src/xsys.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2009, 2010 Daniel Borkmann.
   5  * Copyright 2009, 2010 Emmanuel Roullit.
   6  * Subject to the GPL, version 2.
   7  */
   8
   9 #ifndef XSYS_H
  10 #define XSYS_H
  11
  12 #define _GNU_SOURCE
  13 #include <poll.h>
  14 #include <sys/poll.h>
  15 #include <errno.h>
  16 #include <sys/socket.h>
  17 #include <unistd.h>
  18 #include <linux/ethtool.h>
  19 #include <linux/if.h>
  20 #include <linux/wireless.h>
  21 #include <termios.h>
  22
  23 #include "die.h"
  24
  25 #define DEFAULT_TTY_SIZE        80
  26
  27 #define __reset         "0"
  28 #define __bold          "1"
  29 #define __black         "30"
  30 #define __red           "31"
  31 #define __green         "32"
  32 #define __yellow        "33"
  33 #define __blue          "34"
  34 #define __magenta       "35"
  35 #define __cyan          "36"
  36 #define __white         "37"
  37 #define __on_black      "40"
  38 #define __on_red        "41"
  39 #define __on_green      "42"
  40 #define __on_yellow     "43"
  41 #define __on_blue       "44"
  42 #define __on_magenta    "45"
  43 #define __on_cyan       "46"
  44 #define __on_white      "47"
  45
  46 #define colorize_start(fore)            "\033[" __##fore "m"
  47 #define colorize_start_full(fore, back) "\033[" __##fore ";" __on_##back "m"
  48 #define colorize_end()                  "\033[" __reset "m"
  49 #define colorize_str(fore, text)                                     \
  50                 colorize_start(fore) text colorize_end()
  51 #define colorize_full_str(fore, back, text)                          \
  52                 colorize_start_full(fore, back) text colorize_end()
  53
  54 #ifndef POLLRDNORM
  55 # define POLLRDNORM     0x0040
  56 #endif
  57 #ifndef POLLWRNORM
  58 # define POLLWRNORM     0x0100
  59 #endif
  60 #ifndef POLLRDHUP
  61 # define POLLRDHUP      0x2000
  62 #endif
  63 #define POLL_NEXT_PKT   0
  64 #define POLL_MOVE_OUT   1
  65
  66 static inline void prepare_polling(int sock, struct pollfd *pfd)
  67 {
  68         memset(pfd, 0, sizeof(*pfd));
  69         pfd->fd = sock;
  70         pfd->revents = 0;
  71         pfd->events = POLLIN | POLLRDNORM | POLLERR;
  72 }
  73
  74 extern int af_socket(int af);
  75 extern int af_raw_socket(int af, int proto);
  76 extern int pf_socket(void);
  77 extern int wireless_bitrate(const char *ifname);
  78 extern int wireless_essid(const char *ifname, char *essid);
  79 extern int adjust_dbm_level(int dbm_val);
  80 extern int dbm_to_mwatt(const int in);
  81 extern int wireless_tx_power(const char *ifname);
  82 extern int wireless_sigqual(const char *ifname, struct iw_statistics *stats);
  83 extern int wireless_rangemax_sigqual(const char *ifname);
  84 extern int ethtool_bitrate(const char *ifname);
  85 extern int ethtool_drvinf(const char *ifname, struct ethtool_drvinfo *drvinf);
  86 extern int device_bitrate(const char *ifname);
  87 extern int device_mtu(const char *ifname);
  88 extern int device_address(const char *ifname, int af,
  89                           struct sockaddr_storage *ss);
  90 extern int device_irq_number(const char *ifname);
  91 extern int device_bind_irq_to_cpu(int irq, int cpu);
  92 extern void sock_print_net_stats(int sock);
  93 extern int device_ifindex(const char *ifname);
  94 extern short device_get_flags(const char *ifname);
  95 extern void device_set_flags(const char *ifname, const short flags);
  96 extern int set_nonblocking(int fd);
  97 extern int set_nonblocking_sloppy(int fd);
  98 extern int set_reuseaddr(int fd);
  99 extern void register_signal(int signal, void (*handler)(int));
 100 extern void register_signal_f(int signal, void (*handler)(int), int flags);
 101 extern int get_tty_size(void);
 102 extern void check_for_root_maybe_die(void);
 103 extern short enter_promiscuous_mode(char *ifname);
 104 extern void leave_promiscuous_mode(char *ifname, short oldflags);
 105 extern int device_up(char *ifname);
 106 extern int device_running(char *ifname);
 107 extern int device_up_and_running(char *ifname);
 108 extern int poll_error_maybe_die(int sock, struct pollfd *pfd);
 109
 110 #endif /* XSYS_H */