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vlan: Move ifconfig helpers to a separate file

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This removes final ioctl() use within vlan_init.c.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-03-25 17:56:07 +02:00
parent 59d6390440
commit 7c03c08229
4 changed files with 68 additions and 50 deletions
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1
hostapd/Android.mk
View File

@ -175,6 +175,7 @@ ifdef CONFIG_NO_VLAN
L_CFLAGS += -DCONFIG_NO_VLAN
else
OBJS += src/ap/vlan_init.c
OBJS += src/ap/vlan_ifconfig.c
OBJS += src/ap/vlan.c
ifdef CONFIG_FULL_DYNAMIC_VLAN
# Define CONFIG_FULL_DYNAMIC_VLAN to have hostapd manipulate bridges

1
hostapd/Makefile
View File

@ -194,6 +194,7 @@ ifdef CONFIG_NO_VLAN
CFLAGS += -DCONFIG_NO_VLAN
else
OBJS += ../src/ap/vlan_init.o
OBJS += ../src/ap/vlan_ifconfig.o
OBJS += ../src/ap/vlan.o
ifdef CONFIG_FULL_DYNAMIC_VLAN
# Define CONFIG_FULL_DYNAMIC_VLAN to have hostapd manipulate bridges

63
src/ap/vlan_ifconfig.c Normal file
View File

@ -0,0 +1,63 @@
/*
* hostapd / VLAN ifconfig helpers
* 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 <net/if.h>
#include <sys/ioctl.h>
#include "utils/common.h"
#include "vlan_util.h"
int ifconfig_helper(const char *if_name, int up)
{
int fd;
struct ifreq ifr;
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(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
"for interface %s: %s",
__func__, if_name, strerror(errno));
close(fd);
return -1;
}
if (up)
ifr.ifr_flags |= IFF_UP;
else
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
"for interface %s (up=%d): %s",
__func__, if_name, up, strerror(errno));
close(fd);
return -1;
}
close(fd);
return 0;
}
int ifconfig_up(const char *if_name)
{
wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
return ifconfig_helper(if_name, 1);
}

53
src/ap/vlan_init.c
View File

@ -9,6 +9,9 @@
*/
#include "utils/includes.h"
#include <net/if.h>
/* Avoid conflicts due to NetBSD net/if.h if_type define with driver.h */
#undef if_type
#include "utils/common.h"
#include "hostapd.h"
@ -18,56 +21,6 @@
#include "vlan_init.h"
#include "vlan_util.h"
#include <net/if.h>
#include <sys/ioctl.h>
int ifconfig_helper(const char *if_name, int up)
{
int fd;
struct ifreq ifr;
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(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
"for interface %s: %s",
__func__, if_name, strerror(errno));
close(fd);
return -1;
}
if (up)
ifr.ifr_flags |= IFF_UP;
else
ifr.ifr_flags &= ~IFF_UP;
if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
"for interface %s (up=%d): %s",
__func__, if_name, up, strerror(errno));
close(fd);
return -1;
}
close(fd);
return 0;
}
int ifconfig_up(const char *if_name)
{
wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
return ifconfig_helper(if_name, 1);
}
static int vlan_if_add(struct hostapd_data *hapd, struct hostapd_vlan *vlan,
int existsok)