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Diffstat (limited to 'net/xfrm/xfrm_state.c')
-rw-r--r--net/xfrm/xfrm_state.c42
1 files changed, 37 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f9961884500b..bbd4643d7e82 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1019,7 +1019,8 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
*/
if (x->km.state == XFRM_STATE_VALID) {
if ((x->sel.family &&
- !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
+ (x->sel.family != family ||
+ !xfrm_selector_match(&x->sel, fl, family))) ||
!security_xfrm_state_pol_flow_match(x, pol, fl))
return;
@@ -1032,7 +1033,9 @@ static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
*acq_in_progress = 1;
} else if (x->km.state == XFRM_STATE_ERROR ||
x->km.state == XFRM_STATE_EXPIRED) {
- if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
+ if ((!x->sel.family ||
+ (x->sel.family == family &&
+ xfrm_selector_match(&x->sel, fl, family))) &&
security_xfrm_state_pol_flow_match(x, pol, fl))
*error = -ESRCH;
}
@@ -1072,7 +1075,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr,
tmpl->mode == x->props.mode &&
tmpl->id.proto == x->id.proto &&
(tmpl->id.spi == x->id.spi || !tmpl->id.spi))
- xfrm_state_look_at(pol, x, fl, encap_family,
+ xfrm_state_look_at(pol, x, fl, family,
&best, &acquire_in_progress, &error);
}
if (best || acquire_in_progress)
@@ -1089,7 +1092,7 @@ xfrm_state_find(const xfrm_address_t *daddr, const xfrm_address_t *saddr,
tmpl->mode == x->props.mode &&
tmpl->id.proto == x->id.proto &&
(tmpl->id.spi == x->id.spi || !tmpl->id.spi))
- xfrm_state_look_at(pol, x, fl, encap_family,
+ xfrm_state_look_at(pol, x, fl, family,
&best, &acquire_in_progress, &error);
}
@@ -1441,6 +1444,30 @@ out:
EXPORT_SYMBOL(xfrm_state_add);
#ifdef CONFIG_XFRM_MIGRATE
+static inline int clone_security(struct xfrm_state *x, struct xfrm_sec_ctx *security)
+{
+ struct xfrm_user_sec_ctx *uctx;
+ int size = sizeof(*uctx) + security->ctx_len;
+ int err;
+
+ uctx = kmalloc(size, GFP_KERNEL);
+ if (!uctx)
+ return -ENOMEM;
+
+ uctx->exttype = XFRMA_SEC_CTX;
+ uctx->len = size;
+ uctx->ctx_doi = security->ctx_doi;
+ uctx->ctx_alg = security->ctx_alg;
+ uctx->ctx_len = security->ctx_len;
+ memcpy(uctx + 1, security->ctx_str, security->ctx_len);
+ err = security_xfrm_state_alloc(x, uctx);
+ kfree(uctx);
+ if (err)
+ return err;
+
+ return 0;
+}
+
static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
struct xfrm_encap_tmpl *encap)
{
@@ -1497,6 +1524,10 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
goto error;
}
+ if (orig->security)
+ if (clone_security(x, orig->security))
+ goto error;
+
if (orig->coaddr) {
x->coaddr = kmemdup(orig->coaddr, sizeof(*x->coaddr),
GFP_KERNEL);
@@ -1510,6 +1541,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
}
memcpy(&x->mark, &orig->mark, sizeof(x->mark));
+ memcpy(&x->props.smark, &orig->props.smark, sizeof(x->props.smark));
if (xfrm_init_state(x) < 0)
goto error;
@@ -1521,7 +1553,7 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
x->tfcpad = orig->tfcpad;
x->replay_maxdiff = orig->replay_maxdiff;
x->replay_maxage = orig->replay_maxage;
- x->curlft.add_time = orig->curlft.add_time;
+ memcpy(&x->curlft, &orig->curlft, sizeof(x->curlft));
x->km.state = orig->km.state;
x->km.seq = orig->km.seq;
x->replay = orig->replay;