102 static bool e4crypt_policy_set(const char *directory, const char *policy, size_t policy_length) {  in e4crypt_policy_set()  argument
107     int fd = open(directory, O_DIRECTORY | O_NOFOLLOW | O_CLOEXEC);  in e4crypt_policy_set()
109         PLOG(ERROR) << "Failed to open directory " << directory;  in e4crypt_policy_set()
120         PLOG(ERROR) << "Failed to set encryption policy for " << directory;  in e4crypt_policy_set()
128     LOG(INFO) << "Policy for " << directory << " set to " << policy_hex;  in e4crypt_policy_set()
132 static bool e4crypt_policy_get(const char *directory, char *policy, size_t policy_length) {  in e4crypt_policy_get()  argument
138     int fd = open(directory, O_DIRECTORY | O_NOFOLLOW | O_CLOEXEC);  in e4crypt_policy_get()
140         PLOG(ERROR) << "Failed to open directory " << directory;  in e4crypt_policy_get()
147         PLOG(ERROR) << "Failed to get encryption policy for " << directory;  in e4crypt_policy_get()
157         LOG(ERROR) << "Failed to find matching encryption policy for " << directory;  in e4crypt_policy_get()
165 static bool e4crypt_policy_check(const char *directory, const char *policy, size_t policy_length) {  in e4crypt_policy_check()  argument
171     if (!e4crypt_policy_get(directory, existing_policy, EXT4_KEY_DESCRIPTOR_SIZE)) return false;  in e4crypt_policy_check()
179         LOG(ERROR) << "Found policy " << existing_policy_hex << " at " << directory  in e4crypt_policy_check()
183     LOG(INFO) << "Found policy " << existing_policy_hex << " at " << directory  in e4crypt_policy_check()
188 int e4crypt_policy_ensure(const char *directory, const char *policy, size_t policy_length) {  in e4crypt_policy_ensure()  argument
190     if (!is_dir_empty(directory, &is_empty)) return -1;  in e4crypt_policy_ensure()
192         if (!e4crypt_policy_set(directory, policy, policy_length)) return -1;  in e4crypt_policy_ensure()
194         if (!e4crypt_policy_check(directory, policy, policy_length)) return -1;  in e4crypt_policy_ensure()