C++ (Cpp) LWRES_LIST_APPEND Beispiele

Beispiel #1

static void
setup_addresses(ns_lwdclient_t *client, dns_adbfind_t *find, unsigned int at) {
	dns_adbaddrinfo_t *ai;
	lwres_addr_t *addr;
	int af;
	const struct sockaddr *sa;
	isc_result_t result;

	if (at == DNS_ADBFIND_INET)
		af = AF_INET;
	else
		af = AF_INET6;

	ai = ISC_LIST_HEAD(find->list);
	while (ai != NULL && client->gabn.naddrs < LWRES_MAX_ADDRS) {
		sa = &ai->sockaddr.type.sa;
		if (sa->sa_family != af)
			goto next;

		addr = &client->addrs[client->gabn.naddrs];

		result = lwaddr_lwresaddr_fromsockaddr(addr, &ai->sockaddr);
		if (result != ISC_R_SUCCESS)
			goto next;

		ns_lwdclient_log(50, "adding address %p, family %d, length %d",
				 addr->address, addr->family, addr->length);

		client->gabn.naddrs++;
		REQUIRE(!LWRES_LINK_LINKED(addr, link));
		LWRES_LIST_APPEND(client->gabn.addrs, addr, link);

	next:
		ai = ISC_LIST_NEXT(ai, publink);
	}
}

Beispiel #2

Datei: lwres_gabn.c Projekt: crossbuild/bind

lwres_result_t
lwres_gabnresponse_parse(lwres_context_t *ctx, lwres_buffer_t *b,
			lwres_lwpacket_t *pkt, lwres_gabnresponse_t **structp)
{
	lwres_result_t ret;
	unsigned int x;
	lwres_uint32_t flags;
	lwres_uint16_t naliases;
	lwres_uint16_t naddrs;
	lwres_gabnresponse_t *gabn;
	lwres_addrlist_t addrlist;
	lwres_addr_t *addr;

	REQUIRE(ctx != NULL);
	REQUIRE(pkt != NULL);
	REQUIRE(b != NULL);
	REQUIRE(structp != NULL && *structp == NULL);

	gabn = NULL;

	if ((pkt->pktflags & LWRES_LWPACKETFLAG_RESPONSE) == 0)
		return (LWRES_R_FAILURE);

	/*
	 * Pull off the name itself
	 */
	if (!SPACE_REMAINING(b, 4 + 2 + 2))
		return (LWRES_R_UNEXPECTEDEND);
	flags = lwres_buffer_getuint32(b);
	naliases = lwres_buffer_getuint16(b);
	naddrs = lwres_buffer_getuint16(b);

	gabn = CTXMALLOC(sizeof(lwres_gabnresponse_t));
	if (gabn == NULL)
		return (LWRES_R_NOMEMORY);
	gabn->aliases = NULL;
	gabn->aliaslen = NULL;
	LWRES_LIST_INIT(gabn->addrs);
	gabn->base = NULL;

	gabn->flags = flags;
	gabn->naliases = naliases;
	gabn->naddrs = naddrs;

	LWRES_LIST_INIT(addrlist);

	if (naliases > 0) {
		gabn->aliases = CTXMALLOC(sizeof(char *) * naliases);
		if (gabn->aliases == NULL) {
			ret = LWRES_R_NOMEMORY;
			goto out;
		}

		gabn->aliaslen = CTXMALLOC(sizeof(lwres_uint16_t) * naliases);
		if (gabn->aliaslen == NULL) {
			ret = LWRES_R_NOMEMORY;
			goto out;
		}
	}

	for (x = 0; x < naddrs; x++) {
		addr = CTXMALLOC(sizeof(lwres_addr_t));
		if (addr == NULL) {
			ret = LWRES_R_NOMEMORY;
			goto out;
		}
		LWRES_LINK_INIT(addr, link);
		LWRES_LIST_APPEND(addrlist, addr, link);
	}

	/*
	 * Now, pull off the real name.
	 */
	ret = lwres_string_parse(b, &gabn->realname, &gabn->realnamelen);
	if (ret != LWRES_R_SUCCESS)
		goto out;

	/*
	 * Parse off the aliases.
	 */
	for (x = 0; x < gabn->naliases; x++) {
		ret = lwres_string_parse(b, &gabn->aliases[x],
					 &gabn->aliaslen[x]);
		if (ret != LWRES_R_SUCCESS)
			goto out;
	}

	/*
	 * Pull off the addresses.  We already strung the linked list
	 * up above.
	 */
	addr = LWRES_LIST_HEAD(addrlist);
	for (x = 0; x < gabn->naddrs; x++) {
		INSIST(addr != NULL);
		ret = lwres_addr_parse(b, addr);
		if (ret != LWRES_R_SUCCESS)
			goto out;
		addr = LWRES_LIST_NEXT(addr, link);
	}

	if (LWRES_BUFFER_REMAINING(b) != 0) {
		ret = LWRES_R_TRAILINGDATA;
		goto out;
	}

	gabn->addrs = addrlist;

	*structp = gabn;
	return (LWRES_R_SUCCESS);

 out:
	if (gabn != NULL) {
		if (gabn->aliases != NULL)
			CTXFREE(gabn->aliases, sizeof(char *) * naliases);
		if (gabn->aliaslen != NULL)
			CTXFREE(gabn->aliaslen,
				sizeof(lwres_uint16_t) * naliases);
		addr = LWRES_LIST_HEAD(addrlist);
		while (addr != NULL) {
			LWRES_LIST_UNLINK(addrlist, addr, link);
			CTXFREE(addr, sizeof(lwres_addr_t));
			addr = LWRES_LIST_HEAD(addrlist);
		}
		CTXFREE(gabn, sizeof(lwres_gabnresponse_t));
	}

	return (ret);
}