1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> 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. The name of the author may not be used to endorse or promote 16 * products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _RPCSVC_YP_PROT_H_ 33 #define _RPCSVC_YP_PROT_H_ 34 35 /* 36 * YPSERV PROTOCOL: 37 * 38 * ypserv supports the following procedures: 39 * 40 * YPPROC_NULL takes (void), returns (void). 41 * called to check if server is alive. 42 * YPPROC_DOMAIN takes (char *), returns (bool_t). 43 * true if ypserv serves the named domain. 44 * YPPROC_DOMAIN_NOACK takes (char *), returns (bool_t). 45 * true if ypserv serves the named domain. 46 * used for broadcasts, does not ack if ypserv 47 * doesn't handle named domain. 48 * YPPROC_MATCH takes (struct ypreq_key), returns (struct ypresp_val) 49 * does a lookup. 50 * YPPROC_FIRST takes (struct ypreq_nokey) returns (ypresp_key_val). 51 * gets the first key/datum from the map. 52 * YPPROC_NEXT takes (struct ypreq_key) returns (ypresp_key_val). 53 * gets the next key/datum from the map. 54 * YPPROC_XFR takes (struct ypreq_xfr), returns (void). 55 * tells ypserv to check if there is a new version of 56 * the map. 57 * YPPROC_CLEAR takes (void), returns (void). 58 * tells ypserv to flush it's file cache, so that 59 * newly transferred files will get read. 60 * YPPROC_ALL takes (struct ypreq_nokey), returns (bool_t and 61 * struct ypresp_key_val). 62 * returns an array of data, with the bool_t being 63 * false on the last datum. read the source, it's 64 * convoluted. 65 * YPPROC_MASTER takes (struct ypreq_nokey), returns (ypresp_master). 66 * YPPROC_ORDER takes (struct ypreq_nokey), returns (ypresp_order). 67 * YPPROC_MAPLIST takes (char *), returns (struct ypmaplist *). 68 */ 69 70 #ifndef BOOL_DEFINED 71 typedef u_int bool; 72 #define BOOL_DEFINED 73 #endif 74 75 /* Program and version symbols, magic numbers */ 76 77 #define YPPROG ((u_long)100004) 78 #define YPVERS ((u_long)2) 79 #define YPVERS_ORIG ((u_long)1) 80 #define YPMAXRECORD ((u_long)16 * 1024 * 1024) 81 #define YPMAXDOMAIN ((u_long)64) 82 #define YPMAXMAP ((u_long)64) 83 #define YPMAXPEER ((u_long)256) 84 85 /* 86 * I don't know if anything of sun's depends on this, or if they 87 * simply defined it so that their own code wouldn't try to send 88 * packets over the ethernet MTU. This YP code doesn't use it. 89 */ 90 #define YPMSGSZ 1600 91 92 #ifndef DATUM 93 typedef struct { 94 char *dptr; 95 int dsize; 96 } datum; 97 #define DATUM 98 #endif 99 100 struct ypmap_parms { 101 char *domain; 102 char *map; 103 u_int ordernum; 104 char *owner; 105 }; 106 107 struct ypreq_key { 108 char *domain; 109 char *map; 110 datum keydat; 111 }; 112 113 struct ypreq_nokey { 114 char *domain; 115 char *map; 116 }; 117 118 struct ypreq_xfr { 119 struct ypmap_parms map_parms; 120 u_int transid; 121 u_int proto; 122 u_int port; 123 }; 124 #define ypxfr_domain map_parms.domain 125 #define ypxfr_map map_parms.map 126 #define ypxfr_ordernum map_parms.ordernum 127 #define ypxfr_owner map_parms.owner 128 129 struct ypresp_val { 130 u_int status; 131 datum valdat; 132 }; 133 134 struct ypresp_key_val { 135 u_int status; 136 datum keydat; 137 datum valdat; 138 }; 139 140 struct ypresp_master { 141 u_int status; 142 char *master; 143 }; 144 145 struct ypresp_order { 146 u_int status; 147 u_int ordernum; 148 }; 149 150 struct ypmaplist { 151 char *ypml_name; 152 struct ypmaplist *ypml_next; 153 }; 154 155 struct ypresp_maplist { 156 u_int status; 157 struct ypmaplist *list; 158 }; 159 160 /* ypserv procedure numbers */ 161 #define YPPROC_NULL ((u_long)0) 162 #define YPPROC_DOMAIN ((u_long)1) 163 #define YPPROC_DOMAIN_NONACK ((u_long)2) 164 #define YPPROC_MATCH ((u_long)3) 165 #define YPPROC_FIRST ((u_long)4) 166 #define YPPROC_NEXT ((u_long)5) 167 #define YPPROC_XFR ((u_long)6) 168 #define YPPROC_CLEAR ((u_long)7) 169 #define YPPROC_ALL ((u_long)8) 170 #define YPPROC_MASTER ((u_long)9) 171 #define YPPROC_ORDER ((u_long)10) 172 #define YPPROC_MAPLIST ((u_long)11) 173 174 /* ypserv procedure return status values */ 175 #define YP_TRUE ((long)1) /* general purpose success code */ 176 #define YP_NOMORE ((long)2) /* no more entries in map */ 177 #define YP_FALSE ((long)0) /* general purpose failure code */ 178 #define YP_NOMAP ((long)-1) /* no such map in domain */ 179 #define YP_NODOM ((long)-2) /* domain not supported */ 180 #define YP_NOKEY ((long)-3) /* no such key in map */ 181 #define YP_BADOP ((long)-4) /* invalid operation */ 182 #define YP_BADDB ((long)-5) /* server data base is bad */ 183 #define YP_YPERR ((long)-6) /* YP server error */ 184 #define YP_BADARGS ((long)-7) /* request arguments bad */ 185 #define YP_VERS ((long)-8) /* YP server version mismatch */ 186 187 /* 188 * Sun's header file says: 189 * "Domain binding data structure, used by ypclnt package and ypserv modules. 190 * Users of the ypclnt package (or of this protocol) don't HAVE to know about 191 * it, but it must be available to users because _yp_dobind is a public 192 * interface." 193 * 194 * This is totally bogus! Nowhere else does Sun state that _yp_dobind() is 195 * a public interface, and I don't know any reason anyone would want to call 196 * it. But, just in case anyone does actually expect it to be available.. 197 * we provide this.. exactly as Sun wants it. 198 */ 199 struct dom_binding { 200 struct dom_binding *dom_pnext; 201 char dom_domain[YPMAXDOMAIN + 1]; 202 struct sockaddr_in dom_server_addr; 203 u_short dom_server_port; 204 int dom_socket; 205 CLIENT *dom_client; 206 u_short dom_local_port; 207 long dom_vers; 208 }; 209 210 /* 211 * YPBIND PROTOCOL: 212 * 213 * ypbind supports the following procedures: 214 * 215 * YPBINDPROC_NULL takes (void), returns (void). 216 * to check if ypbind is running. 217 * YPBINDPROC_DOMAIN takes (char *), returns (struct ypbind_resp). 218 * requests that ypbind start to serve the 219 * named domain (if it doesn't already) 220 * YPBINDPROC_SETDOM takes (struct ypbind_setdom), returns (void). 221 * used by ypset. 222 */ 223 224 #define YPBINDPROG ((u_long)100007) 225 #define YPBINDVERS ((u_long)2) 226 #define YPBINDVERS_ORIG ((u_long)1) 227 228 /* ypbind procedure numbers */ 229 #define YPBINDPROC_NULL ((u_long)0) 230 #define YPBINDPROC_DOMAIN ((u_long)1) 231 #define YPBINDPROC_SETDOM ((u_long)2) 232 233 /* error code in ypbind_resp.ypbind_status */ 234 enum ypbind_resptype { 235 YPBIND_SUCC_VAL = 1, 236 YPBIND_FAIL_VAL = 2 237 }; 238 239 /* network order, of course */ 240 struct ypbind_binding { 241 struct in_addr ypbind_binding_addr; 242 u_short ypbind_binding_port; 243 }; 244 245 struct ypbind_resp { 246 enum ypbind_resptype ypbind_status; 247 union { 248 u_int ypbind_error; 249 struct ypbind_binding ypbind_bindinfo; 250 } ypbind_respbody; 251 }; 252 253 /* error code in ypbind_resp.ypbind_respbody.ypbind_error */ 254 #define YPBIND_ERR_ERR 1 /* internal error */ 255 #define YPBIND_ERR_NOSERV 2 /* no bound server for passed domain */ 256 #define YPBIND_ERR_RESC 3 /* system resource allocation failure */ 257 258 /* 259 * Request data structure for ypbind "Set domain" procedure. 260 */ 261 struct ypbind_setdom { 262 char ypsetdom_domain[YPMAXDOMAIN + 1]; 263 struct ypbind_binding ypsetdom_binding; 264 u_int ypsetdom_vers; 265 }; 266 #define ypsetdom_addr ypsetdom_binding.ypbind_binding_addr 267 #define ypsetdom_port ypsetdom_binding.ypbind_binding_port 268 269 /* 270 * YPPUSH PROTOCOL: 271 * 272 * Sun says: 273 * "Protocol between clients (ypxfr, only) and yppush 274 * yppush speaks a protocol in the transient range, which 275 * is supplied to ypxfr as a command-line parameter when it 276 * is activated by ypserv." 277 * 278 * This protocol is not implemented, naturally, because this YP 279 * implementation only does the client side. 280 */ 281 #define YPPUSHVERS ((u_long)1) 282 #define YPPUSHVERS_ORIG ((u_long)1) 283 284 /* yppush procedure numbers */ 285 #define YPPUSHPROC_NULL ((u_long)0) 286 #define YPPUSHPROC_XFRRESP ((u_long)1) 287 288 struct yppushresp_xfr { 289 u_int transid; 290 u_int status; 291 }; 292 293 /* yppush status value in yppushresp_xfr.status */ 294 #define YPPUSH_SUCC ((long)1) /* Success */ 295 #define YPPUSH_AGE ((long)2) /* Master's version not newer */ 296 #define YPPUSH_NOMAP ((long)-1) /* Can't find server for map */ 297 #define YPPUSH_NODOM ((long)-2) /* Domain not supported */ 298 #define YPPUSH_RSRC ((long)-3) /* Local resource alloc failure */ 299 #define YPPUSH_RPC ((long)-4) /* RPC failure talking to server */ 300 #define YPPUSH_MADDR ((long)-5) /* Can't get master address */ 301 #define YPPUSH_YPERR ((long)-6) /* YP server/map db error */ 302 #define YPPUSH_BADARGS ((long)-7) /* Request arguments bad */ 303 #define YPPUSH_DBM ((long)-8) /* Local dbm operation failed */ 304 #define YPPUSH_FILE ((long)-9) /* Local file I/O operation failed */ 305 #define YPPUSH_SKEW ((long)-10) /* Map version skew during transfer */ 306 #define YPPUSH_CLEAR ((long)-11) /* Can't send "Clear" req to local ypserv */ 307 #define YPPUSH_FORCE ((long)-12) /* No local order number in map - use -f */ 308 #define YPPUSH_XFRERR ((long)-13) /* ypxfr error */ 309 #define YPPUSH_REFUSED ((long)-14) /* Transfer request refused by ypserv */ 310 311 struct inaddr; 312 __BEGIN_DECLS 313 bool_t xdr_datum(XDR *, datum *); 314 bool_t xdr_ypreq_key(XDR *, struct ypreq_key *); 315 bool_t xdr_ypreq_nokey(XDR *, struct ypreq_nokey *); 316 bool_t xdr_ypreq_xfr(XDR *, struct ypreq_xfr *); 317 bool_t xdr_ypresp_val(XDR *, struct ypresp_val *); 318 bool_t xdr_ypresp_key_val(XDR *, struct ypresp_key_val *); 319 bool_t xdr_ypbind_resp(XDR *, struct ypbind_resp *); 320 bool_t xdr_ypbind_setdom(XDR *, struct ypbind_setdom *); 321 bool_t xdr_yp_inaddr(XDR *, struct inaddr *); 322 bool_t xdr_ypmap_parms(XDR *, struct ypmap_parms *); 323 bool_t xdr_yppushresp_xfr(XDR *, struct yppushresp_xfr *); 324 bool_t xdr_ypresp_order(XDR *, struct ypresp_order *); 325 bool_t xdr_ypresp_master(XDR *, struct ypresp_master *); 326 bool_t xdr_ypresp_maplist(XDR *, struct ypresp_maplist *); 327 __END_DECLS 328 329 #endif /* _RPCSVC_YP_PROT_H_ */ 330