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 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * Routines to handle getgr* calls in nscd 30 */ 31 32 #include <stdlib.h> 33 #include "cache.h" 34 35 #define nam_db ctx->nsc_db[0] 36 #define gid_db ctx->nsc_db[1] 37 38 #define NSC_NAME_GROUP_BYNAME "getgrnam" 39 #define NSC_NAME_GROUP_BYGID "getgrgid" 40 41 static void grgid_getlogstr(char *, char *, size_t, nss_XbyY_args_t *); 42 static int grgid_compar(const void *, const void *); 43 static uint_t grgid_gethash(nss_XbyY_key_t *, int); 44 45 void 46 group_init_ctx(nsc_ctx_t *ctx) { 47 ctx->dbname = NSS_DBNAM_GROUP; 48 ctx->file_name = "/etc/group"; 49 ctx->db_count = 2; 50 nam_db = make_cache(nsc_key_ces, 51 NSS_DBOP_GROUP_BYNAME, 52 NSC_NAME_GROUP_BYNAME, 53 NULL, NULL, NULL, nsc_ht_default, -1); 54 gid_db = make_cache(nsc_key_other, 55 NSS_DBOP_GROUP_BYGID, 56 NSC_NAME_GROUP_BYGID, 57 grgid_compar, 58 grgid_getlogstr, 59 grgid_gethash, nsc_ht_default, -1); 60 } 61 62 static void 63 grgid_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) { 64 (void) snprintf(whoami, len, "%s [key=%d]", name, argp->key.gid); 65 } 66 67 static int 68 grgid_compar(const void *n1, const void *n2) { 69 nsc_entry_t *e1, *e2; 70 71 e1 = (nsc_entry_t *)n1; 72 e2 = (nsc_entry_t *)n2; 73 return (_NSC_INT_KEY_CMP(e1->key.gid, e2->key.gid)); 74 } 75 76 static uint_t 77 grgid_gethash(nss_XbyY_key_t *key, int htsize) { 78 return ((uint_t)key->gid % htsize); 79 } 80