freebsd-dev/crypto/openssl/apps/s_cb.c
2000-04-13 06:33:22 +00:00

239 lines
7.2 KiB
C

/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <stdlib.h>
#define USE_SOCKETS
#define NON_MAIN
#include "apps.h"
#undef NON_MAIN
#undef USE_SOCKETS
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/ssl.h>
#include "s_apps.h"
int verify_depth=0;
int verify_error=X509_V_OK;
int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
{
char buf[256];
X509 *err_cert;
int err,depth;
err_cert=X509_STORE_CTX_get_current_cert(ctx);
err= X509_STORE_CTX_get_error(ctx);
depth= X509_STORE_CTX_get_error_depth(ctx);
X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
if (!ok)
{
BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
X509_verify_cert_error_string(err));
if (verify_depth >= depth)
{
ok=1;
verify_error=X509_V_OK;
}
else
{
ok=0;
verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
}
}
switch (ctx->error)
{
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
BIO_printf(bio_err,"issuer= %s\n",buf);
break;
case X509_V_ERR_CERT_NOT_YET_VALID:
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
BIO_printf(bio_err,"notBefore=");
ASN1_TIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
BIO_printf(bio_err,"\n");
break;
case X509_V_ERR_CERT_HAS_EXPIRED:
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
BIO_printf(bio_err,"notAfter=");
ASN1_TIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
BIO_printf(bio_err,"\n");
break;
}
BIO_printf(bio_err,"verify return:%d\n",ok);
return(ok);
}
int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file)
{
if (cert_file != NULL)
{
/*
SSL *ssl;
X509 *x509;
*/
if (SSL_CTX_use_certificate_file(ctx,cert_file,
SSL_FILETYPE_PEM) <= 0)
{
BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
ERR_print_errors(bio_err);
return(0);
}
if (key_file == NULL) key_file=cert_file;
if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
SSL_FILETYPE_PEM) <= 0)
{
BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
ERR_print_errors(bio_err);
return(0);
}
/*
In theory this is no longer needed
ssl=SSL_new(ctx);
x509=SSL_get_certificate(ssl);
if (x509 != NULL) {
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(x509);
EVP_PKEY_copy_parameters(pktmp,
SSL_get_privatekey(ssl));
EVP_PKEY_free(pktmp);
}
SSL_free(ssl);
*/
/* If we are using DSA, we can copy the parameters from
* the private key */
/* Now we know that a key and cert have been set against
* the SSL context */
if (!SSL_CTX_check_private_key(ctx))
{
BIO_printf(bio_err,"Private key does not match the certificate public key\n");
return(0);
}
}
return(1);
}
long MS_CALLBACK bio_dump_cb(BIO *bio, int cmd, const char *argp, int argi,
long argl, long ret)
{
BIO *out;
out=(BIO *)BIO_get_callback_arg(bio);
if (out == NULL) return(ret);
if (cmd == (BIO_CB_READ|BIO_CB_RETURN))
{
BIO_printf(out,"read from %08X [%08lX] (%d bytes => %ld (0x%X))\n",
bio,argp,argi,ret,ret);
BIO_dump(out,argp,(int)ret);
return(ret);
}
else if (cmd == (BIO_CB_WRITE|BIO_CB_RETURN))
{
BIO_printf(out,"write to %08X [%08lX] (%d bytes => %ld (0x%X))\n",
bio,argp,argi,ret,ret);
BIO_dump(out,argp,(int)ret);
}
return(ret);
}
void MS_CALLBACK apps_ssl_info_callback(SSL *s, int where, int ret)
{
char *str;
int w;
w=where& ~SSL_ST_MASK;
if (w & SSL_ST_CONNECT) str="SSL_connect";
else if (w & SSL_ST_ACCEPT) str="SSL_accept";
else str="undefined";
if (where & SSL_CB_LOOP)
{
BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
}
else if (where & SSL_CB_ALERT)
{
str=(where & SSL_CB_READ)?"read":"write";
BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
str,
SSL_alert_type_string_long(ret),
SSL_alert_desc_string_long(ret));
}
else if (where & SSL_CB_EXIT)
{
if (ret == 0)
BIO_printf(bio_err,"%s:failed in %s\n",
str,SSL_state_string_long(s));
else if (ret < 0)
{
BIO_printf(bio_err,"%s:error in %s\n",
str,SSL_state_string_long(s));
}
}
}