Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 583 insertions, 0 deletions

diff --git a/bin/dnssec/dnssec-dsfromkey.c b/bin/dnssec/dnssec-dsfromkey.c
new file mode 100644
index 0000000..65fdaaa
--- /dev/null
+++ b/bin/dnssec/dnssec-dsfromkey.c
@@ -0,0 +1,583 @@
+/*
+ * 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.
+ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/entropy.h>
+#include <isc/hash.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/callbacks.h>
+#include <dns/db.h>
+#include <dns/dbiterator.h>
+#include <dns/ds.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/log.h>
+#include <dns/master.h>
+#include <dns/name.h>
+#include <dns/rdata.h>
+#include <dns/rdataclass.h>
+#include <dns/rdataset.h>
+#include <dns/rdatasetiter.h>
+#include <dns/rdatatype.h>
+#include <dns/result.h>
+
+#include <dst/dst.h>
+
+#ifdef PKCS11CRYPTO
+#include <pk11/result.h>
+#endif
+
+#include "dnssectool.h"
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024   /* AIX, WIN32, and others don't define this. */
+#endif
+
+const char *program = "dnssec-dsfromkey";
+int verbose;
+
+static dns_rdataclass_t rdclass;
+static dns_fixedname_t	fixed;
+static dns_name_t	*name = NULL;
+static isc_mem_t	*mctx = NULL;
+static uint32_t	ttl;
+static bool	emitttl = false;
+
+static isc_result_t
+initname(char *setname) {
+	isc_result_t result;
+	isc_buffer_t buf;
+
+	name = dns_fixedname_initname(&fixed);
+
+	isc_buffer_init(&buf, setname, strlen(setname));
+	isc_buffer_add(&buf, strlen(setname));
+	result = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL);
+	return (result);
+}
+
+static void
+db_load_from_stream(dns_db_t *db, FILE *fp) {
+	isc_result_t result;
+	dns_rdatacallbacks_t callbacks;
+
+	dns_rdatacallbacks_init(&callbacks);
+	result = dns_db_beginload(db, &callbacks);
+	if (result != ISC_R_SUCCESS)
+		fatal("dns_db_beginload failed: %s", isc_result_totext(result));
+
+	result = dns_master_loadstream(fp, name, name, rdclass, 0,
+				       &callbacks, mctx);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't load from input: %s", isc_result_totext(result));
+
+	result = dns_db_endload(db, &callbacks);
+	if (result != ISC_R_SUCCESS)
+		fatal("dns_db_endload failed: %s", isc_result_totext(result));
+}
+
+static isc_result_t
+loadset(const char *filename, dns_rdataset_t *rdataset) {
+	isc_result_t	 result;
+	dns_db_t	 *db = NULL;
+	dns_dbnode_t	 *node = NULL;
+	char setname[DNS_NAME_FORMATSIZE];
+
+	dns_name_format(name, setname, sizeof(setname));
+
+	result = dns_db_create(mctx, "rbt", name, dns_dbtype_zone,
+			       rdclass, 0, NULL, &db);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't create database");
+
+	if (strcmp(filename, "-") == 0) {
+		db_load_from_stream(db, stdin);
+		filename = "input";
+	} else {
+		result = dns_db_load(db, filename);
+		if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE)
+			fatal("can't load %s: %s", filename,
+			      isc_result_totext(result));
+	}
+
+	result = dns_db_findnode(db, name, false, &node);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't find %s node in %s", setname, filename);
+
+	result = dns_db_findrdataset(db, node, NULL, dns_rdatatype_dnskey,
+				     0, 0, rdataset, NULL);
+
+	if (result == ISC_R_NOTFOUND)
+		fatal("no DNSKEY RR for %s in %s", setname, filename);
+	else if (result != ISC_R_SUCCESS)
+		fatal("dns_db_findrdataset");
+
+	if (node != NULL)
+		dns_db_detachnode(db, &node);
+	if (db != NULL)
+		dns_db_detach(&db);
+	return (result);
+}
+
+static isc_result_t
+loadkeyset(char *dirname, dns_rdataset_t *rdataset) {
+	isc_result_t	 result;
+	char		 filename[PATH_MAX + 1];
+	isc_buffer_t	 buf;
+
+	dns_rdataset_init(rdataset);
+
+	isc_buffer_init(&buf, filename, sizeof(filename));
+	if (dirname != NULL) {
+		/* allow room for a trailing slash */
+		if (strlen(dirname) >= isc_buffer_availablelength(&buf))
+			return (ISC_R_NOSPACE);
+		isc_buffer_putstr(&buf, dirname);
+		if (dirname[strlen(dirname) - 1] != '/')
+			isc_buffer_putstr(&buf, "/");
+	}
+
+	if (isc_buffer_availablelength(&buf) < 7)
+		return (ISC_R_NOSPACE);
+	isc_buffer_putstr(&buf, "keyset-");
+
+	result = dns_name_tofilenametext(name, false, &buf);
+	check_result(result, "dns_name_tofilenametext()");
+	if (isc_buffer_availablelength(&buf) == 0)
+		return (ISC_R_NOSPACE);
+	isc_buffer_putuint8(&buf, 0);
+
+	return (loadset(filename, rdataset));
+}
+
+static void
+loadkey(char *filename, unsigned char *key_buf, unsigned int key_buf_size,
+	dns_rdata_t *rdata)
+{
+	isc_result_t  result;
+	dst_key_t     *key = NULL;
+	isc_buffer_t  keyb;
+	isc_region_t  r;
+
+	dns_rdata_init(rdata);
+
+	isc_buffer_init(&keyb, key_buf, key_buf_size);
+
+	result = dst_key_fromnamedfile(filename, NULL, DST_TYPE_PUBLIC,
+				       mctx, &key);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't load %s.key: %s",
+		      filename, isc_result_totext(result));
+
+	if (verbose > 2) {
+		char keystr[DST_KEY_FORMATSIZE];
+
+		dst_key_format(key, keystr, sizeof(keystr));
+		fprintf(stderr, "%s: %s\n", program, keystr);
+	}
+
+	result = dst_key_todns(key, &keyb);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't decode key");
+
+	isc_buffer_usedregion(&keyb, &r);
+	dns_rdata_fromregion(rdata, dst_key_class(key),
+			     dns_rdatatype_dnskey, &r);
+
+	rdclass = dst_key_class(key);
+
+	name = dns_fixedname_initname(&fixed);
+	result = dns_name_copy(dst_key_name(key), name, NULL);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't copy name");
+
+	dst_key_free(&key);
+}
+
+static void
+logkey(dns_rdata_t *rdata)
+{
+	isc_result_t result;
+	dst_key_t    *key = NULL;
+	isc_buffer_t buf;
+	char	     keystr[DST_KEY_FORMATSIZE];
+
+	isc_buffer_init(&buf, rdata->data, rdata->length);
+	isc_buffer_add(&buf, rdata->length);
+	result = dst_key_fromdns(name, rdclass, &buf, mctx, &key);
+	if (result != ISC_R_SUCCESS)
+		return;
+
+	dst_key_format(key, keystr, sizeof(keystr));
+	fprintf(stderr, "%s: %s\n", program, keystr);
+
+	dst_key_free(&key);
+}
+
+static void
+emit(unsigned int dtype, bool showall, char *lookaside,
+     bool cds, dns_rdata_t *rdata)
+{
+	isc_result_t result;
+	unsigned char buf[DNS_DS_BUFFERSIZE];
+	char text_buf[DST_KEY_MAXTEXTSIZE];
+	char name_buf[DNS_NAME_MAXWIRE];
+	char class_buf[10];
+	isc_buffer_t textb, nameb, classb;
+	isc_region_t r;
+	dns_rdata_t ds;
+	dns_rdata_dnskey_t dnskey;
+
+	isc_buffer_init(&textb, text_buf, sizeof(text_buf));
+	isc_buffer_init(&nameb, name_buf, sizeof(name_buf));
+	isc_buffer_init(&classb, class_buf, sizeof(class_buf));
+
+	dns_rdata_init(&ds);
+
+	result = dns_rdata_tostruct(rdata, &dnskey, NULL);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't convert DNSKEY");
+
+	if ((dnskey.flags & DNS_KEYFLAG_KSK) == 0 && !showall)
+		return;
+
+	result = dns_ds_buildrdata(name, rdata, dtype, buf, &ds);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't build record");
+
+	result = dns_name_totext(name, false, &nameb);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't print name");
+
+	/* Add lookaside origin, if set */
+	if (lookaside != NULL) {
+		if (isc_buffer_availablelength(&nameb) < strlen(lookaside))
+			fatal("DLV origin '%s' is too long", lookaside);
+		isc_buffer_putstr(&nameb, lookaside);
+		if (lookaside[strlen(lookaside) - 1] != '.') {
+			if (isc_buffer_availablelength(&nameb) < 1)
+				fatal("DLV origin '%s' is too long", lookaside);
+			isc_buffer_putstr(&nameb, ".");
+		}
+	}
+
+	result = dns_rdata_tofmttext(&ds, (dns_name_t *) NULL, 0, 0, 0, "",
+				     &textb);
+
+	if (result != ISC_R_SUCCESS)
+		fatal("can't print rdata");
+
+	result = dns_rdataclass_totext(rdclass, &classb);
+	if (result != ISC_R_SUCCESS)
+		fatal("can't print class");
+
+	isc_buffer_usedregion(&nameb, &r);
+	printf("%.*s ", (int)r.length, r.base);
+
+	if (emitttl)
+		printf("%u ", ttl);
+
+	isc_buffer_usedregion(&classb, &r);
+	printf("%.*s", (int)r.length, r.base);
+
+	if (lookaside == NULL) {
+		if (cds)
+			printf(" CDS ");
+		else
+			printf(" DS ");
+	} else
+		printf(" DLV ");
+
+	isc_buffer_usedregion(&textb, &r);
+	printf("%.*s\n", (int)r.length, r.base);
+}
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void
+usage(void) {
+	fprintf(stderr, "Usage:\n");
+	fprintf(stderr,	"    %s options [-K dir] keyfile\n\n", program);
+	fprintf(stderr, "    %s options [-K dir] [-c class] -s dnsname\n\n",
+		program);
+	fprintf(stderr, "    %s options -f zonefile (as zone name)\n\n", program);
+	fprintf(stderr, "    %s options -f zonefile zonename\n\n", program);
+	fprintf(stderr, "Version: %s\n", VERSION);
+	fprintf(stderr, "Options:\n");
+	fprintf(stderr, "    -v <verbose level>\n");
+	fprintf(stderr, "    -V: print version information\n");
+	fprintf(stderr, "    -K <directory>: directory in which to find "
+			"key file or keyset file\n");
+	fprintf(stderr, "    -a algorithm: digest algorithm "
+			"(SHA-1, SHA-256, GOST or SHA-384)\n");
+	fprintf(stderr, "    -1: use SHA-1\n");
+	fprintf(stderr, "    -2: use SHA-256\n");
+	fprintf(stderr, "    -C: print CDS record\n");
+	fprintf(stderr, "    -l: add lookaside zone and print DLV records\n");
+	fprintf(stderr, "    -s: read keyset from keyset-<dnsname> file\n");
+	fprintf(stderr, "    -c class: rdata class for DS set (default: IN)\n");
+	fprintf(stderr, "    -T TTL\n");
+	fprintf(stderr, "    -f file: read keyset from zone file\n");
+	fprintf(stderr, "    -A: when used with -f, "
+			"include all keys in DS set, not just KSKs\n");
+	fprintf(stderr, "Output: DS or DLV RRs\n");
+
+	exit (-1);
+}
+
+int
+main(int argc, char **argv) {
+	char		*algname = NULL, *classname = NULL;
+	char		*filename = NULL, *dir = NULL, *namestr;
+	char		*lookaside = NULL;
+	char		*endp;
+	int		ch;
+	unsigned int	dtype = DNS_DSDIGEST_SHA1;
+	bool	cds = false;
+	bool	both = true;
+	bool	usekeyset = false;
+	bool	showall = false;
+	isc_result_t	result;
+	isc_log_t	*log = NULL;
+	isc_entropy_t	*ectx = NULL;
+	dns_rdataset_t	rdataset;
+	dns_rdata_t	rdata;
+
+	dns_rdata_init(&rdata);
+
+	if (argc == 1)
+		usage();
+
+	result = isc_mem_create(0, 0, &mctx);
+	if (result != ISC_R_SUCCESS)
+		fatal("out of memory");
+
+#ifdef PKCS11CRYPTO
+	pk11_result_register();
+#endif
+	dns_result_register();
+
+	isc_commandline_errprint = false;
+
+#define OPTIONS "12Aa:Cc:d:Ff:K:l:sT:v:hV"
+	while ((ch = isc_commandline_parse(argc, argv, OPTIONS)) != -1) {
+		switch (ch) {
+		case '1':
+			dtype = DNS_DSDIGEST_SHA1;
+			both = false;
+			break;
+		case '2':
+			dtype = DNS_DSDIGEST_SHA256;
+			both = false;
+			break;
+		case 'A':
+			showall = true;
+			break;
+		case 'a':
+			algname = isc_commandline_argument;
+			both = false;
+			break;
+		case 'C':
+			if (lookaside != NULL)
+				fatal("lookaside and CDS are mutually"
+				      " exclusive");
+			cds = true;
+			break;
+		case 'c':
+			classname = isc_commandline_argument;
+			break;
+		case 'd':
+			fprintf(stderr, "%s: the -d option is deprecated; "
+					"use -K\n", program);
+			/* fall through */
+		case 'K':
+			dir = isc_commandline_argument;
+			if (strlen(dir) == 0U)
+				fatal("directory must be non-empty string");
+			break;
+		case 'f':
+			filename = isc_commandline_argument;
+			break;
+		case 'l':
+			if (cds)
+				fatal("lookaside and CDS are mutually"
+				      " exclusive");
+			lookaside = isc_commandline_argument;
+			if (strlen(lookaside) == 0U)
+				fatal("lookaside must be a non-empty string");
+			break;
+		case 's':
+			usekeyset = true;
+			break;
+		case 'T':
+			emitttl = true;
+			ttl = atol(isc_commandline_argument);
+			break;
+		case 'v':
+			verbose = strtol(isc_commandline_argument, &endp, 0);
+			if (*endp != '\0')
+				fatal("-v must be followed by a number");
+			break;
+		case 'F':
+			/* Reserved for FIPS mode */
+			/* FALLTHROUGH */
+		case '?':
+			if (isc_commandline_option != '?')
+				fprintf(stderr, "%s: invalid argument -%c\n",
+					program, isc_commandline_option);
+			/* FALLTHROUGH */
+		case 'h':
+			/* Does not return. */
+			usage();
+
+		case 'V':
+			/* Does not return. */
+			version(program);
+
+		default:
+			fprintf(stderr, "%s: unhandled option -%c\n",
+				program, isc_commandline_option);
+			exit(1);
+		}
+	}
+
+	if (algname != NULL) {
+		if (strcasecmp(algname, "SHA1") == 0 ||
+		    strcasecmp(algname, "SHA-1") == 0)
+			dtype = DNS_DSDIGEST_SHA1;
+		else if (strcasecmp(algname, "SHA256") == 0 ||
+			 strcasecmp(algname, "SHA-256") == 0)
+			dtype = DNS_DSDIGEST_SHA256;
+#if defined(HAVE_OPENSSL_GOST) || defined(HAVE_PKCS11_GOST)
+		else if (strcasecmp(algname, "GOST") == 0)
+			dtype = DNS_DSDIGEST_GOST;
+#endif
+		else if (strcasecmp(algname, "SHA384") == 0 ||
+			 strcasecmp(algname, "SHA-384") == 0)
+			dtype = DNS_DSDIGEST_SHA384;
+		else
+			fatal("unknown algorithm %s", algname);
+	}
+
+	rdclass = strtoclass(classname);
+
+	if (usekeyset && filename != NULL)
+		fatal("cannot use both -s and -f");
+
+	/* When not using -f, -A is implicit */
+	if (filename == NULL)
+		showall = true;
+
+	if (argc < isc_commandline_index + 1 && filename == NULL)
+		fatal("the key file name was not specified");
+	if (argc > isc_commandline_index + 1)
+		fatal("extraneous arguments");
+
+	if (ectx == NULL)
+		setup_entropy(mctx, NULL, &ectx);
+	result = isc_hash_create(mctx, ectx, DNS_NAME_MAXWIRE);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not initialize hash");
+	result = dst_lib_init(mctx, ectx,
+			      ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
+	if (result != ISC_R_SUCCESS)
+		fatal("could not initialize dst: %s",
+		      isc_result_totext(result));
+	isc_entropy_stopcallbacksources(ectx);
+
+	setup_logging(mctx, &log);
+
+	dns_rdataset_init(&rdataset);
+
+	if (usekeyset || filename != NULL) {
+		if (argc < isc_commandline_index + 1 && filename != NULL) {
+			/* using zone name as the zone file name */
+			namestr = filename;
+		} else
+			namestr = argv[isc_commandline_index];
+
+		result = initname(namestr);
+		if (result != ISC_R_SUCCESS)
+			fatal("could not initialize name %s", namestr);
+
+		if (usekeyset)
+			result = loadkeyset(dir, &rdataset);
+		else
+			result = loadset(filename, &rdataset);
+
+		if (result != ISC_R_SUCCESS)
+			fatal("could not load DNSKEY set: %s\n",
+			      isc_result_totext(result));
+
+		for (result = dns_rdataset_first(&rdataset);
+		     result == ISC_R_SUCCESS;
+		     result = dns_rdataset_next(&rdataset)) {
+			dns_rdata_init(&rdata);
+			dns_rdataset_current(&rdataset, &rdata);
+
+			if (verbose > 2)
+				logkey(&rdata);
+
+			if (both) {
+				emit(DNS_DSDIGEST_SHA1, showall, lookaside,
+				     cds, &rdata);
+				emit(DNS_DSDIGEST_SHA256, showall, lookaside,
+				     cds, &rdata);
+			} else
+				emit(dtype, showall, lookaside, cds, &rdata);
+		}
+	} else {
+		unsigned char key_buf[DST_KEY_MAXSIZE];
+
+		loadkey(argv[isc_commandline_index], key_buf,
+			DST_KEY_MAXSIZE, &rdata);
+
+		if (both) {
+			emit(DNS_DSDIGEST_SHA1, showall, lookaside, cds,
+			     &rdata);
+			emit(DNS_DSDIGEST_SHA256, showall, lookaside, cds,
+			     &rdata);
+		} else
+			emit(dtype, showall, lookaside, cds, &rdata);
+	}
+
+	if (dns_rdataset_isassociated(&rdataset))
+		dns_rdataset_disassociate(&rdataset);
+	cleanup_logging(&log);
+	dst_lib_destroy();
+	isc_hash_destroy();
+	cleanup_entropy(&ectx);
+	dns_name_destroy();
+	if (verbose > 10)
+		isc_mem_stats(mctx, stdout);
+	isc_mem_destroy(&mctx);
+
+	fflush(stdout);
+	if (ferror(stdout)) {
+		fprintf(stderr, "write error\n");
+		return (1);
+	} else
+		return (0);
+}