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comparison usr/src/cmd/getent/dogetserv.c @ 0:c9caec207d52 b86

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Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
comparison
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-1:000000000000 0:c9caec207d52
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 "@(#)dogetserv.c 1.5 05/06/08 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
38 static int
39 putservent(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 */
68 int
69 dogetserv(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 }