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updates capa_explorer.py, enabling the user to choose b/w having bookmarks & comments. #2029

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updates capa_explorer.py, enabling the user to choose b/w having bookmarks & comments. #2029

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fe2a208
adding options for choosing b/w bookmarks & comments
Atlas-64 Mar 14, 2024
07fc637
trying to fix the lint issue
Atlas-64 Mar 14, 2024
94c9ada
trying to fix the lint issue
Atlas-64 Mar 14, 2024
e57ad9b
trying to fix the lint issue
Atlas-64 Mar 14, 2024
1ffa18c
adding short description to Changelog
Atlas-64 Mar 19, 2024
0491470
adding comment to bypass ruff hook
Atlas-64 Mar 19, 2024
e90b303
saved black hook formatting
Atlas-64 Mar 19, 2024
9e2984c
Merge branch 'master' into comments-bookmarks-option
Atlas-64 Mar 22, 2024
e7d67c1
seperating namespace and comment functionality within label_matches
Atlas-64 Mar 23, 2024
b7c5267
Merge branch 'comments-bookmarks-option' of https://github.com/Atlas-…
Atlas-64 Mar 23, 2024
8cff831
fixing flake8 linter violation
Atlas-64 Mar 23, 2024
c71e1bf
Merge branch 'master' into comments-bookmarks-option
Atlas-64 Mar 23, 2024
869c3bd
defining seperate namespace & comments functions
Atlas-64 Mar 27, 2024
acee34e
Merge branch 'comments-bookmarks-option' of https://github.com/Atlas-…
Atlas-64 Mar 27, 2024
f26a806
Merge branch 'master' into comments-bookmarks-option
Atlas-64 Mar 27, 2024
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20 changes: 17 additions & 3 deletions capa/ghidra/capa_explorer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -359,9 +359,23 @@ def main():
popup("capa explorer found no matches.") # type: ignore [name-defined] # noqa: F821
return capa.main.E_EMPTY_REPORT

for item in parse_json(capa_data):
item.bookmark_functions()
item.label_matches()
user_choice = askChoice( # type: ignore [name-defined] # noqa: F821
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"Choose b/w bookmarks & comments", "preferred action:", ["bookmarks", "comments", "both", "none"], "both")


if user_choice == "bookmarks":
for item in parse_json(capa_data):
item.bookmark_functions()
elif user_choice == "comments":
for item in parse_json(capa_data):
item.label_matches()
elif user_choice == "both":
for item in parse_json(capa_data):
item.bookmark_functions()
item.label_matches()
else:
pass
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This script modifies a Ghidra database by adding:

  1. new namespace named "capa" and corresponding namespace entries
  2. pre/plate-comments
  3. function bookmarks

We want our changes here to enable users to select any number of these options when running this script. Presently, the label_matches method creates the "capa" namespace, corresponding namespace entries, and pre/plate-comments. We need to modify the label_matches method to account for the user's selection and I'd recommend passing new boolean arguments to the label_matches method to implement this. Creating a new "capa" namespace and corresponding namespace entries should be grouped as one option, likewise with setting pre/plate-comments.

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@Atlas-64 Atlas-64 Mar 21, 2024 •
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@mike-hunhoff

So just to clarify for the adding comments based on the user input, we want to just have a boolean default and pass an argument based on what the user wants in the function call within the if-else statement.

and, if I understand right you'd like separate options for creating the 'capa' namespace and setting pre/plate comments, even though the namespace might be used for comments. Is that correct?

Can you elaborate on the reasoning behind separate options? Is it for user flexibility or maybe workflow reasons?

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Taking a step back, it may be easier to understand the requested changes by reviewing the README's UI integration section.

capa_explorer.py does three things:

  1. Add Ghidra top-level namespace named "capa" that is viewable in Ghidra's Symbol Tree window
  2. Add pre/plate comments that are viewable in Ghidra's Disassembly Listing and Decompiler windows
  3. Add bookmarks that are viewable in Ghidra's Bookmarks window

We'd like to give user's an option to choose which of these three things are executed based on their needs/workflow. For example, a user may be interested in options 1 and 3 while not wanting 100s of comments added to their Ghidra database by option 2.


logger.info("capa explorer analysis complete")
popup("capa explorer analysis complete.\nPlease see results in the Bookmarks Window and Namespaces section of the Symbol Tree Window.") # type: ignore [name-defined] # noqa: F821
return 0
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