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Patch AVB structures

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Disable vbmeta verification in flags
This commit is contained in:
topjohnwu
2021-03-02 20:37:37 -08:00
parent 55fdee4d65
commit 027ec70262
7 changed files with 161 additions and 75 deletions
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24
native/jni/magiskboot/pattern.cpp
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@@ -5,18 +5,18 @@
#include "magiskboot.hpp"
#define MATCH(p) else if (strncmp(s + skip, p, sizeof(p) - 1) == 0) skip += (sizeof(p) - 1)
#define CHECKED_MATCH(p) else if (strncmp(s + skip, p, sizeof(p) - 1) == 0) skip += (sizeof(p) - 1)
static int check_verity_pattern(const char *s) {
int skip = s[0] == ',';
if (0) {}
MATCH("verifyatboot");
MATCH("verify");
MATCH("avb_keys");
MATCH("avb");
MATCH("support_scfs");
MATCH("fsverity");
CHECKED_MATCH("verifyatboot");
CHECKED_MATCH("verify");
CHECKED_MATCH("avb_keys");
CHECKED_MATCH("avb");
CHECKED_MATCH("support_scfs");
CHECKED_MATCH("fsverity");
else return -1;
if (s[skip] == '=') {
@@ -26,14 +26,14 @@ static int check_verity_pattern(const char *s) {
return skip;
}
#undef MATCH
#define MATCH(p) else if (strncmp(s, p, sizeof(p) - 1) == 0) return (sizeof(p) - 1)
#undef CHECKED_MATCH
#define CHECKED_MATCH(p) else if (strncmp(s, p, sizeof(p) - 1) == 0) return (sizeof(p) - 1)
static int check_encryption_pattern(const char *s) {
if (0) {}
MATCH("forceencrypt");
MATCH("forcefdeorfbe");
MATCH("fileencryption");
CHECKED_MATCH("forceencrypt");
CHECKED_MATCH("forcefdeorfbe");
CHECKED_MATCH("fileencryption");
else return -1;
}