From 7506c69c3ada7026e60dd5cfdd983cbc54c2943e Mon Sep 17 00:00:00 2001 From: JingPiao Chen Date: Tue, 15 Aug 2017 12:53:14 +0800 Subject: [PATCH] tests: check decoding of NETLINK_ROUTE tcmsg attributes * tests/nlattr_tcmsg.c: New file. * tests/gen_tests.in (nlattr_tcmsg): New entry. * tests/pure_executables.list: Add nlattr_tcmsg. * tests/.gitignore: Likewise. --- tests/.gitignore | 1 + tests/gen_tests.in | 1 + tests/nlattr_tcmsg.c | 85 +++++++++++++++++++++++++++++++++++++ tests/pure_executables.list | 1 + 4 files changed, 88 insertions(+) create mode 100644 tests/nlattr_tcmsg.c diff --git a/tests/.gitignore b/tests/.gitignore index b4605335..c5e14f89 100644 --- a/tests/.gitignore +++ b/tests/.gitignore @@ -231,6 +231,7 @@ nlattr_nlmsgerr nlattr_packet_diag_msg nlattr_rtmsg nlattr_smc_diag_msg +nlattr_tcmsg nlattr_unix_diag_msg nsyscalls old_mmap diff --git a/tests/gen_tests.in b/tests/gen_tests.in index 850f0e02..d6ba51a7 100644 --- a/tests/gen_tests.in +++ b/tests/gen_tests.in @@ -211,6 +211,7 @@ nlattr_nlmsgerr +netlink_sock_diag.test nlattr_packet_diag_msg +netlink_sock_diag-v.sh nlattr_rtmsg +netlink_sock_diag.test nlattr_smc_diag_msg +netlink_sock_diag.test +nlattr_tcmsg +netlink_sock_diag.test nlattr_unix_diag_msg +netlink_sock_diag.test old_mmap -a11 -e trace=mmap oldfstat -a18 -v -P stat.sample diff --git a/tests/nlattr_tcmsg.c b/tests/nlattr_tcmsg.c new file mode 100644 index 00000000..00b7ae46 --- /dev/null +++ b/tests/nlattr_tcmsg.c @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2017 JingPiao Chen + * 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 +#include "test_nlattr.h" +#include + +static void +init_tcmsg(struct nlmsghdr *const nlh, const unsigned int msg_len) +{ + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = msg_len, + .nlmsg_type = RTM_GETQDISC, + .nlmsg_flags = NLM_F_DUMP + ); + + struct tcmsg *const msg = NLMSG_DATA(nlh); + SET_STRUCT(struct tcmsg, msg, + .tcm_family = AF_UNIX, + .tcm_ifindex = ifindex_lo() + ); + +} + +static void +print_tcmsg(const unsigned int msg_len) +{ + printf("{len=%u, type=RTM_GETQDISC, flags=NLM_F_DUMP" + ", seq=0, pid=0}, {tcm_family=AF_UNIX" + ", tcm_ifindex=" IFINDEX_LO_STR + ", tcm_handle=0, tcm_parent=0, tcm_info=0}", + msg_len); +} + +int +main(void) +{ + skip_if_unavailable("/proc/self/fd/"); + + const int fd = create_nl_socket(NETLINK_ROUTE); + const unsigned int hdrlen = sizeof(struct tcmsg); + void *nlh0 = tail_alloc(NLMSG_SPACE(hdrlen)); + + static char pattern[4096]; + fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1); + + const unsigned int nla_type = 0xffff & NLA_TYPE_MASK; + char nla_type_str[256]; + sprintf(nla_type_str, "%#x /* TCA_??? */", nla_type); + TEST_NLATTR_(fd, nlh0, hdrlen, + init_tcmsg, print_tcmsg, + nla_type, nla_type_str, + 4, pattern, 4, + print_quoted_hex(pattern, 4)); + + puts("+++ exited with 0 +++"); + return 0; +} diff --git a/tests/pure_executables.list b/tests/pure_executables.list index 69c8c488..dbac011d 100755 --- a/tests/pure_executables.list +++ b/tests/pure_executables.list @@ -194,6 +194,7 @@ nlattr_nlmsgerr nlattr_packet_diag_msg nlattr_rtmsg nlattr_smc_diag_msg +nlattr_tcmsg nlattr_unix_diag_msg old_mmap oldfstat -- 2.40.0