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
80
81
82
83
84
85
|
/*
* nanobbs, a tiny forums software.
* Copyright (C) 2025-2026 Xavier Del Campo Romero
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#define _POSIX_C_SOURCE 200809L
#include "endpoints.h"
#include "auth.h"
#include "form.h"
#include <libweb/http.h>
#include <stdio.h>
static const char errmsg[] = "Invalid or missing cookie";
static int setup(const struct http_payload *const p,
struct http_response *const r, void *const user, sqlite3 *const db,
const struct auth_user *const u)
{
static const char date[] = "Thu, 1 Jan 1970 00:00:00 GMT";
int ret = -1, error;
struct dynstr d;
dynstr_init(&d);
if (!u)
{
ret = form_unauthorized("Authentication required", r);
goto end;
}
else if (dynstr_append(&d, "%s=expired; Expires=%s", u->username, date))
{
fprintf(stderr, "%s: dynstr_append failed\n", __func__);
goto end;
}
*r = (const struct http_response){.status = HTTP_STATUS_SEE_OTHER};
if (http_response_add_header(r, "Set-Cookie", d.str)
|| http_response_add_header(r, "Location", "/"))
{
fprintf(stderr, "%s: http_response_add_header failed\n", __func__);
goto end;
}
ret = 0;
end:
if ((error = sqlite3_close(db)) != SQLITE_OK)
{
fprintf(stderr, "%s: sqlite3_close: %s\n", __func__,
sqlite3_errstr(error));
ret = -1;
}
dynstr_free(&d);
return ret;
}
int ep_logout(const struct http_payload *const p,
struct http_response *const r, void *const user)
{
int ret = auth_validate(p, r, user, setup);
if (ret < 0)
fprintf(stderr, "%s: auth_validate failed\n", __func__);
else if (ret)
ret = form_badreq(errmsg, r);
return ret;
}
|
