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Differential D10018 Diff 26485 head/usr.sbin/tcpdrop/tcpdrop.c

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head/usr.sbin/tcpdrop/tcpdrop.c

Show First 20 Lines • Show All 199 Lines • ▼ Show 20 Lines printf("%s %s %s %s: dropped\n", local.hs_host, local.hs_service,
foreign.hs_host, foreign.hs_service); foreign.hs_host, foreign.hs_service);
return (true); return (true);
} }
static bool static bool
tcpdropall(void) tcpdropall(void)
{ {
struct xinpgen *head, *xinp; struct xinpgen *head, *xinp;
struct xtcpcb *xpcb; struct xtcpcb *xtp;
struct tcpcb *tp; struct xinpcb *xip;
struct inpcb *inp;
bool ok; bool ok;
ok = true; ok = true;
head = getxpcblist("net.inet.tcp.pcblist"); head = getxpcblist("net.inet.tcp.pcblist");
#define XINP_NEXT(xinp) \ #define XINP_NEXT(xinp) \
((struct xinpgen *)((uintptr_t)(xinp) + (xinp)->xig_len)) ((struct xinpgen *)((uintptr_t)(xinp) + (xinp)->xig_len))
for (xinp = XINP_NEXT(head); xinp->xig_len > sizeof *xinp; for (xinp = XINP_NEXT(head); xinp->xig_len > sizeof *xinp;
xinp = XINP_NEXT(xinp)) { xinp = XINP_NEXT(xinp)) {
xpcb = (struct xtcpcb *)xinp; xtp = (struct xtcpcb *)xinp;
tp = &xpcb->xt_tp; xip = &xtp->xt_inp;
inp = &xpcb->xt_inp;
/* /*
* XXX * XXX
* Check protocol, support just v4 or v6, etc. * Check protocol, support just v4 or v6, etc.
*/ */
/* Ignore PCBs which were freed during copyout. */ /* Ignore PCBs which were freed during copyout. */
if (inp->inp_gencnt > head->xig_gen) if (xip->inp_gencnt > head->xig_gen)
continue; continue;
/* Skip listening sockets. */ /* Skip listening sockets. */
if (tp->t_state == TCPS_LISTEN) if (xtp->t_state == TCPS_LISTEN)
continue; continue;
if (!tcpdropconn(&inp->inp_inc)) if (!tcpdropconn(&xip->inp_inc))
ok = false; ok = false;
} }
free(head); free(head);
return (ok); return (ok);
} }
static bool static bool
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