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pfctl: Dup strings

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When we set the ifname we have to copy the string, rather than just keep
the pointer.

PR:		231323
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D17507
This commit is contained in:
Kristof Provost 2018-10-20 18:11:46 +00:00
parent d158fa4ade
commit a2a90d6ee5
1 changed files with 2 additions and 2 deletions
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4
sbin/pfctl/parse.y
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@ -4408,7 +4408,7 @@ route_host : STRING {
$$ = calloc(1, sizeof(struct node_host));
if ($$ == NULL)
err(1, "route_host: calloc");
$$->ifname = $1;
$$->ifname = strdup($1);
set_ipmask($$, 128);
$$->next = NULL;
$$->tail = $$;
@ -4418,7 +4418,7 @@ route_host : STRING {
$$ = $3;
for (n = $3; n != NULL; n = n->next)
n->ifname = $2;
n->ifname = strdup($2);
}
;