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