diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/library/x509_create.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/library/x509_create.c | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/lib/mbedtls-2.27.0/library/x509_create.c b/lib/mbedtls-2.27.0/library/x509_create.c deleted file mode 100644 index 056bbaa..0000000 --- a/lib/mbedtls-2.27.0/library/x509_create.c +++ /dev/null @@ -1,374 +0,0 @@ -/* - * X.509 base functions for creating certificates / CSRs - * - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "common.h" - -#if defined(MBEDTLS_X509_CREATE_C) - -#include "mbedtls/x509.h" -#include "mbedtls/asn1write.h" -#include "mbedtls/error.h" -#include "mbedtls/oid.h" - -#include <string.h> - -/* Structure linking OIDs for X.509 DN AttributeTypes to their - * string representations and default string encodings used by Mbed TLS. */ -typedef struct { - const char *name; /* String representation of AttributeType, e.g. - * "CN" or "emailAddress". */ - size_t name_len; /* Length of 'name', without trailing 0 byte. */ - const char *oid; /* String representation of OID of AttributeType, - * as per RFC 5280, Appendix A.1. */ - int default_tag; /* The default character encoding used for the - * given attribute type, e.g. - * MBEDTLS_ASN1_UTF8_STRING for UTF-8. */ -} x509_attr_descriptor_t; - -#define ADD_STRLEN( s ) s, sizeof( s ) - 1 - -/* X.509 DN attributes from RFC 5280, Appendix A.1. */ -static const x509_attr_descriptor_t x509_attrs[] = -{ - { ADD_STRLEN( "CN" ), - MBEDTLS_OID_AT_CN, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "commonName" ), - MBEDTLS_OID_AT_CN, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "C" ), - MBEDTLS_OID_AT_COUNTRY, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "countryName" ), - MBEDTLS_OID_AT_COUNTRY, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "O" ), - MBEDTLS_OID_AT_ORGANIZATION, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "organizationName" ), - MBEDTLS_OID_AT_ORGANIZATION, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "L" ), - MBEDTLS_OID_AT_LOCALITY, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "locality" ), - MBEDTLS_OID_AT_LOCALITY, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "R" ), - MBEDTLS_OID_PKCS9_EMAIL, MBEDTLS_ASN1_IA5_STRING }, - { ADD_STRLEN( "OU" ), - MBEDTLS_OID_AT_ORG_UNIT, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "organizationalUnitName" ), - MBEDTLS_OID_AT_ORG_UNIT, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "ST" ), - MBEDTLS_OID_AT_STATE, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "stateOrProvinceName" ), - MBEDTLS_OID_AT_STATE, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "emailAddress" ), - MBEDTLS_OID_PKCS9_EMAIL, MBEDTLS_ASN1_IA5_STRING }, - { ADD_STRLEN( "serialNumber" ), - MBEDTLS_OID_AT_SERIAL_NUMBER, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "postalAddress" ), - MBEDTLS_OID_AT_POSTAL_ADDRESS, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "postalCode" ), - MBEDTLS_OID_AT_POSTAL_CODE, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "dnQualifier" ), - MBEDTLS_OID_AT_DN_QUALIFIER, MBEDTLS_ASN1_PRINTABLE_STRING }, - { ADD_STRLEN( "title" ), - MBEDTLS_OID_AT_TITLE, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "surName" ), - MBEDTLS_OID_AT_SUR_NAME, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "SN" ), - MBEDTLS_OID_AT_SUR_NAME, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "givenName" ), - MBEDTLS_OID_AT_GIVEN_NAME, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "GN" ), - MBEDTLS_OID_AT_GIVEN_NAME, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "initials" ), - MBEDTLS_OID_AT_INITIALS, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "pseudonym" ), - MBEDTLS_OID_AT_PSEUDONYM, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "generationQualifier" ), - MBEDTLS_OID_AT_GENERATION_QUALIFIER, MBEDTLS_ASN1_UTF8_STRING }, - { ADD_STRLEN( "domainComponent" ), - MBEDTLS_OID_DOMAIN_COMPONENT, MBEDTLS_ASN1_IA5_STRING }, - { ADD_STRLEN( "DC" ), - MBEDTLS_OID_DOMAIN_COMPONENT, MBEDTLS_ASN1_IA5_STRING }, - { NULL, 0, NULL, MBEDTLS_ASN1_NULL } -}; - -static const x509_attr_descriptor_t *x509_attr_descr_from_name( const char *name, size_t name_len ) -{ - const x509_attr_descriptor_t *cur; - - for( cur = x509_attrs; cur->name != NULL; cur++ ) - if( cur->name_len == name_len && - strncmp( cur->name, name, name_len ) == 0 ) - break; - - if ( cur->name == NULL ) - return( NULL ); - - return( cur ); -} - -int mbedtls_x509_string_to_names( mbedtls_asn1_named_data **head, const char *name ) -{ - int ret = 0; - const char *s = name, *c = s; - const char *end = s + strlen( s ); - const char *oid = NULL; - const x509_attr_descriptor_t* attr_descr = NULL; - int in_tag = 1; - char data[MBEDTLS_X509_MAX_DN_NAME_SIZE]; - char *d = data; - - /* Clear existing chain if present */ - mbedtls_asn1_free_named_data_list( head ); - - while( c <= end ) - { - if( in_tag && *c == '=' ) - { - if( ( attr_descr = x509_attr_descr_from_name( s, c - s ) ) == NULL ) - { - ret = MBEDTLS_ERR_X509_UNKNOWN_OID; - goto exit; - } - - oid = attr_descr->oid; - s = c + 1; - in_tag = 0; - d = data; - } - - if( !in_tag && *c == '\\' && c != end ) - { - c++; - - /* Check for valid escaped characters */ - if( c == end || *c != ',' ) - { - ret = MBEDTLS_ERR_X509_INVALID_NAME; - goto exit; - } - } - else if( !in_tag && ( *c == ',' || c == end ) ) - { - mbedtls_asn1_named_data* cur = - mbedtls_asn1_store_named_data( head, oid, strlen( oid ), - (unsigned char *) data, - d - data ); - - if(cur == NULL ) - { - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); - } - - // set tagType - cur->val.tag = attr_descr->default_tag; - - while( c < end && *(c + 1) == ' ' ) - c++; - - s = c + 1; - in_tag = 1; - } - - if( !in_tag && s != c + 1 ) - { - *(d++) = *c; - - if( d - data == MBEDTLS_X509_MAX_DN_NAME_SIZE ) - { - ret = MBEDTLS_ERR_X509_INVALID_NAME; - goto exit; - } - } - - c++; - } - -exit: - - return( ret ); -} - -/* The first byte of the value in the mbedtls_asn1_named_data structure is reserved - * to store the critical boolean for us - */ -int mbedtls_x509_set_extension( mbedtls_asn1_named_data **head, const char *oid, size_t oid_len, - int critical, const unsigned char *val, size_t val_len ) -{ - mbedtls_asn1_named_data *cur; - - if( ( cur = mbedtls_asn1_store_named_data( head, oid, oid_len, - NULL, val_len + 1 ) ) == NULL ) - { - return( MBEDTLS_ERR_X509_ALLOC_FAILED ); - } - - cur->val.p[0] = critical; - memcpy( cur->val.p + 1, val, val_len ); - - return( 0 ); -} - -/* - * RelativeDistinguishedName ::= - * SET OF AttributeTypeAndValue - * - * AttributeTypeAndValue ::= SEQUENCE { - * type AttributeType, - * value AttributeValue } - * - * AttributeType ::= OBJECT IDENTIFIER - * - * AttributeValue ::= ANY DEFINED BY AttributeType - */ -static int x509_write_name( unsigned char **p, unsigned char *start, mbedtls_asn1_named_data* cur_name) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t len = 0; - const char *oid = (const char*)cur_name->oid.p; - size_t oid_len = cur_name->oid.len; - const unsigned char *name = cur_name->val.p; - size_t name_len = cur_name->val.len; - - // Write correct string tag and value - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tagged_string( p, start, - cur_name->val.tag, - (const char *) name, - name_len ) ); - // Write OID - // - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_oid( p, start, oid, - oid_len ) ); - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, - MBEDTLS_ASN1_CONSTRUCTED | - MBEDTLS_ASN1_SEQUENCE ) ); - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, - MBEDTLS_ASN1_CONSTRUCTED | - MBEDTLS_ASN1_SET ) ); - - return( (int) len ); -} - -int mbedtls_x509_write_names( unsigned char **p, unsigned char *start, - mbedtls_asn1_named_data *first ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t len = 0; - mbedtls_asn1_named_data *cur = first; - - while( cur != NULL ) - { - MBEDTLS_ASN1_CHK_ADD( len, x509_write_name( p, start, cur ) ); - cur = cur->next; - } - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_CONSTRUCTED | - MBEDTLS_ASN1_SEQUENCE ) ); - - return( (int) len ); -} - -int mbedtls_x509_write_sig( unsigned char **p, unsigned char *start, - const char *oid, size_t oid_len, - unsigned char *sig, size_t size ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t len = 0; - - if( *p < start || (size_t)( *p - start ) < size ) - return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL ); - - len = size; - (*p) -= len; - memcpy( *p, sig, len ); - - if( *p - start < 1 ) - return( MBEDTLS_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = 0; - len += 1; - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_BIT_STRING ) ); - - // Write OID - // - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_algorithm_identifier( p, start, oid, - oid_len, 0 ) ); - - return( (int) len ); -} - -static int x509_write_extension( unsigned char **p, unsigned char *start, - mbedtls_asn1_named_data *ext ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t len = 0; - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, ext->val.p + 1, - ext->val.len - 1 ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, ext->val.len - 1 ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OCTET_STRING ) ); - - if( ext->val.p[0] != 0 ) - { - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_bool( p, start, 1 ) ); - } - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_raw_buffer( p, start, ext->oid.p, - ext->oid.len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, ext->oid.len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_OID ) ); - - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_len( p, start, len ) ); - MBEDTLS_ASN1_CHK_ADD( len, mbedtls_asn1_write_tag( p, start, MBEDTLS_ASN1_CONSTRUCTED | - MBEDTLS_ASN1_SEQUENCE ) ); - - return( (int) len ); -} - -/* - * Extension ::= SEQUENCE { - * extnID OBJECT IDENTIFIER, - * critical BOOLEAN DEFAULT FALSE, - * extnValue OCTET STRING - * -- contains the DER encoding of an ASN.1 value - * -- corresponding to the extension type identified - * -- by extnID - * } - */ -int mbedtls_x509_write_extensions( unsigned char **p, unsigned char *start, - mbedtls_asn1_named_data *first ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - size_t len = 0; - mbedtls_asn1_named_data *cur_ext = first; - - while( cur_ext != NULL ) - { - MBEDTLS_ASN1_CHK_ADD( len, x509_write_extension( p, start, cur_ext ) ); - cur_ext = cur_ext->next; - } - - return( (int) len ); -} - -#endif /* MBEDTLS_X509_CREATE_C */ |