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C++ eap_hdr_validate函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中eap_hdr_validate函数的典型用法代码示例。如果您正苦于以下问题：C++ eap_hdr_validate函数的具体用法？C++ eap_hdr_validate怎么用？C++ eap_hdr_validate使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了eap_hdr_validate函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: eap_identity_check

static Boolean eap_identity_check(struct eap_sm *sm, void *priv,
				  struct wpabuf *respData)
{
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
			       respData, &len);
	if (pos == NULL) {
		wpa_printf(MSG_INFO, "EAP-Identity: Invalid frame");
		return TRUE;
	}

	return FALSE;
}
开发者ID:9A9A，项目名称:wpa_supplicant-fork，代码行数:15，代码来源:eap_server_identity.c


示例2: eap_gpsk_process

static struct wpabuf * eap_gpsk_process(struct eap_sm *sm, void *priv,
					struct eap_method_ret *ret,
					const struct wpabuf *reqData)
{
	struct eap_gpsk_data *data = priv;
	struct wpabuf *resp;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, reqData, &len);
	if (pos == NULL || len < 1) {
		ret->ignore = TRUE;
		return NULL;
	}

	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode %d", *
开发者ID:jnfeinstein，项目名称:asuswrt-merlin，代码行数:16，代码来源:eap_gpsk.c


示例3: eap_aka_check

static Boolean eap_aka_check(struct eap_sm *sm, void *priv,
			     struct wpabuf *respData)
{
	struct eap_aka_data *data = priv;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, data->eap_method, respData,
			       &len);
	if (pos == NULL || len < 3) {
		wpa_printf(MSG_INFO, "EAP-AKA: Invalid frame");
		return TRUE;
	}

	return FALSE;
}
开发者ID:OpenPANA，项目名称:openpana，代码行数:16，代码来源:eap_server_aka.c


示例4: eap_sim_process

static void eap_sim_process(struct eap_sm *sm, void *priv,
			    struct wpabuf *respData)
{
	struct eap_sim_data *data = priv;
	const u8 *pos, *end;
	u8 subtype;
	size_t len;
	struct eap_sim_attrs attr;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SIM, respData, &len);
	if (pos == NULL || len < 3)
		return;

	end = pos + len;
	subtype = *pos;
	pos += 3;

	if (eap_sim_parse_attr(pos, end, &attr, 0, 0)) {
		wpa_printf(MSG_DEBUG, "EAP-SIM: Failed to parse attributes");
		eap_sim_state(data, FAILURE);
		return;
	}

	if (subtype == EAP_SIM_SUBTYPE_CLIENT_ERROR) {
		eap_sim_process_client_error(sm, data, respData, &attr);
		return;
	}

	switch (data->state) {
	case START:
		eap_sim_process_start(sm, data, respData, &attr);
		break;
	case CHALLENGE:
		eap_sim_process_challenge(sm, data, respData, &attr);
		break;
	case REAUTH:
		eap_sim_process_reauth(sm, data, respData, &attr);
		break;
	case NOTIFICATION:
		eap_sim_process_notification(sm, data, respData, &attr);
		break;
	default:
		wpa_printf(MSG_DEBUG, "EAP-SIM: Unknown state %d in "
			   "process", data->state);
		break;
	}
}
开发者ID:2014-class，项目名称:freerouter，代码行数:47，代码来源:eap_sim.c


示例5: eap_gtc_check

static Boolean eap_gtc_check(struct eap_sm *sm, void *priv,
			     u8 *respData, size_t respDataLen)
{
	const u8 *pos;
	size_t len;
	(void)sm;
	(void)priv;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GTC,
			       respData, respDataLen, &len);
	if (pos == NULL || len < 1) {
		wpa_printf(MSG_INFO, "EAP-GTC: Invalid frame");
		return TRUE;
	}

	return FALSE;
}
开发者ID:millken，项目名称:zhuxianB30，代码行数:17，代码来源:eap_gtc.c


示例6: eap_md5_check

static Boolean eap_md5_check(struct eap_sm *sm, void *priv, struct wpabuf *respData)
{
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5, respData, &len);
	if (pos == NULL || len < 1) {
		wpa_printf(MSG_INFO, "EAP-MD5: Invalid frame");
		return TRUE;
	}
	if (*pos != CHAP_MD5_LEN || 1 + CHAP_MD5_LEN > len) {
		wpa_printf(MSG_INFO, "EAP-MD5: Invalid response " "(response_len=%d payload_len=%lu", *pos, (unsigned long)len);
		return TRUE;
	}

	return FALSE;
}
开发者ID:drashti304，项目名称:TizenRT，代码行数:17，代码来源:eap_server_md5.c


示例7: eap_pwd_process

static struct wpabuf *
eap_pwd_process(struct eap_sm *sm, void *priv, struct eap_method_ret *ret,
		const struct wpabuf *reqData)
{
	struct eap_pwd_data *data = priv;
	struct wpabuf *resp = NULL;
	const u8 *pos;
	size_t len;
	u8 exch;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PWD, reqData, &len);
	if ((pos == NULL) || (len < 1)) {
		ret->ignore = TRUE;
		return NULL;
	}

	wpa_printf(MSG_INFO, "EAP-pwd: Received frame: opcode %d", *pos);

	ret->ignore = FALSE;
	ret->methodState = METHOD_MAY_CONT;
	ret->decision = DECISION_FAIL;
	ret->allowNotifications = FALSE;

	exch = *pos & 0x3f;
	switch (exch) {
        case EAP_PWD_OPCODE_ID_EXCH:
		resp = eap_pwd_perform_id_exchange(sm, data, ret, reqData,
						   pos + 1, len - 1);
		break;
        case EAP_PWD_OPCODE_COMMIT_EXCH:
		resp = eap_pwd_perform_commit_exchange(sm, data, ret, reqData,
						       pos + 1, len - 1);
		break;
        case EAP_PWD_OPCODE_CONFIRM_EXCH:
		resp = eap_pwd_perform_confirm_exchange(sm, data, ret, reqData,
							pos + 1, len - 1);
		break;
        default:
		wpa_printf(MSG_INFO, "EAP-pwd: Ignoring message with unknown "
			   "opcode %d", exch);
		break;
	}

	return resp;
}
开发者ID:09sea98，项目名称:rtl8188eu，代码行数:45，代码来源:eap_pwd.c


示例8: eap_server_tls_process

int eap_server_tls_process(struct eap_sm *sm, struct eap_ssl_data *data,
			   struct wpabuf *respData, void *priv, int eap_type,
			   int (*proc_version)(struct eap_sm *sm, void *priv,
					       int peer_version),
			   void (*proc_msg)(struct eap_sm *sm, void *priv,
					    const struct wpabuf *respData))
{
	const u8 *pos;
	u8 flags;
	size_t left;
	int ret, res = 0;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, eap_type, respData, &left);
	if (pos == NULL || left < 1)
		return 0; /* Should not happen - frame already validated */
	flags = *pos++;
	left--;
	wpa_printf(MSG_DEBUG, "SSL: Received packet(len=%lu) - Flags 0x%02x",
		   (unsigned long) wpabuf_len(respData), flags);

	if (proc_version &&
	    proc_version(sm, priv, flags & EAP_TLS_VERSION_MASK) < 0)
		return -1;

	ret = eap_server_tls_reassemble(data, flags, &pos, &left);
	if (ret < 0) {
		res = -1;
		goto done;
	} else if (ret == 1)
		return 0;

	if (proc_msg)
		proc_msg(sm, priv, respData);

	if (tls_connection_get_write_alerts(sm->ssl_ctx, data->conn) > 1) {
		wpa_printf(MSG_INFO, "SSL: Locally detected fatal error in "
			   "TLS processing");
		res = -1;
	}

done:
	eap_server_tls_free_in_buf(data);

	return res;
}
开发者ID:09sea98，项目名称:rtl8188eu，代码行数:45，代码来源:eap_server_tls_common.c


示例9: eap_gpsk_process

static u8 * eap_gpsk_process(struct eap_sm *sm, void *priv,
			    struct eap_method_ret *ret,
			    const u8 *reqData, size_t reqDataLen,
			    size_t *respDataLen)
{
	struct eap_gpsk_data *data = priv;
	u8 *resp;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK,
			       reqData, reqDataLen, &len);
	if (pos == NULL || len < 1) {
		ret->ignore = TRUE;
		return NULL;
	}

	wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode %d", *pos);

	ret->ignore = FALSE;
	ret->methodState = METHOD_MAY_CONT;
	ret->decision = DECISION_FAIL;
	ret->allowNotifications = FALSE;

	switch (*pos) {
	case EAP_GPSK_OPCODE_GPSK_1:
		resp = eap_gpsk_process_gpsk_1(sm, data, ret, reqData,
					       reqDataLen, pos + 1, len - 1,
					       respDataLen);
		break;
	case EAP_GPSK_OPCODE_GPSK_3:
		resp = eap_gpsk_process_gpsk_3(sm, data, ret, reqData,
					       reqDataLen, pos + 1, len - 1,
					       respDataLen);
		break;
	default:
		wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignoring message with "
			   "unknown opcode %d", *pos);
		ret->ignore = TRUE;
		return NULL;
	}

	return resp;
}
开发者ID:AxelLin，项目名称:Drv，代码行数:44，代码来源:eap_gpsk.c


示例10: eap_md5_process

static void eap_md5_process(struct eap_sm *sm, void *priv,
			    u8 *respData, size_t respDataLen)
{
	struct eap_md5_data *data = priv;
	struct eap_hdr *resp;
	const u8 *pos;
	const u8 *addr[3];
	size_t len[3], plen;
	u8 hash[MD5_MAC_LEN];

	if (sm->user == NULL || sm->user->password == NULL ||
	    sm->user->password_hash) {
		wpa_printf(MSG_INFO, "EAP-MD5: Plaintext password not "
			   "configured");
		data->state = FAILURE;
		return;
	}

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5,
			       respData, respDataLen, &plen);
	if (pos == NULL || *pos != MD5_MAC_LEN || plen < 1 + MD5_MAC_LEN)
		return; /* Should not happen - frame already validated */

	pos++; /* Skip response len */
	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Response", pos, MD5_MAC_LEN);

	resp = (struct eap_hdr *) respData;
	addr[0] = &resp->identifier;
	len[0] = 1;
	addr[1] = sm->user->password;
	len[1] = sm->user->password_len;
	addr[2] = data->challenge;
	len[2] = CHALLENGE_LEN;
	md5_vector(3, addr, len, hash);

	if (memcmp(hash, pos, MD5_MAC_LEN) == 0) {
		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Success");
		data->state = SUCCESS;
	} else {
		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Failure");
		data->state = FAILURE;
	}
}
开发者ID:millken，项目名称:zhuxianB30，代码行数:43，代码来源:eap_md5.c


示例11: eap_identity_process

static void eap_identity_process(struct eap_sm *sm, void *priv,
				 struct wpabuf *respData)
{
	struct eap_identity_data *data = priv;
	const u8 *pos;
	size_t len;
	char *buf;

	if (data->pick_up) {
		if (eap_identity_check(sm, data, respData)) {
			wpa_printf(MSG_DEBUG, "EAP-Identity: failed to pick "
				   "up already started negotiation");
			data->state = FAILURE;
			return;
		}
		data->pick_up = 0;
	}

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY,
			       respData, &len);
	if (pos == NULL)
		return; /* Should not happen - frame already validated */

	wpa_hexdump_ascii(MSG_DEBUG, "EAP-Identity: Peer identity", pos, len);
	buf = os_malloc(len * 4 + 1);
	if (buf) {
		printf_encode(buf, len * 4 + 1, pos, len);
		eap_log_msg(sm, "EAP-Response/Identity '%s'", buf);
		os_free(buf);
	}
	if (sm->identity)
		sm->update_user = TRUE;
	os_free(sm->identity);
	sm->identity = os_malloc(len ? len : 1);
	if (sm->identity == NULL) {
		data->state = FAILURE;
	} else {
		os_memcpy(sm->identity, pos, len);
		sm->identity_len = len;
		data->state = SUCCESS;
	}
}
开发者ID:9A9A，项目名称:wpa_supplicant-fork，代码行数:42，代码来源:eap_server_identity.c


示例12: eap_gpsk_process

static void eap_gpsk_process(struct eap_sm *sm, void *priv,
			     struct wpabuf *respData)
{
	struct eap_gpsk_data *data = priv;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len);
	if (pos == NULL || len < 1)
		return;

	switch (*pos) {
	case EAP_GPSK_OPCODE_GPSK_2:
		eap_gpsk_process_gpsk_2(sm, data, pos + 1, len - 1);
		break;
	case EAP_GPSK_OPCODE_GPSK_4:
		eap_gpsk_process_gpsk_4(sm, data, pos + 1, len - 1);
		break;
	}
}
开发者ID:2asoft，项目名称:freebsd，代码行数:20，代码来源:eap_server_gpsk.c


示例13: eap_mschapv2_check

static Boolean eap_mschapv2_check(struct eap_sm *sm, void *priv,
				  struct wpabuf *respData)
{
	struct eap_mschapv2_data *data = priv;
	struct eap_mschapv2_hdr *resp;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MSCHAPV2, respData,
			       &len);
	if (pos == NULL || len < 1) {
		wpa_printf(MSG_INFO, "EAP-MSCHAPV2: Invalid frame");
		return TRUE;
	}

	resp = (struct eap_mschapv2_hdr *) pos;
	if (data->state == CHALLENGE &&
	    resp->op_code != MSCHAPV2_OP_RESPONSE) {
		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Response - "
			   "ignore op %d", resp->op_code);
		return TRUE;
	}

	if (data->state == SUCCESS_REQ &&
	    resp->op_code != MSCHAPV2_OP_SUCCESS &&
	    resp->op_code != MSCHAPV2_OP_FAILURE) {
		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Success or "
			   "Failure - ignore op %d", resp->op_code);
		return TRUE;
	}

	if (data->state == FAILURE_REQ &&
	    resp->op_code != MSCHAPV2_OP_FAILURE) {
		wpa_printf(MSG_DEBUG, "EAP-MSCHAPV2: Expected Failure "
			   "- ignore op %d", resp->op_code);
		return TRUE;
	}

	return FALSE;
}
开发者ID:s0lst1c3，项目名称:hostapd-mana，代码行数:40，代码来源:eap_server_mschapv2.c


示例14: eap_psk_process

static struct wpabuf * eap_psk_process(struct eap_sm *sm, void *priv,
				       struct eap_method_ret *ret,
				       const struct wpabuf *reqData)
{
	struct eap_psk_data *data = priv;
	const u8 *pos;
	struct wpabuf *resp = NULL;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, reqData, &len);
	if (pos == NULL) {
		ret->ignore = TRUE;
		return NULL;
	}

	ret->ignore = FALSE;
	ret->methodState = METHOD_MAY_CONT;
	ret->decision = DECISION_FAIL;
	ret->allowNotifications = TRUE;

	switch (data->state) {
	case PSK_INIT:
		resp = eap_psk_process_1(data, ret, reqData);
		break;
	case PSK_MAC_SENT:
		resp = eap_psk_process_3(data, ret, reqData);
		break;
	case PSK_DONE:
		wpa_printf(MSG_DEBUG, "EAP-PSK: in DONE state - ignore "
			   "unexpected message");
		ret->ignore = TRUE;
		return NULL;
	}

	if (ret->methodState == METHOD_DONE) {
		ret->allowNotifications = FALSE;
	}

	return resp;
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:40，代码来源:eap_psk.c


示例15: eap_sake_process

static void eap_sake_process(struct eap_sm *sm, void *priv,
			     struct wpabuf *respData)
{
	struct eap_sake_data *data = priv;
	struct eap_sake_hdr *resp;
	u8 subtype;
	size_t len;
	const u8 *pos, *end;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_SAKE, respData, &len);
	if (pos == NULL || len < sizeof(struct eap_sake_hdr))
		return;

	resp = (struct eap_sake_hdr *) pos;
	end = pos + len;
	subtype = resp->subtype;
	pos = (u8 *) (resp + 1);

	wpa_hexdump(MSG_DEBUG, "EAP-SAKE: Received attributes",
		    pos, end - pos);

	switch (subtype) {
	case EAP_SAKE_SUBTYPE_IDENTITY:
		eap_sake_process_identity(sm, data, respData, pos, end - pos);
		break;
	case EAP_SAKE_SUBTYPE_CHALLENGE:
		eap_sake_process_challenge(sm, data, respData, pos, end - pos);
		break;
	case EAP_SAKE_SUBTYPE_CONFIRM:
		eap_sake_process_confirm(sm, data, respData, pos, end - pos);
		break;
	case EAP_SAKE_SUBTYPE_AUTH_REJECT:
		eap_sake_process_auth_reject(sm, data, respData, pos,
					     end - pos);
		break;
	}
}
开发者ID:inibir，项目名称:daemongroup，代码行数:37，代码来源:eap_sake.c


示例16: eap_psk_check

static Boolean eap_psk_check(struct eap_sm *sm, void *priv,
			     struct wpabuf *respData)
{
	struct eap_psk_data *data = priv;
	size_t len;
	u8 t;
	const u8 *pos;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PSK, respData, &len);
	if (pos == NULL || len < 1) {
		wpa_printf(MSG_INFO, "EAP-PSK: Invalid frame");
		return TRUE;
	}
	t = EAP_PSK_FLAGS_GET_T(*pos);

	wpa_printf(MSG_DEBUG, "EAP-PSK: received frame: T=%d", t);

	if (data->state == PSK_1 && t != 1) {
		wpa_printf(MSG_DEBUG, "EAP-PSK: Expected PSK-2 - "
			   "ignore T=%d", t);
		return TRUE;
	}

	if (data->state == PSK_3 && t != 3) {
		wpa_printf(MSG_DEBUG, "EAP-PSK: Expected PSK-4 - "
			   "ignore T=%d", t);
		return TRUE;
	}

	if ((t == 1 && len < sizeof(struct eap_psk_hdr_2)) ||
	    (t == 3 && len < sizeof(struct eap_psk_hdr_4))) {
		wpa_printf(MSG_DEBUG, "EAP-PSK: Too short frame");
		return TRUE;
	}

	return FALSE;
}
开发者ID:09sea98，项目名称:rtl8188eu，代码行数:37，代码来源:eap_server_psk.c


示例17: eap_md5_process

static void eap_md5_process(struct eap_sm *sm, void *priv, struct wpabuf *respData)
{
	struct eap_md5_data *data = priv;
	const u8 *pos;
	size_t plen;
	u8 hash[CHAP_MD5_LEN], id;

	if (sm->user == NULL || sm->user->password == NULL || sm->user->password_hash) {
		wpa_printf(MSG_INFO, "EAP-MD5: Plaintext password not " "configured");
		data->state = FAILURE;
		return;
	}

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_MD5, respData, &plen);
	if (pos == NULL || *pos != CHAP_MD5_LEN || plen < 1 + CHAP_MD5_LEN) {
		return;    /* Should not happen - frame already validated */
	}

	pos++;						/* Skip response len */
	wpa_hexdump(MSG_MSGDUMP, "EAP-MD5: Response", pos, CHAP_MD5_LEN);

	id = eap_get_id(respData);
	if (chap_md5(id, sm->user->password, sm->user->password_len, data->challenge, CHALLENGE_LEN, hash)) {
		wpa_printf(MSG_INFO, "EAP-MD5: CHAP MD5 operation failed");
		data->state = FAILURE;
		return;
	}

	if (os_memcmp_const(hash, pos, CHAP_MD5_LEN) == 0) {
		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Success");
		data->state = SUCCESS;
	} else {
		wpa_printf(MSG_DEBUG, "EAP-MD5: Done - Failure");
		data->state = FAILURE;
	}
}
开发者ID:drashti304，项目名称:TizenRT，代码行数:36，代码来源:eap_server_md5.c


示例18: eap_vendor_test_process

static void eap_vendor_test_process(struct eap_sm *sm, void *priv,
				    struct wpabuf *respData)
{
	struct eap_vendor_test_data *data = priv;
	const u8 *pos;
	size_t len;

	pos = eap_hdr_validate(EAP_VENDOR_ID, EAP_VENDOR_TYPE, respData, &len);
	if (pos == NULL || len < 1)
		return;

	if (data->state == INIT) {
		if (*pos == 2)
			eap_vendor_test_state(data, CONFIRM);
		else
			eap_vendor_test_state(data, FAILURE);
	} else if (data->state == CONFIRM) {
		if (*pos == 4)
			eap_vendor_test_state(data, SUCCESS);
		else
			eap_vendor_test_state(data, FAILURE);
	} else
		eap_vendor_test_state(data, FAILURE);
}
开发者ID:0x000000FF，项目名称:wpa_supplicant_for_edison，代码行数:24，代码来源:eap_server_vendor_test.c


示例19: eap_wsc_process

static void eap_wsc_process(struct eap_sm *sm, void *priv,
			    struct wpabuf *respData)
{
	struct eap_wsc_data *data = priv;
	const u8 *start, *pos, *end;
	size_t len;
	u8 op_code, flags;
	u16 message_length = 0;
	enum wps_process_res res;
	struct wpabuf tmpbuf;

	eloop_cancel_timeout(eap_wsc_ext_reg_timeout, sm, data);
	if (data->ext_reg_timeout) {
		eap_wsc_state(data, FAIL);
		return;
	}

	pos = eap_hdr_validate(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC,
			       respData, &len);
	if (pos == NULL || len < 2)
		return; /* Should not happen; message already verified */

	start = pos;
	end = start + len;

	op_code = *pos++;
	flags = *pos++;
	if (flags & WSC_FLAGS_LF) {
		if (end - pos < 2) {
			wpa_printf(MSG_DEBUG, "EAP-WSC: Message underflow");
			return;
		}
		message_length = WPA_GET_BE16(pos);
		pos += 2;

		if (message_length < end - pos) {
			wpa_printf(MSG_DEBUG, "EAP-WSC: Invalid Message "
				   "Length");
			return;
		}
	}

	wpa_printf(MSG_DEBUG, "EAP-WSC: Received packet: Op-Code %d "
		   "Flags 0x%x Message Length %d",
		   op_code, flags, message_length);

	if (data->state == WAIT_FRAG_ACK) {
		if (op_code != WSC_FRAG_ACK) {
			wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d "
				   "in WAIT_FRAG_ACK state", op_code);
			eap_wsc_state(data, FAIL);
			return;
		}
		wpa_printf(MSG_DEBUG, "EAP-WSC: Fragment acknowledged");
		eap_wsc_state(data, MESG);
		return;
	}

	if (op_code != WSC_ACK && op_code != WSC_NACK && op_code != WSC_MSG &&
	    op_code != WSC_Done) {
		wpa_printf(MSG_DEBUG, "EAP-WSC: Unexpected Op-Code %d",
			   op_code);
		eap_wsc_state(data, FAIL);
		return;
	}

	if (data->in_buf &&
	    eap_wsc_process_cont(data, pos, end - pos, op_code) < 0) {
		eap_wsc_state(data, FAIL);
		return;
	}

	if (flags & WSC_FLAGS_MF) {
		if (eap_wsc_process_fragment(data, flags, op_code,
					     message_length, pos, end - pos) <
		    0)
			eap_wsc_state(data, FAIL);
		else
			eap_wsc_state(data, FRAG_ACK);
		return;
	}

	if (data->in_buf == NULL) {
		/* Wrap unfragmented messages as wpabuf without extra copy */
		wpabuf_set(&tmpbuf, pos, end - pos);
		data->in_buf = &tmpbuf;
	}

	res = wps_process_msg(data->wps, op_code, data->in_buf);
	switch (res) {
	case WPS_DONE:
		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing completed "
			   "successfully - report EAP failure");
		eap_wsc_state(data, FAIL);
		break;
	case WPS_CONTINUE:
		eap_wsc_state(data, MESG);
		break;
	case WPS_FAILURE:
		wpa_printf(MSG_DEBUG, "EAP-WSC: WPS processing failed");
//.........这里部分代码省略.........
开发者ID:MultiNet-80211，项目名称:Hostapd，代码行数:101，代码来源:eap_server_wsc.c


示例20: eap_pwd_process

static struct wpabuf *
eap_pwd_process(struct eap_sm *sm, void *priv, struct eap_method_ret *ret,
		const struct wpabuf *reqData)
{
	struct eap_pwd_data *data = priv;
	struct wpabuf *resp = NULL;
	const u8 *pos, *buf;
	size_t len;
	u16 tot_len = 0;
	u8 lm_exch;

	pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PWD, reqData, &len);
	if ((pos == NULL) || (len < 1)) {
		wpa_printf(MSG_DEBUG, "EAP-pwd: Got a frame but pos is %s and "
			   "len is %d",
			   pos == NULL ? "NULL" : "not NULL", (int) len);
		ret->ignore = TRUE;
		return NULL;
	}

	ret->ignore = FALSE;
	ret->methodState = METHOD_MAY_CONT;
	ret->decision = DECISION_FAIL;
	ret->allowNotifications = FALSE;

	lm_exch = *pos;
	pos++;                  /* skip over the bits and the exch */
	len--;

	/*
	 * we're fragmenting so send out the next fragment
	 */
	if (data->out_frag_pos) {
		/*
		 * this should be an ACK
		 */
		if (len)
			wpa_printf(MSG_INFO, "Bad Response! Fragmenting but "
				   "not an ACK");

		wpa_printf(MSG_DEBUG, "EAP-pwd: Got an ACK for a fragment");
		/*
		 * check if there are going to be more fragments
		 */
		len = wpabuf_len(data->outbuf) - data->out_frag_pos;
		if ((len + EAP_PWD_HDR_SIZE) > data->mtu) {
			len = data->mtu - EAP_PWD_HDR_SIZE;
			EAP_PWD_SET_MORE_BIT(lm_exch);
		}
		resp = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PWD,
				     EAP_PWD_HDR_SIZE + len,
				     EAP_CODE_RESPONSE, eap_get_id(reqData));
		if (resp == NULL) {
			wpa_printf(MSG_INFO, "Unable to allocate memory for "
				   "next fragment!");
			return NULL;
		}
		wpabuf_put_u8(resp, lm_exch);
		buf = wpabuf_head_u8(data->outbuf);
		wpabuf_put_data(resp, buf + data->out_frag_pos, len);
		data->out_frag_pos += len;
		/*
		 * this is the last fragment so get rid of the out buffer
		 */
		if (data->out_frag_pos >= wpabuf_len(data->outbuf)) {
			wpabuf_free(data->outbuf);
			data->outbuf = NULL;
			data->out_frag_pos = 0;
		}
		wpa_printf(MSG_DEBUG, "EAP-pwd: Send %s fragment of %d bytes",
			   data->out_frag_pos == 0 ? "last" : "next",
			   (int) len);
		return resp;
	}

	/*
	 * see if this is a fragment that needs buffering
	 *
	 * if it's the first fragment there'll be a length field
	 */
	if (EAP_PWD_GET_LENGTH_BIT(lm_exch)) {
		tot_len = WPA_GET_BE16(pos);
		wpa_printf(MSG_DEBUG, "EAP-pwd: Incoming fragments whose "
			   "total length = %d", tot_len);
		data->inbuf = wpabuf_alloc(tot_len);
		if (data->inbuf == NULL) {
			wpa_printf(MSG_INFO, "Out of memory to buffer "
				   "fragments!");
			return NULL;
		}
		pos += sizeof(u16);
		len -= sizeof(u16);
	}
	/*
	 * buffer and ACK the fragment
	 */
	if (EAP_PWD_GET_MORE_BIT(lm_exch)) {
		data->in_frag_pos += len;
		if (data->in_frag_pos > wpabuf_size(data->inbuf)) {
			wpa_printf(MSG_INFO, "EAP-pwd: Buffer overflow attack "
//.........这里部分代码省略.........
开发者ID:0x000000FF，项目名称:wpa_supplicant_for_edison，代码行数:101，代码来源:eap_pwd.c



注：本文中的eap_hdr_validate函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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