Index: tools/extract2g_HACKED/extract2g.c |
— | — | @@ -1,514 +0,0 @@ |
2 | | -/* |
3 | | - This program is free software; you can redistribute it and/or modify |
4 | | - it under the terms of the GNU General Public License version 2.1 as |
5 | | - published by the Free Software Foundation. |
6 | | - |
7 | | - This program is distributed in the hope that it will be useful, |
8 | | - but WITHOUT ANY WARRANTY; without even the implied warranty of |
9 | | - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
10 | | - GNU General Public License for more details. |
11 | | - |
12 | | - You should have received a copy of the GNU General Public License |
13 | | - along with this program; if not, write to the Free Software |
14 | | - Foundation Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA |
15 | | -*/ |
16 | | - |
17 | | -/* |
18 | | - $Id$ |
19 | | - |
20 | | - Revision history: |
21 | | - 1.0 - 2007-01-25 - Brossillon J.Damien <brossill@enseirb.fr> |
22 | | - -- Initial version |
23 | | - |
24 | | - 1.1 - 2007-09-15 |
25 | | - -- Stuff added to guess the header versions. |
26 | | - |
27 | | - Todo list: |
28 | | - -- Debug |
29 | | -*/ |
30 | | - |
31 | | -#include <stdlib.h> |
32 | | -#include <stdio.h> |
33 | | -#include <string.h> |
34 | | -#include <getopt.h> |
35 | | -#include <limits.h> |
36 | | - |
37 | | -#include "extract2g.h" |
38 | | - |
39 | | -#define VERSION_H 1 |
40 | | -#define VERSION_L 1 |
41 | | - |
42 | | -#define B (0x0FFFFFFF) |
43 | | - |
44 | | -/* Change endian of a 4 bytes memory zone */ |
45 | | -void change_endian( char* buf ) |
46 | | -{ |
47 | | - |
48 | | - char tmp[4]; |
49 | | - |
50 | | - tmp[3] = buf[0]; |
51 | | - tmp[2] = buf[1]; |
52 | | - tmp[1] = buf[2]; |
53 | | - tmp[0] = buf[3]; |
54 | | - |
55 | | - memcpy(buf,tmp,4*sizeof(char)); |
56 | | - |
57 | | - return; |
58 | | -} |
59 | | - |
60 | | -unsigned int hash_part(FILE* hIn, int start, int len, int header_len) |
61 | | -{ |
62 | | - unsigned int hash = 0; |
63 | | - |
64 | | - fseek(hIn, start, SEEK_SET); |
65 | | - |
66 | | - unsigned int tmp; |
67 | | - |
68 | | - int pos; |
69 | | - for(pos=0;pos<(len+header_len);pos++) |
70 | | - { |
71 | | - tmp = fgetc(hIn); |
72 | | - |
73 | | - hash = (hash*B + tmp*pos); |
74 | | - } |
75 | | - |
76 | | - return hash; |
77 | | -} |
78 | | - |
79 | | -void extract_part(FILE* hIn, FILE* hOut, |
80 | | - char* name, |
81 | | - int start, int len, |
82 | | - int header_len) |
83 | | -{ |
84 | | - int pos; |
85 | | - char tmp; |
86 | | - |
87 | | - char* filename = NULL; |
88 | | - |
89 | | - // No extract name specified |
90 | | - if( !hOut ) |
91 | | - { |
92 | | - filename = (char*)malloc( strlen(name) + 4 ); |
93 | | - |
94 | | - if( !filename ) |
95 | | - { |
96 | | - fprintf(stderr, "Memory allocation failure."); |
97 | | - exit(EXIT_FAILURE); |
98 | | - } |
99 | | - |
100 | | - strcpy(filename, name); |
101 | | - strcat(filename, ".fw"); |
102 | | - |
103 | | - hOut = fopen(filename, "wb"); |
104 | | - } |
105 | | - |
106 | | - fprintf(stdout,"Extracting from 0x%8.X to 0x%8.X in %s.\n", |
107 | | - start, start+len+header_len, filename); |
108 | | - |
109 | | - // Go to the beginning of the part |
110 | | - fseek(hIn, start, SEEK_SET); |
111 | | - |
112 | | - // Extracting |
113 | | - for(pos=0;pos<(len+header_len);pos++) |
114 | | - { |
115 | | - tmp = fgetc(hIn); |
116 | | - fputc(tmp,hOut); |
117 | | - } |
118 | | - |
119 | | - fclose(hOut); |
120 | | - |
121 | | - free(filename); |
122 | | - |
123 | | - return; |
124 | | -} |
125 | | - |
126 | | -char is_valid( DIRECTORY* p_dir ) |
127 | | -{ |
128 | | - // Test if the directory contain a valid header for the part. |
129 | | - return ( !strncmp( p_dir->dev, "NAND", 4) |
130 | | - || !strncmp( p_dir->dev, "ATA!", 4) ); |
131 | | -} |
132 | | - |
133 | | -char check_header(FILE* fh, unsigned int l) |
134 | | -{ |
135 | | - DIRECTORY dir; |
136 | | - |
137 | | - fseek(fh, l, SEEK_SET); |
138 | | - fread( (void*)&dir, LEN_DIR, sizeof(char), fh); |
139 | | - |
140 | | - change_endian(dir.dev); |
141 | | - |
142 | | - return is_valid(&dir); |
143 | | -} |
144 | | - |
145 | | -int guess_directory_address(FILE* fh) |
146 | | -{ |
147 | | - // Check for 1G header |
148 | | - if(check_header(fh,ADDR_DIR_1G)) |
149 | | - { |
150 | | - printf("> iPod nano 1g header detected.\n"); |
151 | | - return ADDR_DIR_1G; |
152 | | - } |
153 | | - |
154 | | - // Check for 2G header |
155 | | - if(check_header(fh,ADDR_DIR_2G)) |
156 | | - { |
157 | | - printf("> iPod nano 2g header detected.\n"); |
158 | | - return ADDR_DIR_2G; |
159 | | - } |
160 | | - |
161 | | - // Check for 3G header |
162 | | - if(check_header(fh,ADDR_DIR_3G)) |
163 | | - { |
164 | | - printf("> iPod nano 3g header detected.\n"); |
165 | | - return ADDR_DIR_3G; |
166 | | - } |
167 | | - |
168 | | - // At least try to find an header |
169 | | - fseek(fh, 0, SEEK_SET); |
170 | | - |
171 | | - DIRECTORY dir; |
172 | | - |
173 | | - while(!feof(fh)) |
174 | | - { |
175 | | - fread( (void*)&dir, LEN_DIR, sizeof(char), fh); |
176 | | - change_endian(dir.dev); |
177 | | - |
178 | | - if(is_valid(&dir)) |
179 | | - { |
180 | | - int addr = ftell(fh) - LEN_DIR; |
181 | | - printf("> Unknown header found at 0x%X\n",addr); |
182 | | - return addr; |
183 | | - } |
184 | | - |
185 | | - fseek(fh, -LEN_DIR + 1, SEEK_CUR); |
186 | | - } |
187 | | - |
188 | | - return ADDR_DIR_DEFAULT; |
189 | | -} |
190 | | - |
191 | | -void print_directory_infos(DIRECTORY* p_dir, char extended) |
192 | | -{ |
193 | | - if( extended ) |
194 | | - printf("dev: %.4s type: %.4s\n\ |
195 | | -id: %X\n\ |
196 | | -devOffset: %X\n\ |
197 | | -len: %X\n\ |
198 | | -addr: %X\n\ |
199 | | -entryOffset: %X\n\ |
200 | | -checksum: %X\n\ |
201 | | -version: %X\n\ |
202 | | -loadAddr: %X\n\n", |
203 | | - p_dir->dev, |
204 | | - p_dir->type, |
205 | | - p_dir->id, |
206 | | - p_dir->devOffset, |
207 | | - p_dir->len, |
208 | | - p_dir->addr, |
209 | | - p_dir->entryOffset, |
210 | | - p_dir->checksum, |
211 | | - p_dir->version, |
212 | | - p_dir->loadAddr ); |
213 | | - |
214 | | - else |
215 | | - printf("dev: %.4s type: %.4s devOffset: %X len: %X\n", |
216 | | - p_dir->dev, |
217 | | - p_dir->type, |
218 | | - p_dir->devOffset, |
219 | | - p_dir->len); |
220 | | - |
221 | | -} |
222 | | - |
223 | | - |
224 | | -/* Display help */ |
225 | | -void usage(int status) |
226 | | -{ |
227 | | - if (status != EXIT_SUCCESS) |
228 | | - fputs("Try `extract_2g --help' for more information.\n", stderr); |
229 | | - else |
230 | | - { |
231 | | - fputs("Usage: extract_2g [OPTION] [FILE]\n", stdout); |
232 | | - fprintf(stdout,"Read & extract iPod Nano 2G data parts from a FILE dump.\n\ |
233 | | -\n\ |
234 | | - -l, --list only list avaible parts according to the dump directory\n\n\ |
235 | | - -H, --hash do a hash on every part of the dump\n\n\ |
236 | | - -A, --all extract ALL founded parts from dump (default names used)\n\n\ |
237 | | - -e, --extract=NAME select which part you want to extract (default none)\n\ |
238 | | - -o, --output=FILE put the extracted part into FILE (default NAME.fw)\n\n\ |
239 | | - -d, --directory-address specify the directory address (default 0x%X )\n\ |
240 | | - -a, --header-length specify the header length of each part (default 0x800)\n\n\ |
241 | | - -h, --help display this help and exit\n", ADDR_DIR_DEFAULT); |
242 | | - } |
243 | | - |
244 | | - exit(status); |
245 | | -} |
246 | | - |
247 | | -int main(int argc, char **argv) |
248 | | -{ |
249 | | - FILE *file = NULL; |
250 | | - FILE *hExtract = NULL; |
251 | | - |
252 | | - char str_target[32]; |
253 | | - |
254 | | - char extract_is_set = 0; |
255 | | - char extract_all = 0; |
256 | | - char list_directories = 0; |
257 | | - char is_found = 0; |
258 | | - char hash_parts = 0; |
259 | | - |
260 | | - /* REMOVE */ |
261 | | - char c; |
262 | | - |
263 | | - int tmp; |
264 | | - |
265 | | - int i; |
266 | | - |
267 | | - int directories_size = 0; |
268 | | - DIRECTORY* directories = NULL; |
269 | | - |
270 | | - int addr_directory = -1; |
271 | | - |
272 | | - int length_header = LEN_HEADER; |
273 | | - |
274 | | - /* Getopt short options */ |
275 | | - static char const short_options[] = "e:o:d:a:AHlhv"; |
276 | | - |
277 | | - /* Getopt long options */ |
278 | | - static struct option const long_options[] = { |
279 | | - {"extract", required_argument, NULL, 'e'}, |
280 | | - {"output", required_argument, NULL, 'o'}, |
281 | | - {"hash", no_argument, NULL, 'H'}, |
282 | | - {"list", no_argument, NULL, 'l'}, |
283 | | - {"all", no_argument, NULL, 'A'}, |
284 | | - {"directory-address", required_argument, NULL, 'd'}, |
285 | | - {"header-length", required_argument, NULL, 'a'}, |
286 | | - {"help", no_argument, NULL, 'h'}, |
287 | | - {"version", no_argument, NULL, 'v'}, |
288 | | - {NULL, 0, NULL, 0} |
289 | | - }; |
290 | | - |
291 | | - /* Some informations */ |
292 | | - printf("%s compiled at %s %s.\n\n",argv[0],__TIME__,__DATE__); |
293 | | - |
294 | | - /* Parse command line options. */ |
295 | | - while ((c = getopt_long(argc, argv, |
296 | | - short_options, long_options, NULL)) != -1) { |
297 | | - switch (c) { |
298 | | - case 'o': |
299 | | - hExtract = fopen(optarg,"wb"); |
300 | | - |
301 | | - if(!hExtract) |
302 | | - { |
303 | | - fprintf(stderr,"Cannot write/create %s.\n", optarg); |
304 | | - usage(EXIT_FAILURE); |
305 | | - } |
306 | | - |
307 | | - break; |
308 | | - |
309 | | - case 'a': |
310 | | - if ( (tmp = strtol(optarg, NULL, 0)) > -1 ) |
311 | | - length_header = tmp; |
312 | | - else { |
313 | | - fprintf(stderr, "Invalid `header-length' value `%s'.\n", optarg); |
314 | | - usage(EXIT_FAILURE); |
315 | | - } |
316 | | - break; |
317 | | - |
318 | | - case 'd': |
319 | | - if ( (tmp = strtol(optarg, NULL, 0)) > 0 ) |
320 | | - addr_directory = tmp; |
321 | | - else { |
322 | | - fprintf(stderr, "Invalid `directory-address' value `%s'.\n", optarg); |
323 | | - usage(EXIT_FAILURE); |
324 | | - } |
325 | | - break; |
326 | | - |
327 | | - case 'e': |
328 | | - strncpy(str_target,optarg,32); |
329 | | - extract_is_set = 1; |
330 | | - break; |
331 | | - |
332 | | - case 'H': |
333 | | - hash_parts = 1; |
334 | | - break; |
335 | | - |
336 | | - case 'l': |
337 | | - list_directories = 1; |
338 | | - break; |
339 | | - |
340 | | - case 'A': |
341 | | - extract_all = 1; |
342 | | - break; |
343 | | - |
344 | | - case 'h': |
345 | | - usage(EXIT_SUCCESS); |
346 | | - break; |
347 | | - |
348 | | - case 'v': |
349 | | - fprintf(stdout,"extract_2g version %d.%d\n",VERSION_H,VERSION_L); |
350 | | - fputs("Copyright (C) 2007 Brossillon J.Damien\n\ |
351 | | -This is free software. You may redistribute copies of it under the terms\n\ |
352 | | -of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.\n\ |
353 | | -There is NO WARRANTY, to the extent permitted by law.\n", stdout); |
354 | | - exit(EXIT_SUCCESS); |
355 | | - break; |
356 | | - |
357 | | - default: |
358 | | - usage(EXIT_FAILURE); |
359 | | - } |
360 | | - } |
361 | | - |
362 | | - if (!argv[optind]) { |
363 | | - fprintf(stderr,"Missing dump filename.\n"); |
364 | | - usage(EXIT_FAILURE); |
365 | | - } else { |
366 | | - if (!(file = fopen(argv[optind], "rb"))) |
367 | | - { |
368 | | - fprintf(stderr,"Cannot open file `%s'.\n", argv[optind]); |
369 | | - usage(EXIT_FAILURE); |
370 | | - } |
371 | | - } |
372 | | - |
373 | | - |
374 | | - if( addr_directory < 0 ) |
375 | | - addr_directory = guess_directory_address(file); |
376 | | - else |
377 | | - addr_directory = ADDR_DIR_DEFAULT; |
378 | | - |
379 | | - |
380 | | - fseek(file, addr_directory, SEEK_SET); |
381 | | - |
382 | | - DIRECTORY dir; |
383 | | - |
384 | | - // List directories |
385 | | - while(1) |
386 | | - { |
387 | | - /* FIXME |
388 | | - for(i=0;i<(int)LEN_DIR;i++) |
389 | | - { |
390 | | - ((char*)&dir)[i] = fgetc(file); |
391 | | - }*/ |
392 | | - fread( (void*)&dir, LEN_DIR, sizeof(char), file); |
393 | | - |
394 | | - change_endian(dir.dev); |
395 | | - change_endian(dir.type); |
396 | | - |
397 | | - if( is_valid(&dir) ) |
398 | | - { |
399 | | - directories_size++; |
400 | | - directories = (DIRECTORY*)realloc(directories, |
401 | | - directories_size*sizeof(DIRECTORY)); |
402 | | - |
403 | | - if(!directories) |
404 | | - { |
405 | | - fprintf(stderr,"Memory allocation failure.\n"); |
406 | | - exit(EXIT_FAILURE); |
407 | | - } |
408 | | - dir.devOffset += 4096; |
409 | | - memcpy(directories + directories_size - 1, &dir, sizeof(DIRECTORY)); |
410 | | - } |
411 | | - else |
412 | | - break; |
413 | | - } |
414 | | - |
415 | | - // Check if we have, at least, one valid part |
416 | | - if( directories_size <= 0 ) |
417 | | - { |
418 | | - fclose(file); |
419 | | - |
420 | | - if(directories) |
421 | | - free(directories); |
422 | | - |
423 | | - fprintf(stderr, "Cannot find at least one valid part in the dump.\n"); |
424 | | - exit(EXIT_FAILURE); |
425 | | - } |
426 | | - |
427 | | - // User want to hash every parts of the dump |
428 | | - if( hash_parts ) |
429 | | - { |
430 | | - |
431 | | - for(i=0;i<directories_size;i++) |
432 | | - { |
433 | | - fprintf(stdout,"%.4s: 0x%X\n",directories[i].type, |
434 | | - hash_part(file, |
435 | | - directories[i].devOffset, directories[i].len, |
436 | | - length_header) ); |
437 | | - } |
438 | | - } |
439 | | - else |
440 | | - if( extract_all ) |
441 | | - { |
442 | | - // User want to extract every part of the dump |
443 | | - for(i=0;i<directories_size;i++) |
444 | | - { |
445 | | - char name[5]; |
446 | | - |
447 | | - memcpy(name,directories[i].type,4*sizeof(char)); |
448 | | - name[4] = '\0'; |
449 | | - |
450 | | - extract_part(file, NULL, |
451 | | - name, |
452 | | - directories[i].devOffset, directories[i].len, |
453 | | - length_header); |
454 | | - } |
455 | | - |
456 | | - fprintf(stdout,"Done.\n"); |
457 | | - |
458 | | - |
459 | | - } |
460 | | - else |
461 | | - { |
462 | | - if( list_directories ) |
463 | | - { |
464 | | - // User ask a big directory listing |
465 | | - |
466 | | - for(i=0;i<directories_size; i++) |
467 | | - print_directory_infos( &(directories[i]), 1 ); |
468 | | - } |
469 | | - else |
470 | | - { |
471 | | - |
472 | | - if( extract_is_set ) |
473 | | - { |
474 | | - is_found = 0; |
475 | | - |
476 | | - for(i=0;i<directories_size;i++) |
477 | | - if( !strcmp( directories[i].type, str_target ) ) |
478 | | - { // Extract & correct part name |
479 | | - |
480 | | - is_found = 1; |
481 | | - |
482 | | - // Lock & load, got name, file, position and length ! |
483 | | - extract_part(file, hExtract, |
484 | | - directories[i].type, |
485 | | - directories[i].devOffset, directories[i].len, |
486 | | - length_header); |
487 | | - |
488 | | - } |
489 | | - |
490 | | - // Wrong part name, error message & small parts list |
491 | | - if(!is_found) |
492 | | - { |
493 | | - fprintf(stderr,"No part named '%s' found.\n\n",str_target); |
494 | | - |
495 | | - for(i=0;i<directories_size;i++) |
496 | | - print_directory_infos( &(directories[i]), 0); |
497 | | - } |
498 | | - |
499 | | - } |
500 | | - else |
501 | | - { // No actions, small parts list |
502 | | - |
503 | | - for(i=0;i<directories_size;i++) |
504 | | - print_directory_infos( &(directories[i]), 0); |
505 | | - } |
506 | | - |
507 | | - } |
508 | | - } |
509 | | - |
510 | | - fclose(file); |
511 | | - |
512 | | - free(directories); |
513 | | - |
514 | | - return EXIT_SUCCESS; |
515 | | -} |
Property changes on: tools/extract2g_HACKED/extract2g.c |
___________________________________________________________________ |
Deleted: svn:executable |
## -1 +0,0 ## |
516 | | -* |
\ No newline at end of property |
Index: tools/extract2g_HACKED/README |
— | — | @@ -1,13 +0,0 @@ |
2 | | -This is a hacked version of the original extract2g utility to work with the |
3 | | -Nano 4G's new firmware changes. It breaks compatibility with all other firmware. |
4 | | - |
5 | | -Here are the only changes made: |
6 | | - |
7 | | -309c309 |
8 | | -< if ( (tmp = strtol(optarg, NULL, 0)) > 0 ) |
9 | | -> if ( (tmp = strtol(optarg, NULL, 0)) > -1 ) |
10 | | -407c407 |
11 | | -< |
12 | | -> dir.devOffset += 4096; |
Index: tools/extract2g_HACKED/extract2g.h |
— | — | @@ -1,27 +0,0 @@ |
2 | | - |
3 | | -#define ADDR_DIR_DEFAULT 0x4800 |
4 | | -#define ADDR_DIR_1G 0x4200 |
5 | | -#define ADDR_DIR_2G 0x4800 |
6 | | -#define ADDR_DIR_3G 0x5000 |
7 | | - |
8 | | - |
9 | | -#define LEN_HEADER 0x800 |
10 | | - |
11 | | -#define LEN_DIR sizeof(DIRECTORY) |
12 | | - |
13 | | -typedef struct _DIRECTORY |
14 | | -{ |
15 | | - char dev[4]; |
16 | | - char type[4]; |
17 | | - |
18 | | - unsigned int id; |
19 | | - unsigned int devOffset; |
20 | | - unsigned int len; |
21 | | - unsigned int addr; |
22 | | - |
23 | | - unsigned int entryOffset; |
24 | | - unsigned int checksum; |
25 | | - unsigned int version; |
26 | | - unsigned int loadAddr; |
27 | | - |
28 | | -}DIRECTORY; |
Property changes on: tools/extract2g_HACKED/extract2g.h |
___________________________________________________________________ |
Deleted: svn:executable |
## -1 +0,0 ## |
29 | | -* |
\ No newline at end of property |
Index: tools/extract2g_HACKED/Makefile |
— | — | @@ -1,11 +0,0 @@ |
2 | | -CC= gcc |
3 | | -OPTS= -Wall -g |
4 | | - |
5 | | -all: extract2g |
6 | | - |
7 | | -extract2g: extract2g.c extract2g.h |
8 | | - $(CC) $(OPTS) $< -o $@ |
9 | | - |
10 | | -.PHONY: clean |
11 | | -clean: |
12 | | - rm -f extract2g |
Property changes on: tools/extract2g_HACKED/Makefile |
___________________________________________________________________ |
Deleted: svn:executable |
## -1 +0,0 ## |
13 | | -* |
\ No newline at end of property |
Index: tools/extract2g/extract2g.c |
— | — | @@ -23,6 +23,9 @@ |
24 | 24 | 1.1 - 2007-09-15 |
25 | 25 | -- Stuff added to guess the header versions. |
26 | 26 | |
| 27 | + 1.2 - 2010-08-15 |
| 28 | + -- Added Nano 4G firmware support. |
| 29 | + |
27 | 30 | Todo list: |
28 | 31 | -- Debug |
29 | 32 | */ |
— | — | @@ -36,7 +39,7 @@ |
37 | 40 | #include "extract2g.h" |
38 | 41 | |
39 | 42 | #define VERSION_H 1 |
40 | | -#define VERSION_L 1 |
| 43 | +#define VERSION_L 2 |
41 | 44 | |
42 | 45 | #define B (0x0FFFFFFF) |
43 | 46 | |
— | — | @@ -230,14 +233,15 @@ |
231 | 234 | fputs("Usage: extract_2g [OPTION] [FILE]\n", stdout); |
232 | 235 | fprintf(stdout,"Read & extract iPod Nano 2G data parts from a FILE dump.\n\ |
233 | 236 | \n\ |
234 | | - -l, --list only list avaible parts according to the dump directory\n\n\ |
235 | | - -H, --hash do a hash on every part of the dump\n\n\ |
236 | | - -A, --all extract ALL founded parts from dump (default names used)\n\n\ |
237 | | - -e, --extract=NAME select which part you want to extract (default none)\n\ |
238 | | - -o, --output=FILE put the extracted part into FILE (default NAME.fw)\n\n\ |
239 | | - -d, --directory-address specify the directory address (default 0x%X )\n\ |
240 | | - -a, --header-length specify the header length of each part (default 0x800)\n\n\ |
241 | | - -h, --help display this help and exit\n", ADDR_DIR_DEFAULT); |
| 237 | +-l, --list only list avaible parts according to the dump directory\n\n\ |
| 238 | +-H, --hash do a hash on every part of the dump\n\n\ |
| 239 | +-A, --all extract ALL founded parts from dump (default names used)\n\n\ |
| 240 | +-4, --nano4g-compat forces iPod Nano 3G firmwares to be recognised as iPod Nano 4G's\n\n\ |
| 241 | +-e, --extract=NAME select which part you want to extract (default none)\n\ |
| 242 | +-o, --output=FILE put the extracted part into FILE (default NAME.fw)\n\n\ |
| 243 | +-d, --directory-address specify the directory address (default 0x%X )\n\ |
| 244 | +-a, --header-length specify the header length of each part (default 0x800)\n\n\ |
| 245 | +-h, --help display this help and exit\n", ADDR_DIR_DEFAULT); |
242 | 246 | } |
243 | 247 | |
244 | 248 | exit(status); |
— | — | @@ -252,6 +256,7 @@ |
253 | 257 | |
254 | 258 | char extract_is_set = 0; |
255 | 259 | char extract_all = 0; |
| 260 | + char nano4g_compat = 0; |
256 | 261 | char list_directories = 0; |
257 | 262 | char is_found = 0; |
258 | 263 | char hash_parts = 0; |
— | — | @@ -271,7 +276,7 @@ |
272 | 277 | int length_header = LEN_HEADER; |
273 | 278 | |
274 | 279 | /* Getopt short options */ |
275 | | - static char const short_options[] = "e:o:d:a:AHlhv"; |
| 280 | + static char const short_options[] = "e:o:d:a:AHl4hv"; |
276 | 281 | |
277 | 282 | /* Getopt long options */ |
278 | 283 | static struct option const long_options[] = { |
— | — | @@ -282,6 +287,7 @@ |
283 | 288 | {"all", no_argument, NULL, 'A'}, |
284 | 289 | {"directory-address", required_argument, NULL, 'd'}, |
285 | 290 | {"header-length", required_argument, NULL, 'a'}, |
| 291 | + {"nano4g-compat", no_argument, NULL, '4'}, |
286 | 292 | {"help", no_argument, NULL, 'h'}, |
287 | 293 | {"version", no_argument, NULL, 'v'}, |
288 | 294 | {NULL, 0, NULL, 0} |
— | — | @@ -340,6 +346,10 @@ |
341 | 347 | extract_all = 1; |
342 | 348 | break; |
343 | 349 | |
| 350 | + case '4': |
| 351 | + nano4g_compat = 1; |
| 352 | + break; |
| 353 | + |
344 | 354 | case 'h': |
345 | 355 | usage(EXIT_SUCCESS); |
346 | 356 | break; |
— | — | @@ -375,7 +385,10 @@ |
376 | 386 | else |
377 | 387 | addr_directory = ADDR_DIR_DEFAULT; |
378 | 388 | |
| 389 | + if (addr_directory == ADDR_DIR_3G && nano4g_compat) |
| 390 | + printf("> iPod nano 4g compat. mode enabled\n"); |
379 | 391 | |
| 392 | + |
380 | 393 | fseek(file, addr_directory, SEEK_SET); |
381 | 394 | |
382 | 395 | DIRECTORY dir; |
— | — | @@ -404,7 +417,10 @@ |
405 | 418 | fprintf(stderr,"Memory allocation failure.\n"); |
406 | 419 | exit(EXIT_FAILURE); |
407 | 420 | } |
408 | | - |
| 421 | + |
| 422 | + if (addr_directory == ADDR_DIR_3G && nano4g_compat) |
| 423 | + dir.devOffset += 4096; |
| 424 | + |
409 | 425 | memcpy(directories + directories_size - 1, &dir, sizeof(DIRECTORY)); |
410 | 426 | } |
411 | 427 | else |