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Find hard-coded private IPv4 addresses

org.openrewrite.text.FindHardcodedPrivateIPAddresses

Locates mentions of hard-coded IPv4 addresses from private IP ranges.

Recipe source

This recipe is only available to users of Moderne.

This recipe is available under the Moderne Proprietary License.

Examples

Example 1
Before
class Test {
void ipTest() {
String privateAddress1 = "10.10.20.20";
String privateAddress2 = "192.168.20.20";
String privateAddress3 = "172.16.20.20";
String wordBoundaries = "1000000192.168.1.1aaa";
String nonPrivate = "1.1.1.1";
String nonAddress = "256.0.0.0";
String springVersion = "5.2.2";
String adding = "4.3+4.5";
// address in a comment: 10.1.2.3
// address in a comment: 192.168.2.3
// address in a comment: 172.16.2.3
String date = "30.11.2017";
String ikeaProduct = "805.721.99";
}
}
After
class Test {
void ipTest() {
String privateAddress1 = "~~>10.10.20.20";
String privateAddress2 = "~~>192.168.20.20";
String privateAddress3 = "~~>172.16.20.20";
String wordBoundaries = "1000000192.168.1.1aaa";
String nonPrivate = "1.1.1.1";
String nonAddress = "256.0.0.0";
String springVersion = "5.2.2";
String adding = "4.3+4.5";
// address in a comment: ~~>10.1.2.3
// address in a comment: ~~>192.168.2.3
// address in a comment: ~~>172.16.2.3
String date = "30.11.2017";
String ikeaProduct = "805.721.99";
}
}

Example 2
Before
class Test {
void ipTest() {
String privateAddress1 = "10.10.20.20";
String privateAddress2 = "192.168.20.20";
String privateAddress3 = "172.16.20.20";
String wordBoundaries = "1000000192.168.1.1aaa";
String nonPrivate = "1.1.1.1";
String nonAddress = "256.0.0.0";
String springVersion = "5.2.2";
String adding = "4.3+4.5";
// address in a comment: 10.1.2.3
// address in a comment: 192.168.2.3
// address in a comment: 172.16.2.3
String date = "30.11.2017";
String ikeaProduct = "805.721.99";
}
}
After
class Test {
void ipTest() {
String privateAddress1 = "~~>10.10.20.20";
String privateAddress2 = "~~>192.168.20.20";
String privateAddress3 = "~~>172.16.20.20";
String wordBoundaries = "1000000192.168.1.1aaa";
String nonPrivate = "1.1.1.1";
String nonAddress = "256.0.0.0";
String springVersion = "5.2.2";
String adding = "4.3+4.5";
// address in a comment: ~~>10.1.2.3
// address in a comment: ~~>192.168.2.3
// address in a comment: ~~>172.16.2.3
String date = "30.11.2017";
String ikeaProduct = "805.721.99";
}
}

Usage

This recipe has no required configuration options. Users of Moderne can run it via the Moderne CLI:

You will need to have configured the Moderne CLI on your machine before you can run the following command.

shell
mod run . --recipe FindHardcodedPrivateIPAddresses

If the recipe is not available locally, then you can install it using:

mod config recipes jar install org.openrewrite.recipe:rewrite-java-security:3.7.0

See how this recipe works across multiple open-source repositories

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Data Tables

Source files that had results

org.openrewrite.table.SourcesFileResults

Source files that were modified by the recipe run.

Column NameDescription
Source path before the runThe source path of the file before the run. null when a source file was created during the run.
Source path after the runA recipe may modify the source path. This is the path after the run. null when a source file was deleted during the run.
Parent of the recipe that made changesIn a hierarchical recipe, the parent of the recipe that made a change. Empty if this is the root of a hierarchy or if the recipe is not hierarchical at all.
Recipe that made changesThe specific recipe that made a change.
Estimated time savingAn estimated effort that a developer to fix manually instead of using this recipe, in unit of seconds.
CycleThe recipe cycle in which the change was made.