[CIFS] Support for older servers which require plaintext passwords
disabled by default, but can be enabled via proc for servers which
require such support. Also includes support for setting security
flags for cifs. See fs/cifs/README
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index b8c236b..77cca380 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -492,6 +492,13 @@
server->secMode = pSMBr->SecurityMode;
if((server->secMode & SECMODE_USER) == 0)
cFYI(1,("share mode security"));
+
+ if((server->secMode & SECMODE_PW_ENCRYPT) == 0)
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+ if ((extended_security & CIFSSEC_MAY_PLNTXT) == 0)
+#endif /* CIFS_WEAK_PW_HASH */
+ cERROR(1,("Server requests plain text password"
+ " but client support disabled"));
if(extended_security & CIFSSEC_MUST_NTLMV2)
server->secType = NTLMv2;