ircd-ratbox/ircd-ratbox-3.0.10/modules/m_encap.c
2023-08-20 13:26:10 -04:00

103 lines
3.2 KiB
C

/* modules/m_encap.c
* Copyright (C) 2003-2012 ircd-ratbox development team
* Copyright (C) 2003 Lee Hardy <lee@leeh.co.uk>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1.Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2.Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3.The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $Id: m_encap.c 27371 2012-03-16 05:33:15Z dubkat $
*/
#include "stdinc.h"
#include "struct.h"
#include "send.h"
#include "ircd.h"
#include "s_serv.h"
#include "hash.h"
#include "parse.h"
#include "modules.h"
#include "match.h"
static int ms_encap(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
struct Message encap_msgtab = {
"ENCAP", 0, 0, 0, MFLG_SLOW,
{mg_ignore, mg_ignore, {ms_encap, 3}, {ms_encap, 3}, mg_ignore, mg_ignore}
};
mapi_clist_av1 encap_clist[] = { &encap_msgtab, NULL };
DECLARE_MODULE_AV1(encap, NULL, NULL, encap_clist, NULL, NULL, "$Revision: 27371 $");
/* ms_encap()
*
* parv[1] - destination server
* parv[2] - subcommand
* parv[3] - parameters
*/
static int
ms_encap(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
char buffer[BUFSIZE];
char *ptr;
int cur_len = 0;
int len;
int i;
ptr = buffer;
for(i = 1; i < parc - 1; i++)
{
len = strlen(parv[i]) + 1;
/* ugh, not even at the last parameter, just bail --fl */
if((size_t)(cur_len + len) >= sizeof(buffer))
return 0;
rb_snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]);
cur_len += len;
ptr += len;
}
len = strlen(parv[i]);
/* if its a command without parameters, dont prepend a ':' */
if(parc == 3)
rb_snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]);
else
rb_snprintf(ptr, sizeof(buffer) - cur_len, ":%s", parv[parc - 1]);
/* add a trailing \0 if it was too long */
if((cur_len + len) >= BUFSIZE)
buffer[BUFSIZE - 1] = '\0';
sendto_match_servs(source_p, parv[1], CAP_ENCAP, NOCAPS, "ENCAP %s", buffer);
/* if it matches us, find a matching handler and call it */
if(match(parv[1], me.name))
handle_encap(client_p, source_p, parv[2], parc - 2, parv + 2);
return 0;
}