Fix get_conn_cfilter() such that not an invalid capture filter

is used on FreeBSD 7.0 systems. Now REMOTEHOST can be an
empty string. 

svn path=/trunk/; revision=24834

1 files changed, 4 insertions, 1 deletions

diff --git a/util.c b/util.c
index 098010cfc7..ddbc6a77c5 100644
--- a/util.c
+++ b/util.c
@@ -167,7 +167,10 @@ const gchar *get_conn_cfilter(void) {
 			"and tcp port %s)", tokens[1], host_ip_af(tokens[0]), tokens[0], tokens[2]);
 		return filter_str->str;
 	} else if ((env = getenv("REMOTEHOST")) != NULL) {
-		if (g_ascii_strcasecmp(env, "localhost") == 0 || strcmp(env, "127.0.0.1") == 0) {
+		/* FreeBSD 7.0 sets REMOTEHOST to an empty string */
+		if (g_ascii_strcasecmp(env, "localhost") == 0 ||
+		    strcmp(env, "127.0.0.1") == 0 ||
+		    strcmp(env, "") == 0) {
 			return "";
 		}
 		g_string_sprintf(filter_str, "not %s host %s", host_ip_af(env), env);