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 #ifndef DEBUG 60 #undef DEBUG 61 #endif 62 63 #include <stdio.h> 64 #include <string.h> 65 #include <stdlib.h> 66 #include <openssl/bio.h> 67 #include <openssl/crypto.h> 68 #include <openssl/lhash.h> 69 #include <openssl/conf.h> 70 #include <openssl/x509.h> 71 #include <openssl/pem.h> 72 #include <openssl/ssl.h> 73 #define SSLEAY /* turn off a few special case MONOLITH macros */ 74 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */ 75 #define SSLEAY_SRC 76 #include "apps.h" 77 #include "s_apps.h" 78 #include <openssl/err.h> 79 80 /* 81 #ifdef WINDOWS 82 #include "bss_file.c" 83 #endif 84 */ 85 86 static unsigned long MS_CALLBACK hash(FUNCTION *a); 87 static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); 88 static LHASH *prog_init(void ); 89 static int do_cmd(LHASH *prog,int argc,char *argv[]); 90 LHASH *config=NULL; 91 char *default_config_file=NULL; 92 93 #ifdef DEBUG 94 static void sig_stop(int i) 95 { 96 char *a=NULL; 97 98 *a='\0'; 99 } 100 #endif 101 102 /* Make sure there is only one when MONOLITH is defined */ 103 #ifdef MONOLITH 104 BIO *bio_err=NULL; 105 #endif 106 107 int main(int Argc, char *Argv[]) 108 { 109 ARGS arg; 110 #define PROG_NAME_SIZE 16 111 char pname[PROG_NAME_SIZE]; 112 FUNCTION f,*fp; 113 MS_STATIC char *prompt,buf[1024],config_name[256]; 114 int n,i,ret=0; 115 int argc; 116 char **argv,*p; 117 LHASH *prog=NULL; 118 long errline; 119 120 arg.data=NULL; 121 arg.count=0; 122 123 /* SSLeay_add_ssl_algorithms(); is called in apps_startup() */ 124 apps_startup(); 125 126 #if defined(DEBUG) && !defined(WINDOWS) && !defined(MSDOS) 127 #ifdef SIGBUS 128 signal(SIGBUS,sig_stop); 129 #endif 130 #ifdef SIGSEGV 131 signal(SIGSEGV,sig_stop); 132 #endif 133 #endif 134 135 if (bio_err == NULL) 136 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 137 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 138 139 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 140 141 ERR_load_crypto_strings(); 142 143 /* Lets load up our environment a little */ 144 p=getenv("OPENSSL_CONF"); 145 if (p == NULL) 146 p=getenv("SSLEAY_CONF"); 147 if (p == NULL) 148 { 149 strcpy(config_name,X509_get_default_cert_area()); 150 #ifndef VMS 151 strcat(config_name,"/"); 152 #endif 153 strcat(config_name,OPENSSL_CONF); 154 p=config_name; 155 } 156 157 default_config_file=p; 158 159 config=CONF_load(config,p,&errline); 160 if (config == NULL) ERR_clear_error(); 161 162 prog=prog_init(); 163 164 /* first check the program name */ 165 program_name(Argv[0],pname,PROG_NAME_SIZE); 166 167 f.name=pname; 168 fp=(FUNCTION *)lh_retrieve(prog,(char *)&f); 169 if (fp != NULL) 170 { 171 Argv[0]=pname; 172 ret=fp->func(Argc,Argv); 173 goto end; 174 } 175 176 /* ok, now check that there are not arguments, if there are, 177 * run with them, shifting the ssleay off the front */ 178 if (Argc != 1) 179 { 180 Argc--; 181 Argv++; 182 ret=do_cmd(prog,Argc,Argv); 183 if (ret < 0) ret=0; 184 goto end; 185 } 186 187 /* ok, lets enter the old 'OpenSSL>' mode */ 188 189 for (;;) 190 { 191 ret=0; 192 p=buf; 193 n=1024; 194 i=0; 195 for (;;) 196 { 197 p[0]='\0'; 198 if (i++) 199 prompt=">"; 200 else prompt="OpenSSL> "; 201 fputs(prompt,stdout); 202 fflush(stdout); 203 fgets(p,n,stdin); 204 if (p[0] == '\0') goto end; 205 i=strlen(p); 206 if (i <= 1) break; 207 if (p[i-2] != '\\') break; 208 i-=2; 209 p+=i; 210 n-=i; 211 } 212 if (!chopup_args(&arg,buf,&argc,&argv)) break; 213 214 ret=do_cmd(prog,argc,argv); 215 if (ret < 0) 216 { 217 ret=0; 218 goto end; 219 } 220 if (ret != 0) 221 BIO_printf(bio_err,"error in %s\n",argv[0]); 222 (void)BIO_flush(bio_err); 223 } 224 BIO_printf(bio_err,"bad exit\n"); 225 ret=1; 226 end: 227 if (config != NULL) 228 { 229 CONF_free(config); 230 config=NULL; 231 } 232 if (prog != NULL) lh_free(prog); 233 if (arg.data != NULL) Free(arg.data); 234 ERR_remove_state(0); 235 236 EVP_cleanup(); 237 ERR_free_strings(); 238 239 CRYPTO_mem_leaks(bio_err); 240 if (bio_err != NULL) 241 { 242 BIO_free(bio_err); 243 bio_err=NULL; 244 } 245 EXIT(ret); 246 } 247 248 #define LIST_STANDARD_COMMANDS "list-standard-commands" 249 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands" 250 #define LIST_CIPHER_COMMANDS "list-cipher-commands" 251 252 static int do_cmd(LHASH *prog, int argc, char *argv[]) 253 { 254 FUNCTION f,*fp; 255 int i,ret=1,tp,nl; 256 257 if ((argc <= 0) || (argv[0] == NULL)) 258 { ret=0; goto end; } 259 f.name=argv[0]; 260 fp=(FUNCTION *)lh_retrieve(prog,(char *)&f); 261 if (fp != NULL) 262 { 263 ret=fp->func(argc,argv); 264 } 265 else if ((strcmp(argv[0],"quit") == 0) || 266 (strcmp(argv[0],"q") == 0) || 267 (strcmp(argv[0],"exit") == 0) || 268 (strcmp(argv[0],"bye") == 0)) 269 { 270 ret= -1; 271 goto end; 272 } 273 else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) || 274 (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) || 275 (strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0)) 276 { 277 int list_type; 278 BIO *bio_stdout; 279 280 if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) 281 list_type = FUNC_TYPE_GENERAL; 282 else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) 283 list_type = FUNC_TYPE_MD; 284 else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */ 285 list_type = FUNC_TYPE_CIPHER; 286 bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); 287 288 for (fp=functions; fp->name != NULL; fp++) 289 if (fp->type == list_type) 290 BIO_printf(bio_stdout, "%s\n", fp->name); 291 BIO_free(bio_stdout); 292 ret=0; 293 goto end; 294 } 295 else 296 { 297 BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n", 298 argv[0]); 299 BIO_printf(bio_err, "\nStandard commands"); 300 i=0; 301 tp=0; 302 for (fp=functions; fp->name != NULL; fp++) 303 { 304 nl=0; 305 if (((i++) % 5) == 0) 306 { 307 BIO_printf(bio_err,"\n"); 308 nl=1; 309 } 310 if (fp->type != tp) 311 { 312 tp=fp->type; 313 if (!nl) BIO_printf(bio_err,"\n"); 314 if (tp == FUNC_TYPE_MD) 315 { 316 i=1; 317 BIO_printf(bio_err, 318 "\nMessage Digest commands (see the `dgst' command for more details)\n"); 319 } 320 else if (tp == FUNC_TYPE_CIPHER) 321 { 322 i=1; 323 BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n"); 324 } 325 } 326 BIO_printf(bio_err,"%-15s",fp->name); 327 } 328 BIO_printf(bio_err,"\n\n"); 329 ret=0; 330 } 331 end: 332 return(ret); 333 } 334 335 static int SortFnByName(const void *_f1,const void *_f2) 336 { 337 const FUNCTION *f1=_f1; 338 const FUNCTION *f2=_f2; 339 340 if(f1->type != f2->type) 341 return f1->type-f2->type; 342 return strcmp(f1->name,f2->name); 343 } 344 345 static LHASH *prog_init(void) 346 { 347 LHASH *ret; 348 FUNCTION *f; 349 int i; 350 351 /* Purely so it looks nice when the user hits ? */ 352 for(i=0,f=functions ; f->name != NULL ; ++f,++i) 353 ; 354 qsort(functions,i,sizeof *functions,SortFnByName); 355 356 if ((ret=lh_new(hash,cmp)) == NULL) return(NULL); 357 358 for (f=functions; f->name != NULL; f++) 359 lh_insert(ret,(char *)f); 360 return(ret); 361 } 362 363 static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) 364 { 365 return(strncmp(a->name,b->name,8)); 366 } 367 368 static unsigned long MS_CALLBACK hash(FUNCTION *a) 369 { 370 return(lh_strhash(a->name)); 371 } 372 373 #undef SSLEAY 374