From 86a0d0234d044aa7b773c0597b3adaf447143e53 Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Thu, 14 Feb 2002 23:39:36 +0000
Subject: [PATCH] Add argument to OPENSSL_config() and add flag to tolerate
 missing config file.

---
 CHANGES                 |  5 +++++
 crypto/conf/conf.h      |  3 ++-
 crypto/conf/conf_mall.c | 13 ++++++-------
 crypto/conf/conf_mod.c  |  8 ++++++++
 4 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/CHANGES b/CHANGES
index 03ed082e30..bfb5562920 100644
--- a/CHANGES
+++ b/CHANGES
@@ -13,6 +13,11 @@
          *) applies to 0.9.6a/0.9.6b/0.9.6c and 0.9.7
          +) applies to 0.9.7 only
 
+  +) Add an argument to OPENSSL_config() to allow the use of an alternative
+     config section name. Add a new flag to tolerate a missing config file
+     and move code to CONF_modules_load_file().
+     [Steve Henson]
+
   *) Add information about CygWin 1.3 and on, and preserve proper
      configuration for the versions before that.
      [Corinna Vinschen <vinschen@redhat.com> and Richard Levitte]
diff --git a/crypto/conf/conf.h b/crypto/conf/conf.h
index 2c6f573349..176d64b579 100644
--- a/crypto/conf/conf.h
+++ b/crypto/conf/conf.h
@@ -112,6 +112,7 @@ typedef void conf_finish_func(CONF_IMODULE *md);
 #define CONF_MFLAGS_IGNORE_RETURN_CODES	0x2
 #define CONF_MFLAGS_SILENT		0x4
 #define CONF_MFLAGS_NO_DSO		0x8
+#define CONF_MFLAGS_IGNORE_MISSING_FILE	0x10
 
 int CONF_set_default_method(CONF_METHOD *meth);
 void CONF_set_nconf(CONF *conf,LHASH *hash);
@@ -127,7 +128,7 @@ void CONF_free(LHASH *conf);
 int CONF_dump_fp(LHASH *conf, FILE *out);
 int CONF_dump_bio(LHASH *conf, BIO *out);
 
-void OPENSSL_config(void);
+void OPENSSL_config(char *config_name);
 
 /* New conf code.  The semantics are different from the functions above.
    If that wasn't the case, the above functions would have been replaced */
diff --git a/crypto/conf/conf_mall.c b/crypto/conf/conf_mall.c
index 01cff6946a..18dbf11614 100644
--- a/crypto/conf/conf_mall.c
+++ b/crypto/conf/conf_mall.c
@@ -81,7 +81,7 @@ void OPENSSL_load_builtin_modules(void)
 
 static int openssl_configured = 0;
 
-void OPENSSL_config(void)
+void OPENSSL_config(char *config_name)
 	{
 	int err_exit = 0;
 	char *file;
@@ -93,15 +93,13 @@ void OPENSSL_config(void)
 	file = CONF_get1_default_config_file();
 	if (!file)
 		return;
+	if (config_name == NULL)
+		config_name = "openssl_conf";
 
 	ERR_clear_error();
-	if (CONF_modules_load_file(file, "openssl_config", 0) <= 0)
-		{
-		if (ERR_GET_REASON(ERR_peek_last_error()) == CONF_R_NO_SUCH_FILE)
-			ERR_clear_error();
-		else
+	if (CONF_modules_load_file(file, config_name,
+			CONF_MFLAGS_IGNORE_MISSING_FILE) <= 0)
 			err_exit = 1;
-		}
 
 	OPENSSL_free(file);
 	if (err_exit)
@@ -113,6 +111,7 @@ void OPENSSL_config(void)
 			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 			BIO_printf(bio_err,"Auto configuration failed\n");
 			ERR_print_errors(bio_err);
+			BIO_free(bio_err);
 			}
 		exit(1);
 		}
diff --git a/crypto/conf/conf_mod.c b/crypto/conf/conf_mod.c
index 23e1f191da..426d69337f 100644
--- a/crypto/conf/conf_mod.c
+++ b/crypto/conf/conf_mod.c
@@ -170,7 +170,15 @@ int CONF_modules_load_file(const char *filename, const char *appname,
 		goto err;
 
 	if (NCONF_load(conf, filename, NULL) <= 0)
+		{
+		if ((flags & CONF_MFLAGS_IGNORE_MISSING_FILE) &&
+		  (ERR_GET_REASON(ERR_peek_last_error()) == CONF_R_NO_SUCH_FILE))
+			{
+			ERR_clear_error();
+			ret = 1;
+			}
 		goto err;
+		}
 
 	ret = CONF_modules_load(conf, appname, flags);
 
-- 
2.25.1