openssl.c revision 296465
1/* apps/openssl.c */ 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#include <stdio.h> 113#include <string.h> 114#include <stdlib.h> 115#define OPENSSL_C /* tells apps.h to use complete 116 * apps_startup() */ 117#include "apps.h" 118#include <openssl/bio.h> 119#include <openssl/crypto.h> 120#include <openssl/lhash.h> 121#include <openssl/conf.h> 122#include <openssl/x509.h> 123#include <openssl/pem.h> 124#include <openssl/ssl.h> 125#ifndef OPENSSL_NO_ENGINE 126# include <openssl/engine.h> 127#endif 128#define USE_SOCKETS /* needed for the _O_BINARY defs in the MS 129 * world */ 130#include "progs.h" 131#include "s_apps.h" 132#include <openssl/err.h> 133 134/* 135 * The LHASH callbacks ("hash" & "cmp") have been replaced by functions with 136 * the base prototypes (we cast each variable inside the function to the 137 * required type of "FUNCTION*"). This removes the necessity for 138 * macro-generated wrapper functions. 139 */ 140 141/* static unsigned long MS_CALLBACK hash(FUNCTION *a); */ 142static unsigned long MS_CALLBACK hash(const void *a_void); 143/* static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); */ 144static int MS_CALLBACK cmp(const void *a_void, const void *b_void); 145static LHASH *prog_init(void); 146static int do_cmd(LHASH *prog, int argc, char *argv[]); 147char *default_config_file = NULL; 148 149/* Make sure there is only one when MONOLITH is defined */ 150#ifdef MONOLITH 151CONF *config = NULL; 152BIO *bio_err = NULL; 153int in_FIPS_mode = 0; 154#endif 155 156static void lock_dbg_cb(int mode, int type, const char *file, int line) 157{ 158 static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */ 159 const char *errstr = NULL; 160 int rw; 161 162 rw = mode & (CRYPTO_READ | CRYPTO_WRITE); 163 if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) { 164 errstr = "invalid mode"; 165 goto err; 166 } 167 168 if (type < 0 || type >= CRYPTO_NUM_LOCKS) { 169 errstr = "type out of bounds"; 170 goto err; 171 } 172 173 if (mode & CRYPTO_LOCK) { 174 if (modes[type]) { 175 errstr = "already locked"; 176 /* 177 * must not happen in a single-threaded program (would deadlock) 178 */ 179 goto err; 180 } 181 182 modes[type] = rw; 183 } else if (mode & CRYPTO_UNLOCK) { 184 if (!modes[type]) { 185 errstr = "not locked"; 186 goto err; 187 } 188 189 if (modes[type] != rw) { 190 errstr = (rw == CRYPTO_READ) ? 191 "CRYPTO_r_unlock on write lock" : 192 "CRYPTO_w_unlock on read lock"; 193 } 194 195 modes[type] = 0; 196 } else { 197 errstr = "invalid mode"; 198 goto err; 199 } 200 201 err: 202 if (errstr) { 203 /* we cannot use bio_err here */ 204 fprintf(stderr, 205 "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n", 206 errstr, mode, type, file, line); 207 } 208} 209 210int main(int Argc, char *Argv[]) 211{ 212 ARGS arg; 213#define PROG_NAME_SIZE 39 214 char pname[PROG_NAME_SIZE + 1]; 215 FUNCTION f, *fp; 216 MS_STATIC const char *prompt; 217 MS_STATIC char buf[1024]; 218 char *to_free = NULL; 219 int n, i, ret = 0; 220 int argc; 221 char **argv, *p; 222 LHASH *prog = NULL; 223 long errline; 224 225 arg.data = NULL; 226 arg.count = 0; 227 228 in_FIPS_mode = 0; 229 230 if (getenv("OPENSSL_FIPS")) { 231#ifdef OPENSSL_FIPS 232 if (!FIPS_mode_set(1)) { 233 ERR_load_crypto_strings(); 234 ERR_print_errors(BIO_new_fp(stderr, BIO_NOCLOSE)); 235 EXIT(1); 236 } 237 in_FIPS_mode = 1; 238#else 239 fprintf(stderr, "FIPS mode not supported.\n"); 240 EXIT(1); 241#endif 242 } 243 244 if (bio_err == NULL) 245 if ((bio_err = BIO_new(BIO_s_file())) != NULL) 246 BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 247 248 if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) { /* if not defined, use 249 * compiled-in library 250 * defaults */ 251 if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))) { 252 CRYPTO_malloc_debug_init(); 253 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL); 254 } else { 255 /* OPENSSL_DEBUG_MEMORY=off */ 256 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0); 257 } 258 } 259 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 260 261#if 0 262 if (getenv("OPENSSL_DEBUG_LOCKING") != NULL) 263#endif 264 { 265 CRYPTO_set_locking_callback(lock_dbg_cb); 266 } 267 268 apps_startup(); 269 270 /* Lets load up our environment a little */ 271 p = getenv("OPENSSL_CONF"); 272 if (p == NULL) 273 p = getenv("SSLEAY_CONF"); 274 if (p == NULL) 275 p = to_free = make_config_name(); 276 277 default_config_file = p; 278 279 config = NCONF_new(NULL); 280 i = NCONF_load(config, p, &errline); 281 if (i == 0) { 282 NCONF_free(config); 283 config = NULL; 284 ERR_clear_error(); 285 } 286 287 prog = prog_init(); 288 289 /* first check the program name */ 290 program_name(Argv[0], pname, sizeof pname); 291 292 f.name = pname; 293 fp = (FUNCTION *) lh_retrieve(prog, &f); 294 if (fp != NULL) { 295 Argv[0] = pname; 296 ret = fp->func(Argc, Argv); 297 goto end; 298 } 299 300 /* 301 * ok, now check that there are not arguments, if there are, run with 302 * them, shifting the ssleay off the front 303 */ 304 if (Argc != 1) { 305 Argc--; 306 Argv++; 307 ret = do_cmd(prog, Argc, Argv); 308 if (ret < 0) 309 ret = 0; 310 goto end; 311 } 312 313 /* ok, lets enter the old 'OpenSSL>' mode */ 314 315 for (;;) { 316 ret = 0; 317 p = buf; 318 n = sizeof buf; 319 i = 0; 320 for (;;) { 321 p[0] = '\0'; 322 if (i++) 323 prompt = ">"; 324 else 325 prompt = "OpenSSL> "; 326 fputs(prompt, stdout); 327 fflush(stdout); 328 if (!fgets(p, n, stdin)) 329 goto end; 330 if (p[0] == '\0') 331 goto end; 332 i = strlen(p); 333 if (i <= 1) 334 break; 335 if (p[i - 2] != '\\') 336 break; 337 i -= 2; 338 p += i; 339 n -= i; 340 } 341 if (!chopup_args(&arg, buf, &argc, &argv)) 342 break; 343 344 ret = do_cmd(prog, argc, argv); 345 if (ret < 0) { 346 ret = 0; 347 goto end; 348 } 349 if (ret != 0) 350 BIO_printf(bio_err, "error in %s\n", argv[0]); 351 (void)BIO_flush(bio_err); 352 } 353 BIO_printf(bio_err, "bad exit\n"); 354 ret = 1; 355 end: 356 if (to_free) 357 OPENSSL_free(to_free); 358 if (config != NULL) { 359 NCONF_free(config); 360 config = NULL; 361 } 362 if (prog != NULL) 363 lh_free(prog); 364 if (arg.data != NULL) 365 OPENSSL_free(arg.data); 366 367 apps_shutdown(); 368 369 CRYPTO_mem_leaks(bio_err); 370 if (bio_err != NULL) { 371 BIO_free(bio_err); 372 bio_err = NULL; 373 } 374 OPENSSL_EXIT(ret); 375} 376 377#define LIST_STANDARD_COMMANDS "list-standard-commands" 378#define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands" 379#define LIST_CIPHER_COMMANDS "list-cipher-commands" 380 381static int do_cmd(LHASH *prog, int argc, char *argv[]) 382{ 383 FUNCTION f, *fp; 384 int i, ret = 1, tp, nl; 385 386 if ((argc <= 0) || (argv[0] == NULL)) { 387 ret = 0; 388 goto end; 389 } 390 f.name = argv[0]; 391 fp = (FUNCTION *) lh_retrieve(prog, &f); 392 if (fp != NULL) { 393 ret = fp->func(argc, argv); 394 } else if ((strncmp(argv[0], "no-", 3)) == 0) { 395 BIO *bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE); 396#ifdef OPENSSL_SYS_VMS 397 { 398 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 399 bio_stdout = BIO_push(tmpbio, bio_stdout); 400 } 401#endif 402 f.name = argv[0] + 3; 403 ret = (lh_retrieve(prog, &f) != NULL); 404 if (!ret) 405 BIO_printf(bio_stdout, "%s\n", argv[0]); 406 else 407 BIO_printf(bio_stdout, "%s\n", argv[0] + 3); 408 BIO_free_all(bio_stdout); 409 goto end; 410 } else if ((strcmp(argv[0], "quit") == 0) || 411 (strcmp(argv[0], "q") == 0) || 412 (strcmp(argv[0], "exit") == 0) || 413 (strcmp(argv[0], "bye") == 0)) { 414 ret = -1; 415 goto end; 416 } else if ((strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) || 417 (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) || 418 (strcmp(argv[0], LIST_CIPHER_COMMANDS) == 0)) { 419 int list_type; 420 BIO *bio_stdout; 421 422 if (strcmp(argv[0], LIST_STANDARD_COMMANDS) == 0) 423 list_type = FUNC_TYPE_GENERAL; 424 else if (strcmp(argv[0], LIST_MESSAGE_DIGEST_COMMANDS) == 0) 425 list_type = FUNC_TYPE_MD; 426 else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */ 427 list_type = FUNC_TYPE_CIPHER; 428 bio_stdout = BIO_new_fp(stdout, BIO_NOCLOSE); 429#ifdef OPENSSL_SYS_VMS 430 { 431 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 432 bio_stdout = BIO_push(tmpbio, bio_stdout); 433 } 434#endif 435 436 for (fp = functions; fp->name != NULL; fp++) 437 if (fp->type == list_type) 438 BIO_printf(bio_stdout, "%s\n", fp->name); 439 BIO_free_all(bio_stdout); 440 ret = 0; 441 goto end; 442 } else { 443 BIO_printf(bio_err, "openssl:Error: '%s' is an invalid command.\n", 444 argv[0]); 445 BIO_printf(bio_err, "\nStandard commands"); 446 i = 0; 447 tp = 0; 448 for (fp = functions; fp->name != NULL; fp++) { 449 nl = 0; 450#ifdef OPENSSL_NO_CAMELLIA 451 if (((i++) % 5) == 0) 452#else 453 if (((i++) % 4) == 0) 454#endif 455 { 456 BIO_printf(bio_err, "\n"); 457 nl = 1; 458 } 459 if (fp->type != tp) { 460 tp = fp->type; 461 if (!nl) 462 BIO_printf(bio_err, "\n"); 463 if (tp == FUNC_TYPE_MD) { 464 i = 1; 465 BIO_printf(bio_err, 466 "\nMessage Digest commands (see the `dgst' command for more details)\n"); 467 } else if (tp == FUNC_TYPE_CIPHER) { 468 i = 1; 469 BIO_printf(bio_err, 470 "\nCipher commands (see the `enc' command for more details)\n"); 471 } 472 } 473#ifdef OPENSSL_NO_CAMELLIA 474 BIO_printf(bio_err, "%-15s", fp->name); 475#else 476 BIO_printf(bio_err, "%-18s", fp->name); 477#endif 478 } 479 BIO_printf(bio_err, "\n\n"); 480 ret = 0; 481 } 482 end: 483 return (ret); 484} 485 486static int SortFnByName(const void *_f1, const void *_f2) 487{ 488 const FUNCTION *f1 = _f1; 489 const FUNCTION *f2 = _f2; 490 491 if (f1->type != f2->type) 492 return f1->type - f2->type; 493 return strcmp(f1->name, f2->name); 494} 495 496static LHASH *prog_init(void) 497{ 498 LHASH *ret; 499 FUNCTION *f; 500 size_t i; 501 502 /* Purely so it looks nice when the user hits ? */ 503 for (i = 0, f = functions; f->name != NULL; ++f, ++i) ; 504 qsort(functions, i, sizeof *functions, SortFnByName); 505 506 if ((ret = lh_new(hash, cmp)) == NULL) 507 return (NULL); 508 509 for (f = functions; f->name != NULL; f++) 510 lh_insert(ret, f); 511 return (ret); 512} 513 514/* static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) */ 515static int MS_CALLBACK cmp(const void *a_void, const void *b_void) 516{ 517 return (strncmp(((const FUNCTION *)a_void)->name, 518 ((const FUNCTION *)b_void)->name, 8)); 519} 520 521/* static unsigned long MS_CALLBACK hash(FUNCTION *a) */ 522static unsigned long MS_CALLBACK hash(const void *a_void) 523{ 524 return (lh_strhash(((const FUNCTION *)a_void)->name)); 525} 526