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base/SOURCES/macsec-0018-drivers-Move-co...

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From 0abc8d10cc357d71fff74470c613442f9070ae93 Mon Sep 17 00:00:00 2001
Message-Id: <0abc8d10cc357d71fff74470c613442f9070ae93.1488376602.git.dcaratti@redhat.com>
From: Sabrina Dubroca <sd@queasysnail.net>
Date: Sun, 27 Nov 2016 20:08:44 +0100
Subject: [PATCH] drivers: Move common definitions for wired drivers out
Refactor the common parts of wired drivers code into a shared file, so
that they can be reused by other drivers. The macsec_qca driver already
contains a lot of code duplication from the wired driver, and the
macsec_linux driver would do the same. A structure to hold data common
to all wired drivers is added and used in all these drivers.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
---
src/drivers/driver_macsec_qca.c | 65 ++++++++++++-------------
src/drivers/driver_wired.c | 99 +++++++++++++++++++--------------------
src/drivers/driver_wired_common.h | 25 ++++++++++
3 files changed, 103 insertions(+), 86 deletions(-)
create mode 100644 src/drivers/driver_wired_common.h
diff --git a/src/drivers/driver_macsec_qca.c b/src/drivers/driver_macsec_qca.c
index 22d414c..6391e08 100644
--- a/src/drivers/driver_macsec_qca.c
+++ b/src/drivers/driver_macsec_qca.c
@@ -31,6 +31,7 @@
#include "common/ieee802_1x_defs.h"
#include "pae/ieee802_1x_kay.h"
#include "driver.h"
+#include "driver_wired_common.h"
#include "nss_macsec_secy.h"
#include "nss_macsec_secy_rx.h"
@@ -53,21 +54,14 @@
#pragma pack(pop)
#endif /* _MSC_VER */
-static const u8 pae_group_addr[ETH_ALEN] =
-{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
-
struct channel_map {
struct ieee802_1x_mka_sci sci;
};
struct macsec_qca_data {
- char ifname[IFNAMSIZ + 1];
- u32 secy_id;
- void *ctx;
+ struct driver_wired_common_data common;
- int sock; /* raw packet socket for driver access */
- int pf_sock;
- int membership, multi, iff_allmulti, iff_up;
+ u32 secy_id;
/* shadow */
Boolean always_include_sci;
@@ -322,43 +316,43 @@ static void * macsec_qca_init(void *ctx, const char *ifname)
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- drv->ctx = ctx;
+ os_strlcpy(drv->common.ifname, ifname, sizeof(drv->common.ifname));
+ drv->common.ctx = ctx;
/* Board specific settings */
- if (os_memcmp("eth2", drv->ifname, 4) == 0)
+ if (os_memcmp("eth2", drv->common.ifname, 4) == 0)
drv->secy_id = 1;
- else if (os_memcmp("eth3", drv->ifname, 4) == 0)
+ else if (os_memcmp("eth3", drv->common.ifname, 4) == 0)
drv->secy_id = 2;
else
drv->secy_id = -1;
#ifdef __linux__
- drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
- if (drv->pf_sock < 0)
+ drv->common.pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
+ if (drv->common.pf_sock < 0)
wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
#else /* __linux__ */
- drv->pf_sock = -1;
+ drv->common.pf_sock = -1;
#endif /* __linux__ */
if (macsec_qca_get_ifflags(ifname, &flags) == 0 &&
!(flags & IFF_UP) &&
macsec_qca_set_ifflags(ifname, flags | IFF_UP) == 0) {
- drv->iff_up = 1;
+ drv->common.iff_up = 1;
}
- if (macsec_qca_multicast_membership(drv->pf_sock,
- if_nametoindex(drv->ifname),
+ if (macsec_qca_multicast_membership(drv->common.pf_sock,
+ if_nametoindex(drv->common.ifname),
pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with packet socket",
__func__);
- drv->membership = 1;
+ drv->common.membership = 1;
} else if (macsec_qca_multi(ifname, pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with SIOCADDMULTI",
__func__);
- drv->multi = 1;
+ drv->common.multi = 1;
} else if (macsec_qca_get_ifflags(ifname, &flags) < 0) {
wpa_printf(MSG_INFO, "%s: Could not get interface flags",
__func__);
@@ -375,7 +369,7 @@ static void * macsec_qca_init(void *ctx, const char *ifname)
return NULL;
} else {
wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode", __func__);
- drv->iff_allmulti = 1;
+ drv->common.iff_allmulti = 1;
}
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
{
@@ -397,39 +391,40 @@ static void macsec_qca_deinit(void *priv)
struct macsec_qca_data *drv = priv;
int flags;
- if (drv->membership &&
- macsec_qca_multicast_membership(drv->pf_sock,
- if_nametoindex(drv->ifname),
+ if (drv->common.membership &&
+ macsec_qca_multicast_membership(drv->common.pf_sock,
+ if_nametoindex(drv->common.ifname),
pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (PACKET)",
__func__);
}
- if (drv->multi &&
- macsec_qca_multi(drv->ifname, pae_group_addr, 0) < 0) {
+ if (drv->common.multi &&
+ macsec_qca_multi(drv->common.ifname, pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (SIOCDELMULTI)",
__func__);
}
- if (drv->iff_allmulti &&
- (macsec_qca_get_ifflags(drv->ifname, &flags) < 0 ||
- macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_ALLMULTI) < 0)) {
+ if (drv->common.iff_allmulti &&
+ (macsec_qca_get_ifflags(drv->common.ifname, &flags) < 0 ||
+ macsec_qca_set_ifflags(drv->common.ifname,
+ flags & ~IFF_ALLMULTI) < 0)) {
wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
__func__);
}
- if (drv->iff_up &&
- macsec_qca_get_ifflags(drv->ifname, &flags) == 0 &&
+ if (drv->common.iff_up &&
+ macsec_qca_get_ifflags(drv->common.ifname, &flags) == 0 &&
(flags & IFF_UP) &&
- macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
+ macsec_qca_set_ifflags(drv->common.ifname, flags & ~IFF_UP) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
__func__);
}
- if (drv->pf_sock != -1)
- close(drv->pf_sock);
+ if (drv->common.pf_sock != -1)
+ close(drv->common.pf_sock);
os_free(drv);
}
diff --git a/src/drivers/driver_wired.c b/src/drivers/driver_wired.c
index 422a220..b6f79e3 100644
--- a/src/drivers/driver_wired.c
+++ b/src/drivers/driver_wired.c
@@ -12,6 +12,7 @@
#include "common.h"
#include "eloop.h"
#include "driver.h"
+#include "driver_wired_common.h"
#include <sys/ioctl.h>
#undef IFNAMSIZ
@@ -42,20 +43,12 @@ struct ieee8023_hdr {
#pragma pack(pop)
#endif /* _MSC_VER */
-static const u8 pae_group_addr[ETH_ALEN] =
-{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
-
struct wpa_driver_wired_data {
- char ifname[IFNAMSIZ + 1];
- void *ctx;
+ struct driver_wired_common_data common;
- int sock; /* raw packet socket for driver access */
int dhcp_sock; /* socket for dhcp packets */
int use_pae_group_addr;
-
- int pf_sock;
- int membership, multi, iff_allmulti, iff_up;
};
@@ -208,21 +201,22 @@ static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
struct sockaddr_in addr2;
int n = 1;
- drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
- if (drv->sock < 0) {
+ drv->common.sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
+ if (drv->common.sock < 0) {
wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
strerror(errno));
return -1;
}
- if (eloop_register_read_sock(drv->sock, handle_read, drv->ctx, NULL)) {
+ if (eloop_register_read_sock(drv->common.sock, handle_read,
+ drv->common.ctx, NULL)) {
wpa_printf(MSG_INFO, "Could not register read socket");
return -1;
}
os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
- if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
+ os_strlcpy(ifr.ifr_name, drv->common.ifname, sizeof(ifr.ifr_name));
+ if (ioctl(drv->common.sock, SIOCGIFINDEX, &ifr) != 0) {
wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
strerror(errno));
return -1;
@@ -234,13 +228,14 @@ static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
addr.sll_ifindex);
- if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ if (bind(drv->common.sock, (struct sockaddr *) &addr, sizeof(addr)) < 0)
+ {
wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
return -1;
}
/* filter multicast address */
- if (wired_multicast_membership(drv->sock, ifr.ifr_ifindex,
+ if (wired_multicast_membership(drv->common.sock, ifr.ifr_ifindex,
pae_group_addr, 1) < 0) {
wpa_printf(MSG_ERROR, "wired: Failed to add multicast group "
"membership");
@@ -248,8 +243,8 @@ static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
}
os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
- if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
+ os_strlcpy(ifr.ifr_name, drv->common.ifname, sizeof(ifr.ifr_name));
+ if (ioctl(drv->common.sock, SIOCGIFHWADDR, &ifr) != 0) {
wpa_printf(MSG_ERROR, "ioctl(SIOCGIFHWADDR): %s",
strerror(errno));
return -1;
@@ -269,8 +264,8 @@ static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
return -1;
}
- if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp, drv->ctx,
- NULL)) {
+ if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp,
+ drv->common.ctx, NULL)) {
wpa_printf(MSG_INFO, "Could not register read socket");
return -1;
}
@@ -294,7 +289,7 @@ static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
}
os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->ifname, IFNAMSIZ);
+ os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->common.ifname, IFNAMSIZ);
if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BINDTODEVICE,
(char *) &ifr, sizeof(ifr)) < 0) {
wpa_printf(MSG_ERROR,
@@ -343,7 +338,7 @@ static int wired_send_eapol(void *priv, const u8 *addr,
pos = (u8 *) (hdr + 1);
os_memcpy(pos, data, data_len);
- res = send(drv->sock, (u8 *) hdr, len, 0);
+ res = send(drv->common.sock, (u8 *) hdr, len, 0);
os_free(hdr);
if (res < 0) {
@@ -368,8 +363,9 @@ static void * wired_driver_hapd_init(struct hostapd_data *hapd,
return NULL;
}
- drv->ctx = hapd;
- os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
+ drv->common.ctx = hapd;
+ os_strlcpy(drv->common.ifname, params->ifname,
+ sizeof(drv->common.ifname));
drv->use_pae_group_addr = params->use_pae_group_addr;
if (wired_init_sockets(drv, params->own_addr)) {
@@ -385,9 +381,9 @@ static void wired_driver_hapd_deinit(void *priv)
{
struct wpa_driver_wired_data *drv = priv;
- if (drv->sock >= 0) {
- eloop_unregister_read_sock(drv->sock);
- close(drv->sock);
+ if (drv->common.sock >= 0) {
+ eloop_unregister_read_sock(drv->common.sock);
+ close(drv->common.sock);
}
if (drv->dhcp_sock >= 0) {
@@ -564,33 +560,33 @@ static void * wpa_driver_wired_init(void *ctx, const char *ifname)
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- drv->ctx = ctx;
+ os_strlcpy(drv->common.ifname, ifname, sizeof(drv->common.ifname));
+ drv->common.ctx = ctx;
#ifdef __linux__
- drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
- if (drv->pf_sock < 0)
+ drv->common.pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
+ if (drv->common.pf_sock < 0)
wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
#else /* __linux__ */
- drv->pf_sock = -1;
+ drv->common.pf_sock = -1;
#endif /* __linux__ */
if (wpa_driver_wired_get_ifflags(ifname, &flags) == 0 &&
!(flags & IFF_UP) &&
wpa_driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0) {
- drv->iff_up = 1;
+ drv->common.iff_up = 1;
}
- if (wired_multicast_membership(drv->pf_sock,
- if_nametoindex(drv->ifname),
+ if (wired_multicast_membership(drv->common.pf_sock,
+ if_nametoindex(drv->common.ifname),
pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
"packet socket", __func__);
- drv->membership = 1;
+ drv->common.membership = 1;
} else if (wpa_driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
"SIOCADDMULTI", __func__);
- drv->multi = 1;
+ drv->common.multi = 1;
} else if (wpa_driver_wired_get_ifflags(ifname, &flags) < 0) {
wpa_printf(MSG_INFO, "%s: Could not get interface "
"flags", __func__);
@@ -608,7 +604,7 @@ static void * wpa_driver_wired_init(void *ctx, const char *ifname)
} else {
wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode",
__func__);
- drv->iff_allmulti = 1;
+ drv->common.iff_allmulti = 1;
}
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
{
@@ -630,38 +626,39 @@ static void wpa_driver_wired_deinit(void *priv)
struct wpa_driver_wired_data *drv = priv;
int flags;
- if (drv->membership &&
- wired_multicast_membership(drv->pf_sock,
- if_nametoindex(drv->ifname),
+ if (drv->common.membership &&
+ wired_multicast_membership(drv->common.pf_sock,
+ if_nametoindex(drv->common.ifname),
pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
"group (PACKET)", __func__);
}
- if (drv->multi &&
- wpa_driver_wired_multi(drv->ifname, pae_group_addr, 0) < 0) {
+ if (drv->common.multi &&
+ wpa_driver_wired_multi(drv->common.ifname, pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
"group (SIOCDELMULTI)", __func__);
}
- if (drv->iff_allmulti &&
- (wpa_driver_wired_get_ifflags(drv->ifname, &flags) < 0 ||
- wpa_driver_wired_set_ifflags(drv->ifname,
+ if (drv->common.iff_allmulti &&
+ (wpa_driver_wired_get_ifflags(drv->common.ifname, &flags) < 0 ||
+ wpa_driver_wired_set_ifflags(drv->common.ifname,
flags & ~IFF_ALLMULTI) < 0)) {
wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
__func__);
}
- if (drv->iff_up &&
- wpa_driver_wired_get_ifflags(drv->ifname, &flags) == 0 &&
+ if (drv->common.iff_up &&
+ wpa_driver_wired_get_ifflags(drv->common.ifname, &flags) == 0 &&
(flags & IFF_UP) &&
- wpa_driver_wired_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
+ wpa_driver_wired_set_ifflags(drv->common.ifname,
+ flags & ~IFF_UP) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
__func__);
}
- if (drv->pf_sock != -1)
- close(drv->pf_sock);
+ if (drv->common.pf_sock != -1)
+ close(drv->common.pf_sock);
os_free(drv);
}
diff --git a/src/drivers/driver_wired_common.h b/src/drivers/driver_wired_common.h
new file mode 100644
index 0000000..8d9dd37
--- /dev/null
+++ b/src/drivers/driver_wired_common.h
@@ -0,0 +1,25 @@
+/*
+ * Common definitions for Wired Ethernet driver interfaces
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef DRIVER_WIRED_COMMON_H
+#define DRIVER_WIRED_COMMON_H
+
+struct driver_wired_common_data {
+ char ifname[IFNAMSIZ + 1];
+ void *ctx;
+
+ int sock; /* raw packet socket for driver access */
+ int pf_sock;
+ int membership, multi, iff_allmulti, iff_up;
+};
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+#endif /* DRIVER_WIRED_COMMON_H */
--
2.7.4