s3:libsmb: add support for SMB2/3 in cli_chkpath()

[metze/samba/wip.git] / source3 / libsmb / cli_smb2_fnum.c

diff --git a/source3/libsmb/cli_smb2_fnum.c b/source3/libsmb/cli_smb2_fnum.c
index e7b89a44e58ea2eea9f96a8586b25ddde9ab44d0..b50f32855e4a1769fe080cae5413b658a287dadd 100644 (file)
--- a/source3/libsmb/cli_smb2_fnum.c
+++ b/source3/libsmb/cli_smb2_fnum.c
@@ -589,6 +589,44 @@ NTSTATUS cli_smb2_delete_on_close_recv(struct tevent_req *req)
        return NT_STATUS_OK;
 }
 
+/***************************************************************
+ Small wrapper that allows SMB2 to check for a directory
+ Synchronous only.
+***************************************************************/
+
+NTSTATUS cli_smb2_chkpath(struct cli_state *cli, const char *dname)
+{
+       NTSTATUS status;
+       uint16_t fnum;
+
+       if (smbXcli_conn_has_async_calls(cli->conn)) {
+               /*
+                * Can't use sync call while an async call is in flight
+                */
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       if (smbXcli_conn_protocol(cli->conn) < PROTOCOL_SMB2_02) {
+               return NT_STATUS_INVALID_PARAMETER;
+       }
+
+       status = cli_smb2_create_fnum(cli,
+                       dname,
+                       0,                      /* create_flags */
+                       FILE_READ_ATTRIBUTES,   /* desired_access */
+                       FILE_ATTRIBUTE_DIRECTORY, /* file attributes */
+                       FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE, /* share_access */
+                       FILE_OPEN,              /* create_disposition */
+                       FILE_DIRECTORY_FILE,    /* create_options */
+                       &fnum,
+                       NULL);
+
+       if (!NT_STATUS_IS_OK(status)) {
+               return status;
+       }
+       return cli_smb2_close_fnum(cli, fnum);
+}
+
 NTSTATUS cli_smb2_delete_on_close(struct cli_state *cli, uint16_t fnum, bool flag)
 {
        TALLOC_CTX *frame = talloc_stackframe();