intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 218 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/conf/conf_api.c b/contrib/libs/openssl/crypto/conf/conf_api.c
new file mode 100644
index 0000000000..5e57d749ce
--- /dev/null
+++ b/contrib/libs/openssl/crypto/conf/conf_api.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
+ */
+
+/* Part of the code in here was originally in conf.c, which is now removed */
+
+#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(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(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(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 = 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) {
+        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;
+
+    /* 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, 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;
+}