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Adds nil check to fix warning the running against hosts with no auth.

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paulino
2013-06-22 14:46:14 +00:00
parent 27576cfb34
commit fb610761b1
1 changed files with 15 additions and 13 deletions
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28
nselib/sasl.lua
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@@ -85,20 +85,22 @@ if HAVE_SSL then
parseChallenge = function(self)
local results = {}
local start, stop = 0,0
while(true) do
local name, value
start, stop, name = self.chall:find("([^=]*)=%s*", stop + 1)
if ( not(start) ) then break end
if ( self.chall:sub(stop + 1, stop + 1) == "\"" ) then
start, stop, value = self.chall:find("(.-)\"", stop + 2)
else
start, stop, value = self.chall:find("([^,]*)", stop + 1)
if self.chall then
while(true) do
local name, value
start, stop, name = self.chall:find("([^=]*)=%s*", stop + 1)
if ( not(start) ) then break end
if ( self.chall:sub(stop + 1, stop + 1) == "\"" ) then
start, stop, value = self.chall:find("(.-)\"", stop + 2)
else
start, stop, value = self.chall:find("([^,]*)", stop + 1)
end
name = name:lower()
if name == "digest realm" then name="realm" end
self.challnvs[name] = value
start, stop = self.chall:find("%s*,%s*", stop + 1)
if ( not(start) ) then break end
end
name = name:lower()
if name == "digest realm" then name="realm" end
self.challnvs[name] = value
start, stop = self.chall:find("%s*,%s*", stop + 1)
if ( not(start) ) then break end
end
end,