fix: prevent terminal commands from bypassing .rooignore restrictions #7205
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- Enhanced RooIgnoreController.validateCommand() to detect shell redirections, command substitutions, and process substitutions - Added detection for additional file-reading commands (nl, tac, strings, hexdump, od, zcat, diff, etc.) - Added comprehensive test coverage for new command validation patterns - Fixes #7204
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| "sls", | ||
| // First, check for shell redirections and command substitutions that could read files | ||
| // These patterns can bypass simple command parsing | ||
| const dangerousPatterns = [ |
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Performance consideration: These regex patterns are evaluated for every command validation. Since validateCommand() might be called frequently, consider:
- Pre-compiling these patterns as class constants
- Using a single combined pattern where possible
- Short-circuiting on common non-matching cases
| // Input redirection: < file, <file | ||
| /<\s*([^\s<>|;&]+)/g, | ||
| // Command substitution: $(cat file), `cat file` | ||
| /\$\([^)]*\b(cat|head|tail|less|more|grep|awk|sed|type|gc|get-content)\s+([^\s)]+)[^)]*\)/gi, |
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Is this regex approach robust enough for all shell escaping scenarios? Complex shell syntax like nested quotes, escaped characters, or multi-line commands might bypass these patterns. Consider using a proper shell parser library for more comprehensive detection, or document the known limitations.
| const baseCommand = parts[0].toLowerCase() | ||
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| // Commands that read file contents | ||
| const fileReadingCommands = [ |
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This fileReadingCommands array is recreated for each pipeline command in the loop. Consider moving it outside the loop or making it a class constant to avoid repeated array creation.
| continue | ||
| } | ||
| // Remove quotes if present | ||
| const cleanArg = arg.replace(/^["']|["']$/g, "") |
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The quote removal logic only handles quotes at the beginning and end. What about escaped quotes or mixed quote types within the string? Consider a more robust quote parsing approach or document this as a known limitation.
| if (argsStr.includes(readCmd)) { | ||
| // Try to extract file paths from find patterns or xargs input | ||
| // This is complex, so we'll check common patterns | ||
| const filePatterns = argsStr.match(/(?:name|path)\s+["']?([^"'\s]+)["']?/gi) |
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The handling for xargs and find commands is limited. These commands can execute file operations in complex ways that might not be caught by the current pattern matching. Could we either enhance the detection or document these as potential bypass vectors that users should be aware of?
| ) | ||
| expect(controller.validateCommand("fc .git/config file2")).toBe(".git/config") | ||
| }) | ||
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Good test coverage! Consider adding a few more edge cases:
- Commands with environment variables: cat $HOME/secrets/file
- Commands with glob patterns: cat secrets/*.json
- Commands with command aliases: alias mycat=cat; mycat secrets/file
- Multi-line commands with line continuations
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This is not a good approach |
Fixes #7204
Problem
Roo was able to bypass
.rooignorerestrictions by using terminal commands likehead,cat, etc. to read files that should have been blocked. This defeated the purpose of the.rooignorefile and created a security concern.Solution
Enhanced the
RooIgnoreController.validateCommand()method to detect and block more file access patterns including:Shell Features Detection
< file,<file$(cat file),`cat file`<(cat file)<<< fileExpanded Command Coverage
Added detection for additional file-reading commands:
nl,tac,rev,cut,paste,sort,uniq,comm,diff,cmp,od,hexdump,xxd,strings,filezcat,zless,zmore,bzcat,xzcatfindstr,find,fcPipeline Analysis
The solution now analyzes commands in pipelines separately to catch patterns like:
cat ignored_file | grep patternecho test && head ignored_filels; tail ignored_fileTesting
Added comprehensive test coverage for all new validation patterns including:
All existing tests continue to pass, ensuring no regressions.
Impact
This fix ensures that
.rooignorerestrictions are consistently enforced, preventing any workarounds through terminal commands. Users can now trust that files marked in.rooignorewill remain inaccessible to Roo, maintaining the intended security boundaries.Important
Enhances
RooIgnoreControllerto block more file access patterns in terminal commands, ensuring.rooignorerestrictions are enforced.RooIgnoreController.validateCommand()to block more file access patterns, including input redirection, command substitution, process substitution, and here documents/strings.nl,tac,rev,cut,paste,sort,uniq,comm,diff,cmp,od,hexdump,xxd,strings,file,zcat,zless,zmore,bzcat,xzcat,findstr,find,fc.cat ignored_file | grep pattern.RooIgnoreController.spec.ts.This description was created by
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