X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FLibraries%2Flibnet.so_src%2Fmain.c;h=2b3ff76c8bfd95bf46fc092df4a5566b964618dd;hb=545c440973f9676efe7cb01edf9ec47b61023513;hp=526e296db0dd87246e086b0d57c7cf9183291fd1;hpb=8025b7daeb599847864cc3d8e3c2a41e63e3789d;p=tpg%2Facess2.git

diff --git a/Usermode/Libraries/libnet.so_src/main.c b/Usermode/Libraries/libnet.so_src/main.c
index 526e296d..2b3ff76c 100644
--- a/Usermode/Libraries/libnet.so_src/main.c
+++ b/Usermode/Libraries/libnet.so_src/main.c
@@ -6,9 +6,92 @@
  * - Library main (and misc functions)
  */
 #include <net.h>
+#include <acess/sys.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
 
 // === CODE ===
 int SoMain(void)
 {
 	return 0;
 }
+
+int Net_GetAddressSize(int AddressType)
+{
+	switch(AddressType)
+	{
+	case 4:	return 4;	// IPv4
+	case 6:	return 16;	// IPv6
+	default:
+		return 0;
+	}
+}
+
+//TODO: Move out to another file
+char *Net_GetInterface(int AddressType, void *Address)
+{
+	 int	size, routeNum;
+	 int	fd;
+	size = Net_GetAddressSize(AddressType);
+	
+	if( size == 0 ) {
+		fprintf(stderr, "BUG: AddressType = %i unknown\n", AddressType);
+		return NULL;
+	}
+	
+	// Query the route manager for the route number
+	{
+		char	buf[sizeof(int)+size];
+		uint32_t	*type = (void*)buf;
+		
+		// Open
+		fd = _SysOpen("/Devices/ip/routes", 0);
+		if( !fd ) {
+			fprintf(stderr, "ERROR: Unable to open '/Devices/ip/routes'\n");
+			return NULL;
+		}
+		
+		// Make structure and ask
+		*type = AddressType;
+		memcpy(type+1, Address, size);
+		routeNum = _SysIOCtl(fd, _SysIOCtl(fd, 3, "locate_route"), buf);
+		
+		// Close
+		_SysClose(fd);
+	}
+	
+	// Check answer validity
+	if( routeNum > 0 ) {
+		 int	len = sprintf(NULL, "/Devices/ip/routes/#%i", routeNum);
+		char	buf[len+1];
+		char	*ret;
+		
+		sprintf(buf, "/Devices/ip/routes/#%i", routeNum);
+		
+		// Open route
+		fd = _SysOpen(buf, 0);
+		if( fd == -1 ) {
+			fprintf(stderr, "Net_GetInterface - ERROR: Unable to open %s\n", buf);
+			return NULL;	// Shouldn't happen :/
+		}
+		
+		// Allocate space for name
+		ret = malloc( _SysIOCtl(fd, _SysIOCtl(fd, 3, "get_interface"), NULL) + 1 );
+		if( !ret ) {
+			fprintf(stderr, "malloc() failure - Allocating space for interface name\n");
+			return NULL;
+		}
+		
+		// Get name
+		_SysIOCtl(fd, _SysIOCtl(fd, 3, "get_interface"), ret);
+		
+		// Close and return
+		_SysClose(fd);
+		
+		return ret;
+	}
+	
+	return NULL;	// Error
+}