Function at 0x42fc1a
Capabilities:
Send data
Send data on socket

Disassembly:
mov eax, dword [esi + 0x10]
push ebx
push ebp
push edi
mov edi, dword [eax]
lea eax, [ecx - 4]
xor ebx, ebx
cmp eax, 3
ja case.default.0x42fa66
jmp dword [eax*4 + 0x42fd24]
cmp ecx, 4
jne 0x42fb46
lea eax, [esi + 0x15c]
call fcn.0042f4f0
movzx edx, word [esi + 0x40]
movzx eax, ax
movzx ecx, dx
cmp eax, ecx
je 0x42fb34
cmp dx, bx
jne 0x42faa3
cmp eax, 0xffff
je 0x42fb34
push ecx
push eax
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.00423890
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x42fadc
movzx ecx, word [esi + 0x40]
push ecx
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.00423920
add esp, 0xc
pop edi
mov ebx, 0x37
pop ebp
mov eax, ebx
pop ebx
ret
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x150]
push edx
mov edx, dword [esi + 0x160]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x14]
push ebx
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x42fb2e
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.00428950
push eax
push 0x458980
push edi
call fcn.00423920
add esp, 0x14
mov ebx, 0x37
pop edi
pop ebp
mov eax, ebx
pop ebx
ret
lea edx, [esi + 0x38]
push edx
call fcn.00448e8e
add esp, 4
inc word [esi + 0x40]
jmp 0x42fb4f
mov eax, 1
mov word [esi + 0x40], ax
mov dword [esi + 0x18], ebx
lea ebx, [esi + 0x160]
mov eax, 3
mov ecx, ebx
call fcn.0042f4a0
mov ax, word [esi + 0x40]
mov ecx, ebx
call fcn.0042f4c0
cmp word [esi + 0x40], 1
jbe 0x42fb88
mov ecx, dword [esi + 0x150]
cmp ecx, dword [esi + 0x154]
jl 0x42fd03
mov edx, dword [esi + 0x154]
mov eax, dword [esi + 0x10]
lea ebp, [esi + 0x150]
push ebp
push edx
push eax
call fcn.0043f7f0
add esp, 0xc
test eax, eax
jne 0x42fd20
mov ecx, dword [esi + 0x148]
push ecx
mov ecx, dword [ebx]
lea edx, [esi + 0xc8]
push edx
mov edx, dword [esi + 0x14]
push eax
mov eax, dword [ebp]
add eax, 4
push eax
push ecx
push edx
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x42fbf9
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
mov eax, dword [esi + 0x10]
push eax
call fcn.00428950
push eax
push 0x458980
push edi
call fcn.00423920
add esp, 0x14
pop edi
pop ebp
mov eax, 0x37
pop ebx
ret
mov eax, dword [ebp]
cdq
add dword [edi + 0x78], eax
adc dword [edi + 0x7c], edx
mov ecx, dword [edi + 0x7c]
mov edx, dword [edi + 0x78]
push ecx
push edx
push edi
call fcn.0043ee30
add esp, 0xc
pop edi
pop ebp
xor eax, eax
pop ebx
ret
inc dword [esi + 0x18]
mov eax, dword [esi + 0x18]
push eax
movzx eax, word [esi + 0x40]
inc eax
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.00423890
mov ecx, dword [esi + 0x18]
add esp, 0x10
cmp ecx, dword [esi + 0x20]
jle 0x42fc55
pop edi
pop ebp
mov dword [esi + 8], 0xffffff9d
mov dword [esi], 3
xor eax, eax
pop ebx
ret
mov edx, dword [esi + 0x148]
mov ecx, dword [esi + 0x150]
push edx
mov edx, dword [esi + 0x160]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x14]
push ebx
add ecx, 4
push ecx
push edx
push eax
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jge 0x42fcab
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
mov ecx, dword [esi + 0x10]
push eax
push ecx
call fcn.00428950
push eax
push 0x458980
push edi
call fcn.00423920
add esp, 0x14
pop edi
pop ebp
mov eax, 0x37
pop ebx
ret
mov edx, dword [edi + 0x7c]
mov eax, dword [edi + 0x78]
push edx
push eax
push edi
call fcn.0043ee30
add esp, 0xc
pop edi
pop ebp
xor eax, eax
pop ebx
ret
lea edi, [esi + 0x160]
mov eax, 5
mov ecx, edi
mov dword [esi], 3
call fcn.0042f4a0
mov ax, word [esi + 0x40]
mov ecx, edi
call fcn.0042f4c0
mov ecx, dword [esi + 0x148]
mov eax, dword [edi]
push ecx
mov ecx, dword [esi + 0x14]
lea edx, [esi + 0xc8]
push edx
push ebx
push 4
push eax
push ecx
call dword [sym.imp.WS2_32.dll_sendto]
pop edi
pop ebp
mov dword [esi], 3
xor eax, eax
pop ebx
ret
push ecx
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.00423920
add esp, 0xc
xor eax, eax
pop edi
pop ebp
pop ebx
ret