WPS: Move WPS glue code from wpas_glue.c to wps_supplicant.c
This cleans up the internal interface between different modules and is the first step in getting wpa_supplicant design closer to hostapd as far as WPS is concerned.master
Jouni Malinen
16 years ago
parent
ff434cbdda
commit
fa201b694f
@ -0,0 +1,176 @@
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/*
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* wpa_supplicant / WPS integration
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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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#include "includes.h"
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#include "common.h"
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#include "ieee802_11_defs.h"
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#include "wpa_common.h"
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#include "config.h"
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#include "wpa_supplicant_i.h"
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#include "wps/wps.h"
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#include "wps/wps_defs.h"
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#include "wps_supplicant.h"
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int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
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{
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPS && wpa_s->current_ssid &&
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!(wpa_s->current_ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
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wpa_printf(MSG_DEBUG, "WPS: Network configuration replaced - "
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"try to associate with the received credential");
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wpa_supplicant_deauthenticate(wpa_s,
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WLAN_REASON_DEAUTH_LEAVING);
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wpa_s->reassociate = 1;
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wpa_supplicant_req_scan(wpa_s, 0, 0);
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return 1;
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}
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return 0;
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}
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static int wpa_supplicant_wps_cred(void *ctx, struct wps_credential *cred)
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{
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struct wpa_supplicant *wpa_s = ctx;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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wpa_msg(wpa_s, MSG_INFO, "WPS: New credential received");
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if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_WPS)) {
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wpa_printf(MSG_DEBUG, "WPS: Replace WPS network block based "
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"on the received credential");
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os_free(ssid->eap.identity);
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ssid->eap.identity = NULL;
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ssid->eap.identity_len = 0;
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os_free(ssid->eap.phase1);
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ssid->eap.phase1 = NULL;
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os_free(ssid->eap.eap_methods);
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ssid->eap.eap_methods = NULL;
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} else {
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wpa_printf(MSG_DEBUG, "WPS: Create a new network based on the "
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"received credential");
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ssid = wpa_config_add_network(wpa_s->conf);
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if (ssid == NULL)
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return -1;
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}
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wpa_config_set_network_defaults(ssid);
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os_free(ssid->ssid);
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ssid->ssid = os_malloc(cred->ssid_len);
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if (ssid->ssid) {
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os_memcpy(ssid->ssid, cred->ssid, cred->ssid_len);
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ssid->ssid_len = cred->ssid_len;
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}
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switch (cred->encr_type) {
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case WPS_ENCR_NONE:
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ssid->pairwise_cipher = ssid->group_cipher = WPA_CIPHER_NONE;
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break;
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case WPS_ENCR_WEP:
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ssid->pairwise_cipher = ssid->group_cipher =
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WPA_CIPHER_WEP40 | WPA_CIPHER_WEP104;
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if (cred->key_len > 0 && cred->key_len <= MAX_WEP_KEY_LEN &&
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cred->key_idx < NUM_WEP_KEYS) {
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os_memcpy(ssid->wep_key[cred->key_idx], cred->key,
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cred->key_len);
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ssid->wep_key_len[cred->key_idx] = cred->key_len;
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ssid->wep_tx_keyidx = cred->key_idx;
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}
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break;
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case WPS_ENCR_TKIP:
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ssid->pairwise_cipher = WPA_CIPHER_TKIP;
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ssid->group_cipher = WPA_CIPHER_TKIP;
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break;
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case WPS_ENCR_AES:
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ssid->pairwise_cipher = WPA_CIPHER_CCMP;
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ssid->group_cipher = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
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break;
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}
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switch (cred->auth_type) {
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case WPS_AUTH_OPEN:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_NONE;
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ssid->proto = 0;
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break;
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case WPS_AUTH_SHARED:
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ssid->auth_alg = WPA_AUTH_ALG_SHARED;
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ssid->key_mgmt = WPA_KEY_MGMT_NONE;
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ssid->proto = 0;
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break;
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case WPS_AUTH_WPAPSK:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_PSK;
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ssid->proto = WPA_PROTO_WPA;
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break;
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case WPS_AUTH_WPA:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
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ssid->proto = WPA_PROTO_WPA;
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break;
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case WPS_AUTH_WPA2:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_IEEE8021X;
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ssid->proto = WPA_PROTO_RSN;
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break;
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case WPS_AUTH_WPA2PSK:
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ssid->auth_alg = WPA_AUTH_ALG_OPEN;
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ssid->key_mgmt = WPA_KEY_MGMT_PSK;
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ssid->proto = WPA_PROTO_RSN;
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break;
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}
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if (ssid->key_mgmt == WPA_KEY_MGMT_PSK) {
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if (cred->key_len == 2 * PMK_LEN) {
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if (hexstr2bin((const char *) cred->key, ssid->psk,
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PMK_LEN)) {
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wpa_printf(MSG_ERROR, "WPS: Invalid Network "
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"Key");
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return -1;
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}
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ssid->psk_set = 1;
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} else if (cred->key_len >= 8 && cred->key_len < 2 * PMK_LEN) {
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os_free(ssid->passphrase);
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ssid->passphrase = os_malloc(cred->key_len + 1);
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if (ssid->passphrase == NULL)
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return -1;
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os_memcpy(ssid->passphrase, cred->key, cred->key_len);
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ssid->passphrase[cred->key_len] = '\0';
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wpa_config_update_psk(ssid);
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} else {
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wpa_printf(MSG_ERROR, "WPS: Invalid Network Key "
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"length %lu",
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(unsigned long) cred->key_len);
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return -1;
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}
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}
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#ifndef CONFIG_NO_CONFIG_WRITE
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if (wpa_s->conf->update_config &&
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wpa_config_write(wpa_s->confname, wpa_s->conf)) {
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wpa_printf(MSG_DEBUG, "WPS: Failed to update configuration");
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return -1;
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}
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#endif /* CONFIG_NO_CONFIG_WRITE */
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return 0;
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}
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void * wpas_wps_get_cred_cb(void)
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{
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return wpa_supplicant_wps_cred;
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}
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@ -0,0 +1,37 @@
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/*
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* wpa_supplicant / WPS integration
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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_SUPPLICANT_H
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#define WPS_SUPPLICANT_H
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#ifdef CONFIG_WPS
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int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s);
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void * wpas_wps_get_cred_cb(void);
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#else /* CONFIG_WPS */
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static inline int wpas_wps_eapol_cb(struct wpa_supplicant *wpa_s)
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{
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return 0;
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}
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static inline void * wpas_wps_get_cred_cb(void)
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{
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return NULL;
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}
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#endif /* CONFIG_WPS */
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#endif /* WPS_SUPPLICANT_H */
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