int header_check_tiff_le_new(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 char raf_fp[15]={0x49, 0x49, 0x2a, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0xf0, 0x0d, 0x00, 0x01};
const char *potential_error=NULL;
const TIFFHeader *header=(const TIFFHeader *)buffer;
if((uint32_t)le32(header->tiff_diroff) < sizeof(TIFFHeader))
return 0;
/* Avoid a false positiv with some RAF files */
if(file_recovery->file_stat!=NULL &&
file_recovery->file_stat->file_hint==&file_hint_raf &&
memcmp(buffer, raf_fp, 15)==0)
{
header_ignored(file_recovery_new);
return 0;
}
if(file_recovery->file_stat!=NULL &&
file_recovery->file_stat->file_hint==&file_hint_jpg)
{
if(header_ignored_adv(file_recovery, file_recovery_new)==0)
return 0;
}
reset_file_recovery(file_recovery_new);
file_recovery_new->extension="tif";
/* Canon RAW */
if(buffer[8]=='C' && buffer[9]=='R' && buffer[10]==2)
file_recovery_new->extension="cr2";
else if(find_tag_from_tiff_header_le(header, buffer_size, TIFFTAG_DNGVERSION, &potential_error)!=NULL)
{
/* Adobe Digital Negative, ie. NIKON D50 */
file_recovery_new->extension="dng";
}
else
{
const char *tag_make;
tag_make=find_tag_from_tiff_header_le(header, buffer_size, TIFFTAG_MAKE, &potential_error);
if(tag_make!=NULL && tag_make >= (const char *)buffer && tag_make < (const char *)buffer + buffer_size - 5)
{
/* TODO
* sr2 if Sony::FileFormat begins by 1
* arw otherwise */
if(memcmp(tag_make, "SONY", 5)==0)
file_recovery_new->extension="sr2";
else if(strncmp(tag_make, "SONY ",5)==0)
file_recovery_new->extension="arw";
else if(memcmp(tag_make, "NIKON CORPORATION", 18)==0)
file_recovery_new->extension="nef";
}
}
file_recovery_new->time=get_date_from_tiff_header(header, buffer_size);
file_recovery_new->file_check=&file_check_tiff;
return 1;
}
const char *find_tag_from_tiff_header(const TIFFHeader *tiff, const unsigned int tiff_size, const unsigned int tag, const char **potential_error)
{
if(tiff->tiff_magic==TIFF_BIGENDIAN)
return find_tag_from_tiff_header_be(tiff, tiff_size, tag, potential_error);
else if(tiff->tiff_magic==TIFF_LITTLEENDIAN)
return find_tag_from_tiff_header_le(tiff, tiff_size, tag, potential_error);
return NULL;
}
