cifs: use CIFS_MAX_DOMAINNAME_LEN when converting the domain name

Currently in build_ntlmssp_auth_blob(), when converting the domain
name to UTF16, CIFS_MAX_USERNAME_LEN limit is used. It should be
CIFS_MAX_DOMAINNAME_LEN. This patch fixes this.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Jerome Marchand 2016-05-26 11:52:24 +02:00 committed by Steve French
parent 3d22462ae9
commit 202d772ba0

View File

@ -430,7 +430,7 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
} else { } else {
int len; int len;
len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName, len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName,
CIFS_MAX_USERNAME_LEN, nls_cp); CIFS_MAX_DOMAINNAME_LEN, nls_cp);
len *= 2; /* unicode is 2 bytes each */ len *= 2; /* unicode is 2 bytes each */
sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer); sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
sec_blob->DomainName.Length = cpu_to_le16(len); sec_blob->DomainName.Length = cpu_to_le16(len);