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