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