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From j...@apache.org
Subject cvs commit: httpd-apreq-2/env mod_apreq.c
Date Mon, 09 Aug 2004 05:12:19 GMT
joes        2004/08/08 22:12:19

  Modified:    env      mod_apreq.c
  Log:
  Document issues with AP_FTYPE_CONTENT_SET and AP_FTYPE_PROTOCOL input filters, and fix strcmp's:
one bogus one removed, and the other replaced by strcasecmp since Apache downcases the filter
name during ap_register_input_filter.
  
  Revision  Changes    Path
  1.60      +20 -7     httpd-apreq-2/env/mod_apreq.c
  
  Index: mod_apreq.c
  ===================================================================
  RCS file: /home/cvs/httpd-apreq-2/env/mod_apreq.c,v
  retrieving revision 1.59
  retrieving revision 1.60
  diff -u -r1.59 -r1.60
  --- mod_apreq.c	8 Aug 2004 18:42:05 -0000	1.59
  +++ mod_apreq.c	9 Aug 2004 05:12:19 -0000	1.60
  @@ -124,6 +124,20 @@
    * to read the data.  In other words, <code>r->input_filters</code> will
    * always point to the active APREQ filter for the request.
    *
  + * If you want to use other input filters to transform the incoming HTTP
  + * request data, is important to register those filters with Apache
  + * as having type AP_FTYPE_RESOURCE.  Due to limitations in Apache's 
  + * current input filter design, the other possibly relevant filter types - 
  + * AP_FTYPE_CONTENT_SET or AP_FTYPE_PROTOCOL - may not work properly
  + * whenever the apreq filter is active.
  + *
  + * This is especially true when a content handler uses libapreq2 to parse 
  + * some of the post data before doing an internal redirect.  Any input filter
  + * subsequently added to the redirected request will bypass the original apreq 
  + * filter (and therefore lose access to some of the original post data), unless 
  + * its type is AP_FTYPE_RESOURCE.
  + *
  + *
    * <h2>Server Configuration Directives</h2>
    *
    * <TABLE class="qref"><CAPTION>Per-directory commands for mod_apreq</CAPTION>
  @@ -157,7 +171,7 @@
   
   
   #define APREQ_MODULE_NAME               "APACHE2"
  -#define APREQ_MODULE_MAGIC_NUMBER       20040808
  +#define APREQ_MODULE_MAGIC_NUMBER       20040809
   
   static void apache2_log(const char *file, int line, int level, 
                           apr_status_t status, void *env, const char *fmt,
  @@ -256,9 +270,6 @@
       if (cfg->f == r->input_filters)
          return cfg->f;
   
  -    if (strcmp(r->input_filters->frec->name, filter_name) == 0)
  -        return cfg->f = r->input_filters;
  -
       cfg->f = ap_add_input_filter(filter_name, NULL, r, r->connection);
   
   /* ap_add_input_filter does not guarantee cfg->f == r->input_filters,
  @@ -500,14 +511,16 @@
                in = in->next)
           {
               if (f == in) {
  -                if (strcmp(r->input_filters->frec->name, filter_name) == 0) {
  -                    /* this intermediate apreq filter is superfluous- remove it */
  +                if (strcasecmp(r->input_filters->frec->name, filter_name) == 0)
{
  +                    apreq_log(APREQ_DEBUG 0, r, 
  +                              "removing intermediate apreq filter");
                       if (cfg->f == f)
                           cfg->f = r->input_filters;
                       ap_remove_input_filter(f);
                   }
                   else {
  -                    /* move to top and register it */
  +                    apreq_log(APREQ_DEBUG 0, r, 
  +                              "relocating intermediate apreq filter");
                       apreq_filter_relocate(f);
                       cfg->f = f;
                   }
  
  
  

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