C++ (Cpp) dst_key_read_public Examples

Example #1

File: dst_api.c Project: execunix/vinos

isc_result_t
dst_key_fromnamedfile(const char *filename, const char *dirname,
		      int type, isc_mem_t *mctx, dst_key_t **keyp)
{
	isc_result_t result;
	dst_key_t *pubkey = NULL, *key = NULL;
	char *newfilename = NULL;
	int newfilenamelen = 0;
	isc_lex_t *lex = NULL;

	REQUIRE(dst_initialized == ISC_TRUE);
	REQUIRE(filename != NULL);
	REQUIRE((type & (DST_TYPE_PRIVATE | DST_TYPE_PUBLIC)) != 0);
	REQUIRE(mctx != NULL);
	REQUIRE(keyp != NULL && *keyp == NULL);

	/* If an absolute path is specified, don't use the key directory */
#ifndef WIN32
	if (filename[0] == '/')
		dirname = NULL;
#else /* WIN32 */
	if (filename[0] == '/' || filename[0] == '\\')
		dirname = NULL;
#endif

	newfilenamelen = strlen(filename) + 5;
	if (dirname != NULL)
		newfilenamelen += strlen(dirname) + 1;
	newfilename = isc_mem_get(mctx, newfilenamelen);
	if (newfilename == NULL)
		return (ISC_R_NOMEMORY);
	result = addsuffix(newfilename, newfilenamelen,
			   dirname, filename, ".key");
	INSIST(result == ISC_R_SUCCESS);

	result = dst_key_read_public(newfilename, type, mctx, &pubkey);
	isc_mem_put(mctx, newfilename, newfilenamelen);
	newfilename = NULL;
	RETERR(result);

	if ((type & (DST_TYPE_PRIVATE | DST_TYPE_PUBLIC)) == DST_TYPE_PUBLIC ||
	    (pubkey->key_flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY) {
		result = computeid(pubkey);
		if (result != ISC_R_SUCCESS) {
			dst_key_free(&pubkey);
			return (result);
		}

		*keyp = pubkey;
		return (ISC_R_SUCCESS);
	}

	result = algorithm_status(pubkey->key_alg);
	if (result != ISC_R_SUCCESS) {
		dst_key_free(&pubkey);
		return (result);
	}

	key = get_key_struct(pubkey->key_name, pubkey->key_alg,
			     pubkey->key_flags, pubkey->key_proto, 0,
			     pubkey->key_class, pubkey->key_ttl, mctx);
	if (key == NULL) {
		dst_key_free(&pubkey);
		return (ISC_R_NOMEMORY);
	}

	if (key->func->parse == NULL)
		RETERR(DST_R_UNSUPPORTEDALG);

	newfilenamelen = strlen(filename) + 9;
	if (dirname != NULL)
		newfilenamelen += strlen(dirname) + 1;
	newfilename = isc_mem_get(mctx, newfilenamelen);
	if (newfilename == NULL)
		RETERR(ISC_R_NOMEMORY);
	result = addsuffix(newfilename, newfilenamelen,
			   dirname, filename, ".private");
	INSIST(result == ISC_R_SUCCESS);

	RETERR(isc_lex_create(mctx, 1500, &lex));
	RETERR(isc_lex_openfile(lex, newfilename));
	isc_mem_put(mctx, newfilename, newfilenamelen);

	RETERR(key->func->parse(key, lex, pubkey));
	isc_lex_destroy(&lex);

	RETERR(computeid(key));

	if (pubkey->key_id != key->key_id)
		RETERR(DST_R_INVALIDPRIVATEKEY);
	dst_key_free(&pubkey);

	*keyp = key;
	return (ISC_R_SUCCESS);

 out:
	if (pubkey != NULL)
		dst_key_free(&pubkey);
	if (newfilename != NULL)
		isc_mem_put(mctx, newfilename, newfilenamelen);
	if (lex != NULL)
		isc_lex_destroy(&lex);
	if (key != NULL)
		dst_key_free(&key);
	return (result);
}

Example #2

File: dst_api.c Project: SylvestreG/bitrig

isc_result_t
dst_key_fromnamedfile(const char *filename, int type, isc_mem_t *mctx,
		      dst_key_t **keyp)
{
	isc_result_t result;
	dst_key_t *pubkey = NULL, *key = NULL;
	dns_keytag_t id;
	char *newfilename = NULL;
	int newfilenamelen = 0;
	isc_lex_t *lex = NULL;

	REQUIRE(dst_initialized == ISC_TRUE);
	REQUIRE(filename != NULL);
	REQUIRE((type & (DST_TYPE_PRIVATE | DST_TYPE_PUBLIC)) != 0);
	REQUIRE(mctx != NULL);
	REQUIRE(keyp != NULL && *keyp == NULL);

	newfilenamelen = strlen(filename) + 5;
	newfilename = isc_mem_get(mctx, newfilenamelen);
	if (newfilename == NULL)
		return (ISC_R_NOMEMORY);
	result = addsuffix(newfilename, newfilenamelen, filename, ".key");
	INSIST(result == ISC_R_SUCCESS);

	result = dst_key_read_public(newfilename, type, mctx, &pubkey);
	isc_mem_put(mctx, newfilename, newfilenamelen);
	newfilename = NULL;
	if (result != ISC_R_SUCCESS)
		return (result);

	if ((type & (DST_TYPE_PRIVATE | DST_TYPE_PUBLIC)) == DST_TYPE_PUBLIC ||
	    (pubkey->key_flags & DNS_KEYFLAG_TYPEMASK) == DNS_KEYTYPE_NOKEY)
	{
		result = computeid(pubkey);
		if (result != ISC_R_SUCCESS) {
			dst_key_free(&pubkey);
			return (result);
		}

		*keyp = pubkey;
		return (ISC_R_SUCCESS);
	}

	result = algorithm_status(pubkey->key_alg);
	if (result != ISC_R_SUCCESS) {
		dst_key_free(&pubkey);
		return (result);
	}

	key = get_key_struct(pubkey->key_name, pubkey->key_alg,
			     pubkey->key_flags, pubkey->key_proto, 0,
			     pubkey->key_class, mctx);
	id = pubkey->key_id;
	dst_key_free(&pubkey);

	if (key == NULL)
		return (ISC_R_NOMEMORY);

	if (key->func->parse == NULL)
		RETERR(DST_R_UNSUPPORTEDALG);

	newfilenamelen = strlen(filename) + 9;
	newfilename = isc_mem_get(mctx, newfilenamelen);
	if (newfilename == NULL)
		RETERR(ISC_R_NOMEMORY);
	result = addsuffix(newfilename, newfilenamelen, filename, ".private");
	INSIST(result == ISC_R_SUCCESS);

	RETERR(isc_lex_create(mctx, 1500, &lex));
	RETERR(isc_lex_openfile(lex, newfilename));
	isc_mem_put(mctx, newfilename, newfilenamelen);

	RETERR(key->func->parse(key, lex));
	isc_lex_destroy(&lex);

	RETERR(computeid(key));

	if (id != key->key_id)
		RETERR(DST_R_INVALIDPRIVATEKEY);

	*keyp = key;
	return (ISC_R_SUCCESS);
 out:
	if (newfilename != NULL)
		isc_mem_put(mctx, newfilename, newfilenamelen);
	if (lex != NULL)
		isc_lex_destroy(&lex);
	dst_key_free(&key);
	return (result);
}