patches/system/core/0001-init-Override-select-system-properties.patch

44 lines
1.9 KiB
Diff

From dec8e279b0e806ba98e9457e5c4be87dd7f53259 Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Wed, 23 Feb 2022 17:37:47 -0500
Subject: [PATCH 1/2] init: Override select system properties
* adb secure props and logd can be overridden from system.
Change-Id: I94efa3f108ae97711026f099f367b6bea325629f
---
init/property_service.cpp | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 83e9a0d..97d2fe0 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -795,13 +795,20 @@ static void LoadProperties(char* data, const char* filter, const char* filename,
std::string error;
if (CheckPermissions(key, value, context, cr, &error) == PROP_SUCCESS) {
auto it = properties->find(key);
+ const char *new_value = value;
+
if (it == properties->end()) {
- (*properties)[key] = value;
- } else if (it->second != value) {
+ (*properties)[key] = new_value;
+ } else if (it->second != new_value) {
LOG(WARNING) << "Overriding previous property '" << key << "':'" << it->second
<< "' with new value '" << value << "'";
- it->second = value;
- }
+ if (strstr(key, "adb") || strstr(key, "secure") || strstr(key, "ro.logd.kernel")
+ || strcmp("ro.control_privapp_permissions", key) == 0) {
+ LOG(WARNING) << "... Ignored";
+ } else {
+ it->second = new_value;
+ }
+ }
} else {
LOG(ERROR) << "Do not have permissions to set '" << key << "' to '" << value
<< "' in property file '" << filename << "': " << error;
--
2.48.1