MarcoBuster/Magisk
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Fix error parsing MTK boot.img

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Should be copy & paste error:

1. boot->r_fmt should be re-checked instead of boot->k_fmt once MTK header was found in ramdisk.

2. ramdisk_size should be restored instead of kernel_size when uncompressed ramdisk was found.

3. Correct header of ramdisk

Signed-off-by: Shaka Huang <shakalaca@gmail.com>
This commit is contained in:
Shaka Huang 2018-03-03 06:57:37 -06:00 committed by John Wu
parent d780b5a0e4
commit 968e6237bd
1 changed files with 3 additions and 3 deletions
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6
native/jni/magiskboot/bootimg.c
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@ -208,12 +208,12 @@ int parse_img(const char *image, boot_img *boot) {
fprintf(stderr, "MTK_RAMDISK_HDR\n");
boot->flags |= MTK_RAMDISK;
boot->r_hdr = malloc(sizeof(mtk_hdr));
memcpy(boot->r_hdr, boot->kernel, sizeof(mtk_hdr));
memcpy(boot->r_hdr, boot->ramdisk, sizeof(mtk_hdr));
fprintf(stderr, "RAMDISK [%u]\n", boot->r_hdr->size);
fprintf(stderr, "NAME [%s]\n", boot->r_hdr->name);
boot->ramdisk += 512;
lheader(boot, ramdisk_size, -= 512);
boot->k_fmt = check_fmt(boot->ramdisk, header(boot, ramdisk_size));
boot->r_fmt = check_fmt(boot->ramdisk, header(boot, ramdisk_size));
}
char fmt[16];
@ -341,7 +341,7 @@ void repack(const char* orig_image, const char* out_image) {
lheader(&boot, ramdisk_size, = comp(boot.r_fmt, fd, cpio, cpio_size));
munmap(cpio, cpio_size);
} else {
lheader(&boot, kernel_size, = restore(KERNEL_FILE, fd));
lheader(&boot, ramdisk_size, = restore(RAMDISK_FILE, fd));
}
file_align();
}