mbedTLS 2.x support

[umurmur.git] / src / ssl.h

diff --git a/src/ssl.h b/src/ssl.h
index 27920e49b414a0dab06a803b9841675d3f92a8f8..2bb80e2a9b76ebe87b695a3fd6e209875c4a72b5 100644 (file)
--- a/src/ssl.h
+++ b/src/ssl.h
@@ -1,6 +1,6 @@
-/* Copyright (C) 2009-2011, Martin Johansson <martin@fatbob.nu>
-   Copyright (C) 2005-2011, Thorvald Natvig <thorvald@natvig.com>
+/* Copyright (C) 2009-2014, Martin Johansson <martin@fatbob.nu>
 
+   Copyright (C) 2005-2014, Thorvald Natvig <thorvald@natvig.com>
    All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
@@ -32,30 +32,110 @@
 #ifndef SSL_H_987698
 #define SSL_H_987698
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
+#include "types.h"
 
-#ifdef USE_POLARSSL
+#include <inttypes.h>
+#include <stdio.h>
+#include <string.h>
+
+#if defined(USE_POLARSSL)
 #include <polarssl/ssl.h>
+#include <polarssl/version.h>
+
+#if defined(POLARSSL_VERSION_MAJOR)
+#if (POLARSSL_VERSION_MAJOR < 1)
+#error PolarSSL version 1.0.0 or greater is required!
+#endif
 #else
-#include <openssl/x509v3.h>
-#include <openssl/ssl.h>
+#error PolarSSL version 1.0.0 or greater is required!
 #endif
 
-#include "types.h"
-#include <inttypes.h>
+#if defined(USE_POLARSSL_HAVEGE)
+#include <polarssl/havege.h>
+    #if (POLARSSL_VERSION_MINOR >= 1)
+        #define HAVEGE_RAND (havege_random)
+        #define RAND_bytes(_dst_, _size_) do { \
+               havege_random(&hs, _dst_, _size_); \
+        } while (0)
+    #else
+        #define HAVEGE_RAND (havege_rand)
+        #define RAND_bytes(_dst_, _size_) do { \
+            int i; \
+               for (i = 0; i < _size_; i++) { \
+                   _dst_[i] = havege_rand(&hs); \
+               } \
+        } while (0)
+    #endif
+#else
+#define RAND_bytes(_dst_, _size_) do { urandom_bytes(NULL, _dst_, _size_); } while (0)
+int urandom_bytes(void *ctx, unsigned char *dest, size_t len);
+#endif
+
+#if (POLARSSL_VERSION_MINOR >= 2)
+    #define POLARSSL_API_V1_2_ABOVE
+#endif
+#if (POLARSSL_VERSION_MINOR == 3)
+    #define POLARSSL_API_V1_3_ABOVE
+#endif
 
-#ifdef USE_POLARSSL
-#define SSLI_ERROR_WANT_READ -0x0F300 /* PolarSSL uses -0x0f00 -> --0x0f90 */
+#define SSLI_ERROR_WANT_READ -0x0F300 /* PolarSSL v0.x.x uses -0x0f00 -> --0x0f90, v1.x.x uses -0x7080 -> -0x7e80 */
 #define SSLI_ERROR_WANT_WRITE -0x0F310
-#define SSLI_ERROR_ZERO_RETURN POLARSSL_ERR_NET_CONN_RESET
+
+#define SSLI_ERROR_ZERO_RETURN 0
 #define SSLI_ERROR_CONNRESET POLARSSL_ERR_NET_CONN_RESET
 #define SSLI_ERROR_SYSCALL POLARSSL_ERR_NET_RECV_FAILED
 
 typedef        ssl_context SSL_handle_t;
 
+#elif defined(USE_MBEDTLS)
+#include <mbedtls/ssl.h>
+#include <mbedtls/net.h>
+#include <mbedtls/version.h>
+
+#if defined(MBEDTLS_VERSION_MAJOR)
+#if (MBEDTLS_VERSION_MAJOR < 2)
+#error mbedTLS version 2.0.0 or greater is required!
+#endif
 #else
+#error mbedTLS version 2.0.0 or greater is required!
+#endif
+
+#if defined(USE_MBEDTLS_HAVEGE)
+#include <mbedtls/havege.h>
+    #define HAVEGE_RAND (havege_random)
+    #define RAND_bytes(_dst_, _size_) do { \
+        mbedtls_havege_random(&hs, _dst_, _size_); \
+    } while (0)
+#else
+#define RAND_bytes(_dst_, _size_) do { urandom_bytes(NULL, _dst_, _size_); } while (0)
+int urandom_bytes(void *ctx, unsigned char *dest, size_t len);
+#endif
+
+#define SSLI_ERROR_WANT_READ -0x0F300 /* mbedTLS v0.x.x uses -0x0f00 -> --0x0f90, v1.x.x uses -0x7080 -> -0x7e80 */
+#define SSLI_ERROR_WANT_WRITE -0x0F310
+
+#define SSLI_ERROR_ZERO_RETURN 0
+#define SSLI_ERROR_CONNRESET MBEDTLS_ERR_NET_CONN_RESET
+#define SSLI_ERROR_SYSCALL MBEDTLS_ERR_NET_RECV_FAILED
+
+typedef        mbedtls_ssl_context SSL_handle_t;
+
+#elif defined(USE_GNUTLS)
+
+#include <gnutls/gnutls.h>
+
+#define SSLI_ERROR_WANT_READ GNUTLS_E_AGAIN
+#define SSLI_ERROR_WANT_WRITE GNUTLS_E_AGAIN
+#define SSLI_ERROR_ZERO_RETURN GNUTLS_E_PREMATURE_TERMINATION
+#define SSLI_ERROR_CONNRESET GNUTLS_E_PREMATURE_TERMINATION
+#define SSLI_ERROR_SYSCALL GNUTLS_E_PREMATURE_TERMINATION
+
+typedef gnutls_session_t SSL_handle_t;
+
+#else /* OpenSSL */
+#include <openssl/x509v3.h>
+#include <openssl/ssl.h>
 
 #define SSLI_ERROR_WANT_READ SSL_ERROR_WANT_READ
 #define SSLI_ERROR_WANT_WRITE SSL_ERROR_WANT_WRITE
@@ -70,6 +150,7 @@ typedef SSL SSL_handle_t;
 void SSLi_init(void);
 void SSLi_deinit(void);
 SSL_handle_t *SSLi_newconnection(int *fd, bool_t *SSLready);
+bool_t SSLi_getSHA1Hash(SSL_handle_t *ssl, uint8_t *hash);
 void SSLi_closeconnection(SSL_handle_t *ssl);
 int SSLi_nonblockaccept(SSL_handle_t *ssl, bool_t *SSLready);
 int SSLi_read(SSL_handle_t *ssl, uint8_t *buf, int len);
@@ -79,4 +160,25 @@ bool_t SSLi_data_pending(SSL_handle_t *ssl);
 void SSLi_shutdown(SSL_handle_t *ssl);
 void SSLi_free(SSL_handle_t *ssl);
 
+static inline void SSLi_hash2hex(uint8_t *hash, char *out)
+{
+       int i, offset = 0;
+       for (i = 0; i < 20; i++)
+               offset += sprintf(out + offset, "%02x", hash[i]);
+}
+
+static inline void SSLi_hex2hash(char *in, uint8_t *hash)
+{
+       int i;
+       char byte[3];
+       int scanned;
+
+       byte[2] = '\0';
+       for (i = 0; i < 20; i++) {
+               memcpy(byte, &in[i * 2], 2);
+               sscanf(byte, "%02x", &scanned);
+               hash[i] = scanned;
+       }
+}
 #endif
+