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Fix error:

Browse Source 
SCRIPT ENGINE (506.424s): ./scripts/pop3-capabilities.nse against a.b.1.47:995
ended with error: ./scripts/pop3-capabilities.nse:32: bad argument #1 to
'pairs' (table expected, got string)

which happens because pop3.lua returns a string error message instead of a table
of capabilities if it can't connect the socket or obtain a response from a
connected socket.
It now returns nil, err_message in these cases and the documentation now reflects
this - pop3-capabilities.nse silently returns and prints a debug message.

Added a 10s timeout for the socket in pop3.lua capabilities - 30s was a bit much.
This commit is contained in:
jah
2009-02-03 01:15:25 +00:00
parent abd6137d61
commit c8442d3946
2 changed files with 11 additions and 6 deletions
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7
scripts/pop3-capabilities.nse
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@@ -24,8 +24,8 @@ require 'stdnse'
portrule = shortport.port_or_service({110}, "pop3")
action = function(host, port)
local capa = pop3.capabilities(host, port)
if capa then
local capa, err = pop3.capabilities(host, port)
if type(capa) == "table" then
-- Convert the capabilities table into an array of strings.
local capstrings = {}
local cap, args
@@ -43,6 +43,9 @@ action = function(host, port)
table.insert(capstrings, capstr)
end
return stdnse.strjoin(" ", capstrings)
elseif type(err) == "string" then
stdnse.print_debug(1, "%s: '%s' for %s", filename, err, host.ip)
return
else
return "server doesn't support CAPA"
end