mirror of
https://github.com/paleotronic/diskm8.git
synced 2024-09-07 21:54:28 +00:00
225 lines
4.7 KiB
Go
225 lines
4.7 KiB
Go
package main
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import (
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"crypto/sha256"
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"encoding/hex"
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"github.com/paleotronic/diskm8/disk"
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"github.com/paleotronic/diskm8/loggy"
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)
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func analyzePRODOS16(id int, dsk *disk.DSKWrapper, info *Disk) {
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l := loggy.Get(id)
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isPD, Format, Layout := dsk.IsProDOS()
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l.Logf("IsProDOS=%v, Format=%s, Layout=%d", isPD, Format, Layout)
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if isPD {
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dsk.Layout = Layout
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}
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// Sector bitmap
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l.Logf("Reading Disk VTOC...")
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vtoc, err := dsk.PRODOSGetVDH(2)
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if err != nil {
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l.Errorf("Error reading VTOC: %s", err.Error())
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return
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}
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info.Blocks = vtoc.GetTotalBlocks()
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l.Logf("Filecount: %d", vtoc.GetFileCount())
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l.Logf("Blocks: %d", info.Blocks)
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l.Logf("Reading sector bitmap and SHA256'ing sectors")
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info.Bitmap = make([]bool, info.Blocks)
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info.ActiveSectors = make(DiskSectors, 0)
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activeData := make([]byte, 0)
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vbitmap, err := dsk.PRODOSGetVolumeBitmap()
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if err != nil {
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l.Errorf("Error reading volume bitmap: %s", err.Error())
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return
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}
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l.Debug(vbitmap)
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for b := 0; b < info.Blocks; b++ {
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info.Bitmap[b] = !vbitmap.IsBlockFree(b)
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if info.Bitmap[b] {
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data, _ := dsk.PRODOSGetBlock(b)
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t, s1, s2 := dsk.PRODOSGetBlockSectors(b)
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sec1 := &DiskSector{
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Track: t,
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Sector: s1,
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SHA256: dsk.ChecksumSector(t, s1),
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}
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sec2 := &DiskSector{
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Track: t,
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Sector: s2,
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SHA256: dsk.ChecksumSector(t, s2),
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}
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if *ingestMode&2 == 2 {
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sec1.Data = data[:256]
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sec2.Data = data[256:]
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}
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info.ActiveSectors = append(info.ActiveSectors, sec1, sec2)
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activeData = append(activeData, data...)
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} else {
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data, _ := dsk.PRODOSGetBlock(b)
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t, s1, s2 := dsk.PRODOSGetBlockSectors(b)
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sec1 := &DiskSector{
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Track: t,
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Sector: s1,
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SHA256: dsk.ChecksumSector(t, s1),
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}
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sec2 := &DiskSector{
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Track: t,
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Sector: s2,
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SHA256: dsk.ChecksumSector(t, s2),
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}
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if *ingestMode&2 == 2 {
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sec1.Data = data[:256]
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sec2.Data = data[256:]
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}
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info.InactiveSectors = append(info.InactiveSectors, sec1, sec2)
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//activeData = append(activeData, data...)
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}
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}
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sum := sha256.Sum256(activeData)
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info.SHA256Active = hex.EncodeToString(sum[:])
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info.LogBitmap(id)
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// // Analyzing files
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l.Log("Starting Analysis of files")
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prodosDir(id, 2, "", dsk, info)
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exists := exists(*baseName + "/" + info.GetFilename())
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if !exists || *forceIngest {
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e := info.WriteToFile(*baseName + "/" + info.GetFilename())
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if e != nil {
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l.Errorf("Error writing fingerprint: %v", e)
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panic(e)
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}
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} else {
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l.Log("Not writing as it already exists")
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}
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out(dsk.Format)
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}
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func prodosDir(id int, start int, path string, dsk *disk.DSKWrapper, info *Disk) {
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l := loggy.Get(id)
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_, files, err := dsk.PRODOSGetCatalog(start, "*")
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if err != nil {
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l.Errorf("Problem reading directory: %s", err.Error())
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return
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}
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if info.Files == nil {
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info.Files = make([]*DiskFile, 0)
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}
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for _, fd := range files {
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l.Logf("- Path=%s, Name=%s, Type=%s", path, fd.NameUnadorned(), fd.Type())
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var file DiskFile
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if path == "" {
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file = DiskFile{
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Filename: fd.NameUnadorned(),
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Type: fd.Type().String(),
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Locked: fd.IsLocked(),
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Ext: fd.Type().Ext(),
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Created: fd.CreateTime(),
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Modified: fd.ModTime(),
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}
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} else {
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file = DiskFile{
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Filename: path + "/" + fd.NameUnadorned(),
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Type: fd.Type().String(),
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Locked: fd.IsLocked(),
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Ext: fd.Type().Ext(),
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Created: fd.CreateTime(),
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Modified: fd.ModTime(),
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}
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}
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if fd.Type() != disk.FileType_PD_Directory {
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_, _, data, err := dsk.PRODOSReadFileRaw(fd)
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if err == nil {
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sum := sha256.Sum256(data)
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file.SHA256 = hex.EncodeToString(sum[:])
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file.Size = len(data)
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if *ingestMode&1 == 1 {
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if fd.Type() == disk.FileType_PD_APP {
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file.Text = disk.ApplesoftDetoks(data)
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file.TypeCode = TypeMask_ProDOS | TypeCode(fd.Type())
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file.Data = data
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file.LoadAddress = fd.AuxType()
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} else if fd.Type() == disk.FileType_PD_INT {
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file.Text = disk.IntegerDetoks(data)
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file.TypeCode = TypeMask_ProDOS | TypeCode(fd.Type())
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file.Data = data
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file.LoadAddress = fd.AuxType()
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} else if fd.Type() == disk.FileType_PD_TXT {
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file.Text = disk.StripText(data)
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file.Data = data
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file.TypeCode = TypeMask_ProDOS | TypeCode(fd.Type())
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file.LoadAddress = fd.AuxType()
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} else {
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file.LoadAddress = fd.AuxType()
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file.Data = data
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file.TypeCode = TypeMask_ProDOS | TypeCode(fd.Type())
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}
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}
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}
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}
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info.Files = append(info.Files, &file)
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if fd.Type() == disk.FileType_PD_Directory {
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newpath := path
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if path != "" {
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newpath += "/" + fd.NameUnadorned()
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} else {
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newpath = fd.NameUnadorned()
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}
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prodosDir(id, fd.IndexBlock(), newpath, dsk, info)
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}
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}
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}
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