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Invert vbmeta header patching config

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vbmeta header should not be patched in most cases
This commit is contained in:
topjohnwu
2021-12-14 04:52:15 -08:00
parent 56eb1a1cf9
commit f4ed6274a4
4 changed files with 8 additions and 8 deletions
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2
native/jni/magiskboot/bootimg.cpp
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@@ -756,7 +756,7 @@ void repack(const char *src_img, const char *out_img, bool skip_comp) {
memcpy(footer, boot.avb_footer, sizeof(AvbFooter));
footer->original_image_size = __builtin_bswap64(off.total);
footer->vbmeta_offset = __builtin_bswap64(off.vbmeta);
if (!check_env("KEEPVBMETAFLAG")) {
if (check_env("PATCHVBMETAFLAG")) {
vbmeta->flags = __builtin_bswap32(3);
}
}

4
native/jni/magiskboot/main.cpp
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@@ -35,8 +35,8 @@ Supported actions:
If '-n' is provided, it will not attempt to recompress ramdisk.cpio,
otherwise it will compress ramdisk.cpio and kernel with the same format
as in <origbootimg> if the file provided is not already compressed.
All disable flags will be set in the vbmeta header, unless env variable
KEEPVBMETAFLAG is set to true.
If env variable PATCHVBMETAFLAG is set to true, all disable flags will
be set in the vbmeta header.
hexpatch <file> <hexpattern1> <hexpattern2>
Search <hexpattern1> in <file>, and replace with <hexpattern2>