base.c File Reference

Functions to send/receive ARP packets. More...

#include <freeradius-devel/util/net.h>
#include <freeradius-devel/util/struct.h>
#include <freeradius-devel/util/syserror.h>
#include <freeradius-devel/io/test_point.h>
#include "attrs.h"
#include <net/if_arp.h>

Include dependency graph for base.c:

Go to the source code of this file.

Data Structures
struct	fr_arp_ctx_t

Macros
#define	COPY(_a, _b)

Functions
static int	encode_test_ctx (void **out, TALLOC_CTX *ctx)
ssize_t	fr_arp_decode (TALLOC_CTX *ctx, fr_pair_list_t *out, uint8_t const *packet, size_t packet_len)
	Decode a raw ARP packet into VPs. More...
static ssize_t	fr_arp_decode_proto (TALLOC_CTX *ctx, fr_pair_list_t *out, uint8_t const *data, size_t data_len, UNUSED void *proto_ctx)
ssize_t	fr_arp_encode (fr_dbuff_t *dbuff, uint8_t const *original, fr_pair_list_t *vps)
	Encode VPS into a raw ARP packet. More...
static ssize_t	fr_arp_encode_proto (UNUSED TALLOC_CTX *ctx, fr_pair_list_t *vps, uint8_t *data, size_t data_len, UNUSED void *proto_ctx)
int	fr_arp_entry_add (UNUSED int fd, UNUSED char const *interface, UNUSED uint8_t ipaddr[static 4], UNUSED uint8_t macaddr[static 6])
void	fr_arp_global_free (void)
int	fr_arp_global_init (void)

Variables
fr_test_point_proto_decode_t	arp_tp_decode_proto
fr_test_point_proto_encode_t	arp_tp_encode_proto
fr_dict_attr_t const *	attr_arp_packet
fr_dict_t const *	dict_arp
char const *	fr_arp_packet_codes [FR_ARP_CODE_MAX]
static uint32_t	instance_count = 0
fr_dict_autoload_t	libfreeradius_arp_dict []
fr_dict_attr_autoload_t	libfreeradius_arp_dict_attr []
fr_dict_protocol_t	libfreeradius_arp_dict_protocol
static uint8_t const	zeros [6] = { 0 }

Detailed Description

Functions to send/receive ARP packets.

Id

1ae2e63121095920132e006e3fe93da6b7d77768

Copyright

2020 Network RADIUS SAS <legal.nosp@m.@net.nosp@m.workr.nosp@m.adiu.nosp@m.s.com?

Definition in file base.c.

---

Data Structure Documentation

fr_arp_ctx_t

struct fr_arp_ctx_t

Definition at line 304 of file base.c.

Data Fields
bool	tmp

Macro Definition Documentation

COPY

#define COPY	(		_a,
			_b
	)

Value:

        do { \
        if (memcmp(arp->_a, zeros, sizeof(arp->_a)) == 0) { \
                memcpy(arp->_a, our_original->_b, sizeof(arp->_a)); \
        } \
  } while (0)

Function Documentation

encode_test_ctx()

static int encode_test_ctx ( void **  out, TALLOC_CTX *  ctx  )

static

Definition at line 308 of file base.c.

Here is the call graph for this function:

fr_arp_decode()

ssize_t fr_arp_decode	(	TALLOC_CTX *	ctx,
		fr_pair_list_t *	out,
		uint8_t const *	packet,
		size_t	packet_len
	)

Decode a raw ARP packet into VPs.

Definition at line 221 of file base.c.

Here is the call graph for this function:

Here is the caller graph for this function:

fr_arp_decode_proto()

static ssize_t fr_arp_decode_proto ( TALLOC_CTX *  ctx, fr_pair_list_t *  out, uint8_t const *  data, size_t  data_len, UNUSED void *  proto_ctx  )

static

Definition at line 340 of file base.c.

Here is the call graph for this function:

fr_arp_encode()

ssize_t fr_arp_encode	(	fr_dbuff_t *	dbuff,
		uint8_t const *	original,
		fr_pair_list_t *	vps
	)

Encode VPS into a raw ARP packet.

Definition at line 146 of file base.c.

Here is the call graph for this function:

Here is the caller graph for this function:

fr_arp_encode_proto()

static ssize_t fr_arp_encode_proto ( UNUSED TALLOC_CTX *  ctx, fr_pair_list_t *  vps, uint8_t *  data, size_t  data_len, UNUSED void *  proto_ctx  )

static

Definition at line 329 of file base.c.

Here is the call graph for this function:

fr_arp_entry_add()

int fr_arp_entry_add	(	UNUSED int	fd,
		UNUSED char const *	interface,
		UNUSED uint8_t	ipaddr[static 4],
		UNUSED uint8_t	macaddr[static 6]
	)

Definition at line 134 of file base.c.

fr_arp_global_free()

void fr_arp_global_free

(

void

)

Definition at line 284 of file base.c.

Here is the call graph for this function:

Here is the caller graph for this function:

fr_arp_global_init()

int fr_arp_global_init

(

void

)

Definition at line 261 of file base.c.

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

arp_tp_decode_proto

fr_test_point_proto_decode_t arp_tp_decode_proto

Initial value:

= {
        .test_ctx       = encode_test_ctx,
        .func           = fr_arp_decode_proto
}

Definition at line 347 of file base.c.

arp_tp_encode_proto

fr_test_point_proto_encode_t arp_tp_encode_proto

Initial value:

= {
        .test_ctx       = encode_test_ctx,
        .func           = fr_arp_encode_proto
}

Definition at line 335 of file base.c.

attr_arp_packet

fr_dict_attr_t const* attr_arp_packet

Definition at line 51 of file base.c.

dict_arp

fr_dict_t const* dict_arp

Definition at line 43 of file base.c.

fr_arp_packet_codes

char const* fr_arp_packet_codes[FR_ARP_CODE_MAX]

Initial value:

= {
        [1] = "Request",
        [2] = "Reply",
        [3] = "Reverse-Request",
        [4] = "Reverse-Reply",
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
}

Definition at line 63 of file base.c.

instance_count

uint32_t instance_count = 0

static

Definition at line 41 of file base.c.

libfreeradius_arp_dict

fr_dict_autoload_t libfreeradius_arp_dict

Initial value:

= {
        { .out = &dict_arp, .proto = "arp" },
        { NULL }
}

Definition at line 46 of file base.c.

libfreeradius_arp_dict_attr

fr_dict_attr_autoload_t libfreeradius_arp_dict_attr

Initial value:

= {
        { .out = &attr_arp_packet, .name = "arp", .type = FR_TYPE_STRUCT, .dict = &dict_arp },
        { NULL }
}

Definition at line 54 of file base.c.

libfreeradius_arp_dict_protocol

fr_dict_protocol_t libfreeradius_arp_dict_protocol

Initial value:

= {
        .name = "arp",
        .default_type_size = 4,
        .default_type_length = 0,
 
        .init = fr_arp_global_init,
        .free = fr_arp_global_free,
}

Definition at line 294 of file base.c.

zeros

uint8_t const zeros[6] = { 0 }

static

Definition at line 93 of file base.c.