adapt dynamic file lable

Signed-off-by: Nrenwei <renwei8@huawei.com>
Change-Id: I62fdd2e626ee22a02de0c933a9950eb286b74ec1

services/init/init_common_cmds.c

@@ -36,6 +36,9 @@
 #include "init_plugin_manager.h"
 #include "init_service_manager.h"
 #include "init_utils.h"
+#ifdef WITH_SELINUX
+#include "policycoreutils.h"
+#endif
 #include "securec.h"
 
 static char *g_fileCryptOptions = NULL;
@@ -321,6 +324,13 @@ static void DoMkDir(const struct CmdArgs *ctx)
         INIT_LOGE("DoMkDir, failed for '%s', err %d.", ctx->argv[0], errno);
         return;
     }
+
+#ifdef WITH_SELINUX
+    if (RestoreconRecurse(ctx->argv[0])) {
+        INIT_LOGE("DoMkDir, Restorecon failed for '%s', err %d.", ctx->argv[0], errno);
+    }
+#endif
+
     if (ctx->argc <= 1) {
         return;
     }

services/init/standard/init.c

@@ -230,13 +230,14 @@ void SystemLoadSelinux(void)
 {
 #ifdef WITH_SELINUX
     // load selinux policy and context
-    if (load_policy() < 0) {
+    if (LoadPolicy() < 0) {
         INIT_LOGE("main, load_policy failed.");
     } else {
         INIT_LOGI("main, load_policy success.");
     }
 
     setcon("u:r:init:s0");
+    (void)RestoreconRecurse("/dev");
 #endif // WITH_SELINUX
 }
 
@@ -272,6 +273,10 @@ void SystemConfig(void)
     InitParamService();
     RegisterBootStateChange(BootStateChange);
 
+    // load SELinux context and policy
+    // Do not move position!
+    SystemLoadSelinux();
+
     // parse parameters
     LoadDefaultParams("/system/etc/param/ohos_const", LOAD_PARAM_NORMAL);
     LoadDefaultParams("/vendor/etc/param", LOAD_PARAM_NORMAL);
@@ -290,8 +295,6 @@ void SystemConfig(void)
     PostTrigger(EVENT_TRIGGER_BOOT, "pre-init", strlen("pre-init"));
     PostTrigger(EVENT_TRIGGER_BOOT, "init", strlen("init"));
     PostTrigger(EVENT_TRIGGER_BOOT, "post-init", strlen("post-init"));
-    // load SELinux context and policy
-    SystemLoadSelinux();
 }
 
 void SystemRun(void)

services/init/standard/init_cmds.c

@@ -274,9 +274,14 @@ static void DoUmountFstabFile(const struct CmdArgs *ctx)
 static void DoRestorecon(const struct CmdArgs *ctx)
 {
 #ifdef WITH_SELINUX
-    INIT_LOGI("start restorecon ......\n");
-    restorecon();
-    INIT_LOGI("finish restorecon ......\n");
+    if (ctx->argc != 1) {
+        INIT_LOGE("DoRestorecon invalid arguments.");
+        return;
+    }
+
+    if (RestoreconRecurse(ctx->argv[0])) {
+        INIT_LOGE("DoRestorecon failed for '%s', err %d.", ctx->argv[0], errno);
+    }
 #endif
     return;
 }
@@ -498,7 +503,7 @@ static const struct CmdTable g_cmdTable[] = {
     { "ifup ", 1, 1, DoIfup },
     { "mount_fstab ", 1, 1, DoMountFstabFile },
     { "umount_fstab ", 1, 1, DoUmountFstabFile },
-    { "restorecon ", 0, 1, DoRestorecon },
+    { "restorecon ", 1, 1, DoRestorecon },
     { "stopAllServices ", 0, 10, DoStopAllServices },
     { "umount ", 1, 1, DoUmount },
     { "sync ", 0, 1, DoSync },

ueventd/BUILD.gn

@@ -99,6 +99,12 @@ if (defined(ohos_lite)) {
     include_dirs = service_ueventd_include
     deps = service_ueventd_deps
     defines = [ "__RAMDISK__" ]
+    cflags = []
+
+    if (build_selinux) {
+      external_deps = [ "selinux:librestorecon" ]
+      cflags += [ "-DWITH_SELINUX" ]
+    }
   }
 
   ohos_executable("ueventd") {
@@ -114,6 +120,13 @@ if (defined(ohos_lite)) {
     ]
     deps = service_ueventd_deps
     deps += [ "//base/startup/init_lite/services/param:param_client" ]
+    cflags = []
+
+    if (build_selinux) {
+      external_deps = [ "selinux:librestorecon" ]
+      cflags += [ "-DWITH_SELINUX" ]
+    }
+
     install_images = [
       "system",
       "updater",

ueventd/ueventd_device_handler.c

@@ -34,6 +34,9 @@
 #include "securec.h"
 #define INIT_LOG_TAG "ueventd"
 #include "init_log.h"
+#ifdef WITH_SELINUX
+#include <policycoreutils.h>
+#endif
 
 static void CreateSymbolLinks(const char *deviceNode, char **symLinks)
 {
@@ -79,6 +82,21 @@ static inline void AdjustDeviceNodePermissions(const char *deviceNode, uid_t uid
     }
 }
 
+static void SetDeviceLable(const char *dir, const char *path)
+{
+#ifdef WITH_SELINUX
+    int rc = 0;
+    if (!STRINGEQUAL(dir, "/dev")) {
+        rc = RestoreconRecurse(dir);
+    }
+
+    rc += Restorecon(path);
+    if (rc != 0) {
+        INIT_LOGI("restorecon device node[%s] failed. %d", path, errno);
+    }
+#endif
+}
+
 static int CreateDeviceNode(const struct Uevent *uevent, const char *deviceNode, char **symLinks, bool isBlock)
 {
     int rc = -1;
@@ -126,6 +144,7 @@ static int CreateDeviceNode(const struct Uevent *uevent, const char *deviceNode,
     if (symLinks != NULL) {
         CreateSymbolLinks(deviceNode, symLinks);
     }
+    SetDeviceLable(devicePath, deviceNode);
     // No matter what result the symbol links returns,
     // as long as create device node done, just returns success.
     rc = 0;