sonatype-lift[bot] commented on a change in pull request #264:
URL: https://github.com/apache/solr/pull/264#discussion_r694355510



##########
File path: 
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java
##########
@@ -91,6 +95,66 @@ public void init(NamedList<?> args) {
   public String getSchemaResourceName(String cdResourceName) {
     return managedSchemaResourceName; // actually a guess; reality depends on 
the actual files in the config set :-(
   }
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchema.
+   */
+  public String lookupZKManagedSchemaPath() {
+    final ZkSolrResourceLoader zkLoader = (ZkSolrResourceLoader)loader;
+    final ZkController zkController = zkLoader.getZkController();
+    final SolrZkClient zkClient = zkController.getZkClient();
+    String managedSchemaPath = zkLoader.getConfigSetZkPath() + "/" + 
managedSchemaResourceName;
+    final String legacyManagedSchemaPath = zkLoader.getConfigSetZkPath() + "/" 
+ ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME;
+    try {
+      // check if we are using the legacy managed-schema file name.
+      if (zkClient.exists(legacyManagedSchemaPath, true)){
+        log.debug("Legacy managed schema resource {} found - loading legacy 
managed schema instead of {} file."
+            , ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME, 
managedSchemaResourceName);
+        managedSchemaPath = legacyManagedSchemaPath;
+      }
+    } catch (KeeperException e) {
+      throw new RuntimeException(e);
+    } catch (InterruptedException e) {
+      // Restore the interrupted status
+      Thread.currentThread().interrupt();
+      throw new RuntimeException(e);
+    }
+    return managedSchemaPath;
+  }  
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchemaFactory.
+   * @see 
org.apache.solr.schema.ManagedIndexSchemaFactory#lookupZKManagedSchemaPath
+   */
+  public Path lookupLocalManagedSchemaPath() {
+    final Path legacyManagedSchemaPath = 
Paths.get(loader.getConfigPath().toString(), 
ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME);
+    
+    Path managedSchemaPath = Paths.get(loader.getConfigPath().toString(), 
managedSchemaResourceName);

Review comment:
       *PATH_TRAVERSAL_IN:*  This API 
(java/nio/file/Paths.get(Ljava/lang/String;[Ljava/lang/String;)Ljava/nio/file/Path;)
 reads a file whose location might be specified by user input 
[(details)](https://find-sec-bugs.github.io/bugs.htm#PATH_TRAVERSAL_IN)
   (at-me [in a reply](https://help.sonatype.com/lift) with `help` or `ignore`)

##########
File path: 
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java
##########
@@ -91,6 +95,66 @@ public void init(NamedList<?> args) {
   public String getSchemaResourceName(String cdResourceName) {
     return managedSchemaResourceName; // actually a guess; reality depends on 
the actual files in the config set :-(
   }
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchema.
+   */
+  public String lookupZKManagedSchemaPath() {
+    final ZkSolrResourceLoader zkLoader = (ZkSolrResourceLoader)loader;
+    final ZkController zkController = zkLoader.getZkController();
+    final SolrZkClient zkClient = zkController.getZkClient();
+    String managedSchemaPath = zkLoader.getConfigSetZkPath() + "/" + 
managedSchemaResourceName;
+    final String legacyManagedSchemaPath = zkLoader.getConfigSetZkPath() + "/" 
+ ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME;
+    try {
+      // check if we are using the legacy managed-schema file name.
+      if (zkClient.exists(legacyManagedSchemaPath, true)){
+        log.debug("Legacy managed schema resource {} found - loading legacy 
managed schema instead of {} file."
+            , ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME, 
managedSchemaResourceName);
+        managedSchemaPath = legacyManagedSchemaPath;
+      }
+    } catch (KeeperException e) {
+      throw new RuntimeException(e);
+    } catch (InterruptedException e) {
+      // Restore the interrupted status
+      Thread.currentThread().interrupt();
+      throw new RuntimeException(e);
+    }
+    return managedSchemaPath;
+  }  
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchemaFactory.
+   * @see 
org.apache.solr.schema.ManagedIndexSchemaFactory#lookupZKManagedSchemaPath
+   */
+  public Path lookupLocalManagedSchemaPath() {
+    final Path legacyManagedSchemaPath = 
Paths.get(loader.getConfigPath().toString(), 
ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME);

Review comment:
       *THREAD_SAFETY_VIOLATION:*  Read/Write race. Non-private method 
`ManagedIndexSchemaFactory.lookupLocalManagedSchemaPath()` reads without 
synchronization from `this.loader`. Potentially races with write in method 
`ManagedIndexSchemaFactory.create(...)`.
    Reporting because another access to the same memory occurs on a background 
thread, although this access may not.
   (at-me [in a reply](https://help.sonatype.com/lift) with `help` or `ignore`)

##########
File path: 
solr/core/src/java/org/apache/solr/schema/ManagedIndexSchemaFactory.java
##########
@@ -91,6 +95,66 @@ public void init(NamedList<?> args) {
   public String getSchemaResourceName(String cdResourceName) {
     return managedSchemaResourceName; // actually a guess; reality depends on 
the actual files in the config set :-(
   }
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchema.
+   */
+  public String lookupZKManagedSchemaPath() {
+    final ZkSolrResourceLoader zkLoader = (ZkSolrResourceLoader)loader;
+    final ZkController zkController = zkLoader.getZkController();
+    final SolrZkClient zkClient = zkController.getZkClient();
+    String managedSchemaPath = zkLoader.getConfigSetZkPath() + "/" + 
managedSchemaResourceName;
+    final String legacyManagedSchemaPath = zkLoader.getConfigSetZkPath() + "/" 
+ ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME;
+    try {
+      // check if we are using the legacy managed-schema file name.
+      if (zkClient.exists(legacyManagedSchemaPath, true)){
+        log.debug("Legacy managed schema resource {} found - loading legacy 
managed schema instead of {} file."
+            , ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME, 
managedSchemaResourceName);
+        managedSchemaPath = legacyManagedSchemaPath;
+      }
+    } catch (KeeperException e) {
+      throw new RuntimeException(e);
+    } catch (InterruptedException e) {
+      // Restore the interrupted status
+      Thread.currentThread().interrupt();
+      throw new RuntimeException(e);
+    }
+    return managedSchemaPath;
+  }  
+  
+  /**
+   * Lookup the path to the managed schema, dealing with falling back to the
+   * legacy managed-schema file, instead of the expected managed-schema.xml 
file.
+   * 
+   * This method is duplicated in ManagedIndexSchemaFactory.
+   * @see 
org.apache.solr.schema.ManagedIndexSchemaFactory#lookupZKManagedSchemaPath
+   */
+  public Path lookupLocalManagedSchemaPath() {
+    final Path legacyManagedSchemaPath = 
Paths.get(loader.getConfigPath().toString(), 
ManagedIndexSchemaFactory.LEGACY_MANAGED_SCHEMA_RESOURCE_NAME);
+    
+    Path managedSchemaPath = Paths.get(loader.getConfigPath().toString(), 
managedSchemaResourceName);

Review comment:
       *THREAD_SAFETY_VIOLATION:*  Read/Write race. Non-private method 
`ManagedIndexSchemaFactory.lookupLocalManagedSchemaPath()` reads without 
synchronization from `this.managedSchemaResourceName`. Potentially races with 
write in method `ManagedIndexSchemaFactory.create(...)`.
    Reporting because another access to the same memory occurs on a background 
thread, although this access may not.
   (at-me [in a reply](https://help.sonatype.com/lift) with `help` or `ignore`)




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