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Diffstat (limited to 'scripts/hadoop-secondary-namenode-info.nse')
-rw-r--r-- | scripts/hadoop-secondary-namenode-info.nse | 122 |
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 |