-
Notifications
You must be signed in to change notification settings - Fork 2
/
protocol.c
73 lines (69 loc) · 1.64 KB
/
protocol.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
#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;
}