Home | History | Annotate | Line # | Download | only in common
yplib_host.c revision 1.1.1.1
      1 /*	$NetBSD: yplib_host.c,v 1.1.1.1 1996/08/09 10:14:51 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt (at) theos.com>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Theo de Raadt.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     22  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     23  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     25  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #include <sys/param.h>
     35 #include <sys/types.h>
     36 #include <sys/socket.h>
     37 #include <sys/file.h>
     38 #include <sys/uio.h>
     39 
     40 #include <netinet/in.h>
     41 #include <arpa/inet.h>
     42 
     43 #include <errno.h>
     44 #include <stdio.h>
     45 #include <stdlib.h>
     46 #include <string.h>
     47 #include <netdb.h>
     48 #include <unistd.h>
     49 
     50 #include <rpc/rpc.h>
     51 #include <rpc/xdr.h>
     52 #include <rpcsvc/yp_prot.h>
     53 #include <rpcsvc/ypclnt.h>
     54 
     55 struct timeval _yplib_host_timeout = { 10, 0 };
     56 
     57 CLIENT *
     58 yp_bind_host(server, program, version, port, usetcp)
     59 	char *server;
     60 	u_int program, version;
     61 	u_short port;
     62 	int usetcp;
     63 {
     64 	struct sockaddr_in rsrv_sin;
     65 	int rsrv_sock;
     66 	struct hostent *h;
     67 	static CLIENT *client;
     68 
     69 	memset(&rsrv_sin, 0, sizeof rsrv_sin);
     70 	rsrv_sin.sin_len = sizeof rsrv_sin;
     71 	rsrv_sin.sin_family = AF_INET;
     72 	rsrv_sock = RPC_ANYSOCK;
     73 	if (port != 0) {
     74 		rsrv_sin.sin_port = htons(port);
     75 	}
     76 
     77 	if (isdigit(*server)) {
     78 		if (inet_aton(server,&rsrv_sin.sin_addr) == 0) {
     79 			errx(1, "invalid IP address `%s'", server);
     80 		}
     81 	} else {
     82 		h = gethostbyname(server);
     83 		if(h == NULL) {
     84 			errx(1, "unknown host `%s'", server);
     85 		}
     86 		memcpy(&rsrv_sin.sin_addr.s_addr, h->h_addr_list[0],
     87 		    h->h_length);
     88 	}
     89 
     90 	if (usetcp)
     91 		client = clnttcp_create(&rsrv_sin, program, version,
     92 		    &rsrv_sock, 0, 0);
     93 	else
     94 		client = clntudp_create(&rsrv_sin, program, version,
     95 		    _yplib_host_timeout, &rsrv_sock);
     96 
     97 	if (client == NULL)
     98 		errx(1, "%s: no contact with host `%s'",
     99 		    usetcp ? "clnttcp_create" : "clntudp_create", server);
    100 
    101 	return(client);
    102 }
    103 
    104 CLIENT *
    105 yp_bind_local(program, version)
    106 	u_int program, version;
    107 {
    108 	struct sockaddr_in rsrv_sin;
    109 	int rsrv_sock;
    110 	static CLIENT *client;
    111 
    112 	memset(&rsrv_sin, 0, sizeof rsrv_sin);
    113 	rsrv_sin.sin_len = sizeof rsrv_sin;
    114 	rsrv_sin.sin_family = AF_INET;
    115 	rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
    116 	rsrv_sock = RPC_ANYSOCK;
    117 
    118 	client = clntudp_create(&rsrv_sin, program, version,
    119 	    _yplib_host_timeout, &rsrv_sock);
    120 	if (client == NULL)
    121 		errx(1, "clntudp_create: no contact with localhost");
    122 
    123 	return(client);
    124 }
    125 
    126 int
    127 yp_match_host(client, indomain, inmap, inkey, inkeylen, outval, outvallen)
    128 	CLIENT *client;
    129 	char *indomain;
    130 	char *inmap;
    131 	const char *inkey;
    132 	int inkeylen;
    133 	char **outval;
    134 	int *outvallen;
    135 {
    136 	struct ypresp_val yprv;
    137 	struct ypreq_key yprk;
    138 	int r;
    139 
    140 	*outval = NULL;
    141 	*outvallen = 0;
    142 
    143 	yprk.domain = indomain;
    144 	yprk.map = inmap;
    145 	yprk.keydat.dptr = (char *)inkey;
    146 	yprk.keydat.dsize = inkeylen;
    147 
    148 	memset(&yprv, 0, sizeof yprv);
    149 
    150 	r = clnt_call(client, YPPROC_MATCH, xdr_ypreq_key, &yprk,
    151 	    xdr_ypresp_val, &yprv, _yplib_host_timeout);
    152 	if(r != RPC_SUCCESS)
    153 		clnt_perror(client, "yp_match_host: clnt_call");
    154 
    155 	if(!(r=ypprot_err(yprv.status)) ) {
    156 		*outvallen = yprv.valdat.dsize;
    157 		*outval = (char *)malloc(*outvallen+1);
    158 		memcpy(*outval, yprv.valdat.dptr, *outvallen);
    159 		(*outval)[*outvallen] = '\0';
    160 	}
    161 	xdr_free(xdr_ypresp_val, (char *)&yprv);
    162 	return r;
    163 }
    164 
    165 int
    166 yp_first_host(client, indomain, inmap, outkey, outkeylen, outval, outvallen)
    167 	CLIENT *client;
    168 	char *indomain;
    169 	char *inmap;
    170 	char **outkey;
    171 	int *outkeylen;
    172 	char **outval;
    173 	int *outvallen;
    174 {
    175 	struct ypresp_key_val yprkv;
    176 	struct ypreq_nokey yprnk;
    177 	int r;
    178 
    179 	*outkey = *outval = NULL;
    180 	*outkeylen = *outvallen = 0;
    181 
    182 	yprnk.domain = indomain;
    183 	yprnk.map = inmap;
    184 	memset(&yprkv, 0, sizeof yprkv);
    185 
    186 	r = clnt_call(client, YPPROC_FIRST, xdr_ypreq_nokey, &yprnk,
    187 	    xdr_ypresp_key_val, &yprkv, _yplib_host_timeout);
    188 	if (r != RPC_SUCCESS)
    189 		clnt_perror(client, "yp_first_host: clnt_call");
    190 
    191 	if(!(r=ypprot_err(yprkv.status)) ) {
    192 		*outkeylen = yprkv.keydat.dsize;
    193 		*outkey = (char *)malloc(*outkeylen+1);
    194 		memcpy(*outkey, yprkv.keydat.dptr, *outkeylen);
    195 		(*outkey)[*outkeylen] = '\0';
    196 		*outvallen = yprkv.valdat.dsize;
    197 		*outval = (char *)malloc(*outvallen+1);
    198 		memcpy(*outval, yprkv.valdat.dptr, *outvallen);
    199 		(*outval)[*outvallen] = '\0';
    200 	}
    201 	xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
    202 	return r;
    203 }
    204 
    205 int
    206 yp_next_host(client, indomain, inmap, inkey, inkeylen, outkey,
    207     outkeylen, outval, outvallen)
    208 	CLIENT *client;
    209 	char *indomain;
    210 	char *inmap;
    211 	char *inkey;
    212 	int inkeylen;
    213 	char **outkey;
    214 	int *outkeylen;
    215 	char **outval;
    216 	int *outvallen;
    217 {
    218 	struct ypresp_key_val yprkv;
    219 	struct ypreq_key yprk;
    220 	int r;
    221 
    222 	*outkey = *outval = NULL;
    223 	*outkeylen = *outvallen = 0;
    224 
    225 	yprk.domain = indomain;
    226 	yprk.map = inmap;
    227 	yprk.keydat.dptr = inkey;
    228 	yprk.keydat.dsize = inkeylen;
    229 	memset(&yprkv, 0, sizeof yprkv);
    230 
    231 	r = clnt_call(client, YPPROC_NEXT, xdr_ypreq_key, &yprk,
    232 	    xdr_ypresp_key_val, &yprkv, _yplib_host_timeout);
    233 	if (r != RPC_SUCCESS)
    234 		clnt_perror(client, "yp_next_host: clnt_call");
    235 
    236 	if(!(r=ypprot_err(yprkv.status)) ) {
    237 		*outkeylen = yprkv.keydat.dsize;
    238 		*outkey = (char *)malloc(*outkeylen+1);
    239 		memcpy(*outkey, yprkv.keydat.dptr, *outkeylen);
    240 		(*outkey)[*outkeylen] = '\0';
    241 		*outvallen = yprkv.valdat.dsize;
    242 		*outval = (char *)malloc(*outvallen+1);
    243 		memcpy(*outval, yprkv.valdat.dptr, *outvallen);
    244 		(*outval)[*outvallen] = '\0';
    245 	}
    246 	xdr_free(xdr_ypresp_key_val, (char *)&yprkv);
    247 	return r;
    248 }
    249 
    250 int
    251 yp_all_host(client, indomain, inmap, incallback)
    252 	CLIENT *client;
    253 	char *indomain;
    254 	char *inmap;
    255 	struct ypall_callback *incallback;
    256 {
    257 	struct ypreq_nokey yprnk;
    258 	int status;
    259 
    260 	yprnk.domain = indomain;
    261 	yprnk.map = inmap;
    262 
    263 	status = clnt_call(client, YPPROC_ALL, xdr_ypreq_nokey, &yprnk,
    264 	    xdr_ypall, (char *)incallback, _yplib_host_timeout);
    265 
    266 	if (status != RPC_SUCCESS)
    267 		return YPERR_RPC;
    268 
    269 	return 0;
    270 }
    271 
    272 int
    273 yp_order_host(client, indomain, inmap, outorder)
    274 	CLIENT *client;
    275 	char *indomain;
    276 	char *inmap;
    277 	int *outorder;
    278 {
    279 	struct ypresp_order ypro;
    280 	struct ypreq_nokey yprnk;
    281 	int r;
    282 
    283 	yprnk.domain = indomain;
    284 	yprnk.map = inmap;
    285 
    286 	memset(&ypro, 0, sizeof ypro);
    287 
    288 	r = clnt_call(client, YPPROC_ORDER, xdr_ypreq_nokey, &yprnk,
    289 	    xdr_ypresp_order, &ypro, _yplib_host_timeout);
    290 	if(r != RPC_SUCCESS)
    291 		clnt_perror(client, "yp_order_host: clnt_call");
    292 
    293 	*outorder = ypro.ordernum;
    294 	xdr_free(xdr_ypresp_order, (char *)&ypro);
    295 	return ypprot_err(ypro.status);
    296 }
    297 
    298 int
    299 yp_master_host(client, indomain, inmap, outname)
    300 	CLIENT *client;
    301 	char *indomain;
    302 	char *inmap;
    303 	char **outname;
    304 {
    305 	struct ypresp_master yprm;
    306 	struct ypreq_nokey yprnk;
    307 	int r;
    308 
    309 	yprnk.domain = indomain;
    310 	yprnk.map = inmap;
    311 
    312 	memset(&yprm, 0, sizeof yprm);
    313 
    314 	r = clnt_call(client, YPPROC_MASTER, xdr_ypreq_nokey, &yprnk,
    315 	    xdr_ypresp_master, &yprm, _yplib_host_timeout);
    316 	if (r != RPC_SUCCESS)
    317 		clnt_perror(client, "yp_master: clnt_call");
    318 
    319 	if(!(r=ypprot_err(yprm.status)) ) {
    320 		*outname = (char *)strdup(yprm.master);
    321 	}
    322 	xdr_free(xdr_ypresp_master, (char *)&yprm);
    323 	return r;
    324 }
    325 
    326 int
    327 yp_maplist_host(client, indomain, outmaplist)
    328 	CLIENT *client;
    329 	char *indomain;
    330 	struct ypmaplist **outmaplist;
    331 {
    332 	struct ypresp_maplist ypml;
    333 	int r;
    334 
    335 	memset(&ypml, 0, sizeof ypml);
    336 
    337 	r = clnt_call(client, YPPROC_MAPLIST, xdr_ypdomain_wrap_string,
    338 	    indomain, xdr_ypresp_maplist, &ypml, _yplib_host_timeout);
    339 	if (r != RPC_SUCCESS)
    340 		clnt_perror(client, "yp_maplist: clnt_call");
    341 
    342 	*outmaplist = ypml.list;
    343 	/* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/
    344 	return ypprot_err(ypml.status);
    345 }
    346