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. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)displayq.c 8.4 (Berkeley) 4/28/95
30 * $FreeBSD: src/usr.sbin/lpr/common_source/displayq.c,v 1.15.2.8 2001/08/30 09:27:41 kris Exp $
31 * $DragonFly: src/usr.sbin/lpr/common_source/displayq.c,v 1.5 2005/08/08 18:58:56 joerg Exp $
34 #include <sys/param.h>
45 #define psignal foil_gcc_psignal
46 #define sys_siglist foil_gcc_siglist
53 #include "pathnames.h"
56 * Routines to display the state of the queue.
58 #define JOBCOL 40 /* column for job # in -l format */
59 #define OWNCOL 7 /* start of Owner column in normal */
60 #define SIZCOL 62 /* start of Size column in normal */
63 * Stuff for handling job specifications
65 extern uid_t uid, euid;
67 static int col; /* column on screen */
68 static char current[NAME_MAX+1]; /* current file being printed */
69 static char file[NAME_MAX+1]; /* print file name */
70 static int first; /* first file in ``files'' column? */
71 static int garbage; /* # of garbage cf files */
72 static int lflag; /* long output option */
73 static int rank; /* order to be printed (-1=none, 0=active) */
74 static long totsize; /* total print job size in bytes */
76 static const char *head0 = "Rank Owner Job Files";
77 static const char *head1 = "Total Size\n";
79 static void alarmhandler(int _signo);
80 static void warn(const struct printer *_pp);
83 * Display the current state of the queue. Format = 1 if long format.
86 displayq(struct printer *pp, int format)
89 int i, nitems, fd, ret;
91 struct jobqueue **queue;
94 void (*savealrm)(int);
100 if ((cp = checkremote(pp))) {
101 printf("Warning: %s\n", cp);
106 * Print out local queue
107 * Find all the control files in the spooling directory
110 if (chdir(pp->spool_dir) < 0)
111 fatal(pp, "cannot chdir to spooling directory: %s",
114 if ((nitems = getq(pp, &queue)) < 0)
115 fatal(pp, "cannot examine spooling area\n");
117 ret = stat(pp->lock_file, &statb);
120 if (statb.st_mode & LFM_PRINT_DIS) {
122 printf("%s: ", local_host);
123 printf("Warning: %s is down: ", pp->printer);
125 fd = open(pp->status_file, O_RDONLY|O_SHLOCK);
128 while ((i = read(fd, line, sizeof(line))) > 0)
129 fwrite(line, 1, i, stdout);
130 close(fd); /* unlocks as well */
134 if (statb.st_mode & LFM_QUEUE_DIS) {
136 printf("%s: ", local_host);
137 printf("Warning: %s queue is turned off\n",
144 fp = fopen(pp->lock_file, "r");
151 endp = cp + sizeof(current) - 1;
152 while ((i = getc(fp)) != EOF && i != '\n') {
168 /* read current file name */
170 endp = cp + sizeof(current) - 1;
171 while ((i = getc(fp)) != EOF && i != '\n') {
177 * Print the status file.
180 printf("%s: ", local_host);
182 fd = open(pp->status_file, O_RDONLY|O_SHLOCK);
185 while ((i = read(fd, line,
187 fwrite(line, 1, i, stdout);
188 close(fd); /* unlocks as well */
195 * Now, examine the control files and print out the jobs to
196 * be done for each user.
200 for (i = 0; i < nitems; i++) {
202 inform(pp, q->job_cfname);
214 * Print foreign queue
215 * Note that a file in transit may show up in either queue.
219 snprintf(line, sizeof(line), "%c%s", format ? '\4' : '\3',
222 for (i = 0; i < requests && cp-line+10 < sizeof(line) - 1; i++) {
224 sprintf(cp, " %d", requ[i]);
226 for (i = 0; i < users && cp - line + 1 + strlen(user[i]) <
227 sizeof(line) - 1; i++) {
233 savealrm = signal(SIGALRM, alarmhandler);
234 alarm(pp->conn_timeout);
235 fd = getport(pp, pp->remote_host, 0);
237 signal(SIGALRM, savealrm);
239 if (from_host != local_host)
240 printf("%s: ", local_host);
241 printf("connection to %s is down\n", pp->remote_host);
245 if (write(fd, line, i) != i)
246 fatal(pp, "Lost connection");
247 while ((i = read(fd, line, sizeof(line))) > 0)
248 fwrite(line, 1, i, stdout);
254 * Print a warning message if there is no daemon present.
257 warn(const struct printer *pp)
260 printf("%s: ", local_host);
261 puts("Warning: no daemon present");
266 * Print the header for the short listing format
272 col = strlen(head0)+1;
278 inform(const struct printer *pp, char *cf)
281 char savedname[MAXPATHLEN+1];
285 * There's a chance the control file has gone away
286 * in the meantime; if this is the case just keep going
289 if ((cfp = fopen(cf, "r")) == NULL)
295 if (pp->remote || garbage || strcmp(cf, current))
299 * The cf-file may include commands to print more than one datafile
300 * from the user. For each datafile, the cf-file contains at least
301 * one line which starts with some format-specifier ('a'-'z'), and
302 * a second line ('N'ame) which indicates the original name the user
303 * specified for that file. There can be multiple format-spec lines
304 * for a single Name-line, if the user requested multiple copies of
305 * that file. Standard lpr puts the format-spec line(s) before the
306 * Name-line, while lprNG puts the Name-line before the format-spec
307 * line(s). This section needs to handle the lines in either order.
312 while (getline(cfp)) {
314 case 'P': /* Was this file specified in the user's list? */
315 if (!inlist(line+1, cf)) {
320 printf("\n%s: ", line+1);
321 col = strlen(line+1) + 2;
324 printf(" [job %s]\n", cf+3);
329 printf("%-10s %-3d ", line+1, atoi(cf+3));
334 default: /* some format specifer and file name? */
335 if (line[0] < 'a' || line[0] > 'z')
337 if (copycnt == 0 || strcmp(file, line+1) != 0) {
338 strlcpy(file, line + 1, sizeof(file));
342 * deliberately 'continue' to another getline(), so
343 * all format-spec lines for this datafile are read
344 * in and counted before calling show()
348 strlcpy(savedname, line + 1, sizeof(savedname));
351 if ((file[0] != '\0') && (savedname[0] != '\0')) {
352 show(savedname, file, copycnt);
359 /* check for a file which hasn't been shown yet */
360 if (file[0] != '\0') {
361 if (savedname[0] == '\0') {
362 /* a safeguard in case the N-ame line is missing */
363 strlcpy(savedname, file, sizeof(savedname));
365 show(savedname, file, copycnt);
369 printf("%ld bytes\n", totsize);
375 inlist(char *uname, char *cfile)
380 if (users == 0 && requests == 0)
383 * Check to see if it's in the user list
385 for (u = user; u < &user[users]; u++)
386 if (!strcmp(*u, uname))
389 * Check the request list
391 for (n = 0, cp = cfile+3; isdigit(*cp); )
392 n = n * 10 + (*cp++ - '0');
393 for (r = requ; r < &requ[requests]; r++)
394 if (*r == n && !strcmp(cp, from_host))
400 show(const char *nfile, const char *datafile, int copies)
402 if (strcmp(nfile, " ") == 0)
403 nfile = "(standard input)";
405 ldump(nfile, datafile, copies);
407 dump(nfile, datafile, copies);
411 * Fill the line with blanks to the specified column
416 while (col++ < tocol)
421 * Give the abbreviated dump of the file names
424 dump(const char *nfile, const char *datafile, int copies)
427 const char etctmpl[] = ", ...";
428 char etc[sizeof(etctmpl)];
434 * Print as many filenames as will fit
435 * (leaving room for the 'total size' field)
437 fill = first ? 0 : 2; /* fill space for ``, '' */
438 nlen = strlen(nfile);
439 rem = SIZCOL - 1 - col;
440 if (nlen + fill > rem) {
442 /* print the right-most part of the name */
443 printf("...%s ", &nfile[3+nlen-rem]);
445 } else if (rem > 0) {
446 /* fit as much of the etc-string as we can */
448 if (rem > strlen(etctmpl))
449 remetc = strlen(etctmpl);
451 strncat(etc, etctmpl, remetc);
455 /* room for the last segment of this filename? */
456 lastsep = strrchr(nfile, '/');
457 if ((lastsep != NULL) && (rem > strlen(lastsep))) {
458 /* print the right-most part of this name */
459 printf("%s", lastsep);
460 col += strlen(lastsep);
462 /* do not pack any more names in here */
475 if (*datafile && !stat(datafile, &lbuf))
476 totsize += copies * lbuf.st_size;
481 * Print the long info about the file
484 ldump(const char *nfile, const char *datafile, int copies)
490 printf("%-2d copies of %-19s", copies, nfile);
492 printf("%-32s", nfile);
493 if (*datafile && !stat(datafile, &lbuf))
494 printf(" %qd bytes", (long long) lbuf.st_size);
496 printf(" ??? bytes");
501 * Print the job's rank in the queue,
502 * update col for screen management
508 static const char *r[] = {
509 "th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"
518 snprintf(rline, sizeof(rline), "%dth", n);
520 snprintf(rline, sizeof(rline), "%d%s", n, r[n%10]);
521 col += strlen(rline);
526 alarmhandler(int signo __unused)
528 /* the signal is ignored */
529 /* (the '__unused' is just to avoid a compile-time warning) */