add most basic error handling on the decode side

internal/decoders/info_packet_chunk.go

@@ -16,8 +16,11 @@ type InfoPacketChunk struct {
 	Data  InfoPacketChunkData
 }
 
-func DecodeInfoPacketChunk(bytes []byte) InfoPacketChunk {
-	chunk := DecodeChunk(bytes)
+func DecodeInfoPacketChunk(bytes []byte) (InfoPacketChunk, error) {
+	chunk, err := DecodeChunk(bytes)
+	if err != nil {
+		return InfoPacketChunk{}, err
+	}
 	data := InfoPacketChunkData{}
 
 	if chunk.Header.HasSubchunks && chunk.ChunkData != nil && chunk.Header.DataLen > 0 {
@@ -26,21 +29,30 @@ func DecodeInfoPacketChunk(bytes []byte) InfoPacketChunk {
 		for offset < int(chunk.Header.DataLen) {
 			switch id := binary.LittleEndian.Uint16(chunk.ChunkData[offset : offset+2]); id {
 			case 0x0000:
-				packet_header := DecodePacketHeaderChunk(chunk.ChunkData[offset:])
+				packet_header, err := DecodePacketHeaderChunk(chunk.ChunkData[offset:])
+				if err != nil {
+					return InfoPacketChunk{}, err
+				}
 				data.PacketHeader = &packet_header
 				offset += 4
 				if packet_header.Chunk.Header.DataLen > 0 {
 					offset = offset + int(packet_header.Chunk.Header.DataLen)
 				}
 			case 0x0001:
-				system_name := DecodeInfoSystemNameChunk(chunk.ChunkData[offset:])
+				system_name, err := DecodeInfoSystemNameChunk(chunk.ChunkData[offset:])
+				if err != nil {
+					return InfoPacketChunk{}, err
+				}
 				data.SystemName = &system_name
 				offset += 4
 				if system_name.Chunk.Header.DataLen > 0 {
 					offset = offset + int(system_name.Chunk.Header.DataLen)
 				}
 			case 0x0002:
-				tracker_list := DecodeInfoTrackerListChunk(chunk.ChunkData[offset:])
+				tracker_list, err := DecodeInfoTrackerListChunk(chunk.ChunkData[offset:])
+				if err != nil {
+					return InfoPacketChunk{}, err
+				}
 				data.TrackerList = &tracker_list
 				offset += 4
 				if tracker_list.Chunk.Header.DataLen > 0 {
@@ -54,7 +66,8 @@ func DecodeInfoPacketChunk(bytes []byte) InfoPacketChunk {
 	}
 
 	return InfoPacketChunk{
-		Chunk: chunk,
-		Data:  data,
-	}
+			Chunk: chunk,
+			Data:  data,
+		},
+		nil
 }