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C++ ibuf_data函数代码示例

本文整理汇总了C++中ibuf_data函数的典型用法代码示例。如果您正苦于以下问题：C++ ibuf_data函数的具体用法？C++ ibuf_data怎么用？C++ ibuf_data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ibuf_data函数的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: cipher_init

void
cipher_init(struct iked_cipher *encr, int enc)
{
	EVP_CipherInit_ex(encr->encr_ctx, encr->encr_priv, NULL,
	    ibuf_data(encr->encr_key), ibuf_data(encr->encr_iv), enc);
	EVP_CIPHER_CTX_set_padding(encr->encr_ctx, 0);
}
开发者ID:jymigeon，项目名称:openiked，代码行数:7，代码来源:crypto.c

示例2: ikev2_msg_auth

struct ibuf *
ikev2_msg_auth(struct iked *env, struct iked_sa *sa, int response)
{
	struct ibuf		*authmsg = NULL, *nonce, *prfkey, *buf;
	uint8_t			*ptr;
	struct iked_id		*id;
	size_t			 tmplen;

	/*
	 * Create the payload to be signed/MAC'ed for AUTH
	 */

	if (!response) {
		if ((nonce = sa->sa_rnonce) == NULL ||
		    (sa->sa_iid.id_type == 0) ||
		    (prfkey = sa->sa_key_iprf) == NULL ||
		    (buf = sa->sa_1stmsg) == NULL)
			return (NULL);
		id = &sa->sa_iid;
	} else {
		if ((nonce = sa->sa_inonce) == NULL ||
		    (sa->sa_rid.id_type == 0) ||
		    (prfkey = sa->sa_key_rprf) == NULL ||
		    (buf = sa->sa_2ndmsg) == NULL)
			return (NULL);
		id = &sa->sa_rid;
	}

	if ((authmsg = ibuf_dup(buf)) == NULL)
		return (NULL);
	if (ibuf_cat(authmsg, nonce) != 0)
		goto fail;

	if ((hash_setkey(sa->sa_prf, ibuf_data(prfkey),
	    ibuf_size(prfkey))) == NULL)
		goto fail;

	if ((ptr = ibuf_advance(authmsg,
	    hash_length(sa->sa_prf))) == NULL)
		goto fail;

	hash_init(sa->sa_prf);
	hash_update(sa->sa_prf, ibuf_data(id->id_buf), ibuf_size(id->id_buf));
	hash_final(sa->sa_prf, ptr, &tmplen);

	if (tmplen != hash_length(sa->sa_prf))
		goto fail;

	log_debug("%s: %s auth data length %zu",
	    __func__, response ? "responder" : "initiator",
	    ibuf_size(authmsg));
	print_hex(ibuf_data(authmsg), 0, ibuf_size(authmsg));

	return (authmsg);

 fail:
	ibuf_release(authmsg);
	return (NULL);
}
开发者ID:xcllnt，项目名称:openiked，代码行数:59，代码来源:ikev2_msg.c

示例3: ikev2_validate_xform

int
ikev2_validate_xform(struct iked_message *msg, size_t offset, size_t total,
    struct ikev2_transform *xfrm)
{
	u_int8_t	*msgbuf = ibuf_data(msg->msg_data);
	size_t		 xfrm_length;

	if (total < sizeof(*xfrm)) {
		log_debug("%s: payload malformed: too short for header "
		    "(%zu < %zu)", __func__, total, sizeof(*xfrm));
		return (-1);
	}
	memcpy(xfrm, msgbuf + offset, sizeof(*xfrm));

	xfrm_length = betoh16(xfrm->xfrm_length);
	if (xfrm_length < sizeof(*xfrm)) {
		log_debug("%s: payload malformed: shorter than minimal header "
		    "(%zu < %zu)", __func__, xfrm_length, sizeof(*xfrm));
		return (-1);
	}
	if (total < xfrm_length) {
		log_debug("%s: malformed payload: too long for payload size "
		    "(%zu < %zu)", __func__, total, xfrm_length);
		return (-1);
	}

	return (0);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:28，代码来源:ikev2_pld.c

示例4: ikev2_msg_send

int
ikev2_msg_send(struct iked *env, struct iked_message *msg)
{
	struct ibuf		*buf = msg->msg_data;
	u_int32_t		 natt = 0x00000000;
	struct ike_header	*hdr;

	if (buf == NULL || (hdr = ibuf_seek(msg->msg_data,
	    msg->msg_offset, sizeof(*hdr))) == NULL)
		return (-1);

	log_info("%s: %s from %s to %s, %ld bytes", __func__,
	    print_map(hdr->ike_exchange, ikev2_exchange_map),
	    print_host(&msg->msg_local, NULL, 0),
	    print_host(&msg->msg_peer, NULL, 0),
	    ibuf_length(buf));

	if (msg->msg_natt || (msg->msg_sa && msg->msg_sa->sa_natt)) {
		if (ibuf_prepend(buf, &natt, sizeof(natt)) == -1) {
			log_debug("%s: failed to set NAT-T", __func__);
			return (-1);
		}
	}

	if ((sendto(msg->msg_fd, ibuf_data(buf), ibuf_size(buf), 0,
	    (struct sockaddr *)&msg->msg_peer, msg->msg_peerlen)) == -1) {
		log_warn("%s: sendto", __func__);
		return (-1);
	}

	return (0);
}
开发者ID:sofuture，项目名称:bitrig，代码行数:32，代码来源:ikev2_msg.c

示例5: ikev2_msg_retransmit_timeout

void
ikev2_msg_retransmit_timeout(struct iked *env, void *arg)
{
	struct iked_message	*msg = arg;
	struct iked_sa		*sa = msg->msg_sa;

	if (msg->msg_tries < IKED_RETRANSMIT_TRIES) {
		if (sendtofrom(msg->msg_fd, ibuf_data(msg->msg_data),
		    ibuf_size(msg->msg_data), 0,
		    (struct sockaddr *)&msg->msg_peer, msg->msg_peerlen,
		    (struct sockaddr *)&msg->msg_local,
		    msg->msg_locallen) == -1) {
			log_warn("%s: sendtofrom", __func__);
			sa_free(env, sa);
			return;
		}
		/* Exponential timeout */
		timer_add(env, &msg->msg_timer,
		    IKED_RETRANSMIT_TIMEOUT * (2 << (msg->msg_tries++)));
	} else {
		log_debug("%s: retransmit limit reached for msgid %u",
		    __func__, msg->msg_msgid);
		sa_free(env, sa);
	}
}
开发者ID:xcllnt，项目名称:openiked，代码行数:25，代码来源:ikev2_msg.c

示例6: ikev1_recv

void
ikev1_recv(struct iked *env, struct iked_message *msg)
{
	struct ike_header	*hdr;

	if (ibuf_size(msg->msg_data) <= sizeof(*hdr)) {
		log_debug("%s: short message", __func__);
		return;
	}

	hdr = (struct ike_header *)ibuf_data(msg->msg_data);

	log_debug("%s: header ispi %s rspi %s"
	    " nextpayload %u version 0x%02x exchange %u flags 0x%02x"
	    " msgid %u length %u", __func__,
	    print_spi(betoh64(hdr->ike_ispi), 8),
	    print_spi(betoh64(hdr->ike_rspi), 8),
	    hdr->ike_nextpayload,
	    hdr->ike_version,
	    hdr->ike_exchange,
	    hdr->ike_flags,
	    betoh32(hdr->ike_msgid),
	    betoh32(hdr->ike_length));

	log_debug("%s: IKEv1 not supported", __func__);
}
开发者ID:xcllnt，项目名称:openiked，代码行数:26，代码来源:ikev2_msg.c

示例7: ca_x509_subjectaltname_cmp

int
ca_x509_subjectaltname_cmp(X509 *cert, struct iked_static_id *id)
{
	struct iked_id	 sanid;
	char		 idstr[IKED_ID_SIZE];
	int		 ret = -1;

	bzero(&sanid, sizeof(sanid));

	if (ca_x509_subjectaltname(cert, &sanid) != 0)
		return (-1);

	ikev2_print_id(&sanid, idstr, sizeof(idstr));

	/* Compare id types, length and data */
	if ((id->id_type != sanid.id_type) ||
	    ((ssize_t)ibuf_size(sanid.id_buf) !=
	    (id->id_length - id->id_offset)) ||
	    (memcmp(id->id_data + id->id_offset,
	    ibuf_data(sanid.id_buf),
	    ibuf_size(sanid.id_buf)) != 0)) {
		log_debug("%s: %s mismatched", __func__, idstr);
		goto done;
	}

	ret = 0;
 done:
	ibuf_release(sanid.id_buf);
	return (ret);
}
开发者ID:ajinkya93，项目名称:OpenBSD，代码行数:30，代码来源:ca.c

示例8: ikev2_validate_auth

int
ikev2_validate_auth(struct iked_message *msg, size_t offset, size_t left,
    struct ikev2_payload *pld, struct ikev2_auth *auth)
{
	u_int8_t	*msgbuf = ibuf_data(msg->msg_data);
	size_t		 pld_length;

	pld_length = betoh16(pld->pld_length);
	if (pld_length < sizeof(*pld) + sizeof(*auth)) {
		log_debug("%s: malformed payload: specified length smaller "
		    "than minimum size (%zu < %zu)", __func__, pld_length,
		    sizeof(*pld) + sizeof(*auth));
		return (-1);
	}

	/* This will actually be caught by earlier checks. */
	if (left < sizeof(*auth)) {
		log_debug("%s: malformed payload: too short for header "
		    "(%zu < %zu)", __func__, left, sizeof(*auth));
		return (-1);
	}
	memcpy(auth, msgbuf + offset, sizeof(*auth));

	return (0);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:25，代码来源:ikev2_pld.c

示例9: ikev2_msg_send

int
ikev2_msg_send(struct iked *env, struct iked_message *msg)
{
	struct iked_sa		*sa = msg->msg_sa;
	struct ibuf		*buf = msg->msg_data;
	u_int32_t		 natt = 0x00000000;
	int			 isnatt = 0;
	struct ike_header	*hdr;
	struct iked_message	*m;

	if (buf == NULL || (hdr = ibuf_seek(msg->msg_data,
	    msg->msg_offset, sizeof(*hdr))) == NULL)
		return (-1);

	isnatt = (msg->msg_natt || (msg->msg_sa && msg->msg_sa->sa_natt));

	log_info("%s: %s from %s to %s, %ld bytes%s", __func__,
	    print_map(hdr->ike_exchange, ikev2_exchange_map),
	    print_host(&msg->msg_local, NULL, 0),
	    print_host(&msg->msg_peer, NULL, 0),
	    ibuf_length(buf), isnatt ? ", NAT-T" : "");

	if (isnatt) {
		if (ibuf_prepend(buf, &natt, sizeof(natt)) == -1) {
			log_debug("%s: failed to set NAT-T", __func__);
			return (-1);
		}
		msg->msg_offset += sizeof(natt);
	}

	if ((sendto(msg->msg_fd, ibuf_data(buf), ibuf_size(buf), 0,
	    (struct sockaddr *)&msg->msg_peer, msg->msg_peerlen)) == -1) {
		log_warn("%s: sendto", __func__);
		return (-1);
	}

	if (!sa)
		return (0);

	if ((m = ikev2_msg_copy(env, msg)) == NULL) {
		log_debug("%s: failed to copy a message", __func__);
		return (-1);
	}
	m->msg_exchange = hdr->ike_exchange;

	if (hdr->ike_flags & IKEV2_FLAG_RESPONSE) {
		TAILQ_INSERT_TAIL(&sa->sa_responses, m, msg_entry);
		timer_initialize(env, &m->msg_timer,
		    ikev2_msg_response_timeout, m);
		timer_register(env, &m->msg_timer, IKED_RESPONSE_TIMEOUT);
	} else {
		TAILQ_INSERT_TAIL(&sa->sa_requests, m, msg_entry);
		timer_initialize(env, &m->msg_timer,
		    ikev2_msg_retransmit_timeout, m);
		timer_register(env, &m->msg_timer, IKED_RETRANSMIT_TIMEOUT);
	}

	return (0);
}
开发者ID:bsdoliv，项目名称:iked-fork，代码行数:59，代码来源:ikev2_msg.c

示例10: ikev2_pld_id

int
ikev2_pld_id(struct iked *env, struct ikev2_payload *pld,
    struct iked_message *msg, size_t offset, size_t left, u_int payload)
{
	u_int8_t			*ptr;
	struct ikev2_id			 id;
	size_t				 len;
	struct iked_id			*idp, idb;
	struct iked_sa			*sa = msg->msg_sa;
	u_int8_t			*msgbuf = ibuf_data(msg->msg_data);
	char				 idstr[IKED_ID_SIZE];

	if (ikev2_validate_id(msg, offset, left, pld, &id))
		return (-1);

	bzero(&idb, sizeof(idb));

	/* Don't strip the Id payload header */
	ptr = msgbuf + offset;
	len = betoh16(pld->pld_length) - sizeof(*pld);

	idb.id_type = id.id_type;
	idb.id_offset = sizeof(id);
	if ((idb.id_buf = ibuf_new(ptr, len)) == NULL)
		return (-1);

	if (ikev2_print_id(&idb, idstr, sizeof(idstr)) == -1) {
		log_debug("%s: malformed id", __func__);
		return (-1);
	}

	log_debug("%s: id %s length %zu", __func__, idstr, len);

	if (!ikev2_msg_frompeer(msg)) {
		ibuf_release(idb.id_buf);
		return (0);
	}

	if (!((sa->sa_hdr.sh_initiator && payload == IKEV2_PAYLOAD_IDr) ||
	    (!sa->sa_hdr.sh_initiator && payload == IKEV2_PAYLOAD_IDi))) {
		log_debug("%s: unexpected id payload", __func__);
		return (0);
	}

	idp = &msg->msg_parent->msg_id;
	if (idp->id_type) {
		log_debug("%s: duplicate id payload", __func__);
		return (-1);
	}

	idp->id_buf = idb.id_buf;
	idp->id_offset = idb.id_offset;
	idp->id_type = idb.id_type;

	return (0);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:56，代码来源:ikev2_pld.c

示例11: ikev2_msg_integr

int
ikev2_msg_integr(struct iked *env, struct iked_sa *sa, struct ibuf *src)
{
	int			 ret = -1;
	size_t			 integrlen, tmplen;
	struct ibuf		*integr, *prf, *tmp = NULL;
	u_int8_t		*ptr;

	log_debug("%s: message length %d", __func__, ibuf_size(src));
	print_hex(ibuf_data(src), 0, ibuf_size(src));

	if (sa == NULL ||
	    sa->sa_integr == NULL) {
		log_debug("%s: invalid SA", __func__);
		return (-1);
	}

	if (sa->sa_hdr.sh_initiator) {
		integr = sa->sa_key_iauth;
		prf = sa->sa_key_iprf;
	} else {
		integr = sa->sa_key_rauth;
		prf = sa->sa_key_rprf;
	}

	integrlen = hash_length(sa->sa_integr);

	log_debug("%s: integrity checksum length %d", __func__,
	    integrlen);

	/*
	 * Validate packet checksum
	 */
	if ((tmp = ibuf_new(NULL, hash_keylength(sa->sa_integr))) == NULL)
		goto done;

	hash_setkey(sa->sa_integr, ibuf_data(integr), ibuf_size(integr));
	hash_init(sa->sa_integr);
	hash_update(sa->sa_integr, ibuf_data(src),
	    ibuf_size(src) - integrlen);
	hash_final(sa->sa_integr, ibuf_data(tmp), &tmplen);

	if (tmplen != integrlen) {
		log_debug("%s: hash failure", __func__);
		goto done;
	}

	if ((ptr = ibuf_seek(src,
	    ibuf_size(src) - integrlen, integrlen)) == NULL)
		goto done;
	memcpy(ptr, ibuf_data(tmp), tmplen);

	print_hex(ibuf_data(tmp), 0, ibuf_size(tmp));

	ret = 0;
 done:
	ibuf_release(tmp);

	return (ret);
}
开发者ID:sofuture，项目名称:bitrig，代码行数:60，代码来源:ikev2_msg.c

示例12: ikev2_pld_certreq

int
ikev2_pld_certreq(struct iked *env, struct ikev2_payload *pld,
    struct iked_message *msg, size_t offset, size_t left)
{
	struct iked_sa			*sa = msg->msg_sa;
	struct ikev2_cert		 cert;
	u_int8_t			*buf;
	ssize_t				 len;
	u_int8_t			*msgbuf = ibuf_data(msg->msg_data);

	if (ikev2_validate_certreq(msg, offset, left, pld, &cert))
		return (-1);
	offset += sizeof(cert);

	buf = msgbuf + offset;
	len = betoh16(pld->pld_length) - sizeof(*pld) - sizeof(cert);

	log_debug("%s: type %s length %zd",
	    __func__, print_map(cert.cert_type, ikev2_cert_map), len);

	/* This will actually be caught by earlier checks. */
	if (len < 0) {
		log_debug("%s: invalid certificate request length", __func__);
		return (-1);
	}

	print_hex(buf, 0, len);

	if (!ikev2_msg_frompeer(msg))
		return (0);

	if (cert.cert_type == IKEV2_CERT_X509_CERT) {
		if (!len || (len % SHA_DIGEST_LENGTH) != 0) {
			log_debug("%s: invalid certificate request", __func__);
			return (-1);
		}
	}

	if (msg->msg_sa == NULL)
		return (-1);

	/* Optional certreq for PSK */
	if (sa->sa_hdr.sh_initiator)
		sa->sa_stateinit |= IKED_REQ_CERT;
	else
		sa->sa_statevalid |= IKED_REQ_CERT;

	ca_setreq(env, &sa->sa_hdr, &sa->sa_policy->pol_localid,
	    cert.cert_type, buf, len, PROC_CERT);

	return (0);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:52，代码来源:ikev2_pld.c

示例13: ikev2_msg_retransmit_response

int
ikev2_msg_retransmit_response(struct iked *env, struct iked_sa *sa,
                              struct iked_message *msg)
{
    if ((sendto(msg->msg_fd, ibuf_data(msg->msg_data),
                ibuf_size(msg->msg_data), 0, (struct sockaddr *)&msg->msg_peer,
                msg->msg_peerlen)) == -1) {
        log_warn("%s: sendto", __func__);
        return (-1);
    }

    timer_add(env, &msg->msg_timer, IKED_RESPONSE_TIMEOUT);
    return (0);
}
开发者ID:jymigeon，项目名称:openiked，代码行数:14，代码来源:ikev2_msg.c

示例14: ikev2_validate_attr

int
ikev2_validate_attr(struct iked_message *msg, size_t offset, size_t total,
    struct ikev2_attribute *attr)
{
	u_int8_t	*msgbuf = ibuf_data(msg->msg_data);

	if (total < sizeof(*attr)) {
		log_debug("%s: payload malformed: too short for header "
		    "(%zu < %zu)", __func__, total, sizeof(*attr));
		return (-1);
	}
	memcpy(attr, msgbuf + offset, sizeof(*attr));

	return (0);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:15，代码来源:ikev2_pld.c

示例15: ikev2_pld_attr

int
ikev2_pld_attr(struct iked *env, struct ikev2_transform *xfrm,
    struct iked_message *msg, size_t offset, size_t total)
{
	struct ikev2_attribute		 attr;
	u_int				 type;
	u_int8_t			*msgbuf = ibuf_data(msg->msg_data);
	int				 ret = 0;
	size_t				 attr_length;

	if (ikev2_validate_attr(msg, offset, total, &attr))
		return (-1);

	type = betoh16(attr.attr_type) & ~IKEV2_ATTRAF_TV;

	log_debug("%s: attribute type %s length %d total %zu",
	    __func__, print_map(type, ikev2_attrtype_map),
	    betoh16(attr.attr_length), total);

	if (betoh16(attr.attr_type) & IKEV2_ATTRAF_TV) {
		/* Type-Value attribute */
		offset += sizeof(attr);
		total -= sizeof(attr);

		if (type == IKEV2_ATTRTYPE_KEY_LENGTH)
			msg->msg_attrlength = betoh16(attr.attr_length);
	} else {
		/* Type-Length-Value attribute */
		attr_length = betoh16(attr.attr_length);
		if (total < attr_length) {
			log_debug("%s: payload malformed: attribute larger "
			    "than actual payload (%zu < %zu)", __func__,
			    total, attr_length);
			return (-1);
		}
		print_hex(msgbuf, offset + sizeof(attr),
		    attr_length - sizeof(attr));
		offset += attr_length;
		total -= attr_length;
	}

	if (total > 0) {
		/* Next attribute */
		ret = ikev2_pld_attr(env, xfrm, msg, offset, total);
	}

	return (ret);
}
开发者ID:toddfries，项目名称:OpenBSD-sbin-patches，代码行数:48，代码来源:ikev2_pld.c


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