1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 1995 5 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <stdio.h> 39 #include <time.h> 40 #include <sys/types.h> 41 #include <rpc/rpc.h> 42 #include <rpc/xdr.h> 43 #include <rpcsvc/yp.h> 44 #include "ypxfr_extern.h" 45 46 extern bool_t xdr_ypresp_all_seq(XDR *, unsigned long *); 47 48 extern int (*ypresp_allfn)(); 49 extern void *ypresp_data; 50 extern DB *specdbp; 51 extern enum ypstat yp_errno; 52 53 /* 54 * This is largely the same as yp_all() except we do the transfer 55 * from a specific server without the aid of ypbind(8). We need to 56 * be able to specify the source host explicitly since ypxfr may 57 * only transfer maps from the NIS master server for any given domain. 58 * However, if we use the libc version of yp_all(), we could end up 59 * talking to one of the slaves instead. We do need to dig into libc 60 * a little though, since it contains the magic XDR function we need. 61 */ 62 int 63 ypxfr_get_map(char *map, char *domain, char *host, 64 int (*callback)(int, char *, int, char *, int, char*)) 65 { 66 CLIENT *clnt; 67 ypreq_nokey req; 68 unsigned long status; 69 struct timeval timeout; 70 71 timeout.tv_usec = 0; 72 timeout.tv_sec = 10; 73 74 /* YPPROC_ALL is a TCP service */ 75 if ((clnt = clnt_create(host, YPPROG, YPVERS, "tcp")) == NULL) { 76 yp_error("%s", clnt_spcreateerror("failed to \ 77 create tcp handle")); 78 yp_errno = (enum ypstat)YPXFR_YPERR; 79 return(1); 80 } 81 82 req.domain = domain; 83 req.map = map; 84 ypresp_allfn = callback; 85 ypresp_data = NULL; 86 87 (void)clnt_call(clnt, YPPROC_ALL, (xdrproc_t)xdr_ypreq_nokey, &req, 88 (xdrproc_t)xdr_ypresp_all_seq, &status, timeout); 89 90 clnt_destroy(clnt); 91 92 if (status == YP_NOMORE) 93 return(0); 94 95 if (status != YP_TRUE) { 96 yp_errno = (enum ypstat)YPXFR_YPERR; 97 return(1); 98 } 99 100 return(0); 101 } 102