--- /dev/null
+/* conf_lib.c */
+/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/conf.h>
+#include <openssl/conf_api.h>
+#include <openssl/lhash.h>
+
+const char CONF_version[]="CONF" OPENSSL_VERSION_PTEXT;
+
+static CONF_METHOD *default_CONF_method=NULL;
+
+/* Init a 'CONF' structure from an old LHASH */
+
+void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
+ {
+ if (default_CONF_method == NULL)
+ default_CONF_method = NCONF_default();
+
+ default_CONF_method->init(conf);
+ conf->data = hash;
+ }
+
+/* The following section contains the "CONF classic" functions,
+ rewritten in terms of the new CONF interface. */
+
+int CONF_set_default_method(CONF_METHOD *meth)
+ {
+ default_CONF_method = meth;
+ return 1;
+ }
+
+LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
+ long *eline)
+ {
+ LHASH_OF(CONF_VALUE) *ltmp;
+ BIO *in=NULL;
+
+#ifdef OPENSSL_SYS_VMS
+ in=BIO_new_file(file, "r");
+#else
+ in=BIO_new_file(file, "rb");
+#endif
+ if (in == NULL)
+ {
+ CONFerr(CONF_F_CONF_LOAD,ERR_R_SYS_LIB);
+ return NULL;
+ }
+
+ ltmp = CONF_load_bio(conf, in, eline);
+ BIO_free(in);
+
+ return ltmp;
+ }
+
+#ifndef OPENSSL_NO_FP_API
+LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
+ long *eline)
+ {
+ BIO *btmp;
+ LHASH_OF(CONF_VALUE) *ltmp;
+ if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
+ CONFerr(CONF_F_CONF_LOAD_FP,ERR_R_BUF_LIB);
+ return NULL;
+ }
+ ltmp = CONF_load_bio(conf, btmp, eline);
+ BIO_free(btmp);
+ return ltmp;
+ }
+#endif
+
+LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
+ long *eline)
+ {
+ CONF ctmp;
+ int ret;
+
+ CONF_set_nconf(&ctmp, conf);
+
+ ret = NCONF_load_bio(&ctmp, bp, eline);
+ if (ret)
+ return ctmp.data;
+ return NULL;
+ }
+
+STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
+ const char *section)
+ {
+ if (conf == NULL)
+ {
+ return NULL;
+ }
+ else
+ {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ return NCONF_get_section(&ctmp, section);
+ }
+ }
+
+char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf,const char *group,
+ const char *name)
+ {
+ if (conf == NULL)
+ {
+ return NCONF_get_string(NULL, group, name);
+ }
+ else
+ {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ return NCONF_get_string(&ctmp, group, name);
+ }
+ }
+
+long CONF_get_number(LHASH_OF(CONF_VALUE) *conf,const char *group,
+ const char *name)
+ {
+ int status;
+ long result = 0;
+
+ if (conf == NULL)
+ {
+ status = NCONF_get_number_e(NULL, group, name, &result);
+ }
+ else
+ {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ status = NCONF_get_number_e(&ctmp, group, name, &result);
+ }
+
+ if (status == 0)
+ {
+ /* This function does not believe in errors... */
+ ERR_clear_error();
+ }
+ return result;
+ }
+
+void CONF_free(LHASH_OF(CONF_VALUE) *conf)
+ {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ NCONF_free_data(&ctmp);
+ }
+
+#ifndef OPENSSL_NO_FP_API
+int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
+ {
+ BIO *btmp;
+ int ret;
+
+ if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
+ CONFerr(CONF_F_CONF_DUMP_FP,ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = CONF_dump_bio(conf, btmp);
+ BIO_free(btmp);
+ return ret;
+ }
+#endif
+
+int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
+ {
+ CONF ctmp;
+ CONF_set_nconf(&ctmp, conf);
+ return NCONF_dump_bio(&ctmp, out);
+ }
+
+/* The following section contains the "New CONF" functions. They are
+ completely centralised around a new CONF structure that may contain
+ basically anything, but at least a method pointer and a table of data.
+ These functions are also written in terms of the bridge functions used
+ by the "CONF classic" functions, for consistency. */
+
+CONF *NCONF_new(CONF_METHOD *meth)
+ {
+ CONF *ret;
+
+ if (meth == NULL)
+ meth = NCONF_default();
+
+ ret = meth->create(meth);
+ if (ret == NULL)
+ {
+ CONFerr(CONF_F_NCONF_NEW,ERR_R_MALLOC_FAILURE);
+ return(NULL);
+ }
+
+ return ret;
+ }
+
+void NCONF_free(CONF *conf)
+ {
+ if (conf == NULL)
+ return;
+ conf->meth->destroy(conf);
+ }
+
+void NCONF_free_data(CONF *conf)
+ {
+ if (conf == NULL)
+ return;
+ conf->meth->destroy_data(conf);
+ }
+
+int NCONF_load(CONF *conf, const char *file, long *eline)
+ {
+ if (conf == NULL)
+ {
+ CONFerr(CONF_F_NCONF_LOAD,CONF_R_NO_CONF);
+ return 0;
+ }
+
+ return conf->meth->load(conf, file, eline);
+ }
+
+#ifndef OPENSSL_NO_FP_API
+int NCONF_load_fp(CONF *conf, FILE *fp,long *eline)
+ {
+ BIO *btmp;
+ int ret;
+ if(!(btmp = BIO_new_fp(fp, BIO_NOCLOSE)))
+ {
+ CONFerr(CONF_F_NCONF_LOAD_FP,ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = NCONF_load_bio(conf, btmp, eline);
+ BIO_free(btmp);
+ return ret;
+ }
+#endif
+
+int NCONF_load_bio(CONF *conf, BIO *bp,long *eline)
+ {
+ if (conf == NULL)
+ {
+ CONFerr(CONF_F_NCONF_LOAD_BIO,CONF_R_NO_CONF);
+ return 0;
+ }
+
+ return conf->meth->load_bio(conf, bp, eline);
+ }
+
+STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf,const char *section)
+ {
+ if (conf == NULL)
+ {
+ CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_CONF);
+ return NULL;
+ }
+
+ if (section == NULL)
+ {
+ CONFerr(CONF_F_NCONF_GET_SECTION,CONF_R_NO_SECTION);
+ return NULL;
+ }
+
+ return _CONF_get_section_values(conf, section);
+ }
+
+char *NCONF_get_string(const CONF *conf,const char *group,const char *name)
+ {
+ char *s = _CONF_get_string(conf, group, name);
+
+ /* Since we may get a value from an environment variable even
+ if conf is NULL, let's check the value first */
+ if (s) return s;
+
+ if (conf == NULL)
+ {
+ CONFerr(CONF_F_NCONF_GET_STRING,
+ CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
+ return NULL;
+ }
+ CONFerr(CONF_F_NCONF_GET_STRING,
+ CONF_R_NO_VALUE);
+ ERR_add_error_data(4,"group=",group," name=",name);
+ return NULL;
+ }
+
+int NCONF_get_number_e(const CONF *conf,const char *group,const char *name,
+ long *result)
+ {
+ char *str;
+
+ if (result == NULL)
+ {
+ CONFerr(CONF_F_NCONF_GET_NUMBER_E,ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ str = NCONF_get_string(conf,group,name);
+
+ if (str == NULL)
+ return 0;
+
+ for (*result = 0;conf->meth->is_number(conf, *str);)
+ {
+ *result = (*result)*10 + conf->meth->to_int(conf, *str);
+ str++;
+ }
+
+ return 1;
+ }
+
+#ifndef OPENSSL_NO_FP_API
+int NCONF_dump_fp(const CONF *conf, FILE *out)
+ {
+ BIO *btmp;
+ int ret;
+ if(!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
+ CONFerr(CONF_F_NCONF_DUMP_FP,ERR_R_BUF_LIB);
+ return 0;
+ }
+ ret = NCONF_dump_bio(conf, btmp);
+ BIO_free(btmp);
+ return ret;
+ }
+#endif
+
+int NCONF_dump_bio(const CONF *conf, BIO *out)
+ {
+ if (conf == NULL)
+ {
+ CONFerr(CONF_F_NCONF_DUMP_BIO,CONF_R_NO_CONF);
+ return 0;
+ }
+
+ return conf->meth->dump(conf, out);
+ }
+
+
+/* This function should be avoided */
+#if 0
+long NCONF_get_number(CONF *conf,char *group,char *name)
+ {
+ int status;
+ long ret=0;
+
+ status = NCONF_get_number_e(conf, group, name, &ret);
+ if (status == 0)
+ {
+ /* This function does not believe in errors... */
+ ERR_get_error();
+ }
+ return ret;
+ }
+#endif
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