Skip to content

C#: Add System.Net.WebSockets.ReceiveAsync as a remote flow source #21410

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
MathiasVP merged 5 commits into from
Mar 4, 2026
Merged

C#: Add System.Net.WebSockets.ReceiveAsync as a remote flow source #21410

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
b7992ed
C#: Add test.
MathiasVP Feb 26, 2026
83155df
C#: Add 'System.Net.WebSockets.ReceiveAsync' flow source.
MathiasVP Feb 26, 2026
088913d
C#: Accept test changes.
MathiasVP Mar 4, 2026
2357ef0
C#: Add change note.
MathiasVP Mar 4, 2026
f8f8991
C#: Accept more test changes.
MathiasVP Mar 4, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions csharp/ql/lib/ext/System.Net.WebSockets.model.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
extensions:
- addsTo:
pack: codeql/csharp-all
extensible: sourceModel
data:
- ["System.Net.WebSockets", "WebSocket", True, "ReceiveAsync", "", "", "Argument[0]", "remote", "manual"]
8 changes: 8 additions & 0 deletions csharp/ql/test/library-tests/dataflow/flowsources/remote/RemoteFlowSource.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -44,5 +44,13 @@ public static void M2(System.Web.HttpRequestBase request)
{
Use(request.Unvalidated.RawUrl);
}

public static async void M3(System.Net.WebSockets.WebSocket webSocket)
{
var buffer = new byte[1024];
var segment = new ArraySegment<byte>(buffer);
var result = await webSocket.ReceiveAsync(segment, System.Threading.CancellationToken.None);
Use(segment);
}
}
}
1 change: 1 addition & 0 deletions csharp/ql/test/library-tests/dataflow/flowsources/remote/remoteFlowSource.expected
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,3 +9,4 @@
| RemoteFlowSource.cs:40:17:40:23 | access to parameter request | ASP.NET query string |
| RemoteFlowSource.cs:45:17:45:23 | access to parameter request | ASP.NET query string |
| RemoteFlowSource.cs:45:17:45:42 | access to property RawUrl | ASP.NET unvalidated request data |
| RemoteFlowSource.cs:52:55:52:61 | [post] access to local variable segment | external |
Loading