| File: | src/usr.bin/openssl/s_client.c |
| Warning: | line 896, column 3 Value stored to 'badop' is never read |
Press '?' to see keyboard shortcuts
Keyboard shortcuts:
| 1 | /* $OpenBSD: s_client.c,v 1.64 2023/12/29 12:15:49 tb Exp $ */ |
| 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This package is an SSL implementation written |
| 6 | * by Eric Young (eay@cryptsoft.com). |
| 7 | * The implementation was written so as to conform with Netscapes SSL. |
| 8 | * |
| 9 | * This library is free for commercial and non-commercial use as long as |
| 10 | * the following conditions are aheared to. The following conditions |
| 11 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 13 | * included with this distribution is covered by the same copyright terms |
| 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 15 | * |
| 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 17 | * the code are not to be removed. |
| 18 | * If this package is used in a product, Eric Young should be given attribution |
| 19 | * as the author of the parts of the library used. |
| 20 | * This can be in the form of a textual message at program startup or |
| 21 | * in documentation (online or textual) provided with the package. |
| 22 | * |
| 23 | * Redistribution and use in source and binary forms, with or without |
| 24 | * modification, are permitted provided that the following conditions |
| 25 | * are met: |
| 26 | * 1. Redistributions of source code must retain the copyright |
| 27 | * notice, this list of conditions and the following disclaimer. |
| 28 | * 2. Redistributions in binary form must reproduce the above copyright |
| 29 | * notice, this list of conditions and the following disclaimer in the |
| 30 | * documentation and/or other materials provided with the distribution. |
| 31 | * 3. All advertising materials mentioning features or use of this software |
| 32 | * must display the following acknowledgement: |
| 33 | * "This product includes cryptographic software written by |
| 34 | * Eric Young (eay@cryptsoft.com)" |
| 35 | * The word 'cryptographic' can be left out if the rouines from the library |
| 36 | * being used are not cryptographic related :-). |
| 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 38 | * the apps directory (application code) you must include an acknowledgement: |
| 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 40 | * |
| 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 51 | * SUCH DAMAGE. |
| 52 | * |
| 53 | * The licence and distribution terms for any publically available version or |
| 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 55 | * copied and put under another distribution licence |
| 56 | * [including the GNU Public Licence.] |
| 57 | */ |
| 58 | /* ==================================================================== |
| 59 | * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
| 60 | * |
| 61 | * Redistribution and use in source and binary forms, with or without |
| 62 | * modification, are permitted provided that the following conditions |
| 63 | * are met: |
| 64 | * |
| 65 | * 1. Redistributions of source code must retain the above copyright |
| 66 | * notice, this list of conditions and the following disclaimer. |
| 67 | * |
| 68 | * 2. Redistributions in binary form must reproduce the above copyright |
| 69 | * notice, this list of conditions and the following disclaimer in |
| 70 | * the documentation and/or other materials provided with the |
| 71 | * distribution. |
| 72 | * |
| 73 | * 3. All advertising materials mentioning features or use of this |
| 74 | * software must display the following acknowledgment: |
| 75 | * "This product includes software developed by the OpenSSL Project |
| 76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| 77 | * |
| 78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| 79 | * endorse or promote products derived from this software without |
| 80 | * prior written permission. For written permission, please contact |
| 81 | * openssl-core@openssl.org. |
| 82 | * |
| 83 | * 5. Products derived from this software may not be called "OpenSSL" |
| 84 | * nor may "OpenSSL" appear in their names without prior written |
| 85 | * permission of the OpenSSL Project. |
| 86 | * |
| 87 | * 6. Redistributions of any form whatsoever must retain the following |
| 88 | * acknowledgment: |
| 89 | * "This product includes software developed by the OpenSSL Project |
| 90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| 91 | * |
| 92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| 93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| 96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| 103 | * OF THE POSSIBILITY OF SUCH DAMAGE. |
| 104 | * ==================================================================== |
| 105 | * |
| 106 | * This product includes cryptographic software written by Eric Young |
| 107 | * (eay@cryptsoft.com). This product includes software written by Tim |
| 108 | * Hudson (tjh@cryptsoft.com). |
| 109 | * |
| 110 | */ |
| 111 | /* ==================================================================== |
| 112 | * Copyright 2005 Nokia. All rights reserved. |
| 113 | * |
| 114 | * The portions of the attached software ("Contribution") is developed by |
| 115 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source |
| 116 | * license. |
| 117 | * |
| 118 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of |
| 119 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites |
| 120 | * support (see RFC 4279) to OpenSSL. |
| 121 | * |
| 122 | * No patent licenses or other rights except those expressly stated in |
| 123 | * the OpenSSL open source license shall be deemed granted or received |
| 124 | * expressly, by implication, estoppel, or otherwise. |
| 125 | * |
| 126 | * No assurances are provided by Nokia that the Contribution does not |
| 127 | * infringe the patent or other intellectual property rights of any third |
| 128 | * party or that the license provides you with all the necessary rights |
| 129 | * to make use of the Contribution. |
| 130 | * |
| 131 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN |
| 132 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA |
| 133 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY |
| 134 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR |
| 135 | * OTHERWISE. |
| 136 | */ |
| 137 | |
| 138 | #include <sys/types.h> |
| 139 | #include <sys/socket.h> |
| 140 | |
| 141 | #include <netinet/in.h> |
| 142 | |
| 143 | #include <assert.h> |
| 144 | #include <ctype.h> |
| 145 | #include <limits.h> |
| 146 | #include <netdb.h> |
| 147 | #include <stdio.h> |
| 148 | #include <stdlib.h> |
| 149 | #include <string.h> |
| 150 | #include <unistd.h> |
| 151 | #include <poll.h> |
| 152 | |
| 153 | #include "apps.h" |
| 154 | |
| 155 | #include <openssl/bn.h> |
| 156 | #include <openssl/err.h> |
| 157 | #include <openssl/ocsp.h> |
| 158 | #include <openssl/pem.h> |
| 159 | #include <openssl/ssl.h> |
| 160 | #include <openssl/x509.h> |
| 161 | |
| 162 | #include "s_apps.h" |
| 163 | #include "timeouts.h" |
| 164 | |
| 165 | /*#define SSL_HOST_NAME "www.netscape.com" */ |
| 166 | /*#define SSL_HOST_NAME "193.118.187.102" */ |
| 167 | #define SSL_HOST_NAME"localhost" "localhost" |
| 168 | |
| 169 | /*#define TEST_CERT "client.pem" *//* no default cert. */ |
| 170 | |
| 171 | #define BUFSIZZ1024*8 1024*8 |
| 172 | |
| 173 | static void sc_usage(void); |
| 174 | static void print_stuff(BIO *berr, SSL *con, int full); |
| 175 | static int ocsp_resp_cb(SSL *s, void *arg); |
| 176 | static int ssl_servername_cb(SSL *s, int *ad, void *arg); |
| 177 | |
| 178 | enum { |
| 179 | PROTO_OFF = 0, |
| 180 | PROTO_SMTP, |
| 181 | PROTO_LMTP, |
| 182 | PROTO_POP3, |
| 183 | PROTO_IMAP, |
| 184 | PROTO_FTP, |
| 185 | PROTO_XMPP, |
| 186 | }; |
| 187 | |
| 188 | /* This is a context that we pass to callbacks */ |
| 189 | typedef struct tlsextctx_st { |
| 190 | BIO *biodebug; |
| 191 | int ack; |
| 192 | } tlsextctx; |
| 193 | |
| 194 | static struct { |
| 195 | int af; |
| 196 | char *alpn_in; |
| 197 | int bugs; |
| 198 | char *CAfile; |
| 199 | char *CApath; |
| 200 | char *cert_file; |
| 201 | int cert_format; |
| 202 | char *cipher; |
| 203 | unsigned int clr; |
| 204 | char *connect; |
| 205 | int crlf; |
| 206 | int debug; |
| 207 | int enable_timeouts; |
| 208 | const char *errstr; |
| 209 | char *groups_in; |
| 210 | char *host; |
| 211 | int ign_eof; |
| 212 | char *key_file; |
| 213 | int key_format; |
| 214 | char *keymatexportlabel; |
| 215 | int keymatexportlen; |
| 216 | uint16_t max_version; |
| 217 | uint16_t min_version; |
| 218 | const SSL_METHOD *meth; |
| 219 | int msg; |
| 220 | int nbio; |
| 221 | int nbio_test; |
| 222 | int no_servername; |
| 223 | char *npn_in; |
| 224 | unsigned int off; |
| 225 | char *passarg; |
| 226 | int peekaboo; |
| 227 | char *port; |
| 228 | int prexit; |
| 229 | char *proxy; |
| 230 | int quiet; |
| 231 | int reconnect; |
| 232 | char *servername; |
| 233 | char *sess_in; |
| 234 | char *sess_out; |
| 235 | int showcerts; |
| 236 | int socket_type; |
| 237 | long socket_mtu; |
| 238 | #ifndef OPENSSL_NO_SRTP |
| 239 | char *srtp_profiles; |
| 240 | #endif |
| 241 | int starttls_proto; |
| 242 | int state; |
| 243 | int status_req; |
| 244 | int tlsextdebug; |
| 245 | int verify; |
| 246 | X509_VERIFY_PARAM *vpm; |
| 247 | char *xmpphost; |
| 248 | } cfg; |
| 249 | |
| 250 | static int |
| 251 | s_client_opt_keymatexportlen(char *arg) |
| 252 | { |
| 253 | cfg.keymatexportlen = strtonum(arg, 1, INT_MAX0x7fffffff, |
| 254 | &cfg.errstr); |
| 255 | if (cfg.errstr != NULL((void *)0)) { |
| 256 | BIO_printf(bio_err, "invalid argument %s: %s\n", |
| 257 | arg, cfg.errstr); |
| 258 | return (1); |
| 259 | } |
| 260 | return (0); |
| 261 | } |
| 262 | |
| 263 | #ifndef OPENSSL_NO_DTLS |
| 264 | static int |
| 265 | s_client_opt_mtu(char *arg) |
| 266 | { |
| 267 | cfg.socket_mtu = strtonum(arg, 0, LONG_MAX0x7fffffffffffffffL, |
| 268 | &cfg.errstr); |
| 269 | if (cfg.errstr != NULL((void *)0)) { |
| 270 | BIO_printf(bio_err, "invalid argument %s: %s\n", |
| 271 | arg, cfg.errstr); |
| 272 | return (1); |
| 273 | } |
| 274 | return (0); |
| 275 | } |
| 276 | #endif |
| 277 | |
| 278 | static int |
| 279 | s_client_opt_port(char *arg) |
| 280 | { |
| 281 | if (*arg == '\0') |
| 282 | return (1); |
| 283 | |
| 284 | cfg.port = arg; |
| 285 | return (0); |
| 286 | } |
| 287 | |
| 288 | #ifndef OPENSSL_NO_DTLS |
| 289 | static int |
| 290 | s_client_opt_protocol_version_dtls(void) |
| 291 | { |
| 292 | cfg.meth = DTLS_client_method(); |
| 293 | cfg.socket_type = SOCK_DGRAM2; |
| 294 | return (0); |
| 295 | } |
| 296 | #endif |
| 297 | |
| 298 | #ifndef OPENSSL_NO_DTLS1_2 |
| 299 | static int |
| 300 | s_client_opt_protocol_version_dtls1_2(void) |
| 301 | { |
| 302 | cfg.meth = DTLS_client_method(); |
| 303 | cfg.min_version = DTLS1_2_VERSION0xFEFD; |
| 304 | cfg.max_version = DTLS1_2_VERSION0xFEFD; |
| 305 | cfg.socket_type = SOCK_DGRAM2; |
| 306 | return (0); |
| 307 | } |
| 308 | #endif |
| 309 | |
| 310 | static int |
| 311 | s_client_opt_protocol_version_tls1_2(void) |
| 312 | { |
| 313 | cfg.min_version = TLS1_2_VERSION0x0303; |
| 314 | cfg.max_version = TLS1_2_VERSION0x0303; |
| 315 | return (0); |
| 316 | } |
| 317 | |
| 318 | static int |
| 319 | s_client_opt_protocol_version_tls1_3(void) |
| 320 | { |
| 321 | cfg.min_version = TLS1_3_VERSION0x0304; |
| 322 | cfg.max_version = TLS1_3_VERSION0x0304; |
| 323 | return (0); |
| 324 | } |
| 325 | |
| 326 | static int |
| 327 | s_client_opt_quiet(void) |
| 328 | { |
| 329 | cfg.quiet = 1; |
| 330 | cfg.ign_eof = 1; |
| 331 | return (0); |
| 332 | } |
| 333 | |
| 334 | static int |
| 335 | s_client_opt_starttls(char *arg) |
| 336 | { |
| 337 | if (strcmp(arg, "smtp") == 0) |
| 338 | cfg.starttls_proto = PROTO_SMTP; |
| 339 | else if (strcmp(arg, "lmtp") == 0) |
| 340 | cfg.starttls_proto = PROTO_LMTP; |
| 341 | else if (strcmp(arg, "pop3") == 0) |
| 342 | cfg.starttls_proto = PROTO_POP3; |
| 343 | else if (strcmp(arg, "imap") == 0) |
| 344 | cfg.starttls_proto = PROTO_IMAP; |
| 345 | else if (strcmp(arg, "ftp") == 0) |
| 346 | cfg.starttls_proto = PROTO_FTP; |
| 347 | else if (strcmp(arg, "xmpp") == 0) |
| 348 | cfg.starttls_proto = PROTO_XMPP; |
| 349 | else |
| 350 | return (1); |
| 351 | return (0); |
| 352 | } |
| 353 | |
| 354 | static int |
| 355 | s_client_opt_verify(char *arg) |
| 356 | { |
| 357 | cfg.verify = SSL_VERIFY_PEER0x01; |
| 358 | |
| 359 | verify_depth = strtonum(arg, 0, INT_MAX0x7fffffff, &cfg.errstr); |
| 360 | if (cfg.errstr != NULL((void *)0)) { |
| 361 | BIO_printf(bio_err, "invalid argument %s: %s\n", |
| 362 | arg, cfg.errstr); |
| 363 | return (1); |
| 364 | } |
| 365 | BIO_printf(bio_err, "verify depth is %d\n", verify_depth); |
| 366 | return (0); |
| 367 | } |
| 368 | |
| 369 | static int |
| 370 | s_client_opt_verify_param(int argc, char **argv, int *argsused) |
| 371 | { |
| 372 | char **pargs = argv; |
| 373 | int pargc = argc; |
| 374 | int badarg = 0; |
| 375 | |
| 376 | if (!args_verify(&pargs, &pargc, &badarg, bio_err, |
| 377 | &cfg.vpm)) { |
| 378 | BIO_printf(bio_err, "unknown option %s\n", *argv); |
| 379 | return (1); |
| 380 | } |
| 381 | if (badarg) |
| 382 | return (1); |
| 383 | |
| 384 | *argsused = argc - pargc; |
| 385 | return (0); |
| 386 | } |
| 387 | |
| 388 | static const struct option s_client_options[] = { |
| 389 | { |
| 390 | .name = "4", |
| 391 | .desc = "Use IPv4 only", |
| 392 | .type = OPTION_VALUE, |
| 393 | .opt.value = &cfg.af, |
| 394 | .value = AF_INET2, |
| 395 | }, |
| 396 | { |
| 397 | .name = "6", |
| 398 | .desc = "Use IPv6 only", |
| 399 | .type = OPTION_VALUE, |
| 400 | .opt.value = &cfg.af, |
| 401 | .value = AF_INET624, |
| 402 | }, |
| 403 | { |
| 404 | .name = "alpn", |
| 405 | .argname = "protocols", |
| 406 | .desc = "Set the advertised protocols for ALPN" |
| 407 | " (comma-separated list)", |
| 408 | .type = OPTION_ARG, |
| 409 | .opt.arg = &cfg.alpn_in, |
| 410 | }, |
| 411 | { |
| 412 | .name = "bugs", |
| 413 | .desc = "Enable various workarounds for buggy implementations", |
| 414 | .type = OPTION_FLAG, |
| 415 | .opt.flag = &cfg.bugs, |
| 416 | }, |
| 417 | { |
| 418 | .name = "CAfile", |
| 419 | .argname = "file", |
| 420 | .desc = "PEM format file of CA certificates", |
| 421 | .type = OPTION_ARG, |
| 422 | .opt.arg = &cfg.CAfile, |
| 423 | }, |
| 424 | { |
| 425 | .name = "CApath", |
| 426 | .argname = "directory", |
| 427 | .desc = "PEM format directory of CA certificates", |
| 428 | .type = OPTION_ARG, |
| 429 | .opt.arg = &cfg.CApath, |
| 430 | }, |
| 431 | { |
| 432 | .name = "cert", |
| 433 | .argname = "file", |
| 434 | .desc = "Certificate file to use, PEM format assumed", |
| 435 | .type = OPTION_ARG, |
| 436 | .opt.arg = &cfg.cert_file, |
| 437 | }, |
| 438 | { |
| 439 | .name = "certform", |
| 440 | .argname = "fmt", |
| 441 | .desc = "Certificate format (PEM or DER) PEM default", |
| 442 | .type = OPTION_ARG_FORMAT, |
| 443 | .opt.value = &cfg.cert_format, |
| 444 | }, |
| 445 | { |
| 446 | .name = "cipher", |
| 447 | .argname = "cipherlist", |
| 448 | .desc = "Preferred cipher to use (see 'openssl ciphers')", |
| 449 | .type = OPTION_ARG, |
| 450 | .opt.arg = &cfg.cipher, |
| 451 | }, |
| 452 | { |
| 453 | .name = "connect", |
| 454 | .argname = "host:port", |
| 455 | .desc = "Who to connect to (default is localhost:4433)", |
| 456 | .type = OPTION_ARG, |
| 457 | .opt.arg = &cfg.connect, |
| 458 | }, |
| 459 | { |
| 460 | .name = "crlf", |
| 461 | .desc = "Convert LF from terminal into CRLF", |
| 462 | .type = OPTION_FLAG, |
| 463 | .opt.flag = &cfg.crlf, |
| 464 | }, |
| 465 | { |
| 466 | .name = "debug", |
| 467 | .desc = "Print extensive debugging information", |
| 468 | .type = OPTION_FLAG, |
| 469 | .opt.flag = &cfg.debug, |
| 470 | }, |
| 471 | #ifndef OPENSSL_NO_DTLS |
| 472 | { |
| 473 | .name = "dtls", |
| 474 | .desc = "Use any version of DTLS", |
| 475 | .type = OPTION_FUNC, |
| 476 | .opt.func = s_client_opt_protocol_version_dtls, |
| 477 | }, |
| 478 | #endif |
| 479 | #ifndef OPENSSL_NO_DTLS1_2 |
| 480 | { |
| 481 | .name = "dtls1_2", |
| 482 | .desc = "Just use DTLSv1.2", |
| 483 | .type = OPTION_FUNC, |
| 484 | .opt.func = s_client_opt_protocol_version_dtls1_2, |
| 485 | }, |
| 486 | #endif |
| 487 | { |
| 488 | .name = "groups", |
| 489 | .argname = "list", |
| 490 | .desc = "Specify EC groups (colon-separated list)", |
| 491 | .type = OPTION_ARG, |
| 492 | .opt.arg = &cfg.groups_in, |
| 493 | }, |
| 494 | { |
| 495 | .name = "host", |
| 496 | .argname = "host", |
| 497 | .desc = "Use -connect instead", |
| 498 | .type = OPTION_ARG, |
| 499 | .opt.arg = &cfg.host, |
| 500 | }, |
| 501 | { |
| 502 | .name = "ign_eof", |
| 503 | .desc = "Ignore input EOF (default when -quiet)", |
| 504 | .type = OPTION_VALUE, |
| 505 | .opt.value = &cfg.ign_eof, |
| 506 | .value = 1, |
| 507 | }, |
| 508 | { |
| 509 | .name = "key", |
| 510 | .argname = "file", |
| 511 | .desc = "Private key file to use, if not, -cert file is used", |
| 512 | .type = OPTION_ARG, |
| 513 | .opt.arg = &cfg.key_file, |
| 514 | }, |
| 515 | { |
| 516 | .name = "keyform", |
| 517 | .argname = "fmt", |
| 518 | .desc = "Key format (PEM or DER) PEM default", |
| 519 | .type = OPTION_ARG_FORMAT, |
| 520 | .opt.value = &cfg.key_format, |
| 521 | }, |
| 522 | { |
| 523 | .name = "keymatexport", |
| 524 | .argname = "label", |
| 525 | .desc = "Export keying material using label", |
| 526 | .type = OPTION_ARG, |
| 527 | .opt.arg = &cfg.keymatexportlabel, |
| 528 | }, |
| 529 | { |
| 530 | .name = "keymatexportlen", |
| 531 | .argname = "len", |
| 532 | .desc = "Export len bytes of keying material (default 20)", |
| 533 | .type = OPTION_ARG_FUNC, |
| 534 | .opt.argfunc = s_client_opt_keymatexportlen, |
| 535 | }, |
| 536 | { |
| 537 | .name = "legacy_renegotiation", |
| 538 | .type = OPTION_DISCARD, |
| 539 | }, |
| 540 | { |
| 541 | .name = "legacy_server_connect", |
| 542 | .desc = "Allow initial connection to servers that don't support RI", |
| 543 | .type = OPTION_VALUE_OR, |
| 544 | .opt.value = &cfg.off, |
| 545 | .value = SSL_OP_LEGACY_SERVER_CONNECT0x00000004L, |
| 546 | }, |
| 547 | { |
| 548 | .name = "msg", |
| 549 | .desc = "Show all protocol messages with hex dump", |
| 550 | .type = OPTION_FLAG, |
| 551 | .opt.flag = &cfg.msg, |
| 552 | }, |
| 553 | #ifndef OPENSSL_NO_DTLS |
| 554 | { |
| 555 | .name = "mtu", |
| 556 | .argname = "mtu", |
| 557 | .desc = "Set the link layer MTU on DTLS connections", |
| 558 | .type = OPTION_ARG_FUNC, |
| 559 | .opt.argfunc = s_client_opt_mtu, |
| 560 | }, |
| 561 | #endif |
| 562 | { |
| 563 | .name = "nbio", |
| 564 | .desc = "Turn on non-blocking I/O", |
| 565 | .type = OPTION_FLAG, |
| 566 | .opt.flag = &cfg.nbio, |
| 567 | }, |
| 568 | { |
| 569 | .name = "nbio_test", |
| 570 | .desc = "Test non-blocking I/O", |
| 571 | .type = OPTION_FLAG, |
| 572 | .opt.flag = &cfg.nbio_test, |
| 573 | }, |
| 574 | { |
| 575 | .name = "nextprotoneg", |
| 576 | .argname = "protocols", |
| 577 | .type = OPTION_ARG, |
| 578 | .opt.arg = &cfg.npn_in, /* Ignored. */ |
| 579 | }, |
| 580 | { |
| 581 | .name = "no_comp", |
| 582 | .type = OPTION_VALUE_OR, |
| 583 | .opt.value = &cfg.off, |
| 584 | .value = SSL_OP_NO_COMPRESSION0x0, |
| 585 | }, |
| 586 | { |
| 587 | .name = "no_ign_eof", |
| 588 | .desc = "Don't ignore input EOF", |
| 589 | .type = OPTION_VALUE, |
| 590 | .opt.value = &cfg.ign_eof, |
| 591 | .value = 0, |
| 592 | }, |
| 593 | { |
| 594 | .name = "no_legacy_server_connect", |
| 595 | .desc = "Disallow initial connection to servers that don't support RI", |
| 596 | .type = OPTION_VALUE_OR, |
| 597 | .opt.value = &cfg.clr, |
| 598 | .value = SSL_OP_LEGACY_SERVER_CONNECT0x00000004L, |
| 599 | }, |
| 600 | { |
| 601 | .name = "no_servername", |
| 602 | .desc = "Do not send a Server Name Indication (SNI) extension", |
| 603 | .type = OPTION_FLAG, |
| 604 | .opt.value = &cfg.no_servername, |
| 605 | }, |
| 606 | { |
| 607 | .name = "no_ssl2", |
| 608 | .type = OPTION_VALUE_OR, |
| 609 | .opt.value = &cfg.off, |
| 610 | .value = SSL_OP_NO_SSLv20x0, |
| 611 | }, |
| 612 | { |
| 613 | .name = "no_ssl3", |
| 614 | .type = OPTION_VALUE_OR, |
| 615 | .opt.value = &cfg.off, |
| 616 | .value = SSL_OP_NO_SSLv30x0, |
| 617 | }, |
| 618 | { |
| 619 | .name = "no_ticket", |
| 620 | .desc = "Disable use of RFC4507 session ticket support", |
| 621 | .type = OPTION_VALUE_OR, |
| 622 | .opt.value = &cfg.off, |
| 623 | .value = SSL_OP_NO_TICKET0x00004000L, |
| 624 | }, |
| 625 | { |
| 626 | .name = "no_tls1", |
| 627 | .type = OPTION_DISCARD, |
| 628 | }, |
| 629 | { |
| 630 | .name = "no_tls1_1", |
| 631 | .type = OPTION_DISCARD, |
| 632 | }, |
| 633 | { |
| 634 | .name = "no_tls1_2", |
| 635 | .desc = "Disable the use of TLSv1.2", |
| 636 | .type = OPTION_VALUE_OR, |
| 637 | .opt.value = &cfg.off, |
| 638 | .value = SSL_OP_NO_TLSv1_20x08000000L, |
| 639 | }, |
| 640 | { |
| 641 | .name = "no_tls1_3", |
| 642 | .desc = "Disable the use of TLSv1.3", |
| 643 | .type = OPTION_VALUE_OR, |
| 644 | .opt.value = &cfg.off, |
| 645 | .value = SSL_OP_NO_TLSv1_30x20000000L, |
| 646 | }, |
| 647 | { |
| 648 | .name = "noservername", |
| 649 | .type = OPTION_FLAG, |
| 650 | .opt.value = &cfg.no_servername, |
| 651 | }, |
| 652 | { |
| 653 | .name = "pass", |
| 654 | .argname = "arg", |
| 655 | .desc = "Private key file pass phrase source", |
| 656 | .type = OPTION_ARG, |
| 657 | .opt.arg = &cfg.passarg, |
| 658 | }, |
| 659 | { |
| 660 | .name = "pause", |
| 661 | .type = OPTION_DISCARD, |
| 662 | }, |
| 663 | { |
| 664 | .name = "peekaboo", |
| 665 | .type = OPTION_FLAG, |
| 666 | .opt.flag = &cfg.peekaboo, |
| 667 | }, |
| 668 | { |
| 669 | .name = "port", |
| 670 | .argname = "port", |
| 671 | .desc = "Use -connect instead", |
| 672 | .type = OPTION_ARG_FUNC, |
| 673 | .opt.argfunc = s_client_opt_port, |
| 674 | }, |
| 675 | { |
| 676 | .name = "prexit", |
| 677 | .desc = "Print session information when the program exits", |
| 678 | .type = OPTION_FLAG, |
| 679 | .opt.flag = &cfg.prexit, |
| 680 | }, |
| 681 | { |
| 682 | .name = "proxy", |
| 683 | .argname = "host:port", |
| 684 | .desc = "Connect to http proxy", |
| 685 | .type = OPTION_ARG, |
| 686 | .opt.arg = &cfg.proxy, |
| 687 | }, |
| 688 | { |
| 689 | .name = "quiet", |
| 690 | .desc = "Inhibit printing of session and certificate info", |
| 691 | .type = OPTION_FUNC, |
| 692 | .opt.func = s_client_opt_quiet, |
| 693 | }, |
| 694 | { |
| 695 | .name = "reconnect", |
| 696 | .desc = "Drop and re-make the connection with the same Session-ID", |
| 697 | .type = OPTION_VALUE, |
| 698 | .opt.value = &cfg.reconnect, |
| 699 | .value = 5, |
| 700 | }, |
| 701 | { |
| 702 | .name = "servername", |
| 703 | .argname = "name", |
| 704 | .desc = "Set TLS extension servername in ClientHello (SNI)", |
| 705 | .type = OPTION_ARG, |
| 706 | .opt.arg = &cfg.servername, |
| 707 | }, |
| 708 | { |
| 709 | .name = "serverpref", |
| 710 | .desc = "Use server's cipher preferences", |
| 711 | .type = OPTION_VALUE_OR, |
| 712 | .opt.value = &cfg.off, |
| 713 | .value = SSL_OP_CIPHER_SERVER_PREFERENCE0x00400000L, |
| 714 | }, |
| 715 | { |
| 716 | .name = "sess_in", |
| 717 | .argname = "file", |
| 718 | .desc = "File to read TLS session from", |
| 719 | .type = OPTION_ARG, |
| 720 | .opt.arg = &cfg.sess_in, |
| 721 | }, |
| 722 | { |
| 723 | .name = "sess_out", |
| 724 | .argname = "file", |
| 725 | .desc = "File to write TLS session to", |
| 726 | .type = OPTION_ARG, |
| 727 | .opt.arg = &cfg.sess_out, |
| 728 | }, |
| 729 | { |
| 730 | .name = "showcerts", |
| 731 | .desc = "Show all server certificates in the chain", |
| 732 | .type = OPTION_FLAG, |
| 733 | .opt.flag = &cfg.showcerts, |
| 734 | }, |
| 735 | { |
| 736 | .name = "starttls", |
| 737 | .argname = "protocol", |
| 738 | .desc = "Use the STARTTLS command before starting TLS,\n" |
| 739 | "smtp, lmtp, pop3, imap, ftp and xmpp are supported.", |
| 740 | .type = OPTION_ARG_FUNC, |
| 741 | .opt.argfunc = s_client_opt_starttls, |
| 742 | }, |
| 743 | { |
| 744 | .name = "state", |
| 745 | .desc = "Print the TLS session states", |
| 746 | .type = OPTION_FLAG, |
| 747 | .opt.flag = &cfg.state, |
| 748 | }, |
| 749 | { |
| 750 | .name = "status", |
| 751 | .desc = "Send a certificate status request to the server (OCSP)", |
| 752 | .type = OPTION_FLAG, |
| 753 | .opt.flag = &cfg.status_req, |
| 754 | }, |
| 755 | #ifndef OPENSSL_NO_DTLS |
| 756 | { |
| 757 | .name = "timeout", |
| 758 | .desc = "Enable send/receive timeout on DTLS connections", |
| 759 | .type = OPTION_FLAG, |
| 760 | .opt.flag = &cfg.enable_timeouts, |
| 761 | }, |
| 762 | #endif |
| 763 | { |
| 764 | .name = "tls1_2", |
| 765 | .desc = "Just use TLSv1.2", |
| 766 | .type = OPTION_FUNC, |
| 767 | .opt.func = s_client_opt_protocol_version_tls1_2, |
| 768 | }, |
| 769 | { |
| 770 | .name = "tls1_3", |
| 771 | .desc = "Just use TLSv1.3", |
| 772 | .type = OPTION_FUNC, |
| 773 | .opt.func = s_client_opt_protocol_version_tls1_3, |
| 774 | }, |
| 775 | { |
| 776 | .name = "tlsextdebug", |
| 777 | .desc = "Hex dump of all TLS extensions received", |
| 778 | .type = OPTION_FLAG, |
| 779 | .opt.flag = &cfg.tlsextdebug, |
| 780 | }, |
| 781 | #ifndef OPENSSL_NO_SRTP |
| 782 | { |
| 783 | .name = "use_srtp", |
| 784 | .argname = "profiles", |
| 785 | .desc = "Offer SRTP key management with a colon-separated profiles", |
| 786 | .type = OPTION_ARG, |
| 787 | .opt.arg = &cfg.srtp_profiles, |
| 788 | }, |
| 789 | #endif |
| 790 | { |
| 791 | .name = "verify", |
| 792 | .argname = "depth", |
| 793 | .desc = "Turn on peer certificate verification, with a max of depth", |
| 794 | .type = OPTION_ARG_FUNC, |
| 795 | .opt.argfunc = s_client_opt_verify, |
| 796 | }, |
| 797 | { |
| 798 | .name = "verify_return_error", |
| 799 | .desc = "Return verification error", |
| 800 | .type = OPTION_FLAG, |
| 801 | .opt.flag = &verify_return_error, |
| 802 | }, |
| 803 | { |
| 804 | .name = "xmpphost", |
| 805 | .argname = "host", |
| 806 | .desc = "Connect to this virtual host on the xmpp server", |
| 807 | .type = OPTION_ARG, |
| 808 | .opt.arg = &cfg.xmpphost, |
| 809 | }, |
| 810 | { |
| 811 | .name = NULL((void *)0), |
| 812 | .desc = "", |
| 813 | .type = OPTION_ARGV_FUNC, |
| 814 | .opt.argvfunc = s_client_opt_verify_param, |
| 815 | }, |
| 816 | { NULL((void *)0) }, |
| 817 | }; |
| 818 | |
| 819 | static void |
| 820 | sc_usage(void) |
| 821 | { |
| 822 | fprintf(stderr(&__sF[2]), "usage: s_client " |
| 823 | "[-4 | -6] [-alpn protocols] [-bugs] [-CAfile file]\n" |
| 824 | " [-CApath directory] [-cert file] [-certform der | pem] [-check_ss_sig]\n" |
| 825 | " [-cipher cipherlist] [-connect host[:port]] [-crl_check]\n" |
| 826 | " [-crl_check_all] [-crlf] [-debug] [-dtls] [-dtls1_2] [-extended_crl]\n" |
| 827 | " [-groups list] [-host host] [-ign_eof] [-ignore_critical]\n" |
| 828 | " [-issuer_checks] [-key keyfile] [-keyform der | pem]\n" |
| 829 | " [-keymatexport label] [-keymatexportlen len] [-legacy_server_connect]\n" |
| 830 | " [-msg] [-mtu mtu] [-nbio] [-nbio_test] [-no_comp] [-no_ign_eof]\n" |
| 831 | " [-no_legacy_server_connect] [-no_ticket] \n" |
| 832 | " [-no_tls1_2] [-no_tls1_3] [-pass arg] [-policy_check]\n" |
| 833 | " [-port port] [-prexit] [-proxy host:port] [-quiet] [-reconnect]\n" |
| 834 | " [-servername name] [-serverpref] [-sess_in file] [-sess_out file]\n" |
| 835 | " [-showcerts] [-starttls protocol] [-state] [-status] [-timeout]\n" |
| 836 | " [-tls1_2] [-tls1_3] [-tlsextdebug]\n" |
| 837 | " [-use_srtp profiles] [-verify depth] [-verify_return_error]\n" |
| 838 | " [-x509_strict] [-xmpphost host]\n"); |
| 839 | fprintf(stderr(&__sF[2]), "\n"); |
| 840 | options_usage(s_client_options); |
| 841 | fprintf(stderr(&__sF[2]), "\n"); |
| 842 | } |
| 843 | |
| 844 | int |
| 845 | s_client_main(int argc, char **argv) |
| 846 | { |
| 847 | SSL *con = NULL((void *)0); |
| 848 | int s, k, p = 0, pending = 0; |
| 849 | char *cbuf = NULL((void *)0), *sbuf = NULL((void *)0), *mbuf = NULL((void *)0), *pbuf = NULL((void *)0); |
| 850 | int cbuf_len, cbuf_off; |
| 851 | int sbuf_len, sbuf_off; |
| 852 | int full_log = 1; |
| 853 | const char *servername; |
| 854 | char *pass = NULL((void *)0); |
| 855 | X509 *cert = NULL((void *)0); |
| 856 | EVP_PKEY *key = NULL((void *)0); |
| 857 | int badop = 0; |
| 858 | int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; |
| 859 | SSL_CTX *ctx = NULL((void *)0); |
| 860 | int ret = 1, in_init = 1, i; |
| 861 | BIO *bio_c_out = NULL((void *)0); |
| 862 | BIO *sbio; |
| 863 | int mbuf_len = 0; |
| 864 | struct timeval timeout; |
| 865 | tlsextctx tlsextcbp = {NULL((void *)0), 0}; |
| 866 | struct sockaddr_storage peer; |
| 867 | int peerlen = sizeof(peer); |
| 868 | |
| 869 | if (pledge("stdio cpath wpath rpath inet dns tty", NULL((void *)0)) == -1) { |
| 870 | perror("pledge"); |
| 871 | exit(1); |
| 872 | } |
| 873 | |
| 874 | memset(&cfg, 0, sizeof(cfg)); |
| 875 | cfg.af = AF_UNSPEC0; |
| 876 | cfg.cert_format = FORMAT_PEM3; |
| 877 | cfg.host = SSL_HOST_NAME"localhost"; |
| 878 | cfg.key_format = FORMAT_PEM3; |
| 879 | cfg.keymatexportlen = 20; |
| 880 | cfg.meth = TLS_client_method(); |
| 881 | cfg.port = PORT_STR"4433"; |
| 882 | cfg.socket_type = SOCK_STREAM1; |
| 883 | cfg.starttls_proto = PROTO_OFF; |
| 884 | cfg.verify = SSL_VERIFY_NONE0x00; |
| 885 | |
| 886 | if (((cbuf = malloc(BUFSIZZ1024*8)) == NULL((void *)0)) || |
| 887 | ((sbuf = malloc(BUFSIZZ1024*8)) == NULL((void *)0)) || |
| 888 | ((pbuf = malloc(BUFSIZZ1024*8)) == NULL((void *)0)) || |
| 889 | ((mbuf = malloc(BUFSIZZ1024*8 + 1)) == NULL((void *)0))) { /* NUL byte */ |
| 890 | BIO_printf(bio_err, "out of memory\n"); |
| 891 | goto end; |
| 892 | } |
| 893 | verify_depth = 0; |
| 894 | |
| 895 | if (options_parse(argc, argv, s_client_options, NULL((void *)0), NULL((void *)0)) != 0) { |
| 896 | badop = 1; |
Value stored to 'badop' is never read | |
| 897 | goto bad; |
| 898 | } |
| 899 | if (cfg.proxy != NULL((void *)0)) { |
| 900 | if (!extract_host_port(cfg.proxy, |
| 901 | &cfg.host, NULL((void *)0), &cfg.port)) |
| 902 | goto bad; |
| 903 | if (cfg.connect == NULL((void *)0)) |
| 904 | cfg.connect = SSL_HOST_NAME"localhost"; |
| 905 | } else if (cfg.connect != NULL((void *)0)) { |
| 906 | if (!extract_host_port(cfg.connect, |
| 907 | &cfg.host, NULL((void *)0), &cfg.port)) |
| 908 | goto bad; |
| 909 | } |
| 910 | if (badop) { |
| 911 | bad: |
| 912 | if (cfg.errstr == NULL((void *)0)) |
| 913 | sc_usage(); |
| 914 | goto end; |
| 915 | } |
| 916 | |
| 917 | if (!app_passwd(bio_err, cfg.passarg, NULL((void *)0), &pass, NULL((void *)0))) { |
| 918 | BIO_printf(bio_err, "Error getting password\n"); |
| 919 | goto end; |
| 920 | } |
| 921 | if (cfg.key_file == NULL((void *)0)) |
| 922 | cfg.key_file = cfg.cert_file; |
| 923 | |
| 924 | |
| 925 | if (cfg.key_file) { |
| 926 | |
| 927 | key = load_key(bio_err, cfg.key_file, |
| 928 | cfg.key_format, 0, pass, |
| 929 | "client certificate private key file"); |
| 930 | if (!key) { |
| 931 | ERR_print_errors(bio_err); |
| 932 | goto end; |
| 933 | } |
| 934 | } |
| 935 | if (cfg.cert_file) { |
| 936 | cert = load_cert(bio_err, cfg.cert_file, |
| 937 | cfg.cert_format, |
| 938 | NULL((void *)0), "client certificate file"); |
| 939 | |
| 940 | if (!cert) { |
| 941 | ERR_print_errors(bio_err); |
| 942 | goto end; |
| 943 | } |
| 944 | } |
| 945 | if (cfg.quiet && !cfg.debug && |
| 946 | !cfg.msg) { |
| 947 | if ((bio_c_out = BIO_new(BIO_s_null())) == NULL((void *)0)) |
| 948 | goto end; |
| 949 | } else { |
| 950 | if ((bio_c_out = BIO_new_fp(stdout(&__sF[1]), BIO_NOCLOSE0x00)) == NULL((void *)0)) |
| 951 | goto end; |
| 952 | } |
| 953 | |
| 954 | ctx = SSL_CTX_new(cfg.meth); |
| 955 | if (ctx == NULL((void *)0)) { |
| 956 | ERR_print_errors(bio_err); |
| 957 | goto end; |
| 958 | } |
| 959 | |
| 960 | SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY)SSL_CTX_ctrl((ctx),78,(0x00000004L),((void *)0)); |
| 961 | |
| 962 | if (cfg.vpm) |
| 963 | SSL_CTX_set1_param(ctx, cfg.vpm); |
| 964 | |
| 965 | if (!SSL_CTX_set_min_proto_version(ctx, cfg.min_version)) |
| 966 | goto end; |
| 967 | if (!SSL_CTX_set_max_proto_version(ctx, cfg.max_version)) |
| 968 | goto end; |
| 969 | |
| 970 | #ifndef OPENSSL_NO_SRTP |
| 971 | if (cfg.srtp_profiles != NULL((void *)0)) |
| 972 | SSL_CTX_set_tlsext_use_srtp(ctx, cfg.srtp_profiles); |
| 973 | #endif |
| 974 | if (cfg.bugs) |
| 975 | SSL_CTX_set_options(ctx, SSL_OP_ALL | cfg.off)SSL_CTX_ctrl((ctx),32,((0x00000004L) | cfg.off),((void *)0)); |
| 976 | else |
| 977 | SSL_CTX_set_options(ctx, cfg.off)SSL_CTX_ctrl((ctx),32,(cfg.off),((void *)0)); |
| 978 | |
| 979 | if (cfg.clr) |
| 980 | SSL_CTX_clear_options(ctx, cfg.clr)SSL_CTX_ctrl((ctx),77,(cfg.clr),((void *)0)); |
| 981 | |
| 982 | if (cfg.alpn_in) { |
| 983 | unsigned short alpn_len; |
| 984 | unsigned char *alpn; |
| 985 | |
| 986 | alpn = next_protos_parse(&alpn_len, cfg.alpn_in); |
| 987 | if (alpn == NULL((void *)0)) { |
| 988 | BIO_printf(bio_err, "Error parsing -alpn argument\n"); |
| 989 | goto end; |
| 990 | } |
| 991 | SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len); |
| 992 | free(alpn); |
| 993 | } |
| 994 | if (cfg.groups_in != NULL((void *)0)) { |
| 995 | if (SSL_CTX_set1_groups_list(ctx, cfg.groups_in) != 1) { |
| 996 | BIO_printf(bio_err, "Failed to set groups '%s'\n", |
| 997 | cfg.groups_in); |
| 998 | goto end; |
| 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | if (cfg.state) |
| 1003 | SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); |
| 1004 | if (cfg.cipher != NULL((void *)0)) |
| 1005 | if (!SSL_CTX_set_cipher_list(ctx, cfg.cipher)) { |
| 1006 | BIO_printf(bio_err, "error setting cipher list\n"); |
| 1007 | ERR_print_errors(bio_err); |
| 1008 | goto end; |
| 1009 | } |
| 1010 | |
| 1011 | SSL_CTX_set_verify(ctx, cfg.verify, verify_callback); |
| 1012 | if (!set_cert_key_stuff(ctx, cert, key)) |
| 1013 | goto end; |
| 1014 | |
| 1015 | if ((cfg.CAfile || cfg.CApath) |
| 1016 | && !SSL_CTX_load_verify_locations(ctx, cfg.CAfile, |
| 1017 | cfg.CApath)) |
| 1018 | ERR_print_errors(bio_err); |
| 1019 | |
| 1020 | if (!SSL_CTX_set_default_verify_paths(ctx)) |
| 1021 | ERR_print_errors(bio_err); |
| 1022 | |
| 1023 | con = SSL_new(ctx); |
| 1024 | if (cfg.sess_in) { |
| 1025 | SSL_SESSION *sess; |
| 1026 | BIO *stmp = BIO_new_file(cfg.sess_in, "r"); |
| 1027 | if (!stmp) { |
| 1028 | BIO_printf(bio_err, "Can't open session file %s\n", |
| 1029 | cfg.sess_in); |
| 1030 | ERR_print_errors(bio_err); |
| 1031 | goto end; |
| 1032 | } |
| 1033 | sess = PEM_read_bio_SSL_SESSION(stmp, NULL((void *)0), 0, NULL((void *)0)); |
| 1034 | BIO_free(stmp); |
| 1035 | if (!sess) { |
| 1036 | BIO_printf(bio_err, "Can't open session file %s\n", |
| 1037 | cfg.sess_in); |
| 1038 | ERR_print_errors(bio_err); |
| 1039 | goto end; |
| 1040 | } |
| 1041 | SSL_set_session(con, sess); |
| 1042 | SSL_SESSION_free(sess); |
| 1043 | } |
| 1044 | |
| 1045 | /* Attempt to opportunistically use the host name for SNI. */ |
| 1046 | servername = cfg.servername; |
| 1047 | if (servername == NULL((void *)0)) |
| 1048 | servername = cfg.host; |
| 1049 | |
| 1050 | if (!cfg.no_servername && servername != NULL((void *)0) && |
| 1051 | !SSL_set_tlsext_host_name(con, servername)SSL_ctrl(con,55,0,(char *)servername)) { |
| 1052 | long ssl_err = ERR_peek_error(); |
| 1053 | |
| 1054 | if (cfg.servername != NULL((void *)0) || |
| 1055 | ERR_GET_LIB(ssl_err)(int)((((unsigned long)ssl_err)>>24L)&0xffL) != ERR_LIB_SSL20 || |
| 1056 | ERR_GET_REASON(ssl_err)(int)((ssl_err)&0xfffL) != SSL_R_SSL3_EXT_INVALID_SERVERNAME319) { |
| 1057 | BIO_printf(bio_err, |
| 1058 | "Unable to set TLS servername extension.\n"); |
| 1059 | ERR_print_errors(bio_err); |
| 1060 | goto end; |
| 1061 | } |
| 1062 | servername = NULL((void *)0); |
| 1063 | ERR_clear_error(); |
| 1064 | } |
| 1065 | if (!cfg.no_servername && servername != NULL((void *)0)) { |
| 1066 | tlsextcbp.biodebug = bio_err; |
| 1067 | SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb)SSL_CTX_callback_ctrl(ctx,53,(void (*)(void))ssl_servername_cb ); |
| 1068 | SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp)SSL_CTX_ctrl(ctx,54,0, (void *)&tlsextcbp); |
| 1069 | } |
| 1070 | |
| 1071 | re_start: |
| 1072 | |
| 1073 | if (init_client(&s, cfg.host, cfg.port, |
| 1074 | cfg.socket_type, cfg.af) == 0) { |
| 1075 | BIO_printf(bio_err, "connect:errno=%d\n", errno(*__errno())); |
| 1076 | goto end; |
| 1077 | } |
| 1078 | BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s); |
| 1079 | |
| 1080 | if (cfg.nbio) { |
| 1081 | if (!cfg.quiet) |
| 1082 | BIO_printf(bio_c_out, "turning on non blocking io\n"); |
| 1083 | if (!BIO_socket_nbio(s, 1)) { |
| 1084 | ERR_print_errors(bio_err); |
| 1085 | goto end; |
| 1086 | } |
| 1087 | } |
| 1088 | |
| 1089 | if (SSL_is_dtls(con)) { |
| 1090 | sbio = BIO_new_dgram(s, BIO_NOCLOSE0x00); |
| 1091 | if (getsockname(s, (struct sockaddr *)&peer, |
| 1092 | (void *)&peerlen) == -1) { |
| 1093 | BIO_printf(bio_err, "getsockname:errno=%d\n", |
| 1094 | errno(*__errno())); |
| 1095 | shutdown(s, SHUT_RD0); |
| 1096 | close(s); |
| 1097 | goto end; |
| 1098 | } |
| 1099 | (void) BIO_ctrl_set_connected(sbio, 1, &peer)(int)BIO_ctrl(sbio, 32, 1, (char *)&peer); |
| 1100 | |
| 1101 | if (cfg.enable_timeouts) { |
| 1102 | timeout.tv_sec = 0; |
| 1103 | timeout.tv_usec = DGRAM_RCV_TIMEOUT250000; |
| 1104 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT33, 0, |
| 1105 | &timeout); |
| 1106 | |
| 1107 | timeout.tv_sec = 0; |
| 1108 | timeout.tv_usec = DGRAM_SND_TIMEOUT250000; |
| 1109 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT35, 0, |
| 1110 | &timeout); |
| 1111 | } |
| 1112 | if (cfg.socket_mtu > 28) { |
| 1113 | SSL_set_options(con, SSL_OP_NO_QUERY_MTU)SSL_ctrl((con),32,(0x00001000L),((void *)0)); |
| 1114 | SSL_set_mtu(con, cfg.socket_mtu - 28)SSL_ctrl((con),17,(cfg.socket_mtu - 28),((void *)0)); |
| 1115 | } else |
| 1116 | /* want to do MTU discovery */ |
| 1117 | BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER39, 0, NULL((void *)0)); |
| 1118 | } else |
| 1119 | sbio = BIO_new_socket(s, BIO_NOCLOSE0x00); |
| 1120 | |
| 1121 | if (cfg.nbio_test) { |
| 1122 | BIO *test; |
| 1123 | |
| 1124 | test = BIO_new(BIO_f_nbio_test()); |
| 1125 | sbio = BIO_push(test, sbio); |
| 1126 | } |
| 1127 | if (cfg.debug) { |
| 1128 | BIO_set_callback(sbio, bio_dump_callback); |
| 1129 | BIO_set_callback_arg(sbio, (char *) bio_c_out); |
| 1130 | } |
| 1131 | if (cfg.msg) { |
| 1132 | SSL_set_msg_callback(con, msg_cb); |
| 1133 | SSL_set_msg_callback_arg(con, bio_c_out)SSL_ctrl((con), 16, 0, (bio_c_out)); |
| 1134 | } |
| 1135 | if (cfg.tlsextdebug) { |
| 1136 | SSL_set_tlsext_debug_callback(con, tlsext_cb)SSL_callback_ctrl(con,56,(void (*)(void))tlsext_cb); |
| 1137 | SSL_set_tlsext_debug_arg(con, bio_c_out)SSL_ctrl(con,57,0, (void *)bio_c_out); |
| 1138 | } |
| 1139 | if (cfg.status_req) { |
| 1140 | SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp)SSL_ctrl(con,65,1, ((void *)0)); |
| 1141 | SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb)SSL_CTX_callback_ctrl(ctx,63,(void (*)(void))ocsp_resp_cb); |
| 1142 | SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out)SSL_CTX_ctrl(ctx,64,0,(void *)bio_c_out); |
| 1143 | } |
| 1144 | |
| 1145 | SSL_set_bio(con, sbio, sbio); |
| 1146 | SSL_set_connect_state(con); |
| 1147 | |
| 1148 | /* ok, lets connect */ |
| 1149 | read_tty = 1; |
| 1150 | write_tty = 0; |
| 1151 | tty_on = 0; |
| 1152 | read_ssl = 1; |
| 1153 | write_ssl = 1; |
| 1154 | |
| 1155 | cbuf_len = 0; |
| 1156 | cbuf_off = 0; |
| 1157 | sbuf_len = 0; |
| 1158 | sbuf_off = 0; |
| 1159 | |
| 1160 | /* This is an ugly hack that does a lot of assumptions */ |
| 1161 | /* |
| 1162 | * We do have to handle multi-line responses which may come in a |
| 1163 | * single packet or not. We therefore have to use BIO_gets() which |
| 1164 | * does need a buffering BIO. So during the initial chitchat we do |
| 1165 | * push a buffering BIO into the chain that is removed again later on |
| 1166 | * to not disturb the rest of the s_client operation. |
| 1167 | */ |
| 1168 | if (cfg.starttls_proto == PROTO_SMTP || |
| 1169 | cfg.starttls_proto == PROTO_LMTP) { |
| 1170 | int foundit = 0; |
| 1171 | BIO *fbio = BIO_new(BIO_f_buffer()); |
| 1172 | BIO_push(fbio, sbio); |
| 1173 | /* wait for multi-line response to end from SMTP */ |
| 1174 | do { |
| 1175 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ1024*8); |
| 1176 | } |
| 1177 | while (mbuf_len > 3 && mbuf[3] == '-'); |
| 1178 | /* STARTTLS command requires EHLO... */ |
| 1179 | BIO_printf(fbio, "%cHLO openssl.client.net\r\n", |
| 1180 | cfg.starttls_proto == PROTO_SMTP ? 'E' : 'L'); |
| 1181 | (void) BIO_flush(fbio)(int)BIO_ctrl(fbio,11,0,((void *)0)); |
| 1182 | /* wait for multi-line response to end EHLO SMTP response */ |
| 1183 | do { |
| 1184 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ1024*8); |
| 1185 | if (strstr(mbuf, "STARTTLS")) |
| 1186 | foundit = 1; |
| 1187 | } |
| 1188 | while (mbuf_len > 3 && mbuf[3] == '-'); |
| 1189 | (void) BIO_flush(fbio)(int)BIO_ctrl(fbio,11,0,((void *)0)); |
| 1190 | BIO_pop(fbio); |
| 1191 | BIO_free(fbio); |
| 1192 | if (!foundit) |
| 1193 | BIO_printf(bio_err, |
| 1194 | "didn't find starttls in server response," |
| 1195 | " try anyway...\n"); |
| 1196 | BIO_printf(sbio, "STARTTLS\r\n"); |
| 1197 | BIO_read(sbio, sbuf, BUFSIZZ1024*8); |
| 1198 | } else if (cfg.starttls_proto == PROTO_POP3) { |
| 1199 | mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ1024*8); |
| 1200 | if (mbuf_len == -1) { |
| 1201 | BIO_printf(bio_err, "BIO_read failed\n"); |
| 1202 | goto end; |
| 1203 | } |
| 1204 | BIO_printf(sbio, "STLS\r\n"); |
| 1205 | BIO_read(sbio, sbuf, BUFSIZZ1024*8); |
| 1206 | } else if (cfg.starttls_proto == PROTO_IMAP) { |
| 1207 | int foundit = 0; |
| 1208 | BIO *fbio = BIO_new(BIO_f_buffer()); |
| 1209 | BIO_push(fbio, sbio); |
| 1210 | BIO_gets(fbio, mbuf, BUFSIZZ1024*8); |
| 1211 | /* STARTTLS command requires CAPABILITY... */ |
| 1212 | BIO_printf(fbio, ". CAPABILITY\r\n"); |
| 1213 | (void) BIO_flush(fbio)(int)BIO_ctrl(fbio,11,0,((void *)0)); |
| 1214 | /* wait for multi-line CAPABILITY response */ |
| 1215 | do { |
| 1216 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ1024*8); |
| 1217 | if (strstr(mbuf, "STARTTLS")) |
| 1218 | foundit = 1; |
| 1219 | } |
| 1220 | while (mbuf_len > 3 && mbuf[0] != '.'); |
| 1221 | (void) BIO_flush(fbio)(int)BIO_ctrl(fbio,11,0,((void *)0)); |
| 1222 | BIO_pop(fbio); |
| 1223 | BIO_free(fbio); |
| 1224 | if (!foundit) |
| 1225 | BIO_printf(bio_err, |
| 1226 | "didn't find STARTTLS in server response," |
| 1227 | " try anyway...\n"); |
| 1228 | BIO_printf(sbio, ". STARTTLS\r\n"); |
| 1229 | BIO_read(sbio, sbuf, BUFSIZZ1024*8); |
| 1230 | } else if (cfg.starttls_proto == PROTO_FTP) { |
| 1231 | BIO *fbio = BIO_new(BIO_f_buffer()); |
| 1232 | BIO_push(fbio, sbio); |
| 1233 | /* wait for multi-line response to end from FTP */ |
| 1234 | do { |
| 1235 | mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ1024*8); |
| 1236 | } |
| 1237 | while (mbuf_len > 3 && mbuf[3] == '-'); |
| 1238 | (void) BIO_flush(fbio)(int)BIO_ctrl(fbio,11,0,((void *)0)); |
| 1239 | BIO_pop(fbio); |
| 1240 | BIO_free(fbio); |
| 1241 | BIO_printf(sbio, "AUTH TLS\r\n"); |
| 1242 | BIO_read(sbio, sbuf, BUFSIZZ1024*8); |
| 1243 | } else if (cfg.starttls_proto == PROTO_XMPP) { |
| 1244 | int seen = 0; |
| 1245 | BIO_printf(sbio, "<stream:stream " |
| 1246 | "xmlns:stream='http://etherx.jabber.org/streams' " |
| 1247 | "xmlns='jabber:client' to='%s' version='1.0'>", |
| 1248 | cfg.xmpphost ? |
| 1249 | cfg.xmpphost : cfg.host); |
| 1250 | seen = BIO_read(sbio, mbuf, BUFSIZZ1024*8); |
| 1251 | |
| 1252 | if (seen <= 0) |
| 1253 | goto shut; |
| 1254 | |
| 1255 | mbuf[seen] = 0; |
| 1256 | while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") && |
| 1257 | !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\"")) { |
| 1258 | seen = BIO_read(sbio, mbuf, BUFSIZZ1024*8); |
| 1259 | |
| 1260 | if (seen <= 0) |
| 1261 | goto shut; |
| 1262 | |
| 1263 | mbuf[seen] = 0; |
| 1264 | } |
| 1265 | BIO_printf(sbio, |
| 1266 | "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); |
| 1267 | seen = BIO_read(sbio, sbuf, BUFSIZZ1024*8); |
| 1268 | sbuf[seen] = 0; |
| 1269 | if (!strstr(sbuf, "<proceed")) |
| 1270 | goto shut; |
| 1271 | mbuf[0] = 0; |
| 1272 | } else if (cfg.proxy != NULL((void *)0)) { |
| 1273 | BIO_printf(sbio, "CONNECT %s HTTP/1.0\r\n\r\n", |
| 1274 | cfg.connect); |
| 1275 | mbuf_len = BIO_read(sbio, mbuf, BUFSIZZ1024*8); |
| 1276 | if (mbuf_len == -1) { |
| 1277 | BIO_printf(bio_err, "BIO_read failed\n"); |
| 1278 | goto end; |
| 1279 | } |
| 1280 | } |
| 1281 | for (;;) { |
| 1282 | struct pollfd pfd[3]; /* stdin, stdout, socket */ |
| 1283 | int ptimeout = -1; |
| 1284 | |
| 1285 | if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)SSL_ctrl(con,73,0, (void *)&timeout)) |
| 1286 | ptimeout = timeout.tv_sec * 1000 + |
| 1287 | timeout.tv_usec / 1000; |
| 1288 | |
| 1289 | if (SSL_in_init(con)(SSL_state((con))&(0x1000|0x2000)) && !SSL_total_renegotiations(con)SSL_ctrl((con),12,0,((void *)0))) { |
| 1290 | in_init = 1; |
| 1291 | tty_on = 0; |
| 1292 | } else { |
| 1293 | tty_on = 1; |
| 1294 | if (in_init) { |
| 1295 | in_init = 0; |
| 1296 | if (cfg.sess_out) { |
| 1297 | BIO *stmp = BIO_new_file( |
| 1298 | cfg.sess_out, "w"); |
| 1299 | if (stmp) { |
| 1300 | PEM_write_bio_SSL_SESSION(stmp, |
| 1301 | SSL_get_session(con)); |
| 1302 | BIO_free(stmp); |
| 1303 | } else |
| 1304 | BIO_printf(bio_err, |
| 1305 | "Error writing session file %s\n", |
| 1306 | cfg.sess_out); |
| 1307 | } |
| 1308 | print_stuff(bio_c_out, con, full_log); |
| 1309 | if (full_log > 0) |
| 1310 | full_log--; |
| 1311 | |
| 1312 | if (cfg.starttls_proto) { |
| 1313 | BIO_write(bio_err, mbuf, mbuf_len); |
| 1314 | /* We don't need to know any more */ |
| 1315 | cfg.starttls_proto = PROTO_OFF; |
| 1316 | } |
| 1317 | if (cfg.reconnect) { |
| 1318 | cfg.reconnect--; |
| 1319 | BIO_printf(bio_c_out, |
| 1320 | "drop connection and then reconnect\n"); |
| 1321 | SSL_shutdown(con); |
| 1322 | SSL_set_connect_state(con); |
| 1323 | shutdown(SSL_get_fd(con), SHUT_RD0); |
| 1324 | close(SSL_get_fd(con)); |
| 1325 | goto re_start; |
| 1326 | } |
| 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | ssl_pending = read_ssl && SSL_pending(con); |
| 1331 | |
| 1332 | pfd[0].fd = -1; |
| 1333 | pfd[1].fd = -1; |
| 1334 | if (!ssl_pending) { |
| 1335 | if (tty_on) { |
| 1336 | if (read_tty) { |
| 1337 | pfd[0].fd = fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))); |
| 1338 | pfd[0].events = POLLIN0x0001; |
| 1339 | } |
| 1340 | if (write_tty) { |
| 1341 | pfd[1].fd = fileno(stdout)(!__isthreaded ? (((&__sF[1]))->_file) : (fileno)((& __sF[1]))); |
| 1342 | pfd[1].events = POLLOUT0x0004; |
| 1343 | } |
| 1344 | } |
| 1345 | |
| 1346 | pfd[2].fd = SSL_get_fd(con); |
| 1347 | pfd[2].events = 0; |
| 1348 | if (read_ssl) |
| 1349 | pfd[2].events |= POLLIN0x0001; |
| 1350 | if (write_ssl) |
| 1351 | pfd[2].events |= POLLOUT0x0004; |
| 1352 | |
| 1353 | /* printf("mode tty(%d %d%d) ssl(%d%d)\n", |
| 1354 | tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ |
| 1355 | |
| 1356 | i = poll(pfd, 3, ptimeout); |
| 1357 | if (i == -1) { |
| 1358 | BIO_printf(bio_err, "bad select %d\n", |
| 1359 | errno(*__errno())); |
| 1360 | goto shut; |
| 1361 | /* goto end; */ |
| 1362 | } |
| 1363 | } |
| 1364 | if (SSL_is_dtls(con) && |
| 1365 | DTLSv1_handle_timeout(con)SSL_ctrl(con,74,0, ((void *)0)) > 0) |
| 1366 | BIO_printf(bio_err, "TIMEOUT occured\n"); |
| 1367 | if (!ssl_pending && |
| 1368 | (pfd[2].revents & (POLLOUT0x0004|POLLERR0x0008|POLLNVAL0x0020))) { |
| 1369 | if (pfd[2].revents & (POLLERR0x0008|POLLNVAL0x0020)) { |
| 1370 | BIO_printf(bio_err, "poll error"); |
| 1371 | goto shut; |
| 1372 | } |
| 1373 | k = SSL_write(con, &(cbuf[cbuf_off]), |
| 1374 | (unsigned int) cbuf_len); |
| 1375 | switch (SSL_get_error(con, k)) { |
| 1376 | case SSL_ERROR_NONE0: |
| 1377 | cbuf_off += k; |
| 1378 | cbuf_len -= k; |
| 1379 | if (k <= 0) |
| 1380 | goto end; |
| 1381 | /* we have done a write(con,NULL,0); */ |
| 1382 | if (cbuf_len <= 0) { |
| 1383 | read_tty = 1; |
| 1384 | write_ssl = 0; |
| 1385 | } else { /* if (cbuf_len > 0) */ |
| 1386 | read_tty = 0; |
| 1387 | write_ssl = 1; |
| 1388 | } |
| 1389 | break; |
| 1390 | case SSL_ERROR_WANT_WRITE3: |
| 1391 | BIO_printf(bio_c_out, "write W BLOCK\n"); |
| 1392 | write_ssl = 1; |
| 1393 | read_tty = 0; |
| 1394 | break; |
| 1395 | case SSL_ERROR_WANT_READ2: |
| 1396 | BIO_printf(bio_c_out, "write R BLOCK\n"); |
| 1397 | write_tty = 0; |
| 1398 | read_ssl = 1; |
| 1399 | write_ssl = 0; |
| 1400 | break; |
| 1401 | case SSL_ERROR_WANT_X509_LOOKUP4: |
| 1402 | BIO_printf(bio_c_out, "write X BLOCK\n"); |
| 1403 | break; |
| 1404 | case SSL_ERROR_ZERO_RETURN6: |
| 1405 | if (cbuf_len != 0) { |
| 1406 | BIO_printf(bio_c_out, "shutdown\n"); |
| 1407 | ret = 0; |
| 1408 | goto shut; |
| 1409 | } else { |
| 1410 | read_tty = 1; |
| 1411 | write_ssl = 0; |
| 1412 | break; |
| 1413 | } |
| 1414 | |
| 1415 | case SSL_ERROR_SYSCALL5: |
| 1416 | if ((k != 0) || (cbuf_len != 0)) { |
| 1417 | BIO_printf(bio_err, "write:errno=%d\n", |
| 1418 | errno(*__errno())); |
| 1419 | goto shut; |
| 1420 | } else { |
| 1421 | read_tty = 1; |
| 1422 | write_ssl = 0; |
| 1423 | } |
| 1424 | break; |
| 1425 | case SSL_ERROR_SSL1: |
| 1426 | ERR_print_errors(bio_err); |
| 1427 | goto shut; |
| 1428 | } |
| 1429 | } else if (!ssl_pending && |
| 1430 | (pfd[1].revents & (POLLOUT0x0004|POLLERR0x0008|POLLNVAL0x0020))) { |
| 1431 | if (pfd[1].revents & (POLLERR0x0008|POLLNVAL0x0020)) { |
| 1432 | BIO_printf(bio_err, "poll error"); |
| 1433 | goto shut; |
| 1434 | } |
| 1435 | i = write(fileno(stdout)(!__isthreaded ? (((&__sF[1]))->_file) : (fileno)((& __sF[1]))), &(sbuf[sbuf_off]), sbuf_len); |
| 1436 | |
| 1437 | if (i <= 0) { |
| 1438 | BIO_printf(bio_c_out, "DONE\n"); |
| 1439 | ret = 0; |
| 1440 | goto shut; |
| 1441 | /* goto end; */ |
| 1442 | } |
| 1443 | sbuf_len -= i; |
| 1444 | sbuf_off += i; |
| 1445 | if (sbuf_len <= 0) { |
| 1446 | read_ssl = 1; |
| 1447 | write_tty = 0; |
| 1448 | } |
| 1449 | } else if (ssl_pending || (pfd[2].revents & (POLLIN0x0001|POLLHUP0x0010))) { |
| 1450 | #ifdef RENEG |
| 1451 | { |
| 1452 | static int iiii; |
| 1453 | if (++iiii == 52) { |
| 1454 | SSL_renegotiate(con); |
| 1455 | iiii = 0; |
| 1456 | } |
| 1457 | } |
| 1458 | #endif |
| 1459 | if (cfg.peekaboo) { |
| 1460 | k = p = SSL_peek(con, pbuf, 1024 /* BUFSIZZ */ ); |
| 1461 | pending = SSL_pending(con); |
| 1462 | if (SSL_get_error(con, p) == SSL_ERROR_NONE0) { |
| 1463 | if (p <= 0) |
| 1464 | goto end; |
| 1465 | |
| 1466 | k = SSL_read(con, sbuf, p); |
| 1467 | } |
| 1468 | } else { |
| 1469 | k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); |
| 1470 | } |
| 1471 | |
| 1472 | switch (SSL_get_error(con, k)) { |
| 1473 | case SSL_ERROR_NONE0: |
| 1474 | if (k <= 0) |
| 1475 | goto end; |
| 1476 | sbuf_off = 0; |
| 1477 | sbuf_len = k; |
| 1478 | if (cfg.peekaboo) { |
| 1479 | if (p != pending) { |
| 1480 | ret = -1; |
| 1481 | BIO_printf(bio_err, |
| 1482 | "peeked %d but pending %d!\n", |
| 1483 | p, pending); |
| 1484 | goto shut; |
| 1485 | } |
| 1486 | if (k < p) { |
| 1487 | ret = -1; |
| 1488 | BIO_printf(bio_err, |
| 1489 | "read less than peek!\n"); |
| 1490 | goto shut; |
| 1491 | } |
| 1492 | if (p > 0 && |
| 1493 | (memcmp(sbuf, pbuf, p) != 0)) { |
| 1494 | ret = -1; |
| 1495 | BIO_printf(bio_err, |
| 1496 | "peek of %d different from read of %d!\n", |
| 1497 | p, k); |
| 1498 | goto shut; |
| 1499 | } |
| 1500 | } |
| 1501 | read_ssl = 0; |
| 1502 | write_tty = 1; |
| 1503 | break; |
| 1504 | case SSL_ERROR_WANT_WRITE3: |
| 1505 | BIO_printf(bio_c_out, "read W BLOCK\n"); |
| 1506 | write_ssl = 1; |
| 1507 | read_tty = 0; |
| 1508 | break; |
| 1509 | case SSL_ERROR_WANT_READ2: |
| 1510 | BIO_printf(bio_c_out, "read R BLOCK\n"); |
| 1511 | write_tty = 0; |
| 1512 | read_ssl = 1; |
| 1513 | if ((read_tty == 0) && (write_ssl == 0)) |
| 1514 | write_ssl = 1; |
| 1515 | break; |
| 1516 | case SSL_ERROR_WANT_X509_LOOKUP4: |
| 1517 | BIO_printf(bio_c_out, "read X BLOCK\n"); |
| 1518 | break; |
| 1519 | case SSL_ERROR_SYSCALL5: |
| 1520 | ret = errno(*__errno()); |
| 1521 | BIO_printf(bio_err, "read:errno=%d\n", ret); |
| 1522 | goto shut; |
| 1523 | case SSL_ERROR_ZERO_RETURN6: |
| 1524 | BIO_printf(bio_c_out, "closed\n"); |
| 1525 | ret = 0; |
| 1526 | goto shut; |
| 1527 | case SSL_ERROR_SSL1: |
| 1528 | ERR_print_errors(bio_err); |
| 1529 | goto shut; |
| 1530 | /* break; */ |
| 1531 | } |
| 1532 | } else if (pfd[0].revents) { |
| 1533 | if (pfd[0].revents & (POLLERR0x0008|POLLNVAL0x0020)) { |
| 1534 | BIO_printf(bio_err, "poll error"); |
| 1535 | goto shut; |
| 1536 | } |
| 1537 | if (cfg.crlf) { |
| 1538 | int j, lf_num; |
| 1539 | |
| 1540 | i = read(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), cbuf, BUFSIZZ1024*8 / 2); |
| 1541 | lf_num = 0; |
| 1542 | /* both loops are skipped when i <= 0 */ |
| 1543 | for (j = 0; j < i; j++) |
| 1544 | if (cbuf[j] == '\n') |
| 1545 | lf_num++; |
| 1546 | for (j = i - 1; j >= 0; j--) { |
| 1547 | cbuf[j + lf_num] = cbuf[j]; |
| 1548 | if (cbuf[j] == '\n') { |
| 1549 | lf_num--; |
| 1550 | i++; |
| 1551 | cbuf[j + lf_num] = '\r'; |
| 1552 | } |
| 1553 | } |
| 1554 | assert(lf_num == 0)((lf_num == 0) ? (void)0 : __assert2("/usr/src/usr.bin/openssl/s_client.c" , 1554, __func__, "lf_num == 0")); |
| 1555 | } else |
| 1556 | i = read(fileno(stdin)(!__isthreaded ? (((&__sF[0]))->_file) : (fileno)((& __sF[0]))), cbuf, BUFSIZZ1024*8); |
| 1557 | |
| 1558 | if ((!cfg.ign_eof) && |
| 1559 | ((i <= 0) || (cbuf[0] == 'Q'))) { |
| 1560 | BIO_printf(bio_err, "DONE\n"); |
| 1561 | ret = 0; |
| 1562 | goto shut; |
| 1563 | } |
| 1564 | if ((!cfg.ign_eof) && (cbuf[0] == 'R')) { |
| 1565 | BIO_printf(bio_err, "RENEGOTIATING\n"); |
| 1566 | SSL_renegotiate(con); |
| 1567 | cbuf_len = 0; |
| 1568 | } else { |
| 1569 | cbuf_len = i; |
| 1570 | cbuf_off = 0; |
| 1571 | } |
| 1572 | |
| 1573 | write_ssl = 1; |
| 1574 | read_tty = 0; |
| 1575 | } |
| 1576 | } |
| 1577 | |
| 1578 | ret = 0; |
| 1579 | shut: |
| 1580 | if (in_init) |
| 1581 | print_stuff(bio_c_out, con, full_log); |
| 1582 | SSL_shutdown(con); |
| 1583 | shutdown(SSL_get_fd(con), SHUT_RD0); |
| 1584 | close(SSL_get_fd(con)); |
| 1585 | end: |
| 1586 | if (con != NULL((void *)0)) { |
| 1587 | if (cfg.prexit != 0) |
| 1588 | print_stuff(bio_c_out, con, 1); |
| 1589 | SSL_free(con); |
| 1590 | } |
| 1591 | SSL_CTX_free(ctx); |
| 1592 | X509_free(cert); |
| 1593 | EVP_PKEY_free(key); |
| 1594 | free(pass); |
| 1595 | X509_VERIFY_PARAM_free(cfg.vpm); |
| 1596 | freezero(cbuf, BUFSIZZ1024*8); |
| 1597 | freezero(sbuf, BUFSIZZ1024*8); |
| 1598 | freezero(pbuf, BUFSIZZ1024*8); |
| 1599 | freezero(mbuf, BUFSIZZ1024*8); |
| 1600 | BIO_free(bio_c_out); |
| 1601 | |
| 1602 | return (ret); |
| 1603 | } |
| 1604 | |
| 1605 | static void |
| 1606 | print_stuff(BIO *bio, SSL *s, int full) |
| 1607 | { |
| 1608 | X509 *peer = NULL((void *)0); |
| 1609 | char *p; |
| 1610 | static const char *space = " "; |
| 1611 | char buf[BUFSIZ1024]; |
| 1612 | STACK_OF(X509)struct stack_st_X509 *sk; |
| 1613 | STACK_OF(X509_NAME)struct stack_st_X509_NAME *sk2; |
| 1614 | const SSL_CIPHER *c; |
| 1615 | X509_NAME *xn; |
| 1616 | int j, i; |
| 1617 | unsigned char *exportedkeymat; |
| 1618 | |
| 1619 | if (full) { |
| 1620 | int got_a_chain = 0; |
| 1621 | |
| 1622 | sk = SSL_get_peer_cert_chain(s); |
| 1623 | if (sk != NULL((void *)0)) { |
| 1624 | got_a_chain = 1; /* we don't have it for SSL2 |
| 1625 | * (yet) */ |
| 1626 | |
| 1627 | BIO_printf(bio, "---\nCertificate chain\n"); |
| 1628 | for (i = 0; i < sk_X509_num(sk)sk_num(((_STACK*) (1 ? (sk) : (struct stack_st_X509*)0))); i++) { |
| 1629 | X509_NAME_oneline(X509_get_subject_name( |
| 1630 | sk_X509_value(sk, i)((X509 *)sk_value(((_STACK*) (1 ? (sk) : (struct stack_st_X509 *)0)), (i)))), buf, sizeof buf); |
| 1631 | BIO_printf(bio, "%2d s:%s\n", i, buf); |
| 1632 | X509_NAME_oneline(X509_get_issuer_name( |
| 1633 | sk_X509_value(sk, i)((X509 *)sk_value(((_STACK*) (1 ? (sk) : (struct stack_st_X509 *)0)), (i)))), buf, sizeof buf); |
| 1634 | BIO_printf(bio, " i:%s\n", buf); |
| 1635 | if (cfg.showcerts) |
| 1636 | PEM_write_bio_X509(bio, |
| 1637 | sk_X509_value(sk, i)((X509 *)sk_value(((_STACK*) (1 ? (sk) : (struct stack_st_X509 *)0)), (i)))); |
| 1638 | } |
| 1639 | } |
| 1640 | BIO_printf(bio, "---\n"); |
| 1641 | peer = SSL_get_peer_certificate(s); |
| 1642 | if (peer != NULL((void *)0)) { |
| 1643 | BIO_printf(bio, "Server certificate\n"); |
| 1644 | if (!(cfg.showcerts && got_a_chain)) { |
| 1645 | /* Redundant if we showed the whole chain */ |
| 1646 | PEM_write_bio_X509(bio, peer); |
| 1647 | } |
| 1648 | X509_NAME_oneline(X509_get_subject_name(peer), |
| 1649 | buf, sizeof buf); |
| 1650 | BIO_printf(bio, "subject=%s\n", buf); |
| 1651 | X509_NAME_oneline(X509_get_issuer_name(peer), |
| 1652 | buf, sizeof buf); |
| 1653 | BIO_printf(bio, "issuer=%s\n", buf); |
| 1654 | } else |
| 1655 | BIO_printf(bio, "no peer certificate available\n"); |
| 1656 | |
| 1657 | sk2 = SSL_get_client_CA_list(s); |
| 1658 | if ((sk2 != NULL((void *)0)) && (sk_X509_NAME_num(sk2)sk_num(((_STACK*) (1 ? (sk2) : (struct stack_st_X509_NAME*)0) )) > 0)) { |
| 1659 | BIO_printf(bio, |
| 1660 | "---\nAcceptable client certificate CA names\n"); |
| 1661 | for (i = 0; i < sk_X509_NAME_num(sk2)sk_num(((_STACK*) (1 ? (sk2) : (struct stack_st_X509_NAME*)0) )); i++) { |
| 1662 | xn = sk_X509_NAME_value(sk2, i)((X509_NAME *)sk_value(((_STACK*) (1 ? (sk2) : (struct stack_st_X509_NAME *)0)), (i))); |
| 1663 | X509_NAME_oneline(xn, buf, sizeof(buf)); |
| 1664 | BIO_write(bio, buf, strlen(buf)); |
| 1665 | BIO_write(bio, "\n", 1); |
| 1666 | } |
| 1667 | } else { |
| 1668 | BIO_printf(bio, |
| 1669 | "---\nNo client certificate CA names sent\n"); |
| 1670 | } |
| 1671 | p = SSL_get_shared_ciphers(s, buf, sizeof buf); |
| 1672 | if (p != NULL((void *)0)) { |
| 1673 | /* |
| 1674 | * This works only for SSL 2. In later protocol |
| 1675 | * versions, the client does not know what other |
| 1676 | * ciphers (in addition to the one to be used in the |
| 1677 | * current connection) the server supports. |
| 1678 | */ |
| 1679 | |
| 1680 | BIO_printf(bio, |
| 1681 | "---\nCiphers common between both SSL endpoints:\n"); |
| 1682 | j = i = 0; |
| 1683 | while (*p) { |
| 1684 | if (*p == ':') { |
| 1685 | BIO_write(bio, space, 15 - j % 25); |
| 1686 | i++; |
| 1687 | j = 0; |
| 1688 | BIO_write(bio, |
| 1689 | ((i % 3) ? " " : "\n"), 1); |
| 1690 | } else { |
| 1691 | BIO_write(bio, p, 1); |
| 1692 | j++; |
| 1693 | } |
| 1694 | p++; |
| 1695 | } |
| 1696 | BIO_write(bio, "\n", 1); |
| 1697 | } |
| 1698 | |
| 1699 | ssl_print_tmp_key(bio, s); |
| 1700 | |
| 1701 | BIO_printf(bio, |
| 1702 | "---\nSSL handshake has read %ld bytes and written %ld bytes\n", |
| 1703 | BIO_number_read(SSL_get_rbio(s)), |
| 1704 | BIO_number_written(SSL_get_wbio(s))); |
| 1705 | } |
| 1706 | BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, ")); |
| 1707 | c = SSL_get_current_cipher(s); |
| 1708 | BIO_printf(bio, "%s, Cipher is %s\n", |
| 1709 | SSL_CIPHER_get_version(c), |
| 1710 | SSL_CIPHER_get_name(c)); |
| 1711 | if (peer != NULL((void *)0)) { |
| 1712 | EVP_PKEY *pktmp; |
| 1713 | |
| 1714 | pktmp = X509_get0_pubkey(peer); |
| 1715 | BIO_printf(bio, "Server public key is %d bit\n", |
| 1716 | EVP_PKEY_bits(pktmp)); |
| 1717 | } |
| 1718 | BIO_printf(bio, "Secure Renegotiation IS%s supported\n", |
| 1719 | SSL_get_secure_renegotiation_support(s)SSL_ctrl((s), 76, 0, ((void *)0)) ? "" : " NOT"); |
| 1720 | |
| 1721 | /* Compression is not supported and will always be none. */ |
| 1722 | BIO_printf(bio, "Compression: NONE\n"); |
| 1723 | BIO_printf(bio, "Expansion: NONE\n"); |
| 1724 | |
| 1725 | #ifdef SSL_DEBUG |
| 1726 | { |
| 1727 | /* Print out local port of connection: useful for debugging */ |
| 1728 | int sock; |
| 1729 | struct sockaddr_in ladd; |
| 1730 | socklen_t ladd_size = sizeof(ladd); |
| 1731 | sock = SSL_get_fd(s); |
| 1732 | getsockname(sock, (struct sockaddr *) & ladd, &ladd_size); |
| 1733 | BIO_printf(bio, "LOCAL PORT is %u\n", |
| 1734 | ntohs(ladd.sin_port)(__uint16_t)(__builtin_constant_p(ladd.sin_port) ? (__uint16_t )(((__uint16_t)(ladd.sin_port) & 0xffU) << 8 | ((__uint16_t )(ladd.sin_port) & 0xff00U) >> 8) : __swap16md(ladd .sin_port))); |
| 1735 | } |
| 1736 | #endif |
| 1737 | |
| 1738 | { |
| 1739 | const unsigned char *proto; |
| 1740 | unsigned int proto_len; |
| 1741 | SSL_get0_alpn_selected(s, &proto, &proto_len); |
| 1742 | if (proto_len > 0) { |
| 1743 | BIO_printf(bio, "ALPN protocol: "); |
| 1744 | BIO_write(bio, proto, proto_len); |
| 1745 | BIO_write(bio, "\n", 1); |
| 1746 | } else |
| 1747 | BIO_printf(bio, "No ALPN negotiated\n"); |
| 1748 | } |
| 1749 | |
| 1750 | #ifndef OPENSSL_NO_SRTP |
| 1751 | { |
| 1752 | SRTP_PROTECTION_PROFILE *srtp_profile; |
| 1753 | |
| 1754 | srtp_profile = SSL_get_selected_srtp_profile(s); |
| 1755 | if (srtp_profile) |
| 1756 | BIO_printf(bio, |
| 1757 | "SRTP Extension negotiated, profile=%s\n", |
| 1758 | srtp_profile->name); |
| 1759 | } |
| 1760 | #endif |
| 1761 | |
| 1762 | SSL_SESSION_print(bio, SSL_get_session(s)); |
| 1763 | if (cfg.keymatexportlabel != NULL((void *)0)) { |
| 1764 | BIO_printf(bio, "Keying material exporter:\n"); |
| 1765 | BIO_printf(bio, " Label: '%s'\n", |
| 1766 | cfg.keymatexportlabel); |
| 1767 | BIO_printf(bio, " Length: %i bytes\n", |
| 1768 | cfg.keymatexportlen); |
| 1769 | exportedkeymat = malloc(cfg.keymatexportlen); |
| 1770 | if (exportedkeymat != NULL((void *)0)) { |
| 1771 | if (!SSL_export_keying_material(s, exportedkeymat, |
| 1772 | cfg.keymatexportlen, |
| 1773 | cfg.keymatexportlabel, |
| 1774 | strlen(cfg.keymatexportlabel), |
| 1775 | NULL((void *)0), 0, 0)) { |
| 1776 | BIO_printf(bio, " Error\n"); |
| 1777 | } else { |
| 1778 | BIO_printf(bio, " Keying material: "); |
| 1779 | for (i = 0; i < cfg.keymatexportlen; i++) |
| 1780 | BIO_printf(bio, "%02X", |
| 1781 | exportedkeymat[i]); |
| 1782 | BIO_printf(bio, "\n"); |
| 1783 | } |
| 1784 | free(exportedkeymat); |
| 1785 | } |
| 1786 | } |
| 1787 | BIO_printf(bio, "---\n"); |
| 1788 | X509_free(peer); |
| 1789 | /* flush, or debugging output gets mixed with http response */ |
| 1790 | (void) BIO_flush(bio)(int)BIO_ctrl(bio,11,0,((void *)0)); |
| 1791 | } |
| 1792 | |
| 1793 | static int |
| 1794 | ocsp_resp_cb(SSL *s, void *arg) |
| 1795 | { |
| 1796 | const unsigned char *p; |
| 1797 | int len; |
| 1798 | OCSP_RESPONSE *rsp; |
| 1799 | len = SSL_get_tlsext_status_ocsp_resp(s, &p)SSL_ctrl(s,70,0, (void *)&p); |
| 1800 | BIO_puts(arg, "OCSP response: "); |
| 1801 | if (!p) { |
| 1802 | BIO_puts(arg, "no response sent\n"); |
| 1803 | return 1; |
| 1804 | } |
| 1805 | rsp = d2i_OCSP_RESPONSE(NULL((void *)0), &p, len); |
| 1806 | if (!rsp) { |
| 1807 | BIO_puts(arg, "response parse error\n"); |
| 1808 | BIO_dump_indent(arg, (char *) p, len, 4); |
| 1809 | return 0; |
| 1810 | } |
| 1811 | BIO_puts(arg, "\n======================================\n"); |
| 1812 | OCSP_RESPONSE_print(arg, rsp, 0); |
| 1813 | BIO_puts(arg, "======================================\n"); |
| 1814 | OCSP_RESPONSE_free(rsp); |
| 1815 | return 1; |
| 1816 | } |
| 1817 | |
| 1818 | static int |
| 1819 | ssl_servername_cb(SSL *s, int *ad, void *arg) |
| 1820 | { |
| 1821 | tlsextctx *p = (tlsextctx *) arg; |
| 1822 | const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name0); |
| 1823 | if (SSL_get_servername_type(s) != -1) |
| 1824 | p->ack = !SSL_session_reused(s)SSL_ctrl((s),8,0,((void *)0)) && hn != NULL((void *)0); |
| 1825 | else |
| 1826 | BIO_printf(bio_err, "Can't use SSL_get_servername\n"); |
| 1827 | |
| 1828 | return SSL_TLSEXT_ERR_OK0; |
| 1829 | } |
| 1830 |