1 /* Copyright (C) 2009-2013, Martin Johansson <martin@fatbob.nu>
2 Copyright (C) 2005-2013, Thorvald Natvig <thorvald@natvig.com>
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
10 - Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 - Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15 - Neither the name of the Developers nor the names of its contributors may
16 be used to endorse or promote products derived from this software without
17 specific prior written permission.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
23 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 #include <polarssl/ssl.h>
41 #include <polarssl/version.h>
43 #ifdef POLARSSL_VERSION_MAJOR
44 #if (POLARSSL_VERSION_MAJOR < 1)
45 #error PolarSSL version 1.0.0 or greater is required!
48 #error PolarSSL version 1.0.0 or greater is required!
51 #ifdef USE_POLARSSL_HAVEGE
52 #include <polarssl/havege.h>
53 #if (POLARSSL_VERSION_MINOR >= 1)
54 #define HAVEGE_RAND (havege_random)
55 #define RAND_bytes(_dst_, _size_) do { \
56 havege_random(&hs, _dst_, _size_); \
59 #define HAVEGE_RAND (havege_rand)
60 #define RAND_bytes(_dst_, _size_) do { \
62 for (i = 0; i < _size_; i++) { \
63 _dst_[i] = havege_rand(&hs); \
68 #define RAND_bytes(_dst_, _size_) do { urandom_bytes(NULL, _dst_, _size_); } while (0)
69 int urandom_bytes(void *ctx, unsigned char *dest, size_t len);
72 #if (POLARSSL_VERSION_MINOR >= 2)
73 #define POLARSSL_API_V1_2_ABOVE
75 #if (POLARSSL_VERSION_MINOR == 3)
76 #define POLARSSL_API_V1_3_ABOVE
80 #include <openssl/x509v3.h>
81 #include <openssl/ssl.h>
88 #define SSLI_ERROR_WANT_READ -0x0F300 /* PolarSSL v0.x.x uses -0x0f00 -> --0x0f90, v1.x.x uses -0x7080 -> -0x7e80 */
89 #define SSLI_ERROR_WANT_WRITE -0x0F310
91 #define SSLI_ERROR_ZERO_RETURN 0
92 #define SSLI_ERROR_CONNRESET POLARSSL_ERR_NET_CONN_RESET
93 #define SSLI_ERROR_SYSCALL POLARSSL_ERR_NET_RECV_FAILED
95 typedef ssl_context SSL_handle_t;
99 #define SSLI_ERROR_WANT_READ SSL_ERROR_WANT_READ
100 #define SSLI_ERROR_WANT_WRITE SSL_ERROR_WANT_WRITE
101 #define SSLI_ERROR_ZERO_RETURN SSL_ERROR_ZERO_RETURN
102 #define SSLI_ERROR_CONNRESET SSL_ERROR_ZERO_RETURN
103 #define SSLI_ERROR_SYSCALL SSL_ERROR_SYSCALL
105 typedef SSL SSL_handle_t;
109 void SSLi_init(void);
110 void SSLi_deinit(void);
111 SSL_handle_t *SSLi_newconnection(int *fd, bool_t *SSLready);
112 bool_t SSLi_getSHA1Hash(SSL_handle_t *ssl, uint8_t *hash);
113 void SSLi_closeconnection(SSL_handle_t *ssl);
114 int SSLi_nonblockaccept(SSL_handle_t *ssl, bool_t *SSLready);
115 int SSLi_read(SSL_handle_t *ssl, uint8_t *buf, int len);
116 int SSLi_write(SSL_handle_t *ssl, uint8_t *buf, int len);
117 int SSLi_get_error(SSL_handle_t *ssl, int code);
118 bool_t SSLi_data_pending(SSL_handle_t *ssl);
119 void SSLi_shutdown(SSL_handle_t *ssl);
120 void SSLi_free(SSL_handle_t *ssl);
122 static inline void SSLi_hash2hex(uint8_t *hash, char *out)
125 for (i = 0; i < 20; i++)
126 offset += sprintf(out + offset, "%02x", hash[i]);
128 static inline void SSLi_hex2hash(char *in, uint8_t *hash)
135 for (i = 0; i < 20; i++) {
136 memcpy(byte, &in[i * 2], 2);
137 sscanf(byte, "%02x", &scanned);