469fc3a41f
This callback is now used to stop wpa_supplicant from trying to continue using parameters (most likely, device password) that do not work in a loop. In addition, wpa_gui can now notify user of failed registration.
214 lines
7.3 KiB
C
214 lines
7.3 KiB
C
/*
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* Wi-Fi Protected Setup - internal definitions
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* Copyright (c) 2008, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef WPS_I_H
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#define WPS_I_H
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#include "wps.h"
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#include "wps_defs.h"
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/**
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* struct wps_data - WPS registration protocol data
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*
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* This data is stored at the EAP-WSC server/peer method and it is kept for a
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* single registration protocol run.
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*/
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struct wps_data {
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int authenticator;
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struct wps_context *wps;
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struct wps_registrar *registrar;
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enum {
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/* Enrollee states */
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SEND_M1, RECV_M2, SEND_M3, RECV_M4, SEND_M5, RECV_M6, SEND_M7,
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RECV_M8, RECEIVED_M2D, WPS_MSG_DONE, RECV_ACK, WPS_FINISHED,
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SEND_WSC_NACK,
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/* Registrar states */
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RECV_M1, SEND_M2, RECV_M3, SEND_M4, RECV_M5, SEND_M6,
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RECV_M7, SEND_M8, RECV_DONE, SEND_M2D, RECV_M2D_ACK
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} state;
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u8 uuid_e[WPS_UUID_LEN];
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u8 uuid_r[WPS_UUID_LEN];
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u8 mac_addr_e[ETH_ALEN];
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u8 nonce_e[WPS_NONCE_LEN];
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u8 nonce_r[WPS_NONCE_LEN];
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u8 psk1[WPS_PSK_LEN];
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u8 psk2[WPS_PSK_LEN];
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u8 snonce[2 * WPS_SECRET_NONCE_LEN];
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u8 peer_hash1[WPS_HASH_LEN];
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u8 peer_hash2[WPS_HASH_LEN];
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struct wpabuf *dh_privkey;
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struct wpabuf *dh_pubkey_e;
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struct wpabuf *dh_pubkey_r;
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u8 authkey[WPS_AUTHKEY_LEN];
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u8 keywrapkey[WPS_KEYWRAPKEY_LEN];
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u8 emsk[WPS_EMSK_LEN];
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u8 mgmt_auth_key[WPS_MGMTAUTHKEY_LEN];
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u8 mgmt_auth_key_id[WPS_MGMT_KEY_ID_LEN];
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u8 mgmt_enc_key[WPS_MGMTENCKEY_LEN];
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u8 mgmt_enc_key_id[WPS_MGMT_KEY_ID_LEN];
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struct wpabuf *last_msg;
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u8 *dev_password;
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size_t dev_password_len;
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u16 dev_pw_id;
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int pbc;
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u8 request_type; /* Request Type attribute from (Re)AssocReq */
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u16 encr_type; /* available encryption types */
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u16 auth_type; /* available authentication types */
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u8 *new_psk;
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size_t new_psk_len;
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int wps_pin_revealed;
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struct wps_credential cred;
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struct wps_device_data peer_dev;
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u16 config_error; /* Configuration Error value to be used in NACK. */
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};
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struct wps_parse_attr {
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/* fixed length fields */
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const u8 *version; /* 1 octet */
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const u8 *msg_type; /* 1 octet */
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const u8 *enrollee_nonce; /* WPS_NONCE_LEN (16) octets */
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const u8 *registrar_nonce; /* WPS_NONCE_LEN (16) octets */
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const u8 *uuid_r; /* WPS_UUID_LEN (16) octets */
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const u8 *uuid_e; /* WPS_UUID_LEN (16) octets */
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const u8 *auth_type_flags; /* 2 octets */
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const u8 *encr_type_flags; /* 2 octets */
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const u8 *conn_type_flags; /* 1 octet */
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const u8 *config_methods; /* 2 octets */
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const u8 *sel_reg_config_methods; /* 2 octets */
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const u8 *primary_dev_type; /* 8 octets */
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const u8 *rf_bands; /* 1 octet */
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const u8 *assoc_state; /* 2 octets */
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const u8 *config_error; /* 2 octets */
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const u8 *dev_password_id; /* 2 octets */
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const u8 *os_version; /* 4 octets */
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const u8 *wps_state; /* 1 octet */
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const u8 *authenticator; /* WPS_AUTHENTICATOR_LEN (8) octets */
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const u8 *r_hash1; /* WPS_HASH_LEN (32) octets */
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const u8 *r_hash2; /* WPS_HASH_LEN (32) octets */
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const u8 *e_hash1; /* WPS_HASH_LEN (32) octets */
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const u8 *e_hash2; /* WPS_HASH_LEN (32) octets */
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const u8 *r_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */
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const u8 *r_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */
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const u8 *e_snonce1; /* WPS_SECRET_NONCE_LEN (16) octets */
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const u8 *e_snonce2; /* WPS_SECRET_NONCE_LEN (16) octets */
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const u8 *key_wrap_auth; /* WPS_KWA_LEN (8) octets */
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const u8 *auth_type; /* 2 octets */
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const u8 *encr_type; /* 2 octets */
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const u8 *network_idx; /* 1 octet */
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const u8 *network_key_idx; /* 1 octet */
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const u8 *mac_addr; /* ETH_ALEN (6) octets */
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const u8 *key_prov_auto; /* 1 octet (Bool) */
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const u8 *dot1x_enabled; /* 1 octet (Bool) */
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const u8 *selected_registrar; /* 1 octet (Bool) */
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const u8 *request_type; /* 1 octet */
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const u8 *response_type; /* 1 octet */
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/* variable length fields */
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const u8 *manufacturer;
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size_t manufacturer_len;
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const u8 *model_name;
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size_t model_name_len;
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const u8 *model_number;
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size_t model_number_len;
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const u8 *serial_number;
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size_t serial_number_len;
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const u8 *dev_name;
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size_t dev_name_len;
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const u8 *public_key;
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size_t public_key_len;
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const u8 *encr_settings;
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size_t encr_settings_len;
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const u8 *ssid; /* <= 32 octets */
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size_t ssid_len;
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const u8 *network_key; /* <= 64 octets */
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size_t network_key_len;
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const u8 *eap_type; /* <= 8 octets */
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size_t eap_type_len;
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const u8 *eap_identity; /* <= 64 octets */
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size_t eap_identity_len;
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/* attributes that can occur multiple times */
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#define MAX_CRED_COUNT 10
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const u8 *cred[MAX_CRED_COUNT];
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size_t cred_len[MAX_CRED_COUNT];
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size_t num_cred;
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};
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/* wps_common.c */
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void wps_kdf(const u8 *key, const u8 *label_prefix, size_t label_prefix_len,
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const char *label, u8 *res, size_t res_len);
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int wps_derive_keys(struct wps_data *wps);
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int wps_derive_mgmt_keys(struct wps_data *wps);
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void wps_derive_psk(struct wps_data *wps, const u8 *dev_passwd,
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size_t dev_passwd_len);
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struct wpabuf * wps_decrypt_encr_settings(struct wps_data *wps, const u8 *encr,
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size_t encr_len);
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void wps_fail_event(struct wps_context *wps, enum wps_msg_type msg);
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/* wps_attr_parse.c */
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int wps_parse_msg(const struct wpabuf *msg, struct wps_parse_attr *attr);
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/* wps_attr_build.c */
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int wps_build_public_key(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_req_type(struct wpabuf *msg, enum wps_request_type type);
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int wps_build_config_methods(struct wpabuf *msg, u16 methods);
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int wps_build_uuid_e(struct wpabuf *msg, const u8 *uuid);
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int wps_build_dev_password_id(struct wpabuf *msg, u16 id);
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int wps_build_config_error(struct wpabuf *msg, u16 err);
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int wps_build_authenticator(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_encr_settings(struct wps_data *wps, struct wpabuf *msg,
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struct wpabuf *plain);
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int wps_build_version(struct wpabuf *msg);
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int wps_build_msg_type(struct wpabuf *msg, enum wps_msg_type msg_type);
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int wps_build_enrollee_nonce(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_registrar_nonce(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_auth_type_flags(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_encr_type_flags(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_conn_type_flags(struct wps_data *wps, struct wpabuf *msg);
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int wps_build_assoc_state(struct wps_data *wps, struct wpabuf *msg);
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/* wps_attr_process.c */
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int wps_process_authenticator(struct wps_data *wps, const u8 *authenticator,
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const struct wpabuf *msg);
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int wps_process_key_wrap_auth(struct wps_data *wps, struct wpabuf *msg,
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const u8 *key_wrap_auth);
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int wps_process_cred(struct wps_parse_attr *attr,
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struct wps_credential *cred);
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int wps_process_ap_settings(struct wps_parse_attr *attr,
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struct wps_credential *cred);
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/* wps_enrollee.c */
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struct wpabuf * wps_enrollee_get_msg(struct wps_data *wps, u8 *op_code);
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enum wps_process_res wps_enrollee_process_msg(struct wps_data *wps, u8 op_code,
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const struct wpabuf *msg);
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/* wps_registrar.c */
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struct wpabuf * wps_registrar_get_msg(struct wps_data *wps, u8 *op_code);
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enum wps_process_res wps_registrar_process_msg(struct wps_data *wps,
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u8 op_code,
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const struct wpabuf *msg);
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#endif /* WPS_I_H */
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