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

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Revision 891 - (show annotations)
Thu Nov 1 13:44:50 2007 UTC (12 years, 3 months ago) by michael
File MIME type: text/x-chdr
File size: 5871 byte(s)
- Avoid useless irc_getnameinfo calls in several places

1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_etrace.c: Traces a path to a client/server.
4 *
5 * Copyright (C) 2002 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 "tools.h"
28 #include "hook.h"
29 #include "client.h"
30 #include "hash.h"
31 #include "common.h"
32 #include "irc_string.h"
33 #include "ircd.h"
34 #include "numeric.h"
35 #include "fdlist.h"
36 #include "s_bsd.h"
37 #include "s_serv.h"
38 #include "send.h"
39 #include "msg.h"
40 #include "parse.h"
41 #include "modules.h"
42 #include "s_conf.h"
43
44 #define FORM_STR_RPL_ETRACE ":%s 709 %s %s %s %s %s %s %s :%s"
45 #define FORM_STR_RPL_ETRACE_FULL ":%s 708 %s %s %s %s %s %s %s %s %s :%s"
46
47 static void do_etrace(struct Client *, int, char **);
48 static void mo_etrace(struct Client *, struct Client *, int, char *[]);
49
50 struct Message etrace_msgtab = {
51 "ETRACE", 0, 0, 0, 0, MFLG_SLOW, 0,
52 {m_unregistered, m_not_oper, m_ignore, m_ignore, mo_etrace, m_ignore}
53 };
54
55 #ifndef STATIC_MODULES
56 const char *_version = "$Revision$";
57 static struct Callback *etrace_cb;
58
59 static void *
60 va_etrace(va_list args)
61 {
62 struct Client *source_p = va_arg(args, struct Client *);
63 int parc = va_arg(args, int);
64 char **parv = va_arg(args, char **);
65
66 do_etrace(source_p, parc, parv);
67 return NULL;
68 }
69
70 void
71 _modinit(void)
72 {
73 etrace_cb = register_callback("doing_etrace", va_etrace);
74 mod_add_cmd(&etrace_msgtab);
75 }
76
77 void
78 _moddeinit(void)
79 {
80 mod_del_cmd(&etrace_msgtab);
81 uninstall_hook(etrace_cb, va_etrace);
82 }
83 #endif
84
85 static void report_this_status(struct Client *, struct Client *, int);
86
87 /*
88 * do_etrace()
89 */
90 static void
91 do_etrace(struct Client *source_p, int parc, char **parv)
92 {
93 const char *tname = NULL;
94 struct Client *target_p = NULL;
95 int wilds = 0;
96 int do_all = 0;
97 int full_etrace = 0;
98 dlink_node *ptr;
99
100 if (parc > 1)
101 {
102 if (irccmp(parv[1], "-full") == 0)
103 {
104 parv++;
105 parc--;
106 full_etrace = 1;
107 }
108 }
109
110 if (parc > 1)
111 {
112 tname = parv[1];
113
114 if (tname != NULL)
115 wilds = strchr(tname, '*') || strchr(tname, '?');
116 else
117 tname = "*";
118 }
119 else
120 {
121 do_all = 1;
122 tname = "*";
123 }
124
125 if (IsFull(source_p))
126 full_etrace = 1;
127
128 if (!wilds && !do_all)
129 {
130 target_p = find_client(tname);
131
132 if (target_p && MyClient(target_p))
133 report_this_status(source_p, target_p, full_etrace);
134
135 sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
136 source_p->name, tname);
137 return;
138 }
139
140 DLINK_FOREACH(ptr, local_client_list.head)
141 {
142 target_p = ptr->data;
143
144 if (wilds)
145 {
146 if (match(tname, target_p->name) || match(target_p->name, tname))
147 report_this_status(source_p, target_p, full_etrace);
148 }
149 else
150 report_this_status(source_p, target_p, full_etrace);
151 }
152
153 sendto_one(source_p, form_str(RPL_ENDOFTRACE), me.name,
154 source_p->name, tname);
155 }
156
157 /* mo_etrace()
158 * parv[0] = sender prefix
159 * parv[1] = servername
160 */
161 static void
162 mo_etrace(struct Client *client_p, struct Client *source_p,
163 int parc, char *parv[])
164 {
165 #ifdef STATIC_MODULES
166 do_etrace(source_p, parc, parv);
167 #else
168 execute_callback(etrace_cb, source_p, parc, parv);
169 #endif
170 }
171
172 /* report_this_status()
173 *
174 * inputs - pointer to client to report to
175 * - pointer to client to report about
176 * - flag full etrace or not
177 * output - NONE
178 * side effects - NONE
179 */
180 static void
181 report_this_status(struct Client *source_p, struct Client *target_p,
182 int full_etrace)
183 {
184 const char *name;
185 const char *class_name;
186
187 name = get_client_name(target_p, HIDE_IP);
188 class_name = get_client_class(target_p);
189
190 set_time();
191
192 if (target_p->status == STAT_CLIENT)
193 {
194 if (full_etrace)
195 {
196 if (ConfigFileEntry.hide_spoof_ips)
197 sendto_one(source_p, FORM_STR_RPL_ETRACE_FULL,
198 me.name,
199 source_p->name,
200 IsOper(target_p) ? "Oper" : "User",
201 class_name,
202 target_p->name,
203 target_p->username,
204 target_p->host,
205 IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
206 IsIPSpoof(target_p) ? "<hidden>" : target_p->client_host,
207 IsIPSpoof(target_p) ? "<hidden>" : target_p->client_server,
208 target_p->info);
209 else
210 sendto_one(source_p, FORM_STR_RPL_ETRACE_FULL,
211 me.name,
212 source_p->name,
213 IsOper(target_p) ? "Oper" : "User",
214 class_name,
215 target_p->name,
216 target_p->username,
217 target_p->host,
218 target_p->sockhost,
219 target_p->client_host,
220 target_p->client_server,
221 target_p->info);
222 }
223 else
224 {
225 if (ConfigFileEntry.hide_spoof_ips)
226 sendto_one(source_p, FORM_STR_RPL_ETRACE,
227 me.name,
228 source_p->name,
229 IsOper(target_p) ? "Oper" : "User",
230 class_name,
231 target_p->name,
232 target_p->username,
233 target_p->host,
234 IsIPSpoof(target_p) ? "255.255.255.255" : target_p->sockhost,
235 target_p->info);
236 else
237 sendto_one(source_p, FORM_STR_RPL_ETRACE,
238 me.name,
239 source_p->name,
240 IsOper(target_p) ? "Oper" : "User",
241 class_name,
242 target_p->name,
243 target_p->username,
244 target_p->host,
245 target_p->sockhost,
246 target_p->info);
247 }
248 }
249 }

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