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/*
fe-sasl.c : irssi
Copyright (C) 2015-2017 The Lemon Man
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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "module.h"
#include "module-formats.h"
#include "signals.h"
#include "levels.h"
#include "misc.h"
#include "sasl.h"
#include "irc-servers.h"
#include "settings.h"
#include "printtext.h"
static void sig_sasl_success(IRC_SERVER_REC *server)
{
printformat(server, NULL, MSGLEVEL_CRAP, IRCTXT_SASL_SUCCESS);
}
static void sig_sasl_failure(IRC_SERVER_REC *server, const char *reason)
{
printformat(server, NULL, MSGLEVEL_CRAP, IRCTXT_SASL_ERROR, reason);
}
static void sig_cap_end(IRC_SERVER_REC *server)
{
/* The negotiation has now been terminated, if we didn't manage to
* authenticate successfully with the server just disconnect. */
if (!server->sasl_success &&
server->connrec->sasl_mechanism != SASL_MECHANISM_NONE &&
settings_get_bool("sasl_disconnect_on_failure")) {
/* We can't use server_disconnect() here because we'd end up
* freeing the 'server' object and be guilty of a slew of UaF. */
server->connection_lost = TRUE;
/* By setting connection_lost we make sure the communication is
* halted and when the control goes back to irc_parse_incoming
* the server object is safely destroyed. */
signal_stop();
}
}
void fe_sasl_init(void)
{
settings_add_bool("server", "sasl_disconnect_on_failure", TRUE);
signal_add("server sasl success", (SIGNAL_FUNC) sig_sasl_success);
signal_add("server sasl failure", (SIGNAL_FUNC) sig_sasl_failure);
signal_add_first("server cap end", (SIGNAL_FUNC) sig_cap_end);
}
void fe_sasl_deinit(void)
{
signal_remove("server sasl success", (SIGNAL_FUNC) sig_sasl_success);
signal_remove("server sasl failure", (SIGNAL_FUNC) sig_sasl_failure);
signal_remove("server cap end", (SIGNAL_FUNC) sig_cap_end);
}
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