Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/x509/by_dir.c	Lines:	47	160	29.4 %
Date:	2017-11-13	Branches:	26	108	24.1 %


/* $OpenBSD: by_dir.c,v 1.38 2017/01/29 17:49:23 beck 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.]
 */

#include <sys/types.h>

#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

#include <openssl/opensslconf.h>

#include <openssl/err.h>
#include <openssl/lhash.h>
#include <openssl/x509.h>

# include <sys/stat.h>

typedef struct lookup_dir_hashes_st {
	unsigned long hash;
	int suffix;
} BY_DIR_HASH;

typedef struct lookup_dir_entry_st {
	char *dir;
	int dir_type;
	STACK_OF(BY_DIR_HASH) *hashes;
} BY_DIR_ENTRY;

typedef struct lookup_dir_st {
	BUF_MEM *buffer;
	STACK_OF(BY_DIR_ENTRY) *dirs;
} BY_DIR;

DECLARE_STACK_OF(BY_DIR_HASH)
DECLARE_STACK_OF(BY_DIR_ENTRY)

static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
    char **ret);
static int new_dir(X509_LOOKUP *lu);
static void free_dir(X509_LOOKUP *lu);
static int add_cert_dir(BY_DIR *ctx, const char *dir, int type);
static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
    X509_OBJECT *ret);

static X509_LOOKUP_METHOD x509_dir_lookup = {
	.name = "Load certs from files in a directory",
	.new_item = new_dir,
	.free = free_dir,
	.init = NULL,
	.shutdown = NULL,
	.ctrl = dir_ctrl,
	.get_by_subject = get_cert_by_subject,
	.get_by_issuer_serial = NULL,
	.get_by_fingerprint = NULL,
	.get_by_alias = NULL,
};

X509_LOOKUP_METHOD *
X509_LOOKUP_hash_dir(void)
{
	return (&x509_dir_lookup);
}

static int
dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
    char **retp)
{
	int ret = 0;
	BY_DIR *ld;

	ld = (BY_DIR *)ctx->method_data;

	switch (cmd) {
	case X509_L_ADD_DIR:
		if (argl == X509_FILETYPE_DEFAULT) {
			ret = add_cert_dir(ld, X509_get_default_cert_dir(),
			    X509_FILETYPE_PEM);
			if (!ret) {
				X509error(X509_R_LOADING_CERT_DIR);
			}
		} else
			ret = add_cert_dir(ld, argp, (int)argl);
		break;
	}
	return (ret);
}

static int
new_dir(X509_LOOKUP *lu)
{
	BY_DIR *a;

	if ((a = malloc(sizeof(BY_DIR))) == NULL)
		return (0);
	if ((a->buffer = BUF_MEM_new()) == NULL) {
		free(a);
		return (0);
	}
	a->dirs = NULL;
	lu->method_data = (char *)a;
	return (1);
}

static void
by_dir_hash_free(BY_DIR_HASH *hash)
{
	free(hash);
}

static int
by_dir_hash_cmp(const BY_DIR_HASH * const *a,
    const BY_DIR_HASH * const *b)
{
	if ((*a)->hash > (*b)->hash)
		return 1;
	if ((*a)->hash < (*b)->hash)
		return -1;
	return 0;
}

static void
by_dir_entry_free(BY_DIR_ENTRY *ent)
{
	free(ent->dir);
	if (ent->hashes)
		sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
	free(ent);
}

static void
free_dir(X509_LOOKUP *lu)
{
	BY_DIR *a;

	a = (BY_DIR *)lu->method_data;
	if (a->dirs != NULL)
		sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
	if (a->buffer != NULL)
		BUF_MEM_free(a->buffer);
	free(a);
}

static int
add_cert_dir(BY_DIR *ctx, const char *dir, int type)
{
	int j;
	const char *s, *ss, *p;
	ptrdiff_t len;

	if (dir == NULL || !*dir) {
		X509error(X509_R_INVALID_DIRECTORY);
		return 0;
	}

	s = dir;
	p = s;
	do {
		if ((*p == ':') || (*p == '\0')) {
			BY_DIR_ENTRY *ent;
			ss = s;
			s = p + 1;
			len = p - ss;
			if (len == 0)
				continue;
			for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
				ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
				if (strlen(ent->dir) == (size_t)len &&
				    strncmp(ent->dir, ss, (size_t)len) == 0)
					break;
			}
			if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
				continue;
			if (ctx->dirs == NULL) {
				ctx->dirs = sk_BY_DIR_ENTRY_new_null();
				if (!ctx->dirs) {
					X509error(ERR_R_MALLOC_FAILURE);
					return 0;
				}
			}
			ent = malloc(sizeof(BY_DIR_ENTRY));
			if (!ent) {
				X509error(ERR_R_MALLOC_FAILURE);
				return 0;
			}
			ent->dir_type = type;
			ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
			ent->dir = strndup(ss, (size_t)len);
			if (!ent->dir || !ent->hashes) {
				X509error(ERR_R_MALLOC_FAILURE);
				by_dir_entry_free(ent);
				return 0;
			}
			if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
				X509error(ERR_R_MALLOC_FAILURE);
				by_dir_entry_free(ent);
				return 0;
			}
		}
	} while (*p++ != '\0');
	return 1;
}

static int
get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
    X509_OBJECT *ret)
{
	BY_DIR *ctx;
	union	{
		struct	{
			X509 st_x509;
			X509_CINF st_x509_cinf;
		} x509;
		struct	{
			X509_CRL st_crl;
			X509_CRL_INFO st_crl_info;
		} crl;
	} data;
	int ok = 0;
	int i, j, k;
	unsigned long h;
	BUF_MEM *b = NULL;
	X509_OBJECT stmp, *tmp;
	const char *postfix="";

	if (name == NULL)
		return (0);

	stmp.type = type;
	if (type == X509_LU_X509) {
		data.x509.st_x509.cert_info = &data.x509.st_x509_cinf;
		data.x509.st_x509_cinf.subject = name;
		stmp.data.x509 = &data.x509.st_x509;
		postfix="";
	} else if (type == X509_LU_CRL) {
		data.crl.st_crl.crl = &data.crl.st_crl_info;
		data.crl.st_crl_info.issuer = name;
		stmp.data.crl = &data.crl.st_crl;
		postfix="r";
	} else {
		X509error(X509_R_WRONG_LOOKUP_TYPE);
		goto finish;
	}

	if ((b = BUF_MEM_new()) == NULL) {
		X509error(ERR_R_BUF_LIB);
		goto finish;
	}

	ctx = (BY_DIR *)xl->method_data;

	h = X509_NAME_hash(name);
	for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
		BY_DIR_ENTRY *ent;
		int idx;
		BY_DIR_HASH htmp, *hent;
		ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
		j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
		if (!BUF_MEM_grow(b, j)) {
			X509error(ERR_R_MALLOC_FAILURE);
			goto finish;
		}
		if (type == X509_LU_CRL && ent->hashes) {
			htmp.hash = h;
			CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
			idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
			if (idx >= 0) {
				hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
				k = hent->suffix;
			} else {
				hent = NULL;
				k = 0;
			}
			CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
		} else {
			k = 0;
			hent = NULL;
		}
		for (;;) {
			(void) snprintf(b->data, b->max, "%s/%08lx.%s%d",
			    ent->dir, h, postfix, k);

			{
				struct stat st;
				if (stat(b->data, &st) < 0)
					break;
			}
			/* found one. */
			if (type == X509_LU_X509) {
				if ((X509_load_cert_file(xl, b->data,
				    ent->dir_type)) == 0)
					break;
			} else if (type == X509_LU_CRL) {
				if ((X509_load_crl_file(xl, b->data,
				    ent->dir_type)) == 0)
					break;
			}
			/* else case will caught higher up */
			k++;
		}

		/* we have added it to the cache so now pull it out again */
		CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
		j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
		if (j != -1)
			tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
		else
			tmp = NULL;
		CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);

		/* If a CRL, update the last file suffix added for this */
		if (type == X509_LU_CRL) {
			CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
			/*
			 * Look for entry again in case another thread added
			 * an entry first.
			 */
			if (!hent) {
				htmp.hash = h;
				idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
				if (idx >= 0)
					hent = sk_BY_DIR_HASH_value(
					    ent->hashes, idx);
			}
			if (!hent) {
				hent = malloc(sizeof(BY_DIR_HASH));
				if (!hent) {
					X509error(ERR_R_MALLOC_FAILURE);
					CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
					ok = 0;
					goto finish;
				}
				hent->hash = h;
				hent->suffix = k;
				if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
					X509error(ERR_R_MALLOC_FAILURE);
					CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
					free(hent);
					ok = 0;
					goto finish;
				}
			} else if (hent->suffix < k)
				hent->suffix = k;

			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);

		}

		if (tmp != NULL) {
			ok = 1;
			ret->type = tmp->type;
			memcpy(&ret->data, &tmp->data, sizeof(ret->data));
			/*
			 * If we were going to up the reference count,
			 * we would need to do it on a perl 'type' basis
			 */
	/*		CRYPTO_add(&tmp->data.x509->references,1,
				CRYPTO_LOCK_X509);*/
			goto finish;
		}
	}
finish:
	if (b != NULL)
		BUF_MEM_free(b);
	return (ok);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: by_dir.c,v 1.38 2017/01/29 17:49:23 beck 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			#include <sys/types.h>
60
61			#include <errno.h>
62			#include <stdio.h>
63			#include <string.h>
64			#include <time.h>
65			#include <unistd.h>
66
67			#include <openssl/opensslconf.h>
68
69			#include <openssl/err.h>
70			#include <openssl/lhash.h>
71			#include <openssl/x509.h>
72
73			# include <sys/stat.h>
74
75			typedef struct lookup_dir_hashes_st {
76			unsigned long hash;
77			int suffix;
78			} BY_DIR_HASH;
79
80			typedef struct lookup_dir_entry_st {
81			char *dir;
82			int dir_type;
83			STACK_OF(BY_DIR_HASH) *hashes;
84			} BY_DIR_ENTRY;
85
86			typedef struct lookup_dir_st {
87			BUF_MEM *buffer;
88			STACK_OF(BY_DIR_ENTRY) *dirs;
89			} BY_DIR;
90
91			DECLARE_STACK_OF(BY_DIR_HASH)
92			DECLARE_STACK_OF(BY_DIR_ENTRY)
93
94			static int dir_ctrl(X509_LOOKUP ctx, int cmd, const char argp, long argl,
95			char **ret);
96			static int new_dir(X509_LOOKUP *lu);
97			static void free_dir(X509_LOOKUP *lu);
98			static int add_cert_dir(BY_DIR ctx, const char dir, int type);
99			static int get_cert_by_subject(X509_LOOKUP xl, int type, X509_NAME name,
100			X509_OBJECT *ret);
101
102			static X509_LOOKUP_METHOD x509_dir_lookup = {
103			.name = "Load certs from files in a directory",
104			.new_item = new_dir,
105			.free = free_dir,
106			.init = NULL,
107			.shutdown = NULL,
108			.ctrl = dir_ctrl,
109			.get_by_subject = get_cert_by_subject,
110			.get_by_issuer_serial = NULL,
111			.get_by_fingerprint = NULL,
112			.get_by_alias = NULL,
113			};
114
115			X509_LOOKUP_METHOD *
116			X509_LOOKUP_hash_dir(void)
117			{
118		178	return (&x509_dir_lookup);
119			}
120
121			static int
122			dir_ctrl(X509_LOOKUP ctx, int cmd, const char argp, long argl,
123			char **retp)
124			{
125			int ret = 0;
126			BY_DIR *ld;
127
128		178	ld = (BY_DIR *)ctx->method_data;
129
130	✓✗	89	switch (cmd) {
131			case X509_L_ADD_DIR:
132	✓✗	89	if (argl == X509_FILETYPE_DEFAULT) {
133		89	ret = add_cert_dir(ld, X509_get_default_cert_dir(),
134			X509_FILETYPE_PEM);
135	✗✓	89	if (!ret) {
136			X509error(X509_R_LOADING_CERT_DIR);
137			}
138			} else
139			ret = add_cert_dir(ld, argp, (int)argl);
140			break;
141			}
142		89	return (ret);
143			}
144
145			static int
146			new_dir(X509_LOOKUP *lu)
147			{
148			BY_DIR *a;
149
150	✗✓	178	if ((a = malloc(sizeof(BY_DIR))) == NULL)
151			return (0);
152	✗✓	89	if ((a->buffer = BUF_MEM_new()) == NULL) {
153			free(a);
154			return (0);
155			}
156		89	a->dirs = NULL;
157		89	lu->method_data = (char *)a;
158		89	return (1);
159		89	}
160
161			static void
162			by_dir_hash_free(BY_DIR_HASH *hash)
163			{
164			free(hash);
165			}
166
167			static int
168			by_dir_hash_cmp(const BY_DIR_HASH * const *a,
169			const BY_DIR_HASH * const *b)
170			{
171			if ((a)->hash > (b)->hash)
172			return 1;
173			if ((a)->hash < (b)->hash)
174			return -1;
175			return 0;
176			}
177
178			static void
179			by_dir_entry_free(BY_DIR_ENTRY *ent)
180			{
181		178	free(ent->dir);
182	✓✗	89	if (ent->hashes)
183		89	sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
184		89	free(ent);
185		89	}
186
187			static void
188			free_dir(X509_LOOKUP *lu)
189			{
190			BY_DIR *a;
191
192		178	a = (BY_DIR *)lu->method_data;
193	✓✗	89	if (a->dirs != NULL)
194		89	sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
195	✓✗	89	if (a->buffer != NULL)
196		89	BUF_MEM_free(a->buffer);
197		89	free(a);
198		89	}
199
200			static int
201			add_cert_dir(BY_DIR ctx, const char dir, int type)
202			{
203			int j;
204			const char s, ss, *p;
205			ptrdiff_t len;
206
207	✓✗✗✓	267	if (dir == NULL \|\| !*dir) {
208			X509error(X509_R_INVALID_DIRECTORY);
209			return 0;
210			}
211
212			s = dir;
213			p = s;
214		89	do {
215	✓✗✓✓	2670	if ((p == ':') \|\| (p == '\0')) {
216			BY_DIR_ENTRY *ent;
217			ss = s;
218		89	s = p + 1;
219		89	len = p - ss;
220	✗✓	89	if (len == 0)
221			continue;
222	✗✓	178	for (j = 0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++) {
223			ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
224			if (strlen(ent->dir) == (size_t)len &&
225			strncmp(ent->dir, ss, (size_t)len) == 0)
226			break;
227			}
228	✗✓	89	if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
229			continue;
230	✓✗	89	if (ctx->dirs == NULL) {
231		89	ctx->dirs = sk_BY_DIR_ENTRY_new_null();
232	✗✓	89	if (!ctx->dirs) {
233			X509error(ERR_R_MALLOC_FAILURE);
234			return 0;
235			}
236			}
237		89	ent = malloc(sizeof(BY_DIR_ENTRY));
238	✗✓	89	if (!ent) {
239			X509error(ERR_R_MALLOC_FAILURE);
240			return 0;
241			}
242		89	ent->dir_type = type;
243		89	ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
244		89	ent->dir = strndup(ss, (size_t)len);
245	✓✗✗✓	178	if (!ent->dir \|\| !ent->hashes) {
246			X509error(ERR_R_MALLOC_FAILURE);
247			by_dir_entry_free(ent);
248			return 0;
249			}
250	✗✓	89	if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
251			X509error(ERR_R_MALLOC_FAILURE);
252			by_dir_entry_free(ent);
253			return 0;
254			}
255	✗✓✓	89	}
256	✓✓	1335	} while (*p++ != '\0');
257		89	return 1;
258		89	}
259
260			static int
261			get_cert_by_subject(X509_LOOKUP xl, int type, X509_NAME name,
262			X509_OBJECT *ret)
263			{
264			BY_DIR *ctx;
265			union {
266			struct {
267			X509 st_x509;
268			X509_CINF st_x509_cinf;
269			} x509;
270			struct {
271			X509_CRL st_crl;
272			X509_CRL_INFO st_crl_info;
273			} crl;
274			} data;
275			int ok = 0;
276			int i, j, k;
277			unsigned long h;
278			BUF_MEM *b = NULL;
279			X509_OBJECT stmp, *tmp;
280			const char *postfix="";
281
282			if (name == NULL)
283			return (0);
284
285			stmp.type = type;
286			if (type == X509_LU_X509) {
287			data.x509.st_x509.cert_info = &data.x509.st_x509_cinf;
288			data.x509.st_x509_cinf.subject = name;
289			stmp.data.x509 = &data.x509.st_x509;
290			postfix="";
291			} else if (type == X509_LU_CRL) {
292			data.crl.st_crl.crl = &data.crl.st_crl_info;
293			data.crl.st_crl_info.issuer = name;
294			stmp.data.crl = &data.crl.st_crl;
295			postfix="r";
296			} else {
297			X509error(X509_R_WRONG_LOOKUP_TYPE);
298			goto finish;
299			}
300
301			if ((b = BUF_MEM_new()) == NULL) {
302			X509error(ERR_R_BUF_LIB);
303			goto finish;
304			}
305
306			ctx = (BY_DIR *)xl->method_data;
307
308			h = X509_NAME_hash(name);
309			for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
310			BY_DIR_ENTRY *ent;
311			int idx;
312			BY_DIR_HASH htmp, *hent;
313			ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
314			j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
315			if (!BUF_MEM_grow(b, j)) {
316			X509error(ERR_R_MALLOC_FAILURE);
317			goto finish;
318			}
319			if (type == X509_LU_CRL && ent->hashes) {
320			htmp.hash = h;
321			CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
322			idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
323			if (idx >= 0) {
324			hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
325			k = hent->suffix;
326			} else {
327			hent = NULL;
328			k = 0;
329			}
330			CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
331			} else {
332			k = 0;
333			hent = NULL;
334			}
335			for (;;) {
336			(void) snprintf(b->data, b->max, "%s/%08lx.%s%d",
337			ent->dir, h, postfix, k);
338
339			{
340			struct stat st;
341			if (stat(b->data, &st) < 0)
342			break;
343			}
344			/* found one. */
345			if (type == X509_LU_X509) {
346			if ((X509_load_cert_file(xl, b->data,
347			ent->dir_type)) == 0)
348			break;
349			} else if (type == X509_LU_CRL) {
350			if ((X509_load_crl_file(xl, b->data,
351			ent->dir_type)) == 0)
352			break;
353			}
354			/* else case will caught higher up */
355			k++;
356			}
357
358			/* we have added it to the cache so now pull it out again */
359			CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
360			j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
361			if (j != -1)
362			tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
363			else
364			tmp = NULL;
365			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
366
367			/* If a CRL, update the last file suffix added for this */
368			if (type == X509_LU_CRL) {
369			CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
370			/*
371			* Look for entry again in case another thread added
372			* an entry first.
373			*/
374			if (!hent) {
375			htmp.hash = h;
376			idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
377			if (idx >= 0)
378			hent = sk_BY_DIR_HASH_value(
379			ent->hashes, idx);
380			}
381			if (!hent) {
382			hent = malloc(sizeof(BY_DIR_HASH));
383			if (!hent) {
384			X509error(ERR_R_MALLOC_FAILURE);
385			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
386			ok = 0;
387			goto finish;
388			}
389			hent->hash = h;
390			hent->suffix = k;
391			if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
392			X509error(ERR_R_MALLOC_FAILURE);
393			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
394			free(hent);
395			ok = 0;
396			goto finish;
397			}
398			} else if (hent->suffix < k)
399			hent->suffix = k;
400
401			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
402
403			}
404
405			if (tmp != NULL) {
406			ok = 1;
407			ret->type = tmp->type;
408			memcpy(&ret->data, &tmp->data, sizeof(ret->data));
409			/*
410			* If we were going to up the reference count,
411			* we would need to do it on a perl 'type' basis
412			*/
413			/* CRYPTO_add(&tmp->data.x509->references,1,
414			CRYPTO_LOCK_X509);*/
415			goto finish;
416			}
417			}
418			finish:
419			if (b != NULL)
420			BUF_MEM_free(b);
421			return (ok);
422			}