1 /*
2 * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include "sdkconfig.h"
8 #include "utils/includes.h"
9
10 #include "utils/common.h"
11 #include "crypto/sha1.h"
12 #include "common/ieee802_11_defs.h"
13 #include "common/eapol_common.h"
14 #include "ap/wpa_auth.h"
15 #include "ap/ap_config.h"
16 #include "utils/wpa_debug.h"
17 #include "ap/hostapd.h"
18 #include "ap/wpa_auth_i.h"
19 #include "esp_wifi_driver.h"
20 #include "esp_wifi_types.h"
21
hostap_init(void)22 void *hostap_init(void)
23 {
24 struct wifi_ssid *ssid = esp_wifi_ap_get_prof_ap_ssid_internal();
25 struct hostapd_data *hapd = NULL;
26 struct wpa_auth_config *auth_conf;
27 u8 mac[6];
28 u16 spp_attrubute = 0;
29 u8 pairwise_cipher;
30
31 hapd = (struct hostapd_data *)os_zalloc(sizeof(struct hostapd_data));
32
33 if (hapd == NULL) {
34 return NULL;
35 }
36
37 hapd->conf = (struct hostapd_bss_config *)os_zalloc(sizeof(struct hostapd_bss_config));
38
39 if (hapd->conf == NULL) {
40 os_free(hapd);
41 return NULL;
42 }
43
44 auth_conf = (struct wpa_auth_config *)os_zalloc(sizeof(struct wpa_auth_config));
45
46 if (auth_conf == NULL) {
47 os_free(hapd->conf);
48 os_free(hapd);
49 hapd = NULL;
50 return NULL;
51 }
52 if (esp_wifi_ap_get_prof_authmode_internal() == WIFI_AUTH_WPA_PSK) {
53 auth_conf->wpa = WPA_PROTO_WPA;
54 }
55 if (esp_wifi_ap_get_prof_authmode_internal() == WIFI_AUTH_WPA2_PSK) {
56 auth_conf->wpa = WPA_PROTO_RSN;
57 }
58 if (esp_wifi_ap_get_prof_authmode_internal() == WIFI_AUTH_WPA_WPA2_PSK) {
59 auth_conf->wpa = WPA_PROTO_RSN | WPA_PROTO_WPA;
60 }
61
62 pairwise_cipher = esp_wifi_ap_get_prof_pairwise_cipher_internal();
63 /* TKIP is compulsory in WPA Mode */
64 if (auth_conf->wpa == WPA_PROTO_WPA && pairwise_cipher == WIFI_CIPHER_TYPE_CCMP) {
65 pairwise_cipher = WIFI_CIPHER_TYPE_TKIP_CCMP;
66 }
67 if (pairwise_cipher == WIFI_CIPHER_TYPE_TKIP) {
68 auth_conf->wpa_group = WPA_CIPHER_TKIP;
69 auth_conf->wpa_pairwise = WPA_CIPHER_TKIP;
70 auth_conf->rsn_pairwise = WPA_CIPHER_TKIP;
71 } else if (pairwise_cipher == WIFI_CIPHER_TYPE_CCMP) {
72 auth_conf->wpa_group = WPA_CIPHER_CCMP;
73 auth_conf->wpa_pairwise = WPA_CIPHER_CCMP;
74 auth_conf->rsn_pairwise = WPA_CIPHER_CCMP;
75 } else {
76 auth_conf->wpa_group = WPA_CIPHER_TKIP;
77 auth_conf->wpa_pairwise = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
78 auth_conf->rsn_pairwise = WPA_CIPHER_CCMP | WPA_CIPHER_TKIP;
79 }
80
81 auth_conf->wpa_key_mgmt = WPA_KEY_MGMT_PSK;
82 auth_conf->eapol_version = EAPOL_VERSION;
83
84 spp_attrubute = esp_wifi_get_spp_attrubute_internal(WIFI_IF_AP);
85 auth_conf->spp_sup.capable = ((spp_attrubute & WPA_CAPABILITY_SPP_CAPABLE) ? SPP_AMSDU_CAP_ENABLE : SPP_AMSDU_CAP_DISABLE);
86 auth_conf->spp_sup.require = ((spp_attrubute & WPA_CAPABILITY_SPP_REQUIRED) ? SPP_AMSDU_REQ_ENABLE : SPP_AMSDU_REQ_DISABLE);
87
88 memcpy(hapd->conf->ssid.ssid, ssid->ssid, ssid->len);
89 hapd->conf->ssid.ssid_len = ssid->len;
90 hapd->conf->ssid.wpa_passphrase = (char *)os_zalloc(64);
91 if (hapd->conf->ssid.wpa_passphrase == NULL) {
92 os_free(auth_conf);
93 os_free(hapd->conf);
94 os_free(hapd);
95 hapd = NULL;
96 return NULL;
97 }
98 memcpy(hapd->conf->ssid.wpa_passphrase, esp_wifi_ap_get_prof_password_internal(), strlen((char *)esp_wifi_ap_get_prof_password_internal()));
99
100 hapd->conf->ap_max_inactivity = 5 * 60;
101 hostapd_setup_wpa_psk(hapd->conf);
102
103 esp_wifi_get_macaddr_internal(WIFI_IF_AP, mac);
104
105 hapd->wpa_auth = wpa_init(mac, auth_conf, NULL);
106 esp_wifi_set_appie_internal(WIFI_APPIE_WPA, hapd->wpa_auth->wpa_ie, (uint16_t)hapd->wpa_auth->wpa_ie_len, 0);
107 os_free(auth_conf);
108
109 return (void *)hapd;
110 }
111
hostap_deinit(void * data)112 bool hostap_deinit(void *data)
113 {
114 struct hostapd_data *hapd = (struct hostapd_data *)data;
115
116 if (hapd == NULL) {
117 return true;
118 }
119
120 if (hapd->wpa_auth != NULL) {
121 if (hapd->wpa_auth->wpa_ie != NULL) {
122 os_free(hapd->wpa_auth->wpa_ie);
123 }
124 if (hapd->wpa_auth->group != NULL) {
125 os_free(hapd->wpa_auth->group);
126 }
127 os_free(hapd->wpa_auth);
128 }
129
130 if (hapd->conf != NULL) {
131 if (hapd->conf->ssid.wpa_psk != NULL) {
132 os_free(hapd->conf->ssid.wpa_psk);
133 }
134 if (hapd->conf->ssid.wpa_passphrase != NULL) {
135 os_free(hapd->conf->ssid.wpa_passphrase);
136 }
137 os_free(hapd->conf);
138 }
139
140 os_free(hapd);
141 esp_wifi_unset_appie_internal(WIFI_APPIE_WPA);
142
143 return true;
144 }
145
