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PhotoRec: stricter check for .dat

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This commit is contained in:
Christophe Grenier 2014-07-24 23:41:45 +02:00
parent 301a06ab6f
commit e911b57a11
1 changed files with 4 additions and 1 deletions
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5
src/file_dat.c
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@ -51,10 +51,13 @@ static int header_check_dat(const unsigned char *buffer, const unsigned int buff
static int header_check_datIE(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new) static int header_check_datIE(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{ {
const uint64_t size=(uint64_t)buffer[0x1C]+(((uint64_t)buffer[0x1D])<<8)+(((uint64_t)buffer[0x1E])<<16)+(((uint64_t)buffer[0x1F])<<24);
if(size < 0x20)
return 0;
reset_file_recovery(file_recovery_new); reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_dat.extension; file_recovery_new->extension=file_hint_dat.extension;
file_recovery_new->min_filesize=0x20; file_recovery_new->min_filesize=0x20;
file_recovery_new->calculated_file_size=(uint64_t)buffer[0x1C]+(((uint64_t)buffer[0x1D])<<8)+(((uint64_t)buffer[0x1E])<<16)+(((uint64_t)buffer[0x1F])<<24); file_recovery_new->calculated_file_size=size;
file_recovery_new->data_check=&data_check_size; file_recovery_new->data_check=&data_check_size;
file_recovery_new->file_check=&file_check_size; file_recovery_new->file_check=&file_check_size;
return 1; return 1;