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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* uhttpd - Tiny single-threaded httpd - Main header
*
* Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
* Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <dlfcn.h>
#include "uhttpd.h"
#include "tls.h"
#ifdef __APPLE__
#define LIB_EXT "dylib"
#else
#define LIB_EXT "so"
#endif
static struct ustream_ssl_ops *ops;
static void *dlh;
static void *ctx;
int uh_tls_init(const char *key, const char *crt)
{
static bool _init = false;
if (_init)
return 0;
_init = true;
dlh = dlopen("libustream-ssl." LIB_EXT, RTLD_LAZY | RTLD_LOCAL);
if (!dlh) {
fprintf(stderr, "Failed to load ustream-ssl library: %s\n", dlerror());
return -ENOENT;
}
ops = dlsym(dlh, "ustream_ssl_ops");
if (!ops) {
fprintf(stderr, "Could not find required symbol 'ustream_ssl_ops' in ustream-ssl library\n");
return -ENOENT;
}
ctx = ops->context_new(true);
if (!ctx) {
fprintf(stderr, "Failed to initialize ustream-ssl\n");
return -EINVAL;
}
if (ops->context_set_crt_file(ctx, crt) ||
ops->context_set_key_file(ctx, key)) {
fprintf(stderr, "Failed to load certificate/key files\n");
return -EINVAL;
}
return 0;
}
static void tls_ustream_read_cb(struct ustream *s, int bytes)
{
struct client *cl = container_of(s, struct client, ssl);
uh_client_read_cb(cl);
}
static void tls_ustream_write_cb(struct ustream *s, int bytes)
{
struct client *cl = container_of(s, struct client, ssl);
if (cl->dispatch.write_cb)
cl->dispatch.write_cb(cl);
}
static void tls_notify_state(struct ustream *s)
{
struct client *cl = container_of(s, struct client, ssl);
uh_client_notify_state(cl);
}
void uh_tls_client_attach(struct client *cl)
{
cl->us = &cl->ssl.stream;
ops->init(&cl->ssl, &cl->sfd.stream, ctx, true);
cl->us->notify_read = tls_ustream_read_cb;
cl->us->notify_write = tls_ustream_write_cb;
cl->us->notify_state = tls_notify_state;
}
void uh_tls_client_detach(struct client *cl)
{
ustream_free(&cl->ssl.stream);
}
|
