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