xref: /onnv-gate/usr/src/cmd/lp/lib/access/change.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 1993 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 1.8	*/
32*0Sstevel@tonic-gate /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include "errno.h"
35*0Sstevel@tonic-gate #include "string.h"
36*0Sstevel@tonic-gate #include "stdlib.h"
37*0Sstevel@tonic-gate 
38*0Sstevel@tonic-gate #include "lp.h"
39*0Sstevel@tonic-gate #include "access.h"
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate static int		chgaccess ( int , char ** , char * , char * , char * );
42*0Sstevel@tonic-gate static char **		empty_list ( void );
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate /**
45*0Sstevel@tonic-gate  ** deny_user_form() - DENY USER ACCESS TO FORM
46*0Sstevel@tonic-gate  **/
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate int
deny_user_form(char ** user_list,char * form)49*0Sstevel@tonic-gate deny_user_form(char **user_list, char *form)
50*0Sstevel@tonic-gate {
51*0Sstevel@tonic-gate 	return (chgaccess(0, user_list, form, Lp_A_Forms, ""));
52*0Sstevel@tonic-gate }
53*0Sstevel@tonic-gate 
54*0Sstevel@tonic-gate /**
55*0Sstevel@tonic-gate  ** allow_user_form() - ALLOW USER ACCESS TO FORM
56*0Sstevel@tonic-gate  **/
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate int
allow_user_form(char ** user_list,char * form)59*0Sstevel@tonic-gate allow_user_form(char **user_list, char *form)
60*0Sstevel@tonic-gate {
61*0Sstevel@tonic-gate 	return (chgaccess(1, user_list, form, Lp_A_Forms, ""));
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate /**
65*0Sstevel@tonic-gate  ** deny_user_printer() - DENY USER ACCESS TO PRINTER
66*0Sstevel@tonic-gate  **/
67*0Sstevel@tonic-gate 
68*0Sstevel@tonic-gate int
deny_user_printer(char ** user_list,char * printer)69*0Sstevel@tonic-gate deny_user_printer(char **user_list, char *printer)
70*0Sstevel@tonic-gate {
71*0Sstevel@tonic-gate 	return (chgaccess(0, user_list, printer, Lp_A_Printers, UACCESSPREFIX));
72*0Sstevel@tonic-gate }
73*0Sstevel@tonic-gate 
74*0Sstevel@tonic-gate /**
75*0Sstevel@tonic-gate  ** allow_user_printer() - ALLOW USER ACCESS TO PRINTER
76*0Sstevel@tonic-gate  **/
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate int
allow_user_printer(char ** user_list,char * printer)79*0Sstevel@tonic-gate allow_user_printer(char **user_list, char *printer)
80*0Sstevel@tonic-gate {
81*0Sstevel@tonic-gate 	return (chgaccess(1, user_list, printer, Lp_A_Printers, UACCESSPREFIX));
82*0Sstevel@tonic-gate }
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate /**
85*0Sstevel@tonic-gate  ** deny_form_printer() - DENY FORM USE ON PRINTER
86*0Sstevel@tonic-gate  **/
87*0Sstevel@tonic-gate 
88*0Sstevel@tonic-gate int
deny_form_printer(char ** form_list,char * printer)89*0Sstevel@tonic-gate deny_form_printer(char **form_list, char *printer)
90*0Sstevel@tonic-gate {
91*0Sstevel@tonic-gate 	return (chgaccess(0, form_list, printer, Lp_A_Printers, FACCESSPREFIX));
92*0Sstevel@tonic-gate }
93*0Sstevel@tonic-gate 
94*0Sstevel@tonic-gate /**
95*0Sstevel@tonic-gate  ** allow_form_printer() - ALLOW FORM USE ON PRINTER
96*0Sstevel@tonic-gate  **/
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate int
allow_form_printer(char ** form_list,char * printer)99*0Sstevel@tonic-gate allow_form_printer(char **form_list, char *printer)
100*0Sstevel@tonic-gate {
101*0Sstevel@tonic-gate 	return (chgaccess(1, form_list, printer, Lp_A_Printers, FACCESSPREFIX));
102*0Sstevel@tonic-gate }
103*0Sstevel@tonic-gate 
104*0Sstevel@tonic-gate /**
105*0Sstevel@tonic-gate  ** remove_paper_from_printer() - DENY FORM USE ON PRINTER
106*0Sstevel@tonic-gate  **/
107*0Sstevel@tonic-gate 
108*0Sstevel@tonic-gate int
remove_paper_from_printer(char ** form_list,char * printer)109*0Sstevel@tonic-gate remove_paper_from_printer(char **form_list, char *printer)
110*0Sstevel@tonic-gate {
111*0Sstevel@tonic-gate 	return (chgaccess(0, form_list, printer, Lp_A_Printers, PACCESSPREFIX));
112*0Sstevel@tonic-gate }
113*0Sstevel@tonic-gate 
114*0Sstevel@tonic-gate /**
115*0Sstevel@tonic-gate  ** add_paper_to_printer() - ALLOW FORM USE ON PRINTER
116*0Sstevel@tonic-gate  **/
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate int
add_paper_to_printer(char ** form_list,char * printer)119*0Sstevel@tonic-gate add_paper_to_printer(char **form_list, char *printer)
120*0Sstevel@tonic-gate {
121*0Sstevel@tonic-gate 	return (chgaccess(1, form_list, printer, Lp_A_Printers, PACCESSPREFIX));
122*0Sstevel@tonic-gate }
123*0Sstevel@tonic-gate 
124*0Sstevel@tonic-gate /**
125*0Sstevel@tonic-gate  ** chgaccess() - UPDATE ALLOW/DENY ACCESS OF ITEM TO RESOURCE
126*0Sstevel@tonic-gate  **/
127*0Sstevel@tonic-gate 
128*0Sstevel@tonic-gate static int
chgaccess(int isallow,char ** list,char * name,char * dir,char * prefix)129*0Sstevel@tonic-gate chgaccess(int isallow, char **list, char *name, char *dir, char *prefix)
130*0Sstevel@tonic-gate {
131*0Sstevel@tonic-gate 	register char		***padd_list,
132*0Sstevel@tonic-gate 				***prem_list,
133*0Sstevel@tonic-gate 				**pl;
134*0Sstevel@tonic-gate 
135*0Sstevel@tonic-gate 	char			**allow_list,
136*0Sstevel@tonic-gate 				**deny_list;
137*0Sstevel@tonic-gate 
138*0Sstevel@tonic-gate 	if (loadaccess(dir, name, prefix, &allow_list, &deny_list) == -1)
139*0Sstevel@tonic-gate 		return (-1);
140*0Sstevel@tonic-gate 
141*0Sstevel@tonic-gate 	if (isallow) {
142*0Sstevel@tonic-gate 		padd_list = &allow_list;
143*0Sstevel@tonic-gate 		prem_list = &deny_list;
144*0Sstevel@tonic-gate 	} else {
145*0Sstevel@tonic-gate 		padd_list = &deny_list;
146*0Sstevel@tonic-gate 		prem_list = &allow_list;
147*0Sstevel@tonic-gate 	}
148*0Sstevel@tonic-gate 
149*0Sstevel@tonic-gate 	for (pl = list; *pl; pl++) {
150*0Sstevel@tonic-gate 
151*0Sstevel@tonic-gate 		/*
152*0Sstevel@tonic-gate 		 * Do the ``all'' and ``none'' cases explicitly,
153*0Sstevel@tonic-gate 		 * so that we can clean up the lists nicely.
154*0Sstevel@tonic-gate 		 */
155*0Sstevel@tonic-gate 		if (STREQU(*pl, NAME_NONE)) {
156*0Sstevel@tonic-gate 			isallow = !isallow;
157*0Sstevel@tonic-gate 			goto AllCase;
158*0Sstevel@tonic-gate 		}
159*0Sstevel@tonic-gate 		if (
160*0Sstevel@tonic-gate 			STREQU(*pl, NAME_ALL)
161*0Sstevel@tonic-gate 		     || STREQU(*pl, NAME_ANY)
162*0Sstevel@tonic-gate 		     || STREQU(*pl, ALL_BANG_ALL)
163*0Sstevel@tonic-gate 		) {
164*0Sstevel@tonic-gate AllCase:
165*0Sstevel@tonic-gate 			freelist (allow_list);
166*0Sstevel@tonic-gate 			freelist (deny_list);
167*0Sstevel@tonic-gate 			if (isallow) {
168*0Sstevel@tonic-gate 				allow_list = 0;
169*0Sstevel@tonic-gate 				deny_list = empty_list();
170*0Sstevel@tonic-gate 			} else {
171*0Sstevel@tonic-gate 				allow_list = 0;
172*0Sstevel@tonic-gate 				deny_list = 0;
173*0Sstevel@tonic-gate 			}
174*0Sstevel@tonic-gate 			break;
175*0Sstevel@tonic-gate 
176*0Sstevel@tonic-gate 		} else {
177*0Sstevel@tonic-gate 
178*0Sstevel@tonic-gate 			/*
179*0Sstevel@tonic-gate 			 * For each regular item in the list,
180*0Sstevel@tonic-gate 			 * we add it to the ``add list'' and remove it
181*0Sstevel@tonic-gate 			 * from the ``remove list''. This is not
182*0Sstevel@tonic-gate 			 * efficient, especially if there are a lot of
183*0Sstevel@tonic-gate 			 * items in the caller's list; doing it the
184*0Sstevel@tonic-gate 			 * way we do, however, has the side effect
185*0Sstevel@tonic-gate 			 * of skipping duplicate names in the caller's
186*0Sstevel@tonic-gate 			 * list.
187*0Sstevel@tonic-gate 			 *
188*0Sstevel@tonic-gate 			 * Do a regular "addlist()"--the resulting
189*0Sstevel@tonic-gate 			 * list may have redundancies, but it will
190*0Sstevel@tonic-gate 			 * still be correct.
191*0Sstevel@tonic-gate 			 */
192*0Sstevel@tonic-gate 			if (addlist(padd_list, *pl) == -1)
193*0Sstevel@tonic-gate 				return (-1);
194*0Sstevel@tonic-gate 			if (bang_dellist(prem_list, *pl) == -1)
195*0Sstevel@tonic-gate 				return (-1);
196*0Sstevel@tonic-gate 
197*0Sstevel@tonic-gate 		}
198*0Sstevel@tonic-gate 
199*0Sstevel@tonic-gate 	}
200*0Sstevel@tonic-gate 
201*0Sstevel@tonic-gate 	return (dumpaccess(dir, name, prefix, &allow_list, &deny_list));
202*0Sstevel@tonic-gate }
203*0Sstevel@tonic-gate 
204*0Sstevel@tonic-gate /**
205*0Sstevel@tonic-gate  ** empty_list() - CREATE AN EMPTY LIST
206*0Sstevel@tonic-gate  **/
207*0Sstevel@tonic-gate 
208*0Sstevel@tonic-gate static char **
empty_list(void)209*0Sstevel@tonic-gate empty_list(void)
210*0Sstevel@tonic-gate {
211*0Sstevel@tonic-gate 	register char		**empty;
212*0Sstevel@tonic-gate 
213*0Sstevel@tonic-gate 
214*0Sstevel@tonic-gate 	if (!(empty = (char **)Malloc(sizeof(char *)))) {
215*0Sstevel@tonic-gate 		errno = ENOMEM;
216*0Sstevel@tonic-gate 		return (0);
217*0Sstevel@tonic-gate 	}
218*0Sstevel@tonic-gate 	*empty = 0;
219*0Sstevel@tonic-gate 	return (empty);
220*0Sstevel@tonic-gate }
221