xutils.h

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * Copyright 2009, 2010 Daniel Borkmann.
   4  * Copyright 2009, 2010 Emmanuel Roullit.
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #ifndef XSYS_H
   9 #define XSYS_H
  10
  11 #define _GNU_SOURCE
  12 #include <errno.h>
  13 #include <stdint.h>
  14 #include <sys/socket.h>
  15 #include <unistd.h>
  16 #include <linux/ethtool.h>
  17 #include <linux/if.h>
  18 #include <linux/wireless.h>
  19 #include <poll.h>
  20 #include <sys/poll.h>
  21 #include <sched.h>
  22 #include <stdbool.h>
  23 #include <sys/resource.h>
  24 #include <sys/time.h>
  25
  26 #include "built_in.h"
  27
  28 extern int af_socket(int af);
  29 extern int pf_socket(void);
  30 extern int wireless_sigqual(const char *ifname, struct iw_statistics *stats);
  31 extern int wireless_rangemax_sigqual(const char *ifname);
  32 extern u32 wireless_bitrate(const char *ifname);
  33 extern u32 ethtool_bitrate(const char *ifname);
  34 extern u32 device_bitrate(const char *ifname);
  35 extern int ethtool_drvinf(const char *ifname, struct ethtool_drvinfo *drvinf);
  36 extern int ethtool_link(const char *ifname);
  37 extern int device_mtu(const char *ifname);
  38 extern int device_address(const char *ifname, int af, struct sockaddr_storage *ss);
  39 extern int device_ifindex(const char *ifname);
  40 extern short device_get_flags(const char *ifname);
  41 extern void device_set_flags(const char *ifname, const short flags);
  42 extern void drop_privileges(bool enforce, uid_t uid, gid_t gid);
  43 extern void xlockme(void);
  44 extern void xunlockme(void);
  45 extern void set_nonblocking(int fd);
  46 extern int set_nonblocking_sloppy(int fd);
  47 extern int set_reuseaddr(int fd);
  48 extern void set_sock_prio(int fd, int prio);
  49 extern void set_tcp_cork(int fd);
  50 extern void set_tcp_uncork(int fd);
  51 extern void set_udp_cork(int fd);
  52 extern void set_udp_uncork(int fd);
  53 extern void set_sock_cork(int fd, int udp);
  54 extern void set_sock_uncork(int fd, int udp);
  55 extern void set_tcp_nodelay(int fd);
  56 extern void set_socket_keepalive(int fd);
  57 extern int set_ipv6_only(int fd);
  58 extern void set_mtu_disc_dont(int fd);
  59 extern int get_system_socket_mem(int which);
  60 extern void set_system_socket_mem(int which, int val);
  61 extern void register_signal(int signal, void (*handler)(int));
  62 extern void register_signal_f(int signal, void (*handler)(int), int flags);
  63 extern short enter_promiscuous_mode(char *ifname);
  64 extern void leave_promiscuous_mode(char *ifname, short oldflags);
  65 extern int device_up_and_running(char *ifname);
  66 extern void set_epoll_descriptor(int fd_epoll, int action, int fd_toadd, int events);
  67 extern int set_epoll_descriptor2(int fd_epoll, int action, int fd_toadd, int events);
  68 extern void cpu_affinity(int cpu);
  69 extern int set_cpu_affinity(char *str, int inverted);
  70 extern int set_proc_prio(int prio);
  71 extern int set_sched_status(int policy, int priority);
  72 extern size_t strlcpy(char *dest, const char *src, size_t size);
  73 extern int slprintf(char *dst, size_t size, const char *fmt, ...)  __check_format_printf(3, 4);
  74 extern int slprintf_nocheck(char *dst, size_t size, const char *fmt, ...);
  75 extern noinline void *xmemset(void *s, int c, size_t n);
  76 extern char *strtrim_right(char *p, char c);
  77 extern int get_default_sched_policy(void);
  78 extern int get_default_sched_prio(void);
  79 extern int get_number_cpus(void);
  80 extern int get_number_cpus_online(void);
  81 extern int get_default_proc_prio(void);
  82 extern void set_system_socket_memory(int *vals, size_t len);
  83 extern void reset_system_socket_memory(int *vals, size_t len);
  84 extern void set_itimer_interval_value(struct itimerval *itimer, unsigned long sec,
  85                                       unsigned long usec);
  86
  87 #endif /* XSYS_H */