Shape up asf to be better usable on DragonFly
[dragonfly.git] / libexec / ypxfr / ypxfrd_getmap.c
1 /*
2  * Copyright (c) 1995, 1996
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  * $FreeBSD: src/libexec/ypxfr/ypxfrd_getmap.c,v 1.7.2.1 2002/02/15 00:46:54 des Exp $
33  * $DragonFly: src/libexec/ypxfr/ypxfrd_getmap.c,v 1.2 2003/06/17 04:27:08 dillon Exp $
34  */
35
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <time.h>
40 #include <unistd.h>
41 #include <rpcsvc/ypxfrd.h>
42 #include <rpcsvc/yp.h>
43 #include <rpc/rpc.h>
44 #include <sys/uio.h>
45 #include <sys/fcntl.h>
46 #include <sys/stat.h>
47 #include <sys/types.h>
48 #include "ypxfr_extern.h"
49
50 int fp = 0;
51
52 static bool_t xdr_my_xfr(register XDR *xdrs, xfr *objp)
53 {
54         while (1) {
55                 if (!xdr_xfr(xdrs, objp))
56                         return(FALSE);
57                 if (objp->ok == TRUE) {
58                         if (write(fp, objp->xfr_u.xfrblock_buf.xfrblock_buf_val,
59                             objp->xfr_u.xfrblock_buf.xfrblock_buf_len) == -1) {
60                                 yp_error("write failed: %s", strerror(errno));
61                                 return(FALSE);
62                         }
63                 }
64                 xdr_free(xdr_xfr, (char *)objp);
65                 if (objp->ok == FALSE) {
66                         switch (objp->xfr_u.xfrstat) {
67                         case(XFR_DONE):
68                                 return(TRUE);
69                                 break;
70                         case(XFR_READ_ERR):
71                                 yp_error("got read error from rpc.ypxfrd");
72                                 return(FALSE);
73                                 break;
74                         case(XFR_ACCESS):
75                                 yp_error("rpc.ypxfrd couldn't access the map");
76                                 return(FALSE);
77                                 break;
78                         case(XFR_DENIED):
79                                 yp_error("access to map denied by rpc.ypxfrd");
80                                 return(FALSE);
81                                 break;
82                         case(XFR_DB_TYPE_MISMATCH):
83                                 yp_error("client/server DB type mismatch");
84                                 return(FALSE);
85                                 break;
86                         case(XFR_DB_ENDIAN_MISMATCH):
87                                 yp_error("client/server byte order mismatch");
88                                 return(FALSE);
89                                 break;
90                         default:
91                                 yp_error("got unknown status from rpc.ypxfrd");
92                                 return(FALSE);
93                                 break;
94                         }
95                 }
96         }
97 }
98
99 #define PERM_SECURE (S_IRUSR|S_IWUSR)
100
101 int ypxfrd_get_map(host, map, domain, tmpname)
102         char *host;
103         char *map;
104         char *domain;
105         char *tmpname;
106 {
107         CLIENT *clnt;
108         struct ypxfr_mapname req;
109         struct xfr resp;
110         struct timeval timeout = { 0, 25 };
111         int status = 0;
112
113         req.xfrmap = map;
114         req.xfrdomain = domain;
115         req.xfrmap_filename = "";
116         req.xfr_db_type = XFR_DB_BSD_HASH;      /*
117         req.xfr_byte_order = XFR_ENDIAN_ANY;     * Berkeley DB isn't
118                                                  * byte-order sensitive.
119                                                  */
120
121         bzero((char *)&resp, sizeof(resp));
122
123         if ((clnt = clnt_create(host, YPXFRD_FREEBSD_PROG,
124                                 YPXFRD_FREEBSD_VERS, "tcp")) == NULL) {
125                 return(1);
126         }
127
128         if ((fp = open(tmpname, O_RDWR|O_CREAT, PERM_SECURE)) == -1) {
129                 clnt_destroy(clnt);
130                 yp_error("couldn't open %s: %s", tmpname, strerror(errno));
131                 return(1);
132         }
133
134         if (clnt_call(clnt,YPXFRD_GETMAP,xdr_ypxfr_mapname,(char *)&req,
135                         xdr_my_xfr, (char *)&resp, timeout) != RPC_SUCCESS) {
136                 yp_error("%s", clnt_sperror(clnt,"call to rpc.ypxfrd failed"));
137                 status++;
138                 unlink(tmpname);
139         }
140
141         clnt_destroy(clnt);
142         close(fp);
143         return(status);
144 }