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-rw-r--r--freebsd/contrib/tcpdump/tcpdump.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/freebsd/contrib/tcpdump/tcpdump.c b/freebsd/contrib/tcpdump/tcpdump.c
index 75896da3..fbee78ce 100644
--- a/freebsd/contrib/tcpdump/tcpdump.c
+++ b/freebsd/contrib/tcpdump/tcpdump.c
@@ -2210,6 +2210,9 @@ main(int argc, char **argv)
#else
cansandbox = (cansandbox && ndo->ndo_nflag);
#endif /* HAVE_CASPER */
+ cansandbox = (cansandbox && (pcap_fileno(pd) != -1 ||
+ RFileName != NULL));
+
if (cansandbox && cap_enter() < 0 && errno != ENOSYS)
error("unable to enter the capability mode");
#endif /* HAVE_CAPSICUM */