trunk/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 "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 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;
#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;

    snprintf(ptr, sizeof(buffer) - cur_len, "%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)
    snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]);
  else
    snprintf(ptr, sizeof(buffer) - cur_len, ":%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;

#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 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]))
    (*handler)(client_p, source_p, parc, parv);
}

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
};
Revision:	1793
Committed:	Sun Mar 31 14:06:08 2013 UTC (12 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	3583 byte(s)
Log Message:	- Replaced all occurrences of ircsprintf with sprintf/snprintf and killed sprintf_irc.(c\|h)
#	Content
1	/*
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	* $Id$
23	*/
24
25	#include "stdinc.h"
26	#include "client.h"
27	#include "parse.h"
28	#include "s_serv.h"
29	#include "send.h"
30	#include "modules.h"
31	#include "irc_string.h"
32
33
34	/*
35	* ms_encap()
36	*
37	* inputs - destination server, subcommand, parameters
38	* output - none
39	* side effects - propagates subcommand to locally connected servers
40	*/
41	static void
42	ms_encap(struct Client client_p, struct Client source_p,
43	int parc, char *parv[])
44	{
45	char buffer[IRCD_BUFSIZE], *ptr = buffer;
46	unsigned int cur_len = 0, len, i;
47	#ifdef NOT_USED_YET
48	int paramcount, mpara = 0;
49	#endif
50	struct Message *mptr = NULL;
51	MessageHandler handler = 0;
52
53	for (i = 1; i < (unsigned int)parc - 1; i++)
54	{
55	len = strlen(parv[i]) + 1;
56
57	if ((cur_len + len) >= sizeof(buffer))
58	return;
59
60	snprintf(ptr, sizeof(buffer) - cur_len, "%s ", parv[i]);
61	cur_len += len;
62	ptr += len;
63	}
64
65	len = strlen(parv[i]);
66
67	/*
68	* if the final parameter crosses our buffer size, should we bail,
69	* like the rest, or should we truncate? ratbox seems to think truncate,
70	* so i'll do that for now until i can talk to lee. -bill
71	*/
72
73	if (parc == 3)
74	snprintf(ptr, sizeof(buffer) - cur_len, "%s", parv[2]);
75	else
76	snprintf(ptr, sizeof(buffer) - cur_len, ":%s", parv[parc - 1]);
77
78	if ((cur_len + len) >= sizeof(buffer))
79	buffer[sizeof(buffer) - 1] = '\0';
80
81	sendto_match_servs(source_p, parv[1], CAP_ENCAP,
82	"ENCAP %s", buffer);
83
84	if (match(parv[1], me.name))
85	return;
86
87	if ((mptr = find_command(parv[2])) == NULL)
88	return;
89
90	#ifdef NOT_USED_YET
91	paramcount = mptr->parameters;
92	mpara = mptr->maxpara;
93	#endif
94	mptr->bytes += strlen(buffer);
95
96	/*
97	* yes this is an ugly hack, but it is quicker than copying the entire array again
98	* note: this hack wouldnt be needed if parv[0] were set to the command name, rather
99	* than being derived from the prefix, as it should have been from the beginning.
100	*/
101	ptr = parv[0];
102	parv += 2;
103	parc -= 2;
104	parv[0] = ptr;
105
106	if ((handler = mptr->handlers[ENCAP_HANDLER]))
107	(*handler)(client_p, source_p, parc, parv);
108	}
109
110	static struct Message encap_msgtab = {
111	"ENCAP", 0, 0, 3, MAXPARA, MFLG_SLOW, 0,
112	{m_ignore, m_ignore, ms_encap, m_ignore, m_ignore, m_ignore}
113	};
114
115	static void
116	module_init(void)
117	{
118	mod_add_cmd(&encap_msgtab);
119	add_capability("ENCAP", CAP_ENCAP, 1);
120	}
121
122	static void
123	module_exit(void)
124	{
125	mod_del_cmd(&encap_msgtab);
126	delete_capability("ENCAP");
127	}
128
129	struct module module_entry = {
130	.node = { NULL, NULL, NULL },
131	.name = NULL,
132	.version = "$Revision$",
133	.handle = NULL,
134	.modinit = module_init,
135	.modexit = module_exit,
136	.flags = 0
137	};