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Merged
geoffw0 merged 19 commits into from
Aug 28, 2025
Merged

Rust: Improve FS models #20270

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5da296d
Rust: Add tests for std::fs::OpenOptions and similar.
geoffw0 Aug 6, 2025
bc226e2
Rust: Add more general test cases for async_std::fs and tokio::fs.
geoffw0 Aug 19, 2025
801be8f
Rust: Add more tests for std::fs::DirBuilder and similar.
geoffw0 Aug 20, 2025
8da4482
Rust: Add tests for std::fs::canonicalize and similar.
geoffw0 Aug 20, 2025
49b4adc
Rust: Add more tests for DirEntry, PathBuf, OsString.
geoffw0 Aug 20, 2025
1d2ac33
Rust: Model async-std::fs.
geoffw0 Aug 19, 2025
29e7b6a
Rust: Fill a gap in the std::fs model.
geoffw0 Aug 21, 2025
16e0de0
Rust: Fill gaps in the tokio models.
geoffw0 Aug 21, 2025
fcce862
Rust: Add an explicit test case for sinks with two relevant args.
geoffw0 Aug 21, 2025
9fbbe02
Rust: Compact these models a little.
geoffw0 Aug 21, 2025
8b04bc0
Rust: Model std::fs::OpenOptions and similar.
geoffw0 Aug 21, 2025
d1a5c9b
Rust: Add a test case resembling code seen in the wild.
geoffw0 Aug 21, 2025
2f2a975
Rust: Model path::new.
geoffw0 Aug 21, 2025
40b9754
Rust: Change note.
geoffw0 Aug 22, 2025
7279b03
Rust: Model a few more Path and PathBuf methods.
geoffw0 Aug 22, 2025
701aec1
Rust: Fix the canonicalize models.
geoffw0 Aug 22, 2025
08cb038
Rust: Accept changes to other tests.
geoffw0 Aug 22, 2025
0e2bc7c
Merge remote-tracking branch 'upstream/main' into pathi
geoffw0 Aug 22, 2025
4a4f782
Rust: Accept another consistency test change.
geoffw0 Aug 22, 2025
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4 changes: 4 additions & 0 deletions rust/ql/lib/change-notes/2025-08-22-fs.md
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@@ -0,0 +1,4 @@
---
category: minorAnalysis
---
* Improved modelling of the `std::fs`, `async_std::fs` and `tokio::fs` libraries. This may cause more alerts to be found by Rust injection queries, particularly `rust/path-injection`.
42 changes: 42 additions & 0 deletions rust/ql/lib/codeql/rust/frameworks/asyncstd/fs.model.yml
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@@ -0,0 +1,42 @@
extensions:
- addsTo:
pack: codeql/rust-all
extensible: sourceModel
data:
- ["async_std::fs::read::read", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["async_std::fs::read_to_string::read_to_string", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["async_std::fs::read_link::read_link", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["<async_std::fs::dir_entry::DirEntry>::path", "ReturnValue", "file", "manual"]
- ["<async_std::fs::dir_entry::DirEntry>::file_name", "ReturnValue", "file", "manual"]
- ["<async_std::fs::file::File>::open", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["<async_std::fs::open_options::OpenOptions>::open", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: sinkModel
data:
- ["async_std::fs::copy::copy", "Argument[0,1]", "path-injection", "manual"]
- ["async_std::fs::create_dir::create_dir", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::create_dir_all::create_dir_all", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::hard_link::hard_link", "Argument[0,1]", "path-injection", "manual"]
- ["async_std::fs::metadata::metadata", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::read::read", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::read_dir::read_dir", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::read_link::read_link", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::read_to_string::read_to_string", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::remove_dir::remove_dir", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::remove_dir_all::remove_dir_all", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::remove_file::remove_file", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::rename::rename", "Argument[0,1]", "path-injection", "manual"]
- ["async_std::fs::set_permissions::set_permissions", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::symlink_metadata::symlink_metadata", "Argument[0]", "path-injection", "manual"]
- ["async_std::fs::write::write", "Argument[0]", "path-injection", "manual"]
- ["<async_std::fs::dir_builder::DirBuilder>::create", "Argument[0]", "path-injection", "manual"]
- ["<async_std::fs::file::File>::create", "Argument[0]", "path-injection", "manual"]
- ["<async_std::fs::file::File>::open", "Argument[0]", "path-injection", "manual"]
- ["<async_std::fs::open_options::OpenOptions>::open", "Argument[0]", "path-injection", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: summaryModel
data:
- ["async_std::fs::canonicalize::canonicalize", "Argument[0].OptionalStep[normalize-path]", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["async_std::fs::canonicalize::canonicalize", "Argument[0].OptionalBarrier[normalize-path]", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "taint", "manual"]
41 changes: 30 additions & 11 deletions rust/ql/lib/codeql/rust/frameworks/stdlib/fs.model.yml
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Expand Up @@ -10,16 +10,15 @@ extensions:
- ["<std::fs::DirEntry>::file_name", "ReturnValue", "file", "manual"]
- ["<std::fs::File>::open", "ReturnValue.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["<std::fs::File>::open_buffered", "ReturnValue.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["<std::fs::OpenOptions>::open", "ReturnValue.Field[core::result::Result::Ok(0)]", "file", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: sinkModel
data:
- ["std::fs::copy", "Argument[0]", "path-injection", "manual"]
- ["std::fs::copy", "Argument[1]", "path-injection", "manual"]
- ["std::fs::copy", "Argument[0,1]", "path-injection", "manual"]
- ["std::fs::create_dir", "Argument[0]", "path-injection", "manual"]
- ["std::fs::create_dir_all", "Argument[0]", "path-injection", "manual"]
- ["std::fs::hard_link", "Argument[0]", "path-injection", "manual"]
- ["std::fs::hard_link", "Argument[1]", "path-injection", "manual"]
- ["std::fs::hard_link", "Argument[0,1]", "path-injection", "manual"]
- ["std::fs::metadata", "Argument[0]", "path-injection", "manual"]
- ["std::fs::read", "Argument[0]", "path-injection", "manual"]
- ["std::fs::read_dir", "Argument[0]", "path-injection", "manual"]
Expand All @@ -28,11 +27,9 @@ extensions:
- ["std::fs::remove_dir", "Argument[0]", "path-injection", "manual"]
- ["std::fs::remove_dir_all", "Argument[0]", "path-injection", "manual"]
- ["std::fs::remove_file", "Argument[0]", "path-injection", "manual"]
- ["std::fs::rename", "Argument[0]", "path-injection", "manual"]
- ["std::fs::rename", "Argument[1]", "path-injection", "manual"]
- ["std::fs::rename", "Argument[0,1]", "path-injection", "manual"]
- ["std::fs::set_permissions", "Argument[0]", "path-injection", "manual"]
- ["std::fs::soft_link", "Argument[0]", "path-injection", "manual"]
- ["std::fs::soft_link", "Argument[1]", "path-injection", "manual"]
- ["std::fs::soft_link", "Argument[0,1]", "path-injection", "manual"]
- ["std::fs::symlink_metadata", "Argument[0]", "path-injection", "manual"]
- ["std::fs::write", "Argument[0]", "path-injection", "manual"]
- ["<std::fs::DirBuilder>::create", "Argument[0]", "path-injection", "manual"]
Expand All @@ -41,12 +38,34 @@ extensions:
- ["<std::fs::File>::create_new", "Argument[0]", "path-injection", "manual"]
- ["<std::fs::File>::open", "Argument[0]", "path-injection", "manual"]
- ["<std::fs::File>::open_buffered", "Argument[0]", "path-injection", "manual"]
- ["<std::fs::OpenOptions>::open", "Argument[0]", "path-injection", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: summaryModel
data:
- ["<std::path::PathBuf as core::convert::From>::from", "Argument[0]", "ReturnValue", "taint", "manual"]
- ["std::fs::canonicalize", "Argument[0].OptionalStep[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["std::fs::canonicalize", "Argument[0].OptionalBarrier[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["<std::path::PathBuf as core::convert::From>::from", "Argument[0]", "ReturnValue", "value", "manual"]
- ["<std::path::PathBuf>::as_path", "Argument[Self]", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::PathBuf>::as_mut_os_string", "Argument[Self].Reference", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::PathBuf>::into_os_string", "Argument[Self]", "ReturnValue", "value", "manual"]
- ["<std::path::PathBuf>::into_boxed_path", "Argument[Self]", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::Path>::new", "Argument[0].Reference", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::Path>::join", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["<std::path::Path>::join", "Argument[0]", "ReturnValue", "taint", "manual"]
- ["<std::path::Path>::canonicalize", "Argument[self].OptionalStep[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["<std::path::Path>::canonicalize", "Argument[self].OptionalBarrier[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["<std::path::Path>::as_os_string", "Argument[Self].Reference", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::Path>::as_mut_os_string", "Argument[Self].Reference", "ReturnValue.Reference", "value", "manual"]
- ["<std::path::Path>::canonicalize", "Argument[self].Reference.OptionalStep[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["<std::path::Path>::canonicalize", "Argument[self].Reference.OptionalBarrier[normalize-path]", "ReturnValue.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["<std::path::Path>::extension", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "taint", "manual"]
- ["<std::path::Path>::file_name", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "taint", "manual"]
- ["<std::path::Path>::file_prefix", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "taint", "manual"]
- ["<std::path::Path>::file_stem", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "taint", "manual"]
- ["<std::path::Path>::into_path_buf", "Argument[Self].Reference", "ReturnValue", "value", "manual"]
- ["<std::path::Path>::parent", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "taint", "manual"]
- ["<std::path::Path>::to_path_buf", "Argument[Self].Reference", "ReturnValue", "value", "manual"]
- ["<std::path::Path>::to_str", "Argument[Self].Reference", "ReturnValue.Field[core::option::Option::Some(0)].Reference", "value", "manual"]
- ["<std::path::Path>::with_added_extension", "Argument[Self].Reference", "ReturnValue", "taint", "manual"]
- ["<std::path::Path>::with_extension", "Argument[Self].Reference", "ReturnValue", "taint", "manual"]
- ["<std::path::Path>::with_file_name", "Argument[Self].Reference", "ReturnValue", "taint", "manual"]
- ["<std::path::Path>::with_file_name", "Argument[0]", "ReturnValue", "taint", "manual"]
36 changes: 36 additions & 0 deletions rust/ql/lib/codeql/rust/frameworks/tokio/fs.model.yml
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Expand Up @@ -9,3 +9,39 @@ extensions:
- ["<tokio::fs::read_dir::DirEntry>::path", "ReturnValue", "file", "manual"]
- ["<tokio::fs::read_dir::DirEntry>::file_name", "ReturnValue", "file", "manual"]
- ["<tokio::fs::file::File>::open", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- ["<tokio::fs::open_options::OpenOptions>::open", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "file", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: sinkModel
data:
- ["tokio::fs::copy::copy", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::create_dir::create_dir", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::create_dir_all::create_dir_all", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::hard_link::hard_link", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::metadata::metadata", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::read::read", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::read_dir::read_dir", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::read_link::read_link", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::read_to_string::read_to_string", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::remove_dir::remove_dir", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::remove_dir_all::remove_dir_all", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::remove_file::remove_file", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::rename::rename", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::set_permissions::set_permissions", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::symlink::symlink", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::symlink_dir::symlink_dir", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::symlink_file::symlink_file", "Argument[0,1]", "path-injection", "manual"]
- ["tokio::fs::symlink_metadata::symlink_metadata", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::try_exists::try_exists", "Argument[0]", "path-injection", "manual"]
- ["tokio::fs::write::write", "Argument[0]", "path-injection", "manual"]
- ["<tokio::fs::dir_builder::DirBuilder>::create", "Argument[0]", "path-injection", "manual"]
- ["<tokio::fs::file::File>::create", "Argument[0]", "path-injection", "manual"]
- ["<tokio::fs::file::File>::create_new", "Argument[0]", "path-injection", "manual"]
- ["<tokio::fs::file::File>::open", "Argument[0]", "path-injection", "manual"]
- ["<tokio::fs::open_options::OpenOptions>::open", "Argument[0]", "path-injection", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: summaryModel
data:
- ["tokio::fs::canonicalize::canonicalize", "Argument[0].OptionalStep[normalize-path]", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "taint", "manual"]
- ["tokio::fs::canonicalize::canonicalize", "Argument[0].OptionalBarrier[normalize-path]", "ReturnValue.Future.Field[core::result::Result::Ok(0)]", "taint", "manual"]
60 changes: 34 additions & 26 deletions rust/ql/test/library-tests/dataflow/sources/TaintSources.expected
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Expand Up @@ -55,32 +55,40 @@
| test.rs:413:31:413:38 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:418:22:418:39 | ...::read_to_string | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:418:22:418:39 | ...::read_to_string | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:424:22:424:25 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:425:27:425:35 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:431:22:431:34 | ...::read_link | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:440:31:440:45 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:445:31:445:45 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:450:22:450:46 | ...::read_to_string | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:456:26:456:29 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:456:26:456:29 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:457:31:457:39 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:457:31:457:39 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:463:22:463:41 | ...::read_link | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:473:20:473:38 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:507:21:507:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:508:21:508:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:516:21:516:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:528:20:528:40 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:575:21:575:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:576:21:576:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:584:21:584:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:601:26:601:53 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:620:26:620:61 | ...::connect_timeout | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:672:28:672:57 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:754:22:754:49 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:780:22:780:50 | ...::new | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:807:16:807:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
| test.rs:807:16:807:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
| test.rs:425:22:425:25 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:439:27:439:35 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:450:22:450:25 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:451:27:451:35 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:461:22:461:34 | ...::read_link | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:470:31:470:45 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:475:31:475:45 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:480:22:480:46 | ...::read_to_string | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:486:26:486:29 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:486:26:486:29 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:487:31:487:39 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:487:31:487:39 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:493:22:493:41 | ...::read_link | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:503:20:503:38 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:536:50:536:53 | open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:543:67:543:70 | open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:550:101:550:104 | open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:560:21:560:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:561:21:561:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:569:21:569:39 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:581:20:581:40 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:627:52:627:55 | open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:637:21:637:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:638:21:638:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:646:21:646:41 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:660:20:660:44 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:671:56:671:59 | open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:688:26:688:53 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:707:26:707:61 | ...::connect_timeout | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:759:28:759:57 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:841:22:841:49 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:867:22:867:50 | ...::new | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:894:16:894:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
| test.rs:894:16:894:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
| test_futures_io.rs:19:15:19:32 | ...::connect | Flow source 'RemoteSource' of type remote (DEFAULT). |
| web_frameworks.rs:11:31:11:31 | a | Flow source 'RemoteSource' of type remote (DEFAULT). |
| web_frameworks.rs:11:31:11:31 | a | Flow source 'RemoteSource' of type remote (DEFAULT). |
Expand Down
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