Upload MbedTLS port

nothing new since january
just upload so all devs can participate.

git-svn-id: svn://kolibrios.org@8774 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/libraries/kos_mbedtls/library/net_sockets.c

@@ -0,0 +1,213 @@
+/*
+ *  TCP/IP or UDP/IP networking functions
+ *
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: GPL-2.0
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+/* Enable definition of getaddrinfo() even when compiling with -std=c99. Must
+ * be set before config.h, which pulls in glibc's features.h indirectly.
+ * Harmless on other platforms. */
+#define _POSIX_C_SOURCE 200112L
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#if defined(MBEDTLS_NET_C)
+
+#if defined(MBEDTLS_PLATFORM_C)
+#include "mbedtls/platform.h"
+#else
+#include <stdlib.h>
+#endif
+
+#include "mbedtls/net_sockets.h"
+
+#include <string.h>
+
+#include "kosnet/socket.h"
+#include "kosnet/network.h"
+/*#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+#include <unistd.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <errno.h>
+*/
+
+#define IS_EINTR( ret ) ( ( ret ) == EINTR )
+
+#include <stdio.h>
+//#include <time.h>
+#include <stdint.h>
+
+/*
+ * Prepare for using the sockets interface
+ */
+static int net_prepare( void )
+{
+	load_network_obj();
+    return( 0 );
+}
+
+/*
+ * Initialize a context
+ */
+void mbedtls_net_init( mbedtls_net_context *ctx )
+{
+    ctx->fd = -1;
+}
+
+/*
+ * Initiate a TCP connection with host:port and the given protocol
+ */
+int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host,
+                         const char *port, int proto )
+{
+    int ret;
+    struct addrinfo hints, *addr_list, *cur;
+
+    if( ( ret = net_prepare() ) != 0 )
+        return( ret );
+
+    /* Do name resolution with both IPv6 and IPv4 */
+    memset( &hints, 0, sizeof( hints ) );
+    hints.ai_family = AF_UNSPEC;
+    hints.ai_socktype = proto == MBEDTLS_NET_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM;
+    hints.ai_protocol = proto == MBEDTLS_NET_PROTO_UDP ? IPPROTO_UDP : IPPROTO_TCP;
+
+    if( getaddrinfo( host, port, &hints, &addr_list ) != 0 )
+        return( MBEDTLS_ERR_NET_UNKNOWN_HOST );
+
+    /* Try the sockaddrs until a connection succeeds */
+    ret = MBEDTLS_ERR_NET_UNKNOWN_HOST;
+    for( cur = addr_list; cur != NULL; cur = cur->ai_next )
+    {
+        ctx->fd = (int) socket( cur->ai_family, cur->ai_socktype,
+                            cur->ai_protocol );
+        if( ctx->fd < 0 )
+        {
+            ret = MBEDTLS_ERR_NET_SOCKET_FAILED;
+            continue;
+        }
+
+        if( connect( ctx->fd, cur->ai_addr, (int) cur->ai_addrlen ) == 0 )
+        {
+            ret = 0;
+            break;
+        }
+
+        closesocket( ctx->fd );
+        ret = MBEDTLS_ERR_NET_CONNECT_FAILED;
+    }
+
+    freeaddrinfo( addr_list );
+
+    return( ret );
+}
+
+/**************************/
+
+/*
+ * Read at most 'len' characters
+ */
+int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len )
+{
+    int ret;
+    int fd = ((mbedtls_net_context *) ctx)->fd;
+
+    if( fd < 0 )
+        return( MBEDTLS_ERR_NET_INVALID_CONTEXT );
+
+    ret = (int) recv( fd, (char*)( buf ), (int)( len ), 0 );
+
+    if( ret < 0 )
+    {
+        /*if( net_would_block( ctx ) != 0 )
+            return( MBEDTLS_ERR_SSL_WANT_READ );
+
+
+        if( errno == EPIPE || errno == ECONNRESET )
+            return( MBEDTLS_ERR_NET_CONN_RESET );
+
+        if( errno == EINTR )
+            return( MBEDTLS_ERR_SSL_WANT_READ );
+            */
+
+        return( MBEDTLS_ERR_NET_RECV_FAILED );
+    }
+
+    return( ret );
+}
+
+/*******/
+
+/*
+ * Write at most 'len' characters
+ */
+int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len )
+{
+    int ret;
+    int fd = ((mbedtls_net_context *) ctx)->fd;
+
+    if( fd < 0 )
+        return( MBEDTLS_ERR_NET_INVALID_CONTEXT );
+
+    ret = (int) send( fd, (char*)( buf ), (int)( len ), 0 );
+
+    if( ret < 0 )
+    {
+        /*if( net_would_block( ctx ) != 0 )
+            return( MBEDTLS_ERR_SSL_WANT_WRITE );
+
+
+        if( errno == EPIPE || errno == ECONNRESET )
+            return( MBEDTLS_ERR_NET_CONN_RESET );
+
+        if( errno == EINTR )
+            return( MBEDTLS_ERR_SSL_WANT_WRITE );
+            */
+
+        return( MBEDTLS_ERR_NET_SEND_FAILED );
+    }
+
+    return( ret );
+}
+
+/*
+ * Gracefully close the connection
+ */
+void mbedtls_net_free( mbedtls_net_context *ctx )
+{
+    if( ctx->fd == -1 )
+        return;
+
+    //shutdown( ctx->fd, 2 );
+    closesocket( ctx->fd );
+
+    ctx->fd = -1;
+}
+
+#endif /* MBEDTLS_NET_C */