kaffa/XDP-Firewall
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Update install script.

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This commit is contained in:
Christian Deacon
2025-02-26 17:10:04 -05:00
parent 09e3665472
commit 2b79964407
3 changed files with 40 additions and 18 deletions
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16
src/xdp/prog.c
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@@ -55,7 +55,7 @@ int xdp_prog_main(struct xdp_md *ctx)
// Set IPv4 and IPv6 common variables.
if (eth->h_proto == htons(ETH_P_IPV6))
{
iph6 = (data + sizeof(struct ethhdr));
iph6 = data + sizeof(struct ethhdr);
if (unlikely(iph6 + 1 > (struct ipv6hdr *)data_end))
{
@@ -66,7 +66,7 @@ int xdp_prog_main(struct xdp_md *ctx)
}
else
{
iph = (data + sizeof(struct ethhdr));
iph = data + sizeof(struct ethhdr);
if (unlikely(iph + 1 > (struct iphdr *)data_end))
{
@@ -152,7 +152,7 @@ int xdp_prog_main(struct xdp_md *ctx)
{
case IPPROTO_TCP:
// Scan TCP header.
tcph = (data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr));
tcph = data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
// Check TCP header.
if (unlikely(tcph + 1 > (struct tcphdr *)data_end))
@@ -170,7 +170,7 @@ int xdp_prog_main(struct xdp_md *ctx)
case IPPROTO_UDP:
// Scan UDP header.
udph = (data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr));
udph = data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
// Check TCP header.
if (unlikely(udph + 1 > (struct udphdr *)data_end))
@@ -188,7 +188,7 @@ int xdp_prog_main(struct xdp_md *ctx)
case IPPROTO_ICMPV6:
// Scan ICMPv6 header.
icmp6h = (data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr));
icmp6h = data + sizeof(struct ethhdr) + sizeof(struct ipv6hdr);
// Check ICMPv6 header.
if (unlikely(icmp6h + 1 > (struct icmp6hdr *)data_end))
@@ -207,7 +207,7 @@ int xdp_prog_main(struct xdp_md *ctx)
{
case IPPROTO_TCP:
// Scan TCP header.
tcph = (data + sizeof(struct ethhdr) + (iph->ihl * 4));
tcph = data + sizeof(struct ethhdr) + (iph->ihl * 4);
// Check TCP header.
if (unlikely(tcph + 1 > (struct tcphdr *)data_end))
@@ -225,7 +225,7 @@ int xdp_prog_main(struct xdp_md *ctx)
case IPPROTO_UDP:
// Scan UDP header.
udph = (data + sizeof(struct ethhdr) + (iph->ihl * 4));
udph = data + sizeof(struct ethhdr) + (iph->ihl * 4);
// Check TCP header.
if (unlikely(udph + 1 > (struct udphdr *)data_end))
@@ -243,7 +243,7 @@ int xdp_prog_main(struct xdp_md *ctx)
case IPPROTO_ICMP:
// Scan ICMP header.
icmph = (data + sizeof(struct ethhdr) + (iph->ihl * 4));
icmph = data + sizeof(struct ethhdr) + (iph->ihl * 4);
// Check ICMP header.
if (unlikely(icmph + 1 > (struct icmphdr *)data_end))