1 files changed, 44 insertions, 8 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index ee5effac1ad5..6dc8cfd6d80c 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1490,7 +1490,12 @@ config NFSD
         select LOCKD
         select SUNRPC
         select EXPORTFS
-        select NFS_ACL_SUPPORT if NFSD_V3_ACL || NFSD_V2_ACL
+        select NFSD_V2_ACL if NFSD_V3_ACL
+        select NFS_ACL_SUPPORT if NFSD_V2_ACL
+        select NFSD_TCP if NFSD_V4
+        select CRYPTO_MD5 if NFSD_V4
+        select CRYPTO if NFSD_V4
+        select FS_POSIX_ACL if NFSD_V4
         help
           If you want your Linux box to act as an NFS *server*, so that other
           computers on your local network which support NFS can access certain
@@ -1528,7 +1533,6 @@ config NFSD_V3
 config NFSD_V3_ACL
         bool "Provide server support for the NFSv3 ACL protocol extension"
         depends on NFSD_V3
-        select NFSD_V2_ACL
         help
           Implement the NFSv3 ACL protocol extension for manipulating POSIX
           Access Control Lists on exported file systems. NFS clients should
@@ -1538,10 +1542,6 @@ config NFSD_V3_ACL
 config NFSD_V4
         bool "Provide NFSv4 server support (EXPERIMENTAL)"
         depends on NFSD_V3 && EXPERIMENTAL
-        select NFSD_TCP
-        select CRYPTO_MD5
-        select CRYPTO
-        select FS_POSIX_ACL
         help
           If you would like to include the NFSv4 server as well as the NFSv2
           and NFSv3 servers, say Y here.  This feature is experimental, and
@@ -1722,7 +1722,7 @@ config CIFS_STATS
           mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
 
 config CIFS_STATS2
-        bool "CIFS extended statistics"
+        bool "Extended statistics"
         depends on CIFS_STATS
         help
           Enabling this option will allow more detailed statistics on SMB
@@ -1735,6 +1735,32 @@ config CIFS_STATS2
           Unless you are a developer or are doing network performance analysis
           or tuning, say N.
 
+config CIFS_WEAK_PW_HASH
+        bool "Support legacy servers which use weaker LANMAN security"
+        depends on CIFS
+        help
+          Modern CIFS servers including Samba and most Windows versions
+          (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
+          security mechanisms. These hash the password more securely
+          than the mechanisms used in the older LANMAN version of the
+          SMB protocol needed to establish sessions with old SMB servers.
+
+          Enabling this option allows the cifs module to mount to older
+          LANMAN based servers such as OS/2 and Windows 95, but such
+          mounts may be less secure than mounts using NTLM or more recent
+          security mechanisms if you are on a public network.  Unless you
+          have a need to access old SMB servers (and are on a private 
+          network) you probably want to say N.  Even if this support
+          is enabled in the kernel build, they will not be used
+          automatically. At runtime LANMAN mounts are disabled but
+          can be set to required (or optional) either in
+          /proc/fs/cifs (see fs/cifs/README for more detail) or via an
+          option on the mount command. This support is disabled by 
+          default in order to reduce the possibility of a downgrade
+          attack.
+ 
+          If unsure, say N.
+
 config CIFS_XATTR
         bool "CIFS extended attributes"
         depends on CIFS
@@ -1763,6 +1789,16 @@ config CIFS_POSIX
           (such as Samba 3.10 and later) which can negotiate
           CIFS POSIX ACL support.  If unsure, say N.
 
+config CIFS_DEBUG2
+        bool "Enable additional CIFS debugging routines"
+        help
+           Enabling this option adds a few more debugging routines
+           to the cifs code which slightly increases the size of
+           the cifs module and can cause additional logging of debug
+           messages in some error paths, slowing performance. This
+           option can be turned off unless you are debugging
+           cifs problems.  If unsure, say N.
+           
 config CIFS_EXPERIMENTAL
           bool "CIFS Experimental Features (EXPERIMENTAL)"
           depends on CIFS && EXPERIMENTAL
@@ -1778,7 +1814,7 @@ config CIFS_EXPERIMENTAL
             If unsure, say N.
 
 config CIFS_UPCALL
-          bool "CIFS Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
+          bool "Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
           depends on CIFS_EXPERIMENTAL
           select CONNECTOR
           help