コード例 #1
0
ファイル: cert_37.c プロジェクト: DHTNS/bind9-9.7.0-P1.dfsg
static inline isc_result_t
fromtext_cert(ARGS_FROMTEXT) {
	isc_token_t token;
	dns_secalg_t secalg;
	dns_cert_t cert;

	REQUIRE(type == 37);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(origin);
	UNUSED(options);
	UNUSED(callbacks);

	/*
	 * Cert type.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_cert_fromtext(&cert, &token.value.as_textregion));
	RETERR(uint16_tobuffer(cert, target));

	/*
	 * Key tag.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
				      ISC_FALSE));
	if (token.value.as_ulong > 0xffffU)
		RETTOK(ISC_R_RANGE);
	RETERR(uint16_tobuffer(token.value.as_ulong, target));

	/*
	 * Algorithm.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secalg_fromtext(&secalg, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &secalg, 1));

	return (isc_base64_tobuffer(lexer, target, -1));
}
コード例 #2
0
ファイル: dnskey_48.c プロジェクト: w796933/bind99damp
static inline isc_result_t
fromtext_dnskey(ARGS_FROMTEXT) {
	isc_token_t token;
	dns_secalg_t alg;
	dns_secproto_t proto;
	dns_keyflags_t flags;

	REQUIRE(type == 48);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(origin);
	UNUSED(options);
	UNUSED(callbacks);

	/* flags */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion));
	RETERR(uint16_tobuffer(flags, target));

	/* protocol */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &proto, 1));

	/* algorithm */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &alg, 1));

	/* No Key? */
	if ((flags & 0xc000) == 0xc000)
		return (ISC_R_SUCCESS);

	return (isc_base64_tobuffer(lexer, target, -1));
}
コード例 #3
0
ファイル: sig_24.c プロジェクト: fatman2021/netbsd-src
static inline isc_result_t
fromtext_sig(ARGS_FROMTEXT) {
	isc_token_t token;
	unsigned char c;
	long i;
	dns_rdatatype_t covered;
	char *e;
	isc_result_t result;
	dns_name_t name;
	isc_buffer_t buffer;
	isc_uint32_t time_signed, time_expire;

	REQUIRE(type == dns_rdatatype_sig);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(callbacks);

	/*
	 * Type covered.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	result = dns_rdatatype_fromtext(&covered, &token.value.as_textregion);
	if (result != ISC_R_SUCCESS && result != ISC_R_NOTIMPLEMENTED) {
		i = strtol(DNS_AS_STR(token), &e, 10);
		if (i < 0 || i > 65535)
			RETTOK(ISC_R_RANGE);
		if (*e != 0)
			RETTOK(result);
		covered = (dns_rdatatype_t)i;
	}
	RETERR(uint16_tobuffer(covered, target));

	/*
	 * Algorithm.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &c, 1));

	/*
	 * Labels.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
				      ISC_FALSE));
	if (token.value.as_ulong > 0xffU)
		RETTOK(ISC_R_RANGE);
	c = (unsigned char)token.value.as_ulong;
	RETERR(mem_tobuffer(target, &c, 1));

	/*
	 * Original ttl.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
				      ISC_FALSE));
	RETERR(uint32_tobuffer(token.value.as_ulong, target));

	/*
	 * Signature expiration.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_expire));
	RETERR(uint32_tobuffer(time_expire, target));

	/*
	 * Time signed.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &time_signed));
	RETERR(uint32_tobuffer(time_signed, target));

	/*
	 * Key footprint.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
				      ISC_FALSE));
	RETERR(uint16_tobuffer(token.value.as_ulong, target));

	/*
	 * Signer.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	dns_name_init(&name, NULL);
	buffer_fromregion(&buffer, &token.value.as_region);
	if (origin == NULL)
		origin = dns_rootname;
	RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));

	/*
	 * Sig.
	 */
	return (isc_base64_tobuffer(lexer, target, -1));
}
コード例 #4
0
ファイル: dnssec-keygen.c プロジェクト: OPSF/uClinux
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;
	int		dbits = 0;

	if (argc == 1)
		usage();

	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);

	dns_result_register();

	isc_commandline_errprint = ISC_FALSE;

	while ((ch = isc_commandline_parse(argc, argv,
					 "a:b:c:d: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 'd':
			dbits = strtol(isc_commandline_argument, &endp, 10);
			if (*endp != '\0' || dbits < 0)
				fatal("-d requires a non-negative number");
			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 '?':
			if (isc_commandline_option != '?')
				fprintf(stderr, "%s: invalid argument -%c\n",
					program, isc_commandline_option);
		case 'h':
			usage();

		default:
			fprintf(stderr, "%s: unhandled option -%c\n",
				program, isc_commandline_option);
			exit(1);
		}
	}

	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, "RSA") == 0) {
		fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n"
				"If you still wish to use RSA (RSAMD5) please "
				"specify \"-a RSAMD5\"\n");
		return (1);
	} else if (strcasecmp(algname, "HMAC-MD5") == 0) {
		options |= DST_TYPE_KEY;
		alg = DST_ALG_HMACMD5;
	} else if (strcasecmp(algname, "HMAC-SHA1") == 0) {
		options |= DST_TYPE_KEY;
		alg = DST_ALG_HMACSHA1;
	} else if (strcasecmp(algname, "HMAC-SHA224") == 0) {
		options |= DST_TYPE_KEY;
		alg = DST_ALG_HMACSHA224;
	} else if (strcasecmp(algname, "HMAC-SHA256") == 0) {
		options |= DST_TYPE_KEY;
		alg = DST_ALG_HMACSHA256;
	} else if (strcasecmp(algname, "HMAC-SHA384") == 0) {
		options |= DST_TYPE_KEY;
		alg = DST_ALG_HMACSHA384;
	} else if (strcasecmp(algname, "HMAC-SHA512") == 0) {
		options |= DST_TYPE_KEY;
		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;
	}

	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);
		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:
		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:
		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:
		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:
		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:
		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_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) {
		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 ((options & DST_TYPE_KEY) != 0)  /* KEY / HMAC */
		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 ||
	     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);

	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:
	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 = 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);
		}

		dst_key_setbits(key, dbits);

		/*
		 * 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();
	dns_name_destroy();
	if (verbose > 10)
		isc_mem_stats(mctx, stdout);
	isc_mem_destroy(&mctx);

	return (0);
}
コード例 #5
0
ファイル: ds_43.c プロジェクト: NZRS/bind9-collab
static inline isc_result_t
generic_fromtext_ds(ARGS_FROMTEXT) {
	isc_token_t token;
	unsigned char c;
	int length;

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(origin);
	UNUSED(options);
	UNUSED(callbacks);

	/*
	 * Key tag.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
				      ISC_FALSE));
	if (token.value.as_ulong > 0xffffU)
		RETTOK(ISC_R_RANGE);
	RETERR(uint16_tobuffer(token.value.as_ulong, target));

	/*
	 * Algorithm.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secalg_fromtext(&c, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &c, 1));

	/*
	 * Digest type.
	 */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_dsdigest_fromtext(&c, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &c, 1));

	/*
	 * Digest.
	 */
	switch (c) {
	case DNS_DSDIGEST_SHA1:
		length = ISC_SHA1_DIGESTLENGTH;
		break;
	case DNS_DSDIGEST_SHA256:
		length = ISC_SHA256_DIGESTLENGTH;
		break;
#ifdef ISC_GOST_DIGESTLENGTH
	case DNS_DSDIGEST_GOST:
		length = ISC_GOST_DIGESTLENGTH;
		break;
#endif
	case DNS_DSDIGEST_SHA384:
		length = ISC_SHA384_DIGESTLENGTH;
		break;
	default:
		length = -1;
		break;
	}
	return (isc_hex_tobuffer(lexer, target, length));
}
コード例 #6
0
ファイル: keydata_65533.c プロジェクト: enukane/netbsd-src
static inline isc_result_t
fromtext_keydata(ARGS_FROMTEXT) {
	isc_result_t result;
	isc_token_t token;
	dns_secalg_t alg;
	dns_secproto_t proto;
	dns_keyflags_t flags;
	isc_uint32_t refresh, addhd, removehd;

	REQUIRE(type == 65533);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(origin);
	UNUSED(options);
	UNUSED(callbacks);

	/* refresh timer */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &refresh));
	RETERR(uint32_tobuffer(refresh, target));

	/* add hold-down */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &addhd));
	RETERR(uint32_tobuffer(addhd, target));

	/* remove hold-down */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_time32_fromtext(DNS_AS_STR(token), &removehd));
	RETERR(uint32_tobuffer(removehd, target));

	/* flags */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_keyflags_fromtext(&flags, &token.value.as_textregion));
	RETERR(uint16_tobuffer(flags, target));

	/* protocol */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secproto_fromtext(&proto, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &proto, 1));

	/* algorithm */
	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
				      ISC_FALSE));
	RETTOK(dns_secalg_fromtext(&alg, &token.value.as_textregion));
	RETERR(mem_tobuffer(target, &alg, 1));

	/* No Key? */
	if ((flags & 0xc000) == 0xc000)
		return (ISC_R_SUCCESS);

	result = isc_base64_tobuffer(lexer, target, -1);
	if (result != ISC_R_SUCCESS)
		return (result);

	/* Ensure there's at least enough data to compute a key ID for MD5 */
	if (alg == DST_ALG_RSAMD5 && isc_buffer_usedlength(target) < 19)
		return (ISC_R_UNEXPECTEDEND);

	return (ISC_R_SUCCESS);
}
コード例 #7
0
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	null_key = ISC_FALSE;
	isc_mem_t	*mctx = NULL;
	int		ch;
	int		protocol = -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;
	char		*label = NULL;

	if (argc == 1)
		usage();

	RUNTIME_CHECK(isc_mem_create(0, 0, &mctx) == ISC_R_SUCCESS);

	dns_result_register();

	isc_commandline_errprint = ISC_FALSE;

	while ((ch = isc_commandline_parse(argc, argv,
					 "a:c:f:kl:n:p:t:v:h")) != -1)
	{
	    switch (ch) {
		case 'a':
			algname = isc_commandline_argument;
			break;
		case 'c':
			classname = isc_commandline_argument;
			break;
		case 'f':
			if (strcasecmp(isc_commandline_argument, "KSK") == 0)
				ksk = DNS_KEYFLAG_KSK;
			else
				fatal("unknown flag '%s'",
				      isc_commandline_argument);
			break;
		case 'k':
			options |= DST_TYPE_KEY;
			break;
		case 'l':
			label = isc_commandline_argument;
			break;
		case 'n':
			nametype = 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 't':
			type = 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 '?':
			if (isc_commandline_option != '?')
				fprintf(stderr, "%s: invalid argument -%c\n",
					program, isc_commandline_option);
		case 'h':
			usage();

		default:
			fprintf(stderr, "%s: unhandled option -%c\n",
				program, isc_commandline_option);
			exit(1);
		}
	}

	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 (label == NULL)
		fatal("the key label was not specified");
	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, "RSA") == 0) {
		fprintf(stderr, "The use of RSA (RSAMD5) is not recommended.\n"
				"If you still wish to use RSA (RSAMD5) please "
				"specify \"-a RSAMD5\"\n");
		return (1);
	} 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);
		}
		else if (strcasecmp(type, "AUTHCONF") == 0)
			/* nothing */;
		else
			fatal("invalid type %s", type);
	}

	if (nametype == NULL) {
		if ((options & DST_TYPE_KEY) != 0) /* KEY */
			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 */
		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 ((flags & DNS_KEYFLAG_SIGNATORYMASK) != 0)
			fatal("specified null key with signing authority");
	}

	if ((flags & DNS_KEYFLAG_OWNERMASK) == DNS_KEYOWNER_ZONE &&
	    alg == DNS_KEYALG_DH)
		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));

	if ((flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY)
		null_key = ISC_TRUE;

	isc_buffer_init(&buf, filename, sizeof(filename) - 1);

	/* associate the key */
	ret = dst_key_fromlabel(name, alg, flags, protocol,
				rdclass, "", label, NULL, 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) {
		isc_buffer_clear(&buf);
		ret = dst_key_buildfilename(key, 0, NULL, &buf);
		fprintf(stderr, "%s: %s already exists\n",
			program, filename);
		dst_key_free(&key);
		exit (1);
	}

	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();
	dns_name_destroy();
	if (verbose > 10)
		isc_mem_stats(mctx, stdout);
	isc_mem_destroy(&mctx);

	return (0);
}
コード例 #8
0
ファイル: sample.c プロジェクト: VargMon/netbsd-cvs-mirror
static void
set_key(dns_client_t *client, char *keynamestr, char *keystr,
	isc_boolean_t is_sep, isc_mem_t **mctxp)
{
	isc_result_t result;
	dns_fixedname_t fkeyname;
	size_t namelen;
	dns_name_t *keyname;
	dns_rdata_dnskey_t keystruct;
	unsigned char keydata[4096];
	isc_buffer_t keydatabuf;
	unsigned char rrdata[4096];
	isc_buffer_t rrdatabuf;
	isc_buffer_t b;
	isc_textregion_t tr;
	isc_region_t r;
	dns_secalg_t alg;

	result = isc_mem_create(0, 0, mctxp);
	if (result != ISC_R_SUCCESS) {
		fprintf(stderr, "failed to crate mctx\n");
		exit(1);
	}

	if (algname != NULL) {
		tr.base = algname;
		tr.length = strlen(algname);
		result = dns_secalg_fromtext(&alg, &tr);
		if (result != ISC_R_SUCCESS) {
			fprintf(stderr, "failed to identify the algorithm\n");
			exit(1);
		}
	} else
		alg = DNS_KEYALG_RSASHA1;

	keystruct.common.rdclass = dns_rdataclass_in;
	keystruct.common.rdtype = dns_rdatatype_dnskey;
	keystruct.flags = DNS_KEYOWNER_ZONE; /* fixed */
	if (is_sep)
		keystruct.flags |= DNS_KEYFLAG_KSK;
	keystruct.protocol = DNS_KEYPROTO_DNSSEC; /* fixed */
	keystruct.algorithm = alg;

	isc_buffer_init(&keydatabuf, keydata, sizeof(keydata));
	isc_buffer_init(&rrdatabuf, rrdata, sizeof(rrdata));
	result = isc_base64_decodestring(keystr, &keydatabuf);
	if (result != ISC_R_SUCCESS) {
		fprintf(stderr, "base64 decode failed\n");
		exit(1);
	}
	isc_buffer_usedregion(&keydatabuf, &r);
	keystruct.datalen = r.length;
	keystruct.data = r.base;

	result = dns_rdata_fromstruct(NULL, keystruct.common.rdclass,
				      keystruct.common.rdtype,
				      &keystruct, &rrdatabuf);
	if (result != ISC_R_SUCCESS) {
		fprintf(stderr, "failed to construct key rdata\n");
		exit(1);
	}
	namelen = strlen(keynamestr);
	isc_buffer_init(&b, keynamestr, namelen);
	isc_buffer_add(&b, namelen);
	dns_fixedname_init(&fkeyname);
	keyname = dns_fixedname_name(&fkeyname);
	result = dns_name_fromtext(keyname, &b, dns_rootname, 0, NULL);
	if (result != ISC_R_SUCCESS) {
		fprintf(stderr, "failed to construct key name\n");
		exit(1);
	}
	result = dns_client_addtrustedkey(client, dns_rdataclass_in,
					  keyname, &rrdatabuf);
	if (result != ISC_R_SUCCESS) {
		fprintf(stderr, "failed to add key for %s\n",
			keynamestr);
		exit(1);
	}
}