Function at 0x4b7c20
Capabilities:
Send data
Send data on socket

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
xor ebx, ebx
push edi
mov eax, dword [esi + 0x10]
mov edi, dword [eax]
mov eax, dword [esp + 0x14]
lea ecx, [eax - 4]
cmp ecx, 3
ja case.default.0x4b7c3e
jmp dword [ecx*4 + 0x4b7f44]
cmp eax, 4
jne 0x4b7d24
mov ecx, dword [esi + 0x15c]
movzx eax, byte [ecx + 2]
shl ax, 8
movzx edx, ax
movzx eax, byte [ecx + 3]
or edx, eax
movzx eax, word [esi + 0x40]
mov ecx, eax
cmp edx, ecx
je 0x4b7d12
test ax, ax
jne 0x4b7c84
cmp edx, 0xffff
je 0x4b7d12
push ecx
push edx
push str.Received_ACK_for_block__d__expecting__d_n
push edi
call fcn.004a4ad0
inc dword [esi + 0x18]
add esp, 0x10
mov eax, dword [esi + 0x18]
cmp eax, dword [esi + 0x20]
jle 0x4b7cbd
movzx eax, word [esi + 0x40]
push eax
push str.tftp_tx:_giving_up_waiting_for_block__d_ack
push edi
call fcn.004a49b0
add esp, 0xc
mov ebx, 0x37
mov eax, ebx
pop edi
pop esi
pop ebx
ret
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x150]
push 0
add eax, 4
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4b7d0c
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [esi + 0x10]
call fcn.004955c0
push eax
push 0x5230a4
push edi
call fcn.004a49b0
add esp, 0x14
mov ebx, 0x37
pop edi
pop esi
mov eax, ebx
pop ebx
ret
lea eax, [esi + 0x38]
push eax
call fcn.004d7dfc
add esp, 4
inc word [esi + 0x40]
jmp 0x4b7d2d
mov eax, 1
mov word [esi + 0x40], ax
mov dword [esi + 0x18], ebx
mov eax, dword [esi + 0x160]
mov byte [eax], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 3
movzx edx, word [esi + 0x40]
mov eax, dword [esi + 0x160]
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov eax, dword [esi + 0x160]
mov byte [eax + 3], dl
cmp word [esi + 0x40], 1
jbe 0x4b7d76
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jl 0x4b7f20
mov eax, dword [esi + 0x10]
mov ecx, dword [esi + 0x160]
mov dword [esi + 0x150], ebx
add ecx, 4
mov eax, dword [eax]
mov dword [eax + 0x128], ecx
lea eax, [esp + 0x10]
push eax
mov eax, dword [esi + 0x154]
sub eax, dword [esi + 0x150]
push eax
push dword [esi + 0x10]
call fcn.004a8120
add esp, 0xc
test eax, eax
jne 0x4b7f3d
mov eax, dword [esi + 0x10]
mov ecx, dword [esp + 0x10]
add dword [esi + 0x150], ecx
mov eax, dword [eax]
add dword [eax + 0x128], ecx
mov eax, dword [esi + 0x150]
cmp eax, dword [esi + 0x154]
jge 0x4b7dde
cmp dword [esp + 0x10], ebx
jne 0x4b7d90
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x150]
push 0
add eax, 4
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x4b7ea6
mov eax, dword [esi + 0x150]
cdq
add dword [edi + 0x98], eax
adc dword [edi + 0x9c], edx
push dword [edi + 0x9c]
push dword [edi + 0x98]
push edi
call fcn.004aee50
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebx
ret
movzx eax, word [esi + 0x40]
inc dword [esi + 0x18]
inc eax
push dword [esi + 0x18]
and eax, 0xffff
push eax
push str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
push edi
call fcn.004a4ad0
mov eax, dword [esi + 0x18]
add esp, 0x10
cmp eax, dword [esi + 0x20]
jle 0x4b7e76
pop edi
mov dword [esi + 8], 0xffffff9d
xor eax, eax
mov dword [esi], 3
pop esi
pop ebx
ret
push dword [esi + 0x148]
lea eax, [esi + 0xc8]
push eax
mov eax, dword [esi + 0x150]
push 0
add eax, 4
push eax
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x4b7e21
call dword [sym.imp.WS2_32.dll_WSAGetLastError]
push eax
push dword [esi + 0x10]
call fcn.004955c0
push eax
push 0x5230a4
push edi
call fcn.004a49b0
add esp, 0x14
mov eax, 0x37
pop edi
pop esi
pop ebx
ret
mov dword [esi], 3
mov eax, dword [esi + 0x160]
mov byte [eax], bl
mov eax, dword [esi + 0x160]
mov byte [eax + 1], 5
movzx edx, word [esi + 0x40]
mov eax, dword [esi + 0x160]
mov ecx, edx
shr ecx, 8
mov byte [eax + 2], cl
mov eax, dword [esi + 0x160]
mov byte [eax + 3], dl
lea eax, [esi + 0xc8]
push dword [esi + 0x148]
push eax
push 0
push 4
push dword [esi + 0x160]
push dword [esi + 0x14]
call dword [sym.imp.WS2_32.dll_sendto]
pop edi
mov dword [esi], 3
xor eax, eax
pop esi
pop ebx
ret
push eax
push str.tftp_tx:_internal_error__event:__i
push edi
call fcn.004a49b0
add esp, 0xc
xor eax, eax
pop edi
pop esi
pop ebx
ret