/*- * SPDX-License-Identifier: BSD-4-Clause * * Copyright (c) 1995, 1996 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> #include <errno.h> #include <stdlib.h> #include <string.h> #include <time.h> #include <unistd.h> #include <rpcsvc/ypxfrd.h> #include <rpcsvc/yp.h> #include <rpc/rpc.h> #include <sys/uio.h> #include <sys/fcntl.h> #include <sys/stat.h> #include <sys/types.h> #include "ypxfr_extern.h" static int fp = 0; static bool_t xdr_my_xfr(register XDR *xdrs, xfr *objp) { while (1) { if (!xdr_xfr(xdrs, objp)) return(FALSE); if (objp->ok == TRUE) { if (write(fp, objp->xfr_u.xfrblock_buf.xfrblock_buf_val, objp->xfr_u.xfrblock_buf.xfrblock_buf_len) == -1) { yp_error("write failed: %s", strerror(errno)); return(FALSE); } } xdr_free((xdrproc_t)xdr_xfr, (char *)objp); if (objp->ok == FALSE) { switch (objp->xfr_u.xfrstat) { case(XFR_DONE): return(TRUE); break; case(XFR_READ_ERR): yp_error("got read error from rpc.ypxfrd"); return(FALSE); break; case(XFR_ACCESS): yp_error("rpc.ypxfrd couldn't access the map"); return(FALSE); break; case(XFR_DENIED): yp_error("access to map denied by rpc.ypxfrd"); return(FALSE); break; case(XFR_DB_TYPE_MISMATCH): yp_error("client/server DB type mismatch"); return(FALSE); break; case(XFR_DB_ENDIAN_MISMATCH): yp_error("client/server byte order mismatch"); return(FALSE); break; default: yp_error("got unknown status from rpc.ypxfrd"); return(FALSE); break; } } } } #define PERM_SECURE (S_IRUSR|S_IWUSR) int ypxfrd_get_map(char *host, char *map, char *domain, char *tmpname) { CLIENT *clnt; struct ypxfr_mapname req; struct xfr resp; struct timeval timeout = { 0, 25 }; int status = 0; req.xfrmap = map; req.xfrdomain = domain; req.xfrmap_filename = ""; req.xfr_db_type = XFR_DB_BSD_HASH; /* req.xfr_byte_order = XFR_ENDIAN_ANY; * Berkeley DB isn't * byte-order sensitive. */ bzero((char *)&resp, sizeof(resp)); if ((clnt = clnt_create(host, YPXFRD_FREEBSD_PROG, YPXFRD_FREEBSD_VERS, "tcp")) == NULL) { return(1); } if ((fp = open(tmpname, O_RDWR|O_CREAT, PERM_SECURE)) == -1) { clnt_destroy(clnt); yp_error("couldn't open %s: %s", tmpname, strerror(errno)); return(1); } if (clnt_call(clnt,YPXFRD_GETMAP, (xdrproc_t)xdr_ypxfr_mapname, (char *)&req, (xdrproc_t)xdr_my_xfr, (char *)&resp, timeout) != RPC_SUCCESS) { yp_error("%s", clnt_sperror(clnt,"call to rpc.ypxfrd failed")); status++; unlink(tmpname); } clnt_destroy(clnt); close(fp); return(status); }