diff options
Diffstat (limited to 'src/conf.c')
| -rw-r--r-- | src/conf.c | 32 |
1 files changed, 31 insertions, 1 deletions
@@ -326,6 +326,35 @@ static int config_set_system_buid(const char *system_buid) } /** + * Determines whether a pairing record is present for the given device. + * + * @param udid The device UDID as given by the device. + * + * @return 1 if there's a pairing record for the given udid or 0 otherwise. + */ +int config_has_device_record(const char *udid) +{ + int res = 0; + if (!udid) return 0; + + /* ensure config directory exists */ + config_create_config_dir(); + + /* build file path */ + const char *config_path = config_get_config_dir(); + char *device_record_file = string_concat(config_path, DIR_SEP_S, udid, CONFIG_EXT, NULL); + + struct stat st; + + if ((stat(device_record_file, &st) == 0) && S_ISREG(st.st_mode)) + res = 1; + + free(device_record_file); + + return res; +} + +/** * Reads the BUID from a previously generated configuration file. * * @param system_buid pointer to a variable that will be set to point to a @@ -430,7 +459,8 @@ int config_get_device_record(const char *udid, char **record_data, uint64_t *rec char *device_record_file = string_concat(config_path, DIR_SEP_S, udid, CONFIG_EXT, NULL); /* read file */ - buffer_read_from_filename(device_record_file, record_data, record_size); if (!*record_data) { + buffer_read_from_filename(device_record_file, record_data, record_size); + if (!*record_data) { usbmuxd_log(LL_ERROR, "%s: failed to read '%s': %s", __func__, device_record_file, strerror(errno)); res = -ENOENT; } |