libcli/smb: add smb1cli_close*

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

Signed-off-by: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>

3 files changed, 206 insertions, 0 deletions

diff --git a/libcli/smb/smb1cli_close.c b/libcli/smb/smb1cli_close.c
new file mode 100644
index 00000000000..89fbbba83f5
--- /dev/null
+++ b/libcli/smb/smb1cli_close.c
@@ -0,0 +1,188 @@
+/*
+   Unix SMB/CIFS implementation.
+
+   Copyright (C) Gregor Beck 2013
+   Copyright (C) Stefan Metzmacher 2013
+
+   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/>.
+*/
+
+#include "includes.h"
+#include "system/network.h"
+#include "lib/util/tevent_ntstatus.h"
+#include "smb_common.h"
+#include "smbXcli_base.h"
+
+struct smb1cli_close_state {
+	uint16_t vwv[3];
+};
+
+static void smb1cli_close_done(struct tevent_req *subreq);
+
+/**
+ * Send an asynchronous SMB_COM_CLOSE request.
+ * <a href="http://msdn.microsoft.com/en-us/library/ee442151.aspx">MS-CIFS 2.2.4.5.1</a>
+ * @see smb1cli_close_recv(), smb1cli_close()
+ *
+ * @param[in] mem_ctx  The memory context for the result.
+ * @param[in] ev The event context to work on.
+ * @param[in] conn The smb connection.
+ * @param[in] timeout_msec If positiv a timeout for the request.
+ * @param[in] pid The process identifier.
+ * @param[in] tcon The smb tree connect.
+ * @param[in] session The smb session.
+ * @param[in] fnum The file id of the file to be closed.
+ * @param[in] last_modified If not 0 or 0xFFFFFFFF request to set modification time to this number of seconds since January 1, 1970.
+ *
+ * @return a tevent_req or NULL.
+ */
+struct tevent_req *smb1cli_close_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      struct smbXcli_conn *conn,
+				      uint32_t timeout_msec,
+				      uint32_t pid,
+				      struct smbXcli_tcon *tcon,
+				      struct smbXcli_session *session,
+				      uint16_t fnum,
+				      uint32_t last_modified)
+{
+	struct tevent_req *req, *subreq;
+	struct smb1cli_close_state *state;
+
+	req = tevent_req_create(mem_ctx, &state, struct smb1cli_close_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	SSVAL(state->vwv+0, 0, fnum);
+	SIVALS(state->vwv+1, 0, last_modified);
+
+	subreq = smb1cli_req_send(state, ev, conn, SMBclose,
+				  0, 0, /* *_flags */
+				  0, 0, /* *_flags2 */
+				  timeout_msec, pid, tcon, session,
+				  ARRAY_SIZE(state->vwv), state->vwv,
+				  0, NULL);
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq, smb1cli_close_done, req);
+	return req;
+}
+
+static void smb1cli_close_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct smb1cli_close_state *state = tevent_req_data(
+		req, struct smb1cli_close_state);
+	NTSTATUS status;
+	static const struct smb1cli_req_expected_response expected[] = {
+	{
+		.status = NT_STATUS_OK,
+		.wct = 0x00
+	},
+	};
+
+	status = smb1cli_req_recv(subreq, state,
+				  NULL, /* recv_iov */
+				  NULL, /* phdr */
+				  NULL, /* wct */
+				  NULL, /* vwv */
+				  NULL, /* pvwv_offset */
+				  NULL, /* num_bytes */
+				  NULL, /* bytes */
+				  NULL, /* pbytes_offset */
+				  NULL, /* inbuf */
+				  expected, ARRAY_SIZE(expected));
+	TALLOC_FREE(subreq);
+	if (tevent_req_nterror(req, status)) {
+		return;
+	}
+
+	tevent_req_done(req);
+}
+
+/**
+ * Receive the response to an asynchronous SMB_COM_CLOSE request.
+ * <a href="http://msdn.microsoft.com/en-us/library/ee441667.aspx">MS-CIFS 2.2.4.5.2</a>
+ *
+ * @param req A tevent_req created with smb1cli_close_send()
+ *
+ * @return NT_STATUS_OK on success
+ */
+NTSTATUS smb1cli_close_recv(struct tevent_req *req)
+{
+	return tevent_req_simple_recv_ntstatus(req);
+}
+
+/**
+ * Send an synchronous SMB_COM_CLOSE request.
+ * <a href="http://msdn.microsoft.com/en-us/library/ee441493.aspx">MS-CIFS 2.2.4.5</a>
+ * @see smb1cli_close_send(), smb1cli_close_recv()
+ *
+ * @param[in] conn The smb connection.
+ * @param[in] timeout_msec If positiv a timeout for the request.
+ * @param[in] pid The process identifier.
+ * @param[in] tcon The smb tree connect.
+ * @param[in] session The smb session.
+ * @param[in] fnum The file id of the file to be closed.
+ * @param[in] last_modified If not 0 or 0xFFFFFFFF request to set modification time to this number of seconds since J
+ *
+ * @return NT_STATUS_OK on success.
+ */
+NTSTATUS smb1cli_close(struct smbXcli_conn *conn,
+		       uint32_t timeout_msec,
+		       uint32_t pid,
+		       struct smbXcli_tcon *tcon,
+		       struct smbXcli_session *session,
+		       uint16_t fnum,
+		       uint32_t last_modified)
+{
+	NTSTATUS status = NT_STATUS_OK;
+	struct tevent_req *req;
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct tevent_context *ev;
+
+	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 done;
+	}
+
+	ev = samba_tevent_context_init(frame);
+	if (ev == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto done;
+	}
+
+	req = smb1cli_close_send(frame, ev, conn,
+				 timeout_msec, pid, tcon, session,
+				 fnum, last_modified);
+	if (req == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto done;
+	}
+
+	if (!tevent_req_poll_ntstatus(req, ev, &status)) {
+		goto done;
+	}
+
+	status = smb1cli_close_recv(req);
+done:
+	talloc_free(frame);
+	return status;
+}
diff --git a/libcli/smb/smbXcli_base.h b/libcli/smb/smbXcli_base.h
index cb705f1f17f..64c6e417c58 100644
--- a/libcli/smb/smbXcli_base.h
+++ b/libcli/smb/smbXcli_base.h
@@ -237,6 +237,23 @@ NTSTATUS smb1cli_ntcreatex(struct smbXcli_conn *conn,
 			   uint32_t ImpersonationLevel,
 			   uint8_t SecurityFlags,
 			   uint16_t *pfnum);
+struct tevent_req *smb1cli_close_send(TALLOC_CTX *mem_ctx,
+				      struct tevent_context *ev,
+				      struct smbXcli_conn *conn,
+				      uint32_t timeout_msec,
+				      uint32_t pid,
+				      struct smbXcli_tcon *tcon,
+				      struct smbXcli_session *session,
+				      uint16_t fnum,
+				      uint32_t last_modified);
+NTSTATUS smb1cli_close_recv(struct tevent_req *req);
+NTSTATUS smb1cli_close(struct smbXcli_conn *conn,
+		       uint32_t timeout_msec,
+		       uint32_t pid,
+		       struct smbXcli_tcon *tcon,
+		       struct smbXcli_session *session,
+		       uint16_t fnum,
+		       uint32_t last_modified);
 
 bool smb2cli_conn_req_possible(struct smbXcli_conn *conn, uint32_t *max_dyn_len);
 uint32_t smb2cli_conn_server_capabilities(struct smbXcli_conn *conn);
diff --git a/libcli/smb/wscript b/libcli/smb/wscript
index 06a5dc861d7..a6fc381ea07 100755
--- a/libcli/smb/wscript
+++ b/libcli/smb/wscript
@@ -24,6 +24,7 @@ def build(bld):
 		smb1cli_trans.c
 		smb1cli_echo.c
                 smb1cli_create.c
+                smb1cli_close.c
 		smb2cli_session.c
                 smb2cli_create.c
                 smb2cli_close.c