mirror of https://github.com/pissnet/pissircd.git
142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/*
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* IRC - Internet Relay Chat, src/modules/pass.c
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* (C) 2004 The UnrealIRCd Team
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*
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* See file AUTHORS in IRC package for additional names of
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* the programmers.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "unrealircd.h"
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CMD_FUNC(cmd_pass);
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#define MSG_PASS "PASS"
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ModuleHeader MOD_HEADER
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= {
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"pass",
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"5.0",
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"command /pass",
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"UnrealIRCd Team",
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"unrealircd-5",
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};
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/* Forward declarations */
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int _check_banned(Client *client, int exitflags);
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MOD_TEST()
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{
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MARK_AS_OFFICIAL_MODULE(modinfo);
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EfunctionAdd(modinfo->handle, EFUNC_CHECK_BANNED, _check_banned);
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return MOD_SUCCESS;
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}
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MOD_INIT()
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{
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CommandAdd(modinfo->handle, MSG_PASS, cmd_pass, 1, CMD_UNREGISTERED|CMD_USER|CMD_SERVER);
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MARK_AS_OFFICIAL_MODULE(modinfo);
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return MOD_SUCCESS;
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}
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MOD_LOAD()
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{
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return MOD_SUCCESS;
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}
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MOD_UNLOAD()
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{
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return MOD_SUCCESS;
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}
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/** Handles zlines/gzlines/throttling/unknown connections
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* @param client Client to be checked
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* @param exitflags Special flag (NO_EXIT_CLIENT) -- only used in very early stages of the connection
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* @returns 1 if user is banned and is or should be killed, 0 if not.
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*/
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int _check_banned(Client *client, int exitflags)
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{
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TKL *tk;
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if ((tk = find_tkline_match_zap(client)))
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{
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banned_client(client, "Z-Lined", tk->ptr.serverban->reason, (tk->type & TKL_GLOBAL)?1:0, exitflags);
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return 1;
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}
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else
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{
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int val;
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char zlinebuf[512];
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if (!(val = throttle_can_connect(client)))
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{
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if (exitflags & NO_EXIT_CLIENT)
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{
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ircsnprintf(zlinebuf, sizeof(zlinebuf),
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"ERROR :Closing Link: [%s] (Throttled: Reconnecting too fast) - "
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"Email %s for more information.\r\n",
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client->ip, KLINE_ADDRESS);
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(void)send(client->local->fd, zlinebuf, strlen(zlinebuf), 0);
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return 1;
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} else {
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ircsnprintf(zlinebuf, sizeof(zlinebuf),
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"Throttled: Reconnecting too fast - "
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"Email %s for more information.",
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KLINE_ADDRESS);
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exit_client(client, NULL, zlinebuf);
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return 1;
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}
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}
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else if (val == 1)
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add_throttling_bucket(client);
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}
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return 0;
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}
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/***************************************************************************
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* cmd_pass() - Added Sat, 4 March 1989
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***************************************************************************/
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/*
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** cmd_pass
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** parv[1] = password
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*/
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CMD_FUNC(cmd_pass)
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{
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char *password = parc > 1 ? parv[1] : NULL;
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if (!MyConnect(client) || (!IsUnknown(client) && !IsHandshake(client)))
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{
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sendnumeric(client, ERR_ALREADYREGISTRED);
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return;
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}
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if (BadPtr(password))
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{
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sendnumeric(client, ERR_NEEDMOREPARAMS, "PASS");
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return;
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}
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/* Store the password */
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safe_strldup(client->local->passwd, password, PASSWDLEN+1);
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/* note: the original non-truncated password is supplied as 2nd parameter. */
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RunHookReturn2(HOOKTYPE_LOCAL_PASS, client, password, !=0);
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}
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