socsvn commit: r254982 - soc2013/dpl/head/lib/libz

[dpl at FreeBSD.org]

Author: dpl
Date: Sat Jul 20 19:23:44 2013
New Revision: 254982
URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=254982

Log:
  Zlib gzip code is limited now.
  

Modified:
  soc2013/dpl/head/lib/libz/gzlib.c

Modified: soc2013/dpl/head/lib/libz/gzlib.c
==============================================================================
--- soc2013/dpl/head/lib/libz/gzlib.c	Sat Jul 20 16:58:17 2013	(r254981)
+++ soc2013/dpl/head/lib/libz/gzlib.c	Sat Jul 20 19:23:44 2013	(r254982)
@@ -18,6 +18,14 @@
 #endif
 #endif
 
+#if defined(__FreeBSD__)
+#	include <osreldate.h>
+#	if __FreeBSD_version >= 900041
+#		define CAPSICUM
+#		include <sys/capability.h>
+#	endif
+#endif
+
 /* Local functions */
 local void gz_reset OF((gz_statep));
 local gzFile gz_open OF((const void *, int, const char *));
@@ -251,6 +259,10 @@
         free(state);
         return NULL;
     }
+#ifdef CAPSICUM
+	cap_rights_limit(state->fd, CAP_READ|CAP_SEEK|CAP_WRITE|CAP_FSTAT);
+	printf("CAPSICUM: fd %d limited\n", state->fd);
+#endif
     if (state->mode == GZ_APPEND)
         state->mode = GZ_WRITE;         /* simplify later checks */