1 files changed, 300 insertions, 0 deletions

diff --git a/src/lib/libcrypto/conf/conf_api.c b/src/lib/libcrypto/conf/conf_api.c
new file mode 100644
index 0000000000..22617e5fa1
--- /dev/null
+++ b/src/lib/libcrypto/conf/conf_api.c
@@ -0,0 +1,300 @@
+/* conf_api.c */
+/* 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.]
+ */
+
+/* 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 <string.h>
+#include <openssl/conf.h>
+#include <openssl/conf_api.h>
+#include "e_os.h"
+
+static void value_free_hash_doall_arg(CONF_VALUE *a,
+                                      LHASH_OF(CONF_VALUE) *conf);
+static void value_free_stack_doall(CONF_VALUE *a);
+static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE,
+                                    LHASH_OF(CONF_VALUE))
+static IMPLEMENT_LHASH_DOALL_FN(value_free_stack, CONF_VALUE)
+
+/* 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=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(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
+
+static unsigned long conf_value_hash(const CONF_VALUE *v)
+        {
+        return (lh_strhash(v->section)<<2)^lh_strhash(v->name);
+        }
+static IMPLEMENT_LHASH_HASH_FN(conf_value, CONF_VALUE)
+
+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);
+        }
+static IMPLEMENT_LHASH_COMP_FN(conf_value, CONF_VALUE)
+
+int _CONF_new_data(CONF *conf)
+        {
+        if (conf == NULL)
+                {
+                return 0;
+                }
+        if (conf->data == NULL)
+                if ((conf->data = lh_CONF_VALUE_new()) == NULL)
+                        {
+                        return 0;
+                        }
+        return 1;
+        }
+
+void _CONF_free_data(CONF *conf)
+        {
+        if (conf == NULL || conf->data == NULL) return;
+
+        lh_CONF_VALUE_down_load(conf->data)=0; /* evil thing to make
+                                  * sure the 'OPENSSL_free()' works as
+                                  * expected */
+        lh_CONF_VALUE_doall_arg(conf->data,
+                                LHASH_DOALL_ARG_FN(value_free_hash),
+                                LHASH_OF(CONF_VALUE), conf->data);
+
+        /* We now have only 'section' entries in the hash table.
+         * Due to problems with */
+
+        lh_CONF_VALUE_doall(conf->data, LHASH_DOALL_FN(value_free_stack));
+        lh_CONF_VALUE_free(conf->data);
+        }
+
+static void value_free_hash_doall_arg(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);
+                }
+        if (sk != NULL) 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 ok=0,i;
+        CONF_VALUE *v=NULL,*vv;
+
+        if ((sk=sk_CONF_VALUE_new_null()) == NULL)
+                goto err;
+        if ((v=OPENSSL_malloc(sizeof(CONF_VALUE))) == 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);
+        assert(vv == NULL);
+        ok=1;
+err:
+        if (!ok)
+                {
+                if (sk != NULL) sk_CONF_VALUE_free(sk);
+                if (v != NULL) OPENSSL_free(v);
+                v=NULL;
+                }
+        return(v);
+        }
+
+IMPLEMENT_STACK_OF(CONF_VALUE)