diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lockdown.c | 164 |
1 files changed, 108 insertions, 56 deletions
diff --git a/src/lockdown.c b/src/lockdown.c index ea161bc..a85f8ae 100644 --- a/src/lockdown.c +++ b/src/lockdown.c @@ -656,10 +656,10 @@ lockdownd_error_t lockdownd_client_new_with_handshake(iphone_device_t device, lo } if (LOCKDOWN_E_SUCCESS == ret && !userpref_has_device_public_key(client_loc->uuid)) - ret = lockdownd_pair(client_loc, host_id); + ret = lockdownd_pair(client_loc, NULL); /* in any case, we need to validate pairing to receive trusted host status */ - ret = lockdownd_validate_pair(client_loc, host_id); + ret = lockdownd_validate_pair(client_loc, NULL); if (LOCKDOWN_E_SUCCESS == ret) { ret = lockdownd_start_session(client_loc, host_id, NULL, NULL); @@ -682,57 +682,109 @@ lockdownd_error_t lockdownd_client_new_with_handshake(iphone_device_t device, lo return ret; } +static plist_t lockdownd_pair_record_to_plist(lockdownd_pair_record_t pair_record) +{ + if (!pair_record) + return NULL; + + char *host_id_loc = pair_record->host_id; + + /* setup request plist */ + plist_t dict = plist_new_dict(); + plist_dict_insert_item(dict, "DeviceCertificate", plist_new_data(pair_record->device_certificate, strlen(pair_record->device_certificate))); + plist_dict_insert_item(dict, "HostCertificate", plist_new_data(pair_record->host_certificate, strlen(pair_record->host_certificate))); + if (!pair_record->host_id) + userpref_get_host_id(&host_id_loc); + plist_dict_insert_item(dict, "HostID", plist_new_string(host_id_loc)); + plist_dict_insert_item(dict, "RootCertificate", plist_new_data(pair_record->root_certificate, strlen(pair_record->root_certificate))); + + if (!pair_record->host_id) + free(host_id_loc); + + return dict; +} + +static lockdownd_error_t generate_pair_record_plist(gnutls_datum_t public_key, char *host_id, plist_t *pair_record_plist) +{ + lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR; + + gnutls_datum_t device_cert = { NULL, 0 }; + gnutls_datum_t host_cert = { NULL, 0 }; + gnutls_datum_t root_cert = { NULL, 0 }; + + ret = lockdownd_gen_pair_cert(public_key, &device_cert, &host_cert, &root_cert); + if (ret != LOCKDOWN_E_SUCCESS) { + return ret; + } + + char *host_id_loc = host_id; + + if (!host_id) + userpref_get_host_id(&host_id_loc); + + /* setup request plist */ + *pair_record_plist = plist_new_dict(); + plist_dict_insert_item(*pair_record_plist, "DeviceCertificate", plist_new_data((const char*)device_cert.data, device_cert.size)); + plist_dict_insert_item(*pair_record_plist, "HostCertificate", plist_new_data((const char*)host_cert.data, host_cert.size)); + plist_dict_insert_item(*pair_record_plist, "HostID", plist_new_string(host_id_loc)); + plist_dict_insert_item(*pair_record_plist, "RootCertificate", plist_new_data((const char*)root_cert.data, root_cert.size)); + + if (!host_id) + free(host_id_loc); + + return ret; +} + /** Function used internally by lockdownd_pair() and lockdownd_validate_pair() * * @param client The lockdown client to pair with. - * @param host_id The HostID to use for pairing. If NULL is passed, then - * the HostID of the current machine is used. A new HostID will be + * @param pair_record The pair record to use for pairing. If NULL is passed, then + * the pair records from the current machine are used. New records will be * generated automatically when pairing is done for the first time. - * @param verb This is either "Pair" or "ValidatePair". + * @param verb This is either "Pair", "ValidatePair" or "Unpair". * * @return an error code (LOCKDOWN_E_SUCCESS on success) */ -static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, char *host_id, const char *verb) +static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_pair_record_t pair_record, const char *verb) { lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR; plist_t dict = NULL; plist_t dict_record = NULL; - - gnutls_datum_t device_cert = { NULL, 0 }; - gnutls_datum_t host_cert = { NULL, 0 }; - gnutls_datum_t root_cert = { NULL, 0 }; gnutls_datum_t public_key = { NULL, 0 }; + int pairing_mode = 0; /* 0 = libiphone, 1 = external */ - char *host_id_loc = host_id; - - ret = lockdownd_get_device_public_key(client, &public_key); - if (ret != LOCKDOWN_E_SUCCESS) { - debug_info("device refused to send public key."); - return ret; - } - debug_info("device public key follows:\n%s", public_key.data); + if (pair_record && pair_record->host_id) { + /* valid pair_record passed? */ + if (!pair_record->device_certificate || !pair_record->host_certificate || !pair_record->root_certificate) { + return LOCKDOWN_E_PLIST_ERROR; + } - ret = lockdownd_gen_pair_cert(public_key, &device_cert, &host_cert, &root_cert); - if (ret != LOCKDOWN_E_SUCCESS) { - free(public_key.data); - return ret; - } + /* use passed pair_record */ + dict_record = lockdownd_pair_record_to_plist(pair_record); - if (!host_id) { - userpref_get_host_id(&host_id_loc); + pairing_mode = 1; + } else { + ret = lockdownd_get_device_public_key(client, &public_key); + if (ret != LOCKDOWN_E_SUCCESS) { + if (public_key.data) + free(public_key.data); + debug_info("device refused to send public key."); + return ret; + } + debug_info("device public key follows:\n%s", public_key.data); + /* get libiphone pair_record */ + ret = generate_pair_record_plist(public_key, NULL, &dict_record); + if (ret != LOCKDOWN_E_SUCCESS) { + if (dict_record) + plist_free(dict_record); + return ret; + } } /* Setup Pair request plist */ dict = plist_new_dict(); - dict_record = plist_new_dict(); plist_dict_add_label(dict, client->label); plist_dict_insert_item(dict,"PairRecord", dict_record); - - plist_dict_insert_item(dict_record, "DeviceCertificate", plist_new_data((const char*)device_cert.data, device_cert.size)); - plist_dict_insert_item(dict_record, "HostCertificate", plist_new_data((const char*)host_cert.data, host_cert.size)); - plist_dict_insert_item(dict_record, "HostID", plist_new_string(host_id_loc)); - plist_dict_insert_item(dict_record, "RootCertificate", plist_new_data((const char*)root_cert.data, root_cert.size)); - plist_dict_insert_item(dict, "Request", plist_new_string(verb)); /* send to iPhone */ @@ -740,10 +792,6 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, char *host plist_free(dict); dict = NULL; - if (!host_id) { - free(host_id_loc); - } - if (ret != LOCKDOWN_E_SUCCESS) return ret; @@ -760,12 +808,14 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, char *host /* if pairing succeeded */ if (ret == LOCKDOWN_E_SUCCESS) { debug_info("%s success", verb); - if (!strcmp("Unpair", verb)) { - /* remove public key from config */ - userpref_remove_device_public_key(client->uuid); - } else { - /* store public key in config */ - userpref_set_device_public_key(client->uuid, public_key); + if (!pairing_mode) { + if (!strcmp("Unpair", verb)) { + /* remove public key from config */ + userpref_remove_device_public_key(client->uuid); + } else { + /* store public key in config */ + userpref_set_device_public_key(client->uuid, public_key); + } } } else { debug_info("%s failure", verb); @@ -786,7 +836,8 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, char *host } plist_free(dict); dict = NULL; - free(public_key.data); + if (public_key.data) + free(public_key.data); return ret; } @@ -795,15 +846,15 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, char *host * It's part of the lockdownd handshake. * * @param client The lockdown client to pair with. - * @param host_id The HostID to use for pairing. If NULL is passed, then - * the HostID of the current machine is used. A new HostID will be + * @param pair_record The pair record to use for pairing. If NULL is passed, then + * the pair records from the current machine are used. New records will be * generated automatically when pairing is done for the first time. * * @return an error code (LOCKDOWN_E_SUCCESS on success) */ -lockdownd_error_t lockdownd_pair(lockdownd_client_t client, char *host_id) +lockdownd_error_t lockdownd_pair(lockdownd_client_t client, lockdownd_pair_record_t pair_record) { - return lockdownd_do_pair(client, host_id, "Pair"); + return lockdownd_do_pair(client, pair_record, "Pair"); } /** @@ -812,15 +863,16 @@ lockdownd_error_t lockdownd_pair(lockdownd_client_t client, char *host_id) * It's part of the lockdownd handshake. * * @param client The lockdown client to pair with. - * @param host_id The HostID to use for pairing. If NULL is passed, then - * the HostID of the current machine is used. A new HostID will be - * generated automatically when pairing is done for the first time. + * @param pair_record The pair record to validate pairing with. If NULL is + * passed, then the pair records from the current machine are used. + * New records will be generated automatically when pairing is done + * for the first time. * * @return an error code (LOCKDOWN_E_SUCCESS on success) */ -lockdownd_error_t lockdownd_validate_pair(lockdownd_client_t client, char *host_id) +lockdownd_error_t lockdownd_validate_pair(lockdownd_client_t client, lockdownd_pair_record_t pair_record) { - return lockdownd_do_pair(client, host_id, "ValidatePair"); + return lockdownd_do_pair(client, pair_record, "ValidatePair"); } /** @@ -828,14 +880,14 @@ lockdownd_error_t lockdownd_validate_pair(lockdownd_client_t client, char *host_ * from the device and host. * * @param client The lockdown client to pair with. - * @param host_id The HostID to use for unpairing. If NULL is passed, then - * the HostID of the current machine is used. + * @param pair_record The pair record to use for unpair. If NULL is passed, then + * the pair records from the current machine are used. * * @return an error code (LOCKDOWN_E_SUCCESS on success) */ -lockdownd_error_t lockdownd_unpair(lockdownd_client_t client, char *host_id) +lockdownd_error_t lockdownd_unpair(lockdownd_client_t client, lockdownd_pair_record_t pair_record) { - return lockdownd_do_pair(client, host_id, "Unpair"); + return lockdownd_do_pair(client, pair_record, "Unpair"); } /** |