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 #include <stdio.h> 60 #include <string.h> 61 #include <stdlib.h> 62 #define OPENSSL_C /* tells apps.h to use complete apps_startup() */ 63 #include <openssl/bio.h> 64 #include <openssl/crypto.h> 65 #include <openssl/lhash.h> 66 #include <openssl/conf.h> 67 #include <openssl/x509.h> 68 #include <openssl/pem.h> 69 #include <openssl/ssl.h> 70 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */ 71 #include "apps.h" 72 #include "progs.h" 73 #include "s_apps.h" 74 #include <openssl/err.h> 75 76 static unsigned long MS_CALLBACK hash(FUNCTION *a); 77 static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b); 78 static LHASH *prog_init(void ); 79 static int do_cmd(LHASH *prog,int argc,char *argv[]); 80 LHASH *config=NULL; 81 char *default_config_file=NULL; 82 83 /* Make sure there is only one when MONOLITH is defined */ 84 #ifdef MONOLITH 85 BIO *bio_err=NULL; 86 #endif 87 88 int main(int Argc, char *Argv[]) 89 { 90 ARGS arg; 91 #define PROG_NAME_SIZE 16 92 char pname[PROG_NAME_SIZE]; 93 FUNCTION f,*fp; 94 MS_STATIC char *prompt,buf[1024],config_name[256]; 95 int n,i,ret=0; 96 int argc; 97 char **argv,*p; 98 LHASH *prog=NULL; 99 long errline; 100 101 arg.data=NULL; 102 arg.count=0; 103 104 if (getenv("OPENSSL_DEBUG_MEMORY") != NULL) 105 CRYPTO_malloc_debug_init(); 106 CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); 107 108 apps_startup(); 109 110 if (bio_err == NULL) 111 if ((bio_err=BIO_new(BIO_s_file())) != NULL) 112 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT); 113 114 ERR_load_crypto_strings(); 115 116 /* Lets load up our environment a little */ 117 p=getenv("OPENSSL_CONF"); 118 if (p == NULL) 119 p=getenv("SSLEAY_CONF"); 120 if (p == NULL) 121 { 122 strcpy(config_name,X509_get_default_cert_area()); 123 #ifndef VMS 124 strcat(config_name,"/"); 125 #endif 126 strcat(config_name,OPENSSL_CONF); 127 p=config_name; 128 } 129 130 default_config_file=p; 131 132 config=CONF_load(config,p,&errline); 133 if (config == NULL) ERR_clear_error(); 134 135 prog=prog_init(); 136 137 /* first check the program name */ 138 program_name(Argv[0],pname,PROG_NAME_SIZE); 139 140 f.name=pname; 141 fp=(FUNCTION *)lh_retrieve(prog,&f); 142 if (fp != NULL) 143 { 144 Argv[0]=pname; 145 ret=fp->func(Argc,Argv); 146 goto end; 147 } 148 149 /* ok, now check that there are not arguments, if there are, 150 * run with them, shifting the ssleay off the front */ 151 if (Argc != 1) 152 { 153 Argc--; 154 Argv++; 155 ret=do_cmd(prog,Argc,Argv); 156 if (ret < 0) ret=0; 157 goto end; 158 } 159 160 /* ok, lets enter the old 'OpenSSL>' mode */ 161 162 for (;;) 163 { 164 ret=0; 165 p=buf; 166 n=1024; 167 i=0; 168 for (;;) 169 { 170 p[0]='\0'; 171 if (i++) 172 prompt=">"; 173 else prompt="OpenSSL> "; 174 fputs(prompt,stdout); 175 fflush(stdout); 176 fgets(p,n,stdin); 177 if (p[0] == '\0') goto end; 178 i=strlen(p); 179 if (i <= 1) break; 180 if (p[i-2] != '\\') break; 181 i-=2; 182 p+=i; 183 n-=i; 184 } 185 if (!chopup_args(&arg,buf,&argc,&argv)) break; 186 187 ret=do_cmd(prog,argc,argv); 188 if (ret < 0) 189 { 190 ret=0; 191 goto end; 192 } 193 if (ret != 0) 194 BIO_printf(bio_err,"error in %s\n",argv[0]); 195 (void)BIO_flush(bio_err); 196 } 197 BIO_printf(bio_err,"bad exit\n"); 198 ret=1; 199 end: 200 if (config != NULL) 201 { 202 CONF_free(config); 203 config=NULL; 204 } 205 if (prog != NULL) lh_free(prog); 206 if (arg.data != NULL) OPENSSL_free(arg.data); 207 ERR_remove_state(0); 208 209 EVP_cleanup(); 210 ERR_free_strings(); 211 212 CRYPTO_mem_leaks(bio_err); 213 if (bio_err != NULL) 214 { 215 BIO_free(bio_err); 216 bio_err=NULL; 217 } 218 EXIT(ret); 219 } 220 221 #define LIST_STANDARD_COMMANDS "list-standard-commands" 222 #define LIST_MESSAGE_DIGEST_COMMANDS "list-message-digest-commands" 223 #define LIST_CIPHER_COMMANDS "list-cipher-commands" 224 225 static int do_cmd(LHASH *prog, int argc, char *argv[]) 226 { 227 FUNCTION f,*fp; 228 int i,ret=1,tp,nl; 229 230 if ((argc <= 0) || (argv[0] == NULL)) 231 { ret=0; goto end; } 232 f.name=argv[0]; 233 fp=(FUNCTION *)lh_retrieve(prog,&f); 234 if (fp != NULL) 235 { 236 ret=fp->func(argc,argv); 237 } 238 else if ((strncmp(argv[0],"no-",3)) == 0) 239 { 240 BIO *bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); 241 #ifdef VMS 242 { 243 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 244 bio_stdout = BIO_push(tmpbio, bio_stdout); 245 } 246 #endif 247 f.name=argv[0]+3; 248 ret = (lh_retrieve(prog,&f) != NULL); 249 if (!ret) 250 BIO_printf(bio_stdout, "%s\n", argv[0]); 251 else 252 BIO_printf(bio_stdout, "%s\n", argv[0]+3); 253 BIO_free_all(bio_stdout); 254 goto end; 255 } 256 else if ((strcmp(argv[0],"quit") == 0) || 257 (strcmp(argv[0],"q") == 0) || 258 (strcmp(argv[0],"exit") == 0) || 259 (strcmp(argv[0],"bye") == 0)) 260 { 261 ret= -1; 262 goto end; 263 } 264 else if ((strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) || 265 (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) || 266 (strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0)) 267 { 268 int list_type; 269 BIO *bio_stdout; 270 271 if (strcmp(argv[0],LIST_STANDARD_COMMANDS) == 0) 272 list_type = FUNC_TYPE_GENERAL; 273 else if (strcmp(argv[0],LIST_MESSAGE_DIGEST_COMMANDS) == 0) 274 list_type = FUNC_TYPE_MD; 275 else /* strcmp(argv[0],LIST_CIPHER_COMMANDS) == 0 */ 276 list_type = FUNC_TYPE_CIPHER; 277 bio_stdout = BIO_new_fp(stdout,BIO_NOCLOSE); 278 #ifdef VMS 279 { 280 BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 281 bio_stdout = BIO_push(tmpbio, bio_stdout); 282 } 283 #endif 284 285 for (fp=functions; fp->name != NULL; fp++) 286 if (fp->type == list_type) 287 BIO_printf(bio_stdout, "%s\n", fp->name); 288 BIO_free_all(bio_stdout); 289 ret=0; 290 goto end; 291 } 292 else 293 { 294 BIO_printf(bio_err,"openssl:Error: '%s' is an invalid command.\n", 295 argv[0]); 296 BIO_printf(bio_err, "\nStandard commands"); 297 i=0; 298 tp=0; 299 for (fp=functions; fp->name != NULL; fp++) 300 { 301 nl=0; 302 if (((i++) % 5) == 0) 303 { 304 BIO_printf(bio_err,"\n"); 305 nl=1; 306 } 307 if (fp->type != tp) 308 { 309 tp=fp->type; 310 if (!nl) BIO_printf(bio_err,"\n"); 311 if (tp == FUNC_TYPE_MD) 312 { 313 i=1; 314 BIO_printf(bio_err, 315 "\nMessage Digest commands (see the `dgst' command for more details)\n"); 316 } 317 else if (tp == FUNC_TYPE_CIPHER) 318 { 319 i=1; 320 BIO_printf(bio_err,"\nCipher commands (see the `enc' command for more details)\n"); 321 } 322 } 323 BIO_printf(bio_err,"%-15s",fp->name); 324 } 325 BIO_printf(bio_err,"\n\n"); 326 ret=0; 327 } 328 end: 329 return(ret); 330 } 331 332 static int SortFnByName(const void *_f1,const void *_f2) 333 { 334 const FUNCTION *f1=_f1; 335 const FUNCTION *f2=_f2; 336 337 if(f1->type != f2->type) 338 return f1->type-f2->type; 339 return strcmp(f1->name,f2->name); 340 } 341 342 static LHASH *prog_init(void) 343 { 344 LHASH *ret; 345 FUNCTION *f; 346 int i; 347 348 /* Purely so it looks nice when the user hits ? */ 349 for(i=0,f=functions ; f->name != NULL ; ++f,++i) 350 ; 351 qsort(functions,i,sizeof *functions,SortFnByName); 352 353 if ((ret=lh_new(hash,cmp)) == NULL) return(NULL); 354 355 for (f=functions; f->name != NULL; f++) 356 lh_insert(ret,f); 357 return(ret); 358 } 359 360 static int MS_CALLBACK cmp(FUNCTION *a, FUNCTION *b) 361 { 362 return(strncmp(a->name,b->name,8)); 363 } 364 365 static unsigned long MS_CALLBACK hash(FUNCTION *a) 366 { 367 return(lh_strhash(a->name)); 368 } 369