2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)displayq.c 8.4 (Berkeley) 4/28/95
34 * $FreeBSD: src/usr.sbin/lpr/common_source/displayq.c,v 1.15.2.8 2001/08/30 09:27:41 kris Exp $
35 * $DragonFly: src/usr.sbin/lpr/common_source/displayq.c,v 1.5 2005/08/08 18:58:56 joerg Exp $
38 #include <sys/param.h>
49 #define psignal foil_gcc_psignal
50 #define sys_siglist foil_gcc_siglist
57 #include "pathnames.h"
60 * Routines to display the state of the queue.
62 #define JOBCOL 40 /* column for job # in -l format */
63 #define OWNCOL 7 /* start of Owner column in normal */
64 #define SIZCOL 62 /* start of Size column in normal */
67 * Stuff for handling job specifications
69 extern uid_t uid
, euid
;
71 static int col
; /* column on screen */
72 static char current
[NAME_MAX
+1]; /* current file being printed */
73 static char file
[NAME_MAX
+1]; /* print file name */
74 static int first
; /* first file in ``files'' column? */
75 static int garbage
; /* # of garbage cf files */
76 static int lflag
; /* long output option */
77 static int rank
; /* order to be printed (-1=none, 0=active) */
78 static long totsize
; /* total print job size in bytes */
80 static const char *head0
= "Rank Owner Job Files";
81 static const char *head1
= "Total Size\n";
83 static void alarmhandler(int _signo
);
84 static void warn(const struct printer
*_pp
);
87 * Display the current state of the queue. Format = 1 if long format.
90 displayq(struct printer
*pp
, int format
)
93 int i
, nitems
, fd
, ret
;
95 struct jobqueue
**queue
;
98 void (*savealrm
)(int);
104 if ((cp
= checkremote(pp
))) {
105 printf("Warning: %s\n", cp
);
110 * Print out local queue
111 * Find all the control files in the spooling directory
114 if (chdir(pp
->spool_dir
) < 0)
115 fatal(pp
, "cannot chdir to spooling directory: %s",
118 if ((nitems
= getq(pp
, &queue
)) < 0)
119 fatal(pp
, "cannot examine spooling area\n");
121 ret
= stat(pp
->lock_file
, &statb
);
124 if (statb
.st_mode
& LFM_PRINT_DIS
) {
126 printf("%s: ", local_host
);
127 printf("Warning: %s is down: ", pp
->printer
);
129 fd
= open(pp
->status_file
, O_RDONLY
|O_SHLOCK
);
132 while ((i
= read(fd
, line
, sizeof(line
))) > 0)
133 fwrite(line
, 1, i
, stdout
);
134 close(fd
); /* unlocks as well */
138 if (statb
.st_mode
& LFM_QUEUE_DIS
) {
140 printf("%s: ", local_host
);
141 printf("Warning: %s queue is turned off\n",
148 fp
= fopen(pp
->lock_file
, "r");
155 endp
= cp
+ sizeof(current
) - 1;
156 while ((i
= getc(fp
)) != EOF
&& i
!= '\n') {
172 /* read current file name */
174 endp
= cp
+ sizeof(current
) - 1;
175 while ((i
= getc(fp
)) != EOF
&& i
!= '\n') {
181 * Print the status file.
184 printf("%s: ", local_host
);
186 fd
= open(pp
->status_file
, O_RDONLY
|O_SHLOCK
);
189 while ((i
= read(fd
, line
,
191 fwrite(line
, 1, i
, stdout
);
192 close(fd
); /* unlocks as well */
199 * Now, examine the control files and print out the jobs to
200 * be done for each user.
204 for (i
= 0; i
< nitems
; i
++) {
206 inform(pp
, q
->job_cfname
);
218 * Print foreign queue
219 * Note that a file in transit may show up in either queue.
223 snprintf(line
, sizeof(line
), "%c%s", format
? '\4' : '\3',
226 for (i
= 0; i
< requests
&& cp
-line
+10 < sizeof(line
) - 1; i
++) {
228 sprintf(cp
, " %d", requ
[i
]);
230 for (i
= 0; i
< users
&& cp
- line
+ 1 + strlen(user
[i
]) <
231 sizeof(line
) - 1; i
++) {
237 savealrm
= signal(SIGALRM
, alarmhandler
);
238 alarm(pp
->conn_timeout
);
239 fd
= getport(pp
, pp
->remote_host
, 0);
241 signal(SIGALRM
, savealrm
);
243 if (from_host
!= local_host
)
244 printf("%s: ", local_host
);
245 printf("connection to %s is down\n", pp
->remote_host
);
249 if (write(fd
, line
, i
) != i
)
250 fatal(pp
, "Lost connection");
251 while ((i
= read(fd
, line
, sizeof(line
))) > 0)
252 fwrite(line
, 1, i
, stdout
);
258 * Print a warning message if there is no daemon present.
261 warn(const struct printer
*pp
)
264 printf("%s: ", local_host
);
265 puts("Warning: no daemon present");
270 * Print the header for the short listing format
276 col
= strlen(head0
)+1;
282 inform(const struct printer
*pp
, char *cf
)
285 char savedname
[MAXPATHLEN
+1];
289 * There's a chance the control file has gone away
290 * in the meantime; if this is the case just keep going
293 if ((cfp
= fopen(cf
, "r")) == NULL
)
299 if (pp
->remote
|| garbage
|| strcmp(cf
, current
))
303 * The cf-file may include commands to print more than one datafile
304 * from the user. For each datafile, the cf-file contains at least
305 * one line which starts with some format-specifier ('a'-'z'), and
306 * a second line ('N'ame) which indicates the original name the user
307 * specified for that file. There can be multiple format-spec lines
308 * for a single Name-line, if the user requested multiple copies of
309 * that file. Standard lpr puts the format-spec line(s) before the
310 * Name-line, while lprNG puts the Name-line before the format-spec
311 * line(s). This section needs to handle the lines in either order.
316 while (getline(cfp
)) {
318 case 'P': /* Was this file specified in the user's list? */
319 if (!inlist(line
+1, cf
)) {
324 printf("\n%s: ", line
+1);
325 col
= strlen(line
+1) + 2;
328 printf(" [job %s]\n", cf
+3);
333 printf("%-10s %-3d ", line
+1, atoi(cf
+3));
338 default: /* some format specifer and file name? */
339 if (line
[0] < 'a' || line
[0] > 'z')
341 if (copycnt
== 0 || strcmp(file
, line
+1) != 0) {
342 strlcpy(file
, line
+ 1, sizeof(file
));
346 * deliberately 'continue' to another getline(), so
347 * all format-spec lines for this datafile are read
348 * in and counted before calling show()
352 strlcpy(savedname
, line
+ 1, sizeof(savedname
));
355 if ((file
[0] != '\0') && (savedname
[0] != '\0')) {
356 show(savedname
, file
, copycnt
);
363 /* check for a file which hasn't been shown yet */
364 if (file
[0] != '\0') {
365 if (savedname
[0] == '\0') {
366 /* a safeguard in case the N-ame line is missing */
367 strlcpy(savedname
, file
, sizeof(savedname
));
369 show(savedname
, file
, copycnt
);
373 printf("%ld bytes\n", totsize
);
379 inlist(char *uname
, char *cfile
)
384 if (users
== 0 && requests
== 0)
387 * Check to see if it's in the user list
389 for (u
= user
; u
< &user
[users
]; u
++)
390 if (!strcmp(*u
, uname
))
393 * Check the request list
395 for (n
= 0, cp
= cfile
+3; isdigit(*cp
); )
396 n
= n
* 10 + (*cp
++ - '0');
397 for (r
= requ
; r
< &requ
[requests
]; r
++)
398 if (*r
== n
&& !strcmp(cp
, from_host
))
404 show(const char *nfile
, const char *datafile
, int copies
)
406 if (strcmp(nfile
, " ") == 0)
407 nfile
= "(standard input)";
409 ldump(nfile
, datafile
, copies
);
411 dump(nfile
, datafile
, copies
);
415 * Fill the line with blanks to the specified column
420 while (col
++ < tocol
)
425 * Give the abbreviated dump of the file names
428 dump(const char *nfile
, const char *datafile
, int copies
)
431 const char etctmpl
[] = ", ...";
432 char etc
[sizeof(etctmpl
)];
438 * Print as many filenames as will fit
439 * (leaving room for the 'total size' field)
441 fill
= first
? 0 : 2; /* fill space for ``, '' */
442 nlen
= strlen(nfile
);
443 rem
= SIZCOL
- 1 - col
;
444 if (nlen
+ fill
> rem
) {
446 /* print the right-most part of the name */
447 printf("...%s ", &nfile
[3+nlen
-rem
]);
449 } else if (rem
> 0) {
450 /* fit as much of the etc-string as we can */
452 if (rem
> strlen(etctmpl
))
453 remetc
= strlen(etctmpl
);
455 strncat(etc
, etctmpl
, remetc
);
459 /* room for the last segment of this filename? */
460 lastsep
= strrchr(nfile
, '/');
461 if ((lastsep
!= NULL
) && (rem
> strlen(lastsep
))) {
462 /* print the right-most part of this name */
463 printf("%s", lastsep
);
464 col
+= strlen(lastsep
);
466 /* do not pack any more names in here */
479 if (*datafile
&& !stat(datafile
, &lbuf
))
480 totsize
+= copies
* lbuf
.st_size
;
485 * Print the long info about the file
488 ldump(const char *nfile
, const char *datafile
, int copies
)
494 printf("%-2d copies of %-19s", copies
, nfile
);
496 printf("%-32s", nfile
);
497 if (*datafile
&& !stat(datafile
, &lbuf
))
498 printf(" %qd bytes", (long long) lbuf
.st_size
);
500 printf(" ??? bytes");
505 * Print the job's rank in the queue,
506 * update col for screen management
512 static const char *r
[] = {
513 "th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
522 snprintf(rline
, sizeof(rline
), "%dth", n
);
524 snprintf(rline
, sizeof(rline
), "%d%s", n
, r
[n
%10]);
525 col
+= strlen(rline
);
530 alarmhandler(int signo __unused
)
532 /* the signal is ignored */
533 /* (the '__unused' is just to avoid a compile-time warning) */