Dmitry V. Levin
92e347b556
We do our best to keep copyright headers up to date, yet git history provides better information on this subject and is more accurate than copyright headers.
105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/*
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* Copyright (c) 2017-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include "print_fields.h"
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/socket.h>
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#include "netlink.h"
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#define TEST_NETLINK_(fd_, nlh0_, \
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type_, type_str_, \
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flags_, flags_str_, \
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data_len_, src_, slen_, ...) \
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do { \
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struct nlmsghdr *const TEST_NETLINK_nlh = \
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(nlh0_) - (slen_); \
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const unsigned int msg_len = \
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NLMSG_HDRLEN + (data_len_); \
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\
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SET_STRUCT(struct nlmsghdr, TEST_NETLINK_nlh, \
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.nlmsg_len = msg_len, \
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.nlmsg_type = (type_), \
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.nlmsg_flags = (flags_) \
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); \
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memcpy(NLMSG_DATA(TEST_NETLINK_nlh), (src_), (slen_)); \
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\
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const char *const errstr = \
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sprintrc(sendto((fd_), TEST_NETLINK_nlh, \
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msg_len, MSG_DONTWAIT, \
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NULL, 0)); \
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\
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printf("sendto(%d, {{len=%u, type=%s" \
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", flags=%s, seq=0, pid=0}, ", \
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(fd_), msg_len, (type_str_), (flags_str_)); \
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\
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{ __VA_ARGS__; } \
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\
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printf("}, %u, MSG_DONTWAIT, NULL, 0) = %s\n", \
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msg_len, errstr); \
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} while (0)
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#define TEST_NETLINK(fd_, nlh0_, type_, flags_, \
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data_len_, src_, slen_, ...) \
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TEST_NETLINK_((fd_), (nlh0_), \
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(type_), #type_, \
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(flags_), #flags_, \
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(data_len_), (src_), (slen_), __VA_ARGS__)
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#define TEST_NETLINK_OBJECT_EX_(fd_, nlh0_, \
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type_, type_str_, \
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flags_, flags_str_, \
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obj_, fallback_func, ...) \
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do { \
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char pattern[DEFAULT_STRLEN]; \
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fill_memory_ex(pattern, sizeof(pattern), \
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'a', 'z' - 'a' + 1); \
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const unsigned int plen = \
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sizeof(obj_) - 1 > DEFAULT_STRLEN \
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? DEFAULT_STRLEN : (int) sizeof(obj_) - 1; \
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/* len < sizeof(obj_) */ \
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TEST_NETLINK_((fd_), (nlh0_), \
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(type_), (type_str_), \
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(flags_), (flags_str_), \
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plen, pattern, plen, \
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(fallback_func)(pattern, plen)); \
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/* short read of sizeof(obj_) */ \
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TEST_NETLINK_((fd_), (nlh0_), \
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(type_), (type_str_), \
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(flags_), (flags_str_), \
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sizeof(obj_), \
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pattern, plen, \
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printf("%p", \
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NLMSG_DATA(TEST_NETLINK_nlh))); \
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/* sizeof(obj_) */ \
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TEST_NETLINK_((fd_), (nlh0_), \
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(type_), (type_str_), \
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(flags_), (flags_str_), \
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sizeof(obj_), \
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&(obj_), sizeof(obj_), \
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__VA_ARGS__); \
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} while (0)
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#define TEST_NETLINK_OBJECT_EX(fd_, nlh0_, \
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type_, flags_, \
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obj_, fallback_func, ...) \
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TEST_NETLINK_OBJECT_EX_((fd_), (nlh0), \
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(type_), #type_, \
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(flags_), #flags_, \
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(obj_), (fallback_func), __VA_ARGS__)
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#define TEST_NETLINK_OBJECT(fd_, nlh0_, \
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type_, flags_, \
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obj_, ...) \
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TEST_NETLINK_OBJECT_EX_((fd_), (nlh0), \
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(type_), #type_, \
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(flags_), #flags_, \
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(obj_), print_quoted_hex, __VA_ARGS__)
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