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, 1126 insertions, 0 deletions

diff --git a/bin/dnssec/dnssec-keygen.c b/bin/dnssec/dnssec-keygen.c
new file mode 100644
index 0000000..1476d0d
--- /dev/null
+++ b/bin/dnssec/dnssec-keygen.c
@@ -0,0 +1,1126 @@
+/*
+ * Portions 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.
+ *
+ * Portions Copyright (C) Network Associates, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE
+ * FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+ * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*! \file */
+
+#include <config.h>
+
+#include <ctype.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include <isc/buffer.h>
+#include <isc/commandline.h>
+#include <isc/entropy.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/region.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <pk11/site.h>
+
+#include <dns/dnssec.h>
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/log.h>
+#include <dns/name.h>
+#include <dns/rdataclass.h>
+#include <dns/result.h>
+#include <dns/secalg.h>
+
+#include <dst/dst.h>
+
+#ifdef PKCS11CRYPTO
+#include <pk11/result.h>
+#endif
+
+#include "dnssectool.h"
+
+#define MAX_RSA 4096 /* should be long enough... */
+
+const char *program = "dnssec-keygen";
+int verbose;
+
+#define DEFAULT_ALGORITHM "RSASHA1"
+#define DEFAULT_NSEC3_ALGORITHM "NSEC3RSASHA1"
+
+ISC_PLATFORM_NORETURN_PRE static void
+usage(void) ISC_PLATFORM_NORETURN_POST;
+
+static void progress(int p);
+
+static void
+usage(void) {
+	fprintf(stderr, "Usage:\n");
+	fprintf(stderr, "    %s [options] name\n\n", program);
+	fprintf(stderr, "Version: %s\n", VERSION);
+	fprintf(stderr, "    name: owner of the key\n");
+	fprintf(stderr, "Options:\n");
+	fprintf(stderr, "    -K <directory>: write keys into directory\n");
+	fprintf(stderr, "    -a <algorithm>:\n");
+	fprintf(stderr, "        RSA | RSAMD5 | DSA | RSASHA1 | NSEC3RSASHA1"
+				" | NSEC3DSA |\n");
+	fprintf(stderr, "        RSASHA256 | RSASHA512 | ECCGOST |\n");
+	fprintf(stderr, "        ECDSAP256SHA256 | ECDSAP384SHA384 |\n");
+	fprintf(stderr, "        ED25519 | ED448 | DH |\n");
+	fprintf(stderr, "        HMAC-MD5 | HMAC-SHA1 | HMAC-SHA224 | "
+				"HMAC-SHA256 | \n");
+	fprintf(stderr, "        HMAC-SHA384 | HMAC-SHA512\n");
+	fprintf(stderr, "       (default: RSASHA1, or "
+			       "NSEC3RSASHA1 if using -3)\n");
+	fprintf(stderr, "    -3: use NSEC3-capable algorithm\n");
+	fprintf(stderr, "    -b <key size in bits>:\n");
+	fprintf(stderr, "        RSAMD5:\t[512..%d]\n", MAX_RSA);
+	fprintf(stderr, "        RSASHA1:\t[512..%d]\n", MAX_RSA);
+	fprintf(stderr, "        NSEC3RSASHA1:\t[512..%d]\n", MAX_RSA);
+	fprintf(stderr, "        RSASHA256:\t[512..%d]\n", MAX_RSA);
+	fprintf(stderr, "        RSASHA512:\t[1024..%d]\n", MAX_RSA);
+	fprintf(stderr, "        DH:\t\t[128..4096]\n");
+	fprintf(stderr, "        DSA:\t\t[512..1024] and divisible by 64\n");
+	fprintf(stderr, "        NSEC3DSA:\t[512..1024] and divisible "
+				"by 64\n");
+	fprintf(stderr, "        ECCGOST:\tignored\n");
+	fprintf(stderr, "        ECDSAP256SHA256:\tignored\n");
+	fprintf(stderr, "        ECDSAP384SHA384:\tignored\n");
+	fprintf(stderr, "        ED25519:\tignored\n");
+	fprintf(stderr, "        ED448:\tignored\n");
+	fprintf(stderr, "        HMAC-MD5:\t[1..512]\n");
+	fprintf(stderr, "        HMAC-SHA1:\t[1..160]\n");
+	fprintf(stderr, "        HMAC-SHA224:\t[1..224]\n");
+	fprintf(stderr, "        HMAC-SHA256:\t[1..256]\n");
+	fprintf(stderr, "        HMAC-SHA384:\t[1..384]\n");
+	fprintf(stderr, "        HMAC-SHA512:\t[1..512]\n");
+	fprintf(stderr, "        (if using the default algorithm, key size\n"
+			"        defaults to 2048 for KSK, or 1024 for all "
+			"others)\n");
+	fprintf(stderr, "    -n <nametype>: ZONE | HOST | ENTITY | "
+					    "USER | OTHER\n");
+	fprintf(stderr, "        (DNSKEY generation defaults to ZONE)\n");
+	fprintf(stderr, "    -c <class>: (default: IN)\n");
+	fprintf(stderr, "    -d <digest bits> (0 => max, default)\n");
+	fprintf(stderr, "    -E <engine>:\n");
+#if defined(PKCS11CRYPTO)
+	fprintf(stderr, "        path to PKCS#11 provider library "
+				"(default is %s)\n", PK11_LIB_LOCATION);
+#elif defined(USE_PKCS11)
+	fprintf(stderr, "        name of an OpenSSL engine to use "
+				"(default is \"pkcs11\")\n");
+#else
+	fprintf(stderr, "        name of an OpenSSL engine to use\n");
+#endif
+	fprintf(stderr, "    -f <keyflag>: KSK | REVOKE\n");
+	fprintf(stderr, "    -g <generator>: use specified generator "
+			"(DH only)\n");
+	fprintf(stderr, "    -L <ttl>: default key TTL\n");
+	fprintf(stderr, "    -p <protocol>: (default: 3 [dnssec])\n");
+	fprintf(stderr, "    -r <randomdev>: a file containing random data\n");
+	fprintf(stderr, "    -s <strength>: strength value this key signs DNS "
+			"records with (default: 0)\n");
+	fprintf(stderr, "    -T <rrtype>: DNSKEY | KEY (default: DNSKEY; "
+			"use KEY for SIG(0))\n");
+	fprintf(stderr, "    -t <type>: "
+			"AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF "
+			"(default: AUTHCONF)\n");
+	fprintf(stderr, "    -h: print usage and exit\n");
+	fprintf(stderr, "    -m <memory debugging mode>:\n");
+	fprintf(stderr, "       usage | trace | record | size | mctx\n");
+	fprintf(stderr, "    -v <level>: set verbosity level (0 - 10)\n");
+	fprintf(stderr, "    -V: print version information\n");
+	fprintf(stderr, "Timing options:\n");
+	fprintf(stderr, "    -P date/[+-]offset/none: set key publication date "
+						"(default: now)\n");
+	fprintf(stderr, "    -P sync date/[+-]offset/none: set CDS and CDNSKEY "
+						"publication date\n");
+	fprintf(stderr, "    -A date/[+-]offset/none: set key activation date "
+						"(default: now)\n");
+	fprintf(stderr, "    -R date/[+-]offset/none: set key "
+						"revocation date\n");
+	fprintf(stderr, "    -I date/[+-]offset/none: set key "
+						"inactivation date\n");
+	fprintf(stderr, "    -D date/[+-]offset/none: set key deletion date\n");
+	fprintf(stderr, "    -D sync date/[+-]offset/none: set CDS and CDNSKEY "
+						"deletion date\n");
+
+	fprintf(stderr, "    -G: generate key only; do not set -P or -A\n");
+	fprintf(stderr, "    -C: generate a backward-compatible key, omitting "
+			"all dates\n");
+	fprintf(stderr, "    -S <key>: generate a successor to an existing "
+				      "key\n");
+	fprintf(stderr, "    -i <interval>: prepublication interval for "
+					   "successor key "
+					   "(default: 30 days)\n");
+	fprintf(stderr, "Output:\n");
+	fprintf(stderr, "     K<name>+<alg>+<id>.key, "
+			"K<name>+<alg>+<id>.private\n");
+
+	exit (-1);
+}
+
+static bool
+dsa_size_ok(int size) {
+	return (size >= 512 && size <= 1024 && size % 64 == 0);
+}
+
+static void
+progress(int p)
+{
+	char c = '*';
+
+	switch (p) {
+	case 0:
+		c = '.';
+		break;
+	case 1:
+		c = '+';
+		break;
+	case 2:
+		c = '*';
+		break;
+	case 3:
+		c = ' ';
+		break;
+	default:
+		break;
+	}
+	(void) putc(c, stderr);
+	(void) fflush(stderr);
+}
+
+int
+main(int argc, char **argv) {
+	char		*algname = NULL, *freeit = NULL;
+	char		*nametype = NULL, *type = NULL;
+	char		*classname = NULL;
+	char		*endp;
+	dst_key_t	*key = NULL;
+	dns_fixedname_t	fname;
+	dns_name_t	*name;
+	uint16_t	flags = 0, kskflag = 0, revflag = 0;
+	dns_secalg_t	alg;
+	bool	conflict = false, null_key = false;
+	bool	oldstyle = false;
+	isc_mem_t	*mctx = NULL;
+	int		ch, generator = 0, param = 0;
+	int		protocol = -1, size = -1, signatory = 0;
+	isc_result_t	ret;
+	isc_textregion_t r;
+	char		filename[255];
+	const char	*directory = NULL;
+	const char	*predecessor = NULL;
+	dst_key_t	*prevkey = NULL;
+	isc_buffer_t	buf;
+	isc_log_t	*log = NULL;
+	isc_entropy_t	*ectx = NULL;
+#ifdef USE_PKCS11
+	const char	*engine = PKCS11_ENGINE;
+#else
+	const char	*engine = NULL;
+#endif
+	dns_rdataclass_t rdclass;
+	int		options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC;
+	int		dbits = 0;
+	dns_ttl_t	ttl = 0;
+	bool	use_default = false, use_nsec3 = false;
+	isc_stdtime_t	publish = 0, activate = 0, revokekey = 0;
+	isc_stdtime_t	inactive = 0, deltime = 0;
+	isc_stdtime_t	now;
+	int		prepub = -1;
+	bool	setpub = false, setact = false;
+	bool	setrev = false, setinact = false;
+	bool	setdel = false, setttl = false;
+	bool	unsetpub = false, unsetact = false;
+	bool	unsetrev = false, unsetinact = false;
+	bool	unsetdel = false;
+	bool	genonly = false;
+	bool	quiet = false;
+	bool	show_progress = false;
+	unsigned char	c;
+	isc_stdtime_t	syncadd = 0, syncdel = 0;
+	bool	setsyncadd = false;
+	bool	setsyncdel = false;
+
+	if (argc == 1)
+		usage();
+
+#ifdef PKCS11CRYPTO
+	pk11_result_register();
+#endif
+	dns_result_register();
+
+	isc_commandline_errprint = false;
+
+	/*
+	 * Process memory debugging argument first.
+	 */
+#define CMDLINE_FLAGS "3A:a:b:Cc:D:d:E:eFf:Gg:hI:i:K:kL:m:n:P:p:qR:r:S:s:T:t:" \
+		      "v:V"
+	while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+		switch (ch) {
+		case 'm':
+			if (strcasecmp(isc_commandline_argument, "record") == 0)
+				isc_mem_debugging |= ISC_MEM_DEBUGRECORD;
+			if (strcasecmp(isc_commandline_argument, "trace") == 0)
+				isc_mem_debugging |= ISC_MEM_DEBUGTRACE;
+			if (strcasecmp(isc_commandline_argument, "usage") == 0)
+				isc_mem_debugging |= ISC_MEM_DEBUGUSAGE;
+			if (strcasecmp(isc_commandline_argument, "size") == 0)
+				isc_mem_debugging |= ISC_MEM_DEBUGSIZE;
+			if (strcasecmp(isc_commandline_argument, "mctx") == 0)
+				isc_mem_debugging |= ISC_MEM_DEBUGCTX;
+			break;
+		default:
+			break;
+		}
+	}
+	isc_commandline_reset = true;
+
+	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
+
+	isc_stdtime_get(&now);
+
+	while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
+	    switch (ch) {
+		case '3':
+			use_nsec3 = true;
+			break;
+		case 'a':
+			algname = isc_commandline_argument;
+			break;
+		case 'b':
+			size = strtol(isc_commandline_argument, &endp, 10);
+			if (*endp != '\0' || size < 0)
+				fatal("-b requires a non-negative number");
+			break;
+		case 'C':
+			oldstyle = true;
+			break;
+		case 'c':
+			classname = isc_commandline_argument;
+			break;
+		case 'd':
+			dbits = strtol(isc_commandline_argument, &endp, 10);
+			if (*endp != '\0' || dbits < 0)
+				fatal("-d requires a non-negative number");
+			break;
+		case 'E':
+			engine = isc_commandline_argument;
+			break;
+		case 'e':
+			fprintf(stderr,
+				"phased-out option -e "
+				"(was 'use (RSA) large exponent')\n");
+			break;
+		case 'f':
+			c = (unsigned char)(isc_commandline_argument[0]);
+			if (toupper(c) == 'K')
+				kskflag = DNS_KEYFLAG_KSK;
+			else if (toupper(c) == 'R')
+				revflag = DNS_KEYFLAG_REVOKE;
+			else
+				fatal("unknown flag '%s'",
+				      isc_commandline_argument);
+			break;
+		case 'g':
+			generator = strtol(isc_commandline_argument,
+					   &endp, 10);
+			if (*endp != '\0' || generator <= 0)
+				fatal("-g requires a positive number");
+			break;
+		case 'K':
+			directory = isc_commandline_argument;
+			ret = try_dir(directory);
+			if (ret != ISC_R_SUCCESS)
+				fatal("cannot open directory %s: %s",
+				      directory, isc_result_totext(ret));
+			break;
+		case 'k':
+			fatal("The -k option has been deprecated.\n"
+			      "To generate a key-signing key, use -f KSK.\n"
+			      "To generate a key with TYPE=KEY, use -T KEY.\n");
+			break;
+		case 'L':
+			ttl = strtottl(isc_commandline_argument);
+			setttl = true;
+			break;
+		case 'n':
+			nametype = isc_commandline_argument;
+			break;
+		case 'm':
+			break;
+		case 'p':
+			protocol = strtol(isc_commandline_argument, &endp, 10);
+			if (*endp != '\0' || protocol < 0 || protocol > 255)
+				fatal("-p must be followed by a number "
+				      "[0..255]");
+			break;
+		case 'q':
+			quiet = true;
+			break;
+		case 'r':
+			setup_entropy(mctx, isc_commandline_argument, &ectx);
+			break;
+		case 's':
+			signatory = strtol(isc_commandline_argument,
+					   &endp, 10);
+			if (*endp != '\0' || signatory < 0 || signatory > 15)
+				fatal("-s must be followed by a number "
+				      "[0..15]");
+			break;
+		case 'T':
+			if (strcasecmp(isc_commandline_argument, "KEY") == 0)
+				options |= DST_TYPE_KEY;
+			else if (strcasecmp(isc_commandline_argument,
+				 "DNSKEY") == 0)
+				/* default behavior */
+				;
+			else
+				fatal("unknown type '%s'",
+				      isc_commandline_argument);
+			break;
+		case 't':
+			type = isc_commandline_argument;
+			break;
+		case 'v':
+			endp = NULL;
+			verbose = strtol(isc_commandline_argument, &endp, 0);
+			if (*endp != '\0')
+				fatal("-v must be followed by a number");
+			break;
+		case 'z':
+			/* already the default */
+			break;
+		case 'G':
+			genonly = true;
+			break;
+		case 'P':
+			/* -Psync ? */
+			if (isoptarg("sync", argv, usage)) {
+				if (setsyncadd)
+					fatal("-P sync specified more than "
+					      "once");
+
+				syncadd = strtotime(isc_commandline_argument,
+						   now, now, &setsyncadd);
+				break;
+			}
+			(void)isoptarg("dnskey", argv, usage);
+			if (setpub || unsetpub)
+				fatal("-P specified more than once");
+
+			publish = strtotime(isc_commandline_argument,
+					    now, now, &setpub);
+			unsetpub = !setpub;
+			break;
+		case 'A':
+			if (setact || unsetact)
+				fatal("-A specified more than once");
+
+			activate = strtotime(isc_commandline_argument,
+					     now, now, &setact);
+			unsetact = !setact;
+			break;
+		case 'R':
+			if (setrev || unsetrev)
+				fatal("-R specified more than once");
+
+			revokekey = strtotime(isc_commandline_argument,
+					   now, now, &setrev);
+			unsetrev = !setrev;
+			break;
+		case 'I':
+			if (setinact || unsetinact)
+				fatal("-I specified more than once");
+
+			inactive = strtotime(isc_commandline_argument,
+					     now, now, &setinact);
+			unsetinact = !setinact;
+			break;
+		case 'D':
+			/* -Dsync ? */
+			if (isoptarg("sync", argv, usage)) {
+				if (setsyncdel)
+					fatal("-D sync specified more than "
+					      "once");
+
+				syncdel = strtotime(isc_commandline_argument,
+						   now, now, &setsyncdel);
+				break;
+			}
+			(void)isoptarg("dnskey", argv, usage);
+			if (setdel || unsetdel)
+				fatal("-D specified more than once");
+
+			deltime = strtotime(isc_commandline_argument,
+					    now, now, &setdel);
+			unsetdel = !setdel;
+			break;
+		case 'S':
+			predecessor = isc_commandline_argument;
+			break;
+		case 'i':
+			prepub = strtottl(isc_commandline_argument);
+			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 (!isatty(0))
+		quiet = true;
+
+	if (ectx == NULL)
+		setup_entropy(mctx, NULL, &ectx);
+	ret = dst_lib_init2(mctx, ectx, engine,
+			    ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
+	if (ret != ISC_R_SUCCESS)
+		fatal("could not initialize dst: %s",
+		      isc_result_totext(ret));
+
+	setup_logging(mctx, &log);
+
+	if (predecessor == NULL) {
+		if (prepub == -1)
+			prepub = 0;
+
+		if (argc < isc_commandline_index + 1)
+			fatal("the key name was not specified");
+		if (argc > isc_commandline_index + 1)
+			fatal("extraneous arguments");
+
+		name = dns_fixedname_initname(&fname);
+		isc_buffer_init(&buf, argv[isc_commandline_index],
+				strlen(argv[isc_commandline_index]));
+		isc_buffer_add(&buf, strlen(argv[isc_commandline_index]));
+		ret = dns_name_fromtext(name, &buf, dns_rootname, 0, NULL);
+		if (ret != ISC_R_SUCCESS)
+			fatal("invalid key name %s: %s",
+			      argv[isc_commandline_index],
+			      isc_result_totext(ret));
+
+		if (algname == NULL) {
+			use_default = true;
+			if (use_nsec3)
+				algname = strdup(DEFAULT_NSEC3_ALGORITHM);
+			else
+				algname = strdup(DEFAULT_ALGORITHM);
+			if (algname == NULL)
+				fatal("strdup failed");
+			freeit = algname;
+			if (verbose > 0)
+				fprintf(stderr, "no algorithm specified; "
+						"defaulting to %s\n", algname);
+		}
+
+		if (strcasecmp(algname, "RSA") == 0) {
+#ifndef PK11_MD5_DISABLE
+			fprintf(stderr, "The use of RSA (RSAMD5) is not "
+					"recommended.\nIf you still wish to "
+					"use RSA (RSAMD5) please specify "
+					"\"-a RSAMD5\"\n");
+			INSIST(freeit == NULL);
+			return (1);
+		} else if (strcasecmp(algname, "HMAC-MD5") == 0) {
+			alg = DST_ALG_HMACMD5;
+#else
+			fprintf(stderr,
+				"The use of RSA (RSAMD5) was disabled\n");
+			INSIST(freeit == NULL);
+			return (1);
+		} else if (strcasecmp(algname, "RSAMD5") == 0) {
+			fprintf(stderr, "The use of RSAMD5 was disabled\n");
+			INSIST(freeit == NULL);
+			return (1);
+		} else if (strcasecmp(algname, "HMAC-MD5") == 0) {
+			fprintf(stderr,
+				"The use of HMAC-MD5 was disabled\n");
+			return (1);
+#endif
+		} else if (strcasecmp(algname, "HMAC-SHA1") == 0)
+			alg = DST_ALG_HMACSHA1;
+		else if (strcasecmp(algname, "HMAC-SHA224") == 0)
+			alg = DST_ALG_HMACSHA224;
+		else if (strcasecmp(algname, "HMAC-SHA256") == 0)
+			alg = DST_ALG_HMACSHA256;
+		else if (strcasecmp(algname, "HMAC-SHA384") == 0)
+			alg = DST_ALG_HMACSHA384;
+		else if (strcasecmp(algname, "HMAC-SHA512") == 0)
+			alg = DST_ALG_HMACSHA512;
+		else {
+			r.base = algname;
+			r.length = strlen(algname);
+			ret = dns_secalg_fromtext(&alg, &r);
+			if (ret != ISC_R_SUCCESS)
+				fatal("unknown algorithm %s", algname);
+			if (alg == DST_ALG_DH)
+				options |= DST_TYPE_KEY;
+		}
+
+#ifdef PK11_MD5_DISABLE
+		INSIST((alg != DNS_KEYALG_RSAMD5) && (alg != DST_ALG_HMACMD5));
+#endif
+
+		if (!dst_algorithm_supported(alg))
+			fatal("unsupported algorithm: %d", alg);
+
+		if (use_nsec3 &&
+		    alg != DST_ALG_NSEC3DSA && alg != DST_ALG_NSEC3RSASHA1 &&
+		    alg != DST_ALG_RSASHA256 && alg!= DST_ALG_RSASHA512 &&
+		    alg != DST_ALG_ECCGOST &&
+		    alg != DST_ALG_ECDSA256 && alg != DST_ALG_ECDSA384 &&
+		    alg != DST_ALG_ED25519 && alg != DST_ALG_ED448) {
+			fatal("%s is incompatible with NSEC3; "
+			      "do not use the -3 option", algname);
+		}
+
+		if (type != NULL && (options & DST_TYPE_KEY) != 0) {
+			if (strcasecmp(type, "NOAUTH") == 0)
+				flags |= DNS_KEYTYPE_NOAUTH;
+			else if (strcasecmp(type, "NOCONF") == 0)
+				flags |= DNS_KEYTYPE_NOCONF;
+			else if (strcasecmp(type, "NOAUTHCONF") == 0) {
+				flags |= (DNS_KEYTYPE_NOAUTH |
+					  DNS_KEYTYPE_NOCONF);
+				if (size < 0)
+					size = 0;
+			}
+			else if (strcasecmp(type, "AUTHCONF") == 0)
+				/* nothing */;
+			else
+				fatal("invalid type %s", type);
+		}
+
+		if (size < 0) {
+			if (use_default) {
+				if ((kskflag & DNS_KEYFLAG_KSK) != 0)
+					size = 2048;
+				else
+					size = 1024;
+				if (verbose > 0)
+					fprintf(stderr, "key size not "
+							"specified; defaulting"
+							" to %d\n", size);
+			} else if (alg != DST_ALG_ECCGOST &&
+				   alg != DST_ALG_ECDSA256 &&
+				   alg != DST_ALG_ECDSA384 &&
+				   alg != DST_ALG_ED25519 &&
+				   alg != DST_ALG_ED448)
+				fatal("key size not specified (-b option)");
+		}
+
+		if (!oldstyle && prepub > 0) {
+			if (setpub && setact && (activate - prepub) < publish)
+				fatal("Activation and publication dates "
+				      "are closer together than the\n\t"
+				      "prepublication interval.");
+
+			if (!setpub && !setact) {
+				setpub = setact = true;
+				publish = now;
+				activate = now + prepub;
+			} else if (setpub && !setact) {
+				setact = true;
+				activate = publish + prepub;
+			} else if (setact && !setpub) {
+				setpub = true;
+				publish = activate - prepub;
+			}
+
+			if ((activate - prepub) < now)
+				fatal("Time until activation is shorter "
+				      "than the\n\tprepublication interval.");
+		}
+	} else {
+		char keystr[DST_KEY_FORMATSIZE];
+		isc_stdtime_t when;
+		int major, minor;
+
+		if (prepub == -1)
+			prepub = (30 * 86400);
+
+		if (algname != NULL)
+			fatal("-S and -a cannot be used together");
+		if (size >= 0)
+			fatal("-S and -b cannot be used together");
+		if (nametype != NULL)
+			fatal("-S and -n cannot be used together");
+		if (type != NULL)
+			fatal("-S and -t cannot be used together");
+		if (setpub || unsetpub)
+			fatal("-S and -P cannot be used together");
+		if (setact || unsetact)
+			fatal("-S and -A cannot be used together");
+		if (use_nsec3)
+			fatal("-S and -3 cannot be used together");
+		if (oldstyle)
+			fatal("-S and -C cannot be used together");
+		if (genonly)
+			fatal("-S and -G cannot be used together");
+
+		ret = dst_key_fromnamedfile(predecessor, directory,
+					    DST_TYPE_PUBLIC | DST_TYPE_PRIVATE,
+					    mctx, &prevkey);
+		if (ret != ISC_R_SUCCESS)
+			fatal("Invalid keyfile %s: %s",
+			      predecessor, isc_result_totext(ret));
+		if (!dst_key_isprivate(prevkey))
+			fatal("%s is not a private key", predecessor);
+
+		name = dst_key_name(prevkey);
+		alg = dst_key_alg(prevkey);
+		size = dst_key_size(prevkey);
+		flags = dst_key_flags(prevkey);
+
+		dst_key_format(prevkey, keystr, sizeof(keystr));
+		dst_key_getprivateformat(prevkey, &major, &minor);
+		if (major != DST_MAJOR_VERSION || minor < DST_MINOR_VERSION)
+			fatal("Key %s has incompatible format version %d.%d\n\t"
+			      "It is not possible to generate a successor key.",
+			      keystr, major, minor);
+
+		ret = dst_key_gettime(prevkey, DST_TIME_ACTIVATE, &when);
+		if (ret != ISC_R_SUCCESS)
+			fatal("Key %s has no activation date.\n\t"
+			      "You must use dnssec-settime -A to set one "
+			      "before generating a successor.", keystr);
+
+		ret = dst_key_gettime(prevkey, DST_TIME_INACTIVE, &activate);
+		if (ret != ISC_R_SUCCESS)
+			fatal("Key %s has no inactivation date.\n\t"
+			      "You must use dnssec-settime -I to set one "
+			      "before generating a successor.", keystr);
+
+		publish = activate - prepub;
+		if (publish < now)
+			fatal("Key %s becomes inactive\n\t"
+			      "sooner than the prepublication period "
+			      "for the new key ends.\n\t"
+			      "Either change the inactivation date with "
+			      "dnssec-settime -I,\n\t"
+			      "or use the -i option to set a shorter "
+			      "prepublication interval.", keystr);
+
+		ret = dst_key_gettime(prevkey, DST_TIME_DELETE, &when);
+		if (ret != ISC_R_SUCCESS)
+			fprintf(stderr, "%s: WARNING: Key %s has no removal "
+					"date;\n\t it will remain in the zone "
+					"indefinitely after rollover.\n\t "
+					"You can use dnssec-settime -D to "
+					"change this.\n", program, keystr);
+
+		setpub = setact = true;
+	}
+
+	switch (alg) {
+	case DNS_KEYALG_RSAMD5:
+	case DNS_KEYALG_RSASHA1:
+	case DNS_KEYALG_NSEC3RSASHA1:
+	case DNS_KEYALG_RSASHA256:
+		if (size != 0 && (size < 512 || size > MAX_RSA))
+			fatal("RSA key size %d out of range", size);
+		break;
+	case DNS_KEYALG_RSASHA512:
+		if (size != 0 && (size < 1024 || size > MAX_RSA))
+			fatal("RSA key size %d out of range", size);
+		break;
+	case DNS_KEYALG_DH:
+		if (size != 0 && (size < 128 || size > 4096))
+			fatal("DH key size %d out of range", size);
+		break;
+	case DNS_KEYALG_DSA:
+	case DNS_KEYALG_NSEC3DSA:
+		if (size != 0 && !dsa_size_ok(size))
+			fatal("invalid DSS key size: %d", size);
+		break;
+	case DST_ALG_ECCGOST:
+		size = 256;
+		break;
+	case DST_ALG_ECDSA256:
+		size = 256;
+		break;
+	case DST_ALG_ECDSA384:
+		size = 384;
+		break;
+	case DST_ALG_ED25519:
+		size = 256;
+		break;
+	case DST_ALG_ED448:
+		size = 456;
+		break;
+	case DST_ALG_HMACMD5:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 512)
+			fatal("HMAC-MD5 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 80 || dbits > 128))
+			fatal("HMAC-MD5 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-MD5 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	case DST_ALG_HMACSHA1:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 160)
+			fatal("HMAC-SHA1 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 80 || dbits > 160))
+			fatal("HMAC-SHA1 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-SHA1 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	case DST_ALG_HMACSHA224:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 224)
+			fatal("HMAC-SHA224 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 112 || dbits > 224))
+			fatal("HMAC-SHA224 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-SHA224 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	case DST_ALG_HMACSHA256:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 256)
+			fatal("HMAC-SHA256 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 128 || dbits > 256))
+			fatal("HMAC-SHA256 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-SHA256 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	case DST_ALG_HMACSHA384:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 384)
+			fatal("HMAC-384 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 192 || dbits > 384))
+			fatal("HMAC-SHA384 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-SHA384 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	case DST_ALG_HMACSHA512:
+		options |= DST_TYPE_KEY;
+		if (size < 1 || size > 512)
+			fatal("HMAC-SHA512 key size %d out of range", size);
+		if (dbits != 0 && (dbits < 256 || dbits > 512))
+			fatal("HMAC-SHA512 digest bits %d out of range", dbits);
+		if ((dbits % 8) != 0)
+			fatal("HMAC-SHA512 digest bits %d not divisible by 8",
+			      dbits);
+		break;
+	}
+
+	if (alg != DNS_KEYALG_DH && generator != 0)
+		fatal("specified DH generator for a non-DH key");
+
+	if (nametype == NULL) {
+		if ((options & DST_TYPE_KEY) != 0) /* KEY / HMAC */
+			fatal("no nametype specified");
+		flags |= DNS_KEYOWNER_ZONE;	/* DNSKEY */
+	} else if (strcasecmp(nametype, "zone") == 0)
+		flags |= DNS_KEYOWNER_ZONE;
+	else if ((options & DST_TYPE_KEY) != 0)	{ /* KEY / HMAC */
+		if (strcasecmp(nametype, "host") == 0 ||
+			 strcasecmp(nametype, "entity") == 0)
+			flags |= DNS_KEYOWNER_ENTITY;
+		else if (strcasecmp(nametype, "user") == 0)
+			flags |= DNS_KEYOWNER_USER;
+		else
+			fatal("invalid KEY nametype %s", nametype);
+	} else if (strcasecmp(nametype, "other") != 0) /* DNSKEY */
+		fatal("invalid DNSKEY nametype %s", nametype);
+
+	rdclass = strtoclass(classname);
+
+	if (directory == NULL)
+		directory = ".";
+
+	if ((options & DST_TYPE_KEY) != 0)  /* KEY / HMAC */
+		flags |= signatory;
+	else if ((flags & DNS_KEYOWNER_ZONE) != 0) { /* DNSKEY */
+		flags |= kskflag;
+		flags |= revflag;
+	}
+
+	if (protocol == -1)
+		protocol = DNS_KEYPROTO_DNSSEC;
+	else if ((options & DST_TYPE_KEY) == 0 &&
+		 protocol != DNS_KEYPROTO_DNSSEC)
+		fatal("invalid DNSKEY protocol: %d", protocol);
+
+	if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) {
+		if (size > 0)
+			fatal("specified null key with non-zero size");
+		if ((flags & DNS_KEYFLAG_SIGNATORYMASK) != 0)
+			fatal("specified null key with signing authority");
+	}
+
+	if ((flags & DNS_KEYFLAG_OWNERMASK) == DNS_KEYOWNER_ZONE &&
+	    (alg == DNS_KEYALG_DH || alg == DST_ALG_HMACMD5 ||
+	     alg == DST_ALG_HMACSHA1 || alg == DST_ALG_HMACSHA224 ||
+	     alg == DST_ALG_HMACSHA256 || alg == DST_ALG_HMACSHA384 ||
+	     alg == DST_ALG_HMACSHA512))
+		fatal("a key with algorithm '%s' cannot be a zone key",
+		      algname);
+
+	switch(alg) {
+	case DNS_KEYALG_RSAMD5:
+	case DNS_KEYALG_RSASHA1:
+	case DNS_KEYALG_NSEC3RSASHA1:
+	case DNS_KEYALG_RSASHA256:
+	case DNS_KEYALG_RSASHA512:
+		show_progress = true;
+		break;
+
+	case DNS_KEYALG_DH:
+		param = generator;
+		break;
+
+	case DNS_KEYALG_DSA:
+	case DNS_KEYALG_NSEC3DSA:
+	case DST_ALG_ECCGOST:
+	case DST_ALG_ECDSA256:
+	case DST_ALG_ECDSA384:
+	case DST_ALG_ED25519:
+	case DST_ALG_ED448:
+		show_progress = true;
+		/* fall through */
+
+	case DST_ALG_HMACMD5:
+	case DST_ALG_HMACSHA1:
+	case DST_ALG_HMACSHA224:
+	case DST_ALG_HMACSHA256:
+	case DST_ALG_HMACSHA384:
+	case DST_ALG_HMACSHA512:
+		param = 0;
+		break;
+	}
+
+	if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY)
+		null_key = true;
+
+	isc_buffer_init(&buf, filename, sizeof(filename) - 1);
+
+	do {
+		conflict = false;
+
+		if (!quiet && show_progress) {
+			fprintf(stderr, "Generating key pair.");
+			ret = dst_key_generate2(name, alg, size, param, flags,
+						protocol, rdclass, mctx, &key,
+						&progress);
+			putc('\n', stderr);
+			fflush(stderr);
+		} else {
+			ret = dst_key_generate2(name, alg, size, param, flags,
+						protocol, rdclass, mctx, &key,
+						NULL);
+		}
+
+		isc_entropy_stopcallbacksources(ectx);
+
+		if (ret != ISC_R_SUCCESS) {
+			char namestr[DNS_NAME_FORMATSIZE];
+			char algstr[DNS_SECALG_FORMATSIZE];
+			dns_name_format(name, namestr, sizeof(namestr));
+			dns_secalg_format(alg, algstr, sizeof(algstr));
+			fatal("failed to generate key %s/%s: %s\n",
+			      namestr, algstr, isc_result_totext(ret));
+			/* NOTREACHED */
+			exit(-1);
+		}
+
+		dst_key_setbits(key, dbits);
+
+		/*
+		 * Set key timing metadata (unless using -C)
+		 *
+		 * Creation date is always set to "now".
+		 *
+		 * For a new key without an explicit predecessor, publish
+		 * and activation dates are set to "now" by default, but
+		 * can both be overridden.
+		 *
+		 * For a successor key, activation is set to match the
+		 * predecessor's inactivation date.  Publish is set to 30
+		 * days earlier than that (XXX: this should be configurable).
+		 * If either of the resulting dates are in the past, that's
+		 * an error; the inactivation date of the predecessor key
+		 * must be updated before a successor key can be created.
+		 */
+		if (!oldstyle) {
+			dst_key_settime(key, DST_TIME_CREATED, now);
+
+			if (genonly && (setpub || setact))
+				fatal("cannot use -G together with "
+				      "-P or -A options");
+
+			if (setpub)
+				dst_key_settime(key, DST_TIME_PUBLISH, publish);
+			else if (setact && !unsetpub)
+				dst_key_settime(key, DST_TIME_PUBLISH,
+						activate - prepub);
+			else if (!genonly && !unsetpub)
+				dst_key_settime(key, DST_TIME_PUBLISH, now);
+
+			if (setact)
+				dst_key_settime(key, DST_TIME_ACTIVATE,
+						activate);
+			else if (!genonly && !unsetact)
+				dst_key_settime(key, DST_TIME_ACTIVATE, now);
+
+			if (setrev) {
+				if (kskflag == 0)
+					fprintf(stderr, "%s: warning: Key is "
+						"not flagged as a KSK, but -R "
+						"was used. Revoking a ZSK is "
+						"legal, but undefined.\n",
+						program);
+				dst_key_settime(key, DST_TIME_REVOKE, revokekey);
+			}
+
+			if (setinact)
+				dst_key_settime(key, DST_TIME_INACTIVE,
+						inactive);
+
+			if (setdel) {
+				if (setinact && deltime < inactive)
+					fprintf(stderr, "%s: warning: Key is "
+						"scheduled to be deleted "
+						"before it is scheduled to be "
+						"made inactive.\n",
+						program);
+				dst_key_settime(key, DST_TIME_DELETE, deltime);
+			}
+
+			if (setsyncadd)
+				dst_key_settime(key, DST_TIME_SYNCPUBLISH,
+						syncadd);
+
+			if (setsyncdel)
+				dst_key_settime(key, DST_TIME_SYNCDELETE,
+						syncdel);
+
+		} else {
+			if (setpub || setact || setrev || setinact ||
+			    setdel || unsetpub || unsetact ||
+			    unsetrev || unsetinact || unsetdel || genonly ||
+			    setsyncadd || setsyncdel)
+				fatal("cannot use -C together with "
+				      "-P, -A, -R, -I, -D, or -G options");
+			/*
+			 * Compatibility mode: Private-key-format
+			 * should be set to 1.2.
+			 */
+			dst_key_setprivateformat(key, 1, 2);
+		}
+
+		/* Set the default key TTL */
+		if (setttl)
+			dst_key_setttl(key, ttl);
+
+		/*
+		 * Do not overwrite an existing key, or create a key
+		 * if there is a risk of ID collision due to this key
+		 * or another key being revoked.
+		 */
+		if (key_collision(key, name, directory, mctx, NULL)) {
+			conflict = true;
+			if (null_key) {
+				dst_key_free(&key);
+				break;
+			}
+
+			if (verbose > 0) {
+				isc_buffer_clear(&buf);
+				ret = dst_key_buildfilename(key, 0,
+							    directory, &buf);
+				if (ret == ISC_R_SUCCESS)
+					fprintf(stderr,
+						"%s: %s already exists, or "
+						"might collide with another "
+						"key upon revokation.  "
+						"Generating a new key\n",
+						program, filename);
+			}
+
+			dst_key_free(&key);
+		}
+	} while (conflict == true);
+
+	if (conflict)
+		fatal("cannot generate a null key due to possible key ID "
+		      "collision");
+
+	ret = dst_key_tofile(key, options, directory);
+	if (ret != ISC_R_SUCCESS) {
+		char keystr[DST_KEY_FORMATSIZE];
+		dst_key_format(key, keystr, sizeof(keystr));
+		fatal("failed to write key %s: %s\n", keystr,
+		      isc_result_totext(ret));
+	}
+
+	isc_buffer_clear(&buf);
+	ret = dst_key_buildfilename(key, 0, NULL, &buf);
+	if (ret != ISC_R_SUCCESS)
+		fatal("dst_key_buildfilename returned: %s\n",
+		      isc_result_totext(ret));
+	printf("%s\n", filename);
+	dst_key_free(&key);
+	if (prevkey != NULL)
+		dst_key_free(&prevkey);
+
+	cleanup_logging(&log);
+	cleanup_entropy(&ectx);
+	dst_lib_destroy();
+	dns_name_destroy();
+	if (verbose > 10)
+		isc_mem_stats(mctx, stdout);
+	isc_mem_destroy(&mctx);
+
+	if (freeit != NULL)
+		free(freeit);
+
+	return (0);
+}