- many bugfixes on name presentation handling - added support for different qsig variants - added support for rerouting informations on incoming calls - code cleanupV1_1
MelwareDE
16 years ago
parent
0208255abd
commit
8c79f0d18a
@ -0,0 +1,82 @@
|
||||
/*
|
||||
* (CAPI*)
|
||||
*
|
||||
* An implementation of Common ISDN API 2.0 for
|
||||
* Asterisk / OpenPBX.org
|
||||
*
|
||||
* Copyright (C) 2005-2007 Cytronics & Melware
|
||||
* Copyright (C) 2007 Mario Goegel
|
||||
*
|
||||
* Armin Schindler <armin@melware.de>
|
||||
* Mario Goegel <m.goegel@gmx.de>
|
||||
*
|
||||
* This program is free software and may be modified and
|
||||
* distributed under the terms of the GNU Public License.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Decoding of addressing-data-elements from asn1-97
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <asterisk/channel.h>
|
||||
#include <asterisk/options.h>
|
||||
#include "chan_capi20.h"
|
||||
#include "chan_capi.h"
|
||||
#include "chan_capi_qsig.h"
|
||||
#include "chan_capi_qsig_asn197ade.h"
|
||||
|
||||
/*
|
||||
* Returns an "Party Number" from an string, encoded as in addressing-data-elements-asn1-97
|
||||
* data should be a buffer with max. 20 bytes, according to spec
|
||||
* return:
|
||||
* index counter
|
||||
*/
|
||||
unsigned int cc_qsig_asn197ade_get_partynumber(unsigned char *buf, int buflen, int *idx, unsigned char *data)
|
||||
{
|
||||
int myidx = *idx;
|
||||
int datalength = data[myidx++];
|
||||
int numtype = (data[myidx++] & 0x0F); /* defines type of Number: numDigits, publicPartyNum, nsapEncNum, dataNumDigits */
|
||||
|
||||
/* cc_verbose(1, 1, VERBOSE_PREFIX_4 " * num type %i\n", numtype); */
|
||||
switch (numtype){
|
||||
case 0:
|
||||
if (data[myidx++] > 0) /* length of this context data */
|
||||
if (data[myidx++] == ASN1_TC_CONTEXTSPEC)
|
||||
myidx += cc_qsig_asn197ade_get_numdigits(buf, buflen, &myidx, data) + 1;
|
||||
break;
|
||||
case 1: /* publicPartyNumber (E.164) not supported yet */
|
||||
return 0;
|
||||
break;
|
||||
case 2: /* NsapEncodedNumber (some ATM stuff) not supported yet */
|
||||
return 0;
|
||||
break;
|
||||
case 3:
|
||||
if (data[myidx++] > 0) /* length of this context data */
|
||||
if (data[myidx++] == ASN1_TC_CONTEXTSPEC)
|
||||
myidx += cc_qsig_asn197ade_get_numdigits(buf, buflen, &myidx, data) + 1;
|
||||
break;
|
||||
};
|
||||
return myidx - *idx;
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns an string from ASN.1 encoded string
|
||||
*/
|
||||
unsigned int cc_qsig_asn197ade_get_numdigits(unsigned char *buf, int buflen, int *idx, unsigned char *data)
|
||||
{
|
||||
int strsize;
|
||||
int myidx = *idx;
|
||||
|
||||
strsize = data[myidx++];
|
||||
if (strsize > buflen)
|
||||
strsize = buflen;
|
||||
memcpy(buf, &data[myidx], strsize);
|
||||
buf[strsize] = 0;
|
||||
|
||||
/* cc_verbose(1, 1, VERBOSE_PREFIX_4 " * string length %i\n", strsize); */
|
||||
return strsize;
|
||||
}
|
||||
@ -0,0 +1,29 @@
|
||||
/*
|
||||
* (CAPI*)
|
||||
*
|
||||
* An implementation of Common ISDN API 2.0 for
|
||||
* Asterisk / OpenPBX.org
|
||||
*
|
||||
* Copyright (C) 2005-2007 Cytronics & Melware
|
||||
* Copyright (C) 2007 Mario Goegel
|
||||
*
|
||||
* Armin Schindler <armin@melware.de>
|
||||
* Mario Goegel <m.goegel@gmx.de>
|
||||
*
|
||||
* This program is free software and may be modified and
|
||||
* distributed under the terms of the GNU Public License.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Decoding of addressing-data-elements from asn1-97
|
||||
*/
|
||||
|
||||
#ifndef PBX_QSIG_ASN197ADE_H
|
||||
#define PBX_QSIG_ASN197ADE_H
|
||||
|
||||
#define ASN197ADE_NUMDIGITS_STRSIZE 20
|
||||
|
||||
extern unsigned int cc_qsig_asn197ade_get_partynumber(unsigned char *buf, int buflen, int *idx, unsigned char *data);
|
||||
extern unsigned int cc_qsig_asn197ade_get_numdigits(unsigned char *buf, int buflen, int *idx, unsigned char *data);
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,101 @@
|
||||
/*
|
||||
* (CAPI*)
|
||||
*
|
||||
* An implementation of Common ISDN API 2.0 for
|
||||
* Asterisk / OpenPBX.org
|
||||
*
|
||||
* Copyright (C) 2005-2007 Cytronics & Melware
|
||||
* Copyright (C) 2007 Mario Goegel
|
||||
*
|
||||
* Armin Schindler <armin@melware.de>
|
||||
* Mario Goegel <m.goegel@gmx.de>
|
||||
*
|
||||
* This program is free software and may be modified and
|
||||
* distributed under the terms of the GNU Public License.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Decoding of name-operations from asn1-97
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <asterisk/channel.h>
|
||||
#include <asterisk/options.h>
|
||||
#include "chan_capi20.h"
|
||||
#include "chan_capi.h"
|
||||
#include "chan_capi_qsig.h"
|
||||
#include "chan_capi_qsig_asn197no.h"
|
||||
|
||||
/*
|
||||
* Returns an "Name" from an string, encoded as in name-operations-asn1-97
|
||||
* data should be a buffer with max. 50 bytes, according to spec
|
||||
* bufds returns size of name in "buf"
|
||||
* return:
|
||||
* index counter
|
||||
*/
|
||||
|
||||
unsigned int cc_qsig_asn197no_get_name(unsigned char *buf, int buflen, unsigned int *bufds, int *idx, unsigned char *data)
|
||||
{
|
||||
unsigned int myidx = *idx;
|
||||
unsigned int nametag;
|
||||
unsigned int namelength = 0;
|
||||
unsigned int nametype;
|
||||
unsigned int namesetlength = 0;
|
||||
unsigned int namepres;
|
||||
unsigned int charset = 1;
|
||||
unsigned int seqlength = 0;
|
||||
|
||||
nametag = data[myidx++];
|
||||
if (nametag == (ASN1_SEQUENCE | ASN1_TC_UNIVERSAL | ASN1_TF_CONSTRUCTED)) { /* 0x30 */
|
||||
/* This facility is encoded as SEQUENCE */
|
||||
seqlength = data[++myidx];
|
||||
myidx++;
|
||||
cc_verbose(1, 1, VERBOSE_PREFIX_4 " Got name sequence (Length= %i)\n", seqlength);
|
||||
}
|
||||
|
||||
if (nametag < 0x80) { /* Tag shows an simple String */
|
||||
namelength = cc_qsig_asn1_get_string((unsigned char *)buf, buflen, &data[myidx]);
|
||||
} else { /* Tag shows an context specific String */
|
||||
nametype = (nametag & 0x0F); /* Type of Name-Struct */
|
||||
namepres = nametype; /* Name Presentation or Restriction */
|
||||
|
||||
switch (nametype) {
|
||||
case 0: /* Simple Name */
|
||||
case 2: /* [LENGTH] [STRING] */
|
||||
namelength = cc_qsig_asn1_get_string((unsigned char *)buf, buflen, &data[myidx]);
|
||||
break;
|
||||
case 1: /* Nameset */
|
||||
case 3: /* [LENGTH] [BIT-STRING] [LENGTH] [STRING] [INTEGER] [LENGTH] [VALUE] */
|
||||
namesetlength = data[myidx++];
|
||||
if (data[myidx++] == ASN1_OCTETSTRING) {
|
||||
/* should be so */
|
||||
namelength = cc_qsig_asn1_get_string((unsigned char *)buf, buflen, &data[myidx]);
|
||||
myidx += data[myidx-1]; /* is this safe? */
|
||||
} else {
|
||||
cc_verbose(1, 1, VERBOSE_PREFIX_4 " Namestruct not ECMA conform (String expected)\n");
|
||||
break;
|
||||
}
|
||||
if (data[myidx++] == ASN1_INTEGER) {
|
||||
charset=cc_qsig_asn1_get_integer(data, &myidx);
|
||||
} else {
|
||||
cc_verbose(1, 1, VERBOSE_PREFIX_4 " Namestruct not ECMA conform (Integer expected)\n");
|
||||
}
|
||||
break;
|
||||
case 4: /* Name not available */
|
||||
break;
|
||||
case 7: /* Namepres. restricted NULL - don't understand ECMA-164, Page 5 */
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (namelength > 0) {
|
||||
myidx += namelength + 1;
|
||||
*bufds = namelength;
|
||||
return myidx - *idx;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,28 @@
|
||||
/*
|
||||
* (CAPI*)
|
||||
*
|
||||
* An implementation of Common ISDN API 2.0 for
|
||||
* Asterisk / OpenPBX.org
|
||||
*
|
||||
* Copyright (C) 2005-2007 Cytronics & Melware
|
||||
* Copyright (C) 2007 Mario Goegel
|
||||
*
|
||||
* Armin Schindler <armin@melware.de>
|
||||
* Mario Goegel <m.goegel@gmx.de>
|
||||
*
|
||||
* This program is free software and may be modified and
|
||||
* distributed under the terms of the GNU Public License.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Decoding of name-operations from asn1-97
|
||||
*/
|
||||
|
||||
#ifndef PBX_QSIG_ASN197NO_H
|
||||
#define PBX_QSIG_ASN197NO_H
|
||||
|
||||
#define ASN197NO_NAME_STRSIZE 50
|
||||
|
||||
extern unsigned int cc_qsig_asn197no_get_name(unsigned char *buf, int buflen, unsigned int *bufds, int *idx, unsigned char *data);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in new issue