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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_userhost.c: Shows a user's host. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2005 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
212380e3 AC |
23 | */ |
24 | ||
25 | #include "stdinc.h" | |
26 | #include "client.h" | |
27 | #include "ircd.h" | |
28 | #include "numeric.h" | |
29 | #include "s_serv.h" | |
30 | #include "send.h" | |
4562c604 | 31 | #include "match.h" |
212380e3 AC |
32 | #include "msg.h" |
33 | #include "parse.h" | |
34 | #include "modules.h" | |
35 | #include "s_conf.h" | |
1123eefc | 36 | #include "s_newconf.h" |
212380e3 | 37 | |
eeabf33a EM |
38 | static const char userhost_desc[] = |
39 | "Provides the USERHOST command to show a user's host"; | |
40 | ||
212380e3 AC |
41 | static char buf[BUFSIZE]; |
42 | ||
3c7d6fcc | 43 | static void m_userhost(struct MsgBuf *, struct Client *, struct Client *, int, const char **); |
212380e3 AC |
44 | |
45 | struct Message userhost_msgtab = { | |
7baa37a9 | 46 | "USERHOST", 0, 0, 0, 0, |
212380e3 AC |
47 | {mg_unreg, {m_userhost, 2}, mg_ignore, mg_ignore, mg_ignore, {m_userhost, 2}} |
48 | }; | |
49 | ||
50 | mapi_clist_av1 userhost_clist[] = { &userhost_msgtab, NULL }; | |
eeabf33a | 51 | |
4855e957 | 52 | DECLARE_MODULE_AV2(userhost, NULL, NULL, userhost_clist, NULL, NULL, NULL, NULL, userhost_desc); |
212380e3 AC |
53 | |
54 | /* | |
55 | * m_userhost added by Darren Reed 13/8/91 to aid clients and reduce | |
56 | * the need for complicated requests like WHOIS. It returns user/host | |
57 | * information only (no spurious AWAY labels or channels). | |
58 | */ | |
3c7d6fcc | 59 | static void |
428ca87b | 60 | m_userhost(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) |
212380e3 AC |
61 | { |
62 | struct Client *target_p; | |
63 | char response[NICKLEN * 2 + USERLEN + HOSTLEN + 30]; | |
64 | char *t; | |
65 | int i; /* loop counter */ | |
66 | int cur_len; | |
67 | int rl; | |
68 | ||
5203cba5 | 69 | cur_len = sprintf(buf, form_str(RPL_USERHOST), me.name, source_p->name, ""); |
212380e3 AC |
70 | t = buf + cur_len; |
71 | ||
72 | for (i = 1; i <= 5; i++) | |
73 | { | |
74 | if(parc < i + 1) | |
75 | break; | |
76 | ||
77 | if((target_p = find_person(parv[i])) != NULL) | |
78 | { | |
79 | /* | |
80 | * Show real IP for USERHOST on yourself. | |
81 | * This is needed for things like mIRC, which do a server-based | |
82 | * lookup (USERHOST) to figure out what the clients' local IP | |
83 | * is. Useful for things like NAT, and dynamic dial-up users. | |
84 | */ | |
85 | if(MyClient(target_p) && (target_p == source_p)) | |
86 | { | |
5203cba5 | 87 | rl = sprintf(response, "%s%s=%c%s@%s ", |
212380e3 | 88 | target_p->name, |
1123eefc | 89 | SeesOper(target_p, source_p) ? "*" : "", |
c127b45b | 90 | (target_p->user->away) ? '-' : '+', |
212380e3 AC |
91 | target_p->username, |
92 | target_p->sockhost); | |
93 | } | |
94 | else | |
95 | { | |
5203cba5 | 96 | rl = sprintf(response, "%s%s=%c%s@%s ", |
212380e3 | 97 | target_p->name, |
1123eefc | 98 | SeesOper(target_p, source_p) ? "*" : "", |
c127b45b | 99 | (target_p->user->away) ? '-' : '+', |
212380e3 AC |
100 | target_p->username, target_p->host); |
101 | } | |
102 | ||
103 | if((rl + cur_len) < (BUFSIZE - 10)) | |
104 | { | |
5203cba5 | 105 | sprintf(t, "%s", response); |
212380e3 AC |
106 | t += rl; |
107 | cur_len += rl; | |
108 | } | |
109 | else | |
110 | break; | |
111 | } | |
112 | } | |
113 | ||
114 | sendto_one(source_p, "%s", buf); | |
212380e3 | 115 | } |