171 lines
6.4 KiB
C
171 lines
6.4 KiB
C
/*
|
|
* This file is part of the rtap localisation project.
|
|
*/
|
|
|
|
#ifndef _OWLPS_LISTENER_H_
|
|
#define _OWLPS_LISTENER_H_
|
|
|
|
/* Compilation-time options: to activate, uncomment or compile with -D
|
|
* option.
|
|
*/
|
|
//#define USE_CONFIG_FILE // Use libconfuse to read a config file
|
|
//#define USE_PTHREAD // POSIX threads available?
|
|
|
|
#define DEBUG
|
|
|
|
|
|
#include "../../libowlps/owlps.h"
|
|
#include "../libowlps-client/owlps-client.h"
|
|
|
|
#include <pcap.h>
|
|
|
|
#ifdef USE_CONFIG_FILE
|
|
# include <confuse.h>
|
|
#endif // USE_CONFIG_FILE
|
|
|
|
#ifdef USE_PTHREAD
|
|
# include <pthread.h>
|
|
#endif // USE_PTHREAD
|
|
|
|
#include <endian.h>
|
|
/* <endian.h> defines le32toh only in glibc >= 2.9. If we use an older
|
|
* version of glibc, or another libc (e.g. uClibc), we must define it
|
|
* manually.
|
|
*/
|
|
#ifndef le32toh
|
|
# if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# define le32toh(x) (x)
|
|
# else // __BYTE_ORDER == __LITTLE_ENDIAN
|
|
# include <byteswap.h>
|
|
# define le32toh(x) bswap_32(x)
|
|
# endif // __BYTE_ORDER == __LITTLE_ENDIAN
|
|
#endif // le32toh
|
|
|
|
// Used by get_mac_addr():
|
|
#include <netinet/if_ether.h>
|
|
#include <netinet/udp.h>
|
|
#include <netinet/ip.h>
|
|
|
|
|
|
/* Arguments & program configuration */
|
|
#define OPTIONS "Aa:d:f:hH:kl:m:n:p:qr:t:vw:" // getopt string
|
|
#define DEFAULT_CONFIG_FILE "/usr/local/etc/owlps/owlps-listener.conf"
|
|
enum {MODE_ACTIVE = 'a', MODE_PASSIVE = 'p', MODE_MIXED = 'm'} ;
|
|
#define AUTOCALIBRATION_DEFAULT_HELLO_DELAY 120 // seconds
|
|
#define AUTOCALIBRATION_DEFAULT_DELAY 25000 // ms
|
|
#define AUTOCALIBRATION_DEFAULT_NBPKT 20
|
|
|
|
|
|
/* Error codes */
|
|
#define ERR_OPENING_IFACE 2 // Error when opening capture interface
|
|
#define ERR_BAD_USAGE 3 // Bad program call
|
|
#define ERR_PARSING_CONFIG_FILE 4 // Error reading the configuration file
|
|
|
|
|
|
/* Function headers */
|
|
void initialise_configuration(int argc, char **argv) ;
|
|
void parse_config_file(int argc, char **argv) ;
|
|
void parse_command_line(int argc, char **argv) ;
|
|
void check_configuration(void) ;
|
|
#ifdef DEBUG
|
|
void print_configuration(void) ;
|
|
#endif // DEBUG
|
|
|
|
#ifdef USE_PTHREAD
|
|
void keep_mode_monitor(char *iface) ;
|
|
#endif // USE_PTHREAD
|
|
int capture(void) ;
|
|
void read_packet(u_char *args, const struct pcap_pkthdr *header,
|
|
const u_char *packet) ;
|
|
void get_mac_addr(char *eth, unsigned char mac_bytes[6]) ;
|
|
|
|
#ifdef USE_PTHREAD
|
|
void autocalibrate(void) ;
|
|
void autocalibrate_hello(void) ;
|
|
void send_autocalibration_request(void) ;
|
|
int make_packet(char **packet) ;
|
|
#endif // USE_PTHREAD
|
|
|
|
void print_usage(void) ;
|
|
|
|
|
|
/* Macros to allow switching option handling with the libconfuse
|
|
* structure and a home-made structure (if program is not compiled
|
|
* with libconfuse support).
|
|
*/
|
|
/* libconfuse macros */
|
|
#ifdef USE_CONFIG_FILE
|
|
#define SET_MODE(MODE) (cfg_setint(cfg, "mode", (MODE)))
|
|
#define GET_MODE() (cfg_getint(cfg, "mode"))
|
|
#define SET_AGGREGATION_IP(IP) (cfg_setstr(cfg, "aggregation_ip", (IP)))
|
|
#define GET_AGGREGATION_IP() (cfg_getstr(cfg, "aggregation_ip"))
|
|
#ifdef USE_PTHREAD
|
|
#define SET_KEEP_MONITOR() (cfg_setbool(cfg, "keep_monitor", cfg_true))
|
|
#define GET_KEEP_MONITOR() (cfg_getbool(cfg, "keep_monitor"))
|
|
#endif // USE_PTHREAD
|
|
#define SET_AGGREGATION_PORT(PORT) (cfg_setint(cfg, "aggregation_port", (PORT)))
|
|
#define GET_AGGREGATION_PORT() (cfg_getint(cfg, "aggregation_port"))
|
|
#define SET_LISTENING_PORT(PORT) (cfg_setint(cfg, "listening_port", (PORT)))
|
|
#define GET_LISTENING_PORT() (cfg_getint(cfg, "listening_port"))
|
|
#define SET_RTAP_IFACE(IFACE) (cfg_setstr(cfg, "rtap_iface", (IFACE)))
|
|
#define GET_RTAP_IFACE() (cfg_getstr(cfg, "rtap_iface"))
|
|
#define SET_WIFI_IFACE(IFACE) (cfg_setstr(cfg, "wifi_iface", (IFACE)))
|
|
#define GET_WIFI_IFACE() (cfg_getstr(cfg, "wifi_iface"))
|
|
|
|
#ifdef USE_PTHREAD
|
|
#define SET_AUTOCALIBRATION() (cfg_setbool(cfg, "autocalibration", cfg_true))
|
|
#define GET_AUTOCALIBRATION() (cfg_getbool(cfg, "autocalibration"))
|
|
#define SET_AUTOCALIBRATION_PORT(PORT) (cfg_setint(cfg, "autocalibration_port", (PORT)))
|
|
#define GET_AUTOCALIBRATION_PORT() (cfg_getint(cfg, "autocalibration_port"))
|
|
#define SET_AUTOCALIBRATION_HELLO_DELAY(DELAY) (cfg_setint(cfg, "autocalibration_hello_delay", (DELAY)))
|
|
#define GET_AUTOCALIBRATION_HELLO_DELAY() (cfg_getint(cfg, "autocalibration_hello_delay"))
|
|
#define SET_AUTOCALIBRATION_DELAY(DELAY) (cfg_setint(cfg, "autocalibration_delay", (DELAY)))
|
|
#define GET_AUTOCALIBRATION_DELAY() (cfg_getint(cfg, "autocalibration_delay"))
|
|
#define SET_AUTOCALIBRATION_NBPKT(NBPKT) (cfg_setint(cfg, "autocalibration_nb_packets", (NBPKT)))
|
|
#define GET_AUTOCALIBRATION_NBPKT() (cfg_getint(cfg, "autocalibration_nb_packets"))
|
|
#endif // USE_PTHREAD
|
|
|
|
#define SET_VERBOSE() (cfg_setbool(cfg, "verbose", cfg_true))
|
|
#define UNSET_VERBOSE() (cfg_setbool(cfg, "verbose", cfg_false))
|
|
#define GET_VERBOSE() (cfg_getbool(cfg, "verbose"))
|
|
|
|
/* Home-made structure macros */
|
|
#else // USE_CONFIG_FILE
|
|
#define SET_MODE(MODE) (options.mode = (MODE))
|
|
#define GET_MODE() (options.mode)
|
|
#define SET_AGGREGATION_IP(IP) (strncpy(options.aggregation_ip, (IP), 16))
|
|
#define GET_AGGREGATION_IP() (options.aggregation_ip)
|
|
#ifdef USE_PTHREAD
|
|
#define SET_KEEP_MONITOR() (options.keep_monitor = TRUE)
|
|
#define GET_KEEP_MONITOR() (options.keep_monitor)
|
|
#endif // USE_PTHREAD
|
|
#define SET_AGGREGATION_PORT(PORT) (options.aggregation_port = (PORT))
|
|
#define GET_AGGREGATION_PORT() (options.aggregation_port)
|
|
#define SET_LISTENING_PORT(PORT) (options.listening_port = (PORT))
|
|
#define GET_LISTENING_PORT() (options.listening_port)
|
|
#define SET_RTAP_IFACE(IFACE) (strncpy(options.rtap_iface, (IFACE), IFNAMSIZ+1))
|
|
#define GET_RTAP_IFACE() (options.rtap_iface)
|
|
#define SET_WIFI_IFACE(IFACE) (strncpy(options.wifi_iface, (IFACE), IFNAMSIZ+1))
|
|
#define GET_WIFI_IFACE() (options.wifi_iface)
|
|
|
|
#ifdef USE_PTHREAD
|
|
#define SET_AUTOCALIBRATION() (options.autocalibration = TRUE)
|
|
#define GET_AUTOCALIBRATION() (options.autocalibration)
|
|
#define SET_AUTOCALIBRATION_PORT(PORT) (options.autocalibration_port = (PORT))
|
|
#define GET_AUTOCALIBRATION_PORT() (options.autocalibration_port)
|
|
#define SET_AUTOCALIBRATION_HELLO_DELAY(DELAY) (options.autocalibration_hello_delay = (DELAY))
|
|
#define GET_AUTOCALIBRATION_HELLO_DELAY() (options.autocalibration_hello_delay)
|
|
#define SET_AUTOCALIBRATION_DELAY(DELAY) (options.autocalibration_delay = (DELAY))
|
|
#define GET_AUTOCALIBRATION_DELAY() (options.autocalibration_delay)
|
|
#define SET_AUTOCALIBRATION_NBPKT(NBPKT) (options.autocalibration_nb_packets = (NBPKT))
|
|
#define GET_AUTOCALIBRATION_NBPKT() (options.autocalibration_nb_packets)
|
|
#endif // USE_PTHREAD
|
|
|
|
#define SET_VERBOSE() (options.verbose = TRUE)
|
|
#define UNSET_VERBOSE() (options.verbose = FALSE)
|
|
#define GET_VERBOSE() (options.verbose)
|
|
#endif // USE_CONFIG_FILE
|
|
|
|
|
|
#endif // _OWLPS_LISTENER_H_
|