ircd-hybrid/modules/m_encap.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_encap.c: encapsulated command propagation and parsing
 *
 *  Copyright (C) 2003 by the past and present ircd coders, and others.
 *
 *  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
 *
 *  $Id$
 */

#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "msg.h"
#include "parse.h"
#include "s_serv.h"
#include "send.h"
#include "modules.h"

static void ms_encap(struct Client *, struct Client *, int, char *[]);

struct Message encap_msgtab = {
  "ENCAP", 0, 0, 3, 0, MFLG_SLOW, 0,
  {m_ignore, m_ignore, ms_encap, m_ignore, m_ignore, m_ignore}
};

#ifndef STATIC_MODULES
void
_modinit(void)
{
  mod_add_cmd(&encap_msgtab);
  add_capability("ENCAP", CAP_ENCAP, 1);
}

void
_moddeinit(void)
{
  mod_del_cmd(&encap_msgtab);
  delete_capability("ENCAP");
}
const char *_version = "$Revision$";
#endif

/*
 * ms_encap()
 *
 * inputs       - destination server, subcommand, parameters
 * output       - none
 * side effects - propagates subcommand to locally connected servers
 */
static void
ms_encap(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char buffer[IRCD_BUFSIZE], *ptr = buffer;
  unsigned int cur_len = 0, len, i;
  int paramcount, mpara = 0;
  struct Message *mptr = NULL;
  MessageHandler handler = 0;

  for (i = 1; i < (unsigned int)parc - 1; i++)
  {
    len = strlen(parv[i]) + 1;

    if ((cur_len + len) >= sizeof(buffer))
      return;

    ircsprintf(ptr, "%s ", parv[i]);
    cur_len += len;
    ptr += len;
  }

  len = strlen(parv[i]);

  /*
   * if the final parameter crosses our buffer size, should we bail, 
   * like the rest, or should we truncate?  ratbox seems to think truncate,
   * so i'll do that for now until i can talk to lee.  -bill
   */

  if (parc == 3)
    ircsprintf(ptr, "%s", parv[2]);
  else
    ircsprintf(ptr, ":%s", parv[parc-1]);

  if ((cur_len + len) >= sizeof(buffer))
    buffer[sizeof(buffer)-1] = '\0';

  sendto_match_servs(source_p, parv[1], CAP_ENCAP,
                     "ENCAP %s", buffer);

  if (!match(parv[1], me.name))
    return;

  if ((mptr = find_command(parv[2])) == NULL)
    return;

  paramcount = mptr->parameters;
  mpara      = mptr->maxpara;

  mptr->bytes += strlen(buffer);

  /*
   * yes this is an ugly hack, but it is quicker than copying the entire array again
   * note: this hack wouldnt be needed if parv[0] were set to the command name, rather
   * than being derived from the prefix, as it should have been from the beginning.
   */
  ptr = parv[0];
  parv += 2;
  parc -= 2;
  parv[0] = ptr;

  if ((handler = mptr->handlers[ENCAP_HANDLER]) == NULL)
    return;

  (*handler)(client_p, source_p, parc, parv);
}
Revision:	69
Committed:	Tue Oct 4 16:09:51 2005 UTC (20 years, 10 months ago) by adx
Content type:	text/x-csrc
File size:	3394 byte(s)
Log Message:	- splitted ircd/libio, all headers connected with libio sources have been moved for internal use only. To use libio interface, include "libio.h" (which is already done in "stdinc.h")
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_encap.c: encapsulated command propagation and parsing
4			*
5			* Copyright (C) 2003 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26			#include "handlers.h"
27			#include "client.h"
28			#include "msg.h"
29			#include "parse.h"
30			#include "s_serv.h"
31			#include "send.h"
32			#include "modules.h"
33
34			static void ms_encap(struct Client , struct Client , int, char *[]);
35
36			struct Message encap_msgtab = {
37			"ENCAP", 0, 0, 3, 0, MFLG_SLOW, 0,
38			{m_ignore, m_ignore, ms_encap, m_ignore, m_ignore, m_ignore}
39			};
40
41			#ifndef STATIC_MODULES
42			void
43			_modinit(void)
44			{
45			mod_add_cmd(&encap_msgtab);
46			add_capability("ENCAP", CAP_ENCAP, 1);
47			}
48
49			void
50			_moddeinit(void)
51			{
52			mod_del_cmd(&encap_msgtab);
53			delete_capability("ENCAP");
54			}
55	knight	31	const char *_version = "$Revision$";
56	adx	30	#endif
57
58			/*
59			* ms_encap()
60			*
61			* inputs - destination server, subcommand, parameters
62			* output - none
63			* side effects - propagates subcommand to locally connected servers
64			*/
65			static void
66			ms_encap(struct Client client_p, struct Client source_p,
67			int parc, char *parv[])
68			{
69			char buffer[IRCD_BUFSIZE], *ptr = buffer;
70			unsigned int cur_len = 0, len, i;
71			int paramcount, mpara = 0;
72			struct Message *mptr = NULL;
73			MessageHandler handler = 0;
74
75			for (i = 1; i < (unsigned int)parc - 1; i++)
76			{
77			len = strlen(parv[i]) + 1;
78
79			if ((cur_len + len) >= sizeof(buffer))
80			return;
81
82			ircsprintf(ptr, "%s ", parv[i]);
83			cur_len += len;
84			ptr += len;
85			}
86
87			len = strlen(parv[i]);
88
89			/*
90			* if the final parameter crosses our buffer size, should we bail,
91			* like the rest, or should we truncate? ratbox seems to think truncate,
92			* so i'll do that for now until i can talk to lee. -bill
93			*/
94
95			if (parc == 3)
96			ircsprintf(ptr, "%s", parv[2]);
97			else
98			ircsprintf(ptr, ":%s", parv[parc-1]);
99
100			if ((cur_len + len) >= sizeof(buffer))
101			buffer[sizeof(buffer)-1] = '\0';
102
103			sendto_match_servs(source_p, parv[1], CAP_ENCAP,
104			"ENCAP %s", buffer);
105
106			if (!match(parv[1], me.name))
107			return;
108
109			if ((mptr = find_command(parv[2])) == NULL)
110			return;
111
112			paramcount = mptr->parameters;
113			mpara = mptr->maxpara;
114
115			mptr->bytes += strlen(buffer);
116
117			/*
118			* yes this is an ugly hack, but it is quicker than copying the entire array again
119			* note: this hack wouldnt be needed if parv[0] were set to the command name, rather
120			* than being derived from the prefix, as it should have been from the beginning.
121			*/
122			ptr = parv[0];
123			parv += 2;
124			parc -= 2;
125			parv[0] = ptr;
126
127			if ((handler = mptr->handlers[ENCAP_HANDLER]) == NULL)
128			return;
129
130			(*handler)(client_p, source_p, parc, parv);
131			}