diff options
Diffstat (limited to 'src/wildcard.cpp')
-rw-r--r-- | src/wildcard.cpp | 149 |
1 files changed, 148 insertions, 1 deletions
diff --git a/src/wildcard.cpp b/src/wildcard.cpp index eeb6190f2..8587f1714 100644 --- a/src/wildcard.cpp +++ b/src/wildcard.cpp @@ -1 +1,148 @@ -/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 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.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <string>
#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 csmatch(str, mask);
}
CoreExport bool match(bool case_sensitive, const char *str, const char *mask)
{
return case_sensitive ? csmatch(str, mask) : match(str, mask);
}
\ No newline at end of file +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2007 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. + * + * --------------------------------------------------- + */ + +#include "inspircd.h" +#include <string> +#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 csmatch(str, mask); +} + +CoreExport bool match(bool case_sensitive, const char *str, const char *mask) +{ + return case_sensitive ? csmatch(str, mask) : match(str, mask); +} + |