[CIFS] Fix CIFS to recognize share mode security

Fix Samba bugzilla bug 3301

In share mode encrypted password must be sent on tree connection (in our
case only the NTLM password is sent, not the older LANMAN one).

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 14 insertions, 6 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index ca0f573e9791..7a4e936d726c 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -37,6 +37,7 @@
 #include "cifsproto.h"
 #include "cifs_unicode.h"
 #include "cifs_debug.h"
+#include "cifsacl.h"
 
 #ifdef CONFIG_CIFS_POSIX
 static struct {
@@ -372,8 +373,10 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
         rc = SendReceive(xid, ses, (struct smb_hdr *) pSMB,
                          (struct smb_hdr *) pSMBr, &bytes_returned, 0);
         if (rc == 0) {
-                server->secMode = pSMBr->SecurityMode;  
-                server->secType = NTLM; /* BB override default for 
+                server->secMode = pSMBr->SecurityMode;
+                if((server->secMode & SECMODE_USER) == 0)
+                        cFYI(1,("share mode security"));
+                server->secType = NTLM; /* BB override default for
                                            NTLMv2 or kerberos v5 */
                 /* one byte - no need to convert this or EncryptionKeyLen
                    from little endian */
@@ -383,7 +386,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                         min(le32_to_cpu(pSMBr->MaxBufferSize),
                         (__u32) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE);
                 server->maxRw = le32_to_cpu(pSMBr->MaxRawSize);
-                cFYI(0, ("Max buf = %d ", ses->server->maxBuf));
+                cFYI(0, ("Max buf = %d", ses->server->maxBuf));
                 GETU32(ses->server->sessid) = le32_to_cpu(pSMBr->SessionKey);
                 server->capabilities = le32_to_cpu(pSMBr->Capabilities);
                 server->timeZone = le16_to_cpu(pSMBr->ServerTimeZone);  
@@ -411,8 +414,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
                                                 (server->server_GUID,
                                                 pSMBr->u.extended_response.
                                                 GUID, 16) != 0) {
-                                                cFYI(1,
-                                                     ("UID of server does not match previous connection to same ip address"));
+                                                cFYI(1, ("server UID changed"));
                                                 memcpy(server->
                                                         server_GUID,
                                                         pSMBr->u.
@@ -2494,8 +2496,14 @@ GetExtAttrOut:
 
 #endif /* CONFIG_POSIX */
 
+
+/* security id for everyone */
+const struct cifs_sid sid_everyone = {1, 1, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0}};
+/* group users */
+const struct cifs_sid sid_user = {1, 2 , {0, 0, 0, 0, 0, 5}, {32, 545, 0, 0}};
+
 /* Convert CIFS ACL to POSIX form */
-static int parse_sec_desc(struct sec_desc * psec_desc, int acl_len)
+static int parse_sec_desc(struct cifs_sid * psec_desc, int acl_len)
 {
         return 0;
 }