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[CIFS] Return better error when server requires signing but client forbids

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Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French 2007-10-18 02:58:40 +00:00
parent d628ddb62d
commit abb63d6c3d
2 changed files with 5 additions and 2 deletions
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3
fs/cifs/CHANGES
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@ -11,7 +11,8 @@ connect fails (e.g. due to signing negotiation failure) fix
leak that causes cifsd not to stop and rmmod to fail to cleanup
cifs_request_buffers pool. Fix problem with POSIX Open/Mkdir on
bigendian architectures. Fix possible memory corruption when
EAGAIN returned on kern_recvmsg.
EAGAIN returned on kern_recvmsg. Return better error if server
requires packet signing but client has disabled it.
Version 1.50
------------

4
fs/cifs/cifssmb.c
View file

@ -663,10 +663,12 @@ signing_check:
/* MUST_SIGN already includes the MAY_SIGN FLAG
so if this is zero it means that signing is disabled */
cFYI(1, ("Signing disabled"));
if (server->secMode & SECMODE_SIGN_REQUIRED)
if (server->secMode & SECMODE_SIGN_REQUIRED) {
cERROR(1, ("Server requires "
"packet signing to be enabled in "
"/proc/fs/cifs/SecurityFlags."));
rc = -EOPNOTSUPP;
}
server->secMode &=
~(SECMODE_SIGN_ENABLED | SECMODE_SIGN_REQUIRED);
} else if ((secFlags & CIFSSEC_MUST_SIGN) == CIFSSEC_MUST_SIGN) {