Function at 0x140123ec0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0xa0]
sub rsp, 0x1a0
mov rax, qword [0x1401c7f00]
xor rax, rsp
mov qword [rbp + 0x90], rax
mov r15, qword [rcx + 0x10]
lea rax, str.octet
xor esi, esi
lea r14, str.netascii
mov rbx, rcx
cmp byte [r15 + 0x1328], sil
cmove r14, rax
cmp edx, 7
ja case.0x14012389c.1
lea r8, [0x140000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0x123da0]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1401238bd
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x140123d77
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0x132d], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x1401238f2
mov byte [rax + 1], 2
mov rdx, qword [r15 + 0x1158]
cmp rdx, 0xffffffffffffffff
je 0x1401238f6
mov rcx, r15
call fcn.1401170a0
jmp 0x1401238f6
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r8, [rsp + 0x40]
xor r9d, r9d
mov dword [rsp + 0x20], 4
xor edx, edx
mov rcx, qword [rax + 0x11a8]
inc rcx
call fcn.1400df390
mov esi, eax
test eax, eax
jne 0x140123d77
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x140123936
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
inc rax
cmp byte [r9 + rax], 0
jne 0x140123952
cmp rax, rcx
jbe 0x140123985
lea rdx, str.TFTP_filename_too_long
mov rcx, r15
call fcn.1400fbb80
mov rcx, qword [rsp + 0x40]
call qword [fcn.140165b32]
mov eax, 0x47
jmp 0x140123d77
mov rcx, qword [rbx + 0x158]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], r14
mov qword [rsp + 0x20], 0
call fcn.1400e5480
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1401239b6
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop dword [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1401239d0
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xa54], 0
jne 0x140123cc4
cmp byte [r15 + 0x132d], 0
je 0x140123a1e
mov r9, qword [r15 + 0x1158]
cmp r9, rdi
je 0x140123a1e
lea r8, str._lld
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1400e5480
jmp 0x140123a28
mov eax, 0x30
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x140123a3f
lea rcx, [rsp + 0x50]
jmp 0x140123a93
mov rdx, qword [rbx + 0x158]
lea rcx, str.tsize
add rdx, r14
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123a50
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140123a70
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140123ad1
mov r9d, dword [rbx + 0x148]
lea r8, [0x1401a3c6c]
mov edx, 0x40
call fcn.1400e5480
mov r9d, dword [rbx + 0x24]
lea r8, [0x1401a3c6c]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1400e5480
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140123968
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123ae0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140123b00
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1401a3c6c]
mov edx, 0x40
call fcn.1400e5480
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x140123aab
mov rdx, qword [rbx + 0x158]
lea rcx, str.blksize
add rdx, rsi
nop dword [rax]
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123b60
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140123b80
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x140123bc4
mov r9d, dword [rbx + 0x24]
lea r8, [0x1401a3c6c]
mov edx, 0x40
call fcn.1400e5480
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x140123968
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123bd0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140123bf0
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1401a3c6c]
mov edx, 0x40
call fcn.1400e5480
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x140123ac5
mov rdx, qword [rbx + 0x158]
lea rcx, str.timeout
add rdx, rsi
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123c41
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x140123c60
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x140123ac5
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x140123c91
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x140123cb0
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov rdx, qword [rax + 0x50]
mov eax, dword [rdx + 0xc]
lea r8, [rdx + 0x10]
mov rdx, qword [rbx + 0x158]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], r8
mov r8d, r14d
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x140123d24
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1400dfdc0
mov r8, rax
lea rdx, [0x1401a3c70]
mov rcx, r15
call fcn.1400fbb80
mov rcx, qword [rsp + 0x40]
call qword [fcn.140165b32]
jmp 0x140123d75
mov rcx, rbx
cmp byte [r15 + 0x132d], sil
je 0x140123d55
call fcn.140122fb0
mov esi, eax
jmp 0x140123d75
mov rcx, rbx
call fcn.140122fb0
mov esi, eax
jmp 0x140123d75
mov rcx, rbx
call fcn.140122f60
mov esi, eax
jmp 0x140123d75
mov dword [rbx], 3
jmp 0x140123d75
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.1400fbb80
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.140164680
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x1a0
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x140123f27
sub r8d, 1
je 0x140123f1e
sub r8d, 1
je 0x140123f15
lea rdx, [0x1401a3c70]
mov rcx, r9
cmp r8d, 1
je 0x140123f02
lea r8, str.Internal_state_machine_error
call fcn.1400fbb80
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.1400fbc70
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.140124070
add rsp, 0x28
jmp fcn.1401234f0
add rsp, 0x28
jmp 0x140123830