From: Jeremy Allison <jra@samba.org>
Date: Tue, 28 Nov 2017 22:09:39 +0000 (-0800)
Subject: s3: libsmb: Add SMB2 calls cli_smb2_set_reparse_point_fnum_send()/cli_smb2_set_repars... 
X-Git-Tag: talloc-2.1.11~284
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4581bfe76ce924d170f2dd2b436ca9acc1b8ec37;p=thirdparty%2Fsamba.git

s3: libsmb: Add SMB2 calls cli_smb2_set_reparse_point_fnum_send()/cli_smb2_set_reparse_point_fnum_recv().

Allow reparse points to be created over SMB2.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13159

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
---

diff --git a/source3/libsmb/cli_smb2_fnum.c b/source3/libsmb/cli_smb2_fnum.c
index 78f61fbedd4..f8861e53345 100644
--- a/source3/libsmb/cli_smb2_fnum.c
+++ b/source3/libsmb/cli_smb2_fnum.c
@@ -4181,3 +4181,96 @@ fail:
 	TALLOC_FREE(frame);
 	return status;
 }
+
+struct cli_smb2_set_reparse_point_fnum_state {
+	struct cli_state *cli;
+	uint16_t fnum;
+	struct smb2_hnd *ph;
+	DATA_BLOB input_buffer;
+};
+
+static void cli_smb2_set_reparse_point_fnum_done(struct tevent_req *subreq);
+
+struct tevent_req *cli_smb2_set_reparse_point_fnum_send(
+				TALLOC_CTX *mem_ctx,
+				struct tevent_context *ev,
+				struct cli_state *cli,
+				uint16_t fnum,
+				DATA_BLOB in_buf)
+{
+	struct tevent_req *req, *subreq;
+	struct cli_smb2_set_reparse_point_fnum_state *state = NULL;
+	NTSTATUS status;
+
+	req = tevent_req_create(mem_ctx, &state,
+				struct cli_smb2_set_reparse_point_fnum_state);
+	if (req == NULL) {
+		return NULL;
+	}
+
+	if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+		tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
+		return tevent_req_post(req, ev);
+	}
+
+	state->cli = cli;
+	state->fnum = fnum;
+
+	status = map_fnum_to_smb2_handle(cli, fnum, &state->ph);
+	if (tevent_req_nterror(req, status)) {
+		return tevent_req_post(req, ev);
+	}
+
+	state->input_buffer = data_blob_talloc(state,
+						in_buf.data,
+						in_buf.length);
+	if (state->input_buffer.data == NULL) {
+		tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
+		return tevent_req_post(req, ev);
+	}
+
+	subreq = smb2cli_ioctl_send(state, ev, state->cli->conn,
+			state->cli->timeout,
+			state->cli->smb2.session,
+			state->cli->smb2.tcon,
+			state->ph->fid_persistent, /* in_fid_persistent */
+			state->ph->fid_volatile, /* in_fid_volatile */
+			FSCTL_SET_REPARSE_POINT,
+			0, /* in_max_input_length */
+			&state->input_buffer ,
+			0,
+			NULL,
+			SMB2_IOCTL_FLAG_IS_FSCTL);
+
+	if (tevent_req_nomem(subreq, req)) {
+		return tevent_req_post(req, ev);
+	}
+	tevent_req_set_callback(subreq,
+				cli_smb2_set_reparse_point_fnum_done,
+				req);
+
+	return req;
+}
+
+static void cli_smb2_set_reparse_point_fnum_done(struct tevent_req *subreq)
+{
+	struct tevent_req *req = tevent_req_callback_data(
+		subreq, struct tevent_req);
+	struct cli_smb2_set_reparse_point_fnum_state *state = tevent_req_data(
+		req, struct cli_smb2_set_reparse_point_fnum_state);
+	NTSTATUS status;
+
+	status = smb2cli_ioctl_recv(subreq, state,
+				NULL,
+				NULL);
+	TALLOC_FREE(subreq);
+	if (tevent_req_nterror(req, status)) {
+		return;
+	}
+	tevent_req_done(req);
+}
+
+NTSTATUS cli_smb2_set_reparse_point_fnum_recv(struct tevent_req *req)
+{
+        return tevent_req_simple_recv_ntstatus(req);
+}
diff --git a/source3/libsmb/cli_smb2_fnum.h b/source3/libsmb/cli_smb2_fnum.h
index 3d9b6eb3fe6..0f6809fe4ca 100644
--- a/source3/libsmb/cli_smb2_fnum.h
+++ b/source3/libsmb/cli_smb2_fnum.h
@@ -242,4 +242,12 @@ NTSTATUS cli_smb2_notify(struct cli_state *cli, uint16_t fnum,
 			 bool recursive, TALLOC_CTX *mem_ctx,
 			 struct notify_change **pchanges,
 			 uint32_t *pnum_changes);
+struct tevent_req *cli_smb2_set_reparse_point_fnum_send(
+			TALLOC_CTX *mem_ctx,
+			struct tevent_context *ev,
+			struct cli_state *cli,
+			uint16_t fnum,
+			DATA_BLOB in_buf);
+NTSTATUS cli_smb2_set_reparse_point_fnum_recv(struct tevent_req *req);
+
 #endif /* __SMB2CLI_FNUM_H__ */