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NetBSD/usr.sbin/ypserv/common/yplib_host.c
lukem 652dc94093 - hack ypdb_open() to try the standard hash (for sendmail's aliases.db) 
if the initial open fails with EFTYPE. if a different database
  format is found to be more efficient, just add the code to open it
  prior to that of the other formats; this maintains backward
  compatibility with older databases whilst providing new functionality...
- add rcsid's
1997-10-13 03:42:27 +00:00

355 lines
8.8 KiB
C
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/* $NetBSD: yplib_host.c,v 1.3 1997/10/13 03:42:31 lukem Exp $ */
/*
* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Theo de Raadt.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: yplib_host.c,v 1.3 1997/10/13 03:42:31 lukem Exp $");
#endif
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/file.h>
#include <sys/uio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
#include <rpcsvc/yp_prot.h>
#include <rpcsvc/ypclnt.h>
#include "yplib_host.h"
struct timeval _yplib_host_timeout = { 10, 0 };
CLIENT *
yp_bind_host(server, program, version, port, usetcp)
char *server;
u_int program, version;
u_short port;
int usetcp;
{
struct sockaddr_in rsrv_sin;
int rsrv_sock;
struct hostent *h;
static CLIENT *client;
memset(&rsrv_sin, 0, sizeof rsrv_sin);
rsrv_sin.sin_len = sizeof rsrv_sin;
rsrv_sin.sin_family = AF_INET;
rsrv_sock = RPC_ANYSOCK;
if (port != 0) {
rsrv_sin.sin_port = htons(port);
}
if (isdigit(*server)) {
if (inet_aton(server,&rsrv_sin.sin_addr) == 0) {
errx(1, "invalid IP address `%s'", server);
}
} else {
h = gethostbyname(server);
if(h == NULL) {
errx(1, "unknown host `%s'", server);
}
memcpy(&rsrv_sin.sin_addr.s_addr, h->h_addr_list[0],
h->h_length);
}
if (usetcp)
client = clnttcp_create(&rsrv_sin, program, version,
&rsrv_sock, 0, 0);
else
client = clntudp_create(&rsrv_sin, program, version,
_yplib_host_timeout, &rsrv_sock);
if (client == NULL)
errx(1, "%s: no contact with host `%s'",
usetcp ? "clnttcp_create" : "clntudp_create", server);
return(client);
}
CLIENT *
yp_bind_local(program, version)
u_int program, version;
{
struct sockaddr_in rsrv_sin;
int rsrv_sock;
static CLIENT *client;
memset(&rsrv_sin, 0, sizeof rsrv_sin);
rsrv_sin.sin_len = sizeof rsrv_sin;
rsrv_sin.sin_family = AF_INET;
rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
rsrv_sock = RPC_ANYSOCK;
client = clntudp_create(&rsrv_sin, program, version,
_yplib_host_timeout, &rsrv_sock);
if (client == NULL)
errx(1, "clntudp_create: no contact with localhost");
return(client);
}
int
yp_match_host(client, indomain, inmap, inkey, inkeylen, outval, outvallen)
CLIENT *client;
char *indomain;
char *inmap;
const char *inkey;
int inkeylen;
char **outval;
int *outvallen;
{
struct ypresp_val yprv;
struct ypreq_key yprk;
int r;
*outval = NULL;
*outvallen = 0;
yprk.domain = indomain;
yprk.map = inmap;
yprk.keydat.dptr = (char *)inkey;
yprk.keydat.dsize = inkeylen;
memset(&yprv, 0, sizeof yprv);
r = clnt_call(client, YPPROC_MATCH, xdr_ypreq_key, &yprk,
xdr_ypresp_val, &yprv, _yplib_host_timeout);
if(r != RPC_SUCCESS)
clnt_perror(client, "yp_match_host: clnt_call");
if(!(r=ypprot_err(yprv.status)) ) {
*outvallen = yprv.valdat.dsize;
*outval = (char *)malloc(*outvallen+1);
memcpy(*outval, yprv.valdat.dptr, *outvallen);
(*outval)[*outvallen] = '\0';
}
xdr_free(xdr_ypresp_val, (char *)&yprv);
return r;
}
int
yp_first_host(client, indomain, inmap, outkey, outkeylen, outval, outvallen)
CLIENT *client;
char *indomain;
char *inmap;
char **outkey;
int *outkeylen;
char **outval;
int *outvallen;
{
struct ypresp_key_val yprkv;
struct ypreq_nokey yprnk;
int r;
*outkey = *outval = NULL;
*outkeylen = *outvallen = 0;
yprnk.domain = indomain;
yprnk.map = inmap;
memset(&yprkv, 0, sizeof yprkv);
r = clnt_call(client, YPPROC_FIRST, xdr_ypreq_nokey, &yprnk,
xdr_ypresp_key_val, &yprkv, _yplib_host_timeout);
if (r != RPC_SUCCESS)
clnt_perror(client, "yp_first_host: clnt_call");
if(!(r=ypprot_err(yprkv.status)) ) {
*outkeylen = yprkv.keydat.dsize;
*outkey = (char *)malloc(*outkeylen+1);
memcpy(*outkey, yprkv.keydat.dptr, *outkeylen);
(*outkey)[*outkeylen] = '\0';
*outvallen = yprkv.valdat.dsize;
*outval = (char *)malloc(*outvallen+1);
memcpy(*outval, yprkv.valdat.dptr, *outvallen);
(*outval)[*outvallen] = '\0';
}
xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
return r;
}
int
yp_next_host(client, indomain, inmap, inkey, inkeylen, outkey,
outkeylen, outval, outvallen)
CLIENT *client;
char *indomain;
char *inmap;
char *inkey;
int inkeylen;
char **outkey;
int *outkeylen;
char **outval;
int *outvallen;
{
struct ypresp_key_val yprkv;
struct ypreq_key yprk;
int r;
*outkey = *outval = NULL;
*outkeylen = *outvallen = 0;
yprk.domain = indomain;
yprk.map = inmap;
yprk.keydat.dptr = inkey;
yprk.keydat.dsize = inkeylen;
memset(&yprkv, 0, sizeof yprkv);
r = clnt_call(client, YPPROC_NEXT, xdr_ypreq_key, &yprk,
xdr_ypresp_key_val, &yprkv, _yplib_host_timeout);
if (r != RPC_SUCCESS)
clnt_perror(client, "yp_next_host: clnt_call");
if(!(r=ypprot_err(yprkv.status)) ) {
*outkeylen = yprkv.keydat.dsize;
*outkey = (char *)malloc(*outkeylen+1);
memcpy(*outkey, yprkv.keydat.dptr, *outkeylen);
(*outkey)[*outkeylen] = '\0';
*outvallen = yprkv.valdat.dsize;
*outval = (char *)malloc(*outvallen+1);
memcpy(*outval, yprkv.valdat.dptr, *outvallen);
(*outval)[*outvallen] = '\0';
}
xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
return r;
}
int
yp_all_host(client, indomain, inmap, incallback)
CLIENT *client;
char *indomain;
char *inmap;
struct ypall_callback *incallback;
{
struct ypreq_nokey yprnk;
int status;
yprnk.domain = indomain;
yprnk.map = inmap;
status = clnt_call(client, YPPROC_ALL, xdr_ypreq_nokey, &yprnk,
xdr_ypall, (char *)incallback, _yplib_host_timeout);
if (status != RPC_SUCCESS)
return YPERR_RPC;
return 0;
}
int
yp_order_host(client, indomain, inmap, outorder)
CLIENT *client;
char *indomain;
char *inmap;
int *outorder;
{
struct ypresp_order ypro;
struct ypreq_nokey yprnk;
int r;
yprnk.domain = indomain;
yprnk.map = inmap;
memset(&ypro, 0, sizeof ypro);
r = clnt_call(client, YPPROC_ORDER, xdr_ypreq_nokey, &yprnk,
xdr_ypresp_order, &ypro, _yplib_host_timeout);
if(r != RPC_SUCCESS)
clnt_perror(client, "yp_order_host: clnt_call");
*outorder = ypro.ordernum;
xdr_free(xdr_ypresp_order, (char *)&ypro);
return ypprot_err(ypro.status);
}
int
yp_master_host(client, indomain, inmap, outname)
CLIENT *client;
char *indomain;
char *inmap;
char **outname;
{
struct ypresp_master yprm;
struct ypreq_nokey yprnk;
int r;
yprnk.domain = indomain;
yprnk.map = inmap;
memset(&yprm, 0, sizeof yprm);
r = clnt_call(client, YPPROC_MASTER, xdr_ypreq_nokey, &yprnk,
xdr_ypresp_master, &yprm, _yplib_host_timeout);
if (r != RPC_SUCCESS)
clnt_perror(client, "yp_master: clnt_call");
if(!(r=ypprot_err(yprm.status)) ) {
*outname = (char *)strdup(yprm.master);
}
xdr_free(xdr_ypresp_master, (char *)&yprm);
return r;
}
int
yp_maplist_host(client, indomain, outmaplist)
CLIENT *client;
char *indomain;
struct ypmaplist **outmaplist;
{
struct ypresp_maplist ypml;
int r;
memset(&ypml, 0, sizeof ypml);
r = clnt_call(client, YPPROC_MAPLIST, xdr_ypdomain_wrap_string,
indomain, xdr_ypresp_maplist, &ypml, _yplib_host_timeout);
if (r != RPC_SUCCESS)
clnt_perror(client, "yp_maplist: clnt_call");
*outmaplist = ypml.list;
/* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
return ypprot_err(ypml.status);
}
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