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 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30 #pragma ident "%Z%%M% %I% %E% SMI"
31
32 /* LINTLIBRARY */
33
34 # include <stdio.h>
35
36 # include "lp.h"
37 # include "users.h"
38
39 static int loaded = 0;
40 static struct user_priority *ppri_tbl;
41 struct user_priority *ld_priority_file();
42 static USER usr;
43
putuser(char * user,USER * pri_s)44 int putuser ( char * user, USER * pri_s )
45 {
46 int fd;
47
48 if (!loaded)
49 {
50 if (!(ppri_tbl = ld_priority_file(Lp_Users)))
51 return(-1);
52 loaded = 1;
53 }
54
55 if (!add_user(ppri_tbl, user, pri_s->priority_limit))
56 {
57 return(-1);
58 }
59
60 if ((fd = open_locked(Lp_Users, "w", LPU_MODE)) < 0)
61 return(-1);
62 output_tbl(fd, ppri_tbl);
63 close(fd);
64 return(0);
65 }
66
getuser(char * user)67 USER * getuser ( char * user )
68 {
69 int limit;
70
71 /* root and lp do not get a limit */
72 if (STREQU(user, "root") || STREQU(user, LPUSER))
73 {
74 usr.priority_limit = 0;
75 return(&usr);
76 }
77
78 if (!loaded)
79 {
80 if (!(ppri_tbl = ld_priority_file(Lp_Users)))
81 return((USER *)0);
82
83 loaded = 1;
84 }
85
86 for (limit = PRI_MIN; limit <= PRI_MAX; limit++)
87 if (bang_searchlist(user, ppri_tbl->users[limit - PRI_MIN]))
88 {
89 usr.priority_limit = limit;
90 return(&usr);
91 }
92
93 usr.priority_limit = ppri_tbl->deflt_limit;
94 return(&usr);
95 }
96
deluser(char * user)97 int deluser ( char * user )
98 {
99 int fd;
100
101 if (!loaded)
102 {
103 if (!(ppri_tbl = ld_priority_file(Lp_Users)))
104 return(-1);
105
106 loaded = 1;
107 }
108
109 del_user(ppri_tbl, user);
110
111 if ((fd = open_locked(Lp_Users, "w", LPU_MODE)) < 0)
112 return(-1);
113
114 output_tbl(fd, ppri_tbl);
115 close(fd);
116 return(0);
117 }
118
getdfltpri(void)119 int getdfltpri ( void )
120 {
121 if (!loaded)
122 {
123 if (!(ppri_tbl = ld_priority_file(Lp_Users)))
124 return(-1);
125
126 loaded = 1;
127 }
128
129 return (ppri_tbl->deflt);
130 }
131
132 void
trashusers(void)133 trashusers(void)
134 {
135 int limit;
136
137 if (loaded)
138 {
139 if (ppri_tbl)
140 {
141 for (limit = PRI_MIN; limit <= PRI_MAX; limit++)
142 freelist (ppri_tbl->users[limit - PRI_MIN]);
143 ppri_tbl = 0;
144 }
145 loaded = 0;
146 }
147 }
148
149