diff options
Diffstat (limited to 'tests-m32/nlattr_mdba_mdb_entry.c')
| -rw-r--r-- | tests-m32/nlattr_mdba_mdb_entry.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/tests-m32/nlattr_mdba_mdb_entry.c b/tests-m32/nlattr_mdba_mdb_entry.c new file mode 100644 index 000000000..124fe1d4e --- /dev/null +++ b/tests-m32/nlattr_mdba_mdb_entry.c @@ -0,0 +1,182 @@ +/* + * 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 <arpa/inet.h> +# include <linux/if_bridge.h> +# include <linux/rtnetlink.h> + +# ifndef MDB_TEMPORARY +# define MDB_TEMPORARY 0 +# endif +# ifndef MDBA_MDB_ENTRY_INFO +# define MDBA_MDB_ENTRY_INFO 1 +# endif +# ifndef MDBA_MDB_EATTR_TIMER +# define MDBA_MDB_EATTR_TIMER 1 +# 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) +{ + unsigned int len = msg_len; + + SET_STRUCT(struct nlmsghdr, nlh, + .nlmsg_len = 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)); + len -= NLMSG_SPACE(hdrlen); + SET_STRUCT(struct nlattr, nla, + .nla_len = len, + .nla_type = MDBA_MDB + ); + + nla = nla + 1; + len -= NLA_HDRLEN; + SET_STRUCT(struct nlattr, nla, + .nla_len = len, + .nla_type = MDBA_MDB_ENTRY + ); +} + +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_MDB}" + ", {{nla_len=%u, nla_type=MDBA_MDB_ENTRY}", + msg_len, msg_len - NLMSG_SPACE(hdrlen), + msg_len - NLMSG_SPACE(hdrlen) - NLA_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 unsigned int nla_type = 0xffff & NLA_TYPE_MASK; + char nla_type_str[256]; + sprintf(nla_type_str, "%#x /* MDBA_MDB_ENTRY_??? */", nla_type); + TEST_NLATTR_(fd, nlh0 - NLA_HDRLEN * 2, hdrlen + NLA_HDRLEN * 2, + init_br_port_msg, print_br_port_msg, + nla_type, nla_type_str, + 4, pattern, 4, + print_quoted_hex(pattern, 4); + printf("}}")); + +# ifdef HAVE_STRUCT_BR_MDB_ENTRY + struct br_mdb_entry entry = { + .ifindex = ifindex_lo(), + .state = MDB_TEMPORARY, +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS + .flags = MDB_FLAGS_OFFLOAD, +# endif +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID + .vid = 0xcdef, +# endif + .addr = { + .proto = htons(AF_UNSPEC) + } + }; + + memcpy(&entry.addr.u, pattern, sizeof(entry.addr.u)); + TEST_NESTED_NLATTR_OBJECT_EX(fd, nlh0, hdrlen, + init_br_port_msg, print_br_port_msg, + MDBA_MDB_ENTRY_INFO, pattern, entry, 2, + printf("{ifindex=" IFINDEX_LO_STR); + printf(", state=MDB_TEMPORARY"); +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS + printf(", flags=MDB_FLAGS_OFFLOAD"); +# endif +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID + PRINT_FIELD_U(", ", entry, vid); +# endif + printf(", addr={u="); + print_quoted_hex(&entry.addr.u, + sizeof(entry.addr.u)); + printf(", proto=htons(AF_UNSPEC)}}")); + + static const struct nlattr nla = { + .nla_len = sizeof(nla), + .nla_type = MDBA_MDB_EATTR_TIMER + }; + char buf[NLMSG_ALIGN(sizeof(entry)) + sizeof(nla)]; + memcpy(buf, &entry, sizeof(entry)); + memcpy(buf + NLMSG_ALIGN(sizeof(entry)), &nla, sizeof(nla)); + TEST_NLATTR(fd, nlh0 - NLA_HDRLEN * 2, hdrlen + NLA_HDRLEN * 2, + init_br_port_msg, print_br_port_msg, + MDBA_MDB_ENTRY_INFO, sizeof(buf), buf, sizeof(buf), + printf("{ifindex=" IFINDEX_LO_STR); + printf(", state=MDB_TEMPORARY"); +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_FLAGS + printf(", flags=MDB_FLAGS_OFFLOAD"); +# endif +# ifdef HAVE_STRUCT_BR_MDB_ENTRY_VID + PRINT_FIELD_U(", ", entry, vid); +# endif + printf(", addr={u="); + print_quoted_hex(&entry.addr.u, sizeof(entry.addr.u)); + printf(", proto=htons(AF_UNSPEC)}}" + ", {nla_len=%u, nla_type=MDBA_MDB_EATTR_TIMER}}}", + nla.nla_len)); +# endif /* HAVE_STRUCT_BR_MDB_ENTRY */ + + puts("+++ exited with 0 +++"); + return 0; +} + +#else + +SKIP_MAIN_UNDEFINED("HAVE_STRUCT_BR_PORT_MSG") + +#endif |