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root/svn/ircd-hybrid-7.2/modules/m_names.c
Revision: 885
Committed: Wed Oct 31 18:09:24 2007 UTC (16 years, 5 months ago) by michael
Content type: text/x-csrc
File size: 4968 byte(s)
Log Message:
- Removed LazyLinks in 7.2 to stop people from asking why we keep
  broken code for half a decade. LL will be implemented in a smarter
  fashion in due time

File Contents

# User Rev Content
1 adx 30 /*
2     * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3     * m_names.c: Shows the users who are online.
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 knight 31 * $Id$
23 adx 30 */
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 "common.h" /* bleah */
32     #include "hash.h"
33     #include "irc_string.h"
34     #include "sprintf_irc.h"
35     #include "ircd.h"
36     #include "list.h"
37     #include "numeric.h"
38     #include "send.h"
39     #include "s_serv.h"
40     #include "s_conf.h"
41     #include "msg.h"
42     #include "parse.h"
43     #include "modules.h"
44    
45    
46     static void names_all_visible_channels(struct Client *);
47     static void names_non_public_non_secret(struct Client *);
48     static void m_names(struct Client *, struct Client *, int, char *[]);
49    
50     struct Message names_msgtab = {
51     "NAMES", 0, 0, 0, 0, MFLG_SLOW, 0,
52 michael 885 {m_unregistered, m_names, m_ignore, m_ignore, m_names, m_ignore}
53 adx 30 };
54    
55     #ifndef STATIC_MODULES
56     void
57     _modinit(void)
58     {
59     mod_add_cmd(&names_msgtab);
60     }
61    
62     void
63     _moddeinit(void)
64     {
65     mod_del_cmd(&names_msgtab);
66     }
67    
68 knight 31 const char *_version = "$Revision$";
69 adx 30 #endif
70    
71     /************************************************************************
72     * m_names() - Added by Jto 27 Apr 1989
73     ************************************************************************/
74    
75     /*
76     ** m_names
77     ** parv[0] = sender prefix
78     ** parv[1] = channel
79     */
80     static void
81     m_names(struct Client *client_p, struct Client *source_p,
82     int parc, char *parv[])
83     {
84     struct Channel *chptr = NULL;
85     char *s;
86     char *para = parc > 1 ? parv[1] : NULL;
87    
88     if (!EmptyString(para))
89     {
90     while (*para == ',')
91 michael 632 ++para;
92 adx 30
93     if ((s = strchr(para, ',')) != NULL)
94     *s = '\0';
95    
96     if (*para == '\0')
97     return;
98    
99     if ((chptr = hash_find_channel(para)) != NULL)
100     channel_member_names(source_p, chptr, 1);
101     else
102     sendto_one(source_p, form_str(RPL_ENDOFNAMES),
103     me.name, source_p->name, para);
104     }
105     else
106     {
107     names_all_visible_channels(source_p);
108     names_non_public_non_secret(source_p);
109     sendto_one(source_p, form_str(RPL_ENDOFNAMES),
110     me.name, source_p->name, "*");
111     }
112     }
113    
114     /* names_all_visible_channels()
115     *
116     * inputs - pointer to client struct requesting names
117     * output - none
118     * side effects - lists all visible channels whee!
119     */
120     static void
121     names_all_visible_channels(struct Client *source_p)
122     {
123 michael 885 dlink_node *ptr = NULL;
124 adx 30
125     /*
126     * First, do all visible channels (public and the one user self is)
127     */
128     DLINK_FOREACH(ptr, global_channel_list.head)
129     {
130     /* Find users on same channel (defined by chptr) */
131 michael 885 channel_member_names(source_p, ptr->data, 0);
132 adx 30 }
133     }
134    
135     /* names_non_public_non_secret()
136     *
137     * inputs - pointer to client struct requesting names
138     * output - none
139     * side effects - lists all non public non secret channels
140     */
141     static void
142     names_non_public_non_secret(struct Client *source_p)
143     {
144     int mlen, tlen, cur_len;
145     int reply_to_send = NO;
146     int shown_already;
147     dlink_node *gc2ptr, *lp;
148     struct Client *c2ptr;
149     struct Channel *ch3ptr = NULL;
150     char buf[IRCD_BUFSIZE];
151     char *t;
152    
153     mlen = ircsprintf(buf,form_str(RPL_NAMREPLY),
154     me.name, source_p->name, "*", "*");
155     cur_len = mlen;
156     t = buf + mlen;
157    
158     /* Second, do all non-public, non-secret channels in one big sweep */
159     DLINK_FOREACH(gc2ptr, global_client_list.head)
160     {
161     c2ptr = gc2ptr->data;
162    
163     if (!IsClient(c2ptr) || IsInvisible(c2ptr))
164     continue;
165    
166     shown_already = NO;
167    
168     /* We already know the user is not +i. If they are on no common
169     * channels with source_p, they have not been shown yet. */
170     DLINK_FOREACH(lp, c2ptr->channel.head)
171     {
172     ch3ptr = ((struct Membership *) lp->data)->chptr;
173    
174     if (IsMember(source_p, ch3ptr))
175     {
176     shown_already = YES;
177     break;
178     }
179     }
180    
181     if (shown_already)
182     continue;
183    
184     tlen = strlen(c2ptr->name);
185     if (cur_len + tlen + 1 > IRCD_BUFSIZE - 2)
186     {
187     sendto_one(source_p, "%s", buf);
188     cur_len = mlen;
189     t = buf + mlen;
190     }
191    
192     strcpy(t, c2ptr->name);
193     t += tlen;
194    
195     *t++ = ' ';
196     *t = 0;
197    
198     cur_len += tlen + 1;
199    
200     reply_to_send = YES;
201     }
202    
203     if (reply_to_send)
204     sendto_one(source_p, "%s", buf);
205     }

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision