polarssl: check us->notify_verify_error for NULL before calling it
[project/ustream-ssl.git] / ustream-ssl.h
1 /*
2 * ustream-ssl - library for SSL over ustream
3 *
4 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef __USTREAM_SSL_H
20 #define __USTREAM_SSL_H
21
22 #include <libubox/ustream.h>
23
24 struct ustream_ssl {
25 struct ustream stream;
26 struct ustream *conn;
27 struct uloop_timeout error_timer;
28
29 void (*notify_connected)(struct ustream_ssl *us);
30 void (*notify_error)(struct ustream_ssl *us, int error, const char *str);
31 void (*notify_verify_error)(struct ustream_ssl *us, int error, const char *str);
32
33 struct ustream_ssl_ctx *ctx;
34 void *ssl;
35
36 char *peer_cn;
37
38 int error;
39 bool connected;
40 bool server;
41
42 bool valid_cert;
43 bool valid_cn;
44 };
45
46 struct ustream_ssl_ctx;
47
48 struct ustream_ssl_ops {
49
50 struct ustream_ssl_ctx *(*context_new)(bool server);
51 int (*context_set_crt_file)(struct ustream_ssl_ctx *ctx, const char *file);
52 int (*context_set_key_file)(struct ustream_ssl_ctx *ctx, const char *file);
53 int (*context_add_ca_crt_file)(struct ustream_ssl_ctx *ctx, const char *file);
54 void (*context_free)(struct ustream_ssl_ctx *ctx);
55
56 int (*init)(struct ustream_ssl *us, struct ustream *conn, struct ustream_ssl_ctx *ctx, bool server);
57 int (*set_peer_cn)(struct ustream_ssl *conn, const char *name);
58 };
59
60 extern const struct ustream_ssl_ops ustream_ssl_ops;
61
62 #define ustream_ssl_context_new ustream_ssl_ops.context_new
63 #define ustream_ssl_context_set_crt_file ustream_ssl_ops.context_set_crt_file
64 #define ustream_ssl_context_set_key_file ustream_ssl_ops.context_set_key_file
65 #define ustream_ssl_context_add_ca_crt_file ustream_ssl_ops.context_add_ca_crt_file
66 #define ustream_ssl_context_free ustream_ssl_ops.context_free
67 #define ustream_ssl_init ustream_ssl_ops.init
68 #define ustream_ssl_set_peer_cn ustream_ssl_ops.set_peer_cn
69
70 #endif