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-rw-r--r--test/e2e/integration_test.go46
-rw-r--r--test/syscalls/linux/socket_netlink_route.cc116
2 files changed, 157 insertions, 5 deletions
diff --git a/test/e2e/integration_test.go b/test/e2e/integration_test.go
index 9e22c9a7d..d41139944 100644
--- a/test/e2e/integration_test.go
+++ b/test/e2e/integration_test.go
@@ -742,3 +742,49 @@ func TestUnmount(t *testing.T) {
t.Fatalf("docker run failed: %v", err)
}
}
+
+func TestDeleteInterface(t *testing.T) {
+ if testutil.IsRunningWithHostNet() {
+ t.Skip("not able to remove interfaces on hostnet")
+ }
+
+ ctx := context.Background()
+ d := dockerutil.MakeContainer(ctx, t)
+ defer d.CleanUp(ctx)
+
+ opts := dockerutil.RunOpts{
+ Image: "basic/alpine",
+ CapAdd: []string{"NET_ADMIN"},
+ }
+ if err := d.Spawn(ctx, opts, "sleep", "1000"); err != nil {
+ t.Fatalf("docker run failed: %v", err)
+ }
+
+ // We should be able to remove eth0.
+ output, err := d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "ip link del dev eth0")
+ if err != nil {
+ t.Fatalf("failed to remove eth0: %s, output: %s", err, output)
+ }
+ // Verify that eth0 is no longer there.
+ output, err = d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "ip link show")
+ if err != nil {
+ t.Fatalf("docker exec ip link show failed: %s, output: %s", err, output)
+ }
+ if strings.Contains(output, "eth0") {
+ t.Fatalf("failed to remove eth0")
+ }
+
+ // Loopback device can't be removed.
+ output, err = d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "ip link del dev lo")
+ if err == nil {
+ t.Fatalf("should not remove the loopback device: %v", output)
+ }
+ // Verify that lo is still there.
+ output, err = d.Exec(ctx, dockerutil.ExecOpts{}, "/bin/sh", "-c", "ip link show")
+ if err != nil {
+ t.Fatalf("docker exec ip link show failed: %s, output: %s", err, output)
+ }
+ if !strings.Contains(output, "lo") {
+ t.Fatalf("loopback interface is removed")
+ }
+}
diff --git a/test/syscalls/linux/socket_netlink_route.cc b/test/syscalls/linux/socket_netlink_route.cc
index a5c788346..d5e1ce0cc 100644
--- a/test/syscalls/linux/socket_netlink_route.cc
+++ b/test/syscalls/linux/socket_netlink_route.cc
@@ -44,6 +44,7 @@ namespace {
constexpr uint32_t kSeq = 12345;
+using ::testing::_;
using ::testing::AnyOf;
using ::testing::Eq;
@@ -244,7 +245,7 @@ TEST(NetlinkRouteTest, GetLinkByIndexNotFound) {
req.ifm.ifi_index = 1234590;
EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
- PosixErrorIs(ENODEV, ::testing::_));
+ PosixErrorIs(ENODEV, _));
}
TEST(NetlinkRouteTest, GetLinkByNameNotFound) {
@@ -273,7 +274,112 @@ TEST(NetlinkRouteTest, GetLinkByNameNotFound) {
NLMSG_LENGTH(sizeof(req.ifm)) + NLMSG_ALIGN(req.rtattr.rta_len);
EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
- PosixErrorIs(ENODEV, ::testing::_));
+ PosixErrorIs(ENODEV, _));
+}
+
+TEST(NetlinkRouteTest, RemoveLoopbackByName) {
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN)));
+ Link loopback_link = ASSERT_NO_ERRNO_AND_VALUE(LoopbackLink());
+
+ FileDescriptor fd =
+ ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE));
+
+ struct request {
+ struct nlmsghdr hdr;
+ struct ifinfomsg ifm;
+ struct rtattr rtattr;
+ char ifname[IFNAMSIZ];
+ char pad[NLMSG_ALIGNTO + RTA_ALIGNTO];
+ };
+
+ struct request req = {};
+ req.hdr.nlmsg_type = RTM_DELLINK;
+ req.hdr.nlmsg_flags = NLM_F_REQUEST;
+ req.hdr.nlmsg_seq = kSeq;
+ req.ifm.ifi_family = AF_UNSPEC;
+ req.rtattr.rta_type = IFLA_IFNAME;
+ req.rtattr.rta_len = RTA_LENGTH(loopback_link.name.size() + 1);
+ strncpy(req.ifname, loopback_link.name.c_str(), sizeof(req.ifname));
+ req.hdr.nlmsg_len =
+ NLMSG_LENGTH(sizeof(req.ifm)) + NLMSG_ALIGN(req.rtattr.rta_len);
+
+ EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
+ PosixErrorIs(ENOTSUP, _));
+}
+
+TEST(NetlinkRouteTest, RemoveLoopbackByIndex) {
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN)));
+ Link loopback_link = ASSERT_NO_ERRNO_AND_VALUE(LoopbackLink());
+ FileDescriptor fd =
+ ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE));
+
+ struct request {
+ struct nlmsghdr hdr;
+ struct ifinfomsg ifm;
+ };
+
+ struct request req = {};
+ req.hdr.nlmsg_len = sizeof(req);
+ req.hdr.nlmsg_type = RTM_DELLINK;
+ req.hdr.nlmsg_flags = NLM_F_REQUEST;
+ req.hdr.nlmsg_seq = kSeq;
+ req.ifm.ifi_family = AF_UNSPEC;
+ req.ifm.ifi_index = loopback_link.index;
+
+ EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
+ PosixErrorIs(ENOTSUP, _));
+}
+
+TEST(NetlinkRouteTest, RemoveLinkByIndexNotFound) {
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN)));
+ FileDescriptor fd =
+ ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE));
+
+ struct request {
+ struct nlmsghdr hdr;
+ struct ifinfomsg ifm;
+ };
+
+ struct request req = {};
+ req.hdr.nlmsg_len = sizeof(req);
+ req.hdr.nlmsg_type = RTM_GETLINK;
+ req.hdr.nlmsg_flags = NLM_F_REQUEST;
+ req.hdr.nlmsg_seq = kSeq;
+ req.ifm.ifi_family = AF_UNSPEC;
+ req.ifm.ifi_index = 1234590;
+
+ EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
+ PosixErrorIs(ENODEV, _));
+}
+
+TEST(NetlinkRouteTest, RemoveLinkByNameNotFound) {
+ const std::string name = "nodevice?!";
+
+ SKIP_IF(!ASSERT_NO_ERRNO_AND_VALUE(HaveCapability(CAP_NET_ADMIN)));
+ FileDescriptor fd =
+ ASSERT_NO_ERRNO_AND_VALUE(NetlinkBoundSocket(NETLINK_ROUTE));
+
+ struct request {
+ struct nlmsghdr hdr;
+ struct ifinfomsg ifm;
+ struct rtattr rtattr;
+ char ifname[IFNAMSIZ];
+ char pad[NLMSG_ALIGNTO + RTA_ALIGNTO];
+ };
+
+ struct request req = {};
+ req.hdr.nlmsg_type = RTM_DELLINK;
+ req.hdr.nlmsg_flags = NLM_F_REQUEST;
+ req.hdr.nlmsg_seq = kSeq;
+ req.ifm.ifi_family = AF_UNSPEC;
+ req.rtattr.rta_type = IFLA_IFNAME;
+ req.rtattr.rta_len = RTA_LENGTH(name.size() + 1);
+ strncpy(req.ifname, name.c_str(), sizeof(req.ifname));
+ req.hdr.nlmsg_len =
+ NLMSG_LENGTH(sizeof(req.ifm)) + NLMSG_ALIGN(req.rtattr.rta_len);
+
+ EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
+ PosixErrorIs(ENODEV, _));
}
TEST(NetlinkRouteTest, MsgHdrMsgUnsuppType) {
@@ -295,7 +401,7 @@ TEST(NetlinkRouteTest, MsgHdrMsgUnsuppType) {
req.ifm.ifi_family = AF_UNSPEC;
EXPECT_THAT(NetlinkRequestAckOrError(fd, kSeq, &req, sizeof(req)),
- PosixErrorIs(EOPNOTSUPP, ::testing::_));
+ PosixErrorIs(EOPNOTSUPP, _));
}
TEST(NetlinkRouteTest, MsgHdrMsgTrunc) {
@@ -536,7 +642,7 @@ TEST(NetlinkRouteTest, AddAndRemoveAddr) {
// Second delete should fail, as address no longer exists.
EXPECT_THAT(LinkDelLocalAddr(loopback_link.index, AF_INET,
/*prefixlen=*/24, &addr, sizeof(addr)),
- PosixErrorIs(EADDRNOTAVAIL, ::testing::_));
+ PosixErrorIs(EADDRNOTAVAIL, _));
});
// Replace an existing address should succeed.
@@ -546,7 +652,7 @@ TEST(NetlinkRouteTest, AddAndRemoveAddr) {
// Create exclusive should fail, as we created the address above.
EXPECT_THAT(LinkAddExclusiveLocalAddr(loopback_link.index, AF_INET,
/*prefixlen=*/24, &addr, sizeof(addr)),
- PosixErrorIs(EEXIST, ::testing::_));
+ PosixErrorIs(EEXIST, _));
}
// GetRouteDump tests a RTM_GETROUTE + NLM_F_DUMP request.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 15:19:47 +0000