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212380e3 AC |
1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * s_gline.c: GLine global ban functions. | |
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: s_gline.c 254 2005-09-21 23:35:12Z nenolod $ | |
25 | */ | |
26 | ||
27 | #include "stdinc.h" | |
28 | #include "tools.h" | |
29 | #include "channel.h" | |
30 | #include "client.h" | |
31 | #include "common.h" | |
32 | #include "config.h" | |
33 | #include "irc_string.h" | |
34 | #include "ircd.h" | |
35 | #include "hostmask.h" | |
36 | #include "numeric.h" | |
37 | #include "commio.h" | |
38 | #include "s_conf.h" | |
39 | #include "scache.h" | |
40 | #include "send.h" | |
41 | #include "msg.h" | |
42 | #include "s_serv.h" | |
43 | #include "s_gline.h" | |
44 | #include "hash.h" | |
45 | #include "event.h" | |
46 | #include "memory.h" | |
47 | ||
48 | dlink_list glines; | |
49 | ||
50 | static void expire_glines(void); | |
51 | static void expire_pending_glines(void); | |
52 | ||
53 | /* add_gline | |
54 | * | |
55 | * inputs - pointer to struct ConfItem | |
56 | * output - none | |
57 | * Side effects - links in given struct ConfItem into gline link list | |
58 | */ | |
59 | void | |
60 | add_gline(struct ConfItem *aconf) | |
61 | { | |
62 | dlinkAddTailAlloc(aconf, &glines); | |
63 | add_conf_by_address(aconf->host, CONF_GLINE, aconf->user, aconf); | |
64 | } | |
65 | ||
66 | /* | |
67 | * find_is_glined | |
68 | * inputs - hostname | |
69 | * - username | |
70 | * output - pointer to struct ConfItem if user@host glined | |
71 | * side effects - | |
72 | */ | |
73 | struct ConfItem * | |
74 | find_is_glined(const char *host, const char *user) | |
75 | { | |
76 | dlink_node *gline_node; | |
77 | struct ConfItem *kill_ptr; | |
78 | ||
79 | DLINK_FOREACH(gline_node, glines.head) | |
80 | { | |
81 | kill_ptr = gline_node->data; | |
82 | if((kill_ptr->user && (!user || match(kill_ptr->user, user))) | |
83 | && (kill_ptr->host && (!host || match(kill_ptr->host, host)))) | |
84 | { | |
85 | return (kill_ptr); | |
86 | } | |
87 | } | |
88 | ||
89 | return (NULL); | |
90 | } | |
91 | ||
92 | /* | |
93 | * cleanup_glines | |
94 | * | |
95 | * inputs - NONE | |
96 | * output - NONE | |
97 | * side effects - expire gline lists | |
98 | * This is an event started off in ircd.c | |
99 | */ | |
100 | void | |
101 | cleanup_glines(void *unused) | |
102 | { | |
103 | expire_glines(); | |
104 | expire_pending_glines(); | |
105 | } | |
106 | ||
107 | /* | |
108 | * expire_glines | |
109 | * | |
110 | * inputs - NONE | |
111 | * output - NONE | |
112 | * side effects - | |
113 | * | |
114 | * Go through the gline list, expire any needed. | |
115 | */ | |
116 | static void | |
117 | expire_glines() | |
118 | { | |
119 | dlink_node *gline_node; | |
120 | dlink_node *next_node; | |
121 | struct ConfItem *kill_ptr; | |
122 | ||
123 | DLINK_FOREACH_SAFE(gline_node, next_node, glines.head) | |
124 | { | |
125 | kill_ptr = gline_node->data; | |
126 | ||
127 | /* these are in chronological order */ | |
128 | if(kill_ptr->hold > CurrentTime) | |
129 | break; | |
130 | ||
131 | dlinkDestroy(gline_node, &glines); | |
132 | delete_one_address_conf(kill_ptr->host, kill_ptr); | |
133 | } | |
134 | } | |
135 | ||
136 | /* | |
137 | * expire_pending_glines | |
138 | * | |
139 | * inputs - NONE | |
140 | * output - NONE | |
141 | * side effects - | |
142 | * | |
143 | * Go through the pending gline list, expire any that haven't had | |
144 | * enough "votes" in the time period allowed | |
145 | */ | |
146 | static void | |
147 | expire_pending_glines() | |
148 | { | |
149 | dlink_node *pending_node; | |
150 | dlink_node *next_node; | |
151 | struct gline_pending *glp_ptr; | |
152 | ||
153 | DLINK_FOREACH_SAFE(pending_node, next_node, pending_glines.head) | |
154 | { | |
155 | glp_ptr = pending_node->data; | |
156 | ||
157 | if(((glp_ptr->last_gline_time + GLINE_PENDING_EXPIRE) <= | |
158 | CurrentTime) || find_is_glined(glp_ptr->host, glp_ptr->user)) | |
159 | ||
160 | { | |
161 | MyFree(glp_ptr->reason1); | |
162 | MyFree(glp_ptr->reason2); | |
163 | MyFree(glp_ptr); | |
164 | dlinkDestroy(pending_node, &pending_glines); | |
165 | } | |
166 | } | |
167 | } |