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iwd/src/wscutil.h
Andrew Zaborowski 79dd14cb24 wscutil: Add wsc_build_p2p_attrs 
Add a utility for building the simplified WSC IEs used in P2P action
frames and public action frames.  Only three types of WSC attributes are
mandatory in those frames (but different subsets are needed by different
frame types) so add a single utility for building those IEs.  We may
need to add some more optional attributes to those IEs later.
2019-07-08 13:46:53 -05:00

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/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2015 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
struct iovec;
/* Wi-Fi Simple Configuration Technical Specification v2.0.5, Section 12 */
enum wsc_attr {
WSC_ATTR_8021X_ENABLED = 0x1062,
WSC_ATTR_AP_CHANNEL = 0x1001,
WSC_ATTR_AP_SETUP_LOCKED = 0x1057,
WSC_ATTR_APPLICATION_EXTENTION = 0x1058,
WSC_ATTR_APP_SESSION_KEY = 0x1063,
WSC_ATTR_ASSOCIATION_STATE = 0x1002,
WSC_ATTR_AUTHENTICATION_TYPE = 0x1003,
WSC_ATTR_AUTHENTICATION_TYPE_FLAGS = 0x1004,
WSC_ATTR_AUTHENTICATOR = 0x1005,
WSC_ATTR_CONFIGURATION_ERROR = 0x1009,
WSC_ATTR_CONFIGURATION_METHODS = 0x1008,
WSC_ATTR_CONFIRMATION_URL4 = 0x100A,
WSC_ATTR_CONFIRMATION_URL6 = 0x100B,
WSC_ATTR_CONNECTION_TYPE = 0x100C,
WSC_ATTR_CONNECTION_TYPE_FLAGS = 0x100D,
WSC_ATTR_CREDENTIAL = 0x100E,
WSC_ATTR_DEVICE_NAME = 0x1011,
WSC_ATTR_DEVICE_PASSWORD_ID = 0x1012,
WSC_ATTR_EAP_IDENTITY = 0x104D,
WSC_ATTR_EAP_TYPE = 0x1059,
WSC_ATTR_E_HASH1 = 0x1014,
WSC_ATTR_E_HASH2 = 0x1015,
WSC_ATTR_ENCRYPTED_SETTINGS = 0x1018,
WSC_ATTR_ENCRYPTION_TYPE = 0x100F,
WSC_ATTR_ENCRYPTION_TYPE_FLAGS = 0x1010,
WSC_ATTR_ENROLLEE_NONCE = 0x101A,
WSC_ATTR_E_SNONCE1 = 0x1016,
WSC_ATTR_E_SNONCE2 = 0x1017,
WSC_ATTR_FEATURE_ID = 0x101B,
WSC_ATTR_IDENTITY = 0x101C,
WSC_ATTR_IDENTITY_PROOF = 0x101D,
WSC_ATTR_INITIALIZATION_VECTOR = 0x1060,
WSC_ATTR_KEY_IDENTIFIER = 0x101F,
WSC_ATTR_KEY_LIFETIME = 0x1051,
WSC_ATTR_KEY_PROVIDED_AUTOMATICALLY = 0x1061,
WSC_ATTR_KEY_WRAP_AUTHENTICATOR = 0x101E,
WSC_ATTR_MAC_ADDRESS = 0x1020,
WSC_ATTR_MANUFACTURER = 0x1021,
WSC_ATTR_MESSAGE_COUNTER = 0x104E,
WSC_ATTR_MESSAGE_TYPE = 0x1022,
WSC_ATTR_MODEL_NAME = 0x1023,
WSC_ATTR_MODEL_NUMBER = 0x1024,
WSC_ATTR_NETWORK_INDEX = 0x1026,
WSC_ATTR_NETWORK_KEY = 0x1027,
WSC_ATTR_NETWORK_KEY_INDEX = 0x1028,
WSC_ATTR_NEW_DEVICE_NAME = 0x1029,
WSC_ATTR_NEW_PASSWORD = 0x102A,
WSC_ATTR_OOB_DEVICE_PASSWORD = 0x102C,
WSC_ATTR_OS_VERSION = 0x102D,
WSC_ATTR_PERMITTED_CONFIGURATION_METHODS = 0x1052,
WSC_ATTR_PORTABLE_DEVICE = 0x1056,
WSC_ATTR_POWER_LEVEL = 0x102F,
WSC_ATTR_PRIMARY_DEVICE_TYPE = 0x1054,
WSC_ATTR_PSK_CURRENT = 0x1030,
WSC_ATTR_PSK_MAX = 0x1031,
WSC_ATTR_PUBLIC_KEY = 0x1032,
WSC_ATTR_PUBLIC_KEY_HASH = 0x104F,
WSC_ATTR_RADIO_ENABLED = 0x1033,
WSC_ATTR_REBOOT = 0x1034,
WSC_ATTR_REGISTRAR_CURRENT = 0x1035,
WSC_ATTR_REGISTRAR_ESTABLISHED = 0x1036,
WSC_ATTR_REGISTRAR_LIST = 0x1037,
WSC_ATTR_REGISTRAR_MAX = 0x1038,
WSC_ATTR_REGISTRAR_NONCE = 0x1039,
WSC_ATTR_REKEY_KEY = 0x1050,
WSC_ATTR_REQUEST_TYPE = 0x103A,
WSC_ATTR_REQUESTED_DEVICE_TYPE = 0x106A,
WSC_ATTR_RESPONSE_TYPE = 0x103B,
WSC_ATTR_RF_BANDS = 0x103C,
WSC_ATTR_R_HASH1 = 0x103D,
WSC_ATTR_R_HASH2 = 0x103E,
WSC_ATTR_R_SNONCE1 = 0x103F,
WSC_ATTR_R_SNONCE2 = 0x1040,
WSC_ATTR_SECONDARY_DEVICE_TYPE_LIST = 0x1055,
WSC_ATTR_SELECTED_REGISTRAR = 0x1041,
WSC_ATTR_SELECTED_REGISTRAR_CONFIGURATION_METHODS = 0x1053,
WSC_ATTR_SERIAL_NUMBER = 0x1042,
WSC_ATTR_SSID = 0x1045,
WSC_ATTR_TOTAL_NETWORKS = 0x1046,
WSC_ATTR_UUID_E = 0x1047,
WSC_ATTR_UUID_R = 0x1048,
WSC_ATTR_VENDOR_EXTENSION = 0x1049,
WSC_ATTR_VERSION = 0x104A,
WSC_ATTR_WEP_TRANSMIT_KEY = 0x1064,
WSC_ATTR_WSC_STATE = 0x1044,
WSC_ATTR_X509_CERTIFICATE_REQUEST = 0x104B,
WSC_ATTR_X509_CERTIFICATE = 0x104C,
WSC_ATTR_INVALID = 0x0000,
};
/* Table 29 */
enum wsc_wfa_extension {
WSC_WFA_EXTENSION_VERSION2 = 0x00,
WSC_WFA_EXTENSION_AUTHORIZED_MACS = 0x01,
WSC_WFA_EXTENSION_NETWORK_KEY_SHAREABLE = 0x02,
WSC_WFA_EXTENSION_REQUEST_TO_ENROLL = 0x03,
WSC_WFA_EXTENSION_SETTINGS_DELAY_TIME = 0x04,
WSC_WFA_EXTENSION_REGISTRAR_CONFIGRATION_METHODS = 0x05,
};
/* Table 31 */
enum wsc_association_state {
WSC_ASSOCIATION_STATE_NOT_ASSOCIATED = 0,
WSC_ASSOCIATION_STATE_CONNECTION_SUCCESS = 1,
WSC_ASSOCIATION_STATE_CONFIGURATION_FAILURE = 2,
WSC_ASSOCIATION_STATE_ASSOCIATION_FAILURE = 3,
WSC_ASSOCIATION_STATE_IP_FAILURE = 4,
};
/* Table 32 */
enum wsc_authentication_type {
WSC_AUTHENTICATION_TYPE_OPEN = 0x0001,
WSC_AUTHENTICATION_TYPE_WPA_PERSONAL = 0x0002,
WSC_AUTHENTICATION_TYPE_SHARED = 0x0004,
WSC_AUTHENTICATION_TYPE_WPA_ENTERPRISE = 0x0008,
WSC_AUTHENTICATION_TYPE_WPA2_ENTERPRISE = 0x0010,
WSC_AUTHENTICATION_TYPE_WPA2_PERSONAL = 0x0020,
};
/* Table 33 */
enum wsc_configration_method {
WSC_CONFIGURATION_METHOD_USBA = 0x0001,
WSC_CONFIGURATION_METHOD_ETHERNET = 0x0002,
WSC_CONFIGURATION_METHOD_LABEL = 0x0004,
WSC_CONFIGURATION_METHOD_DISPLAY = 0x0008,
WSC_CONFIGURATION_METHOD_EXTERNAL_NFC_TOKEN = 0x0010,
WSC_CONFIGURATION_METHOD_INTEGRATED_NFC_TOKEN = 0x0020,
WSC_CONFIGURATION_METHOD_NFC_INTERFACE = 0x0040,
WSC_CONFIGURATION_METHOD_PUSH_BUTTON = 0x0080,
WSC_CONFIGURATION_METHOD_KEYPAD = 0x0100,
WSC_CONFIGURATION_METHOD_VIRTUAL_PUSH_BUTTON = 0x0280,
WSC_CONFIGURATION_METHOD_PHYSICAL_PUSH_BUTTON = 0x0480,
WSC_CONFIGURATION_METHOD_P2P = 0x1000,
WSC_CONFIGURATION_METHOD_VIRTUAL_DISPLAY_PIN = 0x2008,
WSC_CONFIGURATION_METHOD_PHYSICAL_DISPLAY_PIN = 0x4008,
};
/* Table 34 */
enum wsc_configuration_error {
WSC_CONFIGURATION_ERROR_NO_ERROR = 0,
WSC_CONFIGURATION_ERROR_OOB_INTERFACE_READ_ERROR = 1,
WSC_CONFIGURATION_ERROR_DECRYPTION_CRC_FAILURE = 2,
WSC_CONFIGURATION_ERROR_2_4_CHANNEL_NOT_SUPPORTED = 3,
WSC_CONFIGURATION_ERROR_5_0_CHANNEL_NOT_SUPPORTED = 4,
WSC_CONFIGURATION_ERROR_SIGNAL_TOO_WEAK = 5,
WSC_CONFIGURATION_ERROR_NETWORK_AUTH_FAILURE = 6,
WSC_CONFIGURATION_ERROR_NETWORK_ASSOCIATION_FAILURE = 7,
WSC_CONFIGURATION_ERROR_NO_DHCP_RESPONSE = 8,
WSC_CONFIGURATION_ERROR_FAILED_DHCP_CONFIG = 9,
WSC_CONFIGURATION_ERROR_IP_ADDRESS_CONFILICT = 10,
WSC_CONFIGURATION_ERROR_COULD_NOT_CONNECT_TO_REGISTRAR = 11,
WSC_CONFIGURATION_ERROR_MULTIPLE_PBC_SESSIONS_DETECTED = 12,
WSC_CONFIGURATION_ERROR_ROGUE_ACTIVITY_SUSPECTED = 13,
WSC_CONFIGURATION_ERROR_DEVICE_BUSY = 14,
WSC_CONFIGURATION_ERROR_SETUP_LOCKED = 15,
WSC_CONFIGURATION_ERROR_MESSAGE_TIMEOUT = 16,
WSC_CONFIGURATION_ERROR_REGISTRATION_SESSION_TIMEOUT = 17,
WSC_CONFIGURATION_ERROR_DEVICE_PASSWORD_AUTH_FAILURE = 18,
WSC_CONFIGURATION_ERROR_60_GHZ_CHANNEL_NOT_SUPPORTED = 19,
WSC_CONFIGURATION_ERROR_PUBLIC_KEY_HASH_MISMATCH = 20,
};
/* Table 35 */
enum wsc_connection_type {
WSC_CONNECTION_TYPE_ESS = 0x1,
WSC_CONNECTION_TYPE_IBSS = 0x2,
};
/* Table 37 */
enum wsc_device_password_id {
WSC_DEVICE_PASSWORD_ID_DEFAULT = 0x0000,
WSC_DEVICE_PASSWORD_ID_USER_SPECIFIED = 0x0001,
WSC_DEVICE_PASSWORD_ID_MACHINE_SPECIFIED = 0x0002,
WSC_DEVICE_PASSWORD_ID_REKEY = 0x0003,
WSC_DEVICE_PASSWORD_ID_PUSH_BUTTON = 0x0004,
WSC_DEVICE_PASSWORD_ID_REGISTRAR_SPECIFIED = 0x0005,
WSC_DEVICE_PASSWORD_ID_NFC_CONNECTION_HANDOVER = 0x0007,
};
/* Table 38 */
enum wsc_encryption_type {
WSC_ENCRYPTION_TYPE_NONE = 0x0001,
WSC_ENCRYPTION_TYPE_WEP = 0x0002,
WSC_ENCRYPTION_TYPE_TKIP = 0x0004,
WSC_ENCRYPTION_TYPE_AES = 0x0008,
WSC_ENCRYPTION_TYPE_AES_TKIP = 0x000C,
};
/* Table 39 */
enum wsc_message_type {
WSC_MESSAGE_TYPE_BEACON = 0x01,
WSC_MESSAGE_TYPE_PROBE_REQUEST = 0x02,
WSC_MESSAGE_TYPE_PROBE_RESPONSE = 0x03,
WSC_MESSAGE_TYPE_M1 = 0x04,
WSC_MESSAGE_TYPE_M2 = 0x05,
WSC_MESSAGE_TYPE_M2D = 0x06,
WSC_MESSAGE_TYPE_M3 = 0x07,
WSC_MESSAGE_TYPE_M4 = 0x08,
WSC_MESSAGE_TYPE_M5 = 0x09,
WSC_MESSAGE_TYPE_M6 = 0x0A,
WSC_MESSAGE_TYPE_M7 = 0x0B,
WSC_MESSAGE_TYPE_M8 = 0x0C,
WSC_MESSAGE_TYPE_WSC_ACK = 0x0D,
WSC_MESSAGE_TYPE_WSC_NACK = 0x0E,
WSC_MESSAGE_TYPE_WSC_DONE = 0x0F,
};
/* Table 42 */
enum wsc_request_type {
WSC_REQUEST_TYPE_ENROLLEE_INFO = 0x00,
WSC_REQUEST_TYPE_ENROLLEE_OPEN_8021X = 0x01,
WSC_REQUEST_TYPE_REGISTRAR = 0x02,
WSC_REQUEST_TYPE_WLAN_MANAGER_REGISTRAR = 0x03,
};
/* Table 43 */
enum wsc_response_type {
WSC_RESPONSE_TYPE_ENROLLEE_INFO = 0x00,
WSC_RESPONSE_TYPE_ENROLLEE_OPEN_8021X = 0x01,
WSC_RESPONSE_TYPE_REGISTRAR = 0x02,
WSC_RESPONSE_TYPE_AP = 0x03,
};
/* Table 44 */
enum wsc_rf_band {
WSC_RF_BAND_2_4_GHZ = 0x01,
WSC_RF_BAND_5_0_GHZ = 0x02,
WSC_RF_BAND_60_GHZ = 0x04,
};
/* Table 45 */
enum wsc_state {
WSC_STATE_NOT_CONFIGURED = 0x01,
WSC_STATE_CONFIGURED = 0x02,
};
extern const unsigned char wsc_wfa_oui[3];
struct wsc_wfa_ext_iter {
unsigned short max;
unsigned short pos;
const unsigned char *pdu;
unsigned char type;
unsigned char len;
const unsigned char *data;
};
void wsc_wfa_ext_iter_init(struct wsc_wfa_ext_iter *iter,
const unsigned char *pdu, unsigned short len);
bool wsc_wfa_ext_iter_next(struct wsc_wfa_ext_iter *iter);
static inline unsigned char wsc_wfa_ext_iter_get_type(
struct wsc_wfa_ext_iter *iter)
{
return iter->type;
}
static inline unsigned char wsc_wfa_ext_iter_get_length(
struct wsc_wfa_ext_iter *iter)
{
return iter->len;
}
static inline const unsigned char *wsc_wfa_ext_iter_get_data(
struct wsc_wfa_ext_iter *iter)
{
return iter->data;
}
struct wsc_attr_iter {
unsigned int max;
unsigned int pos;
const unsigned char *pdu;
unsigned short type;
unsigned short len;
const unsigned char *data;
};
void wsc_attr_iter_init(struct wsc_attr_iter *iter, const unsigned char *pdu,
unsigned int len);
bool wsc_attr_iter_next(struct wsc_attr_iter *iter);
bool wsc_attr_iter_recurse_wfa_ext(struct wsc_attr_iter *iter,
struct wsc_wfa_ext_iter *wfa_iter);
static inline unsigned int wsc_attr_iter_get_type(struct wsc_attr_iter *iter)
{
return iter->type;
}
static inline unsigned int wsc_attr_iter_get_length(struct wsc_attr_iter *iter)
{
return iter->len;
}
static inline const unsigned char *wsc_attr_iter_get_data(
struct wsc_attr_iter *iter)
{
return iter->data;
}
static inline unsigned int wsc_attr_iter_get_pos(struct wsc_attr_iter *iter)
{
return iter->pos;
}
struct wsc_credential {
uint8_t ssid[32];
uint8_t ssid_len;
uint16_t auth_type;
uint16_t encryption_type;
uint8_t network_key[65]; /* max 64 + space for null terminator */
uint8_t network_key_len;
uint8_t addr[6];
};
struct wsc_primary_device_type {
uint16_t category;
uint8_t oui[3];
uint8_t oui_type;
uint16_t subcategory;
};
struct wsc_beacon {
bool version2;
enum wsc_state state;
bool ap_setup_locked;
bool selected_registrar;
enum wsc_device_password_id device_password_id;
uint16_t selected_reg_config_methods;
uint8_t uuid_e[16];
uint8_t rf_bands;
uint8_t authorized_macs[30];
uint16_t reg_config_methods;
};
struct wsc_probe_response {
bool version2;
enum wsc_state state;
bool ap_setup_locked;
bool selected_registrar;
enum wsc_device_password_id device_password_id;
uint16_t selected_reg_config_methods;
enum wsc_response_type response_type;
uint8_t uuid_e[16];
char manufacturer[65];
char model_name[33];
char model_number[33];
char serial_number[33];
struct wsc_primary_device_type primary_device_type;
char device_name[33];
uint16_t config_methods;
uint8_t rf_bands;
uint8_t authorized_macs[30];
uint16_t reg_config_methods;
};
struct wsc_probe_request {
bool version2;
enum wsc_request_type request_type;
uint16_t config_methods;
uint8_t uuid_e[16];
struct wsc_primary_device_type primary_device_type;
uint8_t rf_bands;
enum wsc_association_state association_state;
enum wsc_configuration_error configuration_error;
enum wsc_device_password_id device_password_id;
char manufacturer[65];
char model_name[33];
char model_number[33];
char serial_number[33];
char device_name[33];
bool request_to_enroll;
struct wsc_primary_device_type requested_device_type;
};
struct wsc_association_request {
bool version2;
enum wsc_request_type request_type;
};
struct wsc_association_response {
bool version2;
enum wsc_response_type response_type;
};
struct wsc_m1 {
bool version2;
uint8_t uuid_e[16];
uint8_t addr[6];
uint8_t enrollee_nonce[16];
uint8_t public_key[192];
uint16_t auth_type_flags;
uint16_t encryption_type_flags;
uint8_t connection_type_flags;
uint16_t config_methods;
enum wsc_state state;
char manufacturer[65];
char model_name[33];
char model_number[33];
char serial_number[33];
struct wsc_primary_device_type primary_device_type;
char device_name[33];
uint8_t rf_bands;
enum wsc_association_state association_state;
enum wsc_device_password_id device_password_id;
enum wsc_configuration_error configuration_error;
uint32_t os_version;
bool request_to_enroll;
};
struct wsc_m2 {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t registrar_nonce[16];
uint8_t uuid_r[16];
uint8_t public_key[192];
uint16_t auth_type_flags;
uint16_t encryption_type_flags;
uint8_t connection_type_flags;
uint16_t config_methods;
char manufacturer[65];
char model_name[33];
char model_number[33];
char serial_number[33];
struct wsc_primary_device_type primary_device_type;
char device_name[33];
uint8_t rf_bands;
enum wsc_association_state association_state;
enum wsc_configuration_error configuration_error;
enum wsc_device_password_id device_password_id;
uint32_t os_version;
uint8_t authenticator[8];
};
struct wsc_m3 {
bool version2;
uint8_t registrar_nonce[16];
uint8_t e_hash1[32];
uint8_t e_hash2[32];
uint8_t authenticator[8];
};
struct wsc_m4 {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t r_hash1[32];
uint8_t r_hash2[32];
uint8_t authenticator[8];
};
struct wsc_m4_encrypted_settings {
uint8_t r_snonce1[16];
uint8_t authenticator[8];
};
struct wsc_m5 {
bool version2;
uint8_t registrar_nonce[16];
uint8_t authenticator[8];
};
struct wsc_m5_encrypted_settings {
uint8_t e_snonce1[16];
uint8_t authenticator[8];
};
struct wsc_m6 {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t authenticator[8];
};
struct wsc_m6_encrypted_settings {
uint8_t r_snonce2[16];
uint8_t authenticator[8];
};
struct wsc_m7 {
bool version2;
uint8_t registrar_nonce[16];
uint8_t authenticator[8];
};
struct wsc_m7_encrypted_settings {
uint8_t e_snonce2[16];
uint8_t authenticator[8];
};
struct wsc_m8 {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t authenticator[8];
};
struct wsc_m8_encrypted_settings {
uint8_t new_password[64];
uint8_t new_password_len;
enum wsc_device_password_id device_password_id;
uint8_t authenticator[8];
};
struct wsc_ack {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t registrar_nonce[16];
};
struct wsc_nack {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t registrar_nonce[16];
enum wsc_configuration_error configuration_error;
};
struct wsc_done {
bool version2;
uint8_t enrollee_nonce[16];
uint8_t registrar_nonce[16];
};
int wsc_parse_primary_device_type(const uint8_t *pdu, size_t len,
struct wsc_primary_device_type *out);
enum wsc_attr_flag {
WSC_ATTR_FLAG_REQUIRED = 0x1, /* Always required */
WSC_ATTR_FLAG_VERSION2 = 0x2, /* Included if Version2 is present */
WSC_ATTR_FLAG_REGISTRAR = 0x4, /* Included if Selected Registrar is true */
};
int wsc_parse_attrs(const unsigned char *pdu, unsigned int len,
bool *out_version2, struct wsc_wfa_ext_iter *ext_iter,
enum wsc_attr authenticator_type,
uint8_t *authenticator, int type, ...);
int wsc_parse_credential(const uint8_t *pdu, uint32_t len,
struct wsc_credential *out);
int wsc_parse_beacon(const unsigned char *pdu, unsigned int len,
struct wsc_beacon *out);
int wsc_parse_probe_response(const unsigned char *pdu, unsigned int len,
struct wsc_probe_response *out);
int wsc_parse_probe_request(const unsigned char *pdu, unsigned int len,
struct wsc_probe_request *out);
int wsc_parse_association_request(const uint8_t *pdu, uint32_t len,
struct wsc_association_request *out);
int wsc_parse_association_response(const uint8_t *pdu, uint32_t len,
struct wsc_association_response *out);
int wsc_parse_m1(const uint8_t *pdu, uint32_t len, struct wsc_m1 *out);
int wsc_parse_m2(const uint8_t *pdu, uint32_t len, struct wsc_m2 *out);
int wsc_parse_m3(const uint8_t *pdu, uint32_t len, struct wsc_m3 *out);
int wsc_parse_m4(const uint8_t *pdu, uint32_t len, struct wsc_m4 *out,
struct iovec *out_encrypted);
int wsc_parse_m4_encrypted_settings(const uint8_t *pdu, uint32_t len,
struct wsc_m4_encrypted_settings *out);
int wsc_parse_m5(const uint8_t *pdu, uint32_t len, struct wsc_m5 *out,
struct iovec *out_encrypted);
int wsc_parse_m5_encrypted_settings(const uint8_t *pdu, uint32_t len,
struct wsc_m5_encrypted_settings *out);
int wsc_parse_m6(const uint8_t *pdu, uint32_t len, struct wsc_m6 *out,
struct iovec *out_encrypted);
int wsc_parse_m6_encrypted_settings(const uint8_t *pdu, uint32_t len,
struct wsc_m6_encrypted_settings *out);
int wsc_parse_m7(const uint8_t *pdu, uint32_t len, struct wsc_m7 *out,
struct iovec *out_encrypted);
int wsc_parse_m7_encrypted_settings(const uint8_t *pdu, uint32_t len,
struct wsc_m7_encrypted_settings *out);
int wsc_parse_m8(const uint8_t *pdu, uint32_t len, struct wsc_m8 *out,
struct iovec *out_encrypted);
int wsc_parse_m8_encrypted_settings(const uint8_t *pdu, uint32_t len,
struct wsc_m8_encrypted_settings *out,
struct iovec *iov, size_t *iovcnt);
int wsc_parse_wsc_ack(const uint8_t *pdu, uint32_t len, struct wsc_ack *out);
int wsc_parse_wsc_nack(const uint8_t *pdu, uint32_t len, struct wsc_nack *out);
int wsc_parse_wsc_done(const uint8_t *pdu, uint32_t len, struct wsc_done *out);
uint8_t *wsc_build_probe_request(const struct wsc_probe_request *probe_request,
size_t *out_len);
uint8_t *wsc_build_association_request(
const struct wsc_association_request *association_request,
size_t *out_len);
uint8_t *wsc_build_association_response(
const struct wsc_association_response *association_response,
size_t *out_len);
uint8_t *wsc_build_m1(const struct wsc_m1 *m1, size_t *out_len);
uint8_t *wsc_build_m2(const struct wsc_m2 *m2, size_t *out_len);
uint8_t *wsc_build_m3(const struct wsc_m3 *m3, size_t *out_len);
uint8_t *wsc_build_m4(const struct wsc_m4 *m4, const uint8_t *encrypted,
size_t encrypted_len, size_t *out_len);
uint8_t *wsc_build_m4_encrypted_settings(
const struct wsc_m4_encrypted_settings *in,
size_t *out_len);
uint8_t *wsc_build_m5(const struct wsc_m5 *m5, const uint8_t *encrypted,
size_t encrypted_len, size_t *out_len);
uint8_t *wsc_build_m5_encrypted_settings(
const struct wsc_m5_encrypted_settings *in,
size_t *out_len);
uint8_t *wsc_build_m6(const struct wsc_m6 *m6, const uint8_t *encrypted,
size_t encrypted_len, size_t *out_len);
uint8_t *wsc_build_m6_encrypted_settings(
const struct wsc_m6_encrypted_settings *in,
size_t *out_len);
uint8_t *wsc_build_m7(const struct wsc_m7 *m7, const uint8_t *encrypted,
size_t encrypted_len, size_t *out_len);
uint8_t *wsc_build_m7_encrypted_settings(
const struct wsc_m7_encrypted_settings *in,
size_t *out_len);
uint8_t *wsc_build_m8(const struct wsc_m8 *m8, const uint8_t *encrypted,
size_t encrypted_len, size_t *out_len);
uint8_t *wsc_build_wsc_ack(const struct wsc_ack *ack, size_t *out_len);
uint8_t *wsc_build_wsc_nack(const struct wsc_nack *nack, size_t *out_len);
uint8_t *wsc_build_wsc_done(const struct wsc_done *done, size_t *out_len);
struct wsc_p2p_attrs {
bool version;
bool version2;
enum wsc_device_password_id device_password_id;
uint16_t config_methods;
};
uint8_t *wsc_build_p2p_attrs(const struct wsc_p2p_attrs *attrs,
size_t *out_len);
bool wsc_uuid_from_addr(const uint8_t addr[], uint8_t *out_uuid);
struct wsc_session_key {
uint8_t auth_key[32];
uint8_t keywrap_key[16];
uint8_t emsk[32];
} __attribute__ ((packed));
bool wsc_kdf(const void *kdk, void *output, size_t size);
bool wsc_pin_is_valid(const char *pin);
bool wsc_pin_is_checksum_valid(const char *pin);
bool wsc_pin_generate(char *pin);
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