* tests/nlattr_nlmsgerr.c: New file.
* tests/gen_tests.in (nlattr_nlmsgerr): New entry.
* tests/pure_executables.list: Add nlattr_nlmsgerr.
* tests/.gitignore: Likewise.
---
tests/.gitignore | 1 +
tests/gen_tests.in | 1 +
tests/nlattr_nlmsgerr.c | 86 +++++++++++++++++++++++++++++++++++++++++++++
tests/pure_executables.list | 1 +
4 files changed, 89 insertions(+)
create mode 100644 tests/nlattr_nlmsgerr.c
diff --git a/tests/.gitignore b/tests/.gitignore
index 9bed8e8..a75de08 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -216,6 +216,7 @@ nlattr_inet_diag_msg
nlattr_inet_diag_req_compat
nlattr_inet_diag_req_v2
nlattr_netlink_diag_msg
+nlattr_nlmsgerr
nlattr_packet_diag_msg
nlattr_smc_diag_msg
nlattr_unix_diag_msg
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index 7ed08c5..4cea36b 100644
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -199,6 +199,7 @@ 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_netlink_diag_msg +netlink_sock_diag.test
+nlattr_nlmsgerr +netlink_sock_diag.test
nlattr_packet_diag_msg +netlink_sock_diag-v.sh
nlattr_smc_diag_msg +netlink_sock_diag.test
nlattr_unix_diag_msg +netlink_sock_diag.test
diff --git a/tests/nlattr_nlmsgerr.c b/tests/nlattr_nlmsgerr.c
new file mode 100644
index 0000000..837283c
--- /dev/null
+++ b/tests/nlattr_nlmsgerr.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2017 JingPiao Chen <chenjingp...@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"
+#include <stdio.h>
+#include <stdint.h>
+#include "test_nlattr.h"
+
+#define NLMSGERR_ATTR_COOKIE 3
+
+static void
+init_nlmsgerr(struct nlmsghdr *const nlh, const unsigned int msg_len)
+{
+ SET_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = NLMSG_ERROR,
+ .nlmsg_flags = NLM_F_REQUEST | NLM_F_CAPPED
+ );
+
+ struct nlmsgerr *const err = NLMSG_DATA(nlh);
+ SET_STRUCT(struct nlmsgerr, err,
+ .error = -13,
+ .msg = {
+ .nlmsg_len = NLMSG_HDRLEN + 4,
+ .nlmsg_type = NLMSG_NOOP,
+ .nlmsg_flags = NLM_F_REQUEST,
+ }
+ );
+}
+
+static void
+print_nlmsgerr(const unsigned int msg_len)
+{
+ printf("{len=%u, type=NLMSG_ERROR"
+ ", flags=NLM_F_REQUEST|NLM_F_CAPPED"
+ ", seq=0, pid=0}, {error=-EACCES"
+ ", msg={len=%u, type=NLMSG_NOOP"
+ ", flags=NLM_F_REQUEST, seq=0, pid=0}",
+ msg_len, NLMSG_HDRLEN + 4);
+}
+
+int
+main(void)
+{
+ skip_if_unavailable("/proc/self/fd/");
+
+ const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
+ const unsigned int hdrlen = sizeof(struct nlmsgerr);
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
+
+ static const uint8_t cookie[] = { 0xab, 0xfe };
+ TEST_NLATTR(fd, nlh0, hdrlen,
+ init_nlmsgerr, print_nlmsgerr,
+ NLMSGERR_ATTR_COOKIE,
+ sizeof(cookie), cookie, sizeof(cookie),
+ printf("[%u, %u]", cookie[0], cookie[1]);
+ printf("}"));
+
+ printf("+++ exited with 0 +++\n");
+ return 0;
+}
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 49200a5..a0e4dcf 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -181,6 +181,7 @@ nlattr_inet_diag_msg
nlattr_inet_diag_req_compat
nlattr_inet_diag_req_v2
nlattr_netlink_diag_msg
+nlattr_nlmsgerr
nlattr_packet_diag_msg
nlattr_smc_diag_msg
nlattr_unix_diag_msg
--
2.7.4
------------------------------------------------------------------------------
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