yplib_host.c revision 1.2
1 /* $NetBSD: yplib_host.c,v 1.2 1997/07/18 21:57:03 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 <ctype.h> 44 #include <err.h> 45 #include <errno.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <string.h> 49 #include <netdb.h> 50 #include <unistd.h> 51 52 #include <rpc/rpc.h> 53 #include <rpc/xdr.h> 54 #include <rpcsvc/yp_prot.h> 55 #include <rpcsvc/ypclnt.h> 56 57 #include "yplib_host.h" 58 59 struct timeval _yplib_host_timeout = { 10, 0 }; 60 61 CLIENT * 62 yp_bind_host(server, program, version, port, usetcp) 63 char *server; 64 u_int program, version; 65 u_short port; 66 int usetcp; 67 { 68 struct sockaddr_in rsrv_sin; 69 int rsrv_sock; 70 struct hostent *h; 71 static CLIENT *client; 72 73 memset(&rsrv_sin, 0, sizeof rsrv_sin); 74 rsrv_sin.sin_len = sizeof rsrv_sin; 75 rsrv_sin.sin_family = AF_INET; 76 rsrv_sock = RPC_ANYSOCK; 77 if (port != 0) { 78 rsrv_sin.sin_port = htons(port); 79 } 80 81 if (isdigit(*server)) { 82 if (inet_aton(server,&rsrv_sin.sin_addr) == 0) { 83 errx(1, "invalid IP address `%s'", server); 84 } 85 } else { 86 h = gethostbyname(server); 87 if(h == NULL) { 88 errx(1, "unknown host `%s'", server); 89 } 90 memcpy(&rsrv_sin.sin_addr.s_addr, h->h_addr_list[0], 91 h->h_length); 92 } 93 94 if (usetcp) 95 client = clnttcp_create(&rsrv_sin, program, version, 96 &rsrv_sock, 0, 0); 97 else 98 client = clntudp_create(&rsrv_sin, program, version, 99 _yplib_host_timeout, &rsrv_sock); 100 101 if (client == NULL) 102 errx(1, "%s: no contact with host `%s'", 103 usetcp ? "clnttcp_create" : "clntudp_create", server); 104 105 return(client); 106 } 107 108 CLIENT * 109 yp_bind_local(program, version) 110 u_int program, version; 111 { 112 struct sockaddr_in rsrv_sin; 113 int rsrv_sock; 114 static CLIENT *client; 115 116 memset(&rsrv_sin, 0, sizeof rsrv_sin); 117 rsrv_sin.sin_len = sizeof rsrv_sin; 118 rsrv_sin.sin_family = AF_INET; 119 rsrv_sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); 120 rsrv_sock = RPC_ANYSOCK; 121 122 client = clntudp_create(&rsrv_sin, program, version, 123 _yplib_host_timeout, &rsrv_sock); 124 if (client == NULL) 125 errx(1, "clntudp_create: no contact with localhost"); 126 127 return(client); 128 } 129 130 int 131 yp_match_host(client, indomain, inmap, inkey, inkeylen, outval, outvallen) 132 CLIENT *client; 133 char *indomain; 134 char *inmap; 135 const char *inkey; 136 int inkeylen; 137 char **outval; 138 int *outvallen; 139 { 140 struct ypresp_val yprv; 141 struct ypreq_key yprk; 142 int r; 143 144 *outval = NULL; 145 *outvallen = 0; 146 147 yprk.domain = indomain; 148 yprk.map = inmap; 149 yprk.keydat.dptr = (char *)inkey; 150 yprk.keydat.dsize = inkeylen; 151 152 memset(&yprv, 0, sizeof yprv); 153 154 r = clnt_call(client, YPPROC_MATCH, xdr_ypreq_key, &yprk, 155 xdr_ypresp_val, &yprv, _yplib_host_timeout); 156 if(r != RPC_SUCCESS) 157 clnt_perror(client, "yp_match_host: clnt_call"); 158 159 if(!(r=ypprot_err(yprv.status)) ) { 160 *outvallen = yprv.valdat.dsize; 161 *outval = (char *)malloc(*outvallen+1); 162 memcpy(*outval, yprv.valdat.dptr, *outvallen); 163 (*outval)[*outvallen] = '\0'; 164 } 165 xdr_free(xdr_ypresp_val, (char *)&yprv); 166 return r; 167 } 168 169 int 170 yp_first_host(client, indomain, inmap, outkey, outkeylen, outval, outvallen) 171 CLIENT *client; 172 char *indomain; 173 char *inmap; 174 char **outkey; 175 int *outkeylen; 176 char **outval; 177 int *outvallen; 178 { 179 struct ypresp_key_val yprkv; 180 struct ypreq_nokey yprnk; 181 int r; 182 183 *outkey = *outval = NULL; 184 *outkeylen = *outvallen = 0; 185 186 yprnk.domain = indomain; 187 yprnk.map = inmap; 188 memset(&yprkv, 0, sizeof yprkv); 189 190 r = clnt_call(client, YPPROC_FIRST, xdr_ypreq_nokey, &yprnk, 191 xdr_ypresp_key_val, &yprkv, _yplib_host_timeout); 192 if (r != RPC_SUCCESS) 193 clnt_perror(client, "yp_first_host: clnt_call"); 194 195 if(!(r=ypprot_err(yprkv.status)) ) { 196 *outkeylen = yprkv.keydat.dsize; 197 *outkey = (char *)malloc(*outkeylen+1); 198 memcpy(*outkey, yprkv.keydat.dptr, *outkeylen); 199 (*outkey)[*outkeylen] = '\0'; 200 *outvallen = yprkv.valdat.dsize; 201 *outval = (char *)malloc(*outvallen+1); 202 memcpy(*outval, yprkv.valdat.dptr, *outvallen); 203 (*outval)[*outvallen] = '\0'; 204 } 205 xdr_free(xdr_ypresp_key_val, (char *)&yprkv); 206 return r; 207 } 208 209 int 210 yp_next_host(client, indomain, inmap, inkey, inkeylen, outkey, 211 outkeylen, outval, outvallen) 212 CLIENT *client; 213 char *indomain; 214 char *inmap; 215 char *inkey; 216 int inkeylen; 217 char **outkey; 218 int *outkeylen; 219 char **outval; 220 int *outvallen; 221 { 222 struct ypresp_key_val yprkv; 223 struct ypreq_key yprk; 224 int r; 225 226 *outkey = *outval = NULL; 227 *outkeylen = *outvallen = 0; 228 229 yprk.domain = indomain; 230 yprk.map = inmap; 231 yprk.keydat.dptr = inkey; 232 yprk.keydat.dsize = inkeylen; 233 memset(&yprkv, 0, sizeof yprkv); 234 235 r = clnt_call(client, YPPROC_NEXT, xdr_ypreq_key, &yprk, 236 xdr_ypresp_key_val, &yprkv, _yplib_host_timeout); 237 if (r != RPC_SUCCESS) 238 clnt_perror(client, "yp_next_host: clnt_call"); 239 240 if(!(r=ypprot_err(yprkv.status)) ) { 241 *outkeylen = yprkv.keydat.dsize; 242 *outkey = (char *)malloc(*outkeylen+1); 243 memcpy(*outkey, yprkv.keydat.dptr, *outkeylen); 244 (*outkey)[*outkeylen] = '\0'; 245 *outvallen = yprkv.valdat.dsize; 246 *outval = (char *)malloc(*outvallen+1); 247 memcpy(*outval, yprkv.valdat.dptr, *outvallen); 248 (*outval)[*outvallen] = '\0'; 249 } 250 xdr_free(xdr_ypresp_key_val, (char *)&yprkv); 251 return r; 252 } 253 254 int 255 yp_all_host(client, indomain, inmap, incallback) 256 CLIENT *client; 257 char *indomain; 258 char *inmap; 259 struct ypall_callback *incallback; 260 { 261 struct ypreq_nokey yprnk; 262 int status; 263 264 yprnk.domain = indomain; 265 yprnk.map = inmap; 266 267 status = clnt_call(client, YPPROC_ALL, xdr_ypreq_nokey, &yprnk, 268 xdr_ypall, (char *)incallback, _yplib_host_timeout); 269 270 if (status != RPC_SUCCESS) 271 return YPERR_RPC; 272 273 return 0; 274 } 275 276 int 277 yp_order_host(client, indomain, inmap, outorder) 278 CLIENT *client; 279 char *indomain; 280 char *inmap; 281 int *outorder; 282 { 283 struct ypresp_order ypro; 284 struct ypreq_nokey yprnk; 285 int r; 286 287 yprnk.domain = indomain; 288 yprnk.map = inmap; 289 290 memset(&ypro, 0, sizeof ypro); 291 292 r = clnt_call(client, YPPROC_ORDER, xdr_ypreq_nokey, &yprnk, 293 xdr_ypresp_order, &ypro, _yplib_host_timeout); 294 if(r != RPC_SUCCESS) 295 clnt_perror(client, "yp_order_host: clnt_call"); 296 297 *outorder = ypro.ordernum; 298 xdr_free(xdr_ypresp_order, (char *)&ypro); 299 return ypprot_err(ypro.status); 300 } 301 302 int 303 yp_master_host(client, indomain, inmap, outname) 304 CLIENT *client; 305 char *indomain; 306 char *inmap; 307 char **outname; 308 { 309 struct ypresp_master yprm; 310 struct ypreq_nokey yprnk; 311 int r; 312 313 yprnk.domain = indomain; 314 yprnk.map = inmap; 315 316 memset(&yprm, 0, sizeof yprm); 317 318 r = clnt_call(client, YPPROC_MASTER, xdr_ypreq_nokey, &yprnk, 319 xdr_ypresp_master, &yprm, _yplib_host_timeout); 320 if (r != RPC_SUCCESS) 321 clnt_perror(client, "yp_master: clnt_call"); 322 323 if(!(r=ypprot_err(yprm.status)) ) { 324 *outname = (char *)strdup(yprm.master); 325 } 326 xdr_free(xdr_ypresp_master, (char *)&yprm); 327 return r; 328 } 329 330 int 331 yp_maplist_host(client, indomain, outmaplist) 332 CLIENT *client; 333 char *indomain; 334 struct ypmaplist **outmaplist; 335 { 336 struct ypresp_maplist ypml; 337 int r; 338 339 memset(&ypml, 0, sizeof ypml); 340 341 r = clnt_call(client, YPPROC_MAPLIST, xdr_ypdomain_wrap_string, 342 indomain, xdr_ypresp_maplist, &ypml, _yplib_host_timeout); 343 if (r != RPC_SUCCESS) 344 clnt_perror(client, "yp_maplist: clnt_call"); 345 346 *outmaplist = ypml.list; 347 /* NO: xdr_free(xdr_ypresp_maplist, &ypml);*/ 348 return ypprot_err(ypml.status); 349 } 350
Indexes created Sun Oct 12 05:10:08 GMT 2025