Author: kevans
Date: Wed Aug  9 18:15:07 2017
New Revision: 322324

  capsicum_helpers: Add FIODTYPE to default ioctls allowed
  FIODTYPE will be needed by hexdump(1) to speed up the -s flag on devices
  that should be able to support fseek(3); specifically, in an attempt to
  correct for the fact that most tape drives don't support seeking yet don't
  indicate as such when fseeko(3) is invoked. Related: D10939
  Reviewed by:  cem, emaste, oshogbo
  Approved by:  emaste (mentor)
  Differential Revision:


Modified: head/lib/libcapsicum/capsicum_helpers.h
--- head/lib/libcapsicum/capsicum_helpers.h     Wed Aug  9 18:09:09 2017        
+++ head/lib/libcapsicum/capsicum_helpers.h     Wed Aug  9 18:15:07 2017        
@@ -31,6 +31,7 @@
 #include <sys/param.h>
 #include <sys/capsicum.h>
+#include <sys/ioctl.h>
 #include <errno.h>
 #include <nl_types.h>
@@ -47,7 +48,7 @@ static __inline int
 caph_limit_stream(int fd, int flags)
        cap_rights_t rights;
-       unsigned long cmds[] = { TIOCGETA, TIOCGWINSZ };
+       unsigned long cmds[] = { TIOCGETA, TIOCGWINSZ, FIODTYPE };
        cap_rights_init(&rights, CAP_FCNTL, CAP_FSTAT, CAP_IOCTL);
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