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1 | /* | |
2 | * charybdis: A slightly useful ircd. | |
3 | * extban.c: extended ban types ($type:data) | |
4 | * | |
5 | * Copyright (C) 2006 charybdis development team | |
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: extban.c 1389 2006-05-20 19:19:00Z nenolod $ | |
23 | */ | |
24 | ||
25 | #include "stdinc.h" | |
26 | #include "tools.h" | |
27 | #include "channel.h" | |
28 | #include "client.h" | |
29 | #include "common.h" | |
30 | ||
31 | ExtbanFunc extban_table[256] = { NULL }; | |
32 | ||
33 | int | |
34 | match_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type) | |
35 | { | |
36 | const char *p; | |
37 | int invert = 0, result = EXTBAN_INVALID; | |
38 | ExtbanFunc f; | |
39 | ||
40 | if (*banstr != '$') | |
41 | return 0; | |
42 | p = banstr + 1; | |
43 | if (*p == '~') | |
44 | { | |
45 | invert = 1; | |
46 | p++; | |
47 | } | |
48 | f = extban_table[(unsigned char) ToLower(*p)]; | |
49 | if (*p != '\0') | |
50 | { | |
51 | p++; | |
52 | if (*p == ':') | |
53 | p++; | |
54 | else | |
55 | p = NULL; | |
56 | } | |
57 | if (f != NULL) | |
58 | result = f(p, client_p, chptr, mode_type); | |
59 | else | |
60 | result = EXTBAN_INVALID; | |
61 | ||
62 | if (invert) | |
63 | return result == EXTBAN_NOMATCH; | |
64 | else | |
65 | return result == EXTBAN_MATCH; | |
66 | } | |
67 | ||
68 | int | |
69 | valid_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type) | |
70 | { | |
71 | const char *p; | |
72 | int invert = 0, result = EXTBAN_INVALID; | |
73 | ExtbanFunc f; | |
74 | ||
75 | if (*banstr != '$') | |
76 | return 0; | |
77 | p = banstr + 1; | |
78 | if (*p == '~') | |
79 | { | |
80 | invert = 1; | |
81 | p++; | |
82 | } | |
83 | f = extban_table[(unsigned char) ToLower(*p)]; | |
84 | if (*p != '\0') | |
85 | { | |
86 | p++; | |
87 | if (*p == ':') | |
88 | p++; | |
89 | else | |
90 | p = NULL; | |
91 | } | |
92 | if (f != NULL) | |
93 | result = f(p, client_p, chptr, mode_type); | |
94 | else | |
95 | result = EXTBAN_INVALID; | |
96 | ||
97 | return result != EXTBAN_INVALID; | |
98 | } | |
99 | ||
100 | const char * | |
101 | get_extban_string(void) | |
102 | { | |
103 | static char e[256]; | |
104 | int i, j; | |
105 | ||
106 | j = 0; | |
107 | for (i = 1; i < 256; i++) | |
108 | if (i == ToLower(i) && extban_table[i]) | |
109 | e[j++] = i; | |
110 | e[j] = 0; | |
111 | return e; | |
112 | } |