ca.c

mediastreamer2是开源的网络传输媒体流的库

/* apps/ca.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.]
 */

/* The PPKI stuff has been donated by Jeff Barber <[e-mail]> */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <openssl/conf.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/bn.h>
#include <openssl/txt_db.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/objects.h>
#include <openssl/ocsp.h>
#include <openssl/pem.h>

#ifndef W_OK
#  ifdef OPENSSL_SYS_VMS
#    if defined(__DECC)
#      include <unistd.h>
#    else
#      include <unixlib.h>
#    endif
#  elif !defined(OPENSSL_SYS_VXWORKS) && !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_NETWARE)
#    include <sys/file.h>
#  endif
#endif

#include "apps.h"

#ifndef W_OK
#  define F_OK 0
#  define X_OK 1
#  define W_OK 2
#  define R_OK 4
#endif

#undef PROG
#define PROG ca_main

#define BASE_SECTION	"ca"
#define CONFIG_FILE "openssl.cnf"

#define ENV_DEFAULT_CA		"default_ca"

#define STRING_MASK	"string_mask"
#define UTF8_IN			"utf8"

#define ENV_DIR			"dir"
#define ENV_CERTS		"certs"
#define ENV_CRL_DIR		"crl_dir"
#define ENV_CA_DB		"CA_DB"
#define ENV_NEW_CERTS_DIR	"new_certs_dir"
#define ENV_CERTIFICATE 	"certificate"
#define ENV_SERIAL		"serial"
#define ENV_CRLNUMBER		"crlnumber"
#define ENV_CRL			"crl"
#define ENV_PRIVATE_KEY		"private_key"
#define ENV_RANDFILE		"RANDFILE"
#define ENV_DEFAULT_DAYS 	"default_days"
#define ENV_DEFAULT_STARTDATE 	"default_startdate"
#define ENV_DEFAULT_ENDDATE 	"default_enddate"
#define ENV_DEFAULT_CRL_DAYS 	"default_crl_days"
#define ENV_DEFAULT_CRL_HOURS 	"default_crl_hours"
#define ENV_DEFAULT_MD		"default_md"
#define ENV_DEFAULT_EMAIL_DN	"email_in_dn"
#define ENV_PRESERVE		"preserve"
#define ENV_POLICY      	"policy"
#define ENV_EXTENSIONS      	"x509_extensions"
#define ENV_CRLEXT      	"crl_extensions"
#define ENV_MSIE_HACK		"msie_hack"
#define ENV_NAMEOPT		"name_opt"
#define ENV_CERTOPT		"cert_opt"
#define ENV_EXTCOPY		"copy_extensions"
#define ENV_UNIQUE_SUBJECT	"unique_subject"

#define ENV_DATABASE		"database"

/* Additional revocation information types */

#define REV_NONE		0	/* No addditional information */
#define REV_CRL_REASON		1	/* Value is CRL reason code */
#define REV_HOLD		2	/* Value is hold instruction */
#define REV_KEY_COMPROMISE	3	/* Value is cert key compromise time */
#define REV_CA_COMPROMISE	4	/* Value is CA key compromise time */

static const char *ca_usage[]={
"usage: ca args\n",
"\n",
" -verbose        - Talk alot while doing things\n",
" -config file    - A config file\n",
" -name arg       - The particular CA definition to use\n",
" -gencrl         - Generate a new CRL\n",
" -crldays days   - Days is when the next CRL is due\n",
" -crlhours hours - Hours is when the next CRL is due\n",
" -startdate YYMMDDHHMMSSZ  - certificate validity notBefore\n",
" -enddate YYMMDDHHMMSSZ    - certificate validity notAfter (overrides -days)\n",
" -days arg       - number of days to certify the certificate for\n",
" -md arg         - md to use, one of md2, md5, sha or sha1\n",
" -policy arg     - The CA 'policy' to support\n",
" -keyfile arg    - private key file\n",
" -keyform arg    - private key file format (PEM or ENGINE)\n",
" -key arg        - key to decode the private key if it is encrypted\n",
" -cert file      - The CA certificate\n",
" -selfsign       - sign a certificate with the key associated with it\n",
" -in file        - The input PEM encoded certificate request(s)\n",
" -out file       - Where to put the output file(s)\n",
" -outdir dir     - Where to put output certificates\n",
" -infiles ....   - The last argument, requests to process\n",
" -spkac file     - File contains DN and signed public key and challenge\n",
" -ss_cert file   - File contains a self signed cert to sign\n",
" -preserveDN     - Don't re-order the DN\n",
" -noemailDN      - Don't add the EMAIL field into certificate' subject\n",
" -batch          - Don't ask questions\n",
" -msie_hack      - msie modifications to handle all those universal strings\n",
" -revoke file    - Revoke a certificate (given in file)\n",
" -subj arg       - Use arg instead of request's subject\n",
" -utf8           - input characters are UTF8 (default ASCII)\n",
" -multivalue-rdn - enable support for multivalued RDNs\n",
" -extensions ..  - Extension section (override value in config file)\n",
" -extfile file   - Configuration file with X509v3 extentions to add\n",
" -crlexts ..     - CRL extension section (override value in config file)\n",
#ifndef OPENSSL_NO_ENGINE
" -engine e       - use engine e, possibly a hardware device.\n",
#endif
" -status serial  - Shows certificate status given the serial number\n",
" -updatedb       - Updates db for expired certificates\n",
NULL
};

#ifdef EFENCE
extern int EF_PROTECT_FREE;
extern int EF_PROTECT_BELOW;
extern int EF_ALIGNMENT;
#endif

static void lookup_fail(const char *name, const char *tag);
static int certify(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
		   const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,CA_DB *db,
		   BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn, char *startdate,
		   char *enddate, long days, int batch, char *ext_sect, CONF *conf,
		   int verbose, unsigned long certopt, unsigned long nameopt,
		   int default_op, int ext_copy, int selfsign);
static int certify_cert(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
			const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
			CA_DB *db, BIGNUM *serial, char *subj,unsigned long chtype, int multirdn, int email_dn,
			char *startdate, char *enddate, long days, int batch,
			char *ext_sect, CONF *conf,int verbose, unsigned long certopt,
			unsigned long nameopt, int default_op, int ext_copy,
			ENGINE *e);
static int certify_spkac(X509 **xret, char *infile,EVP_PKEY *pkey,X509 *x509,
			 const EVP_MD *dgst,STACK_OF(CONF_VALUE) *policy,
			 CA_DB *db, BIGNUM *serial,char *subj,unsigned long chtype, int multirdn, int email_dn,
			 char *startdate, char *enddate, long days, char *ext_sect,
			 CONF *conf, int verbose, unsigned long certopt, 
			 unsigned long nameopt, int default_op, int ext_copy);
static int fix_data(int nid, int *type);
static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext);
static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst,
	STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial,char *subj,unsigned long chtype, int multirdn,
	int email_dn, char *startdate, char *enddate, long days, int batch,
       	int verbose, X509_REQ *req, char *ext_sect, CONF *conf,
	unsigned long certopt, unsigned long nameopt, int default_op,
	int ext_copy, int selfsign);
static int do_revoke(X509 *x509, CA_DB *db, int ext, char *extval);
static int get_certificate_status(const char *ser_status, CA_DB *db);
static int do_updatedb(CA_DB *db);
static int check_time_format(char *str);
char *make_revocation_str(int rev_type, char *rev_arg);
int make_revoked(X509_REVOKED *rev, const char *str);
int old_entry_print(BIO *bp, ASN1_OBJECT *obj, ASN1_STRING *str);
static CONF *conf=NULL;
static CONF *extconf=NULL;
static char *section=NULL;

static int preserve=0;
static int msie_hack=0;


int MAIN(int, char **);

int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	char *key=NULL,*passargin=NULL;
	int create_ser = 0;
	int free_key = 0;
	int total=0;
	int total_done=0;
	int badops=0;
	int ret=1;
	int email_dn=1;
	int req=0;
	int verbose=0;
	int gencrl=0;
	int dorevoke=0;
	int doupdatedb=0;
	long crldays=0;
	long crlhours=0;
	long errorline= -1;
	char *configfile=NULL;
	char *md=NULL;
	char *policy=NULL;
	char *keyfile=NULL;
	char *certfile=NULL;
	int keyform=FORMAT_PEM;
	char *infile=NULL;
	char *spkac_file=NULL;
	char *ss_cert_file=NULL;
	char *ser_status=NULL;
	EVP_PKEY *pkey=NULL;
	int output_der = 0;
	char *outfile=NULL;
	char *outdir=NULL;
	char *serialfile=NULL;
	char *crlnumberfile=NULL;
	char *extensions=NULL;
	char *extfile=NULL;
	char *subj=NULL;
	unsigned long chtype = MBSTRING_ASC;
	int multirdn = 0;
	char *tmp_email_dn=NULL;
	char *crl_ext=NULL;
	int rev_type = REV_NONE;
	char *rev_arg = NULL;
	BIGNUM *serial=NULL;
	BIGNUM *crlnumber=NULL;
	char *startdate=NULL;
	char *enddate=NULL;
	long days=0;
	int batch=0;
	int notext=0;
	unsigned long nameopt = 0, certopt = 0;
	int default_op = 1;
	int ext_copy = EXT_COPY_NONE;
	int selfsign = 0;
	X509 *x509=NULL, *x509p = NULL;
	X509 *x=NULL;
	BIO *in=NULL,*out=NULL,*Sout=NULL,*Cout=NULL;
	char *dbfile=NULL;
	CA_DB *db=NULL;
	X509_CRL *crl=NULL;
	X509_REVOKED *r=NULL;
	ASN1_TIME *tmptm;
	ASN1_INTEGER *tmpser;
	char *f;
	const char *p, **pp;
	int i,j;
	const EVP_MD *dgst=NULL;
	STACK_OF(CONF_VALUE) *attribs=NULL;
	STACK_OF(X509) *cert_sk=NULL;
#undef BSIZE
#define BSIZE 256
	MS_STATIC char buf[3][BSIZE];
	char *randfile=NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine = NULL;
#endif
	char *tofree=NULL;
	DB_ATTR db_attr;

#ifdef EFENCE
EF_PROTECT_FREE=1;
EF_PROTECT_BELOW=1;
EF_ALIGNMENT=0;
#endif

	apps_startup();

	conf = NULL;
	key = NULL;
	section = NULL;

	preserve=0;
	msie_hack=0;
	if (bio_err == NULL)
		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);

	argc--;
	argv++;
	while (argc >= 1)
		{
		if	(strcmp(*argv,"-verbose") == 0)
			verbose=1;
		else if	(strcmp(*argv,"-config") == 0)
			{
			if (--argc < 1) goto bad;
			configfile= *(++argv);
			}
		else if (strcmp(*argv,"-name") == 0)
			{
			if (--argc < 1) goto bad;
			section= *(++argv);
			}
		else if (strcmp(*argv,"-subj") == 0)
			{
			if (--argc < 1) goto bad;
			subj= *(++argv);
			/* preserve=1; */
			}
		else if (strcmp(*argv,"-utf8") == 0)
			chtype = MBSTRING_UTF8;
		else if (strcmp(*argv,"-create_serial") == 0)
			create_ser = 1;
		else if (strcmp(*argv,"-multivalue-rdn") == 0)
			multirdn=1;
		else if (strcmp(*argv,"-startdate") == 0)
			{
			if (--argc < 1) goto bad;
			startdate= *(++argv);
			}
		else if (strcmp(*argv,"-enddate") == 0)
			{
			if (--argc < 1) goto bad;
			enddate= *(++argv);
			}
		else if (strcmp(*argv,"-days") == 0)
			{
			if (--argc < 1) goto bad;
			days=atoi(*(++argv));
			}
		else if (strcmp(*argv,"-md") == 0)
			{
			if (--argc < 1) goto bad;
			md= *(++argv);
			}
		else if (strcmp(*argv,"-policy") == 0)
			{
			if (--argc < 1) goto bad;
			policy= *(++argv);
			}
		else if (strcmp(*argv,"-keyfile") == 0)
			{
			if (--argc < 1) goto bad;
			keyfile= *(++argv);
			}
		else if (strcmp(*argv,"-keyform") == 0)
			{
			if (--argc < 1) goto bad;
			keyform=str2fmt(*(++argv));
			}
		else if (strcmp(*argv,"-passin") == 0)
			{
			if (--argc < 1) goto bad;
			passargin= *(++argv);
			}
		else if (strcmp(*argv,"-key") == 0)
			{
			if (--argc < 1) goto bad;
			key= *(++argv);
			}
		else if (strcmp(*argv,"-cert") == 0)
			{
			if (--argc < 1) goto bad;
			certfile= *(++argv);
			}
		else if (strcmp(*argv,"-selfsign") == 0)
			selfsign=1;
		else if (strcmp(*argv,"-in") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			req=1;
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) goto bad;
			outfile= *(++argv);
			}
		else if (strcmp(*argv,"-outdir") == 0)
			{
			if (--argc < 1) goto bad;
			outdir= *(++argv);
			}
		else if (strcmp(*argv,"-notext") == 0)
			notext=1;
		else if (strcmp(*argv,"-batch") == 0)
			batch=1;
		else if (strcmp(*argv,"-preserveDN") == 0)
			preserve=1;
		else if (strcmp(*argv,"-noemailDN") == 0)
			email_dn=0;
		else if (strcmp(*argv,"-gencrl") == 0)
			gencrl=1;
		else if (strcmp(*argv,"-msie_hack") == 0)
			msie_hack=1;
		else if (strcmp(*argv,"-crldays") == 0)
			{
			if (--argc < 1) goto bad;
			crldays= atol(*(++argv));
			}
		else if (strcmp(*argv,"-crlhours") == 0)
			{
			if (--argc < 1) goto bad;
			crlhours= atol(*(++argv));
			}
		else if (strcmp(*argv,"-infiles") == 0)
			{
			argc--;
			argv++;
			req=1;
			break;
			}
		else if (strcmp(*argv, "-ss_cert") == 0)
			{
			if (--argc < 1) goto bad;
			ss_cert_file = *(++argv);
			req=1;
			}
		else if (strcmp(*argv, "-spkac") == 0)
			{
			if (--argc < 1) goto bad;
			spkac_file = *(++argv);
			req=1;
			}
		else if (strcmp(*argv,"-revoke") == 0)
			{
			if (--argc < 1) goto bad;
			infile= *(++argv);
			dorevoke=1;
			}
		else if (strcmp(*argv,"-extensions") == 0)
			{
			if (--argc < 1) goto bad;
			extensions= *(++argv);
			}
		else if (strcmp(*argv,"-extfile") == 0)
			{
			if (--argc < 1) goto bad;
			extfile= *(++argv);
			}
		else if (strcmp(*argv,"-status") == 0)
			{
			if (--argc < 1) goto bad;
			ser_status= *(++argv);
			}
		else if (strcmp(*argv,"-updatedb") == 0)
			{
			doupdatedb=1;
			}
		else if (strcmp(*argv,"-crlexts") == 0)
			{
			if (--argc < 1) goto bad;
			crl_ext= *(++argv);
			}
		else if (strcmp(*argv,"-crl_reason") == 0)
			{
			if (--argc < 1) goto bad;