Signed-off-by: Eric Leblond <eric@xxxxxxxxx>
---
include/nftables.h | 1 +
include/nftables/nftables.h | 3 +++
src/libnftables.c | 20 ++++++++++++++++++++
src/main.c | 29 ++++++++++++++---------------
4 files changed, 38 insertions(+), 15 deletions(-)
diff --git a/include/nftables.h b/include/nftables.h
index a457aba..717af37 100644
--- a/include/nftables.h
+++ b/include/nftables.h
@@ -35,6 +35,7 @@ struct output_ctx {
struct nft_ctx {
struct output_ctx output;
bool check;
+ struct mnl_socket *nf_sock;
};
struct nft_cache {
diff --git a/include/nftables/nftables.h b/include/nftables/nftables.h
index 4ba16f0..cfa60fe 100644
--- a/include/nftables/nftables.h
+++ b/include/nftables/nftables.h
@@ -17,4 +17,7 @@
void nft_global_init(void);
void nft_global_deinit(void);
+struct nft_ctx *nft_context_new(void);
+void nft_context_free(struct nft_ctx *nft);
+
#endif
diff --git a/src/libnftables.c b/src/libnftables.c
index 215179a..6756c0f 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -51,3 +51,23 @@ void nft_global_deinit(void)
realm_table_meta_exit();
mark_table_exit();
}
+
+struct nft_ctx *nft_context_new(void)
+{
+ struct nft_ctx *ctx = NULL;
+ ctx = calloc(1, sizeof(struct nft_ctx));
+ if (ctx == NULL)
+ return NULL;
+ ctx->nf_sock = netlink_open_sock();
+
+ return ctx;
+}
+
+
+void nft_context_free(struct nft_ctx *nft)
+{
+ if (nft == NULL)
+ return;
+ netlink_close_sock(nft->nf_sock);
+ xfree(nft);
+}
diff --git a/src/main.c b/src/main.c
index dde3104..ee5566c 100644
--- a/src/main.c
+++ b/src/main.c
@@ -29,7 +29,6 @@
#include <iface.h>
#include <cli.h>
-static struct nft_ctx nft;
unsigned int max_errors = 10;
#ifdef DEBUG
unsigned int debug_level;
@@ -283,13 +282,13 @@ int main(int argc, char * const *argv)
unsigned int len;
bool interactive = false;
int i, val, rc = NFT_EXIT_SUCCESS;
- struct mnl_socket *nf_sock;
+ struct nft_ctx *nft;
memset(&cache, 0, sizeof(cache));
init_list_head(&cache.list);
nft_global_init();
- nf_sock = netlink_open_sock();
+ nft = nft_context_new();
while (1) {
val = getopt_long(argc, argv, OPTSTRING, options, NULL);
if (val == -1)
@@ -304,7 +303,7 @@ int main(int argc, char * const *argv)
PACKAGE_NAME, PACKAGE_VERSION, RELEASE_NAME);
exit(NFT_EXIT_SUCCESS);
case OPT_CHECK:
- nft.check = true;
+ nft->check = true;
break;
case OPT_FILE:
filename = optarg;
@@ -322,7 +321,7 @@ int main(int argc, char * const *argv)
include_paths[num_include_paths++] = optarg;
break;
case OPT_NUMERIC:
- if (++nft.output.numeric > NUMERIC_ALL) {
+ if (++nft->output.numeric > NUMERIC_ALL) {
fprintf(stderr, "Too many numeric options "
"used, max. %u\n",
NUMERIC_ALL);
@@ -330,10 +329,10 @@ int main(int argc, char * const *argv)
}
break;
case OPT_STATELESS:
- nft.output.stateless++;
+ nft->output.stateless++;
break;
case OPT_IP2NAME:
- nft.output.ip2name++;
+ nft->output.ip2name++;
break;
#ifdef DEBUG
case OPT_DEBUG:
@@ -365,10 +364,10 @@ int main(int argc, char * const *argv)
break;
#endif
case OPT_HANDLE_OUTPUT:
- nft.output.handle++;
+ nft->output.handle++;
break;
case OPT_ECHO:
- nft.output.echo++;
+ nft->output.echo++;
break;
case OPT_INVALID:
exit(NFT_EXIT_FAILURE);
@@ -386,20 +385,20 @@ int main(int argc, char * const *argv)
strcat(buf, " ");
}
strcat(buf, "\n");
- parser_init(nf_sock, &cache, &state, &msgs);
+ parser_init(nft->nf_sock, &cache, &state, &msgs);
scanner = scanner_init(&state);
scanner_push_buffer(scanner, &indesc_cmdline, buf);
} else if (filename != NULL) {
- rc = cache_update(nf_sock, &cache, CMD_INVALID, &msgs);
+ rc = cache_update(nft->nf_sock, &cache, CMD_INVALID, &msgs);
if (rc < 0)
return rc;
- parser_init(nf_sock, &cache, &state, &msgs);
+ parser_init(nft->nf_sock, &cache, &state, &msgs);
scanner = scanner_init(&state);
if (scanner_read_file(scanner, filename, &internal_location) < 0)
goto out;
} else if (interactive) {
- if (cli_init(&nft, nf_sock, &cache, &state) < 0) {
+ if (cli_init(nft, nft->nf_sock, &cache, &state) < 0) {
fprintf(stderr, "%s: interactive CLI not supported in this build\n",
argv[0]);
exit(NFT_EXIT_FAILURE);
@@ -410,7 +409,7 @@ int main(int argc, char * const *argv)
exit(NFT_EXIT_FAILURE);
}
- if (nft_run(&nft, nf_sock, &cache, scanner, &state, &msgs) != 0)
+ if (nft_run(nft, nft->nf_sock, &cache, scanner, &state, &msgs) != 0)
rc = NFT_EXIT_FAILURE;
out:
scanner_destroy(scanner);
@@ -418,7 +417,7 @@ out:
xfree(buf);
cache_release(&cache);
iface_cache_release();
- netlink_close_sock(nf_sock);
+ nft_context_free(nft);
nft_global_deinit();
return rc;
--
2.14.1
--
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