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 FILE* f = fopen( filename.c_str(), "r" );
24 return std::shared_ptr<X509>();
27 X509* key = PEM_read_X509( f, 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 FILE* f = fopen( filename.c_str(), "r" );
45 return std::shared_ptr<EVP_PKEY>();
48 EVP_PKEY* key = PEM_read_PrivateKey( f, NULL, NULL, 0 );
52 return std::shared_ptr<EVP_PKEY>();
55 return std::shared_ptr<EVP_PKEY>(
57 []( EVP_PKEY * ref ) {
62 int gencb( int a, int b, BN_GENCB* g ) {
66 std::cout << ( a == 0 ? "." : "+" ) << std::flush;
70 static int verify_callback( int preverify_ok, X509_STORE_CTX* ctx ) {
72 //auto cert = X509_STORE_CTX_get_current_cert(ctx);
73 //BIO *o = BIO_new_fp(stdout,BIO_NOCLOSE);
74 //X509_print_ex(o, cert, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
77 std::cout << "Verification failed: " << preverify_ok << " because " << X509_STORE_CTX_get_error( ctx ) << std::endl;
83 static std::shared_ptr<DH> dh_param;
85 std::shared_ptr<SSL_CTX> generateSSLContext( bool server ) {
86 std::shared_ptr<SSL_CTX> ctx = std::shared_ptr<SSL_CTX>( SSL_CTX_new( TLSv1_2_method() ), []( SSL_CTX * p ) {
90 if( !SSL_CTX_set_cipher_list( ctx.get(), "HIGH:+CAMELLIA256:!eNull:!aNULL:!ADH:!MD5:-RSA+AES+SHA1:!RC4:!DES:!3DES:!SEED:!EXP:!AES128:!CAMELLIA128" ) ) {
91 throw "Cannot set cipher list. Your source is broken.";
94 SSL_CTX_set_verify( ctx.get(), SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT, verify_callback );
95 SSL_CTX_use_certificate_file( ctx.get(), server ? "keys/signer_server.crt" : "keys/signer_client.crt", SSL_FILETYPE_PEM );
96 SSL_CTX_use_PrivateKey_file( ctx.get(), server ? "keys/signer_server.key" : "keys/signer_client.key", SSL_FILETYPE_PEM );
97 if( 1 != SSL_CTX_load_verify_locations( ctx.get(), "keys/ca.crt", 0 ) ) {
98 throw "Cannot load CA store for certificate validation.";
102 STACK_OF( X509_NAME ) *names = SSL_load_client_CA_file( "keys/env.crt" );
105 SSL_CTX_set_client_CA_list( ctx.get(), names );
111 FILE* paramfile = fopen( "dh_param.pem", "r" );
114 dh_param = std::shared_ptr<DH>( PEM_read_DHparams( paramfile, NULL, NULL, NULL ), DH_free );
117 dh_param = std::shared_ptr<DH>( DH_new(), DH_free );
118 std::cout << "Generating DH params" << std::endl;
124 if( !DH_generate_parameters_ex( dh_param.get(), 2048, 5, &cb ) ) {
125 throw "DH generation failed";
128 std::cout << std::endl;
129 paramfile = fopen( "dh_param.pem", "w" );
132 PEM_write_DHparams( paramfile, dh_param.get() );
138 if( !SSL_CTX_set_tmp_dh( ctx.get(), dh_param.get() ) ) {
139 throw "Cannot set tmp dh.";
146 void setupSerial( FILE* f ) {
149 if( tcgetattr( fileno( f ), &attr ) ) {
150 throw "failed to get attrs";
153 attr.c_iflag &= ~( IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON );
154 attr.c_oflag &= ~OPOST;
155 attr.c_lflag &= ~( ECHO | ECHONL | ICANON | ISIG | IEXTEN );
156 attr.c_cflag &= ~( CSIZE | PARENB );
159 cfsetispeed( &attr, B115200 );
160 cfsetospeed( &attr, B115200 );
162 if( tcsetattr( fileno( f ), TCSANOW, &attr ) ) {
163 throw "failed to get attrs";
167 std::shared_ptr<BIO> openSerial( const std::string& name ) {
168 FILE* f = fopen( name.c_str(), "r+" );
171 std::cout << "Opening serial device failed" << std::endl;
172 return std::shared_ptr<BIO>();
176 std::shared_ptr<BIO> b( BIO_new_fd( fileno( f ), 0 ), BIO_free );
180 CAConfig::CAConfig( const std::string& name ) : path( "ca/" + name ), name( name ) {
181 ca = loadX509FromFile( path + "/ca.crt" );
182 caKey = loadPkeyFromFile( path + "/ca.key" );
183 ASN1_TIME* tm = X509_get_notBefore( ca );
184 notBefore = std::shared_ptr<ASN1_TIME>( tm, ASN1_TIME_free );
187 std::string timeToString( std::shared_ptr<ASN1_TIME> time ) {
188 std::shared_ptr<ASN1_GENERALIZEDTIME> gtime( ASN1_TIME_to_generalizedtime( time.get(), 0 ) );
189 std::string strdate( ( char* ) ASN1_STRING_data( gtime.get() ), ASN1_STRING_length( gtime.get() ) );
191 if( strdate[strdate.size() - 1] != 'Z' ) {
192 throw "Got invalid date?";
195 return strdate.substr( 0, strdate.size() - 1 );
198 void extractTimes( std::shared_ptr<X509> target, std::shared_ptr<SignedCertificate> cert ) {
199 cert->before = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notBefore( target.get() ), ASN1_TIME_free ) );
200 cert->after = timeToString( std::shared_ptr<ASN1_TIME>( X509_get_notAfter( target.get() ), ASN1_TIME_free ) );
203 bool CAConfig::crlNeedsResign() {
204 std::shared_ptr<CRL> crl( new CRL( path + "/ca.crl" ) );
205 return crl->needsResign();