dhcpclient.c File Reference

#include <freeradius-devel/util/conf.h>
#include <freeradius-devel/util/syserror.h>
#include <freeradius-devel/util/atexit.h>
#include <freeradius-devel/util/pair_legacy.h>
#include <freeradius-devel/server/packet.h>
#include <freeradius-devel/dhcpv4/dhcpv4.h>
#include <freeradius-devel/util/pcap.h>
#include <ctype.h>
#include <assert.h>
#include <net/if.h>

Include dependency graph for dhcpclient.c:

Go to the source code of this file.

Data Structures
struct	dc_offer_t

Macros
#define	DEBUG(fmt, ...)   if (fr_debug_lvl > 0) fprintf(stdout, fmt "\n", ## __VA_ARGS__)
#define	ERROR(fmt, ...)   fr_perror("dhcpclient: " fmt, ## __VA_ARGS__)

Functions
static void	dhcp_packet_debug (fr_packet_t *packet, fr_pair_list_t *list, bool received)
int	main (int argc, char **argv)
static int	request_init (fr_packet_t **out, fr_pair_list_t *packet_vps, char const *filename)
static int	send_with_socket (fr_packet_t **reply, fr_packet_t *request, UNUSED fr_pair_list_t *request_list)
static NEVER_RETURNS void	usage (void)

Variables
static fr_dict_attr_t const *	attr_dhcp_dhcp_server_identifier
static fr_dict_attr_t const *	attr_dhcp_message_type
static fr_dict_attr_t const *	attr_dhcp_your_ip_address
static fr_dict_attr_t const *	attr_packet_type
fr_dict_autoload_t	dhcpclient_dict []
fr_dict_attr_autoload_t	dhcpclient_dict_attr []
static char const *	dhcpclient_version = RADIUSD_VERSION_BUILD("dhcpclient")
static fr_dict_t const *	dict_dhcpv4
static fr_dict_t const *	dict_freeradius
static char *	iface = NULL
static int	iface_ind = -1
static bool	raw_mode = false
static bool	reply_expected = true
static fr_table_num_sorted_t const	request_types []
static size_t	request_types_len = NUM_ELEMENTS(request_types)
static int	retries = 3
static int	sockfd
static fr_time_delta_t	timeout

---

Data Structure Documentation

dc_offer_t

struct dc_offer_t

Definition at line 74 of file dhcpclient.c.

Data Fields
uint32_t	offered_addr
uint32_t	server_addr

Macro Definition Documentation

DEBUG

#define DEBUG	(		fmt,
			...
	)		if (fr_debug_lvl > 0) fprintf(stdout, fmt "\n", ## __VA_ARGS__)

Definition at line 39 of file dhcpclient.c.

ERROR

#define ERROR	(		fmt,
			...
	)		fr_perror("dhcpclient: " fmt, ## __VA_ARGS__)

Definition at line 41 of file dhcpclient.c.

Function Documentation

dhcp_packet_debug()

static void dhcp_packet_debug ( fr_packet_t *  packet, fr_pair_list_t *  list, bool  received  )

static

Definition at line 465 of file dhcpclient.c.

Here is the call graph for this function:

Here is the caller graph for this function:

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 521 of file dhcpclient.c.

Here is the call graph for this function:

request_init()

static int request_init ( fr_packet_t **  out, fr_pair_list_t *  packet_vps, char const *  filename  )

static

Definition at line 136 of file dhcpclient.c.

Here is the call graph for this function:

Here is the caller graph for this function:

send_with_socket()

static int send_with_socket ( fr_packet_t **  reply, fr_packet_t *  request, UNUSED fr_pair_list_t *  request_list  )

static

Definition at line 329 of file dhcpclient.c.

Here is the call graph for this function:

Here is the caller graph for this function:

usage()

static NEVER_RETURNS void usage ( void  )

static

Definition at line 114 of file dhcpclient.c.

Here is the caller graph for this function:

Variable Documentation

attr_dhcp_dhcp_server_identifier

fr_dict_attr_t const* attr_dhcp_dhcp_server_identifier

static

Definition at line 91 of file dhcpclient.c.

attr_dhcp_message_type

fr_dict_attr_t const* attr_dhcp_message_type

static

Definition at line 90 of file dhcpclient.c.

attr_dhcp_your_ip_address

fr_dict_attr_t const* attr_dhcp_your_ip_address

static

Definition at line 92 of file dhcpclient.c.

attr_packet_type

fr_dict_attr_t const* attr_packet_type

static

Definition at line 89 of file dhcpclient.c.

dhcpclient_dict

fr_dict_autoload_t dhcpclient_dict

Initial value:

= {
        { .out = &dict_freeradius, .proto = "freeradius" },
        { .out = &dict_dhcpv4, .proto = "dhcpv4" },
        { NULL }
}

Definition at line 83 of file dhcpclient.c.

dhcpclient_dict_attr

fr_dict_attr_autoload_t dhcpclient_dict_attr

Initial value:

= {
        { .out = &attr_packet_type, .name = "Packet-Type", .type = FR_TYPE_UINT32, .dict = &dict_dhcpv4 },
        { .out = &attr_dhcp_message_type, .name = "Message-Type", .type = FR_TYPE_UINT8, .dict = &dict_dhcpv4},
        { .out = &attr_dhcp_dhcp_server_identifier, .name = "Server-Identifier", .type = FR_TYPE_IPV4_ADDR, .dict = &dict_dhcpv4 },
        { .out = &attr_dhcp_your_ip_address, .name = "Your-IP-Address", .type = FR_TYPE_IPV4_ADDR, .dict = &dict_dhcpv4 },
        { NULL }
}

Definition at line 95 of file dhcpclient.c.

dhcpclient_version

char const* dhcpclient_version = RADIUSD_VERSION_BUILD("dhcpclient")

static

Definition at line 71 of file dhcpclient.c.

dict_dhcpv4

fr_dict_t const* dict_dhcpv4

static

Definition at line 80 of file dhcpclient.c.

dict_freeradius

fr_dict_t const* dict_freeradius

static

Definition at line 79 of file dhcpclient.c.

iface

char* iface = NULL

static

Definition at line 61 of file dhcpclient.c.

iface_ind

int iface_ind = -1

static

Definition at line 62 of file dhcpclient.c.

raw_mode

bool raw_mode = false

static

Definition at line 68 of file dhcpclient.c.

reply_expected

bool reply_expected = true

static

Definition at line 69 of file dhcpclient.c.

request_types

fr_table_num_sorted_t const request_types[]

static

Initial value:

= {
        { L("auto"),            0                       },
        { L("decline"),         FR_DHCP_DECLINE         },
        { L("discover"),        FR_DHCP_DISCOVER        },
        { L("inform"),          FR_DHCP_INFORM          },
        { L("lease_query"),     FR_DHCP_LEASE_QUERY     },
        { L("release"),         FR_DHCP_RELEASE         },
        { L("request"),         FR_DHCP_REQUEST         }
}

Definition at line 103 of file dhcpclient.c.

request_types_len

size_t request_types_len = NUM_ELEMENTS(request_types)

static

Definition at line 112 of file dhcpclient.c.

retries

int retries = 3

static

Definition at line 53 of file dhcpclient.c.

sockfd

int sockfd

static

Definition at line 56 of file dhcpclient.c.

timeout

fr_time_delta_t timeout

static

Definition at line 54 of file dhcpclient.c.