[398] | 1 | /*
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| 2 | * X.509 common functions for parsing and verification
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| 3 | *
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| 4 | * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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| 5 | * SPDX-License-Identifier: Apache-2.0
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| 6 | *
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| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); you may
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| 8 | * not use this file except in compliance with the License.
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| 9 | * You may obtain a copy of the License at
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| 10 | *
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0
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| 12 | *
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| 13 | * Unless required by applicable law or agreed to in writing, software
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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| 15 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 16 | * See the License for the specific language governing permissions and
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| 17 | * limitations under the License.
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| 18 | *
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| 19 | * This file is part of mbed TLS (https://tls.mbed.org)
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| 20 | */
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| 21 | /*
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| 22 | * The ITU-T X.509 standard defines a certificate format for PKI.
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| 23 | *
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| 24 | * http://www.ietf.org/rfc/rfc5280.txt (Certificates and CRLs)
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| 25 | * http://www.ietf.org/rfc/rfc3279.txt (Alg IDs for CRLs)
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| 26 | * http://www.ietf.org/rfc/rfc2986.txt (CSRs, aka PKCS#10)
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| 27 | *
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| 28 | * http://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf
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| 29 | * http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
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| 30 | */
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| 31 |
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| 32 | #if !defined(MBEDTLS_CONFIG_FILE)
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| 33 | #include "mbedtls/config.h"
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| 34 | #else
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| 35 | #include MBEDTLS_CONFIG_FILE
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| 36 | #endif
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| 37 |
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| 38 | #if defined(MBEDTLS_X509_USE_C)
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| 39 |
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| 40 | #include "mbedtls/x509.h"
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| 41 | #include "mbedtls/asn1.h"
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| 42 | #include "mbedtls/oid.h"
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| 43 |
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| 44 | #include <stdio.h>
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| 45 | #include <string.h>
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| 46 |
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| 47 | #if defined(MBEDTLS_PEM_PARSE_C)
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| 48 | #include "mbedtls/pem.h"
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| 49 | #endif
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| 50 |
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| 51 | #if defined(MBEDTLS_PLATFORM_C)
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| 52 | #include "mbedtls/platform.h"
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| 53 | #else
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| 54 | #include <stdio.h>
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| 55 | #include <stdlib.h>
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| 56 | #define mbedtls_free free
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| 57 | #define mbedtls_calloc calloc
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| 58 | #define mbedtls_printf printf
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| 59 | #define mbedtls_snprintf snprintf
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| 60 | #endif
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| 61 |
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| 62 | #if defined(MBEDTLS_HAVE_TIME)
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| 63 | #include "mbedtls/platform_time.h"
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| 64 | #endif
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| 65 | #if defined(MBEDTLS_HAVE_TIME_DATE)
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| 66 | #include "mbedtls/platform_util.h"
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| 67 | #include <time.h>
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| 68 | #endif
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| 69 |
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| 70 | #define CHECK(code) if( ( ret = code ) != 0 ){ return( ret ); }
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| 71 | #define CHECK_RANGE(min, max, val) if( val < min || val > max ){ return( ret ); }
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| 72 |
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| 73 | /*
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| 74 | * CertificateSerialNumber ::= INTEGER
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| 75 | */
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| 76 | int mbedtls_x509_get_serial( unsigned char **p, const unsigned char *end,
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| 77 | mbedtls_x509_buf *serial )
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| 78 | {
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| 79 | int ret;
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| 80 |
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| 81 | if( ( end - *p ) < 1 )
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| 82 | return( MBEDTLS_ERR_X509_INVALID_SERIAL +
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| 83 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
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| 84 |
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| 85 | if( **p != ( MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_PRIMITIVE | 2 ) &&
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| 86 | **p != MBEDTLS_ASN1_INTEGER )
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| 87 | return( MBEDTLS_ERR_X509_INVALID_SERIAL +
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| 88 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
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| 89 |
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| 90 | serial->tag = *(*p)++;
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| 91 |
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| 92 | if( ( ret = mbedtls_asn1_get_len( p, end, &serial->len ) ) != 0 )
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| 93 | return( MBEDTLS_ERR_X509_INVALID_SERIAL + ret );
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| 94 |
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| 95 | serial->p = *p;
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| 96 | *p += serial->len;
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| 97 |
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| 98 | return( 0 );
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| 99 | }
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| 100 |
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| 101 | /* Get an algorithm identifier without parameters (eg for signatures)
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| 102 | *
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| 103 | * AlgorithmIdentifier ::= SEQUENCE {
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| 104 | * algorithm OBJECT IDENTIFIER,
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| 105 | * parameters ANY DEFINED BY algorithm OPTIONAL }
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| 106 | */
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| 107 | int mbedtls_x509_get_alg_null( unsigned char **p, const unsigned char *end,
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| 108 | mbedtls_x509_buf *alg )
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| 109 | {
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| 110 | int ret;
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| 111 |
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| 112 | if( ( ret = mbedtls_asn1_get_alg_null( p, end, alg ) ) != 0 )
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| 113 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 114 |
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| 115 | return( 0 );
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| 116 | }
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| 117 |
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| 118 | /*
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| 119 | * Parse an algorithm identifier with (optional) paramaters
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| 120 | */
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| 121 | int mbedtls_x509_get_alg( unsigned char **p, const unsigned char *end,
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| 122 | mbedtls_x509_buf *alg, mbedtls_x509_buf *params )
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| 123 | {
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| 124 | int ret;
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| 125 |
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| 126 | if( ( ret = mbedtls_asn1_get_alg( p, end, alg, params ) ) != 0 )
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| 127 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 128 |
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| 129 | return( 0 );
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| 130 | }
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| 131 |
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| 132 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
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| 133 | /*
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| 134 | * HashAlgorithm ::= AlgorithmIdentifier
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| 135 | *
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| 136 | * AlgorithmIdentifier ::= SEQUENCE {
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| 137 | * algorithm OBJECT IDENTIFIER,
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| 138 | * parameters ANY DEFINED BY algorithm OPTIONAL }
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| 139 | *
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| 140 | * For HashAlgorithm, parameters MUST be NULL or absent.
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| 141 | */
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| 142 | static int x509_get_hash_alg( const mbedtls_x509_buf *alg, mbedtls_md_type_t *md_alg )
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| 143 | {
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| 144 | int ret;
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| 145 | unsigned char *p;
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| 146 | const unsigned char *end;
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| 147 | mbedtls_x509_buf md_oid;
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| 148 | size_t len;
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| 149 |
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| 150 | /* Make sure we got a SEQUENCE and setup bounds */
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| 151 | if( alg->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
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| 152 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 153 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
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| 154 |
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| 155 | p = (unsigned char *) alg->p;
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| 156 | end = p + alg->len;
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| 157 |
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| 158 | if( p >= end )
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| 159 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 160 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
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| 161 |
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| 162 | /* Parse md_oid */
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| 163 | md_oid.tag = *p;
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| 164 |
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| 165 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &md_oid.len, MBEDTLS_ASN1_OID ) ) != 0 )
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| 166 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 167 |
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| 168 | md_oid.p = p;
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| 169 | p += md_oid.len;
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| 170 |
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| 171 | /* Get md_alg from md_oid */
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| 172 | if( ( ret = mbedtls_oid_get_md_alg( &md_oid, md_alg ) ) != 0 )
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| 173 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 174 |
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| 175 | /* Make sure params is absent of NULL */
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| 176 | if( p == end )
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| 177 | return( 0 );
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| 178 |
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| 179 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_NULL ) ) != 0 || len != 0 )
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| 180 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 181 |
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| 182 | if( p != end )
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| 183 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 184 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 185 |
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| 186 | return( 0 );
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| 187 | }
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| 188 |
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| 189 | /*
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| 190 | * RSASSA-PSS-params ::= SEQUENCE {
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| 191 | * hashAlgorithm [0] HashAlgorithm DEFAULT sha1Identifier,
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| 192 | * maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1Identifier,
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| 193 | * saltLength [2] INTEGER DEFAULT 20,
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| 194 | * trailerField [3] INTEGER DEFAULT 1 }
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| 195 | * -- Note that the tags in this Sequence are explicit.
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| 196 | *
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| 197 | * RFC 4055 (which defines use of RSASSA-PSS in PKIX) states that the value
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| 198 | * of trailerField MUST be 1, and PKCS#1 v2.2 doesn't even define any other
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| 199 | * option. Enfore this at parsing time.
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| 200 | */
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| 201 | int mbedtls_x509_get_rsassa_pss_params( const mbedtls_x509_buf *params,
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| 202 | mbedtls_md_type_t *md_alg, mbedtls_md_type_t *mgf_md,
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| 203 | int *salt_len )
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| 204 | {
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| 205 | int ret;
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| 206 | unsigned char *p;
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| 207 | const unsigned char *end, *end2;
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| 208 | size_t len;
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| 209 | mbedtls_x509_buf alg_id, alg_params;
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| 210 |
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| 211 | /* First set everything to defaults */
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| 212 | *md_alg = MBEDTLS_MD_SHA1;
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| 213 | *mgf_md = MBEDTLS_MD_SHA1;
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| 214 | *salt_len = 20;
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| 215 |
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| 216 | /* Make sure params is a SEQUENCE and setup bounds */
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| 217 | if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
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| 218 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 219 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
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| 220 |
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| 221 | p = (unsigned char *) params->p;
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| 222 | end = p + params->len;
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| 223 |
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| 224 | if( p == end )
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| 225 | return( 0 );
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| 226 |
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| 227 | /*
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| 228 | * HashAlgorithm
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| 229 | */
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| 230 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
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| 231 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 0 ) ) == 0 )
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| 232 | {
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| 233 | end2 = p + len;
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| 234 |
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| 235 | /* HashAlgorithm ::= AlgorithmIdentifier (without parameters) */
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| 236 | if( ( ret = mbedtls_x509_get_alg_null( &p, end2, &alg_id ) ) != 0 )
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| 237 | return( ret );
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| 238 |
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| 239 | if( ( ret = mbedtls_oid_get_md_alg( &alg_id, md_alg ) ) != 0 )
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| 240 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 241 |
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| 242 | if( p != end2 )
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| 243 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 244 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 245 | }
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| 246 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
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| 247 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 248 |
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| 249 | if( p == end )
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| 250 | return( 0 );
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| 251 |
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| 252 | /*
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| 253 | * MaskGenAlgorithm
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| 254 | */
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| 255 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
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| 256 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 1 ) ) == 0 )
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| 257 | {
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| 258 | end2 = p + len;
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| 259 |
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| 260 | /* MaskGenAlgorithm ::= AlgorithmIdentifier (params = HashAlgorithm) */
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| 261 | if( ( ret = mbedtls_x509_get_alg( &p, end2, &alg_id, &alg_params ) ) != 0 )
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| 262 | return( ret );
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| 263 |
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| 264 | /* Only MFG1 is recognised for now */
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| 265 | if( MBEDTLS_OID_CMP( MBEDTLS_OID_MGF1, &alg_id ) != 0 )
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| 266 | return( MBEDTLS_ERR_X509_FEATURE_UNAVAILABLE +
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| 267 | MBEDTLS_ERR_OID_NOT_FOUND );
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| 268 |
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| 269 | /* Parse HashAlgorithm */
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| 270 | if( ( ret = x509_get_hash_alg( &alg_params, mgf_md ) ) != 0 )
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| 271 | return( ret );
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| 272 |
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| 273 | if( p != end2 )
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| 274 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 275 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 276 | }
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| 277 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
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| 278 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 279 |
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| 280 | if( p == end )
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| 281 | return( 0 );
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| 282 |
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| 283 | /*
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| 284 | * salt_len
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| 285 | */
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| 286 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
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| 287 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 2 ) ) == 0 )
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| 288 | {
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| 289 | end2 = p + len;
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| 290 |
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| 291 | if( ( ret = mbedtls_asn1_get_int( &p, end2, salt_len ) ) != 0 )
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| 292 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 293 |
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| 294 | if( p != end2 )
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| 295 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 296 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 297 | }
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| 298 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
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| 299 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 300 |
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| 301 | if( p == end )
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| 302 | return( 0 );
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| 303 |
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| 304 | /*
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| 305 | * trailer_field (if present, must be 1)
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| 306 | */
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| 307 | if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
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| 308 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 3 ) ) == 0 )
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| 309 | {
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| 310 | int trailer_field;
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| 311 |
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| 312 | end2 = p + len;
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| 313 |
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| 314 | if( ( ret = mbedtls_asn1_get_int( &p, end2, &trailer_field ) ) != 0 )
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| 315 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 316 |
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| 317 | if( p != end2 )
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| 318 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 319 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 320 |
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| 321 | if( trailer_field != 1 )
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| 322 | return( MBEDTLS_ERR_X509_INVALID_ALG );
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| 323 | }
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| 324 | else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
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| 325 | return( MBEDTLS_ERR_X509_INVALID_ALG + ret );
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| 326 |
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| 327 | if( p != end )
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| 328 | return( MBEDTLS_ERR_X509_INVALID_ALG +
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| 329 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
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| 330 |
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| 331 | return( 0 );
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| 332 | }
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| 333 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
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| 334 |
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| 335 | /*
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| 336 | * AttributeTypeAndValue ::= SEQUENCE {
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| 337 | * type AttributeType,
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| 338 | * value AttributeValue }
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| 339 | *
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| 340 | * AttributeType ::= OBJECT IDENTIFIER
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| 341 | *
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| 342 | * AttributeValue ::= ANY DEFINED BY AttributeType
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| 343 | */
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| 344 | static int x509_get_attr_type_value( unsigned char **p,
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| 345 | const unsigned char *end,
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| 346 | mbedtls_x509_name *cur )
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| 347 | {
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| 348 | int ret;
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| 349 | size_t len;
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| 350 | mbedtls_x509_buf *oid;
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| 351 | mbedtls_x509_buf *val;
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| 352 |
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| 353 | if( ( ret = mbedtls_asn1_get_tag( p, end, &len,
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| 354 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
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| 355 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret );
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| 356 |
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| 357 | if( ( end - *p ) < 1 )
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| 358 | return( MBEDTLS_ERR_X509_INVALID_NAME +
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| 359 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
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| 360 |
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| 361 | oid = &cur->oid;
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| 362 | oid->tag = **p;
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| 363 |
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| 364 | if( ( ret = mbedtls_asn1_get_tag( p, end, &oid->len, MBEDTLS_ASN1_OID ) ) != 0 )
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| 365 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret );
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| 366 |
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| 367 | oid->p = *p;
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| 368 | *p += oid->len;
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| 369 |
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| 370 | if( ( end - *p ) < 1 )
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| 371 | return( MBEDTLS_ERR_X509_INVALID_NAME +
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| 372 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
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| 373 |
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| 374 | if( **p != MBEDTLS_ASN1_BMP_STRING && **p != MBEDTLS_ASN1_UTF8_STRING &&
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| 375 | **p != MBEDTLS_ASN1_T61_STRING && **p != MBEDTLS_ASN1_PRINTABLE_STRING &&
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| 376 | **p != MBEDTLS_ASN1_IA5_STRING && **p != MBEDTLS_ASN1_UNIVERSAL_STRING &&
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| 377 | **p != MBEDTLS_ASN1_BIT_STRING )
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| 378 | return( MBEDTLS_ERR_X509_INVALID_NAME +
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| 379 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
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| 380 |
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| 381 | val = &cur->val;
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| 382 | val->tag = *(*p)++;
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| 383 |
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| 384 | if( ( ret = mbedtls_asn1_get_len( p, end, &val->len ) ) != 0 )
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| 385 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret );
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| 386 |
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| 387 | val->p = *p;
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| 388 | *p += val->len;
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| 389 |
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| 390 | cur->next = NULL;
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| 391 |
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| 392 | return( 0 );
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| 393 | }
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| 394 |
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| 395 | /*
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| 396 | * Name ::= CHOICE { -- only one possibility for now --
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| 397 | * rdnSequence RDNSequence }
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| 398 | *
|
---|
| 399 | * RDNSequence ::= SEQUENCE OF RelativeDistinguishedName
|
---|
| 400 | *
|
---|
| 401 | * RelativeDistinguishedName ::=
|
---|
| 402 | * SET OF AttributeTypeAndValue
|
---|
| 403 | *
|
---|
| 404 | * AttributeTypeAndValue ::= SEQUENCE {
|
---|
| 405 | * type AttributeType,
|
---|
| 406 | * value AttributeValue }
|
---|
| 407 | *
|
---|
| 408 | * AttributeType ::= OBJECT IDENTIFIER
|
---|
| 409 | *
|
---|
| 410 | * AttributeValue ::= ANY DEFINED BY AttributeType
|
---|
| 411 | *
|
---|
| 412 | * The data structure is optimized for the common case where each RDN has only
|
---|
| 413 | * one element, which is represented as a list of AttributeTypeAndValue.
|
---|
| 414 | * For the general case we still use a flat list, but we mark elements of the
|
---|
| 415 | * same set so that they are "merged" together in the functions that consume
|
---|
| 416 | * this list, eg mbedtls_x509_dn_gets().
|
---|
| 417 | */
|
---|
| 418 | int mbedtls_x509_get_name( unsigned char **p, const unsigned char *end,
|
---|
| 419 | mbedtls_x509_name *cur )
|
---|
| 420 | {
|
---|
| 421 | int ret;
|
---|
| 422 | size_t set_len;
|
---|
| 423 | const unsigned char *end_set;
|
---|
| 424 |
|
---|
| 425 | /* don't use recursion, we'd risk stack overflow if not optimized */
|
---|
| 426 | while( 1 )
|
---|
| 427 | {
|
---|
| 428 | /*
|
---|
| 429 | * parse SET
|
---|
| 430 | */
|
---|
| 431 | if( ( ret = mbedtls_asn1_get_tag( p, end, &set_len,
|
---|
| 432 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SET ) ) != 0 )
|
---|
| 433 | return( MBEDTLS_ERR_X509_INVALID_NAME + ret );
|
---|
| 434 |
|
---|
| 435 | end_set = *p + set_len;
|
---|
| 436 |
|
---|
| 437 | while( 1 )
|
---|
| 438 | {
|
---|
| 439 | if( ( ret = x509_get_attr_type_value( p, end_set, cur ) ) != 0 )
|
---|
| 440 | return( ret );
|
---|
| 441 |
|
---|
| 442 | if( *p == end_set )
|
---|
| 443 | break;
|
---|
| 444 |
|
---|
| 445 | /* Mark this item as being no the only one in a set */
|
---|
| 446 | cur->next_merged = 1;
|
---|
| 447 |
|
---|
| 448 | cur->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_name ) );
|
---|
| 449 |
|
---|
| 450 | if( cur->next == NULL )
|
---|
| 451 | return( MBEDTLS_ERR_X509_ALLOC_FAILED );
|
---|
| 452 |
|
---|
| 453 | cur = cur->next;
|
---|
| 454 | }
|
---|
| 455 |
|
---|
| 456 | /*
|
---|
| 457 | * continue until end of SEQUENCE is reached
|
---|
| 458 | */
|
---|
| 459 | if( *p == end )
|
---|
| 460 | return( 0 );
|
---|
| 461 |
|
---|
| 462 | cur->next = mbedtls_calloc( 1, sizeof( mbedtls_x509_name ) );
|
---|
| 463 |
|
---|
| 464 | if( cur->next == NULL )
|
---|
| 465 | return( MBEDTLS_ERR_X509_ALLOC_FAILED );
|
---|
| 466 |
|
---|
| 467 | cur = cur->next;
|
---|
| 468 | }
|
---|
| 469 | }
|
---|
| 470 |
|
---|
| 471 | static int x509_parse_int( unsigned char **p, size_t n, int *res )
|
---|
| 472 | {
|
---|
| 473 | *res = 0;
|
---|
| 474 |
|
---|
| 475 | for( ; n > 0; --n )
|
---|
| 476 | {
|
---|
| 477 | if( ( **p < '0') || ( **p > '9' ) )
|
---|
| 478 | return ( MBEDTLS_ERR_X509_INVALID_DATE );
|
---|
| 479 |
|
---|
| 480 | *res *= 10;
|
---|
| 481 | *res += ( *(*p)++ - '0' );
|
---|
| 482 | }
|
---|
| 483 |
|
---|
| 484 | return( 0 );
|
---|
| 485 | }
|
---|
| 486 |
|
---|
| 487 | static int x509_date_is_valid(const mbedtls_x509_time *t )
|
---|
| 488 | {
|
---|
| 489 | int ret = MBEDTLS_ERR_X509_INVALID_DATE;
|
---|
| 490 | int month_len;
|
---|
| 491 |
|
---|
| 492 | CHECK_RANGE( 0, 9999, t->year );
|
---|
| 493 | CHECK_RANGE( 0, 23, t->hour );
|
---|
| 494 | CHECK_RANGE( 0, 59, t->min );
|
---|
| 495 | CHECK_RANGE( 0, 59, t->sec );
|
---|
| 496 |
|
---|
| 497 | switch( t->mon )
|
---|
| 498 | {
|
---|
| 499 | case 1: case 3: case 5: case 7: case 8: case 10: case 12:
|
---|
| 500 | month_len = 31;
|
---|
| 501 | break;
|
---|
| 502 | case 4: case 6: case 9: case 11:
|
---|
| 503 | month_len = 30;
|
---|
| 504 | break;
|
---|
| 505 | case 2:
|
---|
| 506 | if( ( !( t->year % 4 ) && t->year % 100 ) ||
|
---|
| 507 | !( t->year % 400 ) )
|
---|
| 508 | month_len = 29;
|
---|
| 509 | else
|
---|
| 510 | month_len = 28;
|
---|
| 511 | break;
|
---|
| 512 | default:
|
---|
| 513 | return( ret );
|
---|
| 514 | }
|
---|
| 515 | CHECK_RANGE( 1, month_len, t->day );
|
---|
| 516 |
|
---|
| 517 | return( 0 );
|
---|
| 518 | }
|
---|
| 519 |
|
---|
| 520 | /*
|
---|
| 521 | * Parse an ASN1_UTC_TIME (yearlen=2) or ASN1_GENERALIZED_TIME (yearlen=4)
|
---|
| 522 | * field.
|
---|
| 523 | */
|
---|
| 524 | static int x509_parse_time( unsigned char **p, size_t len, size_t yearlen,
|
---|
| 525 | mbedtls_x509_time *tm )
|
---|
| 526 | {
|
---|
| 527 | int ret;
|
---|
| 528 |
|
---|
| 529 | /*
|
---|
| 530 | * Minimum length is 10 or 12 depending on yearlen
|
---|
| 531 | */
|
---|
| 532 | if ( len < yearlen + 8 )
|
---|
| 533 | return ( MBEDTLS_ERR_X509_INVALID_DATE );
|
---|
| 534 | len -= yearlen + 8;
|
---|
| 535 |
|
---|
| 536 | /*
|
---|
| 537 | * Parse year, month, day, hour, minute
|
---|
| 538 | */
|
---|
| 539 | CHECK( x509_parse_int( p, yearlen, &tm->year ) );
|
---|
| 540 | if ( 2 == yearlen )
|
---|
| 541 | {
|
---|
| 542 | if ( tm->year < 50 )
|
---|
| 543 | tm->year += 100;
|
---|
| 544 |
|
---|
| 545 | tm->year += 1900;
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | CHECK( x509_parse_int( p, 2, &tm->mon ) );
|
---|
| 549 | CHECK( x509_parse_int( p, 2, &tm->day ) );
|
---|
| 550 | CHECK( x509_parse_int( p, 2, &tm->hour ) );
|
---|
| 551 | CHECK( x509_parse_int( p, 2, &tm->min ) );
|
---|
| 552 |
|
---|
| 553 | /*
|
---|
| 554 | * Parse seconds if present
|
---|
| 555 | */
|
---|
| 556 | if ( len >= 2 )
|
---|
| 557 | {
|
---|
| 558 | CHECK( x509_parse_int( p, 2, &tm->sec ) );
|
---|
| 559 | len -= 2;
|
---|
| 560 | }
|
---|
| 561 | else
|
---|
| 562 | return ( MBEDTLS_ERR_X509_INVALID_DATE );
|
---|
| 563 |
|
---|
| 564 | /*
|
---|
| 565 | * Parse trailing 'Z' if present
|
---|
| 566 | */
|
---|
| 567 | if ( 1 == len && 'Z' == **p )
|
---|
| 568 | {
|
---|
| 569 | (*p)++;
|
---|
| 570 | len--;
|
---|
| 571 | }
|
---|
| 572 |
|
---|
| 573 | /*
|
---|
| 574 | * We should have parsed all characters at this point
|
---|
| 575 | */
|
---|
| 576 | if ( 0 != len )
|
---|
| 577 | return ( MBEDTLS_ERR_X509_INVALID_DATE );
|
---|
| 578 |
|
---|
| 579 | CHECK( x509_date_is_valid( tm ) );
|
---|
| 580 |
|
---|
| 581 | return ( 0 );
|
---|
| 582 | }
|
---|
| 583 |
|
---|
| 584 | /*
|
---|
| 585 | * Time ::= CHOICE {
|
---|
| 586 | * utcTime UTCTime,
|
---|
| 587 | * generalTime GeneralizedTime }
|
---|
| 588 | */
|
---|
| 589 | int mbedtls_x509_get_time( unsigned char **p, const unsigned char *end,
|
---|
| 590 | mbedtls_x509_time *tm )
|
---|
| 591 | {
|
---|
| 592 | int ret;
|
---|
| 593 | size_t len, year_len;
|
---|
| 594 | unsigned char tag;
|
---|
| 595 |
|
---|
| 596 | if( ( end - *p ) < 1 )
|
---|
| 597 | return( MBEDTLS_ERR_X509_INVALID_DATE +
|
---|
| 598 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
|
---|
| 599 |
|
---|
| 600 | tag = **p;
|
---|
| 601 |
|
---|
| 602 | if( tag == MBEDTLS_ASN1_UTC_TIME )
|
---|
| 603 | year_len = 2;
|
---|
| 604 | else if( tag == MBEDTLS_ASN1_GENERALIZED_TIME )
|
---|
| 605 | year_len = 4;
|
---|
| 606 | else
|
---|
| 607 | return( MBEDTLS_ERR_X509_INVALID_DATE +
|
---|
| 608 | MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
|
---|
| 609 |
|
---|
| 610 | (*p)++;
|
---|
| 611 | ret = mbedtls_asn1_get_len( p, end, &len );
|
---|
| 612 |
|
---|
| 613 | if( ret != 0 )
|
---|
| 614 | return( MBEDTLS_ERR_X509_INVALID_DATE + ret );
|
---|
| 615 |
|
---|
| 616 | return x509_parse_time( p, len, year_len, tm );
|
---|
| 617 | }
|
---|
| 618 |
|
---|
| 619 | int mbedtls_x509_get_sig( unsigned char **p, const unsigned char *end, mbedtls_x509_buf *sig )
|
---|
| 620 | {
|
---|
| 621 | int ret;
|
---|
| 622 | size_t len;
|
---|
| 623 | int tag_type;
|
---|
| 624 |
|
---|
| 625 | if( ( end - *p ) < 1 )
|
---|
| 626 | return( MBEDTLS_ERR_X509_INVALID_SIGNATURE +
|
---|
| 627 | MBEDTLS_ERR_ASN1_OUT_OF_DATA );
|
---|
| 628 |
|
---|
| 629 | tag_type = **p;
|
---|
| 630 |
|
---|
| 631 | if( ( ret = mbedtls_asn1_get_bitstring_null( p, end, &len ) ) != 0 )
|
---|
| 632 | return( MBEDTLS_ERR_X509_INVALID_SIGNATURE + ret );
|
---|
| 633 |
|
---|
| 634 | sig->tag = tag_type;
|
---|
| 635 | sig->len = len;
|
---|
| 636 | sig->p = *p;
|
---|
| 637 |
|
---|
| 638 | *p += len;
|
---|
| 639 |
|
---|
| 640 | return( 0 );
|
---|
| 641 | }
|
---|
| 642 |
|
---|
| 643 | /*
|
---|
| 644 | * Get signature algorithm from alg OID and optional parameters
|
---|
| 645 | */
|
---|
| 646 | int mbedtls_x509_get_sig_alg( const mbedtls_x509_buf *sig_oid, const mbedtls_x509_buf *sig_params,
|
---|
| 647 | mbedtls_md_type_t *md_alg, mbedtls_pk_type_t *pk_alg,
|
---|
| 648 | void **sig_opts )
|
---|
| 649 | {
|
---|
| 650 | int ret;
|
---|
| 651 |
|
---|
| 652 | if( *sig_opts != NULL )
|
---|
| 653 | return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
|
---|
| 654 |
|
---|
| 655 | if( ( ret = mbedtls_oid_get_sig_alg( sig_oid, md_alg, pk_alg ) ) != 0 )
|
---|
| 656 | return( MBEDTLS_ERR_X509_UNKNOWN_SIG_ALG + ret );
|
---|
| 657 |
|
---|
| 658 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
|
---|
| 659 | if( *pk_alg == MBEDTLS_PK_RSASSA_PSS )
|
---|
| 660 | {
|
---|
| 661 | mbedtls_pk_rsassa_pss_options *pss_opts;
|
---|
| 662 |
|
---|
| 663 | pss_opts = mbedtls_calloc( 1, sizeof( mbedtls_pk_rsassa_pss_options ) );
|
---|
| 664 | if( pss_opts == NULL )
|
---|
| 665 | return( MBEDTLS_ERR_X509_ALLOC_FAILED );
|
---|
| 666 |
|
---|
| 667 | ret = mbedtls_x509_get_rsassa_pss_params( sig_params,
|
---|
| 668 | md_alg,
|
---|
| 669 | &pss_opts->mgf1_hash_id,
|
---|
| 670 | &pss_opts->expected_salt_len );
|
---|
| 671 | if( ret != 0 )
|
---|
| 672 | {
|
---|
| 673 | mbedtls_free( pss_opts );
|
---|
| 674 | return( ret );
|
---|
| 675 | }
|
---|
| 676 |
|
---|
| 677 | *sig_opts = (void *) pss_opts;
|
---|
| 678 | }
|
---|
| 679 | else
|
---|
| 680 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
|
---|
| 681 | {
|
---|
| 682 | /* Make sure parameters are absent or NULL */
|
---|
| 683 | if( ( sig_params->tag != MBEDTLS_ASN1_NULL && sig_params->tag != 0 ) ||
|
---|
| 684 | sig_params->len != 0 )
|
---|
| 685 | return( MBEDTLS_ERR_X509_INVALID_ALG );
|
---|
| 686 | }
|
---|
| 687 |
|
---|
| 688 | return( 0 );
|
---|
| 689 | }
|
---|
| 690 |
|
---|
| 691 | /*
|
---|
| 692 | * X.509 Extensions (No parsing of extensions, pointer should
|
---|
| 693 | * be either manually updated or extensions should be parsed!)
|
---|
| 694 | */
|
---|
| 695 | int mbedtls_x509_get_ext( unsigned char **p, const unsigned char *end,
|
---|
| 696 | mbedtls_x509_buf *ext, int tag )
|
---|
| 697 | {
|
---|
| 698 | int ret;
|
---|
| 699 | size_t len;
|
---|
| 700 |
|
---|
| 701 | if( *p == end )
|
---|
| 702 | return( 0 );
|
---|
| 703 |
|
---|
| 704 | ext->tag = **p;
|
---|
| 705 |
|
---|
| 706 | if( ( ret = mbedtls_asn1_get_tag( p, end, &ext->len,
|
---|
| 707 | MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | tag ) ) != 0 )
|
---|
| 708 | return( ret );
|
---|
| 709 |
|
---|
| 710 | ext->p = *p;
|
---|
| 711 | end = *p + ext->len;
|
---|
| 712 |
|
---|
| 713 | /*
|
---|
| 714 | * Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension
|
---|
| 715 | *
|
---|
| 716 | * Extension ::= SEQUENCE {
|
---|
| 717 | * extnID OBJECT IDENTIFIER,
|
---|
| 718 | * critical BOOLEAN DEFAULT FALSE,
|
---|
| 719 | * extnValue OCTET STRING }
|
---|
| 720 | */
|
---|
| 721 | if( ( ret = mbedtls_asn1_get_tag( p, end, &len,
|
---|
| 722 | MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
|
---|
| 723 | return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS + ret );
|
---|
| 724 |
|
---|
| 725 | if( end != *p + len )
|
---|
| 726 | return( MBEDTLS_ERR_X509_INVALID_EXTENSIONS +
|
---|
| 727 | MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
|
---|
| 728 |
|
---|
| 729 | return( 0 );
|
---|
| 730 | }
|
---|
| 731 |
|
---|
| 732 | /*
|
---|
| 733 | * Store the name in printable form into buf; no more
|
---|
| 734 | * than size characters will be written
|
---|
| 735 | */
|
---|
| 736 | int mbedtls_x509_dn_gets( char *buf, size_t size, const mbedtls_x509_name *dn )
|
---|
| 737 | {
|
---|
| 738 | int ret;
|
---|
| 739 | size_t i, n;
|
---|
| 740 | unsigned char c, merge = 0;
|
---|
| 741 | const mbedtls_x509_name *name;
|
---|
| 742 | const char *short_name = NULL;
|
---|
| 743 | char s[MBEDTLS_X509_MAX_DN_NAME_SIZE], *p;
|
---|
| 744 |
|
---|
| 745 | memset( s, 0, sizeof( s ) );
|
---|
| 746 |
|
---|
| 747 | name = dn;
|
---|
| 748 | p = buf;
|
---|
| 749 | n = size;
|
---|
| 750 |
|
---|
| 751 | while( name != NULL )
|
---|
| 752 | {
|
---|
| 753 | if( !name->oid.p )
|
---|
| 754 | {
|
---|
| 755 | name = name->next;
|
---|
| 756 | continue;
|
---|
| 757 | }
|
---|
| 758 |
|
---|
| 759 | if( name != dn )
|
---|
| 760 | {
|
---|
| 761 | ret = mbedtls_snprintf( p, n, merge ? " + " : ", " );
|
---|
| 762 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 763 | }
|
---|
| 764 |
|
---|
| 765 | ret = mbedtls_oid_get_attr_short_name( &name->oid, &short_name );
|
---|
| 766 |
|
---|
| 767 | if( ret == 0 )
|
---|
| 768 | ret = mbedtls_snprintf( p, n, "%s=", short_name );
|
---|
| 769 | else
|
---|
| 770 | ret = mbedtls_snprintf( p, n, "\?\?=" );
|
---|
| 771 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 772 |
|
---|
| 773 | for( i = 0; i < name->val.len; i++ )
|
---|
| 774 | {
|
---|
| 775 | if( i >= sizeof( s ) - 1 )
|
---|
| 776 | break;
|
---|
| 777 |
|
---|
| 778 | c = name->val.p[i];
|
---|
| 779 | if( c < 32 || c == 127 || ( c > 128 && c < 160 ) )
|
---|
| 780 | s[i] = '?';
|
---|
| 781 | else s[i] = c;
|
---|
| 782 | }
|
---|
| 783 | s[i] = '\0';
|
---|
| 784 | ret = mbedtls_snprintf( p, n, "%s", s );
|
---|
| 785 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 786 |
|
---|
| 787 | merge = name->next_merged;
|
---|
| 788 | name = name->next;
|
---|
| 789 | }
|
---|
| 790 |
|
---|
| 791 | return( (int) ( size - n ) );
|
---|
| 792 | }
|
---|
| 793 |
|
---|
| 794 | /*
|
---|
| 795 | * Store the serial in printable form into buf; no more
|
---|
| 796 | * than size characters will be written
|
---|
| 797 | */
|
---|
| 798 | int mbedtls_x509_serial_gets( char *buf, size_t size, const mbedtls_x509_buf *serial )
|
---|
| 799 | {
|
---|
| 800 | int ret;
|
---|
| 801 | size_t i, n, nr;
|
---|
| 802 | char *p;
|
---|
| 803 |
|
---|
| 804 | p = buf;
|
---|
| 805 | n = size;
|
---|
| 806 |
|
---|
| 807 | nr = ( serial->len <= 32 )
|
---|
| 808 | ? serial->len : 28;
|
---|
| 809 |
|
---|
| 810 | for( i = 0; i < nr; i++ )
|
---|
| 811 | {
|
---|
| 812 | if( i == 0 && nr > 1 && serial->p[i] == 0x0 )
|
---|
| 813 | continue;
|
---|
| 814 |
|
---|
| 815 | ret = mbedtls_snprintf( p, n, "%02X%s",
|
---|
| 816 | serial->p[i], ( i < nr - 1 ) ? ":" : "" );
|
---|
| 817 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 818 | }
|
---|
| 819 |
|
---|
| 820 | if( nr != serial->len )
|
---|
| 821 | {
|
---|
| 822 | ret = mbedtls_snprintf( p, n, "...." );
|
---|
| 823 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 824 | }
|
---|
| 825 |
|
---|
| 826 | return( (int) ( size - n ) );
|
---|
| 827 | }
|
---|
| 828 |
|
---|
| 829 | /*
|
---|
| 830 | * Helper for writing signature algorithms
|
---|
| 831 | */
|
---|
| 832 | int mbedtls_x509_sig_alg_gets( char *buf, size_t size, const mbedtls_x509_buf *sig_oid,
|
---|
| 833 | mbedtls_pk_type_t pk_alg, mbedtls_md_type_t md_alg,
|
---|
| 834 | const void *sig_opts )
|
---|
| 835 | {
|
---|
| 836 | int ret;
|
---|
| 837 | char *p = buf;
|
---|
| 838 | size_t n = size;
|
---|
| 839 | const char *desc = NULL;
|
---|
| 840 |
|
---|
| 841 | ret = mbedtls_oid_get_sig_alg_desc( sig_oid, &desc );
|
---|
| 842 | if( ret != 0 )
|
---|
| 843 | ret = mbedtls_snprintf( p, n, "???" );
|
---|
| 844 | else
|
---|
| 845 | ret = mbedtls_snprintf( p, n, "%s", desc );
|
---|
| 846 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 847 |
|
---|
| 848 | #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT)
|
---|
| 849 | if( pk_alg == MBEDTLS_PK_RSASSA_PSS )
|
---|
| 850 | {
|
---|
| 851 | const mbedtls_pk_rsassa_pss_options *pss_opts;
|
---|
| 852 | const mbedtls_md_info_t *md_info, *mgf_md_info;
|
---|
| 853 |
|
---|
| 854 | pss_opts = (const mbedtls_pk_rsassa_pss_options *) sig_opts;
|
---|
| 855 |
|
---|
| 856 | md_info = mbedtls_md_info_from_type( md_alg );
|
---|
| 857 | mgf_md_info = mbedtls_md_info_from_type( pss_opts->mgf1_hash_id );
|
---|
| 858 |
|
---|
| 859 | ret = mbedtls_snprintf( p, n, " (%s, MGF1-%s, 0x%02X)",
|
---|
| 860 | md_info ? mbedtls_md_get_name( md_info ) : "???",
|
---|
| 861 | mgf_md_info ? mbedtls_md_get_name( mgf_md_info ) : "???",
|
---|
| 862 | pss_opts->expected_salt_len );
|
---|
| 863 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 864 | }
|
---|
| 865 | #else
|
---|
| 866 | ((void) pk_alg);
|
---|
| 867 | ((void) md_alg);
|
---|
| 868 | ((void) sig_opts);
|
---|
| 869 | #endif /* MBEDTLS_X509_RSASSA_PSS_SUPPORT */
|
---|
| 870 |
|
---|
| 871 | return( (int)( size - n ) );
|
---|
| 872 | }
|
---|
| 873 |
|
---|
| 874 | /*
|
---|
| 875 | * Helper for writing "RSA key size", "EC key size", etc
|
---|
| 876 | */
|
---|
| 877 | int mbedtls_x509_key_size_helper( char *buf, size_t buf_size, const char *name )
|
---|
| 878 | {
|
---|
| 879 | char *p = buf;
|
---|
| 880 | size_t n = buf_size;
|
---|
| 881 | int ret;
|
---|
| 882 |
|
---|
| 883 | ret = mbedtls_snprintf( p, n, "%s key size", name );
|
---|
| 884 | MBEDTLS_X509_SAFE_SNPRINTF;
|
---|
| 885 |
|
---|
| 886 | return( 0 );
|
---|
| 887 | }
|
---|
| 888 |
|
---|
| 889 | #if defined(MBEDTLS_HAVE_TIME_DATE)
|
---|
| 890 | /*
|
---|
| 891 | * Set the time structure to the current time.
|
---|
| 892 | * Return 0 on success, non-zero on failure.
|
---|
| 893 | */
|
---|
| 894 | static int x509_get_current_time( mbedtls_x509_time *now )
|
---|
| 895 | {
|
---|
| 896 | struct tm *lt, tm_buf;
|
---|
| 897 | mbedtls_time_t tt;
|
---|
| 898 | int ret = 0;
|
---|
| 899 |
|
---|
| 900 | tt = mbedtls_time( NULL );
|
---|
| 901 | lt = mbedtls_platform_gmtime_r( &tt, &tm_buf );
|
---|
| 902 |
|
---|
| 903 | if( lt == NULL )
|
---|
| 904 | ret = -1;
|
---|
| 905 | else
|
---|
| 906 | {
|
---|
| 907 | now->year = lt->tm_year + 1900;
|
---|
| 908 | now->mon = lt->tm_mon + 1;
|
---|
| 909 | now->day = lt->tm_mday;
|
---|
| 910 | now->hour = lt->tm_hour;
|
---|
| 911 | now->min = lt->tm_min;
|
---|
| 912 | now->sec = lt->tm_sec;
|
---|
| 913 | }
|
---|
| 914 |
|
---|
| 915 | return( ret );
|
---|
| 916 | }
|
---|
| 917 |
|
---|
| 918 | /*
|
---|
| 919 | * Return 0 if before <= after, 1 otherwise
|
---|
| 920 | */
|
---|
| 921 | static int x509_check_time( const mbedtls_x509_time *before, const mbedtls_x509_time *after )
|
---|
| 922 | {
|
---|
| 923 | if( before->year > after->year )
|
---|
| 924 | return( 1 );
|
---|
| 925 |
|
---|
| 926 | if( before->year == after->year &&
|
---|
| 927 | before->mon > after->mon )
|
---|
| 928 | return( 1 );
|
---|
| 929 |
|
---|
| 930 | if( before->year == after->year &&
|
---|
| 931 | before->mon == after->mon &&
|
---|
| 932 | before->day > after->day )
|
---|
| 933 | return( 1 );
|
---|
| 934 |
|
---|
| 935 | if( before->year == after->year &&
|
---|
| 936 | before->mon == after->mon &&
|
---|
| 937 | before->day == after->day &&
|
---|
| 938 | before->hour > after->hour )
|
---|
| 939 | return( 1 );
|
---|
| 940 |
|
---|
| 941 | if( before->year == after->year &&
|
---|
| 942 | before->mon == after->mon &&
|
---|
| 943 | before->day == after->day &&
|
---|
| 944 | before->hour == after->hour &&
|
---|
| 945 | before->min > after->min )
|
---|
| 946 | return( 1 );
|
---|
| 947 |
|
---|
| 948 | if( before->year == after->year &&
|
---|
| 949 | before->mon == after->mon &&
|
---|
| 950 | before->day == after->day &&
|
---|
| 951 | before->hour == after->hour &&
|
---|
| 952 | before->min == after->min &&
|
---|
| 953 | before->sec > after->sec )
|
---|
| 954 | return( 1 );
|
---|
| 955 |
|
---|
| 956 | return( 0 );
|
---|
| 957 | }
|
---|
| 958 |
|
---|
| 959 | int mbedtls_x509_time_is_past( const mbedtls_x509_time *to )
|
---|
| 960 | {
|
---|
| 961 | mbedtls_x509_time now;
|
---|
| 962 |
|
---|
| 963 | if( x509_get_current_time( &now ) != 0 )
|
---|
| 964 | return( 1 );
|
---|
| 965 |
|
---|
| 966 | return( x509_check_time( &now, to ) );
|
---|
| 967 | }
|
---|
| 968 |
|
---|
| 969 | int mbedtls_x509_time_is_future( const mbedtls_x509_time *from )
|
---|
| 970 | {
|
---|
| 971 | mbedtls_x509_time now;
|
---|
| 972 |
|
---|
| 973 | if( x509_get_current_time( &now ) != 0 )
|
---|
| 974 | return( 1 );
|
---|
| 975 |
|
---|
| 976 | return( x509_check_time( from, &now ) );
|
---|
| 977 | }
|
---|
| 978 |
|
---|
| 979 | #else /* MBEDTLS_HAVE_TIME_DATE */
|
---|
| 980 |
|
---|
| 981 | int mbedtls_x509_time_is_past( const mbedtls_x509_time *to )
|
---|
| 982 | {
|
---|
| 983 | ((void) to);
|
---|
| 984 | return( 0 );
|
---|
| 985 | }
|
---|
| 986 |
|
---|
| 987 | int mbedtls_x509_time_is_future( const mbedtls_x509_time *from )
|
---|
| 988 | {
|
---|
| 989 | ((void) from);
|
---|
| 990 | return( 0 );
|
---|
| 991 | }
|
---|
| 992 | #endif /* MBEDTLS_HAVE_TIME_DATE */
|
---|
| 993 |
|
---|
| 994 | #if defined(MBEDTLS_SELF_TEST)
|
---|
| 995 |
|
---|
| 996 | #include "mbedtls/x509_crt.h"
|
---|
| 997 | #include "mbedtls/certs.h"
|
---|
| 998 |
|
---|
| 999 | /*
|
---|
| 1000 | * Checkup routine
|
---|
| 1001 | */
|
---|
| 1002 | int mbedtls_x509_self_test( int verbose )
|
---|
| 1003 | {
|
---|
| 1004 | #if defined(MBEDTLS_CERTS_C) && defined(MBEDTLS_SHA256_C)
|
---|
| 1005 | int ret;
|
---|
| 1006 | uint32_t flags;
|
---|
| 1007 | mbedtls_x509_crt cacert;
|
---|
| 1008 | mbedtls_x509_crt clicert;
|
---|
| 1009 |
|
---|
| 1010 | if( verbose != 0 )
|
---|
| 1011 | mbedtls_printf( " X.509 certificate load: " );
|
---|
| 1012 |
|
---|
| 1013 | mbedtls_x509_crt_init( &clicert );
|
---|
| 1014 |
|
---|
| 1015 | ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt,
|
---|
| 1016 | mbedtls_test_cli_crt_len );
|
---|
| 1017 | if( ret != 0 )
|
---|
| 1018 | {
|
---|
| 1019 | if( verbose != 0 )
|
---|
| 1020 | mbedtls_printf( "failed\n" );
|
---|
| 1021 |
|
---|
| 1022 | return( ret );
|
---|
| 1023 | }
|
---|
| 1024 |
|
---|
| 1025 | mbedtls_x509_crt_init( &cacert );
|
---|
| 1026 |
|
---|
| 1027 | ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_ca_crt,
|
---|
| 1028 | mbedtls_test_ca_crt_len );
|
---|
| 1029 | if( ret != 0 )
|
---|
| 1030 | {
|
---|
| 1031 | if( verbose != 0 )
|
---|
| 1032 | mbedtls_printf( "failed\n" );
|
---|
| 1033 |
|
---|
| 1034 | return( ret );
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 | if( verbose != 0 )
|
---|
| 1038 | mbedtls_printf( "passed\n X.509 signature verify: ");
|
---|
| 1039 |
|
---|
| 1040 | ret = mbedtls_x509_crt_verify( &clicert, &cacert, NULL, NULL, &flags, NULL, NULL );
|
---|
| 1041 | if( ret != 0 )
|
---|
| 1042 | {
|
---|
| 1043 | if( verbose != 0 )
|
---|
| 1044 | mbedtls_printf( "failed\n" );
|
---|
| 1045 |
|
---|
| 1046 | return( ret );
|
---|
| 1047 | }
|
---|
| 1048 |
|
---|
| 1049 | if( verbose != 0 )
|
---|
| 1050 | mbedtls_printf( "passed\n\n");
|
---|
| 1051 |
|
---|
| 1052 | mbedtls_x509_crt_free( &cacert );
|
---|
| 1053 | mbedtls_x509_crt_free( &clicert );
|
---|
| 1054 |
|
---|
| 1055 | return( 0 );
|
---|
| 1056 | #else
|
---|
| 1057 | ((void) verbose);
|
---|
| 1058 | return( 0 );
|
---|
| 1059 | #endif /* MBEDTLS_CERTS_C && MBEDTLS_SHA1_C */
|
---|
| 1060 | }
|
---|
| 1061 |
|
---|
| 1062 | #endif /* MBEDTLS_SELF_TEST */
|
---|
| 1063 |
|
---|
| 1064 | #endif /* MBEDTLS_X509_USE_C */
|
---|