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authorKay Sievers <kay.sievers@vrfy.org>2012-04-03 21:08:04 +0200
committerKay Sievers <kay.sievers@vrfy.org>2012-04-03 21:08:04 +0200
commit19c5f19d69bb5f520fa7213239490c55de06d99d (patch)
tree0066ff6b95da3b86812f72f771fd09bab25d4e7a /src/udev/src/floppy/create_floppy_devices.c
parent3eff4208ffecedd778fec260f0d4b18e94dab443 (diff)
parent4db539b27021dcaa716828cbb689f591adb5af23 (diff)
import udev repository
Diffstat (limited to 'src/udev/src/floppy/create_floppy_devices.c')
-rw-r--r--src/udev/src/floppy/create_floppy_devices.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/src/udev/src/floppy/create_floppy_devices.c b/src/udev/src/floppy/create_floppy_devices.c
new file mode 100644
index 000000000..f71ef0d80
--- /dev/null
+++ b/src/udev/src/floppy/create_floppy_devices.c
@@ -0,0 +1,177 @@
+/*
+ * 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, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#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 "libudev.h"
+#include "libudev-private.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 };
+
+static void log_fn(struct udev *udev, int priority,
+ const char *file, int line, const char *fn,
+ const char *format, va_list args)
+{
+ vsyslog(priority, format, args);
+}
+
+int main(int argc, char **argv)
+{
+ struct udev *udev;
+ char *dev;
+ char *devname;
+ 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 is_err = 0;
+
+ udev = udev_new();
+ if (udev == NULL)
+ goto exit;
+
+ udev_log_init("create_floppy_devices");
+ udev_set_log_fn(udev, log_fn);
+ udev_selinux_init(udev);
+
+ while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) {
+ switch (c) {
+ case 'c':
+ create_nodes = 1;
+ break;
+ case 'd':
+ print_nodes = 1;
+ break;
+ case 'U':
+ uid = util_lookup_user(udev, optarg);
+ break;
+ case 'G':
+ gid = util_lookup_group(udev, 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];
+ devname = strrchr(dev, '/');
+ if (devname != NULL)
+ devname = &devname[1];
+ else
+ devname = dev;
+ if (strncmp(devname, "fd", 2) != 0) {
+ fprintf(stderr,"Device '%s' is not a floppy device\n", dev);
+ return 1;
+ }
+
+ fdnum = strtol(&devname[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 += 124;
+
+ if (major < 1) {
+ fprintf(stderr,"Invalid major number %d\n", major);
+ return 1;
+ }
+
+ if (type < 0 || type >= (int) ARRAY_SIZE(table_sup)) {
+ fprintf(stderr,"Invalid CMOS type %d\n", type);
+ return 1;
+ }
+
+ if (type == 0)
+ return 0;
+
+ 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 %.4o %d %d\n", node, mode, major, minor);
+ if (create_nodes) {
+ unlink(node);
+ udev_selinux_setfscreatecon(udev, node, S_IFBLK | mode);
+ mknod(node, S_IFBLK | mode, makedev(major,minor));
+ udev_selinux_resetfscreatecon(udev);
+ chown(node, uid, gid);
+ chmod(node, S_IFBLK | mode);
+ }
+ i++;
+ }
+
+ udev_selinux_exit(udev);
+ udev_unref(udev);
+ udev_log_close();
+exit:
+ return 0;
+}