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/*
* create_floppy_devices
*
* Create all possible floppy device based on the CMOS type.
* Based upon code from drivers/block/floppy.c
*
* Copyright(C) 2005, SUSE Linux Products GmbH
*
* Author:
* Hannes Reinecke <hare@suse.de>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2 of the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <pwd.h>
#include <grp.h>
#include "../../udev.h"
#include "../../udev_selinux.h"
static char *table[] = {
"", "d360", "h1200", "u360", "u720", "h360", "h720",
"u1440", "u2880", "CompaQ", "h1440", "u1680", "h410",
"u820", "h1476", "u1722", "h420", "u830", "h1494", "u1743",
"h880", "u1040", "u1120", "h1600", "u1760", "u1920",
"u3200", "u3520", "u3840", "u1840", "u800", "u1600",
NULL
};
static int t360[] = { 1, 0 };
static int t1200[] = { 2, 5, 6, 10, 12, 14, 16, 18, 20, 23, 0 };
static int t3in[] = { 8, 9, 26, 27, 28, 7, 11, 15, 19, 24, 25, 29, 31, 3, 4, 13, 17, 21, 22, 30, 0 };
static int *table_sup[] = { NULL, t360, t1200, t3in+5+8, t3in+5, t3in, t3in };
#ifdef USE_LOG
void log_message(int priority, const char *format, ...)
{
va_list args;
static int udev_log = -1;
if (udev_log == -1) {
const char *value;
value = getenv("UDEV_LOG");
if (value)
udev_log = log_priority(value);
else
udev_log = LOG_ERR;
}
if (priority > udev_log)
return;
va_start(args, format);
vsyslog(priority, format, args);
va_end(args);
}
#endif
int main(int argc, char **argv)
{
char *dev;
char node[64];
int type = 0, i, fdnum, c;
int major = 2, minor;
uid_t uid = 0;
gid_t gid = 0;
mode_t mode = 0660;
int create_nodes = 0;
int print_nodes = 0;
int unlink_nodes = 0;
int is_err = 0;
while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) {
switch (c) {
case 'c':
create_nodes = 1;
unlink_nodes = 0;
break;
case 'u':
unlink_nodes = 1;
create_nodes = 0;
break;
case 'd':
print_nodes = 1;
break;
case 'U':
uid = lookup_user(optarg);
break;
case 'G':
gid = lookup_group(optarg);
break;
case 'M':
mode = strtol(optarg, NULL, 0);
mode = mode & 0666;
break;
case 'm':
major = strtol(optarg, NULL, 0);
break;
case 't':
type = strtol(optarg, NULL, 0);
break;
default:
is_err++;
break;
}
}
if (is_err || optind >= argc) {
printf("Usage: %s [OPTION] device\n"
" -c create\n"
" -d debug\n"
" -m Major number\n"
" -t floppy type number\n"
" -U device node user ownership\n"
" -G device node group owner\n"
" -M device node mode\n"
"\n", argv[0]);
return 1;
}
dev = argv[optind];
if (dev[strlen(dev) - 3] != 'f' || dev[strlen(dev) -2 ] != 'd') {
fprintf(stderr,"Device '%s' is not a floppy device\n", dev);
return 1;
}
fdnum = strtol(dev + 2, NULL, 10);
if (fdnum < 0 || fdnum > 7) {
fprintf(stderr,"Floppy device number %d out of range (0-7)\n", fdnum);
return 1;
}
if (fdnum > 3)
fdnum += 128;
if (major < 1) {
fprintf(stderr,"Invalid major number %d\n", major);
return 1;
}
if (type < 0 || type > (int) sizeof(table)) {
fprintf(stderr,"Invalid CMOS type %d\n", type);
return 1;
}
if (type == 0)
return 0;
selinux_init();
i = 0;
while (table_sup[type][i]) {
sprintf(node, "%s%s", dev, table[table_sup[type][i]]);
minor = (table_sup[type][i] << 2) + fdnum;
if (print_nodes)
printf("%s b %d %d %d\n", node, mode, major, minor);
if (create_nodes) {
unlink(node);
selinux_setfscreatecon(node, NULL, S_IFBLK | mode);
mknod(node, S_IFBLK | mode, makedev(major,minor));
selinux_resetfscreatecon();
chown(node, uid, gid);
chmod(node, S_IFBLK | mode);
}
i++;
}
selinux_exit();
return 0;
}
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