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Mke2fs.h
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00001 /* 00002 * PROJECT: Mke2fs 00003 * FILE: Mke2fs.h 00004 * PROGRAMMER: Matt Wu <mattwu@163.com> 00005 * HOMEPAGE: http://ext2.yeah.net 00006 */ 00007 00008 /* INCLUDES **************************************************************/ 00009 00010 #define WIN32_NO_STATUS 00011 #include <windows.h> 00012 #define NTOS_MODE_USER 00013 #include <ndk/iofuncs.h> 00014 #include <ndk/kefuncs.h> 00015 #include <ndk/obfuncs.h> 00016 #include <ndk/rtlfuncs.h> 00017 #include <fmifs/fmifs.h> 00018 00019 #include "string.h" 00020 #include "ctype.h" 00021 00022 #include "types.h" 00023 #include "ext2_fs.h" 00024 00025 #include "getopt.h" 00026 00027 /* DEFINITIONS ***********************************************************/ 00028 00029 #define SECTOR_SIZE (Ext2Sys->DiskGeometry.BytesPerSector) 00030 00031 #ifndef GUID_DEFINED 00032 #define GUID_DEFINED 00033 typedef struct _GUID 00034 { 00035 unsigned long Data1; 00036 unsigned short Data2; 00037 unsigned short Data3; 00038 unsigned char Data4[8]; 00039 } GUID; 00040 #endif /* GUID_DEFINED */ 00041 00042 #ifndef UUID_DEFINED 00043 #define UUID_DEFINED 00044 typedef GUID UUID; 00045 #ifndef uuid_t 00046 #define uuid_t UUID 00047 #endif 00048 #endif 00049 00050 #ifndef bool 00051 #define bool BOOLEAN 00052 #endif 00053 00054 #ifndef true 00055 #define true TRUE 00056 #endif 00057 00058 #ifndef false 00059 #define false FALSE 00060 #endif 00061 00062 00063 #define EXT2_CHECK_MAGIC(struct, code) \ 00064 if ((struct)->magic != (code)) return (code) 00065 00066 /* 00067 * ext2fs_scan flags 00068 */ 00069 #define EXT2_SF_CHK_BADBLOCKS 0x0001 00070 #define EXT2_SF_BAD_INODE_BLK 0x0002 00071 #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 00072 #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 00073 00074 /* 00075 * ext2fs_check_if_mounted flags 00076 */ 00077 #define EXT2_MF_MOUNTED 1 00078 #define EXT2_MF_ISROOT 2 00079 #define EXT2_MF_READONLY 4 00080 #define EXT2_MF_SWAP 8 00081 00082 /* 00083 * Ext2/linux mode flags. We define them here so that we don't need 00084 * to depend on the OS's sys/stat.h, since we may be compiling on a 00085 * non-Linux system. 00086 */ 00087 00088 #define LINUX_S_IFMT 00170000 00089 #define LINUX_S_IFSOCK 0140000 00090 #define LINUX_S_IFLNK 0120000 00091 #define LINUX_S_IFREG 0100000 00092 #define LINUX_S_IFBLK 0060000 00093 #define LINUX_S_IFDIR 0040000 00094 #define LINUX_S_IFCHR 0020000 00095 #define LINUX_S_IFIFO 0010000 00096 #define LINUX_S_ISUID 0004000 00097 #define LINUX_S_ISGID 0002000 00098 #define LINUX_S_ISVTX 0001000 00099 00100 #define LINUX_S_IRWXU 00700 00101 #define LINUX_S_IRUSR 00400 00102 #define LINUX_S_IWUSR 00200 00103 #define LINUX_S_IXUSR 00100 00104 00105 #define LINUX_S_IRWXG 00070 00106 #define LINUX_S_IRGRP 00040 00107 #define LINUX_S_IWGRP 00020 00108 #define LINUX_S_IXGRP 00010 00109 00110 #define LINUX_S_IRWXO 00007 00111 #define LINUX_S_IROTH 00004 00112 #define LINUX_S_IWOTH 00002 00113 #define LINUX_S_IXOTH 00001 00114 00115 #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) 00116 #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) 00117 #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) 00118 #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) 00119 #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) 00120 #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) 00121 #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) 00122 00123 00124 #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) 00125 00126 typedef struct _ext2fs_bitmap { 00127 __u32 start, end; 00128 __u32 real_end; 00129 char* bitmap; 00130 } EXT2_BITMAP, *PEXT2_BITMAP; 00131 00132 typedef EXT2_BITMAP EXT2_GENERIC_BITMAP, *PEXT2_GENERIC_BITMAP; 00133 typedef EXT2_BITMAP EXT2_INODE_BITMAP, *PEXT2_INODE_BITMAP; 00134 typedef EXT2_BITMAP EXT2_BLOCK_BITMAP, *PEXT2_BLOCK_BITMAP; 00135 00136 typedef struct ext2_acl_entry EXT2_ACL_ENTRY, *PEXT2_ACL_ENTRY; 00137 typedef struct ext2_acl_header EXT2_ACL_HEADER, *PEXT2_ACL_HEADER; 00138 typedef struct ext2_dir_entry EXT2_DIR_ENTRY, *PEXT2_DIR_ENTRY; 00139 typedef struct ext2_dir_entry_2 EXT2_DIR_ENTRY2, *PEXT2_DIR_ENTRY2; 00140 typedef struct ext2_dx_countlimit EXT2_DX_CL, *PEXT2_DX_CL; 00141 typedef struct ext2_dx_entry EXT2_DX_ENTRY, *PEXT2_DX_ENTRY; 00142 typedef struct ext2_dx_root_info EXT2_DX_RI, *PEXT2_DX_RI; 00143 typedef struct ext2_inode EXT2_INODE, *PEXT2_INODE; 00144 typedef struct ext2_group_desc EXT2_GROUP_DESC, *PEXT2_GROUP_DESC; 00145 typedef struct ext2_super_block EXT2_SUPER_BLOCK, *PEXT2_SUPER_BLOCK; 00146 00147 /* 00148 * Badblocks list 00149 */ 00150 struct ext2_struct_badblocks_list { 00151 int num; 00152 int size; 00153 ULONG *list; 00154 int badblocks_flags; 00155 }; 00156 00157 typedef struct ext2_struct_badblocks_list EXT2_BADBLK_LIST, *PEXT2_BADBLK_LIST; 00158 00159 typedef struct _ext2_filesys 00160 { 00161 int flags; 00162 int blocksize; 00163 int fragsize; 00164 ULONG group_desc_count; 00165 unsigned long desc_blocks; 00166 PEXT2_GROUP_DESC group_desc; 00167 PEXT2_SUPER_BLOCK ext2_sb; 00168 unsigned long inode_blocks_per_group; 00169 PEXT2_INODE_BITMAP inode_map; 00170 PEXT2_BLOCK_BITMAP block_map; 00171 00172 EXT2_BADBLK_LIST badblocks; 00173 /* 00174 ext2_dblist dblist; 00175 */ 00176 __u32 stride; /* for mke2fs */ 00177 00178 __u32 umask; 00179 00180 /* 00181 * Reserved for future expansion 00182 */ 00183 __u32 reserved[8]; 00184 00185 /* 00186 * Reserved for the use of the calling application. 00187 */ 00188 void * priv_data; 00189 00190 HANDLE MediaHandle; 00191 00192 DISK_GEOMETRY DiskGeometry; 00193 00194 PARTITION_INFORMATION PartInfo; 00195 00196 } EXT2_FILESYS, *PEXT2_FILESYS; 00197 00198 // Block Description List 00199 typedef struct _EXT2_BDL { 00200 LONGLONG Lba; 00201 ULONG Offset; 00202 ULONG Length; 00203 } EXT2_BDL, *PEXT2_BDL; 00204 00205 /* 00206 * Where the master copy of the superblock is located, and how big 00207 * superblocks are supposed to be. We define SUPERBLOCK_SIZE because 00208 * the size of the superblock structure is not necessarily trustworthy 00209 * (some versions have the padding set up so that the superblock is 00210 * 1032 bytes long). 00211 */ 00212 #define SUPERBLOCK_OFFSET 1024 00213 #define SUPERBLOCK_SIZE 1024 00214 00215 00216 bool create_bad_block_inode(PEXT2_FILESYS fs, PEXT2_BADBLK_LIST bb_list); 00217 00218 00219 /* 00220 * Bitmap.c 00221 */ 00222 00223 #define ext2_mark_block_bitmap ext2_mark_bitmap 00224 #define ext2_mark_inode_bitmap ext2_mark_bitmap 00225 #define ext2_unmark_block_bitmap ext2_unmark_bitmap 00226 #define ext2_unmark_inode_bitmap ext2_unmark_bitmap 00227 00228 bool ext2_set_bit(int nr, void * addr); 00229 bool ext2_clear_bit(int nr, void * addr); 00230 bool ext2_test_bit(int nr, void * addr); 00231 00232 bool ext2_mark_bitmap(PEXT2_BITMAP bitmap, ULONG bitno); 00233 bool ext2_unmark_bitmap(PEXT2_BITMAP bitmap, ULONG bitno); 00234 00235 bool ext2_test_block_bitmap(PEXT2_BLOCK_BITMAP bitmap, 00236 ULONG block); 00237 00238 bool ext2_test_block_bitmap_range(PEXT2_BLOCK_BITMAP bitmap, 00239 ULONG block, int num); 00240 00241 bool ext2_test_inode_bitmap(PEXT2_BLOCK_BITMAP bitmap, 00242 ULONG inode); 00243 00244 00245 bool ext2_allocate_block_bitmap(PEXT2_FILESYS pExt2Sys); 00246 bool ext2_allocate_inode_bitmap(PEXT2_FILESYS pExt2Sys); 00247 void ext2_free_inode_bitmap(PEXT2_FILESYS pExt2Sys); 00248 void ext2_free_block_bitmap(PEXT2_FILESYS pExt2Sys); 00249 00250 bool ext2_write_block_bitmap (PEXT2_FILESYS fs); 00251 bool ext2_write_inode_bitmap (PEXT2_FILESYS fs); 00252 00253 bool ext2_write_bitmaps(PEXT2_FILESYS fs); 00254 00255 //bool read_bitmaps(PEXT2_FILESYS fs, int do_inode, int do_block); 00256 bool ext2_read_inode_bitmap (PEXT2_FILESYS fs); 00257 bool ext2_read_block_bitmap(PEXT2_FILESYS fs); 00258 bool ext2_read_bitmaps(PEXT2_FILESYS fs); 00259 00260 00261 /* 00262 * Disk.c 00263 */ 00264 00265 NTSTATUS 00266 Ext2OpenDevice( PEXT2_FILESYS Ext2Sys, 00267 PUNICODE_STRING DeviceName ); 00268 00269 NTSTATUS 00270 Ext2CloseDevice( PEXT2_FILESYS Ext2Sys); 00271 00272 NTSTATUS 00273 Ext2ReadDisk( PEXT2_FILESYS Ext2Sys, 00274 ULONGLONG Offset, 00275 ULONG Length, 00276 PVOID Buffer ); 00277 00278 NTSTATUS 00279 Ext2WriteDisk( PEXT2_FILESYS Ext2Sys, 00280 ULONGLONG Offset, 00281 ULONG Length, 00282 PVOID Buffer ); 00283 00284 NTSTATUS 00285 Ext2GetMediaInfo( PEXT2_FILESYS Ext2Sys ); 00286 00287 00288 NTSTATUS 00289 Ext2LockVolume( PEXT2_FILESYS Ext2Sys ); 00290 00291 NTSTATUS 00292 Ext2UnLockVolume( PEXT2_FILESYS Ext2Sys ); 00293 00294 NTSTATUS 00295 Ext2DisMountVolume( PEXT2_FILESYS Ext2Sys ); 00296 00297 00298 /* 00299 * Group.c 00300 */ 00301 00302 bool ext2_allocate_group_desc(PEXT2_FILESYS pExt2Sys); 00303 void ext2_free_group_desc(PEXT2_FILESYS pExt2Sys); 00304 bool ext2_bg_has_super(PEXT2_SUPER_BLOCK pExt2Sb, int group_block); 00305 00306 /* 00307 * Inode.c 00308 */ 00309 00310 bool ext2_get_inode_lba(PEXT2_FILESYS pExt2Sys, ULONG no, LONGLONG *offset); 00311 bool ext2_load_inode(PEXT2_FILESYS pExt2Sys, ULONG no, PEXT2_INODE pInode); 00312 bool ext2_save_inode(PEXT2_FILESYS pExt2Sys, ULONG no, PEXT2_INODE pInode); 00313 bool ext2_new_inode(PEXT2_FILESYS fs, ULONG dir, int mode, 00314 PEXT2_INODE_BITMAP map, ULONG *ret); 00315 bool ext2_expand_inode(PEXT2_FILESYS pExt2Sys, PEXT2_INODE, ULONG newBlk); 00316 00317 bool ext2_read_inode (PEXT2_FILESYS pExt2Sys, 00318 ULONG ino, 00319 ULONG offset, 00320 PVOID Buffer, 00321 ULONG size, 00322 PULONG dwReturn ); 00323 bool ext2_write_inode (PEXT2_FILESYS pExt2Sys, 00324 ULONG ino, 00325 ULONG offset, 00326 PVOID Buffer, 00327 ULONG size, 00328 PULONG dwReturn ); 00329 00330 bool ext2_add_entry(PEXT2_FILESYS pExt2Sys, ULONG parent, ULONG inode, int filetype, char *name); 00331 bool ext2_reserve_inodes(PEXT2_FILESYS fs); 00332 /* 00333 * Memory.c 00334 */ 00335 00336 // 00337 // Return the group # of an inode number 00338 // 00339 int ext2_group_of_ino(PEXT2_FILESYS fs, ULONG ino); 00340 00341 // 00342 // Return the group # of a block 00343 // 00344 int ext2_group_of_blk(PEXT2_FILESYS fs, ULONG blk); 00345 00346 /* 00347 * Badblock.c 00348 */ 00349 00350 00351 void ext2_inode_alloc_stats2(PEXT2_FILESYS fs, ULONG ino, int inuse, int isdir); 00352 void ext2_inode_alloc_stats(PEXT2_FILESYS fs, ULONG ino, int inuse); 00353 void ext2_block_alloc_stats(PEXT2_FILESYS fs, ULONG blk, int inuse); 00354 00355 bool ext2_allocate_tables(PEXT2_FILESYS pExt2Sys); 00356 bool ext2_allocate_group_table(PEXT2_FILESYS fs, ULONG group, 00357 PEXT2_BLOCK_BITMAP bmap); 00358 bool ext2_get_free_blocks(PEXT2_FILESYS fs, ULONG start, ULONG finish, 00359 int num, PEXT2_BLOCK_BITMAP map, ULONG *ret); 00360 bool write_inode_tables(PEXT2_FILESYS fs); 00361 00362 bool ext2_new_block(PEXT2_FILESYS fs, ULONG goal, 00363 PEXT2_BLOCK_BITMAP map, ULONG *ret); 00364 bool ext2_alloc_block(PEXT2_FILESYS fs, ULONG goal, ULONG *ret); 00365 bool ext2_new_dir_block(PEXT2_FILESYS fs, ULONG dir_ino, 00366 ULONG parent_ino, char **block); 00367 bool ext2_write_block(PEXT2_FILESYS fs, ULONG block, void *inbuf); 00368 bool ext2_read_block(PEXT2_FILESYS fs, ULONG block, void *inbuf); 00369 00370 /* 00371 * Mke2fs.c 00372 */ 00373 00374 bool parase_cmd(int argc, char *argv[], PEXT2_FILESYS pExt2Sys); 00375 00376 bool zero_blocks(PEXT2_FILESYS fs, ULONG blk, ULONG num, 00377 ULONG *ret_blk, ULONG *ret_count); 00378 00379 ULONG 00380 Ext2DataBlocks(PEXT2_FILESYS Ext2Sys, ULONG TotalBlocks); 00381 00382 ULONG 00383 Ext2TotalBlocks(PEXT2_FILESYS Ext2Sys, ULONG DataBlocks); 00384 00385 00386 00387 /* 00388 * Super.c 00389 */ 00390 00391 void ext2_print_super(PEXT2_SUPER_BLOCK pExt2Sb); 00392 bool ext2_initialize_sb(PEXT2_FILESYS pExt2Sys); 00393 00394 00395 /* 00396 * Super.c 00397 */ 00398 00399 LONGLONG ext2_nt_time (ULONG i_time); 00400 ULONG ext2_unix_time (LONGLONG n_time); 00401 00402 /* 00403 * Uuid.c 00404 */ 00405 00406 void uuid_generate(__u8 * uuid);
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