SagerNet/sing-tun
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-tun.git synced 2025-04-03 03:47:39 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix gateway & FIx prefix check

Browse source
This commit is contained in:
世界 2024-10-26 14:54:08 +08:00
parent 07278fb470
commit 10f73346a0
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
8 changed files with 111 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

60
redirect_iptables.go
View file

@ -142,41 +142,47 @@ func (r *autoRedirect) setupIPTablesForFamily(iptablesPath string) error {
})
if !dnsServer.IsValid() {
if iptablesPath == r.iptablesPath {
dnsServer = r.tunOptions.Inet4Address[0].Addr().Next()
if HasNextAddress(r.tunOptions.Inet4Address[0], 1) {
dnsServer = r.tunOptions.Inet4Address[0].Addr().Next()
}
} else {
dnsServer = r.tunOptions.Inet6Address[0].Addr().Next()
if HasNextAddress(r.tunOptions.Inet6Address[0], 1) {
dnsServer = r.tunOptions.Inet6Address[0].Addr().Next()
}
}
}
if len(routeAddress) > 0 {
for _, address := range routeAddress {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-d", address.String(), "-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
} else if len(r.tunOptions.IncludeInterface) > 0 || len(r.tunOptions.IncludeUID) > 0 {
for _, name := range r.tunOptions.IncludeInterface {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-i", name, "-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
for _, uidRange := range r.tunOptions.IncludeUID {
for uid := uidRange.Start; uid <= uidRange.End; uid++ {
if dnsServer.IsValid() {
if len(routeAddress) > 0 {
for _, address := range routeAddress {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-m owner --uid-owner", uid, "-p udp --dport 53 -j DNAT --to", dnsServer)
"-d", address.String(), "-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
}
} else {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
} else if len(r.tunOptions.IncludeInterface) > 0 || len(r.tunOptions.IncludeUID) > 0 {
for _, name := range r.tunOptions.IncludeInterface {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-i", name, "-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
for _, uidRange := range r.tunOptions.IncludeUID {
for uid := uidRange.Start; uid <= uidRange.End; uid++ {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-m owner --uid-owner", uid, "-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
}
} else {
err = r.runShell(iptablesPath, "-t nat -A", tableNamePreRouteing,
"-p udp --dport 53 -j DNAT --to", dnsServer)
if err != nil {
return err
}
}
}
}