1 files changed, 36 insertions, 0 deletions
diff --git a/libbb/create_icmp6_socket.c b/libbb/create_icmp6_socket.c
new file mode 100644
index 0000000..2065517
--- /dev/null
+++ b/libbb/create_icmp6_socket.c
@@ -0,0 +1,36 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * create raw socket for icmp (IPv6 version) protocol
+ * and drop root privileges if running setuid
+ */
+
+#include "libbb.h"
+
+#if ENABLE_FEATURE_IPV6
+int FAST_FUNC create_icmp6_socket(void)
+{
+	int sock;
+#if 0
+	struct protoent *proto;
+	proto = getprotobyname("ipv6-icmp");
+	/* if getprotobyname failed, just silently force
+	 * proto->p_proto to have the correct value for "ipv6-icmp" */
+	sock = socket(AF_INET6, SOCK_RAW,
+			(proto ? proto->p_proto : IPPROTO_ICMPV6));
+#else
+	sock = socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6);
+#endif
+	if (sock < 0) {
+		if (errno == EPERM)
+			bb_error_msg_and_die(bb_msg_perm_denied_are_you_root);
+		bb_perror_msg_and_die(bb_msg_can_not_create_raw_socket);
+	}
+
+	/* drop root privs if running setuid */
+	xsetuid(getuid());
+
+	return sock;
+}
+#endif