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xtables-arp.c File Reference
#include <getopt.h>
#include <string.h>
#include <netdb.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <dlfcn.h>
#include <ctype.h>
#include <stdarg.h>
#include <limits.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <net/if.h>
#include <netinet/ether.h>
#include <xtables.h>
#include "xshared.h"
#include "nft.h"
#include "nft-arp.h"
#include <linux/netfilter_arp/arp_tables.h>
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Data Structures

struct  pprot
 

Macros

#define TRUE   1
 
#define FALSE   0
 
#define CMD_NONE   0x0000U
 
#define CMD_INSERT   0x0001U
 
#define CMD_DELETE   0x0002U
 
#define CMD_DELETE_NUM   0x0004U
 
#define CMD_REPLACE   0x0008U
 
#define CMD_APPEND   0x0010U
 
#define CMD_LIST   0x0020U
 
#define CMD_FLUSH   0x0040U
 
#define CMD_ZERO   0x0080U
 
#define CMD_NEW_CHAIN   0x0100U
 
#define CMD_DELETE_CHAIN   0x0200U
 
#define CMD_SET_POLICY   0x0400U
 
#define CMD_CHECK   0x0800U
 
#define CMD_RENAME_CHAIN   0x1000U
 
#define NUMBER_OF_CMD   13
 
#define OPTION_OFFSET   256
 
#define OPT_NONE   0x00000U
 
#define OPT_NUMERIC   0x00001U
 
#define OPT_S_IP   0x00002U
 
#define OPT_D_IP   0x00004U
 
#define OPT_S_MAC   0x00008U
 
#define OPT_D_MAC   0x00010U
 
#define OPT_H_LENGTH   0x00020U
 
#define OPT_P_LENGTH   0x00040U
 
#define OPT_OPCODE   0x00080U
 
#define OPT_H_TYPE   0x00100U
 
#define OPT_P_TYPE   0x00200U
 
#define OPT_JUMP   0x00400U
 
#define OPT_VERBOSE   0x00800U
 
#define OPT_VIANAMEIN   0x01000U
 
#define OPT_VIANAMEOUT   0x02000U
 
#define OPT_LINENUMBERS   0x04000U
 
#define OPT_COUNTERS   0x08000U
 
#define NUMBER_OF_OPT   16
 

Typedefs

typedef char arpt_chainlabel [32]
 

Functions

void xtables_exit_error (enum xtables_exittype status, const char *msg,...)
 
int do_commandarp (struct nft_handle *h, int argc, char *argv[], char **table)
 

Variables

int RUNTIME_NF_ARP_NUMHOOKS = 3
 
struct xtables_globals xtables_globals
 
const char * program_version = XTABLES_VERSION
 
const char * program_name = "arptables"
 
unsigned char mac_type_unicast [ETH_ALEN] = {0,0,0,0,0,0}
 
unsigned char msk_type_unicast [ETH_ALEN] = {1,0,0,0,0,0}
 
unsigned char mac_type_multicast [ETH_ALEN] = {1,0,0,0,0,0}
 
unsigned char msk_type_multicast [ETH_ALEN] = {1,0,0,0,0,0}
 
unsigned char mac_type_broadcast [ETH_ALEN] = {255,255,255,255,255,255}
 
unsigned char msk_type_broadcast [ETH_ALEN] = {255,255,255,255,255,255}
 

Macro Definition Documentation

#define CMD_APPEND   0x0010U

Referenced by do_commandarp().

#define CMD_CHECK   0x0800U
#define CMD_DELETE   0x0002U

Referenced by do_commandarp().

#define CMD_DELETE_CHAIN   0x0200U

Referenced by do_commandarp().

#define CMD_DELETE_NUM   0x0004U

Referenced by do_commandarp().

#define CMD_FLUSH   0x0040U

Referenced by do_commandarp().

#define CMD_INSERT   0x0001U

Referenced by do_commandarp().

#define CMD_LIST   0x0020U

Referenced by do_commandarp().

#define CMD_NEW_CHAIN   0x0100U

Referenced by do_commandarp().

#define CMD_NONE   0x0000U

Referenced by do_commandarp().

#define CMD_RENAME_CHAIN   0x1000U

Referenced by do_commandarp().

#define CMD_REPLACE   0x0008U

Referenced by do_commandarp().

#define CMD_SET_POLICY   0x0400U

Referenced by do_commandarp().

#define CMD_ZERO   0x0080U

Referenced by do_commandarp().

#define FALSE   0

Referenced by do_commandarp().

#define NUMBER_OF_CMD   13
#define NUMBER_OF_OPT   16
#define OPT_COUNTERS   0x08000U

Referenced by do_commandarp().

#define OPT_D_IP   0x00004U

Referenced by do_commandarp().

#define OPT_D_MAC   0x00010U

Referenced by do_commandarp().

#define OPT_H_LENGTH   0x00020U

Referenced by do_commandarp().

#define OPT_H_TYPE   0x00100U

Referenced by do_commandarp().

#define OPT_JUMP   0x00400U

Referenced by do_commandarp().

#define OPT_LINENUMBERS   0x04000U

Referenced by do_commandarp().

#define OPT_NONE   0x00000U
#define OPT_NUMERIC   0x00001U

Referenced by do_commandarp().

#define OPT_OPCODE   0x00080U

Referenced by do_commandarp().

#define OPT_P_LENGTH   0x00040U
#define OPT_P_TYPE   0x00200U

Referenced by do_commandarp().

#define OPT_S_IP   0x00002U

Referenced by do_commandarp().

#define OPT_S_MAC   0x00008U

Referenced by do_commandarp().

#define OPT_VERBOSE   0x00800U

Referenced by do_commandarp().

#define OPT_VIANAMEIN   0x01000U

Referenced by do_commandarp().

#define OPT_VIANAMEOUT   0x02000U

Referenced by do_commandarp().

#define OPTION_OFFSET   256
#define TRUE   1

Referenced by do_commandarp().

Typedef Documentation

typedef char arpt_chainlabel[32]

Function Documentation

int do_commandarp ( struct nft_handle *  h,
int  argc,
char *  argv[],
char **  table 
)

References arpt_devaddr_info::addr, arpt_arp::arhln, arpt_arp::arhln_mask, arpt_arp::arhrd, arpt_arp::arhrd_mask, arpt_entry::arp, arpt_arp::arpop, arpt_arp::arpop_mask, arpt_arp::arpro, arpt_arp::arpro_mask, ARPT_FUNCTION_MAXNAMELEN, ARPT_INV_SRCIP, ARPT_INV_TGTIP, arpt_counters::bcnt, check_inverse(), CMD_APPEND, CMD_DELETE, CMD_DELETE_CHAIN, CMD_DELETE_NUM, CMD_FLUSH, CMD_INSERT, CMD_LIST, CMD_NEW_CHAIN, CMD_NONE, CMD_RENAME_CHAIN, CMD_REPLACE, CMD_SET_POLICY, CMD_ZERO, arpt_entry::counters, exit_printhelp(), exit_tryhelp(), FALSE, nft_handle::family, arptables_command_state::fw, generic_opt_check(), get16_and_mask(), getlength_and_mask(), getmac_and_mask(), arpt_arp::iniface, arpt_arp::iniface_mask, arpt_arp::invflags, arptables_command_state::jumpto, arpt_devaddr_info::mask, xtables_target::next, nft_chain_set(), nft_chain_user_add(), nft_chain_user_del(), nft_chain_user_rename(), nft_chain_zero_counters(), nft_family_ops_lookup(), nft_init(), nft_rule_delete_num(), nft_rule_flush(), NULL, NUMOPCODES, opcodes, nft_handle::ops, OPT_COUNTERS, OPT_D_IP, OPT_D_MAC, OPT_H_LENGTH, OPT_H_TYPE, OPT_JUMP, OPT_LINENUMBERS, OPT_NUMERIC, OPT_OPCODE, OPT_P_TYPE, OPT_S_IP, OPT_S_MAC, OPT_VERBOSE, OPT_VIANAMEIN, OPT_VIANAMEOUT, opts, xtables_globals::orig_opts, OTHER_PROBLEM, arpt_arp::outiface, arpt_arp::outiface_mask, PARAMETER_PROBLEM, parse_hostnetworkmask(), arpt_counters::pcnt, program_name, program_version, size, arpt_arp::src_devaddr, xtables_target::t, arptables_command_state::target, arpt_entry_target::target, xtables_target::tflags, arpt_arp::tgt_devaddr, arpt_arp::tmsk, TRUE, xtables_target::used, XT_STANDARD_TARGET, xtables_arp, xtables_calloc(), xtables_error, xtables_find_target(), xtables_option_tfcall(), xtables_option_tpcall(), xtables_targets, XTF_LOAD_MUST_SUCCEED, and XTF_TRY_LOAD.

Referenced by xtables_arp_main().

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void xtables_exit_error ( enum xtables_exittype  status,
const char *  msg,
  ... 
)

References exit_tryhelp(), PARAMETER_PROBLEM, prog_name, prog_vers, VERSION_PROBLEM, and xtables_free_opts().

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Variable Documentation

unsigned char mac_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255}
unsigned char mac_type_multicast[ETH_ALEN] = {1,0,0,0,0,0}
unsigned char mac_type_unicast[ETH_ALEN] = {0,0,0,0,0,0}
unsigned char msk_type_broadcast[ETH_ALEN] = {255,255,255,255,255,255}
unsigned char msk_type_multicast[ETH_ALEN] = {1,0,0,0,0,0}
unsigned char msk_type_unicast[ETH_ALEN] = {1,0,0,0,0,0}
const char* program_name = "arptables"

Referenced by do_commandarp().

const char* program_version = XTABLES_VERSION

Referenced by do_commandarp().

int RUNTIME_NF_ARP_NUMHOOKS = 3
struct xtables_globals xtables_globals