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 130 131 /* The LHASH callbacks ("hash" & "cmp") have been replaced by functions with the 132 * base prototypes (we cast each variable inside the function to the required 133 * type of "FUNCTION*").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