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Code Issues Releases Wiki Activity

protected network services

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This commit is contained in:
kepler155c@gmail.com 2019-04-20 13:48:13 -04:00
parent 62a3bc1360
commit 7749e14cad
6 changed files with 83 additions and 54 deletions
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68
sys/apps/network/proxy.lua
View File

@ -14,6 +14,36 @@ local function getProxy(path)
return proxy
end
local function proxyConnection(socket)
local path = socket:read(2)
if path then
local api = getProxy(path)
if not api then
print('proxy: invalid API')
socket:close()
return
end
local methods = { }
for k,v in pairs(api) do
if type(v) == 'function' then
table.insert(methods, k)
end
end
socket:write(methods)
while true do
local data = socket:read()
if not data then
print('proxy: lost connection from ' .. socket.dhost)
break
end
socket:write({ api[data[1]](table.unpack(data, 2)) })
end
end
end
Event.addRoutine(function()
print('proxy: listening on port 188')
while true do
@ -22,39 +52,13 @@ Event.addRoutine(function()
print('proxy: connection from ' .. socket.dhost)
Event.addRoutine(function()
local path = socket:read(2)
if path then
local api = getProxy(path)
if not api then
print('proxy: invalid API')
socket:close()
return
end
local methods = { }
for k,v in pairs(api) do
if type(v) == 'function' then
table.insert(methods, k)
end
end
socket:write(methods)
local s, m = pcall(function()
while true do
local data = socket:read()
if not data then
print('proxy: lost connection from ' .. socket.dhost)
break
end
socket:write({ api[data[1]](table.unpack(data, 2)) })
end
end)
if not s and m then
_G.printError(m)
end
end
local s, m = pcall(proxyConnection, socket)
print('proxy: closing connection to ' .. socket.dhost)
socket:close()
if not s and m then
print('Proxy error')
_G.printError(m)
end
end)
end
end)

7
sys/apps/network/samba.lua
View File

@ -67,8 +67,13 @@ Event.addRoutine(function()
Event.addRoutine(function()
print('samba: connection from ' .. socket.dhost)
sambaConnection(socket)
local s, m = pcall(sambaConnection, socket)
print('samba: closing connection to ' .. socket.dhost)
socket:close()
if not s and m then
print('Samba error')
_G.printError(m)
end
end)
end
end)

6
sys/apps/network/snmp.lua
View File

@ -106,8 +106,12 @@ Event.addRoutine(function()
Event.addRoutine(function()
print('snmp: connection from ' .. socket.dhost)
snmpConnection(socket)
local s, m = pcall(snmpConnection, socket)
print('snmp: closing connection to ' .. socket.dhost)
if not s and m then
print('snmp error')
_G.printError(m)
end
end)
end
end)

6
sys/apps/network/telnet.lua
View File

@ -76,7 +76,11 @@ Event.addRoutine(function()
print('telnet: connection from ' .. socket.dhost)
Event.addRoutine(function()
telnetHost(socket)
local s, m = pcall(telnetHost, socket)
if not s and m then
print('Telnet error')
_G.printError(m)
end
end)
end
end)

44
sys/apps/network/trust.lua
View File

@ -4,6 +4,27 @@ local Security = require('security')
local Socket = require('socket')
local Util = require('util')
local function trustConnection(socket)
local data = socket:read(2)
if data then
local password = Security.getPassword()
if not password then
socket:write({ msg = 'No password has been set' })
else
data = Crypto.decrypt(data, password)
if data and data.pk and data.dh == socket.dhost then
local trustList = Util.readTable('usr/.known_hosts') or { }
trustList[data.dh] = data.pk
Util.writeTable('usr/.known_hosts', trustList)
socket:write({ success = true, msg = 'Trust accepted' })
else
socket:write({ msg = 'Invalid password' })
end
end
end
end
Event.addRoutine(function()
print('trust: listening on port 19')
@ -12,24 +33,11 @@ Event.addRoutine(function()
print('trust: connection from ' .. socket.dhost)
local data = socket:read(2)
if data then
local password = Security.getPassword()
if not password then
socket:write({ msg = 'No password has been set' })
else
data = Crypto.decrypt(data, password)
if data and data.pk and data.dh == socket.dhost then
local trustList = Util.readTable('usr/.known_hosts') or { }
trustList[data.dh] = data.pk
Util.writeTable('usr/.known_hosts', trustList)
socket:write({ success = true, msg = 'Trust accepted' })
else
socket:write({ msg = 'Invalid password' })
end
end
end
local s, m = pcall(trustConnection, socket)
socket:close()
if not s and m then
print('Trust error')
_G.printError(m)
end
end
end)

6
sys/apps/network/vnc.lua
View File

@ -63,7 +63,11 @@ Event.addRoutine(function()
-- no new process - only 1 connection allowed
-- due to term size issues
vncHost(socket)
local s, m = pcall(vncHost, socket)
socket:close()
if not s and m then
print('vnc error')
_G.printError(m)
end
end
end)