Add async cli_ntcreate

2 files changed, 154 insertions, 0 deletions

diff --git a/source3/include/proto.h b/source3/include/proto.h
index b06d8d6758..04740f5cae 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -2509,6 +2509,28 @@ int cli_nt_create_full(struct cli_state *cli, const char *fname,
 		 uint32 FileAttributes, uint32 ShareAccess,
 		 uint32 CreateDisposition, uint32 CreateOptions,
 		 uint8 SecuityFlags);
+struct async_req *cli_ntcreate_send(TALLOC_CTX *mem_ctx,
+				    struct event_context *ev,
+				    struct cli_state *cli,
+				    const char *fname,
+				    uint32_t CreatFlags,
+				    uint32_t DesiredAccess,
+				    uint32_t FileAttributes,
+				    uint32_t ShareAccess,
+				    uint32_t CreateDisposition,
+				    uint32_t CreateOptions,
+				    uint8_t SecurityFlags);
+NTSTATUS cli_ntcreate_recv(struct async_req *req, uint16_t *pfnum);
+NTSTATUS cli_ntcreate(struct cli_state *cli,
+		      const char *fname,
+		      uint32_t CreatFlags,
+		      uint32_t DesiredAccess,
+		      uint32_t FileAttributes,
+		      uint32_t ShareAccess,
+		      uint32_t CreateDisposition,
+		      uint32_t CreateOptions,
+		      uint8_t SecurityFlags,
+		      uint16_t *pfid);
 int cli_nt_create(struct cli_state *cli, const char *fname, uint32 DesiredAccess);
 uint8_t *smb_bytes_push_str(uint8_t *buf, bool ucs2, const char *str,
 			    size_t str_len, size_t *pconverted_size);
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c
index 3b6585b7e7..91f13a79ac 100644
--- a/source3/libsmb/clifile.c
+++ b/source3/libsmb/clifile.c
@@ -771,6 +771,138 @@ int cli_nt_create_full(struct cli_state *cli, const char *fname,
 	return SVAL(cli->inbuf,smb_vwv2 + 1);
 }
 
+struct async_req *cli_ntcreate_send(TALLOC_CTX *mem_ctx,
+				    struct event_context *ev,
+				    struct cli_state *cli,
+				    const char *fname,
+				    uint32_t CreatFlags,
+				    uint32_t DesiredAccess,
+				    uint32_t FileAttributes,
+				    uint32_t ShareAccess,
+				    uint32_t CreateDisposition,
+				    uint32_t CreateOptions,
+				    uint8_t SecurityFlags)
+{
+	struct async_req *result;
+	uint8_t *bytes;
+	size_t converted_len;
+	uint16_t vwv[24];
+
+	SCVAL(vwv+0, 0, 0xFF);
+	SCVAL(vwv+0, 1, 0);
+	SSVAL(vwv+1, 0, 0);
+	SCVAL(vwv+2, 0, 0);
+
+	if (cli->use_oplocks) {
+		CreatFlags |= (REQUEST_OPLOCK|REQUEST_BATCH_OPLOCK);
+	}
+	SIVAL(vwv+3, 1, CreatFlags);
+	SIVAL(vwv+5, 1, 0x0);	/* RootDirectoryFid */
+	SIVAL(vwv+7, 1, DesiredAccess);
+	SIVAL(vwv+9, 1, 0x0);	/* AllocationSize */
+	SIVAL(vwv+11, 1, 0x0);	/* AllocationSize */
+	SIVAL(vwv+13, 1, FileAttributes);
+	SIVAL(vwv+15, 1, ShareAccess);
+	SIVAL(vwv+17, 1, CreateDisposition);
+	SIVAL(vwv+19, 1, CreateOptions);
+	SIVAL(vwv+21, 1, 0x02);	/* ImpersonationLevel */
+	SCVAL(vwv+23, 1, SecurityFlags);
+
+	bytes = talloc_array(talloc_tos(), uint8_t, 0);
+	bytes = smb_bytes_push_str(bytes, cli_ucs2(cli),
+				   fname, strlen(fname)+1,
+				   &converted_len);
+
+	/* sigh. this copes with broken netapp filer behaviour */
+	bytes = smb_bytes_push_str(bytes, cli_ucs2(cli), "", 1, NULL);
+
+	if (bytes == NULL) {
+		return NULL;
+	}
+
+	SIVAL(vwv+2, 1, converted_len);
+
+	result = cli_request_send(mem_ctx, ev, cli, SMBntcreateX, 0,
+				  24, vwv, 0, talloc_get_size(bytes), bytes);
+	TALLOC_FREE(bytes);
+	return result;
+}
+
+NTSTATUS cli_ntcreate_recv(struct async_req *req, uint16_t *pfnum)
+{
+	uint8_t wct;
+	uint16_t *vwv;
+	uint16_t num_bytes;
+	uint8_t *bytes;
+	NTSTATUS status;
+
+	if (async_req_is_error(req, &status)) {
+		return status;
+	}
+
+	status = cli_pull_reply(req, &wct, &vwv, &num_bytes, &bytes);
+	if (!NT_STATUS_IS_OK(status)) {
+		return status;
+	}
+
+	if (wct < 3) {
+		return NT_STATUS_INVALID_NETWORK_RESPONSE;
+	}
+
+	*pfnum = SVAL(vwv+2, 1);
+
+	return NT_STATUS_OK;
+}
+
+NTSTATUS cli_ntcreate(struct cli_state *cli,
+		      const char *fname,
+		      uint32_t CreatFlags,
+		      uint32_t DesiredAccess,
+		      uint32_t FileAttributes,
+		      uint32_t ShareAccess,
+		      uint32_t CreateDisposition,
+		      uint32_t CreateOptions,
+		      uint8_t SecurityFlags,
+		      uint16_t *pfid)
+{
+	TALLOC_CTX *frame = talloc_stackframe();
+	struct event_context *ev;
+	struct async_req *req;
+	NTSTATUS status;
+
+	if (cli->fd_event != NULL) {
+		/*
+		 * Can't use sync call while an async call is in flight
+		 */
+		status = NT_STATUS_INVALID_PARAMETER;
+		goto fail;
+	}
+
+	ev = event_context_init(frame);
+	if (ev == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	req = cli_ntcreate_send(frame, ev, cli, fname, CreatFlags,
+				DesiredAccess, FileAttributes, ShareAccess,
+				CreateDisposition, CreateOptions,
+				SecurityFlags);
+	if (req == NULL) {
+		status = NT_STATUS_NO_MEMORY;
+		goto fail;
+	}
+
+	while (req->state < ASYNC_REQ_DONE) {
+		event_loop_once(ev);
+	}
+
+	status = cli_ntcreate_recv(req, pfid);
+ fail:
+	TALLOC_FREE(frame);
+	return status;
+}
+
 /****************************************************************************
  Open a file.
 ****************************************************************************/