The following patch adds own builtin_table pointer used by future tool (like arptables)
to have own tables and not tables declared in nft.c
Signed-off-by: Giuseppe Longo <giuseppelng@xxxxxxxxx>
---
iptables/nft.c | 22 +++-------------------
iptables/nft.h | 24 +++++++++++++++++++++++-
iptables/xtables-config.c | 2 +-
iptables/xtables-restore.c | 2 +-
iptables/xtables-save.c | 2 +-
iptables/xtables-standalone.c | 2 +-
6 files changed, 30 insertions(+), 24 deletions(-)
diff --git a/iptables/nft.c b/iptables/nft.c
index 9a857b9..5665148 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -80,24 +80,7 @@ static int mnl_talk(struct nft_handle *h, struct nlmsghdr *nlh,
return 0;
}
-#define FILTER 0
-#define MANGLE 1
-#define RAW 2
-#define SECURITY 3
-#define NAT 4
-#define TABLES_MAX 5
-
-struct builtin_chain {
- const char *name;
- const char *type;
- uint32_t prio;
- uint32_t hook;
-};
-
-static struct builtin_table {
- const char *name;
- struct builtin_chain chains[NF_INET_NUMHOOKS];
-} tables[TABLES_MAX] = {
+struct builtin_table xtables_ipv4[TABLES_MAX] = {
[RAW] = {
.name = "raw",
.chains = {
@@ -389,7 +372,7 @@ static bool nft_chain_builtin(struct nft_chain *c)
return nft_chain_attr_get(c, NFT_CHAIN_ATTR_HOOKNUM) != NULL;
}
-int nft_init(struct nft_handle *h)
+int nft_init(struct nft_handle *h, struct builtin_table *t)
{
h->nl = mnl_socket_open(NETLINK_NETFILTER);
if (h->nl == NULL) {
@@ -402,6 +385,7 @@ int nft_init(struct nft_handle *h)
return -1;
}
h->portid = mnl_socket_get_portid(h->nl);
+ h->tables = t;
return 0;
}
diff --git a/iptables/nft.h b/iptables/nft.h
index 7a6351b..f3317c9 100644
--- a/iptables/nft.h
+++ b/iptables/nft.h
@@ -4,6 +4,25 @@
#include "xshared.h"
#include "nft-shared.h"
+#define FILTER 0
+#define MANGLE 1
+#define RAW 2
+#define SECURITY 3
+#define NAT 4
+#define TABLES_MAX 5
+
+struct builtin_chain {
+ const char *name;
+ const char *type;
+ uint32_t prio;
+ uint32_t hook;
+};
+
+struct builtin_table {
+ const char *name;
+ struct builtin_chain chains[NF_INET_NUMHOOKS];
+};
+
struct nft_handle {
int family;
struct mnl_socket *nl;
@@ -11,9 +30,12 @@ struct nft_handle {
uint32_t seq;
bool commit;
struct nft_family_ops *ops;
+ struct builtin_table *tables;
};
-int nft_init(struct nft_handle *h);
+extern struct builtin_table xtables_ipv4[TABLES_MAX];
+
+int nft_init(struct nft_handle *h, struct builtin_table *t);
void nft_fini(struct nft_handle *h);
/*
diff --git a/iptables/xtables-config.c b/iptables/xtables-config.c
index 515b18b..b7cf609 100644
--- a/iptables/xtables-config.c
+++ b/iptables/xtables-config.c
@@ -35,7 +35,7 @@ int xtables_config_main(int argc, char *argv[])
else
filename = argv[1];
- if (nft_init(&h) < 0) {
+ if (nft_init(&h, xtables_ipv4) < 0) {
fprintf(stderr, "Failed to initialize nft: %s\n",
strerror(errno));
return EXIT_FAILURE;
diff --git a/iptables/xtables-restore.c b/iptables/xtables-restore.c
index 8469ba1..608e189 100644
--- a/iptables/xtables-restore.c
+++ b/iptables/xtables-restore.c
@@ -193,7 +193,7 @@ xtables_restore_main(int argc, char *argv[])
init_extensions4();
#endif
- if (nft_init(&h) < 0) {
+ if (nft_init(&h, xtables_ipv4) < 0) {
fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",
xtables_globals.program_name,
xtables_globals.program_version,
diff --git a/iptables/xtables-save.c b/iptables/xtables-save.c
index 41ceaf5..db03090 100644
--- a/iptables/xtables-save.c
+++ b/iptables/xtables-save.c
@@ -96,7 +96,7 @@ xtables_save_main(int argc, char *argv[])
init_extensions();
init_extensions4();
#endif
- if (nft_init(&h) < 0) {
+ if (nft_init(&h, xtables_ipv4) < 0) {
fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",
xtables_globals.program_name,
xtables_globals.program_version,
diff --git a/iptables/xtables-standalone.c b/iptables/xtables-standalone.c
index 3f8b981..9d5a667 100644
--- a/iptables/xtables-standalone.c
+++ b/iptables/xtables-standalone.c
@@ -61,7 +61,7 @@ xtables_main(int argc, char *argv[])
init_extensions4();
#endif
- if (nft_init(&h) < 0) {
+ if (nft_init(&h, xtables_ipv4) < 0) {
fprintf(stderr, "%s/%s Failed to initialize nft: %s\n",
xtables_globals.program_name,
xtables_globals.program_version,
--
1.7.8.6
--
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