Merge pull request #3 from Falc/master

Add the "disable reverse DNS resolution" flag and a test case.

README.md

@@ -61,6 +61,13 @@ $nmap
     ->scan([ 'williamdurand.fr' ]);
 ```
 
+You can also disable the reverse DNS resolution with `disableReverseDNS()`:
+
+``` php
+$nmap
+    ->disableReverseDNS()
+    ->scan([ 'williamdurand.fr' ]);
+```
 
 Installation
 ------------

src/Nmap/Nmap.php

@@ -31,6 +31,8 @@ class Nmap
 
     private $disablePortScan   = false;
 
+    private $disableReverseDNS = false;
+
     /**
      * @return Nmap
      */
@@ -80,6 +82,10 @@ public function scan(array $targets, array $ports = array())
             $options[] = '-p '.implode(',', $ports);
         }
 
+        if (true === $this->disableReverseDNS) {
+            $options[] = '-n';
+        }
+
         $options[] = '-oX';
         $command   = sprintf('nmap %s %s %s',
             implode(' ', $options),
@@ -144,6 +150,18 @@ public function disablePortScan($disable = true)
         return $this;
     }
 
+    /**
+     * @param boolean $disable
+     *
+     * @return Nmap
+     */
+    public function disableReverseDNS($disable = true)
+    {
+        $this->disableReverseDNS = $disable;
+
+        return $this;
+    }
+
     private function parseOutputFile($xmlFile)
     {
         $xml = simplexml_load_file($xmlFile);

tests/Nmap/Tests/Fixtures/test_ping_without_reverse_dns.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<?xml-stylesheet href="file:///usr/bin/../share/nmap/nmap.xsl" type="text/xsl"?>
+<!-- Nmap 6.40 scan initiated Fri Nov  8 10:20:57 2013 as: nmap -n -oX tests/Nmap/Tests/Fixtures/test_ping_without_reverse_dns.xml williamdurand.fr -->
+<nmaprun scanner="nmap" args="nmap -n -oX tests/Nmap/Tests/Fixtures/test_ping_without_reverse_dns.xml williamdurand.fr" start="1383902457" startstr="Fri Nov  8 10:20:57 2013" version="6.40" xmloutputversion="1.04">
+<scaninfo type="connect" protocol="tcp" numservices="1000" services="1,3-4,6-7,9,13,17,19-26,30,32-33,37,42-43,49,53,70,79-85,88-90,99-100,106,109-111,113,119,125,135,139,143-144,146,161,163,179,199,211-212,222,254-256,259,264,280,301,306,311,340,366,389,406-407,416-417,425,427,443-445,458,464-465,481,497,500,512-515,524,541,543-545,548,554-555,563,587,593,616-617,625,631,636,646,648,666-668,683,687,691,700,705,711,714,720,722,726,749,765,777,783,787,800-801,808,843,873,880,888,898,900-903,911-912,981,987,990,992-993,995,999-1002,1007,1009-1011,1021-1100,1102,1104-1108,1110-1114,1117,1119,1121-1124,1126,1130-1132,1137-1138,1141,1145,1147-1149,1151-1152,1154,1163-1166,1169,1174-1175,1183,1185-1187,1192,1198-1199,1201,1213,1216-1218,1233-1234,1236,1244,1247-1248,1259,1271-1272,1277,1287,1296,1300-1301,1309-1311,1322,1328,1334,1352,1417,1433-1434,1443,1455,1461,1494,1500-1501,1503,1521,1524,1533,1556,1580,1583,1594,1600,1641,1658,1666,1687-1688,1700,1717-1721,1723,1755,1761,1782-1783,1801,1805,1812,1839-1840,1862-1864,1875,1900,1914,1935,1947,1971-1972,1974,1984,1998-2010,2013,2020-2022,2030,2033-2035,2038,2040-2043,2045-2049,2065,2068,2099-2100,2103,2105-2107,2111,2119,2121,2126,2135,2144,2160-2161,2170,2179,2190-2191,2196,2200,2222,2251,2260,2288,2301,2323,2366,2381-2383,2393-2394,2399,2401,2492,2500,2522,2525,2557,2601-2602,2604-2605,2607-2608,2638,2701-2702,2710,2717-2718,2725,2800,2809,2811,2869,2875,2909-2910,2920,2967-2968,2998,3000-3001,3003,3005-3007,3011,3013,3017,3030-3031,3052,3071,3077,3128,3168,3211,3221,3260-3261,3268-3269,3283,3300-3301,3306,3322-3325,3333,3351,3367,3369-3372,3389-3390,3404,3476,3493,3517,3527,3546,3551,3580,3659,3689-3690,3703,3737,3766,3784,3800-3801,3809,3814,3826-3828,3851,3869,3871,3878,3880,3889,3905,3914,3918,3920,3945,3971,3986,3995,3998,4000-4006,4045,4111,4125-4126,4129,4224,4242,4279,4321,4343,4443-4446,4449,4550,4567,4662,4848,4899-4900,4998,5000-5004,5009,5030,5033,5050-5051,5054,5060-5061,5080,5087,5100-5102,5120,5190,5200,5214,5221-5222,5225-5226,5269,5280,5298,5357,5405,5414,5431-5432,5440,5500,5510,5544,5550,5555,5560,5566,5631,5633,5666,5678-5679,5718,5730,5800-5802,5810-5811,5815,5822,5825,5850,5859,5862,5877,5900-5904,5906-5907,5910-5911,5915,5922,5925,5950,5952,5959-5963,5987-5989,5998-6007,6009,6025,6059,6100-6101,6106,6112,6123,6129,6156,6346,6389,6502,6510,6543,6547,6565-6567,6580,6646,6666-6669,6689,6692,6699,6779,6788-6789,6792,6839,6881,6901,6969,7000-7002,7004,7007,7019,7025,7070,7100,7103,7106,7200-7201,7402,7435,7443,7496,7512,7625,7627,7676,7741,7777-7778,7800,7911,7920-7921,7937-7938,7999-8002,8007-8011,8021-8022,8031,8042,8045,8080-8090,8093,8099-8100,8180-8181,8192-8194,8200,8222,8254,8290-8292,8300,8333,8383,8400,8402,8443,8500,8600,8649,8651-8652,8654,8701,8800,8873,8888,8899,8994,9000-9003,9009-9011,9040,9050,9071,9080-9081,9090-9091,9099-9103,9110-9111,9200,9207,9220,9290,9415,9418,9485,9500,9502-9503,9535,9575,9593-9595,9618,9666,9876-9878,9898,9900,9917,9929,9943-9944,9968,9998-10004,10009-10010,10012,10024-10025,10082,10180,10215,10243,10566,10616-10617,10621,10626,10628-10629,10778,11110-11111,11967,12000,12174,12265,12345,13456,13722,13782-13783,14000,14238,14441-14442,15000,15002-15004,15660,15742,16000-16001,16012,16016,16018,16080,16113,16992-16993,17877,17988,18040,18101,18988,19101,19283,19315,19350,19780,19801,19842,20000,20005,20031,20221-20222,20828,21571,22939,23502,24444,24800,25734-25735,26214,27000,27352-27353,27355-27356,27715,28201,30000,30718,30951,31038,31337,32768-32785,33354,33899,34571-34573,35500,38292,40193,40911,41511,42510,44176,44442-44443,44501,45100,48080,49152-49161,49163,49165,49167,49175-49176,49400,49999-50003,50006,50300,50389,50500,50636,50800,51103,51493,52673,52822,52848,52869,54045,54328,55055-55056,55555,55600,56737-56738,57294,57797,58080,60020,60443,61532,61900,62078,63331,64623,64680,65000,65129,65389"/>
+<verbose level="0"/>
+<debugging level="0"/>
+<host starttime="1383902457" endtime="1383902465"><status state="up" reason="conn-refused" reason_ttl="0"/>
+<address addr="204.232.175.78" addrtype="ipv4"/>
+<hostnames>
+<hostname name="williamdurand.fr" type="user"/>
+</hostnames>
+<ports><extraports state="filtered" count="996">
+<extrareasons reason="no-responses" count="996"/>
+</extraports>
+<port protocol="tcp" portid="22"><state state="open" reason="syn-ack" reason_ttl="0"/><service name="ssh" method="table" conf="3"/></port>
+<port protocol="tcp" portid="80"><state state="open" reason="syn-ack" reason_ttl="0"/><service name="http" method="table" conf="3"/></port>
+<port protocol="tcp" portid="113"><state state="closed" reason="conn-refused" reason_ttl="0"/><service name="ident" method="table" conf="3"/></port>
+<port protocol="tcp" portid="443"><state state="closed" reason="conn-refused" reason_ttl="0"/><service name="https" method="table" conf="3"/></port>
+</ports>
+<times srtt="120881" rttvar="16747" to="187869"/>
+</host>
+<runstats><finished time="1383902465" timestr="Fri Nov  8 10:21:05 2013" elapsed="8.05" summary="Nmap done at Fri Nov  8 10:21:05 2013; 1 IP address (1 host up) scanned in 8.05 seconds" exit="success"/><hosts up="1" down="0" total="1"/>
+</runstats>
+</nmaprun>

tests/Nmap/Tests/NmapTest.php

@@ -158,4 +158,22 @@ public function testPingScan()
             ->disablePortScan()
             ->scan(array('williamdurand.fr'));
     }
+
+    public function testScanWithoutReverseDNS()
+    {
+        $outputFile      = __DIR__ . '/Fixtures/test_ping_without_reverse_dns.xml';
+        $expectedCommand = sprintf("nmap -n -oX '%s' 'williamdurand.fr'", $outputFile);
+
+        $executor = $this->getMock('Nmap\Util\ProcessExecutor');
+        $executor
+            ->expects($this->once())
+            ->method('execute')
+            ->with($this->equalTo($expectedCommand))
+            ->will($this->returnValue(0));
+
+        $nmap  = new Nmap($executor, $outputFile);
+        $hosts = $nmap
+            ->disableReverseDNS()
+            ->scan(array('williamdurand.fr'));
+    }
 }