-/* conf_api.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2018 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 Apache License 2.0 (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
*/
/* Part of the code in here was originally in conf.c, which is now removed */
-#ifndef CONF_DEBUG
-# undef NDEBUG /* avoid conflicting definitions */
-# define NDEBUG
-#endif
-
-#include <assert.h>
+#include "e_os.h"
+#include "internal/cryptlib.h"
+#include <stdlib.h>
#include <string.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
-static void value_free_hash(CONF_VALUE *a, LHASH *conf);
-static void value_free_stack(CONF_VALUE *a,LHASH *conf);
-/* We don't use function pointer casting or wrapper functions - but cast each
- * callback parameter inside the callback functions. */
-/* static unsigned long hash(CONF_VALUE *v); */
-static unsigned long hash(const void *v_void);
-/* static int cmp_conf(CONF_VALUE *a,CONF_VALUE *b); */
-static int cmp_conf(const void *a_void,const void *b_void);
+static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf);
+static void value_free_stack_doall(CONF_VALUE *a);
/* Up until OpenSSL 0.9.5a, this was get_section */
-CONF_VALUE *_CONF_get_section(CONF *conf, char *section)
- {
- CONF_VALUE *v,vv;
-
- if ((conf == NULL) || (section == NULL)) return(NULL);
- vv.name=NULL;
- vv.section=section;
- v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
- return(v);
- }
+CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
+{
+ CONF_VALUE *v, vv;
+
+ if ((conf == NULL) || (section == NULL))
+ return NULL;
+ vv.name = NULL;
+ vv.section = (char *)section;
+ v = lh_CONF_VALUE_retrieve(conf->data, &vv);
+ return v;
+}
/* Up until OpenSSL 0.9.5a, this was CONF_get_section */
-STACK_OF(CONF_VALUE) *_CONF_get_section_values(CONF *conf, char *section)
- {
- CONF_VALUE *v;
-
- v=_CONF_get_section(conf,section);
- if (v != NULL)
- return((STACK_OF(CONF_VALUE) *)v->value);
- else
- return(NULL);
- }
+STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
+ const char *section)
+{
+ CONF_VALUE *v;
+
+ v = _CONF_get_section(conf, section);
+ if (v != NULL)
+ return ((STACK_OF(CONF_VALUE) *)v->value);
+ else
+ return NULL;
+}
int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
- {
- CONF_VALUE *v = NULL;
- STACK_OF(CONF_VALUE) *ts;
-
- ts = (STACK_OF(CONF_VALUE) *)section->value;
-
- value->section=section->section;
- if (!sk_CONF_VALUE_push(ts,value))
- {
- return 0;
- }
-
- v = (CONF_VALUE *)lh_insert(conf->data, value);
- if (v != NULL)
- {
- sk_CONF_VALUE_delete_ptr(ts,v);
- OPENSSL_free(v->name);
- OPENSSL_free(v->value);
- OPENSSL_free(v);
- }
- return 1;
- }
-
-char *_CONF_get_string(CONF *conf, char *section, char *name)
- {
- CONF_VALUE *v,vv;
- char *p;
-
- if (name == NULL) return(NULL);
- if (conf != NULL)
- {
- if (section != NULL)
- {
- vv.name=name;
- vv.section=section;
- v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
- if (v != NULL) return(v->value);
- if (strcmp(section,"ENV") == 0)
- {
- p=Getenv(name);
- if (p != NULL) return(p);
- }
- }
- vv.section="default";
- vv.name=name;
- v=(CONF_VALUE *)lh_retrieve(conf->data,&vv);
- if (v != NULL)
- return(v->value);
- else
- return(NULL);
- }
- else
- return(Getenv(name));
- }
-
-#if 0 /* There's no way to provide error checking with this function, so
- force implementors of the higher levels to get a string and read
- the number themselves. */
-long _CONF_get_number(CONF *conf, char *section, char *name)
- {
- char *str;
- long ret=0;
-
- str=_CONF_get_string(conf,section,name);
- if (str == NULL) return(0);
- for (;;)
- {
- if (conf->meth->is_number(conf, *str))
- ret=ret*10+conf->meth->to_int(conf, *str);
- else
- return(ret);
- str++;
- }
- }
-#endif
+{
+ CONF_VALUE *v = NULL;
+ STACK_OF(CONF_VALUE) *ts;
+
+ ts = (STACK_OF(CONF_VALUE) *)section->value;
+
+ value->section = section->section;
+ if (!sk_CONF_VALUE_push(ts, value)) {
+ return 0;
+ }
+
+ v = lh_CONF_VALUE_insert(conf->data, value);
+ if (v != NULL) {
+ (void)sk_CONF_VALUE_delete_ptr(ts, v);
+ OPENSSL_free(v->name);
+ OPENSSL_free(v->value);
+ OPENSSL_free(v);
+ }
+ return 1;
+}
+
+char *_CONF_get_string(const CONF *conf, const char *section,
+ const char *name)
+{
+ CONF_VALUE *v, vv;
+ char *p;
+
+ if (name == NULL)
+ return NULL;
+ if (conf != NULL) {
+ if (section != NULL) {
+ vv.name = (char *)name;
+ vv.section = (char *)section;
+ v = lh_CONF_VALUE_retrieve(conf->data, &vv);
+ if (v != NULL)
+ return v->value;
+ if (strcmp(section, "ENV") == 0) {
+ p = ossl_safe_getenv(name);
+ if (p != NULL)
+ return p;
+ }
+ }
+ vv.section = "default";
+ vv.name = (char *)name;
+ v = lh_CONF_VALUE_retrieve(conf->data, &vv);
+ if (v != NULL)
+ return v->value;
+ else
+ return NULL;
+ } else
+ return ossl_safe_getenv(name);
+}
+
+static unsigned long conf_value_hash(const CONF_VALUE *v)
+{
+ return (OPENSSL_LH_strhash(v->section) << 2) ^ OPENSSL_LH_strhash(v->name);
+}
+
+static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
+{
+ int i;
+
+ if (a->section != b->section) {
+ i = strcmp(a->section, b->section);
+ if (i)
+ return i;
+ }
+
+ if ((a->name != NULL) && (b->name != NULL)) {
+ i = strcmp(a->name, b->name);
+ return i;
+ } else if (a->name == b->name)
+ return 0;
+ else
+ return ((a->name == NULL) ? -1 : 1);
+}
int _CONF_new_data(CONF *conf)
- {
- if (conf == NULL)
- {
- return 0;
- }
- if (conf->data == NULL)
- if ((conf->data = lh_new(hash, cmp_conf)) == NULL)
- {
- return 0;
- }
- return 1;
- }
+{
+ if (conf == NULL) {
+ return 0;
+ }
+ if (conf->data == NULL) {
+ conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp);
+ if (conf->data == NULL)
+ return 0;
+ }
+ return 1;
+}
+
+typedef LHASH_OF(CONF_VALUE) LH_CONF_VALUE;
+
+IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, LH_CONF_VALUE);
void _CONF_free_data(CONF *conf)
- {
- if (conf == NULL || conf->data == NULL) return;
-
- conf->data->down_load=0; /* evil thing to make sure the 'OPENSSL_free()'
- * works as expected */
- lh_doall_arg(conf->data, (LHASH_DOALL_ARG_FN_TYPE)value_free_hash,
- conf->data);
-
- /* We now have only 'section' entries in the hash table.
- * Due to problems with */
-
- lh_doall_arg(conf->data, (LHASH_DOALL_ARG_FN_TYPE)value_free_stack,
- conf->data);
- lh_free(conf->data);
- }
-
-static void value_free_hash(CONF_VALUE *a, LHASH *conf)
- {
- if (a->name != NULL)
- {
- a=(CONF_VALUE *)lh_delete(conf,a);
- }
- }
-
-static void value_free_stack(CONF_VALUE *a, LHASH *conf)
- {
- CONF_VALUE *vv;
- STACK *sk;
- int i;
-
- if (a->name != NULL) return;
-
- sk=(STACK *)a->value;
- for (i=sk_num(sk)-1; i>=0; i--)
- {
- vv=(CONF_VALUE *)sk_value(sk,i);
- OPENSSL_free(vv->value);
- OPENSSL_free(vv->name);
- OPENSSL_free(vv);
- }
- if (sk != NULL) sk_free(sk);
- OPENSSL_free(a->section);
- OPENSSL_free(a);
- }
-
-/* static unsigned long hash(CONF_VALUE *v) */
-static unsigned long hash(const void *v_void)
- {
- CONF_VALUE *v = (CONF_VALUE *)v_void;
- return((lh_strhash(v->section)<<2)^lh_strhash(v->name));
- }
-
-/* static int cmp_conf(CONF_VALUE *a, CONF_VALUE *b) */
-static int cmp_conf(const void *a_void,const void *b_void)
- {
- int i;
- CONF_VALUE *a = (CONF_VALUE *)a_void;
- CONF_VALUE *b = (CONF_VALUE *)b_void;
-
- if (a->section != b->section)
- {
- i=strcmp(a->section,b->section);
- if (i) return(i);
- }
-
- if ((a->name != NULL) && (b->name != NULL))
- {
- i=strcmp(a->name,b->name);
- return(i);
- }
- else if (a->name == b->name)
- return(0);
- else
- return((a->name == NULL)?-1:1);
- }
+{
+ if (conf == NULL || conf->data == NULL)
+ return;
+
+ /* evil thing to make sure the 'OPENSSL_free()' works as expected */
+ lh_CONF_VALUE_set_down_load(conf->data, 0);
+ lh_CONF_VALUE_doall_LH_CONF_VALUE(conf->data, value_free_hash, conf->data);
+
+ /*
+ * We now have only 'section' entries in the hash table. Due to problems
+ * with
+ */
+
+ lh_CONF_VALUE_doall(conf->data, value_free_stack_doall);
+ lh_CONF_VALUE_free(conf->data);
+}
+
+static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf)
+{
+ if (a->name != NULL)
+ (void)lh_CONF_VALUE_delete(conf, a);
+}
+
+static void value_free_stack_doall(CONF_VALUE *a)
+{
+ CONF_VALUE *vv;
+ STACK_OF(CONF_VALUE) *sk;
+ int i;
+
+ if (a->name != NULL)
+ return;
+
+ sk = (STACK_OF(CONF_VALUE) *)a->value;
+ for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) {
+ vv = sk_CONF_VALUE_value(sk, i);
+ OPENSSL_free(vv->value);
+ OPENSSL_free(vv->name);
+ OPENSSL_free(vv);
+ }
+ sk_CONF_VALUE_free(sk);
+ OPENSSL_free(a->section);
+ OPENSSL_free(a);
+}
/* Up until OpenSSL 0.9.5a, this was new_section */
-CONF_VALUE *_CONF_new_section(CONF *conf, char *section)
- {
- STACK *sk=NULL;
- int ok=0,i;
- CONF_VALUE *v=NULL,*vv;
-
- if ((sk=sk_new_null()) == NULL)
- goto err;
- if ((v=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL)
- goto err;
- i=strlen(section)+1;
- if ((v->section=(char *)OPENSSL_malloc(i)) == NULL)
- goto err;
-
- memcpy(v->section,section,i);
- v->name=NULL;
- v->value=(char *)sk;
-
- vv=(CONF_VALUE *)lh_insert(conf->data,v);
- assert(vv == NULL);
- ok=1;
-err:
- if (!ok)
- {
- if (sk != NULL) sk_free(sk);
- if (v != NULL) OPENSSL_free(v);
- v=NULL;
- }
- return(v);
- }
-
-IMPLEMENT_STACK_OF(CONF_VALUE)
+CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
+{
+ STACK_OF(CONF_VALUE) *sk = NULL;
+ int i;
+ CONF_VALUE *v = NULL, *vv;
+
+ if ((sk = sk_CONF_VALUE_new_null()) == NULL)
+ goto err;
+ if ((v = OPENSSL_malloc(sizeof(*v))) == NULL)
+ goto err;
+ i = strlen(section) + 1;
+ if ((v->section = OPENSSL_malloc(i)) == NULL)
+ goto err;
+
+ memcpy(v->section, section, i);
+ v->name = NULL;
+ v->value = (char *)sk;
+
+ vv = lh_CONF_VALUE_insert(conf->data, v);
+ if (vv != NULL || lh_CONF_VALUE_error(conf->data) > 0)
+ goto err;
+ return v;
+
+ err:
+ sk_CONF_VALUE_free(sk);
+ if (v != NULL)
+ OPENSSL_free(v->section);
+ OPENSSL_free(v);
+ return NULL;
+}