prosody
94e341dee51c
util/paths.lua

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util/paths.lua @ 10224:94e341dee51c

core.certmanager: Move EECDH ciphers before EDH in default cipherstring The original intent of having kEDH before kEECDH was that if a `dhparam` file was specified, this would be interpreted as a preference by the admin for old and well-tested Diffie-Hellman key agreement over newer elliptic curve ones. Otherwise the faster elliptic curve ciphersuites would be preferred. This didn't really work as intended since this affects the ClientHello on outgoing s2s connections, leading to some servers using poorly configured kEDH. With Debian shipping OpenSSL settings that enforce a higher security level, this caused interoperability problems with servers that use DH params smaller than 2048 bits. E.g. jabber.org at the time of this writing has 1024 bit DH params. MattJ says > Curves have won, and OpenSSL is less weird about them now
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:22:35 +0200
parent 10204:fbd4a5bc3a01
child 10402:0971694b30a8
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rev   line source
6505
2dc8dbd0940e util.paths: Add function for joining path segments
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1 local t_concat = table.concat;
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2
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3 local path_sep = package.config:sub(1,1);
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4
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5 local path_util = {}
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6
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7 -- Helper function to resolve relative paths (needed by config)
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8 function path_util.resolve_relative_path(parent_path, path)
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9 if path then
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10 -- Some normalization
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11 parent_path = parent_path:gsub("%"..path_sep.."+$", "");
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12 path = path:gsub("^%.%"..path_sep.."+", "");
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13
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14 local is_relative;
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15 if path_sep == "/" and path:sub(1,1) ~= "/" then
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16 is_relative = true;
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17 elseif path_sep == "\\" and (path:sub(1,1) ~= "/" and (path:sub(2,3) ~= ":\\" and path:sub(2,3) ~= ":/")) then
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18 is_relative = true;
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19 end
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20 if is_relative then
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21 return parent_path..path_sep..path;
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22 end
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23 end
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24 return path;
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25 end
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26
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27 -- Helper function to convert a glob to a Lua pattern
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28 function path_util.glob_to_pattern(glob)
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29 return "^"..glob:gsub("[%p*?]", function (c)
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30 if c == "*" then
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31 return ".*";
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32 elseif c == "?" then
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33 return ".";
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34 else
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35 return "%"..c;
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36 end
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37 end).."$";
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38 end
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39
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40 function path_util.join(...)
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41 return t_concat({...}, path_sep);
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42 end
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43
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91085371cfc5 util.paths: Added the function 'complement_lua_path'
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44 function path_util.complement_lua_path(installer_plugin_path)
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45 -- Checking for duplicates
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46 -- The commands using luarocks need the path to the directory that has the /share and /lib folders.
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47 local lua_version = _VERSION:match(" (.+)$");
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48ee50ed9972 util.paths: Refactored a variable, to avoid shadowing
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48 local lua_path_sep = package.config:sub(3,3);
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49 local dir_sep = package.config:sub(1,1);
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50 local sub_path = dir_sep.."lua"..dir_sep..lua_version..dir_sep;
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51 if not string.match(package.path, installer_plugin_path) then
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52 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?.lua";
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53 package.path = package.path..lua_path_sep..installer_plugin_path..dir_sep.."share"..sub_path.."?"..dir_sep.."init.lua";
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54 end
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55 if not string.match(package.path, installer_plugin_path) then
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56 package.cpath = package.cpath..lua_path_sep..installer_plugin_path..dir_sep.."lib"..sub_path.."?.so";
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57 end
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58 end
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59
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60 return path_util;