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authorGravatar Glenn L McGrath <bug1@ihug.co.nz>2004-06-05 07:54:52 +0000
committerGravatar Glenn L McGrath <bug1@ihug.co.nz>2004-06-05 07:54:52 +0000
commit84b6264670619c8051f0c81a1ed7bb58e161df21 (patch)
tree80a5447e076ed386b5d7ae7c92540ee87b39f008 /miscutils/makedevs.c
parent58b118ae33e70bdd37872a2e68f09234c890eeac (diff)
downloadbusybox-84b6264670619c8051f0c81a1ed7bb58e161df21.tar.gz
busybox-84b6264670619c8051f0c81a1ed7bb58e161df21.tar.bz2
Device table support for makedevs, the previous behaviour can been
selected at configure time.
Diffstat (limited to 'miscutils/makedevs.c')
-rw-r--r--miscutils/makedevs.c192
1 files changed, 164 insertions, 28 deletions
diff --git a/miscutils/makedevs.c b/miscutils/makedevs.c
index 45498bb1d..57b2d6c70 100644
--- a/miscutils/makedevs.c
+++ b/miscutils/makedevs.c
@@ -1,20 +1,27 @@
/* vi: set sw=4 ts=4: */
-/*
- * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
- *
- * makedevs
- * Make ranges of device files quickly.
- * known bugs: can't deal with alpha ranges
- */
+#include <sys/types.h>
+
+#include <fcntl.h>
+#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <fcntl.h>
+#include <time.h>
#include <unistd.h>
-#include <sys/types.h>
+
#include "busybox.h"
+#ifdef CONFIG_FEATURE_MAKEDEVS_LEAF
+
+/*
+ * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
+ *
+ * makedevs
+ * Make ranges of device files quickly.
+ * known bugs: can't deal with alpha ranges
+ */
+
int makedevs_main(int argc, char **argv)
{
mode_t mode;
@@ -69,24 +76,153 @@ int makedevs_main(int argc, char **argv)
return 0;
}
+#elif defined CONFIG_FEATURE_MAKEDEVS_TABLE
+
/*
-And this is what this program replaces. The shell is too slow!
-
-makedev () {
-local basedev=$1; local S=$2; local E=$3
-local major=$4; local Sminor=$5; local type=$6
-local sbase=$7
-
- if [ ! "$sbase" = "" ]; then
- mknod "$basedev" $type $major $Sminor
- S=`expr $S + 1`
- Sminor=`expr $Sminor + 1`
- fi
-
- while [ $S -le $E ]; do
- mknod "$basedev$S" $type $major $Sminor
- S=`expr $S + 1`
- Sminor=`expr $Sminor + 1`
- done
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+static const struct option makedevs_long_options[] = {
+ {"root", 1, NULL, 'r'},
+ {0, 0, 0, 0}
+};
+
+extern int makedevs_main(int argc, char **argv)
+{
+ FILE *table;
+ int opt;
+ char *rootdir = "./";
+ char *line;
+ int ret = EXIT_SUCCESS;
+
+ bb_opt_complementaly = "d~r";
+ bb_applet_long_options = makedevs_long_options;
+ opt = bb_getopt_ulflags(argc, argv, "d:r:", &rootdir, &rootdir);
+
+ if (optind + 1 == argc) {
+ table = bb_xfopen(argv[optind], "r");
+ } else {
+ table = stdin;
+ }
+
+ if (chdir(rootdir) == -1) {
+ bb_perror_msg_and_die("Couldnt chdor to %s", rootdir);
+ }
+
+ umask(0);
+
+ while ((line = bb_get_chomped_line_from_file(table))) {
+ char type;
+ unsigned int mode = 0755;
+ unsigned int major = 0;
+ unsigned int minor = 0;
+ unsigned int count = 0;
+ unsigned int increment = 0;
+ unsigned int start = 0;
+ char name[41];
+ char user[41];
+ char group[41];
+ char *full_name;
+ uid_t uid;
+ gid_t gid;
+
+ if ((2 > sscanf(line, "%40s %c %o %40s %40s %u %u %u %u %u", name,
+ &type, &mode, user, group, &major,
+ &minor, &start, &increment, &count)) ||
+ ((major | minor | start | count | increment) > 255)) {
+ bb_error_msg("Ignoring invalid line\n%s\n", line);
+ ret = EXIT_FAILURE;
+ continue;
+ }
+ if (name[0] == '#') {
+ continue;
+ }
+ if (group) {
+ gid = get_ug_id(group, my_getgrnam);
+ } else {
+ gid = getgid();
+ }
+ if (user) {
+ uid = get_ug_id(user, my_getpwnam);
+ } else {
+ uid = getuid();
+ }
+ full_name = concat_path_file(rootdir, name);
+
+ if (type == 'd') {
+ bb_make_directory(full_name, mode | S_IFDIR, 0);
+ if (chown(full_name, uid, gid) == -1) {
+ bb_perror_msg("chown failed for %s", full_name);
+ ret = EXIT_FAILURE;
+ goto loop;
+ }
+ } else {
+ dev_t rdev;
+
+ if (type == 'p') {
+ mode |= S_IFIFO;
+ }
+ else if (type == 'c') {
+ mode |= S_IFCHR;
+ }
+ else if (type == 'b') {
+ mode |= S_IFBLK;
+ } else {
+ bb_error_msg("Unsupported file type %c", type);
+ ret = EXIT_FAILURE;
+ goto loop;
+ }
+
+ if (count > 0) {
+ int i;
+ char *full_name_inc;
+
+ full_name_inc = xmalloc(strlen(full_name) + 4);
+ for (i = start; i < count; i++) {
+ sprintf(full_name_inc, "%s%d", full_name, i);
+ rdev = (major << 8) + minor + (i * increment - start);
+ if (mknod(full_name_inc, mode, rdev) == -1) {
+ bb_perror_msg("Couldnt create node %s", full_name_inc);
+ ret = EXIT_FAILURE;
+ }
+ else if (chown(full_name_inc, uid, gid) == -1) {
+ bb_perror_msg("chown failed for %s", full_name_inc);
+ ret = EXIT_FAILURE;
+ }
+ }
+ free(full_name_inc);
+ } else {
+ rdev = (major << 8) + minor;
+ if (mknod(full_name, mode, rdev) == -1) {
+ bb_perror_msg("Couldnt create node %s", full_name);
+ ret = EXIT_FAILURE;
+ }
+ else if (chown(full_name, uid, gid) == -1) {
+ bb_perror_msg("chown failed for %s", full_name);
+ ret = EXIT_FAILURE;
+ }
+ }
+ }
+loop:
+ free(line);
+ free(full_name);
+ }
+ fclose(table);
+
+ return 0;
}
-*/
+#else
+# error makdedevs configuration error, either leaf or table must be selected
+#endif