2 Unix SMB/Netbios implementation.
4 filename matching routine
5 Copyright (C) Andrew Tridgell 1992-1998
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.
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
22 This module was originally based on fnmatch.c copyright by the Free
23 Software Foundation. It bears little resemblence to that code now
35 bugger. we need a separate wildcard routine for older versions
36 of the protocol. This is not yet perfect, but its a lot
37 better than what we had */
38 static int ms_fnmatch_lanman_core(const smb_ucs2_t *pattern,
39 const smb_ucs2_t *string)
41 const smb_ucs2_t *p = pattern, *n = string;
44 if (strcmp_wa(p, "?")==0 && strcmp_wa(n, ".")) goto match;
50 if (*n != UCS2_CHAR('.')) goto nomatch;
56 if ((*n == UCS2_CHAR('.') &&
57 n[1] != UCS2_CHAR('.')) || ! *n)
64 if (n[0] == UCS2_CHAR('.')) {
65 if (! n[1] && ms_fnmatch_lanman_core(p, n+1) == 0) goto match;
66 if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
76 if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
82 if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
83 if (*n == UCS2_CHAR('.') &&
84 !strchr_w(n+1,UCS2_CHAR('.'))) {
92 if (*n == 0 && ms_fnmatch_lanman_core(p, n) == 0) goto match;
93 if (*n != UCS2_CHAR('.')) goto nomatch;
98 if (c != *n) goto nomatch;
103 if (! *n) goto match;
107 if (verbose) printf("NOMATCH pattern=[%s] string=[%s]\n", pattern, string);
112 if (ms_fnmatch_lanman_core(p, n) == 0) goto match;
117 if (verbose) printf("MATCH pattern=[%s] string=[%s]\n", pattern, string);
122 static int ms_fnmatch_lanman1(const smb_ucs2_t *pattern, const smb_ucs2_t *string)
124 if (!strpbrk_wa(pattern, "?*<>\"")) {
125 smb_ucs2_t s[] = {UCS2_CHAR('.'), 0};
126 if (strcmp_wa(string,"..") == 0) string = s;
127 return strcasecmp_w(pattern, string);
130 if (strcmp_wa(string,"..") == 0 || strcmp_wa(string,".") == 0) {
131 smb_ucs2_t dot[] = {UCS2_CHAR('.'), 0};
132 smb_ucs2_t dotdot[] = {UCS2_CHAR('.'), UCS2_CHAR('.'), 0};
133 return ms_fnmatch_lanman_core(pattern, dotdot) &&
134 ms_fnmatch_lanman_core(pattern, dot);
137 return ms_fnmatch_lanman_core(pattern, string);
141 /* the following function was derived using the masktest utility -
142 after years of effort we finally have a perfect MS wildcard
145 NOTE: this matches only filenames with no directory component
147 Returns 0 on match, -1 on fail.
149 static int ms_fnmatch_w(const smb_ucs2_t *pattern, const smb_ucs2_t *string, int protocol)
151 const smb_ucs2_t *p = pattern, *n = string;
154 if (protocol <= PROTOCOL_LANMAN2) {
155 return ms_fnmatch_lanman1(pattern, string);
166 if (n[0] == UCS2_CHAR('.')) {
167 if (! n[1] && ms_fnmatch_w(p, n+1, protocol) == 0) return 0;
168 if (ms_fnmatch_w(p, n, protocol) == 0) return 0;
171 if (! *n) return ms_fnmatch_w(p, n, protocol);
177 if (ms_fnmatch_w(p, n, protocol) == 0) return 0;
183 if (ms_fnmatch_w(p, n, protocol) == 0) return 0;
184 if (*n == UCS2_CHAR('.') && !strchr_wa(n+1,'.')) {
192 if (*n == 0 && ms_fnmatch_w(p, n, protocol) == 0) return 0;
193 if (*n != UCS2_CHAR('.')) return -1;
198 if (c != *n) return -1;
209 int ms_fnmatch(const char *pattern, const char *string, int protocol)
214 pstrcpy_wa(p, pattern);
215 pstrcpy_wa(s, string);
217 ret = ms_fnmatch_w(p, s, protocol);
218 /* DEBUG(0,("ms_fnmatch(%s,%s) -> %d\n", pattern, string, ret)); */
222 /* a generic fnmatch function - uses for non-CIFS pattern matching */
223 int gen_fnmatch(const char *pattern, const char *string)
225 return ms_fnmatch(pattern, string, PROTOCOL_NT1);