feat(tonic): Add limitation on body length

JustRustThings · Sep 25, 2023 · 3a424c8 · 3a424c8
1 parent af0c83f
commit 3a424c8
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/tonic/src/codec/decode.rs b/tonic/src/codec/decode.rs
@@ -187,7 +187,12 @@ impl StreamingInner {
                 ));
             }
 
-            self.buf.reserve(len);
+            if let Err(err) = self.buf.try_reserve(len) {
+                return Err(Status::internal(format!(
+                    "Could not allocate buffer (needed size: {}): {}",
+                    len, err
+                )));
+            }
 
             self.state = State::ReadBody {
                 compression: compression_encoding,

diff --git a/tonic/src/codec/mod.rs b/tonic/src/codec/mod.rs
@@ -30,7 +30,7 @@ const HEADER_SIZE: usize =
     std::mem::size_of::<u32>();
 
 // The default maximum uncompressed size in bytes for a message. Defaults to 4MB.
-const DEFAULT_MAX_RECV_MESSAGE_SIZE: usize = 4 * 1024 * 1024;
+const DEFAULT_MAX_RECV_MESSAGE_SIZE: usize = 100 * 1024 * 1024;
 const DEFAULT_MAX_SEND_MESSAGE_SIZE: usize = usize::MAX;
 
 /// Trait that knows how to encode and decode gRPC messages.