summaryrefslogtreecommitdiffstats
path: root/scripts/hadoop-secondary-namenode-info.nse
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/hadoop-secondary-namenode-info.nse')
-rw-r--r--scripts/hadoop-secondary-namenode-info.nse122
1 files changed, 122 insertions, 0 deletions
diff --git a/scripts/hadoop-secondary-namenode-info.nse b/scripts/hadoop-secondary-namenode-info.nse
new file mode 100644
index 0000000..3b7e706
--- /dev/null
+++ b/scripts/hadoop-secondary-namenode-info.nse
@@ -0,0 +1,122 @@
+local http = require "http"
+local nmap = require "nmap"
+local shortport = require "shortport"
+local stdnse = require "stdnse"
+local string = require "string"
+local table = require "table"
+local target = require "target"
+
+description = [[
+Retrieves information from an Apache Hadoop secondary NameNode HTTP status page.
+
+Information gathered:
+* Date/time the service was started
+* Hadoop version
+* Hadoop compile date
+* Hostname or IP address and port of the master NameNode server
+* Last time a checkpoint was taken
+* How often checkpoints are taken (in seconds)
+* Log directory (relative to http://host:port/)
+* File size of current checkpoint
+]]
+
+---
+-- @usage
+-- nmap --script hadoop-secondary-namenode-info -p 50090 host
+--
+-- @output
+-- PORT STATE SERVICE REASON
+-- 50090/tcp open unknown syn-ack
+-- | hadoop-secondary-namenode-info:
+-- | Start: Wed May 11 22:33:44 PDT 2011
+-- | Version: 0.20.2, f415ef415ef415ef415ef415ef415ef415ef415e
+-- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown
+-- | Log: /logs/
+-- | namenode: namenode1.example.com/192.0.1.1:8020
+-- | Last Checkpoint: Wed May 11 22:33:44 PDT 2011
+-- | Checkpoint Period: 3600 seconds
+-- |_ Checkpoint Size: 12345678 MB
+--
+-- @xmloutput
+-- <elem key="Start">Wed May 11 22:33:44 PDT 2011</elem>
+-- <elem key="Version">0.20.2, f415ef415ef415ef415ef415ef415ef415ef415e</elem>
+-- <elem key="Compiled">Wed May 11 22:33:44 PDT 2011 by bob from unknown</elem>
+-- <elem key="Log">/logs/</elem>
+-- <elem key="namenode">namenode1.example.com/192.0.1.1:8020</elem>
+-- <elem key="Last Checkpoint">Wed May 11 22:33:44 PDT 2011</elem>
+-- <elem key="Checkpoint Period">3600 seconds</elem>
+-- <elem key="Checkpoint Size">12345678 MB</elem>
+
+author = "John R. Bond"
+license = "Simplified (2-clause) BSD license--See https://nmap.org/svn/docs/licenses/BSD-simplified"
+categories = {"default", "discovery", "safe"}
+
+
+portrule = function(host, port)
+ -- Run for the special port number, or for any HTTP-like service that is
+ -- not on a usual HTTP port.
+ return shortport.port_or_service ({50090}, "hadoop-secondary-namenode")(host, port)
+ or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port))
+end
+
+action = function( host, port )
+
+ local result = stdnse.output_table()
+ local uri = "/status.jsp"
+ stdnse.debug1("HTTP GET %s:%s%s", host.targetname or host.ip, port.number, uri)
+ local response = http.get( host, port, uri )
+ stdnse.debug1("Status %s",response['status-line'] or "No Resposne")
+ if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then
+ local body = response['body']:gsub("%%","%%%%")
+ local stats = {}
+ stdnse.debug2("Body %s\n",body)
+ -- Page isn't valid html :(
+ for i in string.gmatch(body,"\n[%w%s]+:%s+[^][\n]+") do
+ table.insert(stats,i:match(":%s+([^][\n]+)"))
+ end
+ if #stats == 5 then
+ stdnse.debug1("namenode %s",stats[1])
+ stdnse.debug1("Start %s",stats[2])
+ stdnse.debug1("Last Checkpoint %s",stats[3])
+ stdnse.debug1("Checkpoint Period %s",stats[4])
+ stdnse.debug1("Checkpoint Size %s",stats[5])
+ result["Start"] = stats[2]
+ end
+ if body:match("Version:%s*</td><td>([^][\n]+)") then
+ local version = body:match("Version:%s*</td><td>([^][\n]+)")
+ stdnse.debug1("Version %s",version)
+ result["Version"] = version
+ port.version.version = version
+ end
+ if body:match("Compiled:%s*</td><td>([^][\n]+)") then
+ local compiled = body:match("Compiled:%s*</td><td>([^][\n]+)")
+ stdnse.debug1("Compiled %s",compiled)
+ result["Compiled"] = compiled
+ end
+ if body:match("([^][\"]+)\">Logs") then
+ local logs = body:match("([^][\"]+)\">Logs")
+ stdnse.debug1("Logs %s",logs)
+ result["Logs"] = logs
+ end
+ if #stats == 5 then
+ result["Namenode"] = stats[1]
+ result["Last Checkpoint"] = stats[3]
+ result["Checkpoint Period"] = stats[4]
+ result["Checkpoint"] = stats[5]
+ end
+ if target.ALLOW_NEW_TARGETS then
+ if stats[1]:match("([^][/]+)") then
+ local newtarget = stats[1]:match("([^][/]+)")
+ stdnse.debug1("Added target: %s", newtarget)
+ local status,err = target.add(newtarget)
+ end
+ end
+ if #result > 0 then
+ port.version.name = "hadoop-secondary-namenode"
+ port.version.product = "Apache Hadoop"
+ nmap.set_port_version(host, port)
+ return result
+ end
+
+ end
+end