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Merged
merged 7 commits into from
Apr 17, 2025
Merged

Rust: Model sources for std::io #19304

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cef3cd9
Rust: Add tests for std::io sources.
geoffw0 Apr 10, 2025
258c1af
Rust: Add tests for std::fs sources.
geoffw0 Apr 11, 2025
4f9f550
Rust: Add source models for fs.
geoffw0 Apr 11, 2025
7a9ea52
Rust: Add source models for io.
geoffw0 Apr 11, 2025
24bcd04
Rust: Add flow models for io.
geoffw0 Apr 11, 2025
a8b5522
Rust: Impact on dataflow/local test.
geoffw0 Apr 14, 2025
c561da4
Merge branch 'main' into rustio
geoffw0 Apr 15, 2025
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52 changes: 52 additions & 0 deletions rust/ql/lib/codeql/rust/Concepts.qll
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Original file line number Diff line number Diff line change
Expand Up @@ -102,6 +102,58 @@ class ModeledEnvironmentSource extends EnvironmentSource::Range {
ModeledEnvironmentSource() { sourceNode(this, "environment-source") }
}

/**
* A data flow source corresponding to a file access.
*/
final class FileSource = FileSource::Range;

/**
* An externally modeled source for data from a file access.
*/
class ModeledFileSource extends FileSource::Range {
ModeledFileSource() { sourceNode(this, "file") }
}

/**
* Provides a class for modeling new sources for file accesses.
*/
module FileSource {
/**
* A data flow source corresponding to a file access.
*/
abstract class Range extends ThreatModelSource::Range {
override string getThreatModel() { result = "file" }

override string getSourceType() { result = "FileSource" }
}
}

/**
* A data flow source corresponding to standard input.
*/
final class StdInSource = StdInSource::Range;

/**
* An externally modeled source for data from standard input.
*/
class ModeledStdInSourceSource extends StdInSource::Range {
ModeledStdInSourceSource() { sourceNode(this, "stdin") }
}

/**
* Provides a class for modeling new sources for standard input.
*/
module StdInSource {
/**
* A data flow source corresponding to standard input.
*/
abstract class Range extends ThreatModelSource::Range {
override string getThreatModel() { result = "stdin" }

override string getSourceType() { result = "StdInSource" }
}
}

/**
* A data flow source corresponding to the program's database reads.
*/
Expand Down
10 changes: 8 additions & 2 deletions rust/ql/lib/codeql/rust/frameworks/stdlib/fs.model.yml
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Expand Up @@ -2,7 +2,14 @@ extensions:
- addsTo:
pack: codeql/rust-all
extensible: sourceModel
data: []
data:
- ["lang:std", "crate::fs::read", "ReturnValue.Field[crate::result::Result::Ok(0)]", "file", "manual"]
- ["lang:std", "crate::fs::read_to_string", "ReturnValue.Field[crate::result::Result::Ok(0)]", "file", "manual"]
- ["lang:std", "crate::fs::read_link", "ReturnValue.Field[crate::result::Result::Ok(0)]", "file", "manual"]
- ["lang:std", "<crate::fs::DirEntry>::path", "ReturnValue", "file", "manual"]
- ["lang:std", "<crate::fs::DirEntry>::file_name", "ReturnValue", "file", "manual"]
- ["lang:std", "<crate::fs::File>::open", "ReturnValue.Field[crate::result::Result::Ok(0)]", "file", "manual"]
- ["lang:std", "<crate::fs::File>::open_buffered", "ReturnValue.Field[crate::result::Result::Ok(0)]", "file", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: sinkModel
Expand Down Expand Up @@ -34,7 +41,6 @@ extensions:
- ["lang:std", "<crate::fs::File>::create_new", "Argument[0]", "path-injection", "manual"]
- ["lang:std", "<crate::fs::File>::open", "Argument[0]", "path-injection", "manual"]
- ["lang:std", "<crate::fs::File>::open_buffered", "Argument[0]", "path-injection", "manual"]

- addsTo:
pack: codeql/rust-all
extensible: summaryModel
Expand Down
38 changes: 38 additions & 0 deletions rust/ql/lib/codeql/rust/frameworks/stdlib/io.model.yml
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@@ -0,0 +1,38 @@
extensions:
- addsTo:
pack: codeql/rust-all
extensible: sourceModel
data:
- ["lang:std", "crate::io::stdio::stdin", "ReturnValue", "stdin", "manual"]
- addsTo:
pack: codeql/rust-all
extensible: summaryModel
data:
- ["lang:std", "<crate::io::buffered::bufreader::BufReader>::new", "Argument[0]", "ReturnValue", "taint", "manual"]
- ["lang:std", "<crate::io::buffered::bufreader::BufReader as crate::io::BufRead>::fill_buf", "Argument[self]", "ReturnValue.Field[crate::result::Result::Ok(0)]", "taint", "manual"]
- ["lang:std", "<crate::io::buffered::bufreader::BufReader>::buffer", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::Stdin as crate::io::Read>::read", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::StdinLock as crate::io::Read>::read", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::fs::File as crate::io::Read>::read", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "crate::io::Read::read", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::Stdin as crate::io::Read>::read_to_string", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::StdinLock as crate::io::Read>::read_to_string", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::fs::File as crate::io::Read>::read_to_string", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "crate::io::Read::read_to_string", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", ":<crate::io::stdio::Stdin as crate::io::Read>::read_to_end", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", ":<crate::io::stdio::StdinLock as crate::io::Read>::read_to_end", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::fs::File as crate::io::Read>::read_to_end", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "crate::io::Read::read_to_end", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::Stdin as crate::io::Read>::read_exact", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::StdinLock as crate::io::Read>::read_exact", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "<crate::fs::File as crate::io::Read>::read_exact", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "crate::io::Read::read_exact", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
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I suppose the repetitive definitions for read_exact could be removed once we have support for models for trait-functions?

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Yep, and that will then include any other variations we come across as well.

- ["lang:std", "crate::io::BufRead::read_line", "Argument[self]", "Argument[0].Reference", "taint", "manual"]
- ["lang:std", "crate::io::BufRead::read_until", "Argument[self]", "Argument[1].Reference", "taint", "manual"]
- ["lang:std", "crate::io::BufRead::split", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "crate::io::BufRead::lines", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "crate::io::Read::bytes", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "crate::io::Read::chain", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "crate::io::Read::chain", "Argument[0]", "ReturnValue", "taint", "manual"]
- ["lang:std", "crate::io::Read::take", "Argument[self]", "ReturnValue", "taint", "manual"]
- ["lang:std", "<crate::io::stdio::Stdin>::lock", "Argument[self]", "ReturnValue", "taint", "manual"]
19 changes: 19 additions & 0 deletions rust/ql/test/library-tests/dataflow/local/DataFlowStep.expected
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Expand Up @@ -1940,8 +1940,25 @@ storeStep
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<u8 as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:proc_macro::_::<u8 as crate::bridge::rpc::DecodeMut>::decode |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<u32 as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:proc_macro::_::<u32 as crate::bridge::rpc::DecodeMut>::decode |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<usize as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:proc_macro::_::<usize as crate::bridge::rpc::DecodeMut>::decode |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_:::<crate::io::stdio::Stdin as crate::io::Read>::read_to_end | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_:::<crate::io::stdio::Stdin as crate::io::Read>::read_to_end |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_:::<crate::io::stdio::StdinLock as crate::io::Read>::read_to_end | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_:::<crate::io::stdio::StdinLock as crate::io::Read>::read_to_end |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::fs::File as crate::io::Read>::read | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::fs::File as crate::io::Read>::read |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::fs::File as crate::io::Read>::read_exact | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::fs::File as crate::io::Read>::read_exact |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::fs::File as crate::io::Read>::read_to_end | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::fs::File as crate::io::Read>::read_to_end |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::fs::File as crate::io::Read>::read_to_string | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::fs::File as crate::io::Read>::read_to_string |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::IoSlice>::advance_slices | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::IoSlice>::advance_slices |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::IoSliceMut>::advance_slices | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::IoSliceMut>::advance_slices |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read_exact | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read_exact |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read_to_string | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::Stdin as crate::io::Read>::read_to_string |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read_exact | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read_exact |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read_to_string | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::<crate::io::stdio::StdinLock as crate::io::Read>::read_to_string |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::crate::io::BufRead::read_line | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::crate::io::BufRead::read_line |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::crate::io::Read::read | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::crate::io::Read::read |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::crate::io::Read::read_exact | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::crate::io::Read::read_exact |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::crate::io::Read::read_to_end | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::crate::io::Read::read_to_end |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:std::_::crate::io::Read::read_to_string | &ref | file://:0:0:0:0 | [post] [summary param] 0 in lang:std::_::crate::io::Read::read_to_string |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference.Reference in lang:proc_macro::_::<&[u8] as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<&[u8] as crate::bridge::rpc::DecodeMut>::decode |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference.Reference in lang:proc_macro::_::<u8 as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<u8 as crate::bridge::rpc::DecodeMut>::decode |
| file://:0:0:0:0 | [summary] to write: Argument[0].Reference.Reference in lang:proc_macro::_::<u32 as crate::bridge::rpc::DecodeMut>::decode | &ref | file://:0:0:0:0 | [summary] to write: Argument[0].Reference in lang:proc_macro::_::<u32 as crate::bridge::rpc::DecodeMut>::decode |
Expand All @@ -1957,6 +1974,7 @@ storeStep
| file://:0:0:0:0 | [summary] to write: Argument[1].Parameter[0].Reference in lang:core::_::<crate::cell::RefMut>::map_split | &ref | file://:0:0:0:0 | [summary] to write: Argument[1].Parameter[0] in lang:core::_::<crate::cell::RefMut>::map_split |
| file://:0:0:0:0 | [summary] to write: Argument[1].Parameter[0].Reference in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait_while | &ref | file://:0:0:0:0 | [summary] to write: Argument[1].Parameter[0] in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait_while |
| file://:0:0:0:0 | [summary] to write: Argument[1].Reference in lang:core::_::<_ as crate::clone::uninit::CopySpec>::clone_one | &ref | file://:0:0:0:0 | [post] [summary param] 1 in lang:core::_::<_ as crate::clone::uninit::CopySpec>::clone_one |
| file://:0:0:0:0 | [summary] to write: Argument[1].Reference in lang:std::_::crate::io::BufRead::read_until | &ref | file://:0:0:0:0 | [post] [summary param] 1 in lang:std::_::crate::io::BufRead::read_until |
| file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0].Reference in lang:core::_::crate::cmp::max_by | &ref | file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0] in lang:core::_::crate::cmp::max_by |
| file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0].Reference in lang:core::_::crate::cmp::max_by_key | &ref | file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0] in lang:core::_::crate::cmp::max_by_key |
| file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0].Reference in lang:core::_::crate::cmp::min_by | &ref | file://:0:0:0:0 | [summary] to write: Argument[2].Parameter[0] in lang:core::_::crate::cmp::min_by |
Expand Down Expand Up @@ -2185,6 +2203,7 @@ storeStep
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:core::_::<crate::result::Result>::or_else | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:core::_::<crate::result::Result>::or_else |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:core::_::<str>::parse | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:core::_::<str>::parse |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:std::_::<&[u8] as crate::io::BufRead>::fill_buf | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:std::_::<&[u8] as crate::io::BufRead>::fill_buf |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:std::_::<crate::io::buffered::bufreader::BufReader as crate::io::BufRead>::fill_buf | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:std::_::<crate::io::buffered::bufreader::BufReader as crate::io::BufRead>::fill_buf |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:std::_::<crate::path::Path>::canonicalize | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:std::_::<crate::path::Path>::canonicalize |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait |
| file://:0:0:0:0 | [summary] to write: ReturnValue.Field[crate::result::Result::Ok(0)] in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait_timeout | Ok | file://:0:0:0:0 | [summary] to write: ReturnValue in lang:std::_::<crate::sync::poison::condvar::Condvar>::wait_timeout |
Expand Down
26 changes: 25 additions & 1 deletion rust/ql/test/library-tests/dataflow/sources/TaintSources.expected
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Expand Up @@ -22,4 +22,28 @@
| test.rs:80:24:80:35 | ...::get | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:112:35:112:46 | send_request | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:119:31:119:42 | send_request | Flow source 'RemoteSource' of type remote (DEFAULT). |
| test.rs:203:16:203:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
| test.rs:205:31:205:43 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:210:31:210:38 | ...::read | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:215:22:215:39 | ...::read_to_string | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:221:22:221:25 | path | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:222:27:222:35 | file_name | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:228:22:228:34 | ...::read_link | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:243:22:243:35 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:249:22:249:35 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:255:22:255:35 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:261:9:261:22 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:265:17:265:30 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:271:20:271:38 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:304:50:304:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:310:50:310:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:317:50:317:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:324:50:324:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:331:56:331:69 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:338:50:338:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:345:50:345:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:351:50:351:63 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:360:25:360:43 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:361:25:361:43 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:369:25:369:43 | ...::open | Flow source 'FileSource' of type file (DEFAULT). |
| test.rs:377:22:377:35 | ...::stdin | Flow source 'StdInSource' of type stdin (DEFAULT). |
| test.rs:386:16:386:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs (DEFAULT). |
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