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SUSE:SLE-15-SP4:GA
log4j.22206
log4j-CVE-2020-9488.patch
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File log4j-CVE-2020-9488.patch of Package log4j.22206
From 6851b5083ef9610bae320bf07e1f24d2aa08851b Mon Sep 17 00:00:00 2001 From: Matt Sicker <boards@gmail.com> Date: Mon, 13 Apr 2020 17:59:43 -0500 Subject: [PATCH] [LOG4J2-2819] Add support for specifying an SSL configuration for SmtpAppender Signed-off-by: Matt Sicker <boards@gmail.com> --- log4j-core/revapi.json | 29 +- .../log4j/core/appender/SmtpAppender.java | 251 +++++++++++++++--- .../logging/log4j/core/net/SmtpManager.java | 31 ++- .../log4j/core/appender/SmtpAppenderTest.java | 20 +- 4 files changed, 275 insertions(+), 56 deletions(-) Index: apache-log4j-2.13.0-src/log4j-core/revapi.json =================================================================== --- apache-log4j-2.13.0-src.orig/log4j-core/revapi.json +++ apache-log4j-2.13.0-src/log4j-core/revapi.json @@ -107,7 +107,34 @@ "new": "method <B extends org.apache.logging.log4j.core.appender.WriterAppender.Builder<B extends org.apache.logging.log4j.core.appender.WriterAppender.Builder<B>>> B org.apache.logging.log4j.core.appender.WriterAppender::newBuilder()", "typeParameter": "B extends org.apache.logging.log4j.core.appender.WriterAppender.Builder<B extends org.apache.logging.log4j.core.appender.WriterAppender.Builder<B>>", "justification": "LOG4J2-2491 - Allow all appenders to optionally carry a property array" + }, + { + "code": "java.annotation.removed", + "old": "method org.apache.logging.log4j.core.appender.SmtpAppender org.apache.logging.log4j.core.appender.SmtpAppender::createAppender(org.apache.logging.log4j.core.config.Configuration, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, org.apache.logging.log4j.core.Layout<? extends java.io.Serializable>, org.apache.logging.log4j.core.Filter, java.lang.String)", + "new": "method org.apache.logging.log4j.core.appender.SmtpAppender org.apache.logging.log4j.core.appender.SmtpAppender::createAppender(org.apache.logging.log4j.core.config.Configuration, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, org.apache.logging.log4j.core.Layout<? extends java.io.Serializable>, org.apache.logging.log4j.core.Filter, java.lang.String)", + "annotation": "@org.apache.logging.log4j.core.config.plugins.PluginFactory", + "justification": "Plugin is created through builder class now. No practical change here." + }, + { + "code": "java.method.numberOfParametersChanged", + "old": "method org.apache.logging.log4j.core.net.SmtpManager org.apache.logging.log4j.core.net.SmtpManager::getSmtpManager(org.apache.logging.log4j.core.config.Configuration, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int, java.lang.String, java.lang.String, boolean, java.lang.String, int)", + "new": "method org.apache.logging.log4j.core.net.SmtpManager org.apache.logging.log4j.core.net.SmtpManager::getSmtpManager(org.apache.logging.log4j.core.config.Configuration, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, int, java.lang.String, java.lang.String, boolean, java.lang.String, int, org.apache.logging.log4j.core.net.ssl.SslConfiguration)", + "justification": "LOG4J2-2819 - Add support for specifying an SSL configuration for SmtpAppender" + }, + { + "code": "java.annotation.added", + "old": "parameter org.apache.logging.log4j.core.net.ssl.SslConfiguration org.apache.logging.log4j.core.net.ssl.SslConfiguration::createSSLConfiguration(java.lang.String, org.apache.logging.log4j.core.net.ssl.KeyStoreConfiguration, org.apache.logging.log4j.core.net.ssl.TrustStoreConfiguration, ===boolean===)", + "new": "parameter org.apache.logging.log4j.core.net.ssl.SslConfiguration org.apache.logging.log4j.core.net.ssl.SslConfiguration::createSSLConfiguration(java.lang.String, org.apache.logging.log4j.core.net.ssl.KeyStoreConfiguration, org.apache.logging.log4j.core.net.ssl.TrustStoreConfiguration, ===boolean===)", + "annotation": "@org.apache.logging.log4j.core.config.plugins.PluginAttribute(\"verifyHostName\")", + "justification": "LOG4J2-TODO" + }, + { + "code": "java.annotation.removed", + "old": "parameter org.apache.logging.log4j.core.net.ssl.SslConfiguration org.apache.logging.log4j.core.net.ssl.SslConfiguration::createSSLConfiguration(java.lang.String, org.apache.logging.log4j.core.net.ssl.KeyStoreConfiguration, org.apache.logging.log4j.core.net.ssl.TrustStoreConfiguration, ===boolean===)", + "new": "parameter org.apache.logging.log4j.core.net.ssl.SslConfiguration org.apache.logging.log4j.core.net.ssl.SslConfiguration::createSSLConfiguration(java.lang.String, org.apache.logging.log4j.core.net.ssl.KeyStoreConfiguration, org.apache.logging.log4j.core.net.ssl.TrustStoreConfiguration, ===boolean===)", + "annotation": "@org.apache.logging.log4j.core.config.plugins.PluginElement(\"verifyHostName\")", + "justification": "LOG4J2-TODO" } ] } -] \ No newline at end of file +] Index: apache-log4j-2.13.0-src/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/SmtpAppender.java =================================================================== --- apache-log4j-2.13.0-src.orig/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/SmtpAppender.java +++ apache-log4j-2.13.0-src/log4j-core/src/main/java/org/apache/logging/log4j/core/appender/SmtpAppender.java @@ -17,8 +17,6 @@ package org.apache.logging.log4j.core.appender; -import java.io.Serializable; - import org.apache.logging.log4j.core.Appender; import org.apache.logging.log4j.core.Core; import org.apache.logging.log4j.core.Filter; @@ -29,16 +27,20 @@ import org.apache.logging.log4j.core.con import org.apache.logging.log4j.core.config.Property; import org.apache.logging.log4j.core.config.plugins.Plugin; import org.apache.logging.log4j.core.config.plugins.PluginAttribute; +import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute; +import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory; import org.apache.logging.log4j.core.config.plugins.PluginConfiguration; import org.apache.logging.log4j.core.config.plugins.PluginElement; -import org.apache.logging.log4j.core.config.plugins.PluginFactory; import org.apache.logging.log4j.core.config.plugins.validation.constraints.Required; import org.apache.logging.log4j.core.config.plugins.validation.constraints.ValidPort; import org.apache.logging.log4j.core.filter.ThresholdFilter; import org.apache.logging.log4j.core.layout.HtmlLayout; import org.apache.logging.log4j.core.net.SmtpManager; +import org.apache.logging.log4j.core.net.ssl.SslConfiguration; import org.apache.logging.log4j.core.util.Booleans; +import java.io.Serializable; + /** * Send an e-mail when a specific logging event occurs, typically on errors or * fatal errors. @@ -72,45 +74,212 @@ public final class SmtpAppender extends } /** + * @since 2.13.2 + */ + public static class Builder extends AbstractAppender.Builder<Builder> + implements org.apache.logging.log4j.core.util.Builder<SmtpAppender> { + @PluginBuilderAttribute + private String to; + + @PluginBuilderAttribute + private String cc; + + @PluginBuilderAttribute + private String bcc; + + @PluginBuilderAttribute + private String from; + + @PluginBuilderAttribute + private String replyTo; + + @PluginBuilderAttribute + private String subject; + + @PluginBuilderAttribute + private String smtpProtocol = "smtp"; + + @PluginBuilderAttribute + private String smtpHost; + + @PluginBuilderAttribute + @ValidPort + private int smtpPort; + + @PluginBuilderAttribute + private String smtpUsername; + + @PluginBuilderAttribute(sensitive = true) + private String smtpPassword; + + @PluginBuilderAttribute + private boolean smtpDebug; + + @PluginBuilderAttribute + private int bufferSize = DEFAULT_BUFFER_SIZE; + + @PluginElement("SSL") + private SslConfiguration sslConfiguration; + + /** + * Comma-separated list of recipient email addresses. + */ + public Builder setTo(final String to) { + this.to = to; + return this; + } + + /** + * Comma-separated list of CC email addresses. + */ + public Builder setCc(final String cc) { + this.cc = cc; + return this; + } + + /** + * Comma-separated list of BCC email addresses. + */ + public Builder setBcc(final String bcc) { + this.bcc = bcc; + return this; + } + + /** + * Email address of the sender. + */ + public Builder setFrom(final String from) { + this.from = from; + return this; + } + + /** + * Comma-separated list of Reply-To email addresses. + */ + public Builder setReplyTo(final String replyTo) { + this.replyTo = replyTo; + return this; + } + + /** + * Subject template for the email messages. + * @see org.apache.logging.log4j.core.layout.PatternLayout + */ + public Builder setSubject(final String subject) { + this.subject = subject; + return this; + } + + /** + * Transport protocol to use for SMTP such as "smtp" or "smtps". Defaults to "smtp". + */ + public Builder setSmtpProtocol(final String smtpProtocol) { + this.smtpProtocol = smtpProtocol; + return this; + } + + /** + * Host name of SMTP server to send messages through. + */ + public Builder setSmtpHost(final String smtpHost) { + this.smtpHost = smtpHost; + return this; + } + + /** + * Port number of SMTP server to send messages through. + */ + public Builder setSmtpPort(final int smtpPort) { + this.smtpPort = smtpPort; + return this; + } + + /** + * Username to authenticate with SMTP server. + */ + public Builder setSmtpUsername(final String smtpUsername) { + this.smtpUsername = smtpUsername; + return this; + } + + /** + * Password to authenticate with SMTP server. + */ + public Builder setSmtpPassword(final String smtpPassword) { + this.smtpPassword = smtpPassword; + return this; + } + + /** + * Enables or disables mail session debugging on STDOUT. Disabled by default. + */ + public Builder setSmtpDebug(final boolean smtpDebug) { + this.smtpDebug = smtpDebug; + return this; + } + + /** + * Number of log events to buffer before sending an email. Defaults to {@value #DEFAULT_BUFFER_SIZE}. + */ + public Builder setBufferSize(final int bufferSize) { + this.bufferSize = bufferSize; + return this; + } + + /** + * Specifies an SSL configuration for smtps connections. + */ + public Builder setSslConfiguration(final SslConfiguration sslConfiguration) { + this.sslConfiguration = sslConfiguration; + return this; + } + + /** + * Specifies the layout used for the email message body. By default, this uses the + * {@linkplain HtmlLayout#createDefaultLayout() default HTML layout}. + */ + @Override + public Builder setLayout(final Layout<? extends Serializable> layout) { + return super.setLayout(layout); + } + + /** + * Specifies the filter used for this appender. By default, uses a {@link ThresholdFilter} with a level of + * ERROR. + */ + @Override + public Builder setFilter(final Filter filter) { + return super.setFilter(filter); + } + + @Override + public SmtpAppender build() { + if (getLayout() == null) { + setLayout(HtmlLayout.createDefaultLayout()); + } + if (getFilter() == null) { + setFilter(ThresholdFilter.createFilter(null, null, null)); + } + final SmtpManager smtpManager = SmtpManager.getSmtpManager(getConfiguration(), to, cc, bcc, from, replyTo, + subject, smtpProtocol, smtpHost, smtpPort, smtpUsername, smtpPassword, smtpDebug, + getFilter().toString(), bufferSize, sslConfiguration); + return new SmtpAppender(getName(), getFilter(), getLayout(), smtpManager, isIgnoreExceptions(), getPropertyArray()); + } + } + + /** + * @since 2.13.2 + */ + @PluginBuilderFactory + public static Builder newBuilder() { + return new Builder(); + } + + /** * Create a SmtpAppender. - * - * @param name - * The name of the Appender. - * @param to - * The comma-separated list of recipient email addresses. - * @param cc - * The comma-separated list of CC email addresses. - * @param bcc - * The comma-separated list of BCC email addresses. - * @param from - * The email address of the sender. - * @param replyTo - * The comma-separated list of reply-to email addresses. - * @param subject The subject of the email message. - * @param smtpProtocol The SMTP transport protocol (such as "smtps", defaults to "smtp"). - * @param smtpHost - * The SMTP hostname to send to. - * @param smtpPortStr - * The SMTP port to send to. - * @param smtpUsername - * The username required to authenticate against the SMTP server. - * @param smtpPassword - * The password required to authenticate against the SMTP server. - * @param smtpDebug - * Enable mail session debuging on STDOUT. - * @param bufferSizeStr - * How many log events should be buffered for inclusion in the - * message? - * @param layout - * The layout to use (defaults to HtmlLayout). - * @param filter - * The Filter or null (defaults to ThresholdFilter, level of - * ERROR). - * @param ignore If {@code "true"} (default) exceptions encountered when appending events are logged; otherwise - * they are propagated to the caller. - * @return The SmtpAppender. + * @deprecated Use {@link #newBuilder()} to create and configure a {@link Builder} instance. + * @see Builder */ - @PluginFactory public static SmtpAppender createAppender( @PluginConfiguration final Configuration config, @PluginAttribute("name") @Required final String name, @@ -149,7 +318,7 @@ public final class SmtpAppender extends final Configuration configuration = config != null ? config : new DefaultConfiguration(); final SmtpManager manager = SmtpManager.getSmtpManager(configuration, to, cc, bcc, from, replyTo, subject, smtpProtocol, - smtpHost, smtpPort, smtpUsername, smtpPassword, isSmtpDebug, filter.toString(), bufferSize); + smtpHost, smtpPort, smtpUsername, smtpPassword, isSmtpDebug, filter.toString(), bufferSize, null); if (manager == null) { return null; } Index: apache-log4j-2.13.0-src/log4j-core/src/main/java/org/apache/logging/log4j/core/net/SmtpManager.java =================================================================== --- apache-log4j-2.13.0-src.orig/log4j-core/src/main/java/org/apache/logging/log4j/core/net/SmtpManager.java +++ apache-log4j-2.13.0-src/log4j-core/src/main/java/org/apache/logging/log4j/core/net/SmtpManager.java @@ -35,6 +35,7 @@ import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; import javax.mail.util.ByteArrayDataSource; +import javax.net.ssl.SSLSocketFactory; import org.apache.logging.log4j.LoggingException; import org.apache.logging.log4j.core.Layout; @@ -46,6 +47,7 @@ import org.apache.logging.log4j.core.imp import org.apache.logging.log4j.core.impl.MutableLogEvent; import org.apache.logging.log4j.core.layout.AbstractStringLayout.Serializer; import org.apache.logging.log4j.core.layout.PatternLayout; +import org.apache.logging.log4j.core.net.ssl.SslConfiguration; import org.apache.logging.log4j.core.util.CyclicBuffer; import org.apache.logging.log4j.core.util.NameUtil; import org.apache.logging.log4j.core.util.NetUtils; @@ -99,7 +101,8 @@ public class SmtpManager extends Abstrac final String from, final String replyTo, final String subject, String protocol, final String host, final int port, final String username, final String password, - final boolean isDebug, final String filterName, final int numElements) { + final boolean isDebug, final String filterName, final int numElements, + final SslConfiguration sslConfiguration) { if (Strings.isEmpty(protocol)) { protocol = "smtp"; } @@ -144,7 +147,7 @@ public class SmtpManager extends Abstrac final Serializer subjectSerializer = PatternLayout.newSerializerBuilder().setConfiguration(config).setPattern(subject).build(); return getManager(name, FACTORY, new FactoryData(to, cc, bcc, from, replyTo, subjectSerializer, - protocol, host, port, username, password, isDebug, numElements)); + protocol, host, port, username, password, isDebug, numElements, sslConfiguration)); } /** @@ -275,10 +278,12 @@ public class SmtpManager extends Abstrac private final String password; private final boolean isDebug; private final int numElements; + private final SslConfiguration sslConfiguration; public FactoryData(final String to, final String cc, final String bcc, final String from, final String replyTo, final Serializer subjectSerializer, final String protocol, final String host, final int port, - final String username, final String password, final boolean isDebug, final int numElements) { + final String username, final String password, final boolean isDebug, final int numElements, + final SslConfiguration sslConfiguration) { this.to = to; this.cc = cc; this.bcc = bcc; @@ -292,6 +297,7 @@ public class SmtpManager extends Abstrac this.password = password; this.isDebug = isDebug; this.numElements = numElements; + this.sslConfiguration = sslConfiguration; } } @@ -317,22 +323,31 @@ public class SmtpManager extends Abstrac final String prefix = "mail." + data.protocol; final Properties properties = PropertiesUtil.getSystemProperties(); - properties.put("mail.transport.protocol", data.protocol); + properties.setProperty("mail.transport.protocol", data.protocol); if (properties.getProperty("mail.host") == null) { // Prevent an UnknownHostException in Java 7 - properties.put("mail.host", NetUtils.getLocalHostname()); + properties.setProperty("mail.host", NetUtils.getLocalHostname()); } if (null != data.host) { - properties.put(prefix + ".host", data.host); + properties.setProperty(prefix + ".host", data.host); } if (data.port > 0) { - properties.put(prefix + ".port", String.valueOf(data.port)); + properties.setProperty(prefix + ".port", String.valueOf(data.port)); } final Authenticator authenticator = buildAuthenticator(data.username, data.password); if (null != authenticator) { - properties.put(prefix + ".auth", "true"); + properties.setProperty(prefix + ".auth", "true"); + } + + if (data.protocol.equals("smtps")) { + final SslConfiguration sslConfiguration = data.sslConfiguration; + if (sslConfiguration != null) { + final SSLSocketFactory sslSocketFactory = sslConfiguration.getSslSocketFactory(); + properties.put(prefix + ".ssl.socketFactory", sslSocketFactory); + properties.setProperty(prefix + ".ssl.checkserveridentity", Boolean.toString(sslConfiguration.isVerifyHostName())); + } } final Session session = Session.getInstance(properties, authenticator); Index: apache-log4j-2.13.0-src/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/SmtpAppenderTest.java =================================================================== --- apache-log4j-2.13.0-src.orig/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/SmtpAppenderTest.java +++ apache-log4j-2.13.0-src/log4j-core/src/test/java/org/apache/logging/log4j/core/appender/SmtpAppenderTest.java @@ -40,8 +40,6 @@ import static org.junit.Assert.*; public class SmtpAppenderTest { private static final String HOST = "localhost"; - private static final int PORTNUM = AvailablePortFinder.getNextAvailable(); - private static final String PORT = String.valueOf(PORTNUM); @Test public void testMessageFactorySetFrom() throws MessagingException { @@ -114,9 +112,19 @@ public class SmtpAppenderTest { final String subjectKey = getClass().getName(); final String subjectValue = "SubjectValue1"; ThreadContext.put(subjectKey, subjectValue); - final SmtpAppender appender = SmtpAppender.createAppender(null, "Test", "to@example.com", "cc@example.com", - "bcc@example.com", "from@example.com", "replyTo@example.com", "Subject Pattern %X{" + subjectKey + "}", - null, HOST, PORT, null, null, "false", "3", null, null, "true"); + final int smtpPort = AvailablePortFinder.getNextAvailable(); + final SmtpAppender appender = SmtpAppender.newBuilder() + .setName("Test") + .setTo("to@example.com") + .setCc("cc@example.com") + .setBcc("bcc@example.com") + .setFrom("from@example.com") + .setReplyTo("replyTo@example.com") + .setSubject("Subject Pattern %X{" + subjectKey + "}") + .setSmtpHost(HOST) + .setSmtpPort(smtpPort) + .setBufferSize(3) + .build(); appender.start(); final LoggerContext context = LoggerContext.getContext(); @@ -125,7 +133,7 @@ public class SmtpAppenderTest { root.setAdditive(false); root.setLevel(Level.DEBUG); - final SimpleSmtpServer server = SimpleSmtpServer.start(PORTNUM); + final SimpleSmtpServer server = SimpleSmtpServer.start(smtpPort); root.debug("Debug message #1"); root.debug("Debug message #2");
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