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 * files/getprotoent.c -- "files" backend for nsswitch "protocols" database
26 */
27
28 #include <netdb.h>
29 #include "files_common.h"
30 #include <strings.h>
31 #include <ctype.h>
32 #include <stdlib.h>
33
34 static nss_status_t
getbyname(be,a)35 getbyname(be, a)
36 files_backend_ptr_t be;
37 void *a;
38 {
39 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
40
41 return (_nss_files_XY_all(be, argp, 1, argp->key.name,
42 _nss_files_check_name_aliases));
43 }
44
45 static int
check_addr(nss_XbyY_args_t * argp,const char * line,int linelen)46 check_addr(nss_XbyY_args_t *argp, const char *line, int linelen)
47 {
48 int proto;
49 const char *limit, *linep;
50
51 linep = line;
52 limit = line + linelen;
53
54 /* skip name */
55 while (linep < limit && !isspace(*linep))
56 linep++;
57 /* skip the delimiting spaces */
58 while (linep < limit && isspace(*linep))
59 linep++;
60 if (linep == limit)
61 return (0);
62 proto = (int)strtol(linep, NULL, 10);
63 return (proto == argp->key.number);
64 }
65
66 static nss_status_t
getbynumber(be,a)67 getbynumber(be, a)
68 files_backend_ptr_t be;
69 void *a;
70 {
71 nss_XbyY_args_t *argp = (nss_XbyY_args_t *)a;
72 char numstr[12];
73
74 (void) snprintf(numstr, 12, "%d", argp->key.number);
75 return (_nss_files_XY_all(be, argp, 1, 0, check_addr));
76 }
77
78 static files_backend_op_t proto_ops[] = {
79 _nss_files_destr,
80 _nss_files_endent,
81 _nss_files_setent,
82 _nss_files_getent_netdb,
83 getbyname,
84 getbynumber
85 };
86
87 /*ARGSUSED*/
88 nss_backend_t *
_nss_files_protocols_constr(dummy1,dummy2,dummy3)89 _nss_files_protocols_constr(dummy1, dummy2, dummy3)
90 const char *dummy1, *dummy2, *dummy3;
91 {
92 return (_nss_files_constr(proto_ops,
93 sizeof (proto_ops) / sizeof (proto_ops[0]),
94 _PATH_PROTOCOLS,
95 NSS_LINELEN_PROTOCOLS,
96 NULL));
97 }
98