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) 1998-2001 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 */ 111 112 113 #include <stdio.h> 114 #include <string.h> 115 #include <stdlib.h> 116 #define OPENSSL_C /* tells apps.h to use complete 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 world */ 129 #include "progs.h" 130 #include "s_apps.h" 131 #include <openssl/err.h> 132 133 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the 134 * base prototypes (we cast each variable inside the function to the required 135 * type of "FUNCTION*"). This removes the necessity for macro-generated wrapper 136 * functions. */ 137 138 /* static unsigned long MS_CALLBACK hash(FUNCTION *a); */ 139 static unsigned long MS_CALLBACK hash(const void *a_void); 140 /* static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); */ 141 static int MS_CALLBACK cmp(const void *a_void,const void *b_void); 142 static LHASH *prog_init(void ); 143 static int do_cmd(LHASH *prog,int argc,char *argv[]); 144 char *default_config_file=NULL; 145 146 /* Make sure there is only one when MONOLITH is defined */ 147 #ifdef MONOLITH 148 CONF *config=NULL; 149 BIO *bio_err=NULL; 150 #endif 151 152 153 static void lock_dbg_cb(int mode, int type, const char *file, int line) 154 { 155 static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */ 156 const char *errstr = NULL; 157 int rw; 158 159 rw = mode & (CRYPTO_READ|CRYPTO_WRITE); 160 if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE))) 161 { 162 errstr = "invalid mode"; 163 goto err; 164 } 165 166 if (type < 0 || type > CRYPTO_NUM_LOCKS) 167 { 168 errstr = "type out of bounds"; 169 goto err; 170 } 171 172 if (mode & CRYPTO_LOCK) 173 { 174 if (modes[type]) 175 { 176 errstr = "already locked"; 177 /* must not happen in a single-threaded program 178 * (would deadlock) */ 179 goto err; 180 } 181 182 modes[type] = rw; 183 } 184 else if (mode & CRYPTO_UNLOCK) 185 { 186 if (!modes[type]) 187 { 188 errstr = "not locked"; 189 goto err; 190 } 191 192 if (modes[type] != rw) 193 { 194 errstr = (rw == CRYPTO_READ) ? 195 "CRYPTO_r_unlock on write lock" : 196 "CRYPTO_w_unlock on read lock"; 197 } 198 199 modes[type] = 0; 200 } 201 else 202 { 203 errstr = "invalid mode"; 204 goto err; 205 } 206 207 err: 208 if (errstr) 209 { 210 /* we cannot use bio_err here */ 211 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n", 212 errstr, mode, type, file, line); 213 } 214 } 215 216 217 int main(int Argc, char *Argv[]) 218 { 219 ARGS arg; 220 #define PROG_NAME_SIZE 39 221 char pname[PROG_NAME_SIZE+1]; 222 FUNCTION f,*fp; 223 MS_STATIC char *prompt,buf[1024]; 224 char *to_free=NULL; 225 int n,i,ret=0; 226 int argc; 227 char **argv,*p; 228 LHASH *prog=NULL; 229 long errline; 230 231 arg.data=NULL; 232 arg.count=0; 233 234 if (bio_err == NULL) 235 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 236 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 237 238 if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) /* if not defined, use compiled-in library defaults */ 239 { 240 if (!(0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))) 241 { 242 CRYPTO_malloc_debug_init(); 243 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL); 244 } 245 else 246 { 247 /* OPENSSL_DEBUG_MEMORY=off */ 248 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0); 249 } 250 } 251 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 252 253 #if 0 254 if (getenv("OPENSSL_DEBUG_LOCKING") != NULL) 255 #endif 256 { 257 CRYPTO_set_locking_callback(lock_dbg_cb); 258 } 259 260 apps_startup(); 261 262 /* Lets load up our environment a little */ 263 p=getenv("OPENSSL_CONF"); 264 if (p == NULL) 265 p=getenv("SSLEAY_CONF"); 266 if (p == NULL) 267 p=to_free=make_config_name(); 268 269 default_config_file=p; 270 271 config=NCONF_new(NULL); 272 i=NCONF_load(config,p,&errline); 273 if (i == 0) 274 { 275 NCONF_free(config); 276 config = NULL; 277 ERR_clear_error(); 278 } 279 280 prog=prog_init(); 281 282 /* first check the program name */ 283 program_name(Argv[0],pname,sizeof pname); 284 285 f.name=pname; 286 fp=(FUNCTION *)lh_retrieve(prog,&f); 287 if (fp != NULL) 288 { 289 Argv[0]=pname; 290 ret=fp->func(Argc,Argv); 291 goto end; 292 } 293 294 /* ok, now check that there are not arguments, if there are, 295 * run with them, shifting the ssleay off the front */ 296 if (Argc != 1) 297 { 298 Argc--; 299 Argv++; 300 ret=do_cmd(prog,Argc,Argv); 301 if (ret < 0) ret=0; 302 goto end; 303 } 304 305 /* ok, lets enter the old 'OpenSSL>' mode */ 306 307 for (;;) 308 { 309 ret=0; 310 p=buf; 311 n=sizeof buf; 312 i=0; 313 for (;;) 314 { 315 p[0]='\0'; 316 if (i++) 317 prompt=">"; 318 else prompt="OpenSSL> "; 319 fputs(prompt,stdout); 320 fflush(stdout); 321 fgets(p,n,stdin); 322 if (p[0] == '\0') goto end; 323 i=strlen(p); 324 if (i <= 1) break; 325 if (p[i-2] != '\\') break; 326 i-=2; 327 p+=i; 328 n-=i; 329 } 330 if (!chopup_args(&arg,buf,&argc,&argv)) break; 331 332 ret=do_cmd(prog,argc,argv); 333 if (ret < 0) 334 { 335 ret=0; 336 goto end; 337 } 338 if (ret != 0) 339 BIO_printf(bio_err,"error in %s\n",argv[0]); 340 (void)BIO_flush(bio_err); 341 } 342 BIO_printf(bio_err,"bad exit\n"); 343 ret=1; 344 end: 345 if (to_free) 346 OPENSSL_free(to_free); 347 if (config != NULL) 348 { 349 NCONF_free(config); 350 config=NULL; 351 } 352 if (prog != NULL) lh_free(prog); 353 if (arg.data != NULL) OPENSSL_free(arg.data); 354 355 apps_shutdown(); 356 357 CRYPTO_mem_leaks(bio_err); 358 if (bio_err != NULL) 359 { 360 BIO_free(bio_err); 361 bio_err=NULL; 362 } 363 OPENSSL_EXIT(ret); 364 } 365 366 #define LIST_STANDARD_COMMANDS "list-standard-commands" 367 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands" 368 #define LIST_CIPHER_COMMANDS "list-cipher-commands" 369 370 static int do_cmd(LHASH *prog, int argc, char *argv[]) 371 { 372 FUNCTION f,*fp; 373 int i,ret=1,tp,nl; 374 375 if ((argc <= 0) || (argv[0] == NULL)) 376 { ret=0; goto end; } 377 f.name=argv[0]; 378 fp=(FUNCTION *)lh_retrieve(prog,&f); 379 if (fp != NULL) 380 { 381 ret=fp->func(argc,argv); 382 } 383 else if ((strncmp(argv[0],"no-",3)) == 0) 384 { 385 BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); 386 #ifdef OPENSSL_SYS_VMS 387 { 388 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 389 bio_stdout = BIO_push(tmpbio, bio_stdout); 390 } 391 #endif 392 f.name=argv[0]+3; 393 ret = (lh_retrieve(prog,&f) != NULL); 394 if (!ret) 395 BIO_printf(bio_stdout, "%s\n", argv[0]); 396 else 397 BIO_printf(bio_stdout, "%s\n", argv[0]+3); 398 BIO_free_all(bio_stdout); 399 goto end; 400 } 401 else if ((strcmp(argv[0],"quit") == 0) || 402 (strcmp(argv[0],"q") == 0) || 403 (strcmp(argv[0],"exit") == 0) || 404 (strcmp(argv[0],"bye") == 0)) 405 { 406 ret= -1; 407 goto end; 408 } 409 else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) || 410 (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) || 411 (strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0)) 412 { 413 int list_type; 414 BIO *bio_stdout; 415 416 if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) 417 list_type = FUNC_TYPE_GENERAL; 418 else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) 419 list_type = FUNC_TYPE_MD; 420 else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */ 421 list_type = FUNC_TYPE_CIPHER; 422 bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); 423 #ifdef OPENSSL_SYS_VMS 424 { 425 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 426 bio_stdout = BIO_push(tmpbio, bio_stdout); 427 } 428 #endif 429 430 for (fp=functions; fp->name != NULL; fp++) 431 if (fp->type == list_type) 432 BIO_printf(bio_stdout, "%s\n", fp->name); 433 BIO_free_all(bio_stdout); 434 ret=0; 435 goto end; 436 } 437 else 438 { 439 BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n", 440 argv[0]); 441 BIO_printf(bio_err, "\nStandard commands"); 442 i=0; 443 tp=0; 444 for (fp=functions; fp->name != NULL; fp++) 445 { 446 nl=0; 447 if (((i++) % 5) == 0) 448 { 449 BIO_printf(bio_err,"\n"); 450 nl=1; 451 } 452 if (fp->type != tp) 453 { 454 tp=fp->type; 455 if (!nl) BIO_printf(bio_err,"\n"); 456 if (tp == FUNC_TYPE_MD) 457 { 458 i=1; 459 BIO_printf(bio_err, 460 "\nMessage Digest commands (see the `dgst' command for more details)\n"); 461 } 462 else if (tp == FUNC_TYPE_CIPHER) 463 { 464 i=1; 465 BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n"); 466 } 467 } 468 BIO_printf(bio_err,"%-15s",fp->name); 469 } 470 BIO_printf(bio_err,"\n\n"); 471 ret=0; 472 } 473 end: 474 return(ret); 475 } 476 477 static int SortFnByName(const void *_f1,const void *_f2) 478 { 479 const FUNCTION *f1=_f1; 480 const FUNCTION *f2=_f2; 481 482 if(f1->type != f2->type) 483 return f1->type-f2->type; 484 return strcmp(f1->name,f2->name); 485 } 486 487 static LHASH *prog_init(void) 488 { 489 LHASH *ret; 490 FUNCTION *f; 491 int i; 492 493 /* Purely so it looks nice when the user hits ? */ 494 for(i=0,f=functions ; f->name != NULL ; ++f,++i) 495 ; 496 qsort(functions,i,sizeof *functions,SortFnByName); 497 498 if ((ret=lh_new(hash, cmp)) == NULL) 499 return(NULL); 500 501 for (f=functions; f->name != NULL; f++) 502 lh_insert(ret,f); 503 return(ret); 504 } 505 506 /* static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) */ 507 static int MS_CALLBACK cmp(const void *a_void, const void *b_void) 508 { 509 return(strncmp(((FUNCTION *)a_void)->name, 510 ((FUNCTION *)b_void)->name,8)); 511 } 512 513 /* static unsigned long MS_CALLBACK hash(FUNCTION *a) */ 514 static unsigned long MS_CALLBACK hash(const void *a_void) 515 { 516 return(lh_strhash(((FUNCTION *)a_void)->name)); 517 } 518