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 <strings.h>
30*0Sstevel@tonic-gate #include "cryptoadm.h"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate  * Create one item of type mechlist_t with the mechanism name.  A null is
35*0Sstevel@tonic-gate  * returned to indicate that the storage space available is insufficient.
36*0Sstevel@tonic-gate  */
37*0Sstevel@tonic-gate mechlist_t *
38*0Sstevel@tonic-gate create_mech(char *name)
39*0Sstevel@tonic-gate {
40*0Sstevel@tonic-gate 	mechlist_t *pres = NULL;
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate 	if (name == NULL) {
43*0Sstevel@tonic-gate 		return (NULL);
44*0Sstevel@tonic-gate 	}
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 	pres = malloc(sizeof (mechlist_t));
47*0Sstevel@tonic-gate 	if (pres == NULL) {
48*0Sstevel@tonic-gate 		cryptodebug("out of memory.");
49*0Sstevel@tonic-gate 		return (NULL);
50*0Sstevel@tonic-gate 	}
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	(void) strlcpy(pres->name, name, sizeof (pres->name));
53*0Sstevel@tonic-gate 	pres->next = NULL;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	return (pres);
56*0Sstevel@tonic-gate }
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate void
61*0Sstevel@tonic-gate free_mechlist(mechlist_t *plist)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	mechlist_t *pnext;
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	while (plist != NULL) {
66*0Sstevel@tonic-gate 		pnext = plist->next;
67*0Sstevel@tonic-gate 		free(plist);
68*0Sstevel@tonic-gate 		plist = pnext;
69*0Sstevel@tonic-gate 	}
70*0Sstevel@tonic-gate }
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /*
75*0Sstevel@tonic-gate  * Check if the mechanism is in the mechanism list.
76*0Sstevel@tonic-gate  */
77*0Sstevel@tonic-gate boolean_t
78*0Sstevel@tonic-gate is_in_list(char *mechname, mechlist_t *plist)
79*0Sstevel@tonic-gate {
80*0Sstevel@tonic-gate 	boolean_t found = B_FALSE;
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate 	if (mechname == NULL) {
83*0Sstevel@tonic-gate 		return (B_FALSE);
84*0Sstevel@tonic-gate 	}
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	while (plist != NULL) {
87*0Sstevel@tonic-gate 		if (strcmp(plist->name, mechname) == 0) {
88*0Sstevel@tonic-gate 			found = B_TRUE;
89*0Sstevel@tonic-gate 			break;
90*0Sstevel@tonic-gate 		}
91*0Sstevel@tonic-gate 		plist = plist->next;
92*0Sstevel@tonic-gate 	}
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate 	return (found);
95*0Sstevel@tonic-gate }
96