diff -up patch-2.5.4/common.h.selinux patch-2.5.4/common.h
--- patch-2.5.4/common.h.selinux	1999-08-30 07:20:08.000000000 +0100
+++ patch-2.5.4/common.h	2009-02-17 15:33:13.000000000 +0000
@@ -39,6 +39,8 @@
 #include <sys/types.h>
 #include <time.h>
 
+#include <selinux/selinux.h>
+
 #include <sys/stat.h>
 #if ! defined S_ISDIR && defined S_IFDIR
 # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
@@ -168,6 +170,7 @@ XTERN char *outfile;
 XTERN int inerrno;
 XTERN int invc;
 XTERN struct stat instat;
+XTERN security_context_t incontext;
 XTERN bool dry_run;
 XTERN bool posixly_correct;
 
diff -up patch-2.5.4/inp.c.selinux patch-2.5.4/inp.c
--- patch-2.5.4/inp.c.selinux	2009-02-17 15:33:13.000000000 +0000
+++ patch-2.5.4/inp.c	2009-02-17 15:33:13.000000000 +0000
@@ -154,7 +154,20 @@ get_input_file (char const *filename, ch
     char *getbuf;
 
     if (inerrno == -1)
-      inerrno = stat (inname, &instat) == 0 ? 0 : errno;
+      {
+	inerrno = stat (inname, &instat) == 0 ? 0 : errno;
+	if (inerrno == 0)
+	  {
+	    inerrno = getfilecon (inname, &incontext) == -1 ? errno : 0;
+	    if (inerrno == ENODATA || inerrno == ENOTSUP)
+	      {
+		inerrno = 0;
+		incontext = NULL;
+	      }
+	  }
+	else
+	  incontext = NULL;
+      }
 
     /* Perhaps look for RCS or SCCS versions.  */
     if (patch_get
@@ -196,7 +209,7 @@ get_input_file (char const *filename, ch
 	    }
 
 	    if (cs && version_get (filename, cs, ! inerrno, elsewhere, getbuf,
-				   &instat))
+				   &instat, &incontext))
 	      inerrno = 0;
 
 	    free (getbuf);
@@ -213,6 +226,7 @@ get_input_file (char const *filename, ch
       {
 	instat.st_mode = S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH;
 	instat.st_size = 0;
+	incontext = NULL;
       }
     else if (! S_ISREG (instat.st_mode))
       fatal ("File %s is not a regular file -- can't patch",
diff -up patch-2.5.4/Makefile.in.selinux patch-2.5.4/Makefile.in
--- patch-2.5.4/Makefile.in.selinux	1999-08-30 07:37:54.000000000 +0100
+++ patch-2.5.4/Makefile.in	2009-02-17 15:33:13.000000000 +0000
@@ -36,7 +36,7 @@ DEFS = @DEFS@
 EXEEXT = @EXEEXT@
 LDFLAGS = @LDFLAGS@
 LIBOBJS = @LIBOBJS@
-LIBS = @LIBS@
+LIBS = @LIBS@ -lselinux
 PACKAGE = @PACKAGE@
 U = @U@
 VERSION = @VERSION@
diff -up patch-2.5.4/patch.c.selinux patch-2.5.4/patch.c
--- patch-2.5.4/patch.c.selinux	2009-02-17 15:33:13.000000000 +0000
+++ patch-2.5.4/patch.c	2009-02-17 15:34:42.000000000 +0000
@@ -414,6 +414,16 @@ main (int argc, char **argv)
 		  if (! inerrno && chmod (outname, instat.st_mode) != 0)
 		    pfatal ("Can't set permissions on file %s",
 			    quotearg (outname));
+		  if (! inerrno && incontext) {
+			  security_context_t outcontext;
+			  getfilecon (outname, &outcontext);
+			  if (strcmp(outcontext, incontext) && 
+			      setfilecon (outname, incontext) != 0) {
+				  if (errno != ENOTSUP && errno != EPERM)
+					  pfatal ("Can't set security context on file %s",
+						  quotearg (outname));
+			  }
+		  }
 		}
 	    }
       }
diff -up patch-2.5.4/pch.c.selinux patch-2.5.4/pch.c
--- patch-2.5.4/pch.c.selinux	2009-02-17 15:33:13.000000000 +0000
+++ patch-2.5.4/pch.c	2009-02-17 15:33:13.000000000 +0000
@@ -258,7 +258,12 @@ there_is_another_patch (void)
 	  {
 	    if (stat (inname, &instat) == 0)
 	      {
-		inerrno = 0;
+		inerrno = getfilecon (inname, &incontext) == -1 ? errno : 0;
+		if (inerrno == ENODATA || inerrno == ENOTSUP)
+		  {
+		    inerrno = 0;
+		    incontext = NULL;
+		  }
 		invc = -1;
 	      }
 	    else
@@ -573,7 +578,7 @@ intuit_diff_type (void)
 			  if (cs)
 			    {
 			      if (version_get (name[i], cs, 0, readonly,
-					       getbuf, &st[i]))
+					       getbuf, &st[i], NULL))
 				stat_errno[i] = 0;
 			      else
 				version_controlled[i] = 0;
@@ -641,6 +646,7 @@ intuit_diff_type (void)
 	inerrno = stat_errno[i];
 	invc = version_controlled[i];
 	instat = st[i];
+	getfilecon (inname, &incontext);
       }
 
     for (i = OLD;  i <= INDEX;  i++)
diff -up patch-2.5.4/util.c.selinux patch-2.5.4/util.c
--- patch-2.5.4/util.c.selinux	2009-02-17 15:33:13.000000000 +0000
+++ patch-2.5.4/util.c	2009-02-17 15:33:13.000000000 +0000
@@ -375,7 +375,8 @@ version_controller (char const *filename
    Return nonzero if successful.  */
 int
 version_get (char const *filename, char const *cs, int exists, int readonly,
-	     char const *getbuf, struct stat *filestat)
+	     char const *getbuf, struct stat *filestat,
+	     security_context_t *filecontext)
 {
   if (patch_get < 0)
     {
@@ -400,6 +401,13 @@ version_get (char const *filename, char 
 	fatal ("Can't get file %s from %s", quotearg (filename), cs);
       if (stat (filename, filestat) != 0)
 	pfatal ("%s", quotearg (filename));
+      if (filecontext && getfilecon (filename, filecontext) == -1)
+	{
+	  if (errno == ENODATA || errno == ENOTSUP)
+	    *filecontext = NULL;
+	  else
+	    pfatal ("%s", quotearg (filename));
+	}
     }
 
   return 1;
diff -up patch-2.5.4/util.h.selinux patch-2.5.4/util.h
--- patch-2.5.4/util.h.selinux	1999-08-30 07:20:08.000000000 +0100
+++ patch-2.5.4/util.h	2009-02-17 15:33:13.000000000 +0000
@@ -21,7 +21,7 @@ char *fetchname PARAMS ((char *, int, ti
 char *savebuf PARAMS ((char const *, size_t));
 char *savestr PARAMS ((char const *));
 char const *version_controller PARAMS ((char const *, int, struct stat const *, char **, char **));
-int version_get PARAMS ((char const *, char const *, int, int, char const *, struct stat *));
+int version_get PARAMS ((char const *, char const *, int, int, char const *, struct stat *, security_context_t *));
 int create_file PARAMS ((char const *, int, mode_t));
 int systemic PARAMS ((char const *));
 char *format_linenum PARAMS ((char[LINENUM_LENGTH_BOUND + 1], LINENUM));