apps/s_cb.c

   1 /* apps/s_cb.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 <stdlib.h>
  61 #define USE_SOCKETS
  62 #define NON_MAIN
  63 #include "apps.h"
  64 #undef NON_MAIN
  65 #undef USE_SOCKETS
  66 #include "err.h"
  67 #include "x509.h"
  68 #include "ssl.h"
  69 #include "s_apps.h"
  70
  71 int verify_depth=0;
  72 int verify_error=X509_V_OK;
  73
  74 int MS_CALLBACK verify_callback(ok, ctx)
  75 int ok;
  76 X509_STORE_CTX *ctx;
  77         {
  78         char buf[256];
  79         X509 *err_cert;
  80         int err,depth;
  81
  82         err_cert=X509_STORE_CTX_get_current_cert(ctx);
  83         err=    X509_STORE_CTX_get_error(ctx);
  84         depth=  X509_STORE_CTX_get_error_depth(ctx);
  85
  86         X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
  87         BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
  88         if (!ok)
  89                 {
  90                 BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
  91                         X509_verify_cert_error_string(err));
  92                 if (verify_depth >= depth)
  93                         {
  94                         ok=1;
  95                         verify_error=X509_V_OK;
  96                         }
  97                 else
  98                         {
  99                         ok=0;
 100                         verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
 101                         }
 102                 }
 103         switch (ctx->error)
 104                 {
 105         case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
 106                 X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
 107                 BIO_printf(bio_err,"issuer= %s\n",buf);
 108                 break;
 109         case X509_V_ERR_CERT_NOT_YET_VALID:
 110         case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
 111                 BIO_printf(bio_err,"notBefore=");
 112                 ASN1_UTCTIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
 113                 BIO_printf(bio_err,"\n");
 114                 break;
 115         case X509_V_ERR_CERT_HAS_EXPIRED:
 116         case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
 117                 BIO_printf(bio_err,"notAfter=");
 118                 ASN1_UTCTIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
 119                 BIO_printf(bio_err,"\n");
 120                 break;
 121                 }
 122         BIO_printf(bio_err,"verify return:%d\n",ok);
 123         return(ok);
 124         }
 125
 126 int set_cert_stuff(ctx, cert_file, key_file)
 127 SSL_CTX *ctx;
 128 char *cert_file;
 129 char *key_file;
 130         {
 131         if (cert_file != NULL)
 132                 {
 133                 SSL *ssl;
 134                 X509 *x509;
 135
 136                 if (SSL_CTX_use_certificate_file(ctx,cert_file,
 137                         SSL_FILETYPE_PEM) <= 0)
 138                         {
 139                         BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
 140                         ERR_print_errors(bio_err);
 141                         return(0);
 142                         }
 143                 if (key_file == NULL) key_file=cert_file;
 144                 if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
 145                         SSL_FILETYPE_PEM) <= 0)
 146                         {
 147                         BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
 148                         ERR_print_errors(bio_err);
 149                         return(0);
 150                         }
 151
 152                 ssl=SSL_new(ctx);
 153                 x509=SSL_get_certificate(ssl);
 154
 155                 if (x509 != NULL)
 156                         EVP_PKEY_copy_parameters(X509_get_pubkey(x509),
 157                                 SSL_get_privatekey(ssl));
 158                 SSL_free(ssl);
 159
 160                 /* If we are using DSA, we can copy the parameters from
 161                  * the private key */
 162
 163
 164                 /* Now we know that a key and cert have been set against
 165                  * the SSL context */
 166                 if (!SSL_CTX_check_private_key(ctx))
 167                         {
 168                         BIO_printf(bio_err,"Private key does not match the certificate public key\n");
 169                         return(0);
 170                         }
 171                 }
 172         return(1);
 173         }
 174
 175 long MS_CALLBACK bio_dump_cb(bio,cmd,argp,argi,argl,ret)
 176 BIO *bio;
 177 int cmd;
 178 char *argp;
 179 int argi;
 180 long argl;
 181 long ret;
 182         {
 183         BIO *out;
 184
 185         out=(BIO *)BIO_get_callback_arg(bio);
 186         if (out == NULL) return(ret);
 187
 188         if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
 189                 {
 190                 BIO_printf(out,"read from %08X [%08lX] (%d bytes => %ld (0x%X))\n",
 191                         bio,argp,argi,ret,ret);
 192                 BIO_dump(out,argp,(int)ret);
 193                 return(ret);
 194                 }
 195         else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
 196                 {
 197                 BIO_printf(out,"write to %08X [%08lX] (%d bytes => %ld (0x%X))\n",
 198                         bio,argp,argi,ret,ret);
 199                 BIO_dump(out,argp,(int)ret);
 200                 }
 201         return(ret);
 202         }
 203
 204 void MS_CALLBACK apps_ssl_info_callback(s,where,ret)
 205 SSL *s;
 206 int where;
 207 int ret;
 208         {
 209         char *str;
 210         int w;
 211
 212         w=where& ~SSL_ST_MASK;
 213
 214         if (w & SSL_ST_CONNECT) str="SSL_connect";
 215         else if (w & SSL_ST_ACCEPT) str="SSL_accept";
 216         else str="undefined";
 217
 218         if (where & SSL_CB_LOOP)
 219                 {
 220                 BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
 221                 }
 222         else if (where & SSL_CB_ALERT)
 223                 {
 224                 str=(where & SSL_CB_READ)?"read":"write";
 225                 BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
 226                         str,
 227                         SSL_alert_type_string_long(ret),
 228                         SSL_alert_desc_string_long(ret));
 229                 }
 230         else if (where & SSL_CB_EXIT)
 231                 {
 232                 if (ret == 0)
 233                         BIO_printf(bio_err,"%s:failed in %s\n",
 234                                 str,SSL_state_string_long(s));
 235                 else if (ret < 0)
 236                         {
 237                         BIO_printf(bio_err,"%s:error in %s\n",
 238                                 str,SSL_state_string_long(s));
 239                         }
 240                 }
 241         }
 242