357 lines
8.9 KiB
C
357 lines
8.9 KiB
C
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/* $OpenBSD: yplib_host.c,v 1.18 2015/01/16 06:40:22 deraadt Exp $ */
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/*
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* Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* 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 <sys/param.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <sys/file.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <rpc/rpc.h>
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#include <rpc/xdr.h>
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#include <rpcsvc/yp.h>
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#include <rpcsvc/ypclnt.h>
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#include "yplib_host.h"
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extern int (*ypresp_allfn)(u_long, char *, int, char *, int, void *);
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extern void *ypresp_data;
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extern bool_t xdr_ypreq_key(), xdr_ypresp_val();
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extern bool_t xdr_ypresp_all_seq();
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static int _yplib_host_timeout = 10;
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CLIENT *
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yp_bind_host(char *server, u_long program, u_long version, u_short port,
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int usetcp)
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{
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struct sockaddr_in rsrv_sin;
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static CLIENT *client;
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struct hostent *h;
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struct timeval tv;
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int rsrv_sock;
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memset(&rsrv_sin, 0, sizeof rsrv_sin);
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rsrv_sin.sin_len = sizeof rsrv_sin;
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rsrv_sin.sin_family = AF_INET;
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rsrv_sock = RPC_ANYSOCK;
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if (port != 0)
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rsrv_sin.sin_port = htons(port);
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if (*server >= '0' && *server <= '9') {
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if (inet_aton(server, &rsrv_sin.sin_addr) == 0) {
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errx(1, "inet_aton: invalid address %s.",
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server);
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}
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} else {
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h = gethostbyname(server);
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if (h == NULL) {
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errx(1, "gethostbyname: unknown host %s.",
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server);
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}
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rsrv_sin.sin_addr.s_addr = *(u_int32_t *)h->h_addr;
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}
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tv.tv_sec = 10;
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tv.tv_usec = 0;
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if (usetcp)
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client = clnttcp_create(&rsrv_sin, program, version,
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&rsrv_sock, 0, 0);
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else
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client = clntudp_create(&rsrv_sin, program, version, tv,
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&rsrv_sock);
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if (client == NULL) {
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errx(1, "clntudp_create: no contact with host %s.",
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server);
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}
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return (client);
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}
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CLIENT *
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yp_bind_local(u_long program, u_long version)
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{
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struct sockaddr_in rsrv_sin;
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static CLIENT *client;
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struct timeval tv;
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int rsrv_sock;
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memset(&rsrv_sin, 0, sizeof rsrv_sin);
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rsrv_sin.sin_len = sizeof rsrv_sin;
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rsrv_sin.sin_family = AF_INET;
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rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
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rsrv_sock = RPC_ANYSOCK;
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tv.tv_sec = 10;
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tv.tv_usec = 0;
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client = clntudp_create(&rsrv_sin, program, version, tv, &rsrv_sock);
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if (client == NULL) {
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errx(1, "clntudp_create: no contact with localhost.");
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}
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return (client);
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}
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int
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yp_match_host(CLIENT *client, char *indomain, char *inmap, const char *inkey,
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int inkeylen, char **outval, int *outvallen)
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{
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struct ypresp_val yprv;
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struct ypreq_key yprk;
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struct timeval tv;
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int r;
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*outval = NULL;
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*outvallen = 0;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprk.domain = indomain;
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yprk.map = inmap;
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yprk.key.keydat_val = (char *)inkey;
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yprk.key.keydat_len = inkeylen;
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memset(&yprv, 0, sizeof yprv);
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r = clnt_call(client, YPPROC_MATCH,
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(xdrproc_t)xdr_ypreq_key, &yprk,
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(xdrproc_t)xdr_ypresp_val, &yprv, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_match_host: clnt_call");
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if ( !(r = ypprot_err(yprv.stat)) ) {
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*outvallen = yprv.val.valdat_len;
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*outval = malloc(*outvallen + 1);
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memcpy(*outval, yprv.val.valdat_val, *outvallen);
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(*outval)[*outvallen] = '\0';
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}
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xdr_free((xdrproc_t)xdr_ypresp_val, (char *)&yprv);
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return (r);
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}
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int
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yp_first_host(CLIENT *client, char *indomain, char *inmap, char **outkey,
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int *outkeylen, char **outval, int *outvallen)
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{
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struct ypresp_key_val yprkv;
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struct ypreq_nokey yprnk;
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struct timeval tv;
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int r;
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*outkey = *outval = NULL;
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*outkeylen = *outvallen = 0;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprnk.domain = indomain;
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yprnk.map = inmap;
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memset(&yprkv, 0, sizeof yprkv);
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r = clnt_call(client, YPPROC_FIRST,
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(xdrproc_t)xdr_ypreq_nokey, &yprnk,
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(xdrproc_t)xdr_ypresp_key_val, &yprkv, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_first_host: clnt_call");
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if ( !(r = ypprot_err(yprkv.stat)) ) {
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*outkeylen = yprkv.key.keydat_len;
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*outkey = malloc(*outkeylen+1);
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memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
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(*outkey)[*outkeylen] = '\0';
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*outvallen = yprkv.val.valdat_len;
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*outval = malloc(*outvallen+1);
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memcpy(*outval, yprkv.val.valdat_val, *outvallen);
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(*outval)[*outvallen] = '\0';
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}
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xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)&yprkv);
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return (r);
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}
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int
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yp_next_host(CLIENT *client, char *indomain, char *inmap, char *inkey,
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int inkeylen, char **outkey, int *outkeylen, char **outval, int *outvallen)
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{
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struct ypresp_key_val yprkv;
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struct ypreq_key yprk;
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struct timeval tv;
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int r;
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*outkey = *outval = NULL;
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*outkeylen = *outvallen = 0;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprk.domain = indomain;
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yprk.map = inmap;
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yprk.key.keydat_val = inkey;
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yprk.key.keydat_len = inkeylen;
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memset(&yprkv, 0, sizeof yprkv);
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r = clnt_call(client, YPPROC_NEXT,
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(xdrproc_t)xdr_ypreq_key, &yprk,
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(xdrproc_t)xdr_ypresp_key_val, &yprkv, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_next_host: clnt_call");
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if ( !(r = ypprot_err(yprkv.stat)) ) {
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*outkeylen = yprkv.key.keydat_len;
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*outkey = malloc(*outkeylen+1);
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memcpy(*outkey, yprkv.key.keydat_val, *outkeylen);
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(*outkey)[*outkeylen] = '\0';
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*outvallen = yprkv.val.valdat_len;
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*outval = malloc(*outvallen+1);
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memcpy(*outval, yprkv.val.valdat_val, *outvallen);
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(*outval)[*outvallen] = '\0';
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}
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xdr_free((xdrproc_t)xdr_ypresp_key_val, (char *)&yprkv);
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return (r);
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}
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int
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yp_all_host(CLIENT *client, char *indomain, char *inmap,
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struct ypall_callback *incallback)
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{
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struct ypreq_nokey yprnk;
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struct timeval tv;
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u_long status;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprnk.domain = indomain;
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yprnk.map = inmap;
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ypresp_allfn = incallback->foreach;
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ypresp_data = (void *)incallback->data;
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(void) clnt_call(client, YPPROC_ALL,
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(xdrproc_t)xdr_ypreq_nokey, &yprnk,
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(xdrproc_t)xdr_ypresp_all_seq, &status, tv);
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if (status != YP_FALSE)
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return ypprot_err(status);
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return (0);
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}
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int
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yp_order_host(CLIENT *client, char *indomain, char *inmap, u_int32_t *outorder)
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{
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struct ypresp_order ypro;
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struct ypreq_nokey yprnk;
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struct timeval tv;
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int r;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprnk.domain = indomain;
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yprnk.map = inmap;
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memset(&ypro, 0, sizeof ypro);
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r = clnt_call(client, YPPROC_ORDER,
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(xdrproc_t)xdr_ypreq_nokey, &yprnk,
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(xdrproc_t)xdr_ypresp_order, &ypro, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_order_host: clnt_call");
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*outorder = ypro.ordernum;
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xdr_free((xdrproc_t)xdr_ypresp_order, (char *)&ypro);
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return ypprot_err(ypro.stat);
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}
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int
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yp_master_host(CLIENT *client, char *indomain, char *inmap, char **outname)
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{
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struct ypresp_master yprm;
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struct ypreq_nokey yprnk;
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struct timeval tv;
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int r;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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yprnk.domain = indomain;
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yprnk.map = inmap;
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memset(&yprm, 0, sizeof yprm);
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r = clnt_call(client, YPPROC_MASTER,
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(xdrproc_t)xdr_ypreq_nokey, &yprnk,
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(xdrproc_t)xdr_ypresp_master, &yprm, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_master: clnt_call");
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if (!(r = ypprot_err(yprm.stat)))
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*outname = strdup(yprm.peer);
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xdr_free((xdrproc_t)xdr_ypresp_master, (char *)&yprm);
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return (r);
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}
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int
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yp_maplist_host(CLIENT *client, char *indomain, struct ypmaplist **outmaplist)
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{
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struct ypresp_maplist ypml;
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struct timeval tv;
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int r;
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tv.tv_sec = _yplib_host_timeout;
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tv.tv_usec = 0;
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memset(&ypml, 0, sizeof ypml);
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r = clnt_call(client, YPPROC_MAPLIST,
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(xdrproc_t)xdr_domainname, &indomain,
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(xdrproc_t)xdr_ypresp_maplist, &ypml, tv);
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if (r != RPC_SUCCESS)
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clnt_perror(client, "yp_maplist: clnt_call");
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*outmaplist = ypml.maps;
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|
|
/* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
|
||
|
|
|
||
|
|
return ypprot_err(ypml.stat);
|
||
|
|
}
|