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//
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//  img4.h
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//  img4tool
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//
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//  Created by tihmstar on 15.06.16.
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//  Copyright © 2016 tihmstar. All rights reserved.
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//
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#ifndef img4_h
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#define img4_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdio.h>
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//#include <plist/plist.h>
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#define LEN_XTND  0x80		/* Indefinite or long form */
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typedef unsigned char byte;
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#define putStr(s,l) printf("%.*s",(int)l,s)
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//TagClass
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#define kASN1TagClassUniversal       0
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#define kASN1TagClassApplication     1
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#define kASN1TagClassContextSpecific 2
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#define kASN1TagClassPrivate        3
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//primitive
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#define kASN1Primitive  0
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#define kASN1Contructed 1
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//tagNumber
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#define kASN1TagEnd_of_Content	0
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#define kASN1TagBOOLEAN         1
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#define kASN1TagINTEGER         2
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#define kASN1TagBIT             3
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#define kASN1TagOCTET           4
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#define kASN1TagNULL            5
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#define kASN1TagOBJECT          6
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#define kASN1TagObject          7
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#define kASN1TagEXTERNAL        8
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#define kASN1TagREAL            9
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#define kASN1TagENUMERATED      10 //0x0A
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#define kASN1TagEMBEDDED        11 //0x0B
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#define kASN1TagUTF8String      12 //0x0C
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#define kASN1TagRELATIVE_OID	13 //0x0D
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#define kASN1TagReserved        (14 | 15) //(0x0E | 0x0F)
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#define kASN1TagSEQUENCE        16 //0x10
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#define kASN1TagSET             17 //0x11
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#define kASN1TagNumericString	18 //0x12
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#define kASN1TagPrintableString	19 //0x13
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#define kASN1TagT61String       20 //0x14
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#define kASN1TagVideotexString	21 //0x15
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#define kASN1TagIA5String       22 //0x16
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#define kASN1TagUTCTime         23 //0x17
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#define kASN1TagGeneralizedTime	24 //0x18
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#define kASN1TagGraphicString	25 //0x19
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#define kASN1TagVisibleString	26 //0x1A
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#define kASN1TagGeneralString	27 //0x1B
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#define kASN1TagUniversalString	28 //0x1C
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#define kASN1TagCHARACTER       29 //0x1D
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#define kASN1TagBMPString       30 //0x1E
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#define kASN1TagPrivate   (char)0xff
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typedef struct{
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    byte tagNumber : 5;
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    byte isConstructed : 1;
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    byte tagClass : 2;
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}t_asn1Tag;
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typedef struct{
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    byte len : 7;
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    byte isLong : 1;
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}t_asn1Length;
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typedef struct{
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    size_t dataLen;
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    size_t sizeBytes;
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} t_asn1ElemLen;
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typedef struct{
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    byte num : 7;
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    byte more : 1;
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}t_asn1PrivateTag;
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#ifndef __cplusplus
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typedef enum{
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    false,
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    true
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}bool;
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#endif
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//asn1
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t_asn1ElemLen asn1Len(const char buf[4]);
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char *ans1GetString(char *buf, char **outString, size_t *strlen);
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int asn1ElementsInObject(const char *buf);
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char *asn1ElementAtIndex(const char *buf, int index);
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char *getValueForTagInSet(char *set, uint32_t tag);
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//img4
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void printIM4P(char *buf);
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void printIM4R(char *buf);
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void printIM4M(char *buf, bool printAll);
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void printMANB(char *buf, bool printAll);
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int sequenceHasName(const char *buf, char *name);
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int getSequenceName(const char *buf,char**name, size_t *nameLen);
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size_t asn1GetPrivateTagnum(t_asn1Tag *tag, size_t *sizebytes);
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int extractFileFromIM4P(char *buf, const char *dstFilename);
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void printElemsInIMG4(char *buf, bool printAll, bool im4pOnly);
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char *getElementFromIMG4(char *buf, char* element);
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int extractElementFromIMG4(char *buf, char* element, const char *dstFilename);
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char *makeIMG4(char *im4p, char *im4m, char *im4r, size_t *size);
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char *getBNCHFromIM4M(const char* im4m, size_t *nonceSize);
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char *getIM4PFromIMG4(char *buf);
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char *getIM4MFromIMG4(char *buf);
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int replaceNameInIM4P(char *buf, const char *newName);
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int verifyIM4MSignature(const char *buf);
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//int verifyIMG4(char *buf, plist_t buildmanifest);
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//plist_t getBuildIdentityForIM4M(const char *buf, const plist_t buildmanifest);
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//void printGeneralBuildIdentityInformation(plist_t buildidentity);
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char* extractPayloadFromIM4P(const char* buf, const char** compname, size_t *len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* img4_h */
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