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path: root/fs/cifs/cifssmb.c
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Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 38f83db2076..de405bfb67d 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -396,6 +396,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
int i;
struct TCP_Server_Info * server;
u16 count;
+ unsigned int secFlags;
if(ses->server)
server = ses->server;
@@ -407,9 +408,16 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
(void **) &pSMB, (void **) &pSMBr);
if (rc)
return rc;
+
+ /* if any of auth flags (ie not sign or seal) are overriden use them */
+ if(ses->overrideSecFlg & (~(CIFSSEC_MUST_SIGN | CIFSSEC_MUST_SEAL)))
+ secFlags = ses->overrideSecFlg;
+ else /* if override flags set only sign/seal OR them with global auth */
+ secFlags = extended_security | ses->overrideSecFlg;
+
pSMB->hdr.Mid = GetNextMid(server);
pSMB->hdr.Flags2 |= SMBFLG2_UNICODE;
- if((extended_security & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
+ if((secFlags & CIFSSEC_MUST_KRB5) == CIFSSEC_MUST_KRB5)
pSMB->hdr.Flags2 |= SMBFLG2_EXT_SEC;
count = 0;
@@ -439,8 +447,8 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
&& (pSMBr->DialectIndex == LANMAN_PROT)) {
struct lanman_neg_rsp * rsp = (struct lanman_neg_rsp *)pSMBr;
- if((extended_security & CIFSSEC_MAY_LANMAN) ||
- (extended_security & CIFSSEC_MAY_PLNTXT))
+ if((secFlags & CIFSSEC_MAY_LANMAN) ||
+ (secFlags & CIFSSEC_MAY_PLNTXT))
server->secType = LANMAN;
else {
cERROR(1, ("mount failed weak security disabled"
@@ -498,12 +506,12 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
if((server->secMode & SECMODE_PW_ENCRYPT) == 0)
#ifdef CONFIG_CIFS_WEAK_PW_HASH
- if ((extended_security & CIFSSEC_MAY_PLNTXT) == 0)
+ if ((secFlags & 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)
+ if(secFlags & CIFSSEC_MUST_NTLMV2)
server->secType = NTLMv2;
else
server->secType = NTLM;