Exemplo n.º 1
0
/****************************************************************************
  reply to an open and X on a named pipe

  This code is basically stolen from reply_open_and_X with some
  wrinkles to handle pipes.
****************************************************************************/
int reply_open_pipe_and_X(connection_struct *conn,
			  char *inbuf,char *outbuf,int length,int bufsize)
{
	pstring fname;
	uint16 vuid = SVAL(inbuf, smb_uid);
	pipes_struct *p;
	int smb_ofun = SVAL(inbuf,smb_vwv8);
	int size=0,fmode=0,mtime=0,rmode=0;
	int i;

	/* XXXX we need to handle passed times, sattr and flags */
	pstrcpy(fname,smb_buf(inbuf));

	/* If the name doesn't start \PIPE\ then this is directed */
	/* at a mailslot or something we really, really don't understand, */
	/* not just something we really don't understand. */
	if ( strncmp(fname,PIPE,PIPELEN) != 0 )
		return(ERROR(ERRSRV,ERRaccess));

	DEBUG(4,("Opening pipe %s.\n", fname));

	/* See if it is one we want to handle. */
	for( i = 0; pipe_names[i].client_pipe ; i++ )
		if( strequal(fname,pipe_names[i].client_pipe) )
			break;

	if (pipe_names[i].client_pipe == NULL)
		return(ERROR(ERRSRV,ERRaccess));

	/* Strip \PIPE\ off the name. */
	pstrcpy(fname,smb_buf(inbuf) + PIPELEN);

	/*
	 * Hack for NT printers... JRA.
	 */
    if(should_fail_next_srvsvc_open(fname))
      return(ERROR(ERRSRV,ERRaccess));

	/* Known pipes arrive with DIR attribs. Remove it so a regular file */
	/* can be opened and add it in after the open. */
	DEBUG(3,("Known pipe %s opening.\n",fname));
	smb_ofun |= FILE_CREATE_IF_NOT_EXIST;

	p = open_rpc_pipe_p(fname, conn, vuid);
	if (!p) return(ERROR(ERRSRV,ERRnofids));

	/* Prepare the reply */
	set_message(outbuf,15,0,True);

	/* Mark the opened file as an existing named pipe in message mode. */
	SSVAL(outbuf,smb_vwv9,2);
	SSVAL(outbuf,smb_vwv10,0xc700);

	if (rmode == 2) {
		DEBUG(4,("Resetting open result to open from create.\n"));
		rmode = 1;
	}

	SSVAL(outbuf,smb_vwv2, p->pnum);
	SSVAL(outbuf,smb_vwv3,fmode);
	put_dos_date3(outbuf,smb_vwv4,mtime);
	SIVAL(outbuf,smb_vwv6,size);
	SSVAL(outbuf,smb_vwv8,rmode);
	SSVAL(outbuf,smb_vwv11,0x0001);

	return chain_reply(inbuf,outbuf,length,bufsize);
}
Exemplo n.º 2
0
void reply_open_pipe_and_X(connection_struct *conn, struct smb_request *req)
{
	const char *fname = NULL;
	char *pipe_name = NULL;
	files_struct *fsp;
	TALLOC_CTX *ctx = talloc_tos();
	NTSTATUS status;

	/* XXXX we need to handle passed times, sattr and flags */
	srvstr_pull_req_talloc(ctx, req, &pipe_name, req->buf, STR_TERMINATE);
	if (!pipe_name) {
		reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
				ERRDOS, ERRbadpipe);
		return;
	}

	/* If the name doesn't start \PIPE\ then this is directed */
	/* at a mailslot or something we really, really don't understand, */
	/* not just something we really don't understand. */
	if ( strncmp(pipe_name,PIPE,PIPELEN) != 0 ) {
		reply_doserror(req, ERRSRV, ERRaccess);
		return;
	}

	DEBUG(4,("Opening pipe %s.\n", pipe_name));

	/* Strip \PIPE\ off the name. */
	fname = pipe_name + PIPELEN;

#if 0
	/*
	 * Hack for NT printers... JRA.
	 */
	if(should_fail_next_srvsvc_open(fname)) {
		reply_doserror(req, ERRSRV, ERRaccess);
		return;
	}
#endif

	status = open_np_file(req, fname, &fsp);
	if (!NT_STATUS_IS_OK(status)) {
		if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
			reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
					ERRDOS, ERRbadpipe);
			return;
		}
		reply_nterror(req, status);
		return;
	}

	/* Prepare the reply */
	reply_outbuf(req, 15, 0);

	/* Mark the opened file as an existing named pipe in message mode. */
	SSVAL(req->outbuf,smb_vwv9,2);
	SSVAL(req->outbuf,smb_vwv10,0xc700);

	SSVAL(req->outbuf, smb_vwv2, fsp->fnum);
	SSVAL(req->outbuf, smb_vwv3, 0);	/* fmode */
	srv_put_dos_date3((char *)req->outbuf, smb_vwv4, 0);	/* mtime */
	SIVAL(req->outbuf, smb_vwv6, 0);	/* size */
	SSVAL(req->outbuf, smb_vwv8, 0);	/* rmode */
	SSVAL(req->outbuf, smb_vwv11, 0x0001);

	chain_reply(req);
	return;
}
Exemplo n.º 3
0
void reply_open_pipe_and_X(connection_struct *conn, struct smb_request *req)
{
	const char *fname = NULL;
	char *pipe_name = NULL;
	smb_np_struct *p;
	int size=0,fmode=0,mtime=0,rmode=0;
	int i;
	TALLOC_CTX *ctx = talloc_tos();

	/* XXXX we need to handle passed times, sattr and flags */
	srvstr_pull_buf_talloc(ctx, req->inbuf, req->flags2, &pipe_name,
			smb_buf(req->inbuf), STR_TERMINATE);
	if (!pipe_name) {
		reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
				ERRDOS, ERRbadpipe);
		return;
	}

	/* If the name doesn't start \PIPE\ then this is directed */
	/* at a mailslot or something we really, really don't understand, */
	/* not just something we really don't understand. */
	if ( strncmp(pipe_name,PIPE,PIPELEN) != 0 ) {
		reply_doserror(req, ERRSRV, ERRaccess);
		return;
	}

	DEBUG(4,("Opening pipe %s.\n", pipe_name));

	/* See if it is one we want to handle. */
	for( i = 0; pipe_names[i].client_pipe ; i++ ) {
		if( strequal(pipe_name,pipe_names[i].client_pipe)) {
			break;
		}
	}

	if (pipe_names[i].client_pipe == NULL) {
		reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
				ERRDOS, ERRbadpipe);
		return;
	}

	/* Strip \PIPE\ off the name. */
	fname = pipe_name + PIPELEN;

#if 0
	/*
	 * Hack for NT printers... JRA.
	 */
	if(should_fail_next_srvsvc_open(fname)) {
		reply_doserror(req, ERRSRV, ERRaccess);
		return;
	}
#endif

	/* Known pipes arrive with DIR attribs. Remove it so a regular file */
	/* can be opened and add it in after the open. */
	DEBUG(3,("Known pipe %s opening.\n",fname));

	p = open_rpc_pipe_p(fname, conn, req->vuid);
	if (!p) {
		reply_doserror(req, ERRSRV, ERRnofids);
		return;
	}

	/* Prepare the reply */
	reply_outbuf(req, 15, 0);

	/* Mark the opened file as an existing named pipe in message mode. */
	SSVAL(req->outbuf,smb_vwv9,2);
	SSVAL(req->outbuf,smb_vwv10,0xc700);

	if (rmode == 2) {
		DEBUG(4,("Resetting open result to open from create.\n"));
		rmode = 1;
	}

	SSVAL(req->outbuf,smb_vwv2, p->pnum);
	SSVAL(req->outbuf,smb_vwv3,fmode);
	srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime);
	SIVAL(req->outbuf,smb_vwv6,size);
	SSVAL(req->outbuf,smb_vwv8,rmode);
	SSVAL(req->outbuf,smb_vwv11,0x0001);

	chain_reply(req);
	return;
}