From 86885e32ea98ae7fc18c207052e2108f7cdba833 Mon Sep 17 00:00:00 2001
From: Mika Havela <mika.havela@gmail.com>
Date: Sat, 23 Aug 2008 10:14:19 +0000
Subject: Added status information about which peers are currently connected to
 sshd

git-svn-id: svn://svn.alpinelinux.org/acf/openssh/trunk@1403 ab2d0c66-481e-0410-8bed-d214d4d58bed
---
 openssh-model.lua | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 46 insertions(+), 1 deletion(-)

(limited to 'openssh-model.lua')

diff --git a/openssh-model.lua b/openssh-model.lua
index 0ebce53..2f657f9 100644
--- a/openssh-model.lua
+++ b/openssh-model.lua
@@ -12,6 +12,7 @@ local configfile = "/etc/ssh/sshd_config"
 local processname = "sshd"
 local packagename = "openssh-server"
 local header = "SSH"
+local path="PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin "
 
 local default = {
 	Port = 22,
@@ -97,7 +98,8 @@ function read_config()
 end
 
 
-function startstop_service(action)
+function startstop_service(action)require("getopts")
+
 	return modelfunctions.startstop_service(processname, action)
 end
 
@@ -159,3 +161,46 @@ function write_config(config)
 	return true
 end
 
+function list_conn_peers()
+	local output = {}
+	local netstat = {}
+	local ps = {}
+	local who = {}
+	config = read_config()
+	local f = io.popen( path .. 'netstat -lna | grep ' .. tostring(config.Port) .. ' | grep "ESTABLISHED"' )
+	for line in f:lines() do
+		local peer = string.match(line, "^.-:.-:.-:.-:.-:.-:.-:(.-):.-$")
+		if not (netstat[peer]) then netstat[peer] = {cnt=0} end
+		netstat[peer]['cnt'] = (tonumber(netstat[peer]['cnt']) + 1)
+	end
+	f:close()
+
+	local f = io.popen( path .. 'ps | grep "sshd:" | grep -v "grep"' )
+	for line in f:lines() do
+		table.insert(ps, string.match(line,".-%@(%S*)$"))
+	end
+	f:close()
+
+	for peer,v in pairs(netstat) do
+		if not (netstat[peer]['tty']) then netstat[peer]['tty'] = {} end
+		local f = io.popen( path .. 'who | grep "' .. tostring(peer) .. '" | egrep "' .. table.concat(ps, "|") .. '"' )
+		for line in f:lines() do
+			local user,tty,idle,time = string.match(line, "^(%S*)%s*(%S*)%s*(%S*)%s*(%S*%s*%S*%s*%S*)")
+
+			table.insert(netstat[peer]['tty'], {
+			  user=user,
+			  tty=tty,
+			  idle=idle,
+			  time=time,
+			})
+		end
+		f:close()
+	end
+
+	for k,v in pairs(netstat) do
+		table.insert(output, v)
+		output[#output]['host'] = k
+	end
+
+	return output
+end
-- 
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