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      1 /* apps/x509.c */
      2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com)
      3  * All rights reserved.
      4  *
      5  * This package is an SSL implementation written
      6  * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 <assert.h>
     60 #include <stdio.h>
     61 #include <stdlib.h>
     62 #include <string.h>
     63 #ifdef OPENSSL_NO_STDIO
     64 #define APPS_WIN16
     65 #endif
     66 #include "apps.h"
     67 #include <openssl/bio.h>
     68 #include <openssl/asn1.h>
     69 #include <openssl/err.h>
     70 #include <openssl/bn.h>
     71 #include <openssl/evp.h>
     72 #include <openssl/x509.h>
     73 #include <openssl/x509v3.h>
     74 #include <openssl/objects.h>
     75 #include <openssl/pem.h>
     76 #ifndef OPENSSL_NO_RSA
     77 #include <openssl/rsa.h>
     78 #endif
     79 #ifndef OPENSSL_NO_DSA
     80 #include <openssl/dsa.h>
     81 #endif
     82 
     83 #undef PROG
     84 #define PROG x509_main
     85 
     86 #undef POSTFIX
     87 #define	POSTFIX	".srl"
     88 #define DEF_DAYS	30
     89 
     90 static const char *x509_usage[]={
     91 "usage: x509 args\n",
     92 " -inform arg     - input format - default PEM (one of DER, NET or PEM)\n",
     93 " -outform arg    - output format - default PEM (one of DER, NET or PEM)\n",
     94 " -keyform arg    - private key format - default PEM\n",
     95 " -CAform arg     - CA format - default PEM\n",
     96 " -CAkeyform arg  - CA key format - default PEM\n",
     97 " -in arg         - input file - default stdin\n",
     98 " -out arg        - output file - default stdout\n",
     99 " -passin arg     - private key password source\n",
    100 " -serial         - print serial number value\n",
    101 " -subject_hash   - print subject hash value\n",
    102 #ifndef OPENSSL_NO_MD5
    103 " -subject_hash_old   - print old-style (MD5) subject hash value\n",
    104 #endif
    105 " -issuer_hash    - print issuer hash value\n",
    106 #ifndef OPENSSL_NO_MD5
    107 " -issuer_hash_old    - print old-style (MD5) issuer hash value\n",
    108 #endif
    109 " -hash           - synonym for -subject_hash\n",
    110 " -subject        - print subject DN\n",
    111 " -issuer         - print issuer DN\n",
    112 " -email          - print email address(es)\n",
    113 " -startdate      - notBefore field\n",
    114 " -enddate        - notAfter field\n",
    115 " -purpose        - print out certificate purposes\n",
    116 " -dates          - both Before and After dates\n",
    117 " -modulus        - print the RSA key modulus\n",
    118 " -pubkey         - output the public key\n",
    119 " -fingerprint    - print the certificate fingerprint\n",
    120 " -alias          - output certificate alias\n",
    121 " -noout          - no certificate output\n",
    122 " -ocspid         - print OCSP hash values for the subject name and public key\n",
    123 " -ocsp_uri       - print OCSP Responder URL(s)\n",
    124 " -trustout       - output a \"trusted\" certificate\n",
    125 " -clrtrust       - clear all trusted purposes\n",
    126 " -clrreject      - clear all rejected purposes\n",
    127 " -addtrust arg   - trust certificate for a given purpose\n",
    128 " -addreject arg  - reject certificate for a given purpose\n",
    129 " -setalias arg   - set certificate alias\n",
    130 " -days arg       - How long till expiry of a signed certificate - def 30 days\n",
    131 " -checkend arg   - check whether the cert expires in the next arg seconds\n",
    132 "                   exit 1 if so, 0 if not\n",
    133 " -signkey arg    - self sign cert with arg\n",
    134 " -x509toreq      - output a certification request object\n",
    135 " -req            - input is a certificate request, sign and output.\n",
    136 " -CA arg         - set the CA certificate, must be PEM format.\n",
    137 " -CAkey arg      - set the CA key, must be PEM format\n",
    138 "                   missing, it is assumed to be in the CA file.\n",
    139 " -CAcreateserial - create serial number file if it does not exist\n",
    140 " -CAserial arg   - serial file\n",
    141 " -set_serial     - serial number to use\n",
    142 " -text           - print the certificate in text form\n",
    143 " -C              - print out C code forms\n",
    144 " -md2/-md5/-sha1/-mdc2 - digest to use\n",
    145 " -extfile        - configuration file with X509V3 extensions to add\n",
    146 " -extensions     - section from config file with X509V3 extensions to add\n",
    147 " -clrext         - delete extensions before signing and input certificate\n",
    148 " -nameopt arg    - various certificate name options\n",
    149 #ifndef OPENSSL_NO_ENGINE
    150 " -engine e       - use engine e, possibly a hardware device.\n",
    151 #endif
    152 " -certopt arg    - various certificate text options\n",
    153 NULL
    154 };
    155 
    156 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx);
    157 static int sign (X509 *x, EVP_PKEY *pkey,int days,int clrext, const EVP_MD *digest,
    158 						CONF *conf, char *section);
    159 static int x509_certify (X509_STORE *ctx,char *CAfile,const EVP_MD *digest,
    160 			 X509 *x,X509 *xca,EVP_PKEY *pkey,char *serial,
    161 			 int create,int days, int clrext, CONF *conf, char *section,
    162 						ASN1_INTEGER *sno);
    163 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt);
    164 static int reqfile=0;
    165 
    166 int MAIN(int, char **);
    167 
    168 int MAIN(int argc, char **argv)
    169 	{
    170 	ENGINE *e = NULL;
    171 	int ret=1;
    172 	X509_REQ *req=NULL;
    173 	X509 *x=NULL,*xca=NULL;
    174 	ASN1_OBJECT *objtmp;
    175 	EVP_PKEY *Upkey=NULL,*CApkey=NULL;
    176 	ASN1_INTEGER *sno = NULL;
    177 	int i,num,badops=0;
    178 	BIO *out=NULL;
    179 	BIO *STDout=NULL;
    180 	STACK_OF(ASN1_OBJECT) *trust = NULL, *reject = NULL;
    181 	int informat,outformat,keyformat,CAformat,CAkeyformat;
    182 	char *infile=NULL,*outfile=NULL,*keyfile=NULL,*CAfile=NULL;
    183 	char *CAkeyfile=NULL,*CAserial=NULL;
    184 	char *alias=NULL;
    185 	int text=0,serial=0,subject=0,issuer=0,startdate=0,enddate=0;
    186 	int next_serial=0;
    187 	int subject_hash=0,issuer_hash=0,ocspid=0;
    188 #ifndef OPENSSL_NO_MD5
    189 	int subject_hash_old=0,issuer_hash_old=0;
    190 #endif
    191 	int noout=0,sign_flag=0,CA_flag=0,CA_createserial=0,email=0;
    192 	int ocsp_uri=0;
    193 	int trustout=0,clrtrust=0,clrreject=0,aliasout=0,clrext=0;
    194 	int C=0;
    195 	int x509req=0,days=DEF_DAYS,modulus=0,pubkey=0;
    196 	int pprint = 0;
    197 	const char **pp;
    198 	X509_STORE *ctx=NULL;
    199 	X509_REQ *rq=NULL;
    200 	int fingerprint=0;
    201 	char buf[256];
    202 	const EVP_MD *md_alg,*digest=NULL;
    203 	CONF *extconf = NULL;
    204 	char *extsect = NULL, *extfile = NULL, *passin = NULL, *passargin = NULL;
    205 	int need_rand = 0;
    206 	int checkend=0,checkoffset=0;
    207 	unsigned long nmflag = 0, certflag = 0;
    208 #ifndef OPENSSL_NO_ENGINE
    209 	char *engine=NULL;
    210 #endif
    211 
    212 	reqfile=0;
    213 
    214 	apps_startup();
    215 
    216 	if (bio_err == NULL)
    217 		bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
    218 
    219 	if (!load_config(bio_err, NULL))
    220 		goto end;
    221 	STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
    222 #ifdef OPENSSL_SYS_VMS
    223 	{
    224 	BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    225 	STDout = BIO_push(tmpbio, STDout);
    226 	}
    227 #endif
    228 
    229 	informat=FORMAT_PEM;
    230 	outformat=FORMAT_PEM;
    231 	keyformat=FORMAT_PEM;
    232 	CAformat=FORMAT_PEM;
    233 	CAkeyformat=FORMAT_PEM;
    234 
    235 	ctx=X509_STORE_new();
    236 	if (ctx == NULL) goto end;
    237 	X509_STORE_set_verify_cb(ctx,callb);
    238 
    239 	argc--;
    240 	argv++;
    241 	num=0;
    242 	while (argc >= 1)
    243 		{
    244 		if 	(strcmp(*argv,"-inform") == 0)
    245 			{
    246 			if (--argc < 1) goto bad;
    247 			informat=str2fmt(*(++argv));
    248 			}
    249 		else if (strcmp(*argv,"-outform") == 0)
    250 			{
    251 			if (--argc < 1) goto bad;
    252 			outformat=str2fmt(*(++argv));
    253 			}
    254 		else if (strcmp(*argv,"-keyform") == 0)
    255 			{
    256 			if (--argc < 1) goto bad;
    257 			keyformat=str2fmt(*(++argv));
    258 			}
    259 		else if (strcmp(*argv,"-req") == 0)
    260 			{
    261 			reqfile=1;
    262 			need_rand = 1;
    263 			}
    264 		else if (strcmp(*argv,"-CAform") == 0)
    265 			{
    266 			if (--argc < 1) goto bad;
    267 			CAformat=str2fmt(*(++argv));
    268 			}
    269 		else if (strcmp(*argv,"-CAkeyform") == 0)
    270 			{
    271 			if (--argc < 1) goto bad;
    272 			CAkeyformat=str2fmt(*(++argv));
    273 			}
    274 		else if (strcmp(*argv,"-days") == 0)
    275 			{
    276 			if (--argc < 1) goto bad;
    277 			days=atoi(*(++argv));
    278 			if (days == 0)
    279 				{
    280 				BIO_printf(STDout,"bad number of days\n");
    281 				goto bad;
    282 				}
    283 			}
    284 		else if (strcmp(*argv,"-passin") == 0)
    285 			{
    286 			if (--argc < 1) goto bad;
    287 			passargin= *(++argv);
    288 			}
    289 		else if (strcmp(*argv,"-extfile") == 0)
    290 			{
    291 			if (--argc < 1) goto bad;
    292 			extfile= *(++argv);
    293 			}
    294 		else if (strcmp(*argv,"-extensions") == 0)
    295 			{
    296 			if (--argc < 1) goto bad;
    297 			extsect= *(++argv);
    298 			}
    299 		else if (strcmp(*argv,"-in") == 0)
    300 			{
    301 			if (--argc < 1) goto bad;
    302 			infile= *(++argv);
    303 			}
    304 		else if (strcmp(*argv,"-out") == 0)
    305 			{
    306 			if (--argc < 1) goto bad;
    307 			outfile= *(++argv);
    308 			}
    309 		else if (strcmp(*argv,"-signkey") == 0)
    310 			{
    311 			if (--argc < 1) goto bad;
    312 			keyfile= *(++argv);
    313 			sign_flag= ++num;
    314 			need_rand = 1;
    315 			}
    316 		else if (strcmp(*argv,"-CA") == 0)
    317 			{
    318 			if (--argc < 1) goto bad;
    319 			CAfile= *(++argv);
    320 			CA_flag= ++num;
    321 			need_rand = 1;
    322 			}
    323 		else if (strcmp(*argv,"-CAkey") == 0)
    324 			{
    325 			if (--argc < 1) goto bad;
    326 			CAkeyfile= *(++argv);
    327 			}
    328 		else if (strcmp(*argv,"-CAserial") == 0)
    329 			{
    330 			if (--argc < 1) goto bad;
    331 			CAserial= *(++argv);
    332 			}
    333 		else if (strcmp(*argv,"-set_serial") == 0)
    334 			{
    335 			if (--argc < 1) goto bad;
    336 			if (!(sno = s2i_ASN1_INTEGER(NULL, *(++argv))))
    337 				goto bad;
    338 			}
    339 		else if (strcmp(*argv,"-addtrust") == 0)
    340 			{
    341 			if (--argc < 1) goto bad;
    342 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
    343 				{
    344 				BIO_printf(bio_err,
    345 					"Invalid trust object value %s\n", *argv);
    346 				goto bad;
    347 				}
    348 			if (!trust) trust = sk_ASN1_OBJECT_new_null();
    349 			sk_ASN1_OBJECT_push(trust, objtmp);
    350 			trustout = 1;
    351 			}
    352 		else if (strcmp(*argv,"-addreject") == 0)
    353 			{
    354 			if (--argc < 1) goto bad;
    355 			if (!(objtmp = OBJ_txt2obj(*(++argv), 0)))
    356 				{
    357 				BIO_printf(bio_err,
    358 					"Invalid reject object value %s\n", *argv);
    359 				goto bad;
    360 				}
    361 			if (!reject) reject = sk_ASN1_OBJECT_new_null();
    362 			sk_ASN1_OBJECT_push(reject, objtmp);
    363 			trustout = 1;
    364 			}
    365 		else if (strcmp(*argv,"-setalias") == 0)
    366 			{
    367 			if (--argc < 1) goto bad;
    368 			alias= *(++argv);
    369 			trustout = 1;
    370 			}
    371 		else if (strcmp(*argv,"-certopt") == 0)
    372 			{
    373 			if (--argc < 1) goto bad;
    374 			if (!set_cert_ex(&certflag, *(++argv))) goto bad;
    375 			}
    376 		else if (strcmp(*argv,"-nameopt") == 0)
    377 			{
    378 			if (--argc < 1) goto bad;
    379 			if (!set_name_ex(&nmflag, *(++argv))) goto bad;
    380 			}
    381 #ifndef OPENSSL_NO_ENGINE
    382 		else if (strcmp(*argv,"-engine") == 0)
    383 			{
    384 			if (--argc < 1) goto bad;
    385 			engine= *(++argv);
    386 			}
    387 #endif
    388 		else if (strcmp(*argv,"-C") == 0)
    389 			C= ++num;
    390 		else if (strcmp(*argv,"-email") == 0)
    391 			email= ++num;
    392 		else if (strcmp(*argv,"-ocsp_uri") == 0)
    393 			ocsp_uri= ++num;
    394 		else if (strcmp(*argv,"-serial") == 0)
    395 			serial= ++num;
    396 		else if (strcmp(*argv,"-next_serial") == 0)
    397 			next_serial= ++num;
    398 		else if (strcmp(*argv,"-modulus") == 0)
    399 			modulus= ++num;
    400 		else if (strcmp(*argv,"-pubkey") == 0)
    401 			pubkey= ++num;
    402 		else if (strcmp(*argv,"-x509toreq") == 0)
    403 			x509req= ++num;
    404 		else if (strcmp(*argv,"-text") == 0)
    405 			text= ++num;
    406 		else if (strcmp(*argv,"-hash") == 0
    407 			|| strcmp(*argv,"-subject_hash") == 0)
    408 			subject_hash= ++num;
    409 #ifndef OPENSSL_NO_MD5
    410 		else if (strcmp(*argv,"-subject_hash_old") == 0)
    411 			subject_hash_old= ++num;
    412 #endif
    413 		else if (strcmp(*argv,"-issuer_hash") == 0)
    414 			issuer_hash= ++num;
    415 #ifndef OPENSSL_NO_MD5
    416 		else if (strcmp(*argv,"-issuer_hash_old") == 0)
    417 			issuer_hash_old= ++num;
    418 #endif
    419 		else if (strcmp(*argv,"-subject") == 0)
    420 			subject= ++num;
    421 		else if (strcmp(*argv,"-issuer") == 0)
    422 			issuer= ++num;
    423 		else if (strcmp(*argv,"-fingerprint") == 0)
    424 			fingerprint= ++num;
    425 		else if (strcmp(*argv,"-dates") == 0)
    426 			{
    427 			startdate= ++num;
    428 			enddate= ++num;
    429 			}
    430 		else if (strcmp(*argv,"-purpose") == 0)
    431 			pprint= ++num;
    432 		else if (strcmp(*argv,"-startdate") == 0)
    433 			startdate= ++num;
    434 		else if (strcmp(*argv,"-enddate") == 0)
    435 			enddate= ++num;
    436 		else if (strcmp(*argv,"-checkend") == 0)
    437 			{
    438 			if (--argc < 1) goto bad;
    439 			checkoffset=atoi(*(++argv));
    440 			checkend=1;
    441 			}
    442 		else if (strcmp(*argv,"-noout") == 0)
    443 			noout= ++num;
    444 		else if (strcmp(*argv,"-trustout") == 0)
    445 			trustout= 1;
    446 		else if (strcmp(*argv,"-clrtrust") == 0)
    447 			clrtrust= ++num;
    448 		else if (strcmp(*argv,"-clrreject") == 0)
    449 			clrreject= ++num;
    450 		else if (strcmp(*argv,"-alias") == 0)
    451 			aliasout= ++num;
    452 		else if (strcmp(*argv,"-CAcreateserial") == 0)
    453 			CA_createserial= ++num;
    454 		else if (strcmp(*argv,"-clrext") == 0)
    455 			clrext = 1;
    456 #if 1 /* stay backwards-compatible with 0.9.5; this should go away soon */
    457 		else if (strcmp(*argv,"-crlext") == 0)
    458 			{
    459 			BIO_printf(bio_err,"use -clrext instead of -crlext\n");
    460 			clrext = 1;
    461 			}
    462 #endif
    463 		else if (strcmp(*argv,"-ocspid") == 0)
    464 			ocspid= ++num;
    465 		else if ((md_alg=EVP_get_digestbyname(*argv + 1)))
    466 			{
    467 			/* ok */
    468 			digest=md_alg;
    469 			}
    470 		else
    471 			{
    472 			BIO_printf(bio_err,"unknown option %s\n",*argv);
    473 			badops=1;
    474 			break;
    475 			}
    476 		argc--;
    477 		argv++;
    478 		}
    479 
    480 	if (badops)
    481 		{
    482 bad:
    483 		for (pp=x509_usage; (*pp != NULL); pp++)
    484 			BIO_printf(bio_err,"%s",*pp);
    485 		goto end;
    486 		}
    487 
    488 #ifndef OPENSSL_NO_ENGINE
    489         e = setup_engine(bio_err, engine, 0);
    490 #endif
    491 
    492 	if (need_rand)
    493 		app_RAND_load_file(NULL, bio_err, 0);
    494 
    495 	ERR_load_crypto_strings();
    496 
    497 	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
    498 		{
    499 		BIO_printf(bio_err, "Error getting password\n");
    500 		goto end;
    501 		}
    502 
    503 	if (!X509_STORE_set_default_paths(ctx))
    504 		{
    505 		ERR_print_errors(bio_err);
    506 		goto end;
    507 		}
    508 
    509 	if ((CAkeyfile == NULL) && (CA_flag) && (CAformat == FORMAT_PEM))
    510 		{ CAkeyfile=CAfile; }
    511 	else if ((CA_flag) && (CAkeyfile == NULL))
    512 		{
    513 		BIO_printf(bio_err,"need to specify a CAkey if using the CA command\n");
    514 		goto end;
    515 		}
    516 
    517 	if (extfile)
    518 		{
    519 		long errorline = -1;
    520 		X509V3_CTX ctx2;
    521 		extconf = NCONF_new(NULL);
    522 		if (!NCONF_load(extconf, extfile,&errorline))
    523 			{
    524 			if (errorline <= 0)
    525 				BIO_printf(bio_err,
    526 					"error loading the config file '%s'\n",
    527 								extfile);
    528                 	else
    529                         	BIO_printf(bio_err,
    530 				       "error on line %ld of config file '%s'\n"
    531 							,errorline,extfile);
    532 			goto end;
    533 			}
    534 		if (!extsect)
    535 			{
    536 			extsect = NCONF_get_string(extconf, "default", "extensions");
    537 			if (!extsect)
    538 				{
    539 				ERR_clear_error();
    540 				extsect = "default";
    541 				}
    542 			}
    543 		X509V3_set_ctx_test(&ctx2);
    544 		X509V3_set_nconf(&ctx2, extconf);
    545 		if (!X509V3_EXT_add_nconf(extconf, &ctx2, extsect, NULL))
    546 			{
    547 			BIO_printf(bio_err,
    548 				"Error Loading extension section %s\n",
    549 								 extsect);
    550 			ERR_print_errors(bio_err);
    551 			goto end;
    552 			}
    553 		}
    554 
    555 
    556 	if (reqfile)
    557 		{
    558 		EVP_PKEY *pkey;
    559 		X509_CINF *ci;
    560 		BIO *in;
    561 
    562 		if (!sign_flag && !CA_flag)
    563 			{
    564 			BIO_printf(bio_err,"We need a private key to sign with\n");
    565 			goto end;
    566 			}
    567 		in=BIO_new(BIO_s_file());
    568 		if (in == NULL)
    569 			{
    570 			ERR_print_errors(bio_err);
    571 			goto end;
    572 			}
    573 
    574 		if (infile == NULL)
    575 			BIO_set_fp(in,stdin,BIO_NOCLOSE|BIO_FP_TEXT);
    576 		else
    577 			{
    578 			if (BIO_read_filename(in,infile) <= 0)
    579 				{
    580 				perror(infile);
    581 				BIO_free(in);
    582 				goto end;
    583 				}
    584 			}
    585 		req=PEM_read_bio_X509_REQ(in,NULL,NULL,NULL);
    586 		BIO_free(in);
    587 
    588 		if (req == NULL)
    589 			{
    590 			ERR_print_errors(bio_err);
    591 			goto end;
    592 			}
    593 
    594 		if (	(req->req_info == NULL) ||
    595 			(req->req_info->pubkey == NULL) ||
    596 			(req->req_info->pubkey->public_key == NULL) ||
    597 			(req->req_info->pubkey->public_key->data == NULL))
    598 			{
    599 			BIO_printf(bio_err,"The certificate request appears to corrupted\n");
    600 			BIO_printf(bio_err,"It does not contain a public key\n");
    601 			goto end;
    602 			}
    603 		if ((pkey=X509_REQ_get_pubkey(req)) == NULL)
    604 	                {
    605 	                BIO_printf(bio_err,"error unpacking public key\n");
    606 	                goto end;
    607 	                }
    608 		i=X509_REQ_verify(req,pkey);
    609 		EVP_PKEY_free(pkey);
    610 		if (i < 0)
    611 			{
    612 			BIO_printf(bio_err,"Signature verification error\n");
    613 			ERR_print_errors(bio_err);
    614 			goto end;
    615 			}
    616 	        if (i == 0)
    617 			{
    618 			BIO_printf(bio_err,"Signature did not match the certificate request\n");
    619 			goto end;
    620 			}
    621 		else
    622 			BIO_printf(bio_err,"Signature ok\n");
    623 
    624 		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
    625 
    626 		if ((x=X509_new()) == NULL) goto end;
    627 		ci=x->cert_info;
    628 
    629 		if (sno == NULL)
    630 			{
    631 			sno = ASN1_INTEGER_new();
    632 			if (!sno || !rand_serial(NULL, sno))
    633 				goto end;
    634 			if (!X509_set_serialNumber(x, sno))
    635 				goto end;
    636 			ASN1_INTEGER_free(sno);
    637 			sno = NULL;
    638 			}
    639 		else if (!X509_set_serialNumber(x, sno))
    640 			goto end;
    641 
    642 		if (!X509_set_issuer_name(x,req->req_info->subject)) goto end;
    643 		if (!X509_set_subject_name(x,req->req_info->subject)) goto end;
    644 
    645 		X509_gmtime_adj(X509_get_notBefore(x),0);
    646 	        X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL);
    647 
    648 		pkey = X509_REQ_get_pubkey(req);
    649 		X509_set_pubkey(x,pkey);
    650 		EVP_PKEY_free(pkey);
    651 		}
    652 	else
    653 		x=load_cert(bio_err,infile,informat,NULL,e,"Certificate");
    654 
    655 	if (x == NULL) goto end;
    656 	if (CA_flag)
    657 		{
    658 		xca=load_cert(bio_err,CAfile,CAformat,NULL,e,"CA Certificate");
    659 		if (xca == NULL) goto end;
    660 		}
    661 
    662 	if (!noout || text || next_serial)
    663 		{
    664 		OBJ_create("2.99999.3",
    665 			"SET.ex3","SET x509v3 extension 3");
    666 
    667 		out=BIO_new(BIO_s_file());
    668 		if (out == NULL)
    669 			{
    670 			ERR_print_errors(bio_err);
    671 			goto end;
    672 			}
    673 		if (outfile == NULL)
    674 			{
    675 			BIO_set_fp(out,stdout,BIO_NOCLOSE);
    676 #ifdef OPENSSL_SYS_VMS
    677 			{
    678 			BIO *tmpbio = BIO_new(BIO_f_linebuffer());
    679 			out = BIO_push(tmpbio, out);
    680 			}
    681 #endif
    682 			}
    683 		else
    684 			{
    685 			if (BIO_write_filename(out,outfile) <= 0)
    686 				{
    687 				perror(outfile);
    688 				goto end;
    689 				}
    690 			}
    691 		}
    692 
    693 	if (alias) X509_alias_set1(x, (unsigned char *)alias, -1);
    694 
    695 	if (clrtrust) X509_trust_clear(x);
    696 	if (clrreject) X509_reject_clear(x);
    697 
    698 	if (trust)
    699 		{
    700 		for (i = 0; i < sk_ASN1_OBJECT_num(trust); i++)
    701 			{
    702 			objtmp = sk_ASN1_OBJECT_value(trust, i);
    703 			X509_add1_trust_object(x, objtmp);
    704 			}
    705 		}
    706 
    707 	if (reject)
    708 		{
    709 		for (i = 0; i < sk_ASN1_OBJECT_num(reject); i++)
    710 			{
    711 			objtmp = sk_ASN1_OBJECT_value(reject, i);
    712 			X509_add1_reject_object(x, objtmp);
    713 			}
    714 		}
    715 
    716 	if (num)
    717 		{
    718 		for (i=1; i<=num; i++)
    719 			{
    720 			if (issuer == i)
    721 				{
    722 				print_name(STDout, "issuer= ",
    723 					X509_get_issuer_name(x), nmflag);
    724 				}
    725 			else if (subject == i)
    726 				{
    727 				print_name(STDout, "subject= ",
    728 					X509_get_subject_name(x), nmflag);
    729 				}
    730 			else if (serial == i)
    731 				{
    732 				BIO_printf(STDout,"serial=");
    733 				i2a_ASN1_INTEGER(STDout,
    734 					X509_get_serialNumber(x));
    735 				BIO_printf(STDout,"\n");
    736 				}
    737 			else if (next_serial == i)
    738 				{
    739 				BIGNUM *bnser;
    740 				ASN1_INTEGER *ser;
    741 				ser = X509_get_serialNumber(x);
    742 				bnser = ASN1_INTEGER_to_BN(ser, NULL);
    743 				if (!bnser)
    744 					goto end;
    745 				if (!BN_add_word(bnser, 1))
    746 					goto end;
    747 				ser = BN_to_ASN1_INTEGER(bnser, NULL);
    748 				if (!ser)
    749 					goto end;
    750 				BN_free(bnser);
    751 				i2a_ASN1_INTEGER(out, ser);
    752 				ASN1_INTEGER_free(ser);
    753 				BIO_puts(out, "\n");
    754 				}
    755 			else if ((email == i) || (ocsp_uri == i))
    756 				{
    757 				int j;
    758 				STACK_OF(OPENSSL_STRING) *emlst;
    759 				if (email == i)
    760 					emlst = X509_get1_email(x);
    761 				else
    762 					emlst = X509_get1_ocsp(x);
    763 				for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++)
    764 					BIO_printf(STDout, "%s\n",
    765 						   sk_OPENSSL_STRING_value(emlst, j));
    766 				X509_email_free(emlst);
    767 				}
    768 			else if (aliasout == i)
    769 				{
    770 				unsigned char *alstr;
    771 				alstr = X509_alias_get0(x, NULL);
    772 				if (alstr) BIO_printf(STDout,"%s\n", alstr);
    773 				else BIO_puts(STDout,"<No Alias>\n");
    774 				}
    775 			else if (subject_hash == i)
    776 				{
    777 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash(x));
    778 				}
    779 #ifndef OPENSSL_NO_MD5
    780 			else if (subject_hash_old == i)
    781 				{
    782 				BIO_printf(STDout,"%08lx\n",X509_subject_name_hash_old(x));
    783 				}
    784 #endif
    785 			else if (issuer_hash == i)
    786 				{
    787 				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash(x));
    788 				}
    789 #ifndef OPENSSL_NO_MD5
    790 			else if (issuer_hash_old == i)
    791 				{
    792 				BIO_printf(STDout,"%08lx\n",X509_issuer_name_hash_old(x));
    793 				}
    794 #endif
    795 			else if (pprint == i)
    796 				{
    797 				X509_PURPOSE *ptmp;
    798 				int j;
    799 				BIO_printf(STDout, "Certificate purposes:\n");
    800 				for (j = 0; j < X509_PURPOSE_get_count(); j++)
    801 					{
    802 					ptmp = X509_PURPOSE_get0(j);
    803 					purpose_print(STDout, x, ptmp);
    804 					}
    805 				}
    806 			else
    807 				if (modulus == i)
    808 				{
    809 				EVP_PKEY *pkey;
    810 
    811 				pkey=X509_get_pubkey(x);
    812 				if (pkey == NULL)
    813 					{
    814 					BIO_printf(bio_err,"Modulus=unavailable\n");
    815 					ERR_print_errors(bio_err);
    816 					goto end;
    817 					}
    818 				BIO_printf(STDout,"Modulus=");
    819 #ifndef OPENSSL_NO_RSA
    820 				if (pkey->type == EVP_PKEY_RSA)
    821 					BN_print(STDout,pkey->pkey.rsa->n);
    822 				else
    823 #endif
    824 #ifndef OPENSSL_NO_DSA
    825 				if (pkey->type == EVP_PKEY_DSA)
    826 					BN_print(STDout,pkey->pkey.dsa->pub_key);
    827 				else
    828 #endif
    829 					BIO_printf(STDout,"Wrong Algorithm type");
    830 				BIO_printf(STDout,"\n");
    831 				EVP_PKEY_free(pkey);
    832 				}
    833 			else
    834 				if (pubkey == i)
    835 				{
    836 				EVP_PKEY *pkey;
    837 
    838 				pkey=X509_get_pubkey(x);
    839 				if (pkey == NULL)
    840 					{
    841 					BIO_printf(bio_err,"Error getting public key\n");
    842 					ERR_print_errors(bio_err);
    843 					goto end;
    844 					}
    845 				PEM_write_bio_PUBKEY(STDout, pkey);
    846 				EVP_PKEY_free(pkey);
    847 				}
    848 			else
    849 				if (C == i)
    850 				{
    851 				unsigned char *d;
    852 				char *m;
    853 				int y,z;
    854 
    855 				X509_NAME_oneline(X509_get_subject_name(x),
    856 					buf,sizeof buf);
    857 				BIO_printf(STDout,"/* subject:%s */\n",buf);
    858 				m=X509_NAME_oneline(
    859 					X509_get_issuer_name(x),buf,
    860 					sizeof buf);
    861 				BIO_printf(STDout,"/* issuer :%s */\n",buf);
    862 
    863 				z=i2d_X509(x,NULL);
    864 				m=OPENSSL_malloc(z);
    865 
    866 				d=(unsigned char *)m;
    867 				z=i2d_X509_NAME(X509_get_subject_name(x),&d);
    868 				BIO_printf(STDout,"unsigned char XXX_subject_name[%d]={\n",z);
    869 				d=(unsigned char *)m;
    870 				for (y=0; y<z; y++)
    871 					{
    872 					BIO_printf(STDout,"0x%02X,",d[y]);
    873 					if ((y & 0x0f) == 0x0f) BIO_printf(STDout,"\n");
    874 					}
    875 				if (y%16 != 0) BIO_printf(STDout,"\n");
    876 				BIO_printf(STDout,"};\n");
    877 
    878 				z=i2d_X509_PUBKEY(X509_get_X509_PUBKEY(x),&d);
    879 				BIO_printf(STDout,"unsigned char XXX_public_key[%d]={\n",z);
    880 				d=(unsigned char *)m;
    881 				for (y=0; y<z; y++)
    882 					{
    883 					BIO_printf(STDout,"0x%02X,",d[y]);
    884 					if ((y & 0x0f) == 0x0f)
    885 						BIO_printf(STDout,"\n");
    886 					}
    887 				if (y%16 != 0) BIO_printf(STDout,"\n");
    888 				BIO_printf(STDout,"};\n");
    889 
    890 				z=i2d_X509(x,&d);
    891 				BIO_printf(STDout,"unsigned char XXX_certificate[%d]={\n",z);
    892 				d=(unsigned char *)m;
    893 				for (y=0; y<z; y++)
    894 					{
    895 					BIO_printf(STDout,"0x%02X,",d[y]);
    896 					if ((y & 0x0f) == 0x0f)
    897 						BIO_printf(STDout,"\n");
    898 					}
    899 				if (y%16 != 0) BIO_printf(STDout,"\n");
    900 				BIO_printf(STDout,"};\n");
    901 
    902 				OPENSSL_free(m);
    903 				}
    904 			else if (text == i)
    905 				{
    906 				X509_print_ex(out,x,nmflag, certflag);
    907 				}
    908 			else if (startdate == i)
    909 				{
    910 				BIO_puts(STDout,"notBefore=");
    911 				ASN1_TIME_print(STDout,X509_get_notBefore(x));
    912 				BIO_puts(STDout,"\n");
    913 				}
    914 			else if (enddate == i)
    915 				{
    916 				BIO_puts(STDout,"notAfter=");
    917 				ASN1_TIME_print(STDout,X509_get_notAfter(x));
    918 				BIO_puts(STDout,"\n");
    919 				}
    920 			else if (fingerprint == i)
    921 				{
    922 				int j;
    923 				unsigned int n;
    924 				unsigned char md[EVP_MAX_MD_SIZE];
    925 				const EVP_MD *fdig = digest;
    926 
    927 				if (!fdig)
    928 					fdig = EVP_sha1();
    929 
    930 				if (!X509_digest(x,fdig,md,&n))
    931 					{
    932 					BIO_printf(bio_err,"out of memory\n");
    933 					goto end;
    934 					}
    935 				BIO_printf(STDout,"%s Fingerprint=",
    936 						OBJ_nid2sn(EVP_MD_type(fdig)));
    937 				for (j=0; j<(int)n; j++)
    938 					{
    939 					BIO_printf(STDout,"%02X%c",md[j],
    940 						(j+1 == (int)n)
    941 						?'\n':':');
    942 					}
    943 				}
    944 
    945 			/* should be in the library */
    946 			else if ((sign_flag == i) && (x509req == 0))
    947 				{
    948 				BIO_printf(bio_err,"Getting Private key\n");
    949 				if (Upkey == NULL)
    950 					{
    951 					Upkey=load_key(bio_err,
    952 						keyfile, keyformat, 0,
    953 						passin, e, "Private key");
    954 					if (Upkey == NULL) goto end;
    955 					}
    956 
    957 				assert(need_rand);
    958 				if (!sign(x,Upkey,days,clrext,digest,
    959 						 extconf, extsect)) goto end;
    960 				}
    961 			else if (CA_flag == i)
    962 				{
    963 				BIO_printf(bio_err,"Getting CA Private Key\n");
    964 				if (CAkeyfile != NULL)
    965 					{
    966 					CApkey=load_key(bio_err,
    967 						CAkeyfile, CAkeyformat,
    968 						0, passin, e,
    969 						"CA Private Key");
    970 					if (CApkey == NULL) goto end;
    971 					}
    972 
    973 				assert(need_rand);
    974 				if (!x509_certify(ctx,CAfile,digest,x,xca,
    975 					CApkey, CAserial,CA_createserial,days, clrext,
    976 					extconf, extsect, sno))
    977 					goto end;
    978 				}
    979 			else if (x509req == i)
    980 				{
    981 				EVP_PKEY *pk;
    982 
    983 				BIO_printf(bio_err,"Getting request Private Key\n");
    984 				if (keyfile == NULL)
    985 					{
    986 					BIO_printf(bio_err,"no request key file specified\n");
    987 					goto end;
    988 					}
    989 				else
    990 					{
    991 					pk=load_key(bio_err,
    992 						keyfile, FORMAT_PEM, 0,
    993 						passin, e, "request key");
    994 					if (pk == NULL) goto end;
    995 					}
    996 
    997 				BIO_printf(bio_err,"Generating certificate request\n");
    998 
    999 				rq=X509_to_X509_REQ(x,pk,digest);
   1000 				EVP_PKEY_free(pk);
   1001 				if (rq == NULL)
   1002 					{
   1003 					ERR_print_errors(bio_err);
   1004 					goto end;
   1005 					}
   1006 				if (!noout)
   1007 					{
   1008 					X509_REQ_print(out,rq);
   1009 					PEM_write_bio_X509_REQ(out,rq);
   1010 					}
   1011 				noout=1;
   1012 				}
   1013 			else if (ocspid == i)
   1014 				{
   1015 				X509_ocspid_print(out, x);
   1016 				}
   1017 			}
   1018 		}
   1019 
   1020 	if (checkend)
   1021 		{
   1022 		time_t tcheck=time(NULL) + checkoffset;
   1023 
   1024 		if (X509_cmp_time(X509_get_notAfter(x), &tcheck) < 0)
   1025 			{
   1026 			BIO_printf(out,"Certificate will expire\n");
   1027 			ret=1;
   1028 			}
   1029 		else
   1030 			{
   1031 			BIO_printf(out,"Certificate will not expire\n");
   1032 			ret=0;
   1033 			}
   1034 		goto end;
   1035 		}
   1036 
   1037 	if (noout)
   1038 		{
   1039 		ret=0;
   1040 		goto end;
   1041 		}
   1042 
   1043 	if 	(outformat == FORMAT_ASN1)
   1044 		i=i2d_X509_bio(out,x);
   1045 	else if (outformat == FORMAT_PEM)
   1046 		{
   1047 		if (trustout) i=PEM_write_bio_X509_AUX(out,x);
   1048 		else i=PEM_write_bio_X509(out,x);
   1049 		}
   1050 	else if (outformat == FORMAT_NETSCAPE)
   1051 		{
   1052 		NETSCAPE_X509 nx;
   1053 		ASN1_OCTET_STRING hdr;
   1054 
   1055 		hdr.data=(unsigned char *)NETSCAPE_CERT_HDR;
   1056 		hdr.length=strlen(NETSCAPE_CERT_HDR);
   1057 		nx.header= &hdr;
   1058 		nx.cert=x;
   1059 
   1060 		i=ASN1_item_i2d_bio(ASN1_ITEM_rptr(NETSCAPE_X509),out,&nx);
   1061 		}
   1062 	else	{
   1063 		BIO_printf(bio_err,"bad output format specified for outfile\n");
   1064 		goto end;
   1065 		}
   1066 	if (!i)
   1067 		{
   1068 		BIO_printf(bio_err,"unable to write certificate\n");
   1069 		ERR_print_errors(bio_err);
   1070 		goto end;
   1071 		}
   1072 	ret=0;
   1073 end:
   1074 	if (need_rand)
   1075 		app_RAND_write_file(NULL, bio_err);
   1076 	OBJ_cleanup();
   1077 	NCONF_free(extconf);
   1078 	BIO_free_all(out);
   1079 	BIO_free_all(STDout);
   1080 	X509_STORE_free(ctx);
   1081 	X509_REQ_free(req);
   1082 	X509_free(x);
   1083 	X509_free(xca);
   1084 	EVP_PKEY_free(Upkey);
   1085 	EVP_PKEY_free(CApkey);
   1086 	X509_REQ_free(rq);
   1087 	ASN1_INTEGER_free(sno);
   1088 	sk_ASN1_OBJECT_pop_free(trust, ASN1_OBJECT_free);
   1089 	sk_ASN1_OBJECT_pop_free(reject, ASN1_OBJECT_free);
   1090 	if (passin) OPENSSL_free(passin);
   1091 	apps_shutdown();
   1092 	OPENSSL_EXIT(ret);
   1093 	}
   1094 
   1095 static ASN1_INTEGER *x509_load_serial(char *CAfile, char *serialfile, int create)
   1096 	{
   1097 	char *buf = NULL, *p;
   1098 	ASN1_INTEGER *bs = NULL;
   1099 	BIGNUM *serial = NULL;
   1100 	size_t len;
   1101 
   1102 	len = ((serialfile == NULL)
   1103 		?(strlen(CAfile)+strlen(POSTFIX)+1)
   1104 		:(strlen(serialfile)))+1;
   1105 	buf=OPENSSL_malloc(len);
   1106 	if (buf == NULL) { BIO_printf(bio_err,"out of mem\n"); goto end; }
   1107 	if (serialfile == NULL)
   1108 		{
   1109 		BUF_strlcpy(buf,CAfile,len);
   1110 		for (p=buf; *p; p++)
   1111 			if (*p == '.')
   1112 				{
   1113 				*p='\0';
   1114 				break;
   1115 				}
   1116 		BUF_strlcat(buf,POSTFIX,len);
   1117 		}
   1118 	else
   1119 		BUF_strlcpy(buf,serialfile,len);
   1120 
   1121 	serial = load_serial(buf, create, NULL);
   1122 	if (serial == NULL) goto end;
   1123 
   1124 	if (!BN_add_word(serial,1))
   1125 		{ BIO_printf(bio_err,"add_word failure\n"); goto end; }
   1126 
   1127 	if (!save_serial(buf, NULL, serial, &bs)) goto end;
   1128 
   1129  end:
   1130 	if (buf) OPENSSL_free(buf);
   1131 	BN_free(serial);
   1132 	return bs;
   1133 	}
   1134 
   1135 static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
   1136 	     X509 *x, X509 *xca, EVP_PKEY *pkey, char *serialfile, int create,
   1137 	     int days, int clrext, CONF *conf, char *section, ASN1_INTEGER *sno)
   1138 	{
   1139 	int ret=0;
   1140 	ASN1_INTEGER *bs=NULL;
   1141 	X509_STORE_CTX xsc;
   1142 	EVP_PKEY *upkey;
   1143 
   1144 	upkey = X509_get_pubkey(xca);
   1145 	EVP_PKEY_copy_parameters(upkey,pkey);
   1146 	EVP_PKEY_free(upkey);
   1147 
   1148 	if(!X509_STORE_CTX_init(&xsc,ctx,x,NULL))
   1149 		{
   1150 		BIO_printf(bio_err,"Error initialising X509 store\n");
   1151 		goto end;
   1152 		}
   1153 	if (sno) bs = sno;
   1154 	else if (!(bs = x509_load_serial(CAfile, serialfile, create)))
   1155 		goto end;
   1156 
   1157 /*	if (!X509_STORE_add_cert(ctx,x)) goto end;*/
   1158 
   1159 	/* NOTE: this certificate can/should be self signed, unless it was
   1160 	 * a certificate request in which case it is not. */
   1161 	X509_STORE_CTX_set_cert(&xsc,x);
   1162 	X509_STORE_CTX_set_flags(&xsc, X509_V_FLAG_CHECK_SS_SIGNATURE);
   1163 	if (!reqfile && X509_verify_cert(&xsc) <= 0)
   1164 		goto end;
   1165 
   1166 	if (!X509_check_private_key(xca,pkey))
   1167 		{
   1168 		BIO_printf(bio_err,"CA certificate and CA private key do not match\n");
   1169 		goto end;
   1170 		}
   1171 
   1172 	if (!X509_set_issuer_name(x,X509_get_subject_name(xca))) goto end;
   1173 	if (!X509_set_serialNumber(x,bs)) goto end;
   1174 
   1175 	if (X509_gmtime_adj(X509_get_notBefore(x),0L) == NULL)
   1176 		goto end;
   1177 
   1178 	/* hardwired expired */
   1179 	if (X509_time_adj_ex(X509_get_notAfter(x),days, 0, NULL) == NULL)
   1180 		goto end;
   1181 
   1182 	if (clrext)
   1183 		{
   1184 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
   1185 		}
   1186 
   1187 	if (conf)
   1188 		{
   1189 		X509V3_CTX ctx2;
   1190 		X509_set_version(x,2); /* version 3 certificate */
   1191                 X509V3_set_ctx(&ctx2, xca, x, NULL, NULL, 0);
   1192                 X509V3_set_nconf(&ctx2, conf);
   1193                 if (!X509V3_EXT_add_nconf(conf, &ctx2, section, x)) goto end;
   1194 		}
   1195 
   1196 	if (!X509_sign(x,pkey,digest)) goto end;
   1197 	ret=1;
   1198 end:
   1199 	X509_STORE_CTX_cleanup(&xsc);
   1200 	if (!ret)
   1201 		ERR_print_errors(bio_err);
   1202 	if (!sno) ASN1_INTEGER_free(bs);
   1203 	return ret;
   1204 	}
   1205 
   1206 static int MS_CALLBACK callb(int ok, X509_STORE_CTX *ctx)
   1207 	{
   1208 	int err;
   1209 	X509 *err_cert;
   1210 
   1211 	/* it is ok to use a self signed certificate
   1212 	 * This case will catch both the initial ok == 0 and the
   1213 	 * final ok == 1 calls to this function */
   1214 	err=X509_STORE_CTX_get_error(ctx);
   1215 	if (err == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
   1216 		return 1;
   1217 
   1218 	/* BAD we should have gotten an error.  Normally if everything
   1219 	 * worked X509_STORE_CTX_get_error(ctx) will still be set to
   1220 	 * DEPTH_ZERO_SELF_.... */
   1221 	if (ok)
   1222 		{
   1223 		BIO_printf(bio_err,"error with certificate to be certified - should be self signed\n");
   1224 		return 0;
   1225 		}
   1226 	else
   1227 		{
   1228 		err_cert=X509_STORE_CTX_get_current_cert(ctx);
   1229 		print_name(bio_err, NULL, X509_get_subject_name(err_cert),0);
   1230 		BIO_printf(bio_err,"error with certificate - error %d at depth %d\n%s\n",
   1231 			err,X509_STORE_CTX_get_error_depth(ctx),
   1232 			X509_verify_cert_error_string(err));
   1233 		return 1;
   1234 		}
   1235 	}
   1236 
   1237 /* self sign */
   1238 static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext, const EVP_MD *digest,
   1239 						CONF *conf, char *section)
   1240 	{
   1241 
   1242 	EVP_PKEY *pktmp;
   1243 
   1244 	pktmp = X509_get_pubkey(x);
   1245 	EVP_PKEY_copy_parameters(pktmp,pkey);
   1246 	EVP_PKEY_save_parameters(pktmp,1);
   1247 	EVP_PKEY_free(pktmp);
   1248 
   1249 	if (!X509_set_issuer_name(x,X509_get_subject_name(x))) goto err;
   1250 	if (X509_gmtime_adj(X509_get_notBefore(x),0) == NULL) goto err;
   1251 
   1252 	/* Lets just make it 12:00am GMT, Jan 1 1970 */
   1253 	/* memcpy(x->cert_info->validity->notBefore,"700101120000Z",13); */
   1254 	/* 28 days to be certified */
   1255 
   1256 	if (X509_gmtime_adj(X509_get_notAfter(x),(long)60*60*24*days) == NULL)
   1257 		goto err;
   1258 
   1259 	if (!X509_set_pubkey(x,pkey)) goto err;
   1260 	if (clrext)
   1261 		{
   1262 		while (X509_get_ext_count(x) > 0) X509_delete_ext(x, 0);
   1263 		}
   1264 	if (conf)
   1265 		{
   1266 		X509V3_CTX ctx;
   1267 		X509_set_version(x,2); /* version 3 certificate */
   1268                 X509V3_set_ctx(&ctx, x, x, NULL, NULL, 0);
   1269                 X509V3_set_nconf(&ctx, conf);
   1270                 if (!X509V3_EXT_add_nconf(conf, &ctx, section, x)) goto err;
   1271 		}
   1272 	if (!X509_sign(x,pkey,digest)) goto err;
   1273 	return 1;
   1274 err:
   1275 	ERR_print_errors(bio_err);
   1276 	return 0;
   1277 	}
   1278 
   1279 static int purpose_print(BIO *bio, X509 *cert, X509_PURPOSE *pt)
   1280 {
   1281 	int id, i, idret;
   1282 	char *pname;
   1283 	id = X509_PURPOSE_get_id(pt);
   1284 	pname = X509_PURPOSE_get0_name(pt);
   1285 	for (i = 0; i < 2; i++)
   1286 		{
   1287 		idret = X509_check_purpose(cert, id, i);
   1288 		BIO_printf(bio, "%s%s : ", pname, i ? " CA" : "");
   1289 		if (idret == 1) BIO_printf(bio, "Yes\n");
   1290 		else if (idret == 0) BIO_printf(bio, "No\n");
   1291 		else BIO_printf(bio, "Yes (WARNING code=%d)\n", idret);
   1292 		}
   1293 	return 1;
   1294 }
   1295