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authorPablo Neira Ayuso <pablo@netfilter.org>2013-11-18 14:18:04 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2013-11-18 14:18:04 +0100
commit0bec6bc5e58a8fac7ed6aa637a906a7d7378cf4e (patch)
treed7f6b48003381586842d2ec05a093af742032fb8 /src/expr
parent4182e574fe47e2110d25fb909a4c3378478cd8d6 (diff)
expr: log: release prefix
Ana Rey reported a leak in the log expression. Fix it by using the new .free interface added in (3cf788a expr: fix leak in target and match expressions). Reported-by: Ana Rey Botello <anarey@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/expr')
-rw-r--r--src/expr/log.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/expr/log.c b/src/expr/log.c
index 1f88246..2d3e0cf 100644
--- a/src/expr/log.c
+++ b/src/expr/log.c
@@ -268,10 +268,18 @@ nft_rule_expr_log_snprintf(char *buf, size_t len, uint32_t type,
return -1;
}
+static void nft_rule_expr_log_free(struct nft_rule_expr *e)
+{
+ struct nft_expr_log *log = nft_expr_data(e);
+
+ xfree(log->prefix);
+}
+
struct expr_ops expr_ops_log = {
.name = "log",
.alloc_len = sizeof(struct nft_expr_log),
.max_attr = NFTA_LOG_MAX,
+ .free = nft_rule_expr_log_free,
.set = nft_rule_expr_log_set,
.get = nft_rule_expr_log_get,
.parse = nft_rule_expr_log_parse,