X-Git-Url: http://www.project-moonshot.org/gitweb/?p=mech_eap.git;a=blobdiff_plain;f=libeap%2Fsrc%2Fap%2Fvlan_ioctl.c;fp=libeap%2Fsrc%2Fap%2Fvlan_ioctl.c;h=987b612e1d9f8ab608dc30fffe761e8b4c3cb7cf;hp=0000000000000000000000000000000000000000;hb=f3746d009c6d7f50025af1f58a85e5fee9680be6;hpb=244f18d04aaf29e68495b5ffeb40ef5cca50942f

diff --git a/libeap/src/ap/vlan_ioctl.c b/libeap/src/ap/vlan_ioctl.c
new file mode 100644
index 0000000..987b612
--- /dev/null
+++ b/libeap/src/ap/vlan_ioctl.c
@@ -0,0 +1,155 @@
+/*
+ * hostapd / VLAN ioctl API
+ * Copyright 2003, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+#include <sys/ioctl.h>
+
+#include "utils/common.h"
+#include "common/linux_vlan.h"
+#include "vlan_util.h"
+
+
+int vlan_rem(const char *if_name)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_rem(%s)", if_name);
+	if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
+		wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
+			   if_name);
+		return -1;
+	}
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
+	if_request.cmd = DEL_VLAN_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: DEL_VLAN_CMD failed for %s: "
+			   "%s", __func__, if_name, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+/*
+	Add a vlan interface with VLAN ID 'vid' and tagged interface
+	'if_name'.
+
+	returns -1 on error
+	returns 1 if the interface already exists
+	returns 0 otherwise
+*/
+int vlan_add(const char *if_name, int vid, const char *vlan_if_name)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_add(if_name=%s, vid=%d)",
+		   if_name, vid);
+	ifconfig_up(if_name);
+
+	if ((os_strlen(if_name) + 1) > sizeof(if_request.device1)) {
+		wpa_printf(MSG_ERROR, "VLAN: Interface name too long: '%s'",
+			   if_name);
+		return -1;
+	}
+
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
+			   "failed: %s", __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	/* Determine if a suitable vlan device already exists. */
+
+	os_snprintf(if_request.device1, sizeof(if_request.device1), "vlan%d",
+		    vid);
+
+	if_request.cmd = GET_VLAN_VID_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
+	    if_request.u.VID == vid) {
+		if_request.cmd = GET_VLAN_REALDEV_NAME_CMD;
+
+		if (ioctl(fd, SIOCSIFVLAN, &if_request) == 0 &&
+		    os_strncmp(if_request.u.device2, if_name,
+			       sizeof(if_request.u.device2)) == 0) {
+			close(fd);
+			wpa_printf(MSG_DEBUG,
+				   "VLAN: vlan_add: if_name %s exists already",
+				   if_request.device1);
+			return 1;
+		}
+	}
+
+	/* A suitable vlan device does not already exist, add one. */
+
+	os_memset(&if_request, 0, sizeof(if_request));
+	os_strlcpy(if_request.device1, if_name, sizeof(if_request.device1));
+	if_request.u.VID = vid;
+	if_request.cmd = ADD_VLAN_CMD;
+
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR,
+			   "VLAN: %s: ADD_VLAN_CMD failed for %s: %s",
+			   __func__, if_request.device1, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}
+
+
+int vlan_set_name_type(unsigned int name_type)
+{
+	int fd;
+	struct vlan_ioctl_args if_request;
+
+	wpa_printf(MSG_DEBUG, "VLAN: vlan_set_name_type(name_type=%u)",
+		   name_type);
+	if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		wpa_printf(MSG_ERROR,
+			   "VLAN: %s: socket(AF_INET,SOCK_STREAM) failed: %s",
+			   __func__, strerror(errno));
+		return -1;
+	}
+
+	os_memset(&if_request, 0, sizeof(if_request));
+
+	if_request.u.name_type = name_type;
+	if_request.cmd = SET_VLAN_NAME_TYPE_CMD;
+	if (ioctl(fd, SIOCSIFVLAN, &if_request) < 0) {
+		wpa_printf(MSG_ERROR,
+			   "VLAN: %s: SET_VLAN_NAME_TYPE_CMD name_type=%u failed: %s",
+			   __func__, name_type, strerror(errno));
+		close(fd);
+		return -1;
+	}
+
+	close(fd);
+	return 0;
+}