Rev 73 | Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 12 | daniel-mar | 1 | Windows 95 |
| 2 | PurgeInfo Interpretation Theorety |
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| 3 | by Daniel Marschall |
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| 4 | |||
| 5 | = Locality = |
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| 6 | |||
| 7 | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\BitBucket: PurgeInfo (Binary) |
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| 8 | |||
| 9 | = Data structure = |
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| 10 | |||
| 11 | Offset 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f |
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| 12 | Data 48 00 00 00 01 00 00 00 0A 00 0A 00 0A 00 0A 00 |
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| 13 | Sign ?? ?? ?? ?? GS ?? ?? ?? Pa ?? Pb ?? Pc ?? Pd ?? |
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| 14 | |||
| 15 | Offset 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f |
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| 16 | Data 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 |
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| 17 | Sign Pe ?? Pf ?? Pg ?? Ph ?? Pi ?? Pj ?? Pk ?? Pl ?? |
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| 18 | |||
| 19 | Offset 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f |
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| 20 | Data 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 |
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| 21 | Sign Pm ?? Pn ?? Po ?? Pp ?? Pq ?? Pr ?? Ps ?? Pt ?? |
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| 22 | |||
| 23 | Offset 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f |
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| 24 | Data 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 0A 00 |
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| 25 | Sign Pu ?? Pv ?? Pw ?? Px ?? Py ?? Pz ?? ?? ?? PG ?? |
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| 26 | |||
| 27 | Offset 40 41 42 43 44 45 46 47 |
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| 28 | Data 00 00 00 00 04 0D 02 00 |
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| 29 | Sign N1 N2 N3 N4 ?? ?? ?? ?? |
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| 30 | |||
| 31 | = Legend = |
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| 32 | |||
| 33 | GS |
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| 34 | Global settings |
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| 35 | 0x00 = Individual settings for every drive |
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| 36 | 0x01 = Global settings for all drives |
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| 37 | |||
| 38 | Pa..Pz |
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| 39 | Percentage of the drive A..Z |
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| 40 | 0x00 = 0% |
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| 41 | 0x64 = 100% |
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| 42 | |||
| 43 | PG |
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| 44 | Percentage of all drives (Global setting) |
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| 45 | 0x00 = 0% |
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| 46 | 0x64 = 100% |
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| 47 | |||
| 48 | N1 |
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| 49 | "Nuke on delete" setting in a bitmask (7..0) |
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| 50 | Bit 0 = Flag for device A |
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| 51 | Bit 1 = Flag for device B |
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| 52 | Bit 2 = Flag for device C |
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| 53 | Bit 3 = Flag for device D |
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| 54 | Bit 4 = Flag for device E |
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| 55 | Bit 5 = Flag for device F |
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| 56 | Bit 6 = Flag for device G |
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| 57 | Bit 7 = Flag for device H |
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| 58 | |||
| 59 | N2 |
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| 60 | "Nuke on delete" setting in a bitmask (7..0) |
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| 61 | Bit 0 = Flag for device I |
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| 62 | Bit 1 = Flag for device J |
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| 63 | Bit 2 = Flag for device K |
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| 64 | Bit 3 = Flag for device L |
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| 65 | Bit 4 = Flag for device M |
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| 66 | Bit 5 = Flag for device N |
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| 67 | Bit 6 = Flag for device O |
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| 68 | Bit 7 = Flag for device P |
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| 69 | |||
| 70 | N3 |
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| 71 | "Nuke on delete" setting in a bitmask (7..0) |
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| 72 | Bit 0 = Flag for device Q |
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| 73 | Bit 1 = Flag for device R |
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| 74 | Bit 2 = Flag for device S |
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| 75 | Bit 3 = Flag for device T |
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| 76 | Bit 4 = Flag for device U |
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| 77 | Bit 5 = Flag for device V |
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| 78 | Bit 6 = Flag for device W |
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| 79 | Bit 7 = Flag for device X |
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| 80 | |||
| 81 | N4 |
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| 82 | "Nuke on delete" setting in a bitmask (7..0) |
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| 83 | Bit 0 = Flag for device Y |
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| 84 | Bit 1 = Flag for device Z |
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| 85 | Bit 2 = Unknown |
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| 86 | Bit 3 = Flag for global setting |
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| 87 | Bit 4 = Unknown |
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| 88 | Bit 5 = Unknown |
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| 89 | Bit 6 = Unknown |
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| 90 | Bit 7 = Unknown |
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| 91 | |||
| 92 | = Already confirmed = |
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| 93 | |||
| 94 | Checked with Windows 95b with 1 FAT32 drive. |
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| 95 | |||
| 96 | The functionality of following bytes was confirmed: |
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| 97 | - GS: Global settings |
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| 98 | - Pc: Percentage of drive C |
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| 99 | - PG: Percentage of global configuration |
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| 100 | - N1: Value 0x04 (0000 0100) and 0x00 (0000 0000) for changes at drive C |
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| 101 | - N4: Value 0x08 (0000 1000) and 0x00 (0000 0000) for changes at the global configuration |