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712 lines
21 KiB
712 lines
21 KiB
/*
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* IFLA_LINKINFO netlink attribute decoding check.
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*
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* Copyright (c) 2018 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <inttypes.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <arpa/inet.h>
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#include "test_nlattr.h"
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#include <linux/if.h>
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#include <linux/if_arp.h>
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#ifdef HAVE_LINUX_IF_LINK_H
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# include <linux/if_link.h>
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#endif
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#include <linux/rtnetlink.h>
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#define XLAT_MACROS_ONLY
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# include <xlat/rtnl_link_attrs.h>
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# include <xlat/rtnl_ifla_info_attrs.h>
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#undef XLAT_MACROS_ONLY
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#define IFLA_ATTR IFLA_LINKINFO
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#include "nlattr_ifla.h"
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#define COMMA ,
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#define TEST_UNKNOWN_TUNNELS(fd_, nlh0_, objtype_, objtype_str_, \
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obj_, objsz_, arrstrs_, ...) \
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do { \
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/* 64 is guestimate for maximum unknown type len */ \
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char buf[8 * 2 + 64 + objsz_]; \
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const char **arrstrs[] = arrstrs_; \
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const char ***arrstrs_pos = arrstrs; \
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const char **arrstr = *arrstrs_pos; \
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const char *type = NULL; \
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\
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for (type = arrstr ? arrstr[0] : NULL; type && arrstr; \
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type = (++arrstr)[0] ? arrstr[0] \
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: (++arrstrs_pos)[0] \
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? (arrstr = arrstrs_pos[0])[0] \
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: NULL) \
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{ \
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size_t type_len = strlen(type) + 1; \
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\
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if (type_len > 64) \
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error_msg_and_fail("Unexpectedly long " \
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"unknown type: \"%s\" " \
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"(length is %zu)", \
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type, type_len); \
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\
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struct nlattr obj_nla = { \
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.nla_len = NLA_HDRLEN + (objsz_), \
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.nla_type = (objtype_), \
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}; \
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\
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char *pos = buf; \
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memcpy(pos, type, type_len); \
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pos += NLA_ALIGN(type_len); \
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memcpy(pos, &obj_nla, sizeof(obj_nla)); \
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pos += sizeof(obj_nla); \
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memcpy(pos, (obj_), (objsz_)); \
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\
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TEST_NLATTR_EX_((fd_), \
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(nlh0_) - hdrlen - (pos - buf), \
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hdrlen + NLA_HDRLEN, \
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init_ifinfomsg, print_ifinfomsg, \
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IFLA_INFO_KIND, "IFLA_INFO_KIND", \
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type_len, objsz_ + (pos - buf), \
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buf, objsz_ + (pos - buf), \
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printf("\"%s\"}", type); \
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printf(", {{nla_len=%zu" \
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", nla_type=%s}, ", \
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(objsz_) + NLA_HDRLEN, \
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(objtype_str_)); \
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\
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{ __VA_ARGS__; } \
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\
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printf("}")); \
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} \
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} while (0)
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#define TEST_LINKINFO_(fd_, nlh0_, nla_type_, nla_type_str_, tuntype_, \
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obj_, objsz_, pattern_, fallback_func_, ...) \
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do { \
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size_t tuntype_len = strlen(tuntype_) + 1; \
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char *buf = tail_alloc(NLA_ALIGN(tuntype_len) \
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+ NLA_HDRLEN + (objsz_)); \
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char *pos = buf; \
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\
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struct nlattr obj_nla = { \
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.nla_len = NLA_HDRLEN + (objsz_), \
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.nla_type = (nla_type_), \
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}; \
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\
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memcpy(pos, (tuntype_), tuntype_len); \
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pos += NLA_ALIGN(tuntype_len); \
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memcpy(pos, &obj_nla, sizeof(obj_nla)); \
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pos += sizeof(obj_nla); \
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memcpy(pos, &(obj_), (objsz_)); \
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\
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if (fallback_func_ == print_quoted_hex) { \
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TEST_NLATTR_EX_((fd_), \
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(nlh0_) - NLA_HDRLEN, \
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hdrlen + NLA_HDRLEN, \
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init_ifinfomsg, print_ifinfomsg, \
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IFLA_INFO_KIND, "IFLA_INFO_KIND", \
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tuntype_len, \
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objsz_ + (pos - buf) - 1, \
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buf, objsz_ + (pos - buf) - 1, \
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printf("\"%s\"}", (tuntype_)); \
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printf(", {{nla_len=%zu" \
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", nla_type=%s}, ", \
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(objsz_) + NLA_HDRLEN, \
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(nla_type_str_)); \
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(fallback_func_)((obj_), \
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(objsz_) - 1); \
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printf("}")); \
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} \
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\
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TEST_NLATTR_EX_((fd_), (nlh0_) - NLA_HDRLEN, \
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hdrlen + NLA_HDRLEN, \
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init_ifinfomsg, print_ifinfomsg, \
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IFLA_INFO_KIND, "IFLA_INFO_KIND", \
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tuntype_len, objsz_ + (pos - buf), \
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buf, objsz_ + (pos - buf) - 1, \
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printf("\"%s\"}", (tuntype_)); \
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printf(", {{nla_len=%zu, nla_type=%s}, ", \
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(objsz_) + NLA_HDRLEN, \
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(nla_type_str_)); \
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printf("%p}", \
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RTA_DATA(NLMSG_ATTR(nlh, \
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(hdrlen + NLA_HDRLEN + (pos - buf)))) \
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) \
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); \
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\
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TEST_NLATTR_EX_((fd_), (nlh0_) - NLA_HDRLEN, \
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hdrlen + NLA_HDRLEN, \
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init_ifinfomsg, print_ifinfomsg, \
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IFLA_INFO_KIND, "IFLA_INFO_KIND", \
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tuntype_len, objsz_ + (pos - buf), \
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buf, objsz_ + (pos - buf), \
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printf("\"%s\"}", (tuntype_)); \
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printf(", {{nla_len=%zu, nla_type=%s}, ", \
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(objsz_) + NLA_HDRLEN, \
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(nla_type_str_)); \
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\
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{ __VA_ARGS__; } \
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\
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printf("}")); \
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} while (0)
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#define TEST_LINKINFO(fd_, nlh0_, nla_type_, tuntype_, \
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obj_, pattern_, fallback_func_, ...) \
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TEST_LINKINFO_((fd_), (nlh0_), nla_type_, #nla_type_, (tuntype_), \
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(obj_), sizeof(obj_), pattern_, fallback_func_, \
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__VA_ARGS__)
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#define TEST_NESTED_LINKINFO(fd_, nlh0_, \
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nla_type_, nla_type_str_, tuntype_, \
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subnla_type_, subnla_type_str_, \
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obj_, pattern_, ...) \
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do { \
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size_t tuntype_len = strlen(tuntype_) + 1; \
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struct { \
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size_t sz; \
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const char *str; \
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} attrs[] = { __VA_ARGS__ }; \
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size_t tunhdrlen; \
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size_t buflen = NLA_ALIGN(tuntype_len) + NLA_HDRLEN; \
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size_t attrsz = 0; \
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\
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for (size_t i = 0; i < ARRAY_SIZE(attrs); i++) \
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attrsz += NLA_HDRLEN + NLA_ALIGN(attrs[i].sz); \
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\
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buflen += attrsz; \
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\
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char *buf = tail_alloc(buflen); \
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char *pos = buf; \
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\
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struct nlattr nla = { \
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.nla_len = NLA_HDRLEN + attrsz, \
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.nla_type = (nla_type_), \
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}; \
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\
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memcpy(pos, (tuntype_), tuntype_len); \
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pos += NLA_ALIGN(tuntype_len); \
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memcpy(pos, &nla, sizeof(nla)); \
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pos += sizeof(nla); \
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\
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tunhdrlen = pos - buf; \
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\
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nla.nla_type = subnla_type_; \
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\
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for (size_t i = 0; i < ARRAY_SIZE(attrs); i++) { \
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nla.nla_len = NLA_HDRLEN + attrs[i].sz; \
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memcpy(pos, &nla, sizeof(nla)); \
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pos += sizeof(nla); \
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\
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memcpy(pos, &(obj_), MIN(sizeof(obj_), attrs[i].sz)); \
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\
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if (attrs[i].sz > sizeof(obj_)) \
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memcpy(pos + sizeof(obj_), \
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&(pattern_), \
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attrs[i].sz - sizeof(obj_)); \
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\
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pos += NLA_ALIGN(attrs[i].sz); \
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} \
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\
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TEST_NLATTR_EX_((fd_), (nlh0_) - hdrlen - tunhdrlen, \
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hdrlen + NLA_HDRLEN, \
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init_ifinfomsg, print_ifinfomsg, \
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IFLA_INFO_KIND, "IFLA_INFO_KIND", \
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tuntype_len, buflen, \
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buf, buflen, \
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printf("\"%s\"}", (tuntype_)); \
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printf(", {{nla_len=%zu, nla_type=%s}, [", \
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attrsz + NLA_HDRLEN, \
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(nla_type_str_)); \
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\
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for (size_t i = 0; i < ARRAY_SIZE(attrs); i++) \
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printf("%s%s{nla_len=%zu" \
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", nla_type=%s}%s%s%s", \
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i ? ", " : "", \
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attrs[i].str ? "{": "", \
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attrs[i].sz + NLA_HDRLEN, \
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subnla_type_str_, \
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attrs[i].str ? ", ": "", \
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attrs[i].str ?: "", \
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attrs[i].str ? "}" : ""); \
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\
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printf("]}")); \
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} while (0)
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int
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main(void)
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{
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static const uint8_t unknown_msg[] = { 0xab, 0xac, 0xdb, 0xcd };
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static const char *unsupported_tunnel_types[] = {
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"batadv", "bond",
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"caif", "cfhsi",
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"dummy",
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"erspan",
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"geneve", "gre", "gretap", "gtp",
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"hsr",
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"ifb", "ip6erspan", "ip6gre", "ip6gretap", "ip6tnl",
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"ipip", "ipoib", "ipvlan", "ipvtap",
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"lowpan",
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"macsec", "macvlan", "macvtap",
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"netdevsim", "nlmon",
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"openvswitch",
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"ppp",
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"rmnet",
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"sit",
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"team",
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"vcan", "veth", "vlan", "vrf", "vsockmon",
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"vti", "vti6", "vxcan", "vxlan",
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NULL
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};
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static const char *unsupported_xstats_types[] = {
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"bridge",
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"tun",
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NULL
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};
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static const char *unsupported_data_types[] = {
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"can",
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NULL
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};
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skip_if_unavailable("/proc/self/fd/");
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const int fd = create_nl_socket(NETLINK_ROUTE);
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const unsigned int hdrlen = sizeof(struct ifinfomsg);
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void *nlh0 = midtail_alloc(NLMSG_SPACE(hdrlen), 2 * NLA_HDRLEN + 256);
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static char pattern[4096];
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fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
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/* unknown AF_INFO_* type */
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TEST_NESTED_NLATTR_OBJECT(fd, nlh0, hdrlen,
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init_ifinfomsg, print_ifinfomsg,
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IFLA_INFO_UNSPEC, pattern, unknown_msg,
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printf("\"\\xab\\xac\\xdb\\xcd\""));
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TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
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init_ifinfomsg, print_ifinfomsg,
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6, "0x6 /* IFLA_INFO_??? */", pattern,
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unknown_msg, print_quoted_hex, 1,
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printf("\"\\xab\\xac\\xdb\\xcd\""));
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/* IFLA_INFO_KIND */
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TEST_NESTED_NLATTR_OBJECT_EX_(fd, nlh0, hdrlen,
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init_ifinfomsg, print_ifinfomsg,
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IFLA_INFO_KIND, "IFLA_INFO_KIND", pattern,
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unknown_msg, print_quoted_stringn, 1,
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printf("\"\\253\\254\\333\\315\"..."));
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/* IFLA_INFO_KIND + IFLA_INFO_UNSPEC */
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TEST_UNKNOWN_TUNNELS(fd, nlh0, IFLA_INFO_UNSPEC, "IFLA_INFO_UNSPEC",
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unknown_msg, sizeof(unknown_msg),
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{unsupported_tunnel_types COMMA
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unsupported_xstats_types COMMA
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unsupported_data_types COMMA
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NULL},
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printf("\"\\xab\\xac\\xdb\\xcd\""));
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/* IFLA_INFO_KIND + IFLA_INFO_KIND */
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TEST_UNKNOWN_TUNNELS(fd, nlh0, IFLA_INFO_KIND, "IFLA_INFO_KIND",
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unknown_msg, sizeof(unknown_msg),
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{unsupported_tunnel_types COMMA
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unsupported_xstats_types COMMA
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unsupported_data_types COMMA
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NULL},
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printf("\"\\253\\254\\333\\315\"..."));
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/* IFLA_INFO_KIND + IFLA_INFO_DATA */
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TEST_UNKNOWN_TUNNELS(fd, nlh0, IFLA_INFO_DATA, "IFLA_INFO_DATA",
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unknown_msg, sizeof(unknown_msg),
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{unsupported_tunnel_types COMMA
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unsupported_data_types COMMA
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NULL},
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printf("\"\\xab\\xac\\xdb\\xcd\""));
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struct val_name {
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unsigned int val;
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const char *name;
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};
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static const uint64_t u64_val = 0xdeadc0defacefeedULL;
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static const uint32_t u32_val = 0xbadc0dedU;
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static const uint16_t u16_val = 0xdeed;
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static const uint8_t u8_val = 0xa1;
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/* bridge attrs */
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static const struct val_name und_br_attrs[] = {
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{ 0, "IFLA_BR_UNSPEC" },
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{ 20, "IFLA_BR_GROUP_ADDR" },
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{ 21, "IFLA_BR_FDB_FLUSH" },
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{ 40, "IFLA_BR_PAD" },
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{ 45, "0x2d /* IFLA_BR_??? */" },
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};
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for (size_t k = 0; k < ARRAY_SIZE(und_br_attrs); k++) {
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TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
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und_br_attrs[k].val, und_br_attrs[k].name,
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unknown_msg, pattern,
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{ 2, "\"\\xab\\xac\"" },
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{ 4, "\"\\xab\\xac\\xdb\\xcd\"" },
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{ 6,
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"\"\\xab\\xac\\xdb\\xcd\\x61\\x62\"" },
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{ 8, "\"\\xab\\xac\\xdb\\xcd\\x61\\x62"
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"\\x63\\x64\"" },
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{ 10, "\"\\xab\\xac\\xdb\\xcd\\x61\\x62"
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"\\x63\\x64\\x65\\x66\"" });
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}
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static const struct val_name u64_br_attrs[] = {
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{ 16, "IFLA_BR_HELLO_TIMER" },
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{ 17, "IFLA_BR_TCN_TIMER" },
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{ 18, "IFLA_BR_TOPOLOGY_CHANGE_TIMER" },
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{ 19, "IFLA_BR_GC_TIMER" },
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{ 30, "IFLA_BR_MCAST_LAST_MEMBER_INTVL" },
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{ 31, "IFLA_BR_MCAST_MEMBERSHIP_INTVL" },
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{ 32, "IFLA_BR_MCAST_QUERIER_INTVL" },
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{ 33, "IFLA_BR_MCAST_QUERY_INTVL" },
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{ 34, "IFLA_BR_MCAST_QUERY_RESPONSE_INTVL" },
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{ 35, "IFLA_BR_MCAST_STARTUP_QUERY_INTVL" },
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};
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for (size_t k = 0; k < ARRAY_SIZE(u64_br_attrs); k++) {
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TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
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u64_br_attrs[k].val, u64_br_attrs[k].name,
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u64_val, pattern,
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{ 7, "\""
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#if WORDS_BIGENDIAN
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"\\xde\\xad\\xc0\\xde\\xfa\\xce\\xfe"
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#else
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"\\xed\\xfe\\xce\\xfa\\xde\\xc0\\xad"
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#endif
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"\"" },
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{ 8, "16045693111314087661" },
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{ 9, "16045693111314087661" });
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}
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static const struct val_name u32_br_attrs[] = {
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{ 1, "IFLA_BR_FORWARD_DELAY" },
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{ 2, "IFLA_BR_HELLO_TIME" },
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{ 3, "IFLA_BR_MAX_AGE" },
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{ 4, "IFLA_BR_AGEING_TIME" },
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{ 5, "IFLA_BR_STP_STATE" },
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{ 13, "IFLA_BR_ROOT_PATH_COST" },
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{ 26, "IFLA_BR_MCAST_HASH_ELASTICITY" },
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{ 27, "IFLA_BR_MCAST_HASH_MAX" },
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{ 28, "IFLA_BR_MCAST_LAST_MEMBER_CNT" },
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{ 29, "IFLA_BR_MCAST_STARTUP_QUERY_CNT" },
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};
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for (size_t k = 0; k < ARRAY_SIZE(u32_br_attrs); k++) {
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TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
u32_br_attrs[k].val, u32_br_attrs[k].name,
|
|
u32_val, pattern,
|
|
{ 3, "\""
|
|
#if WORDS_BIGENDIAN
|
|
"\\xba\\xdc\\x0d"
|
|
#else
|
|
"\\xed\\x0d\\xdc"
|
|
#endif
|
|
"\"" },
|
|
{ 4, "3134983661" },
|
|
{ 5, "3134983661" });
|
|
}
|
|
|
|
static const struct val_name u16_br_attrs[] = {
|
|
{ 6, "IFLA_BR_PRIORITY" },
|
|
{ 12, "IFLA_BR_ROOT_PORT" },
|
|
{ 39, "IFLA_BR_VLAN_DEFAULT_PVID" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(u16_br_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
u16_br_attrs[k].val, u16_br_attrs[k].name,
|
|
u16_val, pattern,
|
|
{ 1, "\""
|
|
#if WORDS_BIGENDIAN
|
|
"\\xde"
|
|
#else
|
|
"\\xed"
|
|
#endif
|
|
"\"" },
|
|
{ 2, "57069" },
|
|
{ 3, "57069" });
|
|
}
|
|
|
|
|
|
static const struct val_name x16_br_attrs[] = {
|
|
{ 9, "IFLA_BR_GROUP_FWD_MASK" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(x16_br_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
x16_br_attrs[k].val, x16_br_attrs[k].name,
|
|
u16_val, pattern,
|
|
{ 1, "\""
|
|
#if WORDS_BIGENDIAN
|
|
"\\xde"
|
|
#else
|
|
"\\xed"
|
|
#endif
|
|
"\"" },
|
|
{ 2, "0xdeed" },
|
|
{ 3, "0xdeed" });
|
|
}
|
|
|
|
static const struct val_name u8_br_attrs[] = {
|
|
{ 7, "IFLA_BR_VLAN_FILTERING" },
|
|
{ 14, "IFLA_BR_TOPOLOGY_CHANGE" },
|
|
{ 15, "IFLA_BR_TOPOLOGY_CHANGE_DETECTED" },
|
|
{ 22, "IFLA_BR_MCAST_ROUTER" },
|
|
{ 23, "IFLA_BR_MCAST_SNOOPING" },
|
|
{ 24, "IFLA_BR_MCAST_QUERY_USE_IFADDR" },
|
|
{ 25, "IFLA_BR_MCAST_QUERIER" },
|
|
{ 36, "IFLA_BR_NF_CALL_IPTABLES" },
|
|
{ 37, "IFLA_BR_NF_CALL_IP6TABLES" },
|
|
{ 38, "IFLA_BR_NF_CALL_ARPTABLES" },
|
|
{ 41, "IFLA_BR_VLAN_STATS_ENABLED" },
|
|
{ 42, "IFLA_BR_MCAST_STATS_ENABLED" },
|
|
{ 43, "IFLA_BR_MCAST_IGMP_VERSION" },
|
|
{ 44, "IFLA_BR_MCAST_MLD_VERSION" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(u8_br_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
u8_br_attrs[k].val, u8_br_attrs[k].name,
|
|
u8_val, pattern,
|
|
{ 0, NULL },
|
|
{ 1, "161" },
|
|
{ 2, "161" });
|
|
}
|
|
|
|
unsigned short eth_p = htons(0x88C7);
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
8, "IFLA_BR_VLAN_PROTOCOL",
|
|
eth_p, pattern,
|
|
{ 1, "\"\\x88\"" },
|
|
{ 2, "htons(ETH_P_PREAUTH)" },
|
|
{ 2, "htons(ETH_P_PREAUTH)" });
|
|
|
|
static const uint8_t bridge_id[]
|
|
= { 0xbe, 0xef, 0xfa, 0xce, 0xde, 0xc0, 0xde, 0xad };
|
|
static const struct val_name br_id_attrs[] = {
|
|
{ 10, "IFLA_BR_ROOT_ID" },
|
|
{ 11, "IFLA_BR_BRIDGE_ID" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(br_id_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "bridge",
|
|
br_id_attrs[k].val, br_id_attrs[k].name,
|
|
bridge_id, pattern,
|
|
{ 7, "\"\\xbe\\xef\\xfa\\xce"
|
|
"\\xde\\xc0\\xde\"" },
|
|
{ 8, "{prio=[190, 239]"
|
|
", addr=fa:ce:de:c0:de:ad}" },
|
|
{ 9, "{prio=[190, 239]"
|
|
", addr=fa:ce:de:c0:de:ad}" });
|
|
}
|
|
|
|
/* tun attrs */
|
|
static const struct val_name u8_tun_attrs[] = {
|
|
{ 4, "IFLA_TUN_PI" },
|
|
{ 5, "IFLA_TUN_VNET_HDR" },
|
|
{ 6, "IFLA_TUN_PERSIST" },
|
|
{ 7, "IFLA_TUN_MULTI_QUEUE" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(u8_tun_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
u8_tun_attrs[k].val, u8_tun_attrs[k].name,
|
|
u8_val, pattern,
|
|
{ 0, NULL },
|
|
{ 1, "161" },
|
|
{ 2, "161" });
|
|
}
|
|
|
|
static const struct val_name u32_tun_attrs[] = {
|
|
{ 8, "IFLA_TUN_NUM_QUEUES" },
|
|
{ 9, "IFLA_TUN_NUM_DISABLED_QUEUES" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(u32_tun_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
u32_tun_attrs[k].val,
|
|
u32_tun_attrs[k].name,
|
|
u32_val, pattern,
|
|
{ 3, "\""
|
|
#if WORDS_BIGENDIAN
|
|
"\\xba\\xdc\\x0d"
|
|
#else
|
|
"\\xed\\x0d\\xdc"
|
|
#endif
|
|
"\"" },
|
|
{ 4, "3134983661" },
|
|
{ 5, "3134983661" });
|
|
}
|
|
|
|
static const struct val_name und_tun_attrs[] = {
|
|
{ 0, "IFLA_TUN_UNSPEC" },
|
|
{ 10, "0xa /* IFLA_TUN_??? */" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(und_tun_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
und_tun_attrs[k].val,
|
|
und_tun_attrs[k].name,
|
|
unknown_msg, pattern,
|
|
{ 2, "\"\\xab\\xac\"" },
|
|
{ 4, "\"\\xab\\xac\\xdb\\xcd\"" },
|
|
{ 6,
|
|
"\"\\xab\\xac\\xdb\\xcd\\x61\\x62\"" },
|
|
{ 8, "\"\\xab\\xac\\xdb\\xcd\\x61\\x62"
|
|
"\\x63\\x64\"" },
|
|
{ 10, "\"\\xab\\xac\\xdb\\xcd\\x61\\x62"
|
|
"\\x63\\x64\\x65\\x66\"" });
|
|
}
|
|
|
|
static const uint32_t minus_one = 0xffffffffU;
|
|
static const struct val_name uid_tun_attrs[] = {
|
|
{ 1, "IFLA_TUN_OWNER" },
|
|
{ 2, "IFLA_TUN_GROUP" },
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(uid_tun_attrs); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
uid_tun_attrs[k].val,
|
|
uid_tun_attrs[k].name,
|
|
u32_val, pattern,
|
|
{ 3, "\""
|
|
#if WORDS_BIGENDIAN
|
|
"\\xba\\xdc\\x0d"
|
|
#else
|
|
"\\xed\\x0d\\xdc"
|
|
#endif
|
|
"\"" },
|
|
{ 4, "3134983661" },
|
|
{ 5, "3134983661" });
|
|
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
uid_tun_attrs[k].val,
|
|
uid_tun_attrs[k].name,
|
|
minus_one, pattern,
|
|
{ 3, "\"\\xff\\xff\\xff\"" },
|
|
{ 4, "-1" },
|
|
{ 5, "-1" });
|
|
}
|
|
|
|
static const struct {
|
|
uint8_t val;
|
|
const char *str;
|
|
} tun_types[] = {
|
|
{ 0, "0 /* IFF_??? */"},
|
|
{ 1, "IFF_TUN"},
|
|
{ 2, "IFF_TAP"},
|
|
{ 3, "0x3 /* IFF_??? */"},
|
|
{ 0xda, "0xda /* IFF_??? */"},
|
|
};
|
|
|
|
for (size_t k = 0; k < ARRAY_SIZE(tun_types); k++) {
|
|
TEST_NESTED_LINKINFO(fd, nlh0, 2, "IFLA_INFO_DATA", "tun",
|
|
3, "IFLA_TUN_TYPE",
|
|
tun_types[k].val, pattern,
|
|
{ 0, NULL },
|
|
{ 1, tun_types[k].str },
|
|
{ 2, tun_types[k].str });
|
|
}
|
|
|
|
|
|
/* IFLA_INFO_KIND + IFLA_INFO_XSTATS */
|
|
TEST_UNKNOWN_TUNNELS(fd, nlh0, IFLA_INFO_XSTATS, "IFLA_INFO_XSTATS",
|
|
unknown_msg, sizeof(unknown_msg),
|
|
{unsupported_tunnel_types COMMA
|
|
/*
|
|
* can decoder decodes its data only if it's big
|
|
* enough.
|
|
*/
|
|
unsupported_xstats_types COMMA
|
|
unsupported_data_types COMMA
|
|
NULL},
|
|
printf("\"\\xab\\xac\\xdb\\xcd\""));
|
|
|
|
uint32_t can_stats_data[] = {
|
|
0xbadc0de0, 0xbadc0de1, 0xbadc0de2, 0xbadc0de3,
|
|
0xbadc0de4, 0xbadc0de5,
|
|
};
|
|
|
|
TEST_LINKINFO(fd, nlh0, IFLA_INFO_XSTATS, "can",
|
|
can_stats_data, pattern, print_quoted_hex,
|
|
printf("{bus_error=3134983648"
|
|
", error_warning=3134983649"
|
|
", error_passive=3134983650"
|
|
", bus_off=3134983651"
|
|
", arbitration_lost=3134983652"
|
|
", restarts=3134983653}"));
|
|
|
|
|
|
/* IFLA_INFO_KIND + IFLA_INFO_SLVAE_KIND */
|
|
TEST_UNKNOWN_TUNNELS(fd, nlh0,
|
|
IFLA_INFO_SLAVE_KIND, "IFLA_INFO_SLAVE_KIND",
|
|
unknown_msg, sizeof(unknown_msg),
|
|
{unsupported_tunnel_types COMMA
|
|
unsupported_xstats_types COMMA
|
|
unsupported_data_types COMMA
|
|
NULL},
|
|
printf("\"\\253\\254\\333\\315\"..."));
|
|
|
|
|
|
/* IFLA_INFO_KIND + IFLA_INFO_SLAVE_DATA */
|
|
TEST_UNKNOWN_TUNNELS(fd, nlh0,
|
|
IFLA_INFO_SLAVE_DATA, "IFLA_INFO_SLAVE_DATA",
|
|
unknown_msg, sizeof(unknown_msg),
|
|
{unsupported_tunnel_types COMMA
|
|
unsupported_xstats_types COMMA
|
|
unsupported_data_types COMMA
|
|
NULL},
|
|
printf("\"\\xab\\xac\\xdb\\xcd\""));
|
|
|
|
|
|
/* IFLA_INFO_KIND + unknown type */
|
|
TEST_UNKNOWN_TUNNELS(fd, nlh0, 6, "0x6 /* IFLA_INFO_??? */",
|
|
unknown_msg, sizeof(unknown_msg),
|
|
{unsupported_tunnel_types COMMA
|
|
unsupported_xstats_types COMMA
|
|
unsupported_data_types COMMA
|
|
NULL},
|
|
printf("\"\\xab\\xac\\xdb\\xcd\""));
|
|
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|