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Modify the BRDGGIFS and BRDGRTS cmds to be more COMPAT_NETBSD32 friendly. 

(XXX whitespace)
This commit is contained in:
matt 2015-06-01 06:14:43 +00:00
parent b420830aee
commit ef434b48cb
2 changed files with 35 additions and 18 deletions
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41
sys/net/if_bridge.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_bridge.c,v 1.98 2015/04/16 08:54:15 ozaki-r Exp $ */
/* $NetBSD: if_bridge.c,v 1.99 2015/06/01 06:14:43 matt Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -80,7 +80,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.98 2015/04/16 08:54:15 ozaki-r Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.99 2015/06/01 06:14:43 matt Exp $");
#ifdef _KERNEL_OPT
#include "opt_bridge_ipf.h"
@ -143,6 +143,10 @@ __KERNEL_RCSID(0, "$NetBSD: if_bridge.c,v 1.98 2015/04/16 08:54:15 ozaki-r Exp $
#include <netinet/ip_carp.h>
#endif
__CTASSERT(sizeof(struct ifbifconf) == sizeof(struct ifbaconf));
__CTASSERT(offsetof(struct ifbifconf, ifbic_len) == offsetof(struct ifbaconf, ifbac_len));
__CTASSERT(offsetof(struct ifbifconf, ifbic_buf) == offsetof(struct ifbaconf, ifbac_buf));
/*
* Maximum number of addresses to cache.
*/
@ -306,6 +310,8 @@ struct bridge_control {
#define BC_F_COPYIN 0x01 /* copy arguments in */
#define BC_F_COPYOUT 0x02 /* copy arguments out */
#define BC_F_SUSER 0x04 /* do super-user check */
#define BC_F_XLATEIN 0x08 /* xlate arguments in */
#define BC_F_XLATEOUT 0x10 /* xlate arguments out */
static const struct bridge_control bridge_control_table[] = {
[BRDGADD] = {bridge_ioctl_add, sizeof(struct ifbreq), BC_F_COPYIN|BC_F_SUSER},
@ -317,8 +323,8 @@ static const struct bridge_control bridge_control_table[] = {
[BRDGSCACHE] = {bridge_ioctl_scache, sizeof(struct ifbrparam), BC_F_COPYIN|BC_F_SUSER},
[BRDGGCACHE] = {bridge_ioctl_gcache, sizeof(struct ifbrparam), BC_F_COPYOUT},
[BRDGGIFS] = {bridge_ioctl_gifs, sizeof(struct ifbifconf), BC_F_COPYIN|BC_F_COPYOUT},
[BRDGRTS] = {bridge_ioctl_rts, sizeof(struct ifbaconf), BC_F_COPYIN|BC_F_COPYOUT},
[OBRDGGIFS] = {bridge_ioctl_gifs, sizeof(struct ifbifconf), BC_F_COPYIN|BC_F_COPYOUT},
[OBRDGRTS] = {bridge_ioctl_rts, sizeof(struct ifbaconf), BC_F_COPYIN|BC_F_COPYOUT},
[BRDGSADDR] = {bridge_ioctl_saddr, sizeof(struct ifbareq), BC_F_COPYIN|BC_F_SUSER},
@ -348,7 +354,10 @@ static const struct bridge_control bridge_control_table[] = {
[BRDGGFILT] = {bridge_ioctl_gfilt, sizeof(struct ifbrparam), BC_F_COPYOUT},
[BRDGSFILT] = {bridge_ioctl_sfilt, sizeof(struct ifbrparam), BC_F_COPYIN|BC_F_SUSER},
#endif /* BRIDGE_IPF */
[BRDGGIFS] = {bridge_ioctl_gifs, sizeof(struct ifbifconf), BC_F_XLATEIN|BC_F_XLATEOUT},
[BRDGRTS] = {bridge_ioctl_rts, sizeof(struct ifbaconf), BC_F_XLATEIN|BC_F_XLATEOUT},
};
static const int bridge_control_table_size = __arraycount(bridge_control_table);
static LIST_HEAD(, bridge_softc) bridge_list;
@ -621,13 +630,12 @@ bridge_ioctl(struct ifnet *ifp, u_long cmd, void *data)
switch (cmd) {
case SIOCGDRVSPEC:
case SIOCSDRVSPEC:
if (ifd->ifd_cmd >= bridge_control_table_size) {
if (ifd->ifd_cmd >= bridge_control_table_size
|| (bc = &bridge_control_table[ifd->ifd_cmd]) == NULL) {
error = EINVAL;
return error;
}
bc = &bridge_control_table[ifd->ifd_cmd];
/* We only care about BC_F_SUSER at this point. */
if ((bc->bc_flags & BC_F_SUSER) == 0)
break;
@ -651,20 +659,21 @@ bridge_ioctl(struct ifnet *ifp, u_long cmd, void *data)
case SIOCSDRVSPEC:
KASSERT(bc != NULL);
if (cmd == SIOCGDRVSPEC &&
(bc->bc_flags & BC_F_COPYOUT) == 0) {
(bc->bc_flags & (BC_F_COPYOUT|BC_F_XLATEOUT)) == 0) {
error = EINVAL;
break;
}
else if (cmd == SIOCSDRVSPEC &&
(bc->bc_flags & BC_F_COPYOUT) != 0) {
(bc->bc_flags & (BC_F_COPYOUT|BC_F_XLATEOUT)) != 0) {
error = EINVAL;
break;
}
/* BC_F_SUSER is checked above, before splnet(). */
if (ifd->ifd_len != bc->bc_argsize ||
ifd->ifd_len > sizeof(args)) {
if ((bc->bc_flags & (BC_F_XLATEIN|BC_F_XLATEOUT)) == 0
&& (ifd->ifd_len != bc->bc_argsize
|| ifd->ifd_len > sizeof(args))) {
error = EINVAL;
break;
}
@ -674,15 +683,21 @@ bridge_ioctl(struct ifnet *ifp, u_long cmd, void *data)
error = copyin(ifd->ifd_data, &args, ifd->ifd_len);
if (error)
break;
} else if (bc->bc_flags & BC_F_XLATEIN) {
args.ifbifconf.ifbic_len = ifd->ifd_len;
args.ifbifconf.ifbic_buf = ifd->ifd_data;
}
error = (*bc->bc_func)(sc, &args);
if (error)
break;
if (bc->bc_flags & BC_F_COPYOUT)
if (bc->bc_flags & BC_F_COPYOUT) {
error = copyout(&args, ifd->ifd_data, ifd->ifd_len);
} else if (bc->bc_flags & BC_F_XLATEOUT) {
ifd->ifd_len = args.ifbifconf.ifbic_len;
ifd->ifd_data = args.ifbifconf.ifbic_buf;
}
break;
case SIOCSIFFLAGS:

12
sys/net/if_bridgevar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_bridgevar.h,v 1.23 2015/01/16 10:36:14 ozaki-r Exp $ */
/* $NetBSD: if_bridgevar.h,v 1.24 2015/06/01 06:14:43 matt Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -90,8 +90,8 @@
#define BRDGSIFFLGS 3 /* set member if flags (ifbreq) */
#define BRDGSCACHE 4 /* set cache size (ifbrparam) */
#define BRDGGCACHE 5 /* get cache size (ifbrparam) */
#define BRDGGIFS 6 /* get member list (ifbifconf) */
#define BRDGRTS 7 /* get address list (ifbaconf) */
#define OBRDGGIFS 6 /* get member list (ifbifconf) */
#define OBRDGRTS 7 /* get address list (ifbaconf) */
#define BRDGSADDR 8 /* set static address (ifbareq) */
#define BRDGSTO 9 /* set cache timeout (ifbrparam) */
#define BRDGGTO 10 /* get cache timeout (ifbrparam) */
@ -111,6 +111,9 @@
#define BRDGGFILT 23 /* get filter flags (ifbrparam) */
#define BRDGSFILT 24 /* set filter flags (ifbrparam) */
#define BRDGGIFS 25 /* get member list */
#define BRDGRTS 26 /* get address list */
/*
* Generic bridge control request.
*/
@ -163,8 +166,7 @@ struct ifbifconf {
*/
struct ifbareq {
char ifba_ifsname[IFNAMSIZ]; /* member if name */
/*XXX: time_t */
long ifba_expire; /* address expire time */
time_t ifba_expire; /* address expire time */
uint8_t ifba_flags; /* address flags */
uint8_t ifba_dst[ETHER_ADDR_LEN];/* destination address */
};