Author: markt Date: Wed Dec 16 16:27:26 2009 New Revision: 891289 URL: http://svn.apache.org/viewvc?rev=891289&view=rev Log: Provide new option to allow = in cookie values
Modified: tomcat/tc6.0.x/trunk/STATUS.txt tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/http/Cookies.java tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml Modified: tomcat/tc6.0.x/trunk/STATUS.txt URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/STATUS.txt?rev=891289&r1=891288&r2=891289&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/STATUS.txt (original) +++ tomcat/tc6.0.x/trunk/STATUS.txt Wed Dec 16 16:27:26 2009 @@ -307,11 +307,6 @@ +1: markt, jim -1: -* Provide new option to allow = in cookie values - http://people.apache.org/~markt/patches/2009-11-17-cookie-allow-equals.patch - +1: markt, jim, jfclere - -1: - * Alternative fix for CVE-2009-3555 SSL MITN The current patch uses an async callback to close the socket. It is technically possible an attack may suceed before the socket is closed Modified: tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/http/Cookies.java URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/http/Cookies.java?rev=891289&r1=891288&r2=891289&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/http/Cookies.java (original) +++ tomcat/tc6.0.x/trunk/java/org/apache/tomcat/util/http/Cookies.java Wed Dec 16 16:27:26 2009 @@ -46,6 +46,12 @@ MimeHeaders headers; + /** + * If true, cookie values are allowed to contain an equals character without + * being quoted. + */ + public static final boolean ALLOW_EQUALS_IN_VALUE; + /* List of Separator Characters (see isSeparator()) Excluding the '/' char violates the RFC, but @@ -65,6 +71,10 @@ for (int i = 0; i < SEPARATORS.length; i++) { separators[SEPARATORS[i]] = true; } + + ALLOW_EQUALS_IN_VALUE = Boolean.valueOf(System.getProperty( + "org.apache.tomcat.util.http.ServerCookie.ALLOW_EQUALS_IN_VALUE", + "false")).booleanValue(); } /** @@ -367,7 +377,7 @@ // Get the cookie name. This must be a token valueEnd = valueStart = nameStart = pos; - pos = nameEnd = getTokenEndPosition(bytes,pos,end); + pos = nameEnd = getTokenEndPosition(bytes,pos,end,true); // Skip whitespace while (pos < end && isWhiteSpace(bytes[pos])) {pos++; }; @@ -414,12 +424,14 @@ // The position is OK (On a delimiter) break; default:; - if (!isSeparator(bytes[pos])) { + if (!isSeparator(bytes[pos]) || + bytes[pos] == '=' && ALLOW_EQUALS_IN_VALUE) { // Token valueStart=pos; // getToken returns the position at the delimeter // or other non-token character - valueEnd=getTokenEndPosition(bytes, valueStart, end); + valueEnd = getTokenEndPosition(bytes, valueStart, end, + false); // We need pos to advance pos = valueEnd; } else { @@ -551,13 +563,26 @@ } /** + * @deprecated - Use private method + * {...@link #getTokenEndPosition(byte[], int, int, boolean)} instead + */ + public static final int getTokenEndPosition(byte bytes[], int off, int end){ + return getTokenEndPosition(bytes, off, end, true); + } + + /** * Given the starting position of a token, this gets the end of the * token, with no separator characters in between. * JVK */ - public static final int getTokenEndPosition(byte bytes[], int off, int end){ + private static final int getTokenEndPosition(byte bytes[], int off, int end, + boolean isName) { int pos = off; - while (pos < end && !isSeparator(bytes[pos])) {pos++; }; + while (pos < end && + (!isSeparator(bytes[pos]) || + bytes[pos]=='=' && ALLOW_EQUALS_IN_VALUE && !isName)) { + pos++; + } if (pos > end) return end; Modified: tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml?rev=891289&r1=891288&r2=891289&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml (original) +++ tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml Wed Dec 16 16:27:26 2009 @@ -301,6 +301,10 @@ <add> Make buffer size for FileHandler configurable. (fhanik) </add> + <add> + Provide an option to allow the equals character in unquoted cookie + values. (markt) + </add> </changelog> </subsection> <subsection name="Coyote"> Modified: tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml?rev=891289&r1=891288&r2=891289&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml (original) +++ tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml Wed Dec 16 16:27:26 2009 @@ -246,6 +246,16 @@ one active request will always be considered valid. If not specified, the default value of <code>false</code> will be used.</p> </property> + + <property + name="org.apache.tomcat.util.http. ServerCookie.ALLOW_EQUALS_IN_VALUE"> + <p>If this is <code>true</code> Tomcat will allow <code>=</code> + characters when parsing unquoted cookie values. If <code>false</code>, + cookie values containing <code>=</code> will be terminated when the + <code>=</code> is encountered and the remainder of the cookie value will + be dropped. If not specified, the default specification compliant value of + <code>false</code> will be used.</p> + </property> <property name="org.apache.tomcat.util.http. ServerCookie.ALWAYS_ADD_EXPIRES"> --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org