9 #include "crypto/CRL.h"
11 std::shared_ptr<int> ssl_lib_ref(
12 new int( SSL_library_init() ),
17 CRYPTO_cleanup_all_ex_data();
20 std::shared_ptr<X509> loadX509FromFile( const std::string& filename ) {
21 std::shared_ptr<FILE> f( fopen( filename.c_str(), "r" ), fclose );
24 return std::shared_ptr<X509>();
27 X509* key = PEM_read_X509( f.get(), NULL, NULL, 0 );
30 return std::shared_ptr<X509>();
33 return std::shared_ptr<X509>(
40 std::shared_ptr<EVP_PKEY> loadPkeyFromFile( const std::string& filename ) {
41 std::shared_ptr<FILE> f( fopen( filename.c_str(), "r" ), fclose );
44 return std::shared_ptr<EVP_PKEY>();
47 EVP_PKEY* key = PEM_read_PrivateKey( f.get(), NULL, NULL, 0 );
50 return std::shared_ptr<EVP_PKEY>();
53 return std::shared_ptr<EVP_PKEY>(
55 []( EVP_PKEY * ref ) {
60 int gencb( int a, int b, BN_GENCB* g ) {
64 std::cout << ( a == 0 ? "." : "+" ) << std::flush;
68 static int verify_callback( int preverify_ok, X509_STORE_CTX* ctx ) {
70 //auto cert = X509_STORE_CTX_get_current_cert(ctx);
71 //BIO *o = BIO_new_fp(stdout,BIO_NOCLOSE);
72 //X509_print_ex(o, cert, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
75 std::cout << "Verification failed: " << preverify_ok << " because " << X509_STORE_CTX_get_error( ctx ) << std::endl;
81 static std::shared_ptr<DH> dh_param;
83 std::shared_ptr<SSL_CTX> generateSSLContext( bool server ) {
84 std::shared_ptr<SSL_CTX> ctx = std::shared_ptr<SSL_CTX>( SSL_CTX_new( TLSv1_2_method() ), []( SSL_CTX * p ) {
88 if( !SSL_CTX_set_cipher_list( ctx.get(), "HIGH:+CAMELLIA256:!eNull:!aNULL:!ADH:!MD5:-RSA+AES+SHA1:!RC4:!DES:!3DES:!SEED:!EXP:!AES128:!CAMELLIA128" ) ) {
89 throw "Cannot set cipher list. Your source is broken.";
92 SSL_CTX_set_verify( ctx.get(), SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_callback );
93 SSL_CTX_use_certificate_file( ctx.get(), server ? "keys/signer_server.crt" : "keys/signer_client.crt", SSL_FILETYPE_PEM );
94 SSL_CTX_use_PrivateKey_file( ctx.get(), server ? "keys/signer_server.key" : "keys/signer_client.key", SSL_FILETYPE_PEM );
95 if( 1 != SSL_CTX_load_verify_locations( ctx.get(), "keys/ca.crt", 0 ) ) {
96 throw "Cannot load CA store for certificate validation.";
100 STACK_OF( X509_NAME ) *names = SSL_load_client_CA_file( "keys/env.crt" );
103 SSL_CTX_set_client_CA_list( ctx.get(), names );
109 std::shared_ptr<FILE> paramfile( fopen( "dh_param.pem", "r" ), fclose );
112 dh_param = std::shared_ptr<DH>( PEM_read_DHparams( paramfile.get(), NULL, NULL, NULL ), DH_free );
114 dh_param = std::shared_ptr<DH>( DH_new(), DH_free );
115 std::cout << "Generating DH params" << std::endl;
121 if( !DH_generate_parameters_ex( dh_param.get(), 2048, 5, &cb ) ) {
122 throw "DH generation failed";
125 std::cout << std::endl;
126 paramfile = std::shared_ptr<FILE>( fopen( "dh_param.pem", "w" ), fclose );
129 PEM_write_DHparams( paramfile.get(), dh_param.get() );
134 if( !SSL_CTX_set_tmp_dh( ctx.get(), dh_param.get() ) ) {
135 throw "Cannot set tmp dh.";
142 void setupSerial( std::shared_ptr<FILE> f ) {
145 if( tcgetattr( fileno( f.get() ), &attr ) ) {
146 throw "failed to get attrs";
149 attr.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON );
150 attr.c_oflag &= ~OPOST;
151 attr.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
152 attr.c_cflag &= ~( CSIZE | PARENB );
155 cfsetispeed( &attr, B115200 );
156 cfsetospeed( &attr, B115200 );
158 if( tcsetattr( fileno( f.get() ), TCSANOW, &attr ) ) {
159 throw "failed to get attrs";
163 std::shared_ptr<BIO> openSerial( const std::string& name ) {
164 std::shared_ptr<FILE> f( fopen( name.c_str(), "r+" ), fclose );
167 std::cout << "Opening serial device failed" << std::endl;
168 return std::shared_ptr<BIO>();
172 return std::shared_ptr<BIO>(
173 BIO_new_fd( fileno( f.get() ), 0 ),
179 CAConfig::CAConfig( const std::string& name ) : path( "ca/" + name ), name( name ) {
180 ca = loadX509FromFile( path + "/ca.crt" );
181 caKey = loadPkeyFromFile( path + "/ca.key" );
182 ASN1_TIME* tm = X509_get_notBefore( ca );
183 notBefore = std::shared_ptr<ASN1_TIME>( tm, ASN1_TIME_free );
186 std::string timeToString( std::shared_ptr<ASN1_TIME> time ) {
187 std::shared_ptr<ASN1_GENERALIZEDTIME> gtime( ASN1_TIME_to_generalizedtime( time.get(), 0 ) );
188 std::string strdate( ( char* ) ASN1_STRING_data( gtime.get() ), ASN1_STRING_length( gtime.get() ) );
190 if( strdate[strdate.size() - 1] != 'Z' ) {
191 throw "Got invalid date?";
194 return strdate.substr( 0, strdate.size() - 1 );
197 void extractTimes( std::shared_ptr<X509> target, std::shared_ptr<SignedCertificate> cert ) {
198 cert->before = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notBefore( target.get() ), ASN1_TIME_free ) );
199 cert->after = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notAfter( target.get() ), ASN1_TIME_free ) );
202 bool CAConfig::crlNeedsResign() {
203 std::shared_ptr<CRL> crl( new CRL( path + "/ca.crl" ) );
204 return crl->needsResign();