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Code Issues Releases Activity

udp6: allow udp_tun_func_t() to indicate it did not eat the packet

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Implement the same filter feature we implemented for UDP over IPv6 in
742e7210d. This was missed in that commit.

Pointed out by:	markj
Sponsored by:	Rubicon Communications, LLC ("Netgate")
This commit is contained in:
Kristof Provost 2022-04-22 16:11:31 +02:00
parent f010b9c2b9
commit 797b94504f
1 changed files with 5 additions and 3 deletions
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8
sys/netinet6/udp6_usrreq.c
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@ -146,6 +146,7 @@ udp6_append(struct inpcb *inp, struct mbuf *n, int off,
struct socket *so;
struct mbuf *opts = NULL, *tmp_opts;
struct udpcb *up;
bool filtered;
INP_LOCK_ASSERT(inp);
@ -156,10 +157,11 @@ udp6_append(struct inpcb *inp, struct mbuf *n, int off,
if (up->u_tun_func != NULL) {
in_pcbref(inp);
INP_RUNLOCK(inp);
(*up->u_tun_func)(n, off, inp, (struct sockaddr *)&fromsa[0],
up->u_tun_ctx);
filtered = (*up->u_tun_func)(n, off, inp,
(struct sockaddr *)&fromsa[0], up->u_tun_ctx);
INP_RLOCK(inp);
return (in_pcbrele_rlocked(inp));
if (filtered)
return (in_pcbrele_rlocked(inp));
}
#if defined(IPSEC) || defined(IPSEC_SUPPORT)
/* Check AH/ESP integrity. */