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 getnet* calls in nscd 30 */ 31 32 #include <string.h> 33 #include <stdlib.h> 34 #include <sys/types.h> 35 #include <sys/socket.h> 36 #include <netinet/in.h> 37 #include <arpa/inet.h> 38 #include "cache.h" 39 40 #define nam_db ctx->nsc_db[0] 41 #define addr_db ctx->nsc_db[1] 42 43 #define NSC_NAME_NETWORKS_BYNAME "getnetbyname" 44 #define NSC_NAME_NETWORKS_BYADDR "getnetbyaddr" 45 46 static int netaddr_compar(const void *, const void *); 47 static uint_t netaddr_gethash(nss_XbyY_key_t *, int); 48 static void netaddr_getlogstr(char *, char *, size_t, nss_XbyY_args_t *); 49 50 void 51 net_init_ctx(nsc_ctx_t *ctx) { 52 ctx->dbname = NSS_DBNAM_NETWORKS; 53 ctx->db_count = 2; 54 ctx->file_name = "/etc/inet/networks"; 55 56 nam_db = make_cache(nsc_key_ces, 57 NSS_DBOP_NETWORKS_BYNAME, 58 NSC_NAME_NETWORKS_BYNAME, 59 NULL, NULL, NULL, nsc_ht_default, -1); 60 61 addr_db = make_cache(nsc_key_other, 62 NSS_DBOP_NETWORKS_BYADDR, 63 NSC_NAME_NETWORKS_BYADDR, 64 netaddr_compar, 65 netaddr_getlogstr, 66 netaddr_gethash, nsc_ht_default, -1); 67 } 68 69 static void 70 netaddr_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) { 71 if (argp->key.netaddr.type == AF_INET) { 72 uint32_t net; 73 uchar_t *up; 74 75 net = htonl(argp->key.netaddr.net); 76 up = (uchar_t *)&net; 77 78 if (up[0]) 79 (void) snprintf(whoami, len, "%s [key=%d.%d.%d.%d]", 80 name, 81 up[0], up[1], up[2], up[3]); 82 else if (up[1]) 83 (void) snprintf(whoami, len, "%s [key=%d.%d.%d]", 84 name, 85 up[1], up[2], up[3]); 86 else if (up[2]) 87 (void) snprintf(whoami, len, "%s [key=%d.%d]", 88 name, 89 up[2], up[3]); 90 else 91 (void) snprintf(whoami, len, "%s [key=%d]", 92 name, 93 up[3]); 94 } else { 95 (void) snprintf(whoami, len, "%s [key=%d, %d]", 96 name, 97 argp->key.netaddr.net, argp->key.netaddr.type); 98 } 99 } 100 101 static int 102 netaddr_compar(const void *n1, const void *n2) { 103 nsc_entry_t *e1, *e2; 104 105 e1 = (nsc_entry_t *)n1; 106 e2 = (nsc_entry_t *)n2; 107 108 if (e1->key.netaddr.type > e2->key.netaddr.type) 109 return (1); 110 else if (e1->key.netaddr.type < e2->key.netaddr.type) 111 return (-1); 112 113 return (_NSC_INT_KEY_CMP(e1->key.netaddr.net, e2->key.netaddr.net)); 114 } 115 116 static uint_t 117 netaddr_gethash(nss_XbyY_key_t *key, int htsize) { 118 return (db_gethash(&key->netaddr.net, 119 sizeof (key->netaddr.net), htsize)); 120 } 121