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Fix: Mounting public.sav files

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d0k3 2016-12-07 23:39:10 +01:00
parent 8e4b04a18e
commit da506d3c4a
2 changed files with 2 additions and 1 deletions
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1
source/fatfs/ff.c
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@ -2925,6 +2925,7 @@ 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 */
} }
#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;

2
source/filetype.c
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@ -24,7 +24,7 @@ u32 IdentifyFileType(const char* path) {
} else if (getbe16(header + 0x1FE) == 0x55AA) { // migt be FAT or MBR } else if (getbe16(header + 0x1FE) == 0x55AA) { // migt be FAT or MBR
if ((strncmp((char*) header + 0x36, "FAT12 ", 8) == 0) || (strncmp((char*) header + 0x36, "FAT16 ", 8) == 0) || if ((strncmp((char*) header + 0x36, "FAT12 ", 8) == 0) || (strncmp((char*) header + 0x36, "FAT16 ", 8) == 0) ||
(strncmp((char*) header + 0x36, "FAT ", 8) == 0) || (strncmp((char*) header + 0x52, "FAT32 ", 8) == 0) || (strncmp((char*) header + 0x36, "FAT ", 8) == 0) || (strncmp((char*) header + 0x52, "FAT32 ", 8) == 0) ||
((getle64(header + 0x36) == 0) && (getle16(header + 0x0B) == 0x20))) { // last one is a special case for public.sav ((getle64(header + 0x36) == 0) && (getle16(header + 0x0B) == 0x200))) { // last one is a special case for public.sav
return IMG_FAT; // this is an actual FAT header return IMG_FAT; // this is an actual FAT header
} else if (((getle32(header + 0x1BE + 0x8) + getle32(header + 0x1BE + 0xC)) < (fsize / 0x200)) && // check file size } else if (((getle32(header + 0x1BE + 0x8) + getle32(header + 0x1BE + 0xC)) < (fsize / 0x200)) && // check file size
(getle32(header + 0x1BE + 0x8) > 0) && (getle32(header + 0x1BE + 0xC) >= 0x800) && // check first partition sanity (getle32(header + 0x1BE + 0x8) > 0) && (getle32(header + 0x1BE + 0xC) >= 0x800) && // check first partition sanity