xref: /illumos-gate/usr/src/cmd/lp/lib/users/usermgmt.c (revision f928ce67)
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