/*
* Copyright (C) 2003-2012 Free Software Foundation, Inc.
* Copyright (C) 2017 Red Hat, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>
*
*/
#ifndef GNUTLS_LIB_X509_COMMON_H
#define GNUTLS_LIB_X509_COMMON_H
#include <algorithms.h>
#include <abstract_int.h>
#include <x509/x509_int.h>
#include <fips.h>
#define MAX_STRING_LEN 512
#if defined(FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION)
# define MAX_ITER_COUNT 10*1024
#else
/* Set a maximum iteration count over which we refuse to
* decode a file. That is to prevent DoS. */
# define MAX_ITER_COUNT (10*1024*1024)
#endif
#define GNUTLS_XML_SHOW_ALL 1
#define PEM_CRL "X509 CRL"
#define PEM_X509_CERT "X509 CERTIFICATE"
#define PEM_X509_CERT2 "CERTIFICATE"
#define PEM_PKCS7 "PKCS7"
#define PEM_PKCS12 "PKCS12"
#define PEM_PK "PUBLIC KEY"
/* public key algorithm's OIDs
*/
#define PK_PKIX1_RSA_OID "1.2.840.113549.1.1.1"
#define PK_PKIX1_RSA_PSS_OID "1.2.840.113549.1.1.10"
#define PK_X509_RSA_OID "2.5.8.1.1"
#define PK_DSA_OID "1.2.840.10040.4.1"
#define PK_GOST_R3410_94_OID "1.2.643.2.2.20"
#define PK_GOST_R3410_2001_OID "1.2.643.2.2.19"
#define PK_GOST_R3410_2012_256_OID "1.2.643.7.1.1.1.1"
#define PK_GOST_R3410_2012_512_OID "1.2.643.7.1.1.1.2"
/* signature OIDs
*/
#define SIG_DSA_SHA1_OID "1.2.840.10040.4.3"
/* those two from draft-ietf-pkix-sha2-dsa-ecdsa-06 */
#define SIG_DSA_SHA224_OID "2.16.840.1.101.3.4.3.1"
#define SIG_DSA_SHA256_OID "2.16.840.1.101.3.4.3.2"
#define SIG_DSA_SHA384_OID "2.16.840.1.101.3.4.3.3"
#define SIG_DSA_SHA512_OID "2.16.840.1.101.3.4.3.4"
#define SIG_RSA_MD5_OID "1.2.840.113549.1.1.4"
#define SIG_RSA_MD2_OID "1.2.840.113549.1.1.2"
#define SIG_RSA_SHA1_OID "1.2.840.113549.1.1.5"
#define SIG_RSA_SHA224_OID "1.2.840.113549.1.1.14"
#define SIG_RSA_SHA256_OID "1.2.840.113549.1.1.11"
#define SIG_RSA_SHA384_OID "1.2.840.113549.1.1.12"
#define SIG_RSA_SHA512_OID "1.2.840.113549.1.1.13"
#define SIG_RSA_RMD160_OID "1.3.36.3.3.1.2"
#define SIG_GOST_R3410_94_OID "1.2.643.2.2.4"
#define SIG_GOST_R3410_2001_OID "1.2.643.2.2.3"
#define SIG_GOST_R3410_2012_256_OID "1.2.643.7.1.1.3.2"
#define SIG_GOST_R3410_2012_512_OID "1.2.643.7.1.1.3.3"
#define ISO_SIG_RSA_SHA1_OID "1.3.14.3.2.29"
#define SIG_DSA_SHA3_224_OID "2.16.840.1.101.3.4.3.5"
#define SIG_DSA_SHA3_256_OID "2.16.840.1.101.3.4.3.6"
#define SIG_DSA_SHA3_384_OID "2.16.840.1.101.3.4.3.7"
#define SIG_DSA_SHA3_512_OID "2.16.840.1.101.3.4.3.8"
#define SIG_ECDSA_SHA3_224_OID "2.16.840.1.101.3.4.3.9"
#define SIG_ECDSA_SHA3_256_OID "2.16.840.1.101.3.4.3.10"
#define SIG_ECDSA_SHA3_384_OID "2.16.840.1.101.3.4.3.11"
#define SIG_ECDSA_SHA3_512_OID "2.16.840.1.101.3.4.3.12"
#define SIG_RSA_SHA3_224_OID "2.16.840.1.101.3.4.3.13"
#define SIG_RSA_SHA3_256_OID "2.16.840.1.101.3.4.3.14"
#define SIG_RSA_SHA3_384_OID "2.16.840.1.101.3.4.3.15"
#define SIG_RSA_SHA3_512_OID "2.16.840.1.101.3.4.3.16"
#define SIG_EDDSA_SHA512_OID "1.3.101.112"
#define SIG_ED448_OID "1.3.101.113"
#define XMPP_OID "1.3.6.1.5.5.7.8.5"
#define KRB5_PRINCIPAL_OID "1.3.6.1.5.2.2"
#define PKIX1_RSA_PSS_MGF1_OID "1.2.840.113549.1.1.8"
#define GOST28147_89_OID "1.2.643.2.2.21"
#define GOST28147_89_TC26Z_OID "1.2.643.7.1.2.5.1.1"
#define GOST28147_89_CPA_OID "1.2.643.2.2.31.1"
#define GOST28147_89_CPB_OID "1.2.643.2.2.31.2"
#define GOST28147_89_CPC_OID "1.2.643.2.2.31.3"
#define GOST28147_89_CPD_OID "1.2.643.2.2.31.4"
#define ASN1_NULL "\x05\x00"
#define ASN1_NULL_SIZE 2
struct oid_to_string {
const char *oid;
unsigned oid_size;
const char *name_desc;
unsigned name_desc_size;
const char *asn_desc; /* description in the pkix file if complex type */
unsigned int etype; /* the libtasn1 ASN1_ETYPE or INVALID
* if cannot be simply parsed */
};
const struct oid_to_string *_gnutls_oid_get_entry(const struct oid_to_string *ots, const char *oid);
int _gnutls_x509_set_time(ASN1_TYPE c2, const char *where, time_t tim,
int force_general);
int
_gnutls_x509_set_raw_time(ASN1_TYPE c2, const char *where, time_t tim);
int _gnutls_x509_decode_string(unsigned int etype,
const uint8_t * der, size_t der_size,
gnutls_datum_t * output,
unsigned allow_ber);
int _gnutls_x509_encode_string(unsigned int etype,
const void *input_data, size_t input_size,
gnutls_datum_t * output);
int _gnutls_x509_dn_to_string(const char *OID, void *value,
int value_size, gnutls_datum_t * out);
const char *_gnutls_ldap_string_to_oid(const char *str, unsigned str_len);
time_t _gnutls_x509_get_time(ASN1_TYPE c2, const char *when, int general);
gnutls_x509_subject_alt_name_t _gnutls_x509_san_find_type(char *str_type);
int _gnutls_x509_der_encode_and_copy(ASN1_TYPE src, const char *src_name,
ASN1_TYPE dest, const char *dest_name,
int str);
int _gnutls_x509_der_encode(ASN1_TYPE src, const char *src_name,
gnutls_datum_t * res, int str);
#define _gnutls_x509_export_int(asn1, format, header, out, out_size) \
_gnutls_x509_export_int_named(asn1, "", format, header, out, out_size)
int _gnutls_x509_export_int_named(ASN1_TYPE asn1_data, const char *name,
gnutls_x509_crt_fmt_t format,
const char *pem_header,
unsigned char *output_data,
size_t * output_data_size);
#define _gnutls_x509_export_int2(asn1, format, header, out) \
_gnutls_x509_export_int_named2(asn1, "", format, header, out)
int _gnutls_x509_export_int_named2(ASN1_TYPE asn1_data, const char *name,
gnutls_x509_crt_fmt_t format,
const char *pem_header,
gnutls_datum_t * out);
int _gnutls_x509_read_value(ASN1_TYPE c, const char *root,
gnutls_datum_t * ret);
int _gnutls_x509_read_null_value(ASN1_TYPE c, const char *root,
gnutls_datum_t * ret);
int _gnutls_x509_read_string(ASN1_TYPE c, const char *root,
gnutls_datum_t * ret, unsigned int etype,
unsigned allow_ber);
int _gnutls_x509_write_value(ASN1_TYPE c, const char *root,
const gnutls_datum_t * data);
int _gnutls_x509_write_string(ASN1_TYPE c, const char *root,
const gnutls_datum_t * data,
unsigned int etype);
int _gnutls_x509_encode_and_write_attribute(const char *given_oid,
ASN1_TYPE asn1_struct,
const char *where,
const void *data,
int sizeof_data, int multi);
int _gnutls_x509_decode_and_read_attribute(ASN1_TYPE asn1_struct,
const char *where, char *oid,
int oid_size,
gnutls_datum_t * value,
int multi, int octet);
int _gnutls_x509_get_pk_algorithm(ASN1_TYPE src, const char *src_name,
gnutls_ecc_curve_t *curve,
unsigned int *bits);
int
_gnutls_x509_get_signature_algorithm(ASN1_TYPE src, const char *src_name);
int _gnutls_x509_encode_and_copy_PKI_params(ASN1_TYPE dst,
const char *dst_name,
const gnutls_pk_params_st * params);
int _gnutls_x509_encode_PKI_params(gnutls_datum_t * der,
const gnutls_pk_params_st * params);
int _gnutls_asn1_copy_node(ASN1_TYPE * dst, const char *dst_name,
ASN1_TYPE src, const char *src_name);
int _gnutls_x509_get_signed_data(ASN1_TYPE src, const gnutls_datum_t *der,
const char *src_name,
gnutls_datum_t * signed_data);
int _gnutls_x509_get_signature(ASN1_TYPE src, const char *src_name,
gnutls_datum_t * signature);
int _gnutls_get_asn_mpis(ASN1_TYPE asn, const char *root,
gnutls_pk_params_st * params);
int _gnutls_get_key_id(gnutls_pk_params_st *,
unsigned char *output_data,
size_t * output_data_size, unsigned flags);
void _asnstr_append_name(char *name, size_t name_size, const char *part1,
const char *part2);
/* Given a @c2 which it returns an allocated DER encoding of @whom in @out */
inline static int
_gnutls_x509_get_raw_field(ASN1_TYPE c2, const char *whom, gnutls_datum_t *out)
{
return _gnutls_x509_der_encode(c2, whom, out, 0);
}
int
_gnutls_x509_get_raw_field2(ASN1_TYPE c2, const gnutls_datum_t * raw,
const char *whom, gnutls_datum_t * dn);
unsigned
_gnutls_check_if_same_key(gnutls_x509_crt_t cert1,
gnutls_x509_crt_t cert2,
unsigned is_ca);
unsigned
_gnutls_check_if_same_key2(gnutls_x509_crt_t cert1,
gnutls_datum_t *cert2bin);
unsigned
_gnutls_check_valid_key_id(const gnutls_datum_t *key_id,
gnutls_x509_crt_t cert, time_t now,
unsigned *has_ski);
unsigned _gnutls_check_key_purpose(gnutls_x509_crt_t cert, const char *purpose, unsigned no_any);
time_t _gnutls_x509_generalTime2gtime(const char *ttime);
int _gnutls_get_extension(ASN1_TYPE asn, const char *root,
const char *extension_id, int indx,
gnutls_datum_t * ret, unsigned int *_critical);
int _gnutls_set_extension(ASN1_TYPE asn, const char *root,
const char *ext_id,
const gnutls_datum_t * ext_data, unsigned int critical);
int _gnutls_strdatum_to_buf(gnutls_datum_t * d, void *buf,
size_t * sizeof_buf);
unsigned _gnutls_is_same_dn(gnutls_x509_crt_t cert1, gnutls_x509_crt_t cert2);
int _gnutls_copy_string(const gnutls_datum_t* str, uint8_t *out, size_t *out_size);
int _gnutls_copy_data(const gnutls_datum_t* str, uint8_t *out, size_t *out_size);
int _gnutls_x509_decode_ext(const gnutls_datum_t *der, gnutls_x509_ext_st *out);
int _gnutls_x509_raw_crt_to_raw_pubkey(const gnutls_datum_t * cert,
gnutls_datum_t * rpubkey);
int _gnutls_x509_get_version(ASN1_TYPE root, const char *name);
int x509_crt_to_raw_pubkey(gnutls_x509_crt_t crt,
gnutls_datum_t * rpubkey);
typedef void (*gnutls_cert_vfunc)(gnutls_x509_crt_t);
gnutls_x509_crt_t *_gnutls_sort_clist(gnutls_x509_crt_t
sorted[DEFAULT_MAX_VERIFY_DEPTH],
gnutls_x509_crt_t * clist,
unsigned int *clist_size,
gnutls_cert_vfunc func);
int _gnutls_check_if_sorted(gnutls_x509_crt_t * crt, int nr);
inline static int _asn1_strict_der_decode (asn1_node * element, const void *ider,
int len, char *errorDescription)
{
#if defined(STRICT_DER_TIME) || !defined(ASN1_DECODE_FLAG_ALLOW_INCORRECT_TIME)
# define _ASN1_DER_FLAGS ASN1_DECODE_FLAG_STRICT_DER
#else
# define _ASN1_DER_FLAGS (ASN1_DECODE_FLAG_ALLOW_INCORRECT_TIME|ASN1_DECODE_FLAG_STRICT_DER)
#endif
return asn1_der_decoding2(element, ider, &len, _ASN1_DER_FLAGS, errorDescription);
}
#endif /* GNUTLS_LIB_X509_COMMON_H */