Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/openssl/crl2p7.c	Lines:	78	113	69.0 %
Date:	2017-11-07	Branches:	44	76	57.9 %


/* $OpenBSD: crl2p7.c,v 1.7 2017/01/20 08:57:11 deraadt Exp $ */
/* 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.]
 */

/* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu>
 * and donated 'to the cause' along with lots and lots of other fixes to
 * the library. */

#include <sys/types.h>

#include <stdio.h>
#include <string.h>

#include "apps.h"

#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/x509.h>

static int add_certs_from_file(STACK_OF(X509) * stack, char *certfile);

static struct {
	STACK_OF(OPENSSL_STRING) *certflst;
	char *infile;
	int informat;
	int nocrl;
	char *outfile;
	int outformat;
} crl2p7_config;

static int
crl2p7_opt_certfile(char *arg)
{
	if (crl2p7_config.certflst == NULL)
		crl2p7_config.certflst = sk_OPENSSL_STRING_new_null();
	if (crl2p7_config.certflst == NULL) {
		fprintf(stderr, "out of memory\n");
		return (1);
	}
	if (!sk_OPENSSL_STRING_push(crl2p7_config.certflst, arg)) {
		fprintf(stderr, "out of memory\n");
		return (1);
	}

	return (0);
}

static struct option crl2p7_options[] = {
	{
		.name = "certfile",
		.argname = "file",
		.desc = "Chain of PEM certificates to a trusted CA",
		.type = OPTION_ARG_FUNC,
		.opt.argfunc = crl2p7_opt_certfile,
	},
	{
		.name = "in",
		.argname = "file",
		.desc = "Input file (default stdin)",
		.type = OPTION_ARG,
		.opt.arg = &crl2p7_config.infile,
	},
	{
		.name = "inform",
		.argname = "format",
		.desc = "Input format (DER or PEM (default))",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &crl2p7_config.informat,
	},
	{
		.name = "nocrl",
		.desc = "Do not read CRL from input or include CRL in output",
		.type = OPTION_FLAG,
		.opt.flag = &crl2p7_config.nocrl,
	},
	{
		.name = "out",
		.argname = "file",
		.desc = "Output file (default stdout)",
		.type = OPTION_ARG,
		.opt.arg = &crl2p7_config.outfile,
	},
	{
		.name = "outform",
		.argname = "format",
		.desc = "Output format (DER or PEM (default))",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &crl2p7_config.outformat,
	},
	{ NULL },
};

static void
crl2p7_usage(void)
{
	fprintf(stderr,
	    "usage: crl2p7 [-certfile file] [-in file] [-inform DER | PEM]\n"
	    "    [-nocrl] [-out file] [-outform DER | PEM]\n\n");
	options_usage(crl2p7_options);
}

int
crl2pkcs7_main(int argc, char **argv)
{
	int i;
	BIO *in = NULL, *out = NULL;
	char *certfile;
	PKCS7 *p7 = NULL;
	PKCS7_SIGNED *p7s = NULL;
	X509_CRL *crl = NULL;
	STACK_OF(X509_CRL) *crl_stack = NULL;
	STACK_OF(X509) *cert_stack = NULL;
	int ret = 1;

	if (single_execution) {
		if (pledge("stdio cpath wpath rpath flock", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

	memset(&crl2p7_config, 0, sizeof(crl2p7_config));

	crl2p7_config.informat = FORMAT_PEM;
	crl2p7_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, crl2p7_options, NULL, NULL) != 0) {
		crl2p7_usage();
		goto end;
	}

	in = BIO_new(BIO_s_file());
	out = BIO_new(BIO_s_file());
	if (in == NULL || out == NULL) {
		ERR_print_errors(bio_err);
		goto end;
	}
	if (!crl2p7_config.nocrl) {
		if (crl2p7_config.infile == NULL)
			BIO_set_fp(in, stdin, BIO_NOCLOSE);
		else {
			if (BIO_read_filename(in, crl2p7_config.infile) <= 0) {
				perror(crl2p7_config.infile);
				goto end;
			}
		}

		if (crl2p7_config.informat == FORMAT_ASN1)
			crl = d2i_X509_CRL_bio(in, NULL);
		else if (crl2p7_config.informat == FORMAT_PEM)
			crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
		else {
			BIO_printf(bio_err,
			    "bad input format specified for input crl\n");
			goto end;
		}
		if (crl == NULL) {
			BIO_printf(bio_err, "unable to load CRL\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if ((p7 = PKCS7_new()) == NULL)
		goto end;
	if ((p7s = PKCS7_SIGNED_new()) == NULL)
		goto end;
	p7->type = OBJ_nid2obj(NID_pkcs7_signed);
	p7->d.sign = p7s;
	p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);

	if (!ASN1_INTEGER_set(p7s->version, 1))
		goto end;
	if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
		goto end;
	p7s->crl = crl_stack;
	if (crl != NULL) {
		sk_X509_CRL_push(crl_stack, crl);
		crl = NULL;	/* now part of p7 for freeing */
	}
	if ((cert_stack = sk_X509_new_null()) == NULL)
		goto end;
	p7s->cert = cert_stack;

	if (crl2p7_config.certflst) {
		for (i = 0; i < sk_OPENSSL_STRING_num(crl2p7_config.certflst); i++) {
			certfile = sk_OPENSSL_STRING_value(crl2p7_config.certflst, i);
			if (add_certs_from_file(cert_stack, certfile) < 0) {
				BIO_printf(bio_err,
				    "error loading certificates\n");
				ERR_print_errors(bio_err);
				goto end;
			}
		}
	}

	sk_OPENSSL_STRING_free(crl2p7_config.certflst);

	if (crl2p7_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, crl2p7_config.outfile) <= 0) {
			perror(crl2p7_config.outfile);
			goto end;
		}
	}

	if (crl2p7_config.outformat == FORMAT_ASN1)
		i = i2d_PKCS7_bio(out, p7);
	else if (crl2p7_config.outformat == FORMAT_PEM)
		i = PEM_write_bio_PKCS7(out, p7);
	else {
		BIO_printf(bio_err,
		    "bad output format specified for outfile\n");
		goto end;
	}
	if (!i) {
		BIO_printf(bio_err, "unable to write pkcs7 object\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	ret = 0;

end:
	if (in != NULL)
		BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (p7 != NULL)
		PKCS7_free(p7);
	if (crl != NULL)
		X509_CRL_free(crl);

	return (ret);
}

static int
add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
{
	BIO *in = NULL;
	int count = 0;
	int ret = -1;
	STACK_OF(X509_INFO) *sk = NULL;
	X509_INFO *xi;

	in = BIO_new(BIO_s_file());
	if (in == NULL || BIO_read_filename(in, certfile) <= 0) {
		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 */
	sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
	if (sk == NULL) {
		BIO_printf(bio_err, "error reading the file, %s\n", certfile);
		goto end;
	}
	/* scan over it and pull out the CRL's */
	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;
			count++;
		}
		X509_INFO_free(xi);
	}

	ret = count;

end:
	/* never need to free x */
	if (in != NULL)
		BIO_free(in);
	if (sk != NULL)
		sk_X509_INFO_free(sk);
	return (ret);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: crl2p7.c,v 1.7 2017/01/20 08:57:11 deraadt Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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			/* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu>
60			* and donated 'to the cause' along with lots and lots of other fixes to
61			* the library. */
62
63			#include <sys/types.h>
64
65			#include <stdio.h>
66			#include <string.h>
67
68			#include "apps.h"
69
70			#include <openssl/err.h>
71			#include <openssl/evp.h>
72			#include <openssl/objects.h>
73			#include <openssl/pem.h>
74			#include <openssl/pkcs7.h>
75			#include <openssl/x509.h>
76
77			static int add_certs_from_file(STACK_OF(X509) * stack, char *certfile);
78
79			static struct {
80			STACK_OF(OPENSSL_STRING) *certflst;
81			char *infile;
82			int informat;
83			int nocrl;
84			char *outfile;
85			int outformat;
86			} crl2p7_config;
87
88			static int
89			crl2p7_opt_certfile(char *arg)
90			{
91	✓✗	16	if (crl2p7_config.certflst == NULL)
92		8	crl2p7_config.certflst = sk_OPENSSL_STRING_new_null();
93	✗✓	8	if (crl2p7_config.certflst == NULL) {
94			fprintf(stderr, "out of memory\n");
95			return (1);
96			}
97	✗✓	8	if (!sk_OPENSSL_STRING_push(crl2p7_config.certflst, arg)) {
98			fprintf(stderr, "out of memory\n");
99			return (1);
100			}
101
102		8	return (0);
103		8	}
104
105			static struct option crl2p7_options[] = {
106			{
107			.name = "certfile",
108			.argname = "file",
109			.desc = "Chain of PEM certificates to a trusted CA",
110			.type = OPTION_ARG_FUNC,
111			.opt.argfunc = crl2p7_opt_certfile,
112			},
113			{
114			.name = "in",
115			.argname = "file",
116			.desc = "Input file (default stdin)",
117			.type = OPTION_ARG,
118			.opt.arg = &crl2p7_config.infile,
119			},
120			{
121			.name = "inform",
122			.argname = "format",
123			.desc = "Input format (DER or PEM (default))",
124			.type = OPTION_ARG_FORMAT,
125			.opt.value = &crl2p7_config.informat,
126			},
127			{
128			.name = "nocrl",
129			.desc = "Do not read CRL from input or include CRL in output",
130			.type = OPTION_FLAG,
131			.opt.flag = &crl2p7_config.nocrl,
132			},
133			{
134			.name = "out",
135			.argname = "file",
136			.desc = "Output file (default stdout)",
137			.type = OPTION_ARG,
138			.opt.arg = &crl2p7_config.outfile,
139			},
140			{
141			.name = "outform",
142			.argname = "format",
143			.desc = "Output format (DER or PEM (default))",
144			.type = OPTION_ARG_FORMAT,
145			.opt.value = &crl2p7_config.outformat,
146			},
147			{ NULL },
148			};
149
150			static void
151			crl2p7_usage(void)
152			{
153		16	fprintf(stderr,
154			"usage: crl2p7 [-certfile file] [-in file] [-inform DER \| PEM]\n"
155			" [-nocrl] [-out file] [-outform DER \| PEM]\n\n");
156		8	options_usage(crl2p7_options);
157		8	}
158
159			int
160			crl2pkcs7_main(int argc, char **argv)
161			{
162			int i;
163			BIO in = NULL, out = NULL;
164			char *certfile;
165			PKCS7 *p7 = NULL;
166			PKCS7_SIGNED *p7s = NULL;
167			X509_CRL *crl = NULL;
168			STACK_OF(X509_CRL) *crl_stack = NULL;
169			STACK_OF(X509) *cert_stack = NULL;
170			int ret = 1;
171
172	✓✗	32	if (single_execution) {
173	✗✓	16	if (pledge("stdio cpath wpath rpath flock", NULL) == -1) {
174			perror("pledge");
175			exit(1);
176			}
177			}
178
179		16	memset(&crl2p7_config, 0, sizeof(crl2p7_config));
180
181		16	crl2p7_config.informat = FORMAT_PEM;
182		16	crl2p7_config.outformat = FORMAT_PEM;
183
184	✓✓	16	if (options_parse(argc, argv, crl2p7_options, NULL, NULL) != 0) {
185		8	crl2p7_usage();
186		8	goto end;
187			}
188
189		8	in = BIO_new(BIO_s_file());
190		8	out = BIO_new(BIO_s_file());
191	✗✓	8	if (in == NULL \|\| out == NULL) {
192			ERR_print_errors(bio_err);
193			goto end;
194			}
195	✓✗	8	if (!crl2p7_config.nocrl) {
196	✗✓	8	if (crl2p7_config.infile == NULL)
197			BIO_set_fp(in, stdin, BIO_NOCLOSE);
198			else {
199	✗✓	8	if (BIO_read_filename(in, crl2p7_config.infile) <= 0) {
200			perror(crl2p7_config.infile);
201			goto end;
202			}
203			}
204
205	✗✓	8	if (crl2p7_config.informat == FORMAT_ASN1)
206			crl = d2i_X509_CRL_bio(in, NULL);
207	✓✗	8	else if (crl2p7_config.informat == FORMAT_PEM)
208		8	crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL);
209			else {
210			BIO_printf(bio_err,
211			"bad input format specified for input crl\n");
212			goto end;
213			}
214	✗✓	8	if (crl == NULL) {
215			BIO_printf(bio_err, "unable to load CRL\n");
216			ERR_print_errors(bio_err);
217			goto end;
218			}
219			}
220	✓✗	8	if ((p7 = PKCS7_new()) == NULL)
221			goto end;
222	✓✗	8	if ((p7s = PKCS7_SIGNED_new()) == NULL)
223			goto end;
224		8	p7->type = OBJ_nid2obj(NID_pkcs7_signed);
225		8	p7->d.sign = p7s;
226		8	p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data);
227
228	✓✗	8	if (!ASN1_INTEGER_set(p7s->version, 1))
229			goto end;
230	✓✗	8	if ((crl_stack = sk_X509_CRL_new_null()) == NULL)
231			goto end;
232		8	p7s->crl = crl_stack;
233	✓✗	8	if (crl != NULL) {
234		8	sk_X509_CRL_push(crl_stack, crl);
235			crl = NULL; /* now part of p7 for freeing */
236		8	}
237	✓✗	8	if ((cert_stack = sk_X509_new_null()) == NULL)
238			goto end;
239		8	p7s->cert = cert_stack;
240
241	✓✗	8	if (crl2p7_config.certflst) {
242	✓✓	32	for (i = 0; i < sk_OPENSSL_STRING_num(crl2p7_config.certflst); i++) {
243		8	certfile = sk_OPENSSL_STRING_value(crl2p7_config.certflst, i);
244	✗✓	8	if (add_certs_from_file(cert_stack, certfile) < 0) {
245			BIO_printf(bio_err,
246			"error loading certificates\n");
247			ERR_print_errors(bio_err);
248			goto end;
249			}
250			}
251			}
252
253		8	sk_OPENSSL_STRING_free(crl2p7_config.certflst);
254
255	✗✓	8	if (crl2p7_config.outfile == NULL) {
256			BIO_set_fp(out, stdout, BIO_NOCLOSE);
257			} else {
258	✗✓	8	if (BIO_write_filename(out, crl2p7_config.outfile) <= 0) {
259			perror(crl2p7_config.outfile);
260			goto end;
261			}
262			}
263
264	✗✓	8	if (crl2p7_config.outformat == FORMAT_ASN1)
265			i = i2d_PKCS7_bio(out, p7);
266	✓✗	8	else if (crl2p7_config.outformat == FORMAT_PEM)
267		8	i = PEM_write_bio_PKCS7(out, p7);
268			else {
269			BIO_printf(bio_err,
270			"bad output format specified for outfile\n");
271			goto end;
272			}
273	✗✓	8	if (!i) {
274			BIO_printf(bio_err, "unable to write pkcs7 object\n");
275			ERR_print_errors(bio_err);
276			goto end;
277			}
278		8	ret = 0;
279
280			end:
281	✓✓	16	if (in != NULL)
282		8	BIO_free(in);
283	✓✓	16	if (out != NULL)
284		8	BIO_free_all(out);
285	✓✓	16	if (p7 != NULL)
286		8	PKCS7_free(p7);
287	✗✓	16	if (crl != NULL)
288			X509_CRL_free(crl);
289
290		16	return (ret);
291			}
292
293			static int
294			add_certs_from_file(STACK_OF(X509) stack, char certfile)
295			{
296			BIO *in = NULL;
297			int count = 0;
298			int ret = -1;
299			STACK_OF(X509_INFO) *sk = NULL;
300			X509_INFO *xi;
301
302		16	in = BIO_new(BIO_s_file());
303	✓✗✗✓	16	if (in == NULL \|\| BIO_read_filename(in, certfile) <= 0) {
304			BIO_printf(bio_err, "error opening the file, %s\n", certfile);
305			goto end;
306			}
307			/* This loads from a file, a stack of x509/crl/pkey sets */
308		8	sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL);
309	✗✓	8	if (sk == NULL) {
310			BIO_printf(bio_err, "error reading the file, %s\n", certfile);
311			goto end;
312			}
313			/* scan over it and pull out the CRL's */
314	✓✓	24	while (sk_X509_INFO_num(sk)) {
315		8	xi = sk_X509_INFO_shift(sk);
316	✓✗	8	if (xi->x509 != NULL) {
317		8	sk_X509_push(stack, xi->x509);
318		8	xi->x509 = NULL;
319		8	count++;
320		8	}
321		8	X509_INFO_free(xi);
322			}
323
324		8	ret = count;
325
326			end:
327			/* never need to free x */
328	✓✗	8	if (in != NULL)
329		8	BIO_free(in);
330	✓✗	8	if (sk != NULL)
331		8	sk_X509_INFO_free(sk);
332		8	return (ret);
333			}