apps/openssl.c

   1 /* apps/ssleay.c */
   2 /* Copyright (C) 1995-1997 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 #define DEBUG
  60
  61 #include <stdio.h>
  62 #include <string.h>
  63 #include <stdlib.h>
  64 #ifdef WIN16
  65 #define APPS_WIN16
  66 #endif
  67 #include "bio.h"
  68 #include "crypto.h"
  69 #include "lhash.h"
  70 #include "conf.h"
  71 #include "x509.h"
  72 #include "pem.h"
  73 #include "ssl.h"
  74 #define SSLEAY  /* turn off a few special case MONOLITH macros */
  75 #define USE_SOCKETS /* needed for the _O_BINARY defs in the MS world */
  76 #define SSLEAY_SRC
  77 #include "apps.h"
  78 #include "s_apps.h"
  79 #include "err.h"
  80
  81
  82 #ifndef NOPROTO
  83 static unsigned long MS_CALLBACK hash(FUNCTION *a);
  84 static int MS_CALLBACK cmp(FUNCTION *a,FUNCTION *b);
  85 static LHASH *prog_init(void );
  86 static int do_cmd(LHASH *prog,int argc,char *argv[]);
  87 static void sig_stop(int i);
  88 #else
  89 static unsigned long MS_CALLBACK hash();
  90 static int MS_CALLBACK cmp();
  91 static LHASH *prog_init();
  92 static int do_cmd();
  93 static void sig_stop();
  94 #endif
  95
  96 LHASH *config=NULL;
  97 char *default_config_file=NULL;
  98
  99 #ifdef DEBUG
 100 static void sig_stop(i)
 101 int i;
 102         {
 103         char *a=NULL;
 104
 105         *a='\0';
 106         }
 107 #endif
 108
 109 /* Make sure there is only one when MONOLITH is defined */
 110 #ifdef MONOLITH
 111 BIO *bio_err=NULL;
 112 #endif
 113
 114 int main(Argc,Argv)
 115 int Argc;
 116 char *Argv[];
 117         {
 118         ARGS arg;
 119 #define PROG_NAME_SIZE  16
 120         char pname[PROG_NAME_SIZE];
 121         FUNCTION f,*fp;
 122         MS_STATIC char *prompt,buf[1024],config_name[256];
 123         int n,i,ret=0;
 124         int argc;
 125         char **argv,*p;
 126         LHASH *prog=NULL;
 127         long errline;
 128
 129         arg.data=NULL;
 130         arg.count=0;
 131
 132         /* SSLeay_add_ssl_algorithms(); is called in apps_startup() */
 133         apps_startup();
 134
 135 #if defined(DEBUG) && !defined(WINDOWS) && !defined(MSDOS)
 136 #ifdef SIGBUS
 137         signal(SIGBUS,sig_stop);
 138 #endif
 139 #ifdef SIGSEGV
 140         signal(SIGSEGV,sig_stop);
 141 #endif
 142 #endif
 143
 144         if (bio_err == NULL)
 145                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
 146                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE);
 147
 148         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
 149
 150         ERR_load_crypto_strings();
 151
 152         /* Lets load up our environment a little */
 153         p=getenv("SSLEAY_CONF");
 154         if (p == NULL)
 155                 {
 156                 strcpy(config_name,X509_get_default_cert_area());
 157                 strcat(config_name,"/lib/");
 158                 strcat(config_name,SSLEAY_CONF);
 159                 p=config_name;
 160                 }
 161
 162         default_config_file=p;
 163
 164         config=CONF_load(config,p,&errline);
 165         if (config == NULL) ERR_clear_error();
 166
 167         prog=prog_init();
 168
 169         /* first check the program name */
 170         program_name(Argv[0],pname,PROG_NAME_SIZE);
 171
 172         f.name=pname;
 173         fp=(FUNCTION *)lh_retrieve(prog,(char *)&f);
 174         if (fp != NULL)
 175                 {
 176                 Argv[0]=pname;
 177                 ret=fp->func(Argc,Argv);
 178                 goto end;
 179                 }
 180
 181         /* ok, now check that there are not arguments, if there are,
 182          * run with them, shifting the ssleay off the front */
 183         if (Argc != 1)
 184                 {
 185                 Argc--;
 186                 Argv++;
 187                 ret=do_cmd(prog,Argc,Argv);
 188                 if (ret < 0) ret=0;
 189                 goto end;
 190                 }
 191
 192         /* ok, lets enter the old 'SSLeay>' mode */
 193
 194         for (;;)
 195                 {
 196                 ret=0;
 197                 p=buf;
 198                 n=1024;
 199                 i=0;
 200                 for (;;)
 201                         {
 202                         p[0]='\0';
 203                         if (i++)
 204                                 prompt=">";
 205                         else    prompt="SSLeay>";
 206                         fputs(prompt,stdout);
 207                         fflush(stdout);
 208                         fgets(p,n,stdin);
 209                         if (p[0] == '\0') goto end;
 210                         i=strlen(p);
 211                         if (i <= 1) break;
 212                         if (p[i-2] != '\\') break;
 213                         i-=2;
 214                         p+=i;
 215                         n-=i;
 216                         }
 217                 if (!chopup_args(&arg,buf,&argc,&argv)) break;
 218
 219                 ret=do_cmd(prog,argc,argv);
 220                 if (ret < 0)
 221                         {
 222                         ret=0;
 223                         goto end;
 224                         }
 225                 if (ret != 0)
 226                         BIO_printf(bio_err,"error in %s\n",argv[0]);
 227                 }
 228         BIO_printf(bio_err,"bad exit\n");
 229         ret=1;
 230 end:
 231         if (config != NULL)
 232                 {
 233                 CONF_free(config);
 234                 config=NULL;
 235                 }
 236         if (prog != NULL) lh_free(prog);
 237         if (arg.data != NULL) Free(arg.data);
 238         ERR_remove_state(0);
 239
 240         EVP_cleanup();
 241
 242         CRYPTO_mem_leaks(bio_err);
 243         if (bio_err != NULL)
 244                 {
 245                 BIO_free(bio_err);
 246                 bio_err=NULL;
 247                 }
 248         EXIT(ret);
 249         }
 250
 251 static int do_cmd(prog,argc,argv)
 252 LHASH *prog;
 253 int argc;
 254 char *argv[];
 255         {
 256         FUNCTION f,*fp;
 257         int i,ret=1,tp,nl;
 258
 259         if ((argc <= 0) || (argv[0] == NULL))
 260                 { ret=0; goto end; }
 261         f.name=argv[0];
 262         fp=(FUNCTION *)lh_retrieve(prog,(char *)&f);
 263         if (fp != NULL)
 264                 {
 265                 ret=fp->func(argc,argv);
 266                 }
 267         else if ((strcmp(argv[0],"quit") == 0) ||
 268                 (strcmp(argv[0],"q") == 0) ||
 269                 (strcmp(argv[0],"exit") == 0) ||
 270                 (strcmp(argv[0],"bye") == 0))
 271                 {
 272                 ret= -1;
 273                 goto end;
 274                 }
 275         else
 276                 {
 277                 BIO_printf(bio_err,"'%s' is a bad command, valid commands are",
 278                         argv[0]);
 279                 i=0;
 280                 fp=functions;
 281                 tp=0;
 282                 for (fp=functions; fp->name != NULL; fp++)
 283                         {
 284                         nl=0;
 285                         if (((i++) % 5) == 0)
 286                                 {
 287                                 BIO_printf(bio_err,"\n");
 288                                 nl=1;
 289                                 }
 290                         if (fp->type != tp)
 291                                 {
 292                                 tp=fp->type;
 293                                 if (!nl) BIO_printf(bio_err,"\n");
 294                                 if (tp == FUNC_TYPE_MD)
 295                                         {
 296                                         i=1;
 297                                         BIO_printf(bio_err,
 298                                                 "Message Digest commands - see the dgst command for more details\n");
 299                                         }
 300                                 else if (tp == FUNC_TYPE_CIPHER)
 301                                         {
 302                                         i=1;
 303                                         BIO_printf(bio_err,"Cipher commands - see the enc command for more details\n");
 304                                         }
 305                                 }
 306                         BIO_printf(bio_err,"%-15s",fp->name);
 307                         }
 308                 BIO_printf(bio_err,"\nquit\n");
 309                 ret=0;
 310                 }
 311 end:
 312         return(ret);
 313         }
 314
 315 static LHASH *prog_init()
 316         {
 317         LHASH *ret;
 318         FUNCTION *f;
 319
 320         if ((ret=lh_new(hash,cmp)) == NULL) return(NULL);
 321
 322         for (f=functions; f->name != NULL; f++)
 323                 lh_insert(ret,(char *)f);
 324         return(ret);
 325         }
 326
 327 static int MS_CALLBACK cmp(a,b)
 328 FUNCTION *a,*b;
 329         {
 330         return(strncmp(a->name,b->name,8));
 331         }
 332
 333 static unsigned long MS_CALLBACK hash(a)
 334 FUNCTION *a;
 335         {
 336         return(lh_strhash(a->name));
 337         }
 338
 339 #undef SSLEAY