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iSulad/0062-fix-security-warning.patch
zhangxiaoyu 68738aa0f1 upgrade from upstream 
Signed-off-by: zhangxiaoyu <zhangxiaoyu58@huawei.com>
2023-06-01 12:04:54 +08:00

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From 3f103151b1d54d76bb46179a3dac05e918983e79 Mon Sep 17 00:00:00 2001
From: "Neil.wrz" <wangrunze13@huawei.com>
Date: Sun, 7 May 2023 02:37:30 -0700
Subject: [PATCH 62/79] fix security warning
Signed-off-by: Neil.wrz <wangrunze13@huawei.com>
---
.../oci/storage/image_store/image_store.c | 2 +-
.../remote_layer_support/image_remote_impl.c | 36 +++++++++++++---
.../remote_layer_support/layer_remote_impl.c | 41 +++++++++++++++----
.../overlay_remote_impl.c | 38 ++++++++++++++---
.../remote_layer_support/remote_support.c | 19 ++++++++-
.../ro_symlink_maintain.c | 2 -
.../modules/image/oci/storage/storage.c | 2 +
7 files changed, 116 insertions(+), 24 deletions(-)
diff --git a/src/daemon/modules/image/oci/storage/image_store/image_store.c b/src/daemon/modules/image/oci/storage/image_store/image_store.c
index 7837f9db..d436eba2 100644
--- a/src/daemon/modules/image/oci/storage/image_store/image_store.c
+++ b/src/daemon/modules/image/oci/storage/image_store/image_store.c
@@ -3647,7 +3647,7 @@ int image_store_init(struct storage_module_init_options *opts)
}
#ifdef ENABLE_REMOTE_LAYER_STORE
- remote_image_init(g_image_store->dir);
+ ret = remote_image_init(g_image_store->dir);
#endif
out:
diff --git a/src/daemon/modules/image/oci/storage/remote_layer_support/image_remote_impl.c b/src/daemon/modules/image/oci/storage/remote_layer_support/image_remote_impl.c
index a822ea81..1ac0139f 100644
--- a/src/daemon/modules/image/oci/storage/remote_layer_support/image_remote_impl.c
+++ b/src/daemon/modules/image/oci/storage/remote_layer_support/image_remote_impl.c
@@ -36,10 +36,28 @@ struct remote_image_data *remote_image_create(const char *remote_home, const cha
ERROR("Out of memory");
return NULL;
}
+
data->image_home = remote_home;
image_byid_old = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (image_byid_old == NULL) {
+ ERROR("Failed to cerate image_byid_old");
+ goto free_out;
+ }
+
image_byid_new = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (image_byid_new == NULL) {
+ ERROR("Failed to cerate image_byid_new");
+ goto free_out;
+ }
+
return data;
+
+free_out:
+ map_free(image_byid_old);
+ map_free(image_byid_new);
+ free(data);
+
+ return NULL;
}
void remote_image_destroy(struct remote_image_data *data)
@@ -97,7 +115,9 @@ static int remote_dir_scan(void *data)
// for refresh, we don't care v1 image, cause image should be handled by master isulad
// when master isulad pull images
if (!is_v1_image) {
- map_insert(image_byid_new, util_strdup_s(image_dirs[i]), (void *)&exist);
+ if (!map_insert(image_byid_new, image_dirs[i], (void *)&exist)) {
+ WARN("Failed to insert image %s to map", image_dirs[i]);
+ }
}
}
@@ -113,7 +133,7 @@ static int remote_image_add(void *data)
char *top_layer = NULL;
map_t *tmp_map = NULL;
bool exist = true;
- int i = 0;
+ size_t i = 0;
int ret = 0;
if (data == NULL) {
@@ -127,13 +147,17 @@ static int remote_image_add(void *data)
top_layer = remote_image_get_top_layer_from_json(array_added[i]);
if (top_layer != NULL && !remote_layer_layer_valid(top_layer)) {
WARN("Current not find valid under layer, remoet image:%s not added", array_added[i]);
- map_remove(image_byid_new, (void *)array_added[i]);
+ if (!map_remove(image_byid_new, (void *)array_added[i])) {
+ WARN("image %s will not be loaded from remote.", array_added[i]);
+ }
continue;
}
if (remote_append_image_by_directory_with_lock(array_added[i]) != 0) {
ERROR("Failed to load image into memrory: %s", array_added[i]);
- map_remove(image_byid_new, (void *)array_added[i]);
+ if (!map_remove(image_byid_new, (void *)array_added[i])) {
+ WARN("image %s will not be loaded from remote", array_added[i]);
+ }
ret = -1;
}
}
@@ -141,7 +165,9 @@ static int remote_image_add(void *data)
for (i = 0; i < util_array_len((const char **)array_deleted); i++) {
if (remote_remove_image_from_memory_with_lock(array_deleted[i]) != 0) {
ERROR("Failed to remove remote memory store");
- map_insert(image_byid_new, array_deleted[i], (void *)&exist);
+ if (!map_insert(image_byid_new, array_deleted[i], (void *)&exist)) {
+ WARN("image %s will not be removed from local", array_deleted[i]);
+ }
ret = -1;
}
}
diff --git a/src/daemon/modules/image/oci/storage/remote_layer_support/layer_remote_impl.c b/src/daemon/modules/image/oci/storage/remote_layer_support/layer_remote_impl.c
index 3e3afff6..b1a1e944 100644
--- a/src/daemon/modules/image/oci/storage/remote_layer_support/layer_remote_impl.c
+++ b/src/daemon/modules/image/oci/storage/remote_layer_support/layer_remote_impl.c
@@ -36,13 +36,30 @@ struct remote_layer_data *remote_layer_create(const char *layer_home, const char
ERROR("Out of memory");
return NULL;
}
- data->layer_home = util_strdup_s(layer_home);
- data->layer_ro = util_strdup_s(layer_ro);
+ data->layer_home = layer_home;
+ data->layer_ro = layer_ro;
+
layer_byid_old = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (layer_byid_old == NULL) {
+ ERROR("Failed to cerate layer_byid_old");
+ goto free_out;
+ }
+
layer_byid_new = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (layer_byid_new == NULL) {
+ ERROR("Failed to cerate layer_byid_new");
+ goto free_out;
+ }
return data;
-};
+
+free_out:
+ map_free(layer_byid_old);
+ map_free(layer_byid_new);
+ free(data);
+
+ return NULL;
+}
void remote_layer_destroy(struct remote_layer_data *data)
{
@@ -59,7 +76,7 @@ static bool layer_walk_dir_cb(const char *path_name, const struct dirent *sub_di
{
bool exist = true;
- if (!map_insert(layer_byid_new, util_strdup_s(sub_dir->d_name), (void *)&exist)) {
+ if (!map_insert(layer_byid_new, (void *)sub_dir->d_name, (void *)&exist)) {
ERROR("can't insert remote layer into map");
return false;
}
@@ -165,7 +182,7 @@ static int remote_layer_add(struct remote_layer_data *data)
char **array_deleted = NULL;
map_t *tmp_map = NULL;
bool exist = true;
- int i = 0;
+ size_t i = 0;
if (data == NULL) {
return -1;
@@ -175,15 +192,19 @@ static int remote_layer_add(struct remote_layer_data *data)
array_deleted = remote_deleted_layers(layer_byid_old, layer_byid_new);
for (i = 0; i < util_array_len((const char **)array_added); i++) {
- if (!remote_overlay_layer_valid(array_added[i]) != 0) {
+ if (!remote_overlay_layer_valid(array_added[i])) {
WARN("remote overlay layer current not valid: %s", array_added[i]);
- map_remove(layer_byid_new, (void *)array_added[i]);
+ if (!map_remove(layer_byid_new, (void *)array_added[i])) {
+ WARN("layer %s will not be loaded from remote", array_added[i]);
+ }
continue;
}
if (add_one_remote_layer(data, array_added[i]) != 0) {
ERROR("Failed to add remote layer: %s", array_added[i]);
- map_remove(layer_byid_new, (void *)array_added[i]);
+ if (!map_remove(layer_byid_new, (void *)array_added[i])) {
+ WARN("layer %s will not be loaded from remote", array_added[i]);
+ }
ret = -1;
}
}
@@ -191,7 +212,9 @@ static int remote_layer_add(struct remote_layer_data *data)
for (i = 0; i < util_array_len((const char **)array_deleted); i++) {
if (remove_one_remote_layer(data, array_deleted[i]) != 0) {
ERROR("Failed to delete remote overlay layer: %s", array_deleted[i]);
- map_insert(layer_byid_new, array_deleted[i], (void *)&exist);
+ if (!map_insert(layer_byid_new, array_deleted[i], (void *)&exist)) {
+ WARN("layer %s will not be removed from local", array_deleted[i]);
+ }
ret = -1;
}
}
diff --git a/src/daemon/modules/image/oci/storage/remote_layer_support/overlay_remote_impl.c b/src/daemon/modules/image/oci/storage/remote_layer_support/overlay_remote_impl.c
index de2e583c..30caf175 100644
--- a/src/daemon/modules/image/oci/storage/remote_layer_support/overlay_remote_impl.c
+++ b/src/daemon/modules/image/oci/storage/remote_layer_support/overlay_remote_impl.c
@@ -42,13 +42,37 @@ struct remote_overlay_data *remote_overlay_create(const char *remote_home, const
ERROR("Out of memory");
return NULL;
}
+
data->overlay_home = remote_home;
data->overlay_ro = remote_ro;
+
overlay_byid_old = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (overlay_byid_old == NULL) {
+ ERROR("Failed to cerate overlay_byid_old");
+ goto free_out;
+ }
+
overlay_byid_new = map_new(MAP_STR_BOOL, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (overlay_byid_new == NULL) {
+ ERROR("Failed to cerate overlay_byid_new");
+ goto free_out;
+ }
+
overlay_id_link = map_new(MAP_STR_STR, MAP_DEFAULT_CMP_FUNC, MAP_DEFAULT_FREE_FUNC);
+ if (overlay_id_link == NULL) {
+ ERROR("Failed to cerate overlay_id_link");
+ goto free_out;
+ }
return data;
+
+free_out:
+ map_free(overlay_byid_old);
+ map_free(overlay_byid_new);
+ map_free(overlay_id_link);
+ free(data);
+
+ return NULL;
}
void remote_overlay_destroy(struct remote_overlay_data *data)
@@ -66,7 +90,7 @@ void remote_overlay_destroy(struct remote_overlay_data *data)
static bool overlay_walk_dir_cb(const char *path_name, const struct dirent *sub_dir, void *context)
{
bool exist = true;
- if (!map_insert(overlay_byid_new, util_strdup_s(sub_dir->d_name), (void *)&exist)) {
+ if (!map_insert(overlay_byid_new, (void *)sub_dir->d_name, (void *)&exist)) {
ERROR("can't insert remote layer into map");
return false;
}
@@ -254,7 +278,7 @@ static int add_one_remote_overlay_layer(struct remote_overlay_data *data, const
ret = -1;
}
- if (!map_insert(overlay_id_link, util_strdup_s(overlay_id), (void *)diff_symlink)) {
+ if (!map_insert(overlay_id_link, (void *)overlay_id, (void *)diff_symlink)) {
ERROR("can't insert remote layer into map");
ret = -1;
}
@@ -275,7 +299,7 @@ static int remote_image_add(struct remote_overlay_data *data)
char **array_deleted = NULL;
map_t *tmp_map = NULL;
bool exist = true;
- int i = 0;
+ size_t i = 0;
if (data == NULL) {
return -1;
@@ -287,7 +311,9 @@ static int remote_image_add(struct remote_overlay_data *data)
for (i = 0; i < util_array_len((const char **)array_added); i++) {
if (add_one_remote_overlay_layer(data, array_added[i]) != 0) {
ERROR("Failed to add remote overlay layer: %s", array_added[i]);
- map_remove(overlay_byid_new, (void *)array_added[i]);
+ if (!map_remove(overlay_byid_new, (void *)array_added[i])) {
+ WARN("overlay layer %s will not be loaded from remote", array_added[i]);
+ }
ret = -1;
}
}
@@ -295,7 +321,9 @@ static int remote_image_add(struct remote_overlay_data *data)
for (i = 0; i < util_array_len((const char **)array_deleted); i++) {
if (remove_one_remote_overlay_layer(data, array_deleted[i]) != 0) {
ERROR("Failed to delete remote overlay layer: %s", array_deleted[i]);
- map_insert(overlay_byid_new, array_deleted[i], (void *)&exist);
+ if (!map_insert(overlay_byid_new, array_deleted[i], (void *)&exist)) {
+ WARN("overlay layer %s will be deleted from local", array_deleted[i]);
+ }
ret = -1;
}
}
diff --git a/src/daemon/modules/image/oci/storage/remote_layer_support/remote_support.c b/src/daemon/modules/image/oci/storage/remote_layer_support/remote_support.c
index 7d457755..748298cb 100644
--- a/src/daemon/modules/image/oci/storage/remote_layer_support/remote_support.c
+++ b/src/daemon/modules/image/oci/storage/remote_layer_support/remote_support.c
@@ -65,7 +65,10 @@ static void *remote_refresh_ro_symbol_link(void *arg)
util_usleep_nointerupt(5 * 1000 * 1000);
DEBUG("remote refresh start\n");
- remote_refresh_lock(supporters.remote_lock, true);
+ if (!remote_refresh_lock(supporters.remote_lock, true)) {
+ WARN("Failed to lock remote store failed, try to lock after 5 seconds");
+ continue;
+ }
remote_overlay_refresh(refresh_supporters->overlay_data);
remote_layer_refresh(refresh_supporters->layer_data);
remote_image_refresh(refresh_supporters->image_data);
@@ -127,18 +130,30 @@ static char **map_diff(const map_t *map_a, const map_t *map_b)
char **array = NULL;
map_itor *itor = map_itor_new(map_a);
bool *found = NULL;
+ int ret = 0;
// iter new_map, every item not in old, append them to new_layers
for (; map_itor_valid(itor); map_itor_next(itor)) {
char *id = map_itor_key(itor);
found = map_search(map_b, id);
if (found == NULL) {
- util_array_append(&array, util_strdup_s(id));
+ ret = util_array_append(&array, id);
+ if (ret != 0) {
+ ERROR("Failed to add diff item %s to array", id);
+ break;
+ }
}
}
map_itor_free(itor);
+ // if array is null then return directly
+ // if array is not null, free array and return NULL
+ if (ret != 0 && array != NULL) {
+ util_free_array(array);
+ array = NULL;
+ }
+
return array;
}
diff --git a/src/daemon/modules/image/oci/storage/remote_layer_support/ro_symlink_maintain.c b/src/daemon/modules/image/oci/storage/remote_layer_support/ro_symlink_maintain.c
index a3aa3aa4..0e2b671b 100644
--- a/src/daemon/modules/image/oci/storage/remote_layer_support/ro_symlink_maintain.c
+++ b/src/daemon/modules/image/oci/storage/remote_layer_support/ro_symlink_maintain.c
@@ -27,8 +27,6 @@
#include "utils.h"
#include "utils_file.h"
-#define REMOTE_RO_LAYER_DIR "RO"
-
// overlay-layers and overlay-layers/RO
static char *image_home;
diff --git a/src/daemon/modules/image/oci/storage/storage.c b/src/daemon/modules/image/oci/storage/storage.c
index 836ccf4d..07c3830b 100644
--- a/src/daemon/modules/image/oci/storage/storage.c
+++ b/src/daemon/modules/image/oci/storage/storage.c
@@ -1876,6 +1876,8 @@ int storage_module_init(struct storage_module_init_options *opts)
#ifdef ENABLE_REMOTE_LAYER_STORE
if (opts->enable_remote_layer && remote_start_refresh_thread(opts->remote_lock) != 0) {
ERROR("Failed to start remote refresh thread");
+ ret = -1;
+ goto out;
}
#endif
--
2.25.1
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