From 0d47952611198ef6b1163f366dc03922d20b1475 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 09:42:04 +0200
Subject: Adding upstream version 7.94+git20230807.3be01efb1+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 libdnet-stripped/src/eth-ndd.c | 117 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 libdnet-stripped/src/eth-ndd.c

(limited to 'libdnet-stripped/src/eth-ndd.c')

diff --git a/libdnet-stripped/src/eth-ndd.c b/libdnet-stripped/src/eth-ndd.c
new file mode 100644
index 0000000..7ac196c
--- /dev/null
+++ b/libdnet-stripped/src/eth-ndd.c
@@ -0,0 +1,117 @@
+/*
+ * eth-ndd.c
+ *
+ * Copyright (c) 2001 Dug Song <dugsong@monkey.org>
+ *
+ * $Id: eth-ndd.c 547 2005-01-25 21:30:40Z dugsong $
+ */
+
+#include "config.h"
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ndd_var.h>
+#include <sys/kinfo.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "dnet.h"
+
+struct eth_handle {
+	char	device[16];
+	int	fd;
+};
+
+eth_t *
+eth_open(const char *device)
+{
+	struct sockaddr_ndd_8022 sa;
+	eth_t *e;
+	
+	if ((e = calloc(1, sizeof(*e))) == NULL)
+		return (NULL);
+
+	if ((e->fd = socket(AF_NDD, SOCK_DGRAM, NDD_PROT_ETHER)) < 0)
+		return (eth_close(e));
+	
+	sa.sndd_8022_family = AF_NDD;
+        sa.sndd_8022_len = sizeof(sa);
+	sa.sndd_8022_filtertype = NS_ETHERTYPE;
+	sa.sndd_8022_ethertype = 0;
+	sa.sndd_8022_filterlen = sizeof(struct ns_8022);
+	strlcpy(sa.sndd_8022_nddname, device, sizeof(sa.sndd_8022_nddname));
+	
+	if (bind(e->fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
+		return (eth_close(e));
+	
+	if (connect(e->fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
+		return (eth_close(e));
+	
+	/* XXX - SO_BROADCAST needed? */
+	
+	return (e);
+}
+
+ssize_t
+eth_send(eth_t *e, const void *buf, size_t len)
+{
+	return (write(e->fd, buf, len));
+}
+
+eth_t *
+eth_close(eth_t *e)
+{
+	if (e != NULL) {
+		if (e->fd >= 0)
+			close(e->fd);
+		free(e);
+	}
+	return (NULL);
+}
+
+int
+eth_get(eth_t *e, eth_addr_t *ea)
+{
+	struct kinfo_ndd *nddp;
+	int size;
+	void *end;
+	
+	if ((size = getkerninfo(KINFO_NDD, 0, 0, 0)) == 0) {
+		errno = ENOENT;
+		return (-1);
+	} else if (size < 0)
+		return (-1);
+	
+	if ((nddp = malloc(size)) == NULL)
+		return (-1);
+                     
+	if (getkerninfo(KINFO_NDD, nddp, &size, 0) < 0) {
+		free(nddp);
+		return (-1);
+	}
+	for (end = (void *)nddp + size; (void *)nddp < end; nddp++) {
+		if (strcmp(nddp->ndd_alias, e->device) == 0 ||
+		    strcmp(nddp->ndd_name, e->device) == 0) {
+			memcpy(ea, nddp->ndd_addr, sizeof(*ea));
+		}
+	}
+	free(nddp);
+	
+	if ((void *)nddp >= end) {
+		errno = ESRCH;
+		return (-1);
+	}
+	return (0);
+}
+
+int
+eth_set(eth_t *e, const eth_addr_t *ea)
+{
+	errno = ENOSYS;
+	return (-1);
+}
-- 
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