On 31/03/17 14:45, Violeta Georgieva wrote:
> Hi Mark,
> 
> 2017-03-31 16:37 GMT+03:00 <ma...@apache.org>:
>>
>> Author: markt
>> Date: Fri Mar 31 13:37:32 2017
>> New Revision: 1789685
>>
>> URL: http://svn.apache.org/viewvc?rev=1789685&view=rev
>> Log:
>> Correct various edge cases in the new HTTP Host header validation parser.
>> Patch provided by Katya Todorova.
>> This closes #48
>>
>> Fix IPv6/IPv4 parsing for host header:
>>     - chars other than : should not be allowed in IPv6 address after ]
>>     - ::: should not present in IPv6 address
>>     - IPv4 part of IPv6 address was not correctly parsed (1 symbol of
> IPv4 part was ignored)
>>     - tests added to cover IPv4/6 parsing
>>     - parsed test class fixed not to throw NPE when an exception is
> expected but not thrown
>>
>> Modified:
>>     tomcat/trunk/java/org/apache/tomcat/util/http/parser/HttpParser.java
>>     tomcat/trunk/res/maven/mvn-pub.xml
>>
> tomcat/trunk/test/org/apache/tomcat/util/http/parser/TestHttpParserHost.java
>>     tomcat/trunk/webapps/docs/changelog.xml
>>
>> Modified:
> tomcat/trunk/java/org/apache/tomcat/util/http/parser/HttpParser.java
>> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/http/parser/HttpParser.java?rev=1789685&r1=1789684&r2=1789685&view=diff
>>
> ==============================================================================
>> --- tomcat/trunk/java/org/apache/tomcat/util/http/parser/HttpParser.java
> (original)
>> +++ tomcat/trunk/java/org/apache/tomcat/util/http/parser/HttpParser.java
> Fri Mar 31 13:37:32 2017
>> @@ -553,45 +553,50 @@ public class HttpParser {
>>          int h16Size = 0;
>>          int pos = 1;
>>          boolean parsedDoubleColon = false;
>> -        boolean previousWasColon = false;
>> +        int precedingColonsCount = 0;
>>
>>          do {
>>              c = reader.read();
>> -            if (h16Count == 0 && previousWasColon && c != ':') {
>> +            if (h16Count == 0 && precedingColonsCount == 1 && c != ':') {
>>                  // Can't start with a single :
>>                  throw new IllegalArgumentException();
>>              }
>>              if (HttpParser.isHex(c)) {
>>                  if (h16Size == 0) {
>>                      // Start of a new h16 block
>> -                    previousWasColon = false;
>> +                    precedingColonsCount = 0;
>>                      h16Count++;
>> -                    reader.mark(4);
>>                  }
>>                  h16Size++;
>>                  if (h16Size > 4) {
>>                      throw new IllegalArgumentException();
>>                  }
>>              } else if (c == ':') {
>> -                if (previousWasColon) {
>> -                    // End of ::
>> -                    if (parsedDoubleColon) {
>> -                        // Only allowed one :: sequence
>> -                        throw new IllegalArgumentException();
>> -                    }
>> -                    parsedDoubleColon = true;
>> -                    previousWasColon = false;
>> -                    // :: represents at least one h16 block
>> -                    h16Count++;
>> +                if (precedingColonsCount >=2 ) {
>> +                    // ::: is not allowed
>> +                    throw new IllegalArgumentException();
>>                  } else {
>> -                    previousWasColon = true;
>> +                    if(precedingColonsCount == 1) {
>> +                        // End of ::
>> +                        if (parsedDoubleColon ) {
>> +                            // Only allowed one :: sequence
>> +                            throw new IllegalArgumentException();
>> +                        }
>> +                        parsedDoubleColon = true;
>> +                        // :: represents at least one h16 block
>> +                        h16Count++;
>> +                    }
>> +                    precedingColonsCount++;
>> +                    // mark if the next symbol is hex before the actual
> read
>> +                    reader.mark(4);
>>                  }
>>                  h16Size = 0;
>>              } else if (c == ']') {
>> -                if (previousWasColon) {
>> +                if (precedingColonsCount == 1) {
>>                      // Can't end on a single ':'
>>                      throw new IllegalArgumentException();
>>                  }
>> +                pos++;
>>                  break;
>>              } else if (c == '.') {
>>                  if (h16Count == 7 || h16Count < 7 && parsedDoubleColon) {
>> @@ -617,9 +622,12 @@ public class HttpParser {
>>
>>          c = reader.read();
>>          if (c == ':') {
>> -            return pos + 1;
>> +            return pos;
>>          } else {
>> -            return -1;
>> +            if(c == -1) {
>> +                return -1;
>> +            }
>> +            throw new IllegalArgumentException();
>>          }
>>      }
>>
>>
>> Modified: tomcat/trunk/res/maven/mvn-pub.xml
> 
> Isn't the change in mvn-pub.xml for some other issue?


<expletive />

Sorry. I'll revert that (I'm working on being able to publish snapshots
without GPG signatures so we can publish snapshots from buildbot).

Mark


> 
> Regards,
> Violeta
> 
>> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/res/maven/mvn-pub.xml?rev=1789685&r1=1789684&r2=1789685&view=diff
>>
> ==============================================================================
>> --- tomcat/trunk/res/maven/mvn-pub.xml (original)
>> +++ tomcat/trunk/res/maven/mvn-pub.xml Fri Mar 31 13:37:32 2017
>> @@ -49,35 +49,18 @@
>>      </copy>
>>
>>      <!--sign the jar, the source and the pom -->
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="${file}"/>
>> -    </exec>
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="${src}"/>
>> -    </exec>
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="-o"/>
>> -      <arg value="${pom}.asc"/>
>> -      <arg value="${pom}.tmp"/>
>> -    </exec>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{file}" />
>> +      <param name="file.out" value="@{file}.asc" />
>> +    </antcall>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{src}" />
>> +      <param name="file.out" value="@{src}.asc" />
>> +    </antcall>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{pom}.tmp" />
>> +      <param name="file.out" value="@{pom}.asc" />
>> +    </antcall>
>>
>>      <artifact:deploy file="${file}">
>>          <pom file="${pom}.tmp"/>
>> @@ -131,26 +114,14 @@
>>      </copy>
>>
>>      <!--sign the file and pom -->
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="${file}"/>
>> -    </exec>
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="-o"/>
>> -      <arg value="${pom}.asc"/>
>> -      <arg value="${pom}.tmp"/>
>> -    </exec>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{file}" />
>> +      <param name="file.out" value="@{file}.asc" />
>> +    </antcall>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{pom}.tmp" />
>> +      <param name="file.out" value="@{pom}.asc" />
>> +    </antcall>
>>
>>      <artifact:deploy file="${file}">
>>        <pom file="${pom}.tmp"/>
>> @@ -198,35 +169,18 @@
>>      </copy>
>>
>>      <!--sign the zip, the tar.gz and the pom -->
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="${file}.zip"/>
>> -    </exec>
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="${file}.tar.gz"/>
>> -    </exec>
>> -    <exec executable="${gpg.exec}" failonerror="true"
>> -          inputstring="${gpg.passphrase}">
>> -      <arg value="--batch"/>
>> -      <arg value="--passphrase-fd"/>
>> -      <arg value="0"/>
>> -      <arg value="-a"/>
>> -      <arg value="-b"/>
>> -      <arg value="-o"/>
>> -      <arg value="${pom}.asc"/>
>> -      <arg value="${pom}.tmp"/>
>> -    </exec>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{file}" />
>> +      <param name="file.out" value="@{file}.asc" />
>> +    </antcall>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{file}.tar.gz" />
>> +      <param name="file.out" value="@{file}.tar.gz.asc" />
>> +    </antcall>
>> +    <antcall target="-sign" >
>> +      <param name="file.in" value="@{pom}.tmp" />
>> +      <param name="file.out" value="@{pom}.asc" />
>> +    </antcall>
>>
>>      <artifact:deploy file="${pom}">
>>          <pom file="${pom}.tmp"/>
>> @@ -262,7 +216,7 @@
>>      </sequential>
>>    </macrodef>
>>
>> -  <target name="generic-deploy" depends="init-maven,init-gpg,init-ldap">
>> +  <target name="generic-deploy"
> depends="init-maven,init-gpg-1,init-gpg-2,init-ldap">
>>      <!-- Standard jars in bin directory -->
>>      <!-- Skip bootstrap.jar - it is just a subset of catalina.jar -->
>>      <doMavenDeploy artifactId="tomcat-juli"
>> @@ -399,7 +353,11 @@
>>      </antcall>
>>    </target>
>>
>> -  <target name="init-gpg">
>> +  <target name="init-gpg-1">
>> +    <available file="${gpg.exec}" property="gpg.exec.available"/>
>> +  </target>
>> +
>> +  <target name="init-gpg-2" if="${gpg.exec.available}">
>>      <input message="Enter GPG pass-phrase" addproperty="gpg.passphrase" >
>>        <handler type="secure"/>
>>      </input>
>> @@ -412,4 +370,19 @@
>>      </input>
>>    </target>
>>
>> +  <target name="-sign" if="gpg.passphrase">
>> +    <fail unless="file" />
>> +    <exec executable="${gpg.exec}" failonerror="true"
>> +          inputstring="${gpg.passphrase}">
>> +      <arg value="--batch"/>
>> +      <arg value="--passphrase-fd"/>
>> +      <arg value="0"/>
>> +      <arg value="-a"/>
>> +      <arg value="-b"/>
>> +      <arg value="-o"/>
>> +      <arg value="${file.out}"/>
>> +      <arg value="${file.in}"/>
>> +    </exec>
>> +  </target>
>> +
>>  </project>
>>
>> Modified:
> tomcat/trunk/test/org/apache/tomcat/util/http/parser/TestHttpParserHost.java
>> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/tomcat/util/http/parser/TestHttpParserHost.java?rev=1789685&r1=1789684&r2=1789685&view=diff
>>
> ==============================================================================
>> ---
> tomcat/trunk/test/org/apache/tomcat/util/http/parser/TestHttpParserHost.java
> (original)
>> +++
> tomcat/trunk/test/org/apache/tomcat/util/http/parser/TestHttpParserHost.java
> Fri Mar 31 13:37:32 2017
>> @@ -66,6 +66,7 @@ public class TestHttpParserHost {
>>          result.add(new Object[] { TestType.IPv4, "0.0.0.256",
> Integer.valueOf(-1), IAE} );
>>          result.add(new Object[] { TestType.IPv4, "0.a.0.0",
> Integer.valueOf(-1), IAE} );
>>          result.add(new Object[] { TestType.IPv4, "0..0.0",
> Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv4, "0]",
> Integer.valueOf(-1), IAE} );
>>          // Domain Name - valid
>>          result.add(new Object[] { TestType.DOMAIN_NAME, "localhost",
> Integer.valueOf(-1), null} );
>>          result.add(new Object[] { TestType.DOMAIN_NAME,
> "localhost:8080", Integer.valueOf(9), null} );
>> @@ -121,6 +122,7 @@ public class TestHttpParserHost {
>>          result.add(new Object[] { TestType.IPv6,
> "[0:0:0:0:0:0:127.0.0.1]", Integer.valueOf(-1), null} );
>>          result.add(new Object[] { TestType.IPv6,
> "[0:0:0:0:0:0:127.0.0.1]:8080",
>>                  Integer.valueOf(23), null} );
>> +        result.add(new Object[] { TestType.IPv6, "[::1.2.3.4]",
> Integer.valueOf(-1), null} );
>>          // IPv6 - invalid
>>          result.add(new Object[] { TestType.IPv6,
> "[1234:5678:90AB:CDEF:1234:127.0.0.1]",
>>                  Integer.valueOf(-1), IAE} );
>> @@ -136,6 +138,18 @@ public class TestHttpParserHost {
>>          result.add(new Object[] { TestType.IPv6, "[0::0::127.0.0.1]",
> Integer.valueOf(-1), IAE} );
>>          result.add(new Object[] { TestType.IPv6,
> "[0:0:G:0:0:0:127.0.0.1]", Integer.valueOf(-1), IAE} );
>>          result.add(new Object[] { TestType.IPv6,
> "[00000:0:0:0:0:0:127.0.0.1]", Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6, "[::1]'",
> Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6,
> "[:2222:3333:4444:5555:6666:7777:8888]",
>> +                Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6,
> "[1111:::3333:4444:5555:6666:7777:8888]",
>> +                Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6, "::1]",
> Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6,
> "[1111:2222:3333:4444:5555:6666:7777:8888:9999]",
>> +                Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6,
> "[1111:2222:3333:4444:5555:6666:7777:1.2.3.4]",
>> +            Integer.valueOf(-1), IAE} );
>> +        result.add(new Object[] { TestType.IPv6, "[1111:2222:3333]",
>> +            Integer.valueOf(-1), IAE} );
>>          return result;
>>      }
>>
>> @@ -165,6 +179,7 @@ public class TestHttpParserHost {
>>          if (expectedException == null) {
>>              Assert.assertNull(input, exceptionClass);
>>          } else {
>> +            Assert.assertNotNull(exceptionClass);
>>              Assert.assertTrue(input,
> expectedException.isAssignableFrom(exceptionClass));
>>          }
>>      }
>>
>> Modified: tomcat/trunk/webapps/docs/changelog.xml
>> URL:
> http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1789685&r1=1789684&r2=1789685&view=diff
>>
> ==============================================================================
>> --- tomcat/trunk/webapps/docs/changelog.xml (original)
>> +++ tomcat/trunk/webapps/docs/changelog.xml Fri Mar 31 13:37:32 2017
>> @@ -52,6 +52,10 @@
>>          method name from <code>getPushBuilder()</code> to
>>          <code>newPushBuilder()</code>. (markt)
>>        </update>
>> +      <fix>
>> +        Correct various edge cases in the new HTTP Host header validation
>> +        parser. Patch provided by Katya Todorova. (martk)
>> +      </fix>
>>      </changelog>
>>    </subsection>
>>    <subsection name="Jasper">
>>
>>
>>
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