implemented RegisterRequest handler

src/network/tcp-chat-protocol/constant.h

@@ -1,6 +1,7 @@
 #pragma once
 #include "tlibc/errors.h"
 #include "magic.h"
+#include "common_constants.h"
 
 #define AES_SESSION_KEY_SIZE 32
 

src/network/tcp-chat-protocol/v1.c

@@ -56,8 +56,8 @@ Result(void) RegisterRequest_tryConstruct(RegisterRequest *ptr, PacketHeader* he
     _PacketHeader_construct(RegisterRequest);
 
     try_assert(username.size >= USERNAME_SIZE_MIN && username.size <= USERNAME_SIZE_MAX);
-    ptr->username_size = username.size;
     memcpy(ptr->username, username.data, username.size);
+    ptr->username[username.size] = 0;
 
     try_assert(token.size == sizeof(ptr->token));
     memcpy(ptr->token, token.data, token.size);

src/network/tcp-chat-protocol/v1.h

@@ -2,7 +2,6 @@
 #include "tlibc/errors.h"
 #include "tlibc/string/str.h"
 #include "network/tcp-chat-protocol/constant.h"
-#include "cryptography/cryptography.h"
 
 #define PROTOCOL_VERSION 1 /* 1.0.0 */
 #define NETWORK_BUFFER_SIZE 65536
@@ -80,14 +79,8 @@ void LoginResponse_construct(LoginResponse* ptr, PacketHeader* header,
     u64 user_id, u64 landing_channel_id);
 
 
-#define USERNAME_SIZE_MIN 4
-#define USERNAME_SIZE_MAX 64
-#define PASSWORD_SIZE_MIN 8
-#define PASSWORD_SIZE_MAX 32
-
 typedef struct RegisterRequest {
-    u32 username_size;
-    char username[USERNAME_SIZE_MAX];
+    char username[USERNAME_SIZE_MAX + 1]; // null-terminated
     u8 token[PASSWORD_HASH_SIZE];
 } ALIGN_PACKET_STRUCT RegisterRequest;