dShield<\/a> current watchlist.<\/p>\n#! \/usr\/bin\/env python\n# ------------------------------------------------\n# asncheck:\n# retrieves the current dshield watchlist for\n# a given AS, returning just the IP addresses.\n# sample url:\n# https:\/\/secure.dshield.org\/asdetailsascii.html?as=123\n# ------------------------------------------------\n# written by:\n# jason ross (algorythm@gmail.com)\n# ------------------------------------------------\nimport sys\n\ndef main():\n # here beginneth the script\n opts = parmsdealer()\n\n if (opts.verbose == 1):\n print \"nRetrieving information for AS Number \" + opts.asn + \":n\"\n\n if (opts.infile):\n try:\n filedata = open(opts.infile, 'rU')\n except IOError:\n print \"unable to open input file '\" + opts.infile + \"'n\"\n sys.exit(1)\n except:\n print \"Unexpected error:\", sys.exc_info()[0]\n sys.exit(1)\n else:\n for line in filedata:\n print line\n asn = line.split(opts.delim, 3)[int(opts.col)]\n\n if (opts.asn):\n asn = opts.asn\n\n dshield(asn, opts.verbose)\n\n #print '{0}.{1}.{2}.{3}'.format(oct1.zfill(3),oct2.zfill(3),oct3.zfill(3),oct4.zfill(3))\n\n\ndef parmsdealer():\n import sys\n from optparse import OptionParser\n version=\"nasncheck: version 0.1nauthor: jason ross <algorythm@gmail.com>n\"\n usage=\"nn%prog [OPTIONS]n\"\n parser = OptionParser(usage=usage, version=version)\n\n # set up command line arguments\n parser.set_defaults(col=0)\n parser.set_defaults(delim=\"|\")\n parser.set_defaults(verbose=0)\n\n parser.add_option(\"-v\", \"--verbose\", dest=\"verbose\",\n action=\"store_true\", help=\"turn on\/off verbosity (default: off)\")\n parser.add_option(\"-a\", \"--asn\", dest=\"asn\",\n action=\"store\", help=\"specify the AS to retrieve data for (just the number, or with 'AS' prepended)\")\n parser.add_option(\"-f\", \"--infile\", dest=\"infile\",\n action=\"store\", help=\"get the AS from the specified file (can be a list)\")\n parser.add_option(\"-c\", \"--col\", dest=\"col\",\n action=\"store\", help=\"[required with -f] specifies which column in an input file contains the AS (default is to use the first column: '0')\")\n parser.add_option(\"-d\", \"--delim\", dest=\"delim\",\n action=\"store\", help=\"[required with -f] specifies the delimiter to use when parsing the input file (default is to use the ASCII pipe character (0x7c): '|')\")\n\n # process command line arguments\n (options, args) = parser.parse_args()\n\n # exit if we're missing options\n if (not options.asn and not options.infile):\n print \"n\" + sys.argv[0] + \": missing parameter(s)n\"\n parser.print_help()\n print \"n\"\n sys.exit(1)\n\n # exit if we've got conflicting options\n if (options.asn and options.infile):\n print \"n\" + sys.argv[0] + \": can't set both an asn and an input file (there can be only one!)n\"\n parser.print_help()\n print \"n\"\n sys.exit(1)\n\n return options\n\n\ndef dshield(asn, verbose):\n import socket\n import urllib\n import urllib2\n import re\n\n # urllib2 calls socket, so we can set the timeout here\n timeout = 5\n socket.setdefaulttimeout(timeout)\n\n baseuri = 'https:\/\/secure.dshield.org\/asdetailsascii.html'\n\n params = {}\n params['as'] = asn\n encparams = urllib.urlencode(params)\n\n requri = baseuri + '?' + encparams\n req = urllib2.Request(requri)\n\n if (verbose == 1):\n print \"opening \" + requri + \"n\"\n\n try:\n res = urllib2.urlopen(req)\n except urllib2.URLError, e:\n if hasattr(e, \"code\"):\n print \"site borked! HTTP error: \"\n print e.code\n elif hasattr(e, \"reason\"):\n print \"server borked! reason: \"\n print e.reason\n else:\n data = res.readlines()\n# print data\n for line in data:\n if ( re.match(r\"[0-9]\", line) ):\n ip = line.split()\n print ip[0]\n\n\nif __name__ == \"__main__\":\n main()<\/pre>\n","protected":false},"excerpt":{"rendered":"While working on a project today I decided that it would be handy to have a script that could…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[25,42,56],"class_list":["post-41","post","type-post","status-publish","format-standard","hentry","category-tech","tag-ir","tag-net","tag-tools"],"_links":{"self":[{"href":"https:\/\/freezion.com\/index.php?rest_route=\/wp\/v2\/posts\/41","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freezion.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/freezion.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/freezion.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freezion.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=41"}],"version-history":[{"count":0,"href":"https:\/\/freezion.com\/index.php?rest_route=\/wp\/v2\/posts\/41\/revisions"}],"wp:attachment":[{"href":"https:\/\/freezion.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/freezion.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/freezion.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}