Daniel Borkmann 1812291e76 bpf: more msg_name rewrite tests to test_sock_addr ... Extend test_sock_addr for recvmsg test cases, bigger parts of the sendmsg code can be reused for this. Below are the strace view of the recvmsg rewrites; the sendmsg side does not have a BPF prog connected to it for the context of this test: IPv4 test case: [pid 4846] bpf(BPF_PROG_ATTACH, {target_fd=3, attach_bpf_fd=4, attach_type=0x13 /* BPF_??? */, attach_flags=BPF_F_ALLOW_OVERRIDE}, 112) = 0 [pid 4846] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 5 [pid 4846] bind(5, {sa_family=AF_INET, sin_port=htons(4444), sin_addr=inet_addr("127.0.0.1")}, 128) = 0 [pid 4846] socket(AF_INET, SOCK_DGRAM, IPPROTO_IP) = 6 [pid 4846] sendmsg(6, {msg_name={sa_family=AF_INET, sin_port=htons(4444), sin_addr=inet_addr("127.0.0.1")}, msg_namelen=128, msg_iov=[{iov_base="a", iov_len=1}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 4846] select(6, [5], NULL, NULL, {tv_sec=2, tv_usec=0}) = 1 (in [5], left {tv_sec=1, tv_usec=999995}) [pid 4846] recvmsg(5, {msg_name={sa_family=AF_INET, sin_port=htons(4040), sin_addr=inet_addr("192.168.1.254")}, msg_namelen=128->16, msg_iov=[{iov_base="a", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 4846] close(6) = 0 [pid 4846] close(5) = 0 [pid 4846] bpf(BPF_PROG_DETACH, {target_fd=3, attach_type=0x13 /* BPF_??? */}, 112) = 0 IPv6 test case: [pid 4846] bpf(BPF_PROG_ATTACH, {target_fd=3, attach_bpf_fd=4, attach_type=0x14 /* BPF_??? */, attach_flags=BPF_F_ALLOW_OVERRIDE}, 112) = 0 [pid 4846] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 5 [pid 4846] bind(5, {sa_family=AF_INET6, sin6_port=htons(6666), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_flowinfo=htonl(0), sin6_scope_id=0}, 128) = 0 [pid 4846] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 6 [pid 4846] sendmsg(6, {msg_name={sa_family=AF_INET6, sin6_port=htons(6666), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_flowinfo=htonl(0), sin6_scope_id=0}, msg_namelen=128, msg_iov=[{iov_base="a", iov_len=1}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 4846] select(6, [5], NULL, NULL, {tv_sec=2, tv_usec=0}) = 1 (in [5], left {tv_sec=1, tv_usec=999996}) [pid 4846] recvmsg(5, {msg_name={sa_family=AF_INET6, sin6_port=htons(6060), inet_pton(AF_INET6, "face:b00c:1234:5678::abcd", &sin6_addr), sin6_flowinfo=htonl(0), sin6_scope_id=0}, msg_namelen=128->28, msg_iov=[{iov_base="a", iov_len=64}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 1 [pid 4846] close(6) = 0 [pid 4846] close(5) = 0 [pid 4846] bpf(BPF_PROG_DETACH, {target_fd=3, attach_type=0x14 /* BPF_??? */}, 112) = 0 test_sock_addr run w/o strace view: # ./test_sock_addr.sh [...] Test case: recvmsg4: return code ok .. [PASS] Test case: recvmsg4: return code !ok .. [PASS] Test case: recvmsg6: return code ok .. [PASS] Test case: recvmsg6: return code !ok .. [PASS] Test case: recvmsg4: rewrite IP & port (asm) .. [PASS] Test case: recvmsg6: rewrite IP & port (asm) .. [PASS] [...] Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Andrey Ignatov <rdna@fb.com> Acked-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2019-06-06 16:53:12 -07:00
..
fault-injection	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
ktest	ktest: update sample.conf for grub2bls	2019-05-10 14:54:52 -04:00
nvdimm	tools/testing/nvdimm: add watermarks for dax_pmem* modules	2019-04-22 15:56:28 -07:00
radix-tree	radix tree: Don't return retry entries from lookup	2018-12-06 08:26:16 -05:00
scatterlist	tools/testing/scatterlist: Test new __sg_alloc_table_from_pages	2017-09-07 10:54:40 +01:00
selftests	bpf: more msg_name rewrite tests to test_sock_addr	2019-06-06 16:53:12 -07:00
vsock	VSOCK: add tools/testing/vsock/vsock_diag_test	2017-10-05 18:44:17 -07:00