xref: /titanic_52/usr/src/cmd/getent/dogetserv.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate #ident	"%Z%%M%	%I%	%E% SMI"
23*7c478bd9Sstevel@tonic-gate 
24*7c478bd9Sstevel@tonic-gate /*
25*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1994, by Sun Microsystems, Inc.
26*7c478bd9Sstevel@tonic-gate  */
27*7c478bd9Sstevel@tonic-gate 
28*7c478bd9Sstevel@tonic-gate #include <stdio.h>
29*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
30*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
31*7c478bd9Sstevel@tonic-gate #include <sys/socket.h>
32*7c478bd9Sstevel@tonic-gate #include <netinet/in.h>
33*7c478bd9Sstevel@tonic-gate #include <string.h>
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate #include <netdb.h>
36*7c478bd9Sstevel@tonic-gate #include "getent.h"
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate static int
39*7c478bd9Sstevel@tonic-gate putservent(const struct servent *sp, FILE *fp)
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate 	char **p;
42*7c478bd9Sstevel@tonic-gate 	int rc = 0;
43*7c478bd9Sstevel@tonic-gate 
44*7c478bd9Sstevel@tonic-gate 	if (sp == NULL) {
45*7c478bd9Sstevel@tonic-gate 		return (1);
46*7c478bd9Sstevel@tonic-gate 	}
47*7c478bd9Sstevel@tonic-gate 
48*7c478bd9Sstevel@tonic-gate 	if (fprintf(fp, "%-20s %d/%s",
49*7c478bd9Sstevel@tonic-gate 		    sp->s_name, ntohs(sp->s_port), sp->s_proto) == EOF)
50*7c478bd9Sstevel@tonic-gate 		rc = 1;
51*7c478bd9Sstevel@tonic-gate 	for (p = sp->s_aliases; *p != 0; p++) {
52*7c478bd9Sstevel@tonic-gate 		if (fprintf(fp, " %s", *p) == EOF)
53*7c478bd9Sstevel@tonic-gate 			rc = 1;
54*7c478bd9Sstevel@tonic-gate 	}
55*7c478bd9Sstevel@tonic-gate 	if (putc('\n', fp) == EOF)
56*7c478bd9Sstevel@tonic-gate 		rc = 1;
57*7c478bd9Sstevel@tonic-gate 	return (rc);
58*7c478bd9Sstevel@tonic-gate }
59*7c478bd9Sstevel@tonic-gate 
60*7c478bd9Sstevel@tonic-gate /*
61*7c478bd9Sstevel@tonic-gate  * getservbyname/addr - get entries from service database
62*7c478bd9Sstevel@tonic-gate  * Accepts arguments as:
63*7c478bd9Sstevel@tonic-gate  *	port/protocol
64*7c478bd9Sstevel@tonic-gate  *	port
65*7c478bd9Sstevel@tonic-gate  *	name/protocol
66*7c478bd9Sstevel@tonic-gate  *	name
67*7c478bd9Sstevel@tonic-gate  */
68*7c478bd9Sstevel@tonic-gate int
69*7c478bd9Sstevel@tonic-gate dogetserv(const char **list)
70*7c478bd9Sstevel@tonic-gate {
71*7c478bd9Sstevel@tonic-gate 	struct servent *sp;
72*7c478bd9Sstevel@tonic-gate 	int rc = EXC_SUCCESS;
73*7c478bd9Sstevel@tonic-gate 
74*7c478bd9Sstevel@tonic-gate 	if (list == NULL || *list == NULL) {
75*7c478bd9Sstevel@tonic-gate 		while ((sp = getservent()) != NULL)
76*7c478bd9Sstevel@tonic-gate 			(void) putservent(sp, stdout);
77*7c478bd9Sstevel@tonic-gate 	} else {
78*7c478bd9Sstevel@tonic-gate 		for (; *list != NULL; list++) {
79*7c478bd9Sstevel@tonic-gate 			int port;
80*7c478bd9Sstevel@tonic-gate 			char key[BUFSIZ];
81*7c478bd9Sstevel@tonic-gate 			const char *protocol = NULL;
82*7c478bd9Sstevel@tonic-gate 			char *cp;
83*7c478bd9Sstevel@tonic-gate 
84*7c478bd9Sstevel@tonic-gate 			/* Copy string to avoiding modifying the argument */
85*7c478bd9Sstevel@tonic-gate 			(void) strncpy(key, *list, sizeof (key));
86*7c478bd9Sstevel@tonic-gate 			key[sizeof (key) - 1] = NULL;
87*7c478bd9Sstevel@tonic-gate 			/* Split at a '/' to extract protocol number */
88*7c478bd9Sstevel@tonic-gate 			if ((cp = strchr(key, '/')) != NULL) {
89*7c478bd9Sstevel@tonic-gate 				*cp = NULL;
90*7c478bd9Sstevel@tonic-gate 				protocol = cp + 1;
91*7c478bd9Sstevel@tonic-gate 			}
92*7c478bd9Sstevel@tonic-gate 			port = htons(atoi(key));
93*7c478bd9Sstevel@tonic-gate 			if (port != 0)
94*7c478bd9Sstevel@tonic-gate 				sp = getservbyport(port, protocol);
95*7c478bd9Sstevel@tonic-gate 			else
96*7c478bd9Sstevel@tonic-gate 				sp = getservbyname(key, protocol);
97*7c478bd9Sstevel@tonic-gate 			if (sp == NULL)
98*7c478bd9Sstevel@tonic-gate 				rc = EXC_NAME_NOT_FOUND;
99*7c478bd9Sstevel@tonic-gate 			else
100*7c478bd9Sstevel@tonic-gate 				(void) putservent(sp, stdout);
101*7c478bd9Sstevel@tonic-gate 		}
102*7c478bd9Sstevel@tonic-gate 	}
103*7c478bd9Sstevel@tonic-gate 
104*7c478bd9Sstevel@tonic-gate 	return (rc);
105*7c478bd9Sstevel@tonic-gate }
106