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-rw-r--r--libglusterfs/src/common-utils.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index b44c1d0b370..ab3674eadec 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -1784,6 +1784,14 @@ valid_host_name (char *address, int length)
goto out;
}
+ /* Check for consecutive dots, which is invalid in a hostname and is
+ * ignored by strtok()
+ */
+ if (strstr (dup_addr, "..")) {
+ ret = 0;
+ goto out;
+ }
+
/* gen-name */
temp_str = strtok_r (dup_addr, ".", &save_ptr);
do {