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-rw-r--r--sys/netinet/raw_ip.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c
index 50bbf32..4fdcf95 100644
--- a/sys/netinet/raw_ip.c
+++ b/sys/netinet/raw_ip.c
@@ -36,6 +36,7 @@
#include "opt_inet6.h"
#include "opt_ipsec.h"
+#include "opt_random_ip_id.h"
#include <sys/param.h>
#include <sys/systm.h>
@@ -220,7 +221,11 @@ rip_output(m, so, dst)
return EINVAL;
}
if (ip->ip_id == 0)
+#ifdef RANDOM_IP_ID
+ ip->ip_id = ip_randomid();
+#else
ip->ip_id = htons(ip_id++);
+#endif
/* XXX prevent ip_output from overwriting header fields */
flags |= IP_RAWOUTPUT;
ipstat.ips_rawout++;
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