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|
#!/usr/bin/env luajit
local args = {...}
--[[ TODO - What to do about HTTPS://deb.devuan.org/ redirects.
Some mirrors give a 404.
Sledjhamr gives a 404, coz it's not listening on 443 for deb.devuan.org.
Some mirrors give a 200.
They shouldn't have the proper certificate, but are giving a result anyway.
]]
verbosity = 0
keep = false
-- TODO - Should actually implement this.
fork = true
options =
{
referenceSite =
{
typ = "string",
help = "",
value = "pkgmaster.devuan.org",
},
tests =
{
typ = "table",
help = "",
value =
{
"IPv4",
"IPv6",
-- "ftp",
"http",
"https",
-- "rsync",
"DNS-RR",
"Protocol",
-- "URL-Sanity",
-- "Integrity",
-- "Updated",
},
},
}
local defaultURL = {scheme = "http"}
local downloadLock = "flock -n results/wget-"
local download = "wget --timeout=300 -np -N -r -P results " -- Note wget has a default read timeout of 900 seconds (15 minutes).
local releases = {"jessie", "ascii", "beowulf", "ceres"}
local releaseFiles =
{
-- Release file.
"/Release",
"/InRelease",
"/main/binary-all/Packages.gz",
-- Contents files.
"/main/Contents-all.gz",
"/main/Contents-amd64.gz",
"/main/Contents-arm64.gz",
"-security/main/Contents-all.gz",
"-security/main/Contents-amd64.gz",
"-security/main/Contents-arm64.gz",
}
local notExist =
{
"ceres-security" -- This will never exist, it's our code name for the testing suite.
}
local referenceDebs =
{
-- Debian package.
"merged/pool/DEBIAN/main/d/dash/dash_0.5.8-2.4_amd64.deb",
-- Debian security package. NOTE this one should always be redirected?
"merged/pool/DEBIAN-SECURITY/updates/main/a/apt/apt-transport-https_1.4.9_amd64.deb",
}
local referenceDevs =
{
-- Devuan package. NOTE this one should not get redirected, but that's more a warning than an error.
"merged/pool/DEVUAN/main/d/desktop-base/desktop-base_2.0.3_all.deb",
-- "merged/pool/DEVUAN/main/u/util-linux/util-linux_2.32.1-0.1+devuan2.1_amd64.deb",
}
local arg = {}
local sendArgs = ""
local logFile
local socket = require 'socket'
local ftp = require 'socket.ftp'
local http = require 'socket.http'
local https = require 'ssl.https' -- See https://github.com/brunoos/luasec/wiki/LuaSec-0.6 for docs.
local url = require 'socket.url'
-- Use this to dump a table to a string.
dumpTable = function (table, space, name)
local r = ""
if "" == space then r = r .. space .. name .. " =\n" else r = r .. space .. "[" .. name .. "] =\n" end
r = r .. space .. "{\n"
r = r .. dumpTableSub(table, space .. " ")
if "" == space then r = r .. space .. "}\n" else r = r .. space .. "},\n" end
return r
end
dumpTableSub = function (table, space)
local r = ""
for k, v in pairs(table) do
if type(k) == "string" then k = '"' .. k .. '"' end
if type(v) == "table" then
r = r .. dumpTable(v, space, k)
elseif type(v) == "string" then
r = r .. space .. "[" .. k .. "] = '" .. v .. "';\n"
elseif type(v) == "function" then
r = r .. space .. "[" .. k .. "] = function ();\n"
elseif type(v) == "userdata" then
r = r .. space .. "userdata " .. "[" .. k .. "];\n"
elseif type(v) == "boolean" then
if (v) then
r = r .. space .. "[" .. k .. "] = true;\n"
else
r = r .. space .. "[" .. k .. "] = false;\n"
end
else
r = r .. space .. "[" .. k .. "] = " .. v .. ";\n"
end
end
return r
end
local log = function(v, t, s)
if v <= verbosity then
if 3 <= verbosity then t = os.date() .. " " .. t end
print(t .. ": " .. s)
end
if nil ~= logFile then
logFile:write(os.date() .. " " .. t .. ": " .. s .. "\n")
logFile:flush()
end
end
local D = function(s) log(3, "DEBUG ", s) end
local I = function(s) log(2, "INFO ", s) end
local W = function(s) log(1, "WARNING ", s) end
local E = function(s) log(0, "ERROR ", s) end
local C = function(s) log(-1, "CRITICAL", s) end
local mirrors = {}
local testing = function(t, host)
for i, v in pairs(options.tests.value) do
if t == v then
local h = mirrors[host]
if nil == h then return true end
if true == h["Protocols"][t] then return true else D("Skipping " .. t .. " checks for " .. host) end
end
end
return false
end
local checkExes = function (exe)
local count = io.popen('ps x | grep "' .. exe .. '" | grep -v " grep " | wc -l'):read("*l")
D(count .. " " .. exe .. " commands still running.")
return tonumber(count)
end
local repoExists = function (r)
r = r:match("([%a-]*)")
if nil == r then return false end
for k, v in pairs(notExist) do
if v == r then return false end
end
return true
end
local IP = {}
local gatherIPs = function (host)
if nil == IP[host] then
local IPs
local dig = io.popen('dig +keepopen +noall +nottlid +answer ' .. host .. ' A ' .. host .. ' AAAA ' .. host .. ' CNAME ' .. host .. ' SRV | sort -r | uniq')
repeat
IPs = dig:read("*l")
if nil ~= IPs then
for k, t, v in IPs:gmatch("([%w_%-%.]*)%.%s*IN%s*(%a*)%s*(.*)") do
if "." == v:sub(-1, -1) then v = v:sub(1, -2) end
if nil == IP[k] then IP[k] = {} end
IP[k][v] = t
end
end
until nil == IPs
end
end
-- Returns FTP directory listing
local nlst = function (u)
local t = {}
local p = url.parse(u)
p.command = "nlst"
p.sink = ltn12.sink.table(t)
local r, e = ftp.get(p)
return r and table.concat(t), e
end
checkURL = function (host, URL, r, retry)
if nil == r then r = 0 end
if nil == retry then retry = 0 end
local check = "Checking file"
if 0 < r then
check = "Redirecting to"
--[[ The hard part here is that we end up throwing ALL of the test files at the redirected location.
Not good for deb.debian.org, which we should only be throwing .debs at.
What we should do is loop through the DNS entries, and only test the specific protocol & file being tested here.
This is what I came up with for checking if we are already testing a specific URL.
Still duplicates a tiny bit, but much less than the previous find based method.
]]
local pl = url.parse(URL, defaultURL)
local file = host .. "://" .. pl.path
local f = io.popen(string.format('if [ ! -f results/%s.check ] ; then touch results/%s.check; echo -n "check"; fi', file:gsub("/", "_"), file:gsub("/", "_") )):read("*a")
if (nil == f) or ("check" == f) then
I(" Now checking redirected host " .. file)
checkRedirects(host, host, nil, "redir", pl.path)
else
D(" Already checking " .. file)
end
end
if 0 < retry then
-- TODO - should have a random sleep here before retrying.
check = "Retry " .. retry .. " " .. check
end
if 10 < r then
E("too many redirects! " .. check .. " " .. host .. " -> " .. URL)
return
end
if 10 < retry then
E("too many retries! " .. check .. " " .. host .. " -> " .. URL)
return
end
local PU = url.parse(URL, defaultURL)
D(PU.scheme .. " :// " .. check .. " " .. host .. " -> " .. URL)
if not testing(PU.scheme, host) then D("Not testing " .. PU.scheme .. " " .. host .. " -> " .. URL); return end
-- TODO - Perhaps we should try it anyway, and mark it as a warning if it DOES work?
if "https" == PU.scheme and "deb.devuan.org" == host then D("Not testing " .. PU.scheme .. " " .. host .. " -> " .. URL .. " mirrors shouldn't have the correct cert."); return end
local hd = {Host = host}
local htp = http;
if PU.scheme == "https" then htp = https end
-- NOTE - the docs for lua-sec say that redirect isn't supported is version 0.6, no idea if that means it ignores redirections like we want.
-- The protocol and options are lua-sec specific arguments.
local p, c, h, s = htp.request{method = "HEAD", redirect = false, url = URL, headers = hd, protocol = "any", options = "all"}
if nil == s then s = "" end
if nil == p then
E(" " .. c .. " " .. s .. "! " .. check .. " " .. host .. " -> " .. URL)
-- So far the only errors are "timeout", "Network is unreachable", and "closed", and I suspect "closed" is due to saturating my bandwidth.
-- Might be worthwhile retrying those, some number of times.
if ("closed" == c) or ("Network is unreachable" == c) or ("timeout" == c) then checkURL(host, URL, r, retry + 1) end
else
if ("4" == tostring(c):sub(1, 1)) or ("5" == tostring(c):sub(1, 1)) then
E(" " .. c .. " " .. s .. ". " .. check .. " " .. host .. " -> " .. URL)
else
I(" " .. c .. " " .. s .. ". " .. check .. " " .. host .. " -> " .. URL)
end
l = h.location
if nil ~= l then
local pu = url.parse(l, defaultURL)
if pu.scheme ~= PU.scheme then
if testing("Protocol") then
W(" protocol changed during redirect! " .. check .. " " .. host .. " -> " .. URL .. " -> " .. l)
end
elseif l == URL then
E(" redirect loop! " .. check .. " " .. host .. " -> " .. URL)
elseif nil == pu.host then
W(" no location host! " .. check .. " " .. host .. " -> " .. URL .. " -> " .. l)
checkURL(host, PU.scheme .. "://" .. PU.host .. l, r + 1)
else
checkURL(pu.host, l, r + 1)
end
end
end
end
local checkPaths = function (host, ip, path, file)
if nil ~= file then
if "redirect" == ip then ip = host end
I(" Checking IP for file " .. host .. " -> " .. ip .. " " .. path .. " " .. file)
if testing("http", host) then checkURL(host, "http://" .. ip .. path .. "/" .. file) end
if testing("https", host) then checkURL(host, "https://" .. ip .. path .. "/" .. file) end
else
I(" Checking IP " .. host .. " -> " .. ip .. " " .. path)
for i, s in pairs(referenceDevs) do
if testing("http", host) then checkURL(host, "http://" .. ip .. path .. "/" .. s) end
if testing("https", host) then checkURL(host, "https://" .. ip .. path .. "/" .. s) end
end
for i, s in pairs(releases) do
for j, k in pairs(releaseFiles) do
if repoExists(s .. k) then
if testing("http", host) then checkURL(host, "http://" .. ip .. path .. "/merged/dists/" .. s .. k) end
if testing("https", host) then checkURL(host, "https://" .. ip .. path .. "/merged/dists/" .. s .. k) end
end
end
end
end
end
local execute = function (s)
D(" executing " .. s)
os.execute(s)
end
checkRedirects = function (orig, host, path, ip, file)
if nil == host then host = orig end
if nil == path then path = "" end
if nil == file then file = "" end
local po = url.parse("http://" .. orig)
local ph = url.parse("http://" .. host)
if (nil ~= ip) and ("redir" ~= ip) then
if "" ~= file then
D("checking redirected file " .. po.host .. " " .. file)
checkPaths(po.host, ip, path, file)
else
checkPaths(po.host, ip, path)
end
else
if orig == host then D("checkRedirects " .. orig .. "" .. file) else D("checkRedirects " .. orig .. " -> " .. host) end
-- TODO - use checkPaths() here ^^^ on the original domain name, coz that's not getting caught yet. I think.
gatherIPs(ph.host)
for k, v in pairs(IP[ph.host]) do
D(" DNS record " .. v .. " " .. ph.host .. " -> " .. k)
if v == "A" then
if testing("IPv4") then execute("ionice -c3 ./mirror-checker.lua " .. sendArgs .. " " .. orig .. path .. " " .. k .. " " .. file .." &") end
elseif v == "AAAA" then
if testing("IPv6") then execute("ionice -c3 ./mirror-checker.lua " .. sendArgs .. " " .. orig .. path .. " [" .. k .. "] " .. file .. " &") end
elseif v == "CNAME" then
checkRedirects(orig, k, path, ip, file) -- Check the original, with the DNS records from the CNAME. Do not check the CNAME, it's just a source of IPs.
elseif v == "SRV" then
print("SVR record found, now what do we do?")
end
end
end
end
local downloads = function (cut, host, URL)
if 0 ~= cut then cd = " --cut-dirs=" .. cut .. " " else cd = "" end
if nil == URL then URL = "/" end
local lock = "%s-" .. host .. ".log "
local log = " --rejected-log=results/wget-%s_REJECTS-" .. host .. ".log -a results/wget-%s-" .. host .. ".log "
I("starting file download commands for " .. host .. " " .. URL)
local cm = "ionice -c3 " .. downloadLock .. lock:format("debs") .. download .. log:format("debs", "debs") .. cd
for i, s in pairs(referenceDevs) do
cm = cm .. " https://" .. host .. URL .. "/" .. s
end
for i, s in pairs(referenceDebs) do
cm = cm .. " https://" .. host .. URL .. "/" .. s
end
for i, s in pairs(releases) do
execute(cm .. " &")
cm = "ionice -c3 " .. downloadLock .. lock:format(s) .. download .. log:format(s, s) .. cd
if repoExists(s .. k) then
for j, k in pairs(releaseFiles) do
cm = cm .. " https://" .. host .. URL .. "/merged/dists/" .. s .. k
end
end
end
execute(cm .. " &")
end
local getMirrors = function ()
local mirrors = {}
local host = ""
local m = {}
local active = true
local URL = "https://" .. options.referenceSite.value .. "/mirror_list.txt"
I("getting mirrors.")
local p, c, h = http.request(URL)
if nil == p then E(c .. " fetching " .. URL) else
for l in p:gmatch("\n*([^\n]+)\n*") do
local t, d = l:match("(%a*):%s*(.*)")
d = string.lower(d)
if "FQDN" == t then
if "" ~= host then
if active then mirrors[host] = m end
m = {}
active = true
end
host = d
m[t] = d
elseif "Protocols" == t then
local prot = {}
for w in d:gmatch("(%w+)") do
prot[w] = true;
end
m[t] = prot
elseif "Active" == t and nil == d:find("yes", 1, true) then
W("Mirror " .. host .. " is not active - " .. d)
active = false
else
m[t] = d
end
end
if "" ~= host and active then
mirrors[host] = m
end
end
local file, e = io.open("results/mirrors.lua", "w+")
if nil == file then C("opening mirrors file - " .. e) else
file:write(dumpTable(mirrors, "", "mirrors") .. "\nreturn mirrors\n")
file:close()
end
return mirrors
end
if 0 ~= #args then
local option = ""
for i, a in pairs(args) do
if ("--help" == a) or ("-h" == a) then
print("I should write some docs, huh? Read README.md for instructions.")
elseif "--version" == a then
print("mirror-checker-lua version 0.1 WIP development version")
elseif "-v" == a then
verbosity = verbosity + 1
sendArgs = sendArgs .. a .. " "
elseif "-q" == a then
verbosity = -1
sendArgs = sendArgs .. a .. " "
elseif "-k" == a then
keep = true
elseif "-n" == a then
fork = false
elseif "--" == a:sub(1, 2) then
local s, e = a:find("=")
if nil == s then e = -1 end
option = a:sub(3, e - 1)
local o = options[option]
if nil == o then
print("Unknown option --" .. option)
option = ""
else
option = a
sendArgs = sendArgs .. a .. " "
local s, e = a:find("=")
if nil == s then e = 0 end
option = a:sub(3, e - 1)
if "table" == options[option].typ then
local result = {}
for t in (a:sub(e + 1) .. ","):gmatch("([+%-]?%w*),") do
local f = t:sub(1, 1)
local n = t:sub(2, -1)
if ("+" ~= f) and ("-" ~= f) then
table.insert(result, t)
end
end
if 0 ~= #result then
options[option].value = result
else
for t in (a:sub(e + 1) .. ","):gmatch("([+%-]?%w*),") do
local f = t:sub(1, 1)
local n = t:sub(2, -1)
if "+" == f then
table.insert(options[option].value, n)
elseif "-" == f then
local r = {}
for i, k in pairs(options[option].value) do
if k ~= n then table.insert(r, k) end
end
options[option].value = r
end
end
end
else
options[option].value = a
end
option = ""
end
elseif "-" == a:sub(1, 1) then
print("Unknown option " .. a)
else
table.insert(arg, a)
end
end
end
--print(dumpTable(options.tests.value, "", "tests"))
execute("mkdir -p results")
if 0 < #arg then
if "/" == arg[1]:sub(-1, -1) then
W("slash at end of path! " .. arg[1])
arg[1] = arg[1]:sub(1, -2)
end
local pu = url.parse("http://" .. arg[1])
if nil ~= arg[2] then
logFile, e = io.open("results/mirror-checker-lua_" .. pu.host .. "_" .. arg[2] .. ".log", "a+")
else
logFile, e = io.open("results/mirror-checker-lua_" .. pu.host .. ".log", "a+")
end
if nil == logFile then C("opening log file - " .. e); return end
I("Starting tests for " ..arg[1] .. " with these tests - " .. table.concat(options.tests.value, ", "))
mirrors = loadfile("results/mirrors.lua")()
--print(dumpTable(mirrors, "", "mirrors"))
if nil ~= arg[2] then I(" Using IP " .. arg[2]) end
if nil ~= arg[3] then I(" Using file " .. arg[3]); end
if testing("Integrity") or testing("Updated") then
if nil == arg[3] then
if not keep then execute("rm -fr results/" .. pu.host) end
cut = 0
for t in arg[1]:gmatch("(/)") do
cut = cut + 1
end
downloads(cut, pu.host, pu.path)
checkExes("mirror-checker.lua " .. sendArgs)
checkExes(downloadLock)
end
end
checkRedirects(pu.host, pu.host, pu.path, arg[2], arg[3])
logFile:close()
else
if not keep then os.execute("rm -f results/*.log") end
os.execute("rm -f results/*.check")
os.execute("mkdir -p results; touch results/stamp")
logFile, e = io.open("results/mirror-checker-lua.log", "a+")
if nil == logFile then C("opening log file - " .. e); return end
I("Starting tests " .. table.concat(options.tests.value, ", "))
execute("mkdir -p results")
mirrors = getMirrors()
--print(dumpTable(mirrors, "", "mirrors"))
mirrors[options.referenceSite.value] = nil
checkRedirects(options.referenceSite.value)
-- forkIP(options.referenceSite.value)
checkRedirects("deb.devuan.org")
-- forkIP("deb.devuan.org")
for k, m in pairs(mirrors) do
if "/" == m.BaseURL:sub(-1, -1) then
W("slash at end of BaseURL in mirror_list.txt! " .. m.BaseURL)
m.BaseURL = m.BaseURL:sub(1, -2)
end
local pu = url.parse("http://" .. m.BaseURL)
checkRedirects(m.BaseURL)
-- forkIP(m.BaseURL)
checkExes("mirror-checker.lua " .. sendArgs)
if testing("Integrity") or testing("Updated") then checkExes(downloadLock) end
end
while 1 <= checkExes("mirror-checker.lua " .. sendArgs) do os.execute("sleep 30") end
if testing("Integrity") or testing("Updated") then
while 0 < checkExes(downloadLock) do os.execute("sleep 30") end
end
os.execute("rm -f results/*.check")
logFile:close()
end
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