From: Vinit Agnihotri <vagnihotri@ddn.com>
Date: Tue, 20 Feb 2024 10:40:13 +0000 (-0800)
Subject: lib-interface: Add new API to validate interface info for given interface index
X-Git-Tag: tdb-1.4.11~1098
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=961104262c6209be13cd29a67b3e323999cc5b4e;p=thirdparty%2Fsamba.git

lib-interface: Add new API to validate interface info for given interface index

Signed-off-by: Vinit Agnihotri <vagnihotri@ddn.com>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
---

diff --git a/source3/lib/interface.c b/source3/lib/interface.c
index beb100398b8..c586e97e741 100644
--- a/source3/lib/interface.c
+++ b/source3/lib/interface.c
@@ -719,3 +719,20 @@ bool interfaces_changed(void)
 	TALLOC_FREE(ifaces);
 	return ret;
 }
+
+/****************************************************************************
+ Return True if interface exists for given interface index
+**************************************************************************/
+
+bool interface_ifindex_exists(int if_index)
+{
+	struct interface *i;
+
+	for (i = local_interfaces; i != NULL; i = i->next) {
+		if (i->if_index == if_index) {
+			return true;
+		}
+	}
+
+	return false;
+}
diff --git a/source3/lib/interface.h b/source3/lib/interface.h
index f45435b4a81..1a575c5f22b 100644
--- a/source3/lib/interface.h
+++ b/source3/lib/interface.h
@@ -42,5 +42,6 @@ bool iface_local(const struct sockaddr *ip);
 void load_interfaces(void);
 void gfree_interfaces(void);
 bool interfaces_changed(void);
+bool interface_ifindex_exists(int if_index);
 
 #endif /* _INTERFACE_H */