| 185 | 0);f.setUint8(6,64);f.setUint8(8,b.ipv4.ttl||32);f.setUint8(9,b.ipv4.proto);f.setUint16(10,0);Cb(12,b.ipv4.src,f,a);Cb(16,b.ipv4.dest,f,a);f.setUint16(10,Db(20,0,f,a));e+=g}return d.call(c,0,e)} |
| 186 | function Fb(a,b){fetch(`https://${b.doh_server||"cloudflare-dns.com"}/dns-query`,{method:"POST",headers:[["content-type","application/dns-message"]],body:a.udp.data}).then(async c=>{c={eth:{ethertype:2048,src:b.router_mac,dest:a.eth.src},ipv4:{proto:17,src:b.router_ip,dest:a.ipv4.src},udp:{sport:53,dport:a.udp.sport,data:new Uint8Array(await c.arrayBuffer())}};b.receive(Eb(b.eth_encoder_buf,c))});return!0} |
| 187 | function Gb(a,b){let c={};c.eth={ethertype:2048,src:b.router_mac,dest:a.eth.src};c.ipv4={proto:17,src:b.router_ip,dest:b.vm_ip};c.udp={sport:67,dport:68};c.dhcp={htype:1,hlen:6,hops:0,xid:a.dhcp.xid,secs:0,flags:0,ciaddr:0,yiaddr:zb(b.vm_ip),siaddr:zb(b.router_ip),giaddr:zb(b.router_ip),chaddr:a.dhcp.chaddr};let d=[],e=a.dhcp.options.find(function(f){return 53===f[0]});e&&3===e[2]&&(a.dhcp.op=3);1===a.dhcp.op&&(c.dhcp.op=2,d.push(new Uint8Array([53,1,2])));3===a.dhcp.op&&(c.dhcp.op=2,d.push(new Uint8Array([53, |
| 188 | 1,5])),d.push(new Uint8Array([51,4,8,0,0,0])));a=[b.router_ip[0],b.router_ip[1],b.router_ip[2],b.router_ip[3]];d.push(new Uint8Array([1,4,255,255,255,0]));b.masquerade&&(d.push(new Uint8Array([3,4].concat(a))),d.push(new Uint8Array([6,4].concat(a))));d.push(new Uint8Array([54,4].concat(a)));d.push(new Uint8Array([60,3].concat(xb)));d.push(new Uint8Array([255,0]));c.dhcp.options=d;b.receive(Eb(b.eth_encoder_buf,c))} |
| 189 | function Hb(a,b){let c={};var d=(new DataView(a.buffer,a.byteOffset,a.byteLength)).getUint16(12),e={ethertype:d,dest:a.subarray(0,6),dest_s:yb(a.subarray(0,6)),src:a.subarray(6,12),src_s:yb(a.subarray(6,12))};c.eth=e;a=a.subarray(14,a.length);if(2048===d){var f=new DataView(a.buffer,a.byteOffset,a.byteLength),g=a[0]>>4&15;e=a[0]&15;var h=f.getUint8(1),l=f.getUint16(2);let m=f.getUint8(8);d=f.getUint8(9);f=f.getUint16(10);g={version:g,ihl:e,tos:h,len:l,ttl:m,proto:d,ip_checksum:f,src:a.subarray(12, |
| 190 | 16),dest:a.subarray(16,20)};c.ipv4=g;e=a.subarray(4*e,l);if(1===d)a=new DataView(e.buffer,e.byteOffset,e.byteLength),a={type:a.getUint8(0),code:a.getUint8(1),checksum:a.getUint16(2),data:e.subarray(4)},c.icmp=a;else if(6===d)d=new DataView(e.buffer,e.byteOffset,e.byteLength),a={sport:d.getUint16(0),dport:d.getUint16(2),seq:d.getUint32(4),ackn:d.getUint32(8),doff:d.getUint8(12)>>4,winsize:d.getUint16(14),checksum:d.getUint16(16),urgent:d.getUint16(18)},d=d.getUint8(13),a.fin=!!(d&1),a.syn=!!(d&2), |
| 191 | a.rst=!!(d&4),a.psh=!!(d&8),a.ack=!!(d&16),a.urg=!!(d&32),a.ece=!!(d&64),a.cwr=!!(d&128),c.tcp=a,c.tcp_data=e.subarray(4*a.doff);else if(17===d){a=new DataView(e.buffer,e.byteOffset,e.byteLength);a={sport:a.getUint16(0),dport:a.getUint16(2),len:a.getUint16(4),checksum:a.getUint16(6),data:e.subarray(8),data_s:(new TextDecoder).decode(e.subarray(8))};if(67===a.dport||67===a.sport){e=e.subarray(8);d=new DataView(e.buffer,e.byteOffset,e.byteLength);e.subarray(44,236);d={op:d.getUint8(0),htype:d.getUint8(1), |