proto_radius.c File Reference

RADIUS master protocol handler. More...

#include <freeradius-devel/radius/radius.h>
#include <freeradius-devel/io/listen.h>
#include <freeradius-devel/unlang/xlat_func.h>
#include <freeradius-devel/server/module_rlm.h>
#include "proto_radius.h"

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Functions
static int	mod_bootstrap (module_inst_ctx_t const *mctx)
	Bootstrap the application. More...
static int	mod_decode (UNUSED void const *instance, request_t *request, uint8_t *const data, size_t data_len)
	Decode the packet. More...
static ssize_t	mod_encode (UNUSED void const *instance, request_t *request, uint8_t *buffer, size_t buffer_len)
static int	mod_instantiate (module_inst_ctx_t const *mctx)
	Instantiate the application. More...
static int	mod_load (void)
static int	mod_open (void *instance, fr_schedule_t *sc, UNUSED CONF_SECTION *conf)
	Open listen sockets/connect to external event source. More...
static int	mod_priority_set (void const *instance, uint8_t const *buffer, UNUSED size_t buflen)
static void	mod_unload (void)
static xlat_action_t	packet_vector_xlat (TALLOC_CTX *ctx, fr_dcursor_t *out, UNUSED xlat_ctx_t const *xctx, request_t *request, UNUSED fr_value_box_list_t *in)
	Get the authentication vector. More...
static int	transport_parse (TALLOC_CTX *ctx, void *out, UNUSED void *parent, CONF_ITEM *ci, conf_parser_t const *rule)
static int	transport_parse (TALLOC_CTX *ctx, void *out, UNUSED void *parent, CONF_ITEM *ci, UNUSED conf_parser_t const *rule)
	Wrapper around dl_instance. More...
static int	type_parse (TALLOC_CTX *ctx, void *out, UNUSED void *parent, CONF_ITEM *ci, conf_parser_t const *rule)
static int	type_parse (UNUSED TALLOC_CTX *ctx, void *out, void *parent, CONF_ITEM *ci, UNUSED conf_parser_t const *rule)
	Wrapper around dl_instance which translates the packet-type into a submodule name. More...

Variables
static fr_dict_attr_t const *	attr_packet_type
static fr_dict_attr_t const *	attr_state
static fr_dict_attr_t const *	attr_user_name
static fr_dict_t const *	dict_radius
static conf_parser_t const	limit_config []
static const conf_parser_t	priority_config []
fr_app_t	proto_radius
static conf_parser_t const	proto_radius_config []
	How to parse a RADIUS listen section. More...
fr_dict_autoload_t	proto_radius_dict []
fr_dict_attr_autoload_t	proto_radius_dict_attr []

Detailed Description

RADIUS master protocol handler.

Id

11f39a3f5f82c6bf83acf60e96ec0ca4693f9396

Copyright

2017 Arran Cudbard-Bell (a.cud.nosp@m.bard.nosp@m.b@fre.nosp@m.erad.nosp@m.ius.o.nosp@m.rg)

2016 Alan DeKok (aland.nosp@m.@fre.nosp@m.eradi.nosp@m.us.o.nosp@m.rg)

Definition in file proto_radius.c.

Function Documentation

mod_bootstrap()

static int mod_bootstrap ( module_inst_ctx_t const *  mctx )

static

Bootstrap the application.

Bootstrap I/O and type submodules.

Returns

• 0 on success.
• -1 on failure.

Definition at line 527 of file proto_radius.c.

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mod_decode()

static int mod_decode ( UNUSED void const *  instance, request_t *  request, uint8_t *const  data, size_t  data_len  )

static

Decode the packet.

Definition at line 200 of file proto_radius.c.

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mod_encode()

static ssize_t mod_encode ( UNUSED void const *  instance, request_t *  request, uint8_t *  buffer, size_t  buffer_len  )

static

Definition at line 330 of file proto_radius.c.

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mod_instantiate()

static int mod_instantiate ( module_inst_ctx_t const *  mctx )

static

Instantiate the application.

Instantiate I/O and type submodules.

Returns

• 0 on success.
• -1 on failure.

Definition at line 489 of file proto_radius.c.

mod_load()

static int mod_load ( void  )

static

Definition at line 606 of file proto_radius.c.

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mod_open()

static int mod_open ( void *  instance, fr_schedule_t *  sc, UNUSED CONF_SECTION *  conf  )

static

Open listen sockets/connect to external event source.

Parameters

[in]	instance	Ctx data for this application.
[in]	sc	to add our file descriptor to.
[in]	conf	Listen section parsed to give us instance.

Returns

• 0 on success.
• -1 on failure.

Definition at line 467 of file proto_radius.c.

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mod_priority_set()

static int mod_priority_set ( void const *  instance, uint8_t const *  buffer, UNUSED size_t  buflen  )

static

Definition at line 431 of file proto_radius.c.

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mod_unload()

static void mod_unload ( void  )

static

Definition at line 619 of file proto_radius.c.

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packet_vector_xlat()

static xlat_action_t packet_vector_xlat ( TALLOC_CTX *  ctx, fr_dcursor_t *  out, UNUSED xlat_ctx_t const *  xctx, request_t *  request, UNUSED fr_value_box_list_t *  in  )

static

Get the authentication vector.

Note that we don't allow people to get the reply vector, because it doesn't exist until the reply is sent.

Definition at line 586 of file proto_radius.c.

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transport_parse() [1/2]

static int transport_parse ( TALLOC_CTX *  ctx, void *  out, UNUSED void *  parent, CONF_ITEM *  ci, conf_parser_t const *  rule  )

static

transport_parse() [2/2]

static int transport_parse ( TALLOC_CTX *  ctx, void *  out, UNUSED void *  parent, CONF_ITEM *  ci, UNUSED conf_parser_t const *  rule  )

static

Wrapper around dl_instance.

Parameters

[in]	ctx	to allocate data in (instance of proto_radius).
[out]	out	Where to write a dl_module_inst_t containing the module handle and instance.
[in]	parent	Base structure address.
[in]	ci	CONF_PAIR specifying the name of the type module.
[in]	rule	unused.

Returns

• 0 on success.
• -1 on failure.

Definition at line 156 of file proto_radius.c.

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type_parse() [1/2]

static int type_parse ( TALLOC_CTX *  ctx, void *  out, UNUSED void *  parent, CONF_ITEM *  ci, conf_parser_t const *  rule  )

static

type_parse() [2/2]

static int type_parse ( UNUSED TALLOC_CTX *  ctx, void *  out, void *  parent, CONF_ITEM *  ci, UNUSED conf_parser_t const *  rule  )

static

Wrapper around dl_instance which translates the packet-type into a submodule name.

If we found a Packet-Type = Access-Request CONF_PAIR for example, here's we'd load the proto_radius_auth module.

Parameters

[in]	ctx	to allocate data in (instance of proto_radius).
[out]	out	Where to write a dl_module_inst_t containing the module handle and instance.
[in]	parent	Base structure address.
[in]	ci	CONF_PAIR specifying the name of the type module.
[in]	rule	unused.

Returns

• 0 on success.
• -1 on failure.

Definition at line 123 of file proto_radius.c.

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Variable Documentation

attr_packet_type

fr_dict_attr_t const* attr_packet_type

static

Definition at line 97 of file proto_radius.c.

attr_state

fr_dict_attr_t const* attr_state

static

Definition at line 99 of file proto_radius.c.

attr_user_name

fr_dict_attr_t const* attr_user_name

static

Definition at line 98 of file proto_radius.c.

dict_radius

fr_dict_t const* dict_radius

static

Definition at line 89 of file proto_radius.c.

limit_config

conf_parser_t const limit_config[]

static

Initial value:

= {
        { FR_CONF_OFFSET("cleanup_delay", proto_radius_t, io.cleanup_delay), .dflt = "5.0" } ,
        { FR_CONF_OFFSET("idle_timeout", proto_radius_t, io.idle_timeout), .dflt = "30.0" } ,
        { FR_CONF_OFFSET("nak_lifetime", proto_radius_t, io.nak_lifetime), .dflt = "30.0" } ,
 
        { FR_CONF_OFFSET("max_connections", proto_radius_t, io.max_connections), .dflt = "1024" } ,
        { FR_CONF_OFFSET("max_clients", proto_radius_t, io.max_clients), .dflt = "256" } ,
        { FR_CONF_OFFSET("max_pending_packets", proto_radius_t, io.max_pending_packets), .dflt = "256" } ,
 
        
        { FR_CONF_OFFSET("max_packet_size", proto_radius_t, max_packet_size) } ,
        { FR_CONF_OFFSET("num_messages", proto_radius_t, num_messages) } ,
 
        CONF_PARSER_TERMINATOR
}

Definition at line 36 of file proto_radius.c.

priority_config

const conf_parser_t priority_config[]

static

Initial value:

= {
        { FR_CONF_OFFSET("Access-Request", proto_radius_t, priorities[FR_RADIUS_CODE_ACCESS_REQUEST]),
          .func = cf_table_parse_int, .uctx = &(cf_table_parse_ctx_t){ .table = channel_packet_priority, .len = &channel_packet_priority_len }, .dflt = "high" },
        { FR_CONF_OFFSET("Accounting-Request", proto_radius_t, priorities[FR_RADIUS_CODE_ACCOUNTING_REQUEST]),
          .func = cf_table_parse_int, .uctx = &(cf_table_parse_ctx_t){ .table = channel_packet_priority, .len = &channel_packet_priority_len }, .dflt = "low" },
        { FR_CONF_OFFSET("CoA-Request", proto_radius_t, priorities[FR_RADIUS_CODE_COA_REQUEST]),
          .func = cf_table_parse_int, .uctx = &(cf_table_parse_ctx_t){ .table = channel_packet_priority, .len = &channel_packet_priority_len }, .dflt = "normal" },
        { FR_CONF_OFFSET("Disconnect-Request", proto_radius_t, priorities[FR_RADIUS_CODE_DISCONNECT_REQUEST]),
          .func = cf_table_parse_int, .uctx = &(cf_table_parse_ctx_t){ .table = channel_packet_priority, .len = &channel_packet_priority_len }, .dflt = "low" },
        { FR_CONF_OFFSET("Status-Server", proto_radius_t, priorities[FR_RADIUS_CODE_STATUS_SERVER]),
          .func = cf_table_parse_int, .uctx = &(cf_table_parse_ctx_t){ .table = channel_packet_priority, .len = &channel_packet_priority_len }, .dflt = "now" },
 
        CONF_PARSER_TERMINATOR
}

Definition at line 54 of file proto_radius.c.

proto_radius

fr_app_t proto_radius

Initial value:

= {
        .common = {
                .magic                  = MODULE_MAGIC_INIT,
                .name                   = "radius",
                .config                 = proto_radius_config,
                .inst_size              = sizeof(proto_radius_t),
                .onload                 = mod_load,
                .unload                 = mod_unload,
                .bootstrap              = mod_bootstrap,
                .instantiate            = mod_instantiate
        },
        .dict                   = &dict_radius,
        .open                   = mod_open,
        .decode                 = mod_decode,
        .encode                 = mod_encode,
        .priority               = mod_priority_set
}

Definition at line 626 of file proto_radius.c.

proto_radius_config

conf_parser_t const proto_radius_config[]

static

Initial value:

= {
        { FR_CONF_OFFSET_FLAGS("type", CONF_FLAG_NOT_EMPTY, proto_radius_t, allowed_types), .func = type_parse },
        { FR_CONF_OFFSET_TYPE_FLAGS("transport", FR_TYPE_VOID, 0, proto_radius_t, io.submodule),
          .func = transport_parse },
 
        
        { FR_CONF_OFFSET("tunnel_password_zeros", proto_radius_t, tunnel_password_zeros) } ,
 
        { FR_CONF_POINTER("limit", 0, CONF_FLAG_SUBSECTION, NULL), .subcs = (void const *) limit_config },
        { FR_CONF_POINTER("priority", 0, CONF_FLAG_SUBSECTION, NULL), .subcs = (void const *) priority_config },
 
        CONF_PARSER_TERMINATOR
}

How to parse a RADIUS listen section.

Definition at line 72 of file proto_radius.c.

proto_radius_dict

fr_dict_autoload_t proto_radius_dict

Initial value:

= {
        { .out = &dict_radius, .proto = "radius" },
        { NULL }
}

Definition at line 92 of file proto_radius.c.

proto_radius_dict_attr

fr_dict_attr_autoload_t proto_radius_dict_attr

Initial value:

= {
        { .out = &attr_packet_type, .name = "Packet-Type", .type = FR_TYPE_UINT32, .dict = &dict_radius},
        { .out = &attr_user_name, .name = "User-Name", .type = FR_TYPE_STRING, .dict = &dict_radius},
        { .out = &attr_state, .name = "State", .type = FR_TYPE_OCTETS, .dict = &dict_radius},
        { NULL }
}

Definition at line 102 of file proto_radius.c.