/* apps/x509.c */

 /* 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 <assert.h>

 #include <stdio.h>

 #include <stdlib.h>

 #include <string.h>

 #ifdef OPENSSL_NO_STDIO

 #define APPS_WIN16

 #endif

 #include "apps.h"

 #include <openssl/bio.h>

 #include <openssl/asn1.h>

 #include <openssl/err.h>

 #include <openssl/bn.h>

 #include <openssl/evp.h>

 #include <openssl/x509.h>

 #include <openssl/x509v3.h>

 #include <openssl/objects.h>

 #include <openssl/pem.h>

 #ifndef OPENSSL_NO_RSA

 #include <openssl/rsa.h>

 #endif

 #ifndef OPENSSL_NO_DSA

 #include <openssl/dsa.h>

 #endif

 #undef PROG

 #define PROG x509_main

 #undef POSTFIX

 #define	POSTFIX	".srl"

 #define DEF_DAYS	30

 static const char *x509_usage[]={

 "usage: x509 args\n",

 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",

 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",

 " -keyform arg    - private key format - default PEM\n",

 " -CAform arg     - CA format - default PEM\n",

 " -CAkeyform arg  - CA key format - default PEM\n",

 " -in arg         - input file - default stdin\n",

 " -out arg        - output file - default stdout\n",

 " -passin arg     - private key password source\n",

 " -serial         - print serial number value\n",

 " -subject_hash   - print subject hash value\n",

 " -issuer_hash    - print issuer hash value\n",

 " -hash           - synonym for -subject_hash\n",

 " -subject        - print subject DN\n",

 " -issuer         - print issuer DN\n",

 " -email          - print email address(es)\n",

 " -startdate      - notBefore field\n",

 " -enddate        - notAfter field\n",

 " -purpose        - print out certificate purposes\n",

 " -dates          - both Before and After dates\n",

 " -modulus        - print the RSA key modulus\n",

 " -pubkey         - output the public key\n",

 " -fingerprint    - print the certificate fingerprint\n",

 " -alias          - output certificate alias\n",

 " -noout          - no certificate output\n",

 " -ocspid         - print OCSP hash values for the subject name and public key\n",

 " -trustout       - output a \"trusted\" certificate\n",

 " -clrtrust       - clear all trusted purposes\n",

 " -clrreject      - clear all rejected purposes\n",

 " -addtrust arg   - trust certificate for a given purpose\n",

 " -addreject arg  - reject certificate for a given purpose\n",

 " -setalias arg   - set certificate alias\n",

 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",

 " -checkend arg   - check whether the cert expires in the next arg seconds\n",

 "                   exit 1 if so, 0 if not\n",

 " -signkey arg    - self sign cert with arg\n",

 " -x509toreq      - output a certification request object\n",

 " -req            - input is a certificate request, sign and output.\n",

 " -CA arg         - set the CA certificate, must be PEM format.\n",

 " -CAkey arg      - set the CA key, must be PEM format\n",

 "                   missing, it is assumed to be in the CA file.\n",

 " -CAcreateserial - create serial number file if it does not exist\n",

 " -CAserial arg   - serial file\n",

 " -set_serial     - serial number to use\n",

 " -text           - print the certificate in text form\n",

 " -C              - print out C code forms\n",

 " -md2/-md5/-sha1/-mdc2 - digest to use\n",

 " -extfile        - configuration file with X509V3 extensions to add\n",

 " -extensions     - section from config file with X509V3 extensions to add\n",

 " -clrext         - delete extensions before signing and input certificate\n",

 " -nameopt arg    - various certificate name options\n",

 #ifndef OPENSSL_NO_ENGINE

 " -engine e       - use engine e, possibly a hardware device.\n",

 #endif

 " -certopt arg    - various certificate text options\n",

 NULL

 };

 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);

 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,

 						CONF *conf, char *section);

 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,

 			 X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,

 			 int create,int days, int clrext, CONF *conf, char *section,

 						ASN1_INTEGER *sno);

 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);

 static int reqfile=0;

 int MAIN(int, char **);

 int MAIN(int argc, char **argv)

 	{

 	ENGINE *e = NULL;

 	int ret=1;

 	X509_REQ *req=NULL;

 	X509 *x=NULL,*xca=NULL;

 	ASN1_OBJECT *objtmp;

 	EVP_PKEY *Upkey=NULL,*CApkey=NULL;

 	ASN1_INTEGER *sno = NULL;

 	int i,num,badops=0;

 	BIO *out=NULL;

 	BIO *STDout=NULL;

 	STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;

 	int informat,outformat,keyformat,CAformat,CAkeyformat;

 	char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;

 	char *CAkeyfile=NULL,*CAserial=NULL;

 	char *alias=NULL;

 	int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;

 	int next_serial=0;

 	int subject_hash=0,issuer_hash=0,ocspid=0;

 	int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;

 	int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;

 	int C=0;

 	int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;

 	int pprint = 0;

 	const char **pp;

 	X509_STORE *ctx=NULL;

 	X509_REQ *rq=NULL;

 	int fingerprint=0;

 	char buf[256];

 	const EVP_MD *md_alg,*digest=EVP_sha1();

 	CONF *extconf = NULL;

 	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;

 	int need_rand = 0;

 	int checkend=0,checkoffset=0;

 	unsigned long nmflag = 0, certflag = 0;

 #ifndef OPENSSL_NO_ENGINE

 	char *engine=NULL;

 #endif

 	reqfile=0;

 	apps_startup();

 	if (bio_err == NULL)

 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);

 	if (!load_config(bio_err, NULL))

 		goto end;

 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);

 #ifdef OPENSSL_SYS_VMS

 	{

 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());

 	STDout = BIO_push(tmpbio, STDout);

 	}

 #endif

 	informat=FORMAT_PEM;

 	outformat=FORMAT_PEM;

 	keyformat=FORMAT_PEM;

 	CAformat=FORMAT_PEM;

 	CAkeyformat=FORMAT_PEM;

 	ctx=X509_STORE_new();

 	if (ctx == NULL) goto end;

 	X509_STORE_set_verify_cb_func(ctx,callb);

 	argc--;

 	argv++;

 	num=0;

 	while (argc >= 1)

 		{

 		if 	(strcmp(*argv,"-inform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			informat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-outform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			outformat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-keyform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			keyformat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-req") == 0)

 			{

 			reqfile=1;

 			need_rand = 1;

 			}

 		else if (strcmp(*argv,"-CAform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			CAformat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-CAkeyform") == 0)

 			{

 			if (--argc < 1) goto bad;

 			CAkeyformat=str2fmt(*(++argv));

 			}

 		else if (strcmp(*argv,"-days") == 0)

 			{

 			if (--argc < 1) goto bad;

 			days=atoi(*(++argv));

 			if (days == 0)

 				{

 				BIO_printf(STDout,"bad number of days\n");

 				goto bad;

 				}

 			}

 		else if (strcmp(*argv,"-passin") == 0)

 			{

 			if (--argc < 1) goto bad;

 			passargin= *(++argv);

 			}

 		else if (strcmp(*argv,"-extfile") == 0)

 			{

 			if (--argc < 1) goto bad;

 			extfile= *(++argv);

 			}

 		else if (strcmp(*argv,"-extensions") == 0)

 			{

 			if (--argc < 1) goto bad;

 			extsect= *(++argv);

 			}

 		else if (strcmp(*argv,"-in") == 0)

 			{

 			if (--argc < 1) goto bad;

 			infile= *(++argv);

 			}

 		else if (strcmp(*argv,"-out") == 0)

 			{

 			if (--argc < 1) goto bad;

 			outfile= *(++argv);

 			}

 		else if (strcmp(*argv,"-signkey") == 0)

 			{

 			if (--argc < 1) goto bad;

 			keyfile= *(++argv);

 			sign_flag= ++num;

 			need_rand = 1;

 			}

 		else if (strcmp(*argv,"-CA") == 0)

 			{

 			if (--argc < 1) goto bad;

 			CAfile= *(++argv);

 			CA_flag= ++num;

 			need_rand = 1;

 			}

 		else if (strcmp(*argv,"-CAkey") == 0)

 			{

 			if (--argc < 1) goto bad;

 			CAkeyfile= *(++argv);

 			}

 		else if (strcmp(*argv,"-CAserial") == 0)

 			{

 			if (--argc < 1) goto bad;

 			CAserial= *(++argv);

 			}

 		else if (strcmp(*argv,"-set_serial") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))

 				goto bad;

 			}

 		else if (strcmp(*argv,"-addtrust") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))

 				{

 				BIO_printf(bio_err,

 					"Invalid trust object value %s\n", *argv);

 				goto bad;

 				}

 			if (!trust) trust = sk_ASN1_OBJECT_new_null();

 			sk_ASN1_OBJECT_push(trust, objtmp);

 			trustout = 1;

 			}

 		else if (strcmp(*argv,"-addreject") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))

 				{

 				BIO_printf(bio_err,

 					"Invalid reject object value %s\n", *argv);

 				goto bad;

 				}

 			if (!reject) reject = sk_ASN1_OBJECT_new_null();

 			sk_ASN1_OBJECT_push(reject, objtmp);

 			trustout = 1;

 			}

 		else if (strcmp(*argv,"-setalias") == 0)

 			{

 			if (--argc < 1) goto bad;

 			alias= *(++argv);

 			trustout = 1;

 			}

 		else if (strcmp(*argv,"-certopt") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!set_cert_ex(&certflag, *(++argv))) goto bad;

 			}

 		else if (strcmp(*argv,"-nameopt") == 0)

 			{

 			if (--argc < 1) goto bad;

 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;

 			}

 #ifndef OPENSSL_NO_ENGINE

 		else if (strcmp(*argv,"-engine") == 0)

 			{

 			if (--argc < 1) goto bad;

 			engine= *(++argv);

 			}

 #endif

 		else if (strcmp(*argv,"-C") == 0)

 			C= ++num;

 		else if (strcmp(*argv,"-email") == 0)

 			email= ++num;

 		else if (strcmp(*argv,"-serial") == 0)

 			serial= ++num;

 		else if (strcmp(*argv,"-next_serial") == 0)

 			next_serial= ++num;

 		else if (strcmp(*argv,"-modulus") == 0)

 			modulus= ++num;

 		else if (strcmp(*argv,"-pubkey") == 0)

 			pubkey= ++num;

 		else if (strcmp(*argv,"-x509toreq") == 0)

 			x509req= ++num;

 		else if (strcmp(*argv,"-text") == 0)

 			text= ++num;

 		else if (strcmp(*argv,"-hash") == 0

 			|| strcmp(*argv,"-subject_hash") == 0)

 			subject_hash= ++num;

 		else if (strcmp(*argv,"-issuer_hash") == 0)

 			issuer_hash= ++num;

 		else if (strcmp(*argv,"-subject") == 0)

 			subject= ++num;

 		else if (strcmp(*argv,"-issuer") == 0)

 			issuer= ++num;

 		else if (strcmp(*argv,"-fingerprint") == 0)

 			fingerprint= ++num;

 		else if (strcmp(*argv,"-dates") == 0)

 			{

 			startdate= ++num;

 			enddate= ++num;

 			}

 		else if (strcmp(*argv,"-purpose") == 0)

 			pprint= ++num;

 		else if (strcmp(*argv,"-startdate") == 0)

 			startdate= ++num;

 		else if (strcmp(*argv,"-enddate") == 0)

 			enddate= ++num;

 		else if (strcmp(*argv,"-checkend") == 0)

 			{

 			if (--argc < 1) goto bad;

 			checkoffset=atoi(*(++argv));

 			checkend=1;

 			}

 		else if (strcmp(*argv,"-noout") == 0)

 			noout= ++num;

 		else if (strcmp(*argv,"-trustout") == 0)

 			trustout= 1;

 		else if (strcmp(*argv,"-clrtrust") == 0)

 			clrtrust= ++num;

 		else if (strcmp(*argv,"-clrreject") == 0)

 			clrreject= ++num;

 		else if (strcmp(*argv,"-alias") == 0)

 			aliasout= ++num;

 		else if (strcmp(*argv,"-CAcreateserial") == 0)

 			CA_createserial= ++num;

 		else if (strcmp(*argv,"-clrext") == 0)

 			clrext = 1;

 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */

 		else if (strcmp(*argv,"-crlext") == 0)

 			{

 			BIO_printf(bio_err,"use -clrext instead of -crlext\n");

 			clrext = 1;

 			}

 #endif

 		else if (strcmp(*argv,"-ocspid") == 0)

 			ocspid= ++num;

 		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))

 			{

 			/* ok */

 			digest=md_alg;

 			}

 		else

 			{

 			BIO_printf(bio_err,"unknown option %s\n",*argv);

 			badops=1;

 			break;

 			}

 		argc--;

 		argv++;

 		}

 	if (badops)

 		{

 bad:

 		for (pp=x509_usage; (*pp != NULL); pp++)

 			BIO_printf(bio_err,"%s",*pp);

 		goto end;

 		}

 #ifndef OPENSSL_NO_ENGINE

         e = setup_engine(bio_err, engine, 0);

 #endif

 	if (need_rand)

 		app_RAND_load_file(NULL, bio_err, 0);

 	ERR_load_crypto_strings();

 	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))

 		{

 		BIO_printf(bio_err, "Error getting password\n");

 		goto end;

 		}

 	if (!X509_STORE_set_default_paths(ctx))

 		{

 		ERR_print_errors(bio_err);

 		goto end;

 		}

 	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))

 		{ CAkeyfile=CAfile; }

 	else if ((CA_flag) && (CAkeyfile == NULL))

 		{

 		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");

 		goto end;

 		}

 	if (extfile)

 		{

 		long errorline = -1;

 		X509V3_CTX ctx2;

 		extconf = NCONF_new(NULL);

 		if (!NCONF_load(extconf, extfile,&errorline))

 			{

 			if (errorline <= 0)

 				BIO_printf(bio_err,

 					"error loading the config file '%s'\n",

 								extfile);

                 	else

                         	BIO_printf(bio_err,

 				       "error on line %ld of config file '%s'\n"

 							,errorline,extfile);

 			goto end;

 			}

 		if (!extsect)

 			{

 			extsect = NCONF_get_string(extconf, "default", "extensions");

 			if (!extsect)

 				{

 				ERR_clear_error();

 				extsect = "default";

 				}

 			}

 		X509V3_set_ctx_test(&ctx2);

 		X509V3_set_nconf(&ctx2, extconf);

 		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))

 			{

 			BIO_printf(bio_err,

 				"Error Loading extension section %s\n",

 								 extsect);

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 		}

 	if (reqfile)

 		{

 		EVP_PKEY *pkey;

 		X509_CINF *ci;

 		BIO *in;

 		if (!sign_flag && !CA_flag)

 			{

 			BIO_printf(bio_err,"We need a private key to sign with\n");

 			goto end;

 			}

 		in=BIO_new(BIO_s_file());

 		if (in == NULL)

 			{

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 		if (infile == NULL)

 			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);

 		else

 			{

 			if (BIO_read_filename(in,infile) <= 0)

 				{

 				perror(infile);

 				BIO_free(in);

 				goto end;

 				}

 			}

 		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);

 		BIO_free(in);

 		if (req == NULL)

 			{

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 		if (	(req->req_info == NULL) ||

 			(req->req_info->pubkey == NULL) ||

 			(req->req_info->pubkey->public_key == NULL) ||

 			(req->req_info->pubkey->public_key->data == NULL))

 			{

 			BIO_printf(bio_err,"The certificate request appears to corrupted\n");

 			BIO_printf(bio_err,"It does not contain a public key\n");

 			goto end;

 			}

 		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)

 	                {

 	                BIO_printf(bio_err,"error unpacking public key\n");

 	                goto end;

 	                }

 		i=X509_REQ_verify(req,pkey);

 		EVP_PKEY_free(pkey);

 		if (i < 0)

 			{

 			BIO_printf(bio_err,"Signature verification error\n");

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 	        if (i == 0)

 			{

 			BIO_printf(bio_err,"Signature did not match the certificate request\n");

 			goto end;

 			}

 		else

 			BIO_printf(bio_err,"Signature ok\n");

 		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);

 		if ((x=X509_new()) == NULL) goto end;

 		ci=x->cert_info;

 		if (sno == NULL)

 			{

 			sno = ASN1_INTEGER_new();

 			if (!sno || !rand_serial(NULL, sno))

 				goto end;

 			if (!X509_set_serialNumber(x, sno)) 

 				goto end;

 			ASN1_INTEGER_free(sno);

 			sno = NULL;

 			}

 		else if (!X509_set_serialNumber(x, sno)) 

 			goto end;

 		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;

 		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;

 		X509_gmtime_adj(X509_get_notBefore(x),0);

 	        X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days);

 		pkey = X509_REQ_get_pubkey(req);

 		X509_set_pubkey(x,pkey);

 		EVP_PKEY_free(pkey);

 		}

 	else

 		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");

 	if (x == NULL) goto end;

 	if (CA_flag)

 		{

 		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");

 		if (xca == NULL) goto end;

 		}

 	if (!noout || text || next_serial)

 		{

 		OBJ_create("2.99999.3",

 			"SET.ex3","SET x509v3 extension 3");

 		out=BIO_new(BIO_s_file());

 		if (out == NULL)

 			{

 			ERR_print_errors(bio_err);

 			goto end;

 			}

 		if (outfile == NULL)

 			{

 			BIO_set_fp(out,stdout,BIO_NOCLOSE);

 #ifdef OPENSSL_SYS_VMS

 			{

 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());

 			out = BIO_push(tmpbio, out);

 			}

 #endif

 			}

 		else

 			{

 			if (BIO_write_filename(out,outfile) <= 0)

 				{

 				perror(outfile);

 				goto end;

 				}

 			}

 		}

 	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);

 	if (clrtrust) X509_trust_clear(x);

 	if (clrreject) X509_reject_clear(x);

 	if (trust)

 		{

 		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)

 			{

 			objtmp = sk_ASN1_OBJECT_value(trust, i);

 			X509_add1_trust_object(x, objtmp);

 			}

 		}

 	if (reject)

 		{

 		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)

 			{

 			objtmp = sk_ASN1_OBJECT_value(reject, i);

 			X509_add1_reject_object(x, objtmp);

 			}

 		}

 	if (num)

 		{

 		for (i=1; i<=num; i++)

 			{

 			if (issuer == i)

 				{

 				print_name(STDout, "issuer= ",

 					X509_get_issuer_name(x), nmflag);

 				}

 			else if (subject == i) 

 				{

 				print_name(STDout, "subject= ",

 					X509_get_subject_name(x), nmflag);

 				}

 			else if (serial == i)

 				{

 				BIO_printf(STDout,"serial=");

 				i2a_ASN1_INTEGER(STDout,

 					X509_get_serialNumber(x));

 				BIO_printf(STDout,"\n");

 				}

 			else if (next_serial == i)

 				{

 				BIGNUM *bnser;

 				ASN1_INTEGER *ser;

 				ser = X509_get_serialNumber(x);

 				bnser = ASN1_INTEGER_to_BN(ser, NULL);

 				if (!bnser)

 					goto end;

 				if (!BN_add_word(bnser, 1))

 					goto end;

 				ser = BN_to_ASN1_INTEGER(bnser, NULL);

 				if (!ser)

 					goto end;

 				BN_free(bnser);

 				i2a_ASN1_INTEGER(out, ser);

 				ASN1_INTEGER_free(ser);

 				BIO_puts(out, "\n");

 				}

 			else if (email == i) 

 				{

 				int j;

 				STACK *emlst;

 				emlst = X509_get1_email(x);

 				for (j = 0; j < sk_num(emlst); j++)

 					BIO_printf(STDout, "%s\n", sk_value(emlst, j));

 				X509_email_free(emlst);

 				}

 			else if (aliasout == i)

 				{

 				unsigned char *alstr;

 				alstr = X509_alias_get0(x, NULL);

 				if (alstr) BIO_printf(STDout,"%s\n", alstr);

 				else BIO_puts(STDout,"<No Alias>\n");

 				}

 			else if (subject_hash == i)

 				{

 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));

 				}

 			else if (issuer_hash == i)

 				{

 				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));

 				}

 			else if (pprint == i)

 				{

 				X509_PURPOSE *ptmp;

 				int j;

 				BIO_printf(STDout, "Certificate purposes:\n");

 				for (j = 0; j < X509_PURPOSE_get_count(); j++)

 					{

 					ptmp = X509_PURPOSE_get0(j);

 					purpose_print(STDout, x, ptmp);

 					}

 				}

 			else

 				if (modulus == i)

 				{

 				EVP_PKEY *pkey;

 				pkey=X509_get_pubkey(x);

 				if (pkey == NULL)

 					{

 					BIO_printf(bio_err,"Modulus=unavailable\n");

 					ERR_print_errors(bio_err);

 					goto end;

 					}

 				BIO_printf(STDout,"Modulus=");

 #ifndef OPENSSL_NO_RSA

 				if (pkey->type == EVP_PKEY_RSA)

 					BN_print(STDout,pkey->pkey.rsa->n);

 				else

 #endif

 #ifndef OPENSSL_NO_DSA

 				if (pkey->type == EVP_PKEY_DSA)

 					BN_print(STDout,pkey->pkey.dsa->pub_key);

 				else

 #endif

 					BIO_printf(STDout,"Wrong Algorithm type");

 				BIO_printf(STDout,"\n");

 				EVP_PKEY_free(pkey);

 				}

 			else

 				if (pubkey == i)

 				{

 				EVP_PKEY *pkey;

 				pkey=X509_get_pubkey(x);

 				if (pkey == NULL)

 					{

 					BIO_printf(bio_err,"Error getting public key\n");

 					ERR_print_errors(bio_err);

 					goto end;

 					}

 				PEM_write_bio_PUBKEY(STDout, pkey);

 				EVP_PKEY_free(pkey);

 				}

 			else

 				if (C == i)

 				{

 				unsigned char *d;

 				char *m;

 				int y,z;

 				X509_NAME_oneline(X509_get_subject_name(x),

 					buf,sizeof buf);

 				BIO_printf(STDout,"/* subject:%s */\n",buf);

 				m=X509_NAME_oneline(

 					X509_get_issuer_name(x),buf,

 					sizeof buf);

 				BIO_printf(STDout,"/* issuer :%s */\n",buf);

 				z=i2d_X509(x,NULL);

 				m=OPENSSL_malloc(z);

 				d=(unsigned char *)m;

 				z=i2d_X509_NAME(X509_get_subject_name(x),&d);

 				BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);

 				d=(unsigned char *)m;

 				for (y=0; y<z; y++)

 					{

 					BIO_printf(STDout,"0x%02X,",d[y]);

 					if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");

 					}

 				if (y%16 != 0) BIO_printf(STDout,"\n");

 				BIO_printf(STDout,"};\n");

 				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);

 				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);

 				d=(unsigned char *)m;

 				for (y=0; y<z; y++)

 					{

 					BIO_printf(STDout,"0x%02X,",d[y]);

 					if ((y & 0x0f) == 0x0f)

 						BIO_printf(STDout,"\n");

 					}

 				if (y%16 != 0) BIO_printf(STDout,"\n");

 				BIO_printf(STDout,"};\n");

 				z=i2d_X509(x,&d);

 				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);

 				d=(unsigned char *)m;

 				for (y=0; y<z; y++)

 					{

 					BIO_printf(STDout,"0x%02X,",d[y]);

 					if ((y & 0x0f) == 0x0f)

 						BIO_printf(STDout,"\n");

 					}

 				if (y%16 != 0) BIO_printf(STDout,"\n");

 				BIO_printf(STDout,"};\n");

 				OPENSSL_free(m);

 				}

 			else if (text == i)

 				{

 				X509_print_ex(out,x,nmflag, certflag);

 				}

 			else if (startdate == i)

 				{

 				BIO_puts(STDout,"notBefore=");

 				ASN1_TIME_print(STDout,X509_get_notBefore(x));

 				BIO_puts(STDout,"\n");

 				}

 			else if (enddate == i)

 				{

 				BIO_puts(STDout,"notAfter=");

 				ASN1_TIME_print(STDout,X509_get_notAfter(x));

 				BIO_puts(STDout,"\n");

 				}

 			else if (fingerprint == i)

 				{

 				int j;

 				unsigned int n;

 				unsigned char md[EVP_MAX_MD_SIZE];

 				if (!X509_digest(x,digest,md,&n))

 					{

 					BIO_printf(bio_err,"out of memory\n");

 					goto end;

 					}

 				BIO_printf(STDout,"%s Fingerprint=",

 						OBJ_nid2sn(EVP_MD_type(digest)));

 				for (j=0; j<(int)n; j++)

 					{

 					BIO_printf(STDout,"%02X%c",md[j],

 						(j+1 == (int)n)

 						?'\n':':');

 					}

 				}

 			/* should be in the library */

 			else if ((sign_flag == i) && (x509req == 0))

 				{

 				BIO_printf(bio_err,"Getting Private key\n");

 				if (Upkey == NULL)

 					{

 					Upkey=load_key(bio_err,

 						keyfile, keyformat, 0,

 						passin, e, "Private key");

 					if (Upkey == NULL) goto end;

 					}

 #ifndef OPENSSL_NO_DSA

 		                if (Upkey->type == EVP_PKEY_DSA)

 		                        digest=EVP_dss1();

 #endif

 #ifndef OPENSSL_NO_ECDSA

 				if (Upkey->type == EVP_PKEY_EC)

 					digest=EVP_ecdsa();

 #endif

 				assert(need_rand);

 				if (!sign(x,Upkey,days,clrext,digest,

 						 extconf, extsect)) goto end;

 				}

 			else if (CA_flag == i)

 				{

 				BIO_printf(bio_err,"Getting CA Private Key\n");

 				if (CAkeyfile != NULL)

 					{

 					CApkey=load_key(bio_err,

 						CAkeyfile, CAkeyformat,

 						0, passin, e,

 						"CA Private Key");

 					if (CApkey == NULL) goto end;

 					}

 #ifndef OPENSSL_NO_DSA

 		                if (CApkey->type == EVP_PKEY_DSA)

 		                        digest=EVP_dss1();

 #endif

 #ifndef OPENSSL_NO_ECDSA

 				if (CApkey->type == EVP_PKEY_EC)

 					digest = EVP_ecdsa();

 #endif

 				assert(need_rand);

 				if (!x509_certify(ctx,CAfile,digest,x,xca,

 					CApkey, CAserial,CA_createserial,days, clrext,

 					extconf, extsect, sno))

 					goto end;

 				}

 			else if (x509req == i)

 				{

 				EVP_PKEY *pk;

 				BIO_printf(bio_err,"Getting request Private Key\n");

 				if (keyfile == NULL)

 					{

 					BIO_printf(bio_err,"no request key file specified\n");

 					goto end;

 					}

 				else

 					{

 					pk=load_key(bio_err,

 						keyfile, FORMAT_PEM, 0,

 						passin, e, "request key");

 					if (pk == NULL) goto end;

 					}

 				BIO_printf(bio_err,"Generating certificate request\n");

 #ifndef OPENSSL_NO_DSA

 		                if (pk->type == EVP_PKEY_DSA)

 		                        digest=EVP_dss1();

 #endif

 #ifndef OPENSSL_NO_ECDSA

 				if (pk->type == EVP_PKEY_EC)

 					digest=EVP_ecdsa();

 #endif

 				rq=X509_to_X509_REQ(x,pk,digest);

 				EVP_PKEY_free(pk);

 				if (rq == NULL)

 					{

 					ERR_print_errors(bio_err);

 					goto end;

 					}

 				if (!noout)

 					{

 					X509_REQ_print(out,rq);

 					PEM_write_bio_X509_REQ(out,rq);

 					}

 				noout=1;

 				}

 			else if (ocspid == i)

 				{

 				X509_ocspid_print(out, x);

 				}

 			}

 		}

 	if (checkend)

 		{

 		time_t tcheck=time(NULL) + checkoffset;

 		if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)

 			{

 			BIO_printf(out,"Certificate will expire\n");

 			ret=1;

 			}

 		else

 			{

 			BIO_printf(out,"Certificate will not expire\n");

 			ret=0;

 			}

 		goto end;

 		}

 	if (noout)

 		{

 		ret=0;

 		goto end;

 		}

 	if 	(outformat == FORMAT_ASN1)

 		i=i2d_X509_bio(out,x);

 	else if (outformat == FORMAT_PEM)

 		{

 		if (trustout) i=PEM_write_bio_X509_AUX(out,x);

 		else i=PEM_write_bio_X509(out,x);

 		}

 	else if (outformat == FORMAT_NETSCAPE)

 		{

 		ASN1_HEADER ah;

 		ASN1_OCTET_STRING os;

 		os.data=(unsigned char *)NETSCAPE_CERT_HDR;

 		os.length=strlen(NETSCAPE_CERT_HDR);

 		ah.header= &os;

 		ah.data=(char *)x;

 		ah.meth=X509_asn1_meth();

 		i=ASN1_i2d_bio_of(ASN1_HEADER,i2d_ASN1_HEADER,out,&ah);

 		}

 	else	{

 		BIO_printf(bio_err,"bad output format specified for outfile\n");

 		goto end;

 		}

 	if (!i)

 		{

 		BIO_printf(bio_err,"unable to write certificate\n");

 		ERR_print_errors(bio_err);

 		goto end;

 		}

 	ret=0;

 end:

 	if (need_rand)

 		app_RAND_write_file(NULL, bio_err);

 	OBJ_cleanup();

 	NCONF_free(extconf);

 	BIO_free_all(out);

 	BIO_free_all(STDout);

 	X509_STORE_free(ctx);

 	X509_REQ_free(req);

 	X509_free(x);

 	X509_free(xca);

 	EVP_PKEY_free(Upkey);

 	EVP_PKEY_free(CApkey);

 	X509_REQ_free(rq);

 	ASN1_INTEGER_free(sno);

 	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);

 	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);

 	if (passin) OPENSSL_free(passin);

 	apps_shutdown();

 	OPENSSL_EXIT(ret);

 	}

 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)

 	{

 	char *buf = NULL, *p;

 	ASN1_INTEGER *bs = NULL;

 	BIGNUM *serial = NULL;

 	size_t len;

 	len = ((serialfile == NULL)

 		?(strlen(CAfile)+strlen(POSTFIX)+1)

 		:(strlen(serialfile)))+1;

 	buf=OPENSSL_malloc(len);

 	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }

 	if (serialfile == NULL)

 		{

 		BUF_strlcpy(buf,CAfile,len);

 		for (p=buf; *p; p++)

 			if (*p == '.')

 				{

 				*p='\0';

 				break;

 				}

 		BUF_strlcat(buf,POSTFIX,len);

 		}

 	else

 		BUF_strlcpy(buf,serialfile,len);

 	serial = load_serial(buf, create, NULL);

 	if (serial == NULL) goto end;

 	if (!BN_add_word(serial,1))

 		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }

 	if (!save_serial(buf, NULL, serial, &bs)) goto end;

  end:

 	if (buf) OPENSSL_free(buf);

 	BN_free(serial);

 	return bs;

 	}

 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,

 	     X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,

 	     int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)

 	{

 	int ret=0;

 	ASN1_INTEGER *bs=NULL;

 	X509_STORE_CTX xsc;

 	EVP_PKEY *upkey;

 	upkey = X509_get_pubkey(xca);

 	EVP_PKEY_copy_parameters(upkey,pkey);

 	EVP_PKEY_free(upkey);

 	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))

 		{

 		BIO_printf(bio_err,"Error initialising X509 store\n");

 		goto end;

 		}

 	if (sno) bs = sno;

 	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))

 		goto end;

 /*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/

 	/* NOTE: this certificate can/should be self signed, unless it was

 	 * a certificate request in which case it is not. */

 	X509_STORE_CTX_set_cert(&xsc,x);

 	if (!reqfile && !X509_verify_cert(&xsc))

 		goto end;

 	if (!X509_check_private_key(xca,pkey))

 		{

 		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");

 		goto end;

 		}

 	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;

 	if (!X509_set_serialNumber(x,bs)) goto end;

 	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)

 		goto end;

 	/* hardwired expired */

 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)

 		goto end;

 	if (clrext)

 		{

 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);

 		}

 	if (conf)

 		{

 		X509V3_CTX ctx2;

 		X509_set_version(x,2); /* version 3 certificate */

                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);

                 X509V3_set_nconf(&ctx2, conf);

                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;

 		}

 	if (!X509_sign(x,pkey,digest)) goto end;

 	ret=1;

 end:

 	X509_STORE_CTX_cleanup(&xsc);

 	if (!ret)

 		ERR_print_errors(bio_err);

 	if (!sno) ASN1_INTEGER_free(bs);

 	return ret;

 	}

 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)

 	{

 	int err;

 	X509 *err_cert;

 	/* it is ok to use a self signed certificate

 	 * This case will catch both the initial ok == 0 and the

 	 * final ok == 1 calls to this function */

 	err=X509_STORE_CTX_get_error(ctx);

 	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)

 		return 1;

 	/* BAD we should have gotten an error.  Normally if everything

 	 * worked X509_STORE_CTX_get_error(ctx) will still be set to

 	 * DEPTH_ZERO_SELF_.... */

 	if (ok)

 		{

 		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");

 		return 0;

 		}

 	else

 		{

 		err_cert=X509_STORE_CTX_get_current_cert(ctx);

 		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);

 		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",

 			err,X509_STORE_CTX_get_error_depth(ctx),

 			X509_verify_cert_error_string(err));

 		return 1;

 		}

 	}

 /* self sign */

 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest, 

 						CONF *conf, char *section)

 	{

 	EVP_PKEY *pktmp;

 	pktmp = X509_get_pubkey(x);

 	EVP_PKEY_copy_parameters(pktmp,pkey);

 	EVP_PKEY_save_parameters(pktmp,1);

 	EVP_PKEY_free(pktmp);

 	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;

 	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;

 	/* Lets just make it 12:00am GMT, Jan 1 1970 */

 	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */

 	/* 28 days to be certified */

 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)

 		goto err;

 	if (!X509_set_pubkey(x,pkey)) goto err;

 	if (clrext)

 		{

 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);

 		}

 	if (conf)

 		{

 		X509V3_CTX ctx;

 		X509_set_version(x,2); /* version 3 certificate */

                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);

                 X509V3_set_nconf(&ctx, conf);

                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;

 		}

 	if (!X509_sign(x,pkey,digest)) goto err;

 	return 1;

 err:

 	ERR_print_errors(bio_err);

 	return 0;

 	}

 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)

 {

 	int id, i, idret;

 	char *pname;

 	id = X509_PURPOSE_get_id(pt);

 	pname = X509_PURPOSE_get0_name(pt);

 	for (i = 0; i < 2; i++)

 		{

 		idret = X509_check_purpose(cert, id, i);

 		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : ""); 

 		if (idret == 1) BIO_printf(bio, "Yes\n");

 		else if (idret == 0) BIO_printf(bio, "No\n");

 		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);

 		}

 	return 1;

 }