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api.h
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api.h
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/*
p0f - API query code
--------------------
Copyright (C) 2012 by Michal Zalewski <[email protected]>
Distributed under the terms and conditions of GNU LGPL.
*/
#ifndef _HAVE_API_H
#define _HAVE_API_H
#include "types.h"
#define P0F_QUERY_MAGIC 0x50304601
#define P0F_RESP_MAGIC 0x50304602
#define P0F_STATUS_BADQUERY 0x00
#define P0F_STATUS_OK 0x10
#define P0F_STATUS_NOMATCH 0x20
#define P0F_ADDR_IPV4 0x04
#define P0F_ADDR_IPV6 0x06
#define P0F_STR_MAX 31
#define P0F_MATCH_FUZZY 0x01
#define P0F_MATCH_GENERIC 0x02
/* Keep these structures aligned to avoid architecture-specific padding. */
struct p0f_api_query {
u32 magic; /* Must be P0F_QUERY_MAGIC */
u8 addr_type; /* P0F_ADDR_* */
u8 addr[16]; /* IP address (big endian left align) */
} __attribute__((packed));
struct p0f_api_response {
u32 magic; /* Must be P0F_RESP_MAGIC */
u32 status; /* P0F_STATUS_* */
u32 first_seen; /* First seen (unix time) */
u32 last_seen; /* Last seen (unix time) */
u32 total_conn; /* Total connections seen */
u32 uptime_min; /* Last uptime (minutes) */
u32 up_mod_days; /* Uptime modulo (days) */
u32 last_nat; /* NAT / LB last detected (unix time) */
u32 last_chg; /* OS chg last detected (unix time) */
s16 distance; /* System distance */
u8 bad_sw; /* Host is lying about U-A / Server */
u8 os_match_q; /* Match quality */
u8 os_name[P0F_STR_MAX + 1]; /* Name of detected OS */
u8 os_flavor[P0F_STR_MAX + 1]; /* Flavor of detected OS */
u8 http_name[P0F_STR_MAX + 1]; /* Name of detected HTTP app */
u8 http_flavor[P0F_STR_MAX + 1]; /* Flavor of detected HTTP app */
u16 link_mtu; /* Link MTU value */
u8 link_type[P0F_STR_MAX + 1]; /* Link type */
u8 language[P0F_STR_MAX + 1]; /* Language */
} __attribute__((packed));
#ifdef _FROM_P0F
void handle_query(struct p0f_api_query* q, struct p0f_api_response* r);
#endif /* _FROM_API */
#endif /* !_HAVE_API_H */