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construct/modules/m_pass.c

111 lines
3.3 KiB
C

/*
* ircd-ratbox: A slightly useful ircd.
* m_pass.c: Used to send a password for a server or client{} block.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "stdinc.h"
#include "client.h" /* client struct */
#include "match.h"
#include "send.h" /* sendto_one */
#include "numeric.h" /* ERR_xxx */
#include "ircd.h" /* me */
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_serv.h"
#include "hash.h"
#include "s_conf.h"
static const char pass_desc[] = "Provides the PASS command to authenticate clients and servers";
static void mr_pass(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message pass_msgtab = {
"PASS", 0, 0, 0, 0,
{{mr_pass, 2}, mg_reg, mg_ignore, mg_ignore, mg_ignore, mg_reg}
};
mapi_clist_av1 pass_clist[] = { &pass_msgtab, NULL };
DECLARE_MODULE_AV2(pass, NULL, NULL, pass_clist, NULL, NULL, NULL, NULL, pass_desc);
/*
* m_pass() - Added Sat, 4 March 1989
*
*
* mr_pass - PASS message handler
* parv[1] = password
* parv[2] = "TS" if this server supports TS.
* parv[3] = optional TS version field -- needed for TS6
*/
static void
mr_pass(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
char *auth_user, *pass, *buf;
buf = LOCAL_COPY(parv[1]);
if(client_p->localClient->passwd || client_p->localClient->auth_user)
return;
if ((pass = strchr(buf, ':')) != NULL)
{
*pass++ = '\0';
auth_user = buf;
}
else
{
pass = buf;
auth_user = NULL;
}
client_p->localClient->passwd = *pass ? rb_strndup(pass, PASSWDLEN) : NULL;
if(auth_user && *auth_user)
client_p->localClient->auth_user = rb_strndup(auth_user, PASSWDLEN);
/* These are for servers only */
if(parc > 2 && client_p->user == NULL)
{
/*
* It looks to me as if orabidoo wanted to have more
* than one set of option strings possible here...
* i.e. ":AABBTS" as long as TS was the last two chars
* however, as we are now using CAPAB, I think we can
* safely assume if there is a ":TS" then its a TS server
* -Dianora
*/
if(irccmp(parv[2], "TS") == 0 && client_p->tsinfo == 0)
client_p->tsinfo = TS_DOESTS;
if(parc == 5 && atoi(parv[3]) >= 6)
{
/* only mark as TS6 if the SID is valid.. */
if(IsDigit(parv[4][0]) && IsIdChar(parv[4][1]) &&
IsIdChar(parv[4][2]) && parv[4][3] == '\0' &&
EmptyString(client_p->id))
{
client_p->localClient->caps |= CAP_TS6;
rb_strlcpy(client_p->id, parv[4], sizeof(client_p->id));
}
}
}
}