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authorGleb Smirnoff <glebius@FreeBSD.org>2022-08-08 21:10:18 +0000
committerGleb Smirnoff <glebius@FreeBSD.org>2022-08-08 21:10:18 +0000
commite87ff1ea225246e1d983c4c2c1ecfd0119fd138c (patch)
tree99124345c50f67b5473c694edb145568d354babf
parent441202c00bdf6edbf6b6bc1b1923bebd8e2d8e45 (diff)
downloadsrc-e87ff1ea225246e1d983c4c2c1ecfd0119fd138c.tar.gz
src-e87ff1ea225246e1d983c4c2c1ecfd0119fd138c.zip
tests/socket: add accept_filter(9) test
Test basic functionality of accf_data(9) and accf_http(9)
-rw-r--r--tests/sys/kern/Makefile1
-rw-r--r--tests/sys/kern/socket_accf.c160
2 files changed, 161 insertions, 0 deletions
diff --git a/tests/sys/kern/Makefile b/tests/sys/kern/Makefile
index 3891d78f7629..00baa5c99fae 100644
--- a/tests/sys/kern/Makefile
+++ b/tests/sys/kern/Makefile
@@ -29,6 +29,7 @@ ATF_TESTS_C+= reaper
ATF_TESTS_C+= sched_affinity
ATF_TESTS_C+= sigaltstack
ATF_TESTS_C+= sigwait
+ATF_TESTS_C+= socket_accf
ATF_TESTS_C+= socket_msg_trunc
TEST_METADATA.sigwait+= is_exclusive="true"
.if ${MACHINE_ARCH} != "i386" && ${MACHINE_ARCH:Mpowerpc*} == ""
diff --git a/tests/sys/kern/socket_accf.c b/tests/sys/kern/socket_accf.c
new file mode 100644
index 000000000000..384062810c8d
--- /dev/null
+++ b/tests/sys/kern/socket_accf.c
@@ -0,0 +1,160 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Gleb Smirnoff <glebius@FreeBSD.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#include <atf-c.h>
+
+static int
+listensock(struct sockaddr_in *sin)
+{
+ int l;
+
+ ATF_REQUIRE((l = socket(PF_INET, SOCK_STREAM, 0)) > 0);
+ ATF_REQUIRE(fcntl(l, F_SETFL, O_NONBLOCK) != -1);
+ ATF_REQUIRE(setsockopt(l, SOL_SOCKET, SO_REUSEADDR, &(socklen_t){1},
+ sizeof(int)) == 0);
+ *sin = (struct sockaddr_in){
+ .sin_len = sizeof(sin),
+ .sin_family = AF_INET,
+ .sin_addr.s_addr = htonl(INADDR_LOOPBACK),
+ };
+ ATF_REQUIRE(bind(l, (struct sockaddr *)sin, sizeof(*sin)) == 0);
+ ATF_REQUIRE(getsockname(l, (struct sockaddr *)sin,
+ &(socklen_t){ sizeof(*sin) }) == 0);
+ ATF_REQUIRE(listen(l, -1) == 0);
+
+ return (l);
+}
+
+static int
+clientsock(struct sockaddr_in *sin)
+{
+ int s;
+
+ ATF_REQUIRE((s = socket(PF_INET, SOCK_STREAM, 0)) > 0);
+ ATF_REQUIRE(connect(s, (struct sockaddr *)sin, sizeof(*sin)) == 0);
+
+ return (s);
+}
+
+static void
+accfon(int l, struct accept_filter_arg *af)
+{
+
+ if (setsockopt(l, SOL_SOCKET, SO_ACCEPTFILTER, af, sizeof(*af)) != 0) {
+ if (errno == ENOENT)
+ atf_tc_skip("Accept filter %s not loaded in kernel",
+ af->af_name);
+ else
+ atf_tc_fail("setsockopt(SO_ACCEPTFILTER): %s",
+ strerror(errno));
+ }
+}
+
+/*
+ * XXX: return from send(2) on a localhost connection doesn't guarantee that
+ * netisr has fully processed and delivered the data to the remote local
+ * socket. Sleep a fraction of second to "guarantee" that it did.
+ */
+static ssize_t
+usend(int s, const void *msg, size_t len)
+{
+ ssize_t rv;
+
+ rv = send(s, msg, len, 0);
+ usleep(100000);
+ return (rv);
+}
+
+ATF_TC_WITHOUT_HEAD(data);
+ATF_TC_BODY(data, tc)
+{
+ struct accept_filter_arg afa = {
+ .af_name = "dataready"
+ };
+ struct sockaddr_in sin;
+ int l, s, a;
+
+ l = listensock(&sin);
+ accfon(l, &afa);
+ s = clientsock(&sin);
+ ATF_REQUIRE(accept(l, NULL, 0) == -1);
+ ATF_REQUIRE(errno == EAGAIN);
+ ATF_REQUIRE(usend(s, "foo", sizeof("foo")) == sizeof("foo"));
+ ATF_REQUIRE((a = accept(l, NULL, 0)) > 0);
+}
+
+ATF_TC_WITHOUT_HEAD(http);
+ATF_TC_BODY(http, tc)
+{
+ struct accept_filter_arg afa = {
+ .af_name = "httpready"
+ };
+ struct sockaddr_in sin;
+ int l, s, a;
+
+ l = listensock(&sin);
+ accfon(l, &afa);
+ s = clientsock(&sin);
+
+ /* 1) No data. */
+ ATF_REQUIRE(accept(l, NULL, 0) == -1);
+ ATF_REQUIRE(errno == EAGAIN);
+
+ /* 2) Data, that doesn't look like HTTP. */
+ ATF_REQUIRE(usend(s, "foo", sizeof("foo")) == sizeof("foo"));
+ ATF_REQUIRE((a = accept(l, NULL, 0)) > 0);
+
+ close(s);
+ close(a);
+
+#define CHUNK1 "GET / "
+#define CHUNK2 "HTTP/1.0\r\n\n"
+#define LEN(c) (sizeof(c) - 1)
+
+ /* 3) Partial HTTP. */
+ s = clientsock(&sin);
+ ATF_REQUIRE(usend(s, CHUNK1, LEN(CHUNK1)) == LEN(CHUNK1));
+ ATF_REQUIRE(accept(l, NULL, 0) == -1);
+ ATF_REQUIRE(errno == EAGAIN);
+
+ /* 4) Complete HTTP. */
+ ATF_REQUIRE(usend(s, CHUNK2, LEN(CHUNK2)) == LEN(CHUNK2));
+ ATF_REQUIRE((a = accept(l, NULL, 0)) > 0);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, data);
+ ATF_TP_ADD_TC(tp, http);
+
+ return (atf_no_error());
+}