4 files changed, 58 insertions, 103 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index df5276e628bf..b968e5bd7df3 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -2451,16 +2451,20 @@ querySymLinkRetry:
 		if (rc || (pSMBr->ByteCount < 2))
 			rc = -EIO;
 		else {
+			bool is_unicode;
 			u16 count = le16_to_cpu(pSMBr->t2.DataCount);
 
 			data_start = ((char *) &pSMBr->hdr.Protocol) +
 					   le16_to_cpu(pSMBr->t2.DataOffset);
 
+			if (pSMBr->hdr.Flags2 & SMBFLG2_UNICODE)
+				is_unicode = true;
+			else
+				is_unicode = false;
+
 			/* BB FIXME investigate remapping reserved chars here */
 			*symlinkinfo = cifs_strndup_from_ucs(data_start, count,
-						    pSMBr->hdr.Flags2 &
-							SMBFLG2_UNICODE,
-						    nls_codepage);
+						    is_unicode, nls_codepage);
 			if (!symlinkinfo)
 				rc = -ENOMEM;
 		}
@@ -3930,7 +3934,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
 
 	cFYI(1, ("num_referrals: %d dfs flags: 0x%x ... \n",
 			*num_of_nodes,
-			le16_to_cpu(pSMBr->DFSFlags)));
+			le32_to_cpu(pSMBr->DFSFlags)));
 
 	*target_nodes = kzalloc(sizeof(struct dfs_info3_param) *
 			*num_of_nodes, GFP_KERNEL);
@@ -3946,7 +3950,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
 		int max_len;
 		struct dfs_info3_param *node = (*target_nodes)+i;
 
-		node->flags = le16_to_cpu(pSMBr->DFSFlags);
+		node->flags = le32_to_cpu(pSMBr->DFSFlags);
 		if (is_unicode) {
 			__le16 *tmp = kmalloc(strlen(searchName)*2 + 2,
 						GFP_KERNEL);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 5bce2778163b..9dcdb0c707ea 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2681,8 +2681,6 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
 	    /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN | */ NTLMSSP_NEGOTIATE_128;
 	if (sign_CIFS_PDUs)
 		negotiate_flags |= NTLMSSP_NEGOTIATE_SIGN;
-/*	if (ntlmv2_support)
-		negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;*/
 	/* setup pointers to domain name and workstation name */
 	bcc_ptr += SecurityBlobLength;
 
@@ -2780,9 +2778,10 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
 				memcpy(ses->server->cryptKey,
 				       SecurityBlob2->Challenge,
 				       CIFS_CRYPTO_KEY_SIZE);
-				if (SecurityBlob2->NegotiateFlags &
+/* NTLMV2 flag is not for NTLMv2 password hash */
+/*				if (SecurityBlob2->NegotiateFlags &
 					cpu_to_le32(NTLMSSP_NEGOTIATE_NTLMV2))
-					*pNTLMv2_flag = true;
+					*pNTLMv2_flag = true; */ /* BB wrong */
 
 				if ((SecurityBlob2->NegotiateFlags &
 					cpu_to_le32(NTLMSSP_NEGOTIATE_ALWAYS_SIGN))
@@ -3012,11 +3011,10 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
 	bcc_ptr += SecurityBlobLength;
 	negotiate_flags = NTLMSSP_NEGOTIATE_UNICODE | NTLMSSP_REQUEST_TARGET |
 			NTLMSSP_NEGOTIATE_NTLM | NTLMSSP_NEGOTIATE_TARGET_INFO |
-			0x80000000 | NTLMSSP_NEGOTIATE_128;
+			NTLMSSP_NEGOTIATE_56 | NTLMSSP_NEGOTIATE_128 |
+			NTLMSSP_NEGOTIATE_EXTENDED_SEC;
 	if (sign_CIFS_PDUs)
 		negotiate_flags |= /* NTLMSSP_NEGOTIATE_ALWAYS_SIGN |*/ NTLMSSP_NEGOTIATE_SIGN;
-	if (ntlmv2_flag)
-		negotiate_flags |= NTLMSSP_NEGOTIATE_NTLMV2;
 
 /* setup pointers to domain name and workstation name */
 
@@ -3438,12 +3436,19 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 
 	/* above now done in SendReceive */
 	if ((rc == 0) && (tcon != NULL)) {
+		bool is_unicode;
+
 		tcon->tidStatus = CifsGood;
 		tcon->need_reconnect = false;
 		tcon->tid = smb_buffer_response->Tid;
 		bcc_ptr = pByteArea(smb_buffer_response);
 		bytes_left = BCC(smb_buffer_response);
 		length = strnlen(bcc_ptr, bytes_left - 2);
+		if (smb_buffer->Flags2 & SMBFLG2_UNICODE)
+			is_unicode = true;
+		else
+			is_unicode = false;
+
 
 		/* skip service field (NB: this field is always ASCII) */
 		if (length == 3) {
@@ -3464,9 +3469,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
 
 		/* mostly informational -- no need to fail on error here */
 		tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr,
-						      bytes_left,
-						      smb_buffer->Flags2 &
-							 SMBFLG2_UNICODE,
+						      bytes_left, is_unicode,
 						      nls_codepage);
 
 		cFYI(1, ("nativeFileSystem=%s", tcon->nativeFileSystem));
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index eb2fbbe865d2..ea9d11e3dcbb 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -212,93 +212,6 @@ cifs_symlink(struct inode *inode, struct dentry *direntry, const char *symname)
 	return rc;
 }
 
-int
-cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
-{
-	struct inode *inode = direntry->d_inode;
-	int rc = -EACCES;
-	int xid;
-	int oplock = 0;
-	struct cifs_sb_info *cifs_sb;
-	struct cifsTconInfo *pTcon;
-	char *full_path = NULL;
-	char *tmpbuffer;
-	int len;
-	__u16 fid;
-
-	xid = GetXid();
-	cifs_sb = CIFS_SB(inode->i_sb);
-	pTcon = cifs_sb->tcon;
-
-/* BB would it be safe against deadlock to grab this sem
-      even though rename itself grabs the sem and calls lookup? */
-/*       mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/
-	full_path = build_path_from_dentry(direntry);
-/*       mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/
-
-	if (full_path == NULL) {
-		FreeXid(xid);
-		return -ENOMEM;
-	}
-
-	cFYI(1,
-	     ("Full path: %s inode = 0x%p pBuffer = 0x%p buflen = %d",
-	      full_path, inode, pBuffer, buflen));
-	if (buflen > PATH_MAX)
-		len = PATH_MAX;
-	else
-		len = buflen;
-	tmpbuffer = kmalloc(len, GFP_KERNEL);
-	if (tmpbuffer == NULL) {
-		kfree(full_path);
-		FreeXid(xid);
-		return -ENOMEM;
-	}
-
-/* BB add read reparse point symlink code and
-	Unix extensions symlink code here BB */
-
-	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
-		cERROR(1, ("SFU style symlinks not implemented yet"));
-		/* add open and read as in fs/cifs/inode.c */
-	} else {
-		rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, GENERIC_READ,
-				OPEN_REPARSE_POINT, &fid, &oplock, NULL,
-				cifs_sb->local_nls,
-				cifs_sb->mnt_cifs_flags &
-					CIFS_MOUNT_MAP_SPECIAL_CHR);
-		if (!rc) {
-			rc = CIFSSMBQueryReparseLinkInfo(xid, pTcon, full_path,
-				tmpbuffer,
-				len - 1,
-				fid,
-				cifs_sb->local_nls);
-			if (CIFSSMBClose(xid, pTcon, fid)) {
-				cFYI(1, ("Error closing junction point "
-					 "(open for ioctl)"));
-			}
-			/* If it is a DFS junction earlier we would have gotten
-			   PATH_NOT_COVERED returned from server so we do
-			   not need to request the DFS info here */
-		}
-	}
-	/* BB Anything else to do to handle recursive links? */
-	/* BB Should we be using page ops here? */
-
-	/* BB null terminate returned string in pBuffer? BB */
-	if (rc == 0) {
-		rc = vfs_readlink(direntry, pBuffer, len, tmpbuffer);
-		cFYI(1,
-		     ("vfs_readlink called from cifs_readlink returned %d",
-		      rc));
-	}
-
-	kfree(tmpbuffer);
-	kfree(full_path);
-	FreeXid(xid);
-	return rc;
-}
-
 void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie)
 {
 	char *p = nd_get_link(nd);
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index 5bc9ab7586bc..df003fe3710f 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -445,6 +445,38 @@ static void unix_fill_in_inode(struct inode *tmp_inode,
 	}
 }
 
+/* BB eventually need to add the following helper function to
+      resolve NT_STATUS_STOPPED_ON_SYMLINK return code when
+      we try to do FindFirst on (NTFS) directory symlinks */
+/*
+int get_symlink_reparse_path(char *full_path, struct cifs_sb_info *cifs_sb,
+			     int xid)
+{
+	__u16 fid;
+	int len;
+	int oplock = 0;
+	int rc;
+	struct cifsTconInfo *ptcon = cifs_sb->tcon;
+	char *tmpbuffer;
+
+	rc = CIFSSMBOpen(xid, ptcon, full_path, FILE_OPEN, GENERIC_READ,
+			OPEN_REPARSE_POINT, &fid, &oplock, NULL,
+			cifs_sb->local_nls,
+			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	if (!rc) {
+		tmpbuffer = kmalloc(maxpath);
+		rc = CIFSSMBQueryReparseLinkInfo(xid, ptcon, full_path,
+				tmpbuffer,
+				maxpath -1,
+				fid,
+				cifs_sb->local_nls);
+		if (CIFSSMBClose(xid, ptcon, fid)) {
+			cFYI(1, ("Error closing temporary reparsepoint open)"));
+		}
+	}
+}
+ */
+
 static int initiate_cifs_search(const int xid, struct file *file)
 {
 	int rc = 0;
@@ -500,7 +532,10 @@ ffirst_retry:
 			CIFS_MOUNT_MAP_SPECIAL_CHR, CIFS_DIR_SEP(cifs_sb));
 	if (rc == 0)
 		cifsFile->invalidHandle = false;
-	if ((rc == -EOPNOTSUPP) &&
+	/* BB add following call to handle readdir on new NTFS symlink errors 
+	else if STATUS_STOPPED_ON_SYMLINK
+		call get_symlink_reparse_path and retry with new path */
+	else if ((rc == -EOPNOTSUPP) &&
 		(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM)) {
 		cifs_sb->mnt_cifs_flags &= ~CIFS_MOUNT_SERVER_INUM;
 		goto ffirst_retry;