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// Archive/RpmHeader.h
#ifndef __ARCHIVE_RPM_HEADER_H
#define __ARCHIVE_RPM_HEADER_H
#include "Common/Types.h"
namespace NArchive {
namespace NRpm {
/* Reference: lib/signature.h of rpm package */
#define RPMSIG_NONE 0 /* Do not change! */
/* The following types are no longer generated */
#define RPMSIG_PGP262_1024 1 /* No longer generated */ /* 256 byte */
/* These are the new-style signatures. They are Header structures. */
/* Inside them we can put any number of any type of signature we like. */
#define RPMSIG_HEADERSIG 5 /* New Header style signature */
const UInt32 kLeadSize = 96;
struct CLead
{
unsigned char Magic[4];
unsigned char Major; // not supported ver1, only support 2,3 and lator
unsigned char Minor;
UInt16 Type;
UInt16 ArchNum;
char Name[66];
UInt16 OSNum;
UInt16 SignatureType;
char Reserved[16]; // pad to 96 bytes -- 8 byte aligned
bool MagicCheck() const
{ return Magic[0] == 0xed && Magic[1] == 0xab && Magic[2] == 0xee && Magic[3] == 0xdb; };
};
const UInt32 kEntryInfoSize = 16;
/*
struct CEntryInfo
{
int Tag;
int Type;
int Offset; // Offset from beginning of data segment, only defined on disk
int Count;
};
*/
// case: SignatureType == RPMSIG_HEADERSIG
const UInt32 kCSigHeaderSigSize = 16;
struct CSigHeaderSig
{
unsigned char Magic[4];
UInt32 Reserved;
UInt32 IndexLen; // count of index entries
UInt32 DataLen; // number of bytes
bool MagicCheck()
{ return Magic[0] == 0x8e && Magic[1] == 0xad && Magic[2] == 0xe8 && Magic[3] == 0x01; };
UInt32 GetLostHeaderLen()
{ return IndexLen * kEntryInfoSize + DataLen; };
};
}}
#endif
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