FreeBSD/Linux Kernel Cross Reference
sys/netncp/ncp_nls.c
1 /*-
2 * Copyright (c) 1999 Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * Character conversion routines
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/9.2/sys/netncp/ncp_nls.c 206361 2010-04-07 16:50:38Z joel $");
31
32 #include <sys/param.h>
33 #include <sys/errno.h>
34 #include <sys/systm.h>
35
36 #include <netncp/ncp.h>
37 #include <netncp/ncp_nls.h>
38
39 /*
40 * 0 - character disallowed in NetWare file name.
41 */
42 static u_char ncp_u2n[256] = {
43 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
44 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
45 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x10 */
46 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
47 0x20, 0x21, 0x00, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
48 0x28, 0x29, 0x00, 0x00, 0x00, 0x2d, 0x2e, 0x00,
49 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
50 0x38, 0x39, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x00,
51 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
52 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
53 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
54 0x58, 0x59, 0x5a, 0x00, 0x00, 0x00, 0x5e, 0x5f,
55 0x00, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
56 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
57 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
58 0x78, 0x79, 0x7a, 0x7b, 0x00, 0x7d, 0x7e, 0x00,
59 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */
60 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
61 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */
62 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
63 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */
64 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
65 0xb0, 0xbf, 0xbf, 0xbf, 0xbf, 0xb1, 0xb2, 0xb7, /* 0xb0 */
66 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
67 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */
68 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
69 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */
70 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
71 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */
72 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
73 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */
74 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
75 };
76
77 static u_char ncp_n2u[256] = {
78 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x00 */
79 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
80 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, /* 0x10 */
81 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f, 0x5f,
82 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
83 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
84 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
85 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x5f,
86 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 0x40 */
87 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
88 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 0x50 */
89 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
90 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
91 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
92 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
93 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
94 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */
95 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
96 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */
97 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
98 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */
99 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
100 0xb0, 0xbf, 0xbf, 0xbf, 0xbf, 0xb1, 0xb2, 0xb7, /* 0xb0 */
101 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
102 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */
103 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
104 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */
105 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
106 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */
107 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
108 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */
109 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
110 };
111
112 static u_char ncp_u2l[256] = {
113 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */
114 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
115 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 0x10 */
116 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
117 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 0x20 */
118 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
119 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 0x30 */
120 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
121 0x40, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x40 */
122 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
123 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x50 */
124 0x78, 0x79, 0x7a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
125 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, /* 0x60 */
126 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
127 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, /* 0x70 */
128 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
129 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */
130 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
131 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */
132 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
133 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */
134 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
135 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0 */
136 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
137 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */
138 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
139 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */
140 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
141 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */
142 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
143 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */
144 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
145 };
146
147 static u_char ncp_l2u[256] = {
148 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */
149 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
150 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, /* 10-17 */
151 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
152 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, /* 20-27 */
153 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
154 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, /* 30-37 */
155 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
156 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 40-47 */
157 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
158 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 50-57 */
159 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
160 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, /* 60-67 */
161 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
162 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, /* 70-77 */
163 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
164 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, /* 0x80 */
165 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
166 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, /* 0x90 */
167 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
168 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, /* 0xa0 */
169 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
170 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, /* 0xb0 */
171 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
172 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, /* 0xc0 */
173 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
174 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, /* 0xd0 */
175 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
176 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, /* 0xe0 */
177 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
178 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, /* 0xf0 */
179 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
180 };
181
182 struct ncp_nlstables ncp_defnls = {
183 ncp_u2l, ncp_l2u, ncp_n2u, ncp_u2n, 0
184 };
185
186 void ncp_str_upper(char *name) {
187 while (*name) {
188 *name = ncp_defnls.to_upper[(u_char)*name];
189 name++;
190 }
191 }
192
193 void ncp_str_lower(char *name) {
194 while (*name) {
195 *name = ncp_defnls.to_lower[(u_char)*name];
196 name++;
197 }
198 }
199
200 /*
201 * Check if pathname is valid under given conditions.
202 */
203 int
204 ncp_pathcheck(char *s, int len, struct ncp_nlstables *nt, int strict) {
205 u_char *tbl = NULL, sc;
206 int opt = nt->opt;
207
208 if (opt & (NWHP_UPPER | NWHP_LOWER))
209 tbl = (opt & NWHP_UPPER) ? nt->to_upper : nt->to_lower;
210 if ((opt & NWHP_DOS) == 0) {
211 while (len--) {
212 sc = (u_char)*(s++);
213 if (nt->u2n[sc] == 0) /* illegal char */
214 return EINVAL;
215 if (tbl && strict && tbl[sc] != sc)
216 return EINVAL;
217 }
218 return 0;
219 }
220 while (len--) {
221 sc = (u_char)*(s++);
222 if (nt->u2n[sc] == 0) /* illegal char */
223 return EINVAL;
224 if (sc == ' ') return EINVAL;
225 if (tbl && strict && tbl[sc] != sc) {
226 return EINVAL;
227 }
228 }
229 return 0;
230 }
231 /*
232 * Convert name from Unix to NetWare representation.
233 * XXX: it should be complementary with path2unix, but for now
234 * leave it as is.
235 */
236 void
237 ncp_pathcopy(const char *src, char *dst, int len, struct ncp_nlstables *nt)
238 {
239 int donls;
240 u_char c;
241 /* char *d = dst, *s = src;*/
242
243 if (nt == NULL) {
244 ovbcopy(src, dst, len);
245 return;
246 }
247 donls = (nt->opt & NWHP_NLS);
248 if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) {
249 while (len--) {
250 *dst = donls ? nt->u2n[(u_char)*src] : *src;
251 dst++;
252 src++;
253 }
254 } else if (nt->opt & NWHP_DOS) {
255 while (len--) {
256 c = nt->to_upper[(u_char)*src];
257 *dst = donls ? nt->u2n[c] : c;
258 dst++;
259 src++;
260 }
261 return;
262 } else { /* probably incorrect... */
263 while (len--) {
264 *dst = donls ? nt->u2n[(u_char)*src] : *src;
265 dst++;
266 src++;
267 }
268 }
269 /* printf("fromux: %s:%s\n", s, d);*/
270 }
271
272 /*
273 * Convert NetWare filename to Unix with optional conversions
274 */
275 void
276 ncp_path2unix(char *src, char *dst, int len, struct ncp_nlstables *nt) {
277 int donls;
278 u_char c, *tbl;
279 /* char *d = dst, *s = src;*/
280
281 /* printf("toux(%02x): %s:",nt->opt, s);*/
282 if (nt == NULL) {
283 ovbcopy(src, dst, len);
284 return;
285 }
286 donls = (nt->opt & NWHP_NLS);
287 if ((nt->opt & (NWHP_UPPER | NWHP_LOWER)) == 0) {
288 while (len--) {
289 c = *src;
290 *dst = donls ? nt->n2u[c] : c;
291 dst++;
292 src++;
293 }
294 return;
295 }
296 tbl = (nt->opt & NWHP_LOWER) ? nt->to_lower : nt->to_upper;
297 while (len--) {
298 c = *src;
299 *dst = tbl[donls ? nt->n2u[c] : c];
300 dst++;
301 src++;
302 }
303 /* printf("%s\n", d);*/
304 }
Cache object: 6be949898a5fd03ca450d87f049bd2fb
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