/[svn]/ircd-hybrid-7.2/modules/m_encap.c
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Contents of /ircd-hybrid-7.2/modules/m_encap.c

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Revision 34 - (show annotations)
Sun Oct 2 21:05:51 2005 UTC (14 years, 2 months ago) by lusky
File MIME type: text/x-chdr
File size: 3443 byte(s)
create 7.2 branch, we can move/rename it as needed.


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

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