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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_links.c: Shows what servers are currently connected. | |
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 | |
23 | * | |
24 | * $Id: m_links.c 254 2005-09-21 23:35:12Z nenolod $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "client.h" | |
29 | #include "irc_string.h" | |
30 | #include "ircd.h" | |
31 | #include "numeric.h" | |
32 | #include "s_serv.h" | |
33 | #include "send.h" | |
34 | #include "s_conf.h" | |
35 | #include "msg.h" | |
36 | #include "parse.h" | |
37 | #include "modules.h" | |
38 | #include "hook.h" | |
994544c2 | 39 | #include "scache.h" |
212380e3 AC |
40 | |
41 | static int m_links(struct Client *, struct Client *, int, const char **); | |
42 | static int mo_links(struct Client *, struct Client *, int, const char **); | |
43 | ||
44 | struct Message links_msgtab = { | |
45 | "LINKS", 0, 0, 0, MFLG_SLOW, | |
46 | {mg_unreg, {m_links, 0}, {mo_links, 0}, mg_ignore, mg_ignore, {mo_links, 0}} | |
47 | }; | |
48 | ||
49 | int doing_links_hook; | |
50 | ||
51 | mapi_clist_av1 links_clist[] = { &links_msgtab, NULL }; | |
52 | mapi_hlist_av1 links_hlist[] = { | |
53 | { "doing_links", &doing_links_hook }, | |
54 | { NULL, NULL } | |
55 | }; | |
56 | ||
57 | DECLARE_MODULE_AV1(links, NULL, NULL, links_clist, links_hlist, NULL, "$Revision: 254 $"); | |
58 | ||
212380e3 AC |
59 | /* |
60 | * m_links - LINKS message handler | |
61 | * parv[0] = sender prefix | |
62 | * parv[1] = servername mask | |
63 | * or | |
64 | * parv[0] = sender prefix | |
65 | * parv[1] = server to query | |
66 | * parv[2] = servername mask | |
67 | */ | |
68 | static int | |
69 | m_links(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
70 | { | |
71 | if(ConfigServerHide.flatten_links && !IsExemptShide(source_p)) | |
994544c2 | 72 | scache_send_flattened_links(source_p); |
212380e3 AC |
73 | else |
74 | mo_links(client_p, source_p, parc, parv); | |
75 | ||
76 | return 0; | |
77 | } | |
78 | ||
79 | static int | |
80 | mo_links(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
81 | { | |
82 | const char *mask = ""; | |
83 | struct Client *target_p; | |
84 | char clean_mask[2 * HOSTLEN + 4]; | |
85 | hook_data hd; | |
86 | ||
87 | dlink_node *ptr; | |
88 | ||
89 | if(parc > 2) | |
90 | { | |
91 | if(hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1, parc, parv) | |
92 | != HUNTED_ISME) | |
93 | return 0; | |
94 | ||
95 | mask = parv[2]; | |
96 | } | |
97 | else if(parc == 2) | |
98 | mask = parv[1]; | |
99 | ||
100 | if(*mask) /* only necessary if there is a mask */ | |
101 | mask = collapse(clean_string | |
102 | (clean_mask, (const unsigned char *) mask, 2 * HOSTLEN)); | |
103 | ||
104 | hd.client = source_p; | |
105 | hd.arg1 = mask; | |
106 | hd.arg2 = NULL; | |
107 | ||
108 | call_hook(doing_links_hook, &hd); | |
109 | ||
110 | DLINK_FOREACH(ptr, global_serv_list.head) | |
111 | { | |
112 | target_p = ptr->data; | |
113 | ||
114 | if(*mask && !match(mask, target_p->name)) | |
115 | continue; | |
116 | ||
117 | /* We just send the reply, as if theyre here theres either no SHIDE, | |
118 | * or theyre an oper.. | |
119 | */ | |
120 | sendto_one_numeric(source_p, RPL_LINKS, form_str(RPL_LINKS), | |
66c8fdd2 | 121 | target_p->name, target_p->servptr->name, |
212380e3 AC |
122 | target_p->hopcount, |
123 | target_p->info[0] ? target_p->info : "(Unknown Location)"); | |
124 | } | |
125 | ||
126 | sendto_one_numeric(source_p, RPL_ENDOFLINKS, form_str(RPL_ENDOFLINKS), | |
127 | EmptyString(mask) ? "*" : mask); | |
128 | ||
129 | return 0; | |
130 | } | |
131 |