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authorFernando Fernandez Mancera <ffmancera@riseup.net>2019-08-02 12:12:10 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2019-08-08 12:43:10 +0200
commitdba4a9b4b5fe2c4b6929be799fdb9332fc653e1b (patch)
tree800a99b457f9a37fd7790a8308c0d4ec33809510 /src/netlink.c
parent627c451b2351310da9ad82dbdb64747b1fada8e5 (diff)
src: allow variable in chain policy
This patch allows you to use variables in chain policy definition, e.g. define default_policy = "accept" add table ip foo add chain ip foo bar {type filter hook input priority filter; policy $default_policy} Signed-off-by: Fernando Fernandez Mancera <ffmancera@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/netlink.c')
-rw-r--r--src/netlink.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/netlink.c b/src/netlink.c
index 93067ef5..aeeb12ea 100644
--- a/src/netlink.c
+++ b/src/netlink.c
@@ -370,6 +370,7 @@ struct chain *netlink_delinearize_chain(struct netlink_ctx *ctx,
{
struct chain *chain;
int priority;
+ int policy;
chain = chain_alloc(nftnl_chain_get_str(nlc, NFTNL_CHAIN_NAME));
chain->handle.family =
@@ -396,7 +397,12 @@ struct chain *netlink_delinearize_chain(struct netlink_ctx *ctx,
&priority);
chain->type =
xstrdup(nftnl_chain_get_str(nlc, NFTNL_CHAIN_TYPE));
- chain->policy =
+ policy = nftnl_chain_get_u32(nlc, NFTNL_CHAIN_POLICY);
+ chain->policy = constant_expr_alloc(&netlink_location,
+ &integer_type,
+ BYTEORDER_HOST_ENDIAN,
+ sizeof(int) * BITS_PER_BYTE,
+ &policy);
nftnl_chain_get_u32(nlc, NFTNL_CHAIN_POLICY);
if (nftnl_chain_is_set(nlc, NFTNL_CHAIN_DEV)) {
chain->dev =