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212380e3 AC |
1 | /* |
2 | * charybdis: A slightly useful ircd. | |
3 | * extban.c: extended ban types ($type:data) | |
4 | * | |
5 | * Copyright (C) 2006 charybdis development team | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
20 | * USA | |
212380e3 AC |
21 | */ |
22 | ||
23 | #include "stdinc.h" | |
212380e3 AC |
24 | #include "channel.h" |
25 | #include "client.h" | |
212380e3 AC |
26 | |
27 | ExtbanFunc extban_table[256] = { NULL }; | |
28 | ||
29 | int | |
30 | match_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type) | |
31 | { | |
32 | const char *p; | |
33 | int invert = 0, result = EXTBAN_INVALID; | |
34 | ExtbanFunc f; | |
35 | ||
36 | if (*banstr != '$') | |
37 | return 0; | |
38 | p = banstr + 1; | |
39 | if (*p == '~') | |
40 | { | |
41 | invert = 1; | |
42 | p++; | |
43 | } | |
7e6b5384 | 44 | f = extban_table[(unsigned char) irctolower(*p)]; |
212380e3 AC |
45 | if (*p != '\0') |
46 | { | |
47 | p++; | |
48 | if (*p == ':') | |
49 | p++; | |
50 | else | |
51 | p = NULL; | |
52 | } | |
53 | if (f != NULL) | |
54 | result = f(p, client_p, chptr, mode_type); | |
55 | else | |
56 | result = EXTBAN_INVALID; | |
57 | ||
58 | if (invert) | |
59 | return result == EXTBAN_NOMATCH; | |
60 | else | |
61 | return result == EXTBAN_MATCH; | |
62 | } | |
63 | ||
64 | int | |
65 | valid_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type) | |
66 | { | |
67 | const char *p; | |
d7dc7ae6 | 68 | int result = EXTBAN_INVALID; |
212380e3 AC |
69 | ExtbanFunc f; |
70 | ||
71 | if (*banstr != '$') | |
72 | return 0; | |
73 | p = banstr + 1; | |
74 | if (*p == '~') | |
212380e3 | 75 | p++; |
7e6b5384 | 76 | f = extban_table[(unsigned char) irctolower(*p)]; |
212380e3 AC |
77 | if (*p != '\0') |
78 | { | |
79 | p++; | |
80 | if (*p == ':') | |
81 | p++; | |
82 | else | |
83 | p = NULL; | |
84 | } | |
85 | if (f != NULL) | |
86 | result = f(p, client_p, chptr, mode_type); | |
87 | else | |
88 | result = EXTBAN_INVALID; | |
89 | ||
90 | return result != EXTBAN_INVALID; | |
91 | } | |
92 | ||
93 | const char * | |
94 | get_extban_string(void) | |
95 | { | |
96 | static char e[256]; | |
97 | int i, j; | |
98 | ||
99 | j = 0; | |
100 | for (i = 1; i < 256; i++) | |
7e6b5384 | 101 | if (i == irctolower(i) && extban_table[i]) |
212380e3 AC |
102 | e[j++] = i; |
103 | e[j] = 0; | |
104 | return e; | |
105 | } |