[CIFS] Allow raw ntlmssp code to be enabled with sec=ntlmssp

On mount, "sec=ntlmssp" can now be specified to allow
"rawntlmssp" security to be enabled during
CIFS session establishment/authentication (ntlmssp used to
require specifying krb5 which was counterintuitive).

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 3a934dd84225..4aa81a507b74 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -979,6 +979,13 @@ cifs_parse_mount_options(char *options, const char *devname,
                                 return 1;
                         } else if (strnicmp(value, "krb5", 4) == 0) {
                                 vol->secFlg |= CIFSSEC_MAY_KRB5;
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+                        } else if (strnicmp(value, "ntlmsspi", 8) == 0) {
+                                vol->secFlg |= CIFSSEC_MAY_NTLMSSP |
+                                        CIFSSEC_MUST_SIGN;
+                        } else if (strnicmp(value, "ntlmssp", 7) == 0) {
+                                vol->secFlg |= CIFSSEC_MAY_NTLMSSP;
+#endif
                         } else if (strnicmp(value, "ntlmv2i", 7) == 0) {
                                 vol->secFlg |= CIFSSEC_MAY_NTLMV2 |
                                         CIFSSEC_MUST_SIGN;