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Set don't fragment, and use random id

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Robby Zambito
2026-01-20 21:58:43 -05:00
parent def8454012
commit 6db4204bf0
1 changed files with 5 additions and 3 deletions
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8
src/main.zig
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@@ -120,7 +120,7 @@ pub fn main(init: std.process.Init) !void {
fragment_offset: u13 = 0, fragment_offset: u13 = 0,
flags: packed struct(u3) { flags: packed struct(u3) {
reserved: u1 = 0, reserved: u1 = 0,
dont_fragment: u1 = 0, dont_fragment: u1 = 1,
more_fragments: u1 = 0, more_fragments: u1 = 0,
} = .{}, } = .{},
@@ -158,8 +158,8 @@ pub fn main(init: std.process.Init) !void {
var headers: EthIpUdp = .{ var headers: EthIpUdp = .{
.src_mac = socket.mac, .src_mac = socket.mac,
.ip = .{ .ip = .{
.id = 0, .id = rand.int(u16),
.src_addr = rand.int(u32), .src_addr = 0, //rand.int(u32),
.dst_addr = @bitCast([_]u8{ 255, 255, 255, 255 }), .dst_addr = @bitCast([_]u8{ 255, 255, 255, 255 }),
.len = undefined, .len = undefined,
}, },
@@ -231,6 +231,7 @@ pub fn main(init: std.process.Init) !void {
var res = socket.receive(&res_buf) catch continue; var res = socket.receive(&res_buf) catch continue;
headers.udp.dst_port = udp_dest_port; headers.udp.dst_port = udp_dest_port;
headers.ip.id = rand.int(u16);
full_msg = blk: { full_msg = blk: {
var msg_buf: [2048]u8 = undefined; var msg_buf: [2048]u8 = undefined;
@@ -272,6 +273,7 @@ pub fn main(init: std.process.Init) !void {
connection.connection.payload = cmd_output; connection.connection.payload = cmd_output;
connection_bytes = connection.toBytes(&connection_buf); connection_bytes = connection.toBytes(&connection_buf);
headers.setPayloadLen(connection_bytes.len); headers.setPayloadLen(connection_bytes.len);
headers.ip.id = rand.int(u16);
full_msg = blk: { full_msg = blk: {
var msg_buf: [2048]u8 = undefined; var msg_buf: [2048]u8 = undefined;