Implement clear SID API (7c9c3bc9) · Commits · e / os / android_system_core

gatekeeperd/IGateKeeperService.cpp

+7 −0

Original line number	Diff line number	Diff line
		@@ -123,6 +123,13 @@ status_t BnGateKeeperService::onTransact(
		reply->writeInt64(sid);
		return NO_ERROR;
		}
		case CLEAR_SECURE_USER_ID: {
		CHECK_INTERFACE(IGateKeeperService, data, reply);
		uint32_t uid = data.readInt32();
		clearSecureUserId(uid);
		reply->writeNoException();
		return NO_ERROR;
		}
		default:
		return BBinder::onTransact(code, data, reply, flags);
		}

+6 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ public:
		VERIFY = IBinder::FIRST_CALL_TRANSACTION + 1,
		VERIFY_CHALLENGE = IBinder::FIRST_CALL_TRANSACTION + 2,
		GET_SECURE_USER_ID = IBinder::FIRST_CALL_TRANSACTION + 3,
		CLEAR_SECURE_USER_ID = IBinder::FIRST_CALL_TRANSACTION + 4,
		};

		// DECLARE_META_INTERFACE - C++ client interface not needed
		@@ -70,6 +71,11 @@ public:
		* Returns the secure user ID for the provided android user
		*/
		virtual uint64_t getSecureUserId(uint32_t uid) = 0;

		/**
		* Clears the secure user ID associated with the user.
		*/
		virtual void clearSecureUserId(uint32_t uid) = 0;
		};

		// ----------------------------------------------------------------------------

+11 −0

Original line number	Diff line number	Diff line
		@@ -173,6 +173,17 @@ public:
		return read_sid(uid);
		}

		virtual void clearSecureUserId(uint32_t uid) {
		IPCThreadState* ipc = IPCThreadState::self();
		const int calling_pid = ipc->getCallingPid();
		const int calling_uid = ipc->getCallingUid();
		if (!PermissionCache::checkPermission(KEYGUARD_PERMISSION, calling_pid, calling_uid)) {
		ALOGE("%s: permission denied for [%d:%d]", __func__, calling_pid, calling_uid);
		return;
		}
		store_sid(uid, 0);
		}

		virtual status_t dump(int fd, const Vector<String16> &) {
		IPCThreadState* ipc = IPCThreadState::self();
		const int pid = ipc->getCallingPid();