-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+#include "e_os.h"
+#include "internal/cryptlib.h"
#include <stdio.h>
#include <time.h>
#include <errno.h>
+#include <sys/types.h>
-#include "internal/cryptlib.h"
-
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
#ifndef OPENSSL_NO_POSIX_IO
# include <sys/stat.h>
#endif
-
-#include <openssl/lhash.h>
#include <openssl/x509.h>
#include "internal/x509_int.h"
#include "x509_lcl.h"
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 int get_cert_by_subject(X509_LOOKUP *xl, X509_LOOKUP_TYPE type,
+ X509_NAME *name, X509_OBJECT *ret);
static X509_LOOKUP_METHOD x509_dir_lookup = {
"Load certs from files in a directory",
- new_dir, /* new */
+ new_dir, /* new_item */
free_dir, /* free */
NULL, /* init */
NULL, /* shutdown */
X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
{
- return (&x509_dir_lookup);
+ 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;
- char *dir = NULL;
-
- ld = (BY_DIR *)ctx->method_data;
+ BY_DIR *ld = (BY_DIR *)ctx->method_data;
switch (cmd) {
case X509_L_ADD_DIR:
if (argl == X509_FILETYPE_DEFAULT) {
- dir = (char *)getenv(X509_get_default_cert_dir_env());
+ const char *dir = getenv(X509_get_default_cert_dir_env());
+
if (dir)
ret = add_cert_dir(ld, dir, X509_FILETYPE_PEM);
else
ret = add_cert_dir(ld, argp, (int)argl);
break;
}
- return (ret);
+ return ret;
}
static int new_dir(X509_LOOKUP *lu)
{
- BY_DIR *a;
+ BY_DIR *a = OPENSSL_malloc(sizeof(*a));
- if ((a = OPENSSL_malloc(sizeof(*a))) == NULL)
+ if (a == NULL) {
+ X509err(X509_F_NEW_DIR, ERR_R_MALLOC_FAILURE);
return 0;
+ }
+
if ((a->buffer = BUF_MEM_new()) == NULL) {
- OPENSSL_free(a);
- return 0;
+ X509err(X509_F_NEW_DIR, ERR_R_MALLOC_FAILURE);
+ goto err;
}
a->dirs = NULL;
a->lock = CRYPTO_THREAD_lock_new();
if (a->lock == NULL) {
BUF_MEM_free(a->buffer);
- OPENSSL_free(a);
- return 0;
+ X509err(X509_F_NEW_DIR, ERR_R_MALLOC_FAILURE);
+ goto err;
}
lu->method_data = (char *)a;
return 1;
+
+ err:
+ OPENSSL_free(a);
+ return 0;
}
static void by_dir_hash_free(BY_DIR_HASH *hash)
static void free_dir(X509_LOOKUP *lu)
{
- BY_DIR *a;
+ BY_DIR *a = (BY_DIR *)lu->method_data;
- a = (BY_DIR *)lu->method_data;
sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
BUF_MEM_free(a->buffer);
CRYPTO_THREAD_lock_free(a->lock);
static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
{
- const char *s, *p;
+ int j;
+ size_t len;
+ const char *s, *ss, *p;
if (dir == NULL || !*dir) {
X509err(X509_F_ADD_CERT_DIR, X509_R_INVALID_DIRECTORY);
do {
if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0')) {
BY_DIR_ENTRY *ent;
- int j;
- size_t len;
- const char *ss = s;
+
+ 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) == len &&
- strncmp(ent->dir, ss, len) == 0)
+ if (strlen(ent->dir) == len && strncmp(ent->dir, ss, len) == 0)
break;
}
if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
}
}
ent = OPENSSL_malloc(sizeof(*ent));
- if (ent == NULL)
+ if (ent == NULL) {
+ X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
return 0;
+ }
ent->dir_type = type;
ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
ent->dir = OPENSSL_strndup(ss, len);
}
if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent)) {
by_dir_entry_free(ent);
+ X509err(X509_F_ADD_CERT_DIR, ERR_R_MALLOC_FAILURE);
return 0;
}
}
const char *postfix = "";
if (name == NULL)
- return (0);
+ return 0;
stmp.type = type;
if (type == X509_LU_X509) {
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)) {
if (idx >= 0)
hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
}
- if (!hent) {
+ if (hent == NULL) {
hent = OPENSSL_malloc(sizeof(*hent));
if (hent == NULL) {
CRYPTO_THREAD_unlock(ctx->lock);
if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
CRYPTO_THREAD_unlock(ctx->lock);
OPENSSL_free(hent);
+ X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
ok = 0;
goto finish;
}
ok = 1;
ret->type = tmp->type;
memcpy(&ret->data, &tmp->data, sizeof(ret->data));
+
+ /*
+ * Clear any errors that might have been raised processing empty
+ * or malformed files.
+ */
+ ERR_clear_error();
+
/*
* If we were going to up the reference count, we would need to
* do it on a perl 'type' basis
}
finish:
BUF_MEM_free(b);
- return (ok);
+ return ok;
}