apps/openssl.c

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