74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
#include "protocol.h"
|
|
#include "protocol_constants.h"
|
|
|
|
|
|
int parse_server_handshake(const void *data, guint length, mcpc_protocol_context *ctx){
|
|
guint readed;
|
|
uint32_t varint;
|
|
int8_t varlen;
|
|
readed=varlen=VarIntToUint(data, &varint, length);//PacketID
|
|
if(varlen>0){
|
|
// readed=varlen;
|
|
switch(varint){
|
|
case 0x00:
|
|
varlen=VarIntToUint(data+readed, &varint, length-readed);//Protocol version
|
|
readed+=varlen;
|
|
varlen=VarIntToUint(data+readed, &varint, length);//String length
|
|
readed+=varlen+varint+2;
|
|
varlen=VarIntToUint(data+readed, &varint, length);//Next state
|
|
if(varint==1)
|
|
ctx->state=STATE_SLP;
|
|
else if(varint==2)
|
|
ctx->state=STATE_LOGIN;
|
|
else
|
|
return -1;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
int parse_server_login(const void *data, guint length, mcpc_protocol_context *ctx _U_){
|
|
// guint readed;
|
|
uint32_t varint;
|
|
int8_t varlen;
|
|
varlen=VarIntToUint(data, &varint, length);//PacketID
|
|
if(varlen>0){
|
|
// readed=varlen;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
int parse_client_login(const void *data, guint length, mcpc_protocol_context *ctx){
|
|
// guint readed;
|
|
uint32_t varint;
|
|
int8_t varlen;
|
|
varlen=VarIntToUint(data, &varint, length);//PacketID
|
|
if(varlen>0){
|
|
// readed=varlen;
|
|
switch(varint){
|
|
case PID_CB_LOGIN_SET_COMPRESSION:
|
|
varlen=VarIntToUint(data+varlen, &varint, length);//PacketID
|
|
if(varlen>0)
|
|
ctx->compressTrxld=(int32_t)varint;
|
|
else
|
|
return -1;
|
|
break;
|
|
case PID_CB_LOGIN_SUCCESS:
|
|
ctx->state=STATE_PLAY;
|
|
break;
|
|
case PID_CB_LOGIN_CRYPT_RQ:
|
|
case PID_CB_LOGIN_DISCONNECT:
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|