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a084340b6d
stdnse.print_debug accepts a format string and arguments, making
string.format redundant in calls of this form:
stdnse.print_debug(1, string.format("%s: error", SCRIPT_NAME))
stdnse.print_debug(("length %d"):format(#tab))
These can be rewritten as:
stdnse.print_debug(1, "%s: error", SCRIPT_NAME)
stdnse.print_debug("length %d", #tab)
101 lines
4.0 KiB
Lua
101 lines
4.0 KiB
Lua
local http = require "http"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local table = require "table"
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local target = require "target"
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description = [[
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Retrieves information from an Apache HBase (Hadoop database) region server HTTP status page.
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Information gathered:
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* HBase version
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* HBase compile date
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* A bunch of metrics about the state of the region server
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* Zookeeper quorum server
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For more information about Hbase, see:
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* http://hbase.apache.org/
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* http://wiki.apache.org/hadoop/Hbase
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]]
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---
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-- @usage
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-- nmap --script hbase-region-info -p 60030 host
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 60030/tcp open hbase-region syn-ack
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-- | hbase-region-info:
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-- | Hbase Version: 0.90.1
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-- | Hbase Compiled: Wed May 11 22:33:44 PDT 2011, bob
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-- | Metrics requests=0, regions=0, stores=0, storefiles=0, storefileIndexSize=0, memstoreSize=0,
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-- | compactionQueueSize=0, flushQueueSize=0, usedHeap=0, maxHeap=0, blockCacheSize=0,
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-- | blockCacheFree=0, blockCacheCount=0, blockCacheHitCount=0, blockCacheMissCount=0,
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-- | blockCacheEvictedCount=0, blockCacheHitRatio=0, blockCacheHitCachingRatio=0
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-- |_ Zookeeper Quorum: zookeeper.example.com:2181
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---
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author = "John R. Bond"
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license = "Simplified (2-clause) BSD license--See http://nmap.org/svn/docs/licenses/BSD-simplified"
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categories = {"default", "discovery", "safe"}
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portrule = function(host, port)
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-- Run for the special port number, or for any HTTP-like service that is
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-- not on a usual HTTP port.
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return shortport.port_or_service ({60030}, "hbase-region")(host, port)
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or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port))
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end
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action = function( host, port )
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local result = {}
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local region_servers = {}
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-- uri was previously "/regionserver.jsp". See
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-- http://seclists.org/nmap-dev/2012/q3/903.
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local uri = "/rs-status"
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stdnse.print_debug(1, "%s:HTTP GET %s:%s%s", SCRIPT_NAME, host.targetname or host.ip, port.number, uri)
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local response = http.get( host, port, uri )
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stdnse.print_debug(1, "%s: Status %s", SCRIPT_NAME,response['status-line'] or "No Response")
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if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then
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local body = response['body']:gsub("%%","%%%%")
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stdnse.print_debug(2, "%s: Body %s\n", SCRIPT_NAME,body)
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if body:match("HBase%s+Version</td><td>([^][<]+)") then
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local version = body:match("HBase%s+Version</td><td>([^][<]+)"):gsub("%s+", " ")
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stdnse.print_debug(1, "%s:Hbase Version %s", SCRIPT_NAME,version)
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table.insert(result, ("Hbase Version: %s"):format(version))
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port.version.version = version
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end
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if body:match("HBase%s+Compiled</td><td>([^][<]+)") then
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local compiled = body:match("HBase%s+Compiled</td><td>([^][<]+)"):gsub("%s+", " ")
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stdnse.print_debug(1, "%s: Hbase Compiled %s", SCRIPT_NAME,compiled)
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table.insert(result, ("Hbase Compiled: %s"):format(compiled))
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end
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if body:match("Metrics</td><td>([^][<]+)") then
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local metrics = body:match("Metrics</td><td>([^][<]+)"):gsub("%s+", " ")
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stdnse.print_debug(1, "%s: Metrics %s", SCRIPT_NAME,metrics)
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table.insert(result, ("Metrics %s"):format(metrics))
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end
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if body:match("Quorum</td><td>([^][<]+)") then
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local quorum = body:match("Quorum</td><td>([^][<]+)"):gsub("%s+", " ")
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stdnse.print_debug(1, "%s: Zookeeper Quorum %s", SCRIPT_NAME,quorum)
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table.insert(result, ("Zookeeper Quorum: %s"):format(quorum))
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if target.ALLOW_NEW_TARGETS then
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if quorum:match("([%w%.]+)") then
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local newtarget = quorum:match("([%w%.]+)")
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stdnse.print_debug(1, "%s: Added target: %s", SCRIPT_NAME, newtarget)
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local status,err = target.add(newtarget)
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end
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end
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end
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if #result > 0 then
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port.version.name = "hbase-region"
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port.version.product = "Apache Hadoop Hbase"
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nmap.set_port_version(host, port)
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end
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return stdnse.format_output(true, result)
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end
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end
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