extern tVFS_Node *IPStack_Root_FindDir(tVFS_Node *Node, const char *Name);
extern int IPStack_Root_IOCtl(tVFS_Node *Node, int ID, void *Data);
extern tInterface gIP_LoopInterface;
+extern tInterface *IPStack_AddInterface(const char *Device, const char *Name);
+extern tRoute *IPStack_AddRoute(const char *Interface, void *Network, int SubnetBits, void *NextHop, int Metric);
// === PROTOTYPES ===
int IPStack_Install(char **Arguments);
for( i = 0; Arguments[i]; i++ )
{
// TODO:
- // Define interfaces by <Device>,<Type>,<HexStreamAddress>,<Bits>
+ // Define interfaces by <Device>:<Type>:<HexStreamAddress>:<Bits>
// Where:
// - <Device> is the device path (E.g. /Devices/ne2k/0)
// - <Type> is a number (e.g. 4) or symbol (e.g. AF_INET4)
// - <HexStreamAddress> is a condensed hexadecimal stream (in big endian)
// (E.g. 0A000201 for 10.0.2.1 IPv4)
// - <Bits> is the number of subnet bits (E.g. 24 for an IPv4 Class C)
- // Example: /Devices/ne2k/0,4,0A00020A,24
+ // Example: /Devices/ne2k/0:4:0A00020A:24
+ // would define an interface with the address 10.0.2.10/24
+ if( Arguments[i][0] == '/' ) {
+ // Define Interface
+ char *dev, *type, *addr, *bits;
+
+ // Read definition
+ dev = Arguments[i];
+ type = strchr(dev, ':');
+ if( !type ) {
+ Log_Warning("IPStack", "<Device>:<Type>:<HexStreamAddress>:<Bits>");
+ continue;
+ }
+ *type = '\0'; type ++;
+
+ addr = strchr(type, ':');
+ if( !addr ) {
+ Log_Warning("IPStack", "<Device>:<Type>:<HexStreamAddress>:<Bits>");
+ continue;
+ }
+ *addr = '\0'; addr ++;
+
+ bits = strchr(addr, ':');
+ if( !bits ) {
+ Log_Warning("IPStack", "<Device>:<Type>:<HexStreamAddress>:<Bits>");
+ continue;
+ }
+ *bits = '\0'; bits ++;
+
+ // Define interface
+ {
+ int iType = atoi(type);
+ int size = IPStack_GetAddressSize(iType);
+ Uint8 addrData[size];
+ int iBits = atoi(bits);
+
+ UnHex(addrData, size, addr);
+
+ tInterface *iface = IPStack_AddInterface(dev, "");
+ iface->Type = iType;
+ memcpy(iface->Address, addrData, size);
+ iface->SubnetBits = iBits;
+
+ // Route for addrData/iBits, no next hop, default metric
+ IPStack_AddRoute(iface->Name, iface->Address, iBits, NULL, 0);
+ }
+
+ continue;
+ }
- // I could also define routes using <Interface>,<HexStreamNetwork>,<Bits>,<HexStreamGateway>
- // Example: 1,00000000,0,0A000201
+ // I could also define routes using <Interface>:<HexStreamNetwork>:<Bits>[:<HexStreamGateway>]
+ // Example: 1:00000000:0:0A000201
+ if( '0' <= Arguments[i][0] && Arguments[i][0] <= '9' )
+ {
+ // Define Interface
+ char *ifaceName, *network, *bits, *gateway;
+
+ // Read definition
+ ifaceName = Arguments[i];
+
+ network = strchr(ifaceName, ':');
+ if( !network ) {
+ Log_Warning("IPStack", "<iface>:<HexStreamNetwork>:<Bits>:<HexStreamGateway>");
+ continue;
+ }
+ *network = '\0'; network ++;
+
+ bits = strchr(network, ':');
+ if( !bits ) {
+ Log_Warning("IPStack", "<Device>:<Type>:<HexStreamAddress>:<Bits>");
+ continue;
+ }
+ *bits = '\0'; bits ++;
+
+ gateway = strchr(bits, ':');
+ if( gateway ) {
+ *gateway = '\0'; gateway ++;
+ }
+
+ // Define route
+ {
+ tVFS_Node *node = IPStack_Root_FindDir(NULL, ifaceName);
+ if( !node ) {
+ Log_Warning("IPStack", "Unknown interface '%s' in arg %i", ifaceName, i);
+ continue ;
+ }
+ tInterface *iface = node->ImplPtr;
+
+ int size = IPStack_GetAddressSize(iface->Type);
+ Uint8 netData[size];
+ Uint8 gwData[size];
+ int iBits = atoi(bits);
+
+ UnHex(netData, size, network);
+ if( gateway )
+ UnHex(gwData, size, gateway);
+ else
+ memset(gwData, 0, size);
+
+ IPStack_AddRoute(ifaceName, netData, iBits, gwData, 30);
+ }
+
+ continue;
+ }
}
}
if( CheckBits < 0 ) CheckBits = 0;
if( CheckBits > size*8 ) CheckBits = size*8;
- if( CheckBits == 0 ) return 1; // /0 matches anythin
+ if( CheckBits == 0 ) return 1; // /0 matches anythin0
// Check first bits/8 bytes
if( memcmp(Address1, Address2, CheckBits/8) != 0 ) return 0;