strace/tests/nlattr_ifla_brport.c

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/*
* Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
* Copyright (c) 2017-2018 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 <inttypes.h>
#include "test_nlattr.h"
#include <linux/if.h>
#include <linux/if_arp.h>
#ifdef HAVE_LINUX_IF_LINK_H
# include <linux/if_link.h>
#endif
#include <linux/rtnetlink.h>
#if !HAVE_DECL_IFLA_PROTINFO
enum { IFLA_PROTINFO = 12 };
#endif
#define IFLA_BRPORT_PRIORITY 2
#define IFLA_BRPORT_MESSAGE_AGE_TIMER 21
#define IFLA_ATTR IFLA_PROTINFO
#include "nlattr_ifla.h"
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
tests: introduce midtail_alloc and use it in netlink tests netlink tests happen to access memory located before the tail_malloc'ed pointers, a practice that doesn't go well with the latest compilers because tail_malloc is marked with ATTRIBUTE_MALLOC. For example, glibc in -D_FORTIFY_SOURCE=2 mode and gcc 8 with -Warray-bounds enabled complain about negative offsets out of bounds. Fix this issue by introducing midtail_alloc. * tests/tests.h (midtail_alloc): New macro. * tests/netlink_crypto.c: Use it instead of tail_malloc for nlh0 allocation. * tests/netlink_netfilter.c: Likewise. * tests/netlink_protocol.c: Likewise. * tests/netlink_route.c: Likewise. * tests/netlink_selinux.c: Likewise. * tests/netlink_sock_diag.c: Likewise. * tests/nlattr_br_port_msg.c: Likewise. * tests/nlattr_crypto_user_alg.c: Likewise. * tests/nlattr_dcbmsg.c: Likewise. * tests/nlattr_fib_rule_hdr.c: Likewise. * tests/nlattr_ifaddrlblmsg.c: Likewise. * tests/nlattr_ifaddrmsg.c: Likewise. * tests/nlattr_ifinfomsg.c: Likewise. * tests/nlattr_ifla_brport.c: Likewise. * tests/nlattr_ifla_port.c: Likewise. * tests/nlattr_ifla_xdp.c: Likewise. * tests/nlattr_inet_diag_msg.c: Likewise. * tests/nlattr_inet_diag_req_compat.c: Likewise. * tests/nlattr_inet_diag_req_v2.c: Likewise. * tests/nlattr_mdba_mdb_entry.c: Likewise. * tests/nlattr_mdba_router_port.c: Likewise. * tests/nlattr_ndmsg.c: Likewise. * tests/nlattr_ndtmsg.c: Likewise. * tests/nlattr_netconfmsg.c: Likewise. * tests/nlattr_netlink_diag_msg.c: Likewise. * tests/nlattr_nlmsgerr.c: Likewise. * tests/nlattr_packet_diag_msg.c: Likewise. * tests/nlattr_rtgenmsg.c: Likewise. * tests/nlattr_rtmsg.c: Likewise. * tests/nlattr_smc_diag_msg.c: Likewise. * tests/nlattr_tc_stats.c: Likewise. * tests/nlattr_tca_stab.c: Likewise. * tests/nlattr_tcamsg.c: Likewise. * tests/nlattr_tcmsg.c: Likewise. * tests/nlattr_unix_diag_msg.c: Likewise. Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
2018-05-08 08:10:16 +03:00
const uint16_t u16 = 0xabcd;
const uint64_t u64 = 0xabcdedeeefeafeab;
const int fd = create_nl_socket(NETLINK_ROUTE);
tests: introduce midtail_alloc and use it in netlink tests netlink tests happen to access memory located before the tail_malloc'ed pointers, a practice that doesn't go well with the latest compilers because tail_malloc is marked with ATTRIBUTE_MALLOC. For example, glibc in -D_FORTIFY_SOURCE=2 mode and gcc 8 with -Warray-bounds enabled complain about negative offsets out of bounds. Fix this issue by introducing midtail_alloc. * tests/tests.h (midtail_alloc): New macro. * tests/netlink_crypto.c: Use it instead of tail_malloc for nlh0 allocation. * tests/netlink_netfilter.c: Likewise. * tests/netlink_protocol.c: Likewise. * tests/netlink_route.c: Likewise. * tests/netlink_selinux.c: Likewise. * tests/netlink_sock_diag.c: Likewise. * tests/nlattr_br_port_msg.c: Likewise. * tests/nlattr_crypto_user_alg.c: Likewise. * tests/nlattr_dcbmsg.c: Likewise. * tests/nlattr_fib_rule_hdr.c: Likewise. * tests/nlattr_ifaddrlblmsg.c: Likewise. * tests/nlattr_ifaddrmsg.c: Likewise. * tests/nlattr_ifinfomsg.c: Likewise. * tests/nlattr_ifla_brport.c: Likewise. * tests/nlattr_ifla_port.c: Likewise. * tests/nlattr_ifla_xdp.c: Likewise. * tests/nlattr_inet_diag_msg.c: Likewise. * tests/nlattr_inet_diag_req_compat.c: Likewise. * tests/nlattr_inet_diag_req_v2.c: Likewise. * tests/nlattr_mdba_mdb_entry.c: Likewise. * tests/nlattr_mdba_router_port.c: Likewise. * tests/nlattr_ndmsg.c: Likewise. * tests/nlattr_ndtmsg.c: Likewise. * tests/nlattr_netconfmsg.c: Likewise. * tests/nlattr_netlink_diag_msg.c: Likewise. * tests/nlattr_nlmsgerr.c: Likewise. * tests/nlattr_packet_diag_msg.c: Likewise. * tests/nlattr_rtgenmsg.c: Likewise. * tests/nlattr_rtmsg.c: Likewise. * tests/nlattr_smc_diag_msg.c: Likewise. * tests/nlattr_tc_stats.c: Likewise. * tests/nlattr_tca_stab.c: Likewise. * tests/nlattr_tcamsg.c: Likewise. * tests/nlattr_tcmsg.c: Likewise. * tests/nlattr_unix_diag_msg.c: Likewise. Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
2018-05-08 08:10:16 +03:00
void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen),
NLA_HDRLEN * 2 + sizeof(u64));
static char pattern[4096];
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_BRPORT_PRIORITY, pattern, u16,
printf("%u", u16));
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_BRPORT_MESSAGE_AGE_TIMER, pattern, u64,
printf("%" PRIu64, u64));
#ifdef HAVE_STRUCT_IFLA_BRIDGE_ID
static const struct ifla_bridge_id id = {
.prio = { 0xab, 0xcd },
.addr = { 0xab, 0xcd, 0xef, 0xac, 0xbc, 0xcd }
};
TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_ifinfomsg, print_ifinfomsg,
IFLA_BRPORT_ROOT_ID, pattern, id,
printf("{prio=[%u, %u]"
", addr=%02x:%02x:%02x:%02x:%02x:%02x}",
id.prio[0], id.prio[1],
id.addr[0], id.addr[1], id.addr[2],
id.addr[3], id.addr[4], id.addr[5]));
#endif
puts("+++ exited with 0 +++");
return 0;
}