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
44extern bool_t xdr_ypresp_all_seq(XDR *, unsigned long *);
45
46int (*ypresp_allfn)();
47void *ypresp_data;
48extern DB *specdbp;
49extern 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 */
60int
61ypxfr_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 \
75create 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