FreeCalypso > hg > freecalypso-tools
annotate ffstools/README.old @ 908:3aca343be11c
CHANGES: add TCH changes since fc-host-tools-r17
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 29 Dec 2022 09:54:09 +0000 |
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1 You are looking at the source for the TIFFS In Vitro Analyzer utility. You may |
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2 have downloaded it either as a separate package or as part of the larger |
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3 freecalypso-sw suite. |
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4 |
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5 See TIFFS-Overview (in ../doc if you are working with the full freecalypso-sw |
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6 source tree) for a general description of what TIFFS is and why it matters. |
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7 |
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8 The utility contained in the present package runs on a general purpose GNU/Linux |
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9 (or other Unix) host and enables "in vitro" examination of Flash File System |
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10 images read out of TI-based GSM devices. Using this utility, you can list the |
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11 directory and file content of an FFS image, cat any individual file in the FFS, |
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12 or extract the complete FFS content into your regular Unix file system. Some |
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13 "forensic" operations are also supported: by listing the inode array, one can |
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14 deduce the order in which the present FFS content got created, and see what |
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15 files have been overwritten or deleted in the span of still-visible history. |
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16 One can then cat the old byte content of those overwritten or deleted files, |
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17 if those data chunks are still in the FFS image (i.e., if the flash sector in |
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18 question has not been reclaimed yet). |
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19 |
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20 Compilation and installation are straightforward: run 'make' to compile the |
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21 source; you should get 3 executable binaries named tiffs, mokoffs and pirffs; |
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22 then run 'make install' as root to install them in /usr/local/bin. The binary |
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23 named tiffs is the main program; mokoffs and pirffs are wrappers that simplify |
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24 the most common current use cases. |
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25 |
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26 To install somewhere other than /usr/local/bin, edit the INSTBIN= setting in |
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27 the subdirectory Makefiles. You will also need to edit |
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28 tiffs-wrappers/installpath.c accordingly, as the mokoffs and pirffs wrappers |
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29 are designed to exec tiffs by its absolute installed pathname. |
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30 |
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31 See Usage for the usage instructions. |