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