util-linux/util-linux-2.13-mkswap-selinux.patch

--- util-linux-2.13-pre6/disk-utils/mkswap.c.selinux	2005-08-14 17:34:49.000000000 +0200
+++ util-linux-2.13-pre6/disk-utils/mkswap.c	2006-03-08 16:35:08.000000000 +0100
@@ -39,6 +39,12 @@
 #include <sys/ioctl.h>		/* for _IO */
 #include <sys/utsname.h>
 #include <sys/stat.h>
+#include <errno.h>
+#ifdef HAVE_LIBSELINUX
+#include <selinux/selinux.h>
+#include <selinux/context.h>
+#endif
+
 #include "swapheader.h"
 #include "xstrncpy.h"
 #include "nls.h"
@@ -76,6 +82,8 @@
 
 #define MAKE_VERSION(p,q,r)	(65536*(p) + 256*(q) + (r))
 
+#define SELINUX_SWAPFILE_TYPE	"swapfile_t"
+
 static int
 linux_version_code(void) {
 	struct utsname my_utsname;
@@ -718,5 +726,39 @@
 	if (fsync(DEV))
 		 die(_("fsync failed"));
 #endif
+
+#ifdef HAVE_LIBSELINUX
+	if (S_ISREG(statbuf.st_mode) && is_selinux_enabled()) {
+		security_context_t context_string;
+		security_context_t oldcontext;
+		context_t newcontext;
+
+		if ((fgetfilecon(DEV, &oldcontext) < 0) && 
+		    (errno != ENODATA)) {
+			fprintf(stderr, "%s: %s: unable to obtain selinux file label: %s\n",
+					program_name, device_name, 
+					strerror(errno));
+			exit(1);
+		}
+		if (!(newcontext = context_new(oldcontext)))
+			die(_("unable to create new selinux context"));
+		if (context_type_set(newcontext, SELINUX_SWAPFILE_TYPE))
+			die(_("couldn't compute selinux context"));
+		
+		context_string = context_str(newcontext);
+		
+		if (strcmp(context_string, oldcontext)!=0) {
+			if (fsetfilecon(DEV, context_string)) {
+				fprintf(stderr, "%s: unable to relabel %s to %s: %s\n",
+						program_name, device_name, 
+						context_string,
+						strerror(errno));
+				exit(1);
+			}
+		}
+		context_free(newcontext);
+		freecon(oldcontext);
+	}
+#endif
 	return 0;
 }
--- util-linux-2.13-pre6/disk-utils/Makefile.am.selinux	2005-09-10 19:46:10.000000000 +0200
+++ util-linux-2.13-pre6/disk-utils/Makefile.am	2006-03-08 16:27:03.000000000 +0100
@@ -30,6 +30,13 @@
 mkfs_cramfs_LDADD = -lz $(top_srcdir)/lib/libmd5.a
 endif
 
+mkswap_LDADD =
+
 if HAVE_UUID
-mkswap_LDADD = -luuid
+mkswap_LDADD += -luuid
+endif
+
+if HAVE_SELINUX
+mkswap_LDADD += -lselinux
 endif
+