9 #include "crypto/CRL.h"
10 #include "log/logger.hpp"
12 std::shared_ptr<int> ssl_lib_ref(
13 new int( SSL_library_init() ),
18 CRYPTO_cleanup_all_ex_data();
21 std::shared_ptr<X509> loadX509FromFile( const std::string& filename ) {
22 std::shared_ptr<FILE> f( fopen( filename.c_str(), "r" ), fclose );
25 return std::shared_ptr<X509>();
28 X509* key = PEM_read_X509( f.get(), NULL, NULL, 0 );
31 return std::shared_ptr<X509>();
34 return std::shared_ptr<X509>(
41 std::shared_ptr<EVP_PKEY> loadPkeyFromFile( const std::string& filename ) {
42 std::shared_ptr<FILE> f(
43 fopen( filename.c_str(), "r" ),
51 return std::shared_ptr<EVP_PKEY>();
54 EVP_PKEY* key = PEM_read_PrivateKey( f.get(), NULL, NULL, 0 );
57 return std::shared_ptr<EVP_PKEY>();
60 return std::shared_ptr<EVP_PKEY>(
67 int gencb( int a, int b, BN_GENCB* g ) {
72 std::cout << ( a == 0 ? "." : "+" ) << std::flush;
77 static int verify_callback( int preverify_ok, X509_STORE_CTX* ctx ) {
79 //auto cert = X509_STORE_CTX_get_current_cert(ctx);
80 //BIO *o = BIO_new_fp(stdout,BIO_NOCLOSE);
81 //X509_print_ex(o, cert, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
84 logger::errorf( "Verification failed: %s because %s", preverify_ok, X509_STORE_CTX_get_error( ctx ) );
90 static std::shared_ptr<DH> dh_param;
92 std::shared_ptr<SSL_CTX> generateSSLContext( bool server ) {
93 std::shared_ptr<SSL_CTX> ctx = std::shared_ptr<SSL_CTX>(
94 SSL_CTX_new( TLSv1_2_method() ),
99 if( !SSL_CTX_set_cipher_list( ctx.get(), "HIGH:+CAMELLIA256:!eNull:!aNULL:!ADH:!MD5:-RSA+AES+SHA1:!RC4:!DES:!3DES:!SEED:!EXP:!AES128:!CAMELLIA128" ) ) {
100 throw "Cannot set cipher list. Your source is broken.";
103 SSL_CTX_set_verify( ctx.get(), SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_callback );
104 SSL_CTX_use_certificate_file( ctx.get(), server ? "keys/signer_server.crt" : "keys/signer_client.crt", SSL_FILETYPE_PEM );
105 SSL_CTX_use_PrivateKey_file( ctx.get(), server ? "keys/signer_server.key" : "keys/signer_client.key", SSL_FILETYPE_PEM );
107 if( 1 != SSL_CTX_load_verify_locations( ctx.get(), "keys/ca.crt", 0 ) ) {
108 throw "Cannot load CA store for certificate validation.";
112 STACK_OF( X509_NAME ) *names = SSL_load_client_CA_file( "keys/env.crt" );
115 SSL_CTX_set_client_CA_list( ctx.get(), names );
121 std::shared_ptr<FILE> paramfile( fopen( "dh_param.pem", "r" ), fclose );
124 dh_param = std::shared_ptr<DH>( PEM_read_DHparams( paramfile.get(), NULL, NULL, NULL ), DH_free );
126 dh_param = std::shared_ptr<DH>( DH_new(), DH_free );
127 logger::note( "Generating DH params" );
133 if( !DH_generate_parameters_ex( dh_param.get(), 2048, 5, &cb ) ) {
134 throw "DH generation failed";
137 std::cout << std::endl;
138 paramfile = std::shared_ptr<FILE>( fopen( "dh_param.pem", "w" ), fclose );
141 PEM_write_DHparams( paramfile.get(), dh_param.get() );
146 if( !SSL_CTX_set_tmp_dh( ctx.get(), dh_param.get() ) ) {
147 throw "Cannot set tmp dh.";
154 void setupSerial( std::shared_ptr<FILE> f ) {
157 if( tcgetattr( fileno( f.get() ), &attr ) ) {
158 throw "failed to get attrs";
161 attr.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON );
162 attr.c_oflag &= ~OPOST;
163 attr.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
164 attr.c_cflag &= ~( CSIZE | PARENB );
167 cfsetispeed( &attr, B115200 );
168 cfsetospeed( &attr, B115200 );
170 if( tcsetattr( fileno( f.get() ), TCSANOW, &attr ) ) {
171 throw "failed to get attrs";
175 std::shared_ptr<BIO> openSerial( const std::string& name ) {
176 std::shared_ptr<FILE> f( fopen( name.c_str(), "r+" ), fclose );
179 logger::error( "Opening serial device failed." );
180 return std::shared_ptr<BIO>();
184 return std::shared_ptr<BIO>(
185 BIO_new_fd( fileno( f.get() ), 0 ),
191 extern std::string crlPrefix;
192 extern std::string crtPrefix;
194 CAConfig::CAConfig( const std::string& name ) : path( "ca/" + name ), name( name ) {
195 ca = loadX509FromFile( path + "/ca.crt" );
196 caKey = loadPkeyFromFile( path + "/ca.key" );
197 ASN1_TIME* tm = X509_get_notBefore( ca );
198 notBefore = std::shared_ptr<ASN1_TIME>( tm, ASN1_TIME_free );
199 std::size_t pos = name.find("_");
200 if (pos == std::string::npos) {
201 throw new std::invalid_argument("ca name: " + name + " is malformed.");
203 std::size_t pos2 = name.find("_", pos + 1);
204 if (pos2 == std::string::npos) {
205 throw new std::invalid_argument("ca name: " + name + " is malformed.");
207 crlURL = crlPrefix + "/g2/" + name.substr(pos+1, pos2-pos - 1) + "/" + name.substr(0,pos) + "-" + name.substr(pos2+1) + ".crl";
208 crtURL = crtPrefix + "/g2/" + name.substr(pos+1, pos2-pos - 1) + "/" + name.substr(0,pos) + "-" + name.substr(pos2+1) + ".crt";
211 std::string timeToString( std::shared_ptr<ASN1_TIME> time ) {
212 std::shared_ptr<ASN1_GENERALIZEDTIME> gtime( ASN1_TIME_to_generalizedtime( time.get(), 0 ) );
213 std::string strdate( ( char* ) ASN1_STRING_data( gtime.get() ), ASN1_STRING_length( gtime.get() ) );
215 logger::notef("openssl formatted me a date: %s", strdate);
216 if( strdate[strdate.size() - 1] != 'Z' ) {
217 throw "Got invalid date?";
220 return strdate.substr( 0, strdate.size() - 1 );
223 void extractTimes( std::shared_ptr<X509> target, std::shared_ptr<SignedCertificate> cert ) {
224 cert->before = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notBefore( target.get() ), ASN1_TIME_free ) );
225 cert->after = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notAfter( target.get() ), ASN1_TIME_free ) );
228 bool CAConfig::crlNeedsResign() {
229 auto crl = std::make_shared<CRL>( path + "/ca.crl" );
230 return crl->needsResign();