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-rw-r--r--lib/samples/sample-update.c796
1 files changed, 796 insertions, 0 deletions
diff --git a/lib/samples/sample-update.c b/lib/samples/sample-update.c
new file mode 100644
index 0000000..83f963d
--- /dev/null
+++ b/lib/samples/sample-update.c
@@ -0,0 +1,796 @@
+/*
+ * 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.
+ */
+
+
+#include <config.h>
+
+#ifndef WIN32
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include <netdb.h>
+#include <unistd.h>
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/lex.h>
+#include <isc/lib.h>
+#include <isc/mem.h>
+#include <isc/parseint.h>
+#include <isc/print.h>
+#include <isc/sockaddr.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/callbacks.h>
+#include <dns/client.h>
+#include <dns/fixedname.h>
+#include <dns/lib.h>
+#include <dns/name.h>
+#include <dns/rdata.h>
+#include <dns/rdataclass.h>
+#include <dns/rdatalist.h>
+#include <dns/rdataset.h>
+#include <dns/rdatastruct.h>
+#include <dns/rdatatype.h>
+#include <dns/result.h>
+#include <dns/secalg.h>
+#include <dns/tsec.h>
+
+#include <dst/dst.h>
+
+static dns_tsec_t *tsec = NULL;
+static const dns_rdataclass_t default_rdataclass = dns_rdataclass_in;
+static isc_bufferlist_t usedbuffers;
+static ISC_LIST(dns_rdatalist_t) usedrdatalists;
+
+static const char *port = "53";
+
+static void setup_tsec(char *keyfile, isc_mem_t *mctx);
+static void update_addordelete(isc_mem_t *mctx, char *cmdline,
+ bool isdelete, dns_name_t *name);
+static void evaluate_prereq(isc_mem_t *mctx, char *cmdline, dns_name_t *name);
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+ fprintf(stderr, "sample-update "
+ "-s "
+ "[-a auth_server] "
+ "[-k keyfile] "
+ "[-p prerequisite] "
+ "[-r recursive_server] "
+ "[-z zonename] "
+ "(add|delete) \"name TTL RRtype RDATA\"\n");
+ exit(1);
+}
+
+#ifdef _WIN32
+static void
+InitSockets(void) {
+ WORD wVersionRequested;
+ WSADATA wsaData;
+ int err;
+
+ wVersionRequested = MAKEWORD(2, 0);
+
+ err = WSAStartup(wVersionRequested, &wsaData);
+ if (err != 0) {
+ fprintf(stderr, "WSAStartup() failed: %d\n", err);
+ exit(1);
+ }
+}
+
+static void
+DestroySockets(void) {
+ WSACleanup();
+}
+#else
+#define InitSockets() ((void)0)
+#define DestroySockets() ((void)0)
+#endif
+
+static bool
+addserver(const char *server, isc_sockaddrlist_t *list,
+ isc_sockaddr_t *sockaddr)
+{
+ struct addrinfo hints, *res;
+ int gaierror;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_DGRAM;
+ hints.ai_protocol = IPPROTO_UDP;
+#ifdef AI_NUMERICHOST
+ hints.ai_flags |= AI_NUMERICHOST;
+#endif
+#ifdef AI_NUMERICSERV
+ hints.ai_flags |= AI_NUMERICSERV;
+#endif
+ InitSockets();
+ gaierror = getaddrinfo(server, port, &hints, &res);
+ if (gaierror != 0) {
+ fprintf(stderr, "getaddrinfo(%s) failed: %s\n",
+ server, gai_strerror(gaierror));
+ DestroySockets();
+ return (false);
+ }
+ INSIST(res->ai_addrlen <= sizeof(sockaddr->type));
+ memmove(&sockaddr->type, res->ai_addr, res->ai_addrlen);
+ sockaddr->length = (unsigned int)res->ai_addrlen;
+ ISC_LINK_INIT(sockaddr, link);
+ ISC_LIST_APPEND(*list, sockaddr, link);
+ freeaddrinfo(res);
+ DestroySockets();
+ return (true);
+}
+
+int
+main(int argc, char *argv[]) {
+ int ch;
+ dns_client_t *client = NULL;
+ char *zonenamestr = NULL;
+ char *keyfilename = NULL;
+ char *prereqstr = NULL;
+ isc_sockaddr_t sa_auth[10], sa_recursive[10];
+ unsigned int nsa_auth = 0, nsa_recursive = 0;
+ isc_sockaddrlist_t rec_servers;
+ isc_sockaddrlist_t auth_servers, *auth_serversp = &auth_servers;
+ isc_result_t result;
+ bool isdelete;
+ isc_buffer_t b, *buf;
+ dns_fixedname_t zname0, pname0, uname0;
+ unsigned int namelen;
+ dns_name_t *zname = NULL, *uname, *pname;
+ dns_rdataset_t *rdataset;
+ dns_rdatalist_t *rdatalist;
+ dns_rdata_t *rdata;
+ dns_namelist_t updatelist, prereqlist, *prereqlistp = NULL;
+ isc_mem_t *umctx = NULL;
+ bool sendtwice = false;
+
+ ISC_LIST_INIT(auth_servers);
+ ISC_LIST_INIT(rec_servers);
+
+ while ((ch = isc_commandline_parse(argc, argv,
+ "a:k:p:P:r:sz:")) != EOF)
+ {
+ switch (ch) {
+ case 'k':
+ keyfilename = isc_commandline_argument;
+ break;
+ case 'a':
+ if (nsa_auth < sizeof(sa_auth)/sizeof(*sa_auth) &&
+ addserver(isc_commandline_argument, &auth_servers,
+ &sa_auth[nsa_auth]))
+ nsa_auth++;
+ break;
+ case 'p':
+ prereqstr = isc_commandline_argument;
+ break;
+ case 'P':
+ port = isc_commandline_argument;
+ break;
+ case 'r':
+ if (nsa_recursive <
+ sizeof(sa_recursive)/sizeof(*sa_recursive) &&
+ addserver(isc_commandline_argument, &rec_servers,
+ &sa_recursive[nsa_recursive]))
+ nsa_recursive++;
+ break;
+ case 's':
+ sendtwice = true;
+ break;
+ case 'z':
+ zonenamestr = isc_commandline_argument;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ argc -= isc_commandline_index;
+ argv += isc_commandline_index;
+ if (argc < 2)
+ usage();
+
+ /* command line argument validation */
+ if (strcmp(argv[0], "delete") == 0)
+ isdelete = true;
+ else if (strcmp(argv[0], "add") == 0)
+ isdelete = false;
+ else {
+ fprintf(stderr, "invalid update command: %s\n", argv[0]);
+ exit(1);
+ }
+
+ if (ISC_LIST_HEAD(auth_servers) == NULL &&
+ ISC_LIST_HEAD(rec_servers) == NULL) {
+ fprintf(stderr, "authoritative or recursive servers "
+ "must be specified\n");
+ usage();
+ }
+
+ /* Initialization */
+ ISC_LIST_INIT(usedbuffers);
+ ISC_LIST_INIT(usedrdatalists);
+ ISC_LIST_INIT(prereqlist);
+ isc_lib_register();
+ result = dns_lib_init();
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "dns_lib_init failed: %u\n", result);
+ exit(1);
+ }
+ result = isc_mem_create(0, 0, &umctx);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "failed to crate mctx\n");
+ exit(1);
+ }
+
+ result = dns_client_create(&client, 0);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "dns_client_create failed: %u\n", result);
+ exit(1);
+ }
+
+ /* Construct zone name */
+ zname = NULL;
+ if (zonenamestr != NULL) {
+ namelen = strlen(zonenamestr);
+ isc_buffer_init(&b, zonenamestr, namelen);
+ isc_buffer_add(&b, namelen);
+ zname = dns_fixedname_initname(&zname0);
+ result = dns_name_fromtext(zname, &b, dns_rootname, 0, NULL);
+ if (result != ISC_R_SUCCESS)
+ fprintf(stderr, "failed to convert zone name: %u\n",
+ result);
+ }
+
+ /* Construct prerequisite name (if given) */
+ if (prereqstr != NULL) {
+ pname = dns_fixedname_initname(&pname0);
+ evaluate_prereq(umctx, prereqstr, pname);
+ ISC_LIST_APPEND(prereqlist, pname, link);
+ prereqlistp = &prereqlist;
+ }
+
+ /* Construct update name */
+ ISC_LIST_INIT(updatelist);
+ uname = dns_fixedname_initname(&uname0);
+ update_addordelete(umctx, argv[1], isdelete, uname);
+ ISC_LIST_APPEND(updatelist, uname, link);
+
+ /* Set up TSIG/SIG(0) key (if given) */
+ if (keyfilename != NULL)
+ setup_tsec(keyfilename, umctx);
+
+ if (ISC_LIST_HEAD(auth_servers) == NULL)
+ auth_serversp = NULL;
+
+ /* Perform update */
+ result = dns_client_update(client,
+ default_rdataclass, /* XXX: fixed */
+ zname, prereqlistp, &updatelist,
+ auth_serversp, tsec, 0);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr,
+ "update failed: %s\n", dns_result_totext(result));
+ } else
+ fprintf(stderr, "update succeeded\n");
+
+ if (sendtwice) {
+ /* Perform 2nd update */
+ result = dns_client_update(client,
+ default_rdataclass, /* XXX: fixed */
+ zname, prereqlistp, &updatelist,
+ auth_serversp, tsec, 0);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "2nd update failed: %s\n",
+ dns_result_totext(result));
+ } else
+ fprintf(stderr, "2nd update succeeded\n");
+ }
+
+ /* Cleanup */
+ while ((pname = ISC_LIST_HEAD(prereqlist)) != NULL) {
+ while ((rdataset = ISC_LIST_HEAD(pname->list)) != NULL) {
+ ISC_LIST_UNLINK(pname->list, rdataset, link);
+ dns_rdataset_disassociate(rdataset);
+ isc_mem_put(umctx, rdataset, sizeof(*rdataset));
+ }
+ ISC_LIST_UNLINK(prereqlist, pname, link);
+ }
+ while ((uname = ISC_LIST_HEAD(updatelist)) != NULL) {
+ while ((rdataset = ISC_LIST_HEAD(uname->list)) != NULL) {
+ ISC_LIST_UNLINK(uname->list, rdataset, link);
+ dns_rdataset_disassociate(rdataset);
+ isc_mem_put(umctx, rdataset, sizeof(*rdataset));
+ }
+ ISC_LIST_UNLINK(updatelist, uname, link);
+ }
+ while ((rdatalist = ISC_LIST_HEAD(usedrdatalists)) != NULL) {
+ while ((rdata = ISC_LIST_HEAD(rdatalist->rdata)) != NULL) {
+ ISC_LIST_UNLINK(rdatalist->rdata, rdata, link);
+ isc_mem_put(umctx, rdata, sizeof(*rdata));
+ }
+ ISC_LIST_UNLINK(usedrdatalists, rdatalist, link);
+ isc_mem_put(umctx, rdatalist, sizeof(*rdatalist));
+ }
+ while ((buf = ISC_LIST_HEAD(usedbuffers)) != NULL) {
+ ISC_LIST_UNLINK(usedbuffers, buf, link);
+ isc_buffer_free(&buf);
+ }
+ if (tsec != NULL)
+ dns_tsec_destroy(&tsec);
+ isc_mem_destroy(&umctx);
+ dns_client_destroy(&client);
+ dns_lib_shutdown();
+
+ return (0);
+}
+
+/*
+ * Subroutines borrowed from nsupdate.c
+ */
+#define MAXWIRE (64 * 1024)
+#define TTL_MAX 2147483647U /* Maximum signed 32 bit integer. */
+
+static char *
+nsu_strsep(char **stringp, const char *delim) {
+ char *string = *stringp;
+ char *s;
+ const char *d;
+ char sc, dc;
+
+ if (string == NULL)
+ return (NULL);
+
+ for (; *string != '\0'; string++) {
+ sc = *string;
+ for (d = delim; (dc = *d) != '\0'; d++) {
+ if (sc == dc)
+ break;
+ }
+ if (dc == 0)
+ break;
+ }
+
+ for (s = string; *s != '\0'; s++) {
+ sc = *s;
+ for (d = delim; (dc = *d) != '\0'; d++) {
+ if (sc == dc) {
+ *s++ = '\0';
+ *stringp = s;
+ return (string);
+ }
+ }
+ }
+ *stringp = NULL;
+ return (string);
+}
+
+static void
+fatal(const char *format, ...) {
+ va_list args;
+
+ va_start(args, format);
+ vfprintf(stderr, format, args);
+ va_end(args);
+ fprintf(stderr, "\n");
+ exit(1);
+}
+
+static inline void
+check_result(isc_result_t result, const char *msg) {
+ if (result != ISC_R_SUCCESS)
+ fatal("%s: %s", msg, isc_result_totext(result));
+}
+
+static void
+parse_name(char **cmdlinep, dns_name_t *name) {
+ isc_result_t result;
+ char *word;
+ isc_buffer_t source;
+
+ word = nsu_strsep(cmdlinep, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ fprintf(stderr, "could not read owner name\n");
+ exit(1);
+ }
+
+ isc_buffer_init(&source, word, strlen(word));
+ isc_buffer_add(&source, strlen(word));
+ result = dns_name_fromtext(name, &source, dns_rootname, 0, NULL);
+ check_result(result, "dns_name_fromtext");
+ isc_buffer_invalidate(&source);
+}
+
+static void
+parse_rdata(isc_mem_t *mctx, char **cmdlinep, dns_rdataclass_t rdataclass,
+ dns_rdatatype_t rdatatype, dns_rdata_t *rdata)
+{
+ char *cmdline = *cmdlinep;
+ isc_buffer_t source, *buf = NULL, *newbuf = NULL;
+ isc_region_t r;
+ isc_lex_t *lex = NULL;
+ dns_rdatacallbacks_t callbacks;
+ isc_result_t result;
+
+ while (cmdline != NULL && *cmdline != 0 &&
+ isspace((unsigned char)*cmdline))
+ cmdline++;
+
+ if (cmdline != NULL && *cmdline != 0) {
+ dns_rdatacallbacks_init(&callbacks);
+ result = isc_lex_create(mctx, strlen(cmdline), &lex);
+ check_result(result, "isc_lex_create");
+ isc_buffer_init(&source, cmdline, strlen(cmdline));
+ isc_buffer_add(&source, strlen(cmdline));
+ result = isc_lex_openbuffer(lex, &source);
+ check_result(result, "isc_lex_openbuffer");
+ result = isc_buffer_allocate(mctx, &buf, MAXWIRE);
+ check_result(result, "isc_buffer_allocate");
+ result = dns_rdata_fromtext(rdata, rdataclass, rdatatype, lex,
+ dns_rootname, 0, mctx, buf,
+ &callbacks);
+ isc_lex_destroy(&lex);
+ if (result == ISC_R_SUCCESS) {
+ isc_buffer_usedregion(buf, &r);
+ result = isc_buffer_allocate(mctx, &newbuf, r.length);
+ check_result(result, "isc_buffer_allocate");
+ isc_buffer_putmem(newbuf, r.base, r.length);
+ isc_buffer_usedregion(newbuf, &r);
+ dns_rdata_reset(rdata);
+ dns_rdata_fromregion(rdata, rdataclass, rdatatype, &r);
+ isc_buffer_free(&buf);
+ ISC_LIST_APPEND(usedbuffers, newbuf, link);
+ } else {
+ fprintf(stderr, "invalid rdata format: %s\n",
+ isc_result_totext(result));
+ isc_buffer_free(&buf);
+ exit(1);
+ }
+ } else {
+ rdata->flags = DNS_RDATA_UPDATE;
+ }
+ *cmdlinep = cmdline;
+}
+
+static void
+update_addordelete(isc_mem_t *mctx, char *cmdline, bool isdelete,
+ dns_name_t *name)
+{
+ isc_result_t result;
+ uint32_t ttl;
+ char *word;
+ dns_rdataclass_t rdataclass;
+ dns_rdatatype_t rdatatype;
+ dns_rdata_t *rdata = NULL;
+ dns_rdatalist_t *rdatalist = NULL;
+ dns_rdataset_t *rdataset = NULL;
+ isc_textregion_t region;
+
+ /*
+ * Read the owner name.
+ */
+ parse_name(&cmdline, name);
+
+ rdata = isc_mem_get(mctx, sizeof(*rdata));
+ if (rdata == NULL) {
+ fprintf(stderr, "memory allocation for rdata failed\n");
+ exit(1);
+ }
+ dns_rdata_init(rdata);
+
+ /*
+ * If this is an add, read the TTL and verify that it's in range.
+ * If it's a delete, ignore a TTL if present (for compatibility).
+ */
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ if (!isdelete) {
+ fprintf(stderr, "could not read owner ttl\n");
+ exit(1);
+ }
+ else {
+ ttl = 0;
+ rdataclass = dns_rdataclass_any;
+ rdatatype = dns_rdatatype_any;
+ rdata->flags = DNS_RDATA_UPDATE;
+ goto doneparsing;
+ }
+ }
+ result = isc_parse_uint32(&ttl, word, 10);
+ if (result != ISC_R_SUCCESS) {
+ if (isdelete) {
+ ttl = 0;
+ goto parseclass;
+ } else {
+ fprintf(stderr, "ttl '%s': %s\n", word,
+ isc_result_totext(result));
+ exit(1);
+ }
+ }
+
+ if (isdelete)
+ ttl = 0;
+ else if (ttl > TTL_MAX) {
+ fprintf(stderr, "ttl '%s' is out of range (0 to %u)\n",
+ word, TTL_MAX);
+ exit(1);
+ }
+
+ /*
+ * Read the class or type.
+ */
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ parseclass:
+ if (word == NULL || *word == 0) {
+ if (isdelete) {
+ rdataclass = dns_rdataclass_any;
+ rdatatype = dns_rdatatype_any;
+ rdata->flags = DNS_RDATA_UPDATE;
+ goto doneparsing;
+ } else {
+ fprintf(stderr, "could not read class or type\n");
+ exit(1);
+ }
+ }
+ region.base = word;
+ region.length = strlen(word);
+ result = dns_rdataclass_fromtext(&rdataclass, &region);
+ if (result == ISC_R_SUCCESS) {
+ /*
+ * Now read the type.
+ */
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ if (isdelete) {
+ rdataclass = dns_rdataclass_any;
+ rdatatype = dns_rdatatype_any;
+ rdata->flags = DNS_RDATA_UPDATE;
+ goto doneparsing;
+ } else {
+ fprintf(stderr, "could not read type\n");
+ exit(1);
+ }
+ }
+ region.base = word;
+ region.length = strlen(word);
+ result = dns_rdatatype_fromtext(&rdatatype, &region);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "'%s' is not a valid type: %s\n",
+ word, isc_result_totext(result));
+ exit(1);
+ }
+ } else {
+ rdataclass = default_rdataclass;
+ result = dns_rdatatype_fromtext(&rdatatype, &region);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "'%s' is not a valid class or type: "
+ "%s\n", word, isc_result_totext(result));
+ exit(1);
+ }
+ }
+
+ parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
+
+ if (isdelete) {
+ if ((rdata->flags & DNS_RDATA_UPDATE) != 0)
+ rdataclass = dns_rdataclass_any;
+ else
+ rdataclass = dns_rdataclass_none;
+ } else {
+ if ((rdata->flags & DNS_RDATA_UPDATE) != 0) {
+ fprintf(stderr, "could not read rdata\n");
+ exit(1);
+ }
+ }
+
+ doneparsing:
+
+ rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
+ if (rdatalist == NULL) {
+ fprintf(stderr, "memory allocation for rdatalist failed\n");
+ exit(1);
+ }
+ dns_rdatalist_init(rdatalist);
+ rdatalist->type = rdatatype;
+ rdatalist->rdclass = rdataclass;
+ rdatalist->covers = rdatatype;
+ rdatalist->ttl = (dns_ttl_t)ttl;
+ ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+ ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
+
+ rdataset = isc_mem_get(mctx, sizeof(*rdataset));
+ if (rdataset == NULL) {
+ fprintf(stderr, "memory allocation for rdataset failed\n");
+ exit(1);
+ }
+ dns_rdataset_init(rdataset);
+ dns_rdatalist_tordataset(rdatalist, rdataset);
+ dns_rdataset_setownercase(rdataset, name);
+ ISC_LIST_INIT(name->list);
+ ISC_LIST_APPEND(name->list, rdataset, link);
+}
+
+static void
+make_prereq(isc_mem_t *mctx, char *cmdline, bool ispositive,
+ bool isrrset, dns_name_t *name)
+{
+ isc_result_t result;
+ char *word;
+ isc_textregion_t region;
+ dns_rdataset_t *rdataset = NULL;
+ dns_rdatalist_t *rdatalist = NULL;
+ dns_rdataclass_t rdataclass;
+ dns_rdatatype_t rdatatype;
+ dns_rdata_t *rdata = NULL;
+
+ /*
+ * Read the owner name
+ */
+ parse_name(&cmdline, name);
+
+ /*
+ * If this is an rrset prereq, read the class or type.
+ */
+ if (isrrset) {
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ fprintf(stderr, "could not read class or type\n");
+ exit(1);
+ }
+ region.base = word;
+ region.length = strlen(word);
+ result = dns_rdataclass_fromtext(&rdataclass, &region);
+ if (result == ISC_R_SUCCESS) {
+ /*
+ * Now read the type.
+ */
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ fprintf(stderr, "could not read type\n");
+ exit(1);
+ }
+ region.base = word;
+ region.length = strlen(word);
+ result = dns_rdatatype_fromtext(&rdatatype, &region);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "invalid type: %s\n", word);
+ exit(1);
+ }
+ } else {
+ rdataclass = default_rdataclass;
+ result = dns_rdatatype_fromtext(&rdatatype, &region);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "invalid type: %s\n", word);
+ exit(1);
+ }
+ }
+ } else
+ rdatatype = dns_rdatatype_any;
+
+ rdata = isc_mem_get(mctx, sizeof(*rdata));
+ if (rdata == NULL) {
+ fprintf(stderr, "memory allocation for rdata failed\n");
+ exit(1);
+ }
+ dns_rdata_init(rdata);
+
+ if (isrrset && ispositive)
+ parse_rdata(mctx, &cmdline, rdataclass, rdatatype, rdata);
+ else
+ rdata->flags = DNS_RDATA_UPDATE;
+
+ rdatalist = isc_mem_get(mctx, sizeof(*rdatalist));
+ if (rdatalist == NULL) {
+ fprintf(stderr, "memory allocation for rdatalist failed\n");
+ exit(1);
+ }
+ dns_rdatalist_init(rdatalist);
+ rdatalist->type = rdatatype;
+ if (ispositive) {
+ if (isrrset && rdata->data != NULL)
+ rdatalist->rdclass = rdataclass;
+ else
+ rdatalist->rdclass = dns_rdataclass_any;
+ } else
+ rdatalist->rdclass = dns_rdataclass_none;
+ rdata->rdclass = rdatalist->rdclass;
+ rdata->type = rdatatype;
+ ISC_LIST_APPEND(rdatalist->rdata, rdata, link);
+ ISC_LIST_APPEND(usedrdatalists, rdatalist, link);
+
+ rdataset = isc_mem_get(mctx, sizeof(*rdataset));
+ if (rdataset == NULL) {
+ fprintf(stderr, "memory allocation for rdataset failed\n");
+ exit(1);
+ }
+ dns_rdataset_init(rdataset);
+ dns_rdatalist_tordataset(rdatalist, rdataset);
+ dns_rdataset_setownercase(rdataset, name);
+ ISC_LIST_INIT(name->list);
+ ISC_LIST_APPEND(name->list, rdataset, link);
+}
+
+static void
+evaluate_prereq(isc_mem_t *mctx, char *cmdline, dns_name_t *name) {
+ char *word;
+ bool ispositive, isrrset;
+
+ word = nsu_strsep(&cmdline, " \t\r\n");
+ if (word == NULL || *word == 0) {
+ fprintf(stderr, "could not read operation code\n");
+ exit(1);
+ }
+ if (strcasecmp(word, "nxdomain") == 0) {
+ ispositive = false;
+ isrrset = false;
+ } else if (strcasecmp(word, "yxdomain") == 0) {
+ ispositive = true;
+ isrrset = false;
+ } else if (strcasecmp(word, "nxrrset") == 0) {
+ ispositive = false;
+ isrrset = true;
+ } else if (strcasecmp(word, "yxrrset") == 0) {
+ ispositive = true;
+ isrrset = true;
+ } else {
+ fprintf(stderr, "incorrect operation code: %s\n", word);
+ exit(1);
+ }
+
+ make_prereq(mctx, cmdline, ispositive, isrrset, name);
+}
+
+static void
+setup_tsec(char *keyfile, isc_mem_t *mctx) {
+ dst_key_t *dstkey = NULL;
+ isc_result_t result;
+ dns_tsectype_t tsectype;
+
+ result = dst_key_fromnamedfile(keyfile, NULL,
+ DST_TYPE_PRIVATE | DST_TYPE_KEY, mctx,
+ &dstkey);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "could not read key from %s: %s\n",
+ keyfile, isc_result_totext(result));
+ exit(1);
+ }
+
+ if (dst_key_alg(dstkey) == DST_ALG_HMACMD5)
+ tsectype = dns_tsectype_tsig;
+ else
+ tsectype = dns_tsectype_sig0;
+
+ result = dns_tsec_create(mctx, tsectype, dstkey, &tsec);
+ dst_key_free(&dstkey);
+ if (result != ISC_R_SUCCESS) {
+ fprintf(stderr, "could not create tsec: %s\n",
+ isc_result_totext(result));
+ exit(1);
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 13:08:13 +0000