1 files changed, 33 insertions, 0 deletions
diff --git a/generalresearch/models/network/rdns/command.py b/generalresearch/models/network/rdns/command.py
new file mode 100644
index 0000000..e9d5bfd
--- /dev/null
+++ b/generalresearch/models/network/rdns/command.py
@@ -0,0 +1,33 @@
+import subprocess
+
+from generalresearch.models.network.rdns.parser import parse_rdns_output
+from generalresearch.models.network.rdns.result import RDNSResult
+
+
+def run_rdns(ip: str) -> RDNSResult:
+    args = build_rdns_command(ip).split(" ")
+    proc = subprocess.run(
+        args,
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    raw = proc.stdout.strip()
+    return parse_rdns_output(ip, raw)
+
+
+def build_rdns_command(ip: str):
+    # e.g. dig +noall +answer -x 1.2.3.4
+    return " ".join(["dig", "+noall", "+answer", "-x", ip])
+
+
+def get_dig_version() -> str:
+    proc = subprocess.run(
+        ["dig", "-v"],
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    # e.g. DiG 9.18.39-0ubuntu0.22.04.2-Ubuntu
+    ver_str = proc.stderr.strip()
+    return ver_str.split("-", 1)[0].split(" ", 1)[1]