[thirdparty/openssl.git] / apps / verify.c

/* apps/verify.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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>

#undef PROG
#define PROG	verify_main

static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
static int check(X509_STORE *ctx,char *file, STACK_OF(X509)*other, int purpose);
static STACK_OF(X509) *load_untrusted(char *file);
static int v_verbose=0;

int MAIN(int argc, char **argv)
	{
	int i,ret=1;
	int purpose = -1;
	char *CApath=NULL,*CAfile=NULL;
	char *untfile = NULL;
	STACK_OF(X509) *untrusted = NULL;
	X509_STORE *cert_ctx=NULL;
	X509_LOOKUP *lookup=NULL;

	cert_ctx=X509_STORE_new();
	if (cert_ctx == NULL) goto end;
	X509_STORE_set_verify_cb_func(cert_ctx,cb);

	ERR_load_crypto_strings();

	apps_startup();

	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++;
	for (;;)
		{
		if (argc >= 1)
			{
			if (strcmp(*argv,"-CApath") == 0)
				{
				if (argc-- < 1) goto end;
				CApath= *(++argv);
				}
			else if (strcmp(*argv,"-CAfile") == 0)
				{
				if (argc-- < 1) goto end;
				CAfile= *(++argv);
				}
			else if (strcmp(*argv,"-purpose") == 0)
				{
				X509_PURPOSE *xptmp;
				if (argc-- < 1) goto end;
				i = X509_PURPOSE_get_by_sname(*(++argv));
				if(i < 0)
					{
					BIO_printf(bio_err, "unrecognized purpose\n");
					goto end;
					}
				xptmp = X509_PURPOSE_iget(i);
				purpose = X509_PURPOSE_get_id(xptmp);
				}
			else if (strcmp(*argv,"-untrusted") == 0)
				{
				if (argc-- < 1) goto end;
				untfile= *(++argv);
				}
			else if (strcmp(*argv,"-help") == 0)
				goto end;
			else if (strcmp(*argv,"-verbose") == 0)
				v_verbose=1;
			else if (argv[0][0] == '-')
				goto end;
			else
				break;
			argc--;
			argv++;
			}
		else
			break;
		}

	lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
	if (lookup == NULL) abort();
	if (CAfile) {
		i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
		if(!i) {
			BIO_printf(bio_err, "Error loading file %s\n", CAfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
		
	lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
	if (lookup == NULL) abort();
	if (CApath) {
		i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
		if(!i) {
			BIO_printf(bio_err, "Error loading directory %s\n", CApath);
			ERR_print_errors(bio_err);
			goto end;
		}
	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);

	ERR_clear_error();

	if(untfile) {
		if(!(untrusted = load_untrusted(untfile))) {
			BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}

	if (argc < 1) check(cert_ctx, NULL, untrusted, purpose);
	else
		for (i=0; i<argc; i++)
			check(cert_ctx,argv[i], untrusted, purpose);
	ret=0;
end:
	if (ret == 1) {
		BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n");
		BIO_printf(bio_err,"recognized usages:\n");
		for(i = 0; i < X509_PURPOSE_get_count(); i++) {
			X509_PURPOSE *ptmp;
			ptmp = X509_PURPOSE_iget(i);
			BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_iget_sname(ptmp),
								X509_PURPOSE_iget_name(ptmp));
		}
	}
	if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
	sk_X509_pop_free(untrusted, X509_free);
	EXIT(ret);
	}

static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, int purpose)
	{
	X509 *x=NULL;
	BIO *in=NULL;
	int i=0,ret=0;
	X509_STORE_CTX *csc;

	in=BIO_new(BIO_s_file());
	if (in == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if (file == NULL)
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
	else
		{
		if (BIO_read_filename(in,file) <= 0)
			{
			perror(file);
			goto end;
			}
		}

	x=PEM_read_bio_X509(in,NULL,NULL,NULL);
	if (x == NULL)
		{
		fprintf(stdout,"%s: unable to load certificate file\n",
			(file == NULL)?"stdin":file);
		ERR_print_errors(bio_err);
		goto end;
		}
	fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);

	csc = X509_STORE_CTX_new();
	if (csc == NULL)
		{
		ERR_print_errors(bio_err);
		goto end;
		}
	X509_STORE_CTX_init(csc,ctx,x,uchain);
	if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
	i=X509_verify_cert(csc);
	X509_STORE_CTX_free(csc);

	ret=0;
end:
	if (i)
		{
		fprintf(stdout,"OK\n");
		ret=1;
		}
	else
		ERR_print_errors(bio_err);
	if (x != NULL) X509_free(x);
	if (in != NULL) BIO_free(in);

	return(ret);
	}

static STACK_OF(X509) *load_untrusted(char *certfile)
{
	STACK_OF(X509_INFO) *sk=NULL;
	STACK_OF(X509) *stack=NULL, *ret=NULL;
	BIO *in=NULL;
	X509_INFO *xi;

	if(!(stack = sk_X509_new_null())) {
		BIO_printf(bio_err,"memory allocation failure\n");
		goto end;
	}

	if(!(in=BIO_new_file(certfile, "r"))) {
		BIO_printf(bio_err,"error opening the file, %s\n",certfile);
		goto end;
	}

	/* This loads from a file, a stack of x509/crl/pkey sets */
	if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
		BIO_printf(bio_err,"error reading the file, %s\n",certfile);
		goto end;
	}

	/* scan over it and pull out the certs */
	while (sk_X509_INFO_num(sk))
		{
		xi=sk_X509_INFO_shift(sk);
		if (xi->x509 != NULL)
			{
			sk_X509_push(stack,xi->x509);
			xi->x509=NULL;
			}
		X509_INFO_free(xi);
		}
	if(!sk_X509_num(stack)) {
		BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
		sk_X509_free(stack);
		goto end;
	}
	ret=stack;
end:
	BIO_free(in);
	sk_X509_INFO_free(sk);
	return(ret);
	}

static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
	{
	char buf[256];

	if (!ok)
		{
		X509_NAME_oneline(
				X509_get_subject_name(ctx->current_cert),buf,256);
		printf("%s\n",buf);
		printf("error %d at %d depth lookup:%s\n",ctx->error,
			ctx->error_depth,
			X509_verify_cert_error_string(ctx->error));
		if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
		/* since we are just checking the certificates, it is
		 * ok if they are self signed. But we should still warn
		 * the user.
 		 */
		if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
		/* Continue after extension errors too */
		if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
		if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
		if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
		if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
		}
	if (!v_verbose)
		ERR_clear_error();
	return(ok);
	}
Commit	Line	Data
d02b48c6	1	/* apps/verify.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	#include <stdio.h>
	60	#include <stdlib.h>
	61	#include <string.h>
	62	#include "apps.h"
ec577822 BM	63	#include <openssl/bio.h>
	64	#include <openssl/err.h>
	65	#include <openssl/x509.h>
d4cec6a1	66	#include <openssl/x509v3.h>
ec577822	67	#include <openssl/pem.h>
d02b48c6 RE	68
	69	#undef PROG
	70	#define PROG verify_main
	71
d02b48c6	72	static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
d4cec6a1 DSH	73	static int check(X509_STORE ctx,char file, STACK_OF(X509)*other, int purpose);
d4cec6a1 DSH	74	static STACK_OF(X509) load_untrusted(char file);
d02b48c6 RE	75	static int v_verbose=0;
d02b48c6 RE	76
6b691a5c	77	int MAIN(int argc, char **argv)
d02b48c6 RE	78	{
d02b48c6 RE	79	int i,ret=1;
d4cec6a1	80	int purpose = -1;
d02b48c6	81	char CApath=NULL,CAfile=NULL;
d4cec6a1 DSH	82	char *untfile = NULL;
d4cec6a1 DSH	83	STACK_OF(X509) *untrusted = NULL;
d02b48c6 RE	84	X509_STORE *cert_ctx=NULL;
	85	X509_LOOKUP *lookup=NULL;
	86
	87	cert_ctx=X509_STORE_new();
	88	if (cert_ctx == NULL) goto end;
	89	X509_STORE_set_verify_cb_func(cert_ctx,cb);
	90
	91	ERR_load_crypto_strings();
	92
	93	apps_startup();
	94
	95	if (bio_err == NULL)
	96	if ((bio_err=BIO_new(BIO_s_file())) != NULL)
58964a49	97	BIO_set_fp(bio_err,stderr,BIO_NOCLOSE\|BIO_FP_TEXT);
d02b48c6 RE	98
	99	argc--;
	100	argv++;
	101	for (;;)
	102	{
	103	if (argc >= 1)
	104	{
	105	if (strcmp(*argv,"-CApath") == 0)
	106	{
	107	if (argc-- < 1) goto end;
	108	CApath= *(++argv);
	109	}
	110	else if (strcmp(*argv,"-CAfile") == 0)
	111	{
	112	if (argc-- < 1) goto end;
	113	CAfile= *(++argv);
	114	}
d4cec6a1 DSH	115	else if (strcmp(*argv,"-purpose") == 0)
	116	{
	117	X509_PURPOSE *xptmp;
	118	if (argc-- < 1) goto end;
	119	i = X509_PURPOSE_get_by_sname(*(++argv));
	120	if(i < 0)
	121	{
657e60fa	122	BIO_printf(bio_err, "unrecognized purpose\n");
d4cec6a1 DSH	123	goto end;
	124	}
	125	xptmp = X509_PURPOSE_iget(i);
	126	purpose = X509_PURPOSE_get_id(xptmp);
	127	}
	128	else if (strcmp(*argv,"-untrusted") == 0)
	129	{
	130	if (argc-- < 1) goto end;
	131	untfile= *(++argv);
	132	}
d02b48c6 RE	133	else if (strcmp(*argv,"-help") == 0)
	134	goto end;
	135	else if (strcmp(*argv,"-verbose") == 0)
	136	v_verbose=1;
	137	else if (argv[0][0] == '-')
	138	goto end;
	139	else
	140	break;
	141	argc--;
	142	argv++;
	143	}
	144	else
	145	break;
	146	}
	147
	148	lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
	149	if (lookup == NULL) abort();
52664f50 DSH	150	if (CAfile) {
	151	i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
	152	if(!i) {
	153	BIO_printf(bio_err, "Error loading file %s\n", CAfile);
	154	ERR_print_errors(bio_err);
	155	goto end;
	156	}
	157	} else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
d02b48c6 RE	158
	159	lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
	160	if (lookup == NULL) abort();
52664f50 DSH	161	if (CApath) {
	162	i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
	163	if(!i) {
	164	BIO_printf(bio_err, "Error loading directory %s\n", CApath);
	165	ERR_print_errors(bio_err);
	166	goto end;
	167	}
	168	} else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
d02b48c6	169
dfeab068	170	ERR_clear_error();
d4cec6a1 DSH	171
	172	if(untfile) {
	173	if(!(untrusted = load_untrusted(untfile))) {
	174	BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
	175	ERR_print_errors(bio_err);
	176	goto end;
	177	}
	178	}
	179
	180	if (argc < 1) check(cert_ctx, NULL, untrusted, purpose);
d02b48c6 RE	181	else
d02b48c6 RE	182	for (i=0; i<argc; i++)
d4cec6a1	183	check(cert_ctx,argv[i], untrusted, purpose);
d02b48c6 RE	184	ret=0;
d02b48c6 RE	185	end:
d4cec6a1	186	if (ret == 1) {
d02b48c6	187	BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n");
657e60fa	188	BIO_printf(bio_err,"recognized usages:\n");
d4cec6a1 DSH	189	for(i = 0; i < X509_PURPOSE_get_count(); i++) {
	190	X509_PURPOSE *ptmp;
	191	ptmp = X509_PURPOSE_iget(i);
	192	BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_iget_sname(ptmp),
	193	X509_PURPOSE_iget_name(ptmp));
	194	}
	195	}
d02b48c6	196	if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
d4cec6a1	197	sk_X509_pop_free(untrusted, X509_free);
d02b48c6 RE	198	EXIT(ret);
	199	}
	200
d4cec6a1	201	static int check(X509_STORE ctx, char file, STACK_OF(X509) *uchain, int purpose)
d02b48c6 RE	202	{
	203	X509 *x=NULL;
	204	BIO *in=NULL;
	205	int i=0,ret=0;
d4cec6a1	206	X509_STORE_CTX *csc;
d02b48c6 RE	207
	208	in=BIO_new(BIO_s_file());
	209	if (in == NULL)
	210	{
	211	ERR_print_errors(bio_err);
	212	goto end;
	213	}
	214
	215	if (file == NULL)
	216	BIO_set_fp(in,stdin,BIO_NOCLOSE);
	217	else
	218	{
	219	if (BIO_read_filename(in,file) <= 0)
	220	{
	221	perror(file);
	222	goto end;
	223	}
	224	}
	225
74678cc2	226	x=PEM_read_bio_X509(in,NULL,NULL,NULL);
d02b48c6 RE	227	if (x == NULL)
	228	{
	229	fprintf(stdout,"%s: unable to load certificate file\n",
	230	(file == NULL)?"stdin":file);
	231	ERR_print_errors(bio_err);
	232	goto end;
	233	}
	234	fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
	235
d4cec6a1 DSH	236	csc = X509_STORE_CTX_new();
	237	if (csc == NULL)
	238	{
	239	ERR_print_errors(bio_err);
	240	goto end;
	241	}
	242	X509_STORE_CTX_init(csc,ctx,x,uchain);
13938ace	243	if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
d4cec6a1 DSH	244	i=X509_verify_cert(csc);
d4cec6a1 DSH	245	X509_STORE_CTX_free(csc);
d02b48c6 RE	246
	247	ret=0;
	248	end:
	249	if (i)
	250	{
	251	fprintf(stdout,"OK\n");
	252	ret=1;
	253	}
	254	else
	255	ERR_print_errors(bio_err);
	256	if (x != NULL) X509_free(x);
	257	if (in != NULL) BIO_free(in);
	258
	259	return(ret);
	260	}
	261
d4cec6a1 DSH	262	static STACK_OF(X509) load_untrusted(char certfile)
	263	{
	264	STACK_OF(X509_INFO) *sk=NULL;
	265	STACK_OF(X509) stack=NULL, ret=NULL;
	266	BIO *in=NULL;
	267	X509_INFO *xi;
	268
	269	if(!(stack = sk_X509_new_null())) {
	270	BIO_printf(bio_err,"memory allocation failure\n");
	271	goto end;
	272	}
	273
	274	if(!(in=BIO_new_file(certfile, "r"))) {
	275	BIO_printf(bio_err,"error opening the file, %s\n",certfile);
	276	goto end;
	277	}
	278
	279	/* This loads from a file, a stack of x509/crl/pkey sets */
	280	if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
	281	BIO_printf(bio_err,"error reading the file, %s\n",certfile);
	282	goto end;
	283	}
	284
	285	/* scan over it and pull out the certs */
	286	while (sk_X509_INFO_num(sk))
	287	{
	288	xi=sk_X509_INFO_shift(sk);
	289	if (xi->x509 != NULL)
	290	{
	291	sk_X509_push(stack,xi->x509);
	292	xi->x509=NULL;
	293	}
	294	X509_INFO_free(xi);
	295	}
	296	if(!sk_X509_num(stack)) {
	297	BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
	298	sk_X509_free(stack);
	299	goto end;
	300	}
	301	ret=stack;
	302	end:
	303	BIO_free(in);
	304	sk_X509_INFO_free(sk);
	305	return(ret);
	306	}
	307
6b691a5c	308	static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
d02b48c6 RE	309	{
	310	char buf[256];
	311
	312	if (!ok)
	313	{
f76d8c47	314	X509_NAME_oneline(
d02b48c6	315	X509_get_subject_name(ctx->current_cert),buf,256);
f76d8c47 DSH	316	printf("%s\n",buf);
	317	printf("error %d at %d depth lookup:%s\n",ctx->error,
	318	ctx->error_depth,
	319	X509_verify_cert_error_string(ctx->error));
	320	if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
	321	/* since we are just checking the certificates, it is
	322	* ok if they are self signed. But we should still warn
	323	* the user.
	324	*/
	325	if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
d4cec6a1 DSH	326	/* Continue after extension errors too */
	327	if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
	328	if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
	329	if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
	330	if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
d02b48c6 RE	331	}
	332	if (!v_verbose)
	333	ERR_clear_error();
	334	return(ok);
	335	}
	336