[PATCH bpf-next 6/7] selftests: bpf: Extend sk_assign for address proxy
From: Joe Stringer <hidden>
Date: 2020-03-12 23:37:04
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Shuah Khan, Linus Torvalds
Extend the socket assign test program to also validate that connections to foreign addresses may also be proxied to a user agent via this mechanism. Signed-off-by: Joe Stringer <redacted> --- tools/testing/selftests/bpf/test_sk_assign.c | 13 +++++++++++++ tools/testing/selftests/bpf/test_sk_assign.sh | 3 +++ 2 files changed, 16 insertions(+)
diff --git a/tools/testing/selftests/bpf/test_sk_assign.c b/tools/testing/selftests/bpf/test_sk_assign.c
index cba5f8b2b7fd..4b7b9bbe7859 100644
--- a/tools/testing/selftests/bpf/test_sk_assign.c
+++ b/tools/testing/selftests/bpf/test_sk_assign.c@@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2018 Facebook // Copyright (c) 2019 Cloudflare +// Copyright (c) 2020 Isovalent. Inc. #include <string.h> #include <stdlib.h>
@@ -17,6 +18,8 @@ #include "bpf_rlimit.h" #include "cgroup_helpers.h" +#define TEST_DADDR (0xC0A80203) + static int start_server(const struct sockaddr *addr, socklen_t len) { int fd;
@@ -161,6 +164,16 @@ int main(int argc, char **argv) addr4.sin_port = htons(4321); addr6.sin6_port = htons(4321); + if (run_test(server, (const struct sockaddr *)&addr4, sizeof(addr4))) + goto out; + + if (run_test(server_v6, (const struct sockaddr *)&addr6, sizeof(addr6))) + goto out; + + /* Connect to unbound addresses */ + addr4.sin_addr.s_addr = htonl(TEST_DADDR); + addr6.sin6_addr.s6_addr32[3] = htonl(TEST_DADDR); + if (run_test(server, (const struct sockaddr *)&addr4, sizeof(addr4))) goto out;
diff --git a/tools/testing/selftests/bpf/test_sk_assign.sh b/tools/testing/selftests/bpf/test_sk_assign.sh
index 62eae9255491..de1df4e438de 100755
--- a/tools/testing/selftests/bpf/test_sk_assign.sh
+++ b/tools/testing/selftests/bpf/test_sk_assign.sh@@ -12,6 +12,9 @@ if [[ -z $(ip netns identify $$) ]]; then exec ../net/in_netns.sh "$0" "$@" fi +ip route add local default dev lo +ip -6 route add local default dev lo + tc qdisc add dev lo clsact tc filter add dev lo ingress bpf direct-action object-file ./test_sk_assign.o \ section "sk_assign_test"
--
2.20.1