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-rw-r--r--lib/dns/rdata/in_1/wks_11.c412
1 files changed, 412 insertions, 0 deletions
diff --git a/lib/dns/rdata/in_1/wks_11.c b/lib/dns/rdata/in_1/wks_11.c
new file mode 100644
index 0000000..0dc5804
--- /dev/null
+++ b/lib/dns/rdata/in_1/wks_11.c
@@ -0,0 +1,412 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#ifndef RDATA_IN_1_WKS_11_C
+#define RDATA_IN_1_WKS_11_C
+
+#include <limits.h>
+#include <stdlib.h>
+
+#include <isc/net.h>
+#include <isc/netdb.h>
+#include <isc/once.h>
+
+/*
+ * Redefine CHECK here so cppcheck "sees" the define.
+ */
+#ifndef CHECK
+#define CHECK(op) \
+ do { result = (op); \
+ if (result != ISC_R_SUCCESS) goto cleanup; \
+ } while (0)
+#endif
+
+#define RRTYPE_WKS_ATTRIBUTES (0)
+
+static isc_mutex_t wks_lock;
+
+static void init_lock(void) {
+ RUNTIME_CHECK(isc_mutex_init(&wks_lock) == ISC_R_SUCCESS);
+}
+
+static bool
+mygetprotobyname(const char *name, long *proto) {
+ struct protoent *pe;
+
+ LOCK(&wks_lock);
+ pe = getprotobyname(name);
+ if (pe != NULL)
+ *proto = pe->p_proto;
+ UNLOCK(&wks_lock);
+ return (pe != NULL);
+}
+
+static bool
+mygetservbyname(const char *name, const char *proto, long *port) {
+ struct servent *se;
+
+ LOCK(&wks_lock);
+ se = getservbyname(name, proto);
+ if (se != NULL)
+ *port = ntohs(se->s_port);
+ UNLOCK(&wks_lock);
+ return (se != NULL);
+}
+
+#ifdef _WIN32
+#include <windows.h>
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#endif
+
+static inline isc_result_t
+fromtext_in_wks(ARGS_FROMTEXT) {
+ static isc_once_t once = ISC_ONCE_INIT;
+ isc_token_t token;
+ isc_region_t region;
+ struct in_addr addr;
+ char *e;
+ long proto;
+ unsigned char bm[8*1024]; /* 64k bits */
+ long port;
+ long maxport = -1;
+ const char *ps = NULL;
+ unsigned int n;
+ char service[32];
+ int i;
+ isc_result_t result;
+
+ REQUIRE(type == dns_rdatatype_wks);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(type);
+ UNUSED(origin);
+ UNUSED(options);
+ UNUSED(rdclass);
+
+ RUNTIME_CHECK(isc_once_do(&once, init_lock) == ISC_R_SUCCESS);
+
+#ifdef _WIN32
+ {
+ WORD wVersionRequested;
+ WSADATA wsaData;
+ int err;
+
+ wVersionRequested = MAKEWORD(2, 0);
+
+ err = WSAStartup(wVersionRequested, &wsaData );
+ if (err != 0)
+ return (ISC_R_FAILURE);
+ }
+#endif
+
+ /*
+ * IPv4 dotted quad.
+ */
+ CHECK(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+
+ isc_buffer_availableregion(target, &region);
+ if (getquad(DNS_AS_STR(token), &addr, lexer, callbacks) != 1)
+ CHECKTOK(DNS_R_BADDOTTEDQUAD);
+ if (region.length < 4)
+ return (ISC_R_NOSPACE);
+ memmove(region.base, &addr, 4);
+ isc_buffer_add(target, 4);
+
+ /*
+ * Protocol.
+ */
+ CHECK(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+ false));
+
+ proto = strtol(DNS_AS_STR(token), &e, 10);
+ if (*e == 0)
+ ;
+ else if (!mygetprotobyname(DNS_AS_STR(token), &proto))
+ CHECKTOK(DNS_R_UNKNOWNPROTO);
+
+ if (proto < 0 || proto > 0xff)
+ CHECKTOK(ISC_R_RANGE);
+
+ if (proto == IPPROTO_TCP)
+ ps = "tcp";
+ else if (proto == IPPROTO_UDP)
+ ps = "udp";
+
+ CHECK(uint8_tobuffer(proto, target));
+
+ memset(bm, 0, sizeof(bm));
+ do {
+ CHECK(isc_lex_getmastertoken(lexer, &token,
+ isc_tokentype_string, true));
+ if (token.type != isc_tokentype_string)
+ break;
+
+ /*
+ * Lowercase the service string as some getservbyname() are
+ * case sensitive and the database is usually in lowercase.
+ */
+ strncpy(service, DNS_AS_STR(token), sizeof(service));
+ service[sizeof(service)-1] = '\0';
+ for (i = strlen(service) - 1; i >= 0; i--)
+ if (isupper(service[i]&0xff))
+ service[i] = tolower(service[i]&0xff);
+
+ port = strtol(DNS_AS_STR(token), &e, 10);
+ if (*e == 0)
+ ;
+ else if (!mygetservbyname(service, ps, &port) &&
+ !mygetservbyname(DNS_AS_STR(token), ps, &port))
+ CHECKTOK(DNS_R_UNKNOWNSERVICE);
+ if (port < 0 || port > 0xffff)
+ CHECKTOK(ISC_R_RANGE);
+ if (port > maxport)
+ maxport = port;
+ bm[port / 8] |= (0x80 >> (port % 8));
+ } while (1);
+
+ /*
+ * Let upper layer handle eol/eof.
+ */
+ isc_lex_ungettoken(lexer, &token);
+
+ n = (maxport + 8) / 8;
+ result = mem_tobuffer(target, bm, n);
+
+ cleanup:
+#ifdef _WIN32
+ WSACleanup();
+#endif
+
+ return (result);
+}
+
+static inline isc_result_t
+totext_in_wks(ARGS_TOTEXT) {
+ isc_region_t sr;
+ unsigned short proto;
+ char buf[sizeof("65535")];
+ unsigned int i, j;
+
+ UNUSED(tctx);
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata->length >= 5);
+
+ dns_rdata_toregion(rdata, &sr);
+ RETERR(inet_totext(AF_INET, &sr, target));
+ isc_region_consume(&sr, 4);
+
+ proto = uint8_fromregion(&sr);
+ snprintf(buf, sizeof(buf), "%u", proto);
+ RETERR(str_totext(" ", target));
+ RETERR(str_totext(buf, target));
+ isc_region_consume(&sr, 1);
+
+ INSIST(sr.length <= 8*1024);
+ for (i = 0; i < sr.length; i++) {
+ if (sr.base[i] != 0)
+ for (j = 0; j < 8; j++)
+ if ((sr.base[i] & (0x80 >> j)) != 0) {
+ snprintf(buf, sizeof(buf),
+ "%u", i * 8 + j);
+ RETERR(str_totext(" ", target));
+ RETERR(str_totext(buf, target));
+ }
+ }
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+fromwire_in_wks(ARGS_FROMWIRE) {
+ isc_region_t sr;
+ isc_region_t tr;
+
+ REQUIRE(type == dns_rdatatype_wks);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(type);
+ UNUSED(dctx);
+ UNUSED(options);
+ UNUSED(rdclass);
+
+ isc_buffer_activeregion(source, &sr);
+ isc_buffer_availableregion(target, &tr);
+
+ if (sr.length < 5)
+ return (ISC_R_UNEXPECTEDEND);
+ if (sr.length > 8 * 1024 + 5)
+ return (DNS_R_EXTRADATA);
+ if (tr.length < sr.length)
+ return (ISC_R_NOSPACE);
+
+ memmove(tr.base, sr.base, sr.length);
+ isc_buffer_add(target, sr.length);
+ isc_buffer_forward(source, sr.length);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+towire_in_wks(ARGS_TOWIRE) {
+ isc_region_t sr;
+
+ UNUSED(cctx);
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata->length != 0);
+
+ dns_rdata_toregion(rdata, &sr);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_in_wks(ARGS_COMPARE) {
+ isc_region_t r1;
+ isc_region_t r2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == dns_rdatatype_wks);
+ REQUIRE(rdata1->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+ return (isc_region_compare(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_in_wks(ARGS_FROMSTRUCT) {
+ dns_rdata_in_wks_t *wks = source;
+ uint32_t a;
+
+ REQUIRE(type == dns_rdatatype_wks);
+ REQUIRE(rdclass == dns_rdataclass_in);
+ REQUIRE(source != NULL);
+ REQUIRE(wks->common.rdtype == type);
+ REQUIRE(wks->common.rdclass == rdclass);
+ REQUIRE((wks->map != NULL && wks->map_len <= 8*1024) ||
+ wks->map_len == 0);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ a = ntohl(wks->in_addr.s_addr);
+ RETERR(uint32_tobuffer(a, target));
+ RETERR(uint8_tobuffer(wks->protocol, target));
+ return (mem_tobuffer(target, wks->map, wks->map_len));
+}
+
+static inline isc_result_t
+tostruct_in_wks(ARGS_TOSTRUCT) {
+ dns_rdata_in_wks_t *wks = target;
+ uint32_t n;
+ isc_region_t region;
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+ REQUIRE(rdata->length != 0);
+
+ wks->common.rdclass = rdata->rdclass;
+ wks->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&wks->common, link);
+
+ dns_rdata_toregion(rdata, &region);
+ n = uint32_fromregion(&region);
+ wks->in_addr.s_addr = htonl(n);
+ isc_region_consume(&region, 4);
+ wks->protocol = uint8_fromregion(&region);
+ isc_region_consume(&region, 1);
+ wks->map_len = region.length;
+ wks->map = mem_maybedup(mctx, region.base, region.length);
+ if (wks->map == NULL)
+ return (ISC_R_NOMEMORY);
+ wks->mctx = mctx;
+ return (ISC_R_SUCCESS);
+}
+
+static inline void
+freestruct_in_wks(ARGS_FREESTRUCT) {
+ dns_rdata_in_wks_t *wks = source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(wks->common.rdtype == dns_rdatatype_wks);
+ REQUIRE(wks->common.rdclass == dns_rdataclass_in);
+
+ if (wks->mctx == NULL)
+ return;
+
+ if (wks->map != NULL)
+ isc_mem_free(wks->mctx, wks->map);
+ wks->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_in_wks(ARGS_ADDLDATA) {
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_in_wks(ARGS_DIGEST) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+static inline bool
+checkowner_in_wks(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == dns_rdatatype_wks);
+ REQUIRE(rdclass == dns_rdataclass_in);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ return (dns_name_ishostname(name, wildcard));
+}
+
+static inline bool
+checknames_in_wks(ARGS_CHECKNAMES) {
+
+ REQUIRE(rdata->type == dns_rdatatype_wks);
+ REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+ UNUSED(rdata);
+ UNUSED(owner);
+ UNUSED(bad);
+
+ return (true);
+}
+
+static inline int
+casecompare_in_wks(ARGS_COMPARE) {
+ return (compare_in_wks(rdata1, rdata2));
+}
+
+#endif /* RDATA_IN_1_WKS_11_C */