/usr/include/re/re_natbd.h is in libre-dev 0.4.14-4.
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 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | /**
* @file re_natbd.h NAT Behavior Discovery Using STUN (RFC 5780)
*
* Copyright (C) 2010 Creytiv.com
*/
/** NAT Mapping/Filtering types - See RFC 4787 for definitions */
enum nat_type {
NAT_TYPE_UNKNOWN = 0, /**< Unknown type */
NAT_TYPE_ENDP_INDEP = 1, /**< Endpoint-Independent */
NAT_TYPE_ADDR_DEP = 2, /**< Address-Dependent */
NAT_TYPE_ADDR_PORT_DEP = 3 /**< Address and Port-Dependent */
};
/* Strings */
const char *nat_type_str(enum nat_type type);
/*
* Diagnosing NAT Hairpinning
*/
struct nat_hairpinning;
/**
* Defines the NAT Hairpinning handler
*/
typedef void (nat_hairpinning_h)(int err, bool supported, void *arg);
int nat_hairpinning_alloc(struct nat_hairpinning **nhp,
const struct sa *srv, int proto,
const struct stun_conf *conf,
nat_hairpinning_h *hph, void *arg);
int nat_hairpinning_start(struct nat_hairpinning *nh);
/*
* Determining NAT Mapping Behavior
*/
struct nat_mapping;
/**
* Defines the NAT Mapping handler
*
* @param err Errorcode
* @param type NAT Mapping type
* @param arg Handler argument
*/
typedef void (nat_mapping_h)(int err, enum nat_type map, void *arg);
int nat_mapping_alloc(struct nat_mapping **nmp, const struct sa *laddr,
const struct sa *srv, int proto,
const struct stun_conf *conf,
nat_mapping_h *mh, void *arg);
int nat_mapping_start(struct nat_mapping *nm);
/*
* Determining NAT Filtering Behavior
*/
struct nat_filtering;
/**
* Defines the NAT Filtering handler
*
* @param err Errorcode
* @param type NAT Filtering type
* @param arg Handler argument
*/
typedef void (nat_filtering_h)(int err, enum nat_type filt, void *arg);
int nat_filtering_alloc(struct nat_filtering **nfp, const struct sa *srv,
const struct stun_conf *conf,
nat_filtering_h *fh, void *arg);
int nat_filtering_start(struct nat_filtering *nf);
/*
* Binding Lifetime Discovery
*/
struct nat_lifetime;
/** Defines the NAT lifetime interval */
struct nat_lifetime_interval {
uint32_t min; /**< Minimum lifetime interval in [seconds] */
uint32_t cur; /**< Current lifetime interval in [seconds] */
uint32_t max; /**< Maximum lifetime interval in [seconds] */
};
/**
* Defines the NAT Lifetime handler
*
* @param err Errorcode
* @param i NAT Lifetime intervals
* @param arg Handler argument
*/
typedef void (nat_lifetime_h)(int err, const struct nat_lifetime_interval *i,
void *arg);
int nat_lifetime_alloc(struct nat_lifetime **nlp, const struct sa *srv,
uint32_t interval, const struct stun_conf *conf,
nat_lifetime_h *lh, void *arg);
int nat_lifetime_start(struct nat_lifetime *nl);
/*
* Detecting Generic ALGs
*/
struct nat_genalg;
/**
* Defines the NAT Generic ALG handler
*
* @param err Errorcode
* @param errcode STUN Error code (if set)
* @param status Generic ALG status (-1=not detected, 1=detected)
* @param map Mapped network address
* @param arg Handler argument
*/
typedef void (nat_genalg_h)(int err, uint16_t scode, const char *reason,
int status, const struct sa *map, void *arg);
int nat_genalg_alloc(struct nat_genalg **ngp, const struct sa *srv, int proto,
const struct stun_conf *conf,
nat_genalg_h *gh, void *arg);
int nat_genalg_start(struct nat_genalg *ng);
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