1 /* Copyright (C) 2009-2014, Martin Johansson <martin@fatbob.nu>
3 Copyright (C) 2005-2014, 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.
42 #if defined(USE_POLARSSL)
43 #include <polarssl/ssl.h>
44 #include <polarssl/version.h>
46 #if defined(POLARSSL_VERSION_MAJOR)
47 #if (POLARSSL_VERSION_MAJOR < 1)
48 #error PolarSSL version 1.0.0 or greater is required!
51 #error PolarSSL version 1.0.0 or greater is required!
54 #if defined(USE_POLARSSL_HAVEGE)
55 #include <polarssl/havege.h>
56 #if (POLARSSL_VERSION_MINOR >= 1)
57 #define HAVEGE_RAND (havege_random)
58 #define RAND_bytes(_dst_, _size_) do { \
59 havege_random(&hs, _dst_, _size_); \
62 #define HAVEGE_RAND (havege_rand)
63 #define RAND_bytes(_dst_, _size_) do { \
65 for (i = 0; i < _size_; i++) { \
66 _dst_[i] = havege_rand(&hs); \
71 #define RAND_bytes(_dst_, _size_) do { urandom_bytes(NULL, _dst_, _size_); } while (0)
72 int urandom_bytes(void *ctx, unsigned char *dest, size_t len);
75 #if (POLARSSL_VERSION_MINOR >= 2)
76 #define POLARSSL_API_V1_2_ABOVE
78 #if (POLARSSL_VERSION_MINOR == 3)
79 #define POLARSSL_API_V1_3_ABOVE
82 #define SSLI_ERROR_WANT_READ -0x0F300 /* PolarSSL v0.x.x uses -0x0f00 -> --0x0f90, v1.x.x uses -0x7080 -> -0x7e80 */
83 #define SSLI_ERROR_WANT_WRITE -0x0F310
85 #define SSLI_ERROR_ZERO_RETURN 0
86 #define SSLI_ERROR_CONNRESET POLARSSL_ERR_NET_CONN_RESET
87 #define SSLI_ERROR_SYSCALL POLARSSL_ERR_NET_RECV_FAILED
89 typedef ssl_context SSL_handle_t;
91 #elif defined(USE_MBEDTLS)
92 #include <mbedtls/ssl.h>
93 #if (MBEDTLS_VERSION_MINOR > 3)
94 #include <mbedtls/net_socket.h>
96 #include <mbedtls/net.h>
98 #include <mbedtls/version.h>
100 #if defined(MBEDTLS_VERSION_MAJOR)
101 #if (MBEDTLS_VERSION_MAJOR < 2)
102 #error mbedTLS version 2.0.0 or greater is required!
105 #error mbedTLS version 2.0.0 or greater is required!
108 #if defined(USE_MBEDTLS_HAVEGE)
109 #include <mbedtls/havege.h>
110 #define HAVEGE_RAND (havege_random)
111 #define RAND_bytes(_dst_, _size_) do { \
112 mbedtls_havege_random(&hs, _dst_, _size_); \
115 #define RAND_bytes(_dst_, _size_) do { urandom_bytes(NULL, _dst_, _size_); } while (0)
116 int urandom_bytes(void *ctx, unsigned char *dest, size_t len);
119 #define SSLI_ERROR_WANT_READ -0x0F300 /* mbedTLS v0.x.x uses -0x0f00 -> --0x0f90, v1.x.x uses -0x7080 -> -0x7e80 */
120 #define SSLI_ERROR_WANT_WRITE -0x0F310
122 #define SSLI_ERROR_ZERO_RETURN 0
123 #define SSLI_ERROR_CONNRESET MBEDTLS_ERR_NET_CONN_RESET
124 #define SSLI_ERROR_SYSCALL MBEDTLS_ERR_NET_RECV_FAILED
126 typedef mbedtls_ssl_context SSL_handle_t;
128 #elif defined(USE_GNUTLS)
130 #include <gnutls/gnutls.h>
132 #define SSLI_ERROR_WANT_READ GNUTLS_E_AGAIN
133 #define SSLI_ERROR_WANT_WRITE GNUTLS_E_AGAIN
134 #define SSLI_ERROR_ZERO_RETURN GNUTLS_E_PREMATURE_TERMINATION
135 #define SSLI_ERROR_CONNRESET GNUTLS_E_PREMATURE_TERMINATION
136 #define SSLI_ERROR_SYSCALL GNUTLS_E_PREMATURE_TERMINATION
138 typedef gnutls_session_t SSL_handle_t;
141 #include <openssl/x509v3.h>
142 #include <openssl/ssl.h>
144 #define SSLI_ERROR_WANT_READ SSL_ERROR_WANT_READ
145 #define SSLI_ERROR_WANT_WRITE SSL_ERROR_WANT_WRITE
146 #define SSLI_ERROR_ZERO_RETURN SSL_ERROR_ZERO_RETURN
147 #define SSLI_ERROR_CONNRESET SSL_ERROR_ZERO_RETURN
148 #define SSLI_ERROR_SYSCALL SSL_ERROR_SYSCALL
150 typedef SSL SSL_handle_t;
154 void SSLi_init(void);
155 void SSLi_deinit(void);
156 SSL_handle_t *SSLi_newconnection(int *fd, bool_t *SSLready);
157 bool_t SSLi_getSHA1Hash(SSL_handle_t *ssl, uint8_t *hash);
158 void SSLi_closeconnection(SSL_handle_t *ssl);
159 int SSLi_nonblockaccept(SSL_handle_t *ssl, bool_t *SSLready);
160 int SSLi_read(SSL_handle_t *ssl, uint8_t *buf, int len);
161 int SSLi_write(SSL_handle_t *ssl, uint8_t *buf, int len);
162 int SSLi_get_error(SSL_handle_t *ssl, int code);
163 bool_t SSLi_data_pending(SSL_handle_t *ssl);
164 void SSLi_shutdown(SSL_handle_t *ssl);
165 void SSLi_free(SSL_handle_t *ssl);
167 static inline void SSLi_hash2hex(uint8_t *hash, char *out)
170 for (i = 0; i < 20; i++)
171 offset += sprintf(out + offset, "%02x", hash[i]);
174 static inline void SSLi_hex2hash(char *in, uint8_t *hash)
181 for (i = 0; i < 20; i++) {
182 memcpy(byte, &in[i * 2], 2);
183 sscanf(byte, "%02x", &scanned);