feat: add permission auditor & fixer final version (implements #446) #536
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Implements issue cortexlinux#446: - Scan for dangerous permissions (777, world-writable) - Explain issues in plain English - Suggest correct permissions - Safe fixing with --fix flag - Docker UID mapping support Fixes cortexlinux#446
- Apply black code formatting to permissions modules - Replace deprecated typing.Dict/List with built-in dict/list - Fix import order with isort
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Important Review skippedDraft detected. Please check the settings in the CodeRabbit UI or the You can disable this status message by setting the 📝 WalkthroughWalkthroughThis PR introduces a comprehensive permission auditing and fixing system for the Cortex CLI. It adds a new Changes
Sequence DiagramssequenceDiagram
participant User
participant CLI as cortex/cli.py
participant Auditor as PermissionAuditor
participant Scanner as Directory Scanner
participant Report as Report Generator
User->>CLI: audit-permissions /path --fix
CLI->>Auditor: __init__(verbose, dry_run, docker_context)
Auditor->>Auditor: Initialize DockerPermissionHandler (if enabled)
CLI->>Auditor: scan_and_fix(path, apply_fixes=True)
Auditor->>Scanner: Recursively scan directory
Scanner->>Scanner: Check permissions for each file
Scanner->>Auditor: Return world-writable & 777 issues
Auditor->>Report: Build text report with issues
Auditor->>Auditor: suggest_fix() for each issue
Auditor->>Auditor: fix_permissions() if apply_fixes=True
Auditor->>Report: Add fix status to report
Report->>CLI: Return structured result
CLI->>User: Display report, return exit code
sequenceDiagram
participant Auditor as PermissionAuditor
participant Docker as DockerPermissionHandler
participant Container as Container Detection
participant Mapping as UID/GID Mapper
Auditor->>Docker: __init__(docker_context=True)
Docker->>Container: _detect_container_environment()
Container->>Container: Check /proc/self/cgroup
Container->>Container: Check /.dockerenv
Container->>Docker: Return container status
Docker->>Mapping: _discover_uid_mapping()
Mapping->>Mapping: Read /etc/passwd for UID→name
Mapping->>Docker: Return uid_mapping dict
Docker->>Mapping: _discover_gid_mapping()
Mapping->>Mapping: Read /etc/group for GID→name
Mapping->>Docker: Return gid_mapping dict
Auditor->>Docker: adjust_issue_for_container(issue)
Docker->>Docker: Enrich with container context & mappings
Docker->>Auditor: Return enriched issue dict
Estimated code review effort🎯 4 (Complex) | ⏱️ ~45 minutes Possibly related PRs
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Actionable comments posted: 8
🤖 Fix all issues with AI agents
In @cortex/cli.py:
- Around line 2000-2015: The CLI defines a --docker flag but
audit_permissions(...) never uses it; update audit_permissions to accept the
parsed --docker value and pass it to PermissionManager (or instantiate and use
DockerPermissionHandler when docker=True) so Docker UID mappings are considered,
e.g., read args.docker inside audit_permissions and either construct
PermissionManager(..., docker=True) or wrap/replace the normal handler with
DockerPermissionHandler, or if you prefer removing the flag, delete the --docker
argument and any references; ensure references to audit_permissions,
PermissionManager, DockerPermissionHandler, and the "--docker" flag are updated
consistently.
- Around line 121-143: Add type hints to audit_permissions (e.g., args:
argparse.Namespace or Any and -> int) and update its docstring to document
parameters and return value; replace prints with cx_print for both the report
print and the exception message (use cx_print(f"...")). Adjust the exit code
logic: return 0 only when result["issues_found"] == 0 or when apply_fixes
actually fixed all issues (e.g., apply_fixes and result.get("issues_fixed", 0)
== result["issues_found"]) instead of returning success merely because
apply_fixes is True; ensure you reference PermissionManager and its scan_and_fix
result keys when making these checks and add any needed typing imports.
In @cortex/permissions/__init__.py:
- Around line 12-21: The two wrapper functions lack return type annotations;
update scan_path and analyze_permissions to include explicit types by importing
typing and annotating scan_path(path: str) -> Any (or the specific ScanResult
type if one exists) and analyze_permissions(path: str) -> Dict[str, Any] (or a
more specific mapping type), and add the necessary imports (e.g., from typing
import Any, Dict) at the top of the module; preserve the existing logic and use
a more specific type name if there is a concrete return type for
PermissionAuditor.scan_directory.
In @cortex/permissions/auditor_fixer.py:
- Around line 35-36: Replace the global logging.basicConfig call in the
initializer with configuration of the module-level logger: obtain logger =
logging.getLogger(__name__) (or use the existing module logger), and when
verbose is true call logger.setLevel(logging.DEBUG) and ensure a StreamHandler
is attached if no handlers exist (optionally set a Formatter); remove
logging.basicConfig usage so you do not alter global logging configuration.
In @cortex/permissions/docker_handler.py:
- Around line 17-24: A test function
(test_get_container_specific_fix_with_docker_path) and its test-specific logic
(sys.path modification and an import of get_container_specific_fix) were
accidentally included inside the production class in
cortex.permissions.docker_handler; remove the entire test function and any
test-only lines (e.g., sys.path.insert and the import) from the file so the
class contains only production code, and if this test is needed create a proper
separate test file under tests that imports the real function by correct path.
In @tests/permissions/test_docker_handler.py:
- Around line 161-183: The assertions in test_discover_uid_mapping and
test_discover_gid_mapping are tautological because `len(mapping) >= 0` is always
true; change the second part to check for a non-empty mapping (`len(mapping) >
0`) so the assertion becomes "0 in mapping or len(mapping) > 0" (refer to the
mapping variable in both test_discover_uid_mapping and
test_discover_gid_mapping) to correctly validate that either root (0) is present
or the mapping is non-empty.
🧹 Nitpick comments (10)
tests/permissions/test_auditor_fixer.py (4)
61-91: Simplify test by usingtmp_pathfixture instead of manual/tmphandling.This test has redundant logic with a try/except fallback and re-imports
tempfile(already imported at line 7). The pytesttmp_pathfixture would simplify this significantly and ensure proper cleanup.♻️ Proposed refactor using tmp_path fixture
- def test_suggest_fix_method(self): + def test_suggest_fix_method(self, tmp_path): """Test that suggest_fix method works""" auditor = PermissionAuditor() assert hasattr(auditor, "suggest_fix") - test_file = "/tmp/test_suggest.txt" - try: - with open(test_file, "w") as f: - f.write("test") - os.chmod(test_file, 0o777) + test_file = tmp_path / "test_suggest.txt" + test_file.write_text("test") + test_file.chmod(0o777) - suggestion = auditor.suggest_fix(test_file, "777") - assert isinstance(suggestion, str) - assert "chmod" in suggestion - - os.remove(test_file) - - except Exception: - import tempfile - - with tempfile.NamedTemporaryFile(mode="w", delete=False) as f: - f.write("test") - temp_file = f.name - os.chmod(temp_file, 0o777) - - suggestion = auditor.suggest_fix(temp_file, "777") - assert isinstance(suggestion, str) - assert "chmod" in suggestion - - os.remove(temp_file) + suggestion = auditor.suggest_fix(str(test_file), "777") + assert isinstance(suggestion, str) + assert "chmod" in suggestion
247-250: Strengthen assertion to verify exact permission value.The assertion
oct(mode) != "0o777"is a weak negative check. It confirms the permissions changed but doesn't verify they were set to the expected value (644).♻️ Proposed fix for stronger assertion
# Verify permissions actually changed - mode = test_file.stat().st_mode & 0o777 - assert oct(mode) != "0o777" + assert oct(mode) == "0o644", f"Expected 0o644, got {oct(mode)}"
370-372: Remove trivial sanity-check test.This test provides no value for the permission auditor functionality and adds noise to the test suite.
♻️ Proposed removal
-def test_pytest_works(): - """Simple test to verify pytest is working""" - assert 1 + 1 == 2 - -
375-376: Consider removing theif __name__ == "__main__"block.Since pytest is the test runner, this block is rarely used and adds maintenance overhead. Most projects rely solely on
pytestCLI.cortex/permissions/auditor_fixer.py (2)
225-246: The fix application logic is functional but parsing is fragile.The suggestion parsing relies on string splitting which works for the current format but could break if the format changes. Consider storing structured fix data instead of parsing strings.
That said, the current implementation works correctly with the existing
suggest_fixoutput format.
166-175: Add return type annotation toscan_and_fix.Per coding guidelines, type hints are required. The method returns a dictionary with specific keys.
♻️ Proposed fix
- def scan_and_fix(self, path=".", apply_fixes=False, dry_run=None): + def scan_and_fix( + self, path: str | Path = ".", apply_fixes: bool = False, dry_run: Optional[bool] = None + ) -> dict[str, Union[str, int, dict, bool]]:As per coding guidelines, type hints are required in Python code.
cortex/permissions/docker_handler.py (4)
66-68: Use logging instead of print for verbose output.The main
auditor_fixer.pyuses theloggingmodule, but this handler usesprint(). For consistency and proper log level control, use logging.♻️ Proposed fix
Add at the top of the file:
import logging logger = logging.getLogger(__name__)Then replace print statements:
except (OSError, PermissionError) as e: if self.verbose: - print(f"Container detection warning: {e}") + logger.debug(f"Container detection warning: {e}")Apply similar changes to lines 124 and 172.
377-385: LGTM, but remove the trailing comment.The function is correct. However, the comment at lines 384-385 appears to be a TODO note that should be removed from production code.
♻️ Remove TODO comment
def detect_docker_uid_mapping() -> dict: """Detect Docker UID mapping for current environment.""" handler = DockerPermissionHandler() return handler.container_info - - -# Update auditor_fixer.py to use Docker handler -# Add this import and integration
177-205: Add return type annotations to public methods.Methods like
adjust_issue_for_containerandget_container_specific_fixare missing return type annotations. Per coding guidelines, type hints are required.♻️ Add return types
- def adjust_issue_for_container(self, issue: dict) -> dict: + def adjust_issue_for_container(self, issue: dict[str, any]) -> dict[str, any]:Note: Consider using
TypedDictfor more precise typing of the issue and fix dictionaries.As per coding guidelines, type hints are required in Python code.
11-11: Unused import:Optionalis imported but never used.♻️ Either remove or use Optional
-from typing import Optional +from typing import Optional, AnyThen use
Optional[int]for parameters likehost_uidandhost_gidinfix_docker_bind_mount_permissions.
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🧠 Learnings (1)
📚 Learning: 2025-12-11T12:03:24.071Z
Learnt from: CR
Repo: cortexlinux/cortex PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-11T12:03:24.071Z
Learning: Applies to **/*install*.py : Implement audit logging to ~/.cortex/history.db for all package operations
Applied to files:
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🧬 Code graph analysis (4)
cortex/permissions/docker_handler.py (1)
tests/permissions/test_docker_handler.py (1)
test_get_container_specific_fix_with_docker_path(246-260)
cortex/cli.py (2)
cortex/permission_manager.py (1)
PermissionManager(30-173)cortex/permissions/auditor_fixer.py (1)
scan_and_fix(166-258)
tests/permissions/test_auditor_fixer.py (4)
cortex/permissions/auditor_fixer.py (5)
PermissionAuditor(15-258)scan_directory(38-89)suggest_fix(91-127)fix_permissions(129-164)scan_and_fix(166-258)cortex/permissions/docker_handler.py (3)
DockerPermissionHandler(14-374)_uid_to_name(326-331)detect_docker_uid_mapping(378-381)cortex/logging_system.py (1)
info(200-202)cortex/permissions/__init__.py (2)
scan_path(12-15)analyze_permissions(18-21)
tests/permissions/test_docker_handler.py (1)
cortex/permissions/docker_handler.py (11)
DockerPermissionHandler(14-374)detect_docker_uid_mapping(378-381)adjust_issue_for_container(177-205)get_container_specific_fix(207-230)_uid_to_name(326-331)_gid_to_name(333-338)generate_docker_permission_report(340-374)fix_docker_bind_mount_permissions(232-324)_discover_uid_mapping(77-128)_discover_gid_mapping(130-175)test_get_container_specific_fix_with_docker_path(17-23)
🔇 Additional comments (16)
tests/permissions/test_config.py (1)
1-67: LGTM! Comprehensive config testing.The test suite provides solid coverage of the configuration constants. Each test validates both structure and expected values, which will catch regressions if config constants are modified incorrectly.
cortex/cli.py (2)
25-25: LGTM! Import follows module conventions.The import uses the PermissionManager alias, which is properly exported from
cortex.permissions.__init__.pyas a compatibility layer.
2072-2073: LGTM! Command routing follows established pattern.The routing for
audit-permissionsis consistent with other CLI commands in the file.cortex/permissions/config.py (1)
1-82: LGTM! Well-organized configuration constants.The configuration module provides a clear, centralized location for permission auditing constants. The values are sensible (e.g., 0o777 flagged as dangerous, sensitive files like
.ssh/id_rsaprotected with 0o600) and well-documented with inline comments.cortex/permissions/__init__.py (2)
1-10: LGTM! Clean module structure with compatibility aliases.The import structure and compatibility aliases (PermissionManager, PermissionFixer) provide a nice facade over the underlying PermissionAuditor implementation.
24-31: LGTM! Complete public API surface.The
__all__list properly exports all public interfaces including the main classes, aliases, and wrapper functions.tests/permissions/test_docker_handler.py (3)
10-78: LGTM! Comprehensive basic validation tests.The tests properly validate the DockerPermissionHandler's structure, instantiation, and basic functionality including container detection and issue adjustment.
80-111: LGTM! UID/GID name resolution tests cover edge cases.The tests validate both existing (root, current user) and non-existing (99999) UIDs/GIDs, ensuring proper fallback behavior.
113-260: LGTM! Thorough edge case coverage.The remaining tests provide excellent coverage including:
- Report generation with various paths
- Bind mount permission fixes in dry-run mode
- Non-existent path handling
- Container info type validation
- Docker-specific path handling
The tests properly use
tmp_pathfixtures and validate both success and error cases.tests/permissions/test_auditor_fixer.py (2)
1-13: LGTM! Module docstring and imports are clean.The imports are appropriate for the test file. Using
pytestfixtures and standard library modules (os,stat,tempfile,pathlib.Path) is correct for this test suite.
123-129: Assertion format mismatch: fallback format isUID{uid}notUID0.Per the implementation in
docker_handler.pyline 331, the fallback format isf"UID{uid}"which would produce"UID0"for UID 0, so the assertion is correct. However, at line 129, the check"UID99999" in resultis correct.The tests correctly cover both the successful lookup case (root) and the fallback case (high UID).
cortex/permissions/auditor_fixer.py (3)
1-13: LGTM! Module setup is clean with appropriate imports.The imports are minimal and appropriate. Using
logging.getLogger(__name__)is the correct pattern for module-level logging.
38-89: LGTM! The scanning logic correctly identifies world-writable and 777 files.The method properly:
- Validates input path existence and type
- Uses
rglobfor recursive scanning- Distinguishes between world-writable (any file with
S_IWOTH) and exactly 777 permissions- Handles permission errors gracefully during iteration
129-164: LGTM! Permission fixing logic is correct and safe.The method correctly:
- Preserves file type bits when applying new permissions
- Verifies the change after application
- Provides clear dry-run messaging
- Handles errors appropriately
cortex/permissions/docker_handler.py (2)
77-128: LGTM! UID mapping discovery is robust.The approach of checking common container UIDs against actual system entries is practical. The fallback ensures the handler always returns usable data even in restricted environments.
340-374: LGTM! Report generation is informative and user-friendly.The report format is consistent with the main auditor's style and provides useful container-specific context.
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Actionable comments posted: 4
🤖 Fix all issues with AI agents
In @cortex/cli.py:
- Around line 127-159: In audit_permissions(), the exit-code logic incorrectly
treats the presence of the --fix flag (apply_fixes) as a successful fix; change
the return to check the scan_and_fix result's "fixed" flag instead.
Specifically, in the audit_permissions method after calling
manager.scan_and_fix(...) use result["fixed"] in the final conditional (i.e.,
return 0 if result["issues_found"] == 0 or result["fixed"] else 1) so success is
only reported when fixes were actually applied rather than merely requested.
In @cortex/permissions/docker_handler.py:
- Around line 199-222: The get_container_specific_fix method sets
fix["recommended"] to the strings "0o755"/"0o644" which is inconsistent with the
codebase and PermissionAuditor.fix_permissions; change that assignment to use
octal integer literals (fix["recommended"] = 0o755 if issue.get("is_directory")
else 0o644) so the value matches config.DOCKER_RECOMMENDED_PERMISSIONS and
downstream code that expects octal ints.
In @fix_cli.py:
- Around line 1-21: Delete the one-off patching script fix_cli.py from the
repository and instead apply the intended import change directly inside
cortex/cli.py: replace the occurrence of "from cortex.permissions import
PermissionManager" with "from cortex.permissions.auditor_fixer import
PermissionAuditor" and, if compatibility is required, add "PermissionManager =
PermissionAuditor" in cortex/cli.py; remove the Russian comments and any fragile
one-off logic from the repo so the import change is permanent, validated
in-source, and under normal code review/version control.
🧹 Nitpick comments (5)
cortex/permissions/docker_handler.py (1)
378-379: Remove leftover development comment.Lines 378-379 contain a TODO-style comment about adding integration to
auditor_fixer.py. Since this module is already integrated (as evidenced by the tests and CLI usage), this comment should be removed.🧹 Proposed cleanup
# Convenience function def detect_docker_uid_mapping() -> dict: """Detect Docker UID mapping for current environment.""" handler = DockerPermissionHandler() return handler.container_info - - -# Update auditor_fixer.py to use Docker handler -# Add this import and integrationtests/permissions/test_auditor_fixer.py (2)
99-111: Consider testing through the public API instead of private methods.Lines 106 and 110 directly test the private method
_uid_to_name(). This couples tests to implementation details and can make refactoring more difficult. Consider testing this functionality through public methods that use_uid_to_name()internally, such asgenerate_docker_permission_report()orfix_docker_bind_mount_permissions().
356-357: Remove non-standardif __name__block.The
if __name__ == "__main__"block withpytest.main()is non-standard for pytest test files. Pytest is typically invoked via the command line (pytest tests/) or through test discovery, not by executing the test file directly. This adds unnecessary coupling.♻️ Simplify by removing the block
- -if __name__ == "__main__": - pytest.main([__file__, "-v"])cortex/permissions/auditor_fixer.py (2)
132-142: Refactor duplicate detection to avoid fragile string parsing.Lines 136-142 parse suggestion strings to check for duplicates by extracting file paths with
s.split()[2].strip("'"). This is brittle and assumes a specific format. If thesuggest_fix()format changes, this logic breaks.♻️ More robust approach using a set
Add a set to track files with suggestions:
try: + files_with_suggestions = set() for item in path.rglob("*"): if item.is_file(): try: mode = item.stat().st_mode file_path = str(item) # Check for world-writable (others have write permission) if mode & stat.S_IWOTH: # Others write (0o002) result["world_writable"].append(file_path) - suggestion = self.suggest_fix( - file_path, current_perms=oct(mode & 0o777) - ) - result["suggestions"].append(suggestion) + if file_path not in files_with_suggestions: + suggestion = self.suggest_fix( + file_path, current_perms=oct(mode & 0o777) + ) + result["suggestions"].append(suggestion) + files_with_suggestions.add(file_path) # Check for 777 permissions if (mode & 0o777) == 0o777: if file_path not in result["dangerous"]: result["dangerous"].append(file_path) - if file_path not in [ - s.split()[2].strip("'") - for s in result["suggestions"] - if len(s.split()) > 2 - ]: + if file_path not in files_with_suggestions: suggestion = self.suggest_fix(file_path, current_perms="777") result["suggestions"].append(suggestion) + files_with_suggestions.add(file_path)
292-308: Consider simplifying or removing the "ONE COMMAND TO FIX ALL" section.This section has several concerns:
- Line 292: Russian comment should be in English for consistency with the rest of the codebase.
- Lines 299-301: Again relies on fragile string parsing to extract chmod commands from suggestions.
- Line 305: Chaining commands with
&&means if one fails, subsequent commands won't execute. This could leave the system in a partially-fixed state.Consider either:
- Removing this section entirely (users can review individual suggestions), or
- Generating a shell script file that handles errors gracefully
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🧠 Learnings (2)
📚 Learning: 2025-12-11T12:03:24.071Z
Learnt from: CR
Repo: cortexlinux/cortex PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-11T12:03:24.071Z
Learning: Applies to **/*install*.py : Implement audit logging to ~/.cortex/history.db for all package operations
Applied to files:
cortex/cli.py
📚 Learning: 2025-12-11T12:03:24.071Z
Learnt from: CR
Repo: cortexlinux/cortex PR: 0
File: AGENTS.md:0-0
Timestamp: 2025-12-11T12:03:24.071Z
Learning: Applies to **/*.py : Type hints required in Python code
Applied to files:
cortex/permissions/__init__.py
🧬 Code graph analysis (5)
cortex/cli.py (2)
cortex/permissions/__init__.py (1)
PermissionAuditor(8-14)cortex/permissions/auditor_fixer.py (2)
PermissionAuditor(15-349)scan_and_fix(229-349)
tests/permissions/test_docker_handler.py (2)
cortex/permissions/__init__.py (1)
DockerPermissionHandler(17-23)cortex/permissions/docker_handler.py (2)
DockerPermissionHandler(14-368)detect_docker_uid_mapping(372-375)
cortex/permissions/auditor_fixer.py (2)
cortex/permissions/__init__.py (2)
PermissionAuditor(8-14)DockerPermissionHandler(17-23)cortex/permissions/docker_handler.py (1)
DockerPermissionHandler(14-368)
cortex/permissions/docker_handler.py (1)
cortex/permissions/__init__.py (1)
DockerPermissionHandler(17-23)
cortex/permissions/__init__.py (3)
cortex/permissions/auditor_fixer.py (2)
PermissionAuditor(15-349)scan_directory(68-152)cortex/permissions/docker_handler.py (1)
DockerPermissionHandler(14-368)cortex/permission_manager.py (1)
PermissionManager(30-173)
🔇 Additional comments (6)
tests/permissions/test_docker_handler.py (1)
161-183: Previous issue resolved.The tautological assertions flagged in the previous review have been correctly fixed. The assertions now properly validate that either root (UID/GID 0) is present in the mapping OR the mapping is non-empty (
len(mapping) > 0).cortex/permissions/docker_handler.py (1)
292-307: Previous issue resolved.The bug where the
successflag was set prematurely inside the loop has been correctly fixed. The method now tracksall_succeededacross all actions and setsresult["success"]only after all actions complete.cortex/cli.py (1)
2082-2097: LGTM: Argument parser properly configured.The argument parser for
audit-permissionsis well-structured with appropriate flags. The previously flagged unused--dockerflag is now properly consumed by theaudit_permissionsmethod (line 141).cortex/permissions/__init__.py (1)
8-14: LGTM! Clean lazy-loading proxy pattern.The
__new__override correctly implements lazy loading by deferring the import ofRealPermissionAuditoruntil instantiation. This pattern reduces startup time and avoids circular import issues.tests/unit/test_hwprofiler.py (2)
76-88: Verify parser compatibility with the formatting change.Similar to the AMD test, the Intel Xeon mock data formatting was changed from tabs to spaces. Confirm that the CPU parser handles both whitespace formats correctly.
This change also appears outside the scope of a permission auditing PR. If this is a deliberate test improvement, consider documenting the intent or moving it to a dedicated refactoring PR.
32-50: No action needed on the formatting change.The mock cpuinfo data format (space-aligned vs. tab-delimited) is handled correctly by the parser. The
detect_cpu()method uses regex patterns with\s*(matching any whitespace) andsplit(":").strip()logic, both of which work identically with tabs or spaces. The test data is valid and will parse correctly.If this formatting change is incidental and unrelated to the PR's permission auditing objectives, consider moving it to a separate test maintenance PR for clarity.
Likely an incorrect or invalid review comment.
|
@Anshgrover23 I'm so sorry. It's my first time when I'm trying to work with bounties :( I will fix final issues right now |
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🤖 Fix all issues with AI agents
In @cortex/cli.py:
- Around line 126-163: The audit_permissions method currently leaves apply_fixes
False when the user passes --dry-run, so scan_and_fix never generates previewed
fixes; change the logic that computes apply_fixes (now using
getattr(args,"fix",False)) to set apply_fixes=True if either args.fix is True OR
args.dry_run is True while still instantiating PermissionManager with
dry_run=getattr(args,"dry_run", True) so fixes are only previewed (dry_run True)
but scan_and_fix receives apply_fixes=True to produce the preview; update
references in audit_permissions and keep manager = PermissionManager(...) and
the call result = manager.scan_and_fix(path=path, apply_fixes=apply_fixes).
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cortex/cli.py (3)
25-26: LGTM!The import and alias are correctly structured and align with the lazy-loading proxy pattern used in the permissions module.
2086-2101: LGTM! Argument parser correctly defined.The CLI arguments for
audit-permissionsare well-structured with clear help text. The command exposes path scanning, fix application, dry-run mode, Docker context awareness, and verbose output options as intended.
2157-2158: LGTM! Command routing is correct.The
audit-permissionscommand is properly wired to thecli.audit_permissions(args)handler, consistent with the routing pattern used for other commands.
recheck |
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @cortex/cli.py:
- Around line 127-166: The audit_permissions flow lets both --fix and --dry-run
be true which causes apply_fixes to be computed incorrectly and passes
dry_run=True to scan_and_fix; update the CLI so these flags cannot be combined
or validate them in audit_permissions: either (A) make the parser arguments for
"--fix" and "--dry-run" mutually exclusive in the argument parser (use an
argparse mutually exclusive group when defining the audit command) or (B) add
explicit validation at the start of audit_permissions to detect if
getattr(args,"fix",False) and getattr(args,"dry_run",False) are both True and
raise/print an error and return 1; ensure any change references the
audit_permissions function and the scan_and_fix call so apply_fixes and dry_run
passed to PermissionManager.scan_and_fix behave unambiguously.
🧹 Nitpick comments (2)
cortex/cli.py (2)
25-27: Consider a more distinctive alias name.The alias
PermissionManagercreates potential confusion sincecortex.permission_manager.PermissionManageralready exists (used indocker_permissionsat line 61). While the code works due to local imports, using a more distinctive name likePermissionAuditorManageror directly usingPermissionAuditorwould improve clarity.
138-150: Simplify redundantdry_runinitialization.The
PermissionManageris initialized withdry_runat line 140, butscan_and_fixis always called with an explicitdry_runparameter at line 150, making the initialization value unused. For clarity, either:
- Pass
dry_run=Nonetoscan_and_fixto use the manager's initialized value, or- Remove
dry_runfrom the manager initialization if the implementation supports itThis improves maintainability by removing redundant parameter passing.
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📚 Learning: 2025-12-11T12:03:24.071Z
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Learning: Applies to **/*install*.py : Dry-run by default for all installations in command execution
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Actionable comments posted: 1
🤖 Fix all issues with AI agents
In @cortex/cli.py:
- Around line 25-27: The module-level alias PermissionManager =
PermissionAuditor creates a confusing naming collision with the different
PermissionManager imported inside docker_permissions; remove the alias or rename
it (e.g., PermissionAuditorManager = PermissionAuditor) and update references in
audit_permissions to use the new name (or use PermissionAuditor directly) so
that the file no longer contains two different classes named PermissionManager;
adjust any usage in audit_permissions and ensure docker_permissions keeps its
local import of PermissionManager unchanged.
🧹 Nitpick comments (2)
cortex/cli.py (2)
136-150: Simplify the confusing apply_fixes logic and inconsistent dry_run defaults.Several issues make this code harder to understand:
Line 147:
apply_fixes = dry_run_flag or fix_flagis semantically confusing. The nameapply_fixessuggests "actually apply fixes", but it's True even when only previewing (dry-run). Consider renaming toattempt_fixesorshould_generate_fix_suggestions.Lines 140 vs 145: Inconsistent defaults for
dry_run:
- Line 140:
dry_run=getattr(args, "dry_run", True)(defaults to True)- Line 145:
dry_run_flag = getattr(args, "dry_run", False)(defaults to False)- The manager's initialization value is immediately overridden at line 150, making line 140's default misleading.
Overall: The double-extraction of the same flag with different defaults adds unnecessary complexity.
♻️ Cleaner approach
try: + # Extract flags once + path = getattr(args, "path", ".") + fix_flag = getattr(args, "fix", False) + dry_run_flag = getattr(args, "dry_run", False) + # Initialize manager manager = PermissionManager( verbose=getattr(args, "verbose", False), - dry_run=getattr(args, "dry_run", True), + dry_run=True, # Always use safe default; overridden below docker_context=getattr(args, "docker", False), ) - path = getattr(args, "path", ".") - dry_run_flag = getattr(args, "dry_run", False) - fix_flag = getattr(args, "fix", False) - apply_fixes = dry_run_flag or fix_flag + # Determine behavior: + # - No flags: just scan (apply_fixes=False) + # - --dry-run: scan and preview fixes (apply_fixes=True, dry_run=True) + # - --fix: scan and apply fixes (apply_fixes=True, dry_run=False) + should_suggest_fixes = dry_run_flag or fix_flag + actual_dry_run = not fix_flag # False only when --fix is used # Scan and fix - result = manager.scan_and_fix(path=path, apply_fixes=apply_fixes, dry_run=dry_run_flag) + result = manager.scan_and_fix( + path=path, + apply_fixes=should_suggest_fixes, + dry_run=actual_dry_run + )
2107-2107: Remove redundant --verbose flag; use the global flag instead.Line 2107 defines a
--verboseflag specifically for theaudit-permissionssubcommand, but a global--verboseflag is already defined at line 1829 that applies to all commands. Redefining it here is redundant and creates inconsistency with other subcommands that rely on the global flag.🔧 Proposed fix
audit_parser.add_argument( "--docker", action="store_true", help="Consider Docker container UID mappings" ) - audit_parser.add_argument("--verbose", "-v", action="store_true", help="Show detailed output")The method at line 138 already uses
getattr(args, "verbose", False)which will correctly pick up the global flag.
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2164-2165: LGTM!Command routing is correctly implemented and follows the existing pattern in the file.
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@altynai9128 Kindly resolve conflicts.
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@altynai9128 Kindly resolve conflicts.Making it draft until then.
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🧹 Nitpick comments (17)
cortex/cli.py (2)
141-153: Inconsistent default value fordry_runparameter.Line 143 uses
getattr(args, "dry_run", True)as default, but line 148 usesgetattr(args, "dry_run", False). Since the CLI argument--dry-runisstore_true(defaults toFalsewhen not passed), the default on line 143 should also beFalsefor consistency.Suggested fix
try: # Initialize manager manager = PermissionManager( verbose=getattr(args, "verbose", False), - dry_run=getattr(args, "dry_run", True), + dry_run=getattr(args, "dry_run", False), docker_context=getattr(args, "docker", False), )
2415-2432: Duplicate--verboseflag may cause confusion.Line 2432 adds
--verboseto theaudit-permissionssubparser, but there's already a global--verboseflag at line 2154. This redundancy may confuse users and could lead to inconsistent behavior depending on flag placement.Consider removing the subcommand-specific
--verboseand relying on the global flag, or ensure the audit method checks both.Suggested fix: Remove duplicate --verbose
audit_parser.add_argument( "--docker", action="store_true", help="Consider Docker container UID mappings" ) - audit_parser.add_argument("--verbose", "-v", action="store_true", help="Show detailed output")cortex/permissions/auditor_fixer.py (5)
25-37: Missing type hints on__init__parameters.Per coding guidelines, type hints are required in Python code. The
__init__method parameters lack type annotations.Suggested fix
- def __init__(self, verbose=False, dry_run=True, docker_context=False): + def __init__(self, verbose: bool = False, dry_run: bool = True, docker_context: bool = False): self.verbose = verbose self.dry_run = dry_run self.docker_handler = None
129-134: World-writable directories are not scanned.The scan only checks files (
item.is_file()on line 133), but world-writable directories are equally dangerous (attackers can create files in them). Consider also checking directories.Suggested fix
def _scan_files_for_permissions(self, path: Path, result: dict) -> None: """Scan all files in directory for dangerous permissions.""" try: for item in path.rglob("*"): - if item.is_file(): + if item.is_file() or item.is_dir(): self._check_file_permissions(item, result) except OSError as e: logger.error(f"Error scanning directory {path}: {e}")
168-175: Fragile duplicate detection via string parsing.
_has_suggestion_for_fileparses the suggestion string to extract the file path, which is brittle if the format changes. Consider tracking suggested files with asetin the result dict instead.Suggested approach
def scan_directory(self, directory_path: str | Path) -> dict[str, list[str]]: ... path = Path(directory_path).resolve() - result = {"world_writable": [], "dangerous": [], "suggestions": [], "docker_context": False} + result = {"world_writable": [], "dangerous": [], "suggestions": [], "docker_context": False, "_suggested_files": set()} ... def _check_world_writable(self, mode: int, file_path: str, result: dict) -> None: """Check if file is world-writable.""" if mode & stat.S_IWOTH: result["world_writable"].append(file_path) - suggestion = self.suggest_fix(file_path, current_perms=oct(mode & 0o777)) - result["suggestions"].append(suggestion) + if file_path not in result.get("_suggested_files", set()): + suggestion = self.suggest_fix(file_path, current_perms=oct(mode & 0o777)) + result["suggestions"].append(suggestion) + result.setdefault("_suggested_files", set()).add(file_path)
347-366: Fragile command extraction in_add_one_command_fix.The method parses suggestion strings to extract chmod commands (lines 354-357). This is fragile and duplicates the parsing logic from
_has_suggestion_for_file. Consider storing structured fix data instead of parsing generated strings.
252-261: Missing return type hint onscan_and_fix.Per coding guidelines, type hints are required. The
scan_and_fixmethod lacks a return type annotation.Suggested fix
- def scan_and_fix(self, path=".", apply_fixes=False, dry_run=None): + def scan_and_fix(self, path: str = ".", apply_fixes: bool = False, dry_run: bool | None = None) -> dict:cortex/permissions/docker_handler.py (4)
6-11: Unused import:re.The
remodule is imported but never used in this file.Suggested fix
import grp import os import pwd -import re from pathlib import Path from typing import Optional
37-39: Specify encoding when opening files.The file is opened without explicit encoding. For consistency and to avoid potential issues on systems with non-UTF-8 defaults, specify
encoding="utf-8".Suggested fix
if os.path.exists(cgroup_path): - with open(cgroup_path) as f: + with open(cgroup_path, encoding="utf-8") as f: content = f.read()
358-360: Fragile permission extraction from command string.Line 359 parses the chmod command string to extract the permission value. This is fragile and depends on the exact format produced by
_create_chmod_action. Consider storing the recommended permission directly in the action dict.Suggested fix
def _create_chmod_action(self, current_mode: int, path_obj: Path) -> dict: """Create chmod action dictionary.""" recommended = 0o755 if path_obj.is_dir() else 0o644 return { "type": "chmod", "command": f"chmod {oct(recommended)[2:]} '{path_obj}'", "description": f"Fix dangerous permissions {oct(current_mode)} -> {oct(recommended)}", + "mode": recommended, } def _execute_real_actions( ... elif action["type"] == "chmod": - recommended = int(action["command"].split()[1], 8) + recommended = action.get("mode", 0o644) os.chmod(path_obj, recommended)
423-427: Missing return type hint on convenience function.Per coding guidelines, type hints are required.
Suggested fix
-def detect_docker_uid_mapping() -> dict: +def detect_docker_uid_mapping() -> dict[str, any]: """Detect Docker UID mapping for current environment.""" handler = DockerPermissionHandler() return handler.container_infotests/permissions/test_docker_handler.py (4)
10-13: Non-English comment should be translated.Line 12 contains a Russian comment. For consistency and maintainability in an English codebase, comments should be in English.
Suggested fix
def test_docker_handler_import(): """Test that DockerPermissionHandler can be imported""" - # Импорт уже проверен в импорте выше, можно ничего не проверять + # Import is already verified by the import statement above pass
122-127: Redundant import inside test function.
DockerPermissionHandleris already imported at the top of the file (line 7). The re-import on line 124 is unnecessary and repeated in several other test functions.Example fix (apply to all affected tests)
def test_fix_docker_bind_mount_permissions_dry_run(tmp_path): """Test fix_docker_bind_mount_permissions in dry-run mode""" - from cortex.permissions.docker_handler import DockerPermissionHandler - handler = DockerPermissionHandler()
142-143: Weak assertion that always passes.Line 143 asserts
'current' in result or 'warnings' in result. Sinceresultalways contains the'warnings'key (even if empty), this assertion always passes. Consider checking for'current'specifically when the path exists and the operation would succeed.Suggested fix
# Check structure - assert "current" in result or "warnings" in result + # For existing path with dry_run=True, current should be populated + assert "current" in result + assert "target" in result
168-170: Tautological assertion.The assertion
assert 0 in mapping or len(mapping) > 0is always true because if0is not in mapping, then either the mapping is empty or has other entries. If empty,len(mapping) > 0is False, but the test would still pass if 0 is in an empty mapping (impossible). This doesn't effectively test the expected behavior.Consider asserting that root (UID 0) should be in the mapping when running on most systems:
Suggested fix
assert isinstance(mapping, dict) - # At least root (0) should be in mapping - assert 0 in mapping or len(mapping) > 0 + # Mapping should not be empty and typically contains root + assert len(mapping) > 0 + # On most systems, root (0) should be present + assert 0 in mapping, "Expected root (UID 0) in mapping"tests/permissions/test_auditor_fixer.py (2)
227-229: Assertion could be more precise.The assertion
assert oct(mode) != "0o777"verifies permissions changed, but doesn't confirm they changed to the expected value. Consider asserting the specific expected mode.Suggested fix
# Verify permissions actually changed mode = test_file.stat().st_mode & 0o777 - assert oct(mode) != "0o777" + assert mode == 0o644, f"Expected 0o644, got {oct(mode)}"
410-424: Test name and comment are misleading.The test is named
test_suggest_fix_with_shebangand comments claim "Should suggest 755 because of shebang". However, the actual implementation inauditor_fixer.py(line 198) suggests 755 based on file extension (.py), not shebang content. The test passes, but for the wrong reason.Consider either:
- Renaming the test to reflect what it actually tests (extension-based detection)
- Or implementing actual shebang detection in the auditor
Option 1: Rename test to match actual behavior
-def test_suggest_fix_with_shebang(tmp_path): - """Test suggest_fix for files with shebang""" +def test_suggest_fix_for_python_file(tmp_path): + """Test suggest_fix for .py files (detected by extension)""" from cortex.permissions.auditor_fixer import PermissionAuditor auditor = PermissionAuditor() - # Create script with shebang but no execute bit + # Create Python file - detected as script by .py extension script = tmp_path / "script.py" script.write_text("#!/usr/bin/env python3\nprint('hello')") script.chmod(0o644) # No execute bit suggestion = auditor.suggest_fix(script, "644") assert "chmod" in suggestion - # Should suggest 755 because of shebang + # Should suggest 755 because .py extension indicates a script assert "755" in suggestion
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DockerPermissionHandler(14-420)detect_docker_uid_mapping(424-427)adjust_issue_for_container(169-197)get_container_specific_fix(199-222)_uid_to_name(368-373)_gid_to_name(375-380)generate_docker_permission_report(382-420)fix_docker_bind_mount_permissions(224-281)_discover_uid_mapping(69-120)_discover_gid_mapping(122-167)
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🔇 Additional comments (18)
cortex/cli.py (3)
26-28: LGTM: Import and alias setup.The import and alias are correctly placed. The alias
PermissionManager = PermissionAuditorprovides backward compatibility while using the new auditor implementation.
159-165: Exit code behavior in dry-run mode.The current logic returns exit code 1 if issues are found but not fixed. In
--dry-runmode,fixes_appliedwill always beFalse, so the command returns 1 when issues exist. This is reasonable for CI/scripting (exit 1 = "issues need attention"), but consider documenting this behavior for users.
2604-2605: LGTM: Command routing.The routing for the
audit-permissionscommand is correctly wired to callcli.audit_permissions(args).cortex/permissions/auditor_fixer.py (5)
1-13: LGTM: Module header and imports.The module docstring clearly describes the purpose. Imports are appropriate for the functionality.
39-66: LGTM: Plain English explanation method.Well-documented with clear type hints. The explanations are user-friendly and actionable.
177-213: LGTM: Fix suggestion logic.The method correctly identifies executable files by mode bits or common script extensions and suggests appropriate permissions (755 for executables, 644 for data files). The approach is sound for the auditor's purpose.
215-250: LGTM: Permission fixing logic.The method correctly preserves file type bits while changing permissions, handles dry-run mode appropriately, and verifies changes after application. Error handling is robust.
368-382: Only world-writable files are fixed, not dangerous (777) directories.The
_apply_fixesmethod only iterates overworld_writablefiles. Since directories are not scanned (as noted earlier), 777 directories won't be fixed. If directory scanning is added, ensure they're included in the fix loop.cortex/permissions/docker_handler.py (3)
69-120: LGTM: UID mapping discovery.The approach of validating hardcoded common UIDs against the actual system is pragmatic. The fallback to minimal mapping ensures robustness.
224-281: LGTM: Bind mount permission fixing.The method is well-structured with clear separation between planning and execution phases. Error handling is appropriate, and the dry-run support is correctly implemented.
382-420: LGTM: Docker permission report generation.The report is well-structured, informative, and provides useful context about the container environment and common permission issues.
tests/permissions/test_docker_handler.py (1)
246-259: LGTM: Docker path-specific test.Good test coverage for container-specific fix logic with Docker volume paths. The assertions verify the base fix is preserved correctly.
tests/permissions/test_auditor_fixer.py (6)
1-13: LGTM: Test file setup.Appropriate imports and module docstring. The test suite is well-organized with class-based grouping for related tests.
15-73: LGTM: Basic functionality tests.Good coverage of core functionality with appropriate assertions and use of pytest fixtures.
75-109: LGTM: Docker handler integration tests.Good coverage of Docker handler functionality including edge cases like high/non-existent UIDs.
129-177: LGTM: Edge case tests.Comprehensive coverage of edge cases including non-existent paths and incorrect input types.
354-407: LGTM: Error handling tests.Good coverage of error conditions using mocking. The tests verify graceful degradation when permission or OS errors occur.
306-343: LGTM: Public API and alias tests.Good coverage of the public API surface including aliases (
PermissionManager,PermissionFixer) and convenience functions (scan_path,analyze_permissions).
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@Anshgrover23 Hello! CodeRabbit has suggested some fixes related to types and style. The core functionality for Issue #446 is fully implemented, and all CI tests are passing. Would you prefer that I:
The project is ready to be merged with the current code, but I'm happy to make adjustments based on your guidance. |
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@Anshgrover23 Important Update on PR #536: Balancing AI Suggestions with Production Stability During the final review, I encountered a critical issue that highlights the problem of automated suggestions from tools like CodeRabbit. The Problem: "Improvements" That Break Working Code For example, CodeRabbit suggested removing a core method in docker_handler.py, misclassifying it as "test code." This method was, in fact, essential for the Docker UID mapping feature required by the ticket. As I see it, CodeRabbit excels at finding typos and formatting issues. However, it cannot understand the higher-level architecture, rules of our code. It optimizes for a generic "clean code" ideal, not for functional correctness within our specific context. I have reverted all breaking changes. The PR is now restored to its last fully functional state, and all tests pass. |
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Implements issue #446:
Fixes #446
Related Issue
Closes #446
Summary
This PR implements a complete Permission Auditor & Fixer tool for Cortex Linux. It addresses security issue #446 by providing a tool that scans for dangerous file permissions, explains security risks in plain English, suggests correct permissions based on file type and use case, allows safe fixing with a --fix flag, and handles Docker/container UID mapping considerations.
###The implementation adds:
A new cortex/permissions/ module with auditor, fixer, and Docker handler components
A new CLI command cortex audit-permissions with options for scanning, dry-run, fixing, and Docker context
Comprehensive test suite in tests/permissions/ covering all core functionality
Security-conscious design with dry-run as default to prevent accidental changes.
Changes:
cortex/permissions/cortex audit-permissionstests/permissions/AI Disclosure
Used AI for: Generating comprehensive test cases, Documentation and PR template formatting
Checklist
pytest tests/permissions/ -v)Demo Evidence
Summary by CodeRabbit
New Features
audit-permissionsCLI command for scanning and fixing dangerous file permissions with options for dry-run, fixing, Docker container awareness, and verbosity.Tests
Chores
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