x509.c

数字证书处理程序

/* apps/x509.c */
/* Copyright (C) 1995-1998 Eric Young ([e-mail])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([e-mail]).
 * 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 ([e-mail]).
 * 
 * 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 ([e-mail])"
 *    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 ([e-mail])"
 * 
 * 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 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>

#undef PROG
#define PROG x509_main

#undef POSTFIX
#define	POSTFIX	".srl"
#define DEF_DAYS	30

static 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",
" -hash           - print hash value\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",
" -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",
" -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",
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,
						LHASH *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, LHASH *conf, char *section);
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)
	{
	int ret=1;
	X509_REQ *req=NULL;
	X509 *x=NULL,*xca=NULL;
	ASN1_OBJECT *objtmp;
	EVP_PKEY *Upkey=NULL,*CApkey=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,hash=0,subject=0,issuer=0,startdate=0,enddate=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;
	char **pp;
	X509_STORE *ctx=NULL;
	X509_REQ *rq=NULL;
	int fingerprint=0;
	char buf[256];
	const EVP_MD *md_alg,*digest=EVP_md5();
	LHASH *extconf = NULL;
	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
	int need_rand = 0;
	int checkend=0,checkoffset=0;
	unsigned long nmflag = 0;

	reqfile=0;

	apps_startup();

	if (bio_err == NULL)
		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
#ifdef 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,"-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,"-nameopt") == 0)
			{
			if (--argc < 1) goto bad;
			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
			}
		else if (strcmp(*argv,"-setalias") == 0)
			{
			if (--argc < 1) goto bad;
			alias= *(++argv);
			trustout = 1;
			}
		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,"-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)
			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 ((md_alg=EVP_get_digestbyname(*argv + 1)))
			{
			/* ok */
			digest=md_alg;