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authorest31 <MTest31@outlook.com>2016-03-14 10:18:29 +0100
committerest31 <MTest31@outlook.com>2016-03-15 17:20:09 +0100
commitaf30183124d40a969040d7de4b3a487feec466e4 (patch)
tree12cc4bdc529545014f8c8c9d0c3ed9d640c9ce2a /builtin
parent2607b97b4f2b41767d7a010e9376d3e7f578cb71 (diff)
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Add option to not send pre v25 init packet
The legacy init packet (pre v25) sends information about the client's password that a server could use to log in to other servers if the username and password are the same. All the other benefits of SRP of protocol v25 are missed if the legacy init packet is still sent during connection creation. This patch adds an option to not send the v25 init packet. Not sending the v25 packet means breaking compat with pre v25 servers, but as the option is not enabled by default, no servers are affected unless the user explicitly flips the switch. More than 90% of the servers on the serverlist support post v25 protocols. The patch also fixes a bug with greying out of non compliant servers being done wrongly, the min and max params were mixed.
Diffstat (limited to 'builtin')
-rw-r--r--builtin/mainmenu/common.lua11
-rw-r--r--builtin/mainmenu/tab_multiplayer.lua4
-rw-r--r--builtin/settingtypes.txt6
3 files changed, 18 insertions, 3 deletions
diff --git a/builtin/mainmenu/common.lua b/builtin/mainmenu/common.lua
index f40c787a2..b9a010e61 100644
--- a/builtin/mainmenu/common.lua
+++ b/builtin/mainmenu/common.lua
@@ -22,9 +22,14 @@ menudata = {}
--------------------------------------------------------------------------------
-- Local cached values
--------------------------------------------------------------------------------
-local min_supp_proto = core.get_min_supp_proto()
-local max_supp_proto = core.get_max_supp_proto()
+local min_supp_proto
+local max_supp_proto
+function common_update_cached_supp_proto()
+ min_supp_proto = core.get_min_supp_proto()
+ max_supp_proto = core.get_max_supp_proto()
+end
+common_update_cached_supp_proto()
--------------------------------------------------------------------------------
-- Menu helper functions
--------------------------------------------------------------------------------
@@ -105,7 +110,7 @@ function render_favorite(spec,render_details)
end
local details = ""
- local grey_out = not is_server_protocol_compat(spec.proto_max, spec.proto_min)
+ local grey_out = not is_server_protocol_compat(spec.proto_min, spec.proto_max)
if spec.clients ~= nil and spec.clients_max ~= nil then
local clients_color = ''
diff --git a/builtin/mainmenu/tab_multiplayer.lua b/builtin/mainmenu/tab_multiplayer.lua
index 570259718..2072f8c38 100644
--- a/builtin/mainmenu/tab_multiplayer.lua
+++ b/builtin/mainmenu/tab_multiplayer.lua
@@ -17,6 +17,10 @@
--------------------------------------------------------------------------------
local function get_formspec(tabview, name, tabdata)
+ -- Update the cached supported proto info,
+ -- it may have changed after a change by the settings menu.
+ common_update_cached_supp_proto()
+
local render_details = core.is_yes(core.setting_getbool("public_serverlist"))
local retval =
diff --git a/builtin/settingtypes.txt b/builtin/settingtypes.txt
index c1157b163..99106e00b 100644
--- a/builtin/settingtypes.txt
+++ b/builtin/settingtypes.txt
@@ -232,6 +232,12 @@ address (Server address) string
# Note that the port field in the main menu overrides this setting.
remote_port (Remote port) int 30000 1 65535
+# Whether to support older servers before protocol version 25.
+# Enable if you want to connect to 0.4.12 servers and before.
+# Servers starting with 0.4.13 will work, 0.4.12-dev servers may work.
+# Disabling this option will protect your password better.
+send_pre_v25_init (Support older servers) bool true
+
# Save the map received by the client on disk.
enable_local_map_saving (Saving map received from server) bool false