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tests: check decoding of nlattr_inet_diag_req_v2 attributes

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* tests/nlattr_inet_diag_req_v2.c: New file.
* tests/gen_tests.in (nlattr_inet_diag_req_v2): New entry.
* tests/pure_executables.list: Add nlattr_inet_diag_req_v2.
* tests/.gitignore: Likewise.
This commit is contained in:
JingPiao Chen 2017-07-05 15:48:28 +08:00 committed by Dmitry V. Levin
parent de79458f09
commit 9f40073dc1
4 changed files with 432 additions and 0 deletions
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1
tests/.gitignore vendored
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@ -213,6 +213,7 @@ newfstatat
nlattr
nlattr_inet_diag_msg
nlattr_inet_diag_req_compat
nlattr_inet_diag_req_v2
nlattr_netlink_diag_msg
nlattr_packet_diag_msg
nlattr_smc_diag_msg

1
tests/gen_tests.in
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@ -196,6 +196,7 @@ newfstatat -a32 -v -P stat.sample -P /dev/full
nlattr +netlink_sock_diag.test
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_packet_diag_msg +netlink_sock_diag-v.sh
nlattr_smc_diag_msg +netlink_sock_diag.test

429
tests/nlattr_inet_diag_req_v2.c Normal file
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@ -0,0 +1,429 @@
/*
* 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"
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <netinet/tcp.h>
#include "test_nlattr.h"
#include <linux/inet_diag.h>
#include <linux/rtnetlink.h>
#include <linux/sock_diag.h>
#ifdef HAVE_IF_INDEXTONAME
# define IFINDEX_LO (if_nametoindex("lo"))
#else
# define IFINDEX_LO 1
#endif
static const char address[] = "10.11.12.13";
static const unsigned int hdrlen = sizeof(struct inet_diag_req_v2);
static void *nlh0;
static char pattern[4096];
static void
init_inet_diag_req_v2(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = SOCK_DIAG_BY_FAMILY,
.nlmsg_flags = NLM_F_REQUEST
);
struct inet_diag_req_v2 *const req = NLMSG_DATA(nlh);
SET_STRUCT(struct inet_diag_req_v2, req,
.sdiag_family = AF_INET,
.idiag_ext = 1 << (INET_DIAG_CONG - 1),
.sdiag_protocol = IPPROTO_TCP,
.idiag_states = 1 << TCP_CLOSE,
.id.idiag_if = IFINDEX_LO
);
if (!inet_pton(AF_INET, address, req->id.idiag_src) ||
!inet_pton(AF_INET, address, req->id.idiag_dst))
perror_msg_and_skip("inet_pton");
}
static void
print_inet_diag_req_v2(const unsigned int msg_len)
{
printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
", flags=NLM_F_REQUEST, seq=0, pid=0}"
", {sdiag_family=AF_INET, sdiag_protocol=IPPROTO_TCP"
", idiag_ext=1<<(INET_DIAG_CONG-1)"
", idiag_states=1<<TCP_CLOSE"
", id={idiag_sport=htons(0), idiag_dport=htons(0)"
", idiag_src=inet_addr(\"%s\")"
", idiag_dst=inet_addr(\"%s\")"
", idiag_if=if_nametoindex(\"lo\"), idiag_cookie=[0, 0]}}",
msg_len, address, address);
}
static void
test_inet_diag_bc_op(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_S_COND,
.yes = 0xaf,
.no = 0xafcd
};
TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE, pattern, op,
printf("{code=INET_DIAG_BC_S_COND");
PRINT_FIELD_U(", ", op, yes);
PRINT_FIELD_U(", ", op, no);
printf("}"));
}
static void
print_inet_diag_bc_op(const char *const code)
{
printf("{{code=%s, yes=0, no=0}, ", code);
}
static void
test_inet_diag_bc_s_cond(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_S_COND,
};
static const struct inet_diag_hostcond cond = {
.family = AF_UNSPEC,
.prefix_len = 0xad,
.port = 0xadfa
};
char buf[sizeof(op) + sizeof(cond)];
memcpy(buf, &op, sizeof(op));
const unsigned int plen = sizeof(cond) - 1 > DEFAULT_STRLEN ?
sizeof(op) + DEFAULT_STRLEN : sizeof(buf) - 1;
memcpy(buf + sizeof(op), &pattern, sizeof(cond));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
plen, buf, plen,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_quoted_hex(buf + sizeof(op), plen - sizeof(op));
printf("}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
printf("%p}", RTA_DATA(TEST_NLATTR_nla) + sizeof(op)));
memcpy(buf + sizeof(op), &cond, sizeof(cond));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
printf("{family=AF_UNSPEC");
PRINT_FIELD_U(", ", cond, prefix_len);
PRINT_FIELD_U(", ", cond, port);
printf("}}"));
}
static void
print_inet_diag_hostcond(const char *const family)
{
printf("{family=%s, prefix_len=0, port=0, ", family);
}
static void
test_in_addr(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_S_COND,
};
static const struct inet_diag_hostcond cond = {
.family = AF_INET,
};
struct in_addr addr;
if (!inet_pton(AF_INET, address, &addr))
perror_msg_and_skip("inet_pton");
char buf[sizeof(op) + sizeof(cond) + sizeof(addr)];
memcpy(buf, &op, sizeof(op));
memcpy(buf + sizeof(op), &cond, sizeof(cond));
const unsigned int plen = sizeof(addr) - 1 > DEFAULT_STRLEN ?
sizeof(cond) + sizeof(cond) + DEFAULT_STRLEN : sizeof(buf) - 1;
memcpy(buf + sizeof(op) + sizeof(cond), &pattern, sizeof(addr));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
plen, buf, plen,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET");
printf("addr=");
print_quoted_hex(pattern, plen - sizeof(op) - sizeof(cond));
printf("}}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET");
printf("addr=%p}}",
RTA_DATA(TEST_NLATTR_nla)
+ sizeof(op) + sizeof(cond)));
memcpy(buf + sizeof(op) + sizeof(cond), &addr, sizeof(addr));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET");
printf("addr=inet_addr(\"%s\")}}", address));
}
static void
test_in6_addr(const int fd)
{
const char address6[] = "12:34:56:78:90:ab:cd:ef";
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_S_COND,
};
static const struct inet_diag_hostcond cond = {
.family = AF_INET6,
};
struct in6_addr addr;
if (!inet_pton(AF_INET6, address6, &addr))
perror_msg_and_skip("inet_pton");
char buf[sizeof(op) + sizeof(cond) + sizeof(addr)];
memcpy(buf, &op, sizeof(op));
memcpy(buf + sizeof(op), &cond, sizeof(cond));
const unsigned int plen = sizeof(addr) - 1 > DEFAULT_STRLEN ?
sizeof(cond) + sizeof(cond) + DEFAULT_STRLEN : sizeof(buf) - 1;
memcpy(buf + sizeof(op) + sizeof(cond), &pattern, sizeof(addr));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
plen, buf, plen,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET6");
printf("addr=");
print_quoted_hex(pattern, plen - sizeof(op) - sizeof(cond));
printf("}}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET6");
printf("addr=%p}}",
RTA_DATA(TEST_NLATTR_nla)
+ sizeof(op) + sizeof(cond)));
memcpy(buf + sizeof(op) + sizeof(cond), &addr, sizeof(addr));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_S_COND");
print_inet_diag_hostcond("AF_INET6");
printf("inet_pton(AF_INET6, \"%s\", &addr)}}", address6));
}
static void
test_inet_diag_bc_dev_cond(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_DEV_COND,
};
const uint32_t ifindex = IFINDEX_LO;
char buf[sizeof(op) + sizeof(ifindex)];
memcpy(buf, &op, sizeof(op));
memcpy(buf + sizeof(op), pattern, sizeof(ifindex));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf) - 1, buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_DEV_COND");
print_quoted_hex(pattern, sizeof(ifindex) - 1);
printf("}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_DEV_COND");
printf("%p}", RTA_DATA(TEST_NLATTR_nla) + sizeof(op)));
memcpy(buf + sizeof(op), &ifindex, sizeof(ifindex));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_DEV_COND");
printf("if_nametoindex(\"lo\")}"));
}
static void
test_inet_diag_bc_s_le(const int fd)
{
static const struct inet_diag_bc_op op[] = {
{
.code = INET_DIAG_BC_S_LE,
},
{
.code = INET_DIAG_BC_DEV_COND,
.yes = 0xaf,
.no = 0xafcd
}
};
char buf[sizeof(op)];
memcpy(buf, op, sizeof(op[0]));
memcpy(buf + sizeof(op[0]), pattern, sizeof(op[1]));
const unsigned int plen = sizeof(op[1]) - 1 > DEFAULT_STRLEN ?
sizeof(op[0]) + DEFAULT_STRLEN : sizeof(buf) - 1;
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
plen, buf, plen,
print_inet_diag_bc_op("INET_DIAG_BC_S_LE");
print_quoted_hex(buf + sizeof(op[0]), plen - sizeof(op[0]));
printf("}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_S_LE");
printf("%p}", RTA_DATA(TEST_NLATTR_nla) + sizeof(op[0])));
memcpy(buf + sizeof(op[0]), &op[1], sizeof(op[1]));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_S_LE");
printf("{code=INET_DIAG_BC_DEV_COND");
PRINT_FIELD_U(", ", op[1], yes);
PRINT_FIELD_U(", ", op[1], no);
printf("}}"));
};
static void
test_inet_diag_bc_mark_cond(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_MARK_COND,
};
static const struct inet_diag_markcond markcond = {
.mark = 0xafbcafcd,
.mask = 0xbafaacda
};
char buf[sizeof(op) + sizeof(markcond)];
memcpy(buf, &op, sizeof(op));
memcpy(buf + sizeof(op), pattern, sizeof(markcond));
const unsigned int plen = sizeof(markcond) - 1 > DEFAULT_STRLEN ?
sizeof(markcond) + DEFAULT_STRLEN : sizeof(buf) - 1;
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
plen, buf, plen,
print_inet_diag_bc_op("INET_DIAG_BC_MARK_COND");
print_quoted_hex(buf + sizeof(op), plen - sizeof(op));
printf("}"));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf) - 1,
print_inet_diag_bc_op("INET_DIAG_BC_MARK_COND");
printf("%p}", RTA_DATA(TEST_NLATTR_nla) + sizeof(op)));
memcpy(buf + sizeof(op), &markcond, sizeof(markcond));
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_MARK_COND");
PRINT_FIELD_U("{", markcond, mark);
PRINT_FIELD_U(", ", markcond, mask);
printf("}}"));
}
static void
test_inet_diag_bc_nop(const int fd)
{
static const struct inet_diag_bc_op op = {
.code = INET_DIAG_BC_AUTO,
};
char buf[sizeof(op) + 4];
memcpy(buf, &op, sizeof(op));
memcpy(buf + sizeof(op), pattern, 4);
TEST_NLATTR(fd, nlh0, hdrlen,
init_inet_diag_req_v2, print_inet_diag_req_v2,
INET_DIAG_REQ_BYTECODE,
sizeof(buf), buf, sizeof(buf),
print_inet_diag_bc_op("INET_DIAG_BC_AUTO");
print_quoted_hex(buf + sizeof(op),
sizeof(buf) - sizeof(op));
printf("}"));
}
int
main(void)
{
skip_if_unavailable("/proc/self/fd/");
int fd = create_nl_socket(NETLINK_SOCK_DIAG);
nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
test_inet_diag_bc_op(fd);
test_inet_diag_bc_s_cond(fd);
test_in_addr(fd);
test_in6_addr(fd);
test_inet_diag_bc_dev_cond(fd);
test_inet_diag_bc_s_le(fd);
test_inet_diag_bc_mark_cond(fd);
test_inet_diag_bc_nop(fd);
printf("+++ exited with 0 +++\n");
return 0;
}

1
tests/pure_executables.list
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@ -178,6 +178,7 @@ newfstatat
nlattr
nlattr_inet_diag_msg
nlattr_inet_diag_req_compat
nlattr_inet_diag_req_v2
nlattr_netlink_diag_msg
nlattr_packet_diag_msg
nlattr_smc_diag_msg