1 |
adx |
30 |
/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* m_whois.c: Shows who a user is. |
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* |
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* Copyright (C) 2005 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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knight |
31 |
* $Id$ |
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adx |
30 |
*/ |
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#include "stdinc.h" |
26 |
michael |
1011 |
#include "list.h" |
27 |
adx |
30 |
#include "client.h" |
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#include "hash.h" |
29 |
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#include "channel.h" |
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#include "channel_mode.h" |
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#include "ircd.h" |
32 |
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#include "numeric.h" |
33 |
michael |
1309 |
#include "conf.h" |
34 |
adx |
30 |
#include "s_misc.h" |
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#include "s_serv.h" |
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#include "send.h" |
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#include "irc_string.h" |
38 |
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#include "parse.h" |
39 |
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#include "modules.h" |
40 |
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41 |
michael |
1243 |
|
42 |
michael |
1225 |
static void do_whois(struct Client *, int, char *[]); |
43 |
adx |
30 |
static int single_whois(struct Client *, struct Client *); |
44 |
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static void whois_person(struct Client *, struct Client *); |
45 |
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static int global_whois(struct Client *, const char *); |
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47 |
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48 |
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/* |
49 |
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** m_whois |
50 |
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** parv[0] = sender prefix |
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** parv[1] = nickname masklist |
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*/ |
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static void |
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m_whois(struct Client *client_p, struct Client *source_p, |
55 |
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int parc, char *parv[]) |
56 |
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{ |
57 |
adx |
269 |
static time_t last_used = 0; |
58 |
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59 |
adx |
30 |
if (parc < 2 || EmptyString(parv[1])) |
60 |
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{ |
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sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), |
62 |
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me.name, source_p->name); |
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return; |
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} |
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michael |
93 |
if (parc > 2 && !EmptyString(parv[2])) |
67 |
adx |
30 |
{ |
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/* seeing as this is going across servers, we should limit it */ |
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if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime) |
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{ |
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sendto_one(source_p, form_str(RPL_LOAD2HI), |
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me.name, source_p->name); |
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return; |
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} |
75 |
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michael |
1121 |
last_used = CurrentTime; |
77 |
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78 |
adx |
30 |
/* if we have serverhide enabled, they can either ask the clients |
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* server, or our server.. I dont see why they would need to ask |
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* anything else for info about the client.. --fl_ |
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*/ |
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if (ConfigFileEntry.disable_remote) |
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parv[1] = parv[2]; |
84 |
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85 |
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if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, |
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parc, parv) != HUNTED_ISME) |
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return; |
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parv[1] = parv[2]; |
90 |
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} |
91 |
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92 |
michael |
1225 |
do_whois(source_p, parc, parv); |
93 |
adx |
30 |
} |
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/* |
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** mo_whois |
97 |
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** parv[0] = sender prefix |
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** parv[1] = nickname masklist |
99 |
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*/ |
100 |
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static void |
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mo_whois(struct Client *client_p, struct Client *source_p, |
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int parc, char *parv[]) |
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{ |
104 |
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if (parc < 2 || EmptyString(parv[1])) |
105 |
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{ |
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sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), |
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me.name, source_p->name); |
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return; |
109 |
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} |
110 |
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111 |
michael |
93 |
if (parc > 2 && !EmptyString(parv[2])) |
112 |
adx |
30 |
{ |
113 |
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if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, |
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parc, parv) != HUNTED_ISME) |
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return; |
116 |
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parv[1] = parv[2]; |
118 |
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} |
119 |
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120 |
michael |
1225 |
do_whois(source_p, parc, parv); |
121 |
adx |
30 |
} |
122 |
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/* do_whois() |
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* |
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* inputs - pointer to /whois source |
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* - number of parameters |
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* - pointer to parameters array |
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* output - pointer to void |
129 |
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* side effects - Does whois |
130 |
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*/ |
131 |
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static void |
132 |
michael |
1225 |
do_whois(struct Client *source_p, int parc, char *parv[]) |
133 |
adx |
30 |
{ |
134 |
adx |
269 |
static time_t last_used = 0; |
135 |
adx |
30 |
struct Client *target_p; |
136 |
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char *nick; |
137 |
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char *p = NULL; |
138 |
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int found = 0; |
139 |
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140 |
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nick = parv[1]; |
141 |
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while (*nick == ',') |
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nick++; |
143 |
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if ((p = strchr(nick,',')) != NULL) |
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*p = '\0'; |
145 |
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146 |
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if (*nick == '\0') |
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return; |
148 |
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149 |
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collapse(nick); |
150 |
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151 |
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if (strpbrk(nick, "?#*") == NULL) |
152 |
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{ |
153 |
michael |
1169 |
if ((target_p = hash_find_client(nick)) != NULL) |
154 |
adx |
30 |
{ |
155 |
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if (IsClient(target_p)) |
156 |
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{ |
157 |
adx |
268 |
whois_person(source_p, target_p); |
158 |
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found = 1; |
159 |
adx |
30 |
} |
160 |
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} |
161 |
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} |
162 |
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else /* wilds is true */ |
163 |
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{ |
164 |
michael |
1219 |
if (!HasUMode(source_p, UMODE_OPER)) |
165 |
adx |
268 |
{ |
166 |
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if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime) |
167 |
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{ |
168 |
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sendto_one(source_p, form_str(RPL_LOAD2HI), |
169 |
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me.name, source_p->name); |
170 |
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return; |
171 |
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} |
172 |
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else |
173 |
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last_used = CurrentTime; |
174 |
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} |
175 |
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176 |
adx |
30 |
/* Oh-oh wilds is true so have to do it the hard expensive way */ |
177 |
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if (MyClient(source_p)) |
178 |
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found = global_whois(source_p, nick); |
179 |
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} |
180 |
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181 |
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if (!found) |
182 |
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{ |
183 |
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if (!IsDigit(*nick)) |
184 |
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sendto_one(source_p, form_str(ERR_NOSUCHNICK), |
185 |
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me.name, source_p->name, nick); |
186 |
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} |
187 |
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188 |
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sendto_one(source_p, form_str(RPL_ENDOFWHOIS), |
189 |
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me.name, source_p->name, parv[1]); |
190 |
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} |
191 |
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192 |
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/* global_whois() |
193 |
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* |
194 |
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* Inputs - source_p client to report to |
195 |
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* - target_p client to report on |
196 |
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* Output - if found return 1 |
197 |
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* Side Effects - do a single whois on given client |
198 |
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* writing results to source_p |
199 |
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*/ |
200 |
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static int |
201 |
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global_whois(struct Client *source_p, const char *nick) |
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{ |
203 |
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dlink_node *ptr; |
204 |
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struct Client *target_p; |
205 |
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int found = 0; |
206 |
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207 |
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DLINK_FOREACH(ptr, global_client_list.head) |
208 |
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{ |
209 |
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target_p = ptr->data; |
210 |
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211 |
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if (!IsClient(target_p)) |
212 |
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continue; |
213 |
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214 |
michael |
1652 |
if (match(nick, target_p->name)) |
215 |
adx |
30 |
continue; |
216 |
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217 |
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assert(target_p->servptr != NULL); |
218 |
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219 |
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/* 'Rules' established for sending a WHOIS reply: |
220 |
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* |
221 |
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* |
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* - if wildcards are being used dont send a reply if |
223 |
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* the querier isnt any common channels and the |
224 |
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* client in question is invisible and wildcards are |
225 |
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* in use (allow exact matches only); |
226 |
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* |
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* - only send replies about common or public channels |
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* the target user(s) are on; |
229 |
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*/ |
230 |
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231 |
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found |= single_whois(source_p, target_p); |
232 |
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} |
233 |
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234 |
michael |
885 |
return found; |
235 |
adx |
30 |
} |
236 |
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237 |
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/* single_whois() |
238 |
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* |
239 |
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* Inputs - source_p client to report to |
240 |
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* - target_p client to report on |
241 |
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* Output - if found return 1 |
242 |
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* Side Effects - do a single whois on given client |
243 |
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* writing results to source_p |
244 |
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*/ |
245 |
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static int |
246 |
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single_whois(struct Client *source_p, struct Client *target_p) |
247 |
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{ |
248 |
michael |
1121 |
dlink_node *ptr = NULL; |
249 |
adx |
30 |
|
250 |
michael |
1219 |
if (!HasUMode(target_p, UMODE_INVISIBLE) || target_p == source_p) |
251 |
adx |
30 |
{ |
252 |
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/* always show user if they are visible (no +i) */ |
253 |
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whois_person(source_p, target_p); |
254 |
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return 1; |
255 |
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} |
256 |
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257 |
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/* target_p is +i. Check if it is on any common channels with source_p */ |
258 |
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DLINK_FOREACH(ptr, target_p->channel.head) |
259 |
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{ |
260 |
michael |
1121 |
struct Channel *chptr = ((struct Membership *) ptr->data)->chptr; |
261 |
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262 |
adx |
30 |
if (IsMember(source_p, chptr)) |
263 |
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{ |
264 |
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whois_person(source_p, target_p); |
265 |
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return 1; |
266 |
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} |
267 |
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} |
268 |
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269 |
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return 0; |
270 |
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} |
271 |
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272 |
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/* whois_person() |
273 |
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* |
274 |
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* inputs - source_p client to report to |
275 |
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* - target_p client to report on |
276 |
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* output - NONE |
277 |
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* side effects - |
278 |
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*/ |
279 |
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static void |
280 |
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whois_person(struct Client *source_p, struct Client *target_p) |
281 |
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{ |
282 |
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char buf[IRCD_BUFSIZE]; |
283 |
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dlink_node *lp; |
284 |
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struct Client *server_p; |
285 |
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struct Channel *chptr; |
286 |
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struct Membership *ms; |
287 |
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int cur_len = 0; |
288 |
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int mlen; |
289 |
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char *t = NULL; |
290 |
|
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int tlen; |
291 |
michael |
1243 |
int reply_to_send = 0; |
292 |
michael |
1547 |
int show_ip = 0; |
293 |
adx |
30 |
|
294 |
|
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server_p = target_p->servptr; |
295 |
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|
296 |
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sendto_one(source_p, form_str(RPL_WHOISUSER), |
297 |
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me.name, source_p->name, target_p->name, |
298 |
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target_p->username, target_p->host, target_p->info); |
299 |
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|
300 |
michael |
1233 |
cur_len = mlen = snprintf(buf, sizeof(buf), form_str(RPL_WHOISCHANNELS), |
301 |
|
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me.name, source_p->name, target_p->name, ""); |
302 |
adx |
30 |
t = buf + mlen; |
303 |
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|
304 |
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DLINK_FOREACH(lp, target_p->channel.head) |
305 |
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{ |
306 |
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ms = lp->data; |
307 |
|
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chptr = ms->chptr; |
308 |
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|
309 |
|
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if (ShowChannel(source_p, chptr)) |
310 |
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{ |
311 |
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if ((cur_len + 3 + strlen(chptr->chname) + 1) > (IRCD_BUFSIZE - 2)) |
312 |
|
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{ |
313 |
|
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*(t - 1) = '\0'; |
314 |
|
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sendto_one(source_p, "%s", buf); |
315 |
|
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cur_len = mlen; |
316 |
|
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t = buf + mlen; |
317 |
|
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} |
318 |
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|
319 |
michael |
1793 |
tlen = sprintf(t, "%s%s ", get_member_status(ms, 1), chptr->chname); |
320 |
adx |
30 |
t += tlen; |
321 |
|
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cur_len += tlen; |
322 |
michael |
1243 |
reply_to_send = 1; |
323 |
adx |
30 |
} |
324 |
|
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} |
325 |
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|
326 |
|
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if (reply_to_send) |
327 |
|
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{ |
328 |
|
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*(t - 1) = '\0'; |
329 |
|
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sendto_one(source_p, "%s", buf); |
330 |
|
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} |
331 |
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|
332 |
michael |
1219 |
if (HasUMode(source_p, UMODE_OPER) || !ConfigServerHide.hide_servers || target_p == source_p) |
333 |
adx |
30 |
sendto_one(source_p, form_str(RPL_WHOISSERVER), |
334 |
|
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me.name, source_p->name, target_p->name, |
335 |
|
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server_p->name, server_p->info); |
336 |
|
|
else |
337 |
|
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sendto_one(source_p, form_str(RPL_WHOISSERVER), |
338 |
|
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me.name, source_p->name, target_p->name, |
339 |
|
|
ConfigServerHide.hidden_name, |
340 |
|
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ServerInfo.network_desc); |
341 |
|
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|
342 |
michael |
1164 |
if (HasUMode(target_p, UMODE_REGISTERED)) |
343 |
michael |
1162 |
sendto_one(source_p, form_str(RPL_WHOISREGNICK), |
344 |
|
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me.name, source_p->name, target_p->name); |
345 |
michael |
1158 |
|
346 |
michael |
1483 |
if (target_p->away[0]) |
347 |
adx |
30 |
sendto_one(source_p, form_str(RPL_AWAY), |
348 |
|
|
me.name, source_p->name, target_p->name, |
349 |
|
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target_p->away); |
350 |
|
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|
351 |
michael |
1333 |
if (HasUMode(target_p, UMODE_CALLERID) && !HasUMode(target_p, UMODE_SOFTCALLERID)) |
352 |
adx |
660 |
sendto_one(source_p, form_str(RPL_TARGUMODEG), |
353 |
|
|
me.name, source_p->name, target_p->name); |
354 |
|
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|
355 |
michael |
1219 |
if (HasUMode(target_p, UMODE_OPER)) |
356 |
michael |
1294 |
if (!HasUMode(target_p, UMODE_HIDDEN) || HasUMode(source_p, UMODE_OPER)) |
357 |
|
|
sendto_one(source_p, form_str(HasUMode(target_p, UMODE_ADMIN) ? RPL_WHOISADMIN : |
358 |
|
|
RPL_WHOISOPERATOR), |
359 |
|
|
me.name, source_p->name, target_p->name); |
360 |
adx |
30 |
|
361 |
michael |
1547 |
if (strcmp(target_p->sockhost, "0")) |
362 |
adx |
30 |
{ |
363 |
michael |
1547 |
if (HasUMode(source_p, UMODE_ADMIN) || source_p == target_p) |
364 |
|
|
show_ip = 1; |
365 |
|
|
else if (IsIPSpoof(target_p)) |
366 |
|
|
show_ip = (HasUMode(source_p, UMODE_OPER) && !ConfigFileEntry.hide_spoof_ips); |
367 |
|
|
else |
368 |
|
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show_ip = 1; |
369 |
db |
280 |
|
370 |
michael |
1547 |
sendto_one(source_p, form_str(RPL_WHOISACTUALLY), |
371 |
|
|
me.name, source_p->name, target_p->name, |
372 |
|
|
show_ip ? target_p->sockhost : "255.255.255.255"); |
373 |
adx |
30 |
} |
374 |
|
|
|
375 |
|
|
if (MyConnect(target_p)) /* Can't do any of this if not local! db */ |
376 |
|
|
{ |
377 |
|
|
#ifdef HAVE_LIBCRYPTO |
378 |
|
|
if (target_p->localClient->fd.ssl) |
379 |
michael |
1114 |
sendto_one(source_p, form_str(RPL_WHOISSECURE), |
380 |
adx |
30 |
me.name, source_p->name, target_p->name); |
381 |
|
|
#endif |
382 |
|
|
sendto_one(source_p, form_str(RPL_WHOISIDLE), |
383 |
|
|
me.name, source_p->name, target_p->name, |
384 |
michael |
1783 |
idle_time_get(source_p, target_p), |
385 |
michael |
1241 |
target_p->localClient->firsttime); |
386 |
michael |
1144 |
|
387 |
michael |
1219 |
if (HasUMode(target_p, UMODE_OPER) && target_p != source_p) |
388 |
|
|
if (HasUMode(target_p, UMODE_SPY)) |
389 |
michael |
1144 |
sendto_one(target_p, ":%s NOTICE %s :*** Notice -- %s (%s@%s) [%s] is doing " |
390 |
|
|
"a whois on you", me.name, target_p->name, source_p->name, |
391 |
|
|
source_p->username, source_p->host, source_p->servptr->name); |
392 |
adx |
30 |
} |
393 |
|
|
} |
394 |
michael |
1230 |
|
395 |
|
|
static struct Message whois_msgtab = { |
396 |
|
|
"WHOIS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0, |
397 |
|
|
{ m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore } |
398 |
|
|
}; |
399 |
|
|
|
400 |
|
|
static void |
401 |
|
|
module_init(void) |
402 |
|
|
{ |
403 |
|
|
mod_add_cmd(&whois_msgtab); |
404 |
|
|
} |
405 |
|
|
|
406 |
|
|
static void |
407 |
|
|
module_exit(void) |
408 |
|
|
{ |
409 |
|
|
mod_del_cmd(&whois_msgtab); |
410 |
|
|
} |
411 |
|
|
|
412 |
|
|
struct module module_entry = { |
413 |
|
|
.node = { NULL, NULL, NULL }, |
414 |
|
|
.name = NULL, |
415 |
|
|
.version = "$Revision$", |
416 |
|
|
.handle = NULL, |
417 |
|
|
.modinit = module_init, |
418 |
|
|
.modexit = module_exit, |
419 |
|
|
.flags = 0 |
420 |
|
|
}; |