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/*
* $Id: exec_hf.h,v 1.1.1.1 2005/06/13 16:47:38 bogdan_iancu Exp $
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* openser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _EXEC_HF_H
#define _EXEC_HF_H
#include "../../parser/msg_parser.h"
/* prefix prepended to header field name in env var name */
#define SIP "SIP_"
#define HF_PREFIX SIP "HF_"
#define HF_PREFIX_LEN (sizeof(HF_PREFIX)-1)
/* well known variable names */
#define EV_SRCIP SIP "SRCIP"
#define EV_RURI SIP "RURI"
#define EV_ORURI SIP "ORUI"
#define EV_USER SIP "USER"
#define EV_OUSER SIP "OUSER"
#define EV_TID SIP "TID"
#define EV_DID SIP "DID"
/* env var assignment operator */
#define EV_ASSIGN '='
/* header field separator */
#define HF_SEPARATOR ','
/* RFC3261 -- characters legal in header names; a really
* _bloated_ thing
*/
#define UNRESERVED_MARK "-_.!~*'()"
#define HNV_UNRESERVED "[]/?:+$"
#define ESCAPE '%'
/* and this is what all such crazy symbols in header field
* name will be replaced with in env vars */
#define HFN_SYMBOL '_'
#define VAR_VIA "VIA"
#define VAR_VIA_LEN (sizeof(VAR_VIA)-1)
#define VAR_CTYPE "CONTENT_TYPE"
#define VAR_CTYPE_LEN (sizeof(VAR_CTYPE)-1)
#define VAR_FROM "FROM"
#define VAR_FROM_LEN (sizeof(VAR_FROM)-1)
#define VAR_CALLID "CALLID"
#define VAR_CALLID_LEN (sizeof(VAR_CALLID)-1)
#define VAR_SUPPORTED "SUPPORTED"
#define VAR_SUPPORTED_LEN (sizeof(VAR_SUPPORTED)-1)
#define VAR_CLEN "CONTENT_LENGTH"
#define VAR_CLEN_LEN (sizeof(VAR_CLEN)-1)
#define VAR_CONTACT "CONTACT"
#define VAR_CONTACT_LEN (sizeof(VAR_CONTACT)-1)
#define VAR_TO "TO"
#define VAR_TO_LEN (sizeof(VAR_TO)-1)
#define VAR_EVENT "EVENT"
#define VAR_EVENT_LEN (sizeof(VAR_EVENT)-1)
#if 0
/* _JUST_FOR_INFO_HERE */
struct hdr_field {
int type; /* Header field type */
str name; /* Header field name */
str body; /* Header field body */
void* parsed; /* Parsed data structures */
struct hdr_field* next; /* Next header field in the list */
};
#endif
typedef struct env {
char** env;
int old_cnt;
} environment_t;
struct attrval {
str attr;
str val;
};
enum wrapper_type { W_HF=1, W_AV };
struct hf_wrapper {
enum wrapper_type var_type;
union {
struct hdr_field *hf;
struct attrval av;
} u;
/* next header field of the same type */
struct hf_wrapper *next_same;
/* next header field of a different type */
struct hf_wrapper *next_other;
/* env var value (zero terminated) */
char *envvar;
/* variable name prefix (if any) */
char *prefix;
int prefix_len;
};
extern unsigned int setvars;
extern char **environ;
environment_t *set_env(struct sip_msg *msg);
void unset_env(environment_t *backup_env);
#endif
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