284 lines
12 KiB
Ucode
284 lines
12 KiB
Ucode
#!/usr/bin/env ucode
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// Tachyon Clean Uninstaller Module
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// Fully restores dnsmasq / dhcp, flushes nftables & policy routing,
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// removes Tachyon packages & crontab hooks, restores Forkop/Podkop if present,
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// and safely uninstalls Tachyon without leaving lingering state on OpenWrt.
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let fs = require("fs");
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let common = require("core.common");
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let as_string = common.as_string;
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function run_cmd(args) {
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let parts = [];
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for (let arg in args)
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push(parts, "'" + replace(as_string(arg), /'/g, "'\\''") + "'");
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return system(join(" ", parts) + " >/dev/null 2>&1");
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}
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function run_shell(cmd) {
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return system(cmd + " >/dev/null 2>&1");
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}
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function log_step(msg) {
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print("[Tachyon Uninstall] ", msg, "\n");
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}
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function remove_file(path) {
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if (fs.stat(path) != null)
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fs.unlink(path);
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}
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function remove_tree(path) {
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if (fs.stat(path) != null)
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run_shell("rm -rf '" + replace(as_string(path), /'/g, "'\\''") + "'");
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}
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function clean_managed_sing_box(keep_binaries) {
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if (fs.stat("/etc/init.d/sing-box") != null) {
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let content = fs.readfile("/etc/init.d/sing-box");
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if (content && index(content, "Tachyon managed sing-box") >= 0) {
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run_cmd(["/etc/init.d/sing-box", "stop"]);
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run_cmd(["/etc/init.d/sing-box", "disable"]);
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remove_file("/etc/init.d/sing-box");
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run_shell("rm -f /etc/rc.d/*sing-box* 2>/dev/null || true");
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}
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}
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if (!keep_binaries) {
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if (fs.stat("/bin/opkg") != null || fs.stat("/usr/bin/opkg") != null) {
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for (let pkg in [ "sing-box-extended", "sing-box-tiny" ]) {
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let check = system("opkg list-installed '" + pkg + "' 2>/dev/null | grep -q '^" + pkg + " '");
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if (check == 0)
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run_cmd(["opkg", "remove", "--force-depends", "--force-remove", pkg]);
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}
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if (fs.stat("/etc/init.d/sing-box") == null) {
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let check_sb = system("opkg list-installed 'sing-box' 2>/dev/null | grep -q '^sing-box '");
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if (check_sb == 0)
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run_cmd(["opkg", "remove", "--force-depends", "--force-remove", "sing-box"]);
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remove_file("/usr/bin/sing-box");
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}
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}
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remove_file("/usr/lib/libcronet.so");
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}
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}
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function clean_rt_tables() {
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let rt_path = "/etc/iproute2/rt_tables";
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if (fs.stat(rt_path) == null)
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return;
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let content = fs.readfile(rt_path);
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if (!content || index(content, "tachyon") < 0)
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return;
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let lines = split(content, "\n");
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let clean = [];
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for (let line in lines) {
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if (match(line, /105\s+tachyon/) || match(line, /^\s*\d+\s+tachyon\s*$/))
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continue;
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push(clean, line);
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}
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fs.writefile(rt_path, join("\n", clean) + "\n");
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}
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function clean_crontab() {
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run_shell("crontab -l 2>/dev/null | grep -v -E 'tachyon|parental_quota_tick' | crontab - 2>/dev/null || true");
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}
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function restore_dhcp_dns() {
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let uci_core = null;
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try {
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uci_core = require("core.uci");
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} catch (e) {}
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if (uci_core != null) {
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try {
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// Remove 127.0.0.42 from server list
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let servers = uci_core.get("dhcp", "@dnsmasq[0]", "server");
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if (servers != null) {
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let s_list = type(servers) == "array" ? servers : [ servers ];
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let clean_servers = [];
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for (let s in s_list) {
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s = as_string(s);
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if (s != "127.0.0.42" && substr(s, 0, 13) != "127.0.0.42#")
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push(clean_servers, s);
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}
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uci_core.delete("dhcp", "@dnsmasq[0]", "server");
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for (let s in clean_servers)
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uci_core.add_list("dhcp", "@dnsmasq[0]", "server", s);
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}
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// Restore original server backup if saved
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let backup_servers = uci_core.get("dhcp", "@dnsmasq[0]", "tachyon_server");
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if (backup_servers != null && backup_servers != "") {
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uci_core.delete("dhcp", "@dnsmasq[0]", "server");
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let list = type(backup_servers) == "array" ? backup_servers : split(trim(backup_servers), /[ \t\r\n]+/);
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for (let s in list)
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if (s != "")
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uci_core.add_list("dhcp", "@dnsmasq[0]", "server", s);
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uci_core.delete("dhcp", "@dnsmasq[0]", "tachyon_server");
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}
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// Restore backed up options
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for (let opt in [ "noresolv", "cachesize", "rebind_protection", "localuse", "addn_hosts", "notinterface" ]) {
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let val = uci_core.get("dhcp", "@dnsmasq[0]", "tachyon_" + opt);
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if (val != null && val != "") {
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uci_core.set("dhcp", "@dnsmasq[0]", opt, val);
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uci_core.delete("dhcp", "@dnsmasq[0]", "tachyon_" + opt);
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}
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}
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// Failsafe sensible defaults
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if (uci_core.get("dhcp", "@dnsmasq[0]", "noresolv") == "1")
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uci_core.set("dhcp", "@dnsmasq[0]", "noresolv", "0");
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if (uci_core.get("dhcp", "@dnsmasq[0]", "cachesize") == "0")
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uci_core.set("dhcp", "@dnsmasq[0]", "cachesize", "150");
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uci_core.delete("dhcp", "tachyon");
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uci_core.commit("dhcp");
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} catch (e) {}
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} else {
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run_shell("uci -q del_list dhcp.@dnsmasq[0].server='127.0.0.42' 2>/dev/null || true");
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run_shell("uci -q set dhcp.@dnsmasq[0].noresolv='0' 2>/dev/null || true");
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run_shell("uci -q set dhcp.@dnsmasq[0].cachesize='150' 2>/dev/null || true");
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run_shell("uci -q delete dhcp.tachyon 2>/dev/null || true");
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run_shell("uci -q commit dhcp 2>/dev/null || true");
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}
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remove_file("/etc/dnsmasq.d/tachyon.conf");
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remove_file("/tmp/dnsmasq.d/tachyon.conf");
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run_shell("rm -f /etc/dnsmasq.d/tachyon*.conf /tmp/dnsmasq.d/tachyon*.conf 2>/dev/null || true");
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if (fs.stat("/etc/init.d/dnsmasq") != null)
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run_cmd(["/etc/init.d/dnsmasq", "restart"]);
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}
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function clean_firewall_and_routing() {
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run_cmd(["nft", "delete", "table", "inet", "TachyonTable"]);
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run_cmd(["nft", "delete", "table", "inet", "tachyon"]);
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run_cmd(["nft", "delete", "table", "ip", "tachyon"]);
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run_cmd(["nft", "delete", "table", "ip6", "tachyon"]);
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remove_file("/usr/share/nftables.d/chain-pre/input/10-tachyon.nft");
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// Restart firewall to purge in-memory dynamic rules from inet fw4
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if (fs.stat("/etc/init.d/firewall") != null)
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run_cmd(["/etc/init.d/firewall", "restart"]);
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run_cmd(["ip", "-4", "rule", "del", "fwmark", "0x04000000/0x04000000", "table", "tachyon", "priority", "105"]);
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run_cmd(["ip", "-6", "rule", "del", "fwmark", "0x04000000/0x04000000", "table", "tachyon", "priority", "105"]);
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run_cmd(["ip", "-4", "rule", "del", "fwmark", "0x10000000/0x10000000", "lookup", "100"]);
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run_cmd(["ip", "-4", "rule", "del", "fwmark", "0x1/0x1", "lookup", "100"]);
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run_cmd(["ip", "-4", "rule", "del", "fwmark", "0x2/0x2", "lookup", "100"]);
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run_cmd(["ip", "route", "flush", "table", "tachyon"]);
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run_cmd(["ip", "route", "flush", "table", "105"]);
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run_cmd(["ip", "route", "flush", "table", "100"]);
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clean_rt_tables();
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// Clean network namespaces
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run_cmd(["ip", "netns", "del", "fkpsc"]);
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run_cmd(["ip", "link", "del", "fkpsc0"]);
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remove_tree("/etc/netns/fkpsc");
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}
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function uninstall_tachyon(purge_config, keep_binaries) {
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log_step("Stopping and disabling Tachyon service...");
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remove_file("/var/run/tachyon/starting");
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remove_file("/var/run/tachyon/reloading");
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run_shell("rm -f /var/run/tachyon*.lock 2>/dev/null || true");
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if (fs.stat("/etc/init.d/tachyon") != null) {
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run_cmd(["/etc/init.d/tachyon", "stop"]);
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run_cmd(["/etc/init.d/tachyon", "disable"]);
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}
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clean_managed_sing_box(keep_binaries);
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// Stop proxy and desync processes
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run_shell("killall sing-box nfqws nfqws2 ciadpi 2>/dev/null || true");
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// Stop background daemons safely (excluding self PID)
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run_shell("ps 2>/dev/null | grep -E 'dns_failover|watchdog|telegram' | grep -v grep | awk '{print $1}' | while read _pid; do [ \"$_pid\" != \"$$\" ] && kill -9 \"$_pid\" 2>/dev/null; done; true");
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log_step("Cleaning up firewall, nftables and routing rules...");
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clean_firewall_and_routing();
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log_step("Restoring DNS and dnsmasq configuration...");
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restore_dhcp_dns();
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log_step("Cleaning crontab jobs...");
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clean_crontab();
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log_step("Cleaning auxiliary files and hooks...");
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remove_file("/etc/hotplug.d/iface/99-tachyon-wan-monitor");
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remove_file("/www/cgi-bin/tachyon-agent");
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remove_file("/usr/lib/cgi-bin/tachyon-agent");
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remove_file("/usr/bin/tachyon");
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remove_file("/etc/init.d/tachyon");
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remove_file("/etc/tachyon_commit");
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remove_file("/etc/uci-defaults/50_luci-tachyon");
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remove_tree("/var/run/tachyon");
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run_shell("rm -rf /var/run/tachyon* /var/log/tachyon* /tmp/tachyon* /tmp/sing-box /tmp/ai_doctor* /tmp/tg_* /tmp/warp_* 2>/dev/null || true");
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if (purge_config) {
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log_step("Purging Tachyon configuration and state (--purge)...");
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run_shell("rm -rf /etc/config/tachyon* /etc/tachyon /etc/.tachyon /etc/backup/tachyon_config /etc/sing-box 2>/dev/null || true");
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} else {
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log_step("Backing up Tachyon configuration...");
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let ts = clock()[0];
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run_shell("cp -af /etc/config/tachyon /etc/config/tachyon.backup-" + ts + " 2>/dev/null || true");
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run_shell("cp -af /etc/config/tachyon /etc/config/tachyon.bak 2>/dev/null || true");
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run_shell("chmod 600 /etc/config/tachyon.backup-* /etc/config/tachyon.bak 2>/dev/null || true");
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}
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log_step("Removing Tachyon packages...");
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if (fs.stat("/bin/opkg") != null || fs.stat("/usr/bin/opkg") != null) {
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run_cmd(["opkg", "remove", "--force-depends", "--force-remove", "luci-i18n-tachyon-ru", "luci-app-tachyon", "tachyon"]);
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} else if (fs.stat("/sbin/apk") != null || fs.stat("/usr/sbin/apk") != null) {
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run_cmd(["apk", "del", "luci-i18n-tachyon-ru", "luci-app-tachyon", "tachyon"]);
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}
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// Clean translations and LuCI views
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run_shell("rm -rf /usr/lib/tachyon /usr/share/tachyon /www/luci-static/resources/view/tachyon /usr/share/luci/menu.d/luci-app-tachyon.json /usr/share/rpcd/acl.d/luci-app-tachyon.json /usr/lib/lua/luci/i18n/tachyon.* 2>/dev/null || true");
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// Clear LuCI cache and restart rpcd/uhttpd
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run_shell("rm -f /var/luci-indexcache* /tmp/luci-indexcache* /tmp/luci-modulecache/* 2>/dev/null || true");
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if (fs.stat("/etc/config/ucitrack") != null) {
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run_shell("uci -q delete ucitrack.@tachyon[0] >/dev/null 2>&1; uci -q commit ucitrack >/dev/null 2>&1 || true");
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}
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if (fs.stat("/etc/init.d/rpcd") != null)
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run_cmd(["/etc/init.d/rpcd", "restart"]);
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if (fs.stat("/etc/init.d/uhttpd") != null)
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run_cmd(["/etc/init.d/uhttpd", "restart"]);
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// Restore parent Forkop / Podkop / NetShift services if present
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if (fs.stat("/etc/init.d/forkop") != null) {
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log_step("Forkop detected! Restoring Forkop service...");
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run_cmd(["/etc/init.d/forkop", "enable"]);
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run_cmd(["/etc/init.d/forkop", "restart"]);
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} else if (fs.stat("/etc/init.d/podkop") != null) {
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log_step("Podkop detected! Restoring Podkop service...");
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run_cmd(["/etc/init.d/podkop", "enable"]);
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run_cmd(["/etc/init.d/podkop", "restart"]);
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} else if (fs.stat("/etc/init.d/netshift") != null) {
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log_step("NetShift detected! Restoring NetShift service...");
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run_cmd(["/etc/init.d/netshift", "enable"]);
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run_cmd(["/etc/init.d/netshift", "restart"]);
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}
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log_step("Tachyon has been successfully uninstalled.");
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return 0;
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}
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let purge = false;
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let keep_bin = false;
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for (let i = 0; i < length(ARGV); i++) {
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let arg = as_string(ARGV[i]);
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if (arg == "--purge" || arg == "-p")
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purge = true;
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if (arg == "--keep-binaries")
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keep_bin = true;
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}
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exit(uninstall_tachyon(purge, keep_bin));
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