SMB1 Session Setup NTLMSSP Request in non-UNICODE mode is similar to UNICODE mode, just strings are encoded in ASCII and not in UTF-16. With this change it is possible to setup SMB1 session with NTLM authentication in non-UNICODE mode with Windows SMB server. Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> --- fs/smb/client/sess.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c index 7226f2563b99..29a1756ba0f7 100644 --- a/fs/smb/client/sess.c +++ b/fs/smb/client/sess.c @@ -1704,22 +1704,22 @@ _sess_auth_rawntlmssp_assemble_req(struct sess_data *sess_data) pSMB = (SESSION_SETUP_ANDX *)sess_data->iov[0].iov_base; capabilities = cifs_ssetup_hdr(ses, server, pSMB); - if ((pSMB->req.hdr.Flags2 & SMBFLG2_UNICODE) == 0) { - cifs_dbg(VFS, "NTLMSSP requires Unicode support\n"); - return -ENOSYS; - } - pSMB->req.hdr.Flags2 |= SMBFLG2_EXT_SEC; capabilities |= CAP_EXTENDED_SECURITY; pSMB->req.Capabilities |= cpu_to_le32(capabilities); bcc_ptr = sess_data->iov[2].iov_base; - /* unicode strings must be word aligned */ - if (!IS_ALIGNED(sess_data->iov[0].iov_len + sess_data->iov[1].iov_len, 2)) { - *bcc_ptr = 0; - bcc_ptr++; + + if (pSMB->req.hdr.Flags2 & SMBFLG2_UNICODE) { + /* unicode strings must be word aligned */ + if (!IS_ALIGNED(sess_data->iov[0].iov_len + sess_data->iov[1].iov_len, 2)) { + *bcc_ptr = 0; + bcc_ptr++; + } + unicode_oslm_strings(&bcc_ptr, sess_data->nls_cp); + } else { + ascii_oslm_strings(&bcc_ptr, sess_data->nls_cp); } - unicode_oslm_strings(&bcc_ptr, sess_data->nls_cp); sess_data->iov[2].iov_len = (long) bcc_ptr - (long) sess_data->iov[2].iov_base; -- 2.20.1