X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=libbb%2Fselinux_common.c;h=275a761d29b76b436ace882b6e2a0e6ffae8f8d8;hb=781b672b372ade5c1903adbdc4de8dcb16a29a37;hp=d506f0636ba230100d1cc3084ee8305f8fbdb7d6;hpb=39c651e9097e0e55a52c897982d6e84d281f7396;p=oweals%2Fbusybox.git

diff --git a/libbb/selinux_common.c b/libbb/selinux_common.c
index d506f0636..275a761d2 100644
--- a/libbb/selinux_common.c
+++ b/libbb/selinux_common.c
@@ -1,13 +1,15 @@
 /*
  * libbb/selinux_common.c
  *   -- common SELinux utility functions
- * 
+ *
  * Copyright 2007 KaiGai Kohei <kaigai@kaigai.gr.jp>
+ *
+ * Licensed under GPLv2, see file LICENSE in this tarball for details.
  */
-#include "busybox.h"
+#include "libbb.h"
 #include <selinux/context.h>
 
-context_t set_security_context_component(security_context_t cur_context,
+context_t FAST_FUNC set_security_context_component(security_context_t cur_context,
 					 char *user, char *role, char *type, char *range)
 {
 	context_t con = context_new(cur_context);
@@ -29,7 +31,7 @@ error:
 	return NULL;
 }
 
-void setfscreatecon_or_die(security_context_t scontext)
+void FAST_FUNC setfscreatecon_or_die(security_context_t scontext)
 {
 	if (setfscreatecon(scontext) < 0) {
 		/* Can be NULL. All known printf implementations
@@ -38,3 +40,17 @@ void setfscreatecon_or_die(security_context_t scontext)
 				"file creation context to %s", scontext);
 	}
 }
+
+void FAST_FUNC selinux_preserve_fcontext(int fdesc)
+{
+	security_context_t context;
+
+	if (fgetfilecon(fdesc, &context) < 0) {
+		if (errno == ENODATA || errno == ENOTSUP)
+			return;
+		bb_perror_msg_and_die("fgetfilecon failed");
+	}
+	setfscreatecon_or_die(context);
+	freecon(context);
+}
+