From eddc5abafa4d5a119cba210f7362c6a067abc146 Mon Sep 17 00:00:00 2001
From: takt <oliver.peter.herms@gmail.com>
Date: Thu, 28 Jul 2022 11:40:25 +0200
Subject: [PATCH] Remove stale syscallwrappers package (#337)

---
 syscallwrappers/syscalls_linux.go | 76 -------------------------------
 1 file changed, 76 deletions(-)
 delete mode 100644 syscallwrappers/syscalls_linux.go

diff --git a/syscallwrappers/syscalls_linux.go b/syscallwrappers/syscalls_linux.go
deleted file mode 100644
index 3b6948e0..00000000
--- a/syscallwrappers/syscalls_linux.go
+++ /dev/null
@@ -1,76 +0,0 @@
-package syscallwrappers
-
-/*
-#cgo CFLAGS: -I/usr/include
-#cgo LDFLAGS: -L/usr/lib
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <linux/if_packet.h>
-#include <linux/filter.h>
-#include <net/ethernet.h>
-#include <string.h>
-#include <arpa/inet.h>
-int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen);
-uint8_t ALL_L1_ISS[6] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x14};
-uint8_t ALL_L2_ISS[6] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x15};
-uint8_t ALL_P2P_ISS[6] = {0x09, 0x00, 0x2b, 0x00, 0x00, 0x5b};
-uint8_t ALL_ISS[6] = {0x09, 0x00, 0x2B, 0x00, 0x00, 0x05};
-uint8_t ALL_ESS[6] = {0x09, 0x00, 0x2B, 0x00, 0x00, 0x04};
-static struct sock_filter isisfilter[] = {
-	//{ 0x28, 0, 0, 0x0000000c }, { 0x25, 5, 0, 0x000005dc },
-	{ 0x28, 0, 0, 0x0000000e - 14 }, { 0x15, 0, 3, 0x0000fefe },
-	{ 0x30, 0, 0, 0x00000011 - 14 }, { 0x15, 0, 1, 0x00000083 },
-	{ 0x6, 0, 0, 0x00040000 }, { 0x6, 0, 0, 0x00000000 },
-};
-static struct sock_fprog bpf = {
-	.len = 6,
-	.filter = isisfilter,
-};
-int reg_bpf(int fd) {
-	return setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &bpf, sizeof(bpf));
-}
-int bind_to_interface(int fd, int ifindex) {
-	struct sockaddr_ll s_addr;
-	memset(&s_addr, 0, sizeof(struct sockaddr_ll));
-	s_addr.sll_family = AF_PACKET;
-	s_addr.sll_protocol = htons(ETH_P_ALL);
-	s_addr.sll_ifindex = ifindex;
-	return bind(fd, (struct sockaddr *)(&s_addr), sizeof(struct sockaddr_ll));
-}
-int isis_multicast_join(int fd, int registerto, int ifindex)
-{
-	struct packet_mreq mreq;
-	memset(&mreq, 0, sizeof(mreq));
-	mreq.mr_ifindex = ifindex;
-	if (registerto) {
-		mreq.mr_type = PACKET_MR_MULTICAST;
-		mreq.mr_alen = ETH_ALEN;
-		if (registerto == 1)
-			memcpy(&mreq.mr_address, ALL_L1_ISS, ETH_ALEN);
-		else if (registerto == 2)
-			memcpy(&mreq.mr_address, ALL_L2_ISS, ETH_ALEN);
-		else if (registerto == 3)
-			memcpy(&mreq.mr_address, ALL_ISS, ETH_ALEN);
-		else if (registerto == 4)
-			memcpy(&mreq.mr_address, ALL_P2P_ISS, ETH_ALEN);
-		else
-			memcpy(&mreq.mr_address, ALL_ESS, ETH_ALEN);
-	} else {
-		mreq.mr_type = PACKET_MR_ALLMULTI;
-	}
-	return setsockopt(fd, SOL_PACKET, PACKET_ADD_MEMBERSHIP, &mreq, sizeof(struct packet_mreq));
-}
-*/
-import "C"
-
-func SetBPFFilter(sockfd int) int {
-	return int(C.reg_bpf(C.int(sockfd)))
-}
-
-func JoinISISMcast(sockfd int, ifIndex int) int {
-	return int(C.isis_multicast_join(C.int(sockfd), 4, C.int(ifIndex)))
-}
-
-func BindToInterface(sockfd int, ifIndex int) int {
-	return int(C.bind_to_interface(C.int(sockfd), C.int(ifIndex)))
-}