Merge pull request #11 from uweber/main

atenart · web-flow · commit e2c44bab22a8 · 2024-12-10T16:15:36.000+01:00
tls: allow extension size of zero for session_ticket
diff --git a/src/tls.rs b/src/tls.rs
@@ -65,9 +65,9 @@ impl Tls {
                 );
             }
 
-            // Extension is empty.
-            if len == 0 {
-                bail!("Invalid extension: len is null");
+            // Extension is empty, can happen e.g. on session_ticket
+            if size == 0 {
+                continue;
             }
 
             // Read the extension data. Even if we do not support the extension, we can't seek as

Original file line number	Diff line number	Diff line change
`@@ -65,9 +65,9 @@ impl Tls {`
`65`	`65`	`);`
`66`	`66`	`}`
`67`	`67`
`68`		`- // Extension is empty.`
`69`		`- if len == 0 {`
`70`		`- bail!("Invalid extension: len is null");`
	`68`	`+ // Extension is empty, can happen e.g. on session_ticket`
	`69`	`+ if size == 0 {`
	`70`	`+ continue;`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`// Read the extension data. Even if we do not support the extension, we can't seek as`