From 2922421f4a88e56a0a1c819f62bf2bc287835388 Mon Sep 17 00:00:00 2001
From: Vanessa Ezekowitz <vanessaezekowitz@gmail.com>
Date: Thu, 1 Dec 2016 04:22:40 -0500
Subject: Update several mods:

biome_lib, boost_cart, building_blocks, castle, homedecor, glooptest,
currency, roads, invsaw, maptools, mesecons, moreblocks, nixie_tubes,
pipeworks, signs_lib, technic, unified_inventory, unifiedbricks, worldedit,
xban2
---
 xban2/gui.lua  |  6 ++++++
 xban2/init.lua | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 xban2/mod.conf |  1 +
 3 files changed, 67 insertions(+), 4 deletions(-)
 create mode 100644 xban2/mod.conf

(limited to 'xban2')

diff --git a/xban2/gui.lua b/xban2/gui.lua
index fb0c1df..d3306e2 100644
--- a/xban2/gui.lua
+++ b/xban2/gui.lua
@@ -100,6 +100,11 @@ end
 minetest.register_on_player_receive_fields(function(player, formname, fields)
 	if formname ~= FORMNAME then return end
 	local name = player:get_player_name()
+	if not minetest.check_player_privs(name, { ban=true }) then
+		minetest.log("warning",
+				"[xban2] Received fields from unauthorized user: "..name)
+		return
+	end
 	local state = get_state(name)
 	if fields.player then
 		local t = minetest.explode_textlist_event(fields.player)
@@ -128,6 +133,7 @@ end)
 minetest.register_chatcommand("xban_gui", {
 	description = "Show XBan GUI",
 	params = "",
+	privs = { ban=true, },
 	func = function(name, params)
 		minetest.show_formspec(name, FORMNAME, make_fs(name))
 	end,
diff --git a/xban2/init.lua b/xban2/init.lua
index 81818a8..d8b20e7 100644
--- a/xban2/init.lua
+++ b/xban2/init.lua
@@ -72,7 +72,13 @@ function xban.get_info(player) --> ip_name_list, banned, last_record
 end
 
 function xban.ban_player(player, source, expires, reason) --> bool, err
+	if xban.get_whitelist(player) then
+		return nil, "Player is whitelisted; remove from whitelist first"
+	end
 	local e = xban.find_entry(player, true)
+	if e.banned then
+		return nil, "Already banned"
+	end
 	local rec = {
 		source = source,
 		time = os.time(),
@@ -131,6 +137,28 @@ function xban.unban_player(player, source) --> bool, err
 	return true
 end
 
+function xban.get_whitelist(name_or_ip)
+	return db.whitelist and db.whitelist[name_or_ip]
+end
+
+function xban.remove_whitelist(name_or_ip)
+	if db.whitelist then
+		db.whitelist[name_or_ip] = nil
+	end
+end
+
+function xban.add_whitelist(name_or_ip, source)
+	local wl = db.whitelist
+	if not wl then
+		wl = { }
+		db.whitelist = wl
+	end
+	wl[name_or_ip] = {
+		source=source,
+	}
+	return true
+end
+
 function xban.get_record(player)
 	local e = xban.find_entry(player)
 	if not e then
@@ -158,6 +186,8 @@ function xban.get_record(player)
 end
 
 minetest.register_on_prejoinplayer(function(name, ip)
+	local wl = db.whitelist or { }
+	if wl[name] or wl[ip] then return end
 	local e = xban.find_entry(name) or xban.find_entry(ip)
 	if not e then return end
 	if e.banned then
@@ -195,8 +225,8 @@ minetest.register_chatcommand("xban", {
 		if not (plname and reason) then
 			return false, "Usage: /xban <player> <reason>"
 		end
-		xban.ban_player(plname, name, nil, reason)
-		return true, ("Banned %s."):format(plname)
+		local ok, e = xban.ban_player(plname, name, nil, reason)
+		return ok, ok and ("Banned %s."):format(plname) or e
 	end,
 })
 
@@ -214,8 +244,9 @@ minetest.register_chatcommand("xtempban", {
 			return false, "You must ban for at least 60 seconds."
 		end
 		local expires = os.time() + time
-		xban.ban_player(plname, name, expires, reason)
-		return true, ("Banned %s until %s."):format(plname, os.date("%c", expires))
+		local ok, e = xban.ban_player(plname, name, expires, reason)
+		return ok, (ok and ("Banned %s until %s."):format(
+				plname, os.date("%c", expires)) or e)
 	end,
 })
 
@@ -260,6 +291,31 @@ minetest.register_chatcommand("xban_record", {
 	end,
 })
 
+minetest.register_chatcommand("xban_wl", {
+	description = "Manages the whitelist",
+	params = "(add|del|get) <name_or_ip>",
+	privs = { ban=true },
+	func = function(name, params)
+		local cmd, plname = params:match("%s*(%S+)%s*(%S+)")
+		if cmd == "add" then
+			xban.add_whitelist(plname, name)
+			ACTION("%s adds %s to whitelist", source, plname)
+			return true, "Added to whitelist: "..plname
+		elseif cmd == "del" then
+			xban.remove_whitelist(plname)
+			ACTION("%s removes %s to whitelist", source, plname)
+			return true, "Removed from whitelist: "..plname
+		elseif cmd == "get" then
+			local e = xban.get_whitelist(plname)
+			if e then
+				return true, "Source: "..(e.source or "Unknown")
+			else
+				return true, "No whitelist for: "..plname
+			end
+		end
+	end,
+})
+
 local function check_temp_bans()
 	minetest.after(60, check_temp_bans)
 	local to_rm = { }
diff --git a/xban2/mod.conf b/xban2/mod.conf
new file mode 100644
index 0000000..b046e3c
--- /dev/null
+++ b/xban2/mod.conf
@@ -0,0 +1 @@
+name = xban2
-- 
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