[thirdparty/openssl.git] / apps / s_cb.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));
			}
		}
	}
Commit	Line	Data
863fe2ec	1	/* apps/s_cb.c - callback functions used by s_client, s_server, and s_time */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	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
ec577822 BM	66	#include <openssl/err.h>
	67	#include <openssl/x509.h>
	68	#include <openssl/ssl.h>
d02b48c6 RE	69	#include "s_apps.h"
	70
	71	int verify_depth=0;
	72	int verify_error=X509_V_OK;
	73
6b691a5c	74	int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
d02b48c6 RE	75	{
	76	char buf[256];
	77	X509 *err_cert;
	78	int err,depth;
	79
	80	err_cert=X509_STORE_CTX_get_current_cert(ctx);
	81	err= X509_STORE_CTX_get_error(ctx);
	82	depth= X509_STORE_CTX_get_error_depth(ctx);
	83
	84	X509_NAME_oneline(X509_get_subject_name(err_cert),buf,256);
	85	BIO_printf(bio_err,"depth=%d %s\n",depth,buf);
	86	if (!ok)
	87	{
	88	BIO_printf(bio_err,"verify error:num=%d:%s\n",err,
	89	X509_verify_cert_error_string(err));
	90	if (verify_depth >= depth)
	91	{
	92	ok=1;
	93	verify_error=X509_V_OK;
	94	}
	95	else
	96	{
	97	ok=0;
	98	verify_error=X509_V_ERR_CERT_CHAIN_TOO_LONG;
	99	}
	100	}
	101	switch (ctx->error)
	102	{
	103	case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
	104	X509_NAME_oneline(X509_get_issuer_name(ctx->current_cert),buf,256);
	105	BIO_printf(bio_err,"issuer= %s\n",buf);
	106	break;
	107	case X509_V_ERR_CERT_NOT_YET_VALID:
	108	case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
	109	BIO_printf(bio_err,"notBefore=");
9b5cc156	110	ASN1_TIME_print(bio_err,X509_get_notBefore(ctx->current_cert));
d02b48c6 RE	111	BIO_printf(bio_err,"\n");
	112	break;
	113	case X509_V_ERR_CERT_HAS_EXPIRED:
	114	case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
	115	BIO_printf(bio_err,"notAfter=");
9b5cc156	116	ASN1_TIME_print(bio_err,X509_get_notAfter(ctx->current_cert));
d02b48c6 RE	117	BIO_printf(bio_err,"\n");
	118	break;
	119	}
	120	BIO_printf(bio_err,"verify return:%d\n",ok);
	121	return(ok);
	122	}
	123
6b691a5c	124	int set_cert_stuff(SSL_CTX ctx, char cert_file, char *key_file)
d02b48c6 RE	125	{
	126	if (cert_file != NULL)
	127	{
dfeab068	128	/*
d02b48c6 RE	129	SSL *ssl;
d02b48c6 RE	130	X509 *x509;
dfeab068	131	*/
d02b48c6 RE	132
	133	if (SSL_CTX_use_certificate_file(ctx,cert_file,
	134	SSL_FILETYPE_PEM) <= 0)
	135	{
58964a49	136	BIO_printf(bio_err,"unable to get certificate from '%s'\n",cert_file);
d02b48c6 RE	137	ERR_print_errors(bio_err);
	138	return(0);
	139	}
	140	if (key_file == NULL) key_file=cert_file;
	141	if (SSL_CTX_use_PrivateKey_file(ctx,key_file,
	142	SSL_FILETYPE_PEM) <= 0)
	143	{
58964a49	144	BIO_printf(bio_err,"unable to get private key from '%s'\n",key_file);
d02b48c6 RE	145	ERR_print_errors(bio_err);
	146	return(0);
	147	}
	148
dfeab068 RE	149	/*
dfeab068 RE	150	In theory this is no longer needed
d02b48c6 RE	151	ssl=SSL_new(ctx);
	152	x509=SSL_get_certificate(ssl);
	153
a8236c8c DSH	154	if (x509 != NULL) {
	155	EVP_PKEY *pktmp;
	156	pktmp = X509_get_pubkey(x509);
	157	EVP_PKEY_copy_parameters(pktmp,
	158	SSL_get_privatekey(ssl));
	159	EVP_PKEY_free(pktmp);
	160	}
d02b48c6	161	SSL_free(ssl);
dfeab068	162	*/
d02b48c6 RE	163
	164	/* If we are using DSA, we can copy the parameters from
	165	* the private key */
	166
	167
	168	/* Now we know that a key and cert have been set against
	169	* the SSL context */
	170	if (!SSL_CTX_check_private_key(ctx))
	171	{
	172	BIO_printf(bio_err,"Private key does not match the certificate public key\n");
	173	return(0);
	174	}
	175	}
	176	return(1);
	177	}
	178
6b691a5c UM	179	long MS_CALLBACK bio_dump_cb(BIO bio, int cmd, const char argp, int argi,
6b691a5c UM	180	long argl, long ret)
d02b48c6 RE	181	{
	182	BIO *out;
	183
	184	out=(BIO *)BIO_get_callback_arg(bio);
	185	if (out == NULL) return(ret);
	186
	187	if (cmd == (BIO_CB_READ\|BIO_CB_RETURN))
	188	{
	189	BIO_printf(out,"read from %08X [%08lX] (%d bytes => %ld (0x%X))\n",
	190	bio,argp,argi,ret,ret);
	191	BIO_dump(out,argp,(int)ret);
	192	return(ret);
	193	}
	194	else if (cmd == (BIO_CB_WRITE\|BIO_CB_RETURN))
	195	{
	196	BIO_printf(out,"write to %08X [%08lX] (%d bytes => %ld (0x%X))\n",
	197	bio,argp,argi,ret,ret);
	198	BIO_dump(out,argp,(int)ret);
	199	}
	200	return(ret);
	201	}
	202
6b691a5c	203	void MS_CALLBACK apps_ssl_info_callback(SSL *s, int where, int ret)
d02b48c6 RE	204	{
	205	char *str;
	206	int w;
	207
	208	w=where& ~SSL_ST_MASK;
	209
	210	if (w & SSL_ST_CONNECT) str="SSL_connect";
	211	else if (w & SSL_ST_ACCEPT) str="SSL_accept";
	212	else str="undefined";
	213
	214	if (where & SSL_CB_LOOP)
	215	{
	216	BIO_printf(bio_err,"%s:%s\n",str,SSL_state_string_long(s));
	217	}
	218	else if (where & SSL_CB_ALERT)
	219	{
	220	str=(where & SSL_CB_READ)?"read":"write";
	221	BIO_printf(bio_err,"SSL3 alert %s:%s:%s\n",
	222	str,
	223	SSL_alert_type_string_long(ret),
	224	SSL_alert_desc_string_long(ret));
	225	}
	226	else if (where & SSL_CB_EXIT)
	227	{
	228	if (ret == 0)
	229	BIO_printf(bio_err,"%s:failed in %s\n",
	230	str,SSL_state_string_long(s));
	231	else if (ret < 0)
	232	{
	233	BIO_printf(bio_err,"%s:error in %s\n",
	234	str,SSL_state_string_long(s));
	235	}
	236	}
	237	}
	238