proto_arp_ethernet.c File Reference

ARP handler for ethernet. More...

#include <netdb.h>
#include <freeradius-devel/server/protocol.h>
#include <freeradius-devel/util/trie.h>
#include <freeradius-devel/io/application.h>
#include <freeradius-devel/io/listen.h>
#include <freeradius-devel/io/schedule.h>
#include "proto_arp.h"

Include dependency graph for proto_arp_ethernet.c:

Go to the source code of this file.

Data Structures
struct	proto_arp_ethernet_t
struct	proto_arp_ethernet_thread_t

Functions
static int	mod_instantiate (module_inst_ctx_t const *mctx)
static char const *	mod_name (fr_listen_t *li)
static int	mod_open (fr_listen_t *li)
	Open a pcap file for ARP.
static ssize_t	mod_read (fr_listen_t *li, UNUSED void **packet_ctx, fr_time_t *recv_time_p, uint8_t *buffer, size_t buffer_len, size_t *leftover)
static ssize_t	mod_write (fr_listen_t *li, UNUSED void *packet_ctx, UNUSED fr_time_t request_time, uint8_t *buffer, size_t buffer_len, UNUSED size_t written)

Variables
static conf_parser_t const	arp_listen_config []
	How to parse an ARP listen section.
fr_app_io_t	proto_arp_ethernet

Detailed Description

ARP handler for ethernet.

Id

63b09eddaf43fa36efcf0f75215eaffdc43a7312

Copyright

2016 The FreeRADIUS server project.

2016 Alan DeKok (aland.nosp@m.@dep.nosp@m.loyin.nosp@m.grad.nosp@m.ius.c.nosp@m.om)

Definition in file proto_arp_ethernet.c.

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Data Structure Documentation

proto_arp_ethernet_t

struct proto_arp_ethernet_t

Definition at line 41 of file proto_arp_ethernet.c.

Collaboration diagram for proto_arp_ethernet_t:

Data Fields
CONF_SECTION *	cs	our configuration
char const *	filter	Additional PCAP filter.
char const *	interface	Interface to bind to.

proto_arp_ethernet_thread_t

struct proto_arp_ethernet_thread_t

Definition at line 36 of file proto_arp_ethernet.c.

Data Fields
char const *	name	socket name
fr_pcap_t *	pcap	PCAP handler.

Function Documentation

mod_instantiate()

static int mod_instantiate ( module_inst_ctx_t const *  mctx )

static

Definition at line 219 of file proto_arp_ethernet.c.

mod_name()

static char const * mod_name ( fr_listen_t *  li )

static

Definition at line 211 of file proto_arp_ethernet.c.

mod_open()

static int mod_open ( fr_listen_t *  li )

static

Open a pcap file for ARP.

Definition at line 168 of file proto_arp_ethernet.c.

Here is the call graph for this function:

mod_read()

static ssize_t mod_read ( fr_listen_t *  li, UNUSED void **  packet_ctx, fr_time_t *  recv_time_p, uint8_t *  buffer, size_t  buffer_len, size_t *  leftover  )

static

Definition at line 60 of file proto_arp_ethernet.c.

mod_write()

static ssize_t mod_write ( fr_listen_t *  li, UNUSED void *  packet_ctx, UNUSED fr_time_t  request_time, uint8_t *  buffer, size_t  buffer_len, UNUSED size_t  written  )

static

Definition at line 109 of file proto_arp_ethernet.c.

Variable Documentation

arp_listen_config

conf_parser_t const arp_listen_config[]

static

Initial value:

= {
        { FR_CONF_OFFSET_FLAGS("interface", CONF_FLAG_NOT_EMPTY, proto_arp_ethernet_t,
                          interface), .dflt = "eth0" },
 
        { FR_CONF_OFFSET("filter", proto_arp_ethernet_t, filter) },
 
        CONF_PARSER_TERMINATOR
}

How to parse an ARP listen section.

Definition at line 51 of file proto_arp_ethernet.c.

proto_arp_ethernet

fr_app_io_t proto_arp_ethernet

Initial value:

= {
        .common = {
                .magic                  = MODULE_MAGIC_INIT,
                .name                   = "arp_ethernet",
                .config                 = arp_listen_config,
                .inst_size              = sizeof(proto_arp_ethernet_t),
                .thread_inst_size       = sizeof(proto_arp_ethernet_thread_t),
                .bootstrap              = mod_instantiate
        },
        .default_message_size   = FR_ARP_PACKET_SIZE,
 
        .open                   = mod_open,
        .read                   = mod_read,
        .write                  = mod_write,
        .get_name               = mod_name,
}

Definition at line 228 of file proto_arp_ethernet.c.