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authorSteve French <smfrench@gmail.com>2015-12-18 20:05:30 +0100
committerSteve French <sfrench@localhost.localdomain>2016-01-14 21:29:42 +0100
commit373512ec5c105ed09e3738196dcb257dfab65cba (patch)
tree3820a07566033fc32c9332d86c04317a40c1f6b7 /fs/cifs/smb2pdu.c
parentcifs: Allow using O_DIRECT with cache=loose (diff)
downloadlinux-373512ec5c105ed09e3738196dcb257dfab65cba.tar.xz
linux-373512ec5c105ed09e3738196dcb257dfab65cba.zip
Prepare for encryption support (first part). Add decryption and encryption key generation. Thanks to Metze for helping with this.
Reviewed-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Steve French <steve.french@primarydata.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
-rw-r--r--fs/cifs/smb2pdu.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 767555518d40..10f8d5cf5681 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -97,10 +97,7 @@ smb2_hdr_assemble(struct smb2_hdr *hdr, __le16 smb2_cmd /* command */ ,
hdr->smb2_buf_length = cpu_to_be32(parmsize + sizeof(struct smb2_hdr)
- 4 /* RFC 1001 length field itself not counted */);
- hdr->ProtocolId[0] = 0xFE;
- hdr->ProtocolId[1] = 'S';
- hdr->ProtocolId[2] = 'M';
- hdr->ProtocolId[3] = 'B';
+ hdr->ProtocolId = SMB2_PROTO_NUMBER;
hdr->StructureSize = cpu_to_le16(64);
hdr->Command = smb2_cmd;
hdr->CreditRequest = cpu_to_le16(2); /* BB make this dynamic */
@@ -1573,7 +1570,8 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
goto ioctl_exit;
}
- memcpy(*out_data, rsp->hdr.ProtocolId + le32_to_cpu(rsp->OutputOffset),
+ memcpy(*out_data,
+ (char *)&rsp->hdr.ProtocolId + le32_to_cpu(rsp->OutputOffset),
*plen);
ioctl_exit:
free_rsp_buf(resp_buftype, rsp);
@@ -2093,7 +2091,7 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
}
if (*buf) {
- memcpy(*buf, (char *)rsp->hdr.ProtocolId + rsp->DataOffset,
+ memcpy(*buf, (char *)&rsp->hdr.ProtocolId + rsp->DataOffset,
*nbytes);
free_rsp_buf(resp_buftype, iov[0].iov_base);
} else if (resp_buftype != CIFS_NO_BUFFER) {