Merge branch 'master' into resolve_fp

This commit is contained in:
Jeremy Long
2017-12-10 08:21:41 -05:00
4 changed files with 140 additions and 53 deletions

View File

@@ -17,45 +17,31 @@
*/
package org.owasp.dependencycheck.data.nvdcve;
import org.apache.commons.collections.map.ReferenceMap;
import org.owasp.dependencycheck.data.cwe.CweDB;
import org.owasp.dependencycheck.dependency.Reference;
import org.owasp.dependencycheck.dependency.Vulnerability;
import org.owasp.dependencycheck.dependency.VulnerableSoftware;
import org.owasp.dependencycheck.utils.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.concurrent.ThreadSafe;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.*;
import java.util.Map.Entry;
import java.util.MissingResourceException;
import java.util.Properties;
import java.util.ResourceBundle;
import java.util.Set;
import javax.annotation.concurrent.ThreadSafe;
import org.apache.commons.collections.map.ReferenceMap;
import org.owasp.dependencycheck.data.cwe.CweDB;
import org.owasp.dependencycheck.dependency.Reference;
import org.owasp.dependencycheck.dependency.Vulnerability;
import org.owasp.dependencycheck.dependency.VulnerableSoftware;
import org.owasp.dependencycheck.utils.DBUtils;
import org.owasp.dependencycheck.utils.DependencyVersion;
import org.owasp.dependencycheck.utils.DependencyVersionUtil;
import org.owasp.dependencycheck.utils.Pair;
import org.owasp.dependencycheck.utils.Settings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
//CSOFF: AvoidStarImport
import static org.owasp.dependencycheck.data.nvdcve.CveDB.PreparedStatementCveDb.*;
//CSON: AvoidStarImport
import static org.apache.commons.collections.map.AbstractReferenceMap.HARD;
import static org.apache.commons.collections.map.AbstractReferenceMap.SOFT;
import static org.owasp.dependencycheck.data.nvdcve.CveDB.PreparedStatementCveDb.*;
//CSOFF: AvoidStarImport
//CSON: AvoidStarImport
/**
* The database holding information about the NVD CVE data. This class is safe
* to be accessed from multiple threads in parallel, however internally only one
@@ -70,6 +56,7 @@ public final class CveDB implements AutoCloseable {
* The logger.
*/
private static final Logger LOGGER = LoggerFactory.getLogger(CveDB.class);
/**
* The database connection factory.
*/
@@ -512,8 +499,9 @@ public final class CveDB implements AutoCloseable {
* is not the optimal cache eviction strategy, this is good enough for
* typical usage (update DB and then only read) and it is easier to maintain
* the code.
*
* <p>
* It should be also called when DB is closed.
* </p>
*/
private synchronized void clearCache() {
vulnerabilitiesForCpeCache.clear();
@@ -684,6 +672,7 @@ public final class CveDB implements AutoCloseable {
deleteSoftware.setInt(1, vulnerabilityId);
deleteSoftware.execute();
}
DBUtils.closeResultSet(rs);
if (vulnerabilityId != 0) {
@@ -730,36 +719,55 @@ public final class CveDB implements AutoCloseable {
}
}
final PreparedStatement insertReference = getPreparedStatement(INSERT_REFERENCE);
PreparedStatement insertReference = getPreparedStatement(INSERT_REFERENCE);
int countReferences = 0;
for (Reference r : vuln.getReferences()) {
insertReference.setInt(1, vulnerabilityId);
insertReference.setString(2, r.getName());
insertReference.setString(3, r.getUrl());
insertReference.setString(4, r.getSource());
insertReference.execute();
if (isBatchInsertEnabled()) {
insertReference.addBatch();
countReferences++;
if (countReferences % getBatchSize() == 0) {
insertReference.executeBatch();
insertReference = getPreparedStatement(INSERT_REFERENCE);
LOGGER.trace(getLogForBatchInserts(countReferences, "Completed %s batch inserts to references table: %s"));
countReferences = 0;
} else if (countReferences == vuln.getReferences().size()) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace(getLogForBatchInserts(countReferences, "Completed %s batch inserts to reference table: %s"));
}
insertReference.executeBatch();
countReferences = 0;
}
} else {
insertReference.execute();
}
}
final PreparedStatement insertSoftware = getPreparedStatement(INSERT_SOFTWARE);
for (VulnerableSoftware s : vuln.getVulnerableSoftware()) {
PreparedStatement insertSoftware = getPreparedStatement(INSERT_SOFTWARE);
int countSoftware = 0;
for (VulnerableSoftware vulnerableSoftware : vuln.getVulnerableSoftware()) {
int cpeProductId = 0;
final PreparedStatement selectCpeId = getPreparedStatement(SELECT_CPE_ID);
selectCpeId.setString(1, s.getName());
selectCpeId.setString(1, vulnerableSoftware.getName());
try {
rs = selectCpeId.executeQuery();
if (rs.next()) {
cpeProductId = rs.getInt(1);
}
} catch (SQLException ex) {
throw new DatabaseException("Unable to get primary key for new cpe: " + s.getName(), ex);
throw new DatabaseException("Unable to get primary key for new cpe: " + vulnerableSoftware.getName(), ex);
} finally {
DBUtils.closeResultSet(rs);
}
if (cpeProductId == 0) {
final PreparedStatement insertCpe = getPreparedStatement(INSERT_CPE);
insertCpe.setString(1, s.getName());
insertCpe.setString(2, s.getVendor());
insertCpe.setString(3, s.getProduct());
insertCpe.setString(1, vulnerableSoftware.getName());
insertCpe.setString(2, vulnerableSoftware.getVendor());
insertCpe.setString(3, vulnerableSoftware.getProduct());
insertCpe.executeUpdate();
cpeProductId = DBUtils.getGeneratedKey(insertCpe);
}
@@ -770,22 +778,38 @@ public final class CveDB implements AutoCloseable {
insertSoftware.setInt(1, vulnerabilityId);
insertSoftware.setInt(2, cpeProductId);
if (s.getPreviousVersion() == null) {
if (vulnerableSoftware.getPreviousVersion() == null) {
insertSoftware.setNull(3, java.sql.Types.VARCHAR);
} else {
insertSoftware.setString(3, s.getPreviousVersion());
insertSoftware.setString(3, vulnerableSoftware.getPreviousVersion());
}
try {
insertSoftware.execute();
} catch (SQLException ex) {
if (ex.getMessage().contains("Duplicate entry")) {
final String msg = String.format("Duplicate software key identified in '%s:%s'", vuln.getName(), s.getName());
LOGGER.info(msg, ex);
} else {
throw ex;
if (isBatchInsertEnabled()) {
insertSoftware.addBatch();
countSoftware++;
if (countSoftware % getBatchSize() == 0) {
executeBatch(vuln, vulnerableSoftware, insertSoftware);
insertSoftware = getPreparedStatement(INSERT_SOFTWARE);
LOGGER.trace(getLogForBatchInserts(countSoftware, "Completed %s batch inserts software table: %s"));
countSoftware = 0;
} else if (countSoftware == vuln.getVulnerableSoftware().size()) {
if (LOGGER.isTraceEnabled()) {
LOGGER.trace(getLogForBatchInserts(countSoftware, "Completed %s batch inserts software table: %s"));
countReferences = 0;
}
executeBatch(vuln, vulnerableSoftware, insertSoftware);
}
} else {
try {
insertSoftware.execute();
} catch (SQLException ex) {
if (ex.getMessage().contains("Duplicate entry")) {
final String msg = String.format("Duplicate software key identified in '%s:%s'", vuln.getName(), vuln.getName());
LOGGER.info(msg, ex);
} else {
throw ex;
}
}
}
}
} catch (SQLException ex) {
final String msg = String.format("Error updating '%s'", vuln.getName());
@@ -796,6 +820,53 @@ public final class CveDB implements AutoCloseable {
}
}
private int getBatchSize() {
int max;
try {
max = settings.getInt(Settings.KEYS.MAX_BATCH_SIZE);
} catch (InvalidSettingException pE) {
max = 1000;
}
return max;
}
private boolean isBatchInsertEnabled() {
boolean batch = false;
try {
batch = settings.getBoolean(Settings.KEYS.ENABLE_BATCH_UPDATES);
} catch (InvalidSettingException pE) {
//If there's no configuration, default is to not perform batch inserts
batch = false;
}
return batch;
}
private String getLogForBatchInserts(int pCountReferences, String pFormat) {
return String.format(pFormat, pCountReferences, new Date());
}
/**
* Executes batch inserts of vulnerabilities when property
* database.batchinsert.maxsize is reached
*
* @param pVulnerability
* @param pVulnerableSoftware
* @param pInsertSoftware
* @throws SQLException
*/
private void executeBatch(Vulnerability pVulnerability, VulnerableSoftware pVulnerableSoftware, PreparedStatement pInsertSoftware) throws SQLException {
try {
pInsertSoftware.executeBatch();
} catch (SQLException ex) {
if (ex.getMessage().contains("Duplicate entry")) {
final String msg = String.format("Duplicate software key identified in '%s:%s'", pVulnerability.getName(), pVulnerableSoftware.getName());
LOGGER.info(msg, ex);
} else {
throw ex;
}
}
}
/**
* Checks to see if data exists so that analysis can be performed.
*
@@ -965,8 +1036,9 @@ public final class CveDB implements AutoCloseable {
/**
* This method is only referenced in unused code.
*
* <p>
* Deletes unused dictionary entries from the database.
* </p>
*/
public synchronized void deleteUnusedCpe() {
clearCache();
@@ -984,8 +1056,9 @@ public final class CveDB implements AutoCloseable {
/**
* This method is only referenced in unused code and will likely break on
* MySQL if ever used due to the MERGE statement.
*
* <p>
* Merges CPE entries into the database.
* </p>
*
* @param cpe the CPE identifier
* @param vendor the CPE vendor

View File

@@ -127,5 +127,7 @@ analyzer.vulnerabilitysuppression.enabled=true
updater.nvdcve.enabled=true
updater.versioncheck.enabled=true
analyzer.versionfilter.enabled=true
ecosystem.skip.cpeanalyzer=npm
database.batchinsert.enabled=true
database.batchinsert.maxsize=1000
ecosystem.skip.cpeanalyzer=npm

View File

@@ -124,4 +124,6 @@ analyzer.vulnerabilitysuppression.enabled=true
updater.nvdcve.enabled=true
updater.versioncheck.enabled=true
ecosystem.skip.cpeanalyzer=npm
ecosystem.skip.cpeanalyzer=npm
database.batchinsert.enabled=true
database.batchinsert.maxsize=1000

View File

@@ -447,6 +447,16 @@ public final class Settings {
*/
public static final String ECOSYSTEM_SKIP_CPEANALYZER = "ecosystem.skip.cpeanalyzer";
/**
*
* Adds capabilities to batch insert. Tested on PostgreSQL and H2.
*/
public static final String ENABLE_BATCH_UPDATES = "database.batchinsert.enabled";
/**
* Size of database batch inserts
*/
public static final String MAX_BATCH_SIZE = "database.batchinsert.maxsize";
/**
* private constructor because this is a "utility" class containing
* constants