4bc19b04c5
current version of FreeBSD, this isn't guarenteed by the API. Custom security modules, or future implementations of the setuid and setgid may fail. PR: bin/172289 PR: bin/172290 PR: bin/172291 Submittud by: Erik Cederstrand <erik@cederstrand.dk> Discussed by: freebsd-security Approved by: cperciva MFC after: 1 week
196 lines
4.9 KiB
C
196 lines
4.9 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1983, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#if 0
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#ifndef lint
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static char sccsid[] = "@(#)lpq.c 8.3 (Berkeley) 5/10/95";
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#endif /* not lint */
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#endif
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#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
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__FBSDID("$FreeBSD$");
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/*
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* Spool Queue examination program
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*
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* lpq [-a] [-l] [-Pprinter] [user...] [job...]
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*
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* -a show all non-null queues on the local machine
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* -l long output
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* -P used to identify printer as per lpr/lprm
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*/
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#include <sys/param.h>
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#include <ctype.h>
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#include <dirent.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <unistd.h>
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#include "lp.h"
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#include "lp.local.h"
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#include "pathnames.h"
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int requ[MAXREQUESTS]; /* job number of spool entries */
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int requests; /* # of spool requests */
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char *user[MAXUSERS]; /* users to process */
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int users; /* # of users in user array */
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uid_t uid, euid;
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static int ckqueue(const struct printer *_pp);
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static void usage(void);
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int main(int _argc, char **_argv);
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int
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main(int argc, char **argv)
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{
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int ch, aflag, lflag;
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const char *printer;
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struct printer myprinter, *pp = &myprinter;
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printer = NULL;
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euid = geteuid();
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uid = getuid();
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PRIV_END
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progname = *argv;
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if (gethostname(local_host, sizeof(local_host)))
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err(1, "gethostname");
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openlog("lpd", 0, LOG_LPR);
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aflag = lflag = 0;
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while ((ch = getopt(argc, argv, "alP:")) != -1)
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switch((char)ch) {
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case 'a':
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++aflag;
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break;
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case 'l': /* long output */
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++lflag;
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break;
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case 'P': /* printer name */
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printer = optarg;
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break;
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case '?':
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default:
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usage();
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}
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if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL)
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printer = DEFLP;
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for (argc -= optind, argv += optind; argc; --argc, ++argv)
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if (isdigit(argv[0][0])) {
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if (requests >= MAXREQUESTS)
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fatal(0, "too many requests");
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requ[requests++] = atoi(*argv);
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}
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else {
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if (users >= MAXUSERS)
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fatal(0, "too many users");
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user[users++] = *argv;
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}
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if (aflag) {
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int more, status;
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more = firstprinter(pp, &status);
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if (status)
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goto looperr;
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while (more) {
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if (ckqueue(pp) > 0) {
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printf("%s:\n", pp->printer);
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displayq(pp, lflag);
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printf("\n");
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}
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do {
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more = nextprinter(pp, &status);
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looperr:
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switch (status) {
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case PCAPERR_TCOPEN:
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printf("warning: %s: unresolved "
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"tc= reference(s) ",
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pp->printer);
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case PCAPERR_SUCCESS:
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break;
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default:
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fatal(pp, "%s", pcaperr(status));
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}
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} while (more && status);
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}
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} else {
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int status;
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init_printer(pp);
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status = getprintcap(printer, pp);
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if (status < 0)
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fatal(pp, "%s", pcaperr(status));
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displayq(pp, lflag);
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}
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exit(0);
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}
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static int
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ckqueue(const struct printer *pp)
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{
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register struct dirent *d;
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DIR *dirp;
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char *spooldir;
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spooldir = pp->spool_dir;
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if ((dirp = opendir(spooldir)) == NULL)
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return (-1);
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while ((d = readdir(dirp)) != NULL) {
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if (d->d_name[0] != 'c' || d->d_name[1] != 'f')
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continue; /* daemon control files only */
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closedir(dirp);
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return (1); /* found something */
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}
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closedir(dirp);
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return (0);
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}
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static void
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usage(void)
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{
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fprintf(stderr,
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"usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]\n");
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exit(1);
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}
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