[v1,bpf-next,16/17] selftests/bpf: Expand getsockname and getpeername tests

Message ID	20240510190246.3247730-17-jrife@google.com
State	New
Headers	show Received: from mail-il1-f202.google.com (mail-il1-f202.google.com [209.85.166.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B904445023 for <linux-kselftest@vger.kernel.org>; Fri, 10 May 2024 19:03:15 +0000 (UTC) Date: Fri, 10 May 2024 14:02:33 -0500 In-Reply-To: <20240510190246.3247730-1-jrife@google.com> Precedence: bulk Mime-Version: 1.0 References: <20240510190246.3247730-1-jrife@google.com> Message-ID: <20240510190246.3247730-17-jrife@google.com> Subject: [PATCH v1 bpf-next 16/17] selftests/bpf: Expand getsockname and getpeername tests From: Jordan Rife <jrife@google.com> To: bpf@vger.kernel.org Cc: Jordan Rife <jrife@google.com>, Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, Andrii Nakryiko <andrii@kernel.org>, Martin KaFai Lau <martin.lau@linux.dev>, Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>, Yonghong Song <yonghong.song@linux.dev>, John Fastabend <john.fastabend@gmail.com>, KP Singh <kpsingh@kernel.org>, Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>, Jiri Olsa <jolsa@kernel.org>, Mykola Lysenko <mykolal@fb.com>, Shuah Khan <shuah@kernel.org>, Geliang Tang <tanggeliang@kylinos.cn>, Daan De Meyer <daan.j.demeyer@gmail.com>, Shung-Hsi Yu <shung-hsi.yu@suse.com>, linux-kselftest@vger.kernel.org Content-Type: text/plain; charset="UTF-8"
Series	Retire progs/test_sock_addr.c \| expand [v1,bpf-next,00/17] Retire progs/test_sock_addr.c [v1,bpf-next,01/17] selftests/bpf: Migrate recvmsg* return code tests to verifier_sock_addr.c [v1,bpf-next,02/17] selftests/bpf: Use program name for skel load/destroy functions [v1,bpf-next,03/17] selftests/bpf: Handle LOAD_REJECT test cases [v1,bpf-next,04/17] selftests/bpf: Handle ATTACH_REJECT test cases [v1,bpf-next,05/17] selftests/bpf: Handle SYSCALL_EPERM and SYSCALL_ENOTSUPP test cases [v1,bpf-next,06/17] selftests/bpf: Migrate WILDCARD_IP test [v1,bpf-next,07/17] selftests/bpf: Migrate sendmsg deny test cases [v1,bpf-next,08/17] selftests/bpf: Migrate sendmsg6 v4 mapped address tests [v1,bpf-next,09/17] selftests/bpf: Migrate wildcard destination rewrite test [v1,bpf-next,10/17] selftests/bpf: Migrate expected_attach_type tests [v1,bpf-next,11/17] selftests/bpf: Migrate ATTACH_REJECT test cases [v1,bpf-next,12/17] selftests/bpf: Remove redundant sendmsg test cases [v1,bpf-next,13/17] selftests/bpf: Retire test_sock_addr.(c\|sh) [v1,bpf-next,14/17] selftests/bpf: Expand sockaddr program return value tests [v1,bpf-next,15/17] sefltests/bpf: Expand sockaddr hook deny tests [v1,bpf-next,16/17] selftests/bpf: Expand getsockname and getpeername tests [v1,bpf-next,17/17] selftests/bpf: Expand ATTACH_REJECT tests

diff --git a/tools/testing/selftests/bpf/prog_tests/sock_addr.c b/tools/testing/selftests/bpf/prog_tests/sock_addr.c index 0477b4080b2e8..a0a40bdcfe45c 100644 --- a/tools/testing/selftests/bpf/prog_tests/sock_addr.c +++ b/tools/testing/selftests/bpf/prog_tests/sock_addr.c @@ -15,7 +15,11 @@ #include "recvmsg6_prog.skel.h" #include "sendmsg_unix_prog.skel.h" #include "recvmsg_unix_prog.skel.h" +#include "getsockname4_prog.skel.h" +#include "getsockname6_prog.skel.h" #include "getsockname_unix_prog.skel.h" +#include "getpeername4_prog.skel.h" +#include "getpeername6_prog.skel.h" #include "getpeername_unix_prog.skel.h" #include "network_helpers.h" @@ -466,7 +470,11 @@ BPF_SKEL_FUNCS(recvmsg4_prog, recvmsg4_prog); BPF_SKEL_FUNCS(recvmsg6_prog, recvmsg6_prog); BPF_SKEL_FUNCS(recvmsg_unix_prog, recvmsg_unix_prog); BPF_SKEL_FUNCS(getsockname_unix_prog, getsockname_unix_prog); +BPF_SKEL_FUNCS(getsockname4_prog, getsockname_v4_prog); +BPF_SKEL_FUNCS(getsockname6_prog, getsockname_v6_prog); BPF_SKEL_FUNCS(getpeername_unix_prog, getpeername_unix_prog); +BPF_SKEL_FUNCS(getpeername4_prog, getpeername_v4_prog); +BPF_SKEL_FUNCS(getpeername6_prog, getpeername_v6_prog); static struct sock_addr_test tests[] = { /* bind - system calls */ @@ -1688,7 +1696,71 @@ static struct sock_addr_test tests[] = { /* getsockname - system calls */ { SOCK_ADDR_TEST_GETSOCKNAME, - "getsockname_unix", + "getsockname4: getsockname (stream)", + getsockname_v4_prog_load, + getsockname_v4_prog_destroy, + BPF_CGROUP_INET4_GETSOCKNAME, + &user_ops, + AF_INET, + SOCK_STREAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname4: getsockname (dgram)", + getsockname_v4_prog_load, + getsockname_v4_prog_destroy, + BPF_CGROUP_INET4_GETSOCKNAME, + &user_ops, + AF_INET, + SOCK_DGRAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname6: getsockname (stream)", + getsockname_v6_prog_load, + getsockname_v6_prog_destroy, + BPF_CGROUP_INET6_GETSOCKNAME, + &user_ops, + AF_INET6, + SOCK_STREAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname6: getsockname (dgram)", + getsockname_v6_prog_load, + getsockname_v6_prog_destroy, + BPF_CGROUP_INET6_GETSOCKNAME, + &user_ops, + AF_INET6, + SOCK_DGRAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname_unix: getsockname", getsockname_unix_prog_load, getsockname_unix_prog_destroy, BPF_CGROUP_UNIX_GETSOCKNAME, @@ -1703,10 +1775,156 @@ static struct sock_addr_test tests[] = { SUCCESS, }, + /* getsockname - kernel calls */ + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname4: kernel_getsockname (stream)", + getsockname_v4_prog_load, + getsockname_v4_prog_destroy, + BPF_CGROUP_INET4_GETSOCKNAME, + &kern_ops_kernel_sendmsg, + AF_INET, + SOCK_STREAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname4: kernel_getsockname (dgram)", + getsockname_v4_prog_load, + getsockname_v4_prog_destroy, + BPF_CGROUP_INET4_GETSOCKNAME, + &kern_ops_kernel_sendmsg, + AF_INET, + SOCK_DGRAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname6: kernel_getsockname (stream)", + getsockname_v6_prog_load, + getsockname_v6_prog_destroy, + BPF_CGROUP_INET6_GETSOCKNAME, + &kern_ops_kernel_sendmsg, + AF_INET6, + SOCK_STREAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname6: kernel_getsockname (dgram)", + getsockname_v6_prog_load, + getsockname_v6_prog_destroy, + BPF_CGROUP_INET6_GETSOCKNAME, + &kern_ops_kernel_sendmsg, + AF_INET6, + SOCK_DGRAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETSOCKNAME, + "getsockname_unix: kernel_getsockname", + getsockname_unix_prog_load, + getsockname_unix_prog_destroy, + BPF_CGROUP_UNIX_GETSOCKNAME, + &kern_ops_kernel_sendmsg, + AF_UNIX, + SOCK_STREAM, + SERVUN_ADDRESS, + 0, + SERVUN_REWRITE_ADDRESS, + 0, + NULL, + SUCCESS, + }, + /* getpeername - system calls */ { SOCK_ADDR_TEST_GETPEERNAME, - "getpeername_unix", + "getpeername4: getpeername (stream)", + getpeername_v4_prog_load, + getpeername_v4_prog_destroy, + BPF_CGROUP_INET4_GETPEERNAME, + &user_ops, + AF_INET, + SOCK_STREAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername4: getpeername (dgram)", + getpeername_v4_prog_load, + getpeername_v4_prog_destroy, + BPF_CGROUP_INET4_GETPEERNAME, + &user_ops, + AF_INET, + SOCK_DGRAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername6: getpeername (stream)", + getpeername_v6_prog_load, + getpeername_v6_prog_destroy, + BPF_CGROUP_INET6_GETPEERNAME, + &user_ops, + AF_INET6, + SOCK_STREAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername6: getpeername (dgram)", + getpeername_v6_prog_load, + getpeername_v6_prog_destroy, + BPF_CGROUP_INET6_GETPEERNAME, + &user_ops, + AF_INET6, + SOCK_DGRAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername_unix: getpeername", getpeername_unix_prog_load, getpeername_unix_prog_destroy, BPF_CGROUP_UNIX_GETPEERNAME, @@ -1720,6 +1938,88 @@ static struct sock_addr_test tests[] = { NULL, SUCCESS, }, + + /* getpeername - kernel calls */ + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername4: kernel_getpeername (stream)", + getpeername_v4_prog_load, + getpeername_v4_prog_destroy, + BPF_CGROUP_INET4_GETPEERNAME, + &kern_ops_kernel_sendmsg, + AF_INET, + SOCK_STREAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername4: kernel_getpeername (dgram)", + getpeername_v4_prog_load, + getpeername_v4_prog_destroy, + BPF_CGROUP_INET4_GETPEERNAME, + &kern_ops_kernel_sendmsg, + AF_INET, + SOCK_DGRAM, + SERV4_REWRITE_IP, + SERV4_REWRITE_PORT, + SERV4_IP, + SERV4_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername6: kernel_getpeername (stream)", + getpeername_v6_prog_load, + getpeername_v6_prog_destroy, + BPF_CGROUP_INET6_GETPEERNAME, + &kern_ops_kernel_sendmsg, + AF_INET6, + SOCK_STREAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername6: kernel_getpeername (dgram)", + getpeername_v6_prog_load, + getpeername_v6_prog_destroy, + BPF_CGROUP_INET6_GETPEERNAME, + &kern_ops_kernel_sendmsg, + AF_INET6, + SOCK_DGRAM, + SERV6_REWRITE_IP, + SERV6_REWRITE_PORT, + SERV6_IP, + SERV6_PORT, + NULL, + SUCCESS, + }, + { + SOCK_ADDR_TEST_GETPEERNAME, + "getpeername_unix: kernel_getpeername", + getpeername_unix_prog_load, + getpeername_unix_prog_destroy, + BPF_CGROUP_UNIX_GETPEERNAME, + &kern_ops_kernel_sendmsg, + AF_UNIX, + SOCK_STREAM, + SERVUN_ADDRESS, + 0, + SERVUN_REWRITE_ADDRESS, + 0, + NULL, + SUCCESS, + }, }; typedef int (*info_fn)(int, struct sockaddr *, socklen_t *); diff --git a/tools/testing/selftests/bpf/progs/getpeername4_prog.c b/tools/testing/selftests/bpf/progs/getpeername4_prog.c new file mode 100644 index 0000000000000..4c97208cd25dd --- /dev/null +++ b/tools/testing/selftests/bpf/progs/getpeername4_prog.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Google LLC */ + +#include "vmlinux.h" + +#include <string.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> +#include <bpf/bpf_core_read.h> +#include "bpf_kfuncs.h" + +#define REWRITE_ADDRESS_IP4 0xc0a801fe // 192.168.1.254 +#define REWRITE_ADDRESS_PORT4 4040 + +SEC("cgroup/getpeername4") +int getpeername_v4_prog(struct bpf_sock_addr *ctx) +{ + ctx->user_ip4 = bpf_htonl(REWRITE_ADDRESS_IP4); + ctx->user_port = bpf_htons(REWRITE_ADDRESS_PORT4); + + return 1; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/getpeername6_prog.c b/tools/testing/selftests/bpf/progs/getpeername6_prog.c new file mode 100644 index 0000000000000..070e4d7f636c9 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/getpeername6_prog.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Google LLC */ + +#include "vmlinux.h" + +#include <string.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> +#include <bpf/bpf_core_read.h> +#include "bpf_kfuncs.h" + +#define REWRITE_ADDRESS_IP6_0 0xfaceb00c +#define REWRITE_ADDRESS_IP6_1 0x12345678 +#define REWRITE_ADDRESS_IP6_2 0x00000000 +#define REWRITE_ADDRESS_IP6_3 0x0000abcd + +#define REWRITE_ADDRESS_PORT6 6060 + +SEC("cgroup/getpeername6") +int getpeername_v6_prog(struct bpf_sock_addr *ctx) +{ + ctx->user_ip6[0] = bpf_htonl(REWRITE_ADDRESS_IP6_0); + ctx->user_ip6[1] = bpf_htonl(REWRITE_ADDRESS_IP6_1); + ctx->user_ip6[2] = bpf_htonl(REWRITE_ADDRESS_IP6_2); + ctx->user_ip6[3] = bpf_htonl(REWRITE_ADDRESS_IP6_3); + ctx->user_port = bpf_htons(REWRITE_ADDRESS_PORT6); + + return 1; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/getsockname4_prog.c b/tools/testing/selftests/bpf/progs/getsockname4_prog.c new file mode 100644 index 0000000000000..e298487c63474 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/getsockname4_prog.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Google LLC */ + +#include "vmlinux.h" + +#include <string.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> +#include <bpf/bpf_core_read.h> +#include "bpf_kfuncs.h" + +#define REWRITE_ADDRESS_IP4 0xc0a801fe // 192.168.1.254 +#define REWRITE_ADDRESS_PORT4 4040 + +SEC("cgroup/getsockname4") +int getsockname_v4_prog(struct bpf_sock_addr *ctx) +{ + ctx->user_ip4 = bpf_htonl(REWRITE_ADDRESS_IP4); + ctx->user_port = bpf_htons(REWRITE_ADDRESS_PORT4); + + return 1; +} + +char _license[] SEC("license") = "GPL"; diff --git a/tools/testing/selftests/bpf/progs/getsockname6_prog.c b/tools/testing/selftests/bpf/progs/getsockname6_prog.c new file mode 100644 index 0000000000000..811d10cd55258 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/getsockname6_prog.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2024 Google LLC */ + +#include "vmlinux.h" + +#include <string.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_endian.h> +#include <bpf/bpf_core_read.h> +#include "bpf_kfuncs.h" + +#define REWRITE_ADDRESS_IP6_0 0xfaceb00c +#define REWRITE_ADDRESS_IP6_1 0x12345678 +#define REWRITE_ADDRESS_IP6_2 0x00000000 +#define REWRITE_ADDRESS_IP6_3 0x0000abcd + +#define REWRITE_ADDRESS_PORT6 6060 + +SEC("cgroup/getsockname6") +int getsockname_v6_prog(struct bpf_sock_addr *ctx) +{ + ctx->user_ip6[0] = bpf_htonl(REWRITE_ADDRESS_IP6_0); + ctx->user_ip6[1] = bpf_htonl(REWRITE_ADDRESS_IP6_1); + ctx->user_ip6[2] = bpf_htonl(REWRITE_ADDRESS_IP6_2); + ctx->user_ip6[3] = bpf_htonl(REWRITE_ADDRESS_IP6_3); + ctx->user_port = bpf_htons(REWRITE_ADDRESS_PORT6); + + return 1; +} + +char _license[] SEC("license") = "GPL";

[v1,bpf-next,16/17] selftests/bpf: Expand getsockname and getpeername tests

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