tests: check decoding of MDBA_ROUTER_PORT netlink attribute

* tests/nlattr_mdba_router_port.c: New file.
* tests/gen_tests.in (nlattr_mdba_router_port): New entry.
* tests/pure_executables.list: Add nlattr_mdba_router_port.
* tests/.gitignore: Likewise.

diff --git a/tests/.gitignore b/tests/.gitignore
index 7eb818a44bce9dd8653810256f862e82f383bb8b..e8e6d89943b4475f0e92179d58b6fb11c02caced 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -232,6 +232,7 @@ nlattr_inet_diag_msg
 nlattr_inet_diag_req_compat
 nlattr_inet_diag_req_v2
 nlattr_mdba_mdb_entry
+nlattr_mdba_router_port
 nlattr_ndmsg
 nlattr_ndtmsg
 nlattr_netconfmsg

diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index c494ceae760d3ecafc5fb0ddd2225752b6d72461..50e62a02c366a9452f65a748ec0aca3c259279bd 100644 (file)
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -211,6 +211,7 @@ nlattr_inet_diag_msg                +netlink_sock_diag.test
 nlattr_inet_diag_req_compat    +netlink_sock_diag.test
 nlattr_inet_diag_req_v2                +netlink_sock_diag.test
 nlattr_mdba_mdb_entry          +netlink_sock_diag.test
+nlattr_mdba_router_port                +netlink_sock_diag.test
 nlattr_ndmsg                   +netlink_sock_diag.test
 nlattr_ndtmsg                  +netlink_sock_diag.test
 nlattr_netconfmsg              +netlink_sock_diag.test

diff --git a/tests/nlattr_mdba_router_port.c b/tests/nlattr_mdba_router_port.c
new file mode 100644 (file)
index 0000000..af908cd
--- /dev/null
+++ b/tests/nlattr_mdba_router_port.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
+ * Copyright (c) 2017 The strace developers.
+ * All rights reserved.
+ *
+ * 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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "tests.h"
+
+#ifdef HAVE_STRUCT_BR_PORT_MSG
+
+# include <stdio.h>
+# include "test_nlattr.h"
+# include <linux/if_bridge.h>
+# include <linux/rtnetlink.h>
+
+# ifndef MDBA_ROUTER
+#  define MDBA_ROUTER 2
+# endif
+# ifndef MDBA_ROUTER_PORT
+#  define MDBA_ROUTER_PORT 1
+# endif
+# ifndef MDBA_ROUTER_PATTR_TYPE
+#  define MDBA_ROUTER_PATTR_TYPE 2
+# endif
+# ifndef MDB_RTR_TYPE_DISABLED
+#  define MDB_RTR_TYPE_DISABLED 0
+# endif
+
+const unsigned int hdrlen = sizeof(struct br_port_msg);
+
+static void
+init_br_port_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
+{
+       SET_STRUCT(struct nlmsghdr, nlh,
+               .nlmsg_len = msg_len,
+               .nlmsg_type = RTM_GETMDB,
+               .nlmsg_flags = NLM_F_DUMP
+       );
+
+       struct br_port_msg *const msg = NLMSG_DATA(nlh);
+       SET_STRUCT(struct br_port_msg, msg,
+               .family = AF_UNIX,
+               .ifindex = ifindex_lo()
+       );
+
+       struct nlattr *nla = NLMSG_ATTR(nlh, sizeof(*msg));
+       SET_STRUCT(struct nlattr, nla,
+               .nla_len = msg_len - NLMSG_SPACE(hdrlen),
+               .nla_type = MDBA_ROUTER
+       );
+}
+
+static void
+print_br_port_msg(const unsigned int msg_len)
+{
+       printf("{len=%u, type=RTM_GETMDB, flags=NLM_F_DUMP"
+              ", seq=0, pid=0}, {family=AF_UNIX"
+              ", ifindex=" IFINDEX_LO_STR "}"
+              ", {{nla_len=%u, nla_type=MDBA_ROUTER}",
+              msg_len, msg_len - NLMSG_SPACE(hdrlen));
+}
+
+int
+main(void)
+{
+       skip_if_unavailable("/proc/self/fd/");
+
+       const int fd = create_nl_socket(NETLINK_ROUTE);
+
+       void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
+
+       static char pattern[4096];
+       fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
+
+       const uint32_t ifindex = ifindex_lo();
+       TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
+                                 init_br_port_msg, print_br_port_msg,
+                                 MDBA_ROUTER_PORT, pattern, ifindex,
+                                 printf(IFINDEX_LO_STR));
+
+       const uint8_t type = MDB_RTR_TYPE_DISABLED;
+       static const struct nlattr nla = {
+               .nla_len = NLA_HDRLEN + sizeof(type),
+               .nla_type = MDBA_ROUTER_PATTR_TYPE
+       };
+       char buf[NLMSG_ALIGN(ifindex) + NLA_HDRLEN + sizeof(type)];
+       memcpy(buf, &ifindex, sizeof(ifindex));
+       memcpy(buf + NLMSG_ALIGN(ifindex), &nla, sizeof(nla));
+       memcpy(buf + NLMSG_ALIGN(ifindex) + NLA_HDRLEN, &type, sizeof(type));
+       TEST_NLATTR(fd, nlh0 - NLA_HDRLEN, hdrlen + NLA_HDRLEN,
+                   init_br_port_msg, print_br_port_msg,
+                   MDBA_ROUTER_PORT, sizeof(buf), buf, sizeof(buf),
+                   printf(IFINDEX_LO_STR
+                          ", {{nla_len=%u, nla_type=MDBA_ROUTER_PATTR_TYPE}"
+                          ", MDB_RTR_TYPE_DISABLED}}",
+                          nla.nla_len));
+
+       puts("+++ exited with 0 +++");
+       return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("HAVE_STRUCT_BR_PORT_MSG")
+
+#endif

diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 1ba1e19b38b4297a5f8dc026eae4b2a9b39f8a63..8210c91049d167d09370198f5f308733bea7ee53 100755 (executable)
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -194,6 +194,7 @@ nlattr_inet_diag_msg
 nlattr_inet_diag_req_compat
 nlattr_inet_diag_req_v2
 nlattr_mdba_mdb_entry
+nlattr_mdba_router_port
 nlattr_ndmsg
 nlattr_ndtmsg
 nlattr_netconfmsg