forked from KolibriOS/kolibrios
Add is_userspace_region checks to some socket functions.
Disabled PPPoE and IPv6 completely by default, as not functional. git-svn-id: svn://kolibrios.org@9049 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
eccd8f2198
commit
7b13d5fb4e
@ -1,6 +1,6 @@
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;; ;;
|
||||
;; Copyright (C) KolibriOS team 2012-2019. All rights reserved. ;;
|
||||
;; Copyright (C) KolibriOS team 2012-2021. All rights reserved. ;;
|
||||
;; Distributed under terms of the GNU General Public License ;;
|
||||
;; ;;
|
||||
;; PPPoE.INC ;;
|
||||
@ -141,38 +141,41 @@ pppoe_discovery_output:
|
||||
DEBUGF DEBUG_NETWORK_VERBOSE, "PPPoE_discovery_output: device=%x\n", ebx
|
||||
|
||||
; Create packet.
|
||||
push ecx esi
|
||||
;;;; FIXME stdcall kernel_alloc, 1500
|
||||
pop esi ecx
|
||||
stdcall net_buff_alloc, 1514 + NET_BUFF.data
|
||||
test eax, eax
|
||||
jz .bad
|
||||
|
||||
; Net buffer header
|
||||
mov [eax + NET_BUFF.type], NET_BUFF_ETH
|
||||
mov [eax + NET_BUFF.device], ebx
|
||||
mov [eax + NET_BUFF.offset], NET_BUFF.data
|
||||
|
||||
; Packet data
|
||||
mov edx, ecx
|
||||
mov edi, eax
|
||||
lea edi, [eax + NET_BUFF.data]
|
||||
rep movsb
|
||||
|
||||
cmp edx, 60 ; Min ETH size
|
||||
; Packet size
|
||||
cmp edx, 60
|
||||
ja @f
|
||||
mov edx, 60
|
||||
@@:
|
||||
mov [eax + NET_BUFF.length], edx
|
||||
|
||||
push edx eax ; size and packet ptr for driver send proc
|
||||
|
||||
; Overwrite source MAC and protocol type
|
||||
lea edi, [eax + ETH_header.SrcMAC]
|
||||
; Overwrite ETH source MAC with our own
|
||||
lea esi, [ebx + ETH_DEVICE.mac]
|
||||
lea edi, [eax + NET_BUFF.data + ETH_header.SrcMAC]
|
||||
movsd
|
||||
movsw
|
||||
cmp word[edi], ETHER_PROTO_PPP_SESSION ; Allow only PPP_discovery, or LCP
|
||||
|
||||
; Allow only PPP_discovery, or LCP
|
||||
cmp word[edi], ETHER_PROTO_PPP_SESSION
|
||||
je @f
|
||||
mov ax, ETHER_PROTO_PPP_DISCOVERY
|
||||
stosw
|
||||
mov word[edi], ETHER_PROTO_PPP_DISCOVERY
|
||||
@@:
|
||||
|
||||
; And send the packet
|
||||
call [ebx + NET_DEVICE.transmit]
|
||||
|
||||
xor eax, eax
|
||||
stdcall [ebx + NET_DEVICE.transmit], eax
|
||||
ret
|
||||
|
||||
.bad:
|
||||
|
||||
@ -332,8 +332,8 @@ socket_open:
|
||||
cmp ecx, AF_PPP
|
||||
jne .no_ppp
|
||||
|
||||
cmp esi, PPP_PROTO_ETHERNET
|
||||
je .pppoe
|
||||
; cmp esi, PPP_PROTO_ETHERNET
|
||||
; je .pppoe
|
||||
|
||||
.no_ppp:
|
||||
.unsupported:
|
||||
@ -404,15 +404,15 @@ align 4
|
||||
mov [eax + SOCKET.connect_proc], ipv4_connect
|
||||
ret
|
||||
|
||||
align 4
|
||||
.pppoe:
|
||||
push eax
|
||||
init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
|
||||
pop eax
|
||||
|
||||
mov [eax + SOCKET.snd_proc], socket_send_pppoe
|
||||
mov [eax + SOCKET.rcv_proc], socket_receive_dgram
|
||||
ret
|
||||
;align 4
|
||||
; .pppoe:
|
||||
; push eax
|
||||
; init_queue (eax + SOCKET_QUEUE_LOCATION) ; Set up data receiving queue
|
||||
; pop eax
|
||||
;
|
||||
; mov [eax + SOCKET.snd_proc], socket_send_pppoe
|
||||
; mov [eax + SOCKET.rcv_proc], socket_receive_dgram
|
||||
; ret
|
||||
|
||||
|
||||
;-----------------------------------------------------------------;
|
||||
@ -774,7 +774,7 @@ socket_close:
|
||||
; ;
|
||||
; IN: ecx = socket number ;
|
||||
; edx = addr to application buffer ;
|
||||
; edx = length of application buffer ;
|
||||
; esi = length of application buffer ;
|
||||
; edi = flags ;
|
||||
; ;
|
||||
; OUT: eax = number of bytes copied ;
|
||||
@ -792,6 +792,9 @@ socket_receive:
|
||||
test eax, eax
|
||||
jz .invalid
|
||||
|
||||
stdcall is_region_userspace, edx, esi
|
||||
jnz .invalid
|
||||
|
||||
.loop:
|
||||
push edi
|
||||
call [eax + SOCKET.rcv_proc]
|
||||
@ -998,6 +1001,9 @@ socket_send:
|
||||
test eax, eax
|
||||
jz .invalid
|
||||
|
||||
stdcall is_region_userspace, edx, esi
|
||||
jnz .invalid
|
||||
|
||||
mov ecx, esi
|
||||
mov esi, edx
|
||||
|
||||
@ -1080,23 +1086,23 @@ socket_send_icmp:
|
||||
ret
|
||||
|
||||
|
||||
align 4
|
||||
socket_send_pppoe:
|
||||
|
||||
DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n"
|
||||
|
||||
mov [esp+32], ecx
|
||||
mov ebx, [eax + SOCKET.device]
|
||||
|
||||
call pppoe_discovery_output ; FIXME: errorcodes
|
||||
cmp eax, -1
|
||||
je .error
|
||||
ret
|
||||
|
||||
.error:
|
||||
mov dword[esp+32], -1
|
||||
mov dword[esp+20], EMSGSIZE
|
||||
ret
|
||||
;align 4
|
||||
;socket_send_pppoe:
|
||||
;
|
||||
; DEBUGF DEBUG_NETWORK_VERBOSE, "SOCKET_send: PPPoE\n"
|
||||
;
|
||||
; mov [esp+32], ecx
|
||||
; mov ebx, [eax + SOCKET.device]
|
||||
;
|
||||
; call pppoe_discovery_output ; FIXME: errorcodes
|
||||
; cmp eax, -1
|
||||
; je .error
|
||||
; ret
|
||||
;
|
||||
; .error:
|
||||
; mov dword[esp+32], -1
|
||||
; mov dword[esp+20], EMSGSIZE
|
||||
; ret
|
||||
|
||||
|
||||
|
||||
@ -1383,6 +1389,9 @@ socket_debug:
|
||||
test eax, eax
|
||||
jz .invalid
|
||||
|
||||
stdcall is_region_userspace, edi, SOCKET_STRUCT_SIZE
|
||||
jnz .invalid
|
||||
|
||||
mov esi, eax
|
||||
mov ecx, SOCKET_STRUCT_SIZE/4
|
||||
rep movsd
|
||||
|
||||
@ -243,11 +243,11 @@ include "queue.inc"
|
||||
include "loopback.inc"
|
||||
include "ethernet.inc"
|
||||
|
||||
include "PPPoE.inc"
|
||||
;include "PPPoE.inc"
|
||||
|
||||
include "ARP.inc"
|
||||
include "IPv4.inc"
|
||||
include "IPv6.inc"
|
||||
;include "IPv6.inc"
|
||||
|
||||
include "icmp.inc"
|
||||
include "udp.inc"
|
||||
@ -319,7 +319,7 @@ end if
|
||||
|
||||
eth_init
|
||||
|
||||
pppoe_init
|
||||
; pppoe_init
|
||||
|
||||
ipv4_init
|
||||
; ipv6_init
|
||||
@ -828,10 +828,9 @@ sys_network:
|
||||
ret
|
||||
|
||||
.get_dev_name:
|
||||
mov ebx, eax
|
||||
stdcall is_region_userspace, ecx, 64
|
||||
jnz .bad_buffer
|
||||
mov esi, [ebx + NET_DEVICE.name]
|
||||
mov esi, [eax + NET_DEVICE.name]
|
||||
mov edi, ecx
|
||||
|
||||
mov ecx, 64/4 ; max length
|
||||
@ -968,11 +967,11 @@ sys_protocols:
|
||||
cmp ax, API_ARP
|
||||
je arp_api
|
||||
|
||||
cmp ax, API_PPPOE
|
||||
je pppoe_api
|
||||
; cmp ax, API_PPPOE
|
||||
; je pppoe_api
|
||||
|
||||
cmp ax, API_IPv6
|
||||
je ipv6_api
|
||||
; cmp ax, API_IPv6
|
||||
; je ipv6_api
|
||||
|
||||
add esp, 4 ; if we reached here, no function was called, so we need to balance stack
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user