aboutsummaryrefslogtreecommitdiff
path: root/contrib/bind9/bin/dnssec/dnssec-keygen.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/bind9/bin/dnssec/dnssec-keygen.c')
-rw-r--r--contrib/bind9/bin/dnssec/dnssec-keygen.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/contrib/bind9/bin/dnssec/dnssec-keygen.c b/contrib/bind9/bin/dnssec/dnssec-keygen.c
deleted file mode 100644
index 7feaf7c3d977..000000000000
--- a/contrib/bind9/bin/dnssec/dnssec-keygen.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * Portions Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (C) 2000-2003 Internet Software Consortium.
- * Portions Copyright (C) 1995-2000 by Network Associates, Inc.
- *
- * Permission to use, copy, modify, and 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.
- */
-
-/* $Id: dnssec-keygen.c,v 1.48.2.1.10.11 2004/06/11 01:17:34 marka Exp $ */
-
-#include <config.h>
-
-#include <stdlib.h>
-
-#include <isc/buffer.h>
-#include <isc/commandline.h>
-#include <isc/entropy.h>
-#include <isc/mem.h>
-#include <isc/region.h>
-#include <isc/string.h>
-#include <isc/util.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>
-
-#include "dnssectool.h"
-
-#define MAX_RSA 4096 /* should be long enough... */
-
-const char *program = "dnssec-keygen";
-int verbose;
-
-static const char *algs = "RSA | RSAMD5 | DH | DSA | RSASHA1 | HMAC-MD5";
-
-static isc_boolean_t
-dsa_size_ok(int size) {
- return (ISC_TF(size >= 512 && size <= 1024 && size % 64 == 0));
-}
-
-static void
-usage(void) {
- fprintf(stderr, "Usage:\n");
- fprintf(stderr, " %s -a alg -b bits -n type [options] name\n\n",
- program);
- fprintf(stderr, "Version: %s\n", VERSION);
- fprintf(stderr, "Required options:\n");
- fprintf(stderr, " -a algorithm: %s\n", algs);
- fprintf(stderr, " -b key size, in bits:\n");
- fprintf(stderr, " RSAMD5:\t\t[512..%d]\n", MAX_RSA);
- fprintf(stderr, " RSASHA1:\t\t[512..%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, " HMAC-MD5:\t[1..512]\n");
- fprintf(stderr, " -n nametype: ZONE | HOST | ENTITY | USER | OTHER\n");
- fprintf(stderr, " name: owner of the key\n");
- fprintf(stderr, "Other options:\n");
- fprintf(stderr, " -c <class> (default: IN)\n");
- fprintf(stderr, " -e use large exponent (RSAMD5/RSASHA1 only)\n");
- fprintf(stderr, " -f keyflag: KSK\n");
- fprintf(stderr, " -g <generator> use specified generator "
- "(DH only)\n");
- fprintf(stderr, " -t <type>: "
- "AUTHCONF | NOAUTHCONF | NOAUTH | NOCONF "
- "(default: AUTHCONF)\n");
- fprintf(stderr, " -p <protocol>: "
- "default: 3 [dnssec]\n");
- fprintf(stderr, " -s <strength> strength value this key signs DNS "
- "records with (default: 0)\n");
- fprintf(stderr, " -r <randomdev>: a file containing random data\n");
- fprintf(stderr, " -v <verbose level>\n");
- fprintf(stderr, " -k : generate a TYPE=KEY key\n");
- fprintf(stderr, "Output:\n");
- fprintf(stderr, " K<name>+<alg>+<id>.key, "
- "K<name>+<alg>+<id>.private\n");
-
- exit (-1);
-}
-
-int
-main(int argc, char **argv) {
- char *algname = NULL, *nametype = NULL, *type = NULL;
- char *classname = NULL;
- char *endp;
- dst_key_t *key = NULL, *oldkey;
- dns_fixedname_t fname;
- dns_name_t *name;
- isc_uint16_t flags = 0, ksk = 0;
- dns_secalg_t alg;
- isc_boolean_t conflict = ISC_FALSE, null_key = ISC_FALSE;
- isc_mem_t *mctx = NULL;
- int ch, rsa_exp = 0, generator = 0, param = 0;
- int protocol = -1, size = -1, signatory = 0;
- isc_result_t ret;
- isc_textregion_t r;
- char filename[255];
- isc_buffer_t buf;
- isc_log_t *log = NULL;
- isc_entropy_t *ectx = NULL;
- dns_rdataclass_t rdclass;
- int options = DST_TYPE_PRIVATE | DST_TYPE_PUBLIC;
-
- if (argc == 1)
- usage();
-
- RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);
-
- dns_result_register();
-
- while ((ch = isc_commandline_parse(argc, argv,
- "a:b:c:ef:g:kn:t:p:s:r:v:h")) != -1)
- {
- switch (ch) {
- 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':
- classname = isc_commandline_argument;
- break;
- case 'e':
- rsa_exp = 1;
- break;
- case 'f':
- if (strcasecmp(isc_commandline_argument, "KSK") == 0)
- ksk = DNS_KEYFLAG_KSK;
- 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':
- options |= DST_TYPE_KEY;
- break;
- case 'n':
- nametype = isc_commandline_argument;
- break;
- case 't':
- type = isc_commandline_argument;
- 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 '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 'r':
- setup_entropy(mctx, isc_commandline_argument, &ectx);
- 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 'h':
- usage();
- default:
- fprintf(stderr, "%s: invalid argument -%c\n",
- program, ch);
- usage();
- }
- }
-
- if (ectx == NULL)
- setup_entropy(mctx, NULL, &ectx);
- ret = dst_lib_init(mctx, ectx,
- ISC_ENTROPY_BLOCKING | ISC_ENTROPY_GOODONLY);
- if (ret != ISC_R_SUCCESS)
- fatal("could not initialize dst");
-
- setup_logging(verbose, mctx, &log);
-
- if (argc < isc_commandline_index + 1)
- fatal("the key name was not specified");
- if (argc > isc_commandline_index + 1)
- fatal("extraneous arguments");
-
- if (algname == NULL)
- fatal("no algorithm was specified");
- if (strcasecmp(algname, "HMAC-MD5") == 0) {
- options |= DST_TYPE_KEY;
- alg = DST_ALG_HMACMD5;
- } 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;
- }
-
- 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)
- fatal("key size not specified (-b option)");
-
- switch (alg) {
- case DNS_KEYALG_RSAMD5:
- case DNS_KEYALG_RSASHA1:
- if (size != 0 && (size < 512 || 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:
- if (size != 0 && !dsa_size_ok(size))
- fatal("invalid DSS key size: %d", size);
- break;
- case DST_ALG_HMACMD5:
- if (size < 1 || size > 512)
- fatal("HMAC-MD5 key size %d out of range", size);
- break;
- }
-
- if (!(alg == DNS_KEYALG_RSAMD5 || alg == DNS_KEYALG_RSASHA1) &&
- rsa_exp != 0)
- fatal("specified RSA exponent for a non-RSA key");
-
- if (alg != DNS_KEYALG_DH && generator != 0)
- fatal("specified DH generator for a non-DH key");
-
- if (nametype == NULL)
- fatal("no nametype specified");
- if (strcasecmp(nametype, "zone") == 0)
- flags |= DNS_KEYOWNER_ZONE;
- else if ((options & DST_TYPE_KEY) != 0) { /* KEY */
- 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 ((options & DST_TYPE_KEY) != 0) /* KEY */
- flags |= signatory;
- else if ((flags & DNS_KEYOWNER_ZONE) != 0) /* DNSKEY */
- flags |= ksk;
-
- 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))
- fatal("a key with algorithm '%s' cannot be a zone key",
- algname);
-
- dns_fixedname_init(&fname);
- name = dns_fixedname_name(&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, ISC_FALSE, NULL);
- if (ret != ISC_R_SUCCESS)
- fatal("invalid key name %s: %s", argv[isc_commandline_index],
- isc_result_totext(ret));
-
- switch(alg) {
- case DNS_KEYALG_RSAMD5:
- case DNS_KEYALG_RSASHA1:
- param = rsa_exp;
- break;
- case DNS_KEYALG_DH:
- param = generator;
- break;
- case DNS_KEYALG_DSA:
- case DST_ALG_HMACMD5:
- param = 0;
- break;
- }
-
- if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY)
- null_key = ISC_TRUE;
-
- isc_buffer_init(&buf, filename, sizeof(filename) - 1);
-
- do {
- conflict = ISC_FALSE;
- oldkey = NULL;
-
- /* generate the key */
- ret = dst_key_generate(name, alg, size, param, flags, protocol,
- rdclass, mctx, &key);
- isc_entropy_stopcallbacksources(ectx);
-
- if (ret != ISC_R_SUCCESS) {
- char namestr[DNS_NAME_FORMATSIZE];
- char algstr[ALG_FORMATSIZE];
- dns_name_format(name, namestr, sizeof(namestr));
- alg_format(alg, algstr, sizeof(algstr));
- fatal("failed to generate key %s/%s: %s\n",
- namestr, algstr, isc_result_totext(ret));
- exit(-1);
- }
-
- /*
- * Try to read a key with the same name, alg and id from disk.
- * If there is one we must continue generating a new one
- * unless we were asked to generate a null key, in which
- * case we return failure.
- */
- ret = dst_key_fromfile(name, dst_key_id(key), alg,
- DST_TYPE_PRIVATE, NULL, mctx, &oldkey);
- /* do not overwrite an existing key */
- if (ret == ISC_R_SUCCESS) {
- dst_key_free(&oldkey);
- conflict = ISC_TRUE;
- if (null_key)
- break;
- }
- if (conflict == ISC_TRUE) {
- if (verbose > 0) {
- isc_buffer_clear(&buf);
- ret = dst_key_buildfilename(key, 0, NULL, &buf);
- fprintf(stderr,
- "%s: %s already exists, "
- "generating a new key\n",
- program, filename);
- }
- dst_key_free(&key);
- }
-
- } while (conflict == ISC_TRUE);
-
- if (conflict)
- fatal("cannot generate a null key when a key with id 0 "
- "already exists");
-
- ret = dst_key_tofile(key, options, NULL);
- if (ret != ISC_R_SUCCESS) {
- char keystr[KEY_FORMATSIZE];
- 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);
- printf("%s\n", filename);
- dst_key_free(&key);
-
- cleanup_logging(&log);
- cleanup_entropy(&ectx);
- dst_lib_destroy();
- if (verbose > 10)
- isc_mem_stats(mctx, stdout);
- isc_mem_destroy(&mctx);
-
- return (0);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-22 16:31:48 +0000