From 7435c1d0c2f2eadb7d0a851c05904657862a6bdd Mon Sep 17 00:00:00 2001
From: binary1985 <joshua.alan.platz@gmail.com>
Date: Tue, 19 Mar 2019 10:39:01 -0500
Subject: [PATCH] Create rem_tag_hosts_by_cidr.js

---
 rem_tag_hosts_by_cidr.js | 58 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 rem_tag_hosts_by_cidr.js

diff --git a/rem_tag_hosts_by_cidr.js b/rem_tag_hosts_by_cidr.js
new file mode 100644
index 0000000..57e733b
--- /dev/null
+++ b/rem_tag_hosts_by_cidr.js
@@ -0,0 +1,58 @@
+function remTagHostsByCIDR (tag, net) {
+  // Remove a tag to hosts in a given cidr.
+  //
+  // Created by: James Cook with minor change by Joshua Platz
+  // borrowed a lot from: https://github.com/lair-framework/browser-scripts/blob/master/get_hosts_by_cidr.js
+  // Usage: tagHostsByCIDR('tagname', 'x.x.x.x/x')
+  //
+  var hostTargets = []
+  var hosts = Hosts.find({
+    projectId: Session.get('projectId')
+  }).fetch()
+  var hostip = {}
+
+
+  function addHostTag (hostId, tag) {
+  check(hostId, Matchers.isObjectId)
+  check(tag, Matchers.isNonEmptyString)
+  return Hosts.update({
+    _id: hostId
+  }, {
+    $pull: {
+      tags: tag
+    },
+    $set: {
+      lastModifiedBy: Meteor.user().emails[0].address
+    }
+  })
+  }
+
+  function dec2Bin (octet, cidr) {
+    var pad = '00000000'
+    var bin = parseInt(octet[0], 10).toString(2)
+    var bincidr = (bin.length >= pad.length ? bin : pad.slice(0, pad.length - bin.length) + bin)
+
+    for (var i = 1; i <= octet.length; i++) {
+      bin = parseInt(octet[i], 10).toString(2)
+      bincidr += (bin.length >= pad.length ? bin : pad.slice(0, pad.length - bin.length) + bin)
+    }
+
+    return bincidr.slice(0, parseInt(cidr, 10))
+  }
+
+  hosts.forEach(function (host) {
+    var ip = host.ipv4.split('.')
+    hostip[dec2Bin(ip, 32)] = host
+  })
+
+  cidr = net.split('/')
+  var net = cidr[0].split('.')
+  var netbin = dec2Bin(net, cidr[1])
+
+  for (var key in hostip) {
+    if ((key.slice(0, parseInt(cidr[1], 10))) === netbin) {
+      addHostTag(hostip[key]._id, tag)
+      console.log(hostip[key]._id, tag)
+    }
+  }
+}