Enable -D ndis support in wpa_supplicant and add the ndis_events utility.

This allows wpa_supplicant to work with WPA and WPA2 compliant NDIS
drivers.

4 files changed, 487 insertions, 1 deletions

diff --git a/usr.sbin/wpa/wpa_supplicant/Makefile b/usr.sbin/wpa/wpa_supplicant/Makefile
index 7ab6414..19e0b24 100644
--- a/usr.sbin/wpa/wpa_supplicant/Makefile
+++ b/usr.sbin/wpa/wpa_supplicant/Makefile
@@ -6,12 +6,14 @@ WPA_SUPPLICANT_DISTDIR?= ${.CURDIR}/../../../contrib/wpa_supplicant
 PROG=	wpa_supplicant
 SRCS=	config.c eloop.c common.c md5.c rc4.c sha1.c aes_wrap.c \
 	wpa_supplicant.c wpa.c \
-	ctrl_iface.c l2_packet.c drivers.c driver_freebsd.c
+	ctrl_iface.c l2_packet.c drivers.c driver_freebsd.c \
+	driver_ndis.c driver_ndis_.c Packet32.c
 
 MAN=	wpa_supplicant.8 wpa_supplicant.conf.5
 
 CFLAGS+= -I${.CURDIR} -I${WPA_SUPPLICANT_DISTDIR}
 CFLAGS+= -DCONFIG_DRIVER_BSD
+CFLAGS+= -DCONFIG_DRIVER_NDIS
 CFLAGS+= -DCONFIG_CTRL_IFACE
 CFLAGS+= -g
 DPADD+=	${LIBPCAP}
diff --git a/usr.sbin/wpa/wpa_supplicant/Packet32.c b/usr.sbin/wpa/wpa_supplicant/Packet32.c
new file mode 100644
index 0000000..dafa6b9
--- /dev/null
+++ b/usr.sbin/wpa/wpa_supplicant/Packet32.c
@@ -0,0 +1,388 @@
+/*-
+ * Copyright (c) 2005
+ *      Bill Paul <wpaul@windriver.com>.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * This file implements a small portion of the Winpcap API for the
+ * Windows NDIS interface in wpa_supplicant. It provides just enough
+ * routines to fool wpa_supplicant into thinking it's really running
+ * in a Windows environment.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/errno.h>
+#include <sys/sysctl.h>
+#include <sys/fcntl.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_var.h>
+
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include <net/route.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pcap.h>
+
+#include "Packet32.h"
+
+#define OID_802_11_ADD_KEY      0x0d01011D
+
+typedef ULONGLONG NDIS_802_11_KEY_RSC;
+typedef UCHAR NDIS_802_11_MAC_ADDRESS[6];
+
+typedef struct NDIS_802_11_KEY {
+	ULONG Length;
+	ULONG KeyIndex;
+	ULONG KeyLength;
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	NDIS_802_11_KEY_RSC KeyRSC;
+	UCHAR KeyMaterial[1];
+} NDIS_802_11_KEY;
+
+typedef struct NDIS_802_11_KEY_COMPAT {
+	ULONG Length;
+	ULONG KeyIndex;
+	ULONG KeyLength;
+	NDIS_802_11_MAC_ADDRESS BSSID;
+	UCHAR Pad[6]; /* Make struct layout match Windows. */
+	NDIS_802_11_KEY_RSC KeyRSC;
+#ifdef notdef
+	UCHAR KeyMaterial[1];
+#endif
+} NDIS_802_11_KEY_COMPAT;
+
+#define TRUE 1
+#define FALSE 0
+
+struct adapter {
+	int			socket;
+	char			name[IFNAMSIZ];
+};
+
+void *
+PacketOpenAdapter(iface)
+	CHAR			*iface;
+{
+	struct adapter		*a;
+	int			s;
+	int			ifflags;
+	struct ifreq		ifr;
+
+	s = socket(PF_INET, SOCK_DGRAM, 0);
+
+	if (s == -1)
+		return(NULL);
+
+	a = malloc(sizeof(struct adapter));
+	if (a == NULL)
+		return(NULL);
+
+	a->socket = s;
+	snprintf(a->name, IFNAMSIZ, "%s", iface);
+
+	bzero((char *)&ifr, sizeof(ifr));
+        strncpy(ifr.ifr_name, iface, sizeof (ifr.ifr_name));
+        if (ioctl(a->socket, SIOCGIFFLAGS, (caddr_t)&ifr) < 0) {
+		free(a);
+		close(s);
+		return(NULL);
+        }
+        ifr.ifr_flags |= IFF_UP;
+        if (ioctl(a->socket, SIOCSIFFLAGS, (caddr_t)&ifr) < 0) {
+		free(a);
+		close(s);
+		return(NULL);
+        }
+
+	return(a);
+}
+
+int
+PacketRequest(iface, set, oid)
+	void			*iface;
+	BOOLEAN			set;
+	PACKET_OID_DATA		*oid;
+{
+	struct adapter		*a;
+	uint32_t		retval;
+	struct ifreq		ifr;
+	NDIS_802_11_KEY		*old;
+	NDIS_802_11_KEY_COMPAT	*new;
+	PACKET_OID_DATA		*o = NULL;
+
+	if (iface == NULL)
+		return(-1);
+
+	a = iface;
+	bzero((char *)&ifr, sizeof(ifr));
+
+	/*
+	 * This hack is necessary to work around a difference
+	 * betwee the GNU C and Microsoft C compilers. The NDIS_802_11_KEY
+	 * structure has a uint64_t in it, right after an array of
+	 * chars. The Microsoft compiler inserts padding right before
+	 * the 64-bit value to align it on a 64-bit boundary, but
+	 * GCC only aligns it on a 32-bit boundary. Trying to pass
+	 * the GCC-formatted structure to an NDIS binary driver
+	 * fails because some of the fields appear to be at the
+	 * wrong offsets.
+	 *
+	 * To get around this, if we detect someone is trying to do
+	 * a set operation on OID_802_11_ADD_KEY, we shuffle the data
+	 * into a properly padded structure and pass that into the
+	 * driver instead. This allows the driver_ndis.c code supplied
+	 * with wpa_supplicant to work unmodified.
+	 */
+
+	if (set == TRUE && oid->Oid == OID_802_11_ADD_KEY) {
+		old = (NDIS_802_11_KEY *)&oid->Data;
+		o = malloc(sizeof(PACKET_OID_DATA) +
+		    sizeof(NDIS_802_11_KEY_COMPAT) + old->KeyLength);
+		if (o == NULL)
+			return(0);
+		bzero((char *)o, sizeof(PACKET_OID_DATA) +
+		    sizeof(NDIS_802_11_KEY_COMPAT) + old->KeyLength);
+		o->Oid = oid->Oid;
+		o->Length = sizeof(NDIS_802_11_KEY_COMPAT) + old->KeyLength;
+		new = (NDIS_802_11_KEY_COMPAT *)&o->Data;
+		new->KeyRSC = old->KeyRSC;
+		new->Length = o->Length;
+		new->KeyIndex = old->KeyIndex;
+		new->KeyLength = old->KeyLength;
+		bcopy(old->BSSID, new->BSSID, sizeof(NDIS_802_11_MAC_ADDRESS));
+		bcopy(old->KeyMaterial, (char *)new +
+		    sizeof(NDIS_802_11_KEY_COMPAT), new->KeyLength);
+        	ifr.ifr_data = (caddr_t)o;
+	} else
+        	ifr.ifr_data = (caddr_t)oid;
+
+        strlcpy(ifr.ifr_name, a->name, sizeof(ifr.ifr_name));
+
+	if (set == TRUE)
+		retval = ioctl(a->socket, SIOCSDRVSPEC, &ifr);
+	else
+		retval = ioctl(a->socket, SIOCGDRVSPEC, &ifr);
+
+	if (o != NULL)
+		free(o);
+
+	if (retval)
+		return(0);
+
+	return(1);
+}
+
+int
+PacketGetAdapterNames(namelist, len)
+	CHAR			*namelist;
+	ULONG			*len;
+{
+	int			mib[6];
+	size_t			needed;
+	struct if_msghdr	*ifm;
+	struct sockaddr_dl	*sdl;
+	char			*buf, *lim, *next;
+	char			*plist;
+	int			spc;
+	int			i, ifcnt = 0;
+
+	plist = namelist;
+	spc = 0;
+
+	bzero(plist, *len);
+
+	needed = 0;
+	mib[0] = CTL_NET;
+	mib[1] = PF_ROUTE;
+	mib[2] = 0;             /* protocol */
+	mib[3] = 0;             /* wildcard address family */
+	mib[4] = NET_RT_IFLIST;
+	mib[5] = 0;             /* no flags */
+
+	if (sysctl (mib, 6, NULL, &needed, NULL, 0) < 0)
+		return(EIO);
+
+	buf = malloc (needed);
+	if (buf == NULL)
+		return(ENOMEM);
+
+	if (sysctl (mib, 6, buf, &needed, NULL, 0) < 0) {
+		free(buf);
+		return(EIO);
+	}
+
+	lim = buf + needed;
+
+	/* Generate interface name list. */
+
+	next = buf;
+	while (next < lim) {
+		ifm = (struct if_msghdr *)next;
+		if (ifm->ifm_type == RTM_IFINFO) {
+			sdl = (struct sockaddr_dl *)(ifm + 1);
+			if (strnstr(sdl->sdl_data, "ndis", sdl->sdl_nlen)) {
+				if ((spc + sdl->sdl_nlen) > *len) {
+					free(buf);
+					return(ENOSPC);
+				}
+				strncpy(plist, sdl->sdl_data, sdl->sdl_nlen);
+				plist += (sdl->sdl_nlen + 1);
+				spc += (sdl->sdl_nlen + 1);
+				ifcnt++;
+			}
+		}
+		next += ifm->ifm_msglen;
+	}
+
+
+	/* Insert an extra "" as a spacer */
+
+	plist++;
+	spc++;
+
+	/*
+	 * Now generate the interface description list. There
+	 * must be a unique description for each interface, and
+	 * they have to match what the ndis_events program will
+	 * feed in later. To keep this simple, we just repeat
+	 * the interface list over again.
+	 */
+
+	next = buf;
+	while (next < lim) {
+		ifm = (struct if_msghdr *)next;
+		if (ifm->ifm_type == RTM_IFINFO) {
+			sdl = (struct sockaddr_dl *)(ifm + 1);
+			if (strnstr(sdl->sdl_data, "ndis", sdl->sdl_nlen)) {
+				if ((spc + sdl->sdl_nlen) > *len) {
+					free(buf);
+					return(ENOSPC);
+				}
+				strncpy(plist, sdl->sdl_data, sdl->sdl_nlen);
+				plist += (sdl->sdl_nlen + 1);
+				spc += (sdl->sdl_nlen + 1);
+				ifcnt++;
+			}
+		}
+		next += ifm->ifm_msglen;
+	}
+
+	free (buf);
+
+	*len = spc + 1;
+
+	return(0);
+}
+
+void
+PacketCloseAdapter(iface)
+	void			*iface;
+{	
+	struct adapter		*a;
+	struct ifreq		ifr;
+
+	if (iface == NULL)
+		return;
+
+	a = iface;
+
+	bzero((char *)&ifr, sizeof(ifr));
+        strncpy(ifr.ifr_name, a->name, sizeof (ifr.ifr_name));
+        ioctl(a->socket, SIOCGIFFLAGS, (caddr_t)&ifr);
+        ifr.ifr_flags &= ~IFF_UP;
+        ioctl(a->socket, SIOCSIFFLAGS, (caddr_t)&ifr);
+	close(a->socket);
+	free(a);
+
+	return;
+}
+
+#if __FreeBSD_version < 600000
+
+/*
+ * The version of libpcap in FreeBSD 5.2.1 doesn't have these routines.
+ * Call me insane if you will, but I still run 5.2.1 on my laptop, and
+ * I'd like to use WPA there.
+ */
+
+int
+pcap_get_selectable_fd(pcap_t *p)
+{
+	return(pcap_fileno(p));
+}
+
+/*
+ * The old version of libpcap opens its BPF descriptor in read-only
+ * mode. We need to temporarily create a new one we can write to.
+ */
+
+int
+pcap_inject(pcap_t *p, const void *buf, size_t len)
+{
+	int			fd;
+	int			res, n = 0;
+	char			device[sizeof "/dev/bpf0000000000"];
+	struct ifreq		ifr;
+
+        /*
+         * Go through all the minors and find one that isn't in use.
+         */
+	do {
+		(void)snprintf(device, sizeof(device), "/dev/bpf%d", n++);
+		fd = open(device, O_RDWR);
+	} while (fd < 0 && errno == EBUSY);
+
+	if (fd == -1)
+		return(-1);
+
+	bzero((char *)&ifr, sizeof(ifr));
+	ioctl(pcap_fileno(p), BIOCGETIF, (caddr_t)&ifr);
+	ioctl(fd, BIOCSETIF, (caddr_t)&ifr);
+
+	res = write(fd, buf, len);
+
+	close(fd);
+
+	return(res);
+}
+#endif
diff --git a/usr.sbin/wpa/wpa_supplicant/Packet32.h b/usr.sbin/wpa/wpa_supplicant/Packet32.h
new file mode 100644
index 0000000..a3f715d
--- /dev/null
+++ b/usr.sbin/wpa/wpa_supplicant/Packet32.h
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2005
+ *      Bill Paul <wpaul@windriver.com>.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _PACKET32_H_
+#define _PACKET32_H_
+
+#include <sys/types.h>
+#include <ntddndis.h>
+
+struct PACKET_OID_DATA {
+	uint32_t		Oid;
+	uint32_t		Length;
+	uint8_t			Data[1];
+};
+
+
+typedef struct PACKET_OID_DATA PACKET_OID_DATA;
+
+extern void *PacketOpenAdapter(CHAR *);
+extern int PacketRequest(void *, BOOLEAN, PACKET_OID_DATA *);
+extern int PacketGetAdapterNames(CHAR *, ULONG *);
+extern void PacketCloseAdapter(void *);
+
+/*
+ * This is for backwards compatibility on FreeBSD 5.
+ */
+
+#ifndef SIOCGDRVSPEC
+#define SIOCSDRVSPEC	_IOW('i', 123, struct ifreq)	/* set driver-specific
+								parameters */
+#define SIOCGDRVSPEC	_IOWR('i', 123, struct ifreq)	/* get driver-specific
+								parameters */
+#endif
+
+#endif /* _PACKET32_H_ */
diff --git a/usr.sbin/wpa/wpa_supplicant/ntddndis.h b/usr.sbin/wpa/wpa_supplicant/ntddndis.h
new file mode 100644
index 0000000..97dd608
--- /dev/null
+++ b/usr.sbin/wpa/wpa_supplicant/ntddndis.h
@@ -0,0 +1,30 @@
+#ifndef _NTDDNDIS_H_
+#define _NTDDNDIS_H_
+
+/*
+ * $FreeBSD$
+ */
+
+/*
+ * Fake up some of the Windows type definitions so that the NDIS
+ * interface module in wpa_supplicant will build.
+ */
+
+#define ULONG uint32_t
+#define USHORT uint16_t
+#define UCHAR uint8_t
+#define LONG int32_t
+#define SHORT int16_t
+#define CHAR int8_t
+#define ULONGLONG uint64_t
+#define LONGLONG int64_t
+#define BOOLEAN uint8_t
+typedef void * LPADAPTER;
+typedef char * PTSTR;
+
+#define TRUE 1
+#define FALSE 0
+
+#define OID_802_3_CURRENT_ADDRESS               0x01010102
+
+#endif /* _NTDDNDIS_H_ */