1 #include "simpleOpensslSigner.h"
5 #include <unordered_map>
7 #include <openssl/ssl.h>
8 #include <openssl/err.h>
9 #include <openssl/bio.h>
10 #include <openssl/bn.h>
11 #include <openssl/engine.h>
12 #include <openssl/x509v3.h>
18 extern std::unordered_map<std::string, Profile> profiles;
20 std::shared_ptr<int> SimpleOpensslSigner::lib_ref = ssl_lib_ref;
22 SimpleOpensslSigner::SimpleOpensslSigner() {
25 SimpleOpensslSigner::~SimpleOpensslSigner() {
28 std::pair<std::shared_ptr<BIGNUM>, std::string> SimpleOpensslSigner::nextSerial( Profile& prof ) {
29 uint16_t profile = prof.id;
30 std::string res = readFile( prof.ca->path + "/serial" );
38 throw "Initing serial failed";
41 if( !BN_hex2bn( &bn, res.c_str() + 1 ) ) {
42 throw "Parsing serial failed.";
46 std::shared_ptr<BIGNUM> serial = std::shared_ptr<BIGNUM>( bn, BN_free );
48 std::shared_ptr<unsigned char> data = std::shared_ptr<unsigned char>( ( unsigned char* ) malloc( BN_num_bytes( serial.get() ) + 20 ), free );
49 int len = BN_bn2bin( serial.get(), data.get() );
51 data.get()[len] = 0x0;
52 data.get()[len + 1] = 0x0; // signer id
54 data.get()[len + 2] = profile >> 8;
55 data.get()[len + 3] = profile & 0xFF; // profile id
57 if( !RAND_bytes( data.get() + len + 4, 16 ) || !BN_add_word( serial.get(), 1 ) ) {
58 throw "Big number math failed while calcing serials.";
61 std::shared_ptr<char> serStr = std::shared_ptr<char>(
62 BN_bn2hex( serial.get() ),
66 writeFile( prof.ca->path + "/serial", serStr.get() );
68 return std::pair<std::shared_ptr<BIGNUM>, std::string>( std::shared_ptr<BIGNUM>( BN_bin2bn( data.get(), len + 4 + 16 , 0 ), BN_free ), std::string( serStr.get() ) );
71 std::shared_ptr<SignedCertificate> SimpleOpensslSigner::sign( std::shared_ptr<TBSCertificate> cert ) {
72 std::stringstream signlog;
74 signlog << "FINE: profile is " << cert->profile << std::endl;
76 Profile& prof = profiles.at( cert->profile );
79 throw "CA-key not found";
82 signlog << "FINE: CA-key is correctly loaded." << std::endl;
83 signlog << "FINE: Profile id is: " << prof.id << std::endl;
84 signlog << "FINE: ku is: " << prof.ku << std::endl;
85 signlog << "FINE: eku is: " << prof.eku << std::endl;
87 std::shared_ptr<X509Req> req;
89 if( cert->csr_type == "SPKAC" ) {
90 req = X509Req::parseSPKAC( cert->csr_content );
91 } else if( cert->csr_type == "CSR" ) {
92 req = X509Req::parseCSR( cert->csr_content );
94 throw "Error, unknown REQ rype " + ( cert->csr_type );
97 int i = req->verify();
100 throw "Signature problems ... ";
101 } else if( i == 0 ) {
102 throw "Signature did not match";
104 signlog << "FINE: Signature ok" << std::endl;
107 // Construct the Certificate
108 X509Cert c = X509Cert();
109 std::shared_ptr<X509> retsh = std::shared_ptr<X509>( X509_new(), X509_free );
110 X509* ret = retsh.get();
113 throw "Creating X509 failed.";
116 X509_NAME* subjectP = X509_NAME_new();
119 throw "malloc failure";
122 for( std::shared_ptr<AVA> a : cert->AVAs ) {
123 signlog << "Addings RDN: " << a->name << ": " << a->value << std::endl;
125 if( a->name == "CN" ) {
126 c.addRDN( NID_commonName, a->value );
127 } else if( a->name == "EMAIL" ) {
128 c.addRDN( NID_pkcs9_emailAddress, a->value );
129 } else if( a->name == "C" ) {
130 c.addRDN( NID_countryName, a->value );
131 } else if( a->name == "L" ) {
132 c.addRDN( NID_localityName, a->value );
133 } else if( a->name == "ST" ) {
134 c.addRDN( NID_stateOrProvinceName, a->value );
135 } else if( a->name == "O" ) {
136 c.addRDN( NID_organizationName, a->value );
137 } else if( a->name == "OU" ) {
138 c.addRDN( NID_organizationalUnitName, a->value );
140 throw "unknown AVA-type";
144 c.setIssuerNameFrom( prof.ca->ca );
145 c.setPubkeyFrom( req );
147 std::shared_ptr<BIGNUM> ser;
149 std::tie( ser, num ) = nextSerial( prof );
150 c.setSerialNumber( ser.get() );
151 c.setTimes( 0, 60 * 60 * 24 * 10 );
152 signlog << "FINE: Setting extensions." << std::endl;
153 c.setExtensions( prof.ca->ca, cert->SANs, prof );
154 signlog << "FINE: Signed" << std::endl;
155 std::shared_ptr<SignedCertificate> output = c.sign( prof.ca->caKey, cert->md );
156 signlog << "FINE: all went well" << std::endl;
157 signlog << "FINE: crt went to: " << writeBackFile( num, output->certificate, prof.ca->path ) << std::endl;
158 output->log = signlog.str();
163 std::shared_ptr<X509_CRL> SimpleOpensslSigner::revoke( std::shared_ptr<CAConfig> ca, std::string serial ) {
164 std::string crlpath = ca->path + "/ca.crl";
166 std::shared_ptr<BIO> bio( BIO_new_file( crlpath.c_str(), "r" ), free );
167 std::shared_ptr<X509_CRL> crl( PEM_read_bio_X509_CRL( bio.get(), 0, NULL, 0 ), X509_CRL_free );
168 std::cout << "Starting revocation" << std::endl;
171 std::cout << "CRL was not loaded" << std::endl;
172 crl = std::shared_ptr<X509_CRL>( X509_CRL_new(), X509_CRL_free );
177 if( ! BN_hex2bn( &serBN, serial.c_str() ) ) {
181 std::shared_ptr<BIGNUM> serBNP( serBN, BN_free );
182 std::shared_ptr<ASN1_INTEGER> ser( BN_to_ASN1_INTEGER( serBN, NULL ), ASN1_INTEGER_free );
188 std::shared_ptr<ASN1_TIME> tmptm( ASN1_TIME_new(), ASN1_TIME_free );
194 X509_gmtime_adj( tmptm.get(), 0 );
196 X509_REVOKED* rev = X509_REVOKED_new();
197 X509_REVOKED_set_serialNumber( rev, ser.get() );
198 X509_REVOKED_set_revocationDate( rev, tmptm.get() );
200 X509_CRL_add0_revoked( crl.get(), rev );
202 if( !X509_CRL_set_issuer_name( crl.get(), X509_get_subject_name( ca->ca.get() ) ) ) {
206 X509_CRL_set_lastUpdate( crl.get(), tmptm.get() );
208 if( !X509_time_adj_ex( tmptm.get(), 1, 10, NULL ) ) {
212 X509_CRL_set_nextUpdate( crl.get(), tmptm.get() );
215 std::cout << "Signing" << std::endl;
216 X509_CRL_sort( crl.get() );
217 X509_CRL_sign( crl.get(), ca->caKey.get(), EVP_sha256() );
219 std::cout << "writing bio" << std::endl;
220 std::shared_ptr<BIO> bioOut( BIO_new_file( crlpath.c_str(), "w" ), BIO_free );
221 PEM_write_bio_X509_CRL( bioOut.get(), crl.get() );
222 std::cout << "finished crl" << std::endl;