prosody
08ed4fa2f89d
util/sasl.lua

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util/sasl.lua @ 595:08ed4fa2f89d

Latin1 support for SASL DIGEST-MD5 (initial commit)
author Waqas Hussain <waqas20@gmail.com>
date Sun, 07 Dec 2008 23:43:08 +0500
parent 529:631e7d16d22b
child 599:30655c5cc531
comparison
equal deleted inserted replaced
592:c6e2c727d0cc 595:08ed4fa2f89d
79 if message["rspauth"] then data = data..[[rspauth=]]..message.rspauth.."," end 79 if message["rspauth"] then data = data..[[rspauth=]]..message.rspauth.."," end
80 data = data:gsub(",$", "") 80 data = data:gsub(",$", "")
81 return data 81 return data
82 end 82 end
83 83
84 local function utf8tolatin1ifpossible(passwd)
85 local i = 1;
86 while i <= #passwd do
87 local passwd_i = to_byte(passwd:sub(i, i));
88 if passwd_i > 0x7F then
89 if passwd_i < 0xC0 or passwd_i > 0xC3 then
90 return passwd;
91 end
92 i = i + 1;
93 passwd_i = to_byte(passwd:sub(i, i));
94 if passwd_i < 0x80 or passwd_i > 0xBF then
95 return passwd;
96 end
97 end
98 i = i + 1;
99 end
100
101 local p = {};
102 local j = 0;
103 i = 1;
104 while (i <= #passwd) do
105 local passwd_i = to_byte(passwd:sub(i, i));
106 if passwd_i > 0x7F then
107 i = i + 1;
108 local passwd_i_1 = to_byte(passwd:sub(i, i));
109 t_insert(p, to_char(passwd_i%4*64 + passwd_i_1%64)); -- I'm so clever
110 else
111 t_insert(p, to_char(passwd_i));
112 end
113 i = i + 1;
114 end
115 return t_concat(p);
116 end
84 local function latin1toutf8(str) 117 local function latin1toutf8(str)
85 local p = {}; 118 local p = {};
86 for ch in gmatch(str, ".") do 119 for ch in gmatch(str, ".") do
87 ch = to_byte(ch); 120 ch = to_byte(ch);
88 if (ch < 0x80) then 121 if (ch < 0x80) then
146 if response["realm"] == nil then response["realm"] = "" end 179 if response["realm"] == nil then response["realm"] = "" end
147 local raw_realm = response["realm"]; 180 local raw_realm = response["realm"];
148 181
149 if response["charset"] == nil then 182 if response["charset"] == nil then
150 response["username"] = latin1toutf8(response["username"]) 183 response["username"] = latin1toutf8(response["username"])
151 response["realm"] = latin1toutf8(response["realm"]) 184 response["realm"] = utf8tolatin1ifpossible(response["realm"])
152 elseif response["charset"] ~= "utf-8" then 185 elseif response["charset"] ~= "utf-8" then
153 return "failure", "incorrect-encoding", "The client's response uses "..response["charset"].." for encoding with isn't supported by sasl.lua. Supported encodings are latin or utf-8." 186 return "failure", "incorrect-encoding", "The client's response uses "..response["charset"].." for encoding with isn't supported by sasl.lua. Supported encodings are latin or utf-8."
154 end 187 end
155 188
156 local domain = "" 189 local domain = ""