Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/JUmHL
function name: (null)
number of ops: 1
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
31 0 E > > RETURN 1
Function tftp_fetch:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 44) Position 1 = 60, Position 2 = 28
Branch analysis from position: 60
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 28
filename: /in/JUmHL
function name: tftp_fetch
number of ops: 62
compiled vars: !0 = $host, !1 = $filename, !2 = $socket, !3 = $packet, !4 = $buffer, !5 = $port, !6 = $ret
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
1 RECV !1
4 2 INIT_FCALL_BY_NAME 'socket_create'
3 FETCH_CONSTANT ~7 'AF_INET'
4 SEND_VAL_EX ~7
5 FETCH_CONSTANT ~8 'SOCK_DGRAM'
6 SEND_VAL_EX ~8
7 FETCH_CONSTANT ~9 'SOL_UDP'
8 SEND_VAL_EX ~9
9 DO_FCALL 0 $10
10 ASSIGN !2, $10
7 11 CONCAT ~12 '%00%01', !1
12 CONCAT ~13 ~12, '%00'
13 CONCAT ~14 ~13, 'octet'
14 CONCAT ~15 ~14, '%00'
15 ASSIGN !3, ~15
9 16 INIT_FCALL_BY_NAME 'socket_sendto'
17 SEND_VAR_EX !2
18 SEND_VAR_EX !3
19 STRLEN ~17 !3
20 SEND_VAL_EX ~17
21 SEND_VAL_EX 256
22 SEND_VAR_EX !0
23 SEND_VAL_EX 69
24 DO_FCALL 0
11 25 ASSIGN !4, ''
12 26 ASSIGN !5, ''
13 27 ASSIGN !6, ''
18 28 > INIT_FCALL_BY_NAME 'socket_recvfrom'
29 SEND_VAR_EX !2
30 SEND_VAR_EX !4
31 SEND_VAL_EX 516
32 SEND_VAL_EX 0
33 SEND_VAR_EX !0
34 SEND_VAR_EX !5
35 DO_FCALL 0
21 36 INIT_FCALL 'substr'
37 SEND_VAR !4
38 SEND_VAL 2
39 SEND_VAL 2
40 DO_ICALL $23
41 CONCAT ~24 '%00%04', $23
42 ASSIGN !3, ~24
23 43 INIT_FCALL_BY_NAME 'socket_sendto'
44 SEND_VAR_EX !2
45 SEND_VAR_EX !3
46 STRLEN ~26 !3
47 SEND_VAL_EX ~26
48 SEND_VAL_EX 0
49 SEND_VAR_EX !0
50 SEND_VAR_EX !5
51 DO_FCALL 0
27 52 INIT_FCALL 'substr'
53 SEND_VAR !4
54 SEND_VAL 4
55 DO_ICALL $28
56 ASSIGN_OP 8 !6, $28
29 57 STRLEN ~30 !4
58 IS_EQUAL ~30, 516
59 > JMPNZ ~31, ->28
30 60 > > RETURN !6
31 61* > RETURN null
End of function tftp_fetch
Generated using Vulcan Logic Dumper, using php 8.0.0