4.44 beta

CPP/7zip/Archive/RPM/RpmHeader.h

@@ -0,0 +1,63 @@
+// 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