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Improved RAW sockets. Added ability to set TTL thorugh setsockopt, Improved ping program.

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git-svn-id: svn://kolibrios.org@5842 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
2015-10-11 18:23:40 +00:00
parent 3315ff7280
commit b6883ee547
12 changed files with 617 additions and 368 deletions
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41
kernel/trunk/network/tcp_subr.inc
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@@ -266,7 +266,7 @@ TCP_outflags:
;---------------------------------------
;-----------------------------------------------------------------
;
; The fast way to send an ACK/RST/keepalive segment
;
@@ -275,7 +275,10 @@ TCP_outflags:
; IN: ebx = socket ptr
; cl = flags
;
;--------------------------------------
; OUT: /
;
;-----------------------------------------------------------------
align 4
TCP_respond:
@@ -285,11 +288,12 @@ TCP_respond:
; Create the IP packet
push cx ebx
mov eax, [ebx + IP_SOCKET.RemoteIP]
mov edx, [ebx + IP_SOCKET.LocalIP]
mov ebx, [ebx + IP_SOCKET.device]
mov edi, [ebx + IP_SOCKET.RemoteIP]
mov al, [ebx + IP_SOCKET.ttl]
mov ah, IP_PROTO_TCP
mov ecx, sizeof.TCP_header
mov di, IP_PROTO_TCP shl 8 + 128
mov ebx, [ebx + IP_SOCKET.device]
call IPv4_output
jz .error
pop esi cx
@@ -347,33 +351,32 @@ TCP_respond:
ret
;-------------------------
;-----------------------------------------------------------------
;
; TCP_respond_segment:
;
; IN: edx = segment ptr (a previously received segment)
; edi = ptr to dest and src IPv4 addresses
; IN: ebx = device ptr
; edx = segment ptr (a previously received segment)
; edi = ptr to IPv4 header
; cl = flags
;
; OUT: /
;
;-----------------------------------------------------------------
align 4
TCP_respond_segment:
DEBUGF DEBUG_NETWORK_VERBOSE,"TCP_respond_segment: frame=%x flags=%x\n", edx, cl
DEBUGF DEBUG_NETWORK_VERBOSE, "TCP_respond_segment: frame=%x flags=%x\n", edx, cl
;---------------------
; Create the IP packet
push cx edx
mov edx, [edi + 4]
mov eax, [edi]
mov edx, [edi + IPv4_header.DestinationAddress]
mov edi, [edi + IPv4_header.SourceAddress]
mov ecx, sizeof.TCP_header
mov di, IP_PROTO_TCP shl 8 + 128
xor ebx, ebx ;;; fixme
mov ax, IP_PROTO_TCP shl 8 + 128
call IPv4_output
jz .error
pop esi cx