handles SSL ConnectionReset on Windows; fixes #6274 (#6287)

trivalik · vonzshik · commit a5bede5824a0 · 2025-11-05T17:20:39.000+03:00
Fixes #6274 (cherry picked from commit ed512e5)
diff --git a/src/Npgsql/Internal/NpgsqlConnector.cs b/src/Npgsql/Internal/NpgsqlConnector.cs
@@ -558,9 +558,7 @@ static async Task OpenCore(
             {
                 await conn.Authenticate(username, timeout, async, cancellationToken).ConfigureAwait(false);
             }
-            catch (PostgresException e)
-                when (e.SqlState == PostgresErrorCodes.InvalidAuthorizationSpecification &&
-                      (sslMode == SslMode.Prefer && conn.IsSecure || sslMode == SslMode.Allow && !conn.IsSecure))
+            catch when (sslMode == SslMode.Prefer && conn.IsSecure || sslMode == SslMode.Allow && !conn.IsSecure)
             {
                 cancellationRegistration.Dispose();
                 Debug.Assert(!conn.IsBroken);

Original file line number	Diff line number	Diff line change
`@@ -558,9 +558,7 @@ static async Task OpenCore(`
`558`	`558`	`{`
`559`	`559`	`await conn.Authenticate(username, timeout, async, cancellationToken).ConfigureAwait(false);`
`560`	`560`	`}`
`561`		`- catch (PostgresException e)`
`562`		`- when (e.SqlState == PostgresErrorCodes.InvalidAuthorizationSpecification &&`
`563`		`- (sslMode == SslMode.Prefer && conn.IsSecure \|\| sslMode == SslMode.Allow && !conn.IsSecure))`
	`561`	`+ catch when (sslMode == SslMode.Prefer && conn.IsSecure \|\| sslMode == SslMode.Allow && !conn.IsSecure)`
`564`	`562`	`{`
`565`	`563`	`cancellationRegistration.Dispose();`
`566`	`564`	`Debug.Assert(!conn.IsBroken);`