diff -Nur squid-2.5.STABLE3.orig/configure.in squid-2.5.STABLE3/configure.in
--- squid-2.5.STABLE3.orig/configure.in	Mon Sep  8 17:05:29 2003
+++ squid-2.5.STABLE3/configure.in	Mon Sep  8 17:40:31 2003
@@ -1100,6 +1100,20 @@
   fi
 ])
 
+dnl Enable Apache-like combined log format including referer information
+AC_ARG_ENABLE(apache_like_combined_log,
+[  --enable-apache-like-combined-log
+                          Enable support for logging in the
+			  Apache-like style combined log format.
+                          This is an experimental feature, which comes
+			  from Dan Reif.],
+[ if test "$enableval" = "yes" ; then
+    echo "Enabling support for Apache-like combined log format"
+    AC_DEFINE(APACHE_LIKE_COMBINED_LOG, 1)
+  fi
+])
+
+
 # Force some compilers to use ANSI features
 #
 case "$host" in
diff -Nur squid-2.5.STABLE3.orig/src/access_log.c squid-2.5.STABLE3/src/access_log.c
--- squid-2.5.STABLE3.orig/src/access_log.c	Mon Sep  8 17:05:28 2003
+++ squid-2.5.STABLE3/src/access_log.c	Mon Sep  8 17:30:10 2003
@@ -268,12 +268,33 @@
 {
     const char *client = NULL;
     char *user1 = NULL, *user2 = NULL;
+    request_t * request = al->request;
+    const HttpHeader *req_hdr = &request->header;
+
     if (Config.onoff.log_fqdn)
 	client = fqdncache_gethostbyaddr(al->cache.caddr, 0);
     if (client == NULL)
 	client = inet_ntoa(al->cache.caddr);
     user1 = accessLogFormatName(al->cache.authuser);
     user2 = accessLogFormatName(al->cache.rfc931);
+#ifdef REIF_LOGS
+    logfilePrintf(logfile, "%s %s %s [%s] \"%s %s HTTP/%d.%d\" %d %ld \"%s\" \"%s\"",
+       client,
+       user2 ? user2 : dash_str,
+       user1 ? user1 : dash_str,
+       mkhttpdlogtime(&squid_curtime),
+       al->private.method_str,
+       al->url,
+       al->http.version.major, al->http.version.minor,
+       al->http.code,
+       (long int) al->cache.size,
+       httpHeaderHas( req_hdr, HDR_REFERER ) ?
+         httpHeaderGetStr( req_hdr, HDR_REFERER ) :
+         dash_str,     // Referer if we have it, else dash_str.
+       httpHeaderHas( req_hdr, HDR_USER_AGENT ) ?
+         httpHeaderGetStr( req_hdr, HDR_USER_AGENT ) :
+         dash_str );   // User-Agent if we have it, else dash_str.
+#else
     logfilePrintf(logfile, "%s %s %s [%s] \"%s %s HTTP/%d.%d\" %d %ld %s:%s",
 	client,
 	user2 ? user2 : dash_str,
@@ -286,6 +307,7 @@
 	(long int) al->cache.size,
 	log_tags[al->cache.code],
 	hier_strings[al->hier.code]);
+#endif
     safe_free(user1);
     safe_free(user2);
 }
diff -Nur squid-2.5.STABLE3.orig/src/client_side.c squid-2.5.STABLE3/src/client_side.c
--- squid-2.5.STABLE3.orig/src/client_side.c	Mon Sep  8 17:05:29 2003
+++ squid-2.5.STABLE3/src/client_side.c	Mon Sep  8 17:31:31 2003
@@ -815,6 +815,9 @@
 	    http->al.http.version = request->http_ver;
 	    http->al.headers.request = xstrdup(mb.buf);
 	    http->al.hier = request->hier;
+#ifdef REIF_LOGS
+	    http->al.request = request;
+#endif
 	    if (request->auth_user_request) {
 		if (authenticateUserRequestUsername(request->auth_user_request))
 		    http->al.cache.authuser = xstrdup(authenticateUserRequestUsername(request->auth_user_request));
diff -Nur squid-2.5.STABLE3.orig/src/defines.h squid-2.5.STABLE3/src/defines.h
--- squid-2.5.STABLE3.orig/src/defines.h	Mon Sep  8 17:05:29 2003
+++ squid-2.5.STABLE3/src/defines.h	Mon Sep  8 17:42:01 2003
@@ -309,4 +309,8 @@
 #define FILE_MODE(x) ((x)&(O_RDONLY|O_WRONLY|O_RDWR))
 #endif
 
+#ifdef APACHE_LIKE_COMBINED_LOG
+#define REIF_LOGS
+#endif
+
 #endif /* SQUID_DEFINES_H */
diff -Nur squid-2.5.STABLE3.orig/src/structs.h squid-2.5.STABLE3/src/structs.h
--- squid-2.5.STABLE3.orig/src/structs.h	Mon Sep  8 17:05:28 2003
+++ squid-2.5.STABLE3/src/structs.h	Mon Sep  8 17:32:30 2003
@@ -1043,6 +1043,9 @@
     struct {
 	const char *method_str;
     } private;
+#ifdef REIF_LOGS
+    request_t * request;
+#endif
     HierarchyLogEntry hier;
 };