From f73dc64cd6dba290a7e062520a421de2b02f82a4 Mon Sep 17 00:00:00 2001
From: Edward Rudd <urkle@outoforder.cc>
Date: Fri, 14 May 2004 03:50:47 +0000
Subject: change apache 2 method to use optional function

---
diff --git a/mod_log_sql_ssl.c b/mod_log_sql_ssl.c
index 8b792db..d94a79f 100644
--- a/mod_log_sql_ssl.c
+++ b/mod_log_sql_ssl.c
@@ -26,9 +26,11 @@
 #include "mod_ssl.h"
 
 #if defined(WITH_APACHE20)
-#	define TEST_SSL(r) myConnConfig(r->connection)
+static APR_OPTIONAL_FN_TYPE(ssl_var_lookup) *header_ssl_lookup = NULL;
+#	define TEST_SSL(r) header_ssl_lookup
 #elif defined(WITH_APACHE13)
 #	define TEST_SSL(r) ap_ctx_get(r->connection->client->ctx, "ssl")
+#   define header_ssl_lookup ssl_var_lookup
 #endif
 
 static const char *extract_ssl_keysize(request_rec *r, char *a)
@@ -36,11 +38,12 @@ static const char *extract_ssl_keysize(request_rec *r, char *a)
 	char *result = NULL;
 	if (TEST_SSL(r) != NULL)
 	{
-	    result = ssl_var_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER_USEKEYSIZE");
+	    result = header_ssl_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER_USEKEYSIZE");
    	    log_error(APLOG_MARK,APLOG_DEBUG,0, r->server,"SSL_KEYSIZE: %s", result);
-		if (result != NULL && result[0] == '\0')
-	      result = NULL;
-		return result;
+		if (result && result[0])
+		    return result;
+        else
+            return "0";
 	} else {
 		return "0";
 	}
@@ -51,12 +54,13 @@ static const char *extract_ssl_maxkeysize(request_rec *r, char *a)
 	char *result = NULL;
 	if (TEST_SSL(r) != NULL) 
 	{
-		result = ssl_var_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER_ALGKEYSIZE");
+		result = header_ssl_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER_ALGKEYSIZE");
    	    log_error(APLOG_MARK,APLOG_DEBUG,0, r->server,"SSL_ALGKEYSIZE: %s", result);
-		if (result != NULL && result[0] == '\0')
-	      result = NULL;
-		return result;
-	} else {
+		if (result && result[0])
+		    return result;
+        else
+            return "0";
+    } else {
 		return "0";
 	}
 }
@@ -66,11 +70,12 @@ static const char *extract_ssl_cipher(request_rec *r, char *a)
 	char *result = NULL;
 	if (TEST_SSL(r) != NULL)
 	{
-	    result = ssl_var_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER");
+	    result = header_ssl_lookup(r->pool, r->server, r->connection, r, "SSL_CIPHER");
    	    log_error(APLOG_MARK,APLOG_DEBUG,0, r->server,"SSL_CIPHER: %s", result);
-		if (result != NULL && result[0] == '\0')
-	      result = NULL;
-		return result;
+		if (result && result[0])
+		    return result;
+        else
+            return "0";
 	} else {
 		return "-";
 	}
@@ -82,5 +87,8 @@ LOGSQL_REGISTER(ssl)
 	log_sql_register_item(s,p,'q', extract_ssl_keysize,       "ssl_keysize",      0, 1);
 	log_sql_register_item(s,p,'Q', extract_ssl_maxkeysize,    "ssl_maxkeysize",   0, 1);
 	log_sql_register_item(s,p,'z', extract_ssl_cipher,        "ssl_cipher",       0, 1);
+#if defined(WITH_APACHE20)
+    header_ssl_lookup = APR_RETRIEVE_OPTIONAL_FN(ssl_var_lookup);
+#endif
 	LOGSQL_REGISTER_RETURN;
 }
--
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