3 #include <openssl/ssl.h>
4 #include <log/logger.hpp>
6 CRL::CRL( std::string path ) {
7 std::shared_ptr<BIO> bio( BIO_new_file( path.c_str(), "r" ), BIO_free );
8 crl = std::shared_ptr<X509_CRL>( PEM_read_bio_X509_CRL( bio.get(), 0, NULL, 0 ), X509_CRL_free );
11 crl = std::shared_ptr<X509_CRL>( X509_CRL_new(), X509_CRL_free );
15 std::string CRL::revoke( std::string serial, std::string time ) {
18 logger::note("parsing serial");
19 if( ! BN_hex2bn( &serBN, serial.c_str() ) ) {
20 throw "hex2bn malloc fail";
23 std::shared_ptr<BIGNUM> serBNP( serBN, BN_free );
24 std::shared_ptr<ASN1_INTEGER> ser( BN_to_ASN1_INTEGER( serBN, NULL ), ASN1_INTEGER_free );
27 throw "BN Malloc fail";
30 logger::note("building current time");
31 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
34 throw "ASN1-Time Malloc fail";
37 X509_gmtime_adj( tmptm.get(), 0 );
39 logger::note("creating entry");
40 X509_REVOKED* rev = X509_REVOKED_new();
41 X509_REVOKED_set_serialNumber( rev, ser.get() );
44 const unsigned char* data = ( unsigned char* )( time.data() );
45 d2i_ASN1_TIME( &rev->revocationDate, &data, time.size() );
47 X509_REVOKED_set_revocationDate( rev, tmptm.get() );
50 X509_CRL_add0_revoked( crl.get(), rev );
52 int len = i2d_ASN1_TIME( tmptm.get(), NULL );
53 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
54 unsigned char* pos = buffer;
55 i2d_ASN1_TIME( tmptm.get(), &pos );
56 std::string rettime = std::string( ( char* ) buffer, len );
57 OPENSSL_free( buffer );
61 void CRL::sign( std::shared_ptr<CAConfig> ca ) {
62 // Updating necessary CRL props
63 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
66 throw "ASN1-Time Malloc fail";
69 X509_gmtime_adj( tmptm.get(), 0 );
71 logger::note("setting issuer");
72 if( !X509_CRL_set_issuer_name( crl.get(), X509_get_subject_name( ca->ca.get() ) ) ) {
73 throw "Setting issuer failed";
76 logger::note("setting update");
77 X509_CRL_set_lastUpdate( crl.get(), tmptm.get() );
79 if( !X509_time_adj_ex( tmptm.get(), 1, 10, NULL ) ) {
80 throw "Updating time failed";
83 logger::note("setting next update");
84 X509_CRL_set_nextUpdate( crl.get(), tmptm.get() );
86 logger::note("sorting");
87 // Sorting and signing
88 X509_CRL_sort( crl.get() );
89 logger::note("signing");
90 X509_CRL_sign( crl.get(), ca->caKey.get(), EVP_sha256() );
93 bool CRL::verify( std::shared_ptr<CAConfig> ca ) {
94 std::shared_ptr<EVP_PKEY> pk( X509_get_pubkey( ca->ca.get() ), EVP_PKEY_free );
95 return X509_CRL_verify( crl.get(), pk.get() ) > 0;
98 std::string CRL::toString() {
99 // Write out the new CRL
100 std::shared_ptr<BIO> mem( BIO_new( BIO_s_mem() ), BIO_free );
101 PEM_write_bio_X509_CRL( mem.get(), crl.get() );
103 BIO_get_mem_ptr( mem.get(), &bptr );
104 std::string newCRL( bptr->data, bptr->length );
108 std::string CRL::getSignature() {
109 int len = i2d_X509_ALGOR( crl->sig_alg, NULL );
110 len += i2d_ASN1_BIT_STRING( crl->signature, NULL );
111 len += i2d_ASN1_TIME( crl->crl->lastUpdate, NULL );
112 len += i2d_ASN1_TIME( crl->crl->nextUpdate, NULL );
114 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
115 unsigned char* pos = buffer;
116 i2d_X509_ALGOR( crl->sig_alg, &pos );
117 i2d_ASN1_BIT_STRING( crl->signature, &pos );
118 i2d_ASN1_TIME( crl->crl->lastUpdate, &pos );
119 i2d_ASN1_TIME( crl->crl->nextUpdate, &pos );
120 std::string res = std::string( ( char* ) buffer, len );
121 OPENSSL_free( buffer );
126 void CRL::setSignature( std::string signature ) {
127 X509_CRL_sort( crl.get() );
128 const unsigned char* data = ( unsigned char* )( signature.data() );
129 const unsigned char* buffer = data;
130 d2i_X509_ALGOR( &crl->sig_alg, &buffer, signature.size() );
131 d2i_ASN1_BIT_STRING( &crl->signature, &buffer, signature.size() + data - buffer );
132 d2i_ASN1_TIME( &crl->crl->lastUpdate, &buffer, signature.size() + data - buffer );
133 d2i_ASN1_TIME( &crl->crl->nextUpdate, &buffer, signature.size() + data - buffer );
136 bool CRL::needsResign() {
139 current += 60 * 60;// 1 hour
140 auto time = X509_CRL_get_nextUpdate( crl.get() );
146 int cmp = X509_cmp_time( time, ¤t );