1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/* 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 (const 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 (const 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));
}
|
