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child-sa: Use non-static variable to store generated unique mark

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If two CHILD_SAs with mark=%unique are created concurrently they could
otherwise end up with either the same mark or different marks in both
directions.
This commit is contained in:
Tobias Brunner
2016-06-06 14:17:11 +02:00
parent e35bb6e946
commit b2abd01048
1 changed files with 2 additions and 1 deletions
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src/libcharon/sa/child_sa.c
+2 -1
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@@ -1390,7 +1390,8 @@ child_sa_t * child_sa_create(host_t *me, host_t* other,
u_int mark_in, u_int mark_out) u_int mark_in, u_int mark_out)
{ {
private_child_sa_t *this; private_child_sa_t *this;
static refcount_t unique_id = 0, unique_mark = 0, mark; static refcount_t unique_id = 0, unique_mark = 0;
refcount_t mark;
INIT(this, INIT(this,
.public = { .public = {