gatekeeper HIDL HAL definition
Change-Id: I8224ba28abec42cfaea26b147acbcd1a27e09a9b
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
diff --git a/gatekeeper/1.0/default/Gatekeeper.cpp b/gatekeeper/1.0/default/Gatekeeper.cpp
new file mode 100644
index 0000000..8fcd8ca
--- /dev/null
+++ b/gatekeeper/1.0/default/Gatekeeper.cpp
@@ -0,0 +1,149 @@
+#define LOG_TAG "android.hardware.gatekeeper@1.0-service"
+
+#include <utils/Log.h>
+#include <dlfcn.h>
+
+#include "Gatekeeper.h"
+
+namespace android {
+namespace hardware {
+namespace gatekeeper {
+namespace V1_0 {
+namespace implementation {
+
+Gatekeeper::Gatekeeper()
+{
+ int ret = hw_get_module_by_class(GATEKEEPER_HARDWARE_MODULE_ID, NULL, &module);
+ device = NULL;
+
+ if (!ret) {
+ ret = gatekeeper_open(module, &device);
+ }
+ if (ret < 0) {
+ LOG_ALWAYS_FATAL_IF(ret < 0, "Unable to open GateKeeper HAL");
+ }
+}
+
+Gatekeeper::~Gatekeeper()
+{
+ if (device != nullptr) {
+ int ret = gatekeeper_close(device);
+ if (ret < 0) {
+ ALOGE("Unable to close GateKeeper HAL");
+ }
+ }
+ dlclose(module->dso);
+}
+
+// Methods from ::android::hardware::gatekeeper::V1_0::IGatekeeper follow.
+Return<void> Gatekeeper::enroll(uint32_t uid,
+ const hidl_vec<uint8_t>& currentPasswordHandle,
+ const hidl_vec<uint8_t>& currentPassword,
+ const hidl_vec<uint8_t>& desiredPassword,
+ enroll_cb cb)
+{
+ GatekeeperResponse rsp;
+ uint8_t *enrolled_password_handle = nullptr;
+ uint32_t enrolled_password_handle_length = 0;
+
+ int ret = device->enroll(device, uid,
+ currentPasswordHandle.data(), currentPasswordHandle.size(),
+ currentPassword.data(), currentPassword.size(),
+ desiredPassword.data(), desiredPassword.size(),
+ &enrolled_password_handle, &enrolled_password_handle_length);
+ if (!ret) {
+ rsp.data.setToExternal(enrolled_password_handle,
+ enrolled_password_handle_length,
+ true);
+ rsp.code = GatekeeperStatusCode::STATUS_OK;
+ } else if (ret > 0) {
+ rsp.timeout = ret;
+ rsp.code = GatekeeperStatusCode::ERROR_RETRY_TIMEOUT;
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_GENERAL_FAILURE;
+ }
+ cb(rsp);
+ return Void();
+}
+
+Return<void> Gatekeeper::verify(uint32_t uid,
+ uint64_t challenge,
+ const hidl_vec<uint8_t>& enrolledPasswordHandle,
+ const hidl_vec<uint8_t>& providedPassword,
+ verify_cb cb)
+{
+ GatekeeperResponse rsp;
+ uint8_t *auth_token = nullptr;
+ uint32_t auth_token_length = 0;
+ bool request_reenroll = false;
+
+ int ret = device->verify(device, uid, challenge,
+ enrolledPasswordHandle.data(), enrolledPasswordHandle.size(),
+ providedPassword.data(), providedPassword.size(),
+ &auth_token, &auth_token_length,
+ &request_reenroll);
+ if (!ret) {
+ rsp.data.setToExternal(auth_token, auth_token_length, true);
+ if (request_reenroll) {
+ rsp.code = GatekeeperStatusCode::STATUS_REENROLL;
+ } else {
+ rsp.code = GatekeeperStatusCode::STATUS_OK;
+ }
+ } else if (ret > 0) {
+ rsp.timeout = ret;
+ rsp.code = GatekeeperStatusCode::ERROR_RETRY_TIMEOUT;
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_GENERAL_FAILURE;
+ }
+ cb(rsp);
+ return Void();
+}
+
+Return<void> Gatekeeper::deleteUser(uint32_t uid, deleteUser_cb cb) {
+ GatekeeperResponse rsp;
+
+ if (device->delete_user != nullptr) {
+ int ret = device->delete_user(device, uid);
+ if (!ret) {
+ rsp.code = GatekeeperStatusCode::STATUS_OK;
+ } else if (ret > 0) {
+ rsp.timeout = ret;
+ rsp.code = GatekeeperStatusCode::ERROR_RETRY_TIMEOUT;
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_GENERAL_FAILURE;
+ }
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED;
+ }
+ cb(rsp);
+ return Void();
+}
+
+Return<void> Gatekeeper::deleteAllUsers(deleteAllUsers_cb cb) {
+ GatekeeperResponse rsp;
+ if (device->delete_all_users != nullptr) {
+ int ret = device->delete_all_users(device);
+ if (!ret) {
+ rsp.code = GatekeeperStatusCode::STATUS_OK;
+ } else if (ret > 0) {
+ rsp.timeout = ret;
+ rsp.code = GatekeeperStatusCode::ERROR_RETRY_TIMEOUT;
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_GENERAL_FAILURE;
+ }
+ } else {
+ rsp.code = GatekeeperStatusCode::ERROR_NOT_IMPLEMENTED;
+ }
+ cb(rsp);
+ return Void();
+}
+
+IGatekeeper* HIDL_FETCH_IGatekeeper(const char* /* name */) {
+ return new Gatekeeper();
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace gatekeeper
+} // namespace hardware
+} // namespace android