This change introduces a new CEL extension that provides types and functions for working with IP addresses and CIDR ranges. The extension defines net.IP and net.CIDR opaque types.

PiperOrigin-RevId: 849253064

Author: CEL Dev Team

common/BUILD

@@ -1138,3 +1138,36 @@ cc_test(
         "@com_google_absl//absl/strings",
     ],
 )
+
+cc_library(
+    name = "ipaddress_oss",
+    srcs = ["ipaddress_oss.cc"],
+    hdrs = ["ipaddress_oss.h"],
+    deps = [
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_absl//absl/log",
+        "@com_google_absl//absl/log:absl_check",
+        "@com_google_absl//absl/log:absl_log",
+        "@com_google_absl//absl/log:check",
+        "@com_google_absl//absl/numeric:int128",
+        "@com_google_absl//absl/status",
+        "@com_google_absl//absl/status:statusor",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/strings:str_format",
+    ],
+)
+
+cc_test(
+    name = "ipaddress_oss_test",
+    srcs = ["ipaddress_oss_test.cc"],
+    deps = [
+        ":ipaddress_oss",
+        "//internal:testing",
+        "@com_google_absl//absl/base:log_severity",
+        "@com_google_absl//absl/log:absl_check",
+        "@com_google_absl//absl/numeric:int128",
+        "@com_google_absl//absl/status",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/strings:str_format",
+    ],
+)