Merge "Set idmap2 binary uid and gid after forking" into qt-dev am: ebad9125c8 am: e9acb9c566 (913c8074) · Commits · e / os / android_frameworks_base

libs/androidfw/PosixUtils.cpp

+13 −0

Original line number	Diff line number	Diff line
		@@ -64,6 +64,9 @@ std::unique_ptr<ProcResult> ExecuteBinary(const std::vector<std::string>& argv)
		return nullptr;
		}

		auto gid = getgid();
		auto uid = getuid();

		char const argv0 = (char const)malloc(sizeof(char) (argv.size() + 1));
		for (size_t i = 0; i < argv.size(); i++) {
		argv0[i] = argv[i].c_str();
		@@ -75,6 +78,16 @@ std::unique_ptr<ProcResult> ExecuteBinary(const std::vector<std::string>& argv)
		PLOG(ERROR) << "fork";
		return nullptr;
		case 0: // child
		if (setgid(gid) != 0) {
		PLOG(ERROR) << "setgid";
		exit(1);
		}

		if (setuid(uid) != 0) {
		PLOG(ERROR) << "setuid";
		exit(1);
		}

		close(stdout[0]);
		if (dup2(stdout[1], STDOUT_FILENO) == -1) {
		abort();