diff options
author | Bryce McKinlay <bryce@gcc.gnu.org> | 2001-04-25 16:45:15 +0100 |
---|---|---|
committer | Bryce McKinlay <bryce@gcc.gnu.org> | 2001-04-25 16:45:15 +0100 |
commit | 28f7d9d05ad70afad626d4bc54c633d31eb7430a (patch) | |
tree | e9e280e2d95c4a16d714ee23d9f0345ef0401260 /libjava/java/security/acl/Acl.java | |
parent | 744cfa53c3f98a0cb0d952a176c8bc03aee1abba (diff) | |
download | gcc-28f7d9d05ad70afad626d4bc54c633d31eb7430a.zip gcc-28f7d9d05ad70afad626d4bc54c633d31eb7430a.tar.gz gcc-28f7d9d05ad70afad626d4bc54c633d31eb7430a.tar.bz2 |
decl.c (init_decl_processing): Add new class "protectionDomain" field.
gcc/java:
2001-04-25 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* decl.c (init_decl_processing): Add new class "protectionDomain"
field.
* class.c (make_class_data): Set initial value for "protectionDomain".
libjava:
2001-04-25 Bryce McKinlay <bryce@albatross.co.nz>
java.security merge and ClassLoader compliance fixes.
* java/lang/Class.h (Class): Include ProtectionDomain.h.
New protectionDomain field.
(forName): Add initialize parameter. Fixes declaration to comply with
JDK spec.
* java/lang/natClass.cc (forName): Correct declaration of the three-arg
variant. Honour "initialize" flag.
(getProtectionDomain0): New method.
* java/lang/Class.java: Fix forName() declaration.
(getPackage): New method based on Classpath implementation.
(getProtectionDomain0): New native method decl.
(getProtectionDomain): New method.
* java/lang/ClassLoader.java (getParent): Now final.
(definedPackages): New field.
(getPackage): New.
(defineClass): New variant with protectionDomain argument.
(definePackage): New.
(getPackages): New.
(findSystemClass): Now final.
(getSystemResourceAsStream): Remove redundant "final" modifier.
(getSystemResource): Remove redundant "final" modifier.
(getResources): Now final.
(protectionDomainPermission): New static field.
(unknownProtectionDomain): Ditto.
(defaultProtectionDomain): Ditto.
(getSystemClassLoader): Now non-native.
* java/util/ResourceBundle.java (tryGetSomeBundle): Use the correct
arguments for Class.forName().
* java/lang/Package.java: New file.
* gnu/gcj/runtime/VMClassLoader.java (getVMClassLoader): Removed.
(instance): Static initialize singleton.
(findClass): Override this, not findSystemClass.
* java/lang/natClassLoader.cc (defineClass0): Set class's
protectionDomain field as specified.
(getSystemClassLoader): Removed.
(findClass): Renamed from findSystemClass. Call the interpreter via
URLClassLoader.findClass if loading class via dlopen fails.
* java/security/*.java: java.security import/merge with Classpath.
* java/security/acl/*.java: Likewise.
* java/security/interfaces/*.java: Likewise.
* java/security/spec/*.java: Likewise.
* java/net/NetPermission.java: Likewise.
* java/net/SocketPermission.java: Likewise.
* gnu/java/security/provider/DefaultPolicy.java: Likewise.
* Makefile.am: Add new classes.
* Makefile.in: Rebuilt.
* gcj/javaprims.h: CNI namespace rebuild.
From-SVN: r41543
Diffstat (limited to 'libjava/java/security/acl/Acl.java')
-rw-r--r-- | libjava/java/security/acl/Acl.java | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/libjava/java/security/acl/Acl.java b/libjava/java/security/acl/Acl.java new file mode 100644 index 0000000..e5a3e08 --- /dev/null +++ b/libjava/java/security/acl/Acl.java @@ -0,0 +1,138 @@ +/* Acl.java -- An access control list + Copyright (C) 1998 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +As a special exception, if you link this library with other files to +produce an executable, this library does not by itself cause the +resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why the +executable file might be covered by the GNU General Public License. */ + +package java.security.acl; + +import java.security.Principal; +import java.util.Enumeration; + +/** + * A Java access control list (ACL) is a group of individual ACL entries. + * These entries consist of a <code>Principal</code> and a list of + * permissions this <code>Principal</code> is either granted or denied. + * A given <code>Principal</code> can have at most one positive ACL entry + * (i.e., one that grants permissions) and one negative ACL entry (i.e., one + * that denies permissions). If a given permission is both granted and + * denied, the ACL treats it as if it were never granted or denied. If + * both a <code>Principal</code> and a <code>Group</code> to which the + * <code>Principal</code> belongs have an ACL entry, the permissions for + * the individual <code>Principal</code> take precedence over the + * permissions of the <code>Group</code> if there is a conflict. + * <p + * Additionally, the ACL interface extends the <code>Owner</code> interface + * and so an ACL has owners. Actions which modify the ACL are restricted + * to owners. + * + * @version 0.0 + * + * @author Aaron M. Renn (arenn@urbanophile.com) + */ +public interface Acl extends Owner +{ + + /** + * This method returns the name of this ACL. + * + * @return The name of this ACL + */ + public abstract String getName(); + + /** + * This method sets the name of the ACL + * + * @param caller The <code>Principal</code> requesting the action. + * @param name The new name for this ACL. + * + * @exception NotOwnerException If the caller is not an owner of this ACL. + */ + public abstract void setName(Principal caller, String name) + throws NotOwnerException; + + /** + * This method adds the specified entry to the ACL + * + * @param caller The <code>Principal</code> requesting the addition + * @param entry The ACL entry to add + * + * @return <code>true</code> if the entry was added, <code>false</code> if there is already an entry of the same type for the <code>Principal</code>. + * + * @exception NotOwnerException If the caller is not an owner of this ACL. + */ + public abstract boolean addEntry(Principal caller, AclEntry entry) + throws NotOwnerException; + + /** + * This method delets the specified entry from the ACL + * + * @param caller The <code>Principal</code> requesting the deletion. + * @param entry The ACL entry to delete + * + * @return <code>true</code> if the entry was deleted, or <code>false</code> if this entry was not part of the ACL to begin with + * + * @exception NotOwnerException If the caller is not an owner of this ACL. + */ + public abstract boolean removeEntry(Principal caller, AclEntry entry) + throws NotOwnerException; + + /** + * This method returns a list of all the entries in the ACL as an + * <code>Enumeration</code>. + * + * @return An enumeration of the ACL entries + */ + public abstract Enumeration entries(); + + /** + * This method tests whether or not the specified <code>Principal</code> + * has the specified <code>Permission</code> + * + * @param user The <code>Principal</code> to test + * @param perm The <code>Permission</code> to test for + * + * @return <code>true</code> if the user has been granted the permission, <code>false</code> otherwise + */ + public abstract boolean checkPermission(Principal user, Permission perm); + + /** + * This method returns a list of <code>Permission</code>'s that are granted + * to a particular <code>Principal</code>. This includes any permissions + * that are granted to <code>Group</code>'s to which the <code>Principal</code> + * belongs unless they are overridden by a negative ACL. This permission + * list is returned as an <code>Enumeration</code>. + * + * @param user The <code>Principal</code> to retrieve permissions for. + * + * @return A list of permissions for the <code>Principal</code>. + */ + public abstract Enumeration getPermissions(Principal user); + + /** + * This method returns the ACL as a <code>String</code> + * + * @return A <code>String</code> representation of this ACL + */ + public abstract String toString(); +} |