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authorkstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d>2012-02-09 21:11:31 +0000
committerkstranacher <kstranacher@d688527b-c9ab-4aba-bd8d-4036d912da1d>2012-02-09 21:11:31 +0000
commit4af2a06ad0d4dc021277b115d15bbeeede3c23b7 (patch)
tree3deede68bee4e609ebaef22d92a96fb8f650afcc /spss/server/serverlib/src/main/java
parent453bd7f12223fe4e58049bb8f2f40d80d80bccd7 (diff)
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Update MOA-SPSS-Konfig Schema (Blacklists)
MOASecurityManager für Blacklists git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@1236 d688527b-c9ab-4aba-bd8d-4036d912da1d
Diffstat (limited to 'spss/server/serverlib/src/main/java')
-rw-r--r--spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerExtended.java111
-rw-r--r--spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerSimple.java165
-rw-r--r--spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationPartsBuilder.java74
-rw-r--r--spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationProvider.java54
4 files changed, 391 insertions, 13 deletions
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerExtended.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerExtended.java
new file mode 100644
index 000000000..ab9c01daa
--- /dev/null
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerExtended.java
@@ -0,0 +1,111 @@
+package at.gv.egovernment.moa.spss;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.Iterator;
+import java.util.List;
+
+import at.gv.egovernment.moa.logging.Logger;
+
+
+public class MOASecurityManagerExtended extends SecurityManager {
+
+ private List blacklist;
+ private boolean allowExternalUris;
+
+ public MOASecurityManagerExtended(boolean allowExternalUris, List blacklist) {
+ this.blacklist = blacklist;
+ this.allowExternalUris = allowExternalUris;
+ }
+
+
+ /**
+ * Overwrite checkConnect methods with blacklist check
+ */
+
+ public void checkConnect(String host, int port, Object context) {
+ Logger.debug("checkConnect: " + host + ":" + port);
+ if (!checkURI(host, port))
+ throw new SecurityException("URI not allowed (blacklisted or external URIs generally not allowed");
+ else {
+ Logger.debug("Perform checkConnect of given SecurityManager");
+ super.checkConnect(host, port, context);
+ }
+ }
+
+ public void checkConnect(String host, int port) {
+ Logger.debug("checkConnect: " + host + ":" + port);
+ if (!checkURI(host, port))
+ throw new SecurityException("URI not allowed (blacklisted or external URIs generally not allowed");
+ else {
+ Logger.debug("Perform checkConnect of given SecurityManager");
+ super.checkConnect(host, port);
+ }
+ }
+
+ private boolean checkURI(String host, int port) {
+ if (allowExternalUris) {
+ Iterator it = blacklist.iterator();
+ while (it.hasNext()) {
+ String[] array = (String[])it.next();
+ String bhost = array[0];
+ String bport = array[1];
+ if (bport == null) {
+ // check only host
+ if (bhost.equalsIgnoreCase(host)) {
+ Logger.debug("Security check: " + host + " blacklisted");
+ return false;
+ }
+ }
+ else {
+ // check host and port
+ int iport = new Integer(bport).intValue();
+ if (bhost.equalsIgnoreCase(host) && (iport == port)) {
+ Logger.debug("Security check: " + host + ":" + port + " blacklisted");
+ return false;
+ }
+
+ }
+ }
+
+ Logger.debug("Security check: " + host + ":" + port + " allowed");
+ return true;
+ }
+ else {
+ String localhost = getLocalhostName();
+ if (host.equalsIgnoreCase(localhost) || host.equalsIgnoreCase("localhost") || host.equalsIgnoreCase("127.0.0.1") ) {
+ Logger.debug("Security check: localhost name allowed");
+ return true;
+ }
+
+ Logger.debug("Security check: " + host + ":" + port + " not allowed (external URIs not allowed)");
+ return false;
+ }
+ }
+ private String getLocalhostName() {
+ try {
+ // save current SecurityManager
+ SecurityManager sm = System.getSecurityManager();
+ // set System SecurityManager null (needed as java.net.InetAddress.getLocalHost call SecurityManager.checkConnect --> leads to endless loop)
+ System.setSecurityManager(null);
+
+ InetAddress localhostaddress = InetAddress.getLocalHost();
+ String localhost = localhostaddress.getHostName();
+
+ // set previously saved SecurityManager
+ System.setSecurityManager(sm);
+
+ return localhost;
+
+ }
+ catch (UnknownHostException e) {
+ Logger.debug("UnknownHostExeption: Returns \"localhost\" as name for localhost");
+ return "localhost";
+ }
+ }
+
+
+ /**
+ * Don't overwrite other methods
+ */
+}
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerSimple.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerSimple.java
new file mode 100644
index 000000000..361a75e4c
--- /dev/null
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/MOASecurityManagerSimple.java
@@ -0,0 +1,165 @@
+package at.gv.egovernment.moa.spss;
+
+import java.io.FileDescriptor;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.security.Permission;
+import java.util.Iterator;
+import java.util.List;
+
+import at.gv.egovernment.moa.logging.Logger;
+
+public class MOASecurityManagerSimple extends SecurityManager {
+
+ private List blacklist;
+ private boolean allowExternalUris;
+
+
+ public MOASecurityManagerSimple(boolean allowExternalUris, List blacklist) {
+ this.blacklist = blacklist;
+ this.allowExternalUris = allowExternalUris;
+ }
+
+ /**
+ * Overwrite checkConnect methods with blacklist check
+ */
+
+ public void checkConnect(String host, int port, Object context) {
+ //Logger.debug("checkConnect: " + host + ":" + port);
+ if (!checkURI(host, port))
+ throw new SecurityException("URI not allowed (blacklisted or external URIs generally not allowed");
+ }
+
+ public void checkConnect(String host, int port) {
+ //Logger.debug("checkConnect: " + host + ":" + port);
+ if (!checkURI(host, port))
+ throw new SecurityException("URI not allowed (blacklisted or external URIs generally not allowed");
+ }
+
+ private boolean checkURI(String host, int port) {
+ if (allowExternalUris) {
+ Iterator it = blacklist.iterator();
+ while (it.hasNext()) {
+ String[] array = (String[])it.next();
+ String bhost = array[0];
+ String bport = array[1];
+ if (bport == null) {
+ // check only host
+ if (bhost.equalsIgnoreCase(host)) {
+ //Logger.debug("Security check: " + host + " blacklisted");
+ return false;
+ }
+ }
+ else {
+ // check host and port
+ int iport = new Integer(bport).intValue();
+ if (bhost.equalsIgnoreCase(host) && (iport == port)) {
+ //Logger.debug("Security check: " + host + ":" + port + " blacklisted");
+ return false;
+ }
+
+ }
+ }
+
+ //Logger.debug("Security check: " + host + ":" + port + " allowed");
+ return true;
+ }
+ else {
+ String localhost = getLocalhostName();
+ if (host.equalsIgnoreCase(localhost) || host.equalsIgnoreCase("localhost") || host.equalsIgnoreCase("127.0.0.1") ) {
+ //Logger.debug("Security check: localhost name allowed");
+ return true;
+ }
+
+ //Logger.debug("Security check: " + host + ":" + port + " not allowed (external URIs not allowed)");
+ return false;
+ }
+ }
+
+ private String getLocalhostName() {
+ try {
+ // save current SecurityManager
+ SecurityManager sm = System.getSecurityManager();
+ // set System SecurityManager null (needed as java.net.InetAddress.getLocalHost call SecurityManager.checkConnect --> leads to endless loop)
+ System.setSecurityManager(null);
+
+ InetAddress localhostaddress = InetAddress.getLocalHost();
+ String localhost = localhostaddress.getHostName();
+
+ // set previously saved SecurityManager
+ System.setSecurityManager(sm);
+
+ return localhost;
+
+ }
+ catch (UnknownHostException e) {
+ //Logger.debug("UnknownHostExeption: Returns \"localhost\" as name for localhost");
+ return "localhost";
+ }
+ }
+
+
+ /**
+ * Overwrite all other methods by doing nothing (as no SecurityManager is set initially)
+ */
+
+ public void checkAccept(String host, int port) {
+ }
+ public void checkAccess(Thread t) {
+ }
+ public void checkAccess(ThreadGroup g) {
+ }
+ public void checkAwtEventQueueAccess() {
+ }
+ public void checkCreateClassLoader() {
+ }
+ public void checkDelete(String file) {
+ }
+ public void checkExec(String cmd) {
+ }
+ public void checkExit(int status) {
+ }
+ public void checkLink(String lib) {
+ }
+ public void checkListen(int port) {
+ }
+ public void checkMemberAccess(Class arg0, int arg1) {
+ }
+ public void checkMulticast(InetAddress maddr, byte ttl) {
+ }
+ public void checkMulticast(InetAddress maddr) {
+ }
+ public void checkPackageAccess(String pkg) {
+ }
+ public void checkPackageDefinition(String pkg) {
+ }
+ public void checkPermission(Permission perm, Object context) {
+ }
+ public void checkPermission(Permission perm) {
+ }
+ public void checkPrintJobAccess() {
+ }
+ public void checkPropertiesAccess() {
+ }
+ public void checkPropertyAccess(String key) {
+ }
+ public void checkRead(FileDescriptor fd) {
+ }
+ public void checkRead(String file, Object context) {
+ }
+ public void checkRead(String file) {
+ }
+ public void checkSecurityAccess(String target) {
+ }
+ public void checkSetFactory() {
+ }
+ public void checkSystemClipboardAccess() {
+ }
+ public void checkWrite(FileDescriptor fd) {
+ }
+ public void checkWrite(String file) {
+ }
+
+
+
+}
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationPartsBuilder.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationPartsBuilder.java
index 9078ecbfa..abc781303 100644
--- a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationPartsBuilder.java
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationPartsBuilder.java
@@ -24,6 +24,14 @@
package at.gv.egovernment.moa.spss.server.config;
+import iaik.asn1.structures.Name;
+import iaik.ixsil.exceptions.URIException;
+import iaik.ixsil.util.URI;
+import iaik.pki.pathvalidation.ChainingModes;
+import iaik.pki.revocation.RevocationSourceTypes;
+import iaik.utils.RFC2253NameParser;
+import iaik.utils.RFC2253NameParserException;
+
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
@@ -45,25 +53,15 @@ import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.traversal.NodeIterator;
-
import org.xml.sax.SAXException;
-import iaik.asn1.structures.Name;
-import iaik.ixsil.exceptions.URIException;
-import iaik.ixsil.util.URI;
-import iaik.pki.pathvalidation.ChainingModes;
-import iaik.pki.revocation.RevocationSourceTypes;
-import iaik.utils.RFC2253NameParser;
-import iaik.utils.RFC2253NameParserException;
-
import at.gv.egovernment.moa.logging.LogMsg;
import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.spss.util.MessageProvider;
import at.gv.egovernment.moa.util.Constants;
import at.gv.egovernment.moa.util.DOMUtils;
import at.gv.egovernment.moa.util.XPathUtils;
-import at.gv.egovernment.moa.spss.util.MessageProvider;
-
/**
* A class that builds configuration data from a DOM based representation.
*
@@ -103,6 +101,14 @@ public class ConfigurationPartsBuilder {
private static final String HARDWARE_CRYPTO_MODULE_XPATH =
ROOT + CONF + "Common/"
+ CONF + "HardwareCryptoModule";
+ private static final String PERMIT_EXTERNAL_URIS_XPATH =
+ ROOT + CONF + "Common/"
+ + CONF + "PermitExternalUris";
+ private static final String BLACK_LIST_URIS_XPATH =
+ ROOT + CONF + "Common/"
+ + CONF + "PermitExternalUris/"
+ + CONF + "BlackListUri";
+
private static final String HARDWARE_KEY_XPATH =
ROOT + CONF + "SignatureCreation/"
+ CONF + "KeyModules/"
@@ -370,6 +376,52 @@ public class ConfigurationPartsBuilder {
return modules;
}
+
+ /**
+ *
+ * @return
+ */
+ public boolean allowExternalUris() {
+ Element permitExtUris = (Element)XPathUtils.selectSingleNode(getConfigElem(), PERMIT_EXTERNAL_URIS_XPATH);
+
+ // if PermitExternalUris element does not exist - don't allow external uris
+ if (permitExtUris == null)
+ return false;
+ else
+ return true;
+
+ }
+
+ /**
+ *
+ * @return
+ */
+ public List buildPermitExternalUris() {
+ if (!allowExternalUris())
+ return null;
+
+ List blacklist = new ArrayList();
+
+ NodeIterator permitExtIter = XPathUtils.selectNodeIterator(
+ getConfigElem(),
+ BLACK_LIST_URIS_XPATH);
+
+ Element permitExtElem = null;
+ while ((permitExtElem = (Element) permitExtIter.nextNode()) != null) {
+ String host = getElementValue(permitExtElem, CONF + "Host", null);
+ String port = getElementValue(permitExtElem, CONF + "Port", null);
+
+ //System.out.println("Host:Port = " + host + ":" + port);
+
+ String array[] = new String[2];
+ array[0] = host;
+ array[1] = port;
+ blacklist.add(array);
+
+ }
+
+ return blacklist;
+ }
/**
* Build the configured hardware keys.
diff --git a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationProvider.java b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationProvider.java
index 51ddf0811..9e0a7fd53 100644
--- a/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationProvider.java
+++ b/spss/server/serverlib/src/main/java/at/gv/egovernment/moa/spss/server/config/ConfigurationProvider.java
@@ -33,7 +33,9 @@ import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.math.BigInteger;
+import java.net.InetAddress;
import java.net.URL;
+import java.net.UnknownHostException;
import java.security.Principal;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
@@ -46,6 +48,8 @@ import org.w3c.dom.Element;
import at.gv.egovernment.moa.logging.LogMsg;
import at.gv.egovernment.moa.logging.Logger;
+import at.gv.egovernment.moa.spss.MOASecurityManagerExtended;
+import at.gv.egovernment.moa.spss.MOASecurityManagerSimple;
import at.gv.egovernment.moa.spss.util.MessageProvider;
import at.gv.egovernment.moa.util.DOMUtils;
@@ -240,6 +244,16 @@ public class ConfigurationProvider
private Map crlRetentionIntervals;
/**
+ * Indicates wether external URIs are allowed or not
+ */
+ private boolean allowExternalUris_;
+
+ /**
+ * A <code>List</code> of black listed URIs (host and port)
+ */
+ private List blackListedUris_;
+
+ /**
* Return the single instance of configuration data.
*
* @return MOAConfigurationProvider The current configuration data.
@@ -354,6 +368,13 @@ public class ConfigurationProvider
warnings = new ArrayList(builder.getWarnings());
permitFileURIs = builder.getPermitFileURIs();
crlRetentionIntervals = builder.getCrlRetentionIntervals();
+
+ allowExternalUris_= builder.allowExternalUris();
+
+ if (allowExternalUris_)
+ blackListedUris_ = builder.buildPermitExternalUris();
+ else
+ blackListedUris_ = null;
// Set set = crlRetentionIntervals.entrySet();
// Iterator i = set.iterator();
@@ -361,8 +382,37 @@ public class ConfigurationProvider
// Map.Entry me = (Map.Entry)i.next();
// System.out.println("Key: " + me.getKey() + " - Value: " + me.getValue() );
// }
+
+
+ // set SecurityManager for permitting/disallowing external URIs
+ SecurityManager sm = System.getSecurityManager();
+ if (sm == null) {
+ // no security manager exists - create a new one
+ //Logger.debug(new LogMsg("Create new MOASecurityManagerSimple"));
+ sm = new MOASecurityManagerSimple(allowExternalUris_, blackListedUris_);
+
+
+ //Logger.debug(new LogMsg("Set the new MOASecurityManagerSimple"));
+ System.setSecurityManager(sm);
+
+ }
+ else {
+ String classname = sm.getClass().getName();
+ if (!classname.equalsIgnoreCase("at.gv.egovernment.moa.spss.MOASecurityManagerSimple") &&
+ !classname.equalsIgnoreCase("at.gv.egovernment.moa.spss.MOASecurityManagerExtended")) {
+ // if SecurityManager is not already a MOASecurityManager
+
+ // Logger.debug(new LogMsg("Create new MOASecurityManagerExtended (including existing SecurityManager)"));
+ sm = new MOASecurityManagerExtended(allowExternalUris_, blackListedUris_);
+
+ //Logger.debug(new LogMsg("Set the new MOASecurityManagerSimple"));
+ System.setSecurityManager(sm);
+ }
+ //Logger.debug(new LogMsg("No new MOASecurityManager instantiated"));
+ }
+
} catch (Throwable t) {
throw new ConfigurationException("config.11", null, t);
} finally {
@@ -637,8 +687,8 @@ public class ConfigurationProvider
MessageProvider msg = MessageProvider.getInstance();
Logger.info(new LogMsg(msg.getMessage(messageId, parameters)));
}
-
- /**
+
+ /**
* Log a warning.
*
* @param messageId The message ID.