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Index: sys/netinet/tcp_timewait.c
===================================================================
--- sys/netinet/tcp_timewait.c
+++ sys/netinet/tcp_timewait.c
@@ -36,6 +36,7 @@
#include "opt_inet.h"
#include "opt_inet6.h"
+#include "opt_ipsec.h"
#include "opt_tcpdebug.h"
#include <sys/param.h>
@@ -96,6 +97,9 @@
#include <netinet/udp.h>
#include <netinet/udp_var.h>
+
+#include <netipsec/ipsec_support.h>
+
#include <machine/in_cksum.h>
#include <security/mac/mac_framework.h>
@@ -328,6 +332,7 @@
tw->irs = tp->irs;
tw->t_starttime = tp->t_starttime;
tw->tw_time = 0;
+ tw->tw_flags = tp->t_flags;
/* XXX
* If this code will
@@ -669,6 +674,10 @@
to.to_tsval = tcp_ts_getticks() + tw->ts_offset;
to.to_tsecr = tw->t_recent;
}
+#if defined(IPSEC_SUPPORT) || defined(TCP_SIGNATURE)
+ if (tw->tw_flags & TF_SIGNATURE)
+ to.to_flags |= TOF_SIGNATURE;
+#endif
optlen = tcp_addoptions(&to, (u_char *)(th + 1));
if (udp) {
@@ -686,6 +695,13 @@
th->th_flags = flags;
th->th_win = htons(tw->last_win);
+#if defined(IPSEC_SUPPORT) || defined(TCP_SIGNATURE)
+ if (tw->tw_flags & TF_SIGNATURE) {
+ if (!TCPMD5_ENABLED() ||
+ TCPMD5_OUTPUT(m, th, to.to_signature) != 0)
+ return (-1);
+ }
+#endif
#ifdef INET6
if (isipv6) {
if (tw->t_port) {
Index: sys/netinet/tcp_var.h
===================================================================
--- sys/netinet/tcp_var.h
+++ sys/netinet/tcp_var.h
@@ -539,7 +539,7 @@
int tw_time;
TAILQ_ENTRY(tcptw) tw_2msl;
void *tw_pspare; /* TCP_SIGNATURE */
- u_int *tw_spare; /* TCP_SIGNATURE */
+ u_int tw_flags; /* tcpcb t_flags */
};
#define intotcpcb(ip) ((struct tcpcb *)(ip)->inp_ppcb)

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