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From bugzi...@apache.org
Subject [Bug 59655] New: The CookieNameValidator has issue that related to the consistency
Date Thu, 02 Jun 2016 08:35:19 GMT
https://bz.apache.org/bugzilla/show_bug.cgi?id=59655

            Bug ID: 59655
           Summary: The CookieNameValidator has issue that related to the
                    consistency
           Product: Tomcat 9
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: nakamura.kyohei.lab@gmail.com

The javax.servlet.http.CookieNameValidator has multiple implementations.
If the org.apache.tomcat.util.http.ServerCookie.STRICT_NAMING system property
is not specified, the javax.servlet.http.NetscapeValidator will be used in
default.

The NetscapeValidator allows HTTP separators (excluding semi-colon, comma and
white space) in the cookie name.
However, the Rfc6265CookieProcessor and the LegacyCookieProcessor do not allow
HTTP separators in the cookie name.
As a result, although Tomcat sends cookie header that include HTTP separators
in the cookie name, the Tomcat can not receive the cookie header.
I think that it lacks consistency.
The CookieNameValidator and the CookieProcessor should be the consistency.

On the other hand, the implementation of CookieNameValidator to use can be
switched by the org.apache.tomcat.util.http.ServerCookie.STRICT_NAMING system
property, but can not be switched per Context, like the CookieProcessor.
I think that setting of the CookieNameValidator per Context is more useful.

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