X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Tools%2FNetTest%2Ftap.c;h=1531619b92bbfe0459e4d38c6e79392eefa3f197;hb=3d67e21210fbcad7cdcbfa9c348019a191ce1798;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=c3b821ccc009ec819f2580a53c0ed423aad43bf9;p=tpg%2Facess2.git

diff --git a/Tools/NetTest/tap.c b/Tools/NetTest/tap.c
index e69de29b..1531619b 100644
--- a/Tools/NetTest/tap.c
+++ b/Tools/NetTest/tap.c
@@ -0,0 +1,92 @@
+/*
+ * Acess2 Networking Test Suite (NetTest)
+ * - By John Hodge (thePowersGang)
+ *
+ * tap.c
+ * - TAP Network driver
+ */
+#include <nettest.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+//#include <linux/if.h>
+#include <linux/if_tun.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+// === CODE ===
+void *NetTest_OpenTap(const char *Name)
+{
+	 int	rv;
+
+	struct ifreq	ifr;
+	memset(&ifr, 0, sizeof(ifr));
+	ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
+	
+	if( Name[0] != '\0' )
+	{
+		if( strlen(Name) > IFNAMSIZ )
+			return NULL;
+		strncpy(ifr.ifr_name, Name, IFNAMSIZ);
+	}
+	
+	 int	fd = open("/dev/net/tun", O_RDWR);
+	if( fd < 0 )
+	{
+		perror("NetTest_OpenTap - open");
+		return NULL;
+	}
+	
+	if( (rv = ioctl(fd, TUNSETIFF, &ifr)) )
+	{
+		perror("NetTest_OpenTap - ioctl(TUNSETIFF)");
+		fprintf(stderr, "Opening TUN/TAP device '%s'\n", Name);
+		close(fd);
+		return NULL;
+	}
+
+	return (void*)(intptr_t)fd;
+}
+
+void *NetTest_OpenUnix(const char *Path)
+{
+	int fd = socket(AF_UNIX, SOCK_DGRAM, 0);
+	struct sockaddr_un	sa = {AF_UNIX, ""};
+	struct sockaddr_un	sa_local = {AF_UNIX, ""};
+	strcpy(sa.sun_path, Path);
+	if( connect(fd, (struct sockaddr*)&sa, sizeof(sa)) ) {
+		perror("NetTest_OpenUnix - connect");
+		close(fd);
+		return NULL;
+	}
+	if( bind(fd, (struct sockaddr*)&sa_local, sizeof(sa)) ) {
+		perror("NetTest_OpenUnix - bind");
+		close(fd);
+		return NULL;
+	}
+	
+	{
+		char somenulls[] = { 0,0,0,0,0,0, 0,0,0,0,0, 0,0};
+		write(fd, somenulls, sizeof(somenulls));
+	}
+	
+	return (void*)(intptr_t)fd;
+}
+
+size_t NetTest_WritePacket(void *Handle, size_t Size, const void *Data)
+{
+	int ret = write( (intptr_t)Handle, Data, Size);
+	if( ret < 0 ) {
+		perror("NetTest_WritePacket - write");
+		return 0;
+	}
+	return ret;
+}
+
+size_t NetTest_ReadPacket(void *Handle, size_t MaxSize, void *Data)
+{
+	return read( (intptr_t)Handle, Data, MaxSize);
+}