check file before dlopen.

Signed-off-by: Nyanmengzhao <yanmengzhao1@huawei.com>

services/init/standard/init_cmds.c

@@ -184,18 +184,20 @@ static void DoExec(const struct CmdArgs *ctx)
         INIT_ERROR_CHECK(ctx != NULL && ctx->argv[0] != NULL, _exit(0x7f),
             "DoExec: invalid arguments to exec \"%s\"", ctx->argv[0]);
 #ifdef SUPPORT_PROFILER_HIDEBUG
-        void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
-        if (handle == NULL) {
-            INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
-            return;
+        if (access("/system/lib/libhidebug.so", F_OK) == 0) {
+            void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
+            if (handle == NULL) {
+                INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
+                return;
+            }
+            bool (* initParam)();
+            initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
+            if (initParam == NULL) {
+                INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
+                return;
+            }
+            (*initParam)(ctx->argv[0]);
         }
-        bool (* initParam)();
-        initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
-        if (initParam == NULL) {
-            INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
-            return;
-        }
-        (*initParam)(ctx->argv[0]);
 #endif
         int ret = execv(ctx->argv[0], ctx->argv);
         if (ret == -1) {

services/init/standard/init_service.c

@@ -19,6 +19,7 @@
 #include <string.h>
 #include <sys/param.h>
 #include <sys/resource.h>
+#include <unistd.h>
 
 #include "init_group_manager.h"
 #include "init.h"
@@ -87,18 +88,20 @@ int ServiceExec(const Service *service)
     }
     INIT_CHECK_ONLY_ELOG(unsetenv("UV_THREADPOOL_SIZE") == 0, "set UV_THREADPOOL_SIZE error : %d.", errno);
 #ifdef SUPPORT_PROFILER_HIDEBUG
-    void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
-    if (handle == NULL) {
-        INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
-        return SERVICE_FAILURE;
-    }
-    bool (* initParam)();
-    initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
-    if (initParam == NULL) {
-        INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
-        return SERVICE_FAILURE;
+    if (access("/system/lib/libhidebug.so", F_OK) == 0) {
+        void* handle = dlopen("/system/lib/libhidebug.so", RTLD_LAZY);
+        if (handle == NULL) {
+            INIT_LOGE("Failed to dlopen libhidebug.so, %s\n", dlerror());
+            return SERVICE_FAILURE;
+        }
+        bool (* initParam)();
+        initParam = (bool (*)())dlsym(handle, "InitEnvironmentParam");
+        if (initParam == NULL) {
+            INIT_LOGE("Failed to dlsym InitEnvironmentParam, %s\n", dlerror());
+            return SERVICE_FAILURE;
+        }
+        (*initParam)(service->name);
     }
-    (*initParam)(service->name);
 #endif
     // L2 Can not be reset env
     if (service->extraArgs.argv != NULL && service->extraArgs.count > 0) {