-const char filters_rcs[] = "$Id: filters.c,v 1.123 2009/06/19 15:50:53 fabiankeil Exp $";
+const char filters_rcs[] = "$Id: filters.c,v 1.129 2010/05/01 18:20:50 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/filters.c,v $
* `execute_single_pcrs_command', `rewrite_url',
* `get_last_url'
*
- * Copyright : Written by and Copyright (C) 2001, 2004-2009 the
+ * Copyright : Written by and Copyright (C) 2001-2010 the
* Privoxy team. http://www.privoxy.org/
*
* Based on the Internet Junkbuster originally written
{
log_error(LOG_LEVEL_ERROR, "handle-as-empty-document overruled by handle-as-image.");
}
-#if 1 /* Two alternative strategies, use this one for now: */
/* and handle accordingly: */
if ((p == NULL) || (0 == strcmpic(p, "pattern")))
return cgi_error_memory();
}
}
-
else if (0 == strcmpic(p, "blank"))
{
rsp->status = strdup("403 Request blocked by Privoxy");
return cgi_error_memory();
}
}
-
else
{
rsp->status = strdup("302 Local Redirect from Privoxy");
}
}
-#else /* Following code is disabled for now */
-
- /* and handle accordingly: */
- if ((p == NULL) || (0 == strcmpic(p, "pattern")))
- {
- p = CGI_PREFIX "send-banner?type=pattern";
- }
- else if (0 == strcmpic(p, "blank"))
- {
- p = CGI_PREFIX "send-banner?type=blank";
- }
- rsp->status = strdup("302 Local Redirect from Privoxy");
- if (rsp->status == NULL)
- {
- free_http_response(rsp);
- return cgi_error_memory();
- }
-
- if (enlist_unique_header(rsp->headers, "Location", p))
- {
- free_http_response(rsp);
- return cgi_error_memory();
- }
-#endif /* Preceeding code is disabled for now */
}
- else if(csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT)
+ else
+#endif /* def FEATURE_IMAGE_BLOCKING */
+ if(csp->action->flags & ACTION_HANDLE_AS_EMPTY_DOCUMENT)
{
/*
* Send empty document.
rsp->body = strdup(" ");
rsp->content_length = 1;
- rsp->status = strdup("403 Request blocked by Privoxy");
+ if (csp->config->feature_flags & RUNTIME_FEATURE_EMPTY_DOC_RETURNS_OK)
+ {
+ /*
+ * Workaround for firefox bug 492459
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=492459
+ * Return a 200 OK status for pages blocked with +handle-as-empty-document
+ * if the "handle-as-empty-doc-returns-ok" runtime config option is set.
+ */
+ rsp->status = strdup("200 Request blocked by Privoxy");
+ }
+ else
+ {
+ rsp->status = strdup("403 Request blocked by Privoxy");
+ }
+
if (rsp->status == NULL)
{
free_http_response(rsp);
}
}
else
-#endif /* def FEATURE_IMAGE_BLOCKING */
/*
* Else, generate an HTML "blocked" message:
return cgi_error_memory();
}
}
- rsp->reason = RSP_REASON_BLOCKED;
+ rsp->crunch_reason = BLOCKED;
return finish_http_response(csp, rsp);
free_http_response(rsp);
return cgi_error_memory();
}
- rsp->reason = RSP_REASON_UNTRUSTED;
+ rsp->crunch_reason = UNTRUSTED;
return finish_http_response(csp, rsp);
}
free_http_response(rsp);
return cgi_error_memory();
}
- rsp->reason = RSP_REASON_REDIRECTED;
+ rsp->crunch_reason = REDIRECTED;
freez(new_url);
return finish_http_response(csp, rsp);
*********************************************************************/
static char *pcrs_filter_response(struct client_state *csp)
{
- int hits=0;
+ int hits = 0;
+ int i;
size_t size, prev_size;
char *old = NULL;
struct re_filterfile_spec *b;
struct list_entry *filtername;
- int i, found_filters = 0;
-
/*
* Sanity first
*/
return(NULL);
}
- /*
- * Need to check the set of re_filterfiles...
- */
- for (i = 0; i < MAX_AF_FILES; i++)
- {
- fl = csp->rlist[i];
- if (NULL != fl)
- {
- if (NULL != fl->f)
- {
- found_filters = 1;
- break;
- }
- }
- }
-
- if (0 == found_filters)
+ if (filters_available(csp) == FALSE)
{
log_error(LOG_LEVEL_ERROR, "Inconsistent configuration: "
"content filtering enabled, but no content filters available.");
}
rsp->is_static = 1;
- rsp->reason = RSP_REASON_UNSUPPORTED;
+ rsp->crunch_reason = UNSUPPORTED;
return(finish_http_response(csp, rsp));
}
!list_is_empty(action->multi[ACTION_MULTI_FILTER]));
}
+
+/*********************************************************************
+ *
+ * Function : filters_available
+ *
+ * Description : Checks whether there are any filters available.
+ *
+ * Parameters :
+ * 1 : csp = Current client state (buffers, headers, etc...)
+ *
+ * Returns : TRUE for yes, FALSE otherwise.
+ *
+ *********************************************************************/
+int filters_available(const struct client_state *csp)
+{
+ int i;
+ for (i = 0; i < MAX_AF_FILES; i++)
+ {
+ const struct file_list *fl = csp->rlist[i];
+ if ((NULL != fl) && (NULL != fl->f))
+ {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+
/*
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