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Add option to not send pre v25 init packet

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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.
This commit is contained in:
est31 2016-03-14 10:18:29 +01:00
parent 2607b97b4f
commit af30183124
10 changed files with 71 additions and 24 deletions
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4
src/script/lua_api/l_mainmenu.cpp
View file

@ -1095,7 +1095,9 @@ int ModApiMainMenu::l_get_screen_info(lua_State *L)
/******************************************************************************/
int ModApiMainMenu::l_get_min_supp_proto(lua_State *L)
{
lua_pushinteger(L, CLIENT_PROTOCOL_VERSION_MIN);
u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
lua_pushinteger(L, proto_version_min);
return 1;
}