638 static std::string volkey_path(const std::string& misc_path, const std::string& volume_uuid) {  in volkey_path()  argument
639     return misc_path + "/vold/volume_keys/" + volume_uuid + "/default";  in volkey_path()
642 static std::string volume_secdiscardable_path(const std::string& volume_uuid) {  in volume_secdiscardable_path()  argument
643     return systemwide_volume_key_dir + "/" + volume_uuid + "/secdiscardable";  in volume_secdiscardable_path()
646 static bool read_or_create_volkey(const std::string& misc_path, const std::string& volume_uuid,  in read_or_create_volkey()  argument
648     auto secdiscardable_path = volume_secdiscardable_path(volume_uuid);  in read_or_create_volkey()
658     auto key_path = volkey_path(misc_path, volume_uuid);  in read_or_create_volkey()
667     if (!install_storage_key(BuildDataPath(volume_uuid), options, key, policy)) return false;  in read_or_create_volkey()
671 static bool destroy_volkey(const std::string& misc_path, const std::string& volume_uuid) {  in destroy_volkey()  argument
672     auto path = volkey_path(misc_path, volume_uuid);  in destroy_volkey()
789 static bool prepare_subdirs(const std::string& action, const std::string& volume_uuid,  in prepare_subdirs()  argument
792                  std::vector<std::string>{prepare_subdirs_path, action, volume_uuid,  in prepare_subdirs()
800 bool fscrypt_prepare_user_storage(const std::string& volume_uuid, userid_t user_id, int serial,  in fscrypt_prepare_user_storage()  argument
802     LOG(DEBUG) << "fscrypt_prepare_user_storage for volume " << escape_empty(volume_uuid)  in fscrypt_prepare_user_storage()
815         auto user_de_path = android::vold::BuildDataUserDePath(volume_uuid, user_id);  in fscrypt_prepare_user_storage()
817         if (volume_uuid.empty()) {  in fscrypt_prepare_user_storage()
834             if (volume_uuid.empty()) {  in fscrypt_prepare_user_storage()
840                 if (!read_or_create_volkey(misc_de_path, volume_uuid, &de_policy)) return false;  in fscrypt_prepare_user_storage()
851         auto media_ce_path = android::vold::BuildDataMediaCePath(volume_uuid, user_id);  in fscrypt_prepare_user_storage()
852         auto user_ce_path = android::vold::BuildDataUserCePath(volume_uuid, user_id);  in fscrypt_prepare_user_storage()
854         if (volume_uuid.empty()) {  in fscrypt_prepare_user_storage()
873             if (volume_uuid.empty()) {  in fscrypt_prepare_user_storage()
879                 if (!read_or_create_volkey(misc_ce_path, volume_uuid, &ce_policy)) return false;  in fscrypt_prepare_user_storage()
885         if (volume_uuid.empty()) {  in fscrypt_prepare_user_storage()
894     if (!prepare_subdirs("prepare", volume_uuid, user_id, flags)) return false;  in fscrypt_prepare_user_storage()
899 bool fscrypt_destroy_user_storage(const std::string& volume_uuid, userid_t user_id, int flags) {  in fscrypt_destroy_user_storage()  argument
900     LOG(DEBUG) << "fscrypt_destroy_user_storage for volume " << escape_empty(volume_uuid)  in fscrypt_destroy_user_storage()
904     res &= prepare_subdirs("destroy", volume_uuid, user_id, flags);  in fscrypt_destroy_user_storage()
911         auto media_ce_path = android::vold::BuildDataMediaCePath(volume_uuid, user_id);  in fscrypt_destroy_user_storage()
912         auto user_ce_path = android::vold::BuildDataUserCePath(volume_uuid, user_id);  in fscrypt_destroy_user_storage()
916         if (volume_uuid.empty()) {  in fscrypt_destroy_user_storage()
922                 res &= destroy_volkey(misc_ce_path, volume_uuid);  in fscrypt_destroy_user_storage()
937         auto user_de_path = android::vold::BuildDataUserDePath(volume_uuid, user_id);  in fscrypt_destroy_user_storage()
940         if (volume_uuid.empty()) {  in fscrypt_destroy_user_storage()
951                 res &= destroy_volkey(misc_de_path, volume_uuid);  in fscrypt_destroy_user_storage()
959 static bool destroy_volume_keys(const std::string& directory_path, const std::string& volume_uuid) {  in destroy_volume_keys()  argument
981         res &= destroy_volkey(directory_path + "/" + entry->d_name, volume_uuid);  in destroy_volume_keys()
986 bool fscrypt_destroy_volume_keys(const std::string& volume_uuid) {  in fscrypt_destroy_volume_keys()  argument
988     LOG(DEBUG) << "fscrypt_destroy_volume_keys for volume " << escape_empty(volume_uuid);  in fscrypt_destroy_volume_keys()
989     auto secdiscardable_path = volume_secdiscardable_path(volume_uuid);  in fscrypt_destroy_volume_keys()
991     res &= destroy_volume_keys("/data/misc_ce", volume_uuid);  in fscrypt_destroy_volume_keys()
992     res &= destroy_volume_keys("/data/misc_de", volume_uuid);  in fscrypt_destroy_volume_keys()