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/* $Id: anonymous.c,v 1.15 2005-07-12 17:39:43 rjkaes Exp $
*
* Handles insertion and searches for headers which should be let through when
* the anonymous feature is turned on.
*
* Copyright (C) 2000 Robert James Kaes (rjkaes@users.sourceforge.net)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#include "tinyproxy.h"
#include "anonymous.h"
#include "hashmap.h"
#include "heap.h"
#include "log.h"
static hashmap_t anonymous_map = NULL;
short int
is_anonymous_enabled(void)
{
return (anonymous_map != NULL) ? 1 : 0;
}
/*
* Search for the header. This function returns a positive value greater than
* zero if the string was found, zero if it wasn't and negative upon error.
*/
int
anonymous_search(char *s)
{
assert(s != NULL);
assert(anonymous_map != NULL);
return hashmap_search(anonymous_map, s);
}
/*
* Insert a new header.
*
* Return -1 if there is an error, otherwise a 0 is returned if the insert was
* successful.
*/
int
anonymous_insert(char *s)
{
char data = 1;
assert(s != NULL);
if (!anonymous_map) {
anonymous_map = hashmap_create(32);
if (!anonymous_map)
return -1;
}
if (hashmap_search(anonymous_map, s) > 0) {
/* The key was already found, so return a positive number. */
return 0;
}
/* Insert the new key */
return hashmap_insert(anonymous_map, s, &data, sizeof(data));
}
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