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 // 31 // N - function name, R - return type, A - args 32 // 33 string SSL_Function_decl(string N, R, A...)() { 34 string F = "extern (C) @nogc nothrow %s function %s adapter_%s;".format(R.stringof, A.stringof, N); 35 return F; 36 } 37 string SSL_Function_set_i(string N, R, A...)() { 38 string F = "openssl.adapter_%s = cast(typeof(openssl.adapter_%s))DLSYM(cast(void*)openssl._libssl, \"%s\");".format(N, N, N); 39 return F; 40 } 41 string CRYPTO_Function_set_i(string N, R, A...)() { 42 string F = "openssl.adapter_%s = cast(typeof(openssl.adapter_%s))DLSYM(cast(void*)openssl._libcrypto, \"%s\");".format(N, N, N); 43 return F; 44 } 45 46 private alias Version = Tuple!(int, "major", int, "minor"); 47 48 immutable static OpenSSL openssl; 49 50 static this() { 51 if ( openssl._libssl !is null ) { 52 return; 53 } 54 version(OSX) { 55 openssl._libssl = cast(typeof(openssl._libssl))dlopen("libssl.dylib", RTLD_LAZY); 56 openssl._libcrypto = cast(typeof(openssl._libcrypto))dlopen("libcrypto.dylib", RTLD_LAZY); 57 } else 58 version(linux) { 59 immutable string[] libsslname = [ 60 "libssl.so", 61 "libssl.so.1.1", 62 "libssl.so.1.0.2", 63 "libssl.so.1.0.1", 64 "libssl.so.1.0.0" 65 ]; 66 foreach(lib; libsslname) { 67 openssl._libssl = cast(typeof(openssl._libssl))dlopen(lib.ptr, RTLD_LAZY); 68 if ( openssl._libssl !is null ) { 69 debug(requests) tracef("will use %s".format(lib)); 70 break; 71 } 72 } 73 immutable string[] libcryptoname = [ 74 "libcrypto.so", 75 "libcrypto.so.1.1", 76 "libcrypto.so.1.0.2", 77 "libcrypto.so.1.0.1", 78 "libcrypto.so.1.0.0" 79 ]; 80 foreach(lib; libcryptoname) { 81 openssl._libcrypto = cast(typeof(openssl._libcrypto))dlopen(lib.ptr, RTLD_LAZY); 82 if ( openssl._libcrypto !is null ) { 83 debug(requests) tracef("will use %s".format(lib)); 84 break; 85 } 86 } 87 } else 88 version(Windows) { 89 openssl._libssl = cast(typeof(openssl._libssl))LoadLibrary("libssl32.dll"); 90 openssl._libcrypto = cast(typeof(openssl._libcrypto))LoadLibrary("libeay32.dll"); 91 } else { 92 throw new Exception("loading openssl: unsupported system"); 93 } 94 if ( openssl._libssl is null ) { 95 error("warning: failed to load libssl - first access over https will fail"); 96 return; 97 } 98 if ( openssl._libcrypto is null ) { 99 error("warning: failed to load libcrypto - first access over https will fail"); 100 return; 101 } 102 openssl._ver = openssl.OpenSSL_version_detect(); 103 104 mixin(SSL_Function_set_i!("SSL_library_init", int)); 105 mixin(CRYPTO_Function_set_i!("OpenSSL_add_all_ciphers", void)); 106 mixin(CRYPTO_Function_set_i!("OpenSSL_add_all_digests", void)); 107 mixin(SSL_Function_set_i!("SSL_load_error_strings", void)); 108 109 mixin(SSL_Function_set_i!("OPENSSL_init_ssl", int, ulong, void*)); 110 mixin(CRYPTO_Function_set_i!("OPENSSL_init_crypto", int, ulong, void*)); 111 112 mixin(SSL_Function_set_i!("TLSv1_client_method", SSL_METHOD*)); 113 mixin(SSL_Function_set_i!("TLSv1_2_client_method", SSL_METHOD*)); 114 mixin(SSL_Function_set_i!("TLS_method", SSL_METHOD*)); 115 mixin(SSL_Function_set_i!("SSLv23_client_method", SSL_METHOD*)); 116 mixin(SSL_Function_set_i!("SSL_CTX_new", SSL_CTX*, SSL_METHOD*)); 117 mixin(SSL_Function_set_i!("SSL_CTX_set_default_verify_paths", int, SSL_CTX*)); 118 mixin(SSL_Function_set_i!("SSL_CTX_load_verify_locations", int, SSL_CTX*, char*, char*)); 119 mixin(SSL_Function_set_i!("SSL_CTX_set_verify", void, SSL_CTX*, int, void*)); 120 mixin(SSL_Function_set_i!("SSL_CTX_use_PrivateKey_file", int, SSL_CTX*, const char*, int)); 121 mixin(SSL_Function_set_i!("SSL_CTX_use_certificate_file", int, SSL_CTX*, const char*, int)); 122 mixin(SSL_Function_set_i!("SSL_CTX_set_cipher_list", int, SSL_CTX*, const char*)); 123 mixin(SSL_Function_set_i!("SSL_CTX_ctrl", long, SSL_CTX*, int, long, void*)); 124 mixin(SSL_Function_set_i!("SSL_new", SSL*, SSL_CTX*)); 125 mixin(SSL_Function_set_i!("SSL_set_fd", int, SSL*, int)); 126 mixin(SSL_Function_set_i!("SSL_connect", int, SSL*)); 127 mixin(SSL_Function_set_i!("SSL_write", int, SSL*, const void*, int)); 128 mixin(SSL_Function_set_i!("SSL_read", int, SSL*, void*, int)); 129 mixin(SSL_Function_set_i!("SSL_free", void, SSL*)); 130 mixin(SSL_Function_set_i!("SSL_CTX_free", void, SSL_CTX*)); 131 mixin(SSL_Function_set_i!("SSL_get_error", int, SSL*, int)); 132 mixin(SSL_Function_set_i!("SSL_ctrl", long, SSL*, int, long, void*)); 133 mixin(CRYPTO_Function_set_i!("ERR_reason_error_string", char*, ulong)); 134 mixin(CRYPTO_Function_set_i!("ERR_get_error", ulong)); 135 136 void delegate()[Version] init_matrix; 137 init_matrix[Version(1,0)] = &openssl.init1_0; 138 init_matrix[Version(1,1)] = &openssl.init1_1; 139 auto init = init_matrix.get(openssl._ver, null); 140 if ( init is null ) { 141 throw new Exception("loading openssl: unknown version for init"); 142 } 143 init(); 144 } 145 146 struct OpenSSL { 147 148 private { 149 Version _ver; 150 void* _libssl; 151 void* _libcrypto; 152 153 // openssl 1.0.x init functions 154 mixin(SSL_Function_decl!("SSL_library_init", int)); 155 mixin(SSL_Function_decl!("OpenSSL_add_all_ciphers", void)); 156 mixin(SSL_Function_decl!("OpenSSL_add_all_digests", void)); 157 mixin(SSL_Function_decl!("SSL_load_error_strings", void)); 158 159 // openssl 1.1.x init functions 160 mixin(SSL_Function_decl!("OPENSSL_init_ssl", int, ulong, void*)); 161 mixin(SSL_Function_decl!("OPENSSL_init_crypto", int, ulong, void*)); 162 163 // all other functions 164 mixin(SSL_Function_decl!("TLSv1_client_method", SSL_METHOD*)); 165 mixin(SSL_Function_decl!("TLSv1_2_client_method", SSL_METHOD*)); 166 mixin(SSL_Function_decl!("TLS_method", SSL_METHOD*)); 167 mixin(SSL_Function_decl!("SSLv23_client_method", SSL_METHOD*)); 168 mixin(SSL_Function_decl!("SSL_CTX_new", SSL_CTX*, SSL_METHOD*)); 169 mixin(SSL_Function_decl!("SSL_CTX_set_default_verify_paths", int, SSL_CTX*)); 170 mixin(SSL_Function_decl!("SSL_CTX_load_verify_locations", int, SSL_CTX*, char*, char*)); 171 mixin(SSL_Function_decl!("SSL_CTX_set_verify", void, SSL_CTX*, int, void*)); 172 mixin(SSL_Function_decl!("SSL_CTX_use_PrivateKey_file", int, SSL_CTX*, const char*, int)); 173 mixin(SSL_Function_decl!("SSL_CTX_use_certificate_file", int, SSL_CTX*, const char*, int)); 174 mixin(SSL_Function_decl!("SSL_CTX_set_cipher_list", int, SSL_CTX*, const char*)); 175 mixin(SSL_Function_decl!("SSL_CTX_ctrl", long, SSL_CTX*, int, long, void*)); 176 mixin(SSL_Function_decl!("SSL_new", SSL*, SSL_CTX*)); 177 mixin(SSL_Function_decl!("SSL_set_fd", int, SSL*, int)); 178 mixin(SSL_Function_decl!("SSL_connect", int, SSL*)); 179 mixin(SSL_Function_decl!("SSL_write", int, SSL*, const void*, int)); 180 mixin(SSL_Function_decl!("SSL_read", int, SSL*, void*, int)); 181 mixin(SSL_Function_decl!("SSL_free", void, SSL*)); 182 mixin(SSL_Function_decl!("SSL_CTX_free", void, SSL_CTX*)); 183 mixin(SSL_Function_decl!("SSL_get_error", int, SSL*, int)); 184 mixin(SSL_Function_decl!("SSL_ctrl", long, SSL*, int, long, void*)); 185 mixin(SSL_Function_decl!("ERR_reason_error_string", char*, ulong)); 186 mixin(SSL_Function_decl!("ERR_get_error", ulong)); 187 } 188 189 Version reportVersion() const @nogc nothrow pure { 190 return _ver; 191 }; 192 193 private Version OpenSSL_version_detect() const { 194 ulong function() OpenSSL_version_num = cast(ulong function())DLSYM(cast(void*)_libcrypto, "OpenSSL_version_num".ptr); 195 if ( OpenSSL_version_num ) { 196 auto v = OpenSSL_version_num() & 0xffffffff; 197 return Version((v>>>20) & 0xff, (v>>>28) & 0xff); 198 } 199 return Version(1, 0); 200 } 201 202 private void init1_0() const { 203 adapter_SSL_library_init(); 204 adapter_OpenSSL_add_all_ciphers(); 205 adapter_OpenSSL_add_all_digests(); 206 adapter_SSL_load_error_strings(); 207 } 208 private void init1_1() const { 209 /** 210 Standard initialisation options 211 212 #define OPENSSL_INIT_LOAD_SSL_STRINGS 0x00200000L 213 214 # define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L 215 # define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L 216 # define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L 217 **/ 218 enum OPENSSL_INIT_LOAD_SSL_STRINGS = 0x00200000L; 219 enum OPENSSL_INIT_LOAD_CRYPTO_STRINGS = 0x00000002L; 220 enum OPENSSL_INIT_ADD_ALL_CIPHERS = 0x00000004L; 221 enum OPENSSL_INIT_ADD_ALL_DIGESTS = 0x00000008L; 222 adapter_OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, null); 223 adapter_OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, null); 224 } 225 226 SSL_METHOD* TLSv1_client_method() const { 227 if ( adapter_TLSv1_client_method is null ) { 228 throw new Exception("openssl not initialized - is it installed?"); 229 } 230 return adapter_TLSv1_client_method(); 231 } 232 SSL_METHOD* TLSv1_2_client_method() const { 233 if ( adapter_TLSv1_2_client_method is null ) { 234 throw new Exception("openssl not initialized - is it installed?"); 235 } 236 return adapter_TLSv1_2_client_method(); 237 } 238 SSL_METHOD* SSLv23_client_method() const { 239 if ( adapter_SSLv23_client_method is null ) { 240 throw new Exception("can't complete call to SSLv23_client_method"); 241 } 242 return adapter_SSLv23_client_method(); 243 } 244 SSL_METHOD* TLS_method() const { 245 if ( adapter_TLS_method !is null ) { 246 return adapter_TLS_method(); 247 } 248 if ( adapter_SSLv23_client_method !is null ) { 249 return adapter_SSLv23_client_method(); 250 } 251 throw new Exception("can't complete call to TLS_method"); 252 } 253 SSL_CTX* SSL_CTX_new(SSL_METHOD* method) const { 254 if ( adapter_SSL_CTX_new is null ) { 255 throw new Exception("openssl not initialized - is it installed?"); 256 } 257 return adapter_SSL_CTX_new(method); 258 } 259 int SSL_CTX_set_default_verify_paths(SSL_CTX* ctx) const @nogc nothrow { 260 return adapter_SSL_CTX_set_default_verify_paths(ctx); 261 } 262 int SSL_CTX_load_verify_locations(SSL_CTX* ctx, char* CAFile, char* CAPath) const @nogc nothrow { 263 return adapter_SSL_CTX_load_verify_locations(ctx, CAFile, CAPath); 264 } 265 void SSL_CTX_set_verify(SSL_CTX* ctx, int mode, void* callback) const @nogc nothrow { 266 adapter_SSL_CTX_set_verify(ctx, mode, callback); 267 } 268 int SSL_CTX_use_PrivateKey_file(SSL_CTX* ctx, const char* file, int type) const @nogc nothrow { 269 return adapter_SSL_CTX_use_PrivateKey_file(ctx, file, type); 270 } 271 int SSL_CTX_use_certificate_file(SSL_CTX* ctx, const char* file, int type) const @nogc nothrow { 272 return adapter_SSL_CTX_use_certificate_file(ctx, file, type); 273 } 274 int SSL_CTX_set_cipher_list(SSL_CTX* ssl_ctx, const char* c) const @nogc nothrow { 275 return adapter_SSL_CTX_set_cipher_list(ssl_ctx, c); 276 } 277 /* 278 * 279 * # define SSL_CTRL_SET_MIN_PROTO_VERSION 123 280 * # define SSL_CTRL_SET_MAX_PROTO_VERSION 124 281 */ 282 enum int SSL_CTRL_SET_MIN_PROTO_VERSION = 123; 283 enum int SSL_CTRL_SET_MAX_PROTO_VERSION = 124; 284 int SSL_CTX_set_min_proto_version(SSL_CTX* ctx, int v) const @nogc nothrow { 285 int r = cast(int)adapter_SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MIN_PROTO_VERSION, cast(long)v, null); 286 return r; 287 } 288 int SSL_CTX_set_max_proto_version(SSL_CTX* ctx, int v) const @nogc nothrow { 289 int r = cast(int)adapter_SSL_CTX_ctrl(ctx, SSL_CTRL_SET_MAX_PROTO_VERSION, cast(long)v, null); 290 return r; 291 } 292 SSL* SSL_new(SSL_CTX* ctx) const @nogc nothrow { 293 return adapter_SSL_new(ctx); 294 } 295 int SSL_set_fd(SSL* ssl, int fd) const @nogc nothrow { 296 return adapter_SSL_set_fd(ssl, fd); 297 } 298 int SSL_connect(SSL* ssl) const @nogc nothrow { 299 return adapter_SSL_connect(ssl); 300 } 301 int SSL_read(SSL* ssl, void *b, int n) const @nogc nothrow { 302 return adapter_SSL_read(ssl, b, n); 303 } 304 int SSL_write(SSL* ssl, const void *b, int n) const @nogc nothrow { 305 return adapter_SSL_write(ssl, b, n); 306 } 307 void SSL_free(SSL* ssl) const @nogc nothrow @trusted { 308 adapter_SSL_free(ssl); 309 } 310 void SSL_CTX_free(SSL_CTX* ctx) const @nogc nothrow @trusted { 311 adapter_SSL_CTX_free(ctx); 312 } 313 int SSL_get_error(SSL* ssl, int err) const @nogc nothrow { 314 return adapter_SSL_get_error(ssl, err); 315 } 316 long SSL_set_tlsext_host_name(SSL* ssl, const char* host) const @nogc nothrow { 317 enum int SSL_CTRL_SET_TLSEXT_HOSTNAME = 55; 318 enum long TLSEXT_NAMETYPE_host_name = 0; 319 return adapter_SSL_ctrl(ssl, SSL_CTRL_SET_TLSEXT_HOSTNAME,TLSEXT_NAMETYPE_host_name, cast(void*)host); 320 } 321 char* ERR_reason_error_string(ulong code) const @nogc nothrow { 322 return adapter_ERR_reason_error_string(code); 323 } 324 ulong ERR_get_error() const @nogc nothrow { 325 return adapter_ERR_get_error(); 326 } 327 } 328 /* 329 int main() { 330 import std.socket; 331 332 auto v = openssl.reportVersion(); 333 writefln("openSSL v.%s.%s", v.major, v.minor); 334 openssl.SSL_library_init(); 335 writeln("InitSSL - ok"); 336 SSL_CTX* ctx = openssl.SSL_CTX_new(openssl.TLSv1_client_method()); 337 writefln("SSL_CTX_new = %x", ctx); 338 int r = openssl.adapter_SSL_CTX_set_default_verify_paths(ctx); 339 writefln("SSL_CTX_set_default_verify_paths = %d(%s)", r, r==1?"ok":"fail"); 340 r = openssl.adapter_SSL_CTX_load_verify_locations(ctx, cast(char*)null, cast(char*)null); 341 writefln("SSL_CTX_load_verify_locations - ok"); 342 openssl.SSL_CTX_set_verify(ctx, 0, null); 343 writefln("SSL_CTX_set_verify - ok"); 344 //r = openssl.SSL_CTX_use_PrivateKey_file(ctx, null, 0); 345 //writefln("SSL_CTX_use_PrivateKey_file = %d(%s)", r, r==1?"ok":"fail"); 346 //r = openssl.SSL_CTX_use_certificate_file(ctx, cast(char*), 0); 347 //writefln("SSL_CTX_use_certificate_file = %d(%s)", r, r==1?"ok":"fail"); 348 SSL* ssl = openssl.SSL_new(ctx); 349 writefln("SSL_new = %x", ssl); 350 auto s = new Socket(AddressFamily.INET, SocketType.STREAM, ProtocolType.TCP); 351 Address[] a = getAddress("ns.od.ua", 443); 352 writeln(a[0]); 353 s.connect(a[0]); 354 r = openssl.SSL_set_fd(ssl, s.handle); 355 writefln("SSL_set_fd = %d(%s)", r, r==1?"ok":"fail"); 356 r = openssl.SSL_connect(ssl); 357 writefln("SSL_connect = %d(%s)", r, r==1?"ok":"fail"); 358 if ( r < 0 ) { 359 writefln("code: %d", openssl.SSL_get_error(ssl, r)); 360 } 361 string req = "GET / HTTP/1.0\n\n"; 362 r = openssl.SSL_write(ssl, cast(void*)req.ptr, cast(int)req.length); 363 writefln("SSL_write = %d", r); 364 do { 365 ubyte[] resp = new ubyte[](1024); 366 r = openssl.SSL_read(ssl, cast(void*)resp.ptr, cast(int)1024); 367 writefln("SSL_read = %d", r); 368 if ( r > 0 ) { 369 writeln(cast(string)resp); 370 } 371 } while(r > 0); 372 openssl.SSL_free(ssl); 373 openssl.SSL_CTX_free(ctx); 374 s.close(); 375 return 0; 376 } 377 */