--- /dev/null
+/* 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 <stdlib.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);
+ OPENSSL_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)
projects / cassiopeia.git / blobdiff