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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * Database-speficic definitions for the getXXXbyYYY routines 26 * (e.g getpwuid_r(), ether_ntohost()) that use the name-service switch. 27 * Database-independent definitions are in <nss_common.h> 28 * 29 * Ideally, this is the only switch header file one would add things 30 * to in order to support a new database. 31 * 32 * NOTE: The interfaces documented in this file may change in a minor 33 * release. It is intended that in the future a stronger committment 34 * will be made to these interface definitions which will guarantee 35 * them across minor releases. 36 */ 37 38 #ifndef _NSS_DBDEFS_H 39 #define _NSS_DBDEFS_H 40 41 #pragma ident "%Z%%M% %I% %E% SMI" 42 43 #include <errno.h> 44 #include <netdb.h> /* MAXALIASES, MAXADDRS */ 45 #include <limits.h> /* LOGNAME_MAX */ 46 #include <nss_common.h> 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 #ifndef NSS_INCLUDE_UNSAFE 53 #define NSS_INCLUDE_UNSAFE 1 /* Build old, MT-unsafe interfaces, */ 54 #endif /* NSS_INCLUDE_UNSAFE */ /* e.g. getpwnam (c.f. getpwnam_r) */ 55 56 /* 57 * Names of the well-known databases. 58 */ 59 60 #define NSS_DBNAM_ALIASES "aliases" /* E-mail aliases, that is */ 61 #define NSS_DBNAM_AUTOMOUNT "automount" 62 #define NSS_DBNAM_BOOTPARAMS "bootparams" 63 #define NSS_DBNAM_ETHERS "ethers" 64 #define NSS_DBNAM_GROUP "group" 65 #define NSS_DBNAM_HOSTS "hosts" 66 #define NSS_DBNAM_IPNODES "ipnodes" 67 #define NSS_DBNAM_NETGROUP "netgroup" 68 #define NSS_DBNAM_NETMASKS "netmasks" 69 #define NSS_DBNAM_NETWORKS "networks" 70 #define NSS_DBNAM_PASSWD "passwd" 71 #define NSS_DBNAM_PRINTERS "printers" 72 #define NSS_DBNAM_PROJECT "project" 73 #define NSS_DBNAM_PROTOCOLS "protocols" 74 #define NSS_DBNAM_PUBLICKEY "publickey" 75 #define NSS_DBNAM_RPC "rpc" 76 #define NSS_DBNAM_SERVICES "services" 77 #define NSS_DBNAM_AUDITUSER "audit_user" 78 #define NSS_DBNAM_AUTHATTR "auth_attr" 79 #define NSS_DBNAM_EXECATTR "exec_attr" 80 #define NSS_DBNAM_PROFATTR "prof_attr" 81 #define NSS_DBNAM_USERATTR "user_attr" 82 83 /* getspnam() et al use the "passwd" config entry but the "shadow" backend */ 84 #define NSS_DBNAM_SHADOW "shadow" 85 86 /* The "compat" backend gets config entries for these pseudo-databases */ 87 #define NSS_DBNAM_PASSWD_COMPAT "passwd_compat" 88 #define NSS_DBNAM_GROUP_COMPAT "group_compat" 89 90 /* 91 * Default switch configuration, compiled into the front-ends. 92 * 93 * Absent good reasons to the contrary, this should be compatible with the 94 * default /etc/nsswitch.conf file. 95 */ 96 #define NSS_FILES_ONLY "files" 97 #define NSS_FILES_NS "files nis" 98 #define NSS_NS_FALLBACK "nis [NOTFOUND=return] files" 99 #define NSS_NS_ONLY "nis" 100 101 #define NSS_DEFCONF_ALIASES NSS_FILES_NS 102 #define NSS_DEFCONF_AUTOMOUNT NSS_FILES_NS 103 #define NSS_DEFCONF_BOOTPARAMS NSS_NS_FALLBACK 104 #define NSS_DEFCONF_ETHERS NSS_NS_FALLBACK 105 #define NSS_DEFCONF_GROUP NSS_FILES_NS 106 #define NSS_DEFCONF_HOSTS NSS_NS_FALLBACK 107 #define NSS_DEFCONF_IPNODES NSS_NS_FALLBACK 108 #define NSS_DEFCONF_NETGROUP NSS_NS_ONLY 109 #define NSS_DEFCONF_NETMASKS NSS_NS_FALLBACK 110 #define NSS_DEFCONF_NETWORKS NSS_NS_FALLBACK 111 #define NSS_DEFCONF_PASSWD NSS_FILES_NS 112 #define NSS_DEFCONF_PRINTERS "user files nis nisplus" 113 #define NSS_DEFCONF_PROJECT NSS_FILES_NS 114 #define NSS_DEFCONF_PROTOCOLS NSS_NS_FALLBACK 115 #define NSS_DEFCONF_PUBLICKEY NSS_FILES_NS 116 #define NSS_DEFCONF_RPC NSS_NS_FALLBACK 117 #define NSS_DEFCONF_SERVICES NSS_FILES_NS /* speeds up byname() */ 118 119 #define NSS_DEFCONF_GROUP_COMPAT NSS_NS_ONLY 120 #define NSS_DEFCONF_PASSWD_COMPAT NSS_NS_ONLY 121 122 #define NSS_DEFCONF_ATTRDB NSS_FILES_NS 123 124 #define NSS_DEFCONF_AUDITUSER NSS_DEFCONF_PASSWD 125 #define NSS_DEFCONF_USERATTR NSS_DEFCONF_PASSWD 126 #define NSS_DEFCONF_AUTHATTR NSS_DEFCONF_ATTRDB 127 #define NSS_DEFCONF_PROFATTR NSS_DEFCONF_ATTRDB 128 #define NSS_DEFCONF_EXECATTR NSS_DEFCONF_PROFATTR 129 130 /* 131 * Line-lengths that the "files" and "compat" backends will try to support. 132 * It may be reasonable (even advisable) to use smaller values than these. 133 */ 134 135 #define NSS_BUFSIZ 1024 136 137 #define NSS_LINELEN_GROUP ((NSS_BUFSIZ) * 8) 138 #define NSS_LINELEN_HOSTS ((NSS_BUFSIZ) * 8) 139 #define NSS_LINELEN_IPNODES ((NSS_BUFSIZ) * 8) 140 #define NSS_LINELEN_NETMASKS NSS_BUFSIZ 141 #define NSS_LINELEN_NETWORKS NSS_BUFSIZ 142 #define NSS_LINELEN_PASSWD NSS_BUFSIZ 143 #define NSS_LINELEN_PRINTERS NSS_BUFSIZ 144 #define NSS_LINELEN_PROJECT ((NSS_BUFSIZ) * 4) 145 #define NSS_LINELEN_PROTOCOLS NSS_BUFSIZ 146 #define NSS_LINELEN_PUBLICKEY NSS_BUFSIZ 147 #define NSS_LINELEN_RPC NSS_BUFSIZ 148 #define NSS_LINELEN_SERVICES NSS_BUFSIZ 149 #define NSS_LINELEN_SHADOW NSS_BUFSIZ 150 #define NSS_LINELEN_ETHERS NSS_BUFSIZ 151 #define NSS_LINELEN_BOOTPARAMS NSS_BUFSIZ 152 153 #define NSS_LINELEN_ATTRDB NSS_BUFSIZ 154 155 #define NSS_LINELEN_AUDITUSER NSS_LINELEN_ATTRDB 156 #define NSS_LINELEN_AUTHATTR NSS_LINELEN_ATTRDB 157 #define NSS_LINELEN_EXECATTR NSS_LINELEN_ATTRDB 158 #define NSS_LINELEN_PROFATTR NSS_LINELEN_ATTRDB 159 #define NSS_LINELEN_USERATTR NSS_LINELEN_ATTRDB 160 161 #define NSS_MMAPLEN_EXECATTR NSS_LINELEN_EXECATTR * 8 162 163 /* 164 * Reasonable defaults for 'buflen' values passed to _r functions. The BSD 165 * and SunOS 4.x implementations of the getXXXbyYYY() functions used hard- 166 * coded array sizes; the values here are meant to handle anything that 167 * those implementations handled. 168 * === These might more reasonably go in <pwd.h>, <netdb.h> et al 169 */ 170 171 #define NSS_BUFLEN_GROUP NSS_LINELEN_GROUP 172 #define NSS_BUFLEN_HOSTS \ 173 (NSS_LINELEN_HOSTS + (MAXALIASES + MAXADDRS + 2) * sizeof (char *)) 174 #define NSS_BUFLEN_IPNODES \ 175 (NSS_LINELEN_IPNODES + (MAXALIASES + MAXADDRS + 2) * sizeof (char *)) 176 #define NSS_BUFLEN_NETGROUP (MAXHOSTNAMELEN * 2 + LOGNAME_MAX + 3) 177 #define NSS_BUFLEN_NETWORKS NSS_LINELEN_NETWORKS /* === ? + 35 * 4 */ 178 #define NSS_BUFLEN_PASSWD NSS_LINELEN_PASSWD 179 #define NSS_BUFLEN_PROJECT (NSS_LINELEN_PROJECT + 800 * sizeof (char *)) 180 #define NSS_BUFLEN_PROTOCOLS NSS_LINELEN_PROTOCOLS /* === ? + 35 * 4 */ 181 #define NSS_BUFLEN_PUBLICKEY NSS_LINELEN_PUBLICKEY 182 #define NSS_BUFLEN_RPC NSS_LINELEN_RPC /* === ? + 35 * 4 */ 183 #define NSS_BUFLEN_SERVICES NSS_LINELEN_SERVICES /* === ? + 35 * 4 */ 184 #define NSS_BUFLEN_SHADOW NSS_LINELEN_SHADOW 185 #define NSS_BUFLEN_ETHERS NSS_LINELEN_ETHERS 186 #define NSS_BUFLEN_BOOTPARAMS NSS_LINELEN_BOOTPARAMS 187 188 #define NSS_BUFLEN_ATTRDB NSS_LINELEN_ATTRDB 189 190 #define NSS_BUFLEN_AUDITUSER NSS_BUFLEN_ATTRDB 191 #define NSS_BUFLEN_AUTHATTR NSS_BUFLEN_ATTRDB 192 #define NSS_BUFLEN_EXECATTR NSS_BUFLEN_ATTRDB 193 #define NSS_BUFLEN_PROFATTR NSS_BUFLEN_ATTRDB 194 #define NSS_BUFLEN_USERATTR ((NSS_BUFLEN_ATTRDB) * 8) 195 196 197 /* 198 * Arguments and results, passed between the frontends and backends for 199 * the well-known databases. The getXbyY_r() and getXent_r() routines 200 * use a common format that is further described below; other routines 201 * use their own formats. 202 */ 203 204 /* 205 * The initgroups() function [see initgroups(3c)] needs to find all the 206 * groups to which a given user belongs. To do this it calls 207 * _getgroupsbymember(), which is part of the frontend for the "group" 208 * database. 209 * We want the same effect as if we used getgrent_r() to enumerate the 210 * entire groups database (possibly from multiple sources), but getgrent_r() 211 * is too inefficient. Most backends can do better if they know they're 212 * meant to scan all groups; hence there's a separate backend operation, 213 * NSS_DBOP_GROUP_BYMEMBER, which uses the nss_groupsbymem struct. 214 * Note that the normal return-value from such a backend, even when it 215 * successfully finds matching group entries, is NSS_NOTFOUND, because 216 * this tells the switch engine to keep searching in any more sources. 217 * In fact, the backends only return NSS_SUCCESS if they find enough 218 * matching entries that the gid_array is completely filled, in which 219 * case the switch engine should stop searching. 220 * If the force_slow_way field is set, the backend should eschew any cached 221 * information (e.g. the YP netid.byname map or the NIS+ cred.org_dir table) 222 * and should instead grind its way through the group map/table/whatever. 223 */ 224 225 struct nss_groupsbymem { /* For _getgroupsbymember() */ 226 /* in: */ 227 const char *username; 228 gid_t *gid_array; 229 int maxgids; 230 int force_slow_way; 231 /* 232 * The process_cstr() routine does the real work for any backend 233 * that can supply a group entry as a string in /etc/group format 234 */ 235 #if defined(__STDC__) 236 int (*str2ent) (const char *instr, 237 int instr_len, 238 void *ent, char *buffer, int buflen); 239 nss_status_t (*process_cstr) (const char *instr, 240 int instr_len, 241 struct nss_groupsbymem *); 242 #else 243 int (*str2ent)(); 244 nss_status_t (*process_cstr)(); 245 #endif 246 247 /* in_out: */ 248 int numgids; 249 }; 250 251 /* 252 * The netgroup routines are handled as follows: 253 * 254 * Policy decision: 255 * If netgroup A refers to netgroup B, both must occur in the same 256 * source (other choices give very confusing semantics). This 257 * assumption is deeply embedded in the frontend and backends. 258 * 259 * - setnetgrent(), despite its name, is really a getXXXbyYYY operation: 260 * it takes a name and finds a netgroup with that name (see the 261 * nss_setnetgrent_args struct below). The "result" that it returns 262 * to the frontend is an nss_backend_t for a pseudo-backend that allows 263 * one to enumerate the members of that netgroup. 264 * 265 * - getnetgrent() calls the 'getXXXent' function in the pseudo-backend; 266 * it doesn't go through the switch engine at all. It uses the 267 * nss_getnetgrent_args struct below. 268 * 269 * - innetgr() is implemented on top of __multi_innetgr(), which replaces 270 * each (char *) argument of innetgr() with a counted vector of (char *). 271 * The semantics are the same as an OR of the results of innetgr() 272 * operations on each possible 4-tuple picked from the arguments, but 273 * it's possible to implement some cases more efficiently. This is 274 * important for mountd, which used to read YP netgroup.byhost directly 275 * in order to determine efficiently whether a given host belonged to any 276 * one of a long list of netgroups. Wildcarded arguments are indicated 277 * by a count of zero. 278 * 279 * - __multi_innetgr() uses the nss_innetgr_args struct. A backend whose 280 * source contains at least one of the groups listed in the 'groups' 281 * vector will return NSS_SUCCESS and will set the 'status' field to 282 * indicate whether any 4-tuple was satisfied. A backend will only 283 * return NSS_NOTFOUND if the source contained none of the groups 284 * listed in the 'groups' vector. 285 */ 286 287 enum nss_netgr_argn { /* We need (machine, user, domain) triples */ 288 NSS_NETGR_MACHINE, 289 NSS_NETGR_USER, 290 NSS_NETGR_DOMAIN, 291 NSS_NETGR_N 292 }; 293 294 enum nss_netgr_status { /* Status from setnetgrent, multi_innetgr */ 295 NSS_NETGR_FOUND, 296 NSS_NETGR_NO, 297 NSS_NETGR_NOMEM 298 }; 299 300 struct nss_setnetgrent_args { 301 /* in: */ 302 const char *netgroup; 303 /* out: */ 304 nss_backend_t *iterator; /* <==== Explain */ 305 }; 306 307 struct nss_getnetgrent_args { 308 /* in: */ 309 char *buffer; 310 int buflen; 311 /* out: */ 312 enum nss_netgr_status status; 313 char *retp[NSS_NETGR_N]; 314 }; 315 316 typedef unsigned nss_innetgr_argc; /* 0 means wildcard */ 317 typedef char ** nss_innetgr_argv; /* === Do we really need these? */ 318 319 struct nss_innetgr_1arg { 320 nss_innetgr_argc argc; 321 nss_innetgr_argv argv; 322 }; 323 324 struct nss_innetgr_args { 325 /* in: */ 326 struct nss_innetgr_1arg arg[NSS_NETGR_N]; 327 struct nss_innetgr_1arg groups; 328 /* out: */ 329 enum nss_netgr_status status; 330 }; 331 332 333 /* 334 * nss_XbyY_buf_t -- structure containing the generic arguments passwd to 335 * getXXXbyYYY_r() and getXXXent_r() routines. The (void *) value points to 336 * a struct of the appropriate type, e.g. struct passwd or struct hostent. 337 * 338 * The functions that allocate and free these structures do no locking at 339 * all, since the routines that use them are inherently MT-unsafe anyway. 340 */ 341 342 typedef struct { 343 void *result; /* "result" parameter to getXbyY_r() */ 344 char *buffer; /* "buffer" " " */ 345 int buflen; /* "buflen" " " */ 346 } nss_XbyY_buf_t; 347 348 #if defined(__STDC__) 349 extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(int struct_size, int buffer_size); 350 extern void _nss_XbyY_buf_free(nss_XbyY_buf_t *); 351 #else 352 extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(); 353 extern void _nss_XbyY_buf_free(); 354 #endif 355 356 #define NSS_XbyY_ALLOC(bufpp, str_size, buf_size) (\ 357 (*bufpp) == 0 \ 358 ? (*bufpp) = _nss_XbyY_buf_alloc(str_size, buf_size) \ 359 : (*bufpp)) \ 360 361 #define NSS_XbyY_FREE(bufpp) (_nss_XbyY_buf_free(*bufpp), (*bufpp) = 0) 362 363 /* 364 * The nss_XbyY_args_t struct contains all the information passed between 365 * frontends and backends for the getXbyY_r() and getXent() routines, 366 * including an nss_XbyY_buf_t and the lookup key (unused for getXXXent_r). 367 * 368 * The (*str2ent)() member converts a single XXXent from ASCII text to the 369 * appropriate struct, storing any pointer data (strings, in_addrs, arrays 370 * of these) in the buffer. The ASCII text is a counted string (*not* a 371 * zero-terminated string) whose length is specified by the instr_len 372 * parameter. The text is found at the address specified by instr and 373 * the string is treated as readonly. buffer and instr must be non- 374 * intersecting memory areas. 375 * 376 * With the exception of passwd, shadow and group, the text form for these 377 * databases allows trailing comments and arbitrary whitespace. The 378 * corresponding str2ent routine assumes that comments, leading whitespace 379 * and trailing whitespace have been stripped (and thus assumes that entries 380 * consisting only of these have been discarded). 381 * 382 * The text entries for "rpc" and for the databases described in <netdb.h> 383 * follow a common format (a canonical name with a possibly empty list 384 * of aliases, and some other value), albeit with minor variations. 385 * The function _nss_netdb_aliases() does most of the generic work involved 386 * in parsing and marshalling these into the buffer. 387 */ 388 389 union nss_XbyY_key { /* No tag; backend should know what to expect */ 390 uid_t uid; 391 gid_t gid; 392 projid_t projid; 393 const char *name; 394 int number; 395 struct { 396 int net; 397 int type; 398 } netaddr; 399 struct { 400 const char *addr; 401 int len; 402 int type; 403 } hostaddr; 404 struct { 405 union { 406 const char *name; 407 int port; 408 } serv; 409 const char *proto; 410 } serv; 411 void *ether; 412 struct { 413 const char *name; 414 const char *keytype; 415 } pkey; 416 struct { 417 const char *name; 418 int af_family; 419 int flags; 420 } ipnode; 421 void *attrp; /* for the new attr databases */ 422 }; 423 424 typedef struct nss_XbyY_args { 425 426 /* IN */ 427 nss_XbyY_buf_t buf; 428 int stayopen; 429 /* 430 * Support for setXXXent(stayopen) 431 * Used only in hosts, protocols, 432 * networks, rpc, and services. 433 */ 434 #if defined(__STDC__) 435 int (*str2ent) (const char *instr, 436 int instr_len, 437 void *ent, char *buffer, int buflen); 438 #else 439 int (*str2ent)(); 440 #endif 441 union nss_XbyY_key key; 442 443 /* OUT */ 444 void *returnval; 445 int erange; 446 int h_errno; /* For gethost*_r() */ 447 nss_status_t status; /* from the backend last called */ 448 } nss_XbyY_args_t; 449 450 /* status returned by the str2ent parsing routines */ 451 #define NSS_STR_PARSE_SUCCESS 0 452 #define NSS_STR_PARSE_PARSE 1 453 #define NSS_STR_PARSE_ERANGE 2 454 455 #define NSS_XbyY_INIT(str, res, bufp, len, func) (\ 456 (str)->buf.result = (res), \ 457 (str)->buf.buffer = (bufp), \ 458 (str)->buf.buflen = (len), \ 459 (str)->stayopen = 0, \ 460 (str)->str2ent = (func), \ 461 (str)->returnval = 0, \ 462 (str)->erange = 0) 463 464 #define NSS_XbyY_FINI(str) (\ 465 (str)->returnval == 0 && (str)->erange && (errno = ERANGE), \ 466 (str)->returnval) 467 468 #if defined(__STDC__) 469 extern char **_nss_netdb_aliases 470 (const char *, int, char *, int); 471 #else 472 extern char **_nss_netdb_aliases(); 473 #endif 474 475 /* 476 * nss_dbop_t values for searches with various keys; values for 477 * destructor/endent/setent/getent are defined in <nss_common.h> 478 */ 479 480 #define NSS_DBOP_GROUP_BYNAME (NSS_DBOP_next_iter) 481 #define NSS_DBOP_GROUP_BYGID (NSS_DBOP_GROUP_BYNAME + 1) 482 #define NSS_DBOP_GROUP_BYMEMBER (NSS_DBOP_GROUP_BYGID + 1) 483 484 #define NSS_DBOP_PASSWD_BYNAME (NSS_DBOP_next_iter) 485 #define NSS_DBOP_PASSWD_BYUID (NSS_DBOP_PASSWD_BYNAME + 1) 486 487 /* The "compat" backend requires that PASSWD_BYNAME == SHADOW_BYNAME */ 488 /* (it also requires that both use key.name to pass the username). */ 489 #define NSS_DBOP_SHADOW_BYNAME (NSS_DBOP_PASSWD_BYNAME) 490 491 #define NSS_DBOP_PROJECT_BYNAME (NSS_DBOP_next_iter) 492 #define NSS_DBOP_PROJECT_BYID (NSS_DBOP_PROJECT_BYNAME + 1) 493 494 #define NSS_DBOP_HOSTS_BYNAME (NSS_DBOP_next_iter) 495 #define NSS_DBOP_HOSTS_BYADDR (NSS_DBOP_HOSTS_BYNAME + 1) 496 497 #define NSS_DBOP_IPNODES_BYNAME (NSS_DBOP_next_iter) 498 #define NSS_DBOP_IPNODES_BYADDR (NSS_DBOP_IPNODES_BYNAME + 1) 499 500 /* 501 * NSS_DBOP_NAME_2ADDR 502 * NSS_DBOP_ADDR_2NAME 503 * : are defines for ipv6 api's 504 */ 505 506 #define NSS_DBOP_NAME_2ADDR (NSS_DBOP_next_ipv6_iter) 507 #define NSS_DBOP_ADDR_2NAME (NSS_DBOP_NAME_2ADDR + 1) 508 509 #define NSS_DBOP_RPC_BYNAME (NSS_DBOP_next_iter) 510 #define NSS_DBOP_RPC_BYNUMBER (NSS_DBOP_RPC_BYNAME + 1) 511 512 #define NSS_DBOP_NETWORKS_BYNAME (NSS_DBOP_next_iter) 513 #define NSS_DBOP_NETWORKS_BYADDR (NSS_DBOP_NETWORKS_BYNAME + 1) 514 515 #define NSS_DBOP_SERVICES_BYNAME (NSS_DBOP_next_iter) 516 #define NSS_DBOP_SERVICES_BYPORT (NSS_DBOP_SERVICES_BYNAME + 1) 517 518 #define NSS_DBOP_PROTOCOLS_BYNAME (NSS_DBOP_next_iter) 519 #define NSS_DBOP_PROTOCOLS_BYNUMBER (NSS_DBOP_PROTOCOLS_BYNAME + 1) 520 521 #define NSS_DBOP_ETHERS_HOSTTON (NSS_DBOP_next_noiter) 522 #define NSS_DBOP_ETHERS_NTOHOST (NSS_DBOP_ETHERS_HOSTTON + 1) 523 524 #define NSS_DBOP_BOOTPARAMS_BYNAME (NSS_DBOP_next_noiter) 525 #define NSS_DBOP_NETMASKS_BYNET (NSS_DBOP_next_noiter) 526 527 #define NSS_DBOP_PRINTERS_BYNAME (NSS_DBOP_next_iter) 528 529 /* 530 * The "real" backend for netgroup (__multi_innetgr, setnetgrent) 531 */ 532 #define NSS_DBOP_NETGROUP_IN (NSS_DBOP_next_iter) 533 #define NSS_DBOP_NETGROUP_SET (NSS_DBOP_NETGROUP_IN + 1) 534 535 /* 536 * The backend for getpublickey and getsecretkey (getkeys) 537 */ 538 #define NSS_DBOP_KEYS_BYNAME (NSS_DBOP_next_iter) 539 540 /* 541 * The pseudo-backend for netgroup (returned by setnetgrent) doesn't have 542 * any getXXXbyYYY operations, just the usual destr/end/set/get ops, 543 * so needs no definitions here. 544 */ 545 546 #define NSS_DBOP_ATTRDB_BYNAME (NSS_DBOP_next_iter) 547 548 #define NSS_DBOP_AUDITUSER_BYNAME NSS_DBOP_ATTRDB_BYNAME 549 #define NSS_DBOP_AUTHATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 550 #define NSS_DBOP_EXECATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 551 #define NSS_DBOP_EXECATTR_BYID (NSS_DBOP_EXECATTR_BYNAME + 1) 552 #define NSS_DBOP_EXECATTR_BYNAMEID (NSS_DBOP_EXECATTR_BYID + 1) 553 #define NSS_DBOP_PROFATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 554 #define NSS_DBOP_USERATTR_BYNAME NSS_DBOP_ATTRDB_BYNAME 555 556 /* 557 * Used all over in the switch code. The best home for it I can think of. 558 * Power-of-two alignments only. 559 */ 560 #define ROUND_DOWN(n, align) (((uintptr_t)n) & ~((align) - 1l)) 561 #define ROUND_UP(n, align) ROUND_DOWN(((uintptr_t)n) + (align) - 1l, \ 562 (align)) 563 564 #ifdef __cplusplus 565 } 566 #endif 567 568 #endif /* _NSS_DBDEFS_H */ 569