347 lines
13 KiB
C
347 lines
13 KiB
C
#ifndef __ASN1_H__
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#define __ASN1_H__
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#include "suppserv.h"
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#include <asm/types.h>
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#include <sys/types.h>
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#include <stdio.h>
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typedef enum {
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invoke = 1,
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returnResult = 2,
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returnError = 3,
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reject = 4,
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} asn1Component;
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typedef enum {
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GeneralP = 0,
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InvokeP = 1,
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ReturnResultP= 2,
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ReturnErrorP = 3,
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} asn1Problem;
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struct PublicPartyNumber {
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int publicTypeOfNumber;
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char numberDigits[30];
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};
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struct PartyNumber {
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int type;
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union {
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char unknown[30];
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struct PublicPartyNumber publicPartyNumber;
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} p;
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};
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struct Address {
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struct PartyNumber partyNumber;
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char partySubaddress[30];
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};
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struct ServedUserNr {
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int all;
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struct PartyNumber partyNumber;
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};
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struct ActDivNotification {
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int procedure;
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int basicService;
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struct ServedUserNr servedUserNr;
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struct Address address;
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};
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struct DeactDivNotification {
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int procedure;
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int basicService;
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struct ServedUserNr servedUserNr;
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};
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struct ReqCallDeflection {
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struct Address address;
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int pres;
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};
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struct ServedUserNumberList {
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struct PartyNumber partyNumber[10];
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};
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struct IntResult {
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struct ServedUserNr servedUserNr;
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int procedure;
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int basicService;
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struct Address address;
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};
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struct IntResultList {
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struct IntResult intResult[10];
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};
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struct asn1Invoke {
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__u16 invokeId;
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__u16 operationValue;
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union {
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struct ActDivNotification actNot;
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struct DeactDivNotification deactNot;
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struct ReqCallDeflection reqCD;
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struct FacAOCDChargingUnit AOCDchu;
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struct FacAOCDCurrency AOCDcur;
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} o;
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};
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struct asn1ReturnResult {
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__u16 invokeId;
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union {
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struct ServedUserNumberList list;
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struct IntResultList resultList;
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} o;
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};
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struct asn1ReturnError {
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__u16 invokeId;
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__u16 errorValue;
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};
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struct asn1Reject {
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int invokeId;
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asn1Problem problem;
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__u16 problemValue;
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};
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struct asn1_parm {
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asn1Component comp;
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union {
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struct asn1Invoke inv;
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struct asn1ReturnResult retResult;
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struct asn1ReturnError retError;
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struct asn1Reject reject;
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} u;
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};
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#ifdef ASN1_DEBUG
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#define print_asn1msg(dummy, fmt, args...) printf(fmt, ## args)
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int ParseASN1(u_char *p, u_char *end, int level);
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#else
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#define print_asn1msg(dummy, fmt, args...)
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#define ParseASN1(p,end,level)
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#endif
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#define int_error() \
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printf("mISDN: INTERNAL ERROR in %s:%d\n", \
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__FILE__, __LINE__)
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int ParseTag(u_char *p, u_char *end, int *tag);
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int ParseLen(u_char *p, u_char *end, int *len);
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#define ASN1_TAG_BOOLEAN (0x01) // is that true?
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#define ASN1_TAG_INTEGER (0x02)
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#define ASN1_TAG_BIT_STRING (0x03)
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#define ASN1_TAG_OCTET_STRING (0x04)
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#define ASN1_TAG_NULL (0x05)
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#define ASN1_TAG_OBJECT_IDENTIFIER (0x06)
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#define ASN1_TAG_ENUM (0x0a)
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#define ASN1_TAG_SEQUENCE (0x30)
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#define ASN1_TAG_SET (0x31)
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#define ASN1_TAG_NUMERIC_STRING (0x12)
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#define ASN1_TAG_PRINTABLE_STRING (0x13)
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#define ASN1_TAG_IA5_STRING (0x16)
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#define ASN1_TAG_UTC_TIME (0x17)
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#define ASN1_TAG_CONSTRUCTED (0x20)
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#define ASN1_TAG_CONTEXT_SPECIFIC (0x80)
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#define ASN1_TAG_EXPLICIT (0x100)
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#define ASN1_TAG_OPT (0x200)
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#define ASN1_NOT_TAGGED (0x400)
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#define CallASN1(ret, p, end, todo) do { \
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ret = todo; \
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if (ret < 0) { \
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int_error(); \
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return -1; \
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} \
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p += ret; \
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} while (0)
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#define INIT \
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int tag, len; \
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int ret; \
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u_char *beg; \
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\
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> %s\n", __FUNCTION__); \
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beg = p; \
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CallASN1(ret, p, end, ParseTag(p, end, &tag)); \
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CallASN1(ret, p, end, ParseLen(p, end, &len)); \
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if (len >= 0) { \
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if (p + len > end) \
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return -1; \
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end = p + len; \
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}
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#define XSEQUENCE_1(todo, act_tag, the_tag, arg1) do { \
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if (p < end) { \
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if (((the_tag) &~ ASN1_TAG_OPT) == ASN1_NOT_TAGGED) { \
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if (((u_char)act_tag == *p) || ((act_tag) == ASN1_NOT_TAGGED)) { \
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CallASN1(ret, p, end, todo(pc, p, end, arg1)); \
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} else { \
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if (!((the_tag) & ASN1_TAG_OPT)) { \
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> err 1 %s:%d\n", __FUNCTION__, __LINE__); \
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return -1; \
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} \
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} \
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} else { \
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if ((the_tag) & ASN1_TAG_EXPLICIT) { \
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if ((u_char)(((the_tag) & 0xff) | (ASN1_TAG_CONTEXT_SPECIFIC | ASN1_TAG_CONSTRUCTED)) == *p) { \
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int xtag, xlen; \
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CallASN1(ret, p, end, ParseTag(p, end, &xtag)); \
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CallASN1(ret, p, end, ParseLen(p, end, &xlen)); \
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CallASN1(ret, p, end, todo(pc, p, end, arg1)); \
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} else { \
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if (!(the_tag) & ASN1_TAG_OPT) { \
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> err 2 %s:%d\n", __FUNCTION__, __LINE__); \
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return -1; \
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} \
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} \
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} else { \
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if ((u_char)(((the_tag) & 0xff) | (ASN1_TAG_CONTEXT_SPECIFIC | (act_tag & ASN1_TAG_CONSTRUCTED))) == *p) { \
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CallASN1(ret, p, end, todo(pc, p, end, arg1)); \
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} else { \
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if (!(the_tag) & ASN1_TAG_OPT) { \
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> err 3 %s:%d\n", __FUNCTION__, __LINE__); \
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return -1; \
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} \
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} \
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} \
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} \
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} else { \
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if (!(the_tag) & ASN1_TAG_OPT) { \
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> err 4 %s:%d\n", __FUNCTION__, __LINE__); \
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return -1; \
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} \
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} \
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} while (0)
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#define XSEQUENCE_OPT_1(todo, act_tag, the_tag, arg1) \
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XSEQUENCE_1(todo, act_tag, (the_tag | ASN1_TAG_OPT), arg1)
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#define XSEQUENCE(todo, act_tag, the_tag) XSEQUENCE_1(todo, act_tag, the_tag, -1)
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#define XSEQUENCE_OPT(todo, act_tag, the_tag) XSEQUENCE_OPT_1(todo, act_tag, the_tag, -1)
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#define XCHOICE_1(todo, act_tag, the_tag, arg1) \
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if (act_tag == ASN1_NOT_TAGGED) { \
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return todo(pc, beg, end, arg1); \
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} \
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if (the_tag == ASN1_NOT_TAGGED) { \
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if (act_tag == tag) { \
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return todo(pc, beg, end, arg1); \
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} \
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} else { \
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if ((the_tag | (0x80 | (act_tag & 0x20))) == tag) { \
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return todo(pc, beg, end, arg1); \
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} \
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}
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#define XCHOICE(todo, act_tag, the_tag) XCHOICE_1(todo, act_tag, the_tag, -1)
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#define XCHOICE_DEFAULT do {\
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print_asn1msg(PRT_DEBUG_DECODE, " DEBUG> err 5 %s:%d\n", __FUNCTION__, __LINE__); \
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return -1; \
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} while (0)
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#define CHECK_P do { \
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if (p >= end) \
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return -1; \
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} while (0)
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/*
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** ASN.1 Encoding
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*/
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int encodeNull(__u8 *dest);
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int encodeBoolean(__u8 *dest, __u32 i);
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int encodeInt(__u8 *dest, __u32 i);
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int encodeEnum(__u8 *dest, __u32 i);
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int encodeNumberDigits(__u8 *dest, __s8 *nd, __u8 len);
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int encodePublicPartyNumber(__u8 *dest, __s8 *facilityPartyNumber);
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int encodePartyNumber(__u8 *dest, __s8 *facilityPartyNumber);
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int encodeServedUserNumber(__u8 *dest, __s8 *servedUserNumber);
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int encodeAddress(__u8 *dest, __s8 *facilityPartyNumber, __s8 *calledPartySubaddress);
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/*
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** ASN.1 Parsing
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*/
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int ParseBoolean(struct asn1_parm *pc, u_char *p, u_char *end, int *i);
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int ParseNull(struct asn1_parm *pc, u_char *p, u_char *end, int dummy);
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int ParseInteger(struct asn1_parm *pc, u_char *p, u_char *end, int *i);
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int ParseEnum(struct asn1_parm *pc, u_char *p, u_char *end, int *i);
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int ParseIA5String(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseNumericString(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseOctetString(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseARGReqCallDeflection(struct asn1_parm *pc, u_char *p, u_char *end, struct ReqCallDeflection *reqCD);
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int ParseARGActivationStatusNotificationDiv(struct asn1_parm *pc, u_char *p, u_char *end, struct ActDivNotification *actNot);
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int ParseARGDeactivationStatusNotificationDiv(struct asn1_parm *pc, u_char *p, u_char *end, struct DeactDivNotification *deactNot);
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int ParseARGInterrogationDiversion(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseRESInterrogationDiversion(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseARGInterrogateServedUserNumbers(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseRESInterrogateServedUserNumbers(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseARGDiversionInformation(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseIntResult(struct asn1_parm *parm, u_char *p, u_char *end, struct IntResult *intResult);
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int ParseIntResultList(struct asn1_parm *parm, u_char *p, u_char *end, struct IntResultList *intResultList);
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int ParseServedUserNr(struct asn1_parm *parm, u_char *p, u_char *end, struct ServedUserNr *servedUserNr);
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int ParseProcedure(struct asn1_parm *pc, u_char *p, u_char *end, int *procedure);
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int ParseServedUserNumberList(struct asn1_parm *parm, u_char *p, u_char *end, struct ServedUserNumberList *list);
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int ParseDiversionReason(struct asn1_parm *parm, u_char *p, u_char *end, char *str);
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int ParsePresentedAddressScreened(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParsePresentedNumberScreened(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParsePresentedNumberUnscreened(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseAddressScreened(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseNumberScreened(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseAddress(struct asn1_parm *pc, u_char *p, u_char *end, struct Address *address);
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int ParsePartyNumber(struct asn1_parm *pc, u_char *p, u_char *end, struct PartyNumber *partyNumber);
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int ParsePublicPartyNumber(struct asn1_parm *pc, u_char *p, u_char *end, struct PublicPartyNumber *publicPartyNumber);
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int ParsePrivatePartyNumber(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParsePublicTypeOfNumber(struct asn1_parm *pc, u_char *p, u_char *end, int *publicTypeOfNumber);
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int ParsePrivateTypeOfNumber(struct asn1_parm *pc, u_char *p, u_char *end, int *privateTypeOfNumber);
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int ParsePartySubaddress(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseUserSpecifiedSubaddress(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseNSAPSubaddress(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseSubaddressInformation(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseScreeningIndicator(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseNumberDigits(struct asn1_parm *pc, u_char *p, u_char *end, char *str);
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int ParseInvokeId(struct asn1_parm *parm, u_char *p, u_char *end, int *invokeId);
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int ParseOperationValue(struct asn1_parm *parm, u_char *p, u_char *end, int *operationValue);
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int ParseInvokeComponent(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseReturnResultComponent(struct asn1_parm *parm, u_char *p, u_char *end, int dummy);
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int ParseComponent(struct asn1_parm *parm, u_char *p, u_char *end);
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int XParseComponent(struct asn1_parm *parm, u_char *p, u_char *end);
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int ParseAOCECurrency(struct asn1_parm *pc, u_char *p, u_char *end, int dummy);
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int ParseAOCDChargingUnit(struct asn1_parm *pc,u_char *p, u_char *end, struct FacAOCDChargingUnit *chu);
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int ParseAOCDCurrency(struct asn1_parm *pc, u_char *p, u_char *end, struct FacAOCDCurrency *cur);
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int ParseAOCDCurrencyInfo(struct asn1_parm *pc,u_char *p, u_char *end, struct FacAOCDCurrency *cur);
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int ParseAOCDChargingUnitInfo(struct asn1_parm *pc,u_char *p, u_char *end, struct FacAOCDChargingUnit *chu);
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int ParseRecordedCurrency(struct asn1_parm *pc,u_char *p, u_char *end, struct FacAOCDCurrency *cur);
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int ParseRecordedUnitsList(struct asn1_parm *pc,u_char *p, u_char *end, int *recordedUnits);
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int ParseTypeOfChargingInfo(struct asn1_parm *pc,u_char *p, u_char *end, int *typeOfChargingInfo);
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int ParseRecordedUnits(struct asn1_parm *pc,u_char *p, u_char *end, int *recordedUnits);
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int ParseAOCDBillingId(struct asn1_parm *pc, u_char *p, u_char *end, int *billingId);
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int ParseAOCECurrencyInfo(struct asn1_parm *pc, u_char *p, u_char *end, int dummy);
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int ParseAOCEChargingUnitInfo(struct asn1_parm *pc,u_char *p, u_char *end, int dummy);
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int ParseAOCEBillingId(struct asn1_parm *pc,u_char *p, u_char *end, int *billingId);
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int ParseCurrency(struct asn1_parm *pc,u_char *p, u_char *end, char *currency);
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int ParseAmount(struct asn1_parm *pc,u_char *p, u_char *end, struct FacAOCDCurrency *cur);
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int ParseCurrencyAmount(struct asn1_parm *pc,u_char *p, u_char *end, int *currencyAmount);
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int ParseMultiplier(struct asn1_parm *pc,u_char *p, u_char *end, int *multiplier);
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int ParseTypeOfUnit(struct asn1_parm *pc,u_char *p, u_char *end, int *typeOfUnit);
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int ParseNumberOfUnits(struct asn1_parm *pc,u_char *p, u_char *end, int *numberOfUnits);
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int ParseChargingAssociation(struct asn1_parm *pc,u_char *p, u_char *end, int dummy);
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int ParseChargeIdentifier(struct asn1_parm *pc,u_char *p, u_char *end, int dummy);
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int ParseBasicService(struct asn1_parm *pc, u_char *p, u_char *end, int *basicService);
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#endif
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