Route & Record-Route module, loose routing support. More...

#include <string.h>
#include "../../mem/mem.h"
#include "../../dprint.h"
#include "../../parser/parse_uri.h"
#include "../../parser/parse_from.h"
#include "../../str.h"
#include "../../data_lump.h"
#include "record.h"
#include "rr_mod.h"

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Defines

#define INBOUND 1
Insert inbound Record-Route.
#define OUTBOUND 0
Insert outbound Record-Route.
#define RR_PARAM_BUF_SIZE 512
buffer for RR parameter
#define RR_TRANS_LEN 11
Insert manually created Record-Route header.

Functions

int add_rr_param (struct sip_msg *msg, str *rr_param)
Appends a new Record-Route parameter.
static int build_rr (struct lump *_l, struct lump *_l2, str *user, str *tag, str *params, int _inbound)
Build a Record-Route header field.
static struct lump * get_rr_param_lump (struct lump **root)
Get the RR parameter lump.
static int get_username (struct sip_msg *_m, str *_user)
Extract username from the Request URI.
static struct lump * insert_rr_param_lump (struct lump *before, char *s, int l)
Insert RR parameter lump in new allocated private memory.
int record_route (struct sip_msg *_m, str *params)
Insert a new Record-Route header field with lr parameter.
int record_route_advertised_address (struct sip_msg *_m, str *_data)
Insert manually created Record-Route header.
int record_route_preset (struct sip_msg *_m, str *_data)
Insert manually created Record-Route header.

Variables

static char rr_param_buf_ptr [RR_PARAM_BUF_SIZE]
RR param buffer.

Detailed Description

Definition in file modules_k/rr/record.c.

Define Documentation

#define RR_TRANS_LEN 11

Insert manually created Record-Route header, no checks, no restrictions, always adds lr parameter, only fromtag is added automatically when requested. Allocates new private memory for this.

Parameters:

	_m	SIP message
	_data	manually created RR header

Returns:: 1 on success, negative on failure

Definition at line 463 of file modules_k/rr/record.c.

Function Documentation

int add_rr_param	(	struct sip_msg *	msg,
		str *	rr_param
	)

Parameters:

	msg	SIP message
	rr_param	RR parameter

Returns:: 0 on success, -1 on failure

Definition at line 665 of file modules_k/rr/record.c.

References sip_msg::add_rm, enable_double_rr, get_rr_param_lump(), sip_msg::id, insert_rr_param_lump(), _str::len, root, RR_PARAM_BUF_SIZE, and _str::s.

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static int build_rr	(	struct lump *	_l,
		struct lump *	_l2,
		str *	user,
		str *	tag,
		str *	params,
		int	_inbound
	)			`[inline, static]`

Build a Record-Route header field, allocates new private memory for this.

Parameters:

	_l	first lump
	_l2	second lump
	user	user parameter
	tag	tag parameter
	params	parameter
	_inbound	inbound request

Returns:: 0 on success, negative on failure

Definition at line 160 of file modules_k/rr/record.c.

References enable_double_rr, enable_full_lr, HDR_RECORDROUTE_T, insert_cond_lump_after(), insert_rr_param_lump(), insert_subst_lump_after(), _str::len, prefix, and _str::s.

Referenced by record_route().

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static struct lump* get_rr_param_lump ( struct lump ** root ) [static, read]

Parameters:

root

root of the lump list

Returns:: pointer to the RR parameter lump, or NULL if not found

Definition at line 640 of file modules_k/rr/record.c.

References HDR_RECORDROUTE_T.

Referenced by add_rr_param().

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static int get_username	(	struct sip_msg *	_m,
		str *	_user
	)			`[inline, static]`

Extract username from the Request URI. First try to look at the original Request URI and if there is no username use the new Request URI.

Parameters:

	_m	SIP message
	_user	username

Returns:: 0 on success, negative on errors

Definition at line 88 of file modules_k/rr/record.c.

References sip_msg::first_line, _str::len, sip_msg::new_uri, _str::s, and sip_uri::user.

Referenced by record_route(), record_route_advertised_address(), and record_route_preset().

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static struct lump* insert_rr_param_lump	(	struct lump *	before,
		char *	s,
		int	l
	)			`[static, read]`

Parameters:

	before	lump list
	s	parameter string
	l	parameter string length

Returns:: pointer to new lump on success, NULL on failure

Definition at line 123 of file modules_k/rr/record.c.

References HDR_RECORDROUTE_T.

Referenced by add_rr_param(), and build_rr().

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int record_route	(	struct sip_msg *	_m,
		str *	params
	)

Insert a new Record-Route header field and also 2nd one if it is enabled and the realm changed so the 2nd record-route header will be necessary.

Parameters:

	_m	SIP message
	params	RR parameter

Returns:: 0 on success, negative on failure

Definition at line 278 of file modules_k/rr/record.c.

References add_username, anchor_lump(), append_fromtag, sip_msg::buf, build_rr(), enable_double_rr, get_username(), HDR_RECORDROUTE_T, sip_msg::headers, sip_msg::id, INBOUND, insert_cond_lump_after(), _str::len, hdr_field::name, OUTBOUND, parse_from_header(), hdr_field::parsed, and _str::s.

Referenced by sip_msg_shm_clone(), and w_record_route().

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int record_route_advertised_address	(	struct sip_msg *	_m,
		str *	_data
	)

Insert manually created Record-Route header, no checks, no restrictions, always adds lr parameter, fromtag is added automatically when requested, Allows addition of rr parameters using add_rr_param. Adds a 2nd header with the same details if the protocol changes and double rr enabled Allocates new private memory for this.

Parameters:

	_m	SIP message
	_data	manually created RR header

Returns:: 1 on success, negative on failure

Definition at line 576 of file modules_k/rr/record.c.

References add_username, anchor_lump(), append_fromtag, sip_msg::buf, enable_double_rr, get_username(), HDR_RECORDROUTE_T, sip_msg::headers, INBOUND, insert_cond_lump_after(), _str::len, hdr_field::name, OUTBOUND, parse_from_header(), hdr_field::parsed, and _str::s.

Referenced by w_record_route_advertised_address().

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int record_route_preset	(	struct sip_msg *	_m,
		str *	_data
	)

Insert manually created Record-Route header, no checks, no restrictions, always adds lr parameter, only fromtag is added automatically when requested. Allocates new private memory for this.

Parameters: