17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*cb5caa98Sdjl * Common Development and Distribution License (the "License").
6*cb5caa98Sdjl * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22*cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate /*
277c478bd9Sstevel@tonic-gate * Routines to handle getipnode* calls in nscd. Note that the
287c478bd9Sstevel@tonic-gate * getnodeby* APIs were renamed getipnodeby*. The interfaces
297c478bd9Sstevel@tonic-gate * related to them in the nscd will remain as getnode*.
307c478bd9Sstevel@tonic-gate */
317c478bd9Sstevel@tonic-gate
327c478bd9Sstevel@tonic-gate #include <stdlib.h>
337c478bd9Sstevel@tonic-gate #include <string.h>
347c478bd9Sstevel@tonic-gate #include <strings.h>
357c478bd9Sstevel@tonic-gate #include <sys/types.h>
36*cb5caa98Sdjl #include <sys/socket.h>
37*cb5caa98Sdjl #include <netinet/in.h>
38*cb5caa98Sdjl #include <arpa/inet.h>
397c478bd9Sstevel@tonic-gate #include <inet/ip6.h>
40*cb5caa98Sdjl #include "cache.h"
417c478bd9Sstevel@tonic-gate
42*cb5caa98Sdjl static int ipaddr_compar(const void *, const void *);
43*cb5caa98Sdjl static uint_t ipaddr_gethash(nss_XbyY_key_t *, int);
44*cb5caa98Sdjl static void ipaddr_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
457c478bd9Sstevel@tonic-gate
46*cb5caa98Sdjl static int ipname_compar(const void *, const void *);
47*cb5caa98Sdjl static uint_t ipname_gethash(nss_XbyY_key_t *, int);
48*cb5caa98Sdjl static void ipname_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
497c478bd9Sstevel@tonic-gate
50*cb5caa98Sdjl #define nnam_db ctx->nsc_db[0]
51*cb5caa98Sdjl #define addr_db ctx->nsc_db[1]
527c478bd9Sstevel@tonic-gate
53*cb5caa98Sdjl #define NSC_NAME_IPNODES_BYNAME "getipnodebyname"
54*cb5caa98Sdjl #define NSC_NAME_IPNODES_BYADDR "getipnodebyaddr"
557c478bd9Sstevel@tonic-gate
567c478bd9Sstevel@tonic-gate void
ipnode_init_ctx(nsc_ctx_t * ctx)57*cb5caa98Sdjl ipnode_init_ctx(nsc_ctx_t *ctx) {
58*cb5caa98Sdjl ctx->dbname = NSS_DBNAM_IPNODES;
59*cb5caa98Sdjl ctx->file_name = "/etc/inet/ipnodes";
60*cb5caa98Sdjl ctx->db_count = 2;
61*cb5caa98Sdjl nnam_db = make_cache(nsc_key_other,
62*cb5caa98Sdjl NSS_DBOP_IPNODES_BYNAME,
63*cb5caa98Sdjl NSC_NAME_IPNODES_BYNAME,
64*cb5caa98Sdjl ipname_compar,
65*cb5caa98Sdjl ipname_getlogstr,
66*cb5caa98Sdjl ipname_gethash, nsc_ht_default, -1);
67*cb5caa98Sdjl
68*cb5caa98Sdjl addr_db = make_cache(nsc_key_other,
69*cb5caa98Sdjl NSS_DBOP_IPNODES_BYADDR,
70*cb5caa98Sdjl NSC_NAME_IPNODES_BYADDR,
71*cb5caa98Sdjl ipaddr_compar,
72*cb5caa98Sdjl ipaddr_getlogstr,
73*cb5caa98Sdjl ipaddr_gethash, nsc_ht_default, -1);
74*cb5caa98Sdjl }
75*cb5caa98Sdjl
76*cb5caa98Sdjl static int
ipaddr_compar(const void * n1,const void * n2)77*cb5caa98Sdjl ipaddr_compar(const void *n1, const void *n2) {
78*cb5caa98Sdjl nsc_entry_t *e1, *e2;
79*cb5caa98Sdjl int res, l1, l2;
80*cb5caa98Sdjl
81*cb5caa98Sdjl e1 = (nsc_entry_t *)n1;
82*cb5caa98Sdjl e2 = (nsc_entry_t *)n2;
83*cb5caa98Sdjl
84*cb5caa98Sdjl if (e1->key.hostaddr.type > e2->key.hostaddr.type)
85*cb5caa98Sdjl return (1);
86*cb5caa98Sdjl else if (e1->key.hostaddr.type < e2->key.hostaddr.type)
87*cb5caa98Sdjl return (-1);
88*cb5caa98Sdjl
89*cb5caa98Sdjl l1 = e1->key.hostaddr.len;
90*cb5caa98Sdjl l2 = e2->key.hostaddr.len;
91*cb5caa98Sdjl res = memcmp(e1->key.hostaddr.addr, e2->key.hostaddr.addr,
92*cb5caa98Sdjl (l2 > l1)?l1:l2);
93*cb5caa98Sdjl return ((res) ? _NSC_INT_KEY_CMP(res, 0) : _NSC_INT_KEY_CMP(l1, l2));
94*cb5caa98Sdjl }
95*cb5caa98Sdjl
96*cb5caa98Sdjl static uint_t
ipaddr_gethash(nss_XbyY_key_t * key,int htsize)97*cb5caa98Sdjl ipaddr_gethash(nss_XbyY_key_t *key, int htsize) {
98*cb5caa98Sdjl return (db_gethash(key->hostaddr.addr,
99*cb5caa98Sdjl key->hostaddr.len, htsize));
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate
1027c478bd9Sstevel@tonic-gate static void
ipaddr_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)103*cb5caa98Sdjl ipaddr_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
1047c478bd9Sstevel@tonic-gate char addr[INET6_ADDRSTRLEN];
105*cb5caa98Sdjl
106*cb5caa98Sdjl if (inet_ntop(argp->key.hostaddr.type, argp->key.hostaddr.addr, addr,
107*cb5caa98Sdjl sizeof (addr)) == NULL) {
108*cb5caa98Sdjl (void) snprintf(whoami, len, "%s", name);
1097c478bd9Sstevel@tonic-gate } else {
110*cb5caa98Sdjl (void) snprintf(whoami, len, "%s [key=%s addrtype=%d]",
111*cb5caa98Sdjl name,
112*cb5caa98Sdjl addr, argp->key.hostaddr.type);
1137c478bd9Sstevel@tonic-gate }
1147c478bd9Sstevel@tonic-gate }
1157c478bd9Sstevel@tonic-gate
116*cb5caa98Sdjl static int
ipname_compar(const void * n1,const void * n2)117*cb5caa98Sdjl ipname_compar(const void *n1, const void *n2) {
118*cb5caa98Sdjl nsc_entry_t *e1, *e2;
119*cb5caa98Sdjl int res, l1, l2;
1207c478bd9Sstevel@tonic-gate
121*cb5caa98Sdjl e1 = (nsc_entry_t *)n1;
122*cb5caa98Sdjl e2 = (nsc_entry_t *)n2;
123*cb5caa98Sdjl
124*cb5caa98Sdjl if (e1->key.ipnode.af_family > e2->key.ipnode.af_family)
125*cb5caa98Sdjl return (1);
126*cb5caa98Sdjl else if (e1->key.ipnode.af_family < e2->key.ipnode.af_family)
127*cb5caa98Sdjl return (-1);
128*cb5caa98Sdjl
129*cb5caa98Sdjl l1 = strlen(e1->key.ipnode.name);
130*cb5caa98Sdjl l2 = strlen(e2->key.ipnode.name);
131*cb5caa98Sdjl res = strncasecmp(e1->key.ipnode.name, e2->key.ipnode.name,
132*cb5caa98Sdjl (l1 > l2)?l1:l2);
133*cb5caa98Sdjl return (_NSC_INT_KEY_CMP(res, 0));
1347c478bd9Sstevel@tonic-gate }
1357c478bd9Sstevel@tonic-gate
136*cb5caa98Sdjl static uint_t
ipname_gethash(nss_XbyY_key_t * key,int htsize)137*cb5caa98Sdjl ipname_gethash(nss_XbyY_key_t *key, int htsize) {
138*cb5caa98Sdjl return (cis_gethash(key->ipnode.name, htsize));
1397c478bd9Sstevel@tonic-gate }
1407c478bd9Sstevel@tonic-gate
1417c478bd9Sstevel@tonic-gate static void
ipname_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)142*cb5caa98Sdjl ipname_getlogstr(char *name, char *whoami, size_t len, nss_XbyY_args_t *argp) {
143*cb5caa98Sdjl (void) snprintf(whoami, len, "%s [key=%s:af=%d:flags=%d]",
144*cb5caa98Sdjl name,
145*cb5caa98Sdjl argp->key.ipnode.name,
146*cb5caa98Sdjl argp->key.ipnode.af_family,
147*cb5caa98Sdjl argp->key.ipnode.flags);
1487c478bd9Sstevel@tonic-gate }
149