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Improved detection for TWLN public.sav images

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d0k3 2017-04-24 01:22:51 +02:00
parent a8bf80ee2a
commit 71138c7578
1 changed files with 2 additions and 1 deletions
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source/fatfs/ff.c
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@ -2976,7 +2976,8 @@ BYTE check_fs ( /* 0:FAT, 1:exFAT, 2:Valid BS but not FAT, 3:Not a BS, 4:Disk er
if (fs->win[BS_JmpBoot] == 0xE9 || (fs->win[BS_JmpBoot] == 0xEB && fs->win[BS_JmpBoot + 2] == 0x90)) { if (fs->win[BS_JmpBoot] == 0xE9 || (fs->win[BS_JmpBoot] == 0xEB && fs->win[BS_JmpBoot + 2] == 0x90)) {
if ((ld_dword(fs->win + BS_FilSysType) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */ if ((ld_dword(fs->win + BS_FilSysType) & 0xFFFFFF) == 0x544146) return 0; /* Check "FAT" string */
if (ld_dword(fs->win + BS_FilSysType32) == 0x33544146) return 0; /* Check "FAT3" string */ if (ld_dword(fs->win + BS_FilSysType32) == 0x33544146) return 0; /* Check "FAT3" string */
if (ld_dword(fs->win + BS_FilSysType) == 0x00000000) return 0; /* all zeroes, hacked(!!!) in */ /* !CUSTOM CODE! - special detection for public.sav archives in the TWLN partition */
if ((ld_dword(fs->win + BS_FilSysType) == 0x00) && (ld_dword(fs->win + BS_VolID) == 0x12345678)) return 0;
} }
#if _FS_EXFAT #if _FS_EXFAT
if (!mem_cmp(fs->win + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11)) return 1; if (!mem_cmp(fs->win + BS_JmpBoot, "\xEB\x76\x90" "EXFAT ", 11)) return 1;