From d9aeffa1d064e7bbae05860e5a51950d1a72373b Mon Sep 17 00:00:00 2001 From: Pali Rohár Date: Fri, 24 Aug 2012 10:01:32 +0200 Subject: image: Fix image detection, detect kernel by magic number and U-Boot by arm branch instruction --- src/image.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/src/image.c b/src/image.c index c3a0212..dde7f95 100644 --- a/src/image.c +++ b/src/image.c @@ -426,21 +426,21 @@ enum image_type image_type_from_data(struct image * image) { image_seek(image, 0); image_read(image, buf, sizeof(buf)); - if ( memcmp(buf+0x34, "2NDAPE", 6) == 0 ) + if ( memcmp(buf+52, "2NDAPE", 6) == 0 ) return IMAGE_2ND; - else if ( memcmp(buf+0x14, "2ND", 3) == 0 ) + else if ( memcmp(buf+20, "2ND", 3) == 0 ) return IMAGE_2ND; - else if ( memcmp(buf+0x04, "NOLOScnd", 8) == 0 ) + else if ( memcmp(buf+4, "NOLOScnd", 8) == 0 ) return IMAGE_SECONDARY; - else if ( memcmp(buf+0x14, "X-LOADER", 8) == 0 ) + else if ( memcmp(buf+20, "X-LOADER", 8) == 0 ) return IMAGE_XLOADER; - else if ( memcmp(buf+0x0c, "NOLOXldr", 8) == 0 ) + else if ( memcmp(buf+12, "NOLOXldr", 8) == 0 ) return IMAGE_XLOADER; else if ( memcmp(buf+4, "NOLOXldr", 8) == 0 ) return IMAGE_2ND; - else if ( memcmp(buf, "\x00\x00\xa0\xe1\x00\x00\xa0\xe1", 8) == 0 ) + else if ( memcmp(buf+36, "\x18\x28\x6f\x01", 4) == 0 ) /* ARM Linux kernel magic number */ return IMAGE_KERNEL; - else if ( memcmp(buf, "\x21\x01\x01", 3) == 0 ) + else if ( memcmp(buf, "\x14\x00\x00\xea", 4) == 0 ) /* ARM U-Boot - instruction branch +0x50 */ return IMAGE_KERNEL; else if ( memcmp(buf, "UBI#", 4) == 0 ) /* UBI EC header */ return IMAGE_ROOTFS; @@ -450,9 +450,9 @@ enum image_type image_type_from_data(struct image * image) { return IMAGE_CMT_ALGO; else if ( memcmp(buf, "\xb2\x00\x00\x01\x44\x00\x00\x00", 8) == 0 ) return IMAGE_CMT_MCUSW; - else if ( memcmp(buf, "\x45\x3d\xcd\x28", 2) == 0 ) /* Compressed ROMFS header */ + else if ( memcmp(buf, "\x45\x3d\xcd\x28", 4) == 0 ) /* CRAMFS MAGIC */ return IMAGE_INITFS; - else if ( memcmp(buf, "\x85\x19\x01\xe0", 2) == 0 ) { /* JFFS2 MAGIC */ + else if ( memcmp(buf, "\x85\x19", 2) == 0 ) { /* JFFS2 MAGIC */ if ( image->size < 0x300000 ) return IMAGE_INITFS; else -- cgit v1.2.3