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
138
139
140
141
142
143
144
145
146
147
148
149
150
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $Core: libIRCDwildcard */
#include "inspircd.h"
#include "hashcomp.h"
#include "inspstring.h"
using irc::sockets::MatchCIDR;
// Wed 27 Apr 2005 - Brain
// I've taken our our old wildcard routine -
// although comprehensive, it was topheavy and very
// slow, and ate masses of cpu when doing lots of
// comparisons. This is the 'de-facto' routine used
// by many, nobody really knows who wrote it first
// or what license its under, i've seen examples of it
// (unattributed to any author) all over the 'net.
// For now, we'll just consider this public domain.
CoreExport bool csmatch(const char *str, const char *mask)
{
unsigned char *cp = NULL, *mp = NULL;
unsigned char* string = (unsigned char*)str;
unsigned char* wild = (unsigned char*)mask;
while ((*string) && (*wild != '*'))
{
if ((*wild != *string) && (*wild != '?'))
{
return 0;
}
wild++;
string++;
}
while (*string)
{
if (*wild == '*')
{
if (!*++wild)
{
return 1;
}
mp = wild;
cp = string+1;
}
else
if ((*wild == *string) || (*wild == '?'))
{
wild++;
string++;
}
else
{
wild = mp;
string = cp++;
}
}
while (*wild == '*')
{
wild++;
}
return !*wild;
}
CoreExport bool match(const char *str, const char *mask)
{
unsigned char *cp = NULL, *mp = NULL;
unsigned char* string = (unsigned char*)str;
unsigned char* wild = (unsigned char*)mask;
while ((*string) && (*wild != '*'))
{
if ((lowermap[*wild] != lowermap[*string]) && (*wild != '?'))
{
return 0;
}
wild++;
string++;
}
while (*string)
{
if (*wild == '*')
{
if (!*++wild)
{
return 1;
}
mp = wild;
cp = string+1;
}
else
if ((lowermap[*wild] == lowermap[*string]) || (*wild == '?'))
{
wild++;
string++;
}
else
{
wild = mp;
string = cp++;
}
}
while (*wild == '*')
{
wild++;
}
return !*wild;
}
/* Overloaded function that has the option of using cidr */
CoreExport bool match(const char *str, const char *mask, bool use_cidr_match)
{
if (use_cidr_match && MatchCIDR(str, mask, true))
return true;
return match(str, mask);
}
CoreExport bool match(bool case_sensitive, const char *str, const char *mask, bool use_cidr_match)
{
if (use_cidr_match && MatchCIDR(str, mask, true))
return true;
return case_sensitive ? csmatch(str, mask) : match(str, mask);
}
CoreExport bool match(bool case_sensitive, const char *str, const char *mask)
{
return case_sensitive ? csmatch(str, mask) : match(str, mask);
}
|