diff options
Diffstat (limited to 'usr.sbin/lpr/lpq/lpq.c')
| -rw-r--r-- | usr.sbin/lpr/lpq/lpq.c | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/usr.sbin/lpr/lpq/lpq.c b/usr.sbin/lpr/lpq/lpq.c new file mode 100644 index 000000000000..6899b691ee3a --- /dev/null +++ b/usr.sbin/lpr/lpq/lpq.c @@ -0,0 +1,183 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1983, 1993 + * The Regents of the University of California. All rights reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ +/* + * Spool Queue examination program + * + * lpq [-a] [-l] [-Pprinter] [user...] [job...] + * + * -a show all non-null queues on the local machine + * -l long output + * -P used to identify printer as per lpr/lprm + */ + +#include <sys/param.h> + +#include <ctype.h> +#include <dirent.h> +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <syslog.h> +#include <unistd.h> + +#include "lp.h" +#include "lp.local.h" +#include "pathnames.h" + +int requ[MAXREQUESTS]; /* job number of spool entries */ +int requests; /* # of spool requests */ +char *user[MAXUSERS]; /* users to process */ +int users; /* # of users in user array */ + +uid_t uid, euid; + +static int ckqueue(const struct printer *_pp); +static void usage(void); +int main(int _argc, char **_argv); + +int +main(int argc, char **argv) +{ + int ch, aflag, lflag; + const char *printer; + struct printer myprinter, *pp = &myprinter; + + printer = NULL; + euid = geteuid(); + uid = getuid(); + PRIV_END + progname = *argv; + if (gethostname(local_host, sizeof(local_host))) + err(1, "gethostname"); + openlog("lpd", 0, LOG_LPR); + + aflag = lflag = 0; + while ((ch = getopt(argc, argv, "alP:")) != -1) + switch((char)ch) { + case 'a': + ++aflag; + break; + case 'l': /* long output */ + ++lflag; + break; + case 'P': /* printer name */ + printer = optarg; + break; + case '?': + default: + usage(); + } + + if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL) + printer = DEFLP; + + for (argc -= optind, argv += optind; argc; --argc, ++argv) + if (isdigit(argv[0][0])) { + if (requests >= MAXREQUESTS) + fatal(0, "too many requests"); + requ[requests++] = atoi(*argv); + } + else { + if (users >= MAXUSERS) + fatal(0, "too many users"); + user[users++] = *argv; + } + + if (aflag) { + int more, status; + + more = firstprinter(pp, &status); + if (status) + goto looperr; + while (more) { + if (ckqueue(pp) > 0) { + printf("%s:\n", pp->printer); + displayq(pp, lflag); + printf("\n"); + } + do { + more = nextprinter(pp, &status); +looperr: + switch (status) { + case PCAPERR_TCOPEN: + printf("warning: %s: unresolved " + "tc= reference(s) ", + pp->printer); + case PCAPERR_SUCCESS: + break; + default: + fatal(pp, "%s", pcaperr(status)); + } + } while (more && status); + } + } else { + int status; + + init_printer(pp); + status = getprintcap(printer, pp); + if (status < 0) + fatal(pp, "%s", pcaperr(status)); + + displayq(pp, lflag); + } + exit(0); +} + +static int +ckqueue(const struct printer *pp) +{ + register struct dirent *d; + DIR *dirp; + char *spooldir; + + spooldir = pp->spool_dir; + if ((dirp = opendir(spooldir)) == NULL) + return (-1); + while ((d = readdir(dirp)) != NULL) { + if (d->d_name[0] != 'c' || d->d_name[1] != 'f') + continue; /* daemon control files only */ + closedir(dirp); + return (1); /* found something */ + } + closedir(dirp); + return (0); +} + +static void +usage(void) +{ + fprintf(stderr, + "usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]\n"); + exit(1); +} |