summaryrefslogtreecommitdiffstats
path: root/src/partxbox.c
blob: 4cd1817b1f62929584c6f5a57d0a17f181493a6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
/*

    File: partxbox.c

    Copyright (C) 2005-2008 Christophe GRENIER <grenier@cgsecurity.org>
  
    This software 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 the Free Software Foundation, Inc., 51
    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <ctype.h>      /* tolower */
#include <assert.h>
#include "types.h"
#include "common.h"
#include "fnctdsk.h"
#include "lang.h"
#include "intrf.h"
#include "chgtype.h"
#include "partxbox.h"
#include "savehdr.h"
#include "fatx.h"
#include "log.h"

static int check_part_xbox(disk_t *disk_car, const int verbose,partition_t *partition,const int saveheader);
static list_part_t *read_part_xbox(disk_t *disk_car, const int verbose, const int saveheader);
static int write_part_xbox(disk_t *disk_car, const list_part_t *list_part, const int ro , const int verbose);
static list_part_t *init_part_order_xbox(const disk_t *disk_car, list_part_t *list_part);
static void set_next_status_xbox(const disk_t *disk_car, partition_t *partition);
static int test_structure_xbox(list_part_t *list_part);
static int set_part_type_xbox(partition_t *partition, unsigned int part_type_xbox);
static int is_part_known_xbox(const partition_t *partition);
static void init_structure_xbox(const disk_t *disk_car,list_part_t *list_part, const int verbose);
static const char *get_partition_typename_xbox(const partition_t *partition);
static const char *get_partition_typename_xbox_aux(const unsigned int part_type_xbox);
static unsigned int get_part_type_xbox(const partition_t *partition);

static const struct systypes xbox_sys_types[] = {
  { PXBOX_UNK,  "Unknown"		},
  { PXBOX_FATX, "FATX"			},
  { PXBOX_UNK,		NULL }
};

arch_fnct_t arch_xbox=
{
  .part_name="XBox",
  .part_name_option="partition_xbox",
  .msg_part_type="                P=Primary  D=Deleted",
  .read_part=&read_part_xbox,
  .write_part=&write_part_xbox,
  .init_part_order=&init_part_order_xbox,
  .get_geometry_from_mbr=NULL,
  .check_part=&check_part_xbox,
  .write_MBR_code=NULL,
  .set_prev_status=&set_next_status_xbox,
  .set_next_status=&set_next_status_xbox,
  .test_structure=&test_structure_xbox,
  .get_part_type=&get_part_type_xbox,
  .set_part_type=&set_part_type_xbox,
  .init_structure=&init_structure_xbox,
  .erase_list_part=NULL,
  .get_partition_typename=&get_partition_typename_xbox,
  .is_part_known=&is_part_known_xbox
};

static unsigned int get_part_type_xbox(const partition_t *partition)
{
  return partition->part_type_xbox;
}

static list_part_t *read_part_xbox(disk_t *disk_car, const int verbose, const int saveheader)
{
  unsigned char buffer[0x800];
  list_part_t *new_list_part=NULL;
  screen_buffer_reset();
  if(disk_car->pread(disk_car, &buffer, sizeof(buffer), 0) != sizeof(buffer))
    return new_list_part;
  {
    uint64_t offsets[]={ 0x00080000, 0x2ee80000, 0x5dc80000, 0x8ca80000, 0xabe80000 };
    unsigned int i;
    struct xbox_partition *xboxlabel=(struct xbox_partition*)&buffer;
    if (memcmp(xboxlabel->magic,"BRFR",4))
    {
      screen_buffer_add("\nBad XBOX partition, invalid signature\n");
      return NULL;
    }
    for(i=0;i<sizeof(offsets)/sizeof(uint64_t);i++)
    {
      if(offsets[i]<disk_car->disk_size)
      {
	int insert_error=0;
	partition_t *partition=partition_new(&arch_xbox);
	partition->part_type_xbox=PXBOX_FATX;
	partition->part_offset=offsets[i];
	partition->order=1+i;
	if(i==sizeof(offsets)/sizeof(uint64_t)-1 || disk_car->disk_size<=offsets[i+1])
	  partition->part_size=disk_car->disk_size-offsets[i];
	else
	  partition->part_size=offsets[i+1]-offsets[i];
	partition->status=STATUS_PRIM;
	disk_car->arch->check_part(disk_car,verbose,partition,saveheader);
	aff_part_buffer(AFF_PART_ORDER|AFF_PART_STATUS,disk_car,partition);
	new_list_part=insert_new_partition(new_list_part, partition, 0, &insert_error);
	if(insert_error>0)
	  free(partition);
      }
    }
  }
  return new_list_part;
}

static int write_part_xbox(disk_t *disk_car, const list_part_t *list_part, const int ro, const int verbose)
{
  /* TODO: Implement it */
  if(ro==0)
    return -1;
  return 0;
}

static list_part_t *init_part_order_xbox(const disk_t *disk_car, list_part_t *list_part)
{
  return list_part;
}

list_part_t *add_partition_xbox_cli(disk_t *disk_car,list_part_t *list_part, char **current_cmd)
{
  partition_t *new_partition=partition_new(&arch_xbox);
  assert(current_cmd!=NULL);
  new_partition->part_offset=disk_car->sector_size;
  new_partition->part_size=disk_car->disk_size-disk_car->sector_size;
  while(1)
  {
    skip_comma_in_command(current_cmd);
    if(check_command(current_cmd,"s,",2)==0)
    {
      uint64_t part_offset;
      part_offset=new_partition->part_offset;
      new_partition->part_offset=(uint64_t)ask_number_cli(
	  current_cmd,
	  new_partition->part_offset/disk_car->sector_size,
	  0x800/disk_car->sector_size,
	  (disk_car->disk_size-1)/disk_car->sector_size,
	  "Enter the starting sector ") *
	(uint64_t)disk_car->sector_size;
      new_partition->part_size=new_partition->part_size + part_offset - new_partition->part_offset;
    }
    else if(check_command(current_cmd,"S,",2)==0)
    {
      new_partition->part_size=(uint64_t)ask_number_cli(
	  current_cmd,
	  (new_partition->part_offset+new_partition->part_size-1)/disk_car->sector_size,
	  new_partition->part_offset/disk_car->sector_size,
	  (disk_car->disk_size-1)/disk_car->sector_size,
	  "Enter the ending sector ") *
	(uint64_t)disk_car->sector_size +
	disk_car->sector_size - new_partition->part_offset;
    }
    else if(check_command(current_cmd,"T,",2)==0)
    {
      change_part_type_cli(disk_car,new_partition,current_cmd);
    }
    else if(new_partition->part_size>0 && new_partition->part_type_xbox>0)
    {
      int insert_error=0;
      list_part_t *new_list_part=insert_new_partition(list_part, new_partition, 0, &insert_error);
      if(insert_error>0)
      {
	free(new_partition);
	return new_list_part;
      }
      new_partition->status=STATUS_PRIM;
      if(test_structure_xbox(list_part)!=0)
	new_partition->status=STATUS_DELETED;
      return new_list_part;
    }
    else
    {
      free(new_partition);
      return list_part;
    }
  }
}

static void set_next_status_xbox(const disk_t *disk_car, partition_t *partition)
{
  if(partition->status==STATUS_DELETED)
    partition->status=STATUS_PRIM;
  else
    partition->status=STATUS_DELETED;
}

static int test_structure_xbox(list_part_t *list_part)
{ /* Return 1 if bad*/
  list_part_t *new_list_part;
  int res;
  new_list_part=gen_sorted_partition_list(list_part);
  res=is_part_overlapping(new_list_part);
  part_free_list_only(new_list_part);
  return res;
}

static int set_part_type_xbox(partition_t *partition, unsigned int part_type_xbox)
{
  if(part_type_xbox>0 && part_type_xbox <= 255)
  {
    partition->part_type_xbox=part_type_xbox;
    return 0;
  }
  return 1;
}

static int is_part_known_xbox(const partition_t *partition)
{
  return (partition->part_type_xbox!=PXBOX_UNK);
}

static void init_structure_xbox(const disk_t *disk_car,list_part_t *list_part, const int verbose)
{
  list_part_t *element;
  list_part_t *new_list_part=NULL;
  /* Create new list */
  for(element=list_part;element!=NULL;element=element->next)
    element->to_be_removed=0;
  for(element=list_part;element!=NULL;element=element->next)
  {
    list_part_t *element2;
    for(element2=element->next;element2!=NULL;element2=element2->next)
    {
      if(element->part->part_offset+element->part->part_size-1 >= element2->part->part_offset)
      {
	element->to_be_removed=1;
	element2->to_be_removed=1;
      }
    }
    if(element->to_be_removed==0)
    {
      int insert_error=0;
      new_list_part=insert_new_partition(new_list_part, element->part, 0, &insert_error);
    }
  }
    for(element=new_list_part;element!=NULL;element=element->next)
      element->part->status=STATUS_PRIM;
  if(disk_car->arch->test_structure(new_list_part))
  {
    for(element=new_list_part;element!=NULL;element=element->next)
      element->part->status=STATUS_DELETED;
  }
  part_free_list_only(new_list_part);
}

static int check_part_xbox(disk_t *disk_car,const int verbose,partition_t *partition, const int saveheader)
{
  int ret=0;
  switch(partition->part_type_xbox)
  {
    case PXBOX_FATX:
      ret=check_FATX(disk_car, partition);
      if(ret!=0)
      { screen_buffer_add("Invalid FATX signature\n"); }
      break;
    default:
      if(verbose>0)
      {
	log_info("check_part_xbox %u type %02X: no test\n",partition->order,partition->part_type_xbox);
      }
      break;
  }
  if(ret!=0)
  {
    log_error("check_part_xbox failed for partition type %02X\n", partition->part_type_xbox);
    aff_part_buffer(AFF_PART_ORDER|AFF_PART_STATUS,disk_car,partition);
    if(saveheader>0)
    {
      save_header(disk_car,partition,verbose);
    }
  }
  return ret;
}

static const char *get_partition_typename_xbox_aux(const unsigned int part_type_xbox)
{
  int i;
  for (i=0; xbox_sys_types[i].name!=NULL; i++)
    if (xbox_sys_types[i].part_type == part_type_xbox)
      return xbox_sys_types[i].name;
  return NULL;
}

static const char *get_partition_typename_xbox(const partition_t *partition)
{
  return get_partition_typename_xbox_aux(partition->part_type_xbox);
}