2 * ustream-ssl - library for SSL over ustream
4 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
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.
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.
19 #include "ustream-ssl.h"
20 #include "ustream-internal.h"
22 __hidden struct ustream_ssl_ctx *
23 __ustream_ssl_context_new(bool server)
25 static bool _init = false;
30 SSL_load_error_strings();
35 #ifdef CYASSL_OPENSSL_H_
37 m = SSLv23_server_method();
39 m = SSLv23_client_method();
42 m = TLSv1_server_method();
44 m = TLSv1_client_method();
47 c = SSL_CTX_new((void *) m);
52 SSL_CTX_set_verify(c, SSL_VERIFY_NONE, NULL);
57 __hidden int __ustream_ssl_set_crt_file(struct ustream_ssl_ctx *ctx, const char *file)
61 ret = SSL_CTX_use_certificate_file((void *) ctx, file, SSL_FILETYPE_PEM);
63 ret = SSL_CTX_use_certificate_file((void *) ctx, file, SSL_FILETYPE_ASN1);
71 __hidden int __ustream_ssl_set_key_file(struct ustream_ssl_ctx *ctx, const char *file)
75 ret = SSL_CTX_use_PrivateKey_file((void *) ctx, file, SSL_FILETYPE_PEM);
77 ret = SSL_CTX_use_PrivateKey_file((void *) ctx, file, SSL_FILETYPE_ASN1);
85 __hidden void __ustream_ssl_context_free(struct ustream_ssl_ctx *ctx)
87 SSL_CTX_free((void *) ctx);
90 static void ustream_ssl_error(struct ustream_ssl *us, int ret)
93 uloop_timeout_set(&us->error_timer, 0);
96 __hidden enum ssl_conn_status __ustream_ssl_connect(struct ustream_ssl *us)
104 r = SSL_connect(ssl);
109 r = SSL_get_error(ssl, r);
110 if (r == SSL_ERROR_WANT_READ || r == SSL_ERROR_WANT_WRITE)
111 return U_SSL_PENDING;
113 ustream_ssl_error(us, r);
117 __hidden int __ustream_ssl_write(struct ustream_ssl *us, const char *buf, int len)
120 int ret = SSL_write(ssl, buf, len);
123 int err = SSL_get_error(ssl, ret);
124 if (err == SSL_ERROR_WANT_WRITE)
127 ustream_ssl_error(us, err);
134 __hidden int __ustream_ssl_read(struct ustream_ssl *us, char *buf, int len)
136 int ret = SSL_read(us->ssl, buf, len);
139 ret = SSL_get_error(us->ssl, ret);
140 if (ret == SSL_ERROR_WANT_READ)
141 return U_SSL_PENDING;
143 ustream_ssl_error(us, ret);