1/* 2 * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include <stdio.h> 11#include "internal/cryptlib.h" 12#include <openssl/conf.h> 13#include <openssl/x509v3.h> 14#include "ext_dat.h" 15 16static BIT_STRING_BITNAME ns_cert_type_table[] = { 17 {0, "SSL Client", "client"}, 18 {1, "SSL Server", "server"}, 19 {2, "S/MIME", "email"}, 20 {3, "Object Signing", "objsign"}, 21 {4, "Unused", "reserved"}, 22 {5, "SSL CA", "sslCA"}, 23 {6, "S/MIME CA", "emailCA"}, 24 {7, "Object Signing CA", "objCA"}, 25 {-1, NULL, NULL} 26}; 27 28static BIT_STRING_BITNAME key_usage_type_table[] = { 29 {0, "Digital Signature", "digitalSignature"}, 30 {1, "Non Repudiation", "nonRepudiation"}, 31 {2, "Key Encipherment", "keyEncipherment"}, 32 {3, "Data Encipherment", "dataEncipherment"}, 33 {4, "Key Agreement", "keyAgreement"}, 34 {5, "Certificate Sign", "keyCertSign"}, 35 {6, "CRL Sign", "cRLSign"}, 36 {7, "Encipher Only", "encipherOnly"}, 37 {8, "Decipher Only", "decipherOnly"}, 38 {-1, NULL, NULL} 39}; 40 41const X509V3_EXT_METHOD ossl_v3_nscert = 42EXT_BITSTRING(NID_netscape_cert_type, ns_cert_type_table); 43const X509V3_EXT_METHOD ossl_v3_key_usage = 44EXT_BITSTRING(NID_key_usage, key_usage_type_table); 45 46STACK_OF(CONF_VALUE) *i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 47 ASN1_BIT_STRING *bits, 48 STACK_OF(CONF_VALUE) *ret) 49{ 50 BIT_STRING_BITNAME *bnam; 51 for (bnam = method->usr_data; bnam->lname; bnam++) { 52 if (ASN1_BIT_STRING_get_bit(bits, bnam->bitnum)) 53 X509V3_add_value(bnam->lname, NULL, &ret); 54 } 55 return ret; 56} 57 58ASN1_BIT_STRING *v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD *method, 59 X509V3_CTX *ctx, 60 STACK_OF(CONF_VALUE) *nval) 61{ 62 CONF_VALUE *val; 63 ASN1_BIT_STRING *bs; 64 int i; 65 BIT_STRING_BITNAME *bnam; 66 if ((bs = ASN1_BIT_STRING_new()) == NULL) { 67 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 68 return NULL; 69 } 70 for (i = 0; i < sk_CONF_VALUE_num(nval); i++) { 71 val = sk_CONF_VALUE_value(nval, i); 72 for (bnam = method->usr_data; bnam->lname; bnam++) { 73 if (strcmp(bnam->sname, val->name) == 0 74 || strcmp(bnam->lname, val->name) == 0) { 75 if (!ASN1_BIT_STRING_set_bit(bs, bnam->bitnum, 1)) { 76 ERR_raise(ERR_LIB_X509V3, ERR_R_MALLOC_FAILURE); 77 ASN1_BIT_STRING_free(bs); 78 return NULL; 79 } 80 break; 81 } 82 } 83 if (!bnam->lname) { 84 ERR_raise_data(ERR_LIB_X509V3, X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT, 85 "%s", val->name); 86 ASN1_BIT_STRING_free(bs); 87 return NULL; 88 } 89 } 90 return bs; 91} 92