tinyproxy/src/anonymous.c
Mukund Sivaraman 249d4b7f33 Updated copyright, license notices in source code
The notices have been changed to a more GNU look. Documentation
comments have been separated from the copyright header. I've tried to
keep all copyright notices intact. Some author contact details have
been updated.
2008-05-24 13:35:49 +05:30

78 lines
2.1 KiB
C

/* tinyproxy - A fast light-weight HTTP proxy
* 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 of the License, 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* Handles insertion and searches for headers which should be let through
* when the anonymous feature is turned on.
*/
#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));
}