create_floppy_devices: add option for owner/group

extras/floppy/create_floppy_devices.c

@@ -21,6 +21,11 @@
 #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",
@@ -34,8 +39,32 @@ static char *table[] = {
 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 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)
 {
@@ -43,34 +72,43 @@ int main(int argc, char **argv)
 	char node[64];
 	int type = 0, i, fdnum, c;
 	int major = 2, minor;
-	int mode = 0;
+	uid_t uid = 0;
+	gid_t gid = 0;
+	mode_t mode = 0;
 	int create_nodes = 0;
 	int print_nodes = 0;
 	int unlink_nodes = 0;
 	int is_err = 0;
 
-	while ((c = getopt(argc, argv, "cdm:M:t:u")) != -1) {
+	while ((c = getopt(argc, argv, "cudm:U:G:M:t:")) != -1) {
 		switch (c) {
 		case 'c':
 			create_nodes = 1;
 			unlink_nodes = 0;
 			break;
-		case 'd':
-			print_nodes = 1;
-			break;
-		case 'M':
-			mode = strtol(optarg, NULL, 10);
-			break;
-		case 'm':
-			major = strtol(optarg, NULL, 10);
-			break;
-		case 't':
-			type = strtol(optarg, NULL, 10);
-			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;
@@ -78,8 +116,15 @@ int main(int argc, char **argv)
 	}
 
 	if (is_err || optind >= argc) {
-		fprintf(stderr,"Usage: %s [-d|-c|-u|-m <major>|-t <type>] <device>\n",
-			argv[0]);
+		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;
 	}
 
@@ -110,17 +155,24 @@ int main(int argc, char **argv)
 	if (type == 0)
 		return 0;
 
+	selinux_init();
+
 	i = 0;
 	while (table_sup[type][i]) {
-		sprintf(node, "%s%s",dev, table[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)
+		if (create_nodes) {
+			unlink(node);
+			selinux_setfscreatecon(node, NULL, mode);
 			mknod(node, S_IFBLK | mode, makedev(major,minor));
+			selinux_resetfscreatecon();
+			chown(node, uid, gid);
+		}
 		i++;
 	}
 
+	selinux_exit();
 	return 0;
 }
-

udev_selinux.c

@@ -90,8 +90,7 @@ void selinux_setfilecon(const char *file, const char *devname, unsigned int mode
 		char *media;
 		int ret = -1;
 
-		if(devname)
-		{
+		if (devname) {
 			media = get_media(devname, mode);
 			if (media) {
 				ret = matchmediacon(media, &scontext);