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 1997 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 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28*0Sstevel@tonic-gate /* All Rights Reserved */
29*0Sstevel@tonic-gate
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.9 */
32*0Sstevel@tonic-gate /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33*0Sstevel@tonic-gate
34*0Sstevel@tonic-gate #include "stdio.h"
35*0Sstevel@tonic-gate #include "errno.h"
36*0Sstevel@tonic-gate #include "string.h"
37*0Sstevel@tonic-gate #include "stdlib.h"
38*0Sstevel@tonic-gate
39*0Sstevel@tonic-gate #include "lp.h"
40*0Sstevel@tonic-gate #include "access.h"
41*0Sstevel@tonic-gate
42*0Sstevel@tonic-gate static char **_loadaccess ( char * );
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate /**
45*0Sstevel@tonic-gate ** load_userform_access() - LOAD ALLOW/DENY LISTS FOR USER+FORM
46*0Sstevel@tonic-gate **/
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate int
load_userform_access(char * form,char *** pallow,char *** pdeny)49*0Sstevel@tonic-gate load_userform_access(char *form, char ***pallow, char ***pdeny)
50*0Sstevel@tonic-gate {
51*0Sstevel@tonic-gate return (loadaccess(Lp_A_Forms, form, "", pallow, pdeny));
52*0Sstevel@tonic-gate }
53*0Sstevel@tonic-gate
54*0Sstevel@tonic-gate /**
55*0Sstevel@tonic-gate ** load_userprinter_access() - LOAD ALLOW/DENY LISTS FOR USER+PRINTER
56*0Sstevel@tonic-gate **/
57*0Sstevel@tonic-gate
58*0Sstevel@tonic-gate int
load_userprinter_access(char * printer,char *** pallow,char *** pdeny)59*0Sstevel@tonic-gate load_userprinter_access(char *printer, char ***pallow, char ***pdeny)
60*0Sstevel@tonic-gate {
61*0Sstevel@tonic-gate return (loadaccess(Lp_A_Printers, printer, UACCESSPREFIX, pallow,
62*0Sstevel@tonic-gate pdeny));
63*0Sstevel@tonic-gate }
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate /**
66*0Sstevel@tonic-gate ** load_formprinter_access() - LOAD ALLOW/DENY LISTS FOR FORM+PRINTER
67*0Sstevel@tonic-gate **/
68*0Sstevel@tonic-gate
69*0Sstevel@tonic-gate int
load_formprinter_access(char * printer,char *** pallow,char *** pdeny)70*0Sstevel@tonic-gate load_formprinter_access(char *printer, char ***pallow, char ***pdeny)
71*0Sstevel@tonic-gate {
72*0Sstevel@tonic-gate return (loadaccess(Lp_A_Printers, printer, FACCESSPREFIX, pallow,
73*0Sstevel@tonic-gate pdeny));
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate
76*0Sstevel@tonic-gate /**
77*0Sstevel@tonic-gate ** load_paperprinter_access() - LOAD ALLOW/DENY LISTS FOR FORM+PRINTER
78*0Sstevel@tonic-gate **/
79*0Sstevel@tonic-gate
80*0Sstevel@tonic-gate int
load_paperprinter_access(char * printer,char *** pallow,char *** pdeny)81*0Sstevel@tonic-gate load_paperprinter_access(char *printer, char ***pallow, char ***pdeny)
82*0Sstevel@tonic-gate {
83*0Sstevel@tonic-gate return (loadaccess(Lp_A_Printers, printer, PACCESSPREFIX, pallow,
84*0Sstevel@tonic-gate pdeny));
85*0Sstevel@tonic-gate }
86*0Sstevel@tonic-gate
87*0Sstevel@tonic-gate /**
88*0Sstevel@tonic-gate ** loadaccess() - LOAD ALLOW OR DENY LISTS
89*0Sstevel@tonic-gate **/
90*0Sstevel@tonic-gate
91*0Sstevel@tonic-gate int
loadaccess(char * dir,char * name,char * prefix,char *** pallow,char *** pdeny)92*0Sstevel@tonic-gate loadaccess(char *dir, char *name, char *prefix, char ***pallow, char ***pdeny)
93*0Sstevel@tonic-gate {
94*0Sstevel@tonic-gate register char *allow_file = 0,
95*0Sstevel@tonic-gate *deny_file = 0;
96*0Sstevel@tonic-gate
97*0Sstevel@tonic-gate int ret;
98*0Sstevel@tonic-gate
99*0Sstevel@tonic-gate if (
100*0Sstevel@tonic-gate !(allow_file = getaccessfile(dir, name, prefix, ALLOWFILE))
101*0Sstevel@tonic-gate || !(*pallow = _loadaccess(allow_file)) && errno != ENOENT
102*0Sstevel@tonic-gate || !(deny_file = getaccessfile(dir, name, prefix, DENYFILE))
103*0Sstevel@tonic-gate || !(*pdeny = _loadaccess(deny_file)) && errno != ENOENT
104*0Sstevel@tonic-gate )
105*0Sstevel@tonic-gate ret = -1;
106*0Sstevel@tonic-gate else
107*0Sstevel@tonic-gate ret = 0;
108*0Sstevel@tonic-gate
109*0Sstevel@tonic-gate if (allow_file)
110*0Sstevel@tonic-gate Free (allow_file);
111*0Sstevel@tonic-gate if (deny_file)
112*0Sstevel@tonic-gate Free (deny_file);
113*0Sstevel@tonic-gate
114*0Sstevel@tonic-gate return (ret);
115*0Sstevel@tonic-gate }
116*0Sstevel@tonic-gate
117*0Sstevel@tonic-gate /**
118*0Sstevel@tonic-gate ** _loadaccess() - LOAD ALLOW OR DENY FILE
119*0Sstevel@tonic-gate **/
120*0Sstevel@tonic-gate
121*0Sstevel@tonic-gate static char **
_loadaccess(char * file)122*0Sstevel@tonic-gate _loadaccess(char *file)
123*0Sstevel@tonic-gate {
124*0Sstevel@tonic-gate register size_t nalloc,
125*0Sstevel@tonic-gate nlist;
126*0Sstevel@tonic-gate
127*0Sstevel@tonic-gate register char **list;
128*0Sstevel@tonic-gate
129*0Sstevel@tonic-gate int fd;
130*0Sstevel@tonic-gate
131*0Sstevel@tonic-gate char buf[BUFSIZ];
132*0Sstevel@tonic-gate
133*0Sstevel@tonic-gate
134*0Sstevel@tonic-gate if ((fd = open_locked(file, "r", 0)) < 0)
135*0Sstevel@tonic-gate return (0);
136*0Sstevel@tonic-gate
137*0Sstevel@tonic-gate /*
138*0Sstevel@tonic-gate * Preallocate space for the initial list. We'll always
139*0Sstevel@tonic-gate * allocate one more than the list size, for the terminating null.
140*0Sstevel@tonic-gate */
141*0Sstevel@tonic-gate nalloc = ACC_MAX_GUESS;
142*0Sstevel@tonic-gate list = (char **)Malloc((nalloc + 1) * sizeof(char *));
143*0Sstevel@tonic-gate if (!list) {
144*0Sstevel@tonic-gate close(fd);
145*0Sstevel@tonic-gate errno = ENOMEM;
146*0Sstevel@tonic-gate return (0);
147*0Sstevel@tonic-gate }
148*0Sstevel@tonic-gate
149*0Sstevel@tonic-gate errno = 0;
150*0Sstevel@tonic-gate for (nlist = 0; fdgets(buf, BUFSIZ, fd); ) {
151*0Sstevel@tonic-gate
152*0Sstevel@tonic-gate buf[strlen(buf) - 1] = 0;
153*0Sstevel@tonic-gate
154*0Sstevel@tonic-gate /*
155*0Sstevel@tonic-gate * Allocate more space if needed.
156*0Sstevel@tonic-gate */
157*0Sstevel@tonic-gate if (nlist >= nalloc) {
158*0Sstevel@tonic-gate nalloc += ACC_MAX_GUESS;
159*0Sstevel@tonic-gate list = (char **)Realloc(
160*0Sstevel@tonic-gate (char *)list,
161*0Sstevel@tonic-gate (nalloc + 1) * sizeof(char *)
162*0Sstevel@tonic-gate );
163*0Sstevel@tonic-gate if (!list) {
164*0Sstevel@tonic-gate close(fd);
165*0Sstevel@tonic-gate return (0);
166*0Sstevel@tonic-gate }
167*0Sstevel@tonic-gate }
168*0Sstevel@tonic-gate
169*0Sstevel@tonic-gate list[nlist] = Strdup(buf); /* if fail, minor problem */
170*0Sstevel@tonic-gate list[++nlist] = 0;
171*0Sstevel@tonic-gate
172*0Sstevel@tonic-gate }
173*0Sstevel@tonic-gate if (errno != 0) {
174*0Sstevel@tonic-gate int save_errno = errno;
175*0Sstevel@tonic-gate
176*0Sstevel@tonic-gate close(fd);
177*0Sstevel@tonic-gate freelist (list);
178*0Sstevel@tonic-gate errno = save_errno;
179*0Sstevel@tonic-gate return (0);
180*0Sstevel@tonic-gate }
181*0Sstevel@tonic-gate close(fd);
182*0Sstevel@tonic-gate
183*0Sstevel@tonic-gate /*
184*0Sstevel@tonic-gate * If we have more space allocated than we need,
185*0Sstevel@tonic-gate * return the extra.
186*0Sstevel@tonic-gate */
187*0Sstevel@tonic-gate if (nlist != nalloc) {
188*0Sstevel@tonic-gate list = (char **)Realloc(
189*0Sstevel@tonic-gate (char *)list,
190*0Sstevel@tonic-gate (nlist + 1) * sizeof(char *)
191*0Sstevel@tonic-gate );
192*0Sstevel@tonic-gate if (!list) {
193*0Sstevel@tonic-gate errno = ENOMEM;
194*0Sstevel@tonic-gate return (0);
195*0Sstevel@tonic-gate }
196*0Sstevel@tonic-gate }
197*0Sstevel@tonic-gate list[nlist] = 0;
198*0Sstevel@tonic-gate
199*0Sstevel@tonic-gate return (list);
200*0Sstevel@tonic-gate }
201