Clam 571 sigtool vba extraction improvements#852
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In testing I tried using the |
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Good catch, just pushed an update |
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Add a new cl_engine_set_clcb_vba() function to set a cb_vba callback function and add clcb_generic_data handler prototype to the clamav.h public API. The cb_vba callback function will be run whenever VBA is extracted from office documents. The provided data will be a normalized copy of the original VBA. This callback is added to support Sigtool so it can use the same VBA extraction logic as when scanning documents. Change the Sigtool temp directory creation for any commands that use temp directories so that you can select a custom temp directory with the `--tempdir=PATH` option, and can retain the temp files with the `--leave-temps` option. Added `--tempdir` and `--leave-temps` to the Sigtool `--help` output. Added `--tempdir` and `--leave-temps` to the Sigtool manpage.
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This PR deduplicates some vba extraction logic so sigtool works the same way libclamav does, and so it can extract more things.