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, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22#ident	"%Z%%M%	%I%	%E% SMI"
23
24/*
25 * Copyright (c) 1994, by Sun Microsystems, Inc.
26 */
27
28#include <stdio.h>
29#include <stdlib.h>
30#include <sys/types.h>
31#include <sys/socket.h>
32#include <netinet/in.h>
33#include <string.h>
34
35#include <netdb.h>
36#include "getent.h"
37
38static int
39putservent(const struct servent *sp, FILE *fp)
40{
41	char **p;
42	int rc = 0;
43
44	if (sp == NULL) {
45		return (1);
46	}
47
48	if (fprintf(fp, "%-20s %d/%s",
49		    sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF)
50		rc = 1;
51	for (p = sp->s_aliases; *p != 0; p++) {
52		if (fprintf(fp, " %s", *p) == EOF)
53			rc = 1;
54	}
55	if (putc('\n', fp) == EOF)
56		rc = 1;
57	return (rc);
58}
59
60/*
61 * getservbyname/addr - get entries from service database
62 * Accepts arguments as:
63 *	port/protocol
64 *	port
65 *	name/protocol
66 *	name
67 */
68int
69dogetserv(const char **list)
70{
71	struct servent *sp;
72	int rc = EXC_SUCCESS;
73
74	if (list == NULL || *list == NULL) {
75		while ((sp = getservent()) != NULL)
76			(void) putservent(sp, stdout);
77	} else {
78		for (; *list != NULL; list++) {
79			int port;
80			char key[BUFSIZ];
81			const char *protocol = NULL;
82			char *cp;
83
84			/* Copy string to avoiding modifying the argument */
85			(void) strncpy(key, *list, sizeof (key));
86			key[sizeof (key) - 1] = NULL;
87			/* Split at a '/' to extract protocol number */
88			if ((cp = strchr(key, '/')) != NULL) {
89				*cp = NULL;
90				protocol = cp + 1;
91			}
92			port = htons(atoi(key));
93			if (port != 0)
94				sp = getservbyport(port, protocol);
95			else
96				sp = getservbyname(key, protocol);
97			if (sp == NULL)
98				rc = EXC_NAME_NOT_FOUND;
99			else
100				(void) putservent(sp, stdout);
101		}
102	}
103
104	return (rc);
105}
106