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"
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 "string.h"
36*0Sstevel@tonic-gate #include "errno.h"
37*0Sstevel@tonic-gate #include "sys/types.h"
38*0Sstevel@tonic-gate #include "stdlib.h"
39*0Sstevel@tonic-gate
40*0Sstevel@tonic-gate #include "lp.h"
41*0Sstevel@tonic-gate #include "printers.h"
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate extern struct {
44*0Sstevel@tonic-gate char *v;
45*0Sstevel@tonic-gate short len,
46*0Sstevel@tonic-gate okremote;
47*0Sstevel@tonic-gate } prtrheadings[];
48*0Sstevel@tonic-gate
49*0Sstevel@tonic-gate /*
50*0Sstevel@tonic-gate * getpentry() - EXTRACT ONE PRINTER ENTRY FROM DISK FILE
51*0Sstevel@tonic-gate */
52*0Sstevel@tonic-gate
53*0Sstevel@tonic-gate char *
getpentry(char * name,int want_fld)54*0Sstevel@tonic-gate getpentry(char *name, int want_fld)
55*0Sstevel@tonic-gate {
56*0Sstevel@tonic-gate static long lastdir = -1;
57*0Sstevel@tonic-gate char buf[BUFSIZ];
58*0Sstevel@tonic-gate int fld;
59*0Sstevel@tonic-gate int fd;
60*0Sstevel@tonic-gate register char * p;
61*0Sstevel@tonic-gate register char * path;
62*0Sstevel@tonic-gate int isNameAll;
63*0Sstevel@tonic-gate char * option_entry = NULL;
64*0Sstevel@tonic-gate
65*0Sstevel@tonic-gate
66*0Sstevel@tonic-gate
67*0Sstevel@tonic-gate if (!name || !*name) {
68*0Sstevel@tonic-gate errno = EINVAL;
69*0Sstevel@tonic-gate return (0);
70*0Sstevel@tonic-gate }
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /*
73*0Sstevel@tonic-gate * Getting ``all''? If so, jump into the directory
74*0Sstevel@tonic-gate * wherever we left off.
75*0Sstevel@tonic-gate */
76*0Sstevel@tonic-gate isNameAll = STREQU(NAME_ALL, name);
77*0Sstevel@tonic-gate for (; ; ) {
78*0Sstevel@tonic-gate /*
79*0Sstevel@tonic-gate * fix for bug 1117241
80*0Sstevel@tonic-gate * occasionally when a printer is removed, a printer directory
81*0Sstevel@tonic-gate * is left behind, but the CONFIGFILE is removed. In this
82*0Sstevel@tonic-gate * case this directory terminates the search for additional
83*0Sstevel@tonic-gate * printers as we have been returning 0 in this case.
84*0Sstevel@tonic-gate * Now, we loop back and try the next directory until
85*0Sstevel@tonic-gate * we have no more directories or we find a directory with
86*0Sstevel@tonic-gate * a CONFIGFILE
87*0Sstevel@tonic-gate */
88*0Sstevel@tonic-gate if (isNameAll) {
89*0Sstevel@tonic-gate if (!(name = next_dir(Lp_A_Printers, &lastdir)))
90*0Sstevel@tonic-gate return (0);
91*0Sstevel@tonic-gate } else
92*0Sstevel@tonic-gate lastdir = -1;
93*0Sstevel@tonic-gate
94*0Sstevel@tonic-gate /*
95*0Sstevel@tonic-gate * Get the printer configuration information.
96*0Sstevel@tonic-gate */
97*0Sstevel@tonic-gate
98*0Sstevel@tonic-gate path = getprinterfile(name, CONFIGFILE);
99*0Sstevel@tonic-gate if (!path) {
100*0Sstevel@tonic-gate if (isNameAll)
101*0Sstevel@tonic-gate Free(name);
102*0Sstevel@tonic-gate return (0);
103*0Sstevel@tonic-gate }
104*0Sstevel@tonic-gate
105*0Sstevel@tonic-gate if ((fd = open_locked(path, "r", 0)) < 0) {
106*0Sstevel@tonic-gate Free(path);
107*0Sstevel@tonic-gate
108*0Sstevel@tonic-gate /*
109*0Sstevel@tonic-gate * go around to loop again for
110*0Sstevel@tonic-gate * NAME_ALL case
111*0Sstevel@tonic-gate */
112*0Sstevel@tonic-gate
113*0Sstevel@tonic-gate if (!isNameAll) /* fix for bug 1117241 */
114*0Sstevel@tonic-gate return (0);
115*0Sstevel@tonic-gate else
116*0Sstevel@tonic-gate Free(name);
117*0Sstevel@tonic-gate }
118*0Sstevel@tonic-gate else
119*0Sstevel@tonic-gate break;
120*0Sstevel@tonic-gate }
121*0Sstevel@tonic-gate Free(path);
122*0Sstevel@tonic-gate
123*0Sstevel@tonic-gate /*
124*0Sstevel@tonic-gate * Read the file.
125*0Sstevel@tonic-gate */
126*0Sstevel@tonic-gate errno = 0;
127*0Sstevel@tonic-gate while (fdgets(buf, BUFSIZ, fd) != NULL) {
128*0Sstevel@tonic-gate
129*0Sstevel@tonic-gate buf[strlen(buf) - 1] = 0;
130*0Sstevel@tonic-gate
131*0Sstevel@tonic-gate for (fld = 0; fld < PR_MAX; fld++)
132*0Sstevel@tonic-gate if (prtrheadings[fld].v &&
133*0Sstevel@tonic-gate prtrheadings[fld].len &&
134*0Sstevel@tonic-gate STRNEQU(
135*0Sstevel@tonic-gate buf,
136*0Sstevel@tonic-gate prtrheadings[fld].v,
137*0Sstevel@tonic-gate prtrheadings[fld].len)) {
138*0Sstevel@tonic-gate
139*0Sstevel@tonic-gate p = buf + prtrheadings[fld].len;
140*0Sstevel@tonic-gate while (*p && *p == ' ')
141*0Sstevel@tonic-gate p++;
142*0Sstevel@tonic-gate break;
143*0Sstevel@tonic-gate }
144*0Sstevel@tonic-gate
145*0Sstevel@tonic-gate /*
146*0Sstevel@tonic-gate * To allow future extensions to not impact applications
147*0Sstevel@tonic-gate * using old versions of this routine, ignore strange
148*0Sstevel@tonic-gate * fields.
149*0Sstevel@tonic-gate */
150*0Sstevel@tonic-gate if (fld >= PR_MAX)
151*0Sstevel@tonic-gate continue;
152*0Sstevel@tonic-gate
153*0Sstevel@tonic-gate if (fld == want_fld) {
154*0Sstevel@tonic-gate if ((option_entry = strdup(p)) == NULL) {
155*0Sstevel@tonic-gate return (0);
156*0Sstevel@tonic-gate }
157*0Sstevel@tonic-gate }
158*0Sstevel@tonic-gate
159*0Sstevel@tonic-gate
160*0Sstevel@tonic-gate }
161*0Sstevel@tonic-gate if (errno != 0) {
162*0Sstevel@tonic-gate int save_errno = errno;
163*0Sstevel@tonic-gate close(fd);
164*0Sstevel@tonic-gate errno = save_errno;
165*0Sstevel@tonic-gate return (0);
166*0Sstevel@tonic-gate }
167*0Sstevel@tonic-gate close(fd);
168*0Sstevel@tonic-gate
169*0Sstevel@tonic-gate return (option_entry);
170*0Sstevel@tonic-gate }
171