2 * Copyright 1997 Massachusetts Institute of Technology
4 * Permission to use, copy, modify, and distribute this software and
5 * its documentation for any purpose and without fee is hereby
6 * granted, provided that both the above copyright notice and this
7 * permission notice appear in all copies, that both the above
8 * copyright notice and this permission notice appear in all
9 * supporting documentation, and that the name of M.I.T. not be used
10 * in advertising or publicity pertaining to distribution of the
11 * software without specific, written prior permission. M.I.T. makes
12 * no representations about the suitability of this software for any
13 * purpose. It is provided "as is" without express or implied
16 * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
17 * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
18 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
20 * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
26 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (C) 1997, Massachusetts Institute of Technology
30 * $FreeBSD: src/usr.sbin/lpr/chkprintcap/chkprintcap.c,v 1.3.2.2 2002/04/18 20:45:23 gad Exp $
33 #include <sys/types.h>
34 #include <sys/queue.h>
45 #include <sys/param.h> /* needed for lp.h but not used here */
46 #include <dirent.h> /* ditto */
49 #include "pathnames.h"
50 #include "skimprintcap.h"
52 static void check_spool_dirs(void);
53 static int interpret_error(const struct printer
*pp
, int error
);
54 static void make_spool_dir(const struct printer
*pp
);
55 static void note_spool_dir(const struct printer
*pp
, const struct stat
*st
);
56 static void usage(void) __dead2
;
58 static int problems
; /* number of problems encountered */
61 * chkprintcap - check the printcap file for syntactic and semantic errors
62 * Returns the number of problems found.
65 main(int argc
, char **argv
)
67 struct skiminfo
*skres
;
69 int c
, error
, makedirs
, more
, queuecnt
, verbosity
;
70 struct printer myprinter
, *pp
;
78 while ((c
= getopt(argc
, argv
, "df:v")) != -1) {
85 pcap_fname
= strdup(optarg
);
86 setprintcap(pcap_fname
);
101 if (pcap_fname
== NULL
)
102 pcap_fname
= strdup(_PATH_PRINTCAP
);
105 * Skim through the printcap file looking for simple user-mistakes
106 * which will produce the wrong result for the user, but which may
107 * be pretty hard for the user to notice. Such user-mistakes will
108 * only generate warning messages. The (fatal-) problem count will
109 * only be incremented if there is a system problem trying to read
112 skres
= skim_printcap(pcap_fname
, verbosity
);
114 return (skres
->fatalerr
);
117 * Now use the standard capability-db routines to check the values
118 * in each of the queues defined in the printcap file.
120 more
= firstprinter(pp
, &error
);
121 if (interpret_error(pp
, error
) && more
)
129 if (stat(pp
->spool_dir
, &stab
) < 0) {
130 if (errno
== ENOENT
&& makedirs
) {
134 warn("%s: %s", pp
->printer
, pp
->spool_dir
);
137 note_spool_dir(pp
, &stab
);
140 /* Make other queue-specific validity checks here... */
143 more
= nextprinter(pp
, &error
);
144 if (interpret_error(pp
, error
) && more
)
150 if (queuecnt
!= skres
->entries
) {
151 warnx("WARNING: found %d entries when skimming %s,",
152 skres
->entries
, pcap_fname
);
153 warnx("WARNING: but only found %d queues to process!",
160 * Interpret the error code. Returns 1 if we should skip to the next
161 * record (as this record is unlikely to make sense). If the problem
162 * is very severe, exit. Otherwise, return zero.
165 interpret_error(const struct printer
*pp
, int error
)
169 err(++problems
, "reading printer database");
172 warnx("%s: loop detected in tc= expansion", pp
->printer
);
175 warnx("%s: unresolved tc= expansion", pp
->printer
);
177 case PCAPERR_SUCCESS
:
180 errx(++problems
, "unknown printcap library error %d", error
);
186 * Keep the list of spool directories. Note that we don't whine
187 * until all spool directories are noted, so that all of the more serious
188 * problems are noted first. We keep the list sorted by st_dev and
189 * st_ino, so that the problem spool directories can be noted in
193 LIST_ENTRY(dirlist
) link
;
199 static LIST_HEAD(, dirlist
) dirlist
;
202 lessp(const struct dirlist
*a
, const struct dirlist
*b
)
204 if (a
->stab
.st_dev
== b
->stab
.st_dev
)
205 return a
->stab
.st_ino
< b
->stab
.st_ino
;
206 return a
->stab
.st_dev
< b
->stab
.st_dev
;
210 equal(const struct dirlist
*a
, const struct dirlist
*b
)
212 return ((a
->stab
.st_dev
== b
->stab
.st_dev
)
213 && (a
->stab
.st_ino
== b
->stab
.st_ino
));
217 note_spool_dir(const struct printer
*pp
, const struct stat
*st
)
219 struct dirlist
*dp
, *dp2
, *last
;
221 dp
= malloc(sizeof *dp
);
223 err(++problems
, "malloc(%lu)", (u_long
)sizeof *dp
);
226 dp
->printer
= strdup(pp
->printer
);
227 if (dp
->printer
== 0)
228 err(++problems
, "malloc(%lu)", strlen(pp
->printer
) + 1UL);
229 dp
->path
= strdup(pp
->spool_dir
);
231 err(++problems
, "malloc(%lu)", strlen(pp
->spool_dir
) + 1UL);
234 LIST_FOREACH(dp2
, &dirlist
, link
) {
241 LIST_INSERT_AFTER(last
, dp
, link
);
243 LIST_INSERT_HEAD(&dirlist
, dp
, link
);
248 check_spool_dirs(void)
250 struct dirlist
*dp
, *dp2
;
252 for (dp
= LIST_FIRST(&dirlist
); dp
; dp
= dp2
) {
253 dp2
= LIST_NEXT(dp
, link
);
255 if (dp2
!= NULL
&& equal(dp
, dp2
)) {
257 if (strcmp(dp
->path
, dp2
->path
) == 0) {
258 warnx("%s and %s share the same spool, %s",
259 dp
->printer
, dp2
->printer
, dp
->path
);
261 warnx("%s (%s) and %s (%s) are the same "
262 "directory", dp
->path
, dp
->printer
,
263 dp2
->path
, dp2
->printer
);
266 /* Should probably check owners and modes here. */
270 #ifndef SPOOL_DIR_MODE
271 #define SPOOL_DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR \
272 | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
276 make_spool_dir(const struct printer
*pp
)
278 char *sd
= pp
->spool_dir
;
282 if (mkdir(sd
, S_IRUSR
| S_IXUSR
) < 0) {
284 warn("%s: mkdir %s", pp
->printer
, sd
);
287 gr
= getgrnam("daemon");
289 errx(++problems
, "cannot locate daemon group");
291 if (chown(sd
, pp
->daemon_user
, gr
->gr_gid
) < 0) {
293 warn("%s: cannot change ownership to %ld:%ld", sd
,
294 (long)pp
->daemon_user
, (long)gr
->gr_gid
);
298 if (chmod(sd
, SPOOL_DIR_MODE
) < 0) {
300 warn("%s: cannot change mode to %lo", sd
, (long)SPOOL_DIR_MODE
);
303 if (stat(sd
, &stab
) < 0)
304 err(++problems
, "stat: %s", sd
);
306 note_spool_dir(pp
, &stab
);
312 fprintf(stderr
, "usage:\n\tchkprintcap [-dv] [-f printcapfile]\n");