Removed unreachable Lwt.catch

Spotted by Hannes Mehnert.
This commit is contained in:
Thomas Leonard 2020-01-13 10:05:38 +00:00
parent ab3508a936
commit 8e714c7712
2 changed files with 17 additions and 27 deletions

View File

@ -5,5 +5,5 @@ docker build -t qubes-mirage-firewall .
echo Building Firewall...
docker run --rm -i -v `pwd`:/home/opam/qubes-mirage-firewall qubes-mirage-firewall
echo "SHA2 of build: $(sha256sum qubes_firewall.xen)"
echo "SHA2 last known: 6f8f0f19ba62bf5312039f2904ea8696584f8ff49443dec098facf261449ebf2"
echo "SHA2 last known: 91c5bf44a85339aaf14e4763a29c2b64537f5bc41cd7dc2571af954ec9dd3cad"
echo "(hashes should match for released versions)"

View File

@ -12,33 +12,23 @@ module Log = (val Logs.src_log src : Logs.LOG)
let transmit_ipv4 packet iface =
Lwt.catch
(fun () ->
Lwt.catch
(fun () ->
let fragments = ref [] in
iface#writev `IPv4 (fun b ->
match Nat_packet.into_cstruct packet b with
| Error e ->
Log.warn (fun f -> f "Failed to write packet to %a: %a"
Ipaddr.V4.pp iface#other_ip
Nat_packet.pp_error e);
0
| Ok (n, frags) -> fragments := frags ; n) >>= fun () ->
Lwt_list.iter_s (fun f ->
let size = Cstruct.len f in
iface#writev `IPv4 (fun b -> Cstruct.blit f 0 b 0 size ; size))
!fragments)
(fun ex ->
Log.warn (fun f -> f "Failed to write packet to %a: %s"
Ipaddr.V4.pp iface#other_ip
(Printexc.to_string ex));
Lwt.return_unit
)
)
let fragments = ref [] in
iface#writev `IPv4 (fun b ->
match Nat_packet.into_cstruct packet b with
| Error e ->
Log.warn (fun f -> f "Failed to NAT packet to %a: %a"
Ipaddr.V4.pp iface#other_ip
Nat_packet.pp_error e);
0
| Ok (n, frags) -> fragments := frags ; n) >>= fun () ->
Lwt_list.iter_s (fun f ->
let size = Cstruct.len f in
iface#writev `IPv4 (fun b -> Cstruct.blit f 0 b 0 size ; size))
!fragments)
(fun ex ->
Log.err (fun f -> f "Exception in transmit_ipv4: %s for:@.%a"
(Printexc.to_string ex)
Nat_packet.pp packet
);
Log.warn (fun f -> f "Failed to write packet to %a: %s"
Ipaddr.V4.pp iface#other_ip
(Printexc.to_string ex));
Lwt.return_unit
)