1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
masks.c : irssi
Copyright (C) 1999-2000 Timo Sirainen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "module.h"
#include "network.h"
#include "misc.h"
#include "servers.h"
typedef int (*MASK_MATCH_FUNC) (const char *, const char *);
/* Returns TRUE if mask contains '!' ie. address should be checked too.
Also checks if mask contained any wildcards. */
static int check_address(const char *mask, int *wildcards)
{
int ret;
ret = FALSE;
while (*mask != '\0') {
if (*mask == '!') {
if (*wildcards) return TRUE;
ret = TRUE;
}
if (*mask == '?' || *mask == '*') {
*wildcards = TRUE;
if (ret) return TRUE;
}
mask++;
}
return ret;
}
static int check_mask(SERVER_REC *server, const char *mask,
const char *str, int wildcards)
{
MASK_MATCH_FUNC mask_match_func;
if (server != NULL && server->mask_match_func != NULL) {
/* use server specified mask match function */
mask_match_func = (MASK_MATCH_FUNC)server->mask_match_func;
return mask_match_func(mask, str);
}
return wildcards ? match_wildcards(mask, str) :
g_strcasecmp(mask, str) == 0;
}
int mask_match(SERVER_REC *server, const char *mask,
const char *nick, const char *user, const char *host)
{
char *str;
int ret, wildcards;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(mask != NULL && nick != NULL &&
nick != NULL && host != NULL, FALSE);
str = !check_address(mask, &wildcards) ? (char *) nick :
g_strdup_printf("%s!%s@%s", nick, user, host);
ret = check_mask(server, mask, str, wildcards);
if (str != nick) g_free(str);
return ret;
}
int mask_match_address(SERVER_REC *server, const char *mask,
const char *nick, const char *address)
{
char *str;
int ret, wildcards;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(mask != NULL && nick != NULL, FALSE);
if (address == NULL) address = "";
str = !check_address(mask, &wildcards) ? (char *) nick :
g_strdup_printf("%s!%s", nick, address);
ret = check_mask(server, mask, str, wildcards);
if (str != nick) g_free(str);
return ret;
}
int masks_match(SERVER_REC *server, const char *masks,
const char *nick, const char *address)
{
MASK_MATCH_FUNC mask_match_func;
char **list, **tmp, *mask;
int found;
g_return_val_if_fail(server == NULL || IS_SERVER(server), FALSE);
g_return_val_if_fail(masks != NULL &&
nick != NULL && address != NULL, FALSE);
mask_match_func = server != NULL && server->mask_match_func != NULL ?
(MASK_MATCH_FUNC) server->mask_match_func :
(MASK_MATCH_FUNC) match_wildcards;
found = FALSE;
mask = g_strdup_printf("%s!%s", nick, address);
list = g_strsplit(masks, " ", -1);
for (tmp = list; *tmp != NULL; tmp++) {
if (strchr(*tmp, '!') == NULL &&
g_strcasecmp(*tmp, nick) == 0) {
found = TRUE;
break;
}
if (mask_match_func(*tmp, mask)) {
found = TRUE;
break;
}
}
g_strfreev(list);
g_free(mask);
return found;
}
|
