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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=26832

Incorrect logic checking return value of jk_requtil_escapeUrl in jk_isapi_plugin.c

           Summary: Incorrect logic checking return value of
                    jk_requtil_escapeUrl in jk_isapi_plugin.c
           Product: Tomcat 5
           Version: 5.0.18
          Platform: PC
        OS/Version: Windows NT/2K
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Native:JK
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


In the file jk_requtil.c jk_requtil_escapeUrl() returns JK_OK (which evaluates 
to 0) to indicate success. 

In the current jk_isapi_plugin.c the call expects 0 to mean failure as follows:

if (!jk_requtil_escapeUrl(uri,snuri,INTERNET_MAX_URL_LENGTH)) {
    env->l->jkLog(env, env->l,  JK_LOG_ERROR, 
      "HttpFilterProc [%s] re-encoding request exceeds maximum buffer size.\n", 
      uri);
    write_error_response(pfc,"400 Bad Request", HTML_ERROR_400);
               workerEnv->globalEnv->releaseEnv( workerEnv->globalEnv, env );
    return SF_STATUS_REQ_FINISHED;
}

The if statement should be changed to:

if (jk_requtil_escapeUrl(uri,snuri,INTERNET_MAX_URL_LENGTH) != JK_OK) {

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