return NULL;
}
-#if (defined(HAVE_RES_SEARCH) || defined(HAVE_RES_NSEARCH)) && defined(HAVE_DN_EXPAND)
+#if ((defined(HAVE_RES_SEARCH) || defined(HAVE_RES_NSEARCH)) && defined(HAVE_DN_EXPAND)) || defined(HAVE_WINDNS)
static void
dns_free_rr(struct rk_resource_record *rr)
free (r);
}
+#ifndef HAVE_WINDNS
+
static int
parse_record(const unsigned char *data, const unsigned char *end_data,
const unsigned char **pp, struct rk_resource_record **ret_rr)
return dns_lookup_int(domain, rk_ns_c_in, type);
}
+#endif /* !HAVE_WINDNS */
+
static int
compare_srv(const void *a, const void *b)
{
return;
}
+#ifdef HAVE_WINDNS
+
+#include <WinDNS.h>
+
+static struct rk_resource_record *
+parse_dns_record(PDNS_RECORD pRec)
+{
+ struct rk_resource_record * rr;
+
+ if (pRec == NULL)
+ return NULL;
+
+ rr = calloc(1, sizeof(*rr));
+
+ rr->domain = strdup(pRec->pName);
+ rr->type = pRec->wType;
+ rr->class = 0;
+ rr->ttl = pRec->dwTtl;
+ rr->size = 0;
+
+ switch (rr->type) {
+ case rk_ns_t_ns:
+ case rk_ns_t_cname:
+ case rk_ns_t_ptr:
+ rr->u.txt = strdup(pRec->Data.NS.pNameHost);
+ if(rr->u.txt == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+ break;
+
+ case rk_ns_t_mx:
+ case rk_ns_t_afsdb:{
+ size_t hostlen = strnlen(pRec->Data.MX.pNameExchange, DNS_MAX_NAME_LENGTH);
+
+ rr->u.mx = (struct mx_record *)malloc(sizeof(struct mx_record) +
+ hostlen);
+ if (rr->u.mx == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ strcpy_s(rr->u.mx->domain, hostlen + 1, pRec->Data.MX.pNameExchange);
+ rr->u.mx->preference = pRec->Data.MX.wPreference;
+ break;
+ }
+
+ case rk_ns_t_srv:{
+ size_t hostlen = strnlen(pRec->Data.SRV.pNameTarget, DNS_MAX_NAME_LENGTH);
+
+ rr->u.srv =
+ (struct srv_record*)malloc(sizeof(struct srv_record) +
+ hostlen);
+ if(rr->u.srv == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ rr->u.srv->priority = pRec->Data.SRV.wPriority;
+ rr->u.srv->weight = pRec->Data.SRV.wWeight;
+ rr->u.srv->port = pRec->Data.SRV.wPort;
+ strcpy_s(rr->u.srv->target, hostlen + 1, pRec->Data.SRV.pNameTarget);
+
+ break;
+ }
+
+ case rk_ns_t_txt:{
+ size_t len;
+
+ if (pRec->Data.TXT.dwStringCount == 0) {
+ rr->u.txt = strdup("");
+ break;
+ }
+
+ len = strnlen(pRec->Data.TXT.pStringArray[0], DNS_MAX_TEXT_STRING_LENGTH);
+
+ rr->u.txt = (char *)malloc(len + 1);
+ strcpy_s(rr->u.txt, len + 1, pRec->Data.TXT.pStringArray[0]);
+
+ break;
+ }
+
+ case rk_ns_t_key : {
+ size_t key_len;
+
+ if (pRec->wDataLength < 4) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ key_len = pRec->wDataLength - 4;
+ rr->u.key = malloc (sizeof(*rr->u.key) + key_len - 1);
+ if (rr->u.key == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ rr->u.key->flags = pRec->Data.KEY.wFlags;
+ rr->u.key->protocol = pRec->Data.KEY.chProtocol;
+ rr->u.key->algorithm = pRec->Data.KEY.chAlgorithm;
+ rr->u.key->key_len = key_len;
+ memcpy_s (rr->u.key->key_data, key_len,
+ pRec->Data.KEY.Key, key_len);
+ break;
+ }
+
+ case rk_ns_t_sig : {
+ size_t sig_len, hostlen;
+
+ if(pRec->wDataLength <= 18) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ sig_len = pRec->wDataLength;
+
+ hostlen = strnlen(pRec->Data.SIG.pNameSigner, DNS_MAX_NAME_LENGTH);
+
+ rr->u.sig = malloc(sizeof(*rr->u.sig)
+ + hostlen + sig_len);
+ if (rr->u.sig == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+ rr->u.sig->type = pRec->Data.SIG.wTypeCovered;
+ rr->u.sig->algorithm = pRec->Data.SIG.chAlgorithm;
+ rr->u.sig->labels = pRec->Data.SIG.chLabelCount;
+ rr->u.sig->orig_ttl = pRec->Data.SIG.dwOriginalTtl;
+ rr->u.sig->sig_expiration = pRec->Data.SIG.dwExpiration;
+ rr->u.sig->sig_inception = pRec->Data.SIG.dwTimeSigned;
+ rr->u.sig->key_tag = pRec->Data.SIG.wKeyTag;
+ rr->u.sig->sig_len = sig_len;
+ memcpy_s (rr->u.sig->sig_data, sig_len,
+ pRec->Data.SIG.Signature, sig_len);
+ rr->u.sig->signer = &rr->u.sig->sig_data[sig_len];
+ strcpy_s(rr->u.sig->signer, hostlen + 1, pRec->Data.SIG.pNameSigner);
+ break;
+ }
+
+#ifdef DNS_TYPE_DS
+ case rk_ns_t_ds: {
+ rr->u.ds = malloc (sizeof(*rr->u.ds) + pRec->Data.DS.wDigestLength - 1);
+ if (rr->u.ds == NULL) {
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ rr->u.ds->key_tag = pRec->Data.DS.wKeyTag;
+ rr->u.ds->algorithm = pRec->Data.DS.chAlgorithm;
+ rr->u.ds->digest_type = pRec->Data.DS.chDigestType;
+ rr->u.ds->digest_len = pRec->Data.DS.wDigestLength;
+ memcpy_s (rr->u.ds->digest_data, pRec->Data.DS.wDigestLength,
+ pRec->Data.DS.Digest, pRec->Data.DS.wDigestLength);
+ break;
+ }
+#endif
+
+ default:
+ dns_free_rr(rr);
+ return NULL;
+ }
+
+ rr->next = parse_dns_record(pRec->pNext);
+ return rr;
+}
+
+ROKEN_LIB_FUNCTION struct rk_dns_reply * ROKEN_LIB_CALL
+rk_dns_lookup(const char *domain, const char *type_name)
+{
+ DNS_STATUS status;
+ int type;
+ PDNS_RECORD pRec = NULL;
+ struct rk_dns_reply * r = NULL;
+
+ __try {
+
+ type = rk_dns_string_to_type(type_name);
+ if(type == -1) {
+ if(_resolve_debug)
+ fprintf(stderr, "dns_lookup: unknown resource type: `%s'\n",
+ type_name);
+ return NULL;
+ }
+
+ status = DnsQuery_UTF8(domain, type, DNS_QUERY_STANDARD, NULL,
+ &pRec, NULL);
+ if (status != ERROR_SUCCESS)
+ return NULL;
+
+ r = calloc(1, sizeof(*r));
+ r->q.domain = strdup(domain);
+ r->q.type = type;
+ r->q.class = 0;
+
+ r->head = parse_dns_record(pRec);
+
+ if (r->head == NULL) {
+ rk_dns_free_data(r);
+ return NULL;
+ } else {
+ return r;
+ }
+
+ } __finally {
+
+ if (pRec)
+ DnsRecordListFree(pRec, DnsFreeRecordList);
+
+ }
+}
+#endif /* HAVE_WINDNS */
+
#else /* NOT defined(HAVE_RES_SEARCH) && defined(HAVE_DN_EXPAND) */
ROKEN_LIB_FUNCTION struct rk_dns_reply * ROKEN_LIB_CALL
git.samba.org / mat / samba.git / blobdiff