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Use 1-indexing for first char of Lua string.

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sub(0, 1) worked, but it's more clear to do sub(1, 1).
This commit is contained in:
david
2013-10-14 01:35:44 +00:00
parent 492ca905e2
commit 27af1d09df
1 changed files with 2 additions and 2 deletions
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4
ncat/scripts/httpd.lua
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@@ -221,7 +221,7 @@ function is_path_valid(resource)
end
--if it starts with a dot or a slash or a backslash, forbid any acccess to it.
first_char = resource:sub(0, 1)
first_char = resource:sub(1, 1)
if first_char == "." then
return false
@@ -373,7 +373,7 @@ debug("Got a request for '" .. resource
resource = url_decode(resource)
--make sure that the resource starts with a slash.
if resource:sub(0, 1) ~= '/' then
if resource:sub(1, 1) ~= '/' then
do_400() --could probably use a fancier error here.
end