From 269000b1b344fb04efe0f12ca455b584074139d3 Mon Sep 17 00:00:00 2001 From: Björn Baumbach Date: Tue, 15 May 2012 10:50:49 +0200 Subject: libcli/smb: move smb2cli_read.c from source3 to the toplevel Signed-off-by: Stefan Metzmacher --- source3/libsmb/smb2cli_read.c | 189 ------------------------------------------ 1 file changed, 189 deletions(-) delete mode 100644 source3/libsmb/smb2cli_read.c (limited to 'source3/libsmb/smb2cli_read.c') diff --git a/source3/libsmb/smb2cli_read.c b/source3/libsmb/smb2cli_read.c deleted file mode 100644 index c5e40b7c57..0000000000 --- a/source3/libsmb/smb2cli_read.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - Unix SMB/CIFS implementation. - smb2 lib - Copyright (C) Volker Lendecke 2011 - - 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 . -*/ - -#include "includes.h" -#include "client.h" -#include "async_smb.h" -#include "../libcli/smb/smbXcli_base.h" -#include "smb2cli.h" -#include "libsmb/proto.h" -#include "lib/util/tevent_ntstatus.h" - -struct smb2cli_read_state { - uint8_t fixed[48]; - uint8_t dyn_pad[1]; - struct iovec *recv_iov; - uint8_t *data; - uint32_t data_length; -}; - -static void smb2cli_read_done(struct tevent_req *subreq); - -struct tevent_req *smb2cli_read_send(TALLOC_CTX *mem_ctx, - struct tevent_context *ev, - struct smbXcli_conn *conn, - uint32_t timeout_msec, - struct smbXcli_session *session, - uint32_t tcon_id, - uint32_t length, - uint64_t offset, - uint64_t fid_persistent, - uint64_t fid_volatile, - uint64_t minimum_count, - uint64_t remaining_bytes) -{ - struct tevent_req *req, *subreq; - struct smb2cli_read_state *state; - uint8_t *fixed; - - req = tevent_req_create(mem_ctx, &state, - struct smb2cli_read_state); - if (req == NULL) { - return NULL; - } - - fixed = state->fixed; - - SSVAL(fixed, 0, 49); - SIVAL(fixed, 4, length); - SBVAL(fixed, 8, offset); - SBVAL(fixed, 16, fid_persistent); - SBVAL(fixed, 24, fid_volatile); - SBVAL(fixed, 32, minimum_count); - SBVAL(fixed, 40, remaining_bytes); - - subreq = smb2cli_req_send(state, ev, conn, SMB2_OP_READ, - 0, 0, /* flags */ - timeout_msec, - 0xFEFF, /* pid */ - tcon_id, - session, - state->fixed, sizeof(state->fixed), - state->dyn_pad, sizeof(state->dyn_pad)); - if (tevent_req_nomem(subreq, req)) { - return tevent_req_post(req, ev); - } - tevent_req_set_callback(subreq, smb2cli_read_done, req); - return req; -} - -static void smb2cli_read_done(struct tevent_req *subreq) -{ - struct tevent_req *req = tevent_req_callback_data( - subreq, struct tevent_req); - struct smb2cli_read_state *state = - tevent_req_data(req, - struct smb2cli_read_state); - NTSTATUS status; - struct iovec *iov; - uint8_t data_offset; - static const struct smb2cli_req_expected_response expected[] = { - { - .status = STATUS_BUFFER_OVERFLOW, - .body_size = 0x11 - }, - { - .status = NT_STATUS_OK, - .body_size = 0x11 - } - }; - - status = smb2cli_req_recv(subreq, state, &iov, - expected, ARRAY_SIZE(expected)); - if (tevent_req_nterror(req, status)) { - return; - } - - data_offset = CVAL(iov[1].iov_base, 2); - state->data_length = IVAL(iov[1].iov_base, 4); - - if ((data_offset != SMB2_HDR_BODY + 16) || - (state->data_length > iov[2].iov_len)) { - tevent_req_nterror(req, NT_STATUS_INVALID_NETWORK_RESPONSE); - return; - } - - state->recv_iov = iov; - state->data = (uint8_t *)iov[2].iov_base; - tevent_req_done(req); -} - -NTSTATUS smb2cli_read_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, - uint8_t **data, uint32_t *data_length) -{ - struct smb2cli_read_state *state = - tevent_req_data(req, - struct smb2cli_read_state); - NTSTATUS status; - - if (tevent_req_is_nterror(req, &status)) { - return status; - } - talloc_steal(mem_ctx, state->recv_iov); - *data_length = state->data_length; - *data = state->data; - return NT_STATUS_OK; -} - -NTSTATUS smb2cli_read(struct smbXcli_conn *conn, - uint32_t timeout_msec, - struct smbXcli_session *session, - uint32_t tcon_id, - uint32_t length, - uint64_t offset, - uint64_t fid_persistent, - uint64_t fid_volatile, - uint64_t minimum_count, - uint64_t remaining_bytes, - TALLOC_CTX *mem_ctx, - uint8_t **data, - uint32_t *data_length) -{ - TALLOC_CTX *frame = talloc_stackframe(); - struct tevent_context *ev; - struct tevent_req *req; - NTSTATUS status = NT_STATUS_NO_MEMORY; - - if (smbXcli_conn_has_async_calls(conn)) { - /* - * Can't use sync call while an async call is in flight - */ - status = NT_STATUS_INVALID_PARAMETER; - goto fail; - } - ev = tevent_context_init(frame); - if (ev == NULL) { - goto fail; - } - req = smb2cli_read_send(frame, ev, - conn, timeout_msec, session, tcon_id, - length, offset, - fid_persistent, fid_volatile, - minimum_count, remaining_bytes); - if (req == NULL) { - goto fail; - } - if (!tevent_req_poll_ntstatus(req, ev, &status)) { - goto fail; - } - status = smb2cli_read_recv(req, mem_ctx, data, data_length); - fail: - TALLOC_FREE(frame); - return status; -} -- cgit