!865 Add ndk namespace

Merge pull request !865 from yinchuang/add_ndk_namesapce_1

porting/linux/user/config/ld-musl-namespace-aarch64.ini

 [section.dir.map]
-    acquiescence = /
+    acquiescence = /system/bin:/vendor/bin:/data/local/tmp
 
 [acquiescence]
-    namespace.default.lib.paths = /system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/ndk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/system/lib:/vendor/lib:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib64:/lib:/usr/local/lib:/usr/lib:/vendor/lib64/hw
+    added.nslist = ndk
+    namespace.ndk.lib.paths = /system/lib64/ndk:/system/lib/ndk
+    namespace.default.lib.paths = /system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/system/lib:/vendor/lib:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib64:/lib:/usr/local/lib:/usr/lib:/vendor/lib64/hw
     namespace.default.asan.lib.paths = /system/lib64:/system/lib64/module:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/system/lib:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/lib64:/lib:/usr/local/lib:/usr/lib:/vendor/lib64/hw

porting/linux/user/config/ld-musl-namespace-arm.ini

 [section.dir.map]
-    acquiescence = /
+    acquiescence = /system/bin:/vendor/bin:/data/local/tmp
 
 [acquiescence]
-    namespace.default.lib.paths = /system/lib:/vendor/lib:/vendor/lib/chipsetsdk:/system/lib/ndk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/system/lib/module/security:/lib:/usr/local/lib:/usr/lib
+    added.nslist = ndk
+    namespace.ndk.lib.paths = /system/lib/ndk
+    namespace.default.lib.paths = /system/lib:/vendor/lib:/vendor/lib/chipsetsdk:/system/lib/chipset-pub-sdk:/system/lib/chipset-sdk:/system/lib/platformsdk:/system/lib/priv-platformsdk:/system/lib/priv-module:/system/lib/module:/system/lib/module/data:/system/lib/module/multimedia:/system/lib/module/security:/lib:/usr/local/lib:/usr/lib
     namespace.default.asan.lib.paths = /system/lib:/system/lib/module:/vendor/lib:/vendor/lib/chipsetsdk:/system/lib/module/data:/system/lib/module/multimedia:/system/lib/module/security:/lib:/usr/local/lib:/usr/lib

porting/linux/user/config/ld-musl-namespace-x86_64.ini

 [section.dir.map]
-    acquiescence = /
+    acquiescence = /system/bin:/vendor/bin:/data/local/tmp
 
 [acquiescence]
-    namespace.default.lib.paths = /system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/ndk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/lib64
+    added.nslist = ndk
+    namespace.ndk.lib.paths = /system/lib64/ndk:/system/lib/ndk
+    namespace.default.lib.paths = /system/lib64:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/chipset-pub-sdk:/system/lib64/chipset-sdk:/system/lib64/platformsdk:/system/lib64/priv-platformsdk:/system/lib64/priv-module:/system/lib64/module:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/lib64
     namespace.default.asan.lib.paths = /system/lib64:/system/lib64/module:/vendor/lib64:/vendor/lib64/chipsetsdk:/system/lib64/module/data:/system/lib64/module/multimedia:/system/lib64/module/security:/lib64

porting/linux/user/ldso/namespace.c

@@ -37,6 +37,8 @@ static nslist g_ns_list;
     #define UT_STATIC static
 #endif
 
+#define ALLOW_ALL_SHARED_LIBS "allow_all_shared_libs"
+
 static ns_inherit_list *nsinherits_alloc()
 {
     ns_inherit_list *nsinl;
@@ -584,7 +586,8 @@ bool is_sharable(ns_inherit *inherit, const char *lib_name)
 {
     if (inherit && lib_name && inherit->shared_libs) {
         for (size_t i = 0; i < inherit->shared_libs->num; i++) {
-            if (strcmp(inherit->shared_libs->strs[i], lib_name) == 0) {
+            if (strcmp(inherit->shared_libs->strs[i], lib_name) == 0 ||
+                strcmp(inherit->shared_libs->strs[i], ALLOW_ALL_SHARED_LIBS) == 0) {
                 LD_LOGD("is_sharable inherit [%{public}s] lib_name [%{public}s] found, return true.",
                     inherit->inherited_ns->ns_name,
                     lib_name);

porting/linux/user/ldso/ns_config.c

@@ -512,8 +512,9 @@ static int config_parse(const char *file_path, const char *exe_path)
         if (sname) break;
     }
     if (!sname) {
+        /* No matched section found, use the default section. */
+        sname = ATTR_NS_ACQUIESCENCE;
         LD_LOGD("config_parse no section found!");
-        return -4;/* no section found */
     }
     if (!(g_configor.kvs = config_get_kvs(sname))) {
         LD_LOGD("config_parse no section key-value list found!");