Root/
Source at commit 1018 created 13 years 1 month ago. By cosmo1t, smbios_getters (added a DBG for validating the index in order to make sure we were mapped to spd.c's slot platform.h -- fixed a type on a comment spd.c moved the check && Platform.DMI.DIMM[i] assignment into the if check for spd validity | |
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1 | /*␊ |
2 | * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * The contents of this file constitute Original Code as defined in and␊ |
7 | * are subject to the Apple Public Source License Version 2.0 (the␊ |
8 | * "License"). You may not use this file except in compliance with the␊ |
9 | * License. Please obtain a copy of the License at␊ |
10 | * http://www.apple.com/publicsource and read it before using this file.␊ |
11 | * ␊ |
12 | * This Original Code and all software distributed under the License are␊ |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
17 | * License for the specific language governing rights and limitations␊ |
18 | * under the License.␊ |
19 | * ␊ |
20 | * @APPLE_LICENSE_HEADER_END@␊ |
21 | */␊ |
22 | /*␊ |
23 | * Copyright (c) 1998 Robert Nordier␊ |
24 | * All rights reserved.␊ |
25 | *␊ |
26 | * Redistribution and use in source and binary forms, with or without␊ |
27 | * modification, are permitted provided that the following conditions␊ |
28 | * are met:␊ |
29 | * 1. Redistributions of source code must retain the above copyright␊ |
30 | * notice, this list of conditions and the following disclaimer.␊ |
31 | * 2. Redistributions in binary form must reproduce the above copyright␊ |
32 | * notice, this list of conditions and the following disclaimer in␊ |
33 | * the documentation and/or other materials provided with the␊ |
34 | * distribution.␊ |
35 | *␊ |
36 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS␊ |
37 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED␊ |
38 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE␊ |
39 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY␊ |
40 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL␊ |
41 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE␊ |
42 | * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS␊ |
43 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER␊ |
44 | * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR␊ |
45 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN␊ |
46 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.␊ |
47 | */␊ |
48 | ␊ |
49 | #define tolower(c) (((c)>='A' && c<='Z')?((c) | 0x20):(c))␊ |
50 | #include "libsaio.h"␊ |
51 | #include "sl.h"␊ |
52 | ␊ |
53 | #include "msdos_private.h"␊ |
54 | #include "msdos.h"␊ |
55 | ␊ |
56 | #define LABEL_LENGTH␉␉11␊ |
57 | #define MSDOS_CACHE_BLOCKSIZE BPS␊ |
58 | ␊ |
59 | #define␉CLUST_FIRST␉␉2/* reserved cluster range */␊ |
60 | #define␉CLUST_RSRVD32␉0x0ffffff8␉/* reserved cluster range */␊ |
61 | #define␉CLUST_RSRVD16␉0xfff8␉/* reserved cluster range */␊ |
62 | #define␉CLUST_RSRVD12␉0xff8␉/* reserved cluster range */␊ |
63 | ␊ |
64 | ␊ |
65 | #define false 0␊ |
66 | #define true 1␊ |
67 | ␊ |
68 | static int msdosressector=0;␊ |
69 | static int msdosnfats = 0;␊ |
70 | static int msdosfatsecs = 0;␊ |
71 | static int msdosbps = 0;␊ |
72 | static int msdosclustersize = 0;␊ |
73 | static int msdosrootDirSectors = 0;␊ |
74 | static CICell msdoscurrent = 0;␊ |
75 | static int msdosrootcluster = 0;␊ |
76 | static int msdosfatbits = 0;␊ |
77 | ␊ |
78 | #if UNUSED␊ |
79 | /*␊ |
80 | * Check a volume label.␊ |
81 | */␊ |
82 | static int␊ |
83 | oklabel(const char *src)␊ |
84 | {␊ |
85 | int c, i;␊ |
86 | ␊ |
87 | for (i = 0, c = 0; i <= 11; i++) {␊ |
88 | c = (u_char)*src++;␊ |
89 | if (c < ' ' + !i || strchr("\"*+,./:;<=>?[\\]|", c))␊ |
90 | break;␊ |
91 | }␊ |
92 | return i && !c;␊ |
93 | }␊ |
94 | #endif /* UNUSED */␊ |
95 | ␊ |
96 | void MSDOSFree(CICell ih)␊ |
97 | {␊ |
98 | ␉if(msdoscurrent == ih)␊ |
99 | msdoscurrent = 0;␊ |
100 | free(ih);␊ |
101 | }␊ |
102 | ␊ |
103 | int MSDOSProbe(const void * buffer)␊ |
104 | {␊ |
105 | union bootsector *bsp;␊ |
106 | struct bpb33 *b33;␊ |
107 | struct bpb50 *b50;␊ |
108 | struct bpb710 *b710;␊ |
109 | u_int16_t␉ bps;␊ |
110 | u_int8_t␉␉spc;␊ |
111 | ␉␊ |
112 | bsp = (union bootsector *)buffer;␊ |
113 | b33 = (struct bpb33 *)bsp->bs33.bsBPB;␊ |
114 | b50 = (struct bpb50 *)bsp->bs50.bsBPB;␊ |
115 | b710 = (struct bpb710 *)bsp->bs710.bsBPB;␊ |
116 | ␊ |
117 | /* We only work with 512, 1024, and 2048 byte sectors */␊ |
118 | bps = OSSwapLittleToHostInt16(b33->bpbBytesPerSec);␊ |
119 | if ((bps < 0x200) || (bps & (bps - 1)) || (bps > 0x800)) ␊ |
120 | return 0;␊ |
121 | ␊ |
122 | ␉/* Check to make sure valid sectors per cluster */␊ |
123 | spc = b33->bpbSecPerClust;␊ |
124 | if ((spc == 0 ) || (spc & (spc - 1))) ␊ |
125 | return 0;␉␊ |
126 | ␉␊ |
127 | ␉if (OSSwapLittleToHostInt16(b50->bpbRootDirEnts) == 0) { /* It's FAT32 */␊ |
128 | ␉␉if (!memcmp(((struct extboot *)bsp->bs710.bsExt)->exFileSysType, "FAT32 ", 8))␊ |
129 | ␉␉␉return 32;␊ |
130 | ␉}␊ |
131 | ␉else if (((struct extboot *)bsp->bs50.bsExt)->exBootSignature == EXBOOTSIG) {␊ |
132 | ␉␉if (!memcmp((char *)((struct extboot *)bsp->bs50.bsExt)->exFileSysType, "FAT16 ", 8))␊ |
133 | ␉␉␉return 16;␊ |
134 | ␉␉if (!memcmp((char *)((struct extboot *)bsp->bs50.bsExt)->exFileSysType, "FAT12 ", 8))␊ |
135 | ␉␉␉return 12;␊ |
136 | ␉}␉␊ |
137 | ␉␉␊ |
138 | ␉return 0;␊ |
139 | }␊ |
140 | ␊ |
141 | ␊ |
142 | long␊ |
143 | MSDOSInitPartition (CICell ih)␊ |
144 | {␊ |
145 | union bootsector *bsp;␊ |
146 | struct bpb33 *b33;␊ |
147 | struct bpb50 *b50;␊ |
148 | struct bpb710 *b710;␊ |
149 | u_int8_t␉␉spc;␊ |
150 | char *buf;␊ |
151 | ␉␊ |
152 | ␉if (msdoscurrent == ih)␊ |
153 | ␉{␊ |
154 | ␉␉CacheInit(ih, MSDOS_CACHE_BLOCKSIZE);␊ |
155 | ␉␉return 0;␊ |
156 | ␉}␊ |
157 | ␉␊ |
158 | ␉buf=malloc (512);␊ |
159 | ␉/*␊ |
160 | * Read the boot sector of the filesystem, and then check the␊ |
161 | * boot signature. If not a dos boot sector then error out.␊ |
162 | *␊ |
163 | * NOTE: 2048 is a maximum sector size in current...␊ |
164 | */␊ |
165 | Seek(ih, 0);␊ |
166 | Read(ih, (long)buf, 512);␊ |
167 | ␉␊ |
168 | bsp = (union bootsector *)buf;␊ |
169 | b33 = (struct bpb33 *)bsp->bs33.bsBPB;␊ |
170 | b50 = (struct bpb50 *)bsp->bs50.bsBPB;␊ |
171 | b710 = (struct bpb710 *)bsp->bs710.bsBPB;␊ |
172 | ␊ |
173 | ␉␊ |
174 | /* We only work with 512, 1024, and 2048 byte sectors */␊ |
175 | msdosbps = OSSwapLittleToHostInt16(b33->bpbBytesPerSec);␊ |
176 | if ((msdosbps < 0x200) || (msdosbps & (msdosbps - 1)) || (msdosbps > 0x800)) ␊ |
177 | ␉{␊ |
178 | ␉␉free (buf);␊ |
179 | ␉␉return -1;␊ |
180 | ␉}␊ |
181 | ␉␊ |
182 | /* Check to make sure valid sectors per cluster */␊ |
183 | spc = b33->bpbSecPerClust;␊ |
184 | if ((spc == 0 ) || (spc & (spc - 1))) ␊ |
185 | ␉␉return -1;␊ |
186 | ␉␊ |
187 | ␉if (OSSwapLittleToHostInt16(b50->bpbRootDirEnts) == 0) { /* It's FAT32 */␊ |
188 | ␉␉if (memcmp(((struct extboot *)bsp->bs710.bsExt)->exFileSysType, "FAT32 ", 8))␊ |
189 | ␉␉{␊ |
190 | ␉␉␉free (buf);␊ |
191 | ␉␉␉return -1;␊ |
192 | ␉␉}␊ |
193 | ␉␉msdosressector = OSSwapLittleToHostInt16(b710->bpbResSectors);␊ |
194 | ␉␉msdosnfats = b710->bpbFATs;␊ |
195 | ␉␉msdosfatsecs = OSSwapLittleToHostInt16(b710->bpbBigFATsecs);␊ |
196 | ␉␉msdosrootcluster = OSSwapLittleToHostInt32(b710->bpbRootClust);␊ |
197 | ␉␉msdosrootDirSectors = 0;␊ |
198 | ␉␉msdosfatbits = 32;␊ |
199 | ␉}␊ |
200 | ␉else if (((struct extboot *)bsp->bs50.bsExt)->exBootSignature == EXBOOTSIG) {␊ |
201 | ␉␉if (!memcmp((char *)((struct extboot *)bsp->bs50.bsExt)->exFileSysType, "FAT16 ", 8))␊ |
202 | ␉␉␉msdosfatbits = 16;␊ |
203 | ␉␉else if (!memcmp((char *)((struct extboot *)bsp->bs50.bsExt)->exFileSysType, "FAT12 ", 8))␊ |
204 | ␉␉␉msdosfatbits = 12;␊ |
205 | ␉␉else␊ |
206 | ␉␉{␊ |
207 | ␉␉␉free (buf);␊ |
208 | ␉␉␉return -1;␊ |
209 | ␉␉}␉␉␊ |
210 | ␉␉␊ |
211 | ␉␉msdosressector = OSSwapLittleToHostInt16(b33->bpbResSectors);␊ |
212 | ␉␉msdosnfats = b33->bpbFATs;␊ |
213 | ␉␉msdosfatsecs = OSSwapLittleToHostInt16(b33->bpbFATsecs);␊ |
214 | ␉␉msdosrootcluster = 0;␉␉␊ |
215 | ␉␉msdosrootDirSectors = ((OSSwapLittleToHostInt16(b50->bpbRootDirEnts) * sizeof(struct direntry)) +␊ |
216 | ␉␉␉␉␉␉␉ (msdosbps-1)) / msdosbps;␊ |
217 | ␉} else {␊ |
218 | ␉␉free (buf);␊ |
219 | ␉␉return -1;␊ |
220 | ␉}␊ |
221 | ␉␊ |
222 | ␉msdosclustersize = msdosbps * spc;␊ |
223 | ␉msdoscurrent = ih;␊ |
224 | ␊ |
225 | ␉CacheInit(ih, MSDOS_CACHE_BLOCKSIZE);␊ |
226 | ␉free (buf);␊ |
227 | ␉return 0;␊ |
228 | }␊ |
229 | ␊ |
230 | static int␊ |
231 | readSector(CICell ih, off_t readOffset, char *buf, int size)␊ |
232 | {␊ |
233 | // Caching only FAT entries (4 bytes) by utlizing the cache with sector aligned read requests.␊ |
234 | ␉if (size < BPS)␊ |
235 | ␉{␊ |
236 | ␉␉long long sectorOffset = (uint64_t)readOffset / BPS * BPS;␊ |
237 | ␉␉long relOffset = readOffset % BPS;␊ |
238 | ␉␉char *cacheBuffer;␊ |
239 | ␉␊ |
240 | ␉␉cacheBuffer = malloc(MSDOS_CACHE_BLOCKSIZE);␊ |
241 | ␉␉CacheRead(ih, cacheBuffer, sectorOffset, MSDOS_CACHE_BLOCKSIZE, true);␊ |
242 | ␉␉bcopy(cacheBuffer + relOffset, buf, size);␊ |
243 | ␉␉free(cacheBuffer);␊ |
244 | ␉}␊ |
245 | ␉else␊ |
246 | ␉{␊ |
247 | ␉␉Seek(ih, readOffset);␊ |
248 | ␉␉Read(ih, (long)buf, size);␊ |
249 | ␉}␊ |
250 | ␊ |
251 | ␉return 0;␊ |
252 | }␊ |
253 | ␊ |
254 | static int␊ |
255 | msdosreadcluster (CICell ih, uint8_t *buf, int size, off_t *cluster)␊ |
256 | {␊ |
257 | off_t readOffset;␊ |
258 | ␉char tmpbuf[8];␊ |
259 | ␉off_t clusn;␊ |
260 | ␉␊ |
261 | ␉switch (msdosfatbits) {␊ |
262 | ␉␉case 32:␊ |
263 | ␉␉␉if (*cluster < CLUST_FIRST ||*cluster >= CLUST_RSRVD32)␊ |
264 | ␉␉␉␉return 0;␊ |
265 | ␉␉␉clusn = *cluster - CLUST_FIRST;␊ |
266 | ␉␉␉break;␊ |
267 | ␉␉case 16:␊ |
268 | ␉␉␉if (*cluster < CLUST_FIRST ||*cluster >= CLUST_RSRVD16)␊ |
269 | ␉␉␉␉return 0;␊ |
270 | ␉␉␉clusn = *cluster - CLUST_FIRST;␊ |
271 | ␉␉␉break;␉␉␉␊ |
272 | ␉␉case 12:␊ |
273 | ␉␉␉if (*cluster < CLUST_FIRST ||*cluster >= CLUST_RSRVD12)␊ |
274 | ␉␉␉␉return 0;␊ |
275 | ␉␉␉clusn = *cluster - CLUST_FIRST;␊ |
276 | ␉␉␉break;␊ |
277 | ␉␉default:␊ |
278 | ␉␉␉return 0;␊ |
279 | ␉}␊ |
280 | ␉␊ |
281 | ␉/* Find sector where clusters start */␊ |
282 | ␉readOffset = (msdosressector +␊ |
283 | ␉␉␉␉ (msdosnfats * msdosfatsecs)+msdosrootDirSectors)*msdosbps;␊ |
284 | ␉/* Find sector where "cluster" starts */␊ |
285 | ␉readOffset += clusn * msdosclustersize;␊ |
286 | ␉␊ |
287 | ␉/* Read in "cluster" */␊ |
288 | ␉if (buf)␊ |
289 | ␉{␊ |
290 | ␉␉Seek(ih, readOffset);␊ |
291 | ␉␉Read(ih, (long)buf, size);␊ |
292 | ␉}␊ |
293 | ␊ |
294 | ␉/* Find first sector of FAT */␊ |
295 | ␉readOffset = msdosressector * msdosbps;␊ |
296 | ␊ |
297 | ␉/* Find sector containing "cluster" entry in FAT */␊ |
298 | ␉readOffset += ((uint64_t)*cluster * (uint64_t)msdosfatbits) / 8;␊ |
299 | ␉␊ |
300 | ␉/* Read one sector of the FAT */␊ |
301 | ␉readSector(ih, readOffset, tmpbuf, 4);␊ |
302 | ␉␊ |
303 | ␉switch (msdosfatbits) {␊ |
304 | ␉␉case 32:␊ |
305 | ␉␉␉*cluster = OSReadLittleInt32(tmpbuf, 0);␊ |
306 | ␉␉␉*cluster &= 0x0FFFFFFF;␉// ignore reserved upper bits␊ |
307 | ␉␉␉return 1;␊ |
308 | ␉␉case 16:␊ |
309 | ␉␉␉*cluster = OSReadLittleInt16(tmpbuf, 0);␊ |
310 | ␉␉␉return 1;␉␉␉␊ |
311 | ␉␉case 12:␊ |
312 | ␉␉␉*cluster = OSReadLittleInt16(tmpbuf, 0)>>(((uint64_t)*cluster * (uint64_t)msdosfatbits)%8);␊ |
313 | ␉␉␉*cluster &= 0xfff;␊ |
314 | ␉␉␉return 1;␊ |
315 | ␉␉default:␊ |
316 | ␉␉␉return 0;␊ |
317 | ␉}␊ |
318 | }␊ |
319 | ␊ |
320 | struct msdosdirstate␊ |
321 | {␊ |
322 | ␉struct direntry *buf;␊ |
323 | ␉uint8_t vfatchecksum;␊ |
324 | ␉int root16;␊ |
325 | ␉off_t cluster;␊ |
326 | ␉int nument;␊ |
327 | ␉int vfatnumber;␊ |
328 | };␊ |
329 | ␊ |
330 | static struct direntry *␊ |
331 | getnextdirent (CICell ih, uint16_t *longname, struct msdosdirstate *st)␊ |
332 | {␊ |
333 | ␉struct direntry *dirp;␊ |
334 | ␉while (1)␊ |
335 | ␉{␊ |
336 | ␉␉if (st->root16)␊ |
337 | ␉␉{␊ |
338 | ␉␉␉if (st->cluster >= msdosrootDirSectors && st->nument == 0)␊ |
339 | ␉␉␉␉return 0;␊ |
340 | ␉␉␉if (st->nument == 0)␊ |
341 | ␉␉␉{␊ |
342 | ␉␉␉␉Seek(ih, (msdosressector +␊ |
343 | ␉␉␉␉␉␉ (msdosnfats * msdosfatsecs)+st->cluster)*msdosbps);␊ |
344 | ␉␉␉␉Read(ih, (long)st->buf, msdosbps);␊ |
345 | ␉␉␉␉st->cluster++;␊ |
346 | ␉␉␉}␊ |
347 | ␉␉} else if (st->nument == 0 && !msdosreadcluster (ih, (uint8_t *)st->buf, msdosclustersize, &(st->cluster)))␊ |
348 | ␉␉␉return 0;␊ |
349 | ␉␉␊ |
350 | ␉␉dirp=st->buf+st->nument;␊ |
351 | ␉␉␊ |
352 | ␉␉if (dirp->deName[0] == SLOT_EMPTY)␊ |
353 | ␉␉␉return 0;␊ |
354 | ␉␉else if (dirp->deName[0] == SLOT_DELETED)␊ |
355 | ␉␉␉st->vfatnumber = 0;␊ |
356 | ␉␉else if (dirp->deAttributes == ATTR_WIN95)␊ |
357 | ␉␉{␊ |
358 | ␉␉␉struct winentry *wdirp = (struct winentry *)dirp;␊ |
359 | ␉␉␉int num;␊ |
360 | ␉␉␉if (wdirp->weCnt & 0x80)␊ |
361 | ␉␉␉␉continue;␊ |
362 | ␉␉␉num=(wdirp->weCnt&0x3f);␊ |
363 | ␉␉␉if (WIN_CHARS * num > WIN_MAXLEN)␊ |
364 | ␉␉␉␉continue;␊ |
365 | ␉␉␉if (st->vfatchecksum!=wdirp->weChksum)␊ |
366 | ␉␉␉{␊ |
367 | ␉␉␉␉st->vfatnumber = 0;␊ |
368 | ␉␉␉␉st->vfatchecksum = wdirp->weChksum;␊ |
369 | ␉␉␉}␊ |
370 | ␉␉␉if (st->vfatnumber < num)␊ |
371 | ␉␉␉␉st->vfatnumber = num;␊ |
372 | ␉␉␉bcopy (&(wdirp->wePart1),longname+WIN_CHARS*(num-1),sizeof (wdirp->wePart1));␊ |
373 | ␉␉␉bcopy (&(wdirp->wePart2),longname+WIN_CHARS*(num-1)+5,sizeof (wdirp->wePart2));␊ |
374 | ␉␉␉bcopy (&(wdirp->wePart3),longname+WIN_CHARS*(num-1)+11,sizeof (wdirp->wePart3));␊ |
375 | ␉␉} else {␊ |
376 | ␉␉␉uint8_t labelchecksum;␊ |
377 | ␉␉␉int i;␊ |
378 | ␉␉␉longname[st->vfatnumber*WIN_CHARS]=0;␊ |
379 | ␉␉␉␊ |
380 | ␉␉␉labelchecksum=0;␊ |
381 | ␉␉␉for(i=0;i<LABEL_LENGTH;i++)␊ |
382 | ␉␉␉␉labelchecksum=(labelchecksum>>1)+(labelchecksum<<7)+dirp->deName[i];␊ |
383 | ␉␉␉if (!(labelchecksum==st->vfatchecksum && st->vfatnumber))␊ |
384 | ␉␉␉␉longname[0]=0;␊ |
385 | ␉␉␉st->vfatnumber = 0;␊ |
386 | ␉␉␉st->vfatchecksum = 0;␊ |
387 | ␉␉␉st->vfatnumber = 0;␊ |
388 | ␉␉␉st->nument++;␊ |
389 | ␉␉␉if ((!st->root16 &&st->nument * sizeof (struct direntry)>=msdosclustersize)␊ |
390 | ␉␉␉␉|| (st->root16 &&st->nument * sizeof (struct direntry)>=msdosbps))␊ |
391 | ␉␉␉␉st->nument = 0;␊ |
392 | ␉␉␉return dirp;␊ |
393 | ␉␉}␊ |
394 | ␉␉st->nument++;␊ |
395 | ␉␉if ((!st->root16 &&st->nument * sizeof (struct direntry)>=msdosclustersize)␊ |
396 | ␉␉␉|| (st->root16 &&st->nument * sizeof (struct direntry)>=msdosbps))␊ |
397 | ␉␉␉st->nument = 0;␉␉␊ |
398 | ␉}␊ |
399 | }␊ |
400 | ␊ |
401 | static void␊ |
402 | initRoot (struct msdosdirstate *st)␊ |
403 | {␊ |
404 | ␉if (msdosrootDirSectors) {␉␉␉/* FAT12 or FAT16 */␊ |
405 | ␉␉st->root16 = 1;␊ |
406 | ␉␉st->vfatchecksum = 0;␊ |
407 | ␉␉st->nument = 0;␊ |
408 | ␉␉st->cluster = 0;␊ |
409 | ␉␉st->vfatnumber = 0;␊ |
410 | ␉} else {␉/* FAT32 */␊ |
411 | ␉␉st->root16 = 0;␊ |
412 | ␉␉st->vfatchecksum = 0;␊ |
413 | ␉␉st->nument = 0;␊ |
414 | ␉␉st->cluster = msdosrootcluster;␊ |
415 | ␉␉st->vfatnumber = 0;␊ |
416 | ␉}␊ |
417 | }␊ |
418 | ␊ |
419 | /* First comes lowercase, then uppercase*/␊ |
420 | static uint16_t cp850[128][2]=␊ |
421 | {␊ |
422 | {0x00E7,0x00C7},␊ |
423 | {0x00FC,0x00DC},␊ |
424 | {0x00E9,0x00C9},␊ |
425 | {0x00E2,0x00C2},␊ |
426 | {0x00E4,0x00C4},␊ |
427 | {0x00E0,0x00C0},␊ |
428 | {0x00E5,0x00C5},␊ |
429 | {0x00E7,0x00C7},␊ |
430 | {0x00EA,0x00CA},␊ |
431 | {0x00EB,0x00CB},␊ |
432 | {0x00E8,0x00C8},␊ |
433 | {0x00EF,0x00CF},␊ |
434 | {0x00EE,0x00CE},␊ |
435 | {0x00EC,0x00CC},␊ |
436 | {0x00E4,0x00C4},␊ |
437 | {0x00E5,0x00C5},␊ |
438 | {0x00E9,0x00C9},␊ |
439 | {0x00E6,0x00C6},␊ |
440 | {0x00E6,0x00C6},␊ |
441 | {0x00F4,0x00D4},␊ |
442 | {0x00F6,0x00D6},␊ |
443 | {0x00F2,0x00D2},␊ |
444 | {0x00FB,0x00DB},␊ |
445 | {0x00F9,0x00D9},␊ |
446 | {0x00FF,0x0178},␊ |
447 | {0x00F6,0x00D6},␊ |
448 | {0x00FC,0x00DC},␊ |
449 | {0x00F8,0x00D8},␊ |
450 | {0x00A3,0x00A3},␊ |
451 | {0x00F8,0x00D8},␊ |
452 | {0x00D7,0x00D7},␊ |
453 | {0x0192,0x0191},␊ |
454 | {0x00E1,0x00C1},␊ |
455 | {0x00ED,0x00CD},␊ |
456 | {0x00F3,0x00D3},␊ |
457 | {0x00FA,0x00DA},␊ |
458 | {0x00F1,0x00D1},␊ |
459 | {0x00F1,0x00D1},␊ |
460 | {0x00AA,0x00AA},␊ |
461 | {0x00BA,0x00BA},␊ |
462 | {0x00BF,0x00BF},␊ |
463 | {0x00AE,0x00AE},␊ |
464 | {0x00AC,0x00AC},␊ |
465 | {0x00BD,0x00BD},␊ |
466 | {0x00BC,0x00BC},␊ |
467 | {0x00A1,0x00A1},␊ |
468 | {0x00AB,0x00AB},␊ |
469 | {0x00BB,0x00BB},␊ |
470 | {0x2591,0x2591},␊ |
471 | {0x2592,0x2592},␊ |
472 | {0x2593,0x2593},␊ |
473 | {0x2502,0x2502},␊ |
474 | {0x2524,0x2524},␊ |
475 | {0x00E1,0x00C1},␊ |
476 | {0x00E2,0x00C2},␊ |
477 | {0x00E0,0x00C0},␊ |
478 | {0x00A9,0x00A9},␊ |
479 | {0x2563,0x2563},␊ |
480 | {0x2551,0x2551},␊ |
481 | {0x2557,0x2557},␊ |
482 | {0x255D,0x255D},␊ |
483 | {0x00A2,0x00A2},␊ |
484 | {0x00A5,0x00A5},␊ |
485 | {0x2510,0x2510},␊ |
486 | {0x2514,0x2514},␊ |
487 | {0x2534,0x2534},␊ |
488 | {0x252C,0x252C},␊ |
489 | {0x251C,0x251C},␊ |
490 | {0x2500,0x2500},␊ |
491 | {0x253C,0x253C},␊ |
492 | {0x00E3,0x00C3},␊ |
493 | {0x00E3,0x00C3},␊ |
494 | {0x255A,0x255A},␊ |
495 | {0x2554,0x2554},␊ |
496 | {0x2569,0x2569},␊ |
497 | {0x2566,0x2566},␊ |
498 | {0x2560,0x2560},␊ |
499 | {0x2550,0x2550},␊ |
500 | {0x256C,0x256C},␊ |
501 | {0x00A4,0x00A4},␊ |
502 | {0x00F0,0x00D0},␊ |
503 | {0x00F0,0x00D0},␊ |
504 | {0x00EA,0x00CA},␊ |
505 | {0x00EB,0x00CB},␊ |
506 | {0x00E8,0x00C8},␊ |
507 | {0x0131,0x0049},␊ |
508 | {0x00ED,0x00CD},␊ |
509 | {0x00EE,0x00CE},␊ |
510 | {0x00EF,0x00CF},␊ |
511 | {0x2518,0x2518},␊ |
512 | {0x250C,0x250C},␊ |
513 | {0x2588,0x2588},␊ |
514 | {0x2584,0x2584},␊ |
515 | {0x00A6,0x00A6},␊ |
516 | {0x00EC,0x00CC},␊ |
517 | {0x2580,0x2580},␊ |
518 | {0x00F3,0x00D3},␊ |
519 | {0x00DF,0x00DF},␊ |
520 | {0x00F4,0x00D4},␊ |
521 | {0x00F2,0x00D2},␊ |
522 | {0x00F5,0x00D5},␊ |
523 | {0x00F5,0x00D5},␊ |
524 | {0x00B5,0x00B5},␊ |
525 | {0x00FE,0x00DE},␊ |
526 | {0x00FE,0x00DE},␊ |
527 | {0x00FA,0x00DA},␊ |
528 | {0x00FB,0x00DB},␊ |
529 | {0x00F9,0x00D9},␊ |
530 | {0x00FD,0x00DD},␊ |
531 | {0x00FD,0x00DD},␊ |
532 | {0x00AF,0x00AF},␊ |
533 | {0x00B4,0x00B4},␊ |
534 | {0x00AD,0x00AD},␊ |
535 | {0x00B1,0x00B1},␊ |
536 | {0x2017,0x2017},␊ |
537 | {0x00BE,0x00BE},␊ |
538 | {0x00B6,0x00B6},␊ |
539 | {0x00A7,0x00A7},␊ |
540 | {0x00F7,0x00F7},␊ |
541 | {0x00B8,0x00B8},␊ |
542 | {0x00B0,0x00B0},␊ |
543 | {0x00A8,0x00A8},␊ |
544 | {0x00B7,0x00B7},␊ |
545 | {0x00B9,0x00B9},␊ |
546 | {0x00B3,0x00B3},␊ |
547 | {0x00B2,0x00B2},␊ |
548 | {0x25A0,0x25A0},␊ |
549 | {0x00A0,0x00A0}␊ |
550 | };␊ |
551 | ␊ |
552 | static int␊ |
553 | checkname (uint16_t *ucsname, int ucslen, struct direntry *dirp, uint16_t *vfatname)␊ |
554 | {␊ |
555 | ␉uint16_t tmp[15];␊ |
556 | ␉if (vfatname[0])␊ |
557 | ␉{␊ |
558 | ␉␉int i;␊ |
559 | ␉␉for (i=0;vfatname[i];i++);␊ |
560 | ␉␉return !FastUnicodeCompare (ucsname, ucslen, vfatname, i, OSLittleEndian);␊ |
561 | ␉}␊ |
562 | ␉else␊ |
563 | ␉{␊ |
564 | ␉␉int i, j, k;␊ |
565 | ␉␉for (i=7;i>=0;i--)␊ |
566 | ␉␉␉if (dirp->deName[i]!=' ')␊ |
567 | ␉␉␉␉break;␊ |
568 | ␉␉j=i+1;␊ |
569 | ␉␉tmp[i+1]=0;␊ |
570 | ␉␉for(;i>=0;i--)␊ |
571 | ␉␉␉tmp[i]=SWAP_LE16((dirp->deName[i]>=128)?cp850[dirp->deName[i]-128][0]:tolower(dirp->deName[i]));␊ |
572 | ␉␉for (i=2;i>=0;i--)␊ |
573 | ␉␉␉if (dirp->deName[8+i]!=' ')␊ |
574 | ␉␉␉␉break;␊ |
575 | ␉␉if (i>=0)␊ |
576 | ␉␉{␊ |
577 | ␉␉␉tmp[j++]='.';␊ |
578 | ␉␉␉tmp[j+i+1]=0;␊ |
579 | ␉␉␉k=j+i+1;␊ |
580 | ␉␉␉for(;i>=0;i--)␊ |
581 | ␉␉␉␉tmp[j+i]=SWAP_LE16((dirp->deName[i+8]>=128)?cp850[dirp->deName[i+8]-128][0]:tolower(dirp->deName[i+8]));␊ |
582 | ␉␉␉j=k;␊ |
583 | ␉␉}␊ |
584 | ␉␉return !FastUnicodeCompare (ucsname, ucslen, tmp, j, OSLittleEndian);␊ |
585 | ␉}␊ |
586 | ␉␊ |
587 | }␊ |
588 | ␊ |
589 | static struct direntry *␊ |
590 | getdirpfrompath (CICell ih, char *dirspec, uint8_t *buf)␊ |
591 | {␊ |
592 | ␉struct msdosdirstate st;␊ |
593 | ␉struct direntry *dirp;␊ |
594 | ␉uint8_t * ptr;␊ |
595 | ␉uint8_t *slash;␊ |
596 | ␉char c;␊ |
597 | ␉uint16_t␉␉vfatname[WIN_MAXLEN+2*WIN_CHARS];␊ |
598 | ␉uint16_t ucsname[WIN_MAXLEN+1];␊ |
599 | ␉uint16_t ucslen;␊ |
600 | ␉int ucslenhost;␊ |
601 | ␉initRoot (&st);␊ |
602 | ␉st.buf = (struct direntry *)buf;␊ |
603 | ␉ptr=(uint8_t*)dirspec;␊ |
604 | ␉for (slash=ptr;*slash && *slash!='/';slash++);␊ |
605 | ␉c=*slash;␊ |
606 | ␉*slash=0;␊ |
607 | ␉utf_decodestr (ptr, ucsname, &ucslen, WIN_MAXLEN, OSLittleEndian);␊ |
608 | ␉ucslenhost = OSReadLittleInt16 (&ucslen,0);␊ |
609 | ␉ucsname[ucslenhost]=0;␊ |
610 | ␉*slash=c;␉␊ |
611 | ␉while ((dirp = getnextdirent (ih, vfatname, &st)))␊ |
612 | ␉{␊ |
613 | ␉␉if (checkname (ucsname, ucslenhost, dirp, vfatname))␊ |
614 | ␉␉{␊ |
615 | ␉␉␉for (;*ptr && *ptr!='/';ptr++);␊ |
616 | ␉␉␉if (!*ptr)␊ |
617 | ␉␉␉␉return dirp;␊ |
618 | ␉␉␉ptr++;␊ |
619 | ␉␉␉if (!*ptr)␊ |
620 | ␉␉␉␉return dirp;␊ |
621 | ␉␉␉for (slash=ptr;*slash && *slash!='/';slash++);␊ |
622 | ␉␉␉c=*slash;␊ |
623 | ␉␉␉*slash=0;␊ |
624 | ␉␉␉utf_decodestr (ptr, ucsname, &ucslen, WIN_MAXLEN, OSLittleEndian);␊ |
625 | ␉␉␉ucslenhost = OSReadLittleInt16 (&ucslen,0);␊ |
626 | ␉␉␉ucsname[ucslenhost]=0;␊ |
627 | ␉␉␉*slash=c;␊ |
628 | ␉␉␉if (!(dirp->deAttributes & ATTR_DIRECTORY))␊ |
629 | ␉␉␉␉return 0;␊ |
630 | ␉␉␉st.root16 = 0;␊ |
631 | ␉␉␉st.vfatchecksum = 0;␊ |
632 | ␉␉␉st.nument = 0;␊ |
633 | ␉␉␉st.cluster = OSReadLittleInt16 ((dirp->deStartCluster),0);␊ |
634 | ␉␉␉if (msdosfatbits == 32)␊ |
635 | ␉␉␉␉st.cluster |= ((uint32_t)OSReadLittleInt16 ((dirp->deHighClust),0)) <<16;␊ |
636 | ␉␉␉st.vfatnumber = 0;␊ |
637 | ␉␉}␊ |
638 | ␉}␊ |
639 | ␉return 0;␊ |
640 | }␊ |
641 | ␊ |
642 | long MSDOSGetDirEntry(CICell ih, char * dirPath, long long * dirIndex,␊ |
643 | ␉␉␉␉␉ char ** name, long * flags, long * time,␊ |
644 | ␉␉␉␉␉ FinderInfo * finderInfo, long * infoValid)␊ |
645 | {␊ |
646 | ␉struct msdosdirstate *st;␊ |
647 | ␉struct direntry *dirp;␊ |
648 | ␉uint16_t␉␉vfatname[WIN_MAXLEN+2*WIN_CHARS];␊ |
649 | ␉if (MSDOSInitPartition (ih)<0)␊ |
650 | ␉␉return -1;␊ |
651 | ␉if (dirPath[0] == '/')␊ |
652 | ␉␉dirPath++;␊ |
653 | ␉st = (struct msdosdirstate *)(long) *dirIndex;␊ |
654 | ␉if (!st)␊ |
655 | ␉{␊ |
656 | ␉␉st=malloc (sizeof (*st));␊ |
657 | ␉␉if (dirPath[0])␊ |
658 | ␉␉{␊ |
659 | ␉␉␉uint8_t *buf=malloc(msdosclustersize);␊ |
660 | ␉␉␉dirp = getdirpfrompath (ih, dirPath, buf);␊ |
661 | ␉␉␉if (!dirp || !(dirp->deAttributes & ATTR_DIRECTORY))␊ |
662 | ␉␉␉{␊ |
663 | ␉␉␉␉free (buf);␊ |
664 | ␉␉␉␉free (st);␊ |
665 | ␉␉␉␉return -1;␊ |
666 | ␉␉␉}␊ |
667 | ␉␉␉st->buf = (struct direntry *)buf;␊ |
668 | ␉␉␉st->root16 = 0;␊ |
669 | ␉␉␉st->vfatchecksum = 0;␊ |
670 | ␉␉␉st->nument = 0;␊ |
671 | ␉␉␉st->cluster = OSReadLittleInt16 ((dirp->deStartCluster),0);␊ |
672 | ␉␉␉st->vfatnumber = 0;␊ |
673 | ␉␉␉if (msdosfatbits == 32)␊ |
674 | ␉␉␉␉st->cluster |= ((uint32_t)OSReadLittleInt16 ((dirp->deHighClust),0)) <<16;␊ |
675 | ␉␉}␊ |
676 | ␉␉else␊ |
677 | ␉␉␉initRoot (st);␊ |
678 | ␉␉*dirIndex = (long long) (long) st;␊ |
679 | ␉}␊ |
680 | ␉while((dirp = getnextdirent (ih, vfatname, st))&& (dirp->deAttributes & ATTR_VOLUME));␊ |
681 | ␉if (!dirp)␊ |
682 | ␉{␊ |
683 | ␉␉free (st->buf);␊ |
684 | ␉␉free (st);␊ |
685 | ␉␉return -1;␊ |
686 | ␉}␊ |
687 | ␉if (vfatname[0])␊ |
688 | ␉{␊ |
689 | ␉␉int i;␊ |
690 | ␉␉for (i=0;vfatname[i];i++);␊ |
691 | ␉␉*name = malloc (256);␊ |
692 | ␉␉utf_encodestr(vfatname, i, (u_int8_t *)*name, 255, OSLittleEndian );␉␊ |
693 | ␉}␊ |
694 | ␉else␊ |
695 | ␉{␊ |
696 | ␉␉int i, j, k;␊ |
697 | ␉␉uint16_t tmp[13];␊ |
698 | ␉␉*name = malloc (26);␊ |
699 | ␉␉for (i=7;i>=0;i--)␊ |
700 | ␉␉␉if (dirp->deName[i]!=' ')␊ |
701 | ␉␉␉␉break;␊ |
702 | ␉␉j=i+1;␊ |
703 | ␉␉tmp[i+1]=0;␊ |
704 | ␉␉for(;i>=0;i--)␊ |
705 | ␉␉␉tmp[i]=(dirp->deName[i]>=128)?cp850[dirp->deName[i]-128][0]:tolower(dirp->deName[i]);␊ |
706 | ␉␉for (i=2;i>=0;i--)␊ |
707 | ␉␉␉if (dirp->deName[8+i]!=' ')␊ |
708 | ␉␉␉␉break;␊ |
709 | ␉␉␊ |
710 | ␉␉if (i>=0)␊ |
711 | ␉␉{␊ |
712 | ␉␉␉tmp[j++]='.';␊ |
713 | ␉␉␉tmp[j+i+1]=0;␊ |
714 | ␉␉␉k=j+i+1;␊ |
715 | ␉␉␉for(;i>=0;i--)␊ |
716 | ␉␉␉␉tmp[j+i]=(dirp->deName[i]>=128)?cp850[dirp->deName[i+8]-128][0]:tolower(dirp->deName[i+8]);␊ |
717 | ␉␉␉j=k;␊ |
718 | ␉␉}␊ |
719 | ␉␉␊ |
720 | ␉␉utf_encodestr(tmp, j, (uint8_t*)*name, 25, OSHostByteOrder() );␊ |
721 | ␉}␊ |
722 | ␉if (dirp->deAttributes & ATTR_DIRECTORY)␊ |
723 | ␉␉*flags = kFileTypeDirectory;␊ |
724 | ␉else␊ |
725 | ␉␉*flags = kFileTypeFlat;␊ |
726 | ␉␊ |
727 | ␉// Calculate a fake timestamp using modification date and time values.␊ |
728 | ␉*time = (dirp->deMDate & 0x7FFF) << 16 + dirp->deMTime;␊ |
729 | ␉␊ |
730 | ␉if (infoValid)␊ |
731 | ␉␉*infoValid = 1;␊ |
732 | ␊ |
733 | ␉return 0;␊ |
734 | }␊ |
735 | ␊ |
736 | long ␊ |
737 | MSDOSReadFile(CICell ih, char * filePath, void *base, uint64_t offset, uint64_t length)␊ |
738 | {␊ |
739 | ␉uint8_t *buf;␊ |
740 | ␉off_t cluster;␊ |
741 | ␉uint64_t size;␊ |
742 | ␉uint64_t nskip;␊ |
743 | ␉int toread, wastoread;␊ |
744 | ␉char *ptr = (char *)base;␊ |
745 | ␉struct direntry *dirp;␊ |
746 | ␉int i;␊ |
747 | char devStr[12];␊ |
748 | ␊ |
749 | ␉if (MSDOSInitPartition (ih)<0)␊ |
750 | ␉␉return -1;␊ |
751 | ␉if (filePath[0] == '/')␊ |
752 | ␉␉filePath++;␊ |
753 | ␉buf = malloc(msdosclustersize);␊ |
754 | ␉dirp = getdirpfrompath (ih, filePath, buf);␊ |
755 | ␉␊ |
756 | ␉if (!dirp || (dirp->deAttributes & ATTR_DIRECTORY))␊ |
757 | ␉{␊ |
758 | ␉␉free (buf);␊ |
759 | ␉␉return -1;␊ |
760 | ␉}␊ |
761 | ␉cluster = OSReadLittleInt16 ((dirp->deStartCluster),0);␊ |
762 | ␉if (msdosfatbits == 32)␊ |
763 | ␉␉cluster |= ((uint32_t)OSReadLittleInt16 ((dirp->deHighClust),0)) <<16;␊ |
764 | ␉size = (uint32_t)OSReadLittleInt32 ((dirp->deFileSize),0);␊ |
765 | ␉if (size<=offset)␊ |
766 | ␉␉return -1;␊ |
767 | ␉nskip=offset/msdosclustersize;␊ |
768 | ␉for (i=0;i<nskip;i++)␊ |
769 | ␉␉msdosreadcluster (ih, 0, 0, &cluster);␊ |
770 | ␉msdosreadcluster (ih, buf, msdosclustersize, &cluster);␊ |
771 | ␉toread=length;␊ |
772 | ␉if (length==0 || length>size-offset)␊ |
773 | ␉␉toread=size-offset;␊ |
774 | ␉wastoread=toread;␊ |
775 | ␉bcopy (buf+(offset%msdosclustersize),ptr,min(msdosclustersize-(offset%msdosclustersize), toread));␊ |
776 | ␉ptr+=msdosclustersize-(offset%msdosclustersize);␊ |
777 | ␉toread-=msdosclustersize-(offset%msdosclustersize);␊ |
778 | ␉while (toread>0 && msdosreadcluster (ih, (uint8_t *)ptr, min(msdosclustersize,toread), &cluster))␊ |
779 | ␉{␊ |
780 | ␉␉ptr+=msdosclustersize;␊ |
781 | ␉␉toread-=msdosclustersize;␊ |
782 | ␉}␊ |
783 | ␉␊ |
784 | getDeviceDescription(ih, devStr);␊ |
785 | ␉verbose("Read FAT%d file: [%s/%s] %d bytes.\n",␊ |
786 | msdosfatbits, devStr, filePath, (uint32_t)( toread<0 ) ? wastoread : wastoread-toread);␊ |
787 | ␉free (buf);␊ |
788 | ␉if (toread<0)␊ |
789 | ␉␉return wastoread;␊ |
790 | ␉else␊ |
791 | ␉␉return wastoread-toread;␊ |
792 | }␊ |
793 | ␊ |
794 | long ␊ |
795 | MSDOSGetFileBlock(CICell ih, char *filePath, unsigned long long *firstBlock)␊ |
796 | {␊ |
797 | ␉uint8_t *buf;␊ |
798 | ␉off_t cluster;␊ |
799 | ␉struct direntry *dirp;␊ |
800 | ␉if (MSDOSInitPartition (ih)<0)␊ |
801 | ␉␉return -1;␊ |
802 | ␉if (filePath[0] == '/')␊ |
803 | ␉␉filePath++;␊ |
804 | ␉buf = malloc(msdosclustersize);␊ |
805 | ␉dirp = getdirpfrompath (ih, filePath, buf);␊ |
806 | ␉if (!dirp || (dirp->deAttributes & ATTR_DIRECTORY))␊ |
807 | ␉{␊ |
808 | ␉␉free (buf);␊ |
809 | ␉␉return -1;␊ |
810 | ␉}␊ |
811 | ␉cluster = OSReadLittleInt16 ((dirp->deStartCluster),0);␊ |
812 | ␉if (msdosfatbits == 32)␊ |
813 | ␉␉cluster |= ((uint32_t)OSReadLittleInt16 ((dirp->deHighClust),0)) <<16;␊ |
814 | ␉␊ |
815 | ␉off_t clusn;␊ |
816 | ␉␊ |
817 | ␉switch (msdosfatbits) {␊ |
818 | ␉␉case 32:␊ |
819 | ␉␉␉if (cluster < CLUST_FIRST ||cluster >= CLUST_RSRVD32)␊ |
820 | ␉␉␉␉return -1;␊ |
821 | ␉␉␉clusn = cluster - CLUST_FIRST;␊ |
822 | ␉␉␉break;␊ |
823 | ␉␉case 16:␊ |
824 | ␉␉␉if (cluster < CLUST_FIRST ||cluster >= CLUST_RSRVD16)␊ |
825 | ␉␉␉␉return 0;␊ |
826 | ␉␉␉clusn = cluster - CLUST_FIRST;␊ |
827 | ␉␉␉break;␉␉␉␊ |
828 | ␉␉case 12:␊ |
829 | ␉␉␉␊ |
830 | ␉␉␉if (cluster < CLUST_FIRST ||cluster >= CLUST_RSRVD12)␊ |
831 | ␉␉␉␉return 0;␊ |
832 | ␉␉␉clusn = cluster - CLUST_FIRST;␊ |
833 | ␉␉␉break;␊ |
834 | ␉␉default:␊ |
835 | ␉␉␉return 0;␊ |
836 | ␉}␊ |
837 | ␉␊ |
838 | ␉*firstBlock = ((msdosressector +␊ |
839 | ␉␉␉␉ (msdosnfats * msdosfatsecs))*msdosbps + clusn * msdosclustersize)/512;␊ |
840 | ␉free (buf);␊ |
841 | ␉return 0;␊ |
842 | }␊ |
843 | ␊ |
844 | ␊ |
845 | long MSDOSLoadFile(CICell ih, char * filePath)␊ |
846 | {␊ |
847 | return MSDOSReadFile(ih, filePath, (void *)gFSLoadAddress, 0, 0);␊ |
848 | }␊ |
849 | ␊ |
850 | /* Fix up volume label. */␊ |
851 | static void␊ |
852 | fixLabel(uint8_t *label, char *str, long strMaxLen)␊ |
853 | {␊ |
854 | int␉␉␉i, len;␊ |
855 | ␉uint16_t␉labelucs[13];␊ |
856 | //unsigned char␉labelUTF8[LABEL_LENGTH*3];␊ |
857 | ␉␊ |
858 | /* Convert leading 0x05 to 0xE5 for multibyte languages like Japanese */␊ |
859 | if (label[0] == 0x05)␊ |
860 | label[0] = 0xE5;␊ |
861 | ␉␊ |
862 | /* Remove any trailing spaces */␊ |
863 | for (i=LABEL_LENGTH-1; i>=0; --i) {␊ |
864 | if (label[i] == ' ')␊ |
865 | label[i] = 0;␊ |
866 | else␊ |
867 | break;␊ |
868 | }␊ |
869 | ␉labelucs[i++]=0;␊ |
870 | ␉len=i;␊ |
871 | ␉for (;i>=0;--i)␊ |
872 | ␉␉labelucs[i]=label[i]>=128?cp850[label[i]-128][1]:(label[i]);␊ |
873 | ␉␊ |
874 | ␉utf_encodestr(labelucs, len, (uint8_t *)str, strMaxLen, OSHostByteOrder() );␊ |
875 | }␊ |
876 | ␊ |
877 | ␊ |
878 | void␊ |
879 | MSDOSGetDescription(CICell ih, char *str, long strMaxLen)␊ |
880 | {␊ |
881 | struct direntry *dirp;␊ |
882 | uint8_t␉ label[LABEL_LENGTH+1];␊ |
883 | ␉uint16_t␉␉vfatlabel[WIN_MAXLEN+2*WIN_CHARS];␊ |
884 | ␉struct msdosdirstate st;␊ |
885 | ␉int labelfound = 0;␊ |
886 | ␊ |
887 | ␉if (MSDOSInitPartition (ih)<0)␊ |
888 | ␉{␊ |
889 | ␉␉str[0]=0;␊ |
890 | ␉␉return;␊ |
891 | ␉}␊ |
892 | ␊ |
893 | ␉label[0] = '\0';␊ |
894 | ␉␊ |
895 | ␉initRoot (&st);␊ |
896 | ␉st.buf = malloc(msdosclustersize);␊ |
897 | ␉while ((dirp = getnextdirent (ih, vfatlabel, &st)))␊ |
898 | ␉␉if (dirp->deAttributes & ATTR_VOLUME) {␊ |
899 | ␉␉␉strncpy((char *)label, (char *)dirp->deName, LABEL_LENGTH);␊ |
900 | ␉␉␉labelfound = 1;␊ |
901 | ␉␉␉break;␊ |
902 | ␉␉}␊ |
903 | ␉␉␊ |
904 | ␉free(st.buf);␉␉␊ |
905 | ␊ |
906 | ␉if (vfatlabel[0] && labelfound)␊ |
907 | ␉{␊ |
908 | ␉␉int i;␊ |
909 | ␉␉for (i=0;vfatlabel[i];i++);␊ |
910 | ␉␉utf_encodestr(vfatlabel, i, (u_int8_t *)str, strMaxLen, OSLittleEndian );␉␉␊ |
911 | ␉}␉␊ |
912 | ␉else if (labelfound)␊ |
913 | ␉␉fixLabel(label, str, strMaxLen);␊ |
914 | ␉␊ |
915 | /* else look in the boot blocks */␊ |
916 | if (!labelfound || str[0] == '\0') {␊ |
917 | ␉␉char *buf = malloc (512);␊ |
918 | ␉␉union bootsector *bsp = (union bootsector *)buf;␊ |
919 | ␉␉Seek(ih, 0);␊ |
920 | ␉␉Read(ih, (long)buf, 512);␊ |
921 | if (msdosfatbits == 32) { /* It's FAT32 */␊ |
922 | strncpy((char *)label, (char *)((struct extboot *)bsp->bs710.bsExt)->exVolumeLabel, LABEL_LENGTH);␊ |
923 | }␊ |
924 | else if (msdosfatbits == 16) {␊ |
925 | strncpy((char *)label, (char *)((struct extboot *)bsp->bs50.bsExt)->exVolumeLabel, LABEL_LENGTH);␊ |
926 | }␊ |
927 | ␉␉free (buf);␊ |
928 | ␉␉fixLabel(label, str, strMaxLen);␊ |
929 | }␊ |
930 | ␊ |
931 | return;␊ |
932 | }␊ |
933 | ␊ |
934 | long ␊ |
935 | MSDOSGetUUID(CICell ih, char *uuidStr)␊ |
936 | {␊ |
937 | ␉char *buf = malloc (512);␊ |
938 | ␉union bootsector *bsp = (union bootsector *)buf;␊ |
939 | ␉␊ |
940 | ␉if (MSDOSInitPartition (ih)<0)␊ |
941 | ␉{␊ |
942 | ␉␉return -1;␊ |
943 | ␉}␊ |
944 | ␉bzero (uuidStr, 16);␊ |
945 | ␉Seek(ih, 0);␊ |
946 | ␉Read(ih, (long)buf, 512);␊ |
947 | ␉if (msdosfatbits == 32) { /* It's FAT32 */␊ |
948 | ␉␉memcpy(uuidStr+12, (char *)((struct extboot *)bsp->bs710.bsExt)->exVolumeID, 4);␊ |
949 | ␉}␊ |
950 | ␉else if (msdosfatbits == 16) {␊ |
951 | ␉␉memcpy(uuidStr+12, (char *)((struct extboot *)bsp->bs50.bsExt)->exVolumeID, 4);␊ |
952 | ␉}␊ |
953 | ␉free (buf);␊ |
954 | return 0;␊ |
955 | ␉␊ |
956 | }␊ |
957 |