1/* 2 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright 2005 Nokia. All rights reserved. 4 * 5 * Licensed under the Apache License 2.0 (the "License"). You may not use 6 * this file except in compliance with the License. You can obtain a copy 7 * in the file LICENSE in the source distribution or at 8 * https://www.openssl.org/source/license.html 9 */ 10 11#include "e_os.h" 12#include <ctype.h> 13#include <stdio.h> 14#include <stdlib.h> 15#include <string.h> 16#include <errno.h> 17#include <openssl/e_os2.h> 18 19#ifndef OPENSSL_NO_SOCK 20 21/* 22 * With IPv6, it looks like Digital has mixed up the proper order of 23 * recursive header file inclusion, resulting in the compiler complaining 24 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 25 * needed to have fileno() declared correctly... So let's define u_int 26 */ 27#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 28# define __U_INT 29typedef unsigned int u_int; 30#endif 31 32#include "apps.h" 33#include "progs.h" 34#include <openssl/x509.h> 35#include <openssl/ssl.h> 36#include <openssl/err.h> 37#include <openssl/pem.h> 38#include <openssl/rand.h> 39#include <openssl/ocsp.h> 40#include <openssl/bn.h> 41#include <openssl/trace.h> 42#include <openssl/async.h> 43#ifndef OPENSSL_NO_CT 44# include <openssl/ct.h> 45#endif 46#include "s_apps.h" 47#include "timeouts.h" 48#include "internal/sockets.h" 49 50#if defined(__has_feature) 51# if __has_feature(memory_sanitizer) 52# include <sanitizer/msan_interface.h> 53# endif 54#endif 55 56#undef BUFSIZZ 57#define BUFSIZZ 1024*8 58#define S_CLIENT_IRC_READ_TIMEOUT 8 59 60static char *prog; 61static int c_debug = 0; 62static int c_showcerts = 0; 63static char *keymatexportlabel = NULL; 64static int keymatexportlen = 20; 65static BIO *bio_c_out = NULL; 66static int c_quiet = 0; 67static char *sess_out = NULL; 68static SSL_SESSION *psksess = NULL; 69 70static void print_stuff(BIO *berr, SSL *con, int full); 71#ifndef OPENSSL_NO_OCSP 72static int ocsp_resp_cb(SSL *s, void *arg); 73#endif 74static int ldap_ExtendedResponse_parse(const char *buf, long rem); 75static int is_dNS_name(const char *host); 76 77static int saved_errno; 78 79static void save_errno(void) 80{ 81 saved_errno = errno; 82 errno = 0; 83} 84 85static int restore_errno(void) 86{ 87 int ret = errno; 88 errno = saved_errno; 89 return ret; 90} 91 92/* Default PSK identity and key */ 93static char *psk_identity = "Client_identity"; 94 95#ifndef OPENSSL_NO_PSK 96static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 97 unsigned int max_identity_len, 98 unsigned char *psk, 99 unsigned int max_psk_len) 100{ 101 int ret; 102 long key_len; 103 unsigned char *key; 104 105 if (c_debug) 106 BIO_printf(bio_c_out, "psk_client_cb\n"); 107 if (!hint) { 108 /* no ServerKeyExchange message */ 109 if (c_debug) 110 BIO_printf(bio_c_out, 111 "NULL received PSK identity hint, continuing anyway\n"); 112 } else if (c_debug) { 113 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 114 } 115 116 /* 117 * lookup PSK identity and PSK key based on the given identity hint here 118 */ 119 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 120 if (ret < 0 || (unsigned int)ret > max_identity_len) 121 goto out_err; 122 if (c_debug) 123 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, 124 ret); 125 126 /* convert the PSK key to binary */ 127 key = OPENSSL_hexstr2buf(psk_key, &key_len); 128 if (key == NULL) { 129 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 130 psk_key); 131 return 0; 132 } 133 if (max_psk_len > INT_MAX || key_len > (long)max_psk_len) { 134 BIO_printf(bio_err, 135 "psk buffer of callback is too small (%d) for key (%ld)\n", 136 max_psk_len, key_len); 137 OPENSSL_free(key); 138 return 0; 139 } 140 141 memcpy(psk, key, key_len); 142 OPENSSL_free(key); 143 144 if (c_debug) 145 BIO_printf(bio_c_out, "created PSK len=%ld\n", key_len); 146 147 return key_len; 148 out_err: 149 if (c_debug) 150 BIO_printf(bio_err, "Error in PSK client callback\n"); 151 return 0; 152} 153#endif 154 155const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 }; 156const unsigned char tls13_aes256gcmsha384_id[] = { 0x13, 0x02 }; 157 158static int psk_use_session_cb(SSL *s, const EVP_MD *md, 159 const unsigned char **id, size_t *idlen, 160 SSL_SESSION **sess) 161{ 162 SSL_SESSION *usesess = NULL; 163 const SSL_CIPHER *cipher = NULL; 164 165 if (psksess != NULL) { 166 SSL_SESSION_up_ref(psksess); 167 usesess = psksess; 168 } else { 169 long key_len; 170 unsigned char *key = OPENSSL_hexstr2buf(psk_key, &key_len); 171 172 if (key == NULL) { 173 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 174 psk_key); 175 return 0; 176 } 177 178 /* We default to SHA-256 */ 179 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id); 180 if (cipher == NULL) { 181 BIO_printf(bio_err, "Error finding suitable ciphersuite\n"); 182 OPENSSL_free(key); 183 return 0; 184 } 185 186 usesess = SSL_SESSION_new(); 187 if (usesess == NULL 188 || !SSL_SESSION_set1_master_key(usesess, key, key_len) 189 || !SSL_SESSION_set_cipher(usesess, cipher) 190 || !SSL_SESSION_set_protocol_version(usesess, TLS1_3_VERSION)) { 191 OPENSSL_free(key); 192 goto err; 193 } 194 OPENSSL_free(key); 195 } 196 197 cipher = SSL_SESSION_get0_cipher(usesess); 198 if (cipher == NULL) 199 goto err; 200 201 if (md != NULL && SSL_CIPHER_get_handshake_digest(cipher) != md) { 202 /* PSK not usable, ignore it */ 203 *id = NULL; 204 *idlen = 0; 205 *sess = NULL; 206 SSL_SESSION_free(usesess); 207 } else { 208 *sess = usesess; 209 *id = (unsigned char *)psk_identity; 210 *idlen = strlen(psk_identity); 211 } 212 213 return 1; 214 215 err: 216 SSL_SESSION_free(usesess); 217 return 0; 218} 219 220/* This is a context that we pass to callbacks */ 221typedef struct tlsextctx_st { 222 BIO *biodebug; 223 int ack; 224} tlsextctx; 225 226static int ssl_servername_cb(SSL *s, int *ad, void *arg) 227{ 228 tlsextctx *p = (tlsextctx *) arg; 229 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 230 if (SSL_get_servername_type(s) != -1) 231 p->ack = !SSL_session_reused(s) && hn != NULL; 232 else 233 BIO_printf(bio_err, "Can't use SSL_get_servername\n"); 234 235 return SSL_TLSEXT_ERR_OK; 236} 237 238#ifndef OPENSSL_NO_NEXTPROTONEG 239/* This the context that we pass to next_proto_cb */ 240typedef struct tlsextnextprotoctx_st { 241 unsigned char *data; 242 size_t len; 243 int status; 244} tlsextnextprotoctx; 245 246static tlsextnextprotoctx next_proto; 247 248static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, 249 const unsigned char *in, unsigned int inlen, 250 void *arg) 251{ 252 tlsextnextprotoctx *ctx = arg; 253 254 if (!c_quiet) { 255 /* We can assume that |in| is syntactically valid. */ 256 unsigned i; 257 BIO_printf(bio_c_out, "Protocols advertised by server: "); 258 for (i = 0; i < inlen;) { 259 if (i) 260 BIO_write(bio_c_out, ", ", 2); 261 BIO_write(bio_c_out, &in[i + 1], in[i]); 262 i += in[i] + 1; 263 } 264 BIO_write(bio_c_out, "\n", 1); 265 } 266 267 ctx->status = 268 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 269 return SSL_TLSEXT_ERR_OK; 270} 271#endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 272 273static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type, 274 const unsigned char *in, size_t inlen, 275 int *al, void *arg) 276{ 277 char pem_name[100]; 278 unsigned char ext_buf[4 + 65536]; 279 280 /* Reconstruct the type/len fields prior to extension data */ 281 inlen &= 0xffff; /* for formal memcmpy correctness */ 282 ext_buf[0] = (unsigned char)(ext_type >> 8); 283 ext_buf[1] = (unsigned char)(ext_type); 284 ext_buf[2] = (unsigned char)(inlen >> 8); 285 ext_buf[3] = (unsigned char)(inlen); 286 memcpy(ext_buf + 4, in, inlen); 287 288 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d", 289 ext_type); 290 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen); 291 return 1; 292} 293 294/* 295 * Hex decoder that tolerates optional whitespace. Returns number of bytes 296 * produced, advances inptr to end of input string. 297 */ 298static ossl_ssize_t hexdecode(const char **inptr, void *result) 299{ 300 unsigned char **out = (unsigned char **)result; 301 const char *in = *inptr; 302 unsigned char *ret = app_malloc(strlen(in) / 2, "hexdecode"); 303 unsigned char *cp = ret; 304 uint8_t byte; 305 int nibble = 0; 306 307 if (ret == NULL) 308 return -1; 309 310 for (byte = 0; *in; ++in) { 311 int x; 312 313 if (isspace(_UC(*in))) 314 continue; 315 x = OPENSSL_hexchar2int(*in); 316 if (x < 0) { 317 OPENSSL_free(ret); 318 return 0; 319 } 320 byte |= (char)x; 321 if ((nibble ^= 1) == 0) { 322 *cp++ = byte; 323 byte = 0; 324 } else { 325 byte <<= 4; 326 } 327 } 328 if (nibble != 0) { 329 OPENSSL_free(ret); 330 return 0; 331 } 332 *inptr = in; 333 334 return cp - (*out = ret); 335} 336 337/* 338 * Decode unsigned 0..255, returns 1 on success, <= 0 on failure. Advances 339 * inptr to next field skipping leading whitespace. 340 */ 341static ossl_ssize_t checked_uint8(const char **inptr, void *out) 342{ 343 uint8_t *result = (uint8_t *)out; 344 const char *in = *inptr; 345 char *endp; 346 long v; 347 int e; 348 349 save_errno(); 350 v = strtol(in, &endp, 10); 351 e = restore_errno(); 352 353 if (((v == LONG_MIN || v == LONG_MAX) && e == ERANGE) || 354 endp == in || !isspace(_UC(*endp)) || 355 v != (*result = (uint8_t) v)) { 356 return -1; 357 } 358 for (in = endp; isspace(_UC(*in)); ++in) 359 continue; 360 361 *inptr = in; 362 return 1; 363} 364 365struct tlsa_field { 366 void *var; 367 const char *name; 368 ossl_ssize_t (*parser)(const char **, void *); 369}; 370 371static int tlsa_import_rr(SSL *con, const char *rrdata) 372{ 373 /* Not necessary to re-init these values; the "parsers" do that. */ 374 static uint8_t usage; 375 static uint8_t selector; 376 static uint8_t mtype; 377 static unsigned char *data; 378 static struct tlsa_field tlsa_fields[] = { 379 { &usage, "usage", checked_uint8 }, 380 { &selector, "selector", checked_uint8 }, 381 { &mtype, "mtype", checked_uint8 }, 382 { &data, "data", hexdecode }, 383 { NULL, } 384 }; 385 struct tlsa_field *f; 386 int ret; 387 const char *cp = rrdata; 388 ossl_ssize_t len = 0; 389 390 for (f = tlsa_fields; f->var; ++f) { 391 /* Returns number of bytes produced, advances cp to next field */ 392 if ((len = f->parser(&cp, f->var)) <= 0) { 393 BIO_printf(bio_err, "%s: warning: bad TLSA %s field in: %s\n", 394 prog, f->name, rrdata); 395 return 0; 396 } 397 } 398 /* The data field is last, so len is its length */ 399 ret = SSL_dane_tlsa_add(con, usage, selector, mtype, data, len); 400 OPENSSL_free(data); 401 402 if (ret == 0) { 403 ERR_print_errors(bio_err); 404 BIO_printf(bio_err, "%s: warning: unusable TLSA rrdata: %s\n", 405 prog, rrdata); 406 return 0; 407 } 408 if (ret < 0) { 409 ERR_print_errors(bio_err); 410 BIO_printf(bio_err, "%s: warning: error loading TLSA rrdata: %s\n", 411 prog, rrdata); 412 return 0; 413 } 414 return ret; 415} 416 417static int tlsa_import_rrset(SSL *con, STACK_OF(OPENSSL_STRING) *rrset) 418{ 419 int num = sk_OPENSSL_STRING_num(rrset); 420 int count = 0; 421 int i; 422 423 for (i = 0; i < num; ++i) { 424 char *rrdata = sk_OPENSSL_STRING_value(rrset, i); 425 if (tlsa_import_rr(con, rrdata) > 0) 426 ++count; 427 } 428 return count > 0; 429} 430 431typedef enum OPTION_choice { 432 OPT_COMMON, 433 OPT_4, OPT_6, OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_BIND, OPT_UNIX, 434 OPT_XMPPHOST, OPT_VERIFY, OPT_NAMEOPT, 435 OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN, 436 OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, 437 OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO, 438 OPT_SSL_CLIENT_ENGINE, OPT_IGN_EOF, OPT_NO_IGN_EOF, 439 OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG, 440 OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG, 441 OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE, 442 OPT_PSK_IDENTITY, OPT_PSK, OPT_PSK_SESS, 443#ifndef OPENSSL_NO_SRP 444 OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH, OPT_SRP_LATEUSER, 445 OPT_SRP_MOREGROUPS, 446#endif 447 OPT_SSL3, OPT_SSL_CONFIG, 448 OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, 449 OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS, 450 OPT_CERT_CHAIN, OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, 451 OPT_NEXTPROTONEG, OPT_ALPN, 452 OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, 453 OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, OPT_VERIFYCAFILE, 454 OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE, 455 OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_NOSERVERNAME, OPT_ASYNC, 456 OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_PROTOHOST, 457 OPT_MAXFRAGLEN, OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, 458 OPT_READ_BUF, OPT_KEYLOG_FILE, OPT_EARLY_DATA, OPT_REQCAFILE, 459 OPT_V_ENUM, 460 OPT_X_ENUM, 461 OPT_S_ENUM, OPT_IGNORE_UNEXPECTED_EOF, 462 OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY, OPT_PROXY_USER, OPT_PROXY_PASS, 463 OPT_DANE_TLSA_DOMAIN, 464#ifndef OPENSSL_NO_CT 465 OPT_CT, OPT_NOCT, OPT_CTLOG_FILE, 466#endif 467 OPT_DANE_TLSA_RRDATA, OPT_DANE_EE_NO_NAME, 468 OPT_ENABLE_PHA, 469 OPT_SCTP_LABEL_BUG, 470 OPT_R_ENUM, OPT_PROV_ENUM 471} OPTION_CHOICE; 472 473const OPTIONS s_client_options[] = { 474 {OPT_HELP_STR, 1, '-', "Usage: %s [options] [host:port]\n"}, 475 476 OPT_SECTION("General"), 477 {"help", OPT_HELP, '-', "Display this summary"}, 478#ifndef OPENSSL_NO_ENGINE 479 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, 480 {"ssl_client_engine", OPT_SSL_CLIENT_ENGINE, 's', 481 "Specify engine to be used for client certificate operations"}, 482#endif 483 {"ssl_config", OPT_SSL_CONFIG, 's', "Use specified section for SSL_CTX configuration"}, 484#ifndef OPENSSL_NO_CT 485 {"ct", OPT_CT, '-', "Request and parse SCTs (also enables OCSP stapling)"}, 486 {"noct", OPT_NOCT, '-', "Do not request or parse SCTs (default)"}, 487 {"ctlogfile", OPT_CTLOG_FILE, '<', "CT log list CONF file"}, 488#endif 489 490 OPT_SECTION("Network"), 491 {"host", OPT_HOST, 's', "Use -connect instead"}, 492 {"port", OPT_PORT, 'p', "Use -connect instead"}, 493 {"connect", OPT_CONNECT, 's', 494 "TCP/IP where to connect; default: " PORT ")"}, 495 {"bind", OPT_BIND, 's', "bind local address for connection"}, 496 {"proxy", OPT_PROXY, 's', 497 "Connect to via specified proxy to the real server"}, 498 {"proxy_user", OPT_PROXY_USER, 's', "UserID for proxy authentication"}, 499 {"proxy_pass", OPT_PROXY_PASS, 's', "Proxy authentication password source"}, 500#ifdef AF_UNIX 501 {"unix", OPT_UNIX, 's', "Connect over the specified Unix-domain socket"}, 502#endif 503 {"4", OPT_4, '-', "Use IPv4 only"}, 504#ifdef AF_INET6 505 {"6", OPT_6, '-', "Use IPv6 only"}, 506#endif 507 {"maxfraglen", OPT_MAXFRAGLEN, 'p', 508 "Enable Maximum Fragment Length Negotiation (len values: 512, 1024, 2048 and 4096)"}, 509 {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "}, 510 {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p', 511 "Size used to split data for encrypt pipelines"}, 512 {"max_pipelines", OPT_MAX_PIPELINES, 'p', 513 "Maximum number of encrypt/decrypt pipelines to be used"}, 514 {"read_buf", OPT_READ_BUF, 'p', 515 "Default read buffer size to be used for connections"}, 516 {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"}, 517 518 OPT_SECTION("Identity"), 519 {"cert", OPT_CERT, '<', "Client certificate file to use"}, 520 {"certform", OPT_CERTFORM, 'F', 521 "Client certificate file format (PEM/DER/P12); has no effect"}, 522 {"cert_chain", OPT_CERT_CHAIN, '<', 523 "Client certificate chain file (in PEM format)"}, 524 {"build_chain", OPT_BUILD_CHAIN, '-', "Build client certificate chain"}, 525 {"key", OPT_KEY, 's', "Private key file to use; default: -cert file"}, 526 {"keyform", OPT_KEYFORM, 'E', "Key format (ENGINE, other values ignored)"}, 527 {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"}, 528 {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"}, 529 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"}, 530 {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, 531 {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, 532 {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"}, 533 {"no-CAfile", OPT_NOCAFILE, '-', 534 "Do not load the default certificates file"}, 535 {"no-CApath", OPT_NOCAPATH, '-', 536 "Do not load certificates from the default certificates directory"}, 537 {"no-CAstore", OPT_NOCASTORE, '-', 538 "Do not load certificates from the default certificates store"}, 539 {"requestCAfile", OPT_REQCAFILE, '<', 540 "PEM format file of CA names to send to the server"}, 541 {"dane_tlsa_domain", OPT_DANE_TLSA_DOMAIN, 's', "DANE TLSA base domain"}, 542 {"dane_tlsa_rrdata", OPT_DANE_TLSA_RRDATA, 's', 543 "DANE TLSA rrdata presentation form"}, 544 {"dane_ee_no_namechecks", OPT_DANE_EE_NO_NAME, '-', 545 "Disable name checks when matching DANE-EE(3) TLSA records"}, 546 {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity"}, 547 {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, 548 {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"}, 549 {"name", OPT_PROTOHOST, 's', 550 "Hostname to use for \"-starttls lmtp\", \"-starttls smtp\" or \"-starttls xmpp[-server]\""}, 551 552 OPT_SECTION("Session"), 553 {"reconnect", OPT_RECONNECT, '-', 554 "Drop and re-make the connection with the same Session-ID"}, 555 {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"}, 556 {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"}, 557 558 OPT_SECTION("Input/Output"), 559 {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, 560 {"quiet", OPT_QUIET, '-', "No s_client output"}, 561 {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"}, 562 {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"}, 563 {"starttls", OPT_STARTTLS, 's', 564 "Use the appropriate STARTTLS command before starting TLS"}, 565 {"xmpphost", OPT_XMPPHOST, 's', 566 "Alias of -name option for \"-starttls xmpp[-server]\""}, 567 {"brief", OPT_BRIEF, '-', 568 "Restrict output to brief summary of connection parameters"}, 569 {"prexit", OPT_PREXIT, '-', 570 "Print session information when the program exits"}, 571 572 OPT_SECTION("Debug"), 573 {"showcerts", OPT_SHOWCERTS, '-', 574 "Show all certificates sent by the server"}, 575 {"debug", OPT_DEBUG, '-', "Extra output"}, 576 {"msg", OPT_MSG, '-', "Show protocol messages"}, 577 {"msgfile", OPT_MSGFILE, '>', 578 "File to send output of -msg or -trace, instead of stdout"}, 579 {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"}, 580 {"state", OPT_STATE, '-', "Print the ssl states"}, 581 {"keymatexport", OPT_KEYMATEXPORT, 's', 582 "Export keying material using label"}, 583 {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', 584 "Export len bytes of keying material; default 20"}, 585 {"security_debug", OPT_SECURITY_DEBUG, '-', 586 "Enable security debug messages"}, 587 {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', 588 "Output more security debug output"}, 589#ifndef OPENSSL_NO_SSL_TRACE 590 {"trace", OPT_TRACE, '-', "Show trace output of protocol messages"}, 591#endif 592#ifdef WATT32 593 {"wdebug", OPT_WDEBUG, '-', "WATT-32 tcp debugging"}, 594#endif 595 {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"}, 596 {"nocommands", OPT_NOCMDS, '-', "Do not use interactive command letters"}, 597 {"servername", OPT_SERVERNAME, 's', 598 "Set TLS extension servername (SNI) in ClientHello (default)"}, 599 {"noservername", OPT_NOSERVERNAME, '-', 600 "Do not send the server name (SNI) extension in the ClientHello"}, 601 {"tlsextdebug", OPT_TLSEXTDEBUG, '-', 602 "Hex dump of all TLS extensions received"}, 603 {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-', 604 "Do not treat lack of close_notify from a peer as an error"}, 605#ifndef OPENSSL_NO_OCSP 606 {"status", OPT_STATUS, '-', "Request certificate status from server"}, 607#endif 608 {"serverinfo", OPT_SERVERINFO, 's', 609 "types Send empty ClientHello extensions (comma-separated numbers)"}, 610 {"alpn", OPT_ALPN, 's', 611 "Enable ALPN extension, considering named protocols supported (comma-separated list)"}, 612 {"async", OPT_ASYNC, '-', "Support asynchronous operation"}, 613 {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, 614 615 OPT_SECTION("Protocol and version"), 616#ifndef OPENSSL_NO_SSL3 617 {"ssl3", OPT_SSL3, '-', "Just use SSLv3"}, 618#endif 619#ifndef OPENSSL_NO_TLS1 620 {"tls1", OPT_TLS1, '-', "Just use TLSv1"}, 621#endif 622#ifndef OPENSSL_NO_TLS1_1 623 {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"}, 624#endif 625#ifndef OPENSSL_NO_TLS1_2 626 {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"}, 627#endif 628#ifndef OPENSSL_NO_TLS1_3 629 {"tls1_3", OPT_TLS1_3, '-', "Just use TLSv1.3"}, 630#endif 631#ifndef OPENSSL_NO_DTLS 632 {"dtls", OPT_DTLS, '-', "Use any version of DTLS"}, 633 {"timeout", OPT_TIMEOUT, '-', 634 "Enable send/receive timeout on DTLS connections"}, 635 {"mtu", OPT_MTU, 'p', "Set the link layer MTU"}, 636#endif 637#ifndef OPENSSL_NO_DTLS1 638 {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"}, 639#endif 640#ifndef OPENSSL_NO_DTLS1_2 641 {"dtls1_2", OPT_DTLS1_2, '-', "Just use DTLSv1.2"}, 642#endif 643#ifndef OPENSSL_NO_SCTP 644 {"sctp", OPT_SCTP, '-', "Use SCTP"}, 645 {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"}, 646#endif 647#ifndef OPENSSL_NO_NEXTPROTONEG 648 {"nextprotoneg", OPT_NEXTPROTONEG, 's', 649 "Enable NPN extension, considering named protocols supported (comma-separated list)"}, 650#endif 651 {"early_data", OPT_EARLY_DATA, '<', "File to send as early data"}, 652 {"enable_pha", OPT_ENABLE_PHA, '-', "Enable post-handshake-authentication"}, 653#ifndef OPENSSL_NO_SRTP 654 {"use_srtp", OPT_USE_SRTP, 's', 655 "Offer SRTP key management with a colon-separated profile list"}, 656#endif 657#ifndef OPENSSL_NO_SRP 658 {"srpuser", OPT_SRPUSER, 's', "(deprecated) SRP authentication for 'user'"}, 659 {"srppass", OPT_SRPPASS, 's', "(deprecated) Password for 'user'"}, 660 {"srp_lateuser", OPT_SRP_LATEUSER, '-', 661 "(deprecated) SRP username into second ClientHello message"}, 662 {"srp_moregroups", OPT_SRP_MOREGROUPS, '-', 663 "(deprecated) Tolerate other than the known g N values."}, 664 {"srp_strength", OPT_SRP_STRENGTH, 'p', 665 "(deprecated) Minimal length in bits for N"}, 666#endif 667 668 OPT_R_OPTIONS, 669 OPT_S_OPTIONS, 670 OPT_V_OPTIONS, 671 {"CRL", OPT_CRL, '<', "CRL file to use"}, 672 {"crl_download", OPT_CRL_DOWNLOAD, '-', "Download CRL from distribution points"}, 673 {"CRLform", OPT_CRLFORM, 'F', "CRL format (PEM or DER); default PEM"}, 674 {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', 675 "Close connection on verification error"}, 676 {"verify_quiet", OPT_VERIFY_QUIET, '-', "Restrict verify output to errors"}, 677 {"chainCAfile", OPT_CHAINCAFILE, '<', 678 "CA file for certificate chain (PEM format)"}, 679 {"chainCApath", OPT_CHAINCAPATH, '/', 680 "Use dir as certificate store path to build CA certificate chain"}, 681 {"chainCAstore", OPT_CHAINCASTORE, ':', 682 "CA store URI for certificate chain"}, 683 {"verifyCAfile", OPT_VERIFYCAFILE, '<', 684 "CA file for certificate verification (PEM format)"}, 685 {"verifyCApath", OPT_VERIFYCAPATH, '/', 686 "Use dir as certificate store path to verify CA certificate"}, 687 {"verifyCAstore", OPT_VERIFYCASTORE, ':', 688 "CA store URI for certificate verification"}, 689 OPT_X_OPTIONS, 690 OPT_PROV_OPTIONS, 691 692 OPT_PARAMETERS(), 693 {"host:port", 0, 0, "Where to connect; same as -connect option"}, 694 {NULL} 695}; 696 697typedef enum PROTOCOL_choice { 698 PROTO_OFF, 699 PROTO_SMTP, 700 PROTO_POP3, 701 PROTO_IMAP, 702 PROTO_FTP, 703 PROTO_TELNET, 704 PROTO_XMPP, 705 PROTO_XMPP_SERVER, 706 PROTO_IRC, 707 PROTO_MYSQL, 708 PROTO_POSTGRES, 709 PROTO_LMTP, 710 PROTO_NNTP, 711 PROTO_SIEVE, 712 PROTO_LDAP 713} PROTOCOL_CHOICE; 714 715static const OPT_PAIR services[] = { 716 {"smtp", PROTO_SMTP}, 717 {"pop3", PROTO_POP3}, 718 {"imap", PROTO_IMAP}, 719 {"ftp", PROTO_FTP}, 720 {"xmpp", PROTO_XMPP}, 721 {"xmpp-server", PROTO_XMPP_SERVER}, 722 {"telnet", PROTO_TELNET}, 723 {"irc", PROTO_IRC}, 724 {"mysql", PROTO_MYSQL}, 725 {"postgres", PROTO_POSTGRES}, 726 {"lmtp", PROTO_LMTP}, 727 {"nntp", PROTO_NNTP}, 728 {"sieve", PROTO_SIEVE}, 729 {"ldap", PROTO_LDAP}, 730 {NULL, 0} 731}; 732 733#define IS_INET_FLAG(o) \ 734 (o == OPT_4 || o == OPT_6 || o == OPT_HOST || o == OPT_PORT || o == OPT_CONNECT) 735#define IS_UNIX_FLAG(o) (o == OPT_UNIX) 736 737#define IS_PROT_FLAG(o) \ 738 (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ 739 || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) 740 741/* Free |*dest| and optionally set it to a copy of |source|. */ 742static void freeandcopy(char **dest, const char *source) 743{ 744 OPENSSL_free(*dest); 745 *dest = NULL; 746 if (source != NULL) 747 *dest = OPENSSL_strdup(source); 748} 749 750static int new_session_cb(SSL *s, SSL_SESSION *sess) 751{ 752 753 if (sess_out != NULL) { 754 BIO *stmp = BIO_new_file(sess_out, "w"); 755 756 if (stmp == NULL) { 757 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 758 } else { 759 PEM_write_bio_SSL_SESSION(stmp, sess); 760 BIO_free(stmp); 761 } 762 } 763 764 /* 765 * Session data gets dumped on connection for TLSv1.2 and below, and on 766 * arrival of the NewSessionTicket for TLSv1.3. 767 */ 768 if (SSL_version(s) == TLS1_3_VERSION) { 769 BIO_printf(bio_c_out, 770 "---\nPost-Handshake New Session Ticket arrived:\n"); 771 SSL_SESSION_print(bio_c_out, sess); 772 BIO_printf(bio_c_out, "---\n"); 773 } 774 775 /* 776 * We always return a "fail" response so that the session gets freed again 777 * because we haven't used the reference. 778 */ 779 return 0; 780} 781 782int s_client_main(int argc, char **argv) 783{ 784 BIO *sbio; 785 EVP_PKEY *key = NULL; 786 SSL *con = NULL; 787 SSL_CTX *ctx = NULL; 788 STACK_OF(X509) *chain = NULL; 789 X509 *cert = NULL; 790 X509_VERIFY_PARAM *vpm = NULL; 791 SSL_EXCERT *exc = NULL; 792 SSL_CONF_CTX *cctx = NULL; 793 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 794 char *dane_tlsa_domain = NULL; 795 STACK_OF(OPENSSL_STRING) *dane_tlsa_rrset = NULL; 796 int dane_ee_no_name = 0; 797 STACK_OF(X509_CRL) *crls = NULL; 798 const SSL_METHOD *meth = TLS_client_method(); 799 const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL; 800 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL; 801 char *proxystr = NULL, *proxyuser = NULL; 802 char *proxypassarg = NULL, *proxypass = NULL; 803 char *connectstr = NULL, *bindstr = NULL; 804 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL; 805 char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL, *host = NULL; 806 char *thost = NULL, *tport = NULL; 807 char *port = NULL; 808 char *bindhost = NULL, *bindport = NULL; 809 char *passarg = NULL, *pass = NULL; 810 char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL; 811 char *ReqCAfile = NULL; 812 char *sess_in = NULL, *crl_file = NULL, *p; 813 const char *protohost = NULL; 814 struct timeval timeout, *timeoutp; 815 fd_set readfds, writefds; 816 int noCApath = 0, noCAfile = 0, noCAstore = 0; 817 int build_chain = 0, cbuf_len, cbuf_off, cert_format = FORMAT_UNDEF; 818 int key_format = FORMAT_UNDEF, crlf = 0, full_log = 1, mbuf_len = 0; 819 int prexit = 0; 820 int sdebug = 0; 821 int reconnect = 0, verify = SSL_VERIFY_NONE, vpmtouched = 0; 822 int ret = 1, in_init = 1, i, nbio_test = 0, sock = -1, k, width, state = 0; 823 int sbuf_len, sbuf_off, cmdletters = 1; 824 int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0; 825 int starttls_proto = PROTO_OFF, crl_format = FORMAT_UNDEF, crl_download = 0; 826 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; 827#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 828 int at_eof = 0; 829#endif 830 int read_buf_len = 0; 831 int fallback_scsv = 0; 832 OPTION_CHOICE o; 833#ifndef OPENSSL_NO_DTLS 834 int enable_timeouts = 0; 835 long socket_mtu = 0; 836#endif 837#ifndef OPENSSL_NO_ENGINE 838 ENGINE *ssl_client_engine = NULL; 839#endif 840 ENGINE *e = NULL; 841#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 842 struct timeval tv; 843#endif 844 const char *servername = NULL; 845 char *sname_alloc = NULL; 846 int noservername = 0; 847 const char *alpn_in = NULL; 848 tlsextctx tlsextcbp = { NULL, 0 }; 849 const char *ssl_config = NULL; 850#define MAX_SI_TYPES 100 851 unsigned short serverinfo_types[MAX_SI_TYPES]; 852 int serverinfo_count = 0, start = 0, len; 853#ifndef OPENSSL_NO_NEXTPROTONEG 854 const char *next_proto_neg_in = NULL; 855#endif 856#ifndef OPENSSL_NO_SRP 857 char *srppass = NULL; 858 int srp_lateuser = 0; 859 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; 860#endif 861#ifndef OPENSSL_NO_SRTP 862 char *srtp_profiles = NULL; 863#endif 864#ifndef OPENSSL_NO_CT 865 char *ctlog_file = NULL; 866 int ct_validation = 0; 867#endif 868 int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; 869 int async = 0; 870 unsigned int max_send_fragment = 0; 871 unsigned int split_send_fragment = 0, max_pipelines = 0; 872 enum { use_inet, use_unix, use_unknown } connect_type = use_unknown; 873 int count4or6 = 0; 874 uint8_t maxfraglen = 0; 875 int c_nbio = 0, c_msg = 0, c_ign_eof = 0, c_brief = 0; 876 int c_tlsextdebug = 0; 877#ifndef OPENSSL_NO_OCSP 878 int c_status_req = 0; 879#endif 880 BIO *bio_c_msg = NULL; 881 const char *keylog_file = NULL, *early_data_file = NULL; 882#ifndef OPENSSL_NO_DTLS 883 int isdtls = 0; 884#endif 885 char *psksessf = NULL; 886 int enable_pha = 0; 887#ifndef OPENSSL_NO_SCTP 888 int sctp_label_bug = 0; 889#endif 890 int ignore_unexpected_eof = 0; 891 892 FD_ZERO(&readfds); 893 FD_ZERO(&writefds); 894/* Known false-positive of MemorySanitizer. */ 895#if defined(__has_feature) 896# if __has_feature(memory_sanitizer) 897 __msan_unpoison(&readfds, sizeof(readfds)); 898 __msan_unpoison(&writefds, sizeof(writefds)); 899# endif 900#endif 901 902 c_quiet = 0; 903 c_debug = 0; 904 c_showcerts = 0; 905 c_nbio = 0; 906 port = OPENSSL_strdup(PORT); 907 vpm = X509_VERIFY_PARAM_new(); 908 cctx = SSL_CONF_CTX_new(); 909 910 if (port == NULL || vpm == NULL || cctx == NULL) { 911 BIO_printf(bio_err, "%s: out of memory\n", opt_getprog()); 912 goto end; 913 } 914 915 cbuf = app_malloc(BUFSIZZ, "cbuf"); 916 sbuf = app_malloc(BUFSIZZ, "sbuf"); 917 mbuf = app_malloc(BUFSIZZ, "mbuf"); 918 919 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT | SSL_CONF_FLAG_CMDLINE); 920 921 prog = opt_init(argc, argv, s_client_options); 922 while ((o = opt_next()) != OPT_EOF) { 923 /* Check for intermixing flags. */ 924 if (connect_type == use_unix && IS_INET_FLAG(o)) { 925 BIO_printf(bio_err, 926 "%s: Intermixed protocol flags (unix and internet domains)\n", 927 prog); 928 goto end; 929 } 930 if (connect_type == use_inet && IS_UNIX_FLAG(o)) { 931 BIO_printf(bio_err, 932 "%s: Intermixed protocol flags (internet and unix domains)\n", 933 prog); 934 goto end; 935 } 936 937 if (IS_PROT_FLAG(o) && ++prot_opt > 1) { 938 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 939 goto end; 940 } 941 if (IS_NO_PROT_FLAG(o)) 942 no_prot_opt++; 943 if (prot_opt == 1 && no_prot_opt) { 944 BIO_printf(bio_err, 945 "Cannot supply both a protocol flag and '-no_<prot>'\n"); 946 goto end; 947 } 948 949 switch (o) { 950 case OPT_EOF: 951 case OPT_ERR: 952 opthelp: 953 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); 954 goto end; 955 case OPT_HELP: 956 opt_help(s_client_options); 957 ret = 0; 958 goto end; 959 case OPT_4: 960 connect_type = use_inet; 961 socket_family = AF_INET; 962 count4or6++; 963 break; 964#ifdef AF_INET6 965 case OPT_6: 966 connect_type = use_inet; 967 socket_family = AF_INET6; 968 count4or6++; 969 break; 970#endif 971 case OPT_HOST: 972 connect_type = use_inet; 973 freeandcopy(&host, opt_arg()); 974 break; 975 case OPT_PORT: 976 connect_type = use_inet; 977 freeandcopy(&port, opt_arg()); 978 break; 979 case OPT_CONNECT: 980 connect_type = use_inet; 981 freeandcopy(&connectstr, opt_arg()); 982 break; 983 case OPT_BIND: 984 freeandcopy(&bindstr, opt_arg()); 985 break; 986 case OPT_PROXY: 987 proxystr = opt_arg(); 988 break; 989 case OPT_PROXY_USER: 990 proxyuser = opt_arg(); 991 break; 992 case OPT_PROXY_PASS: 993 proxypassarg = opt_arg(); 994 break; 995#ifdef AF_UNIX 996 case OPT_UNIX: 997 connect_type = use_unix; 998 socket_family = AF_UNIX; 999 freeandcopy(&host, opt_arg()); 1000 break; 1001#endif 1002 case OPT_XMPPHOST: 1003 /* fall through, since this is an alias */ 1004 case OPT_PROTOHOST: 1005 protohost = opt_arg(); 1006 break; 1007 case OPT_VERIFY: 1008 verify = SSL_VERIFY_PEER; 1009 verify_args.depth = atoi(opt_arg()); 1010 if (!c_quiet) 1011 BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); 1012 break; 1013 case OPT_CERT: 1014 cert_file = opt_arg(); 1015 break; 1016 case OPT_NAMEOPT: 1017 if (!set_nameopt(opt_arg())) 1018 goto end; 1019 break; 1020 case OPT_CRL: 1021 crl_file = opt_arg(); 1022 break; 1023 case OPT_CRL_DOWNLOAD: 1024 crl_download = 1; 1025 break; 1026 case OPT_SESS_OUT: 1027 sess_out = opt_arg(); 1028 break; 1029 case OPT_SESS_IN: 1030 sess_in = opt_arg(); 1031 break; 1032 case OPT_CERTFORM: 1033 if (!opt_format(opt_arg(), OPT_FMT_ANY, &cert_format)) 1034 goto opthelp; 1035 break; 1036 case OPT_CRLFORM: 1037 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) 1038 goto opthelp; 1039 break; 1040 case OPT_VERIFY_RET_ERROR: 1041 verify = SSL_VERIFY_PEER; 1042 verify_args.return_error = 1; 1043 break; 1044 case OPT_VERIFY_QUIET: 1045 verify_args.quiet = 1; 1046 break; 1047 case OPT_BRIEF: 1048 c_brief = verify_args.quiet = c_quiet = 1; 1049 break; 1050 case OPT_S_CASES: 1051 if (ssl_args == NULL) 1052 ssl_args = sk_OPENSSL_STRING_new_null(); 1053 if (ssl_args == NULL 1054 || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) 1055 || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { 1056 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); 1057 goto end; 1058 } 1059 break; 1060 case OPT_V_CASES: 1061 if (!opt_verify(o, vpm)) 1062 goto end; 1063 vpmtouched++; 1064 break; 1065 case OPT_X_CASES: 1066 if (!args_excert(o, &exc)) 1067 goto end; 1068 break; 1069 case OPT_IGNORE_UNEXPECTED_EOF: 1070 ignore_unexpected_eof = 1; 1071 break; 1072 case OPT_PREXIT: 1073 prexit = 1; 1074 break; 1075 case OPT_CRLF: 1076 crlf = 1; 1077 break; 1078 case OPT_QUIET: 1079 c_quiet = c_ign_eof = 1; 1080 break; 1081 case OPT_NBIO: 1082 c_nbio = 1; 1083 break; 1084 case OPT_NOCMDS: 1085 cmdletters = 0; 1086 break; 1087 case OPT_ENGINE: 1088 e = setup_engine(opt_arg(), 1); 1089 break; 1090 case OPT_SSL_CLIENT_ENGINE: 1091#ifndef OPENSSL_NO_ENGINE 1092 ssl_client_engine = setup_engine(opt_arg(), 0); 1093 if (ssl_client_engine == NULL) { 1094 BIO_printf(bio_err, "Error getting client auth engine\n"); 1095 goto opthelp; 1096 } 1097#endif 1098 break; 1099 case OPT_R_CASES: 1100 if (!opt_rand(o)) 1101 goto end; 1102 break; 1103 case OPT_PROV_CASES: 1104 if (!opt_provider(o)) 1105 goto end; 1106 break; 1107 case OPT_IGN_EOF: 1108 c_ign_eof = 1; 1109 break; 1110 case OPT_NO_IGN_EOF: 1111 c_ign_eof = 0; 1112 break; 1113 case OPT_DEBUG: 1114 c_debug = 1; 1115 break; 1116 case OPT_TLSEXTDEBUG: 1117 c_tlsextdebug = 1; 1118 break; 1119 case OPT_STATUS: 1120#ifndef OPENSSL_NO_OCSP 1121 c_status_req = 1; 1122#endif 1123 break; 1124 case OPT_WDEBUG: 1125#ifdef WATT32 1126 dbug_init(); 1127#endif 1128 break; 1129 case OPT_MSG: 1130 c_msg = 1; 1131 break; 1132 case OPT_MSGFILE: 1133 bio_c_msg = BIO_new_file(opt_arg(), "w"); 1134 if (bio_c_msg == NULL) { 1135 BIO_printf(bio_err, "Error writing file %s\n", opt_arg()); 1136 goto end; 1137 } 1138 break; 1139 case OPT_TRACE: 1140#ifndef OPENSSL_NO_SSL_TRACE 1141 c_msg = 2; 1142#endif 1143 break; 1144 case OPT_SECURITY_DEBUG: 1145 sdebug = 1; 1146 break; 1147 case OPT_SECURITY_DEBUG_VERBOSE: 1148 sdebug = 2; 1149 break; 1150 case OPT_SHOWCERTS: 1151 c_showcerts = 1; 1152 break; 1153 case OPT_NBIO_TEST: 1154 nbio_test = 1; 1155 break; 1156 case OPT_STATE: 1157 state = 1; 1158 break; 1159 case OPT_PSK_IDENTITY: 1160 psk_identity = opt_arg(); 1161 break; 1162 case OPT_PSK: 1163 for (p = psk_key = opt_arg(); *p; p++) { 1164 if (isxdigit(_UC(*p))) 1165 continue; 1166 BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key); 1167 goto end; 1168 } 1169 break; 1170 case OPT_PSK_SESS: 1171 psksessf = opt_arg(); 1172 break; 1173#ifndef OPENSSL_NO_SRP 1174 case OPT_SRPUSER: 1175 srp_arg.srplogin = opt_arg(); 1176 if (min_version < TLS1_VERSION) 1177 min_version = TLS1_VERSION; 1178 break; 1179 case OPT_SRPPASS: 1180 srppass = opt_arg(); 1181 if (min_version < TLS1_VERSION) 1182 min_version = TLS1_VERSION; 1183 break; 1184 case OPT_SRP_STRENGTH: 1185 srp_arg.strength = atoi(opt_arg()); 1186 BIO_printf(bio_err, "SRP minimal length for N is %d\n", 1187 srp_arg.strength); 1188 if (min_version < TLS1_VERSION) 1189 min_version = TLS1_VERSION; 1190 break; 1191 case OPT_SRP_LATEUSER: 1192 srp_lateuser = 1; 1193 if (min_version < TLS1_VERSION) 1194 min_version = TLS1_VERSION; 1195 break; 1196 case OPT_SRP_MOREGROUPS: 1197 srp_arg.amp = 1; 1198 if (min_version < TLS1_VERSION) 1199 min_version = TLS1_VERSION; 1200 break; 1201#endif 1202 case OPT_SSL_CONFIG: 1203 ssl_config = opt_arg(); 1204 break; 1205 case OPT_SSL3: 1206 min_version = SSL3_VERSION; 1207 max_version = SSL3_VERSION; 1208 socket_type = SOCK_STREAM; 1209#ifndef OPENSSL_NO_DTLS 1210 isdtls = 0; 1211#endif 1212 break; 1213 case OPT_TLS1_3: 1214 min_version = TLS1_3_VERSION; 1215 max_version = TLS1_3_VERSION; 1216 socket_type = SOCK_STREAM; 1217#ifndef OPENSSL_NO_DTLS 1218 isdtls = 0; 1219#endif 1220 break; 1221 case OPT_TLS1_2: 1222 min_version = TLS1_2_VERSION; 1223 max_version = TLS1_2_VERSION; 1224 socket_type = SOCK_STREAM; 1225#ifndef OPENSSL_NO_DTLS 1226 isdtls = 0; 1227#endif 1228 break; 1229 case OPT_TLS1_1: 1230 min_version = TLS1_1_VERSION; 1231 max_version = TLS1_1_VERSION; 1232 socket_type = SOCK_STREAM; 1233#ifndef OPENSSL_NO_DTLS 1234 isdtls = 0; 1235#endif 1236 break; 1237 case OPT_TLS1: 1238 min_version = TLS1_VERSION; 1239 max_version = TLS1_VERSION; 1240 socket_type = SOCK_STREAM; 1241#ifndef OPENSSL_NO_DTLS 1242 isdtls = 0; 1243#endif 1244 break; 1245 case OPT_DTLS: 1246#ifndef OPENSSL_NO_DTLS 1247 meth = DTLS_client_method(); 1248 socket_type = SOCK_DGRAM; 1249 isdtls = 1; 1250#endif 1251 break; 1252 case OPT_DTLS1: 1253#ifndef OPENSSL_NO_DTLS1 1254 meth = DTLS_client_method(); 1255 min_version = DTLS1_VERSION; 1256 max_version = DTLS1_VERSION; 1257 socket_type = SOCK_DGRAM; 1258 isdtls = 1; 1259#endif 1260 break; 1261 case OPT_DTLS1_2: 1262#ifndef OPENSSL_NO_DTLS1_2 1263 meth = DTLS_client_method(); 1264 min_version = DTLS1_2_VERSION; 1265 max_version = DTLS1_2_VERSION; 1266 socket_type = SOCK_DGRAM; 1267 isdtls = 1; 1268#endif 1269 break; 1270 case OPT_SCTP: 1271#ifndef OPENSSL_NO_SCTP 1272 protocol = IPPROTO_SCTP; 1273#endif 1274 break; 1275 case OPT_SCTP_LABEL_BUG: 1276#ifndef OPENSSL_NO_SCTP 1277 sctp_label_bug = 1; 1278#endif 1279 break; 1280 case OPT_TIMEOUT: 1281#ifndef OPENSSL_NO_DTLS 1282 enable_timeouts = 1; 1283#endif 1284 break; 1285 case OPT_MTU: 1286#ifndef OPENSSL_NO_DTLS 1287 socket_mtu = atol(opt_arg()); 1288#endif 1289 break; 1290 case OPT_FALLBACKSCSV: 1291 fallback_scsv = 1; 1292 break; 1293 case OPT_KEYFORM: 1294 if (!opt_format(opt_arg(), OPT_FMT_ANY, &key_format)) 1295 goto opthelp; 1296 break; 1297 case OPT_PASS: 1298 passarg = opt_arg(); 1299 break; 1300 case OPT_CERT_CHAIN: 1301 chain_file = opt_arg(); 1302 break; 1303 case OPT_KEY: 1304 key_file = opt_arg(); 1305 break; 1306 case OPT_RECONNECT: 1307 reconnect = 5; 1308 break; 1309 case OPT_CAPATH: 1310 CApath = opt_arg(); 1311 break; 1312 case OPT_NOCAPATH: 1313 noCApath = 1; 1314 break; 1315 case OPT_CHAINCAPATH: 1316 chCApath = opt_arg(); 1317 break; 1318 case OPT_VERIFYCAPATH: 1319 vfyCApath = opt_arg(); 1320 break; 1321 case OPT_BUILD_CHAIN: 1322 build_chain = 1; 1323 break; 1324 case OPT_REQCAFILE: 1325 ReqCAfile = opt_arg(); 1326 break; 1327 case OPT_CAFILE: 1328 CAfile = opt_arg(); 1329 break; 1330 case OPT_NOCAFILE: 1331 noCAfile = 1; 1332 break; 1333#ifndef OPENSSL_NO_CT 1334 case OPT_NOCT: 1335 ct_validation = 0; 1336 break; 1337 case OPT_CT: 1338 ct_validation = 1; 1339 break; 1340 case OPT_CTLOG_FILE: 1341 ctlog_file = opt_arg(); 1342 break; 1343#endif 1344 case OPT_CHAINCAFILE: 1345 chCAfile = opt_arg(); 1346 break; 1347 case OPT_VERIFYCAFILE: 1348 vfyCAfile = opt_arg(); 1349 break; 1350 case OPT_CASTORE: 1351 CAstore = opt_arg(); 1352 break; 1353 case OPT_NOCASTORE: 1354 noCAstore = 1; 1355 break; 1356 case OPT_CHAINCASTORE: 1357 chCAstore = opt_arg(); 1358 break; 1359 case OPT_VERIFYCASTORE: 1360 vfyCAstore = opt_arg(); 1361 break; 1362 case OPT_DANE_TLSA_DOMAIN: 1363 dane_tlsa_domain = opt_arg(); 1364 break; 1365 case OPT_DANE_TLSA_RRDATA: 1366 if (dane_tlsa_rrset == NULL) 1367 dane_tlsa_rrset = sk_OPENSSL_STRING_new_null(); 1368 if (dane_tlsa_rrset == NULL || 1369 !sk_OPENSSL_STRING_push(dane_tlsa_rrset, opt_arg())) { 1370 BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); 1371 goto end; 1372 } 1373 break; 1374 case OPT_DANE_EE_NO_NAME: 1375 dane_ee_no_name = 1; 1376 break; 1377 case OPT_NEXTPROTONEG: 1378#ifndef OPENSSL_NO_NEXTPROTONEG 1379 next_proto_neg_in = opt_arg(); 1380#endif 1381 break; 1382 case OPT_ALPN: 1383 alpn_in = opt_arg(); 1384 break; 1385 case OPT_SERVERINFO: 1386 p = opt_arg(); 1387 len = strlen(p); 1388 for (start = 0, i = 0; i <= len; ++i) { 1389 if (i == len || p[i] == ',') { 1390 serverinfo_types[serverinfo_count] = atoi(p + start); 1391 if (++serverinfo_count == MAX_SI_TYPES) 1392 break; 1393 start = i + 1; 1394 } 1395 } 1396 break; 1397 case OPT_STARTTLS: 1398 if (!opt_pair(opt_arg(), services, &starttls_proto)) 1399 goto end; 1400 break; 1401 case OPT_SERVERNAME: 1402 servername = opt_arg(); 1403 break; 1404 case OPT_NOSERVERNAME: 1405 noservername = 1; 1406 break; 1407 case OPT_USE_SRTP: 1408#ifndef OPENSSL_NO_SRTP 1409 srtp_profiles = opt_arg(); 1410#endif 1411 break; 1412 case OPT_KEYMATEXPORT: 1413 keymatexportlabel = opt_arg(); 1414 break; 1415 case OPT_KEYMATEXPORTLEN: 1416 keymatexportlen = atoi(opt_arg()); 1417 break; 1418 case OPT_ASYNC: 1419 async = 1; 1420 break; 1421 case OPT_MAXFRAGLEN: 1422 len = atoi(opt_arg()); 1423 switch (len) { 1424 case 512: 1425 maxfraglen = TLSEXT_max_fragment_length_512; 1426 break; 1427 case 1024: 1428 maxfraglen = TLSEXT_max_fragment_length_1024; 1429 break; 1430 case 2048: 1431 maxfraglen = TLSEXT_max_fragment_length_2048; 1432 break; 1433 case 4096: 1434 maxfraglen = TLSEXT_max_fragment_length_4096; 1435 break; 1436 default: 1437 BIO_printf(bio_err, 1438 "%s: Max Fragment Len %u is out of permitted values", 1439 prog, len); 1440 goto opthelp; 1441 } 1442 break; 1443 case OPT_MAX_SEND_FRAG: 1444 max_send_fragment = atoi(opt_arg()); 1445 break; 1446 case OPT_SPLIT_SEND_FRAG: 1447 split_send_fragment = atoi(opt_arg()); 1448 break; 1449 case OPT_MAX_PIPELINES: 1450 max_pipelines = atoi(opt_arg()); 1451 break; 1452 case OPT_READ_BUF: 1453 read_buf_len = atoi(opt_arg()); 1454 break; 1455 case OPT_KEYLOG_FILE: 1456 keylog_file = opt_arg(); 1457 break; 1458 case OPT_EARLY_DATA: 1459 early_data_file = opt_arg(); 1460 break; 1461 case OPT_ENABLE_PHA: 1462 enable_pha = 1; 1463 break; 1464 } 1465 } 1466 1467 /* Optional argument is connect string if -connect not used. */ 1468 argc = opt_num_rest(); 1469 if (argc == 1) { 1470 /* Don't allow -connect and a separate argument. */ 1471 if (connectstr != NULL) { 1472 BIO_printf(bio_err, 1473 "%s: cannot provide both -connect option and target parameter\n", 1474 prog); 1475 goto opthelp; 1476 } 1477 connect_type = use_inet; 1478 freeandcopy(&connectstr, *opt_rest()); 1479 } else if (argc != 0) { 1480 goto opthelp; 1481 } 1482 if (!app_RAND_load()) 1483 goto end; 1484 1485 if (count4or6 >= 2) { 1486 BIO_printf(bio_err, "%s: Can't use both -4 and -6\n", prog); 1487 goto opthelp; 1488 } 1489 if (noservername) { 1490 if (servername != NULL) { 1491 BIO_printf(bio_err, 1492 "%s: Can't use -servername and -noservername together\n", 1493 prog); 1494 goto opthelp; 1495 } 1496 if (dane_tlsa_domain != NULL) { 1497 BIO_printf(bio_err, 1498 "%s: Can't use -dane_tlsa_domain and -noservername together\n", 1499 prog); 1500 goto opthelp; 1501 } 1502 } 1503 1504#ifndef OPENSSL_NO_NEXTPROTONEG 1505 if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) { 1506 BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n"); 1507 goto opthelp; 1508 } 1509#endif 1510 1511 if (connectstr != NULL) { 1512 int res; 1513 char *tmp_host = host, *tmp_port = port; 1514 1515 res = BIO_parse_hostserv(connectstr, &host, &port, BIO_PARSE_PRIO_HOST); 1516 if (tmp_host != host) 1517 OPENSSL_free(tmp_host); 1518 if (tmp_port != port) 1519 OPENSSL_free(tmp_port); 1520 if (!res) { 1521 BIO_printf(bio_err, 1522 "%s: -connect argument or target parameter malformed or ambiguous\n", 1523 prog); 1524 goto end; 1525 } 1526 } 1527 1528 if (proxystr != NULL) { 1529 int res; 1530 char *tmp_host = host, *tmp_port = port; 1531 1532 if (host == NULL || port == NULL) { 1533 BIO_printf(bio_err, "%s: -proxy requires use of -connect or target parameter\n", prog); 1534 goto opthelp; 1535 } 1536 1537 if (servername == NULL && !noservername) { 1538 servername = sname_alloc = OPENSSL_strdup(host); 1539 if (sname_alloc == NULL) { 1540 BIO_printf(bio_err, "%s: out of memory\n", prog); 1541 goto end; 1542 } 1543 } 1544 1545 /* Retain the original target host:port for use in the HTTP proxy connect string */ 1546 thost = OPENSSL_strdup(host); 1547 tport = OPENSSL_strdup(port); 1548 if (thost == NULL || tport == NULL) { 1549 BIO_printf(bio_err, "%s: out of memory\n", prog); 1550 goto end; 1551 } 1552 1553 res = BIO_parse_hostserv(proxystr, &host, &port, BIO_PARSE_PRIO_HOST); 1554 if (tmp_host != host) 1555 OPENSSL_free(tmp_host); 1556 if (tmp_port != port) 1557 OPENSSL_free(tmp_port); 1558 if (!res) { 1559 BIO_printf(bio_err, 1560 "%s: -proxy argument malformed or ambiguous\n", prog); 1561 goto end; 1562 } 1563 } 1564 1565 if (bindstr != NULL) { 1566 int res; 1567 res = BIO_parse_hostserv(bindstr, &bindhost, &bindport, 1568 BIO_PARSE_PRIO_HOST); 1569 if (!res) { 1570 BIO_printf(bio_err, 1571 "%s: -bind argument parameter malformed or ambiguous\n", 1572 prog); 1573 goto end; 1574 } 1575 } 1576 1577#ifdef AF_UNIX 1578 if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { 1579 BIO_printf(bio_err, 1580 "Can't use unix sockets and datagrams together\n"); 1581 goto end; 1582 } 1583#endif 1584 1585#ifndef OPENSSL_NO_SCTP 1586 if (protocol == IPPROTO_SCTP) { 1587 if (socket_type != SOCK_DGRAM) { 1588 BIO_printf(bio_err, "Can't use -sctp without DTLS\n"); 1589 goto end; 1590 } 1591 /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */ 1592 socket_type = SOCK_STREAM; 1593 } 1594#endif 1595 1596#if !defined(OPENSSL_NO_NEXTPROTONEG) 1597 next_proto.status = -1; 1598 if (next_proto_neg_in) { 1599 next_proto.data = 1600 next_protos_parse(&next_proto.len, next_proto_neg_in); 1601 if (next_proto.data == NULL) { 1602 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1603 goto end; 1604 } 1605 } else 1606 next_proto.data = NULL; 1607#endif 1608 1609 if (!app_passwd(passarg, NULL, &pass, NULL)) { 1610 BIO_printf(bio_err, "Error getting private key password\n"); 1611 goto end; 1612 } 1613 1614 if (!app_passwd(proxypassarg, NULL, &proxypass, NULL)) { 1615 BIO_printf(bio_err, "Error getting proxy password\n"); 1616 goto end; 1617 } 1618 1619 if (proxypass != NULL && proxyuser == NULL) { 1620 BIO_printf(bio_err, "Error: Must specify proxy_user with proxy_pass\n"); 1621 goto end; 1622 } 1623 1624 if (key_file == NULL) 1625 key_file = cert_file; 1626 1627 if (key_file != NULL) { 1628 key = load_key(key_file, key_format, 0, pass, e, 1629 "client certificate private key"); 1630 if (key == NULL) 1631 goto end; 1632 } 1633 1634 if (cert_file != NULL) { 1635 cert = load_cert_pass(cert_file, cert_format, 1, pass, 1636 "client certificate"); 1637 if (cert == NULL) 1638 goto end; 1639 } 1640 1641 if (chain_file != NULL) { 1642 if (!load_certs(chain_file, 0, &chain, pass, "client certificate chain")) 1643 goto end; 1644 } 1645 1646 if (crl_file != NULL) { 1647 X509_CRL *crl; 1648 crl = load_crl(crl_file, crl_format, 0, "CRL"); 1649 if (crl == NULL) 1650 goto end; 1651 crls = sk_X509_CRL_new_null(); 1652 if (crls == NULL || !sk_X509_CRL_push(crls, crl)) { 1653 BIO_puts(bio_err, "Error adding CRL\n"); 1654 ERR_print_errors(bio_err); 1655 X509_CRL_free(crl); 1656 goto end; 1657 } 1658 } 1659 1660 if (!load_excert(&exc)) 1661 goto end; 1662 1663 if (bio_c_out == NULL) { 1664 if (c_quiet && !c_debug) { 1665 bio_c_out = BIO_new(BIO_s_null()); 1666 if (c_msg && bio_c_msg == NULL) { 1667 bio_c_msg = dup_bio_out(FORMAT_TEXT); 1668 if (bio_c_msg == NULL) { 1669 BIO_printf(bio_err, "Out of memory\n"); 1670 goto end; 1671 } 1672 } 1673 } else { 1674 bio_c_out = dup_bio_out(FORMAT_TEXT); 1675 } 1676 1677 if (bio_c_out == NULL) { 1678 BIO_printf(bio_err, "Unable to create BIO\n"); 1679 goto end; 1680 } 1681 } 1682#ifndef OPENSSL_NO_SRP 1683 if (!app_passwd(srppass, NULL, &srp_arg.srppassin, NULL)) { 1684 BIO_printf(bio_err, "Error getting password\n"); 1685 goto end; 1686 } 1687#endif 1688 1689 ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth); 1690 if (ctx == NULL) { 1691 ERR_print_errors(bio_err); 1692 goto end; 1693 } 1694 1695 SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY); 1696 1697 if (sdebug) 1698 ssl_ctx_security_debug(ctx, sdebug); 1699 1700 if (!config_ctx(cctx, ssl_args, ctx)) 1701 goto end; 1702 1703 if (ssl_config != NULL) { 1704 if (SSL_CTX_config(ctx, ssl_config) == 0) { 1705 BIO_printf(bio_err, "Error using configuration \"%s\"\n", 1706 ssl_config); 1707 ERR_print_errors(bio_err); 1708 goto end; 1709 } 1710 } 1711 1712#ifndef OPENSSL_NO_SCTP 1713 if (protocol == IPPROTO_SCTP && sctp_label_bug == 1) 1714 SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); 1715#endif 1716 1717 if (min_version != 0 1718 && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) 1719 goto end; 1720 if (max_version != 0 1721 && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) 1722 goto end; 1723 1724 if (ignore_unexpected_eof) 1725 SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF); 1726 1727 if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { 1728 BIO_printf(bio_err, "Error setting verify params\n"); 1729 ERR_print_errors(bio_err); 1730 goto end; 1731 } 1732 1733 if (async) { 1734 SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); 1735 } 1736 1737 if (max_send_fragment > 0 1738 && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) { 1739 BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n", 1740 prog, max_send_fragment); 1741 goto end; 1742 } 1743 1744 if (split_send_fragment > 0 1745 && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) { 1746 BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n", 1747 prog, split_send_fragment); 1748 goto end; 1749 } 1750 1751 if (max_pipelines > 0 1752 && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) { 1753 BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n", 1754 prog, max_pipelines); 1755 goto end; 1756 } 1757 1758 if (read_buf_len > 0) { 1759 SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); 1760 } 1761 1762 if (maxfraglen > 0 1763 && !SSL_CTX_set_tlsext_max_fragment_length(ctx, maxfraglen)) { 1764 BIO_printf(bio_err, 1765 "%s: Max Fragment Length code %u is out of permitted values" 1766 "\n", prog, maxfraglen); 1767 goto end; 1768 } 1769 1770 if (!ssl_load_stores(ctx, 1771 vfyCApath, vfyCAfile, vfyCAstore, 1772 chCApath, chCAfile, chCAstore, 1773 crls, crl_download)) { 1774 BIO_printf(bio_err, "Error loading store locations\n"); 1775 ERR_print_errors(bio_err); 1776 goto end; 1777 } 1778 if (ReqCAfile != NULL) { 1779 STACK_OF(X509_NAME) *nm = sk_X509_NAME_new_null(); 1780 1781 if (nm == NULL || !SSL_add_file_cert_subjects_to_stack(nm, ReqCAfile)) { 1782 sk_X509_NAME_pop_free(nm, X509_NAME_free); 1783 BIO_printf(bio_err, "Error loading CA names\n"); 1784 ERR_print_errors(bio_err); 1785 goto end; 1786 } 1787 SSL_CTX_set0_CA_list(ctx, nm); 1788 } 1789#ifndef OPENSSL_NO_ENGINE 1790 if (ssl_client_engine) { 1791 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) { 1792 BIO_puts(bio_err, "Error setting client auth engine\n"); 1793 ERR_print_errors(bio_err); 1794 release_engine(ssl_client_engine); 1795 goto end; 1796 } 1797 release_engine(ssl_client_engine); 1798 } 1799#endif 1800 1801#ifndef OPENSSL_NO_PSK 1802 if (psk_key != NULL) { 1803 if (c_debug) 1804 BIO_printf(bio_c_out, "PSK key given, setting client callback\n"); 1805 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1806 } 1807#endif 1808 if (psksessf != NULL) { 1809 BIO *stmp = BIO_new_file(psksessf, "r"); 1810 1811 if (stmp == NULL) { 1812 BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf); 1813 ERR_print_errors(bio_err); 1814 goto end; 1815 } 1816 psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1817 BIO_free(stmp); 1818 if (psksess == NULL) { 1819 BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf); 1820 ERR_print_errors(bio_err); 1821 goto end; 1822 } 1823 } 1824 if (psk_key != NULL || psksess != NULL) 1825 SSL_CTX_set_psk_use_session_callback(ctx, psk_use_session_cb); 1826 1827#ifndef OPENSSL_NO_SRTP 1828 if (srtp_profiles != NULL) { 1829 /* Returns 0 on success! */ 1830 if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { 1831 BIO_printf(bio_err, "Error setting SRTP profile\n"); 1832 ERR_print_errors(bio_err); 1833 goto end; 1834 } 1835 } 1836#endif 1837 1838 if (exc != NULL) 1839 ssl_ctx_set_excert(ctx, exc); 1840 1841#if !defined(OPENSSL_NO_NEXTPROTONEG) 1842 if (next_proto.data != NULL) 1843 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1844#endif 1845 if (alpn_in) { 1846 size_t alpn_len; 1847 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in); 1848 1849 if (alpn == NULL) { 1850 BIO_printf(bio_err, "Error parsing -alpn argument\n"); 1851 goto end; 1852 } 1853 /* Returns 0 on success! */ 1854 if (SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len) != 0) { 1855 BIO_printf(bio_err, "Error setting ALPN\n"); 1856 goto end; 1857 } 1858 OPENSSL_free(alpn); 1859 } 1860 1861 for (i = 0; i < serverinfo_count; i++) { 1862 if (!SSL_CTX_add_client_custom_ext(ctx, 1863 serverinfo_types[i], 1864 NULL, NULL, NULL, 1865 serverinfo_cli_parse_cb, NULL)) { 1866 BIO_printf(bio_err, 1867 "Warning: Unable to add custom extension %u, skipping\n", 1868 serverinfo_types[i]); 1869 } 1870 } 1871 1872 if (state) 1873 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1874 1875#ifndef OPENSSL_NO_CT 1876 /* Enable SCT processing, without early connection termination */ 1877 if (ct_validation && 1878 !SSL_CTX_enable_ct(ctx, SSL_CT_VALIDATION_PERMISSIVE)) { 1879 ERR_print_errors(bio_err); 1880 goto end; 1881 } 1882 1883 if (!ctx_set_ctlog_list_file(ctx, ctlog_file)) { 1884 if (ct_validation) { 1885 ERR_print_errors(bio_err); 1886 goto end; 1887 } 1888 1889 /* 1890 * If CT validation is not enabled, the log list isn't needed so don't 1891 * show errors or abort. We try to load it regardless because then we 1892 * can show the names of the logs any SCTs came from (SCTs may be seen 1893 * even with validation disabled). 1894 */ 1895 ERR_clear_error(); 1896 } 1897#endif 1898 1899 SSL_CTX_set_verify(ctx, verify, verify_callback); 1900 1901 if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath, 1902 CAstore, noCAstore)) { 1903 ERR_print_errors(bio_err); 1904 goto end; 1905 } 1906 1907 ssl_ctx_add_crls(ctx, crls, crl_download); 1908 1909 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain)) 1910 goto end; 1911 1912 if (!noservername) { 1913 tlsextcbp.biodebug = bio_err; 1914 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1915 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1916 } 1917#ifndef OPENSSL_NO_SRP 1918 if (srp_arg.srplogin != NULL 1919 && !set_up_srp_arg(ctx, &srp_arg, srp_lateuser, c_msg, c_debug)) 1920 goto end; 1921# endif 1922 1923 if (dane_tlsa_domain != NULL) { 1924 if (SSL_CTX_dane_enable(ctx) <= 0) { 1925 BIO_printf(bio_err, 1926 "%s: Error enabling DANE TLSA authentication.\n", 1927 prog); 1928 ERR_print_errors(bio_err); 1929 goto end; 1930 } 1931 } 1932 1933 /* 1934 * In TLSv1.3 NewSessionTicket messages arrive after the handshake and can 1935 * come at any time. Therefore we use a callback to write out the session 1936 * when we know about it. This approach works for < TLSv1.3 as well. 1937 */ 1938 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_CLIENT 1939 | SSL_SESS_CACHE_NO_INTERNAL_STORE); 1940 SSL_CTX_sess_set_new_cb(ctx, new_session_cb); 1941 1942 if (set_keylog_file(ctx, keylog_file)) 1943 goto end; 1944 1945 con = SSL_new(ctx); 1946 if (con == NULL) 1947 goto end; 1948 1949 if (enable_pha) 1950 SSL_set_post_handshake_auth(con, 1); 1951 1952 if (sess_in != NULL) { 1953 SSL_SESSION *sess; 1954 BIO *stmp = BIO_new_file(sess_in, "r"); 1955 if (stmp == NULL) { 1956 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1957 ERR_print_errors(bio_err); 1958 goto end; 1959 } 1960 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1961 BIO_free(stmp); 1962 if (sess == NULL) { 1963 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1964 ERR_print_errors(bio_err); 1965 goto end; 1966 } 1967 if (!SSL_set_session(con, sess)) { 1968 BIO_printf(bio_err, "Can't set session\n"); 1969 ERR_print_errors(bio_err); 1970 goto end; 1971 } 1972 1973 SSL_SESSION_free(sess); 1974 } 1975 1976 if (fallback_scsv) 1977 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1978 1979 if (!noservername && (servername != NULL || dane_tlsa_domain == NULL)) { 1980 if (servername == NULL) { 1981 if(host == NULL || is_dNS_name(host)) 1982 servername = (host == NULL) ? "localhost" : host; 1983 } 1984 if (servername != NULL && !SSL_set_tlsext_host_name(con, servername)) { 1985 BIO_printf(bio_err, "Unable to set TLS servername extension.\n"); 1986 ERR_print_errors(bio_err); 1987 goto end; 1988 } 1989 } 1990 1991 if (dane_tlsa_domain != NULL) { 1992 if (SSL_dane_enable(con, dane_tlsa_domain) <= 0) { 1993 BIO_printf(bio_err, "%s: Error enabling DANE TLSA " 1994 "authentication.\n", prog); 1995 ERR_print_errors(bio_err); 1996 goto end; 1997 } 1998 if (dane_tlsa_rrset == NULL) { 1999 BIO_printf(bio_err, "%s: DANE TLSA authentication requires at " 2000 "least one -dane_tlsa_rrdata option.\n", prog); 2001 goto end; 2002 } 2003 if (tlsa_import_rrset(con, dane_tlsa_rrset) <= 0) { 2004 BIO_printf(bio_err, "%s: Failed to import any TLSA " 2005 "records.\n", prog); 2006 goto end; 2007 } 2008 if (dane_ee_no_name) 2009 SSL_dane_set_flags(con, DANE_FLAG_NO_DANE_EE_NAMECHECKS); 2010 } else if (dane_tlsa_rrset != NULL) { 2011 BIO_printf(bio_err, "%s: DANE TLSA authentication requires the " 2012 "-dane_tlsa_domain option.\n", prog); 2013 goto end; 2014 } 2015 2016 re_start: 2017 if (init_client(&sock, host, port, bindhost, bindport, socket_family, 2018 socket_type, protocol) == 0) { 2019 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error()); 2020 BIO_closesocket(sock); 2021 goto end; 2022 } 2023 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", sock); 2024 2025 if (c_nbio) { 2026 if (!BIO_socket_nbio(sock, 1)) { 2027 ERR_print_errors(bio_err); 2028 goto end; 2029 } 2030 BIO_printf(bio_c_out, "Turned on non blocking io\n"); 2031 } 2032#ifndef OPENSSL_NO_DTLS 2033 if (isdtls) { 2034 union BIO_sock_info_u peer_info; 2035 2036#ifndef OPENSSL_NO_SCTP 2037 if (protocol == IPPROTO_SCTP) 2038 sbio = BIO_new_dgram_sctp(sock, BIO_NOCLOSE); 2039 else 2040#endif 2041 sbio = BIO_new_dgram(sock, BIO_NOCLOSE); 2042 2043 if (sbio == NULL || (peer_info.addr = BIO_ADDR_new()) == NULL) { 2044 BIO_printf(bio_err, "memory allocation failure\n"); 2045 BIO_free(sbio); 2046 BIO_closesocket(sock); 2047 goto end; 2048 } 2049 if (!BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &peer_info)) { 2050 BIO_printf(bio_err, "getsockname:errno=%d\n", 2051 get_last_socket_error()); 2052 BIO_free(sbio); 2053 BIO_ADDR_free(peer_info.addr); 2054 BIO_closesocket(sock); 2055 goto end; 2056 } 2057 2058 (void)BIO_ctrl_set_connected(sbio, peer_info.addr); 2059 BIO_ADDR_free(peer_info.addr); 2060 peer_info.addr = NULL; 2061 2062 if (enable_timeouts) { 2063 timeout.tv_sec = 0; 2064 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2065 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2066 2067 timeout.tv_sec = 0; 2068 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2069 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2070 } 2071 2072 if (socket_mtu) { 2073 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2074 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2075 DTLS_get_link_min_mtu(con)); 2076 BIO_free(sbio); 2077 goto shut; 2078 } 2079 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2080 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2081 BIO_printf(bio_err, "Failed to set MTU\n"); 2082 BIO_free(sbio); 2083 goto shut; 2084 } 2085 } else { 2086 /* want to do MTU discovery */ 2087 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2088 } 2089 } else 2090#endif /* OPENSSL_NO_DTLS */ 2091 sbio = BIO_new_socket(sock, BIO_NOCLOSE); 2092 2093 if (sbio == NULL) { 2094 BIO_printf(bio_err, "Unable to create BIO\n"); 2095 ERR_print_errors(bio_err); 2096 BIO_closesocket(sock); 2097 goto end; 2098 } 2099 2100 if (nbio_test) { 2101 BIO *test; 2102 2103 test = BIO_new(BIO_f_nbio_test()); 2104 if (test == NULL) { 2105 BIO_printf(bio_err, "Unable to create BIO\n"); 2106 BIO_free(sbio); 2107 goto shut; 2108 } 2109 sbio = BIO_push(test, sbio); 2110 } 2111 2112 if (c_debug) { 2113 BIO_set_callback_ex(sbio, bio_dump_callback); 2114 BIO_set_callback_arg(sbio, (char *)bio_c_out); 2115 } 2116 if (c_msg) { 2117#ifndef OPENSSL_NO_SSL_TRACE 2118 if (c_msg == 2) 2119 SSL_set_msg_callback(con, SSL_trace); 2120 else 2121#endif 2122 SSL_set_msg_callback(con, msg_cb); 2123 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out); 2124 } 2125 2126 if (c_tlsextdebug) { 2127 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2128 SSL_set_tlsext_debug_arg(con, bio_c_out); 2129 } 2130#ifndef OPENSSL_NO_OCSP 2131 if (c_status_req) { 2132 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 2133 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 2134 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 2135 } 2136#endif 2137 2138 SSL_set_bio(con, sbio, sbio); 2139 SSL_set_connect_state(con); 2140 2141 /* ok, lets connect */ 2142 if (fileno_stdin() > SSL_get_fd(con)) 2143 width = fileno_stdin() + 1; 2144 else 2145 width = SSL_get_fd(con) + 1; 2146 2147 read_tty = 1; 2148 write_tty = 0; 2149 tty_on = 0; 2150 read_ssl = 1; 2151 write_ssl = 1; 2152 2153 cbuf_len = 0; 2154 cbuf_off = 0; 2155 sbuf_len = 0; 2156 sbuf_off = 0; 2157 2158 if (proxystr != NULL) { 2159 /* Here we must use the connect string target host & port */ 2160 if (!OSSL_HTTP_proxy_connect(sbio, thost, tport, proxyuser, proxypass, 2161 0 /* no timeout */, bio_err, prog)) 2162 goto shut; 2163 } 2164 2165 switch ((PROTOCOL_CHOICE) starttls_proto) { 2166 case PROTO_OFF: 2167 break; 2168 case PROTO_LMTP: 2169 case PROTO_SMTP: 2170 { 2171 /* 2172 * This is an ugly hack that does a lot of assumptions. We do 2173 * have to handle multi-line responses which may come in a single 2174 * packet or not. We therefore have to use BIO_gets() which does 2175 * need a buffering BIO. So during the initial chitchat we do 2176 * push a buffering BIO into the chain that is removed again 2177 * later on to not disturb the rest of the s_client operation. 2178 */ 2179 int foundit = 0; 2180 BIO *fbio = BIO_new(BIO_f_buffer()); 2181 2182 if (fbio == NULL) { 2183 BIO_printf(bio_err, "Unable to create BIO\n"); 2184 goto shut; 2185 } 2186 BIO_push(fbio, sbio); 2187 /* Wait for multi-line response to end from LMTP or SMTP */ 2188 do { 2189 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2190 } while (mbuf_len > 3 && mbuf[3] == '-'); 2191 if (protohost == NULL) 2192 protohost = "mail.example.com"; 2193 if (starttls_proto == (int)PROTO_LMTP) 2194 BIO_printf(fbio, "LHLO %s\r\n", protohost); 2195 else 2196 BIO_printf(fbio, "EHLO %s\r\n", protohost); 2197 (void)BIO_flush(fbio); 2198 /* 2199 * Wait for multi-line response to end LHLO LMTP or EHLO SMTP 2200 * response. 2201 */ 2202 do { 2203 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2204 if (strstr(mbuf, "STARTTLS")) 2205 foundit = 1; 2206 } while (mbuf_len > 3 && mbuf[3] == '-'); 2207 (void)BIO_flush(fbio); 2208 BIO_pop(fbio); 2209 BIO_free(fbio); 2210 if (!foundit) 2211 BIO_printf(bio_err, 2212 "Didn't find STARTTLS in server response," 2213 " trying anyway...\n"); 2214 BIO_printf(sbio, "STARTTLS\r\n"); 2215 BIO_read(sbio, sbuf, BUFSIZZ); 2216 } 2217 break; 2218 case PROTO_POP3: 2219 { 2220 BIO_read(sbio, mbuf, BUFSIZZ); 2221 BIO_printf(sbio, "STLS\r\n"); 2222 mbuf_len = BIO_read(sbio, sbuf, BUFSIZZ); 2223 if (mbuf_len < 0) { 2224 BIO_printf(bio_err, "BIO_read failed\n"); 2225 goto end; 2226 } 2227 } 2228 break; 2229 case PROTO_IMAP: 2230 { 2231 int foundit = 0; 2232 BIO *fbio = BIO_new(BIO_f_buffer()); 2233 2234 if (fbio == NULL) { 2235 BIO_printf(bio_err, "Unable to create BIO\n"); 2236 goto shut; 2237 } 2238 BIO_push(fbio, sbio); 2239 BIO_gets(fbio, mbuf, BUFSIZZ); 2240 /* STARTTLS command requires CAPABILITY... */ 2241 BIO_printf(fbio, ". CAPABILITY\r\n"); 2242 (void)BIO_flush(fbio); 2243 /* wait for multi-line CAPABILITY response */ 2244 do { 2245 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2246 if (strstr(mbuf, "STARTTLS")) 2247 foundit = 1; 2248 } 2249 while (mbuf_len > 3 && mbuf[0] != '.'); 2250 (void)BIO_flush(fbio); 2251 BIO_pop(fbio); 2252 BIO_free(fbio); 2253 if (!foundit) 2254 BIO_printf(bio_err, 2255 "Didn't find STARTTLS in server response," 2256 " trying anyway...\n"); 2257 BIO_printf(sbio, ". STARTTLS\r\n"); 2258 BIO_read(sbio, sbuf, BUFSIZZ); 2259 } 2260 break; 2261 case PROTO_FTP: 2262 { 2263 BIO *fbio = BIO_new(BIO_f_buffer()); 2264 2265 if (fbio == NULL) { 2266 BIO_printf(bio_err, "Unable to create BIO\n"); 2267 goto shut; 2268 } 2269 BIO_push(fbio, sbio); 2270 /* wait for multi-line response to end from FTP */ 2271 do { 2272 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2273 } 2274 while (mbuf_len > 3 && (!isdigit(mbuf[0]) || !isdigit(mbuf[1]) || !isdigit(mbuf[2]) || mbuf[3] != ' ')); 2275 (void)BIO_flush(fbio); 2276 BIO_pop(fbio); 2277 BIO_free(fbio); 2278 BIO_printf(sbio, "AUTH TLS\r\n"); 2279 BIO_read(sbio, sbuf, BUFSIZZ); 2280 } 2281 break; 2282 case PROTO_XMPP: 2283 case PROTO_XMPP_SERVER: 2284 { 2285 int seen = 0; 2286 BIO_printf(sbio, "<stream:stream " 2287 "xmlns:stream='http://etherx.jabber.org/streams' " 2288 "xmlns='jabber:%s' to='%s' version='1.0'>", 2289 starttls_proto == PROTO_XMPP ? "client" : "server", 2290 protohost ? protohost : host); 2291 seen = BIO_read(sbio, mbuf, BUFSIZZ); 2292 if (seen < 0) { 2293 BIO_printf(bio_err, "BIO_read failed\n"); 2294 goto end; 2295 } 2296 mbuf[seen] = '\0'; 2297 while (!strstr 2298 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") 2299 && !strstr(mbuf, 2300 "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) 2301 { 2302 seen = BIO_read(sbio, mbuf, BUFSIZZ); 2303 2304 if (seen <= 0) 2305 goto shut; 2306 2307 mbuf[seen] = '\0'; 2308 } 2309 BIO_printf(sbio, 2310 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 2311 seen = BIO_read(sbio, sbuf, BUFSIZZ); 2312 if (seen < 0) { 2313 BIO_printf(bio_err, "BIO_read failed\n"); 2314 goto shut; 2315 } 2316 sbuf[seen] = '\0'; 2317 if (!strstr(sbuf, "<proceed")) 2318 goto shut; 2319 mbuf[0] = '\0'; 2320 } 2321 break; 2322 case PROTO_TELNET: 2323 { 2324 static const unsigned char tls_do[] = { 2325 /* IAC DO START_TLS */ 2326 255, 253, 46 2327 }; 2328 static const unsigned char tls_will[] = { 2329 /* IAC WILL START_TLS */ 2330 255, 251, 46 2331 }; 2332 static const unsigned char tls_follows[] = { 2333 /* IAC SB START_TLS FOLLOWS IAC SE */ 2334 255, 250, 46, 1, 255, 240 2335 }; 2336 int bytes; 2337 2338 /* Telnet server should demand we issue START_TLS */ 2339 bytes = BIO_read(sbio, mbuf, BUFSIZZ); 2340 if (bytes != 3 || memcmp(mbuf, tls_do, 3) != 0) 2341 goto shut; 2342 /* Agree to issue START_TLS and send the FOLLOWS sub-command */ 2343 BIO_write(sbio, tls_will, 3); 2344 BIO_write(sbio, tls_follows, 6); 2345 (void)BIO_flush(sbio); 2346 /* Telnet server also sent the FOLLOWS sub-command */ 2347 bytes = BIO_read(sbio, mbuf, BUFSIZZ); 2348 if (bytes != 6 || memcmp(mbuf, tls_follows, 6) != 0) 2349 goto shut; 2350 } 2351 break; 2352 case PROTO_IRC: 2353 { 2354 int numeric; 2355 BIO *fbio = BIO_new(BIO_f_buffer()); 2356 2357 if (fbio == NULL) { 2358 BIO_printf(bio_err, "Unable to create BIO\n"); 2359 goto end; 2360 } 2361 BIO_push(fbio, sbio); 2362 BIO_printf(fbio, "STARTTLS\r\n"); 2363 (void)BIO_flush(fbio); 2364 width = SSL_get_fd(con) + 1; 2365 2366 do { 2367 numeric = 0; 2368 2369 FD_ZERO(&readfds); 2370 openssl_fdset(SSL_get_fd(con), &readfds); 2371 timeout.tv_sec = S_CLIENT_IRC_READ_TIMEOUT; 2372 timeout.tv_usec = 0; 2373 /* 2374 * If the IRCd doesn't respond within 2375 * S_CLIENT_IRC_READ_TIMEOUT seconds, assume 2376 * it doesn't support STARTTLS. Many IRCds 2377 * will not give _any_ sort of response to a 2378 * STARTTLS command when it's not supported. 2379 */ 2380 if (!BIO_get_buffer_num_lines(fbio) 2381 && !BIO_pending(fbio) 2382 && !BIO_pending(sbio) 2383 && select(width, (void *)&readfds, NULL, NULL, 2384 &timeout) < 1) { 2385 BIO_printf(bio_err, 2386 "Timeout waiting for response (%d seconds).\n", 2387 S_CLIENT_IRC_READ_TIMEOUT); 2388 break; 2389 } 2390 2391 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2392 if (mbuf_len < 1 || sscanf(mbuf, "%*s %d", &numeric) != 1) 2393 break; 2394 /* :example.net 451 STARTTLS :You have not registered */ 2395 /* :example.net 421 STARTTLS :Unknown command */ 2396 if ((numeric == 451 || numeric == 421) 2397 && strstr(mbuf, "STARTTLS") != NULL) { 2398 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf); 2399 break; 2400 } 2401 if (numeric == 691) { 2402 BIO_printf(bio_err, "STARTTLS negotiation failed: "); 2403 ERR_print_errors(bio_err); 2404 break; 2405 } 2406 } while (numeric != 670); 2407 2408 (void)BIO_flush(fbio); 2409 BIO_pop(fbio); 2410 BIO_free(fbio); 2411 if (numeric != 670) { 2412 BIO_printf(bio_err, "Server does not support STARTTLS.\n"); 2413 ret = 1; 2414 goto shut; 2415 } 2416 } 2417 break; 2418 case PROTO_MYSQL: 2419 { 2420 /* SSL request packet */ 2421 static const unsigned char ssl_req[] = { 2422 /* payload_length, sequence_id */ 2423 0x20, 0x00, 0x00, 0x01, 2424 /* payload */ 2425 /* capability flags, CLIENT_SSL always set */ 2426 0x85, 0xae, 0x7f, 0x00, 2427 /* max-packet size */ 2428 0x00, 0x00, 0x00, 0x01, 2429 /* character set */ 2430 0x21, 2431 /* string[23] reserved (all [0]) */ 2432 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 2433 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 2434 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 2435 }; 2436 int bytes = 0; 2437 int ssl_flg = 0x800; 2438 int pos; 2439 const unsigned char *packet = (const unsigned char *)sbuf; 2440 2441 /* Receiving Initial Handshake packet. */ 2442 bytes = BIO_read(sbio, (void *)packet, BUFSIZZ); 2443 if (bytes < 0) { 2444 BIO_printf(bio_err, "BIO_read failed\n"); 2445 goto shut; 2446 /* Packet length[3], Packet number[1] + minimum payload[17] */ 2447 } else if (bytes < 21) { 2448 BIO_printf(bio_err, "MySQL packet too short.\n"); 2449 goto shut; 2450 } else if (bytes != (4 + packet[0] + 2451 (packet[1] << 8) + 2452 (packet[2] << 16))) { 2453 BIO_printf(bio_err, "MySQL packet length does not match.\n"); 2454 goto shut; 2455 /* protocol version[1] */ 2456 } else if (packet[4] != 0xA) { 2457 BIO_printf(bio_err, 2458 "Only MySQL protocol version 10 is supported.\n"); 2459 goto shut; 2460 } 2461 2462 pos = 5; 2463 /* server version[string+NULL] */ 2464 for (;;) { 2465 if (pos >= bytes) { 2466 BIO_printf(bio_err, "Cannot confirm server version. "); 2467 goto shut; 2468 } else if (packet[pos++] == '\0') { 2469 break; 2470 } 2471 } 2472 2473 /* make sure we have at least 15 bytes left in the packet */ 2474 if (pos + 15 > bytes) { 2475 BIO_printf(bio_err, 2476 "MySQL server handshake packet is broken.\n"); 2477 goto shut; 2478 } 2479 2480 pos += 12; /* skip over conn id[4] + SALT[8] */ 2481 if (packet[pos++] != '\0') { /* verify filler */ 2482 BIO_printf(bio_err, 2483 "MySQL packet is broken.\n"); 2484 goto shut; 2485 } 2486 2487 /* capability flags[2] */ 2488 if (!((packet[pos] + (packet[pos + 1] << 8)) & ssl_flg)) { 2489 BIO_printf(bio_err, "MySQL server does not support SSL.\n"); 2490 goto shut; 2491 } 2492 2493 /* Sending SSL Handshake packet. */ 2494 BIO_write(sbio, ssl_req, sizeof(ssl_req)); 2495 (void)BIO_flush(sbio); 2496 } 2497 break; 2498 case PROTO_POSTGRES: 2499 { 2500 static const unsigned char ssl_request[] = { 2501 /* Length SSLRequest */ 2502 0, 0, 0, 8, 4, 210, 22, 47 2503 }; 2504 int bytes; 2505 2506 /* Send SSLRequest packet */ 2507 BIO_write(sbio, ssl_request, 8); 2508 (void)BIO_flush(sbio); 2509 2510 /* Reply will be a single S if SSL is enabled */ 2511 bytes = BIO_read(sbio, sbuf, BUFSIZZ); 2512 if (bytes != 1 || sbuf[0] != 'S') 2513 goto shut; 2514 } 2515 break; 2516 case PROTO_NNTP: 2517 { 2518 int foundit = 0; 2519 BIO *fbio = BIO_new(BIO_f_buffer()); 2520 2521 if (fbio == NULL) { 2522 BIO_printf(bio_err, "Unable to create BIO\n"); 2523 goto end; 2524 } 2525 BIO_push(fbio, sbio); 2526 BIO_gets(fbio, mbuf, BUFSIZZ); 2527 /* STARTTLS command requires CAPABILITIES... */ 2528 BIO_printf(fbio, "CAPABILITIES\r\n"); 2529 (void)BIO_flush(fbio); 2530 BIO_gets(fbio, mbuf, BUFSIZZ); 2531 /* no point in trying to parse the CAPABILITIES response if there is none */ 2532 if (strstr(mbuf, "101") != NULL) { 2533 /* wait for multi-line CAPABILITIES response */ 2534 do { 2535 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2536 if (strstr(mbuf, "STARTTLS")) 2537 foundit = 1; 2538 } while (mbuf_len > 1 && mbuf[0] != '.'); 2539 } 2540 (void)BIO_flush(fbio); 2541 BIO_pop(fbio); 2542 BIO_free(fbio); 2543 if (!foundit) 2544 BIO_printf(bio_err, 2545 "Didn't find STARTTLS in server response," 2546 " trying anyway...\n"); 2547 BIO_printf(sbio, "STARTTLS\r\n"); 2548 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); 2549 if (mbuf_len < 0) { 2550 BIO_printf(bio_err, "BIO_read failed\n"); 2551 goto end; 2552 } 2553 mbuf[mbuf_len] = '\0'; 2554 if (strstr(mbuf, "382") == NULL) { 2555 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf); 2556 goto shut; 2557 } 2558 } 2559 break; 2560 case PROTO_SIEVE: 2561 { 2562 int foundit = 0; 2563 BIO *fbio = BIO_new(BIO_f_buffer()); 2564 2565 if (fbio == NULL) { 2566 BIO_printf(bio_err, "Unable to create BIO\n"); 2567 goto end; 2568 } 2569 BIO_push(fbio, sbio); 2570 /* wait for multi-line response to end from Sieve */ 2571 do { 2572 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 2573 /* 2574 * According to RFC 5804 § 1.7, capability 2575 * is case-insensitive, make it uppercase 2576 */ 2577 if (mbuf_len > 1 && mbuf[0] == '"') { 2578 make_uppercase(mbuf); 2579 if (strncmp(mbuf, "\"STARTTLS\"", 10) == 0) 2580 foundit = 1; 2581 } 2582 } while (mbuf_len > 1 && mbuf[0] == '"'); 2583 (void)BIO_flush(fbio); 2584 BIO_pop(fbio); 2585 BIO_free(fbio); 2586 if (!foundit) 2587 BIO_printf(bio_err, 2588 "Didn't find STARTTLS in server response," 2589 " trying anyway...\n"); 2590 BIO_printf(sbio, "STARTTLS\r\n"); 2591 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); 2592 if (mbuf_len < 0) { 2593 BIO_printf(bio_err, "BIO_read failed\n"); 2594 goto end; 2595 } 2596 mbuf[mbuf_len] = '\0'; 2597 if (mbuf_len < 2) { 2598 BIO_printf(bio_err, "STARTTLS failed: %s", mbuf); 2599 goto shut; 2600 } 2601 /* 2602 * According to RFC 5804 § 2.2, response codes are case- 2603 * insensitive, make it uppercase but preserve the response. 2604 */ 2605 strncpy(sbuf, mbuf, 2); 2606 make_uppercase(sbuf); 2607 if (strncmp(sbuf, "OK", 2) != 0) { 2608 BIO_printf(bio_err, "STARTTLS not supported: %s", mbuf); 2609 goto shut; 2610 } 2611 } 2612 break; 2613 case PROTO_LDAP: 2614 { 2615 /* StartTLS Operation according to RFC 4511 */ 2616 static char ldap_tls_genconf[] = "asn1=SEQUENCE:LDAPMessage\n" 2617 "[LDAPMessage]\n" 2618 "messageID=INTEGER:1\n" 2619 "extendedReq=EXPLICIT:23A,IMPLICIT:0C," 2620 "FORMAT:ASCII,OCT:1.3.6.1.4.1.1466.20037\n"; 2621 long errline = -1; 2622 char *genstr = NULL; 2623 int result = -1; 2624 ASN1_TYPE *atyp = NULL; 2625 BIO *ldapbio = BIO_new(BIO_s_mem()); 2626 CONF *cnf = NCONF_new(NULL); 2627 2628 if (ldapbio == NULL || cnf == NULL) { 2629 BIO_free(ldapbio); 2630 NCONF_free(cnf); 2631 goto end; 2632 } 2633 BIO_puts(ldapbio, ldap_tls_genconf); 2634 if (NCONF_load_bio(cnf, ldapbio, &errline) <= 0) { 2635 BIO_free(ldapbio); 2636 NCONF_free(cnf); 2637 if (errline <= 0) { 2638 BIO_printf(bio_err, "NCONF_load_bio failed\n"); 2639 goto end; 2640 } else { 2641 BIO_printf(bio_err, "Error on line %ld\n", errline); 2642 goto end; 2643 } 2644 } 2645 BIO_free(ldapbio); 2646 genstr = NCONF_get_string(cnf, "default", "asn1"); 2647 if (genstr == NULL) { 2648 NCONF_free(cnf); 2649 BIO_printf(bio_err, "NCONF_get_string failed\n"); 2650 goto end; 2651 } 2652 atyp = ASN1_generate_nconf(genstr, cnf); 2653 if (atyp == NULL) { 2654 NCONF_free(cnf); 2655 BIO_printf(bio_err, "ASN1_generate_nconf failed\n"); 2656 goto end; 2657 } 2658 NCONF_free(cnf); 2659 2660 /* Send SSLRequest packet */ 2661 BIO_write(sbio, atyp->value.sequence->data, 2662 atyp->value.sequence->length); 2663 (void)BIO_flush(sbio); 2664 ASN1_TYPE_free(atyp); 2665 2666 mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ); 2667 if (mbuf_len < 0) { 2668 BIO_printf(bio_err, "BIO_read failed\n"); 2669 goto end; 2670 } 2671 result = ldap_ExtendedResponse_parse(mbuf, mbuf_len); 2672 if (result < 0) { 2673 BIO_printf(bio_err, "ldap_ExtendedResponse_parse failed\n"); 2674 goto shut; 2675 } else if (result > 0) { 2676 BIO_printf(bio_err, "STARTTLS failed, LDAP Result Code: %i\n", 2677 result); 2678 goto shut; 2679 } 2680 mbuf_len = 0; 2681 } 2682 break; 2683 } 2684 2685 if (early_data_file != NULL 2686 && ((SSL_get0_session(con) != NULL 2687 && SSL_SESSION_get_max_early_data(SSL_get0_session(con)) > 0) 2688 || (psksess != NULL 2689 && SSL_SESSION_get_max_early_data(psksess) > 0))) { 2690 BIO *edfile = BIO_new_file(early_data_file, "r"); 2691 size_t readbytes, writtenbytes; 2692 int finish = 0; 2693 2694 if (edfile == NULL) { 2695 BIO_printf(bio_err, "Cannot open early data file\n"); 2696 goto shut; 2697 } 2698 2699 while (!finish) { 2700 if (!BIO_read_ex(edfile, cbuf, BUFSIZZ, &readbytes)) 2701 finish = 1; 2702 2703 while (!SSL_write_early_data(con, cbuf, readbytes, &writtenbytes)) { 2704 switch (SSL_get_error(con, 0)) { 2705 case SSL_ERROR_WANT_WRITE: 2706 case SSL_ERROR_WANT_ASYNC: 2707 case SSL_ERROR_WANT_READ: 2708 /* Just keep trying - busy waiting */ 2709 continue; 2710 default: 2711 BIO_printf(bio_err, "Error writing early data\n"); 2712 BIO_free(edfile); 2713 ERR_print_errors(bio_err); 2714 goto shut; 2715 } 2716 } 2717 } 2718 2719 BIO_free(edfile); 2720 } 2721 2722 for (;;) { 2723 FD_ZERO(&readfds); 2724 FD_ZERO(&writefds); 2725 2726 if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)) 2727 timeoutp = &timeout; 2728 else 2729 timeoutp = NULL; 2730 2731 if (!SSL_is_init_finished(con) && SSL_total_renegotiations(con) == 0 2732 && SSL_get_key_update_type(con) == SSL_KEY_UPDATE_NONE) { 2733 in_init = 1; 2734 tty_on = 0; 2735 } else { 2736 tty_on = 1; 2737 if (in_init) { 2738 in_init = 0; 2739 if (c_brief) { 2740 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n"); 2741 print_ssl_summary(con); 2742 } 2743 2744 print_stuff(bio_c_out, con, full_log); 2745 if (full_log > 0) 2746 full_log--; 2747 2748 if (starttls_proto) { 2749 BIO_write(bio_err, mbuf, mbuf_len); 2750 /* We don't need to know any more */ 2751 if (!reconnect) 2752 starttls_proto = PROTO_OFF; 2753 } 2754 2755 if (reconnect) { 2756 reconnect--; 2757 BIO_printf(bio_c_out, 2758 "drop connection and then reconnect\n"); 2759 do_ssl_shutdown(con); 2760 SSL_set_connect_state(con); 2761 BIO_closesocket(SSL_get_fd(con)); 2762 goto re_start; 2763 } 2764 } 2765 } 2766 2767 ssl_pending = read_ssl && SSL_has_pending(con); 2768 2769 if (!ssl_pending) { 2770#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 2771 if (tty_on) { 2772 /* 2773 * Note that select() returns when read _would not block_, 2774 * and EOF satisfies that. To avoid a CPU-hogging loop, 2775 * set the flag so we exit. 2776 */ 2777 if (read_tty && !at_eof) 2778 openssl_fdset(fileno_stdin(), &readfds); 2779#if !defined(OPENSSL_SYS_VMS) 2780 if (write_tty) 2781 openssl_fdset(fileno_stdout(), &writefds); 2782#endif 2783 } 2784 if (read_ssl) 2785 openssl_fdset(SSL_get_fd(con), &readfds); 2786 if (write_ssl) 2787 openssl_fdset(SSL_get_fd(con), &writefds); 2788#else 2789 if (!tty_on || !write_tty) { 2790 if (read_ssl) 2791 openssl_fdset(SSL_get_fd(con), &readfds); 2792 if (write_ssl) 2793 openssl_fdset(SSL_get_fd(con), &writefds); 2794 } 2795#endif 2796 2797 /* 2798 * Note: under VMS with SOCKETSHR the second parameter is 2799 * currently of type (int *) whereas under other systems it is 2800 * (void *) if you don't have a cast it will choke the compiler: 2801 * if you do have a cast then you can either go for (int *) or 2802 * (void *). 2803 */ 2804#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 2805 /* 2806 * Under Windows/DOS we make the assumption that we can always 2807 * write to the tty: therefore if we need to write to the tty we 2808 * just fall through. Otherwise we timeout the select every 2809 * second and see if there are any keypresses. Note: this is a 2810 * hack, in a proper Windows application we wouldn't do this. 2811 */ 2812 i = 0; 2813 if (!write_tty) { 2814 if (read_tty) { 2815 tv.tv_sec = 1; 2816 tv.tv_usec = 0; 2817 i = select(width, (void *)&readfds, (void *)&writefds, 2818 NULL, &tv); 2819 if (!i && (!has_stdin_waiting() || !read_tty)) 2820 continue; 2821 } else 2822 i = select(width, (void *)&readfds, (void *)&writefds, 2823 NULL, timeoutp); 2824 } 2825#else 2826 i = select(width, (void *)&readfds, (void *)&writefds, 2827 NULL, timeoutp); 2828#endif 2829 if (i < 0) { 2830 BIO_printf(bio_err, "bad select %d\n", 2831 get_last_socket_error()); 2832 goto shut; 2833 } 2834 } 2835 2836 if (SSL_is_dtls(con) && DTLSv1_handle_timeout(con) > 0) 2837 BIO_printf(bio_err, "TIMEOUT occurred\n"); 2838 2839 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) { 2840 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len); 2841 switch (SSL_get_error(con, k)) { 2842 case SSL_ERROR_NONE: 2843 cbuf_off += k; 2844 cbuf_len -= k; 2845 if (k <= 0) 2846 goto end; 2847 /* we have done a write(con,NULL,0); */ 2848 if (cbuf_len <= 0) { 2849 read_tty = 1; 2850 write_ssl = 0; 2851 } else { /* if (cbuf_len > 0) */ 2852 2853 read_tty = 0; 2854 write_ssl = 1; 2855 } 2856 break; 2857 case SSL_ERROR_WANT_WRITE: 2858 BIO_printf(bio_c_out, "write W BLOCK\n"); 2859 write_ssl = 1; 2860 read_tty = 0; 2861 break; 2862 case SSL_ERROR_WANT_ASYNC: 2863 BIO_printf(bio_c_out, "write A BLOCK\n"); 2864 wait_for_async(con); 2865 write_ssl = 1; 2866 read_tty = 0; 2867 break; 2868 case SSL_ERROR_WANT_READ: 2869 BIO_printf(bio_c_out, "write R BLOCK\n"); 2870 write_tty = 0; 2871 read_ssl = 1; 2872 write_ssl = 0; 2873 break; 2874 case SSL_ERROR_WANT_X509_LOOKUP: 2875 BIO_printf(bio_c_out, "write X BLOCK\n"); 2876 break; 2877 case SSL_ERROR_ZERO_RETURN: 2878 if (cbuf_len != 0) { 2879 BIO_printf(bio_c_out, "shutdown\n"); 2880 ret = 0; 2881 goto shut; 2882 } else { 2883 read_tty = 1; 2884 write_ssl = 0; 2885 break; 2886 } 2887 2888 case SSL_ERROR_SYSCALL: 2889 if ((k != 0) || (cbuf_len != 0)) { 2890 BIO_printf(bio_err, "write:errno=%d\n", 2891 get_last_socket_error()); 2892 goto shut; 2893 } else { 2894 read_tty = 1; 2895 write_ssl = 0; 2896 } 2897 break; 2898 case SSL_ERROR_WANT_ASYNC_JOB: 2899 /* This shouldn't ever happen in s_client - treat as an error */ 2900 case SSL_ERROR_SSL: 2901 ERR_print_errors(bio_err); 2902 goto shut; 2903 } 2904 } 2905#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_VMS) 2906 /* Assume Windows/DOS/BeOS can always write */ 2907 else if (!ssl_pending && write_tty) 2908#else 2909 else if (!ssl_pending && FD_ISSET(fileno_stdout(), &writefds)) 2910#endif 2911 { 2912#ifdef CHARSET_EBCDIC 2913 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len); 2914#endif 2915 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len); 2916 2917 if (i <= 0) { 2918 BIO_printf(bio_c_out, "DONE\n"); 2919 ret = 0; 2920 goto shut; 2921 } 2922 2923 sbuf_len -= i; 2924 sbuf_off += i; 2925 if (sbuf_len <= 0) { 2926 read_ssl = 1; 2927 write_tty = 0; 2928 } 2929 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) { 2930#ifdef RENEG 2931 { 2932 static int iiii; 2933 if (++iiii == 52) { 2934 SSL_renegotiate(con); 2935 iiii = 0; 2936 } 2937 } 2938#endif 2939 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); 2940 2941 switch (SSL_get_error(con, k)) { 2942 case SSL_ERROR_NONE: 2943 if (k <= 0) 2944 goto end; 2945 sbuf_off = 0; 2946 sbuf_len = k; 2947 2948 read_ssl = 0; 2949 write_tty = 1; 2950 break; 2951 case SSL_ERROR_WANT_ASYNC: 2952 BIO_printf(bio_c_out, "read A BLOCK\n"); 2953 wait_for_async(con); 2954 write_tty = 0; 2955 read_ssl = 1; 2956 if ((read_tty == 0) && (write_ssl == 0)) 2957 write_ssl = 1; 2958 break; 2959 case SSL_ERROR_WANT_WRITE: 2960 BIO_printf(bio_c_out, "read W BLOCK\n"); 2961 write_ssl = 1; 2962 read_tty = 0; 2963 break; 2964 case SSL_ERROR_WANT_READ: 2965 BIO_printf(bio_c_out, "read R BLOCK\n"); 2966 write_tty = 0; 2967 read_ssl = 1; 2968 if ((read_tty == 0) && (write_ssl == 0)) 2969 write_ssl = 1; 2970 break; 2971 case SSL_ERROR_WANT_X509_LOOKUP: 2972 BIO_printf(bio_c_out, "read X BLOCK\n"); 2973 break; 2974 case SSL_ERROR_SYSCALL: 2975 ret = get_last_socket_error(); 2976 if (c_brief) 2977 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n"); 2978 else 2979 BIO_printf(bio_err, "read:errno=%d\n", ret); 2980 goto shut; 2981 case SSL_ERROR_ZERO_RETURN: 2982 BIO_printf(bio_c_out, "closed\n"); 2983 ret = 0; 2984 goto shut; 2985 case SSL_ERROR_WANT_ASYNC_JOB: 2986 /* This shouldn't ever happen in s_client. Treat as an error */ 2987 case SSL_ERROR_SSL: 2988 ERR_print_errors(bio_err); 2989 goto shut; 2990 } 2991 } 2992/* OPENSSL_SYS_MSDOS includes OPENSSL_SYS_WINDOWS */ 2993#if defined(OPENSSL_SYS_MSDOS) 2994 else if (has_stdin_waiting()) 2995#else 2996 else if (FD_ISSET(fileno_stdin(), &readfds)) 2997#endif 2998 { 2999 if (crlf) { 3000 int j, lf_num; 3001 3002 i = raw_read_stdin(cbuf, BUFSIZZ / 2); 3003 lf_num = 0; 3004 /* both loops are skipped when i <= 0 */ 3005 for (j = 0; j < i; j++) 3006 if (cbuf[j] == '\n') 3007 lf_num++; 3008 for (j = i - 1; j >= 0; j--) { 3009 cbuf[j + lf_num] = cbuf[j]; 3010 if (cbuf[j] == '\n') { 3011 lf_num--; 3012 i++; 3013 cbuf[j + lf_num] = '\r'; 3014 } 3015 } 3016 assert(lf_num == 0); 3017 } else 3018 i = raw_read_stdin(cbuf, BUFSIZZ); 3019#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) 3020 if (i == 0) 3021 at_eof = 1; 3022#endif 3023 3024 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q' && cmdletters))) { 3025 BIO_printf(bio_err, "DONE\n"); 3026 ret = 0; 3027 goto shut; 3028 } 3029 3030 if ((!c_ign_eof) && (cbuf[0] == 'R' && cmdletters)) { 3031 BIO_printf(bio_err, "RENEGOTIATING\n"); 3032 SSL_renegotiate(con); 3033 cbuf_len = 0; 3034 } else if (!c_ign_eof && (cbuf[0] == 'K' || cbuf[0] == 'k' ) 3035 && cmdletters) { 3036 BIO_printf(bio_err, "KEYUPDATE\n"); 3037 SSL_key_update(con, 3038 cbuf[0] == 'K' ? SSL_KEY_UPDATE_REQUESTED 3039 : SSL_KEY_UPDATE_NOT_REQUESTED); 3040 cbuf_len = 0; 3041 } else { 3042 cbuf_len = i; 3043 cbuf_off = 0; 3044#ifdef CHARSET_EBCDIC 3045 ebcdic2ascii(cbuf, cbuf, i); 3046#endif 3047 } 3048 3049 write_ssl = 1; 3050 read_tty = 0; 3051 } 3052 } 3053 3054 shut: 3055 if (in_init) 3056 print_stuff(bio_c_out, con, full_log); 3057 do_ssl_shutdown(con); 3058 3059 /* 3060 * If we ended with an alert being sent, but still with data in the 3061 * network buffer to be read, then calling BIO_closesocket() will 3062 * result in a TCP-RST being sent. On some platforms (notably 3063 * Windows) then this will result in the peer immediately abandoning 3064 * the connection including any buffered alert data before it has 3065 * had a chance to be read. Shutting down the sending side first, 3066 * and then closing the socket sends TCP-FIN first followed by 3067 * TCP-RST. This seems to allow the peer to read the alert data. 3068 */ 3069 shutdown(SSL_get_fd(con), 1); /* SHUT_WR */ 3070 /* 3071 * We just said we have nothing else to say, but it doesn't mean that 3072 * the other side has nothing. It's even recommended to consume incoming 3073 * data. [In testing context this ensures that alerts are passed on...] 3074 */ 3075 timeout.tv_sec = 0; 3076 timeout.tv_usec = 500000; /* some extreme round-trip */ 3077 do { 3078 FD_ZERO(&readfds); 3079 openssl_fdset(sock, &readfds); 3080 } while (select(sock + 1, &readfds, NULL, NULL, &timeout) > 0 3081 && BIO_read(sbio, sbuf, BUFSIZZ) > 0); 3082 3083 BIO_closesocket(SSL_get_fd(con)); 3084 end: 3085 if (con != NULL) { 3086 if (prexit != 0) 3087 print_stuff(bio_c_out, con, 1); 3088 SSL_free(con); 3089 } 3090 SSL_SESSION_free(psksess); 3091#if !defined(OPENSSL_NO_NEXTPROTONEG) 3092 OPENSSL_free(next_proto.data); 3093#endif 3094 SSL_CTX_free(ctx); 3095 set_keylog_file(NULL, NULL); 3096 X509_free(cert); 3097 sk_X509_CRL_pop_free(crls, X509_CRL_free); 3098 EVP_PKEY_free(key); 3099 sk_X509_pop_free(chain, X509_free); 3100 OPENSSL_free(pass); 3101#ifndef OPENSSL_NO_SRP 3102 OPENSSL_free(srp_arg.srppassin); 3103#endif 3104 OPENSSL_free(sname_alloc); 3105 OPENSSL_free(connectstr); 3106 OPENSSL_free(bindstr); 3107 OPENSSL_free(bindhost); 3108 OPENSSL_free(bindport); 3109 OPENSSL_free(host); 3110 OPENSSL_free(port); 3111 OPENSSL_free(thost); 3112 OPENSSL_free(tport); 3113 X509_VERIFY_PARAM_free(vpm); 3114 ssl_excert_free(exc); 3115 sk_OPENSSL_STRING_free(ssl_args); 3116 sk_OPENSSL_STRING_free(dane_tlsa_rrset); 3117 SSL_CONF_CTX_free(cctx); 3118 OPENSSL_clear_free(cbuf, BUFSIZZ); 3119 OPENSSL_clear_free(sbuf, BUFSIZZ); 3120 OPENSSL_clear_free(mbuf, BUFSIZZ); 3121 clear_free(proxypass); 3122 release_engine(e); 3123 BIO_free(bio_c_out); 3124 bio_c_out = NULL; 3125 BIO_free(bio_c_msg); 3126 bio_c_msg = NULL; 3127 return ret; 3128} 3129 3130static void print_stuff(BIO *bio, SSL *s, int full) 3131{ 3132 X509 *peer = NULL; 3133 STACK_OF(X509) *sk; 3134 const SSL_CIPHER *c; 3135 EVP_PKEY *public_key; 3136 int i, istls13 = (SSL_version(s) == TLS1_3_VERSION); 3137 long verify_result; 3138#ifndef OPENSSL_NO_COMP 3139 const COMP_METHOD *comp, *expansion; 3140#endif 3141 unsigned char *exportedkeymat; 3142#ifndef OPENSSL_NO_CT 3143 const SSL_CTX *ctx = SSL_get_SSL_CTX(s); 3144#endif 3145 3146 if (full) { 3147 int got_a_chain = 0; 3148 3149 sk = SSL_get_peer_cert_chain(s); 3150 if (sk != NULL) { 3151 got_a_chain = 1; 3152 3153 BIO_printf(bio, "---\nCertificate chain\n"); 3154 for (i = 0; i < sk_X509_num(sk); i++) { 3155 BIO_printf(bio, "%2d s:", i); 3156 X509_NAME_print_ex(bio, X509_get_subject_name(sk_X509_value(sk, i)), 0, get_nameopt()); 3157 BIO_puts(bio, "\n"); 3158 BIO_printf(bio, " i:"); 3159 X509_NAME_print_ex(bio, X509_get_issuer_name(sk_X509_value(sk, i)), 0, get_nameopt()); 3160 BIO_puts(bio, "\n"); 3161 public_key = X509_get_pubkey(sk_X509_value(sk, i)); 3162 if (public_key != NULL) { 3163 BIO_printf(bio, " a:PKEY: %s, %d (bit); sigalg: %s\n", 3164 OBJ_nid2sn(EVP_PKEY_get_base_id(public_key)), 3165 EVP_PKEY_get_bits(public_key), 3166 OBJ_nid2sn(X509_get_signature_nid(sk_X509_value(sk, i)))); 3167 EVP_PKEY_free(public_key); 3168 } 3169 BIO_printf(bio, " v:NotBefore: "); 3170 ASN1_TIME_print(bio, X509_get0_notBefore(sk_X509_value(sk, i))); 3171 BIO_printf(bio, "; NotAfter: "); 3172 ASN1_TIME_print(bio, X509_get0_notAfter(sk_X509_value(sk, i))); 3173 BIO_puts(bio, "\n"); 3174 if (c_showcerts) 3175 PEM_write_bio_X509(bio, sk_X509_value(sk, i)); 3176 } 3177 } 3178 3179 BIO_printf(bio, "---\n"); 3180 peer = SSL_get0_peer_certificate(s); 3181 if (peer != NULL) { 3182 BIO_printf(bio, "Server certificate\n"); 3183 3184 /* Redundant if we showed the whole chain */ 3185 if (!(c_showcerts && got_a_chain)) 3186 PEM_write_bio_X509(bio, peer); 3187 dump_cert_text(bio, peer); 3188 } else { 3189 BIO_printf(bio, "no peer certificate available\n"); 3190 } 3191 print_ca_names(bio, s); 3192 3193 ssl_print_sigalgs(bio, s); 3194 ssl_print_tmp_key(bio, s); 3195 3196#ifndef OPENSSL_NO_CT 3197 /* 3198 * When the SSL session is anonymous, or resumed via an abbreviated 3199 * handshake, no SCTs are provided as part of the handshake. While in 3200 * a resumed session SCTs may be present in the session's certificate, 3201 * no callbacks are invoked to revalidate these, and in any case that 3202 * set of SCTs may be incomplete. Thus it makes little sense to 3203 * attempt to display SCTs from a resumed session's certificate, and of 3204 * course none are associated with an anonymous peer. 3205 */ 3206 if (peer != NULL && !SSL_session_reused(s) && SSL_ct_is_enabled(s)) { 3207 const STACK_OF(SCT) *scts = SSL_get0_peer_scts(s); 3208 int sct_count = scts != NULL ? sk_SCT_num(scts) : 0; 3209 3210 BIO_printf(bio, "---\nSCTs present (%i)\n", sct_count); 3211 if (sct_count > 0) { 3212 const CTLOG_STORE *log_store = SSL_CTX_get0_ctlog_store(ctx); 3213 3214 BIO_printf(bio, "---\n"); 3215 for (i = 0; i < sct_count; ++i) { 3216 SCT *sct = sk_SCT_value(scts, i); 3217 3218 BIO_printf(bio, "SCT validation status: %s\n", 3219 SCT_validation_status_string(sct)); 3220 SCT_print(sct, bio, 0, log_store); 3221 if (i < sct_count - 1) 3222 BIO_printf(bio, "\n---\n"); 3223 } 3224 BIO_printf(bio, "\n"); 3225 } 3226 } 3227#endif 3228 3229 BIO_printf(bio, 3230 "---\nSSL handshake has read %ju bytes " 3231 "and written %ju bytes\n", 3232 BIO_number_read(SSL_get_rbio(s)), 3233 BIO_number_written(SSL_get_wbio(s))); 3234 } 3235 print_verify_detail(s, bio); 3236 BIO_printf(bio, (SSL_session_reused(s) ? "---\nReused, " : "---\nNew, ")); 3237 c = SSL_get_current_cipher(s); 3238 BIO_printf(bio, "%s, Cipher is %s\n", 3239 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3240 if (peer != NULL) { 3241 EVP_PKEY *pktmp; 3242 3243 pktmp = X509_get0_pubkey(peer); 3244 BIO_printf(bio, "Server public key is %d bit\n", 3245 EVP_PKEY_get_bits(pktmp)); 3246 } 3247 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 3248 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 3249#ifndef OPENSSL_NO_COMP 3250 comp = SSL_get_current_compression(s); 3251 expansion = SSL_get_current_expansion(s); 3252 BIO_printf(bio, "Compression: %s\n", 3253 comp ? SSL_COMP_get_name(comp) : "NONE"); 3254 BIO_printf(bio, "Expansion: %s\n", 3255 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 3256#endif 3257#ifndef OPENSSL_NO_KTLS 3258 if (BIO_get_ktls_send(SSL_get_wbio(s))) 3259 BIO_printf(bio_err, "Using Kernel TLS for sending\n"); 3260 if (BIO_get_ktls_recv(SSL_get_rbio(s))) 3261 BIO_printf(bio_err, "Using Kernel TLS for receiving\n"); 3262#endif 3263 3264 if (OSSL_TRACE_ENABLED(TLS)) { 3265 /* Print out local port of connection: useful for debugging */ 3266 int sock; 3267 union BIO_sock_info_u info; 3268 3269 sock = SSL_get_fd(s); 3270 if ((info.addr = BIO_ADDR_new()) != NULL 3271 && BIO_sock_info(sock, BIO_SOCK_INFO_ADDRESS, &info)) { 3272 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", 3273 ntohs(BIO_ADDR_rawport(info.addr))); 3274 } 3275 BIO_ADDR_free(info.addr); 3276 } 3277 3278#if !defined(OPENSSL_NO_NEXTPROTONEG) 3279 if (next_proto.status != -1) { 3280 const unsigned char *proto; 3281 unsigned int proto_len; 3282 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 3283 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 3284 BIO_write(bio, proto, proto_len); 3285 BIO_write(bio, "\n", 1); 3286 } 3287#endif 3288 { 3289 const unsigned char *proto; 3290 unsigned int proto_len; 3291 SSL_get0_alpn_selected(s, &proto, &proto_len); 3292 if (proto_len > 0) { 3293 BIO_printf(bio, "ALPN protocol: "); 3294 BIO_write(bio, proto, proto_len); 3295 BIO_write(bio, "\n", 1); 3296 } else 3297 BIO_printf(bio, "No ALPN negotiated\n"); 3298 } 3299 3300#ifndef OPENSSL_NO_SRTP 3301 { 3302 SRTP_PROTECTION_PROFILE *srtp_profile = 3303 SSL_get_selected_srtp_profile(s); 3304 3305 if (srtp_profile) 3306 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", 3307 srtp_profile->name); 3308 } 3309#endif 3310 3311 if (istls13) { 3312 switch (SSL_get_early_data_status(s)) { 3313 case SSL_EARLY_DATA_NOT_SENT: 3314 BIO_printf(bio, "Early data was not sent\n"); 3315 break; 3316 3317 case SSL_EARLY_DATA_REJECTED: 3318 BIO_printf(bio, "Early data was rejected\n"); 3319 break; 3320 3321 case SSL_EARLY_DATA_ACCEPTED: 3322 BIO_printf(bio, "Early data was accepted\n"); 3323 break; 3324 3325 } 3326 3327 /* 3328 * We also print the verify results when we dump session information, 3329 * but in TLSv1.3 we may not get that right away (or at all) depending 3330 * on when we get a NewSessionTicket. Therefore we print it now as well. 3331 */ 3332 verify_result = SSL_get_verify_result(s); 3333 BIO_printf(bio, "Verify return code: %ld (%s)\n", verify_result, 3334 X509_verify_cert_error_string(verify_result)); 3335 } else { 3336 /* In TLSv1.3 we do this on arrival of a NewSessionTicket */ 3337 SSL_SESSION_print(bio, SSL_get_session(s)); 3338 } 3339 3340 if (SSL_get_session(s) != NULL && keymatexportlabel != NULL) { 3341 BIO_printf(bio, "Keying material exporter:\n"); 3342 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 3343 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 3344 exportedkeymat = app_malloc(keymatexportlen, "export key"); 3345 if (SSL_export_keying_material(s, exportedkeymat, 3346 keymatexportlen, 3347 keymatexportlabel, 3348 strlen(keymatexportlabel), 3349 NULL, 0, 0) <= 0) { 3350 BIO_printf(bio, " Error\n"); 3351 } else { 3352 BIO_printf(bio, " Keying material: "); 3353 for (i = 0; i < keymatexportlen; i++) 3354 BIO_printf(bio, "%02X", exportedkeymat[i]); 3355 BIO_printf(bio, "\n"); 3356 } 3357 OPENSSL_free(exportedkeymat); 3358 } 3359 BIO_printf(bio, "---\n"); 3360 /* flush, or debugging output gets mixed with http response */ 3361 (void)BIO_flush(bio); 3362} 3363 3364# ifndef OPENSSL_NO_OCSP 3365static int ocsp_resp_cb(SSL *s, void *arg) 3366{ 3367 const unsigned char *p; 3368 int len; 3369 OCSP_RESPONSE *rsp; 3370 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 3371 BIO_puts(arg, "OCSP response: "); 3372 if (p == NULL) { 3373 BIO_puts(arg, "no response sent\n"); 3374 return 1; 3375 } 3376 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 3377 if (rsp == NULL) { 3378 BIO_puts(arg, "response parse error\n"); 3379 BIO_dump_indent(arg, (char *)p, len, 4); 3380 return 0; 3381 } 3382 BIO_puts(arg, "\n======================================\n"); 3383 OCSP_RESPONSE_print(arg, rsp, 0); 3384 BIO_puts(arg, "======================================\n"); 3385 OCSP_RESPONSE_free(rsp); 3386 return 1; 3387} 3388# endif 3389 3390static int ldap_ExtendedResponse_parse(const char *buf, long rem) 3391{ 3392 const unsigned char *cur, *end; 3393 long len; 3394 int tag, xclass, inf, ret = -1; 3395 3396 cur = (const unsigned char *)buf; 3397 end = cur + rem; 3398 3399 /* 3400 * From RFC 4511: 3401 * 3402 * LDAPMessage ::= SEQUENCE { 3403 * messageID MessageID, 3404 * protocolOp CHOICE { 3405 * ... 3406 * extendedResp ExtendedResponse, 3407 * ... }, 3408 * controls [0] Controls OPTIONAL } 3409 * 3410 * ExtendedResponse ::= [APPLICATION 24] SEQUENCE { 3411 * COMPONENTS OF LDAPResult, 3412 * responseName [10] LDAPOID OPTIONAL, 3413 * responseValue [11] OCTET STRING OPTIONAL } 3414 * 3415 * LDAPResult ::= SEQUENCE { 3416 * resultCode ENUMERATED { 3417 * success (0), 3418 * ... 3419 * other (80), 3420 * ... }, 3421 * matchedDN LDAPDN, 3422 * diagnosticMessage LDAPString, 3423 * referral [3] Referral OPTIONAL } 3424 */ 3425 3426 /* pull SEQUENCE */ 3427 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); 3428 if (inf != V_ASN1_CONSTRUCTED || tag != V_ASN1_SEQUENCE || 3429 (rem = end - cur, len > rem)) { 3430 BIO_printf(bio_err, "Unexpected LDAP response\n"); 3431 goto end; 3432 } 3433 3434 rem = len; /* ensure that we don't overstep the SEQUENCE */ 3435 3436 /* pull MessageID */ 3437 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); 3438 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_INTEGER || 3439 (rem = end - cur, len > rem)) { 3440 BIO_printf(bio_err, "No MessageID\n"); 3441 goto end; 3442 } 3443 3444 cur += len; /* shall we check for MessageId match or just skip? */ 3445 3446 /* pull [APPLICATION 24] */ 3447 rem = end - cur; 3448 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); 3449 if (inf != V_ASN1_CONSTRUCTED || xclass != V_ASN1_APPLICATION || 3450 tag != 24) { 3451 BIO_printf(bio_err, "Not ExtendedResponse\n"); 3452 goto end; 3453 } 3454 3455 /* pull resultCode */ 3456 rem = end - cur; 3457 inf = ASN1_get_object(&cur, &len, &tag, &xclass, rem); 3458 if (inf != V_ASN1_UNIVERSAL || tag != V_ASN1_ENUMERATED || len == 0 || 3459 (rem = end - cur, len > rem)) { 3460 BIO_printf(bio_err, "Not LDAPResult\n"); 3461 goto end; 3462 } 3463 3464 /* len should always be one, but just in case... */ 3465 for (ret = 0, inf = 0; inf < len; inf++) { 3466 ret <<= 8; 3467 ret |= cur[inf]; 3468 } 3469 /* There is more data, but we don't care... */ 3470 end: 3471 return ret; 3472} 3473 3474/* 3475 * Host dNS Name verifier: used for checking that the hostname is in dNS format 3476 * before setting it as SNI 3477 */ 3478static int is_dNS_name(const char *host) 3479{ 3480 const size_t MAX_LABEL_LENGTH = 63; 3481 size_t i; 3482 int isdnsname = 0; 3483 size_t length = strlen(host); 3484 size_t label_length = 0; 3485 int all_numeric = 1; 3486 3487 /* 3488 * Deviation from strict DNS name syntax, also check names with '_' 3489 * Check DNS name syntax, any '-' or '.' must be internal, 3490 * and on either side of each '.' we can't have a '-' or '.'. 3491 * 3492 * If the name has just one label, we don't consider it a DNS name. 3493 */ 3494 for (i = 0; i < length && label_length < MAX_LABEL_LENGTH; ++i) { 3495 char c = host[i]; 3496 3497 if ((c >= 'a' && c <= 'z') 3498 || (c >= 'A' && c <= 'Z') 3499 || c == '_') { 3500 label_length += 1; 3501 all_numeric = 0; 3502 continue; 3503 } 3504 3505 if (c >= '0' && c <= '9') { 3506 label_length += 1; 3507 continue; 3508 } 3509 3510 /* Dot and hyphen cannot be first or last. */ 3511 if (i > 0 && i < length - 1) { 3512 if (c == '-') { 3513 label_length += 1; 3514 continue; 3515 } 3516 /* 3517 * Next to a dot the preceding and following characters must not be 3518 * another dot or a hyphen. Otherwise, record that the name is 3519 * plausible, since it has two or more labels. 3520 */ 3521 if (c == '.' 3522 && host[i + 1] != '.' 3523 && host[i - 1] != '-' 3524 && host[i + 1] != '-') { 3525 label_length = 0; 3526 isdnsname = 1; 3527 continue; 3528 } 3529 } 3530 isdnsname = 0; 3531 break; 3532 } 3533 3534 /* dNS name must not be all numeric and labels must be shorter than 64 characters. */ 3535 isdnsname &= !all_numeric && !(label_length == MAX_LABEL_LENGTH); 3536 3537 return isdnsname; 3538} 3539#endif /* OPENSSL_NO_SOCK */ 3540