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properly parse config value containing = (#42)

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blotus 2023-08-04 17:13:42 +02:00 committed by GitHub
parent 902f055023
commit cd881cb387
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 48 additions and 62 deletions
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110
lib/plugins/crowdsec/config.lua
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@ -2,8 +2,8 @@ local config = {}
function config.file_exists(file)
local f = io.open(file, "rb")
if f then
f:close()
if f then
f:close()
end
return f ~= nil
end
@ -34,7 +34,6 @@ local function trim(s)
return (string.gsub(s, "^%s*(.-)%s*$", "%1"))
end
function config.loadConfig(file)
if not config.file_exists(file) then
return nil, "File ".. file .." doesn't exist"
@ -65,64 +64,51 @@ function config.loadConfig(file)
isOk = true
end
if not isOk then
local s = split(line, "=")
for k, v in pairs(s) do
if has_value(valid_params, v) then
if v == "ENABLED" then
local value = s[2]
if not has_value(valid_truefalse_values, s[2]) then
ngx.log(ngx.ERR, "unsupported value '" .. s[2] .. "' for variable '" .. v .. "'. Using default value 'true' instead")
break
end
end
if v == "BOUNCING_ON_TYPE" then
local value = s[2]
if not has_value(valid_bouncing_on_type_values, s[2]) then
ngx.log(ngx.ERR, "unsupported value '" .. s[2] .. "' for variable '" .. v .. "'. Using default value 'ban' instead")
break
end
end
if v == "MODE" then
local value = s[2]
if not has_value({'stream', 'live'}, s[2]) then
ngx.log(ngx.ERR, "unsupported value '" .. s[2] .. "' for variable '" .. v .. "'. Using default value 'stream' instead")
break
end
end
if v == "EXCLUDE_LOCATION" then
local value = s[2]
exclude_location = {}
if value ~= "" then
for match in (value..","):gmatch("(.-)"..",") do
table.insert(exclude_location, match)
end
end
local n = next(s, k)
conf[v] = exclude_location
break
end
if v == "FALLBACK_REMEDIATION" then
local value = s[2]
if not has_value({'captcha', 'ban'}, s[2]) then
ngx.log(ngx.ERR, "unsupported value '" .. s[2] .. "' for variable '" .. v .. "'. Using default value 'ban' instead")
local n = next(s, k)
conf[v] = "ban"
break
end
end
local n = next(s, k)
conf[v] = s[n]
break
elseif has_value(valid_int_params, v) then
local n = next(s, k)
conf[v] = tonumber(s[n])
break
else
ngx.log(ngx.ERR, "unsupported configuration '" .. v .. "'")
break
end
end
end
local sep_pos = line:find("=")
if not sep_pos then
ngx.log(ngx.ERR, "invalid configuration line: " .. line)
break
end
local key = trim(line:sub(1, sep_pos - 1))
local value = trim(line:sub(sep_pos + 1))
if has_value(valid_params, key) then
if key == "ENABLED" then
if not has_value(valid_truefalse_values, value) then
ngx.log(ngx.ERR, "unsupported value '" .. value .. "' for variable '" .. key .. "'. Using default value 'true' instead")
conf[key] = "true"
end
elseif key == "BOUNCING_ON_TYPE" then
if not has_value(valid_bouncing_on_type_values, value) then
ngx.log(ngx.ERR, "unsupported value '" .. value .. "' for variable '" .. key .. "'. Using default value 'ban' instead")
conf[key] = "ban"
end
elseif key == "MODE" then
if not has_value({'stream', 'live'}, value) then
ngx.log(ngx.ERR, "unsupported value '" .. value .. "' for variable '" .. key .. "'. Using default value 'stream' instead")
conf[key] = "stream"
end
elseif key == "EXCLUDE_LOCATION" then
exclude_location = {}
if value ~= "" then
for match in (value..","):gmatch("(.-)"..",") do
table.insert(exclude_location, match)
end
end
conf[key] = exclude_location
elseif key == "FALLBACK_REMEDIATION" then
if not has_value({'captcha', 'ban'}, value) then
ngx.log(ngx.ERR, "unsupported value '" .. value .. "' for variable '" .. key .. "'. Using default value 'ban' instead")
conf[key] = "ban"
end
else
conf[key] = value
end
elseif has_value(valid_int_params, key) then
conf[key] = tonumber(value)
else
ngx.log(ngx.ERR, "unsupported configuration '" .. key .. "'")
end
end
end
for k, v in pairs(default_values) do
if conf[k] == nil then
@ -131,4 +117,4 @@ function config.loadConfig(file)
end
return conf, nil
end
return config
return config