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-rw-r--r--iptables/nft-cache.c45
1 files changed, 31 insertions, 14 deletions
diff --git a/iptables/nft-cache.c b/iptables/nft-cache.c
index 608e42a7..91d29670 100644
--- a/iptables/nft-cache.c
+++ b/iptables/nft-cache.c
@@ -26,6 +26,14 @@
#include "nft-cache.h"
#include "nft-chain.h"
+/* users may define NDEBUG */
+static void assert_nft_restart(struct nft_handle *h)
+{
+ int rc = nft_restart(h);
+
+ assert(rc >= 0);
+}
+
static void cache_chain_list_insert(struct list_head *list, const char *name)
{
struct cache_chain *pos = NULL, *new;
@@ -105,7 +113,8 @@ static void mnl_genid_get(struct nft_handle *h, uint32_t *genid)
return;
xtables_error(RESOURCE_PROBLEM,
- "Could not fetch rule set generation id: %s\n", nft_strerror(errno));
+ "Could not fetch rule set generation id: %s",
+ nft_strerror(errno));
}
static int nftnl_table_list_cb(const struct nlmsghdr *nlh, void *data)
@@ -141,12 +150,12 @@ static int fetch_table_cache(struct nft_handle *h)
char buf[16536];
int i, ret;
- nlh = nftnl_rule_nlmsg_build_hdr(buf, NFT_MSG_GETTABLE, h->family,
- NLM_F_DUMP, h->seq);
+ nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_GETTABLE, h->family,
+ NLM_F_DUMP, h->seq);
ret = mnl_talk(h, nlh, nftnl_table_list_cb, h);
if (ret < 0 && errno == EINTR)
- assert(nft_restart(h) >= 0);
+ assert_nft_restart(h);
for (i = 0; i < NFT_TABLE_MAX; i++) {
enum nft_table_type type = h->tables[i].type;
@@ -416,6 +425,7 @@ static int set_fetch_elem_cb(struct nftnl_set *s, void *data)
char buf[MNL_SOCKET_BUFFER_SIZE];
struct nft_handle *h = data;
struct nlmsghdr *nlh;
+ int ret;
if (set_has_elements(s))
return 0;
@@ -424,7 +434,14 @@ static int set_fetch_elem_cb(struct nftnl_set *s, void *data)
NLM_F_DUMP, h->seq);
nftnl_set_elems_nlmsg_build_payload(nlh, s);
- return mnl_talk(h, nlh, set_elem_cb, s);
+ ret = mnl_talk(h, nlh, set_elem_cb, s);
+
+ if (!ret && h->verbose > 1) {
+ fprintf(stdout, "set ");
+ nftnl_set_fprintf(stdout, s, 0, 0);
+ fprintf(stdout, "\n");
+ }
+ return ret;
}
static int fetch_set_cache(struct nft_handle *h,
@@ -453,8 +470,8 @@ static int fetch_set_cache(struct nft_handle *h,
}
}
- nlh = nftnl_set_nlmsg_build_hdr(buf, NFT_MSG_GETSET,
- h->family, flags, h->seq);
+ nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_GETSET,
+ h->family, flags, h->seq);
if (s) {
nftnl_set_nlmsg_build_payload(nlh, s);
@@ -463,7 +480,7 @@ static int fetch_set_cache(struct nft_handle *h,
ret = mnl_talk(h, nlh, nftnl_set_list_cb, &d);
if (ret < 0 && errno == EINTR) {
- assert(nft_restart(h) >= 0);
+ assert_nft_restart(h);
return ret;
}
@@ -496,14 +513,14 @@ static int __fetch_chain_cache(struct nft_handle *h,
struct nlmsghdr *nlh;
int ret;
- nlh = nftnl_chain_nlmsg_build_hdr(buf, NFT_MSG_GETCHAIN, h->family,
- c ? NLM_F_ACK : NLM_F_DUMP, h->seq);
+ nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_GETCHAIN, h->family,
+ c ? NLM_F_ACK : NLM_F_DUMP, h->seq);
if (c)
nftnl_chain_nlmsg_build_payload(nlh, c);
ret = mnl_talk(h, nlh, nftnl_chain_list_cb, &d);
if (ret < 0 && errno == EINTR)
- assert(nft_restart(h) >= 0);
+ assert_nft_restart(h);
return ret;
}
@@ -591,13 +608,13 @@ static int nft_rule_list_update(struct nft_chain *nc, void *data)
nftnl_rule_set_str(rule, NFTNL_RULE_CHAIN,
nftnl_chain_get_str(c, NFTNL_CHAIN_NAME));
- nlh = nftnl_rule_nlmsg_build_hdr(buf, NFT_MSG_GETRULE, h->family,
- NLM_F_DUMP, h->seq);
+ nlh = nftnl_nlmsg_build_hdr(buf, NFT_MSG_GETRULE, h->family,
+ NLM_F_DUMP, h->seq);
nftnl_rule_nlmsg_build_payload(nlh, rule);
ret = mnl_talk(h, nlh, nftnl_rule_list_cb, &rld);
if (ret < 0 && errno == EINTR)
- assert(nft_restart(h) >= 0);
+ assert_nft_restart(h);
nftnl_rule_free(rule);