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Diffstat (limited to '')
-rw-r--r-- | libcli/smb/tstream_smbXcli_np.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libcli/smb/tstream_smbXcli_np.h b/libcli/smb/tstream_smbXcli_np.h new file mode 100644 index 0000000..e8c5c39 --- /dev/null +++ b/libcli/smb/tstream_smbXcli_np.h @@ -0,0 +1,72 @@ +/* + Unix SMB/CIFS implementation. + + Copyright (C) Stefan Metzmacher 2010 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef _CLI_NP_TSTREAM_H_ +#define _CLI_NP_TSTREAM_H_ + +struct tevent_context; +struct tevent_req; +struct tstream_context; +struct smbXcli_conn; +struct smbXcli_session; +struct smbXcli_tcon; + +struct tevent_req *tstream_smbXcli_np_open_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + struct smbXcli_conn *conn, + struct smbXcli_session *session, + struct smbXcli_tcon *tcon, + uint16_t pid, + unsigned int timeout, + const char *npipe); +NTSTATUS _tstream_smbXcli_np_open_recv(struct tevent_req *req, + TALLOC_CTX *mem_ctx, + struct tstream_context **_stream, + const char *location); +#define tstream_smbXcli_np_open_recv(req, mem_ctx, stream) \ + _tstream_smbXcli_np_open_recv(req, mem_ctx, stream, __location__) + +bool tstream_is_smbXcli_np(struct tstream_context *stream); + +NTSTATUS tstream_smbXcli_np_use_trans(struct tstream_context *stream); + +unsigned int tstream_smbXcli_np_set_timeout(struct tstream_context *stream, + unsigned int timeout); + +/* + * Windows uses 4280 (the max xmit/recv size negotiated on DCERPC). + * This is fits into the max_xmit negotiated at the SMB layer. + * + * On the sending side they may use SMBtranss if the request does not + * fit into a single SMBtrans call. + * + * Windows uses 1024 as max data size of a SMBtrans request and then + * possibly reads the rest of the DCERPC fragment (up to 3256 bytes) + * via a SMBreadX. + * + * For now we just ask for the full 4280 bytes (max data size) in the SMBtrans + * request to get the whole fragment at once (like samba 3.5.x and below did. + * + * It is important that we use do SMBwriteX with the size of a full fragment, + * otherwise we may get NT_STATUS_PIPE_BUSY on the SMBtrans request + * from NT4 servers. (See bug #8195) + */ +#define TSTREAM_SMBXCLI_NP_MAX_BUF_SIZE 4280 + +#endif /* _CLI_NP_TSTREAM_H_ */ |