gfwleak/tango-maat
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[PATCH]fix potential memory leaks

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This commit is contained in:
liuwentan
2023-10-27 17:31:35 +08:00
parent 9f7c82e6b0
commit 9b5a07ecc6
12 changed files with 29 additions and 9 deletions
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2
src/inc_internal/maat_ex_data.h
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@@ -65,6 +65,8 @@ void ex_data_runtime_set_ex_container_schema(struct ex_data_runtime *ex_data_rt,
struct ex_container *ex_container_new(void *ex_data, void *custom_data);
void ex_container_free(void *ex_data_runtime, void *ex_container);
/* ex_data_runtime ex data API */
void *ex_data_runtime_row2ex_data(struct ex_data_runtime *ex_data_rt,
const char *table_name, const char *row,

2
src/json2iris.c
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@@ -213,6 +213,8 @@ static void clear_iris_descriptor(struct iris_description *iris_cfg)
}
maat_kv_store_free(iris_cfg->str2int_map);
iris_cfg->str2int_map = NULL;
FREE(iris_cfg->encrypt_algo);
FREE(iris_cfg->encrypt_key);

1
src/maat_bool_plugin.c
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@@ -250,6 +250,7 @@ static int bool_plugin_runtime_update_row(struct bool_plugin_runtime *bool_plugi
struct ex_container *ex_container = ex_container_new(ex_data, (void *)expr);
ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len, ex_container);
if (ret < 0) {
ex_container_free(ex_data_rt, ex_container);
return -1;
}
}

12
src/maat_ex_data.c
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@@ -165,15 +165,16 @@ struct ex_container *ex_container_new(void *ex_data, void *custom_data)
return ex_container;
}
void ex_container_free(void *user_ctx, void *data)
void ex_container_free(void *ex_data_runtime, void *ex_container)
{
/* schema is NULL if not call ex_data_runtime_set_ex_container_schema */
if (NULL == user_ctx || NULL == data) {
if (NULL == ex_data_runtime || NULL == ex_container) {
return;
}
struct ex_container *container = (struct ex_container *)data;
struct ex_container_schema *container_schema = (struct ex_container_schema *)user_ctx;
struct ex_container *container = (struct ex_container *)ex_container;
struct ex_data_runtime *ex_data_rt = (struct ex_data_runtime *)ex_data_runtime;
struct ex_container_schema *container_schema = ex_data_rt->ref_container_schema;
/* free ex_container->custom_data */
if (container->custom_data != NULL && container_schema->custom_data_free != NULL) {
@@ -205,8 +206,7 @@ int ex_data_runtime_add_ex_container(struct ex_data_runtime *ex_data_rt,
if (NULL == ex_data_rt->htable) {
/* ex_data_rt->ref_container_schema has been set */
assert(ex_data_rt->ref_container_schema != NULL);
ex_data_rt->htable = rcu_hash_new(ex_container_free,
ex_data_rt->ref_container_schema,
ex_data_rt->htable = rcu_hash_new(ex_container_free, ex_data_rt,
ex_data_rt->gc_timeout_s);
}

1
src/maat_fqdn_plugin.c
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@@ -376,6 +376,7 @@ static int fqdn_plugin_runtime_update_row(struct fqdn_plugin_runtime *fqdn_plugi
struct ex_container *ex_container = ex_container_new(ex_data, (void *)fqdn_plugin_rule);
ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len, ex_container);
if (ret < 0) {
ex_container_free(ex_data_rt, ex_container);
return -1;
}
}

1
src/maat_ip_plugin.c
View File

@@ -333,6 +333,7 @@ static int ip_plugin_runtime_update_row(struct ip_plugin_runtime *ip_plugin_rt,
struct ex_container *ex_container = ex_container_new(ex_data, (void *)ip_plugin_rule);
ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len, ex_container);
if (ret < 0) {
ex_container_free(ex_data_rt, ex_container);
return -1;
}
}

1
src/maat_ipport_plugin.c
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@@ -382,6 +382,7 @@ static int ipport_plugin_runtime_update_row(struct ipport_plugin_runtime *ipport
struct ex_container *ex_container = ex_container_new(ex_data, (void *)ipport_item);
ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len, ex_container);
if (ret < 0) {
ex_container_free(ex_data_rt, ex_container);
return -1;
}
}

1
src/maat_plugin.c
View File

@@ -369,6 +369,7 @@ static int plugin_runtime_update_row(struct plugin_runtime *plugin_rt,
ret = ex_data_runtime_add_ex_container(plugin_rt->ex_data_rt, key, key_len,
ex_container);
if (ret < 0) {
ex_container_free(plugin_rt->ex_data_rt, ex_container);
return -1;
}
plugin_rt->acc_line_num++;

3
src/rcu_hash.c
View File

@@ -61,6 +61,7 @@ static void rcu_hash_garbage_collect_force(struct rcu_hash_table *htable)
while ((p = TAILQ_FIRST(&(htable->garbage_q))) != NULL) {
p->garbage_free(p->garbage);
p->garbage = NULL;
TAILQ_REMOVE(&(htable->garbage_q), p, entries);
FREE(p);
htable->garbage_q_len--;
@@ -77,6 +78,7 @@ void rcu_hash_garbage_collect_routine(struct rcu_hash_table *htable)
if ((now - p->create_time) > htable->gc_timeout_s ||
htable->gc_timeout_s == 0) {
p->garbage_free(p->garbage);
p->garbage = NULL;
TAILQ_REMOVE(&(htable->garbage_q), p, entries);
FREE(p);
htable->garbage_q_len--;
@@ -107,6 +109,7 @@ static void rcu_hash_node_free(struct rcu_hash_node *node)
if (node->data != NULL) {
node->htable->data_free_fn(node->htable->user_ctx, node->data);
node->data = NULL;
}
FREE(node);
}