1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 * 26 * Database-speficic definitions for the getXXXbyYYY routines 27 * (e.g getpwuid_r(), ether_ntohost()) that use the name-service switch. 28 * Database-independent definitions are in <nss_common.h> 29 * 30 * Ideally, this is the only switch header file one would add things 31 * to in order to support a new database. 32 * 33 * NOTE: The interfaces documented in this file may change in a minor 34 * release. It is intended that in the future a stronger committment 35 * will be made to these interface definitions which will guarantee 36 * them across minor releases. 37 */ 38 39 #ifndef _NSS_DBDEFS_H 40 #define _NSS_DBDEFS_H 41 42 #pragma ident "%Z%%M% %I% %E% SMI" 43 44 #include <errno.h> 45 #include <netdb.h> /* MAXALIASES, MAXADDRS */ 46 #include <limits.h> /* LOGNAME_MAX */ 47 #include <nss_common.h> 48 49 #ifdef __cplusplus 50 extern "C" { 51 #endif 52 53 #ifndef NSS_INCLUDE_UNSAFE 54 #define NSS_INCLUDE_UNSAFE 1 /* Build old, MT-unsafe interfaces, */ 55 #endif /* NSS_INCLUDE_UNSAFE */ /* e.g. getpwnam (c.f. getpwnam_r) */ 56 57 /* 58 * Names of the well-known databases. 59 */ 60 61 #define NSS_DBNAM_ALIASES "aliases" /* E-mail aliases, that is */ 62 #define NSS_DBNAM_AUTOMOUNT "automount" 63 #define NSS_DBNAM_BOOTPARAMS "bootparams" 64 #define NSS_DBNAM_ETHERS "ethers" 65 #define NSS_DBNAM_GROUP "group" 66 #define NSS_DBNAM_HOSTS "hosts" 67 #define NSS_DBNAM_IPNODES "ipnodes" 68 #define NSS_DBNAM_NETGROUP "netgroup" 69 #define NSS_DBNAM_NETMASKS "netmasks" 70 #define NSS_DBNAM_NETWORKS "networks" 71 #define NSS_DBNAM_PASSWD "passwd" 72 #define NSS_DBNAM_PRINTERS "printers" 73 #define NSS_DBNAM_PROJECT "project" 74 #define NSS_DBNAM_PROTOCOLS "protocols" 75 #define NSS_DBNAM_PUBLICKEY "publickey" 76 #define NSS_DBNAM_RPC "rpc" 77 #define NSS_DBNAM_SERVICES "services" 78 #define NSS_DBNAM_AUDITUSER "audit_user" 79 #define NSS_DBNAM_AUTHATTR "auth_attr" 80 #define NSS_DBNAM_EXECATTR "exec_attr" 81 #define NSS_DBNAM_PROFATTR "prof_attr" 82 #define NSS_DBNAM_USERATTR "user_attr" 83 84 /* getspnam() et al use the "passwd" config entry but the "shadow" backend */ 85 #define NSS_DBNAM_SHADOW "shadow" 86 87 /* The "compat" backend gets config entries for these pseudo-databases */ 88 #define NSS_DBNAM_PASSWD_COMPAT "passwd_compat" 89 #define NSS_DBNAM_GROUP_COMPAT "group_compat" 90 91 /* 92 * Default switch configuration, compiled into the front-ends. 93 * 94 * Absent good reasons to the contrary, this should be compatible with the 95 * default /etc/nsswitch.conf file. 96 */ 97 #define NSS_FILES_ONLY "files" 98 #define NSS_FILES_NS "files nis" 99 #define NSS_NS_FALLBACK "nis [NOTFOUND=return] files" 100 #define NSS_NS_ONLY "nis" 101 102 #define NSS_DEFCONF_ALIASES NSS_FILES_NS 103 #define NSS_DEFCONF_AUTOMOUNT NSS_FILES_NS 104 #define NSS_DEFCONF_BOOTPARAMS NSS_NS_FALLBACK 105 #define NSS_DEFCONF_ETHERS NSS_NS_FALLBACK 106 #define NSS_DEFCONF_GROUP NSS_FILES_NS 107 #define NSS_DEFCONF_HOSTS NSS_NS_FALLBACK 108 #define NSS_DEFCONF_IPNODES NSS_NS_FALLBACK 109 #define NSS_DEFCONF_NETGROUP NSS_NS_ONLY 110 #define NSS_DEFCONF_NETMASKS NSS_NS_FALLBACK 111 #define NSS_DEFCONF_NETWORKS NSS_NS_FALLBACK 112 #define NSS_DEFCONF_PASSWD NSS_FILES_NS 113 #define NSS_DEFCONF_PRINTERS "user files nis nisplus" 114 #define NSS_DEFCONF_PROJECT NSS_FILES_NS 115 #define NSS_DEFCONF_PROTOCOLS NSS_NS_FALLBACK 116 #define NSS_DEFCONF_PUBLICKEY NSS_FILES_NS 117 #define NSS_DEFCONF_RPC NSS_NS_FALLBACK 118 #define NSS_DEFCONF_SERVICES NSS_FILES_NS /* speeds up byname() */ 119 120 #define NSS_DEFCONF_GROUP_COMPAT NSS_NS_ONLY 121 #define NSS_DEFCONF_PASSWD_COMPAT NSS_NS_ONLY 122 123 #define NSS_DEFCONF_ATTRDB NSS_FILES_NS 124 125 #define NSS_DEFCONF_AUDITUSER NSS_DEFCONF_PASSWD 126 #define NSS_DEFCONF_USERATTR NSS_DEFCONF_PASSWD 127 #define NSS_DEFCONF_AUTHATTR NSS_DEFCONF_ATTRDB 128 #define NSS_DEFCONF_PROFATTR NSS_DEFCONF_ATTRDB 129 #define NSS_DEFCONF_EXECATTR NSS_DEFCONF_PROFATTR 130 131 /* 132 * Line-lengths that the "files" and "compat" backends will try to support. 133 * It may be reasonable (even advisable) to use smaller values than these. 134 */ 135 136 #define NSS_BUFSIZ 1024 137 138 #define NSS_LINELEN_GROUP ((NSS_BUFSIZ) * 4) 139 #define NSS_LINELEN_HOSTS ((NSS_BUFSIZ) * 8) 140 #define NSS_LINELEN_IPNODES ((NSS_BUFSIZ) * 8) 141 #define NSS_LINELEN_NETMASKS NSS_BUFSIZ 142 #define NSS_LINELEN_NETWORKS NSS_BUFSIZ 143 #define NSS_LINELEN_PASSWD NSS_BUFSIZ 144 #define NSS_LINELEN_PRINTERS NSS_BUFSIZ 145 #define NSS_LINELEN_PROJECT ((NSS_BUFSIZ) * 4) 146 #define NSS_LINELEN_PROTOCOLS NSS_BUFSIZ 147 #define NSS_LINELEN_PUBLICKEY NSS_BUFSIZ 148 #define NSS_LINELEN_RPC NSS_BUFSIZ 149 #define NSS_LINELEN_SERVICES NSS_BUFSIZ 150 #define NSS_LINELEN_SHADOW NSS_BUFSIZ 151 #define NSS_LINELEN_ETHERS NSS_BUFSIZ 152 #define NSS_LINELEN_BOOTPARAMS NSS_BUFSIZ 153 154 #define NSS_LINELEN_ATTRDB NSS_BUFSIZ 155 156 #define NSS_LINELEN_AUDITUSER NSS_LINELEN_ATTRDB 157 #define NSS_LINELEN_AUTHATTR NSS_LINELEN_ATTRDB 158 #define NSS_LINELEN_EXECATTR NSS_LINELEN_ATTRDB 159 #define NSS_LINELEN_PROFATTR NSS_LINELEN_ATTRDB 160 #define NSS_LINELEN_USERATTR NSS_LINELEN_ATTRDB 161 162 #define NSS_MMAPLEN_EXECATTR NSS_LINELEN_EXECATTR * 8 163 164 /* 165 * Reasonable defaults for 'buflen' values passed to _r functions. The BSD 166 * and SunOS 4.x implementations of the getXXXbyYYY() functions used hard- 167 * coded array sizes; the values here are meant to handle anything that 168 * those implementations handled. 169 * === These might more reasonably go in <pwd.h>, <netdb.h> et al 170 */ 171 172 #define NSS_BUFLEN_GROUP (NSS_LINELEN_GROUP + 800 * sizeof (char *)) 173 #define NSS_BUFLEN_HOSTS \ 174 (NSS_LINELEN_HOSTS + (MAXALIASES + MAXADDRS + 2) * sizeof (char *)) 175 #define NSS_BUFLEN_IPNODES \ 176 (NSS_LINELEN_IPNODES + (MAXALIASES + MAXADDRS + 2) * sizeof (char *)) 177 #define NSS_BUFLEN_NETGROUP (MAXHOSTNAMELEN * 2 + LOGNAME_MAX + 3) 178 #define NSS_BUFLEN_NETWORKS NSS_LINELEN_NETWORKS /* === ? + 35 * 4 */ 179 #define NSS_BUFLEN_PASSWD NSS_LINELEN_PASSWD 180 #define NSS_BUFLEN_PROJECT (NSS_LINELEN_PROJECT + 800 * sizeof (char *)) 181 #define NSS_BUFLEN_PROTOCOLS NSS_LINELEN_PROTOCOLS /* === ? + 35 * 4 */ 182 #define NSS_BUFLEN_PUBLICKEY NSS_LINELEN_PUBLICKEY 183 #define NSS_BUFLEN_RPC NSS_LINELEN_RPC /* === ? + 35 * 4 */ 184 #define NSS_BUFLEN_SERVICES NSS_LINELEN_SERVICES /* === ? + 35 * 4 */ 185 #define NSS_BUFLEN_SHADOW NSS_LINELEN_SHADOW 186 #define NSS_BUFLEN_ETHERS NSS_LINELEN_ETHERS 187 #define NSS_BUFLEN_BOOTPARAMS NSS_LINELEN_BOOTPARAMS 188 189 #define NSS_BUFLEN_ATTRDB NSS_LINELEN_ATTRDB 190 191 #define NSS_BUFLEN_AUDITUSER NSS_BUFLEN_ATTRDB 192 #define NSS_BUFLEN_AUTHATTR NSS_BUFLEN_ATTRDB 193 #define NSS_BUFLEN_EXECATTR NSS_BUFLEN_ATTRDB 194 #define NSS_BUFLEN_PROFATTR NSS_BUFLEN_ATTRDB 195 #define NSS_BUFLEN_USERATTR NSS_BUFLEN_ATTRDB 196 197 198 /* 199 * Arguments and results, passed between the frontends and backends for 200 * the well-known databases. The getXbyY_r() and getXent_r() routines 201 * use a common format that is further described below; other routines 202 * use their own formats. 203 */ 204 205 /* 206 * The initgroups() function [see initgroups(3c)] needs to find all the 207 * groups to which a given user belongs. To do this it calls 208 * _getgroupsbymember(), which is part of the frontend for the "group" 209 * database. 210 * We want the same effect as if we used getgrent_r() to enumerate the 211 * entire groups database (possibly from multiple sources), but getgrent_r() 212 * is too inefficient. Most backends can do better if they know they're 213 * meant to scan all groups; hence there's a separate backend operation, 214 * NSS_DBOP_GROUP_BYMEMBER, which uses the nss_groupsbymem struct. 215 * Note that the normal return-value from such a backend, even when it 216 * successfully finds matching group entries, is NSS_NOTFOUND, because 217 * this tells the switch engine to keep searching in any more sources. 218 * In fact, the backends only return NSS_SUCCESS if they find enough 219 * matching entries that the gid_array is completely filled, in which 220 * case the switch engine should stop searching. 221 * If the force_slow_way field is set, the backend should eschew any cached 222 * information (e.g. the YP netid.byname map or the NIS+ cred.org_dir table) 223 * and should instead grind its way through the group map/table/whatever. 224 */ 225 226 struct nss_groupsbymem { /* For _getgroupsbymember() */ 227 /* in: */ 228 const char *username; 229 gid_t *gid_array; 230 int maxgids; 231 int force_slow_way; 232 /* 233 * The process_cstr() routine does the real work for any backend 234 * that can supply a group entry as a string in /etc/group format 235 */ 236 #if defined(__STDC__) 237 int (*str2ent) (const char *instr, 238 int instr_len, 239 void *ent, char *buffer, int buflen); 240 nss_status_t (*process_cstr) (const char *instr, 241 int instr_len, 242 struct nss_groupsbymem *); 243 #else 244 int (*str2ent)(); 245 nss_status_t (*process_cstr)(); 246 #endif 247 248 /* in_out: */ 249 int numgids; 250 }; 251 252 /* 253 * The netgroup routines are handled as follows: 254 * 255 * Policy decision: 256 * If netgroup A refers to netgroup B, both must occur in the same 257 * source (other choices give very confusing semantics). This 258 * assumption is deeply embedded in the frontend and backends. 259 * 260 * - setnetgrent(), despite its name, is really a getXXXbyYYY operation: 261 * it takes a name and finds a netgroup with that name (see the 262 * nss_setnetgrent_args struct below). The "result" that it returns 263 * to the frontend is an nss_backend_t for a pseudo-backend that allows 264 * one to enumerate the members of that netgroup. 265 * 266 * - getnetgrent() calls the 'getXXXent' function in the pseudo-backend; 267 * it doesn't go through the switch engine at all. It uses the 268 * nss_getnetgrent_args struct below. 269 * 270 * - innetgr() is implemented on top of __multi_innetgr(), which replaces 271 * each (char *) argument of innetgr() with a counted vector of (char *). 272 * The semantics are the same as an OR of the results of innetgr() 273 * operations on each possible 4-tuple picked from the arguments, but 274 * it's possible to implement some cases more efficiently. This is 275 * important for mountd, which used to read YP netgroup.byhost directly 276 * in order to determine efficiently whether a given host belonged to any 277 * one of a long list of netgroups. Wildcarded arguments are indicated 278 * by a count of zero. 279 * 280 * - __multi_innetgr() uses the nss_innetgr_args struct. A backend whose 281 * source contains at least one of the groups listed in the 'groups' 282 * vector will return NSS_SUCCESS and will set the 'status' field to 283 * indicate whether any 4-tuple was satisfied. A backend will only 284 * return NSS_NOTFOUND if the source contained none of the groups 285 * listed in the 'groups' vector. 286 */ 287 288 enum nss_netgr_argn { /* We need (machine, user, domain) triples */ 289 NSS_NETGR_MACHINE, 290 NSS_NETGR_USER, 291 NSS_NETGR_DOMAIN, 292 NSS_NETGR_N 293 }; 294 295 enum nss_netgr_status { /* Status from setnetgrent, multi_innetgr */ 296 NSS_NETGR_FOUND, 297 NSS_NETGR_NO, 298 NSS_NETGR_NOMEM 299 }; 300 301 struct nss_setnetgrent_args { 302 /* in: */ 303 const char *netgroup; 304 /* out: */ 305 nss_backend_t *iterator; /* <==== Explain */ 306 }; 307 308 struct nss_getnetgrent_args { 309 /* in: */ 310 char *buffer; 311 int buflen; 312 /* out: */ 313 enum nss_netgr_status status; 314 char *retp[NSS_NETGR_N]; 315 }; 316 317 typedef unsigned nss_innetgr_argc; /* 0 means wildcard */ 318 typedef char ** nss_innetgr_argv; /* === Do we really need these? */ 319 320 struct nss_innetgr_1arg { 321 nss_innetgr_argc argc; 322 nss_innetgr_argv argv; 323 }; 324 325 struct nss_innetgr_args { 326 /* in: */ 327 struct nss_innetgr_1arg arg[NSS_NETGR_N]; 328 struct nss_innetgr_1arg groups; 329 /* out: */ 330 enum nss_netgr_status status; 331 }; 332 333 334 /* 335 * nss_XbyY_buf_t -- structure containing the generic arguments passwd to 336 * getXXXbyYYY_r() and getXXXent_r() routines. The (void *) value points to 337 * a struct of the appropriate type, e.g. struct passwd or struct hostent. 338 * 339 * The functions that allocate and free these structures do no locking at 340 * all, since the routines that use them are inherently MT-unsafe anyway. 341 */ 342 343 typedef struct { 344 void *result; /* "result" parameter to getXbyY_r() */ 345 char *buffer; /* "buffer" " " */ 346 int buflen; /* "buflen" " " */ 347 } nss_XbyY_buf_t; 348 349 #if defined(__STDC__) 350 extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(int struct_size, int buffer_size); 351 extern void _nss_XbyY_buf_free(nss_XbyY_buf_t *); 352 #else 353 extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(); 354 extern void _nss_XbyY_buf_free(); 355 #endif 356 357 #define NSS_XbyY_ALLOC(bufpp, str_size, buf_size) (\ 358 (*bufpp) == 0 \ 359 ? (*bufpp) = _nss_XbyY_buf_alloc(str_size, buf_size) \ 360 : (*bufpp)) \ 361 362 #define NSS_XbyY_FREE(bufpp) (_nss_XbyY_buf_free(*bufpp), (*bufpp) = 0) 363 364 /* 365 * The nss_XbyY_args_t struct contains all the information passed between 366 * frontends and backends for the getXbyY_r() and getXent() routines, 367 * including an nss_XbyY_buf_t and the lookup key (unused for getXXXent_r). 368 * 369 * The (*str2ent)() member converts a single XXXent from ASCII text to the 370 * appropriate struct, storing any pointer data (strings, in_addrs, arrays 371 * of these) in the buffer. The ASCII text is a counted string (*not* a 372 * zero-terminated string) whose length is specified by the instr_len 373 * parameter. The text is found at the address specified by instr and 374 * the string is treated as readonly. buffer and instr must be non- 375 * intersecting memory areas. 376 * 377 * With the exception of passwd, shadow and group, the text form for these 378 * databases allows trailing comments and arbitrary whitespace. The 379 * corresponding str2ent routine assumes that comments, leading whitespace 380 * and trailing whitespace have been stripped (and thus assumes that entries 381 * consisting only of these have been discarded). 382 * 383 * The text entries for "rpc" and for the databases described in <netdb.h> 384 * follow a common format (a canonical name with a possibly empty list 385 * of aliases, and some other value), albeit with minor variations. 386 * The function _nss_netdb_aliases() does most of the generic work involved 387 * in parsing and marshalling these into the buffer. 388 */ 389 390 union nss_XbyY_key { /* No tag; backend should know what to expect */ 391 uid_t uid; 392 gid_t gid; 393 projid_t projid; 394 const char *name; 395 int number; 396 struct { 397 int net; 398 int type; 399 } netaddr; 400 struct { 401 const char *addr; 402 int len; 403 int type; 404 } hostaddr; 405 struct { 406 union { 407 const char *name; 408 int port; 409 } serv; 410 const char *proto; 411 } serv; 412 void *ether; 413 struct { 414 const char *name; 415 const char *keytype; 416 } pkey; 417 struct { 418 const char *name; 419 int af_family; 420 int flags; 421 } ipnode; 422 void *attrp; /* for the new attr databases */ 423 }; 424 425 typedef struct nss_XbyY_args { 426 427 /* IN */ 428 nss_XbyY_buf_t buf; 429 int stayopen; 430 /* 431 * Support for setXXXent(stayopen) 432 * Used only in hosts, protocols, 433 * networks, rpc, and services. 434 */ 435 #if defined(__STDC__) 436 int (*str2ent) (const char *instr, 437 int instr_len, 438 void *ent, char *buffer, int buflen); 439 #else 440 int (*str2ent)(); 441 #endif 442 union nss_XbyY_key key; 443 444 /* OUT */ 445 void *returnval; 446 int erange; 447 int h_errno; /* For gethost*_r() */ 448 nss_status_t status; /* from the backend last called */ 449 } nss_XbyY_args_t; 450 451 /* status returned by the str2ent parsing routines */ 452 #define NSS_STR_PARSE_SUCCESS 0 453 #define NSS_STR_PARSE_PARSE 1 454 #define NSS_STR_PARSE_ERANGE 2 455 456 #define NSS_XbyY_INIT(str, res, bufp, len, func) (\ 457 (str)->buf.result = (res), \ 458 (str)->buf.buffer = (bufp), \ 459 (str)->buf.buflen = (len), \ 460 (str)->stayopen = 0, \ 461 (str)->str2ent = (func), \ 462 (str)->returnval = 0, \ 463 (str)->erange = 0) 464 465 #define NSS_XbyY_FINI(str) (\ 466 (str)->returnval == 0 && (str)->erange && (errno = ERANGE), \ 467 (str)->returnval) 468 469 #if defined(__STDC__) 470 extern char **_nss_netdb_aliases 471 (const char *, int, char *, int); 472 #else 473 extern char **_nss_netdb_aliases(); 474 #endif 475 476 /* 477 * nss_dbop_t values for searches with various keys; values for 478 * destructor/endent/setent/getent are defined in <nss_common.h> 479 */ 480 481 #define NSS_DBOP_GROUP_BYNAME (NSS_DBOP_next_iter) 482 #define NSS_DBOP_GROUP_BYGID (NSS_DBOP_GROUP_BYNAME + 1) 483 #define NSS_DBOP_GROUP_BYMEMBER (NSS_DBOP_GROUP_BYGID + 1) 484 485 #define NSS_DBOP_PASSWD_BYNAME (NSS_DBOP_next_iter) 486 #define NSS_DBOP_PASSWD_BYUID (NSS_DBOP_PASSWD_BYNAME + 1) 487 488 /* The "compat" backend requires that PASSWD_BYNAME == SHADOW_BYNAME */ 489 /* (it also requires that both use key.name to pass the username). */ 490 #define NSS_DBOP_SHADOW_BYNAME (NSS_DBOP_PASSWD_BYNAME) 491 492 #define NSS_DBOP_PROJECT_BYNAME (NSS_DBOP_next_iter) 493 #define NSS_DBOP_PROJECT_BYID (NSS_DBOP_PROJECT_BYNAME + 1) 494 495 #define NSS_DBOP_HOSTS_BYNAME (NSS_DBOP_next_iter) 496 #define NSS_DBOP_HOSTS_BYADDR (NSS_DBOP_HOSTS_BYNAME + 1) 497 498 #define NSS_DBOP_IPNODES_BYNAME (NSS_DBOP_next_iter) 499 #define NSS_DBOP_IPNODES_BYADDR (NSS_DBOP_IPNODES_BYNAME + 1) 500 501 /* 502 * NSS_DBOP_NAME_2ADDR 503 * NSS_DBOP_ADDR_2NAME 504 * : are defines for ipv6 api's 505 */ 506 507 #define NSS_DBOP_NAME_2ADDR (NSS_DBOP_next_ipv6_iter) 508 #define NSS_DBOP_ADDR_2NAME (NSS_DBOP_NAME_2ADDR + 1) 509 510 #define NSS_DBOP_RPC_BYNAME (NSS_DBOP_next_iter) 511 #define NSS_DBOP_RPC_BYNUMBER (NSS_DBOP_RPC_BYNAME + 1) 512 513 #define NSS_DBOP_NETWORKS_BYNAME (NSS_DBOP_next_iter) 514 #define NSS_DBOP_NETWORKS_BYADDR (NSS_DBOP_NETWORKS_BYNAME + 1) 515 516 #define NSS_DBOP_SERVICES_BYNAME (NSS_DBOP_next_iter) 517 #define NSS_DBOP_SERVICES_BYPORT (NSS_DBOP_SERVICES_BYNAME + 1) 518 519 #define NSS_DBOP_PROTOCOLS_BYNAME (NSS_DBOP_next_iter) 520 #define NSS_DBOP_PROTOCOLS_BYNUMBER (NSS_DBOP_PROTOCOLS_BYNAME + 1) 521 522 #define NSS_DBOP_ETHERS_HOSTTON (NSS_DBOP_next_noiter) 523 #define NSS_DBOP_ETHERS_NTOHOST (NSS_DBOP_ETHERS_HOSTTON + 1) 524 525 #define NSS_DBOP_BOOTPARAMS_BYNAME (NSS_DBOP_next_noiter) 526 #define NSS_DBOP_NETMASKS_BYNET (NSS_DBOP_next_noiter) 527 528 #define NSS_DBOP_PRINTERS_BYNAME (NSS_DBOP_next_iter) 529 530 /* 531 * The "real" backend for netgroup (__multi_innetgr, setnetgrent) 532 */ 533 #define NSS_DBOP_NETGROUP_IN (NSS_DBOP_next_iter) 534 #define NSS_DBOP_NETGROUP_SET (NSS_DBOP_NETGROUP_IN + 1) 535 536 /* 537 * The backend for getpublickey and getsecretkey (getkeys) 538 */ 539 #define NSS_DBOP_KEYS_BYNAME (NSS_DBOP_next_iter) 540 541 /* 542 * The pseudo-backend for netgroup (returned by setnetgrent) doesn't have 543 * any getXXXbyYYY operations, just the usual destr/end/set/get ops, 544 * so needs no definitions here. 545 */ 546 547 #define NSS_DBOP_ATTRDB_BYNAME (NSS_DBOP_next_iter) 548 549 #define NSS_DBOP_AUDITUSER_BYNAME NSS_DBOP_ATTRDB_BYNAME 550 #define NSS_DBOP_AUTHATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 551 #define NSS_DBOP_EXECATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 552 #define NSS_DBOP_EXECATTR_BYID (NSS_DBOP_EXECATTR_BYNAME + 1) 553 #define NSS_DBOP_EXECATTR_BYNAMEID (NSS_DBOP_EXECATTR_BYID + 1) 554 #define NSS_DBOP_PROFATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 555 #define NSS_DBOP_USERATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 556 557 /* 558 * Used all over in the switch code. The best home for it I can think of. 559 * Power-of-two alignments only. 560 */ 561 #define ROUND_DOWN(n, align) (((uintptr_t)n) & ~((align) - 1l)) 562 #define ROUND_UP(n, align) ROUND_DOWN(((uintptr_t)n) + (align) - 1l, \ 563 (align)) 564 565 #ifdef __cplusplus 566 } 567 #endif 568 569 #endif /* _NSS_DBDEFS_H */ 570