1 module requests.ssl_adapter; 2 3 import std.stdio; 4 import std.string; 5 import std.format; 6 import std.typecons; 7 import core.stdc.stdlib; 8 import core.sys.posix.dlfcn; 9 import std.experimental.logger; 10 11 version(Windows) { 12 import core.sys.windows.windows; 13 alias DLSYM = GetProcAddress; 14 } else { 15 alias DLSYM = dlsym; 16 } 17 18 /* 19 * /usr/include/openssl/tls1.h:# define TLS_ANY_VERSION 0x10000 20 */ 21 22 immutable int TLS_ANY_VERSION = 0x10000; 23 immutable int TLS1_VERSION = 0x0301; 24 immutable int TLS1_2_VERSION = 0x0303; 25 26 struct SSL {}; 27 struct SSL_CTX {}; 28 struct SSL_METHOD {}; 29 30 string SSL_Function_decl(string N, R, A...)() { 31 string F = "extern (C) %s function %s adapter_%s;".format(R.stringof, A.stringof, N); 32 return F; 33 } 34 string SSL_Function_set_i(string N, R, A...)() { 35 string F = "openssl.adapter_%s = cast(typeof(openssl.adapter_%s))DLSYM(cast(void*)openssl._libssl, \"%s\");".format(N, N, N); 36 return F; 37 } 38 string CRYPTO_Function_set_i(string N, R, A...)() { 39 string F = "openssl.adapter_%s = cast(typeof(openssl.adapter_%s))DLSYM(cast(void*)openssl._libcrypto, \"%s\");".format(N, N, N); 40 return F; 41 } 42 43 private alias Version = Tuple!(int, "major", int, "minor"); 44 45 immutable static OpenSSL openssl; 46 47 static this() { 48 if ( openssl._libssl !is null ) { 49 return; 50 } 51 version(OSX) { 52 openssl._libssl = cast(typeof(openssl._libssl))dlopen("libssl.dylib", RTLD_LAZY); 53 openssl._libcrypto = cast(typeof(openssl._libcrypto))dlopen("libcrypto.dylib", RTLD_LAZY); 54 } else 55 version(linux) { 56 immutable string[] libsslname = [ 57 "libssl.so", 58 "libssl.so.1.1", 59 "libssl.so.1.0.2", 60 "libssl.so.1.0.1", 61 "libssl.so.1.0.0" 62 ]; 63 foreach(lib; libsslname) { 64 openssl._libssl = cast(typeof(openssl._libssl))dlopen(lib.ptr, RTLD_LAZY); 65 if ( openssl._libssl !is null ) { 66 debug(requests) tracef("will use %s".format(lib)); 67 break; 68 } 69 } 70 immutable string[] libcryptoname = [ 71 "libcrypto.so", 72 "libcrypto.so.1.1", 73 "libcrypto.so.1.0.2", 74 "libcrypto.so.1.0.1", 75 "libcrypto.so.1.0.0" 76 ]; 77 foreach(lib; libcryptoname) { 78 openssl._libcrypto = cast(typeof(openssl._libcrypto))dlopen(lib.ptr, RTLD_LAZY); 79 if ( openssl._libcrypto !is null ) { 80 debug(requests) tracef("will use %s".format(lib)); 81 break; 82 } 83 } 84 } else 85 version(Windows) { 86 openssl._libssl = cast(typeof(openssl._libssl))LoadLibrary("libssl32.dll"); 87 openssl._libcrypto = cast(typeof(openssl._libcrypto))LoadLibrary("libeay32.dll"); 88 } else { 89 throw new Exception("loading openssl: unsupported system"); 90 } 91 if ( openssl._libssl is null ) { 92 error("warning: failed to load libssl - first access over https will fail"); 93 return; 94 } 95 if ( openssl._libcrypto is null ) { 96 error("warning: failed to load libcrypto - first access over https will fail"); 97 return; 98 } 99 openssl._ver = openssl.OpenSSL_version_detect(); 100 101 mixin(SSL_Function_set_i!("SSL_library_init", int)); 102 mixin(CRYPTO_Function_set_i!("OpenSSL_add_all_ciphers", void)); 103 mixin(CRYPTO_Function_set_i!("OpenSSL_add_all_digests", void)); 104 mixin(SSL_Function_set_i!("SSL_load_error_strings", void)); 105 106 mixin(SSL_Function_set_i!("OPENSSL_init_ssl", int, ulong, void*)); 107 mixin(CRYPTO_Function_set_i!("OPENSSL_init_crypto", int, ulong, void*)); 108 109 mixin(SSL_Function_set_i!("TLSv1_client_method", SSL_METHOD*)); 110 mixin(SSL_Function_set_i!("TLSv1_2_client_method", SSL_METHOD*)); 111 mixin(SSL_Function_set_i!("TLS_method", SSL_METHOD*)); 112 mixin(SSL_Function_set_i!("SSLv23_client_method", SSL_METHOD*)); 113 mixin(SSL_Function_set_i!("SSL_CTX_new", SSL_CTX*, SSL_METHOD*)); 114 mixin(SSL_Function_set_i!("SSL_CTX_set_default_verify_paths", int, SSL_CTX*)); 115 mixin(SSL_Function_set_i!("SSL_CTX_load_verify_locations", int, SSL_CTX*, char*, char*)); 116 mixin(SSL_Function_set_i!("SSL_CTX_set_verify", void, SSL_CTX*, int, void*)); 117 mixin(SSL_Function_set_i!("SSL_CTX_use_PrivateKey_file", int, SSL_CTX*, const char*, int)); 118 mixin(SSL_Function_set_i!("SSL_CTX_use_certificate_file", int, SSL_CTX*, const char*, int)); 119 mixin(SSL_Function_set_i!("SSL_CTX_set_cipher_list", int, SSL_CTX*, const char*)); 120 mixin(SSL_Function_set_i!("SSL_CTX_ctrl", long, SSL_CTX*, int, long, void*)); 121 mixin(SSL_Function_set_i!("SSL_new", SSL*, SSL_CTX*)); 122 mixin(SSL_Function_set_i!("SSL_set_fd", int, SSL*, int)); 123 mixin(SSL_Function_set_i!("SSL_connect", int, SSL*)); 124 mixin(SSL_Function_set_i!("SSL_write", int, SSL*, const void*, int)); 125 mixin(SSL_Function_set_i!("SSL_read", int, SSL*, void*, int)); 126 mixin(SSL_Function_set_i!("SSL_free", void, SSL*)); 127 mixin(SSL_Function_set_i!("SSL_CTX_free", void, SSL_CTX*)); 128 mixin(SSL_Function_set_i!("SSL_get_error", int, SSL*, int)); 129 mixin(SSL_Function_set_i!("SSL_ctrl", long, SSL*, int, long, void*)); 130 mixin(SSL_Function_set_i!("ERR_reason_error_string", char*, ulong)); 131 mixin(SSL_Function_set_i!("ERR_get_error", ulong)); 132 133 void delegate()[Version] init_matrix; 134 init_matrix[Version(1,0)] = &openssl.init1_0; 135 init_matrix[Version(1,1)] = &openssl.init1_1; 136 auto init = init_matrix.get(openssl._ver, null); 137 if ( init is null ) { 138 throw new Exception("loading openssl: unknown version for init"); 139 } 140 init(); 141 } 142 143 struct OpenSSL { 144 145 private { 146 Version _ver; 147 void* _libssl; 148 void* _libcrypto; 149 150 // openssl 1.0.x init functions 151 mixin(SSL_Function_decl!("SSL_library_init", int)); 152 mixin(SSL_Function_decl!("OpenSSL_add_all_ciphers", void)); 153 mixin(SSL_Function_decl!("OpenSSL_add_all_digests", void)); 154 mixin(SSL_Function_decl!("SSL_load_error_strings", void)); 155 156 // openssl 1.1.x init functions 157 mixin(SSL_Function_decl!("OPENSSL_init_ssl", int, ulong, void*)); 158 mixin(SSL_Function_decl!("OPENSSL_init_crypto", int, ulong, void*)); 159 160 // all other functions 161 mixin(SSL_Function_decl!("TLSv1_client_method", SSL_METHOD*)); 162 mixin(SSL_Function_decl!("TLSv1_2_client_method", SSL_METHOD*)); 163 mixin(SSL_Function_decl!("TLS_method", SSL_METHOD*)); 164 mixin(SSL_Function_decl!("SSLv23_client_method", SSL_METHOD*)); 165 mixin(SSL_Function_decl!("SSL_CTX_new", SSL_CTX*, SSL_METHOD*)); 166 mixin(SSL_Function_decl!("SSL_CTX_set_default_verify_paths", int, SSL_CTX*)); 167 mixin(SSL_Function_decl!("SSL_CTX_load_verify_locations", int, SSL_CTX*, char*, char*)); 168 mixin(SSL_Function_decl!("SSL_CTX_set_verify", void, SSL_CTX*, int, void*)); 169 mixin(SSL_Function_decl!("SSL_CTX_use_PrivateKey_file", int, SSL_CTX*, const char*, int)); 170 mixin(SSL_Function_decl!("SSL_CTX_use_certificate_file", int, SSL_CTX*, const char*, int)); 171 mixin(SSL_Function_decl!("SSL_CTX_set_cipher_list", int, SSL_CTX*, const char*)); 172 mixin(SSL_Function_decl!("SSL_CTX_ctrl", long, SSL_CTX*, int, long, void*)); 173 mixin(SSL_Function_decl!("SSL_new", SSL*, SSL_CTX*)); 174 mixin(SSL_Function_decl!("SSL_set_fd", int, SSL*, int)); 175 mixin(SSL_Function_decl!("SSL_connect", int, SSL*)); 176 mixin(SSL_Function_decl!("SSL_write", int, SSL*, const void*, int)); 177 mixin(SSL_Function_decl!("SSL_read", int, SSL*, void*, int)); 178 mixin(SSL_Function_decl!("SSL_free", void, SSL*)); 179 mixin(SSL_Function_decl!("SSL_CTX_free", void, SSL_CTX*)); 180 mixin(SSL_Function_decl!("SSL_get_error", int, SSL*, int)); 181 mixin(SSL_Function_decl!("SSL_ctrl", long, SSL*, int, long, void*)); 182 mixin(SSL_Function_decl!("ERR_reason_error_string", char*, ulong)); 183 mixin(SSL_Function_decl!("ERR_get_error", ulong)); 184 } 185 186 Version reportVersion() const @nogc nothrow pure { 187 return _ver; 188 }; 189 190 private Version OpenSSL_version_detect() const { 191 ulong function() OpenSSL_version_num = cast(ulong function())DLSYM(cast(void*)_libcrypto, "OpenSSL_version_num".ptr); 192 if ( OpenSSL_version_num ) { 193 auto v = OpenSSL_version_num() & 0xffffffff; 194 return Version((v>>>20) & 0xff, (v>>>28) & 0xff); 195 } 196 return Version(1, 0); 197 } 198 199 private void init1_0() const { 200 adapter_SSL_library_init(); 201 adapter_OpenSSL_add_all_ciphers(); 202 adapter_OpenSSL_add_all_digests(); 203 adapter_SSL_load_error_strings(); 204 } 205 private void init1_1() const { 206 /** 207 Standard initialisation options 208 209 #define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L 210 211 # define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L 212 # define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L 213 # define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L 214 **/ 215 enum OPENSSL_INIT_LOAD_SSL_STRINGS = 0x00200000L; 216 enum OPENSSL_INIT_LOAD_CRYPTO_STRINGS = 0x00000002L; 217 enum OPENSSL_INIT_ADD_ALL_CIPHERS = 0x00000004L; 218 enum OPENSSL_INIT_ADD_ALL_DIGESTS = 0x00000008L; 219 adapter_OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, null); 220 adapter_OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, null); 221 } 222 223 SSL_METHOD* TLSv1_client_method() const { 224 if ( adapter_TLSv1_client_method is null ) { 225 throw new Exception("openssl not initialized - is it installed?"); 226 } 227 return adapter_TLSv1_client_method(); 228 } 229 SSL_METHOD* TLSv1_2_client_method() const { 230 if ( adapter_TLSv1_2_client_method is null ) { 231 throw new Exception("openssl not initialized - is it installed?"); 232 } 233 return adapter_TLSv1_2_client_method(); 234 } 235 SSL_METHOD* SSLv23_client_method() const { 236 if ( adapter_SSLv23_client_method is null ) { 237 throw new Exception("can't complete call to SSLv23_client_method"); 238 } 239 return adapter_SSLv23_client_method(); 240 } 241 SSL_METHOD* TLS_method() const { 242 if ( adapter_TLS_method !is null ) { 243 return adapter_TLS_method(); 244 } 245 if ( adapter_SSLv23_client_method !is null ) { 246 return adapter_SSLv23_client_method(); 247 } 248 throw new Exception("can't complete call to TLS_method"); 249 } 250 SSL_CTX* SSL_CTX_new(SSL_METHOD* method) const { 251 if ( adapter_SSL_CTX_new is null ) { 252 throw new Exception("openssl not initialized - is it installed?"); 253 } 254 return adapter_SSL_CTX_new(method); 255 } 256 int SSL_CTX_set_default_verify_paths(SSL_CTX* ctx) const { 257 return adapter_SSL_CTX_set_default_verify_paths(ctx); 258 } 259 int SSL_CTX_load_verify_locations(SSL_CTX* ctx, char* CAFile, char* CAPath) const { 260 return adapter_SSL_CTX_load_verify_locations(ctx, CAFile, CAPath); 261 } 262 void SSL_CTX_set_verify(SSL_CTX* ctx, int mode, void* callback) const { 263 adapter_SSL_CTX_set_verify(ctx, mode, callback); 264 } 265 int SSL_CTX_use_PrivateKey_file(SSL_CTX* ctx, const char* file, int type) const { 266 return adapter_SSL_CTX_use_PrivateKey_file(ctx, file, type); 267 } 268 int SSL_CTX_use_certificate_file(SSL_CTX* ctx, const char* file, int type) const { 269 return adapter_SSL_CTX_use_certificate_file(ctx, file, type); 270 } 271 int SSL_CTX_set_cipher_list(SSL_CTX* ssl_ctx, const char* c) const { 272 return adapter_SSL_CTX_set_cipher_list(ssl_ctx, c); 273 } 274 /* 275 * 276 * # define SSL_CTRL_SET_MIN_PROTO_VERSION 123 277 * # define SSL_CTRL_SET_MAX_PROTO_VERSION 124 278 */ 279 enum int SSL_CTRL_SET_MIN_PROTO_VERSION = 123; 280 enum int SSL_CTRL_SET_MAX_PROTO_VERSION = 124; 281 int SSL_CTX_set_min_proto_version(SSL_CTX* ctx, int v) const { 282 int r = cast(int)adapter_SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, cast(long)v, null); 283 return r; 284 } 285 int SSL_CTX_set_max_proto_version(SSL_CTX* ctx, int v) const { 286 int r = cast(int)adapter_SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, cast(long)v, null); 287 return r; 288 } 289 SSL* SSL_new(SSL_CTX* ctx) const { 290 return adapter_SSL_new(ctx); 291 } 292 int SSL_set_fd(SSL* ssl, int fd) const { 293 return adapter_SSL_set_fd(ssl, fd); 294 } 295 int SSL_connect(SSL* ssl) const { 296 return adapter_SSL_connect(ssl); 297 } 298 int SSL_read(SSL* ssl, void *b, int n) const { 299 return adapter_SSL_read(ssl, b, n); 300 } 301 int SSL_write(SSL* ssl, const void *b, int n) const { 302 return adapter_SSL_write(ssl, b, n); 303 } 304 void SSL_free(SSL* ssl) const { 305 adapter_SSL_free(ssl); 306 } 307 void SSL_CTX_free(SSL_CTX* ctx) const { 308 adapter_SSL_CTX_free(ctx); 309 } 310 int SSL_get_error(SSL* ssl, int err) const { 311 return adapter_SSL_get_error(ssl, err); 312 } 313 long SSL_set_tlsext_host_name(SSL* ssl, const char* host) const { 314 enum int SSL_CTRL_SET_TLSEXT_HOSTNAME = 55; 315 enum long TLSEXT_NAMETYPE_host_name = 0; 316 return adapter_SSL_ctrl(ssl, SSL_CTRL_SET_TLSEXT_HOSTNAME,TLSEXT_NAMETYPE_host_name, cast(void*)host); 317 } 318 char* ERR_reason_error_string(ulong code) const { 319 return adapter_ERR_reason_error_string(code); 320 } 321 ulong ERR_get_error() const { 322 return adapter_ERR_get_error(); 323 } 324 } 325 /* 326 int main() { 327 import std.socket; 328 329 auto v = openssl.reportVersion(); 330 writefln("openSSL v.%s.%s", v.major, v.minor); 331 openssl.SSL_library_init(); 332 writeln("InitSSL - ok"); 333 SSL_CTX* ctx = openssl.SSL_CTX_new(openssl.TLSv1_client_method()); 334 writefln("SSL_CTX_new = %x", ctx); 335 int r = openssl.adapter_SSL_CTX_set_default_verify_paths(ctx); 336 writefln("SSL_CTX_set_default_verify_paths = %d(%s)", r, r==1?"ok":"fail"); 337 r = openssl.adapter_SSL_CTX_load_verify_locations(ctx, cast(char*)null, cast(char*)null); 338 writefln("SSL_CTX_load_verify_locations - ok"); 339 openssl.SSL_CTX_set_verify(ctx, 0, null); 340 writefln("SSL_CTX_set_verify - ok"); 341 //r = openssl.SSL_CTX_use_PrivateKey_file(ctx, null, 0); 342 //writefln("SSL_CTX_use_PrivateKey_file = %d(%s)", r, r==1?"ok":"fail"); 343 //r = openssl.SSL_CTX_use_certificate_file(ctx, cast(char*), 0); 344 //writefln("SSL_CTX_use_certificate_file = %d(%s)", r, r==1?"ok":"fail"); 345 SSL* ssl = openssl.SSL_new(ctx); 346 writefln("SSL_new = %x", ssl); 347 auto s = new Socket(AddressFamily.INET, SocketType.STREAM, ProtocolType.TCP); 348 Address[] a = getAddress("ns.od.ua", 443); 349 writeln(a[0]); 350 s.connect(a[0]); 351 r = openssl.SSL_set_fd(ssl, s.handle); 352 writefln("SSL_set_fd = %d(%s)", r, r==1?"ok":"fail"); 353 r = openssl.SSL_connect(ssl); 354 writefln("SSL_connect = %d(%s)", r, r==1?"ok":"fail"); 355 if ( r < 0 ) { 356 writefln("code: %d", openssl.SSL_get_error(ssl, r)); 357 } 358 string req = "GET / HTTP/1.0\n\n"; 359 r = openssl.SSL_write(ssl, cast(void*)req.ptr, cast(int)req.length); 360 writefln("SSL_write = %d", r); 361 do { 362 ubyte[] resp = new ubyte[](1024); 363 r = openssl.SSL_read(ssl, cast(void*)resp.ptr, cast(int)1024); 364 writefln("SSL_read = %d", r); 365 if ( r > 0 ) { 366 writeln(cast(string)resp); 367 } 368 } while(r > 0); 369 openssl.SSL_free(ssl); 370 openssl.SSL_CTX_free(ctx); 371 s.close(); 372 return 0; 373 } 374 */