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fingerprint: Shim property_get() as well

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On OnePlus Nord CE3 (ziti), shimming `__system_property_get()` is not
enough. Without this change, `vendor.fingerprint.cali` is set to 0 when
`ro.boot.vbmeta.device_state` is unset.

Test: Ensure adb logcat | grep "lcd LockState" does not show up as NULL
      Ensure adb shell getprop vendor.fingerprint.cali is 1
Change-Id: I913f00db1542a28aaaa11dba93fcce67b39717bf
This commit is contained in:
pjgowtham
2024-05-19 15:24:19 +05:30
committed by Łukasz Patron
parent 1477e8b42e
commit 9b27b2665b
1 changed files with 18 additions and 1 deletions
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19
fingerprint/shims/BiometricsFingerprintShim.cpp
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2022 The LineageOS Project
* Copyright (C) 2022-2024 The LineageOS Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -37,3 +37,20 @@ extern "C" int __system_property_get(const char* __name, char* __value) {
return __system_property_get_orig(__name, __value);
}
extern "C" int property_get(const char* key, char* value, const char* default_value) {
static auto property_get_orig =
reinterpret_cast<typeof(property_get)*>(dlsym(RTLD_NEXT, "property_get"));
if (strcmp(key, "ro.boot.vbmeta.device_state") == 0) {
ALOGV("Returning unlocked for ro.boot.vbmeta.device_state");
return strlen(strcpy(value, "unlocked"));
}
if (strcmp(key, "ro.boot.verifiedbootstate") == 0) {
ALOGV("Returning orange for ro.boot.verifiedbootstate");
return strlen(strcpy(value, "orange"));
}
return property_get_orig(key, value, default_value);
}