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lpr.c (19187) lpr.c (19202)
1/*
2 * Copyright (c) 1983, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.

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40#ifndef lint
41static char copyright[] =
42"@(#) Copyright (c) 1983, 1989, 1993\n\
43 The Regents of the University of California. All rights reserved.\n";
44#endif /* not lint */
45
46#ifndef lint
47static char sccsid[] = "From: @(#)lpr.c 8.4 (Berkeley) 4/28/95"
1/*
2 * Copyright (c) 1983, 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 * (c) UNIX System Laboratories, Inc.
5 * All or some portions of this file are derived from material licensed
6 * to the University of California by American Telephone and Telegraph
7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
8 * the permission of UNIX System Laboratories, Inc.

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40#ifndef lint
41static char copyright[] =
42"@(#) Copyright (c) 1983, 1989, 1993\n\
43 The Regents of the University of California. All rights reserved.\n";
44#endif /* not lint */
45
46#ifndef lint
47static char sccsid[] = "From: @(#)lpr.c 8.4 (Berkeley) 4/28/95"
48 "\n$Id: lpr.c,v 1.8 1996/10/25 18:14:48 imp Exp $\n";
48 "\n$Id: lpr.c,v 1.9 1996/10/26 00:46:34 imp Exp $\n";
49#endif /* not lint */
50
51/*
52 * lpr -- off line print
53 *
54 * Allows multiple printers and printers on remote machines by
55 * using information from a printer data base.
56 */

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108static char *itoa __P((int));
109static char *linked __P((char *));
110static char *lmktemp __P((char *, int, int));
111static void mktemps __P((void));
112static int nfile __P((char *));
113static int test __P((char *));
114static void usage __P((void));
115
49#endif /* not lint */
50
51/*
52 * lpr -- off line print
53 *
54 * Allows multiple printers and printers on remote machines by
55 * using information from a printer data base.
56 */

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108static char *itoa __P((int));
109static char *linked __P((char *));
110static char *lmktemp __P((char *, int, int));
111static void mktemps __P((void));
112static int nfile __P((char *));
113static int test __P((char *));
114static void usage __P((void));
115
116void
116int
117main(argc, argv)
118 int argc;
119 char *argv[];
120{
121 struct passwd *pw;
122 struct group *gptr;
123 register char *arg, *cp;
124 char buf[BUFSIZ];

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267 }
268 if (*gptr->gr_mem == NULL)
269 fatal2("Not a member of the restricted group");
270 }
271 }
272 /*
273 * Check to make sure queuing is enabled if userid is not root.
274 */
117main(argc, argv)
118 int argc;
119 char *argv[];
120{
121 struct passwd *pw;
122 struct group *gptr;
123 register char *arg, *cp;
124 char buf[BUFSIZ];

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267 }
268 if (*gptr->gr_mem == NULL)
269 fatal2("Not a member of the restricted group");
270 }
271 }
272 /*
273 * Check to make sure queuing is enabled if userid is not root.
274 */
275 (void) sprintf(buf, "%s/%s", SD, LO);
275 (void) snprintf(buf, sizeof(buf), "%s/%s", SD, LO);
276 if (userid && stat(buf, &stb) == 0 && (stb.st_mode & 010))
277 fatal2("Printer queue is disabled");
278 /*
279 * Initialize the control file.
280 */
281 mktemps();
282 tfd = nfile(tfname);
283 (void) fchown(tfd, DU, -1); /* owned by daemon for protection */

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316 copy(0, " ");
317 argv++;
318 continue;
319 }
320 if ((f = test(arg = *argv++)) < 0)
321 continue; /* file unreasonable */
322
323 if (sflag && (cp = linked(arg)) != NULL) {
276 if (userid && stat(buf, &stb) == 0 && (stb.st_mode & 010))
277 fatal2("Printer queue is disabled");
278 /*
279 * Initialize the control file.
280 */
281 mktemps();
282 tfd = nfile(tfname);
283 (void) fchown(tfd, DU, -1); /* owned by daemon for protection */

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316 copy(0, " ");
317 argv++;
318 continue;
319 }
320 if ((f = test(arg = *argv++)) < 0)
321 continue; /* file unreasonable */
322
323 if (sflag && (cp = linked(arg)) != NULL) {
324 (void) sprintf(buf, "%d %d", statb.st_dev, statb.st_ino);
324 (void) snprintf(buf, sizeof(buf), "%d %d", statb.st_dev,
325 statb.st_ino);
325 card('S', buf);
326 if (format == 'p')
327 card('T', title ? title : arg);
328 for (i = 0; i < ncopies; i++)
329 card(format, &dfname[inchar-2]);
330 card('U', &dfname[inchar-2]);
331 if (f)
332 card('U', cp);
333 card('N', arg);
334 dfname[inchar]++;
335 nact++;
336 continue;
337 }
338 if (sflag)
339 printf("%s: %s: not linked, copying instead\n", name, arg);
340 if ((i = open(arg, O_RDONLY)) < 0) {
341 printf("%s: cannot open %s\n", name, arg);
326 card('S', buf);
327 if (format == 'p')
328 card('T', title ? title : arg);
329 for (i = 0; i < ncopies; i++)
330 card(format, &dfname[inchar-2]);
331 card('U', &dfname[inchar-2]);
332 if (f)
333 card('U', cp);
334 card('N', arg);
335 dfname[inchar]++;
336 nact++;
337 continue;
338 }
339 if (sflag)
340 printf("%s: %s: not linked, copying instead\n", name, arg);
341 if ((i = open(arg, O_RDONLY)) < 0) {
342 printf("%s: cannot open %s\n", name, arg);
342 continue;
343 } else {
344 copy(i, arg);
345 (void) close(i);
346 if (f && unlink(arg) < 0)
347 printf("%s: %s: not removed\n", name, arg);
343 }
348 }
344 copy(i, arg);
345 (void) close(i);
346 if (f && unlink(arg) < 0)
347 printf("%s: %s: not removed\n", name, arg);
348 }
349
350 if (nact) {
351 (void) close(tfd);
352 tfname[inchar]--;
353 /*
354 * Touch the control file to fix position in the queue.
355 */

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429static char *
430linked(file)
431 register char *file;
432{
433 register char *cp;
434 static char buf[BUFSIZ];
435
436 if (*file != '/') {
349 }
350
351 if (nact) {
352 (void) close(tfd);
353 tfname[inchar]--;
354 /*
355 * Touch the control file to fix position in the queue.
356 */

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430static char *
431linked(file)
432 register char *file;
433{
434 register char *cp;
435 static char buf[BUFSIZ];
436
437 if (*file != '/') {
437 if (getwd(buf) == NULL)
438 if (getcwd(buf,sizeof(buf)) == NULL)
438 return(NULL);
439 while (file[0] == '.') {
440 switch (file[1]) {
441 case '/':
442 file += 2;
443 continue;
444 case '.':
445 if (file[2] == '/') {

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688 */
689static void
690mktemps()
691{
692 register int len, fd, n;
693 register char *cp;
694 char buf[BUFSIZ];
695
439 return(NULL);
440 while (file[0] == '.') {
441 switch (file[1]) {
442 case '/':
443 file += 2;
444 continue;
445 case '.':
446 if (file[2] == '/') {

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689 */
690static void
691mktemps()
692{
693 register int len, fd, n;
694 register char *cp;
695 char buf[BUFSIZ];
696
696 (void) sprintf(buf, "%s/.seq", SD);
697 (void) snprintf(buf, sizeof(buf), "%s/.seq", SD);
697 if ((fd = open(buf, O_RDWR|O_CREAT, 0661)) < 0) {
698 printf("%s: cannot create %s\n", name, buf);
699 exit(1);
700 }
701 if (flock(fd, LOCK_EX)) {
702 printf("%s: cannot lock %s\n", name, buf);
703 exit(1);
704 }

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712 }
713 len = strlen(SD) + strlen(host) + 8;
714 tfname = lmktemp("tf", n, len);
715 cfname = lmktemp("cf", n, len);
716 dfname = lmktemp("df", n, len);
717 inchar = strlen(SD) + 3;
718 n = (n + 1) % 1000;
719 (void) lseek(fd, (off_t)0, 0);
698 if ((fd = open(buf, O_RDWR|O_CREAT, 0661)) < 0) {
699 printf("%s: cannot create %s\n", name, buf);
700 exit(1);
701 }
702 if (flock(fd, LOCK_EX)) {
703 printf("%s: cannot lock %s\n", name, buf);
704 exit(1);
705 }

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713 }
714 len = strlen(SD) + strlen(host) + 8;
715 tfname = lmktemp("tf", n, len);
716 cfname = lmktemp("cf", n, len);
717 dfname = lmktemp("df", n, len);
718 inchar = strlen(SD) + 3;
719 n = (n + 1) % 1000;
720 (void) lseek(fd, (off_t)0, 0);
720 sprintf(buf, "%03d\n", n);
721 snprintf(buf, sizeof(buf), "%03d\n", n);
721 (void) write(fd, buf, strlen(buf));
722 (void) close(fd); /* unlocks as well */
723}
724
725/*
726 * Make a temp file name.
727 */
728static char *
729lmktemp(id, num, len)
730 char *id;
731 int num, len;
732{
733 register char *s;
734
735 if ((s = malloc(len)) == NULL)
736 fatal2("out of memory");
722 (void) write(fd, buf, strlen(buf));
723 (void) close(fd); /* unlocks as well */
724}
725
726/*
727 * Make a temp file name.
728 */
729static char *
730lmktemp(id, num, len)
731 char *id;
732 int num, len;
733{
734 register char *s;
735
736 if ((s = malloc(len)) == NULL)
737 fatal2("out of memory");
737 (void) sprintf(s, "%s/%sA%03d%s", SD, id, num, host);
738 (void) snprintf(s, len, "%s/%sA%03d%s", SD, id, num, host);
738 return(s);
739}
740
741#if __STDC__
742#include <stdarg.h>
743#else
744#include <varargs.h>
745#endif

--- 22 unchanged lines hidden --- 		739 return(s);
740}
741
742#if __STDC__
743#include <stdarg.h>
744#else
745#include <varargs.h>
746#endif

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