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Fix "bad argument #1 to 'match' (string expected, got nil)" in hostrule

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by returning early when nfs-ls and nfs-statfs do not have the required
version numbers for the nfs and mountd ports.
This commit is contained in:
jah 2016-08-23 22:39:29 +00:00
parent e5a495c1a0
commit 86da86007c
2 changed files with 14 additions and 4 deletions
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9
scripts/nfs-ls.nse
View file

@ -167,7 +167,13 @@ hostrule = function(host)
end
if mountport and nfsport then break end
end
if nfsport == nil then return false end
-- Run when nfs and mount ports were scanned and their versions numbers known
if not (nfsport and (host.registry.nfs.nfsver or nfsport.version.version)) then
return false
end
if not (mountport and (host.registry.nfs.mountver or mountport.version.version)) then
return false
end
if host.registry.nfs.nfsver == nil then
local low, high = string.match(nfsport.version.version, "(%d)%-(%d)")
if high == nil then
@ -185,7 +191,6 @@ hostrule = function(host)
end
end
end
if mountport == nil then return false end
if host.registry.nfs.mountver == nil then
local low, high = string.match(mountport.version.version, "(%d)%-(%d)")
if high == nil then

9
scripts/nfs-statfs.nse
View file

@ -68,7 +68,13 @@ hostrule = function(host)
end
if mountport and nfsport then break end
end
if nfsport == nil then return false end
-- Run when nfs and mount ports were scanned and their versions numbers known
if not (nfsport and (host.registry.nfs.nfsver or nfsport.version.version)) then
return false
end
if not (mountport and (host.registry.nfs.mountver or mountport.version.version)) then
return false
end
if host.registry.nfs.nfsver == nil then
local low, high = string.match(nfsport.version.version, "(%d)%-(%d)")
if high == nil then
@ -86,7 +92,6 @@ hostrule = function(host)
end
end
end
if mountport == nil then return false end
if host.registry.nfs.mountver == nil then
local low, high = string.match(mountport.version.version, "(%d)%-(%d)")
if high == nil then