selftests/bpf: Migrate ATTACH_REJECT test cases

Migrate test case from bpf/test_sock_addr.c ensuring that program
attachment fails when using an inappropriate attach type.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-12-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

2 files changed, 102 insertions, 146 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/sock_addr.c b/tools/testing/selftests/bpf/prog_tests/sock_addr.c
index 8c7c56f99754..ebd5e58e38c5 100644
--- a/tools/testing/selftests/bpf/prog_tests/sock_addr.c
+++ b/tools/testing/selftests/bpf/prog_tests/sock_addr.c
@@ -438,13 +438,19 @@ static void prog_name##_destroy(void *skel) \
 }
 
 BPF_SKEL_FUNCS(bind4_prog, bind_v4_prog);
+BPF_SKEL_FUNCS_RAW(bind4_prog, bind_v4_prog);
 BPF_SKEL_FUNCS(bind6_prog, bind_v6_prog);
+BPF_SKEL_FUNCS_RAW(bind6_prog, bind_v6_prog);
 BPF_SKEL_FUNCS(connect4_prog, connect_v4_prog);
+BPF_SKEL_FUNCS_RAW(connect4_prog, connect_v4_prog);
 BPF_SKEL_FUNCS(connect6_prog, connect_v6_prog);
+BPF_SKEL_FUNCS_RAW(connect6_prog, connect_v6_prog);
 BPF_SKEL_FUNCS(connect_unix_prog, connect_unix_prog);
 BPF_SKEL_FUNCS(sendmsg4_prog, sendmsg_v4_prog);
+BPF_SKEL_FUNCS_RAW(sendmsg4_prog, sendmsg_v4_prog);
 BPF_SKEL_FUNCS(sendmsg4_prog, sendmsg_v4_deny_prog);
 BPF_SKEL_FUNCS(sendmsg6_prog, sendmsg_v6_prog);
+BPF_SKEL_FUNCS_RAW(sendmsg6_prog, sendmsg_v6_prog);
 BPF_SKEL_FUNCS(sendmsg6_prog, sendmsg_v6_deny_prog);
 BPF_SKEL_FUNCS(sendmsg6_prog, sendmsg_v6_preserve_dst_prog);
 BPF_SKEL_FUNCS(sendmsg6_prog, sendmsg_v6_v4mapped_prog);
@@ -508,6 +514,22 @@ static struct sock_addr_test tests[] = {
 	},
 	{
 		SOCK_ADDR_TEST_BIND,
+		"bind4: attach prog with wrong attach type",
+		bind_v4_prog_load_raw,
+		bind_v4_prog_destroy_raw,
+		BPF_CGROUP_INET6_BIND,
+		&user_ops,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		SOCK_ADDR_TEST_BIND,
 		"bind6: bind (stream)",
 		bind_v6_prog_load,
 		bind_v6_prog_destroy,
@@ -554,6 +576,22 @@ static struct sock_addr_test tests[] = {
 		NULL,
 		LOAD_REJECT,
 	},
+	{
+		SOCK_ADDR_TEST_BIND,
+		"bind6: attach prog with wrong attach type",
+		bind_v6_prog_load_raw,
+		bind_v6_prog_destroy_raw,
+		BPF_CGROUP_INET4_BIND,
+		&user_ops,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
 
 	/* bind - kernel calls */
 	{
@@ -672,6 +710,22 @@ static struct sock_addr_test tests[] = {
 	},
 	{
 		SOCK_ADDR_TEST_CONNECT,
+		"connect4: attach prog with wrong attach type",
+		connect_v4_prog_load_raw,
+		connect_v4_prog_destroy_raw,
+		BPF_CGROUP_INET6_CONNECT,
+		&user_ops,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		SOCK_ADDR_TEST_CONNECT,
 		"connect6: connect (stream)",
 		connect_v6_prog_load,
 		connect_v6_prog_destroy,
@@ -720,6 +774,22 @@ static struct sock_addr_test tests[] = {
 	},
 	{
 		SOCK_ADDR_TEST_CONNECT,
+		"connect6: attach prog with wrong attach type",
+		connect_v6_prog_load_raw,
+		connect_v6_prog_destroy_raw,
+		BPF_CGROUP_INET4_CONNECT,
+		&user_ops,
+		AF_INET,
+		SOCK_STREAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		SOCK_ADDR_TEST_CONNECT,
 		"connect_unix: connect (stream)",
 		connect_unix_prog_load,
 		connect_unix_prog_destroy,
@@ -868,6 +938,22 @@ static struct sock_addr_test tests[] = {
 	},
 	{
 		SOCK_ADDR_TEST_SENDMSG,
+		"sendmsg4: attach prog with wrong attach type",
+		sendmsg_v4_prog_load_raw,
+		sendmsg_v4_prog_destroy_raw,
+		BPF_CGROUP_UDP6_SENDMSG,
+		&user_ops,
+		AF_INET,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		SOCK_ADDR_TEST_SENDMSG,
 		"sendmsg6: sendmsg (dgram)",
 		sendmsg_v6_prog_load,
 		sendmsg_v6_prog_destroy,
@@ -964,6 +1050,22 @@ static struct sock_addr_test tests[] = {
 	},
 	{
 		SOCK_ADDR_TEST_SENDMSG,
+		"sendmsg6: attach prog with wrong attach type",
+		sendmsg_v6_prog_load_raw,
+		sendmsg_v6_prog_destroy_raw,
+		BPF_CGROUP_UDP4_SENDMSG,
+		&user_ops,
+		AF_INET6,
+		SOCK_DGRAM,
+		NULL,
+		0,
+		NULL,
+		0,
+		NULL,
+		ATTACH_REJECT,
+	},
+	{
+		SOCK_ADDR_TEST_SENDMSG,
 		"sendmsg_unix: sendmsg (dgram)",
 		sendmsg_unix_prog_load,
 		sendmsg_unix_prog_destroy,
diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c
index 4ecbc72477f1..311eda4f4864 100644
--- a/tools/testing/selftests/bpf/test_sock_addr.c
+++ b/tools/testing/selftests/bpf/test_sock_addr.c
@@ -88,90 +88,12 @@ struct sock_addr_test {
 	} expected_result;
 };
 
-static int bind4_prog_load(const struct sock_addr_test *test);
-static int bind6_prog_load(const struct sock_addr_test *test);
-static int connect4_prog_load(const struct sock_addr_test *test);
-static int connect6_prog_load(const struct sock_addr_test *test);
 static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test);
 static int sendmsg6_rw_asm_prog_load(const struct sock_addr_test *test);
 
 static struct sock_addr_test tests[] = {
-	/* bind */
-	{
-		"bind4: attach prog with wrong attach type",
-		bind4_prog_load,
-		BPF_CGROUP_INET4_BIND,
-		BPF_CGROUP_INET6_BIND,
-		AF_INET,
-		SOCK_STREAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-	{
-		"bind6: attach prog with wrong attach type",
-		bind6_prog_load,
-		BPF_CGROUP_INET6_BIND,
-		BPF_CGROUP_INET4_BIND,
-		AF_INET,
-		SOCK_STREAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-
-	/* connect */
-	{
-		"connect4: attach prog with wrong attach type",
-		connect4_prog_load,
-		BPF_CGROUP_INET4_CONNECT,
-		BPF_CGROUP_INET6_CONNECT,
-		AF_INET,
-		SOCK_STREAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-	{
-		"connect6: attach prog with wrong attach type",
-		connect6_prog_load,
-		BPF_CGROUP_INET6_CONNECT,
-		BPF_CGROUP_INET4_CONNECT,
-		AF_INET,
-		SOCK_STREAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-
 	/* sendmsg */
 	{
-		"sendmsg4: attach prog with wrong attach type",
-		sendmsg4_rw_asm_prog_load,
-		BPF_CGROUP_UDP4_SENDMSG,
-		BPF_CGROUP_UDP6_SENDMSG,
-		AF_INET,
-		SOCK_DGRAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-	{
 		"sendmsg4: rewrite IP & port (asm)",
 		sendmsg4_rw_asm_prog_load,
 		BPF_CGROUP_UDP4_SENDMSG,
@@ -186,20 +108,6 @@ static struct sock_addr_test tests[] = {
 		SUCCESS,
 	},
 	{
-		"sendmsg6: attach prog with wrong attach type",
-		sendmsg6_rw_asm_prog_load,
-		BPF_CGROUP_UDP6_SENDMSG,
-		BPF_CGROUP_UDP4_SENDMSG,
-		AF_INET6,
-		SOCK_DGRAM,
-		NULL,
-		0,
-		NULL,
-		0,
-		NULL,
-		ATTACH_REJECT,
-	},
-	{
 		"sendmsg6: rewrite IP & port (asm)",
 		sendmsg6_rw_asm_prog_load,
 		BPF_CGROUP_UDP6_SENDMSG,
@@ -234,60 +142,6 @@ static int load_insns(const struct sock_addr_test *test,
 	return ret;
 }
 
-static int load_path(const struct sock_addr_test *test, const char *path)
-{
-	struct bpf_object *obj;
-	struct bpf_program *prog;
-	int err;
-
-	obj = bpf_object__open_file(path, NULL);
-	err = libbpf_get_error(obj);
-	if (err) {
-		log_err(">>> Opening BPF object (%s) error.\n", path);
-		return -1;
-	}
-
-	prog = bpf_object__next_program(obj, NULL);
-	if (!prog)
-		goto err_out;
-
-	bpf_program__set_type(prog, BPF_PROG_TYPE_CGROUP_SOCK_ADDR);
-	bpf_program__set_expected_attach_type(prog, test->expected_attach_type);
-	bpf_program__set_flags(prog, testing_prog_flags());
-
-	err = bpf_object__load(obj);
-	if (err) {
-		if (test->expected_result != LOAD_REJECT)
-			log_err(">>> Loading program (%s) error.\n", path);
-		goto err_out;
-	}
-
-	return bpf_program__fd(prog);
-err_out:
-	bpf_object__close(obj);
-	return -1;
-}
-
-static int bind4_prog_load(const struct sock_addr_test *test)
-{
-	return load_path(test, BIND4_PROG_PATH);
-}
-
-static int bind6_prog_load(const struct sock_addr_test *test)
-{
-	return load_path(test, BIND6_PROG_PATH);
-}
-
-static int connect4_prog_load(const struct sock_addr_test *test)
-{
-	return load_path(test, CONNECT4_PROG_PATH);
-}
-
-static int connect6_prog_load(const struct sock_addr_test *test)
-{
-	return load_path(test, CONNECT6_PROG_PATH);
-}
-
 static int sendmsg4_rw_asm_prog_load(const struct sock_addr_test *test)
 {
 	struct sockaddr_in dst4_rw_addr;