/usr/src/xtables-addons-2.10/extensions/xt_ipv4options.h is in xtables-addons-dkms 2.10-1build1.
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 | #ifndef _LINUX_NETFILTER_XT_IPV4OPTIONS_H
#define _LINUX_NETFILTER_XT_IPV4OPTIONS_H 1
/* IPv4 allows for a 5-bit option number - 32 options */
/**
* %XT_V4OPTS_ALL: all options in @map must be present (respecting @invert)
* %XT_V4OPTS_ANY: any of the option in @map
*/
enum xt_ipv4options_flags {
XT_V4OPTS_ALL = 1 << 0,
XT_V4OPTS_ANY = 1 << 1,
};
/**
* @map: bitmask of options that should appear
* @invert: inversion map
* @flags: see above
*/
struct xt_ipv4options_mtinfo1 {
__u32 map;
__u32 invert;
__u8 flags;
};
#endif /* _LINUX_NETFILTER_XT_IPV4OPTIONS_H */
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