/[svn]/ircd-hybrid-7.2/contrib/m_jupe.c
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Contents of /ircd-hybrid-7.2/contrib/m_jupe.c

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Revision 1011 - (show annotations)
Fri Sep 18 10:14:09 2009 UTC (9 years, 11 months ago) by michael
File MIME type: text/x-chdr
File size: 5030 byte(s)
- move list manipulation routines from tools.c to list.c
- mem_frob() goes to memory.c
- sort out redundant/unneeded header includes

1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_jupe.c: Jupes a 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 "list.h"
27 #include "irc_string.h"
28 #include "sprintf_irc.h"
29 #include "handlers.h"
30 #include "channel.h"
31 #include "client.h"
32 #include "ircd.h"
33 #include "numeric.h"
34 #include "s_log.h"
35 #include "s_serv.h"
36 #include "send.h"
37 #include "whowas.h"
38 #include "hash.h"
39 #include "msg.h"
40 #include "parse.h"
41 #include "modules.h"
42 #include "common.h"
43 #include "event.h"
44 #include "fdlist.h"
45 #include "s_conf.h"
46
47 static void mo_jupe(struct Client *, struct Client *, int, char *[]);
48 static int bogus_host(char *);
49
50 struct Message jupe_msgtab = {
51 "JUPE", 0, 0, 3, 0, MFLG_SLOW, 0,
52 {m_unregistered, m_not_oper, mo_jupe, m_ignore, mo_jupe, m_ignore}
53 };
54
55 #ifndef STATIC_MODULES
56 void
57 _modinit(void)
58 {
59 mod_add_cmd(&jupe_msgtab);
60 }
61
62 void
63 _moddeinit(void)
64 {
65 mod_del_cmd(&jupe_msgtab);
66 }
67
68 const char *_version = "$Revision$";
69 #endif
70
71 /*
72 * mo_jupe()
73 * parv[0] = sender prefix
74 * parv[1] = server we're juping
75 * parv[2] = reason for jupe
76 */
77 static void
78 mo_jupe(struct Client *client_p, struct Client *source_p,
79 int parc, char *parv[])
80 {
81 struct Client *target_p = NULL;
82 struct Client *ajupe = NULL;
83 dlink_node *m = NULL;
84 char reason[REALLEN + 1];
85
86 if (!IsAdmin(source_p))
87 {
88 sendto_one(source_p, form_str(ERR_NOPRIVILEGES),
89 me.name, source_p->name);
90 return;
91 }
92
93 if (*parv[2] == '\0')
94 {
95 sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
96 me.name, source_p->name, "JUPE");
97 return;
98 }
99
100 if (!ServerInfo.hub)
101 {
102 sendto_one(source_p, ":%s NOTICE %s :Must be used from a hub server",
103 me.name, source_p->name);
104 return;
105 }
106
107 if (bogus_host(parv[1]))
108 {
109 sendto_one(source_p, ":%s NOTICE %s :Invalid servername: %s",
110 me.name, source_p->name, parv[1]);
111 return;
112 }
113
114 if (match(parv[1], me.name))
115 {
116 sendto_one(source_p, ":%s NOTICE %s :I can't jupe myself!",
117 me.name, source_p->name);
118 return;
119 }
120
121 /* we need to give 7 chars to prepend "JUPED: " */
122 if (strlen(parv[2]) > (REALLEN - 7))
123 parv[2][REALLEN - 7] = '\0';
124
125 sendto_wallops_flags(UMODE_WALLOP, &me,
126 "JUPE for %s requested by %s: %s",
127 parv[1], get_oper_name(source_p), parv[2]);
128
129 sendto_server(NULL, NULL, NOCAPS, NOCAPS,
130 ":%s WALLOPS :JUPE for %s requested by %s!%s@%s: %s",
131 me.name, parv[1], source_p->name,
132 source_p->username, source_p->host, parv[2]);
133 ilog(L_NOTICE, "JUPE for %s requested by %s: %s",
134 parv[1], get_oper_name(source_p), parv[2]);
135
136 if ((target_p = find_server(parv[1])) != NULL)
137 exit_client(target_p, &me, parv[2]);
138
139 sendto_server(NULL, NULL, NOCAPS, NOCAPS,
140 ":%s SERVER %s 1 :JUPED: %s",
141 me.name, parv[1], parv[2]);
142
143 sendto_realops_flags(UMODE_ALL, L_ALL,
144 "Link with %s established: (JUPED) link",
145 parv[1]);
146
147 ajupe = make_client(NULL);
148
149 /* make_client() adds client to unknown_list */
150 if ((m = dlinkFindDelete(&unknown_list, ajupe)) != NULL)
151 free_dlink_node(m);
152
153 make_server(ajupe);
154
155 strlcpy(ajupe->name, parv[1], sizeof(ajupe->name));
156 ircsprintf(reason, "JUPED: %s", parv[2]);
157 strlcpy(ajupe->info, reason, sizeof(ajupe->info));
158
159 ajupe->servptr = &me;
160 ajupe->hopcount = 1;
161
162 SetServer(ajupe);
163 SetDead(ajupe);
164
165 Count.myserver++;
166
167 hash_add_client(ajupe);
168 dlinkAdd(ajupe, &ajupe->lnode, &ajupe->servptr->serv->server_list);
169 dlinkAdd(ajupe, make_dlink_node(), &global_serv_list);
170
171 /* XXX is this really necessary?
172 * for now, 'cause of the way squit works
173 */
174 dlinkAdd(ajupe, &ajupe->node, &global_client_list);
175 }
176
177 /* bogus_host()
178 *
179 * inputs - hostname
180 * output - 1 if a bogus hostname input,
181 * - 0 if its valid
182 * side effects - none
183 */
184 static int
185 bogus_host(char *host)
186 {
187 unsigned int length = 0;
188 unsigned int dots = 0;
189 char *s = host;
190
191 for (; *s; s++)
192 {
193 if (!IsServChar(*s))
194 return 1;
195
196 ++length;
197
198 if ('.' == *s)
199 ++dots;
200 }
201
202 return !dots || length > HOSTLEN;
203 }

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