/*
* Copyright (C) 1992-1997 Michael K. Johnson, johnsonm@redhat.com
*
* This file is licensed under the terms of the GNU General Public
* License, version 2, or any later version. See file COPYING for
* information on distribution conditions.
*/
/*
* This command is deprecated. The utility is in maintenance mode,
* meaning we keep them in source tree for backward compatibility
* only. Do not waste time making this command better, unless the
* fix is about security or other very critical issue.
*
* See Documentation/deprecated.txt for more information.
*/
/*
* $Log: tunelp.c,v $
* Revision 1.9 1998/06/08 19:37:11 janl
* Thus compiles tunelp with 2.1.103 kernels
*
* Revision 1.8 1997/07/06 00:14:06 aebr
* Fixes to silence -Wall.
*
* Revision 1.7 1997/06/20 16:10:38 janl
* tunelp refreshed from authors archive.
*
* Revision 1.9 1997/06/20 12:56:43 johnsonm
* Finished fixing license terms.
*
* Revision 1.8 1997/06/20 12:34:59 johnsonm
* Fixed copyright and license.
*
* Revision 1.7 1995/03/29 11:16:23 johnsonm
* TYPO fixed...
*
* Revision 1.6 1995/03/29 11:12:15 johnsonm
* Added third argument to ioctl needed with new kernels
*
* Revision 1.5 1995/01/13 10:33:43 johnsonm
* Chris's changes for new ioctl numbers and backwards compatibility
* and the reset ioctl.
*
* Revision 1.4 1995/01/03 17:42:14 johnsonm
* -s isn't supposed to take an argument; removed : after s in getopt...
*
* Revision 1.3 1995/01/03 07:36:49 johnsonm
* Fixed typo
*
* Revision 1.2 1995/01/03 07:33:44 johnsonm
* revisions for lp driver updates in Linux 1.1.76
*
* 1999-02-22 Arkadiusz Miśkiewicz <misiek@pld.ORG.PL>
* - added Native Language Support
*
* 1999-05-07 Merged LPTRUSTIRQ patch by Andrea Arcangeli (1998/11/29), aeb
*
*/
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <linux/lp.h>
#include "nls.h"
#include "closestream.h"
#include "strutils.h"
#define EXIT_LP_MALLOC 2
#define EXIT_LP_BADVAL 3
#define EXIT_LP_IO_ERR 4
#define XALLOC_EXIT_CODE EXIT_LP_MALLOC
#include "xalloc.h"
struct command {
long op;
long val;
struct command *next;
};
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
fputs(USAGE_HEADER, out);
fprintf(out, _(" %s [options] <device>\n"), program_invocation_short_name);
fputs(USAGE_SEPARATOR, out);
fputs(_("Set various parameters for the line printer.\n"), out);
fputs(USAGE_OPTIONS, out);
fputs(_(" -i, --irq <num> specify parallel port irq\n"), out);
fputs(_(" -t, --time <ms> driver wait time in milliseconds\n"), out);
fputs(_(" -c, --chars <num> number of output characters before sleep\n"), out);
fputs(_(" -w, --wait <us> strobe wait in micro seconds\n"), out);
/* TRANSLATORS: do not translate <on|off> arguments. The
argument reader does not recognize locale, unless `on' is
exactly that very same string. */
fputs(_(" -a, --abort <on|off> abort on error\n"), out);
fputs(_(" -o, --check-status <on|off> check printer status before printing\n"), out);
fputs(_(" -C, --careful <on|off> extra checking to status check\n"), out);
fputs(_(" -s, --status query printer status\n"), out);
fputs(_(" -r, --reset reset the port\n"), out);
fputs(_(" -q, --print-irq <on|off> display current irq setting\n"), out);
fputs(USAGE_SEPARATOR, out);
printf(USAGE_HELP_OPTIONS(30));
printf(USAGE_MAN_TAIL("tunelp(8)"));
exit(EXIT_SUCCESS);
}
int main(int argc, char **argv)
{
int c, fd, irq, status, show_irq, offset = 0, retval;
char *filename;
struct stat statbuf;
struct command *cmds, *cmdst;
static const struct option longopts[] = {
{"irq", required_argument, NULL, 'i'},
{"time", required_argument, NULL, 't'},
{"chars", required_argument, NULL, 'c'},
{"wait", required_argument, NULL, 'w'},
{"abort", required_argument, NULL, 'a'},
{"check-status", required_argument, NULL, 'o'},
{"careful", required_argument, NULL, 'C'},
{"status", no_argument, NULL, 's'},
{"trust-irq", required_argument, NULL, 'T'},
{"reset", no_argument, NULL, 'r'},
{"print-irq", required_argument, NULL, 'q'},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
strutils_set_exitcode(EXIT_LP_BADVAL);
if (argc < 2) {
warnx(_("not enough arguments"));
errtryhelp(EXIT_FAILURE);
}
cmdst = cmds = xmalloc(sizeof(struct command));
cmds->next = NULL;
show_irq = 1;
while ((c = getopt_long(argc, argv, "t:c:w:a:i:ho:C:sq:rT:vV", longopts, NULL)) != -1) {
switch (c) {
case 'h':
usage();
break;
case 'i':
cmds->op = LPSETIRQ;
cmds->val = strtol_or_err(optarg, _("argument error"));
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 't':
cmds->op = LPTIME;
cmds->val = strtol_or_err(optarg, _("argument error"));
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'c':
cmds->op = LPCHAR;
cmds->val = strtol_or_err(optarg, _("argument error"));
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'w':
cmds->op = LPWAIT;
cmds->val = strtol_or_err(optarg, _("argument error"));
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'a':
cmds->op = LPABORT;
cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'q':
show_irq = parse_switch(optarg, _("argument error"), "on", "off", NULL);
break;
case 'o':
cmds->op = LPABORTOPEN;
cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'C':
cmds->op = LPCAREFUL;
cmds->val = parse_switch(optarg, _("argument error"), "on", "off", NULL);
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 's':
show_irq = 0;
cmds->op = LPGETSTATUS;
cmds->val = 0;
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'r':
cmds->op = LPRESET;
cmds->val = 0;
cmds->next = xmalloc(sizeof(struct command));
cmds = cmds->next;
cmds->next = NULL;
break;
case 'v':
case 'V':
printf(UTIL_LINUX_VERSION);
return EXIT_SUCCESS;
default:
errtryhelp(EXIT_FAILURE);
}
}
if (optind != argc - 1) {
warnx(_("no device specified"));
errtryhelp(EXIT_FAILURE);
}
filename = xstrdup(argv[optind]);
fd = open(filename, O_WRONLY | O_NONBLOCK, 0);
/* Need to open O_NONBLOCK in case ABORTOPEN is already set
* and printer is off or off-line or in an error condition.
* Otherwise we would abort...
*/
if (fd < 0)
err(EXIT_FAILURE, "%s", filename);
if (fstat(fd, &statbuf))
err(EXIT_FAILURE, "%s: stat() failed", filename);
if (!S_ISCHR(statbuf.st_mode)) {
warnx(_("%s not an lp device"), filename);
errtryhelp(EXIT_FAILURE);
}
/* Allow for binaries compiled under a new kernel to work on
* the old ones The irq argument to ioctl isn't touched by
* the old kernels, but we don't want to cause the kernel to
* complain if we are using a new kernel
*/
if (LPGETIRQ >= 0x0600 && ioctl(fd, LPGETIRQ, &irq) < 0
&& errno == EINVAL)
/* We don't understand the new ioctls */
offset = 0x0600;
cmds = cmdst;
while (cmds->next) {
if (cmds->op == LPGETSTATUS) {
status = 0xdeadbeef;
retval = ioctl(fd, LPGETSTATUS - offset, &status);
if (retval < 0)
warnx(_("LPGETSTATUS error"));
else {
if (status == (int)0xdeadbeef)
/* a few 1.1.7x kernels will do this */
status = retval;
printf(_("%s status is %d"), filename, status);
if (!(status & LP_PBUSY))
printf(_(", busy"));
if (!(status & LP_PACK))
printf(_(", ready"));
if ((status & LP_POUTPA))
printf(_(", out of paper"));
if ((status & LP_PSELECD))
printf(_(", on-line"));
if (!(status & LP_PERRORP))
printf(_(", error"));
printf("\n");
}
} else
if (ioctl(fd, cmds->op - offset, cmds->val) < 0)
warn(_("ioctl failed"));
cmdst = cmds;
cmds = cmds->next;
free(cmdst);
}
if (show_irq) {
irq = 0xdeadbeef;
retval = ioctl(fd, LPGETIRQ - offset, &irq);
if (retval == -1)
err(EXIT_LP_IO_ERR, _("LPGETIRQ error"));
if (irq == (int)0xdeadbeef)
/* up to 1.1.77 will do this */
irq = retval;
if (irq)
printf(_("%s using IRQ %d\n"), filename, irq);
else
printf(_("%s using polling\n"), filename);
}
free(filename);
close(fd);
return EXIT_SUCCESS;
}
