3 #include <openssl/ssl.h>
5 CRL::CRL( std::string path ) {
6 std::shared_ptr<BIO> bio( BIO_new_file( path.c_str(), "r" ), free );
7 crl = std::shared_ptr<X509_CRL>( PEM_read_bio_X509_CRL( bio.get(), 0, NULL, 0 ), X509_CRL_free );
10 crl = std::shared_ptr<X509_CRL>( X509_CRL_new(), X509_CRL_free );
14 std::string CRL::revoke( std::string serial, std::string time ) {
17 if( ! BN_hex2bn( &serBN, serial.c_str() ) ) {
18 throw "hex2bn malloc fail";
21 std::shared_ptr<BIGNUM> serBNP( serBN, BN_free );
22 std::shared_ptr<ASN1_INTEGER> ser( BN_to_ASN1_INTEGER( serBN, NULL ), ASN1_INTEGER_free );
25 throw "BN Malloc fail";
28 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
31 throw "ASN1-Time Malloc fail";
34 X509_gmtime_adj( tmptm.get(), 0 );
36 X509_REVOKED* rev = X509_REVOKED_new();
37 X509_REVOKED_set_serialNumber( rev, ser.get() );
40 const unsigned char* data = ( unsigned char* )( time.data() );
41 d2i_ASN1_TIME( &rev->revocationDate, &data, time.size() );
43 X509_REVOKED_set_revocationDate( rev, tmptm.get() );
46 X509_CRL_add0_revoked( crl.get(), rev );
48 int len = i2d_ASN1_TIME( tmptm.get(), NULL );
49 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
50 unsigned char* pos = buffer;
51 i2d_ASN1_TIME( tmptm.get(), &pos );
52 std::string rettime = std::string( ( char* ) buffer, len );
53 OPENSSL_free( buffer );
57 void CRL::sign( std::shared_ptr<CAConfig> ca ) {
58 // Updating necessary CRL props
59 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
62 throw "ASN1-Time Malloc fail";
65 X509_gmtime_adj( tmptm.get(), 0 );
67 if( !X509_CRL_set_issuer_name( crl.get(), X509_get_subject_name( ca->ca.get() ) ) ) {
68 throw "Setting issuer failed";
71 X509_CRL_set_lastUpdate( crl.get(), tmptm.get() );
73 if( !X509_time_adj_ex( tmptm.get(), 1, 10, NULL ) ) {
74 throw "Updating time failed";
77 X509_CRL_set_nextUpdate( crl.get(), tmptm.get() );
79 // Sorting and signing
80 X509_CRL_sort( crl.get() );
81 X509_CRL_sign( crl.get(), ca->caKey.get(), EVP_sha256() );
84 bool CRL::verify( std::shared_ptr<CAConfig> ca ) {
85 std::shared_ptr<EVP_PKEY> pk( X509_get_pubkey( ca->ca.get() ), EVP_PKEY_free );
86 return X509_CRL_verify( crl.get(), pk.get() ) > 0;
89 std::string CRL::toString() {
90 // Write out the new CRL
91 std::shared_ptr<BIO> mem( BIO_new( BIO_s_mem() ), BIO_free );
92 PEM_write_bio_X509_CRL( mem.get(), crl.get() );
94 BIO_get_mem_ptr( mem.get(), &bptr );
95 std::string newCRL( bptr->data, bptr->length );
99 std::string CRL::getSignature() {
100 int len = i2d_X509_ALGOR( crl->sig_alg, NULL );
101 len += i2d_ASN1_BIT_STRING( crl->signature, NULL );
102 len += i2d_ASN1_TIME( crl->crl->lastUpdate, NULL );
103 len += i2d_ASN1_TIME( crl->crl->nextUpdate, NULL );
105 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
106 unsigned char* pos = buffer;
107 i2d_X509_ALGOR( crl->sig_alg, &pos );
108 i2d_ASN1_BIT_STRING( crl->signature, &pos );
109 i2d_ASN1_TIME( crl->crl->lastUpdate, &pos );
110 i2d_ASN1_TIME( crl->crl->nextUpdate, &pos );
111 std::string res = std::string( ( char* ) buffer, len );
112 OPENSSL_free( buffer );
117 void CRL::setSignature( std::string signature ) {
118 const unsigned char* data = ( unsigned char* )( signature.data() );
119 const unsigned char* buffer = data;
120 d2i_X509_ALGOR( &crl->sig_alg, &buffer, signature.size() );
121 d2i_ASN1_BIT_STRING( &crl->signature, &buffer, signature.size() + data - buffer );
122 d2i_ASN1_TIME( &crl->crl->lastUpdate, &buffer, signature.size() + data - buffer );
123 d2i_ASN1_TIME( &crl->crl->nextUpdate, &buffer, signature.size() + data - buffer );
126 bool CRL::needsResign() {
129 current += 60 * 60;// 1 hour
130 auto time = X509_CRL_get_nextUpdate( crl.get() );
136 int cmp = X509_cmp_time( time, ¤t );