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/*
Unix SMB/Netbios implementation.
Version 3.0
filename matching routine
Copyright (C) Andrew Tridgell 1992-1998
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
/*
This module was originally based on fnmatch.c copyright by the Free
Software Foundation. It bears little resemblence to that code now
*/
#if FNMATCH_TEST
#include <stdio.h>
#include <stdlib.h>
#else
#include "includes.h"
#endif
/*
bugger. we need a separate wildcard routine for older versions
of the protocol. This is not yet perfect, but its a lot
better thaan what we had */
static int ms_fnmatch_lanman_core(const char *pattern, const char *string)
{
const char *p = pattern, *n = string;
char c;
if (strcmp(p,"?")==0 && strcmp(n,".")==0) goto match;
while ((c = *p++)) {
switch (c) {
case '.':
if (! *n) goto next;
/* if (! *n && ! *p) goto match; */
if (*n != '.') goto nomatch;
n++;
break;
case '?':
if (! *n) goto next;
if ((*n == '.' && n[1] != '.') || ! *n) goto next;
n++;
break;
case '>':
if (! *n) goto next;
if (n[0] == '.') {
if (! n[1] && ms_fnmatch_lanman_core(p, n+1) == 0) goto match;
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
goto nomatch;
}
n++;
break;
case '*':
if (! *n) goto next;
if (! *p) goto match;
for (; *n; n++) {
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
}
break;
case '<':
for (; *n; n++) {
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
if (*n == '.' && !strchr(n+1,'.')) {
n++;
break;
}
}
break;
case '"':
if (*n == 0 && ms_fnmatch_lanman_core(p, n) == 0) goto match;
if (*n != '.') goto nomatch;
n++;
break;
default:
if (c != *n) goto nomatch;
n++;
}
}
if (! *n) goto match;
nomatch:
/*
if (verbose) printf("NOMATCH pattern=[%s] string=[%s]\n", pattern, string);
*/
return -1;
next:
if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
goto nomatch;
match:
/*
if (verbose) printf("MATCH pattern=[%s] string=[%s]\n", pattern, string);
*/
return 0;
}
static int ms_fnmatch_lanman1(const char *pattern, const char *string)
{
if (!strpbrk(pattern, "?*<>\"")) {
if (strcmp(string,"..") == 0) string = ".";
return strcasecmp(pattern, string);
}
if (strcmp(string,"..") == 0 || strcmp(string,".") == 0) {
return ms_fnmatch_lanman_core(pattern, "..") &&
ms_fnmatch_lanman_core(pattern, ".");
}
return ms_fnmatch_lanman_core(pattern, string);
}
/* the following function was derived using the masktest utility -
after years of effort we finally have a perfect MS wildcard
matching routine!
NOTE: this matches only filenames with no directory component
Returns 0 on match, -1 on fail.
*/
int ms_fnmatch(const char *pattern, const char *string)
{
const char *p = pattern, *n = string;
char c;
extern int Protocol;
if (Protocol <= PROTOCOL_LANMAN2) {
return ms_fnmatch_lanman1(pattern, string);
}
while ((c = *p++)) {
switch (c) {
case '?':
if (! *n) return -1;
n++;
break;
case '>':
if (n[0] == '.') {
if (! n[1] && ms_fnmatch(p, n+1) == 0) return 0;
if (ms_fnmatch(p, n) == 0) return 0;
return -1;
}
if (! *n) return ms_fnmatch(p, n);
n++;
break;
case '*':
for (; *n; n++) {
if (ms_fnmatch(p, n) == 0) return 0;
}
break;
case '<':
for (; *n; n++) {
if (ms_fnmatch(p, n) == 0) return 0;
if (*n == '.' && !strchr(n+1,'.')) {
n++;
break;
}
}
break;
case '"':
if (*n == 0 && ms_fnmatch(p, n) == 0) return 0;
if (*n != '.') return -1;
n++;
break;
default:
if (c != *n) return -1;
n++;
}
}
if (! *n) return 0;
return -1;
}
#if FNMATCH_TEST
static int match_one(char *pattern, char *file)
{
if (strcmp(file,"..") == 0) file = ".";
if (strcmp(pattern,".") == 0) return -1;
return ms_fnmatch(pattern, file);
}
static char *match_test(char *pattern, char *file, char *short_name)
{
static char ret[4];
strncpy(ret, "---", 3);
if (match_one(pattern, ".") == 0) ret[0] = '+';
if (match_one(pattern, "..") == 0) ret[1] = '+';
if (match_one(pattern, file) == 0 ||
(*short_name && match_one(pattern, short_name)==0)) ret[2] = '+';
return ret;
}
int main(int argc, char *argv[])
{
int ret;
char ans[4], mask[100], file[100], mfile[100];
char *ans2;
int n, i=0;
char line[200];
if (argc == 3) {
ret = ms_fnmatch(argv[1], argv[2]);
if (ret == 0)
printf("YES\n");
else printf("NO\n");
return ret;
}
mfile[0] = 0;
while (fgets(line, sizeof(line)-1, stdin)) {
n = sscanf(line, "%3s %s %s %s\n", ans, mask, file, mfile);
if (n < 3) continue;
ans2 = match_test(mask, file, mfile);
if (strcmp(ans2, ans)) {
printf("%s %s %d mask=[%s] file=[%s] mfile=[%s]\n",
ans, ans2, i, mask, file, mfile);
}
i++;
mfile[0] = 0;
}
return 0;
}
#endif /* FNMATCH_TEST */
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