8.1.x/modules/m_encap.c

/*
 *  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
 *
 *  Copyright (c) 2003-2014 ircd-hybrid 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
 */

/*! \file m_encap.c
 * \brief Includes required functions for processing the ENCAP command.
 * \version $Id$
 */

#include "stdinc.h"
#include "client.h"
#include "parse.h"
#include "s_serv.h"
#include "send.h"
#include "modules.h"
#include "irc_string.h"


/*
 * ms_encap()
 *
 * inputs       - destination server, subcommand, parameters
 * output       - none
 * side effects - propagates subcommand to locally connected servers
 */
static int
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;
#ifdef NOT_USED_YET
  int paramcount, mpara = 0;
#endif
  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 0;

    snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]);
    cur_len += len;
    ptr += len;
  }

  /* If it's a command without parameters, don't 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]);

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

  if (match(parv[1], me.name))
    return 0;

  if ((mptr = find_command(parv[2])) == NULL)
    return 0;

#ifdef NOT_USED_YET
  paramcount = mptr->parameters;
  mpara      = mptr->maxpara;
#endif
  mptr->bytes += strlen(buffer);

  /*
   * Yes this is an ugly hack, but it is quicker than copying the
   * entire array again.
   *
   * Note: this hack wouldn't 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]))
    (*handler)(client_p, source_p, parc, parv);
  return 0;
}

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

static void
module_init(void)
{
  mod_add_cmd(&encap_msgtab);
  add_capability("ENCAP", CAP_ENCAP, 1);
}

static void
module_exit(void)
{
  mod_del_cmd(&encap_msgtab);
  delete_capability("ENCAP");
}

struct module module_entry =
{
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
1	/*
2	* ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3	*
4	* Copyright (c) 2003-2014 ircd-hybrid development team
5	*
6	* This program is free software; you can redistribute it and/or modify
7	* it under the terms of the GNU General Public License as published by
8	* the Free Software Foundation; either version 2 of the License, or
9	* (at your option) any later version.
10	*
11	* This program is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	* GNU General Public License for more details.
15	*
16	* You should have received a copy of the GNU General Public License
17	* along with this program; if not, write to the Free Software
18	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19	* USA
20	*/
21
22	/*! \file m_encap.c
23	* \brief Includes required functions for processing the ENCAP command.
24	* \version $Id$
25	*/
26
27	#include "stdinc.h"
28	#include "client.h"
29	#include "parse.h"
30	#include "s_serv.h"
31	#include "send.h"
32	#include "modules.h"
33	#include "irc_string.h"
34
35
36	/*
37	* ms_encap()
38	*
39	* inputs - destination server, subcommand, parameters
40	* output - none
41	* side effects - propagates subcommand to locally connected servers
42	*/
43	static int
44	ms_encap(struct Client client_p, struct Client source_p,
45	int parc, char *parv[])
46	{
47	char buffer[IRCD_BUFSIZE], *ptr = buffer;
48	unsigned int cur_len = 0, len, i;
49	#ifdef NOT_USED_YET
50	int paramcount, mpara = 0;
51	#endif
52	struct Message *mptr = NULL;
53	MessageHandler handler = 0;
54
55	for (i = 1; i < (unsigned int)parc - 1; i++)
56	{
57	len = strlen(parv[i]) + 1;
58
59	if ((cur_len + len) >= sizeof(buffer))
60	return 0;
61
62	snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]);
63	cur_len += len;
64	ptr += len;
65	}
66
67	/* If it's a command without parameters, don't prepend a ':' */
68	if (parc == 3)
69	snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]);
70	else
71	snprintf(ptr, sizeof(buffer) - cur_len, ":%s", parv[parc - 1]);
72
73	sendto_match_servs(source_p, parv[1], CAP_ENCAP,
74	"ENCAP %s", buffer);
75
76	if (match(parv[1], me.name))
77	return 0;
78
79	if ((mptr = find_command(parv[2])) == NULL)
80	return 0;
81
82	#ifdef NOT_USED_YET
83	paramcount = mptr->parameters;
84	mpara = mptr->maxpara;
85	#endif
86	mptr->bytes += strlen(buffer);
87
88	/*
89	* Yes this is an ugly hack, but it is quicker than copying the
90	* entire array again.
91	*
92	* Note: this hack wouldn't be needed if parv[0] were set to the
93	* command name, rather than being derived from the prefix, as
94	* it should have been from the beginning.
95	*/
96	ptr = parv[0];
97	parv += 2;
98	parc -= 2;
99	parv[0] = ptr;
100
101	if ((handler = mptr->handlers[ENCAP_HANDLER]))
102	(*handler)(client_p, source_p, parc, parv);
103	return 0;
104	}
105
106	static struct Message encap_msgtab =
107	{
108	"ENCAP", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
109	{ m_ignore, m_ignore, ms_encap, m_ignore, m_ignore, m_ignore }
110	};
111
112	static void
113	module_init(void)
114	{
115	mod_add_cmd(&encap_msgtab);
116	add_capability("ENCAP", CAP_ENCAP, 1);
117	}
118
119	static void
120	module_exit(void)
121	{
122	mod_del_cmd(&encap_msgtab);
123	delete_capability("ENCAP");
124	}
125
126	struct module module_entry =
127	{
128	.node = { NULL, NULL, NULL },
129	.name = NULL,
130	.version = "$Revision$",
131	.handle = NULL,
132	.modinit = module_init,
133	.modexit = module_exit,
134	.flags = 0
135	};
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