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-rw-r--r--source3/libsmb/nterr.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/source3/libsmb/nterr.c b/source3/libsmb/nterr.c
index 166229ec6c..b01451ea0f 100644
--- a/source3/libsmb/nterr.c
+++ b/source3/libsmb/nterr.c
@@ -717,3 +717,31 @@ NTSTATUS nt_status_string_to_code(char *nt_status_str)
}
return NT_STATUS_UNSUCCESSFUL;
}
+
+
+/**
+ * Squash an NT_STATUS in line with security requirements.
+ * In an attempt to avoid giving the whole game away when users
+ * are authenticating, NT replaces both NT_STATUS_NO_SUCH_USER and
+ * NT_STATUS_WRONG_PASSWORD with NT_STATUS_LOGON_FAILURE in certain situations
+ * (session setups in particular).
+ *
+ * @param nt_status NTSTATUS input for squashing.
+ * @return the 'squashed' nt_status
+ **/
+
+NTSTATUS nt_status_squash(NTSTATUS nt_status)
+{
+ if NT_STATUS_IS_OK(nt_status) {
+ return nt_status;
+ } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_SUCH_USER) {
+ /* Match WinXP and don't give the game away */
+ return NT_STATUS_LOGON_FAILURE;
+
+ } else if NT_STATUS_EQUAL(nt_status, NT_STATUS_WRONG_PASSWORD) {
+ /* Match WinXP and don't give the game away */
+ return NT_STATUS_LOGON_FAILURE;
+ } else {
+ return nt_status;
+ }
+}