static void ProcessEC2SecurityGroupIngressFromTemplate(dynamic input, CFStack stack)
{
EC2SecurityGroupIngress sgi = new EC2SecurityGroupIngress();
var rule = input.Value["Properties"];
//FormatProtocol - Protocol could be a number or text (e.g. 6 or tcp)
sgi.IpProtocol = FormatProtocol(rule.IpProtocol.ToString());
//-------------------------------------------------------------------
//FormatPortRange - Port range could be 0-0 -1-1 0-65535
string from = "";
string to = "";
FormatPortRange(rule.FromPort.ToString(), rule.ToPort.ToString(), out from, out to);
sgi.FromPort = from;
sgi.ToPort = to;
//-------------------------------------------------------------------
sgi.CidrIp = rule.CidrIp;
if (rule.SourceSecurityGroupId != null)
{
if (rule.SourceSecurityGroupId != null)
{
var Ids = rule.SourceSecurityGroupId;
if (Ids.Value == null)
{
foreach (var Id in Ids)
{
sgi.SourceSecurityGroupId = Id.Value;
}
}
else
{
sgi.SourceSecurityGroupId = Ids.Value;
}
}
}
if (rule.GroupId != null)
{
sgi.GroupName = rule.GroupId["Ref"].Value;
EC2SecurityGroup x = stack.Resources.Find(n => n != null && n.LogicalId == rule.GroupId["Ref"].Value);
if (x != null)
{
x.Properties.SecurityGroupIngress.Add(sgi);
}
else
{
//TODO
//Either remember and process orphaned ingress rule
//Or write out to error log.
MessageBox.Show("Error", "Did not find security group " + sgi.GroupName + " to add ingress rule to", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private void CompareSecurityGroups(EC2SecurityGroup originalResource1, EC2SecurityGroup originalResource2, EC2SecurityGroup copyResource, CFStack copyStack)
{
List <EC2SecurityGroupIngress> compareList = copyResource.Properties.SecurityGroupIngress;
foreach (EC2SecurityGroupIngress x in originalResource1.Properties.SecurityGroupIngress)
{
var y = originalResource2.Properties.SecurityGroupIngress.Find(n => n != null && n.CidrIp == x.CidrIp && n.FromPort == x.FromPort && n.ToPort == x.ToPort && n.IpProtocol == x.IpProtocol && n.SourceSecurityGroupId == x.SourceSecurityGroupId);
if (y == null)
{
if (CompareRemoves == false)
{
var z = copyResource.Properties.SecurityGroupIngress.Find(n => n != null && n.CidrIp == x.CidrIp && n.FromPort == x.FromPort && n.ToPort == x.ToPort && n.IpProtocol == x.IpProtocol && n.SourceSecurityGroupId == x.SourceSecurityGroupId);
if (z != null)
{
z.StateChanged = true;
}
}
}
else
{
if (CompareRemoves == true)
{
var z = copyResource.Properties.SecurityGroupIngress.Find(n => n != null && n.CidrIp == x.CidrIp && n.FromPort == x.FromPort && n.ToPort == x.ToPort && n.IpProtocol == x.IpProtocol && n.SourceSecurityGroupId == x.SourceSecurityGroupId);
if (z != null)
{
copyResource.Properties.SecurityGroupIngress.Remove(z);
}
}
}
}
if (copyResource.Properties.SecurityGroupIngress.Count() == 0)
{
copyStack.Resources.Remove(copyResource);
}
}
private void WriteOutput(CFStack s, RichTextBox rtb, string source, string name)
{
rtb.Clear();
rtb.AppendText("Source: " + source); rtb.AppendText(Environment.NewLine);
rtb.AppendText("Name/Path: " + name); rtb.AppendText(Environment.NewLine); rtb.AppendText(Environment.NewLine);
rtb.AppendText("Decription: " + s.Description); rtb.AppendText(Environment.NewLine);
rtb.AppendText("Resources"); rtb.AppendText(Environment.NewLine);
foreach (var resource in s.Resources)
{
rtb.AppendText(tab1); rtb.AppendText(resource.LogicalId); rtb.AppendText(Environment.NewLine);
rtb.AppendText(tab2); rtb.AppendText("Type: " + resource.Type); rtb.AppendText(Environment.NewLine);
var properties = resource.Properties;
string type = resource.Type;
switch (type)
{
case "AWS::EC2::SecurityGroup":
EC2SecurityGroup group = (EC2SecurityGroup)resource;
rtb.AppendText(tab3); rtb.AppendText("Group Description: " + group.Properties.GroupDescription); rtb.AppendText(Environment.NewLine);
var rules = group.Properties.SecurityGroupIngress.OrderBy(a => a.IpProtocol).ThenBy(a => a.ToPort).ThenBy(a => a.FromPort).ThenBy(a => a.CidrIp).ThenBy(a => a.SourceSecurityGroupId);
foreach (var rule in rules)
{
if (rule.StateChanged == false)
{
rtb.AppendText(tab4);
}
else
{
rtb.AppendText(diffMarker); rtb.AppendText(tab3);
}
//Check if Protocol exists in Dictionary else use the number
if (Protocols.ContainsKey(rule.IpProtocol))
{
rtb.AppendText("Protocol: " + Protocols[rule.IpProtocol] + " (" + rule.IpProtocol + ") | ");
}
else
{
rtb.AppendText("Protocol: " + "Custom" + " (" + rule.IpProtocol + ") | ");
}
if (rule.FromPort.Equals(rule.ToPort, StringComparison.Ordinal))
{
rtb.AppendText("Port Range: " + rule.FromPort + " | ");
}
else
{
rtb.AppendText("Port Range: " + rule.FromPort + "-" + rule.ToPort + " | ");
}
if (rule.CidrIp != null)
{
rtb.AppendText("Source: " + rule.CidrIp);
}
else
{
rtb.AppendText("Source: " + rule.SourceSecurityGroupId);
}
rtb.AppendText(Environment.NewLine);
}
break;
case "AWS::EC2::NetworkAcl":
NetworkAcl acl = (NetworkAcl)resource;
rtb.AppendText(tab3); rtb.AppendText("VpcId: " + acl.Properties.VpcId); rtb.AppendText(Environment.NewLine);
var aclEntry = acl.Properties.NetworkAclEntry.OrderBy(a => a.Egress).ThenBy(a => a.RuleNumber);
bool egressDisplayed = false;
bool ingressDisplayed = false;
foreach (var rule in aclEntry)
{
//Rule #, Type, Protocol, Port Range, Source, Allow/Deny
if (rule.Egress == false && ingressDisplayed == false)
{
rtb.AppendText(tab4); rtb.AppendText("Inbound Rules"); rtb.AppendText(Environment.NewLine);
ingressDisplayed = true;
}
else if (rule.Egress == true && egressDisplayed == false)
{
rtb.AppendText(tab4); rtb.AppendText("Outbound Rules"); rtb.AppendText(Environment.NewLine);
egressDisplayed = true;
}
if (rule.StateChanged == false)
{
rtb.AppendText(tab5);
}
else
{
rtb.AppendText(diffMarker); rtb.AppendText(tab4);
}
rtb.AppendText("Rule: " + rule.RuleNumber + " | ");
//Check if Protocol exists in Dictionary else use the number
if (Protocols.ContainsKey(rule.Protocol))
{
rtb.AppendText("Protocol: " + Protocols[rule.Protocol] + " (" + rule.Protocol + ") | ");
}
else
{
rtb.AppendText("Protocol: " + "Custom" + " (" + rule.Protocol + ") | ");
}
//ALL ports could be 0-0 or -1 or 0-65535
if (rule.FromPort.Equals(rule.ToPort, StringComparison.Ordinal))
{
if ((rule.FromPort == "0" && rule.ToPort == "0") || (rule.FromPort == "-1" && rule.ToPort == "-1"))
{
rtb.AppendText("Port Range: ALL | ");
}
else
{
rtb.AppendText("Port Range: " + rule.FromPort + " | ");
}
}
else
{
if (rule.FromPort == "0" && rule.ToPort == "65535")
{
rtb.AppendText("Port Range: ALL | ");
}
else
{
rtb.AppendText("Port Range: " + rule.FromPort + "-" + rule.ToPort + " | ");
}
}
rtb.AppendText("Source: " + rule.CidrBlock + " | ");
rtb.AppendText("Allow/Deny: " + rule.RuleAction.ToUpper());
rtb.AppendText(Environment.NewLine);
}
break;
}
rtb.AppendText(Environment.NewLine);
}
// Highlight Textbox Lines
for (int i = 0; i < rtb.Lines.Length; i++)
{
if (rtb.Lines[i].Contains("*"))
{
int selectionStart = rtb.GetFirstCharIndexFromLine(i);
int selectionEnd = rtb.Lines[i].Count();
rtb.SelectionStart = selectionStart;
rtb.SelectionLength = selectionEnd;
rtb.SelectionBackColor = System.Drawing.Color.Yellow;
}
}
}
public static void ProcessEC2SecurityGroupFromAWS(StackResourceSummary resource, CFStack stack, AmazonEC2Client ec2Client, Dictionary <string, string> secGroupMap, string stackName)
{
DescribeSecurityGroupsRequest secGroupRequest = new DescribeSecurityGroupsRequest();
//Set request to use Phisical Id
secGroupRequest.GroupIds = new List <string> {
resource.PhysicalResourceId
};
//Attempt to get security group using physical Id
DescribeSecurityGroupsResponse response = GetSecurityGroup(ec2Client, secGroupRequest);
if (response == null)
{
//Set request to use Logical Id and Stack Name Tags
secGroupRequest.GroupIds.Clear();
List <Filter> f = new List <Filter>();
f.Add(new Filter {
Name = "tag:aws:cloudformation:logical-id", Values = new List <string>()
{
resource.LogicalResourceId
}
});
f.Add(new Filter {
Name = "tag:aws:cloudformation:stack-name", Values = new List <string>()
{
stackName
}
});
secGroupRequest.Filters = f;
//Attempt to get security group using logical Id
response = GetSecurityGroup(ec2Client, secGroupRequest);
}
if (response == null | response.SecurityGroups.Count == 0)
{
return;
}
foreach (SecurityGroup group in response.SecurityGroups)
{
EC2SecurityGroup sg = new EC2SecurityGroup();
sg.LogicalId = resource.LogicalResourceId;
if (log)
{
Utils.WriteToFile(logFile, "AWS SG: " + sg.LogicalId.ToString(), true);
}
sg.Type = "AWS::EC2::SecurityGroup";
sg.Properties.GroupDescription = group.Description;
sg.Properties.VpcId = group.VpcId;
foreach (IpPermission perms in group.IpPermissions)
{
for (int i = 0; i < perms.IpRanges.Count; i++)
{
EC2SecurityGroupIngress sgi = new EC2SecurityGroupIngress();
//FormatProtocol - Protocol could be a number or text (e.g. 6 or tcp)
sgi.IpProtocol = FormatProtocol(perms.IpProtocol);
//--------------------------------------------------------------------
//FormatPortRange - Port range could be 0-0 -1-1 0-65535
string from = "";
string to = "";
FormatPortRange(perms.FromPort.ToString(), perms.ToPort.ToString(), out from, out to);
sgi.FromPort = from;
sgi.ToPort = to;
//------------------------------------------------------
sgi.CidrIp = perms.IpRanges[i];
sg.Properties.SecurityGroupIngress.Add(sgi);
if (log)
{
Utils.WriteToFile(logFile, " Protocol: " + perms.IpProtocol + " | From: " + perms.FromPort.ToString() + " To: " + perms.ToPort.ToString(), true);
}
}
for (int i = 0; i < perms.UserIdGroupPairs.Count; i++)
{
EC2SecurityGroupIngress sgi = new EC2SecurityGroupIngress();
//FormatProtocol - Protocol could be a number or text (e.g. 6 or tcp)
sgi.IpProtocol = FormatProtocol(perms.IpProtocol);
//--------------------------------------------------------------------
//FormatPortRange - Port range could be 0-0 -1-1 0-65535
string from = "";
string to = "";
FormatPortRange(perms.FromPort.ToString(), perms.ToPort.ToString(), out from, out to);
sgi.FromPort = from;
sgi.ToPort = to;
//-------------------------------------------------------
sg.Properties.SecurityGroupIngress.Add(sgi);
string groupName;
if (secGroupMap.TryGetValue(perms.UserIdGroupPairs[i].GroupId, out groupName))
{
sgi.SourceSecurityGroupId = groupName;
}
else
{
sgi.SourceSecurityGroupId = perms.UserIdGroupPairs[i].GroupId;
}
if (log)
{
Utils.WriteToFile(logFile, " Protocol: " + perms.IpProtocol + " | From: " + perms.FromPort.ToString() + " To: " + perms.ToPort.ToString(), true);
}
}
}
stack.Resources.Add(sg);
}
}
static void ProcessEC2SecurityGroupFromTemplate(dynamic input, CFStack stack)
{
EC2SecurityGroup sg = new EC2SecurityGroup();
sg.LogicalId = input.Name;
sg.Type = "AWS::EC2::SecurityGroup";
var props = input.Value["Properties"];
foreach (var prop in props)
{
//Attempt to deal with values that are calculated using CloudFormation functions like Join.
if (prop.Value.ToString().Contains("Fn::"))
{
prop.Value = "Calulated value";
}
switch ((string)prop.Name)
{
case "GroupDescription":
sg.Properties.GroupDescription = prop.Value.ToString();
break;
case "VpcId":
var a = prop.Value;
sg.Properties.VpcId = a.Value;
break;
case "Tags":
break;
case "SecurityGroupIngress":
var ingressRules = prop.Value;
foreach (var rule in ingressRules)
{
EC2SecurityGroupIngress sgi = new EC2SecurityGroupIngress();
//FormatProtocol - Protocol could be a number or text (e.g. 6 or tcp)
sgi.IpProtocol = FormatProtocol(rule.IpProtocol.ToString());
//-------------------------------------------------------------------
//FormatPortRange - Port range could be 0-0 -1-1 0-65535
string from = "";
string to = "";
FormatPortRange(rule.FromPort.ToString(), rule.ToPort.ToString(), out from, out to);
sgi.FromPort = from;
sgi.ToPort = to;
//-------------------------------------------------------
sgi.CidrIp = rule.CidrIp;
if (rule.SourceSecurityGroupId != null)
{
var Ids = rule.SourceSecurityGroupId;
foreach (var Id in Ids)
{
sgi.SourceSecurityGroupId = Id.Value;
}
}
sg.Properties.SecurityGroupIngress.Add(sgi);
}
break;
}
}
stack.Resources.Add(sg);
}
