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construct/modules/m_encap.cc

94 lines
3.1 KiB
C++

/* modules/m_encap.c
* Copyright (C) 2003-2005 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.
*/
using namespace ircd;
static const char encap_desc[] = "Provides the TS6 ENCAP facility";
static void ms_encap(struct MsgBuf *msgbuf_p, client::client &client, client::client &source,
int parc, const char *parv[]);
struct Message encap_msgtab = {
"ENCAP", 0, 0, 0, 0,
{mg_ignore, mg_ignore, {ms_encap, 3}, {ms_encap, 3}, mg_ignore, mg_ignore}
};
mapi_clist_av1 encap_clist[] = { &encap_msgtab, NULL };
DECLARE_MODULE_AV2(encap, NULL, NULL, encap_clist, NULL, NULL, NULL, NULL, encap_desc);
/* ms_encap()
*
* parv[1] - destination server
* parv[2] - subcommand
* parv[3] - parameters
*/
static void
ms_encap(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, 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;
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)
snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]);
else
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, 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(msgbuf_p, &client, &source, parv[2], parc - 2, parv + 2);
}