diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/idevice.c | 31 | ||||
| -rw-r--r-- | src/lockdown.c | 530 | ||||
| -rw-r--r-- | src/lockdown.h | 5 | 
3 files changed, 130 insertions, 436 deletions
diff --git a/src/idevice.c b/src/idevice.c index d01aa8f..c656517 100644 --- a/src/idevice.c +++ b/src/idevice.c @@ -511,7 +511,7 @@ static ssize_t internal_ssl_read(gnutls_transport_ptr_t transport, char *buffer,  	debug_info("pre-read client wants %zi bytes", length); -	recv_buffer = (char *) malloc(sizeof(char) * this_len); +	recv_buffer = (char *)malloc(sizeof(char) * this_len);  	/* repeat until we have the full data or an error occurs */  	do { @@ -637,12 +637,12 @@ static const char *errorstring(int e)  /**   * Internally used gnutls callback function that gets called during handshake.   */ -static int internal_cert_callback (gnutls_session_t session, const gnutls_datum_t * req_ca_rdn, int nreqs, const gnutls_pk_algorithm_t * sign_algos, int sign_algos_length, gnutls_retr_st * st) +static int internal_cert_callback(gnutls_session_t session, const gnutls_datum_t * req_ca_rdn, int nreqs, const gnutls_pk_algorithm_t * sign_algos, int sign_algos_length, gnutls_retr_st * st)  {  	int res = -1; -	gnutls_certificate_type_t type = gnutls_certificate_type_get (session); +	gnutls_certificate_type_t type = gnutls_certificate_type_get(session);  	if (type == GNUTLS_CRT_X509) { -		ssl_data_t ssl_data = (ssl_data_t)gnutls_session_get_ptr (session); +		ssl_data_t ssl_data = (ssl_data_t)gnutls_session_get_ptr(session);  		if (ssl_data && ssl_data->host_privkey && ssl_data->host_cert) {  			debug_info("Passing certificate");  			st->type = type; @@ -673,15 +673,20 @@ idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection)  	idevice_error_t ret = IDEVICE_E_SSL_ERROR;  	uint32_t return_me = 0; +	plist_t pair_record = NULL; + +	userpref_read_pair_record(connection->udid, &pair_record); +	if (!pair_record) { +		debug_info("ERROR: Failed enabling SSL. Unable to read pair record for udid %s.", connection->udid); +		return ret; +	}  #ifdef HAVE_OPENSSL  	key_data_t root_cert = { NULL, 0 };  	key_data_t root_privkey = { NULL, 0 }; -	userpref_error_t uerr = userpref_device_record_get_keys_and_certs(connection->udid, &root_privkey, &root_cert, NULL, NULL); -	if (uerr != USERPREF_E_SUCCESS) { -		debug_info("Error %d when loading keys and certificates! %d", uerr); -	} +	pair_record_import_key_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, &root_cert); +	pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, &root_privkey);  	/* Set up OpenSSL */  	if (openssl_init_done == 0) { @@ -756,7 +761,7 @@ idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection)  	errno = 0;  	gnutls_global_init();  	gnutls_certificate_allocate_credentials(&ssl_data_loc->certificate); -	gnutls_certificate_client_set_retrieve_function (ssl_data_loc->certificate, internal_cert_callback); +	gnutls_certificate_client_set_retrieve_function(ssl_data_loc->certificate, internal_cert_callback);  	gnutls_init(&ssl_data_loc->session, GNUTLS_CLIENT);  	gnutls_priority_set_direct(ssl_data_loc->session, "NONE:+VERS-SSL3.0:+ANON-DH:+RSA:+AES-128-CBC:+AES-256-CBC:+SHA1:+MD5:+COMP-NULL", NULL);  	gnutls_credentials_set(ssl_data_loc->session, GNUTLS_CRD_CERTIFICATE, ssl_data_loc->certificate); @@ -767,10 +772,10 @@ idevice_error_t idevice_connection_enable_ssl(idevice_connection_t connection)  	gnutls_x509_privkey_init(&ssl_data_loc->root_privkey);  	gnutls_x509_privkey_init(&ssl_data_loc->host_privkey); -	userpref_error_t uerr = userpref_device_record_get_keys_and_certs(connection->udid, ssl_data_loc->root_privkey, ssl_data_loc->root_cert, ssl_data_loc->host_privkey, ssl_data_loc->host_cert); -	if (uerr != USERPREF_E_SUCCESS) { -		debug_info("Error %d when loading keys and certificates! %d", uerr); -	} +	pair_record_import_key_with_name(pair_record, USERPREF_ROOT_CERTIFICATE_KEY, ssl_data_loc->root_cert); +	pair_record_import_key_with_name(pair_record, USERPREF_HOST_CERTIFICATE_KEY, ssl_data_loc->host_cert); +	pair_record_import_key_with_name(pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY, ssl_data_loc->root_privkey); +	pair_record_import_key_with_name(pair_record, USERPREF_HOST_PRIVATE_KEY_KEY, ssl_data_loc->host_privkey);  	debug_info("GnuTLS step 1...");  	gnutls_transport_set_ptr(ssl_data_loc->session, (gnutls_transport_ptr_t)connection); diff --git a/src/lockdown.c b/src/lockdown.c index e21db30..6ea747f 100644 --- a/src/lockdown.c +++ b/src/lockdown.c @@ -47,6 +47,7 @@  #include "idevice.h"  #include "common/debug.h"  #include "common/userpref.h" +#include "common/utils.h"  #include "asprintf.h"  #ifdef WIN32 @@ -57,17 +58,6 @@  #define RESULT_SUCCESS 0  #define RESULT_FAILURE 1 -#ifndef HAVE_OPENSSL -const ASN1_ARRAY_TYPE pkcs1_asn1_tab[] = { -	{"PKCS1", 536872976, 0}, -	{0, 1073741836, 0}, -	{"RSAPublicKey", 536870917, 0}, -	{"modulus", 1073741827, 0}, -	{"publicExponent", 3, 0}, -	{0, 0, 0} -}; -#endif -  /**   * Internally used function for checking the result from lockdown's answer   * plist to a previously sent request. @@ -618,7 +608,7 @@ lockdownd_error_t lockdownd_get_device_udid(lockdownd_client_t client, char **ud   *   * @return LOCKDOWN_E_SUCCESS on success   */ -lockdownd_error_t lockdownd_get_device_public_key(lockdownd_client_t client, key_data_t * public_key) +static lockdownd_error_t lockdownd_get_device_public_key_as_key_data(lockdownd_client_t client, key_data_t *public_key)  {  	lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR;  	plist_t value = NULL; @@ -758,16 +748,27 @@ lockdownd_error_t lockdownd_client_new_with_handshake(idevice_t device, lockdown  	if (type)  		free(type); -	userpref_device_record_get_host_id(client_loc->udid, &host_id); +	debug_info("reading pair record"); + +	plist_t pair_record = NULL; +	userpref_read_pair_record(client_loc->udid, &pair_record); + +	debug_info("reading HostID"); + +	pair_record_get_host_id(pair_record, &host_id);  	if (LOCKDOWN_E_SUCCESS == ret && !host_id) {  		ret = LOCKDOWN_E_INVALID_CONF;  	} -	if (LOCKDOWN_E_SUCCESS == ret && !userpref_has_device_record(client_loc->udid)) { +	debug_info("HostID: %s", host_id); + +	if (LOCKDOWN_E_SUCCESS == ret && !pair_record) {  		/* attempt pairing */  		ret = lockdownd_pair(client_loc, NULL);  	} +	plist_free(pair_record); +  	/* in any case, we need to validate pairing to receive trusted host status */  	ret = lockdownd_validate_pair(client_loc, NULL); @@ -836,67 +837,69 @@ static plist_t lockdownd_pair_record_to_plist(lockdownd_pair_record_t pair_recor   *   * @return LOCKDOWN_E_SUCCESS on success   */ -static lockdownd_error_t generate_pair_record_plist(lockdownd_client_t client, plist_t *pair_record_plist) +static lockdownd_error_t pair_record_generate(lockdownd_client_t client, plist_t *pair_record)  {  	lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR; +	key_data_t public_key = { NULL, 0 };  	char* host_id = NULL;  	char* system_buid = NULL; -	key_data_t public_key = { NULL, 0 }; -	key_data_t device_cert = { NULL, 0 }; -	key_data_t host_cert = { NULL, 0 }; -	key_data_t root_cert = { NULL, 0 }; - -	/* load certificates if a pairing exists */ -	userpref_error_t uret = userpref_device_record_get_certs_as_pem(client->udid, &root_cert, &host_cert, &device_cert); -	if ((uret == USERPREF_E_SUCCESS) && (root_cert.size > 0) && (host_cert.size > 0) && (device_cert.size > 0)) { -		ret = LOCKDOWN_E_SUCCESS; -	} - -	/* get systembuid and host id */ -	userpref_get_system_buid(&system_buid); -	userpref_device_record_get_host_id(client->udid, &host_id); -  	/* generate new certificates if needed */ +	ret = lockdownd_get_device_public_key_as_key_data(client, &public_key);  	if (ret != LOCKDOWN_E_SUCCESS) { -		ret = lockdownd_get_device_public_key(client, &public_key); -		if (ret != LOCKDOWN_E_SUCCESS) { -			debug_info("device refused to send public key."); -			goto leave; -		} -		debug_info("device public key follows:\n%.*s", public_key.size, public_key.data); +		debug_info("device refused to send public key."); +		goto leave; +	} +	debug_info("device public key follows:\n%.*s", public_key.size, public_key.data); -		userpref_device_record_set_value(client->udid, USERPREF_SYSTEM_BUID_KEY, plist_new_string(system_buid)); +	host_id = generate_uuid(); -		ret = lockdownd_gen_pair_cert_for_udid(client->udid, public_key, &device_cert, &host_cert, &root_cert); +	*pair_record = plist_new_dict(); + +	userpref_error_t uret = USERPREF_E_SUCCESS; +	uret = pair_record_generate_keys_and_certs(pair_record); +	switch(uret) { +		case USERPREF_E_INVALID_ARG: +			ret = LOCKDOWN_E_INVALID_ARG; +			break; +		case USERPREF_E_INVALID_CONF: +			ret = LOCKDOWN_E_INVALID_CONF; +			break; +		case USERPREF_E_SSL_ERROR: +			ret = LOCKDOWN_E_SSL_ERROR; +		default: +			break; +	} + +	uret = pair_record_generate_from_device_public_key(pair_record, public_key); +	switch(uret) { +		case USERPREF_E_INVALID_ARG: +			ret = LOCKDOWN_E_INVALID_ARG; +			break; +		case USERPREF_E_INVALID_CONF: +			ret = LOCKDOWN_E_INVALID_CONF; +			break; +		case USERPREF_E_SSL_ERROR: +			ret = LOCKDOWN_E_SSL_ERROR; +		default: +			break;  	} +	/* get systembuid and host id */ +	userpref_read_system_buid(&system_buid); + +	pair_record_set_host_id(pair_record, host_id); +  	if (ret != LOCKDOWN_E_SUCCESS) {  		goto leave;  	} -	/* setup request plist */ -	*pair_record_plist = plist_new_dict(); -	plist_dict_set_item(*pair_record_plist, "DeviceCertificate", plist_new_data((const char*)device_cert.data, device_cert.size)); -	plist_dict_set_item(*pair_record_plist, "HostCertificate", plist_new_data((const char*)host_cert.data, host_cert.size)); -	plist_dict_set_item(*pair_record_plist, "HostID", plist_new_string(host_id)); -	plist_dict_set_item(*pair_record_plist, "RootCertificate", plist_new_data((const char*)root_cert.data, root_cert.size)); -	plist_dict_set_item(*pair_record_plist, "SystemBUID", plist_new_string(system_buid)); -  leave:  	if (host_id)  		free(host_id);  	if (system_buid)  		free(system_buid); -	if (public_key.data) -		free(public_key.data); -	if (device_cert.data) -		free(device_cert.data); -	if (host_cert.data) -		free(host_cert.data); -	if (root_cert.data) -		free(root_cert.data);  	return ret;  } @@ -923,7 +926,7 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  	lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR;  	plist_t dict = NULL; -	plist_t dict_record = NULL; +	plist_t pair_record_plist = NULL;  	int pairing_mode = 0; /* 0 = libimobiledevice, 1 = external */  	if (pair_record && pair_record->system_buid && pair_record->host_id) { @@ -933,36 +936,39 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  		}  		/* use passed pair_record */ -		dict_record = lockdownd_pair_record_to_plist(pair_record); +		pair_record_plist = lockdownd_pair_record_to_plist(pair_record);  		pairing_mode = 1;  	} else { -		ret = generate_pair_record_plist(client, &dict_record); - -		if (ret != LOCKDOWN_E_SUCCESS) { -			if (dict_record) -				plist_free(dict_record); -			return ret; +		/* generate a new pair record if pairing */ +		if (!strcmp("Pair", verb)) { +			ret = pair_record_generate(client, &pair_record_plist); + +			if (ret != LOCKDOWN_E_SUCCESS) { +				if (pair_record_plist) +					plist_free(pair_record_plist); +				return ret; +			} +		} else { +			/* use existing pair record */ +			if (userpref_has_pair_record(client->udid)) { +				userpref_read_pair_record(client->udid, &pair_record_plist); +			} else { +				return LOCKDOWN_E_PAIRING_FAILED; +			}  		}  	} -	if (!strcmp("Pair", verb)) { -		/* get wifi mac */ -		plist_t wifi_mac_node = NULL; -		lockdownd_get_value(client, NULL, "WiFiAddress", &wifi_mac_node); +	plist_t request_pair_record = plist_copy(pair_record_plist); -		/* save wifi mac address in config */ -		if (wifi_mac_node) { -			userpref_device_record_set_value(client->udid, USERPREF_WIFI_MAC_ADDRESS_KEY, plist_copy(wifi_mac_node)); -			plist_free(wifi_mac_node); -			wifi_mac_node = NULL; -		} -	} +	/* remove stuff that is private */ +	plist_dict_remove_item(request_pair_record, USERPREF_ROOT_PRIVATE_KEY_KEY); +	plist_dict_remove_item(request_pair_record, USERPREF_HOST_PRIVATE_KEY_KEY);  	/* setup pair request plist */  	dict = plist_new_dict();  	plist_dict_add_label(dict, client->label); -	plist_dict_set_item(dict, "PairRecord", plist_copy(dict_record)); +	plist_dict_set_item(dict, "PairRecord", request_pair_record);  	plist_dict_set_item(dict, "Request", plist_new_string(verb));  	plist_dict_set_item(dict, "ProtocolVersion", plist_new_string(LOCKDOWN_PROTOCOL_VERSION)); @@ -976,7 +982,7 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  	dict = NULL;  	if (ret != LOCKDOWN_E_SUCCESS) { -		plist_free(dict_record); +		plist_free(pair_record_plist);  		return ret;  	} @@ -984,7 +990,7 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  	ret = lockdownd_receive(client, &dict);  	if (ret != LOCKDOWN_E_SUCCESS) { -		plist_free(dict_record); +		plist_free(pair_record_plist);  		return ret;  	} @@ -1007,24 +1013,32 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  			debug_info("internal pairing mode");  			if (!strcmp("Unpair", verb)) {  				/* remove public key from config */ -				userpref_remove_device_record(client->udid); +				userpref_delete_pair_record(client->udid);  			} else {  				if (!strcmp("Pair", verb)) { -					debug_info("getting EscrowBag from response"); +					debug_info("Saving EscrowBag from response in pair record");  					/* add returned escrow bag if available */ -					plist_t escrow_bag = plist_dict_get_item(dict, "EscrowBag"); -					if (escrow_bag && plist_get_node_type(escrow_bag) == PLIST_DATA) { -						userpref_device_record_set_value(client->udid, USERPREF_ESCROW_BAG_KEY, plist_copy(escrow_bag)); -						plist_free(escrow_bag); -						escrow_bag = NULL; +					plist_t extra_node = plist_dict_get_item(dict, USERPREF_ESCROW_BAG_KEY); +					if (extra_node && plist_get_node_type(extra_node) == PLIST_DATA) { +						plist_dict_set_item(pair_record_plist, USERPREF_ESCROW_BAG_KEY, plist_copy(extra_node)); +						plist_free(extra_node); +						extra_node = NULL;  					} -					/* store DeviceCertificate upon successful pairing */ -					plist_t devcrt = plist_dict_get_item(dict_record, USERPREF_DEVICE_CERTIFICATE_KEY); -					if (devcrt && plist_get_node_type(devcrt) == PLIST_DATA) { -						userpref_device_record_set_value(client->udid, USERPREF_DEVICE_CERTIFICATE_KEY, plist_copy(devcrt)); +					debug_info("Saving WiFiAddress from device in pair record"); + +					/* get wifi mac */ +					lockdownd_get_value(client, NULL, "WiFiAddress", &extra_node); + +					/* save wifi mac address in config */ +					if (extra_node) { +						plist_dict_set_item(pair_record_plist, USERPREF_WIFI_MAC_ADDRESS_KEY, plist_copy(extra_node)); +						plist_free(extra_node); +						extra_node = NULL;  					} + +					userpref_save_pair_record(client->udid, pair_record_plist);  				}  			}  		} else { @@ -1057,9 +1071,9 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_  		}  	} -	if (dict_record) { -		plist_free(dict_record); -		dict_record = NULL; +	if (pair_record_plist) { +		plist_free(pair_record_plist); +		pair_record_plist = NULL;  	}  	plist_free(dict); @@ -1206,332 +1220,6 @@ lockdownd_error_t lockdownd_goodbye(lockdownd_client_t client)  }  /** - * Generates the device certificate from the public key as well as the host - * and root certificates. - * - * @param public_key The public key of the device to use for generation. - * @param odevice_cert Holds the generated device certificate. - * @param ohost_cert Holds the generated host certificate. - * @param oroot_cert Holds the generated root certificate. - * - * @return LOCKDOWN_E_SUCCESS on success, LOCKDOWN_E_INVALID_ARG when a - *  parameter is NULL, LOCKDOWN_E_INVALID_CONF if the internal configuration - *  system failed, LOCKDOWN_E_SSL_ERROR if the certificates could not be - *  generated - */ -lockdownd_error_t lockdownd_gen_pair_cert_for_udid(const char *udid, key_data_t public_key, key_data_t * odevice_cert, -									   key_data_t * ohost_cert, key_data_t * oroot_cert) -{ -	if (!public_key.data || !odevice_cert || !ohost_cert || !oroot_cert) -		return LOCKDOWN_E_INVALID_ARG; - -	lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR; -	userpref_error_t uret = USERPREF_E_UNKNOWN_ERROR; - -#ifdef HAVE_OPENSSL -	BIO *membio = BIO_new_mem_buf(public_key.data, public_key.size); -	RSA *pubkey = NULL; -	if (!PEM_read_bio_RSAPublicKey(membio, &pubkey, NULL, NULL)) { -		debug_info("Could not read public key"); -	} -	BIO_free(membio); - -	/* now generate certificates */ -	key_data_t root_privkey, host_privkey; -	key_data_t root_cert, host_cert; -	X509* dev_cert; - -	root_cert.data = NULL; -	root_cert.size = 0; -	host_cert.data = NULL; -	host_cert.size = 0; - -	dev_cert = X509_new(); - -	root_privkey.data = NULL; -	root_privkey.size = 0; -	host_privkey.data = NULL; -	host_privkey.size = 0; - -	uret = userpref_device_record_get_keys_and_certs(udid, &root_privkey, &root_cert, &host_privkey, &host_cert); -	if (USERPREF_E_SUCCESS == uret) { -		/* generate device certificate */ -		ASN1_INTEGER* sn = ASN1_INTEGER_new(); -		ASN1_INTEGER_set(sn, 0); -		X509_set_serialNumber(dev_cert, sn); -		ASN1_INTEGER_free(sn); -		X509_set_version(dev_cert, 2); - -		X509_EXTENSION* ext; -		if (!(ext = X509V3_EXT_conf_nid(NULL, NULL, NID_basic_constraints, (char*)"critical,CA:FALSE"))) { -			debug_info("ERROR: X509V3_EXT_conf_nid failedĀ for Basic Constraints"); -		} -		X509_add_ext(dev_cert, ext, -1); -		X509_EXTENSION_free(ext); - -		ASN1_TIME* asn1time = ASN1_TIME_new(); -		ASN1_TIME_set(asn1time, time(NULL)); -		X509_set_notBefore(dev_cert, asn1time); -		ASN1_TIME_set(asn1time, time(NULL) + (60 * 60 * 24 * 365 * 10)); -		X509_set_notAfter(dev_cert, asn1time); -		ASN1_TIME_free(asn1time); - -		BIO* membp; - -		X509* rootCert = NULL; -		membp = BIO_new_mem_buf(root_cert.data, root_cert.size); -		PEM_read_bio_X509(membp, &rootCert, NULL, NULL); -		BIO_free(membp); -		if (!rootCert) { -			debug_info("Could not read RootCertificate"); -		} else { -			debug_info("RootCertificate loaded"); -			EVP_PKEY* pkey = EVP_PKEY_new(); -			EVP_PKEY_assign_RSA(pkey, pubkey); -			X509_set_pubkey(dev_cert, pkey); -			EVP_PKEY_free(pkey); -			X509_free(rootCert); -		} - -		X509V3_CTX ctx; -		X509V3_set_ctx_nodb(&ctx); -		X509V3_set_ctx(&ctx, NULL, dev_cert, NULL, NULL, 0); - -		if (!(ext = X509V3_EXT_conf_nid(NULL, &ctx, NID_subject_key_identifier, (char*)"hash"))) { -			debug_info("ERROR: X509V3_EXT_conf_nid failed for Subject Key identifier"); -		} -		X509_add_ext(dev_cert, ext, -1); -		X509_EXTENSION_free(ext); - -		if (!(ext = X509V3_EXT_conf_nid(NULL, NULL, NID_key_usage, (char*)"critical,digitalSignature,keyEncipherment"))) { -			debug_info("ERROR: X509V3_EXT_conf_nid failed for Key Usage"); -		} -		X509_add_ext(dev_cert, ext, -1); -		X509_EXTENSION_free(ext); - -		EVP_PKEY* rootPriv = NULL; -		membp = BIO_new_mem_buf(root_privkey.data, root_privkey.size); -		PEM_read_bio_PrivateKey(membp, &rootPriv, NULL, NULL); -		BIO_free(membp); -		if (!rootPriv) { -			debug_info("Could not read RootPrivateKey"); -		} else { -			debug_info("RootPrivateKey loaded"); -			if (X509_sign(dev_cert, rootPriv, EVP_sha1())) { -				ret = LOCKDOWN_E_SUCCESS; -			} else { -				debug_info("signing failed"); -			} -			EVP_PKEY_free(rootPriv); -		} - -		if (LOCKDOWN_E_SUCCESS == ret) { -			/* if everything went well, export in PEM format */ -			key_data_t pem_root_cert = { NULL, 0 }; -			key_data_t pem_host_cert = { NULL, 0 }; - -			uret = userpref_device_record_get_certs_as_pem(udid, &pem_root_cert, &pem_host_cert, NULL); -			if (USERPREF_E_SUCCESS == uret) { -				/* copy buffer for output */ -				membp = BIO_new(BIO_s_mem()); -				if (membp && PEM_write_bio_X509(membp, dev_cert) > 0) { -					void *datap; -					odevice_cert->size = BIO_get_mem_data(membp, &datap); -					odevice_cert->data = malloc(odevice_cert->size); -					memcpy(odevice_cert->data, datap, odevice_cert->size); -				} -				if (membp) -					BIO_free(membp); - -				ohost_cert->data = malloc(pem_host_cert.size); -				memcpy(ohost_cert->data, pem_host_cert.data, pem_host_cert.size); -				ohost_cert->size = pem_host_cert.size; - -				oroot_cert->data = malloc(pem_root_cert.size); -				memcpy(oroot_cert->data, pem_root_cert.data, pem_root_cert.size); -				oroot_cert->size = pem_root_cert.size; - -				free(pem_root_cert.data); -				free(pem_host_cert.data); -			} -		} -	} -	X509V3_EXT_cleanup(); -	X509_free(dev_cert); - -	switch(uret) { -	case USERPREF_E_INVALID_ARG: -		ret = LOCKDOWN_E_INVALID_ARG; -		break; -	case USERPREF_E_INVALID_CONF: -		ret = LOCKDOWN_E_INVALID_CONF; -		break; -	case USERPREF_E_SSL_ERROR: -		ret = LOCKDOWN_E_SSL_ERROR; -	default: -		break; -	} - -	if (root_cert.data) -		free(root_cert.data); -	if (host_cert.data) -		free(host_cert.data); -	if (root_privkey.data) -		free(root_privkey.data); -	if (host_privkey.data) -		free(host_privkey.data); -#else -	gnutls_datum_t modulus = { NULL, 0 }; -	gnutls_datum_t exponent = { NULL, 0 }; - -	/* now decode the PEM encoded key */ -	gnutls_datum_t der_pub_key; -	if (GNUTLS_E_SUCCESS == gnutls_pem_base64_decode_alloc("RSA PUBLIC KEY", &public_key, &der_pub_key)) { - -		/* initalize asn.1 parser */ -		ASN1_TYPE pkcs1 = ASN1_TYPE_EMPTY; -		if (ASN1_SUCCESS == asn1_array2tree(pkcs1_asn1_tab, &pkcs1, NULL)) { - -			ASN1_TYPE asn1_pub_key = ASN1_TYPE_EMPTY; -			asn1_create_element(pkcs1, "PKCS1.RSAPublicKey", &asn1_pub_key); - -			if (ASN1_SUCCESS == asn1_der_decoding(&asn1_pub_key, der_pub_key.data, der_pub_key.size, NULL)) { - -				/* get size to read */ -				int ret1 = asn1_read_value(asn1_pub_key, "modulus", NULL, (int*)&modulus.size); -				int ret2 = asn1_read_value(asn1_pub_key, "publicExponent", NULL, (int*)&exponent.size); - -				modulus.data = gnutls_malloc(modulus.size); -				exponent.data = gnutls_malloc(exponent.size); - -				ret1 = asn1_read_value(asn1_pub_key, "modulus", modulus.data, (int*)&modulus.size); -				ret2 = asn1_read_value(asn1_pub_key, "publicExponent", exponent.data, (int*)&exponent.size); -				if (ASN1_SUCCESS == ret1 && ASN1_SUCCESS == ret2) -					ret = LOCKDOWN_E_SUCCESS; -			} -			if (asn1_pub_key) -				asn1_delete_structure(&asn1_pub_key); -		} -		if (pkcs1) -			asn1_delete_structure(&pkcs1); -	} - -	/* now generate certificates */ -	if (LOCKDOWN_E_SUCCESS == ret && 0 != modulus.size && 0 != exponent.size) { - -		gnutls_global_init(); -		gnutls_datum_t essentially_null = { (unsigned char*)strdup("abababababababab"), strlen("abababababababab") }; - -		gnutls_x509_privkey_t fake_privkey, root_privkey, host_privkey; -		gnutls_x509_crt_t dev_cert, root_cert, host_cert; - -		gnutls_x509_privkey_init(&fake_privkey); -		gnutls_x509_privkey_init(&root_privkey); -		gnutls_x509_privkey_init(&host_privkey); - -		gnutls_x509_crt_init(&dev_cert); -		gnutls_x509_crt_init(&root_cert); -		gnutls_x509_crt_init(&host_cert); - -		if (GNUTLS_E_SUCCESS == -			gnutls_x509_privkey_import_rsa_raw(fake_privkey, &modulus, &exponent, &essentially_null, &essentially_null, -											   &essentially_null, &essentially_null)) { - -			uret = userpref_device_record_get_keys_and_certs(udid, root_privkey, root_cert, host_privkey, host_cert); - -			if (USERPREF_E_SUCCESS == uret) { -				/* generate device certificate */ -				gnutls_x509_crt_set_key(dev_cert, fake_privkey); -				gnutls_x509_crt_set_serial(dev_cert, "\x00", 1); -				gnutls_x509_crt_set_version(dev_cert, 3); -				gnutls_x509_crt_set_ca_status(dev_cert, 0); -				gnutls_x509_crt_set_activation_time(dev_cert, time(NULL)); -				gnutls_x509_crt_set_expiration_time(dev_cert, time(NULL) + (60 * 60 * 24 * 365 * 10)); - -				/* use custom hash generation for compatibility with the "Apple ecosystem" */ -				const gnutls_digest_algorithm_t dig_sha1 = GNUTLS_DIG_SHA1; -				size_t hash_size = gnutls_hash_get_len(dig_sha1); -				unsigned char hash[hash_size]; -				if (gnutls_hash_fast(dig_sha1, der_pub_key.data, der_pub_key.size, (unsigned char*)&hash) < 0) { -					debug_info("ERROR: Failed to generate SHA1 for public key"); -				} else { -					gnutls_x509_crt_set_subject_key_id(dev_cert, hash, hash_size); -				} - -				gnutls_x509_crt_set_key_usage(dev_cert, GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_KEY_ENCIPHERMENT); -				gnutls_x509_crt_sign(dev_cert, root_cert, root_privkey); - -				if (LOCKDOWN_E_SUCCESS == ret) { -					/* if everything went well, export in PEM format */ -					size_t export_size = 0; -					gnutls_datum_t dev_pem = { NULL, 0 }; -					gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, NULL, &export_size); -					dev_pem.data = gnutls_malloc(export_size); -					gnutls_x509_crt_export(dev_cert, GNUTLS_X509_FMT_PEM, dev_pem.data, &export_size); -					dev_pem.size = export_size; - -					gnutls_datum_t pem_root_cert = { NULL, 0 }; -					gnutls_datum_t pem_host_cert = { NULL, 0 }; - -					uret = userpref_device_record_get_certs_as_pem(udid, &pem_root_cert, &pem_host_cert, NULL); - -					if (USERPREF_E_SUCCESS == uret) { -						/* copy buffer for output */ -						odevice_cert->data = malloc(dev_pem.size); -						memcpy(odevice_cert->data, dev_pem.data, dev_pem.size); -						odevice_cert->size = dev_pem.size; - -						ohost_cert->data = malloc(pem_host_cert.size); -						memcpy(ohost_cert->data, pem_host_cert.data, pem_host_cert.size); -						ohost_cert->size = pem_host_cert.size; - -						oroot_cert->data = malloc(pem_root_cert.size); -						memcpy(oroot_cert->data, pem_root_cert.data, pem_root_cert.size); -						oroot_cert->size = pem_root_cert.size; - -						gnutls_free(pem_root_cert.data); -						gnutls_free(pem_host_cert.data); - -						if (dev_pem.data) -							gnutls_free(dev_pem.data); -					} -				} -			} - -			switch(uret) { -			case USERPREF_E_INVALID_ARG: -				ret = LOCKDOWN_E_INVALID_ARG; -				break; -			case USERPREF_E_INVALID_CONF: -				ret = LOCKDOWN_E_INVALID_CONF; -				break; -			case USERPREF_E_SSL_ERROR: -				ret = LOCKDOWN_E_SSL_ERROR; -			default: -				break; -			} -		} - -		if (essentially_null.data) -			free(essentially_null.data); -		gnutls_x509_crt_deinit(dev_cert); -		gnutls_x509_crt_deinit(root_cert); -		gnutls_x509_crt_deinit(host_cert); -		gnutls_x509_privkey_deinit(fake_privkey); -		gnutls_x509_privkey_deinit(root_privkey); -		gnutls_x509_privkey_deinit(host_privkey); - -	} - -	gnutls_free(modulus.data); -	gnutls_free(exponent.data); - -	gnutls_free(der_pub_key.data); -#endif -	return ret; -} - -/**   * Opens a session with lockdownd and switches to SSL mode if device wants it.   *   * @param client The lockdownd client @@ -1569,7 +1257,7 @@ lockdownd_error_t lockdownd_start_session(lockdownd_client_t client, const char  	/* add system buid */  	char *system_buid = NULL; -	userpref_get_system_buid(&system_buid); +	userpref_read_system_buid(&system_buid);  	if (system_buid) {  		plist_dict_set_item(dict, "SystemBUID", plist_new_string(system_buid));  		if (system_buid) { @@ -1671,8 +1359,14 @@ lockdownd_error_t lockdownd_start_service(lockdownd_client_t client, const char  		(*service)->ssl_enabled = 0;  	} +	plist_t pair_record = NULL; +	userpref_read_pair_record(client->udid, &pair_record); +  	char *host_id = NULL; -	userpref_device_record_get_host_id(client->udid, &host_id); +	pair_record_get_host_id(pair_record, &host_id); + +	plist_free(pair_record); +  	if (!host_id)  		return LOCKDOWN_E_INVALID_CONF; diff --git a/src/lockdown.h b/src/lockdown.h index 9c2be44..a09e89b 100644 --- a/src/lockdown.h +++ b/src/lockdown.h @@ -22,8 +22,6 @@  #ifndef __LOCKDOWND_H  #define __LOCKDOWND_H -#include "common/userpref.h" -  #include "libimobiledevice/lockdown.h"  #include "property_list_service.h" @@ -37,7 +35,4 @@ struct lockdownd_client_private {  	char *label;  }; -lockdownd_error_t lockdownd_get_device_public_key(lockdownd_client_t client, key_data_t * public_key); -lockdownd_error_t lockdownd_gen_pair_cert_for_udid(const char *udid, key_data_t public_key, key_data_t * device_cert, key_data_t * host_cert, key_data_t * root_cert); -  #endif  | 
