diff options
| -rw-r--r-- | fs/cifs/CHANGES | 6 | ||||
| -rw-r--r-- | fs/cifs/cifs_spnego.h | 2 | ||||
| -rw-r--r-- | fs/cifs/sess.c | 9 |
3 files changed, 15 insertions, 2 deletions
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index f5d0083e09fa..526041a52d35 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -4,7 +4,11 @@ Fix premature write failure on congested networks (we would give up on EAGAIN from the socket too quickly on large writes). Cifs_mkdir and cifs_create now respect the setgid bit on parent dir. Fix endian problems in acl (mode from/to cifs acl) on bigendian -architectures. +architectures. Fix problems with preserving timestamps on copying open +files (e.g. "cp -a") to Windows servers. For mkdir and create honor setgid bit +on parent directory when server supports Unix Extensions but not POSIX +create. Update cifs.upcall version to handle new Kerberos sec flags +(this requires update of cifs.upcall program from Samba). Version 1.53 ------------ diff --git a/fs/cifs/cifs_spnego.h b/fs/cifs/cifs_spnego.h index 05a34b17a1ab..e4041ec4d712 100644 --- a/fs/cifs/cifs_spnego.h +++ b/fs/cifs/cifs_spnego.h @@ -23,7 +23,7 @@ #ifndef _CIFS_SPNEGO_H #define _CIFS_SPNEGO_H -#define CIFS_SPNEGO_UPCALL_VERSION 1 +#define CIFS_SPNEGO_UPCALL_VERSION 2 /* * The version field should always be set to CIFS_SPNEGO_UPCALL_VERSION. diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 3188e4d9cddb..b537fad3bf50 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -516,6 +516,15 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time, } msg = spnego_key->payload.data; + /* check version field to make sure that cifs.upcall is + sending us a response in an expected form */ + if (msg->version != CIFS_SPNEGO_UPCALL_VERSION) { + cERROR(1, ("incorrect version of cifs.upcall (expected" + " %d but got %d)", + CIFS_SPNEGO_UPCALL_VERSION, msg->version)); + rc = -EKEYREJECTED; + goto ssetup_exit; + } /* bail out if key is too long */ if (msg->sesskey_len > sizeof(ses->server->mac_signing_key.data.krb5)) { |