick_prefixes, *nopre_name) != NULL)
{
nopre_name++;
offset++;
}
offset += strcspn (nopre_name, "!");
if (offset++ < strlen (name_list[i]))
host = name_list[i] + offset;
}
g_strlcpy (name, name_list[i], MIN(offset, sizeof(name)));
userlist_add (sess, name, host, NULL, NULL, tags_data);
}
g_strfreev (name_list);
}
void
inbound_topic (server *serv, char *chan, char *topic_text,
const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
char *stripped_topic;
if (sess)
{
stripped_topic = strip_color (topic_text, -1, STRIP_ALL);
set_topic (sess, topic_text, stripped_topic);
g_free (stripped_topic);
} else
sess = serv->server_session;
EMIT_SIGNAL_TIMESTAMP (XP_TE_TOPIC, sess, chan, topic_text, NULL, NULL, 0,
tags_data->timestamp);
}
void
inbound_topicnew (server *serv, char *nick, char *chan, char *topic,
const message_tags_data *tags_data)
{
session *sess;
char *stripped_topic;
sess = find_channel (serv, chan);
if (sess)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_NEWTOPIC, sess, nick, topic, chan, NULL, 0,
tags_data->timestamp);
stripped_topic = strip_color (topic, -1, STRIP_ALL);
set_topic (sess, topic, stripped_topic);
g_free (stripped_topic);
}
}
void
inbound_join (server *serv, char *chan, char *user, char *ip, char *account,
char *realname, const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
if (sess)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_JOIN, sess, user, chan, ip, account, 0,
tags_data->timestamp);
userlist_add (sess, user, ip, account, realname, tags_data);
}
}
void
inbound_kick (server *serv, char *chan, char *user, char *kicker, char *reason,
const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
if (sess)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_KICK, sess, kicker, user, chan, reason, 0,
tags_data->timestamp);
userlist_remove (sess, user);
}
}
void
inbound_part (server *serv, char *chan, char *user, char *ip, char *reason,
const message_tags_data *tags_data)
{
session *sess = find_channel (serv, chan);
if (sess)
{
if (*reason)
EMIT_SIGNAL_TIMESTAMP (XP_TE_PARTREASON, sess, user, ip, chan, reason,
0, tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_PART, sess, user, ip, chan, NULL, 0,
tags_data->timestamp);
userlist_remove (sess, user);
}
}
void
inbound_topictime (server *serv, char *chan, char *nick, time_t stamp,
const message_tags_data *tags_data)
{
char *tim = ctime (&stamp);
session *sess = find_channel (serv, chan);
if (!sess)
sess = serv->server_session;
tim[24] = 0; /* get rid of the \n */
EMIT_SIGNAL_TIMESTAMP (XP_TE_TOPICDATE, sess, chan, nick, tim, NULL, 0,
tags_data->timestamp);
}
void
inbound_quit (server *serv, char *nick, char *ip, char *reason,
const message_tags_data *tags_data)
{
GSList *list = sess_list;
session *sess;
struct User *user;
int was_on_front_session = FALSE;
while (list)
{
sess = (session *) list->data;
if (sess->server == serv)
{
if (sess == current_sess)
was_on_front_session = TRUE;
if ((user = userlist_find (sess, nick)))
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_QUIT, sess, nick, reason, ip, NULL, 0,
tags_data->timestamp);
userlist_remove_user (sess, user);
} else if (sess->type == SESS_DIALOG && !serv->p_cmp (sess->channel, nick))
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_QUIT, sess, nick, reason, ip, NULL, 0,
tags_data->timestamp);
}
}
list = list->next;
}
notify_set_offline (serv, nick, was_on_front_session, tags_data);
}
void
inbound_account (server *serv, char *nick, char *account,
const message_tags_data *tags_data)
{
session *sess = NULL;
GSList *list;
list = sess_list;
while (list)
{
sess = list->data;
if (sess->server == serv)
userlist_set_account (sess, nick, account);
list = list->next;
}
}
void
inbound_ping_reply (session *sess, char *timestring, char *from,
const message_tags_data *tags_data)
{
unsigned long tim, nowtim, dif;
int lag = 0;
char outbuf[64];
if (strncmp (timestring, "LAG", 3) == 0)
{
timestring += 3;
lag = 1;
}
tim = strtoul (timestring, NULL, 10);
nowtim = make_ping_time ();
dif = nowtim - tim;
sess->server->ping_recv = time (0);
if (lag)
{
sess->server->lag_sent = 0;
sess->server->lag = dif;
fe_set_lag (sess->server, dif);
return;
}
if (atol (timestring) == 0)
{
if (sess->server->lag_sent)
sess->server->lag_sent = 0;
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_PINGREP, sess, from, "?", NULL, NULL, 0,
tags_data->timestamp);
} else
{
snprintf (outbuf, sizeof (outbuf), "%ld.%03ld", dif / 1000, dif % 1000);
EMIT_SIGNAL_TIMESTAMP (XP_TE_PINGREP, sess, from, outbuf, NULL, NULL, 0,
tags_data->timestamp);
}
}
static session *
find_session_from_type (int type, server *serv)
{
session *sess;
GSList *list = sess_list;
while (list)
{
sess = list->data;
if (sess->type == type && serv == sess->server)
return sess;
list = list->next;
}
return 0;
}
void
inbound_notice (server *serv, char *to, char *nick, char *msg, char *ip, int id,
const message_tags_data *tags_data)
{
char *po,*ptr=to;
session *sess = 0;
int server_notice = FALSE;
if (is_channel (serv, ptr))
sess = find_channel (serv, ptr);
/* /notice [mode-prefix]#channel should end up in that channel */
if (!sess && strchr(serv->nick_prefixes, ptr[0]) != NULL)
{
ptr++;
sess = find_channel (serv, ptr);
}
if (strcmp (nick, ip) == 0)
server_notice = TRUE;
if (!sess)
{
ptr = 0;
if (prefs.hex_irc_notice_pos == 0)
{
/* paranoia check */
if (msg[0] == '[' && (!serv->have_idmsg || id))
{
/* guess where chanserv meant to post this -sigh- */
if (!g_ascii_strcasecmp (nick, "ChanServ") && !find_dialog (serv, nick))
{
char *dest = g_strdup (msg + 1);
char *end = strchr (dest, ']');
if (end)
{
*end = 0;
sess = find_channel (serv, dest);
}
g_free (dest);
}
}
if (!sess)
sess = find_session_from_nick (nick, serv);
} else if (prefs.hex_irc_notice_pos == 1)
{
int stype = server_notice ? SESS_SNOTICES : SESS_NOTICES;
sess = find_session_from_type (stype, serv);
if (!sess)
{
if (stype == SESS_NOTICES)
sess = new_ircwindow (serv, "(notices)", SESS_NOTICES, 0);
else
sess = new_ircwindow (serv, "(snotices)", SESS_SNOTICES, 0);
fe_set_channel (sess);
fe_set_title (sess);
fe_set_nonchannel (sess, FALSE);
userlist_clear (sess);
log_open_or_close (sess);
}
/* Avoid redundancy with some Undernet notices */
if (!strncmp (msg, "*** Notice -- ", 14))
msg += 14;
} else
{
sess = serv->front_session;
}
if (!sess)
{
if (server_notice)
sess = serv->server_session;
else
sess = serv->front_session;
}
}
if (msg[0] == 1)
{
msg++;
if (!strncmp (msg, "PING", 4))
{
inbound_ping_reply (sess, msg + 5, nick, tags_data);
return;
}
}
po = strchr (msg, '\001');
if (po)
po[0] = 0;
if (server_notice)
EMIT_SIGNAL_TIMESTAMP (XP_TE_SERVNOTICE, sess, msg, nick, NULL, NULL, 0,
tags_data->timestamp);
else if (ptr)
EMIT_SIGNAL_TIMESTAMP (XP_TE_CHANNOTICE, sess, nick, to, msg, NULL, 0,
tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_NOTICE, sess, nick, msg, NULL, NULL, 0,
tags_data->timestamp);
}
void
inbound_away (server *serv, char *nick, char *msg,
const message_tags_data *tags_data)
{
struct away_msg *away = server_away_find_message (serv, nick);
session *sess = NULL;
GSList *list;
if (away && !strcmp (msg, away->message)) /* Seen the msg before? */
{
if (prefs.hex_away_show_once && !serv->inside_whois)
return;
} else
{
server_away_save_message (serv, nick, msg);
}
if (prefs.hex_irc_whois_front)
sess = serv->front_session;
else
{
if (!serv->inside_whois)
sess = find_session_from_nick (nick, serv);
if (!sess)
sess = serv->server_session;
}
/* possibly hide the output */
if (!serv->inside_whois || !serv->skip_next_whois)
EMIT_SIGNAL_TIMESTAMP (XP_TE_WHOIS5, sess, nick, msg, NULL, NULL, 0,
tags_data->timestamp);
list = sess_list;
while (list)
{
sess = list->data;
if (sess->server == serv)
userlist_set_away (sess, nick, TRUE);
list = list->next;
}
}
void
inbound_away_notify (server *serv, char *nick, char *reason,
const message_tags_data *tags_data)
{
session *sess = NULL;
GSList *list;
list = sess_list;
while (list)
{
sess = list->data;
if (sess->server == serv)
{
userlist_set_away (sess, nick, reason ? TRUE : FALSE);
if (sess == serv->front_session && notify_is_in_list (serv, nick))
{
if (reason)
EMIT_SIGNAL_TIMESTAMP (XP_TE_NOTIFYAWAY, sess, nick, reason, NULL,
NULL, 0, tags_data->timestamp);
else
EMIT_SIGNAL_TIMESTAMP (XP_TE_NOTIFYBACK, sess, nick, NULL, NULL,
NULL, 0, tags_data->timestamp);
}
}
list = list->next;
}
}
int
inbound_nameslist_end (server *serv, char *chan,
const message_tags_data *tags_data)
{
session *sess;
GSList *list;
if (!strcmp (chan, "*"))
{
list = sess_list;
while (list)
{
sess = list->data;
if (sess->server == serv)
{
sess->end_of_names = TRUE;
sess->ignore_names = FALSE;
}
list = list->next;
}
return TRUE;
}
sess = find_channel (serv, chan);
if (sess)
{
sess->end_of_names = TRUE;
sess->ignore_names = FALSE;
return TRUE;
}
return FALSE;
}
static gboolean
check_autojoin_channels (server *serv)
{
int i = 0;
session *sess;
GSList *list = sess_list;
GSList *sess_channels = NULL; /* joined channels that are not in the favorites list */
favchannel *fav;
/* shouldn't really happen, the io tag is destroyed in server.c */
if (!is_server (serv))
{
return FALSE;
}
/* If there's a session (i.e. this is a reconnect), autojoin to everything that was open previously. */
while (list)
{
sess = list->data;
if (sess->server == serv)
{
if (sess->willjoinchannel[0] != 0)
{
strcpy (sess->waitchannel, sess->willjoinchannel);
sess->willjoinchannel[0] = 0;
fav = servlist_favchan_find (serv->network, sess->waitchannel, NULL); /* Is this channel in our favorites? */
/* session->channelkey is initially unset for channels joined from the favorites. You have to fill them up manually from favorites settings. */
if (fav)
{
/* session->channelkey is set if there was a key change during the session. In that case, use the session key, not the one from favorites. */
if (fav->key && !strlen (sess->channelkey))
{
safe_strcpy (sess->channelkey, fav->key, sizeof (sess->channelkey));
}
}
/* for easier checks, ensure that favchannel->key is just NULL when session->channelkey is empty i.e. '' */
if (strlen (sess->channelkey))
{
sess_channels = servlist_favchan_listadd (sess_channels, sess->waitchannel, sess->channelkey);
}
else
{
sess_channels = servlist_favchan_listadd (sess_channels, sess->waitchannel, NULL);
}
i++;
}
}
list = list->next;
}
if (sess_channels)
{
serv->p_join_list (serv, sess_channels);
g_slist_free_full (sess_channels, (GDestroyNotify) servlist_favchan_free);
}
else
{
/* If there's no session, just autojoin to favorites. */
if (serv->favlist)
{
serv->p_join_list (serv, serv->favlist);
i++;
/* FIXME this is not going to work and is not needed either. server_free() does the job already. */
/* g_slist_free_full (serv->favlist, (GDestroyNotify) servlist_favchan_free); */
}
}
serv->joindelay_tag = 0;
fe_server_event (serv, FE_SE_LOGGEDIN, i);
return FALSE;
}
void
inbound_next_nick (session *sess, char *nick, int error,
const message_tags_data *tags_data)
{
char *newnick;
server *serv = sess->server;
ircnet *net;
serv->nickcount++;
switch (serv->nickcount)
{
case 2:
newnick = prefs.hex_irc_nick2;
net = serv->network;
/* use network specific "Second choice"? */
if (net && !(net->flags & FLAG_USE_GLOBAL) && net->nick2)
{
newnick = net->nick2;
}
serv->p_change_nick (serv, newnick);
if (error)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_NICKERROR, sess, nick, newnick, NULL, NULL,
0, tags_data->timestamp);
}
else
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_NICKCLASH, sess, nick, newnick, NULL, NULL,
0, tags_data->timestamp);
}
break;
case 3:
serv->p_change_nick (serv, prefs.hex_irc_nick3);
if (error)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_NICKERROR, sess, nick, prefs.hex_irc_nick3,
NULL, NULL, 0, tags_data->timestamp);
}
else
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_NICKCLASH, sess, nick, prefs.hex_irc_nick3,
NULL, NULL, 0, tags_data->timestamp);
}
break;
default:
EMIT_SIGNAL_TIMESTAMP (XP_TE_NICKFAIL, sess, NULL, NULL, NULL, NULL, 0,
tags_data->timestamp);
}
}
static void
dns_addr_callback (GObject *obj, GAsyncResult *result, gpointer user_data)
{
GResolver *resolver = G_RESOLVER(obj);
session *sess = (session*)user_data;
gchar *addr;
g_return_if_fail (is_session(sess));
addr = g_resolver_lookup_by_address_finish (resolver, result, NULL);
if (addr)
PrintTextf (sess, _("Resolved to %s"), addr);
else
PrintText (sess, _("Not found"));
}
static void
dns_name_callback (GObject *obj, GAsyncResult *result, gpointer user_data)
{
GResolver *resolver = G_RESOLVER(obj);
session *sess = (session*)user_data;
GList* addrs;
gchar* addr;
GList* list;
g_return_if_fail (is_session (sess));
addrs = g_resolver_lookup_by_name_finish (resolver, result, NULL);
if (addrs)
{
PrintText (sess, _("Resolved to:"));
for (list = g_list_first (addrs); list; list = g_list_next (list))
{
addr = g_inet_address_to_string (list->data);
PrintTextf (sess, " %s", addr);
}
g_resolver_free_addresses (addrs);
}
else
PrintText (sess, _("Not found"));
}
void
do_dns (session *sess, char *nick, char *host,
const message_tags_data *tags_data)
{
GResolver *res = g_resolver_get_default ();
GInetAddress *addr;
char *po;
po = strrchr (host, '@');
if (po)
host = po + 1;
if (nick)
EMIT_SIGNAL_TIMESTAMP (XP_TE_RESOLVINGUSER, sess, nick, host, NULL, NULL, 0,
tags_data->timestamp);
PrintTextf (sess, _("Looking up %s..."), host);
addr = g_inet_address_new_from_string (host);
if (addr)
g_resolver_lookup_by_address_async (res, addr, NULL, dns_addr_callback, sess);
else
g_resolver_lookup_by_name_async (res, host, NULL, dns_name_callback, sess);
}
static void
set_default_modes (server *serv)
{
char modes[8];
modes[0] = '+';
modes[1] = '\0';
if (prefs.hex_irc_wallops)
strcat (modes, "w");
if (prefs.hex_irc_servernotice)
strcat (modes, "s");
if (prefs.hex_irc_invisible)
strcat (modes, "i");
if (prefs.hex_irc_hidehost)
strcat (modes, "x");
if (modes[1] != '\0')
{
serv->p_mode (serv, serv->nick, modes);
}
}
void
inbound_login_start (session *sess, char *nick, char *servname,
const message_tags_data *tags_data)
{
inbound_newnick (sess->server, sess->server->nick, nick, TRUE, tags_data);
server_set_name (sess->server, servname);
if (sess->type == SESS_SERVER)
log_open_or_close (sess);
/* reset our away status */
if (sess->server->reconnect_away)
{
handle_command (sess->server->server_session, "away", FALSE);
sess->server->reconnect_away = FALSE;
}
}
static void
inbound_set_all_away_status (server *serv, char *nick, unsigned int status)
{
GSList *list;
session *sess;
list = sess_list;
while (list)
{
sess = list->data;
if (sess->server == serv)
userlist_set_away (sess, nick, status);
list = list->next;
}
}
void
inbound_uaway (server *serv, const message_tags_data *tags_data)
{
serv->is_away = TRUE;
serv->away_time = time (NULL);
fe_set_away (serv);
inbound_set_all_away_status (serv, serv->nick, 1);
}
void
inbound_uback (server *serv, const message_tags_data *tags_data)
{
serv->is_away = FALSE;
serv->reconnect_away = FALSE;
fe_set_away (serv);
inbound_set_all_away_status (serv, serv->nick, 0);
}
void
inbound_foundip (session *sess, char *ip, const message_tags_data *tags_data)
{
struct hostent *HostAddr;
HostAddr = gethostbyname (ip);
if (HostAddr)
{
prefs.dcc_ip = ((struct in_addr *) HostAddr->h_addr)->s_addr;
EMIT_SIGNAL_TIMESTAMP (XP_TE_FOUNDIP, sess->server->server_session,
inet_ntoa (*((struct in_addr *) HostAddr->h_addr)),
NULL, NULL, NULL, 0, tags_data->timestamp);
}
}
void
inbound_user_info_start (session *sess, char *nick,
const message_tags_data *tags_data)
{
/* set away to FALSE now, 301 may turn it back on */
inbound_set_all_away_status (sess->server, nick, 0);
}
/* reporting new information found about this user. chan may be NULL.
* away may be 0xff to indicate UNKNOWN. */
void
inbound_user_info (session *sess, char *chan, char *user, char *host,
char *servname, char *nick, char *realname,
char *account, unsigned int away,
const message_tags_data *tags_data)
{
server *serv = sess->server;
session *who_sess;
GSList *list;
char *uhost = NULL;
if (user && host)
{
uhost = g_strdup_printf ("%s@%s", user, host);
}
if (chan)
{
who_sess = find_channel (serv, chan);
if (who_sess)
userlist_add_hostname (who_sess, nick, uhost, realname, servname, account, away);
else
{
if (serv->doing_dns && nick && host)
do_dns (sess, nick, host, tags_data);
}
}
else
{
/* came from WHOIS, not channel specific */
for (list = sess_list; list; list = list->next)
{
sess = list->data;
if (sess->type == SESS_CHANNEL && sess->server == serv)
{
userlist_add_hostname (sess, nick, uhost, realname, servname, account, away);
}
}
}
g_free (uhost);
}
int
inbound_banlist (session *sess, time_t stamp, char *chan, char *mask,
char *banner, int rplcode, const message_tags_data *tags_data)
{
char *time_str = ctime (&stamp);
server *serv = sess->server;
char *nl;
if (stamp <= 0)
{
time_str = "";
}
else
{
if ((nl = strchr (time_str, '\n')))
*nl = 0;
}
sess = find_channel (serv, chan);
if (!sess)
{
sess = serv->front_session;
goto nowindow;
}
if (!fe_add_ban_list (sess, mask, banner, time_str, rplcode))
{
nowindow:
EMIT_SIGNAL_TIMESTAMP (XP_TE_BANLIST, sess, chan, mask, banner, time_str,
0, tags_data->timestamp);
return TRUE;
}
return TRUE;
}
/* execute 1 end-of-motd command */
static int
inbound_exec_eom_cmd (char *str, void *sess)
{
char *cmd;
cmd = command_insert_vars ((session*)sess, (str[0] == '/') ? str + 1 : str);
handle_command ((session*)sess, cmd, TRUE);
g_free (cmd);
return 1;
}
static int
inbound_nickserv_login (server *serv)
{
/* this could grow ugly, but let's hope there won't be new NickServ types */
switch (serv->loginmethod)
{
case LOGIN_MSG_NICKSERV:
case LOGIN_NICKSERV:
case LOGIN_CHALLENGEAUTH:
#if 0
case LOGIN_NS:
case LOGIN_MSG_NS:
case LOGIN_AUTH:
#endif
return 1;
default:
return 0;
}
}
void
inbound_login_end (session *sess, char *text, const message_tags_data *tags_data)
{
GSList *cmdlist;
commandentry *cmd;
server *serv = sess->server;
if (!serv->end_of_motd)
{
if (prefs.hex_dcc_ip_from_server && serv->use_who)
{
serv->skip_next_userhost = TRUE;
serv->p_get_ip_uh (serv, serv->nick); /* sends USERHOST mynick */
}
set_default_modes (serv);
if (serv->network)
{
/* there may be more than 1, separated by \n */
cmdlist = ((ircnet *)serv->network)->commandlist;
while (cmdlist)
{
cmd = cmdlist->data;
inbound_exec_eom_cmd (cmd->command, sess);
cmdlist = cmdlist->next;
}
/* send nickserv password */
if (((ircnet *)serv->network)->pass && inbound_nickserv_login (serv))
{
serv->p_ns_identify (serv, ((ircnet *)serv->network)->pass);
}
}
/* wait for join if command or nickserv set */
if (serv->network && prefs.hex_irc_join_delay
&& ((((ircnet *)serv->network)->pass && inbound_nickserv_login (serv))
|| ((ircnet *)serv->network)->commandlist))
{
serv->joindelay_tag = fe_timeout_add (prefs.hex_irc_join_delay * 1000, check_autojoin_channels, serv);
}
else
{
check_autojoin_channels (serv);
}
if (serv->supports_watch || serv->supports_monitor)
{
notify_send_watches (serv);
}
serv->end_of_motd = TRUE;
}
if (prefs.hex_irc_skip_motd && !serv->motd_skipped)
{
serv->motd_skipped = TRUE;
EMIT_SIGNAL_TIMESTAMP (XP_TE_MOTDSKIP, serv->server_session, NULL, NULL,
NULL, NULL, 0, tags_data->timestamp);
return;
}
EMIT_SIGNAL_TIMESTAMP (XP_TE_MOTD, serv->server_session, text, NULL, NULL,
NULL, 0, tags_data->timestamp);
}
void
inbound_identified (server *serv) /* 'MODE +e MYSELF' on freenode */
{
if (serv->joindelay_tag)
{
/* stop waiting, just auto JOIN now */
fe_timeout_remove (serv->joindelay_tag);
serv->joindelay_tag = 0;
check_autojoin_channels (serv);
}
}
void
inbound_cap_ack (server *serv, char *nick, char *extensions,
const message_tags_data *tags_data)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_CAPACK, serv->server_session, nick, extensions,
NULL, NULL, 0, tags_data->timestamp);
if (strstr (extensions, "identify-msg") != NULL)
{
serv->have_idmsg = TRUE;
}
if (strstr (extensions, "multi-prefix") != NULL)
{
serv->have_namesx = TRUE;
}
if (strstr (extensions, "away-notify") != NULL)
{
serv->have_awaynotify = TRUE;
}
if (strstr (extensions, "account-notify") != NULL)
{
serv->have_accnotify = TRUE;
}
if (strstr (extensions, "extended-join") != NULL)
{
serv->have_extjoin = TRUE;
}
if (strstr (extensions, "userhost-in-names") != NULL)
{
serv->have_uhnames = TRUE;
}
if (strstr (extensions, "server-time") != NULL)
{
serv->have_server_time = TRUE;
}
if (strstr (extensions, "sasl") != NULL)
{
serv->have_sasl = TRUE;
serv->sent_saslauth = FALSE;
#ifdef USE_OPENSSL
if (serv->loginmethod == LOGIN_SASLEXTERNAL)
{
serv->sasl_mech = MECH_EXTERNAL;
tcp_send_len (serv, "AUTHENTICATE EXTERNAL\r\n", 23);
}
else
{
/* default to most secure, it will fallback if not supported */
serv->sasl_mech = MECH_AES;
tcp_send_len (serv, "AUTHENTICATE DH-AES\r\n", 21);
}
#else
serv->sasl_mech = MECH_PLAIN;
tcp_send_len (serv, "AUTHENTICATE PLAIN\r\n", 20);
#endif
}
}
void
inbound_cap_ls (server *serv, char *nick, char *extensions_str,
const message_tags_data *tags_data)
{
char buffer[256]; /* buffer for requesting capabilities and emitting the signal */
guint32 want_cap; /* format the CAP REQ string based on previous capabilities being requested or not */
guint32 want_sasl; /* CAP END shouldn't be sent when SASL is requested, it needs further responses */
char **extensions;
int i;
EMIT_SIGNAL_TIMESTAMP (XP_TE_CAPLIST, serv->server_session, nick,
extensions_str, NULL, NULL, 0, tags_data->timestamp);
want_cap = 0;
want_sasl = 0;
extensions = g_strsplit (extensions_str, " ", 0);
strcpy (buffer, "CAP REQ :");
for (i=0; extensions[i]; i++)
{
const char *extension = extensions[i];
if (!strcmp (extension, "identify-msg"))
{
strcat (buffer, "identify-msg ");
want_cap = 1;
}
if (!strcmp (extension, "multi-prefix"))
{
strcat (buffer, "multi-prefix ");
want_cap = 1;
}
if (!strcmp (extension, "away-notify"))
{
strcat (buffer, "away-notify ");
want_cap = 1;
}
if (!strcmp (extension, "account-notify"))
{
strcat (buffer, "account-notify ");
want_cap = 1;
}
if (!strcmp (extension, "extended-join"))
{
strcat (buffer, "extended-join ");
want_cap = 1;
}
if (!strcmp (extension, "userhost-in-names"))
{
strcat (buffer, "userhost-in-names ");
want_cap = 1;
}
/* bouncers can prefix a name space to the extension so we should use.
* znc <= 1.0 uses "znc.in/server-time" and newer use "znc.in/server-time-iso".
*/
if (!strcmp (extension, "znc.in/server-time-iso"))
{
strcat (buffer, "znc.in/server-time-iso ");
want_cap = 1;
}
if (!strcmp (extension, "znc.in/server-time"))
{
strcat (buffer, "znc.in/server-time ");
want_cap = 1;
}
if (prefs.hex_irc_cap_server_time
&& !strcmp (extension, "server-time"))
{
strcat (buffer, "server-time ");
want_cap = 1;
}
/* if the SASL password is set AND auth mode is set to SASL, request SASL auth */
if (!strcmp (extension, "sasl")
&& ((serv->loginmethod == LOGIN_SASL && strlen (serv->password) != 0)
|| (serv->loginmethod == LOGIN_SASLEXTERNAL && serv->have_cert)))
{
strcat (buffer, "sasl ");
want_cap = 1;
want_sasl = 1;
}
}
g_strfreev (extensions);
if (want_cap)
{
/* buffer + 9 = emit buffer without "CAP REQ :" */
EMIT_SIGNAL_TIMESTAMP (XP_TE_CAPREQ, serv->server_session,
buffer + 9, NULL, NULL, NULL, 0,
tags_data->timestamp);
tcp_sendf (serv, "%s\r\n", g_strchomp (buffer));
}
if (!want_sasl)
{
/* if we use SASL, CAP END is dealt via raw numerics */
serv->sent_capend = TRUE;
tcp_send_len (serv, "CAP END\r\n", 9);
}
}
void
inbound_cap_nak (server *serv, const message_tags_data *tags_data)
{
serv->sent_capend = TRUE;
tcp_send_len (serv, "CAP END\r\n", 9);
}
void
inbound_cap_list (server *serv, char *nick, char *extensions,
const message_tags_data *tags_data)
{
EMIT_SIGNAL_TIMESTAMP (XP_TE_CAPACK, serv->server_session, nick, extensions,
NULL, NULL, 0, tags_data->timestamp);
}
static const char *sasl_mechanisms[] =
{
"PLAIN",
"DH-BLOWFISH",
"DH-AES",
"EXTERNAL"
};
void
inbound_sasl_supportedmechs (server *serv, char *list)
{
int i;
if (serv->sasl_mech != MECH_EXTERNAL)
{
/* Use most secure one supported */
for (i = MECH_AES; i >= MECH_PLAIN; i--)
{
if (strstr (list, sasl_mechanisms[i]) != NULL)
{
serv->sasl_mech = i;
serv->retry_sasl = TRUE;
tcp_sendf (serv, "AUTHENTICATE %s\r\n", sasl_mechanisms[i]);
return;
}
}
}
/* Abort, none supported */
serv->sent_saslauth = TRUE;
tcp_sendf (serv, "AUTHENTICATE *\r\n");
return;
}
void
inbound_sasl_authenticate (server *serv, char *data)
{
ircnet *net = (ircnet*)serv->network;
char *user, *pass = NULL;
const char *mech = sasl_mechanisms[serv->sasl_mech];
/* Got a list of supported mechanisms from inspircd */
if (strchr (data, ',') != NULL)
{
inbound_sasl_supportedmechs (serv, data);
return;
}
if (net->user && !(net->flags & FLAG_USE_GLOBAL))
user = net->user;
else
user = prefs.hex_irc_user_name;
switch (serv->sasl_mech)
{
case MECH_PLAIN:
pass = encode_sasl_pass_plain (user, serv->password);
break;
#ifdef USE_OPENSSL
case MECH_BLOWFISH:
pass = encode_sasl_pass_blowfish (user, serv->password, data);
break;
case MECH_AES:
pass = encode_sasl_pass_aes (user, serv->password, data);
break;
case MECH_EXTERNAL:
pass = g_strdup ("+");
break;
#endif
}
if (pass == NULL)
{
/* something went wrong abort */
serv->sent_saslauth = TRUE; /* prevent trying PLAIN */
tcp_sendf (serv, "AUTHENTICATE *\r\n");
return;
}
serv->sent_saslauth = TRUE;
tcp_sendf (serv, "AUTHENTICATE %s\r\n", pass);
g_free (pass);
EMIT_SIGNAL_TIMESTAMP (XP_TE_SASLAUTH, serv->server_session, user, (char*)mech,
NULL, NULL, 0, 0);
}
int
inbound_sasl_error (server *serv)
{
if (serv->retry_sasl && !serv->sent_saslauth)
return 1;
/* If server sent 904 before we sent password,
* mech not support so fallback to next mech */
if (!serv->sent_saslauth && serv->sasl_mech != MECH_EXTERNAL && serv->sasl_mech != MECH_PLAIN)
{
serv->sasl_mech -= 1;
tcp_sendf (serv, "AUTHENTICATE %s\r\n", sasl_mechanisms[serv->sasl_mech]);
return 1;
}
return 0;
}
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