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make melonDS build again

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This commit is contained in:
Arisotura
2019-03-04 23:17:03 +01:00
parent 720a5fbea5
commit 3f82c7dcc1
3 changed files with 46 additions and 61 deletions
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81
src/libui_sdl/LAN_Socket.cpp
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@ -96,13 +96,13 @@ void DeInit()
//
}
bool HandleIncomingIPFrame(u8* data, int len)
/*bool HandleIncomingIPFrame(u8* data, int len)
{
const u32 serverip = 0x0A404001;
const u32 clientip = 0x0A404010;
if (memcmp(&data[0x1E], PCapAdapterData->IP_v4, 4))
return false;
//if (memcmp(&data[0x1E], PCapAdapterData->IP_v4, 4))
// return false;
u8 protocol = data[0x17];
@ -193,9 +193,9 @@ bool HandleIncomingIPFrame(u8* data, int len)
}
return false;
}
}*/
void RXCallback(u_char* blarg, const struct pcap_pkthdr* header, const u_char* data)
/*void RXCallback(u_char* blarg, const struct pcap_pkthdr* header, const u_char* data)
{
while (PCapRXNum > 0);
@ -215,8 +215,8 @@ void RXCallback(u_char* blarg, const struct pcap_pkthdr* header, const u_char* d
PCapRXNum = 0;
}
}
}
u32 zarp=0;
}*/
bool HandleDHCPFrame(u8* data, int len)
{
const u32 serverip = 0x0A404001;
@ -225,7 +225,7 @@ bool HandleDHCPFrame(u8* data, int len)
u8 type = 0xFF;
u32 transid = *(u32*)&data[0x2E];
zarp=transid;
u8* options = &data[0x11A];
for (;;)
{
@ -322,7 +322,7 @@ zarp=transid;
*out++ = 54; *out++ = 4;
*(u32*)out = htonl(serverip); out += 4; // DHCP server
u8 numdns = 0;
/*u8 numdns = 0;
for (int i = 0; i < 8; i++)
{
if (*(u32*)&PCapAdapterData->DNS[i][0] != 0)
@ -336,7 +336,9 @@ zarp=transid;
{
*(u32*)out = dnsip; out += 4;
}
}
}*/
*out++ = 6; *out++ = 4;
*(u32*)out = htonl(0x08080808); out += 4; // DNS (hax)
*out++ = 0xFF;
memset(out, 0, 20); out += 20;
@ -378,13 +380,9 @@ zarp=transid;
// that being said, this will only happen during DHCP setup, so probably
// not a big deal
PCapPacketLen = framelen;
memcpy(PCapPacketBuffer, resp, PCapPacketLen);
PCapRXNum = 1;
// DEBUG!!
//pcap_sendpacket(PCapAdapter, data, len);
//pcap_sendpacket(PCapAdapter, resp, framelen);
PacketLen = framelen;
memcpy(PacketBuffer, resp, PacketLen);
RXNum = 1;
return true;
}
@ -397,9 +395,6 @@ bool HandleIPFrame(u8* data, int len)
const u32 serverip = 0x0A404001;
const u32 clientip = 0x0A404010;
// debug
//pcap_sendpacket(PCapAdapter, data, len);
u8 protocol = data[0x17];
// any kind of IPv4 frame that isn't DHCP
@ -410,10 +405,10 @@ bool HandleIPFrame(u8* data, int len)
// destination MAC set to host MAC
// source MAC set to melonRouter MAC
memcpy(&data[0], &PCapAdapterData->DHCP_MAC[0], 6);
memcpy(&data[6], &PCapAdapterData->MAC[0], 6);
//memcpy(&data[0], &PCapAdapterData->DHCP_MAC[0], 6);
//memcpy(&data[6], &PCapAdapterData->MAC[0], 6);
*(u32*)&data[0x1A] = *(u32*)&PCapAdapterData->IP_v4[0];
//*(u32*)&data[0x1A] = *(u32*)&PCapAdapterData->IP_v4[0];
u8* ipheader = &data[0xE];
u8* protoheader = &data[0x22];
@ -600,13 +595,9 @@ bool HandleARPFrame(u8* data, int len)
// that being said, this will only happen during DHCP setup, so probably
// not a big deal
PCapPacketLen = framelen;
memcpy(PCapPacketBuffer, resp, PCapPacketLen);
PCapRXNum = 1;
// also broadcast them to the network
pcap_sendpacket(PCapAdapter, data, len);
pcap_sendpacket(PCapAdapter, resp, framelen);
PacketLen = framelen;
memcpy(PacketBuffer, resp, PacketLen);
RXNum = 1;
return true;
}
@ -632,12 +623,12 @@ bool HandlePacket(u8* data, int len)
}
}
printf("LANMAGIC: IP frame, doing NAT\n");
printf("LANMAGIC: IP packet\n");
return HandleIPFrame(data, len);
}
else if (ethertype == 0x0806) // ARP
{
printf("LANMAGIC: ARP\n");
printf("LANMAGIC: ARP packet\n");
return HandleARPFrame(data, len);
}
@ -646,40 +637,30 @@ bool HandlePacket(u8* data, int len)
int SendPacket(u8* data, int len)
{
if (PCapAdapter == NULL)
return 0;
if (len > 2048)
{
printf("LAN_SendPacket: error: packet too long (%d)\n", len);
return 0;
}
if (!Config::DirectLAN)
{
if (HandlePacket(data, len))
return len;
}
// TODO: blarg
if (HandlePacket(data, len))
return len;
pcap_sendpacket(PCapAdapter, data, len);
// TODO: check success
return len;
}
int RecvPacket(u8* data)
{
if (PCapAdapter == NULL)
return 0;
int ret = 0;
if (PCapRXNum > 0)
if (RXNum > 0)
{
memcpy(data, PCapPacketBuffer, PCapPacketLen);
ret = PCapPacketLen;
PCapRXNum = 0;
memcpy(data, PacketBuffer, PacketLen);
ret = PacketLen;
RXNum = 0;
}
pcap_dispatch(PCapAdapter, 1, RXCallback, NULL);
// TODO: check sockets
return ret;
}