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-rw-r--r--sys/net/bridgectl.c134
-rw-r--r--sys/net/if_bridge.c30
2 files changed, 79 insertions, 85 deletions
diff --git a/sys/net/bridgectl.c b/sys/net/bridgectl.c
index c5d5549f5ce..2440b99e02e 100644
--- a/sys/net/bridgectl.c
+++ b/sys/net/bridgectl.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: bridgectl.c,v 1.11 2018/10/26 14:55:27 mpi Exp $ */
+/* $OpenBSD: bridgectl.c,v 1.12 2018/11/14 17:07:44 mpi Exp $ */
/*
* Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
@@ -470,40 +470,48 @@ bridge_rtdelete(struct bridge_softc *sc, struct ifnet *ifp, int dynonly)
int
bridge_rtfind(struct bridge_softc *sc, struct ifbaconf *baconf)
{
- int i, error = 0, onlycnt = 0;
- u_int32_t cnt = 0;
+ struct ifbareq *bareq, *bareqs = NULL;
struct bridge_rtnode *n;
- struct ifbareq bareq;
-
- if (baconf->ifbac_len == 0)
- onlycnt = 1;
-
- for (i = 0, cnt = 0; i < BRIDGE_RTABLE_SIZE; i++) {
- LIST_FOREACH(n, &sc->sc_rts[i], brt_next) {
- if (!onlycnt) {
- if (baconf->ifbac_len < sizeof(struct ifbareq))
- goto done;
- bcopy(sc->sc_if.if_xname, bareq.ifba_name,
- sizeof(bareq.ifba_name));
- bcopy(n->brt_if->if_xname, bareq.ifba_ifsname,
- sizeof(bareq.ifba_ifsname));
- bcopy(&n->brt_addr, &bareq.ifba_dst,
- sizeof(bareq.ifba_dst));
- bridge_copyaddr(&n->brt_tunnel.brtag_peer.sa,
- sstosa(&bareq.ifba_dstsa));
- bareq.ifba_age = n->brt_age;
- bareq.ifba_flags = n->brt_flags;
- error = copyout((caddr_t)&bareq,
- (caddr_t)(baconf->ifbac_req + cnt), sizeof(bareq));
- if (error)
- goto done;
- baconf->ifbac_len -= sizeof(struct ifbareq);
- }
- cnt++;
+ u_int32_t i = 0, total = 0;
+ int k, error = 0;
+
+ for (k = 0; k < BRIDGE_RTABLE_SIZE; k++) {
+ LIST_FOREACH(n, &sc->sc_rts[k], brt_next)
+ total++;
+ }
+
+ if (baconf->ifbac_len == 0) {
+ i = total;
+ goto done;
+ }
+
+ bareqs = mallocarray(total, sizeof(*bareqs), M_TEMP, M_NOWAIT|M_ZERO);
+ if (bareqs == NULL)
+ goto done;
+
+ for (k = 0; k < BRIDGE_RTABLE_SIZE; k++) {
+ LIST_FOREACH(n, &sc->sc_rts[k], brt_next) {
+ if (baconf->ifbac_len < (i + 1) * sizeof(*bareqs))
+ goto done;
+ bareq = &bareqs[i];
+ bcopy(sc->sc_if.if_xname, bareq->ifba_name,
+ sizeof(bareq->ifba_name));
+ bcopy(n->brt_if->if_xname, bareq->ifba_ifsname,
+ sizeof(bareq->ifba_ifsname));
+ bcopy(&n->brt_addr, &bareq->ifba_dst,
+ sizeof(bareq->ifba_dst));
+ bridge_copyaddr(&n->brt_tunnel.brtag_peer.sa,
+ sstosa(&bareq->ifba_dstsa));
+ bareq->ifba_age = n->brt_age;
+ bareq->ifba_flags = n->brt_flags;
+ i++;
}
}
+
+ error = copyout(bareqs, baconf->ifbac_req, i * sizeof(*bareqs));
done:
- baconf->ifbac_len = cnt * sizeof(struct ifbareq);
+ free(bareqs, M_TEMP, total * sizeof(*bareqs));
+ baconf->ifbac_len = i * sizeof(*bareqs);
return (error);
}
@@ -550,7 +558,7 @@ bridge_brlconf(struct bridge_iflist *bif, struct ifbrlconf *bc)
{
struct bridge_softc *sc = bif->bridge_sc;
struct brl_node *n;
- struct ifbrlreq req;
+ struct ifbrlreq *req, *reqs = NULL;
int error = 0;
u_int32_t i = 0, total = 0;
@@ -566,56 +574,52 @@ bridge_brlconf(struct bridge_iflist *bif, struct ifbrlconf *bc)
goto done;
}
+ reqs = mallocarray(total, sizeof(*reqs), M_TEMP, M_NOWAIT|M_ZERO);
+ if (reqs == NULL)
+ goto done;
+
SIMPLEQ_FOREACH(n, &bif->bif_brlin, brl_next) {
- bzero(&req, sizeof req);
- if (bc->ifbrl_len < sizeof(req))
+ if (bc->ifbrl_len < (i + 1) * sizeof(*reqs))
goto done;
- strlcpy(req.ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
- strlcpy(req.ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
- req.ifbr_action = n->brl_action;
- req.ifbr_flags = n->brl_flags;
- req.ifbr_src = n->brl_src;
- req.ifbr_dst = n->brl_dst;
- req.ifbr_arpf = n->brl_arpf;
+ req = &reqs[i];
+ strlcpy(req->ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
+ strlcpy(req->ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
+ req->ifbr_action = n->brl_action;
+ req->ifbr_flags = n->brl_flags;
+ req->ifbr_src = n->brl_src;
+ req->ifbr_dst = n->brl_dst;
+ req->ifbr_arpf = n->brl_arpf;
#if NPF > 0
- req.ifbr_tagname[0] = '\0';
+ req->ifbr_tagname[0] = '\0';
if (n->brl_tag)
- pf_tag2tagname(n->brl_tag, req.ifbr_tagname);
+ pf_tag2tagname(n->brl_tag, req->ifbr_tagname);
#endif
- error = copyout((caddr_t)&req,
- (caddr_t)(bc->ifbrl_buf + (i * sizeof(req))), sizeof(req));
- if (error)
- goto done;
i++;
- bc->ifbrl_len -= sizeof(req);
}
SIMPLEQ_FOREACH(n, &bif->bif_brlout, brl_next) {
- bzero(&req, sizeof req);
- if (bc->ifbrl_len < sizeof(req))
+ if (bc->ifbrl_len < (i + 1) * sizeof(*reqs))
goto done;
- strlcpy(req.ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
- strlcpy(req.ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
- req.ifbr_action = n->brl_action;
- req.ifbr_flags = n->brl_flags;
- req.ifbr_src = n->brl_src;
- req.ifbr_dst = n->brl_dst;
- req.ifbr_arpf = n->brl_arpf;
+ req = &reqs[i];
+ strlcpy(req->ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
+ strlcpy(req->ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
+ req->ifbr_action = n->brl_action;
+ req->ifbr_flags = n->brl_flags;
+ req->ifbr_src = n->brl_src;
+ req->ifbr_dst = n->brl_dst;
+ req->ifbr_arpf = n->brl_arpf;
#if NPF > 0
- req.ifbr_tagname[0] = '\0';
+ req->ifbr_tagname[0] = '\0';
if (n->brl_tag)
- pf_tag2tagname(n->brl_tag, req.ifbr_tagname);
+ pf_tag2tagname(n->brl_tag, req->ifbr_tagname);
#endif
- error = copyout((caddr_t)&req,
- (caddr_t)(bc->ifbrl_buf + (i * sizeof(req))), sizeof(req));
- if (error)
- goto done;
i++;
- bc->ifbrl_len -= sizeof(req);
}
+ error = copyout(reqs, bc->ifbrl_buf, i * sizeof(*reqs));
done:
- bc->ifbrl_len = i * sizeof(req);
+ free(reqs, M_TEMP, total * sizeof(*reqs));
+ bc->ifbrl_len = i * sizeof(*reqs);
return (error);
}
diff --git a/sys/net/if_bridge.c b/sys/net/if_bridge.c
index 3aac3599d9c..a2a0949d6a4 100644
--- a/sys/net/if_bridge.c
+++ b/sys/net/if_bridge.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_bridge.c,v 1.312 2018/10/01 12:38:32 mpi Exp $ */
+/* $OpenBSD: if_bridge.c,v 1.313 2018/11/14 17:07:44 mpi Exp $ */
/*
* Copyright (c) 1999, 2000 Jason L. Wright (jason@thought.net)
@@ -594,7 +594,7 @@ bridge_bifconf(struct bridge_softc *sc, struct ifbifconf *bifc)
struct bstp_state *bs = sc->sc_stp;
u_int32_t total = 0, i = 0;
int error = 0;
- struct ifbreq *breq = NULL;
+ struct ifbreq *breq, *breqs = NULL;
TAILQ_FOREACH(bif, &sc->sc_iflist, next)
total++;
@@ -607,14 +607,14 @@ bridge_bifconf(struct bridge_softc *sc, struct ifbifconf *bifc)
goto done;
}
- if ((breq = (struct ifbreq *)
- malloc(sizeof(*breq), M_DEVBUF, M_NOWAIT)) == NULL)
+ breqs = mallocarray(total, sizeof(*breqs), M_TEMP, M_NOWAIT|M_ZERO);
+ if (breqs == NULL)
goto done;
TAILQ_FOREACH(bif, &sc->sc_iflist, next) {
- bzero(breq, sizeof(*breq));
- if (bifc->ifbic_len < sizeof(*breq))
+ if (bifc->ifbic_len < (i + 1) * sizeof(*breqs))
break;
+ breq = &breqs[i];
strlcpy(breq->ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
strlcpy(breq->ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
breq->ifbr_ifsflags = bif->bif_flags;
@@ -645,32 +645,22 @@ bridge_bifconf(struct bridge_softc *sc, struct ifbifconf *bifc)
if (bp->bp_flags & BSTP_PORT_AUTOPTP)
breq->ifbr_ifsflags |= IFBIF_BSTP_AUTOPTP;
}
- error = copyout((caddr_t)breq,
- (caddr_t)(bifc->ifbic_req + i), sizeof(*breq));
- if (error)
- goto done;
i++;
- bifc->ifbic_len -= sizeof(*breq);
}
TAILQ_FOREACH(bif, &sc->sc_spanlist, next) {
- bzero(breq, sizeof(*breq));
- if (bifc->ifbic_len < sizeof(*breq))
+ if (bifc->ifbic_len < (i + 1) * sizeof(*breqs))
break;
+ breq = &breqs[i];
strlcpy(breq->ifbr_name, sc->sc_if.if_xname, IFNAMSIZ);
strlcpy(breq->ifbr_ifsname, bif->ifp->if_xname, IFNAMSIZ);
breq->ifbr_ifsflags = bif->bif_flags | IFBIF_SPAN;
breq->ifbr_portno = bif->ifp->if_index & 0xfff;
- error = copyout((caddr_t)breq,
- (caddr_t)(bifc->ifbic_req + i), sizeof(*breq));
- if (error)
- goto done;
i++;
- bifc->ifbic_len -= sizeof(*breq);
}
+ error = copyout(breqs, bifc->ifbic_req, i * sizeof(*breqs));
done:
- if (breq != NULL)
- free(breq, M_DEVBUF, sizeof *breq);
+ free(breqs, M_TEMP, total * sizeof(*breq));
bifc->ifbic_len = i * sizeof(*breq);
return (error);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-24 19:28:39 +0000