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authorSteve French <sfrench@us.ibm.com>2008-01-09 16:21:36 +0000
committerSteve French <sfrench@us.ibm.com>2008-01-09 16:21:36 +0000
commit6103335de8afa5d780dcd512abe85c696af7b040 (patch)
tree92940053ea0bef4b5c821ed84aa265c496724391 /fs/Kconfig
parentf6d09982197c4163c70f6af0cf15bb78674105c0 (diff)
downloadlinux-6103335de8afa5d780dcd512abe85c696af7b040.tar.bz2
[CIFS] DNS name resolution helper upcall for cifs
Adds additional option CIFS_DFS_UPCALL to fs/Kconfig for enabling DFS support. Resolved IP address is saved as a string in the key payload. Igor has a series of related patches that will follow which finish up CIFS DFS support Acked-by: Igor Mammedov <niallain@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/Kconfig')
-rw-r--r--fs/Kconfig39
1 files changed, 26 insertions, 13 deletions
diff --git a/fs/Kconfig b/fs/Kconfig
index 487236c65837..18cd22149466 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1905,13 +1905,15 @@ config CIFS
file servers such as Windows 2000 (including Windows 2003, NT 4
and Windows XP) as well by Samba (which provides excellent CIFS
server support for Linux and many other operating systems). Limited
- support for OS/2 and Windows ME and similar servers is provided as well.
-
- The intent of the cifs module is to provide an advanced
- network file system client for mounting to CIFS compliant servers,
- including support for dfs (hierarchical name space), secure per-user
- session establishment, safe distributed caching (oplock), optional
- packet signing, Unicode and other internationalization improvements.
+ support for OS/2 and Windows ME and similar servers is provided as
+ well.
+
+ The cifs module provides an advanced network file system
+ client for mounting to CIFS compliant servers. It includes
+ support for DFS (hierarchical name space), secure per-user
+ session establishment via Kerberos or NTLM or NTLMv2,
+ safe distributed caching (oplock), optional packet
+ signing, Unicode and other internationalization improvements.
If you need to mount to Samba or Windows from this machine, say Y.
config CIFS_STATS
@@ -1943,7 +1945,8 @@ config CIFS_WEAK_PW_HASH
(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.
+ SMB protocol but LANMAN based authentication is needed to
+ establish sessions with some 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
@@ -1951,8 +1954,8 @@ config CIFS_WEAK_PW_HASH
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
+ is enabled in the kernel build, LANMAN authentication 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
@@ -2018,12 +2021,22 @@ config CIFS_UPCALL
depends on CIFS_EXPERIMENTAL
depends on KEYS
help
- Enables an upcall mechanism for CIFS which will be used to contact
- userspace helper utilities to provide SPNEGO packaged Kerberos
- tickets which are needed to mount to certain secure servers
+ Enables an upcall mechanism for CIFS which accesses
+ userspace helper utilities to provide SPNEGO packaged (RFC 4178)
+ Kerberos tickets which are needed to mount to certain secure servers
(for which more secure Kerberos authentication is required). If
unsure, say N.
+config CIFS_DFS_UPCALL
+ bool "DFS feature support (EXPERIMENTAL)"
+ depends on CIFS_EXPERIMENTAL
+ depends on KEYS
+ help
+ Enables an upcall mechanism for CIFS which contacts userspace
+ helper utilities to provide server name resolution (host names to
+ IP addresses) which is needed for implicit mounts of DFS junction
+ points. If unsure, say N.
+
config NCP_FS
tristate "NCP file system support (to mount NetWare volumes)"
depends on IPX!=n || INET