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does anyone have the solution? I stuck upon this issue either. -
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Hi, great work! Are there any bugs? And will it work with a high five? -
For others that would like to understand in more details: The login server also uses a protocol (sent by the server to the client in the very first packet). For instance, the C4 client (the one I'm developing my emulator for) expects the protocol number `50721` (or `0xc621`) which works as follow (from what I've gathered): Preamble: L2 packets are divided into two parts: size and payload; As mentioned, every packet starts with two bytes containing the whole packet size (thus including those two bytes, e.g. a packet of size 15 will have the number `15` written onto its first two bytes and a following payload of 13 bytes); For login server, first byte of the payload is the opcode (game server must deal with variable-sized opcodes); Next bytes are the packet content; Before sending the packet, its buffer size (minus the initial two bytes) is padded to 8 bytes (required by upcoming Blowfish encoding); A checksum of the packet is appended at the end, then the payload is again padded to 8 bytes; If the opcode is not `0` (also written as `0x00`), then the payload is encoded by Blowfish; Packet is sent over the network. You can have a look at my implementation (in C++) here (do note I'm assuming little-endian). In this protocol, the auth packet (`0x00`) sent back by the client is RSA encrypted using the RSA modulus sent in the first server packet, inserted right after the protocol number.
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Mrakobes1
Hi, i have l2off c4 server , first i created account and login select server and create char.., but if i click create nothing happend ... So i checked db ,and there are all data of characters witch i created . So i tried to login again and if i selct server , server wrote me :
09/20/2007 18:50:59.734, [Account.cpp][381] Cannot load day uesed time for account [1]
09/20/2007 18:50:59.734, [Account.cpp][321]Error. Cannot load Week play time, account id [1]
09/20/2007 18:50:59.812, [Account.cpp][381] Cannot load day uesed time for account [1]
09/20/2007 18:50:59.812, [Account.cpp][341]Error. Cannot load Week play time, account id [1] ...
Can somebody help me ?
Thanks Mrakobes ..
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