| /* |
| * Testing tool for EAPOL-Key Supplicant/Authenticator routines |
| * Copyright (c) 2006-2019, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README for more details. |
| */ |
| |
| #include "utils/includes.h" |
| |
| #include "utils/common.h" |
| #include "utils/eloop.h" |
| #include "rsn_supp/wpa.h" |
| #include "ap/wpa_auth.h" |
| |
| |
| struct wpa { |
| enum { AUTH, SUPP } test_peer; |
| enum { READ, WRITE } test_oper; |
| FILE *f; |
| int wpa1; |
| |
| u8 auth_addr[ETH_ALEN]; |
| u8 supp_addr[ETH_ALEN]; |
| u8 psk[PMK_LEN]; |
| |
| /* from authenticator */ |
| u8 *auth_eapol; |
| size_t auth_eapol_len; |
| |
| /* from supplicant */ |
| u8 *supp_eapol; |
| size_t supp_eapol_len; |
| |
| struct wpa_sm *supp; |
| struct wpa_authenticator *auth_group; |
| struct wpa_state_machine *auth; |
| |
| u8 supp_ie[80]; |
| size_t supp_ie_len; |
| |
| int key_request_done; |
| int key_request_done1; |
| int auth_sent; |
| }; |
| |
| |
| const struct wpa_driver_ops *const wpa_drivers[] = { NULL }; |
| |
| |
| static int auth_read_msg(struct wpa *wpa); |
| static void supp_eapol_key_request(void *eloop_data, void *user_ctx); |
| |
| |
| static void usage(void) { |
| wpa_printf(MSG_INFO, |
| "usage: test-eapol <auth/supp> <read/write> <file>"); |
| exit(-1); |
| } |
| |
| |
| static void write_msg(FILE *f, const u8 *msg, size_t msg_len) |
| { |
| u8 len[2]; |
| |
| wpa_printf(MSG_DEBUG, "TEST: Write message to file (msg_len=%u)", |
| (unsigned int) msg_len); |
| WPA_PUT_BE16(len, msg_len); |
| fwrite(len, 2, 1, f); |
| fwrite(msg, msg_len, 1, f); |
| } |
| |
| |
| static u8 * read_msg(FILE *f, size_t *ret_len) |
| { |
| u8 len[2]; |
| u16 msg_len; |
| u8 *msg; |
| |
| if (fread(len, 2, 1, f) != 1) { |
| wpa_printf(MSG_ERROR, "TEST-ERROR: Could not read msg len"); |
| eloop_terminate(); |
| return NULL; |
| } |
| msg_len = WPA_GET_BE16(len); |
| |
| msg = os_malloc(msg_len); |
| if (!msg) |
| return NULL; |
| if (msg_len > 0 && fread(msg, msg_len, 1, f) != 1) { |
| wpa_printf(MSG_ERROR, "TEST-ERROR: Truncated msg (msg_len=%u)", |
| msg_len); |
| os_free(msg); |
| eloop_terminate(); |
| return NULL; |
| } |
| wpa_hexdump(MSG_DEBUG, "TEST: Read message from file", msg, msg_len); |
| |
| *ret_len = msg_len; |
| return msg; |
| } |
| |
| |
| static int supp_get_bssid(void *ctx, u8 *bssid) |
| { |
| struct wpa *wpa = ctx; |
| wpa_printf(MSG_DEBUG, "SUPP: %s", __func__); |
| os_memcpy(bssid, wpa->auth_addr, ETH_ALEN); |
| return 0; |
| } |
| |
| |
| static void supp_set_state(void *ctx, enum wpa_states state) |
| { |
| wpa_printf(MSG_DEBUG, "SUPP: %s(state=%d)", __func__, state); |
| } |
| |
| |
| static void auth_eapol_rx(void *eloop_data, void *user_ctx) |
| { |
| struct wpa *wpa = eloop_data; |
| |
| wpa_printf(MSG_DEBUG, "AUTH: RX EAPOL frame"); |
| wpa->auth_sent = 0; |
| wpa_receive(wpa->auth_group, wpa->auth, wpa->supp_eapol, |
| wpa->supp_eapol_len); |
| if (!wpa->auth_sent && wpa->test_peer == SUPP && |
| wpa->test_oper == READ) { |
| /* Speed up process by not going through retransmit timeout */ |
| wpa_printf(MSG_DEBUG, |
| "AUTH: No response was sent - process next message"); |
| auth_read_msg(wpa); |
| } |
| if (wpa->wpa1 && wpa->key_request_done && !wpa->key_request_done1) { |
| wpa->key_request_done1 = 1; |
| eloop_register_timeout(0, 0, supp_eapol_key_request, |
| wpa, NULL); |
| } |
| |
| } |
| |
| |
| static void supp_eapol_rx(void *eloop_data, void *user_ctx) |
| { |
| struct wpa *wpa = eloop_data; |
| |
| wpa_printf(MSG_DEBUG, "SUPP: RX EAPOL frame"); |
| wpa_sm_rx_eapol(wpa->supp, wpa->auth_addr, wpa->auth_eapol, |
| wpa->auth_eapol_len); |
| } |
| |
| |
| static int supp_read_msg(struct wpa *wpa) |
| { |
| os_free(wpa->auth_eapol); |
| wpa->auth_eapol = read_msg(wpa->f, &wpa->auth_eapol_len); |
| if (!wpa->auth_eapol) |
| return -1; |
| eloop_register_timeout(0, 0, supp_eapol_rx, wpa, NULL); |
| return 0; |
| } |
| |
| |
| static int supp_ether_send(void *ctx, const u8 *dest, u16 proto, const u8 *buf, |
| size_t len) |
| { |
| struct wpa *wpa = ctx; |
| |
| wpa_printf(MSG_DEBUG, "SUPP: %s(dest=" MACSTR " proto=0x%04x " |
| "len=%lu)", |
| __func__, MAC2STR(dest), proto, (unsigned long) len); |
| |
| if (wpa->test_peer == SUPP && wpa->test_oper == WRITE) |
| write_msg(wpa->f, buf, len); |
| |
| if (wpa->test_peer == AUTH && wpa->test_oper == READ) |
| return supp_read_msg(wpa); |
| |
| os_free(wpa->supp_eapol); |
| wpa->supp_eapol = os_malloc(len); |
| if (!wpa->supp_eapol) |
| return -1; |
| os_memcpy(wpa->supp_eapol, buf, len); |
| wpa->supp_eapol_len = len; |
| eloop_register_timeout(0, 0, auth_eapol_rx, wpa, NULL); |
| |
| return 0; |
| } |
| |
| |
| static u8 * supp_alloc_eapol(void *ctx, u8 type, const void *data, |
| u16 data_len, size_t *msg_len, void **data_pos) |
| { |
| struct ieee802_1x_hdr *hdr; |
| |
| wpa_printf(MSG_DEBUG, "SUPP: %s(type=%d data_len=%d)", |
| __func__, type, data_len); |
| |
| *msg_len = sizeof(*hdr) + data_len; |
| hdr = os_malloc(*msg_len); |
| if (hdr == NULL) |
| return NULL; |
| |
| hdr->version = 2; |
| hdr->type = type; |
| hdr->length = host_to_be16(data_len); |
| |
| if (data) |
| os_memcpy(hdr + 1, data, data_len); |
| else |
| os_memset(hdr + 1, 0, data_len); |
| |
| if (data_pos) |
| *data_pos = hdr + 1; |
| |
| return (u8 *) hdr; |
| } |
| |
| |
| static int supp_get_beacon_ie(void *ctx) |
| { |
| struct wpa *wpa = ctx; |
| const u8 *ie; |
| size_t ielen; |
| |
| wpa_printf(MSG_DEBUG, "SUPP: %s", __func__); |
| |
| ie = wpa_auth_get_wpa_ie(wpa->auth_group, &ielen); |
| if (ie == NULL || ielen < 1) |
| return -1; |
| if (ie[0] == WLAN_EID_RSN) |
| return wpa_sm_set_ap_rsn_ie(wpa->supp, ie, 2 + ie[1]); |
| return wpa_sm_set_ap_wpa_ie(wpa->supp, ie, 2 + ie[1]); |
| } |
| |
| |
| static int supp_set_key(void *ctx, enum wpa_alg alg, |
| const u8 *addr, int key_idx, int set_tx, |
| const u8 *seq, size_t seq_len, |
| const u8 *key, size_t key_len) |
| { |
| wpa_printf(MSG_DEBUG, "SUPP: %s(alg=%d addr=" MACSTR " key_idx=%d " |
| "set_tx=%d)", |
| __func__, alg, MAC2STR(addr), key_idx, set_tx); |
| wpa_hexdump(MSG_DEBUG, "SUPP: set_key - seq", seq, seq_len); |
| wpa_hexdump(MSG_DEBUG, "SUPP: set_key - key", key, key_len); |
| return 0; |
| } |
| |
| |
| static int supp_mlme_setprotection(void *ctx, const u8 *addr, |
| int protection_type, int key_type) |
| { |
| wpa_printf(MSG_DEBUG, "SUPP: %s(addr=" MACSTR " protection_type=%d " |
| "key_type=%d)", |
| __func__, MAC2STR(addr), protection_type, key_type); |
| return 0; |
| } |
| |
| |
| static void supp_cancel_auth_timeout(void *ctx) |
| { |
| wpa_printf(MSG_DEBUG, "SUPP: %s", __func__); |
| } |
| |
| |
| static void * supp_get_network_ctx(void *ctx) |
| { |
| return (void *) 1; |
| } |
| |
| |
| static void supp_deauthenticate(void *ctx, int reason_code) |
| { |
| wpa_printf(MSG_DEBUG, "SUPP: %s(%d)", __func__, reason_code); |
| } |
| |
| |
| static enum wpa_states supp_get_state(void *ctx) |
| { |
| return WPA_COMPLETED; |
| } |
| |
| |
| static int supp_init(struct wpa *wpa) |
| { |
| struct wpa_sm_ctx *ctx = os_zalloc(sizeof(*ctx)); |
| |
| if (!ctx) |
| return -1; |
| |
| ctx->ctx = wpa; |
| ctx->msg_ctx = wpa; |
| ctx->set_state = supp_set_state; |
| ctx->get_bssid = supp_get_bssid; |
| ctx->ether_send = supp_ether_send; |
| ctx->get_beacon_ie = supp_get_beacon_ie; |
| ctx->alloc_eapol = supp_alloc_eapol; |
| ctx->set_key = supp_set_key; |
| ctx->mlme_setprotection = supp_mlme_setprotection; |
| ctx->cancel_auth_timeout = supp_cancel_auth_timeout; |
| ctx->get_network_ctx = supp_get_network_ctx; |
| ctx->deauthenticate = supp_deauthenticate; |
| ctx->get_state = supp_get_state; |
| wpa->supp = wpa_sm_init(ctx); |
| if (!wpa->supp) { |
| wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_init() failed"); |
| return -1; |
| } |
| |
| wpa_sm_set_own_addr(wpa->supp, wpa->supp_addr); |
| if (wpa->wpa1) { |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_RSN_ENABLED, 0); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_PROTO, WPA_PROTO_WPA); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_PAIRWISE, |
| WPA_CIPHER_TKIP); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_GROUP, WPA_CIPHER_TKIP); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_KEY_MGMT, |
| WPA_KEY_MGMT_PSK); |
| } else { |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_RSN_ENABLED, 1); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_PROTO, WPA_PROTO_RSN); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_PAIRWISE, |
| WPA_CIPHER_CCMP); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_GROUP, WPA_CIPHER_CCMP); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_KEY_MGMT, |
| WPA_KEY_MGMT_PSK); |
| wpa_sm_set_param(wpa->supp, WPA_PARAM_MFP, |
| MGMT_FRAME_PROTECTION_OPTIONAL); |
| } |
| wpa_sm_set_pmk(wpa->supp, wpa->psk, PMK_LEN, NULL, NULL); |
| |
| wpa->supp_ie_len = sizeof(wpa->supp_ie); |
| if (wpa_sm_set_assoc_wpa_ie_default(wpa->supp, wpa->supp_ie, |
| &wpa->supp_ie_len) < 0) { |
| wpa_printf(MSG_DEBUG, "SUPP: wpa_sm_set_assoc_wpa_ie_default()" |
| " failed"); |
| return -1; |
| } |
| |
| wpa_sm_notify_assoc(wpa->supp, wpa->auth_addr); |
| |
| return 0; |
| } |
| |
| |
| static void auth_logger(void *ctx, const u8 *addr, logger_level level, |
| const char *txt) |
| { |
| if (addr) |
| wpa_printf(MSG_DEBUG, "AUTH: " MACSTR " - %s", |
| MAC2STR(addr), txt); |
| else |
| wpa_printf(MSG_DEBUG, "AUTH: %s", txt); |
| } |
| |
| |
| static int auth_read_msg(struct wpa *wpa) |
| { |
| os_free(wpa->supp_eapol); |
| wpa->supp_eapol = read_msg(wpa->f, &wpa->supp_eapol_len); |
| if (!wpa->supp_eapol) |
| return -1; |
| eloop_register_timeout(0, 0, auth_eapol_rx, wpa, NULL); |
| return 0; |
| } |
| |
| |
| static int auth_send_eapol(void *ctx, const u8 *addr, const u8 *data, |
| size_t data_len, int encrypt) |
| { |
| struct wpa *wpa = ctx; |
| |
| wpa_printf(MSG_DEBUG, "AUTH: %s(addr=" MACSTR " data_len=%lu " |
| "encrypt=%d)", |
| __func__, MAC2STR(addr), (unsigned long) data_len, encrypt); |
| wpa->auth_sent = 1; |
| |
| if (wpa->test_peer == AUTH && wpa->test_oper == WRITE) |
| write_msg(wpa->f, data, data_len); |
| |
| if (wpa->test_peer == SUPP && wpa->test_oper == READ) |
| return auth_read_msg(wpa); |
| |
| os_free(wpa->auth_eapol); |
| wpa->auth_eapol = os_malloc(data_len); |
| if (!wpa->auth_eapol) |
| return -1; |
| os_memcpy(wpa->auth_eapol, data, data_len); |
| wpa->auth_eapol_len = data_len; |
| eloop_register_timeout(0, 0, supp_eapol_rx, wpa, NULL); |
| |
| return 0; |
| } |
| |
| |
| static const u8 * auth_get_psk(void *ctx, const u8 *addr, |
| const u8 *p2p_dev_addr, const u8 *prev_psk, |
| size_t *psk_len) |
| { |
| struct wpa *wpa = ctx; |
| |
| wpa_printf(MSG_DEBUG, "AUTH: %s (addr=" MACSTR " prev_psk=%p)", |
| __func__, MAC2STR(addr), prev_psk); |
| if (psk_len) |
| *psk_len = PMK_LEN; |
| if (prev_psk) |
| return NULL; |
| return wpa->psk; |
| } |
| |
| |
| static void supp_eapol_key_request(void *eloop_data, void *user_ctx) |
| { |
| struct wpa *wpa = eloop_data; |
| |
| wpa_printf(MSG_DEBUG, "SUPP: EAPOL-Key Request trigger"); |
| if (wpa->test_peer == SUPP && wpa->test_oper == READ) { |
| if (!eloop_is_timeout_registered(auth_eapol_rx, wpa, NULL)) |
| auth_read_msg(wpa); |
| } else { |
| wpa_sm_key_request(wpa->supp, 0, 1); |
| } |
| } |
| |
| |
| static int auth_set_key(void *ctx, int vlan_id, enum wpa_alg alg, |
| const u8 *addr, int idx, u8 *key, |
| size_t key_len) |
| { |
| struct wpa *wpa = ctx; |
| |
| wpa_printf(MSG_DEBUG, "AUTH: %s (vlan_id=%d alg=%d idx=%d key_len=%d)", |
| __func__, vlan_id, alg, idx, (int) key_len); |
| if (addr) |
| wpa_printf(MSG_DEBUG, "AUTH: addr=" MACSTR, MAC2STR(addr)); |
| |
| if (alg != WPA_ALG_NONE && idx == 0 && key_len > 0 && |
| !wpa->key_request_done) { |
| wpa_printf(MSG_DEBUG, "Test EAPOL-Key Request"); |
| wpa->key_request_done = 1; |
| if (!wpa->wpa1) |
| eloop_register_timeout(0, 0, supp_eapol_key_request, |
| wpa, NULL); |
| } |
| |
| return 0; |
| } |
| |
| |
| static int auth_init_group(struct wpa *wpa) |
| { |
| struct wpa_auth_config conf; |
| struct wpa_auth_callbacks cb; |
| |
| wpa_printf(MSG_DEBUG, "AUTH: Initializing group state machine"); |
| |
| os_memset(&conf, 0, sizeof(conf)); |
| if (wpa->wpa1) { |
| conf.wpa = 1; |
| conf.wpa_key_mgmt = WPA_KEY_MGMT_PSK; |
| conf.wpa_pairwise = WPA_CIPHER_TKIP; |
| conf.wpa_group = WPA_CIPHER_TKIP; |
| } else { |
| conf.wpa = 2; |
| conf.wpa_key_mgmt = WPA_KEY_MGMT_PSK; |
| conf.wpa_pairwise = WPA_CIPHER_CCMP; |
| conf.rsn_pairwise = WPA_CIPHER_CCMP; |
| conf.wpa_group = WPA_CIPHER_CCMP; |
| conf.ieee80211w = 2; |
| conf.group_mgmt_cipher = WPA_CIPHER_AES_128_CMAC; |
| } |
| conf.eapol_version = 2; |
| conf.wpa_group_update_count = 4; |
| conf.wpa_pairwise_update_count = 4; |
| |
| os_memset(&cb, 0, sizeof(cb)); |
| cb.logger = auth_logger; |
| cb.send_eapol = auth_send_eapol; |
| cb.get_psk = auth_get_psk; |
| cb.set_key = auth_set_key, |
| |
| wpa->auth_group = wpa_init(wpa->auth_addr, &conf, &cb, wpa); |
| if (!wpa->auth_group) { |
| wpa_printf(MSG_DEBUG, "AUTH: wpa_init() failed"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| |
| static int auth_init(struct wpa *wpa) |
| { |
| if (wpa->test_peer == AUTH && wpa->test_oper == READ) |
| return supp_read_msg(wpa); |
| |
| wpa->auth = wpa_auth_sta_init(wpa->auth_group, wpa->supp_addr, NULL); |
| if (!wpa->auth) { |
| wpa_printf(MSG_DEBUG, "AUTH: wpa_auth_sta_init() failed"); |
| return -1; |
| } |
| |
| if (wpa_validate_wpa_ie(wpa->auth_group, wpa->auth, wpa->supp_ie, |
| wpa->supp_ie_len, NULL, 0, NULL, 0) != |
| WPA_IE_OK) { |
| wpa_printf(MSG_DEBUG, "AUTH: wpa_validate_wpa_ie() failed"); |
| return -1; |
| } |
| |
| wpa_auth_sm_event(wpa->auth, WPA_ASSOC); |
| |
| wpa_auth_sta_associated(wpa->auth_group, wpa->auth); |
| |
| return 0; |
| } |
| |
| |
| static void deinit(struct wpa *wpa) |
| { |
| wpa_auth_sta_deinit(wpa->auth); |
| wpa_sm_deinit(wpa->supp); |
| wpa_deinit(wpa->auth_group); |
| os_free(wpa->auth_eapol); |
| wpa->auth_eapol = NULL; |
| os_free(wpa->supp_eapol); |
| wpa->supp_eapol = NULL; |
| } |
| |
| |
| int main(int argc, char *argv[]) |
| { |
| const char *file; |
| int ret; |
| struct wpa wpa; |
| |
| if (os_program_init()) |
| return -1; |
| |
| wpa_debug_level = 0; |
| wpa_debug_show_keys = 1; |
| os_memset(&wpa, 0, sizeof(wpa)); |
| |
| if (argc < 4) |
| usage(); |
| |
| if (os_strcmp(argv[1], "auth") == 0) { |
| wpa.test_peer = AUTH; |
| } else if (os_strcmp(argv[1], "auth1") == 0) { |
| wpa.test_peer = AUTH; |
| wpa.wpa1 = 1; |
| } else if (os_strcmp(argv[1], "supp") == 0) { |
| wpa.test_peer = SUPP; |
| } else if (os_strcmp(argv[1], "supp1") == 0) { |
| wpa.test_peer = SUPP; |
| wpa.wpa1 = 1; |
| } else { |
| usage(); |
| } |
| |
| if (os_strcmp(argv[2], "read") == 0) |
| wpa.test_oper = READ; |
| else if (os_strcmp(argv[2], "write") == 0) |
| wpa.test_oper = WRITE; |
| else |
| usage(); |
| |
| file = argv[3]; |
| |
| wpa.f = fopen(file, wpa.test_oper == READ ? "r" : "w"); |
| if (!wpa.f) |
| return -1; |
| |
| os_memset(wpa.auth_addr, 0x12, ETH_ALEN); |
| os_memset(wpa.supp_addr, 0x32, ETH_ALEN); |
| os_memset(wpa.psk, 0x44, PMK_LEN); |
| |
| if (eloop_init()) { |
| wpa_printf(MSG_ERROR, "Failed to initialize event loop"); |
| goto fail; |
| } |
| |
| if (auth_init_group(&wpa) < 0) |
| goto fail; |
| |
| if (supp_init(&wpa) < 0) |
| goto fail; |
| |
| if (auth_init(&wpa) < 0) |
| goto fail; |
| |
| wpa_printf(MSG_DEBUG, "Starting eloop"); |
| eloop_run(); |
| wpa_printf(MSG_DEBUG, "eloop done"); |
| |
| ret = 0; |
| fail: |
| deinit(&wpa); |
| fclose(wpa.f); |
| |
| eloop_destroy(); |
| |
| os_program_deinit(); |
| |
| return ret; |
| } |