!272 适配musl库的参数检查

Merge pull request !272 from 熊磊/0126

services/param/BUILD.gn

@@ -52,6 +52,9 @@ ohos_static_library("param_service") {
   } else {
     sources += [ "adapter/param_dac.c" ]
     defines += [ "PARAM_SUPPORT_DAC" ]
+    if (use_musl) {
+      defines += [ "PARAM_SUPPORT_DAC_CHECK" ]
+    }
   }
 
   deps = [
@@ -93,6 +96,9 @@ ohos_shared_library("param_client") {
   } else {
     sources += [ "adapter/param_dac.c" ]
     defines += [ "PARAM_SUPPORT_DAC" ]
+    if (use_musl) {
+      defines += [ "PARAM_SUPPORT_DAC_CHECK" ]
+    }
   }
 
   deps = [

services/param/adapter/param_dac.c

@@ -217,6 +217,9 @@ static int CheckUserInGroup(gid_t groupId, uid_t uid)
 
 static int CheckParamPermission(const ParamSecurityLabel *srcLabel, const ParamAuditData *auditData, uint32_t mode)
 {
+#ifndef PARAM_SUPPORT_DAC_CHECK
+    return DAC_RESULT_PERMISSION;
+#else
     int ret = DAC_RESULT_FORBIDED;
     PARAM_CHECK(srcLabel != NULL && auditData != NULL && auditData->name != NULL, return ret, "Invalid param");
     PARAM_CHECK((mode & (DAC_READ | DAC_WRITE | DAC_WATCH)) != 0, return ret, "Invalid mode %x", mode);
@@ -243,6 +246,7 @@ static int CheckParamPermission(const ParamSecurityLabel *srcLabel, const ParamA
         auditData->dacData.gid, auditData->dacData.uid, auditData->dacData.mode);
     PARAM_LOGV("%s check %o localMode %o ret %d", auditData->name, mode, localMode, ret);
     return ret;
+#endif
 }
 
 PARAM_STATIC int RegisterSecurityDacOps(ParamSecurityOps *ops, int isInit)

services/param/watcher/BUILD.gn

@@ -13,11 +13,7 @@
 import("//build/ohos.gni")
 
 ohos_prebuilt_etc("param_watcher.rc") {
-  if (use_musl) {
-    source = "etc/param_watcher.cfg"
-  } else {
-    source = "etc/param_watcher.rc"
-  }
+  source = "etc/param_watcher.cfg"
   relative_install_dir = "init"
   part_name = "init"
 }