/usr/src/xtables-addons-3.0/extensions/compat_xtables.h is in xtables-addons-dkms 3.0-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #ifndef _XTABLES_COMPAT_H
#define _XTABLES_COMPAT_H 1
#include <linux/kernel.h>
#include <linux/version.h>
#include "compat_skbuff.h"
#include "compat_xtnu.h"
#define DEBUGP Use__pr_debug__instead
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
# warning Kernels below 4.15 not supported.
#endif
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
# if !defined(CONFIG_NF_CONNTRACK_MARK)
# warning You have CONFIG_NF_CONNTRACK enabled, but CONFIG_NF_CONNTRACK_MARK is not (please enable).
# endif
# include <net/netfilter/nf_conntrack.h>
#else
# warning You need CONFIG_NF_CONNTRACK.
#endif
#if !defined(NIP6) && !defined(NIP6_FMT)
# define NIP6(addr) \
ntohs((addr).s6_addr16[0]), \
ntohs((addr).s6_addr16[1]), \
ntohs((addr).s6_addr16[2]), \
ntohs((addr).s6_addr16[3]), \
ntohs((addr).s6_addr16[4]), \
ntohs((addr).s6_addr16[5]), \
ntohs((addr).s6_addr16[6]), \
ntohs((addr).s6_addr16[7])
# define NIP6_FMT "%04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx:%04hx"
#endif
#if !defined(NIPQUAD) && !defined(NIPQUAD_FMT)
# define NIPQUAD(addr) \
((const unsigned char *)&addr)[0], \
((const unsigned char *)&addr)[1], \
((const unsigned char *)&addr)[2], \
((const unsigned char *)&addr)[3]
# define NIPQUAD_FMT "%hhu.%hhu.%hhu.%hhu"
#endif
static inline struct net *par_net(const struct xt_action_param *par)
{
return par->state->net;
}
#ifndef NF_CT_ASSERT
# define NF_CT_ASSERT(x) WARN_ON(!(x))
#endif
#endif /* _XTABLES_COMPAT_H */
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