clibimobiledevice

How can I get the ECID of a connected device using libimobiledevice?

Using libimobiledevice I can get the ECID of a connected device from the command line by running

$ ideviceinfo -k UniqueChipID

Is there a way to do this using the C API?

Solution

  • You're looking for lockdownd_get_value, which is part of the libimobiledevice C api. The declaration is:

    /**
 * Retrieves a preferences plist using an optional domain and/or key name.
 *
 * @param client An initialized lockdownd client.
 * @param domain The domain to query on or NULL for global domain
 * @param key The key name to request or NULL to query for all keys
 * @param value A plist node representing the result value node
 *
 * @return LOCKDOWN_E_SUCCESS on success, LOCKDOWN_E_INVALID_ARG when client is NULL
 */
LIBIMOBILEDEVICE_API_MSC lockdownd_error_t lockdownd_get_value(lockdownd_client_t client, const char *domain, const char *key, plist_t *value);

    You can create a lockdown_client_t using a lockdownd_client_new. Look at the ideviceinfo source code for more information on how to set up a lockdown client.

    The domain and key parameters map to what you've provided on the command line. You didn't specify a domain, so set that to NULL. key should be the value of what you passed as the -k argument, hence UniqueChipID.

    The output will be a plist_t. You can use the libplist API to convert this to XML or a string.