xref: /onnv-gate/usr/src/lib/libfsmgt/common/nfs_netcfg.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate #include <errno.h>
30*0Sstevel@tonic-gate #include <netconfig.h>
31*0Sstevel@tonic-gate #include <stdlib.h>
32*0Sstevel@tonic-gate #include <string.h>
33*0Sstevel@tonic-gate #include "libfsmgt.h"
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate /*
36*0Sstevel@tonic-gate  * Public methods
37*0Sstevel@tonic-gate  */
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate void
netcfg_free_networkid_list(char ** netlist,int num_elements)40*0Sstevel@tonic-gate netcfg_free_networkid_list(char **netlist, int num_elements)
41*0Sstevel@tonic-gate {
42*0Sstevel@tonic-gate 	fileutil_free_string_array(netlist, num_elements);
43*0Sstevel@tonic-gate } /* netcfg_free_networkid_list */
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate char **
netcfg_get_networkid_list(int * num_elements,int * errp)46*0Sstevel@tonic-gate netcfg_get_networkid_list(int *num_elements, int *errp)
47*0Sstevel@tonic-gate {
48*0Sstevel@tonic-gate 	struct netconfig	*nconf;
49*0Sstevel@tonic-gate 	NCONF_HANDLE		*nc;
50*0Sstevel@tonic-gate 	char			**return_list = NULL;
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	/*
53*0Sstevel@tonic-gate 	 * setnetconfig must be called before getnetconfig in order to get the
54*0Sstevel@tonic-gate 	 * netconfig handle.
55*0Sstevel@tonic-gate 	 */
56*0Sstevel@tonic-gate 	if ((nc = setnetconfig()) == (NCONF_HANDLE *)NULL) {
57*0Sstevel@tonic-gate 		*errp = errno;
58*0Sstevel@tonic-gate 		return (NULL);
59*0Sstevel@tonic-gate 	}
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate 	*num_elements = 0;
62*0Sstevel@tonic-gate 	while (nconf = getnetconfig(nc)) {
63*0Sstevel@tonic-gate 		char	**tmp_list;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 		/*
66*0Sstevel@tonic-gate 		 * Put the elements in the array.
67*0Sstevel@tonic-gate 		 */
68*0Sstevel@tonic-gate 		tmp_list = realloc(return_list,
69*0Sstevel@tonic-gate 			(size_t)(((*num_elements)+1) * sizeof (char *)));
70*0Sstevel@tonic-gate 		if (tmp_list == NULL) {
71*0Sstevel@tonic-gate 			*errp = errno;
72*0Sstevel@tonic-gate 			netcfg_free_networkid_list(return_list, *num_elements);
73*0Sstevel@tonic-gate 			*num_elements = 0;
74*0Sstevel@tonic-gate 			(void) endnetconfig(nc);
75*0Sstevel@tonic-gate 			return (NULL);
76*0Sstevel@tonic-gate 		}
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate 		return_list = tmp_list;
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate 		return_list[(*num_elements)] = strdup(nconf->nc_netid);
81*0Sstevel@tonic-gate 		if (return_list[(*num_elements)] == NULL) {
82*0Sstevel@tonic-gate 			*errp = ENOMEM;
83*0Sstevel@tonic-gate 			netcfg_free_networkid_list(return_list, *num_elements);
84*0Sstevel@tonic-gate 			*num_elements = 0;
85*0Sstevel@tonic-gate 			(void) endnetconfig(nc);
86*0Sstevel@tonic-gate 			return (NULL);
87*0Sstevel@tonic-gate 		}
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate 		*num_elements = *num_elements + 1;
90*0Sstevel@tonic-gate 	}
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate 	(void) endnetconfig(nc);
93*0Sstevel@tonic-gate 	/*
94*0Sstevel@tonic-gate 	 * Caller must free the space allocated to return_list by calling
95*0Sstevel@tonic-gate 	 * netcfg_free_networkid_list.
96*0Sstevel@tonic-gate 	 */
97*0Sstevel@tonic-gate 	return (return_list);
98*0Sstevel@tonic-gate } /* netcfg_get_networkid_list */
99