1/*
2 * Copyright 1997 Massachusetts Institute of Technology
3 *
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
14 * warranty.
15 *
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
27 * SUCH DAMAGE.
28 */
29
30static const char copyright[] =
31 "Copyright (C) 1997, Massachusetts Institute of Technology\r\n";
32static const char rcsid[] =
| 1/*
2 * Copyright 1997 Massachusetts Institute of Technology
3 *
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
14 * warranty.
15 *
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
27 * SUCH DAMAGE.
28 */
29
30static const char copyright[] =
31 "Copyright (C) 1997, Massachusetts Institute of Technology\r\n";
32static const char rcsid[] =
|
33 "$FreeBSD: head/usr.sbin/lpr/chkprintcap/chkprintcap.c 70520 2000-12-30 20:56:04Z phk $";
| 33 "$FreeBSD: head/usr.sbin/lpr/chkprintcap/chkprintcap.c 88004 2001-12-15 23:35:55Z gad $";
|
34
35#include <sys/types.h>
36#include <sys/queue.h>
37#include <sys/stat.h>
38
39#include <err.h>
40#include <errno.h>
41#include <grp.h>
42#include <stdio.h>
43#include <string.h>
44#include <stdlib.h>
45#include <unistd.h>
46
47#include <sys/param.h> /* needed for lp.h but not used here */
48#include <dirent.h> /* ditto */
49#include "lp.h"
50#include "lp.local.h"
| 34
35#include <sys/types.h>
36#include <sys/queue.h>
37#include <sys/stat.h>
38
39#include <err.h>
40#include <errno.h>
41#include <grp.h>
42#include <stdio.h>
43#include <string.h>
44#include <stdlib.h>
45#include <unistd.h>
46
47#include <sys/param.h> /* needed for lp.h but not used here */
48#include <dirent.h> /* ditto */
49#include "lp.h"
50#include "lp.local.h"
|
| 51#include "pathnames.h"
52#include "skimprintcap.h"
|
51
52static void check_spool_dirs(void);
53static int interpret_error(const struct printer *pp, int error);
54static void make_spool_dir(const struct printer *pp);
55static void note_spool_dir(const struct printer *pp, const struct stat *st);
56static void usage(void) __dead2;
57
58static int problems; /* number of problems encountered */
59
60/*
61 * chkprintcap - check the printcap file for syntactic and semantic errors
62 * Returns the number of problems found.
63 */
64int
65main(int argc, char **argv)
66{
| 53
54static void check_spool_dirs(void);
55static int interpret_error(const struct printer *pp, int error);
56static void make_spool_dir(const struct printer *pp);
57static void note_spool_dir(const struct printer *pp, const struct stat *st);
58static void usage(void) __dead2;
59
60static int problems; /* number of problems encountered */
61
62/*
63 * chkprintcap - check the printcap file for syntactic and semantic errors
64 * Returns the number of problems found.
65 */
66int
67main(int argc, char **argv)
68{
|
67 int c, error, makedirs, more;
| 69 struct skiminfo *skres;
70 char *pcap_fname;
71 int c, error, makedirs, more, queuecnt, verbosity;
|
68 struct printer myprinter, *pp;
69
70 makedirs = 0;
| 72 struct printer myprinter, *pp;
73
74 makedirs = 0;
|
| 75 queuecnt = 0;
76 verbosity = 0;
77 pcap_fname = NULL;
|
71 pp = &myprinter;
72
| 78 pp = &myprinter;
79
|
73 while ((c = getopt(argc, argv, "df:")) != -1) {
| 80 while ((c = getopt(argc, argv, "df:v")) != -1) {
|
74 switch (c) {
75 case 'd':
76 makedirs = 1;
77 break;
78
79 case 'f':
| 81 switch (c) {
82 case 'd':
83 makedirs = 1;
84 break;
85
86 case 'f':
|
80 setprintcap(optarg);
| 87 pcap_fname = strdup(optarg);
88 setprintcap(pcap_fname);
|
81 break;
82
| 89 break;
90
|
| 91 case 'v':
92 verbosity++;
93 break;
94
|
83 default:
84 usage();
85 }
86 }
87
88 if (optind != argc)
89 usage();
90
| 95 default:
96 usage();
97 }
98 }
99
100 if (optind != argc)
101 usage();
102
|
| 103 if (pcap_fname == NULL)
104 pcap_fname = strdup(_PATH_PRINTCAP);
105
106 /*
107 * Skim through the printcap file looking for simple user-mistakes
108 * which will produce the wrong result for the user, but which may
109 * be pretty hard for the user to notice. Such user-mistakes will
110 * only generate warning messages. The (fatal-) problem count will
111 * only be incremented if there is a system problem trying to read
112 * the printcap file.
113 */
114 skres = skim_printcap(pcap_fname, verbosity);
115 if (skres->fatalerr)
116 return (skres->fatalerr);
117
118 /*
119 * Now use the standard capability-db routines to check the values
120 * in each of the queues defined in the printcap file.
121 */
|
91 more = firstprinter(pp, &error);
92 if (interpret_error(pp, error) && more)
93 goto next;
94
95 while (more) {
96 struct stat stab;
97
| 122 more = firstprinter(pp, &error);
123 if (interpret_error(pp, error) && more)
124 goto next;
125
126 while (more) {
127 struct stat stab;
128
|
| 129 queuecnt++;
|
98 errno = 0;
99 if (stat(pp->spool_dir, &stab) < 0) {
100 if (errno == ENOENT && makedirs) {
101 make_spool_dir(pp);
102 } else {
103 problems++;
104 warn("%s: %s", pp->printer, pp->spool_dir);
105 }
106 } else {
107 note_spool_dir(pp, &stab);
108 }
109
| 130 errno = 0;
131 if (stat(pp->spool_dir, &stab) < 0) {
132 if (errno == ENOENT && makedirs) {
133 make_spool_dir(pp);
134 } else {
135 problems++;
136 warn("%s: %s", pp->printer, pp->spool_dir);
137 }
138 } else {
139 note_spool_dir(pp, &stab);
140 }
141
|
110 /* Make other validity checks here... */
| 142 /* Make other queue-specific validity checks here... */
|
111
112next:
113 more = nextprinter(pp, &error);
114 if (interpret_error(pp, error) && more)
115 goto next;
116 }
| 143
144next:
145 more = nextprinter(pp, &error);
146 if (interpret_error(pp, error) && more)
147 goto next;
148 }
|
| 149
|
117 check_spool_dirs();
| 150 check_spool_dirs();
|
118 return problems;
| 151
152 if (queuecnt != skres->entries) {
153 warnx("WARNING: found %d entries when skimming %s,",
154 skres->entries, pcap_fname);
155 warnx("WARNING: but only found %d queues to process!",
156 queuecnt);
157 }
158 return (problems);
|
119}
120
121/*
122 * Interpret the error code. Returns 1 if we should skip to the next
123 * record (as this record is unlikely to make sense). If the problem
124 * is very severe, exit. Otherwise, return zero.
125 */
126static int
127interpret_error(const struct printer *pp, int error)
128{
129 switch(error) {
130 case PCAPERR_OSERR:
131 err(++problems, "reading printer database");
132 case PCAPERR_TCLOOP:
133 ++problems;
134 warnx("%s: loop detected in tc= expansion", pp->printer);
135 return 1;
136 case PCAPERR_TCOPEN:
137 warnx("%s: unresolved tc= expansion", pp->printer);
138 return 1;
139 case PCAPERR_SUCCESS:
140 break;
141 default:
142 errx(++problems, "unknown printcap library error %d", error);
143 }
144 return 0;
145}
146
147/*
148 * Keep the list of spool directories. Note that we don't whine
149 * until all spool directories are noted, so that all of the more serious
150 * problems are noted first. We keep the list sorted by st_dev and
151 * st_ino, so that the problem spool directories can be noted in
152 * a single loop.
153 */
154struct dirlist {
155 LIST_ENTRY(dirlist) link;
156 struct stat stab;
157 char *path;
158 char *printer;
159};
160
161static LIST_HEAD(, dirlist) dirlist;
162
163static int
164lessp(const struct dirlist *a, const struct dirlist *b)
165{
166 if (a->stab.st_dev == b->stab.st_dev)
167 return a->stab.st_ino < b->stab.st_ino;
168 return a->stab.st_dev < b->stab.st_dev;
169}
170
171static int
172equal(const struct dirlist *a, const struct dirlist *b)
173{
174 return ((a->stab.st_dev == b->stab.st_dev)
175 && (a->stab.st_ino == b->stab.st_ino));
176}
177
178static void
179note_spool_dir(const struct printer *pp, const struct stat *st)
180{
181 struct dirlist *dp, *dp2, *last;
182
183 dp = malloc(sizeof *dp);
184 if (dp == 0)
185 err(++problems, "malloc(%lu)", (u_long)sizeof *dp);
186
187 dp->stab = *st;
188 dp->printer = strdup(pp->printer);
189 if (dp->printer == 0)
190 err(++problems, "malloc(%lu)", strlen(pp->printer) + 1UL);
191 dp->path = strdup(pp->spool_dir);
192 if (dp->path == 0)
193 err(++problems, "malloc(%lu)", strlen(pp->spool_dir) + 1UL);
194
195 last = 0;
196 LIST_FOREACH(dp2, &dirlist, link) {
197 if(!lessp(dp, dp2))
198 break;
199 last = dp2;
200 }
201
202 if (last) {
203 LIST_INSERT_AFTER(last, dp, link);
204 } else {
205 LIST_INSERT_HEAD(&dirlist, dp, link);
206 }
207}
208
209static void
210check_spool_dirs(void)
211{
212 struct dirlist *dp, *dp2;
213
214 for (dp = LIST_FIRST(&dirlist); dp; dp = dp2) {
215 dp2 = LIST_NEXT(dp, link);
216
217 if (dp2 != 0 && equal(dp, dp2)) {
218 ++problems;
219 if (strcmp(dp->path, dp2->path) == 0) {
220 warnx("%s and %s share the same spool, %s",
221 dp->printer, dp2->printer, dp->path);
222 } else {
223 warnx("%s (%s) and %s (%s) are the same "
224 "directory", dp->path, dp->printer,
225 dp2->path, dp2->printer);
226 }
227 continue;
228 }
229 /* Should probably check owners and modes here. */
230 }
231}
232
233#ifndef SPOOL_DIR_MODE
234#define SPOOL_DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR \
235 | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
236#endif
237
238static void
239make_spool_dir(const struct printer *pp)
240{
241 char *sd = pp->spool_dir;
242 struct group *gr;
243 struct stat stab;
244
245 if (mkdir(sd, S_IRUSR | S_IXUSR) < 0) {
246 problems++;
247 warn("%s: mkdir %s", pp->printer, sd);
248 return;
249 }
250 gr = getgrnam("daemon");
251 if (gr == 0)
252 errx(++problems, "cannot locate daemon group");
253
254 if (chown(sd, pp->daemon_user, gr->gr_gid) < 0) {
255 ++problems;
256 warn("%s: cannot change ownership to %ld:%ld", sd,
257 (long)pp->daemon_user, (long)gr->gr_gid);
258 return;
259 }
260
261 if (chmod(sd, SPOOL_DIR_MODE) < 0) {
262 ++problems;
263 warn("%s: cannot change mode to %lo", sd, (long)SPOOL_DIR_MODE);
264 return;
265 }
266 if (stat(sd, &stab) < 0)
267 err(++problems, "stat: %s", sd);
268
269 note_spool_dir(pp, &stab);
270}
271
272static void
273usage(void)
274{
| 159}
160
161/*
162 * Interpret the error code. Returns 1 if we should skip to the next
163 * record (as this record is unlikely to make sense). If the problem
164 * is very severe, exit. Otherwise, return zero.
165 */
166static int
167interpret_error(const struct printer *pp, int error)
168{
169 switch(error) {
170 case PCAPERR_OSERR:
171 err(++problems, "reading printer database");
172 case PCAPERR_TCLOOP:
173 ++problems;
174 warnx("%s: loop detected in tc= expansion", pp->printer);
175 return 1;
176 case PCAPERR_TCOPEN:
177 warnx("%s: unresolved tc= expansion", pp->printer);
178 return 1;
179 case PCAPERR_SUCCESS:
180 break;
181 default:
182 errx(++problems, "unknown printcap library error %d", error);
183 }
184 return 0;
185}
186
187/*
188 * Keep the list of spool directories. Note that we don't whine
189 * until all spool directories are noted, so that all of the more serious
190 * problems are noted first. We keep the list sorted by st_dev and
191 * st_ino, so that the problem spool directories can be noted in
192 * a single loop.
193 */
194struct dirlist {
195 LIST_ENTRY(dirlist) link;
196 struct stat stab;
197 char *path;
198 char *printer;
199};
200
201static LIST_HEAD(, dirlist) dirlist;
202
203static int
204lessp(const struct dirlist *a, const struct dirlist *b)
205{
206 if (a->stab.st_dev == b->stab.st_dev)
207 return a->stab.st_ino < b->stab.st_ino;
208 return a->stab.st_dev < b->stab.st_dev;
209}
210
211static int
212equal(const struct dirlist *a, const struct dirlist *b)
213{
214 return ((a->stab.st_dev == b->stab.st_dev)
215 && (a->stab.st_ino == b->stab.st_ino));
216}
217
218static void
219note_spool_dir(const struct printer *pp, const struct stat *st)
220{
221 struct dirlist *dp, *dp2, *last;
222
223 dp = malloc(sizeof *dp);
224 if (dp == 0)
225 err(++problems, "malloc(%lu)", (u_long)sizeof *dp);
226
227 dp->stab = *st;
228 dp->printer = strdup(pp->printer);
229 if (dp->printer == 0)
230 err(++problems, "malloc(%lu)", strlen(pp->printer) + 1UL);
231 dp->path = strdup(pp->spool_dir);
232 if (dp->path == 0)
233 err(++problems, "malloc(%lu)", strlen(pp->spool_dir) + 1UL);
234
235 last = 0;
236 LIST_FOREACH(dp2, &dirlist, link) {
237 if(!lessp(dp, dp2))
238 break;
239 last = dp2;
240 }
241
242 if (last) {
243 LIST_INSERT_AFTER(last, dp, link);
244 } else {
245 LIST_INSERT_HEAD(&dirlist, dp, link);
246 }
247}
248
249static void
250check_spool_dirs(void)
251{
252 struct dirlist *dp, *dp2;
253
254 for (dp = LIST_FIRST(&dirlist); dp; dp = dp2) {
255 dp2 = LIST_NEXT(dp, link);
256
257 if (dp2 != 0 && equal(dp, dp2)) {
258 ++problems;
259 if (strcmp(dp->path, dp2->path) == 0) {
260 warnx("%s and %s share the same spool, %s",
261 dp->printer, dp2->printer, dp->path);
262 } else {
263 warnx("%s (%s) and %s (%s) are the same "
264 "directory", dp->path, dp->printer,
265 dp2->path, dp2->printer);
266 }
267 continue;
268 }
269 /* Should probably check owners and modes here. */
270 }
271}
272
273#ifndef SPOOL_DIR_MODE
274#define SPOOL_DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR \
275 | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
276#endif
277
278static void
279make_spool_dir(const struct printer *pp)
280{
281 char *sd = pp->spool_dir;
282 struct group *gr;
283 struct stat stab;
284
285 if (mkdir(sd, S_IRUSR | S_IXUSR) < 0) {
286 problems++;
287 warn("%s: mkdir %s", pp->printer, sd);
288 return;
289 }
290 gr = getgrnam("daemon");
291 if (gr == 0)
292 errx(++problems, "cannot locate daemon group");
293
294 if (chown(sd, pp->daemon_user, gr->gr_gid) < 0) {
295 ++problems;
296 warn("%s: cannot change ownership to %ld:%ld", sd,
297 (long)pp->daemon_user, (long)gr->gr_gid);
298 return;
299 }
300
301 if (chmod(sd, SPOOL_DIR_MODE) < 0) {
302 ++problems;
303 warn("%s: cannot change mode to %lo", sd, (long)SPOOL_DIR_MODE);
304 return;
305 }
306 if (stat(sd, &stab) < 0)
307 err(++problems, "stat: %s", sd);
308
309 note_spool_dir(pp, &stab);
310}
311
312static void
313usage(void)
314{
|
275 fprintf(stderr, "usage:\n\tchkprintcap [-d] [-f printcapfile]\n");
| 315 fprintf(stderr, "usage:\n\tchkprintcap [-dv] [-f printcapfile]\n");
|
276 exit(1);
277}
| 316 exit(1);
317}
|