1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/certdb/xauthkid.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,128 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +/*
1.9 + * X.509 v3 Subject Key Usage Extension
1.10 + *
1.11 + */
1.12 +
1.13 +#include "prtypes.h"
1.14 +#include "seccomon.h"
1.15 +#include "secdert.h"
1.16 +#include "secoidt.h"
1.17 +#include "secasn1t.h"
1.18 +#include "secasn1.h"
1.19 +#include "secport.h"
1.20 +#include "certt.h"
1.21 +#include "genname.h"
1.22 +#include "secerr.h"
1.23 +
1.24 +SEC_ASN1_MKSUB(SEC_IntegerTemplate)
1.25 +SEC_ASN1_MKSUB(SEC_OctetStringTemplate)
1.26 +
1.27 +const SEC_ASN1Template CERTAuthKeyIDTemplate[] = {
1.28 + { SEC_ASN1_SEQUENCE, 0, NULL, sizeof(CERTAuthKeyID) },
1.29 + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 0,
1.30 + offsetof(CERTAuthKeyID,keyID), SEC_ASN1_SUB(SEC_OctetStringTemplate)},
1.31 + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC | 1,
1.32 + offsetof(CERTAuthKeyID, DERAuthCertIssuer), CERT_GeneralNamesTemplate},
1.33 + { SEC_ASN1_OPTIONAL | SEC_ASN1_CONTEXT_SPECIFIC | SEC_ASN1_XTRN | 2,
1.34 + offsetof(CERTAuthKeyID,authCertSerialNumber),
1.35 + SEC_ASN1_SUB(SEC_IntegerTemplate) },
1.36 + { 0 }
1.37 +};
1.38 +
1.39 +
1.40 +
1.41 +SECStatus CERT_EncodeAuthKeyID (PLArenaPool *arena, CERTAuthKeyID *value, SECItem *encodedValue)
1.42 +{
1.43 + SECStatus rv = SECFailure;
1.44 +
1.45 + PORT_Assert (value);
1.46 + PORT_Assert (arena);
1.47 + PORT_Assert (value->DERAuthCertIssuer == NULL);
1.48 + PORT_Assert (encodedValue);
1.49 +
1.50 + do {
1.51 +
1.52 + /* If both of the authCertIssuer and the serial number exist, encode
1.53 + the name first. Otherwise, it is an error if one exist and the other
1.54 + is not.
1.55 + */
1.56 + if (value->authCertIssuer) {
1.57 + if (!value->authCertSerialNumber.data) {
1.58 + PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
1.59 + break;
1.60 + }
1.61 +
1.62 + value->DERAuthCertIssuer = cert_EncodeGeneralNames
1.63 + (arena, value->authCertIssuer);
1.64 + if (!value->DERAuthCertIssuer) {
1.65 + PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
1.66 + break;
1.67 + }
1.68 + }
1.69 + else if (value->authCertSerialNumber.data) {
1.70 + PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
1.71 + break;
1.72 + }
1.73 +
1.74 + if (SEC_ASN1EncodeItem (arena, encodedValue, value,
1.75 + CERTAuthKeyIDTemplate) == NULL)
1.76 + break;
1.77 + rv = SECSuccess;
1.78 +
1.79 + } while (0);
1.80 + return(rv);
1.81 +}
1.82 +
1.83 +CERTAuthKeyID *
1.84 +CERT_DecodeAuthKeyID (PLArenaPool *arena, const SECItem *encodedValue)
1.85 +{
1.86 + CERTAuthKeyID * value = NULL;
1.87 + SECStatus rv = SECFailure;
1.88 + void * mark;
1.89 + SECItem newEncodedValue;
1.90 +
1.91 + PORT_Assert (arena);
1.92 +
1.93 + do {
1.94 + mark = PORT_ArenaMark (arena);
1.95 + value = (CERTAuthKeyID*)PORT_ArenaZAlloc (arena, sizeof (*value));
1.96 + if (value == NULL)
1.97 + break;
1.98 + value->DERAuthCertIssuer = NULL;
1.99 + /* copy the DER into the arena, since Quick DER returns data that points
1.100 + into the DER input, which may get freed by the caller */
1.101 + rv = SECITEM_CopyItem(arena, &newEncodedValue, encodedValue);
1.102 + if ( rv != SECSuccess ) {
1.103 + break;
1.104 + }
1.105 +
1.106 + rv = SEC_QuickDERDecodeItem
1.107 + (arena, value, CERTAuthKeyIDTemplate, &newEncodedValue);
1.108 + if (rv != SECSuccess)
1.109 + break;
1.110 +
1.111 + value->authCertIssuer = cert_DecodeGeneralNames (arena, value->DERAuthCertIssuer);
1.112 + if (value->authCertIssuer == NULL)
1.113 + break;
1.114 +
1.115 + /* what if the general name contains other format but not URI ?
1.116 + hl
1.117 + */
1.118 + if ((value->authCertSerialNumber.data && !value->authCertIssuer) ||
1.119 + (!value->authCertSerialNumber.data && value->authCertIssuer)){
1.120 + PORT_SetError (SEC_ERROR_EXTENSION_VALUE_INVALID);
1.121 + break;
1.122 + }
1.123 + } while (0);
1.124 +
1.125 + if (rv != SECSuccess) {
1.126 + PORT_ArenaRelease (arena, mark);
1.127 + return ((CERTAuthKeyID *)NULL);
1.128 + }
1.129 + PORT_ArenaUnmark(arena, mark);
1.130 + return (value);
1.131 +}
