From 684f0aa648061a13e777153e297a7064ba33ea17 Mon Sep 17 00:00:00 2001
From: liuxu <liuxu156@huawei.com>
Date: Thu, 11 Apr 2024 11:00:44 +0800
Subject: [PATCH 66/69] cdi:support modules version/spec/spec_dirs/device

---
 .../modules/device/cdi/behavior/cdi_device.c  | 100 +++++++-
 .../modules/device/cdi/behavior/cdi_device.h  |  12 +-
 .../modules/device/cdi/behavior/cdi_spec.c    | 220 ++++++++++++++++--
 .../modules/device/cdi/behavior/cdi_spec.h    |  16 +-
 .../device/cdi/behavior/cdi_spec_dirs.c       |  80 +++++++
 .../device/cdi/behavior/cdi_spec_dirs.h       |   2 +-
 .../modules/device/cdi/behavior/cdi_version.c | 173 ++++++++++++--
 .../modules/device/cdi/behavior/cdi_version.h |   1 -
 src/daemon/modules/device/cdi/cdi_cache.c     |  37 +--
 src/daemon/modules/device/cdi/cdi_cache.h     |   1 +
 .../network/cni_operator/libcni/libcni_api.c  |  98 +-------
 src/utils/cutils/utils_version.c              | 147 ++++++++++++
 src/utils/cutils/utils_version.h              |  36 +++
 13 files changed, 748 insertions(+), 175 deletions(-)
 create mode 100644 src/utils/cutils/utils_version.c
 create mode 100644 src/utils/cutils/utils_version.h

diff --git a/src/daemon/modules/device/cdi/behavior/cdi_device.c b/src/daemon/modules/device/cdi/behavior/cdi_device.c
index 0fef8f42..aec3d7c0 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_device.c
+++ b/src/daemon/modules/device/cdi/behavior/cdi_device.c
@@ -14,27 +14,109 @@
  ******************************************************************************/
 #include "cdi_device.h"
 
+#include <isula_libutils/log.h>
+#include <isula_libutils/auto_cleanup.h>
+
+#include "error.h"
+#include "cdi_parser.h"
+#include "cdi_spec.h"
+
+static int cdi_device_validate(struct cdi_cache_device *d);
+
 void free_cdi_cache_device(struct cdi_cache_device *d)
 {
-    (void)d;
+    if (d == NULL) {
+        return;
+    }
+ 
+    /* 
+     * free_cdi_cache_device should not be recursively free raw_device.
+     * Otherwise, the function conflicts with the raw_spec free raw_device
+     * when cdi_cache_spec free raw_spec, triggering double free. 
+     */
+    d->raw_device = NULL;
+ 
+    /* 
+     * free_cdi_cache_device should not be recursively free cache_spec.
+     * Otherwise, the function conflicts with the cache free specs,
+     * triggering double free. 
+     */
+    d->cache_spec = NULL;
+ 
+    free(d);
+}
+
+struct cdi_cache_device *cdi_device_new_device(struct cdi_cache_spec *spec, cdi_device *d)
+{
+    struct cdi_cache_device *dev = NULL;
+
+    if (spec == NULL || d == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+
+    dev = util_common_calloc_s(sizeof(*dev));
+    if (dev == NULL) {
+        ERROR("Out of memory");
+        return NULL;
+    }
+    dev->raw_device = d;
+    dev->cache_spec = spec;
+
+    if (cdi_device_validate(dev) != 0) {
+        free_cdi_cache_device(dev);
+        return NULL;
+    }
+    return dev;
 }
 
-struct cdi_cache_device *cdi_device_new_device(struct cdi_cache_spec *spec, cdi_device *d, char **error)
+const struct cdi_cache_spec *cdi_device_get_spec(const struct cdi_cache_device *d)
 {
-    return NULL;
+    if (d == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return d->cache_spec;
 }
 
-struct cdi_cache_spec *cdi_device_get_spec(struct cdi_cache_device *d)
+char *cdi_device_get_qualified_name(const struct cdi_cache_device *d)
 {
-    return NULL;
+    if (d == NULL || d->raw_device == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return cdi_parser_qualified_name(cdi_spec_get_vendor(d->cache_spec),
+        cdi_spec_get_class(d->cache_spec), d->raw_device->name);
 }
 
-char *cdi_device_get_qualified_name(struct cdi_cache_device *d)
+cdi_container_edits *cdi_device_get_edits(const struct cdi_cache_device *d)
 {
-    return NULL;
+    if (d == NULL || d->raw_device == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return d->raw_device->container_edits;
 }
 
-cdi_container_edits *cdi_device_get_edits(struct cdi_cache_device *d)
+static int cdi_device_validate(struct cdi_cache_device *d)
 {
-    return NULL;
+    cdi_container_edits *edits = NULL;
+
+    if (cdi_parser_validate_device_name(d->raw_device->name) != 0) {
+        ERROR("Failed to validate device name");
+        return -1;
+    }
+
+    // ignore validate annotations
+
+    edits = cdi_device_get_edits(d);
+    if (cdi_container_edits_is_empty(edits)) {
+        ERROR("Invalid device, empty device edits");
+        return -1;
+    }
+    if (cdi_container_edits_validate(edits) != 0) {
+        ERROR("Invalid device %s", d->raw_device->name);
+        return -1;
+    }
+    return 0;
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_device.h b/src/daemon/modules/device/cdi/behavior/cdi_device.h
index 5d63a576..9b0a5eab 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_device.h
+++ b/src/daemon/modules/device/cdi/behavior/cdi_device.h
@@ -28,16 +28,16 @@ extern "C" {
 struct cdi_cache_spec;
 
 struct cdi_cache_device {
-    cdi_device *raw_device;
-    struct cdi_cache_spec *cache_spec;
+    const cdi_device *raw_device;
+    const struct cdi_cache_spec *cache_spec;
 };
 
 void free_cdi_cache_device(struct cdi_cache_device *d);
 
-struct cdi_cache_device *cdi_device_new_device(struct cdi_cache_spec *spec, cdi_device *d, char **error);
-struct cdi_cache_spec *cdi_device_get_spec(struct cdi_cache_device *d);
-char *cdi_device_get_qualified_name(struct cdi_cache_device *d);
-cdi_container_edits *cdi_device_get_edits(struct cdi_cache_device *d);
+struct cdi_cache_device *cdi_device_new_device(struct cdi_cache_spec *spec, cdi_device *d);
+const struct cdi_cache_spec *cdi_device_get_spec(const struct cdi_cache_device *d);
+char *cdi_device_get_qualified_name(const struct cdi_cache_device *d);
+cdi_container_edits *cdi_device_get_edits(const struct cdi_cache_device *d);
 
 #ifdef __cplusplus
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_spec.c b/src/daemon/modules/device/cdi/behavior/cdi_spec.c
index f79b5a44..235b1863 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_spec.c
+++ b/src/daemon/modules/device/cdi/behavior/cdi_spec.c
@@ -14,47 +14,235 @@
  ******************************************************************************/
 #include "cdi_spec.h"
 
+#include <stdlib.h>
+#include <isula_libutils/log.h>
+#include <isula_libutils/auto_cleanup.h>
+
+#include "utils.h"
+#include "utils_version.h"
+#include "error.h"
+#include "path.h"
+#include "cdi_version.h"
+#include "cdi_parser.h"
+#include "cdi_device.h"
+
+static int cdi_spec_init(struct cdi_cache_spec *s);
+
 void free_cdi_cache_spec(struct cdi_cache_spec *s)
 {
-    (void)s;
+    if (s == NULL) {
+        return;
+    }
+ 
+    free_cdi_spec(s->raw_spec);
+    s->raw_spec = NULL;
+    free(s->vendor);
+    s->vendor = NULL;
+    free(s->class);
+    s->class = NULL;
+    free(s->path);
+    s->path = NULL;
+    map_free(s->devices);
+    s->devices = NULL;
+ 
+    free(s);
 }
 
-struct cdi_cache_spec *cdi_spec_read_spec(const char *path, int priority, char **error)
+struct cdi_cache_spec *cdi_spec_read_spec(const char *path, int priority)
 {
-    return NULL;
+    cdi_spec *raw_spec = NULL;
+    __isula_auto_free parser_error err = NULL;
+    char cleanpath[PATH_MAX] = { 0 };
+
+    if (util_clean_path(path, cleanpath, sizeof(cleanpath)) == NULL) {
+        ERROR("Failed to get clean path %s", path);
+        return NULL;
+    }
+    
+    raw_spec = cdi_spec_parse_file(cleanpath, NULL, &err);
+    if (raw_spec == NULL) {
+        ERROR("Failed to read CDI Spec %s: %s", cleanpath, err);
+        return NULL;
+    }
+    DEBUG("Read cdi spec %s", cleanpath);
+
+    return cdi_spec_new_spec(raw_spec, cleanpath, priority);
 }
 
-struct cdi_cache_spec *cdi_spec_new_spec(cdi_spec *raw, const char *path, int priority, char **error)
+struct cdi_cache_spec *cdi_spec_new_spec(cdi_spec *raw, const char *path, int priority)
 {
+    struct cdi_cache_spec *spec = NULL;
+    __isula_auto_free char *checked_path = NULL;
+
+    if (raw == NULL) {
+        ERROR("Invalid param");
+        return NULL;
+    }
+
+    if (!util_has_suffix(path, ".json")) {
+        checked_path = util_string_append(path, CDI_DEFAULT_SPEC_EXT);
+        if (checked_path == NULL) {
+            ERROR("Failed to append %s to path %s", CDI_DEFAULT_SPEC_EXT, path);
+            return NULL;
+        }
+    } else {
+        checked_path = util_strdup_s(path);
+    }
+    spec = util_common_calloc_s(sizeof(*spec));
+    if (spec == NULL) {
+        ERROR("Out of memory");
+        return NULL;
+    }
+    spec->raw_spec = raw;
+    spec->path = checked_path;
+    checked_path = NULL;
+    spec->priority = priority;
+
+    if (cdi_parser_parse_qualifier(raw->kind, &spec->vendor, &spec->class) != 0) {
+        ERROR("Failed to parse kind %s", raw->kind);
+        goto error_out;
+    }
+    if (cdi_spec_init(spec) != 0) {
+        ERROR("Invalid CDI Spec");
+        goto error_out;
+    }
+    
+    return spec;
+
+error_out:
+    free_cdi_cache_spec(spec);
     return NULL;
 }
 
-const char *cdi_spec_get_vendor(struct cdi_cache_spec *s)
+const char *cdi_spec_get_vendor(const struct cdi_cache_spec *s)
 {
-    return NULL;
+    if (s == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return s->vendor;
 }
 
-const char *cdi_spec_get_class(struct cdi_cache_spec *s)
+const char *cdi_spec_get_class(const struct cdi_cache_spec *s)
 {
-    return NULL;
+    if (s == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return s->class;
 }
 
-struct cdi_cache_device *cdi_spec_get_cache_device(struct cdi_cache_spec *s, const char *name)
+struct cdi_cache_device *cdi_spec_get_cache_device(const struct cdi_cache_spec *s, const char *name)
 {
-    return NULL;
+    if (s == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return map_search(s->devices, (void *)name);;
 }
 
-const char *cdi_spec_get_path(struct cdi_cache_spec *s)
+const char *cdi_spec_get_path(const struct cdi_cache_spec *s)
 {
-    return NULL;
+    if (s == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return s->path;
 }
 
-int cdi_spec_get_priority(struct cdi_cache_spec *s)
+int cdi_spec_get_priority(const struct cdi_cache_spec *s)
 {
-    return 0;
+    if (s == NULL) {
+        ERROR("Invalid params");
+        return -1;
+    }
+    return s->priority;
 }
 
-cdi_container_edits *cdi_spec_get_edits(struct cdi_cache_spec *s)
+cdi_container_edits *cdi_spec_get_edits(const struct cdi_cache_spec *s)
 {
-    return NULL;
+    if (s == NULL || s->raw_spec == NULL) {
+        ERROR("Invalid params");
+        return NULL;
+    }
+    return s->raw_spec->container_edits;
+}
+
+static void map_cdi_cache_device_kvfree(void *key, void *value)
+{
+    free(key);
+    free_cdi_cache_device((struct cdi_cache_device *)value);
+}
+
+static int cdi_spec_init(struct cdi_cache_spec *s)
+{
+    const char *min_version = NULL;
+    __isula_auto_free char *spec_version = NULL;
+    cdi_container_edits *edits = NULL;
+    struct cdi_cache_device *dev = NULL;
+    cdi_device *d = NULL;
+    size_t i;
+    bool version_result = true;
+    
+    if (!cdi_is_valid_version(s->raw_spec->cdi_version)) {
+        ERROR("Failed to validate cdi spec version: %s", s->raw_spec->cdi_version);
+        return -1;
+    }
+
+    min_version = cdi_minimum_required_version(s->raw_spec);
+    if (min_version == NULL) {
+        ERROR("Could not determine minimum required version");
+        return -1;
+    }
+    if (util_version_greater_than(min_version, s->raw_spec->cdi_version, &version_result) != 0) {
+        ERROR("Failed to compare version %s and %s", min_version, s->raw_spec->cdi_version);
+        return -1;
+    }
+    if (version_result) {
+        ERROR("The spec version must be at least v%s", min_version);
+        return -1;
+    }
+
+    if (cdi_parser_validate_vendor_name(s->vendor) != 0) {
+        return -1;
+    }
+    if (cdi_parser_validate_class_name(s->class) != 0) {
+        return -1;
+    }
+
+    // ignore validate annotations
+
+    edits = cdi_spec_get_edits(s);
+    if (cdi_container_edits_validate(edits) != 0) {
+        return -1;
+    }
+
+    s->devices = map_new(MAP_STR_PTR, MAP_DEFAULT_CMP_FUNC, map_cdi_cache_device_kvfree);
+    if (s->devices == NULL) {
+        ERROR("Out of memory");
+        return -1;
+    }
+    for (i = 0; i < s->raw_spec->devices_len; i++) {
+        d = s->raw_spec->devices[i];
+        dev = cdi_device_new_device(s, d);
+        if (dev == NULL) {
+            ERROR("Could not determine minimum required version");
+            goto error_out;
+        }
+        if (map_search(s->devices, (void *)d->name) != NULL) {
+            ERROR("Invalid spec, multiple device %s", d->name);
+            goto error_out;
+        }
+        if (!map_insert(s->devices, (void *)d->name, dev)) {
+            ERROR("Failed to insert device %s", d->name);
+            goto error_out;
+        }
+    }
+
+    return 0;
+
+error_out:
+    map_free(s->devices);
+    s->devices = NULL;
+    return -1;
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_spec.h b/src/daemon/modules/device/cdi/behavior/cdi_spec.h
index 87248041..ca7b2cfa 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_spec.h
+++ b/src/daemon/modules/device/cdi/behavior/cdi_spec.h
@@ -40,14 +40,14 @@ struct cdi_cache_spec {
  
 void free_cdi_cache_spec(struct cdi_cache_spec *s);
 
-struct cdi_cache_spec *cdi_spec_read_spec(const char *path, int priority, char **error);
-struct cdi_cache_spec *cdi_spec_new_spec(cdi_spec *raw, const char *path, int priority, char **error);
-const char *cdi_spec_get_vendor(struct cdi_cache_spec *s);
-const char *cdi_spec_get_class(struct cdi_cache_spec *s);
-struct cdi_cache_device *cdi_spec_get_cache_device(struct cdi_cache_spec *s, const char *name);
-const char *cdi_spec_get_path(struct cdi_cache_spec *s);
-int cdi_spec_get_priority(struct cdi_cache_spec *s);
-cdi_container_edits *cdi_spec_get_edits(struct cdi_cache_spec *s);
+struct cdi_cache_spec *cdi_spec_read_spec(const char *path, int priority);
+struct cdi_cache_spec *cdi_spec_new_spec(cdi_spec *raw, const char *path, int priority);
+const char *cdi_spec_get_vendor(const struct cdi_cache_spec *s);
+const char *cdi_spec_get_class(const struct cdi_cache_spec *s);
+struct cdi_cache_device *cdi_spec_get_cache_device(const struct cdi_cache_spec *s, const char *name);
+const char *cdi_spec_get_path(const struct cdi_cache_spec *s);
+int cdi_spec_get_priority(const struct cdi_cache_spec *s);
+cdi_container_edits *cdi_spec_get_edits(const struct cdi_cache_spec *s);
 
 #ifdef __cplusplus
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.c b/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.c
index e340abc0..cafb52b8 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.c
+++ b/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.c
@@ -14,6 +14,17 @@
  ******************************************************************************/
 #include "cdi_spec_dirs.h"
 
+#include <sys/stat.h>
+#include <isula_libutils/log.h>
+#include <isula_libutils/auto_cleanup.h>
+
+#include "utils.h"
+#include "path.h"
+#include "error.h"
+#include "utils_file.h"
+#include "utils_array.h"
+#include "cdi_spec.h"
+
 #define DEFAULT_SPEC_DIRS_LEN   2
 static char *default_spec_dirs_items[DEFAULT_SPEC_DIRS_LEN] = {CDI_DEFAULT_STATIC_DIR, CDI_DEFAULT_DYNAMIC_DIR};
  
@@ -23,7 +34,76 @@ string_array g_default_spec_dirs = {
     .cap = DEFAULT_SPEC_DIRS_LEN,
 };
  
+struct scan_spec_dir_cb_args {
+    struct cdi_scan_fn_maps *scan_fn_maps;
+    cdi_scan_spec_func scan_fn;
+    int priority;
+};
+
+static bool scan_spec_dir_cb(const char *dir, const struct dirent *pdirent, void *context)
+{
+    struct scan_spec_dir_cb_args *args = (struct scan_spec_dir_cb_args *)context;
+    struct cdi_scan_fn_maps *scan_fn_maps = args->scan_fn_maps;
+    cdi_scan_spec_func scan_fn = args->scan_fn;
+    int priority = args->priority;
+    struct stat st = { 0 };
+    __isula_auto_free char *file_path = NULL;
+    struct cdi_cache_spec *cache_spec = NULL;
+
+    file_path = util_path_join(dir, pdirent->d_name);
+    if (file_path == NULL) {
+        ERROR("Failed to get path %s/%s", dir, pdirent->d_name);
+        goto error_out;
+    }
+
+    if (lstat(file_path, &st) != 0) {
+        ERROR("Failed to lstat %s", file_path);
+        goto error_out;
+    }
+    if (S_ISDIR(st.st_mode)) {
+        DEBUG("Skip dir %s", file_path);
+        return true;
+    }
+    
+    if (!util_has_suffix(file_path, ".json")) {
+        DEBUG("Skip file %s", file_path);
+        return true;
+    }
+
+    cache_spec = cdi_spec_read_spec(file_path, priority);
+    if (cache_spec == NULL) {
+        ERROR("Failed to read spec %s", file_path);
+        goto error_out;
+    }
+    scan_fn(scan_fn_maps, file_path, priority, cache_spec);
+    return true;
+
+error_out:
+    *(scan_fn_maps->refresh_error_flag) = true;
+    return true;
+}
+
 int cdi_scan_spec_dirs(string_array *dirs, struct cdi_scan_fn_maps *scan_fn_maps, cdi_scan_spec_func scan_fn)
 {
+    size_t i;
+    int nret = 0;
+
+    for (i = 0; i < dirs->len; i++) {
+        struct scan_spec_dir_cb_args args = {
+            .scan_fn_maps = scan_fn_maps,
+            .scan_fn = scan_fn,
+            .priority = i,
+        };
+        if (!util_dir_exists(dirs->items[i])) {
+            WARN("Cdi dir %s not exists", dirs->items[i]);
+            continue;
+        }
+        nret = util_scan_subdirs(dirs->items[i], scan_spec_dir_cb, &args);
+        if (nret != 0) {
+            ERROR("Failed to scan dir %s", dirs->items[i]);
+            return -1;
+        }
+    }
+
     return 0;
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.h b/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.h
index eedcabad..b17a0cd8 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.h
+++ b/src/daemon/modules/device/cdi/behavior/cdi_spec_dirs.h
@@ -35,7 +35,7 @@ struct cdi_scan_fn_maps {
     bool *refresh_error_flag;
 };
 typedef void(*cdi_scan_spec_func)(struct cdi_scan_fn_maps *scan_fn_maps, const char *path, int priority,
-                                    struct cdi_cache_spec *spec, char *error);
+                                  struct cdi_cache_spec *spec);
 
 int cdi_scan_spec_dirs(string_array *dirs, struct cdi_scan_fn_maps *scan_fn_maps, cdi_scan_spec_func scan_fn);
 
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_version.c b/src/daemon/modules/device/cdi/behavior/cdi_version.c
index 3e87c111..882a965e 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_version.c
+++ b/src/daemon/modules/device/cdi/behavior/cdi_version.c
@@ -14,27 +14,174 @@
  ******************************************************************************/
 #include "cdi_version.h"
 
-#define CDI_V_CURRENT_VERSION "v"##CDI_CURRENT_VERSION
-
-#define CDI_V010        "v0.1.0"
-#define CDI_V020        "v0.2.0"
-#define CDI_V030        "v0.3.0"
-#define CDI_V040        "v0.4.0"
-#define CDI_V050        "v0.5.0"
-#define CDI_V060        "v0.6.0"
+#include <ctype.h>
+#include <isula_libutils/log.h>
+#include <isula_libutils/auto_cleanup.h>
+
+#include "error.h"
+#include "utils_version.h"
+#include "utils_string.h"
+#include "cdi_container_edits.h"
+#include "cdi_parser.h"
+
+#define CDI_V010        "0.1.0"
+#define CDI_V020        "0.2.0"
+#define CDI_V030        "0.3.0"
+#define CDI_V040        "0.4.0"
+#define CDI_V050        "0.5.0"
+#define CDI_V060        "0.6.0"
 #define CDI_V_EARLIEST  CDI_V030
 
-const char *cdi_minimum_required_version(cdi_spec *spec)
+typedef bool (*required_version_cb)(cdi_spec *spec);
+
+struct required_version_map {
+    char *version;
+    required_version_cb cb;
+};
+
+static bool requires_v060(cdi_spec *spec)
+{
+    size_t i;
+    int ret = 0;
+    __isula_auto_free char *vendor = NULL;
+    __isula_auto_free char *class = NULL;
+
+    // The 0.6.0 spec allows annotations to be specified at a spec level
+    if (spec->annotations != NULL) {
+        return true;
+    }
+
+    // The 0.6.0 spec allows annotations to be specified at a device level
+    if (spec->devices != NULL) {
+        for (i = 0; i < spec->devices_len; i++) {
+            if (spec->devices[i]->annotations != NULL) {
+                return true;
+            }
+        }
+    }
+
+    // The 0.6.0 spec allows dots "." in Kind name label (class)
+    ret = cdi_parser_parse_qualifier(spec->kind, &vendor, &class);
+    if (ret == 0 && vendor != NULL) {
+        if (util_strings_count(class, '.') > 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static bool check_host_path(cdi_container_edits *e)
 {
-    return NULL;
+    size_t i;
+
+    if (e == NULL) {
+        return false;
+    }
+    for (i = 0; i < e->device_nodes_len; i++) {
+        // The HostPath field was added in 0.5.0
+        if (e->device_nodes[i]->host_path != NULL) {
+            return true;
+        }
+    }
+    return false;
 }
 
-bool cdi_is_greater_than_version(const char *v, const char *o)
+static bool requires_v050(cdi_spec *spec)
 {
-    return true;
+    size_t i;
+
+    for (i = 0; i < spec->devices_len; i++) {
+        // The 0.5.0 spec allowed device names to start with a digit instead of requiring a letter
+        if (spec->devices[i]->name != NULL && strlen(spec->devices[i]->name) > 0 &&
+            !isalpha(spec->devices[i]->name[0])) {
+            return true;
+        }
+        if (check_host_path(spec->devices[i]->container_edits)) {
+            return true;
+        }
+    }
+
+    return check_host_path(spec->container_edits);
+}
+
+static bool check_mount_type(cdi_container_edits *e)
+{
+    size_t i;
+
+    if (e == NULL) {
+        return false;
+    }
+    for (i = 0; i < e->mounts_len; i++) {
+        // The Type field was added in 0.4.0
+        if (e->mounts[i]->type != NULL) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static bool requires_v040(cdi_spec *spec)
+{
+    size_t i;
+
+    for (i = 0; i < spec->devices_len; i++) {
+        if (check_mount_type(spec->devices[i]->container_edits)) {
+            return true;
+        }
+    }
+
+    return check_mount_type(spec->container_edits);
+}
+
+#define VALID_SPEC_VERSIONS_LEN 6
+static struct required_version_map g_valid_spec_versions[VALID_SPEC_VERSIONS_LEN] = {
+    {CDI_V010, NULL},
+    {CDI_V020, NULL},
+    {CDI_V030, NULL},
+    {CDI_V040, requires_v060},
+    {CDI_V050, requires_v050},
+    {CDI_V060, requires_v040}
+};
+
+const char *cdi_minimum_required_version(cdi_spec *spec)
+{
+    const char *min_version = CDI_V_EARLIEST;
+    int i;
+    bool result = true;
+
+    if (spec == NULL) {
+        return NULL;
+    }
+
+    for (i = 0; i < VALID_SPEC_VERSIONS_LEN; i++) {
+        if (g_valid_spec_versions[i].cb == NULL) {
+            continue;
+        }
+        if (g_valid_spec_versions[i].cb(spec)) {
+            if (util_version_greater_than(g_valid_spec_versions[i].version, min_version, &result) != 0) {
+                ERROR("Failed to compare version %s and %s", g_valid_spec_versions[i].version, min_version);
+                return NULL;
+            }
+            if (result) {
+                min_version = g_valid_spec_versions[i].version;
+            }
+        }
+        if (strcmp(min_version, CDI_CURRENT_VERSION)) {
+            break;
+        }
+    }
+
+    return min_version;
 }
 
 bool cdi_is_valid_version(const char *spec_version)
 {
-    return true;
+    int i;
+    
+    for (i = 0; i < VALID_SPEC_VERSIONS_LEN; i++) {
+        if (strcmp(g_valid_spec_versions[i].version, spec_version) == 0) {
+            return true;
+        }
+    }
+    return false;
 }
diff --git a/src/daemon/modules/device/cdi/behavior/cdi_version.h b/src/daemon/modules/device/cdi/behavior/cdi_version.h
index 99b7e692..6bd86340 100644
--- a/src/daemon/modules/device/cdi/behavior/cdi_version.h
+++ b/src/daemon/modules/device/cdi/behavior/cdi_version.h
@@ -24,7 +24,6 @@ extern "C" {
 #define CDI_CURRENT_VERSION "0.6.0"
 
 const char *cdi_minimum_required_version(cdi_spec *spec);
-bool cdi_is_greater_than_version(const char *v, const char *o);
 bool cdi_is_valid_version(const char *spec_version);
 
 #ifdef __cplusplus
diff --git a/src/daemon/modules/device/cdi/cdi_cache.c b/src/daemon/modules/device/cdi/cdi_cache.c
index 37767855..e637f7cd 100644
--- a/src/daemon/modules/device/cdi/cdi_cache.c
+++ b/src/daemon/modules/device/cdi/cdi_cache.c
@@ -206,13 +206,12 @@ static void map_cdi_cache_specs_kvfree(void *key, void *value)
 static void map_cdi_cache_device_kvfree(void *key, void *value)
 {
     free(key);
-    free_cdi_cache_device((struct cdi_cache_device *)value);
-}
-
-static void set_refresh_error_flag(bool *refresh_error_flag, const char *error, const char *path)
-{
-    *refresh_error_flag = true;
-    ERROR("Cdi refresh error: %s, spec %s", error, path);
+    /* 
+     * map_cdi_cache_device_kvfree should not be recursively free cdi_cache_device.
+     * Otherwise, the function conflicts with the cdi_cache_specs free devices,
+     * triggering double free. 
+     */
+    (void)value;
 }
 
 static bool resolve_conflict(struct cdi_scan_fn_maps *scan_fn_maps, const char *name,
@@ -220,8 +219,8 @@ static bool resolve_conflict(struct cdi_scan_fn_maps *scan_fn_maps, const char *
 {
     map_t *conflicts = scan_fn_maps->conflicts;
     bool *refresh_error_flag = scan_fn_maps->refresh_error_flag;
-    struct cdi_cache_spec *dev_spec = NULL;
-    struct cdi_cache_spec *old_spec = NULL;
+    const struct cdi_cache_spec *dev_spec = NULL;
+    const struct cdi_cache_spec *old_spec = NULL;
     int dev_prio;
     int old_prio;
     bool val = true;
@@ -251,7 +250,7 @@ static bool resolve_conflict(struct cdi_scan_fn_maps *scan_fn_maps, const char *
 }
 
 static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const char *path, 
-                                    int priority, struct cdi_cache_spec *spec, char *error)
+                                    int priority, struct cdi_cache_spec *spec)
 {
     map_t *specs = scan_fn_maps->specs;
     map_t *devices = scan_fn_maps->devices;
@@ -267,12 +266,6 @@ static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const
 
     if (util_clean_path(path, clean_path, sizeof(clean_path)) == NULL) {
         ERROR("Failed to get clean path %s", path);
-        format_errorf(&tmp_error, "Failed to get clean path %s", path);
-        return;
-    }
-    if (error != NULL) {
-        ERROR("Failed to load CDI Spec %s", error);
-        format_errorf(&tmp_error, "Failed to load CDI Spec %s", error);
         goto error_out;
     }
 
@@ -282,18 +275,15 @@ static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const
         spec_array = util_common_array_new(1, (free_common_array_item_cb)free_cdi_cache_spec, util_clone_ptr);
         if (spec_array == NULL) {
             ERROR("Out of memory");
-            tmp_error = util_strdup_s("Out of memory");
             goto error_out;
         }
         if (!map_insert(specs, (void *)vendor, spec_array)) {
             ERROR("Failed to insert spec array to specs");
-            tmp_error = util_strdup_s("Failed to insert spec array to specs");
             goto error_out;
         }
     }
     if (util_append_common_array(spec_array, spec) != 0) {
         ERROR("Failed to append spec");
-        tmp_error = util_strdup_s("Failed to append spec");
         goto error_out;
     }
     spec_array = NULL;
@@ -301,7 +291,6 @@ static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const
     itor = map_itor_new(spec->devices);
     if (itor == NULL) {
         ERROR("Out of memory, create new map itor failed");
-        tmp_error = util_strdup_s("Out of memory, create new map itor failed");
         goto error_out;
     }
     for (; map_itor_valid(itor); map_itor_next(itor)) {
@@ -315,7 +304,6 @@ static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const
         }
         if (!map_replace(devices, (void *)qualified, dev)) {
             ERROR("Failed to insert device to devices by name %s", qualified);
-            format_errorf(&tmp_error, "Failed to insert device to devices by name %s", qualified);
             goto error_out;
         }
         free(qualified);
@@ -324,7 +312,7 @@ static void refresh_scan_spec_func(struct cdi_scan_fn_maps *scan_fn_maps, const
     goto out;
 
 error_out:
-    set_refresh_error_flag(refresh_error_flag, tmp_error, path);
+    *refresh_error_flag = true;
 out:
     map_itor_free(itor);
     return;
@@ -333,7 +321,6 @@ out:
 static int refresh(struct cdi_cache *c)
 {
     int ret = 0;
-    __isula_auto_free char *error = NULL;
     map_t *specs = NULL;
     map_t *devices = NULL;
     map_t *conflicts = NULL;
@@ -559,8 +546,6 @@ error_out:
 
 static void watch_setup(struct cdi_watch *w, string_array *dirs)
 {
-    __isula_auto_free char *error = NULL;
-
     if (w == NULL || dirs == NULL || dirs->len == 0) {
         ERROR("Invalid param");
         return;
@@ -735,7 +720,6 @@ static void update_add_watch_dir(struct cdi_watch *w, const char *dir, bool *upd
 {
     int wd = -1;
     bool tmp_value = true;
-    __isula_auto_free char *error = NULL;
 
     wd = inotify_add_watch(w->watcher_fd, dir, CDI_WATCH_EVENTS);
     if (wd < 0) {
@@ -770,7 +754,6 @@ static bool watch_update(struct cdi_watch *w, const char *removed, int wd)
     bool *ok = NULL;
     bool update = false;
     map_itor *itor = NULL;
-    __isula_auto_free char *error = NULL;
 
     itor = map_itor_new(w->tracked);
     if (itor == NULL) {
diff --git a/src/daemon/modules/device/cdi/cdi_cache.h b/src/daemon/modules/device/cdi/cdi_cache.h
index da315de2..638e954e 100644
--- a/src/daemon/modules/device/cdi/cdi_cache.h
+++ b/src/daemon/modules/device/cdi/cdi_cache.h
@@ -52,6 +52,7 @@ struct cdi_cache {
     pthread_mutex_t mutex;
     string_array *spec_dirs; // cdi-spec-dirs will scan for CDI Spec files
     map_t *specs;        // MAP_STR_PTR     specs[vendor] = common_array of cdi_cache_spec*
+    // This map holding the reference to cdi device, the devices will not released when the map is freed.
     map_t *devices;      // MAP_STR_PTR     devices[cdi_device.name] = cdi_cache_device*
     bool refresh_error_flag;
     bool auto_refresh; 
diff --git a/src/daemon/modules/network/cni_operator/libcni/libcni_api.c b/src/daemon/modules/network/cni_operator/libcni/libcni_api.c
index 068881be..7ba983af 100644
--- a/src/daemon/modules/network/cni_operator/libcni/libcni_api.c
+++ b/src/daemon/modules/network/cni_operator/libcni/libcni_api.c
@@ -28,6 +28,7 @@
 #include <isula_libutils/auto_cleanup.h>
 
 #include "utils.h"
+#include "utils_version.h"
 #include "utils_network.h"
 #include "libcni_cached.h"
 #include "libcni_conf.h"
@@ -544,97 +545,6 @@ free_out:
     return ret;
 }
 
-struct parse_version {
-    int major;
-    int minor;
-    int micro;
-};
-
-static bool do_parse_version(const char **splits, size_t splits_len, struct parse_version *ret)
-{
-    if (util_safe_int(splits[0], &ret->major) != 0) {
-        ERROR("failed to convert major version part: %s", splits[0]);
-        return false;
-    }
-
-    if (splits_len >= 2 && util_safe_int(splits[1], &ret->minor) != 0) {
-        ERROR("failed to convert minor version part: %s", splits[1]);
-        return false;
-    }
-
-    if (splits_len >= 3 && util_safe_int(splits[2], &ret->micro) != 0) {
-        ERROR("failed to convert micro version part: %s", splits[2]);
-        return false;
-    }
-
-    return true;
-}
-
-static bool parse_version_from_str(const char *src_version, struct parse_version *result)
-{
-    char **splits = NULL;
-    const size_t max_len = 4;
-    size_t tlen = 0;
-    bool ret = false;
-
-    splits = util_string_split(src_version, '.');
-    if (splits == NULL) {
-        ERROR("Split version: \"%s\" failed", src_version);
-        return false;
-    }
-    tlen = util_array_len((const char **)splits);
-    if (tlen < 1 || tlen >= max_len) {
-        ERROR("Invalid version: \"%s\"", src_version);
-        goto out;
-    }
-
-    ret = do_parse_version((const char **)splits, tlen, result);
-
-out:
-    util_free_array(splits);
-    return ret;
-}
-
-static bool do_compare_version(const struct parse_version *p_first, const struct parse_version *p_second)
-{
-    bool ret = false;
-
-    if (p_first->major > p_second->major) {
-        ret = true;
-    } else if (p_first->major == p_second->major) {
-        if (p_first->minor > p_second->minor) {
-            ret = true;
-        } else if (p_first->minor == p_second->minor && p_first->micro >= p_second->micro) {
-            ret = true;
-        }
-    }
-
-    return ret;
-}
-
-static int version_greater_than_or_equal_to(const char *first, const char *second, bool *result)
-{
-    struct parse_version first_parsed = { 0 };
-    struct parse_version second_parsed = { 0 };
-
-    if (result == NULL) {
-        ERROR("Invalid argument");
-        return -1;
-    }
-
-    if (!parse_version_from_str(first, &first_parsed)) {
-        return -1;
-    }
-
-    if (!parse_version_from_str(second, &second_parsed)) {
-        return -1;
-    }
-
-    *result = do_compare_version(&first_parsed, &second_parsed);
-
-    return 0;
-}
-
 static inline bool check_add_network_args(const cni_net_conf *net, const struct runtime_conf *rc)
 {
     return (net == NULL || rc == NULL);
@@ -690,7 +600,7 @@ int cni_add_network_list(const struct cni_network_list_conf *list, const struct
     }
 
     if (*pret != NULL &&
-        version_greater_than_or_equal_to((*pret)->cniversion, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
+        util_version_greater_than_or_equal_to((*pret)->cniversion, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
         return 0;
     }
 
@@ -741,7 +651,7 @@ int cni_del_network_list(const struct cni_network_list_conf *list, const struct
         return -1;
     }
 
-    if (version_greater_than_or_equal_to(list->list->cni_version, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
+    if (util_version_greater_than_or_equal_to(list->list->cni_version, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
         return -1;
     }
 
@@ -807,7 +717,7 @@ int cni_check_network_list(const struct cni_network_list_conf *list, const struc
         return -1;
     }
 
-    if (version_greater_than_or_equal_to(list->list->cni_version, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
+    if (util_version_greater_than_or_equal_to(list->list->cni_version, SUPPORT_CACHE_AND_CHECK_VERSION, &greater) != 0) {
         return -1;
     }
 
diff --git a/src/utils/cutils/utils_version.c b/src/utils/cutils/utils_version.c
new file mode 100644
index 00000000..9dea5b09
--- /dev/null
+++ b/src/utils/cutils/utils_version.c
@@ -0,0 +1,147 @@
+/******************************************************************************
+ * Copyright (c) Huawei Technologies Co., Ltd. 2018-2022. All rights reserved.
+ * iSulad licensed under the Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *     http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+ * PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ * Author: liuxu
+ * Create: 2024-4-7
+ * Description: provide version functions
+ ********************************************************************************/
+
+#define _GNU_SOURCE
+#include "utils_version.h"
+
+#include <isula_libutils/log.h>
+
+#include "utils.h"
+#include "utils_string.h"
+
+struct parse_version {
+    int major;
+    int minor;
+    int micro;
+};
+
+static bool do_parse_version(const char **splits, size_t splits_len, struct parse_version *ret)
+{
+    if (util_safe_int(splits[0], &ret->major) != 0) {
+        ERROR("Failed to convert major version part: %s", splits[0]);
+        return false;
+    }
+
+    if (splits_len >= 2 && util_safe_int(splits[1], &ret->minor) != 0) {
+        ERROR("Failed to convert minor version part: %s", splits[1]);
+        return false;
+    }
+
+    if (splits_len >= 3 && util_safe_int(splits[2], &ret->micro) != 0) {
+        ERROR("Failed to convert micro version part: %s", splits[2]);
+        return false;
+    }
+
+    return true;
+}
+
+static bool parse_version_from_str(const char *src_version, struct parse_version *result)
+{
+    __isula_auto_array_t char **splits = NULL;
+    const size_t max_len = 4;
+    size_t tlen = 0;
+    bool ret = false;
+
+    splits = util_string_split(src_version, '.');
+    if (splits == NULL) {
+        ERROR("Split version: \"%s\" failed", src_version);
+        return false;
+    }
+    tlen = util_array_len((const char **)splits);
+    if (tlen < 1 || tlen >= max_len) {
+        ERROR("Invalid version: \"%s\"", src_version);
+        return false;
+    }
+
+    ret = do_parse_version((const char **)splits, tlen, result);
+
+    return ret;
+}
+
+static int do_compare_version(const struct parse_version *p_first, const struct parse_version *p_second)
+{
+    if (p_first->major != p_second->major) {
+        return p_first->major - p_second->major;
+    }
+    if (p_first->minor != p_second->minor) {
+        return p_first->minor - p_second->minor;
+    }
+    if (p_first->micro != p_second->micro) {
+        return p_first->micro - p_second->micro;
+    }
+
+    return 0;
+}
+
+int util_version_compare(const char *first, const char *second, int *diff_value)
+{
+    struct parse_version first_parsed = { 0 };
+    struct parse_version second_parsed = { 0 };
+
+    if (first == NULL || second == NULL || diff_value == NULL) {
+        ERROR("Invalid argument");
+        return -1;
+    }
+
+    if (!parse_version_from_str(first, &first_parsed)) {
+        return -1;
+    }
+
+    if (!parse_version_from_str(second, &second_parsed)) {
+        return -1;
+    }
+
+    *diff_value = do_compare_version(&first_parsed, &second_parsed);
+
+    return 0;
+}
+
+int util_version_greater_than(const char *first, const char *second, bool *result)
+{
+    int ret;
+    int diff_value = 0;
+
+    if (result == NULL) {
+        ERROR("Invalid argument");
+        return -1;
+    }
+
+    ret = util_version_compare(first, second, &diff_value);
+    if (ret != 0) {
+        return ret;
+    }
+
+    *result = (diff_value > 0);
+    return ret;
+}
+
+int util_version_greater_than_or_equal_to(const char *first, const char *second, bool *result)
+{
+    int ret;
+    int diff_value = 0;
+
+    if (result == NULL) {
+        ERROR("Invalid argument");
+        return -1;
+    }
+
+    ret = util_version_compare(first, second, &diff_value);
+    if (ret != 0) {
+        return ret;
+    }
+
+    *result = (diff_value >= 0);
+    return ret;
+}
diff --git a/src/utils/cutils/utils_version.h b/src/utils/cutils/utils_version.h
new file mode 100644
index 00000000..f9b543b8
--- /dev/null
+++ b/src/utils/cutils/utils_version.h
@@ -0,0 +1,36 @@
+/******************************************************************************
+ * Copyright (c) Huawei Technologies Co., Ltd. 2018-2022. All rights reserved.
+ * iSulad licensed under the Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *     http://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+ * PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ * Author: liuxu
+ * Create: 2024-4-7
+ * Description: provide version functions
+ ********************************************************************************/
+
+#ifndef UTILS_CUTILS_UTILS_VERSION_H
+#define UTILS_CUTILS_UTILS_VERSION_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int util_version_compare(const char *first, const char *second, int *diff_value);
+int util_version_greater_than(const char *first, const char *second, bool *result);
+int util_version_greater_than_or_equal_to(const char *first, const char *second, bool *result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // UTILS_CUTILS_UTILS_VERSION_H
\ No newline at end of file
-- 
2.34.1

