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authorAlvaro Neira <alvaroneay@gmail.com>2015-02-11 22:12:22 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2015-02-13 16:52:56 +0100
commit08c9bfc99382a60b6656ddb25ffdf4baee4df65d (patch)
tree48bffbfb7d2b86842ad508adfcf3e41aa699b887 /src/ruleset.c
parent46a475c4649d101726580800b54b81e204083705 (diff)
ruleset: fix leak in json/xml in set lists
==18632== 285 (16 direct, 269 indirect) bytes in 1 blocks are definitely lost in loss record 6 of 6 ==18632== at 0x4C272B8: calloc (vg_replace_malloc.c:566) ==18632== by 0x5043822: nft_set_list_alloc (set.c:977) ==18632== by 0x5045483: nft_ruleset_json_parse (ruleset.c:442) ==18632== by 0x50458BE: nft_ruleset_do_parse (ruleset.c:696) ==18632== by 0x408AEC: do_command (rule.c:1317) ==18632== by 0x406B05: nft_run (main.c:194) ==18632== by 0x40667C: main (main.c:360) Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/ruleset.c')
-rw-r--r--src/ruleset.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/src/ruleset.c b/src/ruleset.c
index 15e84cf..f5b6d55 100644
--- a/src/ruleset.c
+++ b/src/ruleset.c
@@ -439,10 +439,6 @@ static int nft_ruleset_json_parse_ruleset(struct nft_parse_ctx *ctx,
json_t *node, *array = ctx->json;
int len, i, ret;
- ctx->set_list = nft_set_list_alloc();
- if (ctx->set_list == NULL)
- return -1;
-
len = json_array_size(array);
for (i = 0; i < len; i++) {
node = json_array_get(array, i);
@@ -525,12 +521,16 @@ static int nft_ruleset_json_parse(const void *json,
ctx.cb = cb;
ctx.format = type;
+ ctx.set_list = nft_set_list_alloc();
+ if (ctx.set_list == NULL)
+ return -1;
+
if (arg != NULL)
nft_ruleset_ctx_set(&ctx, NFT_RULESET_CTX_DATA, arg);
root = nft_jansson_create_root(json, &error, err, input);
if (root == NULL)
- return -1;
+ goto err;
array = json_object_get(root, "nftables");
if (array == NULL) {
@@ -554,9 +554,11 @@ static int nft_ruleset_json_parse(const void *json,
goto err;
}
+ nft_set_list_free(ctx.set_list);
nft_jansson_free_root(root);
return 0;
err:
+ nft_set_list_free(ctx.set_list);
nft_jansson_free_root(root);
return -1;
#else
@@ -573,10 +575,6 @@ static int nft_ruleset_xml_parse_ruleset(struct nft_parse_ctx *ctx,
mxml_node_t *node, *array = ctx->xml;
int len = 0, ret;
- ctx->set_list = nft_set_list_alloc();
- if (ctx->set_list == NULL)
- return -1;
-
for (node = mxmlFindElement(array, array, NULL, NULL, NULL,
MXML_DESCEND_FIRST);
node != NULL;
@@ -653,12 +651,16 @@ static int nft_ruleset_xml_parse(const void *xml, struct nft_parse_err *err,
ctx.cb = cb;
ctx.format = type;
+ ctx.set_list = nft_set_list_alloc();
+ if (ctx.set_list == NULL)
+ return -1;
+
if (arg != NULL)
nft_ruleset_ctx_set(&ctx, NFT_RULESET_CTX_DATA, arg);
tree = nft_mxml_build_tree(xml, "nftables", err, input);
if (tree == NULL)
- return -1;
+ goto err;
ctx.xml = tree;
@@ -670,9 +672,11 @@ static int nft_ruleset_xml_parse(const void *xml, struct nft_parse_err *err,
nodecmd = mxmlWalkNext(tree, tree, MXML_NO_DESCEND);
}
+ nft_set_list_free(ctx.set_list);
mxmlDelete(tree);
return 0;
err:
+ nft_set_list_free(ctx.set_list);
mxmlDelete(tree);
return -1;
#else