summaryrefslogtreecommitdiffstats
path: root/src/file_ifo.c
diff options
context:
space:
mode:
authorChristophe Grenier <grenier@cgsecurity.org>2011-08-28 10:02:04 +0200
committerChristophe Grenier <grenier@cgsecurity.org>2011-08-28 10:02:04 +0200
commitd275abb229920f26fcef7929af83bd04b949f8a4 (patch)
tree22eaad74df0764bee8435c8b0d7f05ba954b8489 /src/file_ifo.c
parent03ecc7e037e528fa3f6acab65c2bbe8515608703 (diff)
PhotoRec: detect IFO file size
Diffstat (limited to 'src/file_ifo.c')
-rw-r--r--src/file_ifo.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/file_ifo.c b/src/file_ifo.c
index 43d4f81..4a8075a 100644
--- a/src/file_ifo.c
+++ b/src/file_ifo.c
@@ -32,6 +32,7 @@
#include <stdio.h>
#include "types.h"
#include "filegen.h"
+#include "common.h"
static void register_header_check_ifo(file_stat_t *file_stat);
static int header_check_ifo(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);
@@ -55,14 +56,24 @@ static void register_header_check_ifo(file_stat_t *file_stat)
register_header_check(0, ifo_header_vts, sizeof(ifo_header_vts), &header_check_ifo, file_stat);
}
+struct ifo_hdr
+{
+ char name[12];
+ uint32_t ls_BUP[4];
+ uint32_t ls_IFO;
+} __attribute__ ((__packed__));
static int header_check_ifo(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)
{
if(memcmp(buffer, ifo_header_vmg, sizeof(ifo_header_vmg))==0 ||
memcmp(buffer, ifo_header_vts, sizeof(ifo_header_vts))==0)
{
+ const struct ifo_hdr *hdr=(const struct ifo_hdr *)buffer;
reset_file_recovery(file_recovery_new);
file_recovery_new->extension=file_hint_ifo.extension;
+ file_recovery_new->calculated_file_size=((uint64_t)be32(hdr->ls_IFO)+1)*2048;
+ file_recovery_new->data_check=&data_check_size;
+ file_recovery_new->file_check=&file_check_size;
return 1;
}
return 0;