1*cb5caa98Sdjl /*
2*cb5caa98Sdjl * CDDL HEADER START
3*cb5caa98Sdjl *
4*cb5caa98Sdjl * 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.
7*cb5caa98Sdjl *
8*cb5caa98Sdjl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9*cb5caa98Sdjl * or http://www.opensolaris.org/os/licensing.
10*cb5caa98Sdjl * See the License for the specific language governing permissions
11*cb5caa98Sdjl * and limitations under the License.
12*cb5caa98Sdjl *
13*cb5caa98Sdjl * When distributing Covered Code, include this CDDL HEADER in each
14*cb5caa98Sdjl * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15*cb5caa98Sdjl * If applicable, add the following below this CDDL HEADER, with the
16*cb5caa98Sdjl * fields enclosed by brackets "[]" replaced with your own identifying
17*cb5caa98Sdjl * information: Portions Copyright [yyyy] [name of copyright owner]
18*cb5caa98Sdjl *
19*cb5caa98Sdjl * CDDL HEADER END
20*cb5caa98Sdjl */
21*cb5caa98Sdjl /*
22*cb5caa98Sdjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23*cb5caa98Sdjl * Use is subject to license terms.
24*cb5caa98Sdjl */
25*cb5caa98Sdjl
26*cb5caa98Sdjl /*
27*cb5caa98Sdjl * Routines to handle getserv* calls in nscd
28*cb5caa98Sdjl */
29*cb5caa98Sdjl
30*cb5caa98Sdjl #include <strings.h>
31*cb5caa98Sdjl #include "cache.h"
32*cb5caa98Sdjl
33*cb5caa98Sdjl
34*cb5caa98Sdjl #define name_db ctx->nsc_db[0]
35*cb5caa98Sdjl #define port_db ctx->nsc_db[1]
36*cb5caa98Sdjl
37*cb5caa98Sdjl #define NSC_NAME_SERVICES_BYNAME "getservbyname"
38*cb5caa98Sdjl #define NSC_NAME_SERVICES_BYPORT "getservbyport"
39*cb5caa98Sdjl
40*cb5caa98Sdjl static void servname_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
41*cb5caa98Sdjl static int servname_compar(const void *, const void *);
42*cb5caa98Sdjl static uint_t servname_gethash(nss_XbyY_key_t *, int);
43*cb5caa98Sdjl
44*cb5caa98Sdjl static void servport_getlogstr(char *, char *, size_t, nss_XbyY_args_t *);
45*cb5caa98Sdjl static int servport_compar(const void *, const void *);
46*cb5caa98Sdjl static uint_t servport_gethash(nss_XbyY_key_t *, int);
47*cb5caa98Sdjl
48*cb5caa98Sdjl void
serv_init_ctx(nsc_ctx_t * ctx)49*cb5caa98Sdjl serv_init_ctx(nsc_ctx_t *ctx) {
50*cb5caa98Sdjl ctx->dbname = NSS_DBNAM_SERVICES;
51*cb5caa98Sdjl ctx->file_name = "/etc/services";
52*cb5caa98Sdjl ctx->db_count = 2;
53*cb5caa98Sdjl name_db = make_cache(nsc_key_other,
54*cb5caa98Sdjl NSS_DBOP_SERVICES_BYNAME,
55*cb5caa98Sdjl NSC_NAME_SERVICES_BYNAME,
56*cb5caa98Sdjl servname_compar,
57*cb5caa98Sdjl servname_getlogstr,
58*cb5caa98Sdjl servname_gethash, nsc_ht_default, -1);
59*cb5caa98Sdjl
60*cb5caa98Sdjl port_db = make_cache(nsc_key_other,
61*cb5caa98Sdjl NSS_DBOP_SERVICES_BYPORT,
62*cb5caa98Sdjl NSC_NAME_SERVICES_BYPORT,
63*cb5caa98Sdjl servport_compar,
64*cb5caa98Sdjl servport_getlogstr,
65*cb5caa98Sdjl servport_gethash, nsc_ht_default, -1);
66*cb5caa98Sdjl }
67*cb5caa98Sdjl
68*cb5caa98Sdjl static int
servname_compar(const void * n1,const void * n2)69*cb5caa98Sdjl servname_compar(const void *n1, const void *n2) {
70*cb5caa98Sdjl nsc_entry_t *e1, *e2;
71*cb5caa98Sdjl int res, l1, l2;
72*cb5caa98Sdjl
73*cb5caa98Sdjl e1 = (nsc_entry_t *)n1;
74*cb5caa98Sdjl e2 = (nsc_entry_t *)n2;
75*cb5caa98Sdjl
76*cb5caa98Sdjl /* compare protocol */
77*cb5caa98Sdjl if (e1->key.serv.proto == NULL && e2->key.serv.proto)
78*cb5caa98Sdjl return (-1);
79*cb5caa98Sdjl if (e1->key.serv.proto && e2->key.serv.proto == NULL)
80*cb5caa98Sdjl return (1);
81*cb5caa98Sdjl if (e1->key.serv.proto) {
82*cb5caa98Sdjl l1 = strlen(e1->key.serv.proto);
83*cb5caa98Sdjl l2 = strlen(e2->key.serv.proto);
84*cb5caa98Sdjl res = strncmp(e1->key.serv.proto, e2->key.serv.proto,
85*cb5caa98Sdjl (l1 > l2)?l1:l2);
86*cb5caa98Sdjl if (res > 0)
87*cb5caa98Sdjl return (1);
88*cb5caa98Sdjl if (res < 0)
89*cb5caa98Sdjl return (-1);
90*cb5caa98Sdjl }
91*cb5caa98Sdjl
92*cb5caa98Sdjl /* compare service name */
93*cb5caa98Sdjl l1 = strlen(e1->key.serv.serv.name);
94*cb5caa98Sdjl l2 = strlen(e2->key.serv.serv.name);
95*cb5caa98Sdjl res = strncmp(e1->key.serv.serv.name, e2->key.serv.serv.name,
96*cb5caa98Sdjl (l1 > l2)?l1:l2);
97*cb5caa98Sdjl return (_NSC_INT_KEY_CMP(res, 0));
98*cb5caa98Sdjl }
99*cb5caa98Sdjl
100*cb5caa98Sdjl static uint_t
servname_gethash(nss_XbyY_key_t * key,int htsize)101*cb5caa98Sdjl servname_gethash(nss_XbyY_key_t *key, int htsize) {
102*cb5caa98Sdjl return (ces_gethash(key->serv.serv.name, htsize));
103*cb5caa98Sdjl }
104*cb5caa98Sdjl
105*cb5caa98Sdjl static void
servname_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)106*cb5caa98Sdjl servname_getlogstr(char *name, char *whoami, size_t len,
107*cb5caa98Sdjl nss_XbyY_args_t *argp) {
108*cb5caa98Sdjl (void) snprintf(whoami, len, "%s [key=%s, %s]",
109*cb5caa98Sdjl name,
110*cb5caa98Sdjl argp->key.serv.serv.name,
111*cb5caa98Sdjl check_null(argp->key.serv.proto));
112*cb5caa98Sdjl }
113*cb5caa98Sdjl
114*cb5caa98Sdjl static int
servport_compar(const void * n1,const void * n2)115*cb5caa98Sdjl servport_compar(const void *n1, const void *n2) {
116*cb5caa98Sdjl nsc_entry_t *e1, *e2;
117*cb5caa98Sdjl int res, l1, l2;
118*cb5caa98Sdjl
119*cb5caa98Sdjl e1 = (nsc_entry_t *)n1;
120*cb5caa98Sdjl e2 = (nsc_entry_t *)n2;
121*cb5caa98Sdjl
122*cb5caa98Sdjl /* compare protocol */
123*cb5caa98Sdjl if (e1->key.serv.proto == NULL && e2->key.serv.proto)
124*cb5caa98Sdjl return (-1);
125*cb5caa98Sdjl if (e1->key.serv.proto && e2->key.serv.proto == NULL)
126*cb5caa98Sdjl return (1);
127*cb5caa98Sdjl if (e1->key.serv.proto) {
128*cb5caa98Sdjl l1 = strlen(e1->key.serv.proto);
129*cb5caa98Sdjl l2 = strlen(e2->key.serv.proto);
130*cb5caa98Sdjl res = strncmp(e1->key.serv.proto, e2->key.serv.proto,
131*cb5caa98Sdjl (l1 > l2)?l1:l2);
132*cb5caa98Sdjl if (res > 0)
133*cb5caa98Sdjl return (1);
134*cb5caa98Sdjl if (res < 0)
135*cb5caa98Sdjl return (-1);
136*cb5caa98Sdjl }
137*cb5caa98Sdjl
138*cb5caa98Sdjl /* compare port */
139*cb5caa98Sdjl return (_NSC_INT_KEY_CMP(e1->key.serv.serv.port,
140*cb5caa98Sdjl e2->key.serv.serv.port));
141*cb5caa98Sdjl }
142*cb5caa98Sdjl
143*cb5caa98Sdjl static uint_t
servport_gethash(nss_XbyY_key_t * key,int htsize)144*cb5caa98Sdjl servport_gethash(nss_XbyY_key_t *key, int htsize) {
145*cb5caa98Sdjl return (db_gethash(&key->serv.serv.port,
146*cb5caa98Sdjl sizeof (key->serv.serv.port), htsize));
147*cb5caa98Sdjl }
148*cb5caa98Sdjl
149*cb5caa98Sdjl static void
servport_getlogstr(char * name,char * whoami,size_t len,nss_XbyY_args_t * argp)150*cb5caa98Sdjl servport_getlogstr(char *name, char *whoami, size_t len,
151*cb5caa98Sdjl nss_XbyY_args_t *argp) {
152*cb5caa98Sdjl (void) snprintf(whoami, len, "%s [key=%d, %s]",
153*cb5caa98Sdjl name,
154*cb5caa98Sdjl argp->key.serv.serv.port,
155*cb5caa98Sdjl check_null(argp->key.serv.proto));
156*cb5caa98Sdjl }
157