3 #include <openssl/ssl.h>
4 #include <log/logger.hpp>
7 CRL::CRL( std::string path ) {
8 std::shared_ptr<BIO> bio( BIO_new_file( path.c_str(), "r" ), BIO_free );
9 crl = std::shared_ptr<X509_CRL>( PEM_read_bio_X509_CRL( bio.get(), 0, NULL, 0 ), X509_CRL_free );
12 crl = std::shared_ptr<X509_CRL>( X509_CRL_new(), X509_CRL_free );
16 std::string CRL::revoke( std::string serial, std::string time ) {
19 logger::note("parsing serial");
20 if( ! BN_hex2bn( &serBN, serial.c_str() ) ) {
21 throw std::runtime_error("hex2bn malloc fail");
24 std::shared_ptr<BIGNUM> serBNP( serBN, BN_free );
25 std::shared_ptr<ASN1_INTEGER> ser( BN_to_ASN1_INTEGER( serBN, NULL ), ASN1_INTEGER_free );
28 throw std::runtime_error("BN Malloc fail");
31 logger::note("building current time");
32 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
35 throw std::runtime_error("ASN1-Time Malloc fail");
38 X509_gmtime_adj( tmptm.get(), 0 );
40 logger::note("creating entry");
41 X509_REVOKED* rev = X509_REVOKED_new();
42 X509_REVOKED_set_serialNumber( rev, ser.get() );
45 const unsigned char* data = ( unsigned char* )( time.data() );
46 d2i_ASN1_TIME( &rev->revocationDate, &data, time.size() );
48 X509_REVOKED_set_revocationDate( rev, tmptm.get() );
51 X509_CRL_add0_revoked( crl.get(), rev );
53 int len = i2d_ASN1_TIME( tmptm.get(), NULL );
54 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
55 unsigned char* pos = buffer;
56 i2d_ASN1_TIME( tmptm.get(), &pos );
57 std::string rettime = std::string( ( char* ) buffer, len );
58 OPENSSL_free( buffer );
62 void CRL::sign( std::shared_ptr<CAConfig> ca ) {
63 // Updating necessary CRL props
64 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
67 throw std::runtime_error("ASN1-Time Malloc fail");
70 X509_gmtime_adj( tmptm.get(), 0 );
72 logger::note("setting issuer");
73 if( !X509_CRL_set_issuer_name( crl.get(), X509_get_subject_name( ca->ca.get() ) ) ) {
74 throw std::runtime_error("Setting issuer failed");
77 logger::note("setting update");
78 X509_CRL_set_lastUpdate( crl.get(), tmptm.get() );
80 if( !X509_time_adj_ex( tmptm.get(), 1, 10, NULL ) ) {
81 throw std::runtime_error("Updating time failed");
84 logger::note("setting next update");
85 X509_CRL_set_nextUpdate( crl.get(), tmptm.get() );
87 logger::note("sorting");
88 // Sorting and signing
89 X509_CRL_sort( crl.get() );
90 logger::note("signing");
91 X509_CRL_sign( crl.get(), ca->caKey.get(), EVP_sha256() );
94 bool CRL::verify( std::shared_ptr<CAConfig> ca ) {
95 std::shared_ptr<EVP_PKEY> pk( X509_get_pubkey( ca->ca.get() ), EVP_PKEY_free );
96 return X509_CRL_verify( crl.get(), pk.get() ) > 0;
99 std::string CRL::toString() {
100 // Write out the new CRL
101 std::shared_ptr<BIO> mem( BIO_new( BIO_s_mem() ), BIO_free );
102 PEM_write_bio_X509_CRL( mem.get(), crl.get() );
104 BIO_get_mem_ptr( mem.get(), &bptr );
105 std::string newCRL( bptr->data, bptr->length );
109 std::string CRL::getSignature() {
110 int len = i2d_X509_ALGOR( crl->sig_alg, NULL );
111 len += i2d_ASN1_BIT_STRING( crl->signature, NULL );
112 len += i2d_ASN1_TIME( crl->crl->lastUpdate, NULL );
113 len += i2d_ASN1_TIME( crl->crl->nextUpdate, NULL );
115 unsigned char* buffer = ( unsigned char* ) OPENSSL_malloc( len );
116 unsigned char* pos = buffer;
117 i2d_X509_ALGOR( crl->sig_alg, &pos );
118 i2d_ASN1_BIT_STRING( crl->signature, &pos );
119 i2d_ASN1_TIME( crl->crl->lastUpdate, &pos );
120 i2d_ASN1_TIME( crl->crl->nextUpdate, &pos );
121 std::string res = std::string( ( char* ) buffer, len );
122 OPENSSL_free( buffer );
127 void CRL::setSignature( std::string signature ) {
128 X509_CRL_sort( crl.get() );
129 const unsigned char* data = ( unsigned char* )( signature.data() );
130 const unsigned char* buffer = data;
131 d2i_X509_ALGOR( &crl->sig_alg, &buffer, signature.size() );
132 d2i_ASN1_BIT_STRING( &crl->signature, &buffer, signature.size() + data - buffer );
133 d2i_ASN1_TIME( &crl->crl->lastUpdate, &buffer, signature.size() + data - buffer );
134 d2i_ASN1_TIME( &crl->crl->nextUpdate, &buffer, signature.size() + data - buffer );
137 bool CRL::needsResign() {
140 current += 60 * 60;// 1 hour
141 auto time = X509_CRL_get_nextUpdate( crl.get() );
147 int cmp = X509_cmp_time( time, ¤t );