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root/svn/ircd-hybrid-7.2/modules/m_list.c
Revision: 34
Committed: Sun Oct 2 21:05:51 2005 UTC (18 years, 5 months ago) by lusky
Content type: text/x-csrc
File size: 7071 byte(s)
Log Message:
create 7.2 branch, we can move/rename it as needed.


File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * m_list.c: List channel given or all channels.
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 "tools.h"
27 #include "handlers.h"
28 #include "channel.h"
29 #include "channel_mode.h"
30 #include "client.h"
31 #include "hash.h"
32 #include "irc_string.h"
33 #include "ircd.h"
34 #include "numeric.h"
35 #include "s_conf.h"
36 #include "s_serv.h"
37 #include "send.h"
38 #include "list.h"
39 #include "msg.h"
40 #include "parse.h"
41 #include "modules.h"
42 #include "s_user.h"
43
44 static void m_list(struct Client *, struct Client *, int, char **);
45 static void ms_list(struct Client *, struct Client *, int, char **);
46 static void mo_list(struct Client *, struct Client *, int, char **);
47
48 struct Message list_msgtab = {
49 "LIST", 0, 0, 0, 0, MFLG_SLOW, 0,
50 {m_unregistered, m_list, ms_list, m_ignore, mo_list, m_ignore}
51 };
52
53 #ifndef STATIC_MODULES
54 void
55 _modinit(void)
56 {
57 mod_add_cmd(&list_msgtab);
58 add_isupport("ELIST", "CMNTU", -1);
59 add_isupport("SAFELIST", NULL, -1);
60 }
61
62 void
63 _moddeinit(void)
64 {
65 mod_del_cmd(&list_msgtab);
66 delete_isupport("ELIST");
67 delete_isupport("SAFELIST");
68 }
69
70 const char *_version = "$Revision$";
71 #endif
72
73 static int
74 has_wildcards(const char *s)
75 {
76 char c;
77
78 while ((c = *s++))
79 if (IsMWildChar(c))
80 return 1;
81
82 return 0;
83 }
84
85 static void
86 do_list(struct Client *source_p, int parc, char *parv[])
87 {
88 struct ListTask *lt;
89 int no_masked_channels;
90
91 if (MyConnect(source_p))
92 {
93 if (source_p->localClient->list_task != NULL)
94 {
95 free_list_task(source_p->localClient->list_task, source_p);
96 sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
97 return;
98 }
99 }
100
101 lt = (struct ListTask *) MyMalloc(sizeof(struct ListTask));
102 lt->users_max = UINT_MAX;
103 lt->created_max = UINT_MAX;
104 lt->topicts_max = UINT_MAX;
105 if (MyConnect(source_p))
106 source_p->localClient->list_task = lt;
107 no_masked_channels = 1;
108
109 if (parc > 1)
110 {
111 char *opt, *save;
112 dlink_list *list;
113 int i, errors = 0;
114
115 for (opt = strtoken(&save, parv[1], ","); opt != NULL;
116 opt = strtoken(&save, NULL, ","))
117 switch (*opt)
118 {
119 case '<': if ((i = atoi(opt + 1)) > 0)
120 lt->users_max = (unsigned int) i - 1;
121 else
122 errors = 1;
123 break;
124 case '>': if ((i = atoi(opt + 1)) >= 0)
125 lt->users_min = (unsigned int) i + 1;
126 else
127 errors = 1;
128 break;
129 case '-': break;
130 case 'C':
131 case 'c': switch (*++opt)
132 {
133 case '<': if ((i = atoi(opt + 1)) >= 0)
134 lt->created_max = (unsigned int) (CurrentTime
135 - 60 * i);
136 else
137 errors = 1;
138 break;
139 case '>': if ((i = atoi(opt + 1)) >= 0)
140 lt->created_min = (unsigned int) (CurrentTime
141 - 60 * i);
142 else
143 errors = 1;
144 break;
145 default: errors = 1;
146 }
147 break;
148 case 'T':
149 case 't': switch (*++opt)
150 {
151 case '<': if ((i = atoi(opt + 1)) >= 0)
152 lt->topicts_min = (unsigned int) (CurrentTime
153 - 60 * i);
154 else
155 errors = 1;
156 break;
157 case '>': if ((i = atoi(opt + 1)) >= 0)
158 lt->topicts_max = (unsigned int) (CurrentTime
159 - 60 * i);
160 else
161 errors = 1;
162 break;
163 default: errors = 1;
164 }
165 break;
166 default: if (*opt == '!')
167 {
168 list = &lt->hide_mask;
169 opt++;
170 }
171 else list = &lt->show_mask;
172
173 if (has_wildcards(opt + !!IsChanPrefix(*opt)))
174 {
175 if (list == &lt->show_mask)
176 no_masked_channels = 0;
177 }
178 else if (!IsChanPrefix(*opt))
179 errors = 1;
180 if (!errors)
181 {
182 char *s;
183 DupString(s, opt);
184 dlinkAdd(s, make_dlink_node(), list);
185 }
186 }
187 if (errors)
188 {
189 free_list_task(lt, source_p);
190 sendto_one(source_p, form_str(ERR_LISTSYNTAX),
191 MyConnect(source_p) ? me.name : ID(&me),
192 MyConnect(source_p) ? source_p->name : ID(source_p));
193 return;
194 }
195 }
196
197
198 if (MyConnect(source_p))
199 dlinkAdd(source_p, make_dlink_node(), &listing_client_list);
200 sendto_one(source_p, form_str(RPL_LISTSTART),
201 MyConnect(source_p) ? me.name : ID(&me),
202 MyConnect(source_p) ? source_p->name : ID(source_p));
203 safe_list_channels(source_p, lt, no_masked_channels &&
204 lt->show_mask.head != NULL, !MyConnect(source_p));
205 }
206
207 /*
208 ** m_list
209 ** parv[0] = sender prefix
210 ** parv[1] = channel
211 */
212 static void
213 m_list(struct Client *client_p, struct Client *source_p,
214 int parc, char *parv[])
215 {
216 static time_t last_used = 0;
217
218 /* If not a LazyLink connection, see if its still paced */
219 /* If we're forwarding this to uplinks.. it should be paced due to the
220 * traffic involved in /list.. -- fl_ */
221 if (((last_used + ConfigFileEntry.pace_wait) > CurrentTime))
222 {
223 sendto_one(source_p,form_str(RPL_LOAD2HI),me.name,parv[0]);
224 return;
225 }
226 else
227 last_used = CurrentTime;
228
229 /* If its a LazyLinks connection, let uplink handle the list */
230 if (uplink && IsCapable(uplink, CAP_LL))
231 {
232 if (parc < 2)
233 sendto_one(uplink, ":%s LIST", source_p->name);
234 else
235 sendto_one(uplink, ":%s LIST %s", source_p->name, parv[1]);
236 return;
237 }
238
239 do_list(source_p, parc, parv);
240 }
241
242 /*
243 ** mo_list
244 ** parv[0] = sender prefix
245 ** parv[1] = channel
246 */
247 static void
248 mo_list(struct Client *client_p, struct Client *source_p,
249 int parc, char *parv[])
250 {
251 /* If its a LazyLinks connection, let uplink handle the list
252 * even for opers!
253 */
254
255 if (uplink && IsCapable(uplink, CAP_LL))
256 {
257 if (parc < 2)
258 sendto_one(uplink, ":%s LIST", source_p->name);
259 else
260 sendto_one(uplink, ":%s LIST %s", source_p->name, parv[1]);
261 return;
262 }
263
264 do_list(source_p, parc, parv);
265 }
266
267 /*
268 ** ms_list
269 ** parv[0] = sender prefix
270 ** parv[1] = channel
271 */
272 static void
273 ms_list(struct Client *client_p, struct Client *source_p,
274 int parc, char *parv[])
275 {
276 /* Only allow remote list if LazyLink request */
277 if (ServerInfo.hub)
278 {
279 if (!IsCapable(client_p->from, CAP_LL) && !MyConnect(source_p))
280 return;
281
282 do_list(source_p, parc, parv);
283 }
284 }

Properties

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svn:eol-style native
svn:keywords Id Revision