Function at 0x14016db20
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
push rdi
sub rsp, 0x30
mov rax, qword [rcx + 0x10]
mov rbx, rcx
mov rdi, qword [rax]
sub edx, 3
je 0x14016dd25
sub edx, 2
je 0x14016dcbd
sub edx, 1
je 0x14016dc3a
cmp edx, 1
je 0x14016db84
lea r8, str.tftp_rx:_internal_error
mov rcx, rdi
lea rdx, [0x1402967a0]
call fcn.140149ce0
mov eax, 0x47
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
movzx eax, word [rcx + 0x48]
lea rdx, str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
inc dword [rcx + 0x20]
inc eax
mov r9d, dword [rcx + 0x20]
mov rcx, rdi
movzx r8d, ax
call fcn.140149df0
mov eax, dword [rbx + 0x28]
cmp dword [rbx + 0x20], eax
jle 0x14016dbcc
mov edx, 3
mov dword [rbx + 8], 0xffffff9d
mov dword [rbx], edx
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x14016de0e
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rcx, qword [rbx + 0x10]
mov edx, eax
call fcn.140136f70
mov r8, rax
lea rdx, [0x1402967a0]
mov rcx, rdi
call fcn.140149ce0
mov eax, gethostname
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
xor eax, eax
mov word [rcx + 0x48], ax
mov dword [rcx + 0x20], eax
add rcx, 0x170
lea edx, [rax + 4]
call fcn.14016d460
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.14016d440
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x14016dc02
mov r8d, 1
lea rcx, [rbx + 0x40]
mov dword [rbx], r8d
call qword [sym.imp.api_ms_win_crt_time_l1_1_0.dll__time64]
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
mov edx, 5
add rcx, 0x170
call fcn.14016d460
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.14016d440
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
mov edx, 3
xor eax, eax
mov dword [rbx], edx
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
add rcx, 0x168
call fcn.14016d400
movzx ecx, word [rbx + 0x48]
movzx esi, ax
lea eax, [rcx + 1]
movzx r9d, ax
cmp r9d, esi
jne 0x14016dd4b
xor eax, eax
mov dword [rbx + 0x20], eax
jmp 0x14016dd65
cmp ecx, esi
mov r8d, esi
mov rcx, rdi
jne 0x14016de02
lea rdx, str.Received_last_DATA_packet_block__d_again._n
call fcn.140149df0
mov edx, 4
mov word [rbx + 0x48], si
lea rcx, [rbx + 0x170]
call fcn.14016d460
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.14016d440
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x14016dc02
movsxd rcx, dword [rbx + 0x15c]
mov edx, 3
movsxd rax, dword [rbx + 0x154]
add rcx, 4
cmp rax, rcx
mov r8d, 1
lea rcx, [rbx + 0x40]
cmovge edx, r8d
mov dword [rbx], edx
call qword [sym.imp.api_ms_win_crt_time_l1_1_0.dll__time64]
xor eax, eax
mov rbx, qword [rsp + 0x40]
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret
lea rdx, str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
call fcn.140149df0
mov rbx, qword [rsp + 0x40]
xor eax, eax
mov rsi, qword [rsp + 0x48]
add rsp, 0x30
pop rdi
ret