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Merge pull request #6664 from joakim-strandberg/ada_windows_support

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Ada windows support
This commit is contained in:
JacobBarthelmeh
2023-08-03 14:40:34 -06:00
committed by GitHub
parent 0c39b8074e 8794e3f2f6
commit a60810cebe
9 changed files with 53 additions and 675 deletions
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21
wrapper/Ada/README.md
View File

@ -29,6 +29,7 @@ formal verification). To formally verify the Ada code in this repository
open the client.gpr with GNAT Studio and then select
SPARK -> Prove All Sources and use Proof Level 2.
```
Summary of SPARK analysis
=========================
@ -47,6 +48,7 @@ Termination . . .
Concurrency . . . . . .
---------------------------------------------------------------------------------------------------------------
Total 172 17 (10%) . 155 (90%) . .
```
## Compiler and Build System installation
@ -73,6 +75,13 @@ cd obj/
./tls_client_main 127.0.0.1
```
On Windows, build the executables with:
```sh
gprbuild -XOS=Windows default.gpr
gprbuild -XOS=Windows client.gpr
```
### GNAT FSF Compiler and GPRBuild manual installation
In May 2022 AdaCore announced the end of the GNAT Community releases.
Pre-built binaries for the GNAT FSF compiler and GPRBuild can be
@ -82,18 +91,14 @@ Make sure the executables for the compiler and GPRBuild are on the PATH
and use gprbuild to build the source code.
## Files
The file c_tls_client_main.c and c_tls_server_main.c are the TLS v1.3
server and client examples using the WolfSSL library implemented using
the C programming language.
The translation of the C client example into the Ada/SPARK programming
language can be found in the files:
The TLS v1.3 client example in the Ada/SPARK programming language
using the WolfSSL library can be found in the files:
tls_client_main.adb
tls_client.ads
tls_client.adb
The translation of the C server example into the Ada/SPARK programming
language can be found in the files:
The TLS v1.3 server example in the Ada/SPARK programming language
using the WolfSSL library can be found in the files:
tls_server_main.adb
tls_server.ads
tls_server.adb

285
wrapper/Ada/c_tls_client_main.c
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@ -1,285 +0,0 @@
/* c_tls_client_main.c
*
* Copyright (C) 2006-2023 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL 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.
*
* wolfSSL 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
*/
#include <wolfssl/wolfcrypt/settings.h>
/* the usual suspects */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* socket includes */
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <unistd.h>
/* wolfSSL */
#ifndef WOLFSSL_USER_SETTINGS
#include <wolfssl/options.h>
#endif
#include <wolfssl/ssl.h>
#include <wolfssl/wolfio.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#define DEFAULT_PORT 11111
#define CERT_FILE "../certs/client-cert.pem"
#define KEY_FILE "../certs/client-key.pem"
#define CA_FILE "../certs/ca-cert.pem"
#if defined(WOLFSSL_TLS13) && defined(HAVE_SECRET_CALLBACK)
#ifndef WOLFSSL_SSLKEYLOGFILE_OUTPUT
#define WOLFSSL_SSLKEYLOGFILE_OUTPUT "sslkeylog.log"
#endif
/* Callback function for TLS v1.3 secrets for use with Wireshark */
static int Tls13SecretCallback(WOLFSSL* ssl, int id, const unsigned char* secret,
int secretSz, void* ctx)
{
int i;
const char* str = NULL;
unsigned char clientRandom[32];
int clientRandomSz;
XFILE fp = stderr;
if (ctx) {
fp = XFOPEN((const char*)ctx, "ab");
if (fp == XBADFILE) {
return BAD_FUNC_ARG;
}
}
clientRandomSz = (int)wolfSSL_get_client_random(ssl, clientRandom,
sizeof(clientRandom));
if (clientRandomSz <= 0) {
printf("Error getting client random %d\n", clientRandomSz);
}
#if 0
printf("TLS Client Secret CB: Rand %d, Secret %d\n",
clientRandomSz, secretSz);
#endif
switch (id) {
case CLIENT_EARLY_TRAFFIC_SECRET:
str = "CLIENT_EARLY_TRAFFIC_SECRET"; break;
case EARLY_EXPORTER_SECRET:
str = "EARLY_EXPORTER_SECRET"; break;
case CLIENT_HANDSHAKE_TRAFFIC_SECRET:
str = "CLIENT_HANDSHAKE_TRAFFIC_SECRET"; break;
case SERVER_HANDSHAKE_TRAFFIC_SECRET:
str = "SERVER_HANDSHAKE_TRAFFIC_SECRET"; break;
case CLIENT_TRAFFIC_SECRET:
str = "CLIENT_TRAFFIC_SECRET_0"; break;
case SERVER_TRAFFIC_SECRET:
str = "SERVER_TRAFFIC_SECRET_0"; break;
case EXPORTER_SECRET:
str = "EXPORTER_SECRET"; break;
}
fprintf(fp, "%s ", str);
for (i = 0; i < clientRandomSz; i++) {
fprintf(fp, "%02x", clientRandom[i]);
}
fprintf(fp, " ");
for (i = 0; i < secretSz; i++) {
fprintf(fp, "%02x", secret[i]);
}
fprintf(fp, "\n");
if (fp != stderr) {
XFCLOSE(fp);
}
return 0;
}
#endif /* WOLFSSL_TLS13 && HAVE_SECRET_CALLBACK */
int main(int argc, char** argv)
{
int ret = 0;
#ifdef WOLFSSL_TLS13
int sockfd = SOCKET_INVALID;
struct sockaddr_in servAddr;
char buff[256];
size_t len;
/* declare wolfSSL objects */
WOLFSSL_CTX* ctx = NULL;
WOLFSSL* ssl = NULL;
/* Check for proper calling convention */
if (argc != 2) {
printf("usage: %s <IPv4 address>\n", argv[0]);
return 0;
}
/* Create a socket that uses an internet IPv4 address,
* Sets the socket to be stream based (TCP),
* 0 means choose the default protocol. */
if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
fprintf(stderr, "ERROR: failed to create the socket\n");
ret = -1; goto exit;
}
/* Initialize the server address struct with zeros */
memset(&servAddr, 0, sizeof(servAddr));
/* Fill in the server address */
servAddr.sin_family = AF_INET; /* using IPv4 */
servAddr.sin_port = htons(DEFAULT_PORT); /* on DEFAULT_PORT */
/* Get the server IPv4 address from the command line call */
if (inet_pton(AF_INET, argv[1], &servAddr.sin_addr) != 1) {
fprintf(stderr, "ERROR: invalid address\n");
ret = -1; goto exit;
}
/* Connect to the server */
if ((ret = connect(sockfd, (struct sockaddr*) &servAddr, sizeof(servAddr)))
== -1) {
fprintf(stderr, "ERROR: failed to connect\n");
goto exit;
}
/*---------------------------------*/
/* Start of wolfSSL initialization and configuration */
/*---------------------------------*/
#if 0
wolfSSL_Debugging_ON();
#endif
/* Initialize wolfSSL */
if ((ret = wolfSSL_Init()) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: Failed to initialize the library\n");
goto exit;
}
/* Create and initialize WOLFSSL_CTX */
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_3_client_method())) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
ret = -1; goto exit;
}
/* Load client certificate into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE);
goto exit;
}
/* Load client key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE, WOLFSSL_FILETYPE_PEM))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE);
goto exit;
}
/* Load CA certificate into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CA_FILE);
goto exit;
}
/* Create a WOLFSSL object */
if ((ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL object\n");
ret = -1; goto exit;
}
/* Attach wolfSSL to the socket */
if ((ret = wolfSSL_set_fd(ssl, sockfd)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: Failed to set the file descriptor\n");
goto exit;
}
#ifdef HAVE_SECRET_CALLBACK
/* required for getting random used */
wolfSSL_KeepArrays(ssl);
/* optional logging for wireshark */
wolfSSL_set_tls13_secret_cb(ssl, Tls13SecretCallback,
(void*)WOLFSSL_SSLKEYLOGFILE_OUTPUT);
#endif
/* Connect to wolfSSL on the server side */
if ((ret = wolfSSL_connect(ssl)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to connect to wolfSSL\n");
goto exit;
}
#ifdef HAVE_SECRET_CALLBACK
wolfSSL_FreeArrays(ssl);
#endif
/* Get a message for the server from stdin */
printf("Message for server: ");
memset(buff, 0, sizeof(buff));
if (fgets(buff, sizeof(buff), stdin) == NULL) {
fprintf(stderr, "ERROR: failed to get message for server\n");
ret = -1; goto exit;
}
len = strnlen(buff, sizeof(buff));
/* Send the message to the server */
if ((ret = wolfSSL_write(ssl, buff, len)) != (int)len) {
fprintf(stderr, "ERROR: failed to write entire message\n");
fprintf(stderr, "%d bytes of %d bytes were sent", ret, (int) len);
goto exit;
}
/* Read the server data into our buff array */
memset(buff, 0, sizeof(buff));
if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) < 0) {
fprintf(stderr, "ERROR: failed to read\n");
goto exit;
}
/* Print to stdout any data the server sends */
printf("Server: %s\n", buff);
/* Return reporting a success */
ret = 0;
exit:
/* Cleanup and return */
if (sockfd != SOCKET_INVALID)
close(sockfd); /* Close the connection to the server */
if (ssl)
wolfSSL_free(ssl); /* Free the wolfSSL object */
if (ctx)
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
#else
printf("Example requires TLS v1.3\n");
#endif
(void)argc;
(void)argv;
return ret;
}

361
wrapper/Ada/c_tls_server_main.c
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@ -1,361 +0,0 @@
/* c_tls_server_main.c
*
* Copyright (C) 2006-2023 wolfSSL Inc.
*
* This file is part of wolfSSL. (formerly known as CyaSSL)
*
* wolfSSL 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.
*
* wolfSSL 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
*/
#include <wolfssl/wolfcrypt/settings.h>
/* the usual suspects */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/* socket includes */
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <unistd.h>
#define HAVE_SIGNAL
#ifdef HAVE_SIGNAL
#include <signal.h> /* signal */
#endif
/* wolfSSL */
#ifndef WOLFSSL_USER_SETTINGS
#include <wolfssl/options.h>
#endif
#include <wolfssl/ssl.h>
#include <wolfssl/wolfio.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#define DEFAULT_PORT 11111
#define CERT_FILE "../certs/server-cert.pem"
#define KEY_FILE "../certs/server-key.pem"
#define CA_FILE "../certs/client-cert.pem"
#if defined(WOLFSSL_TLS13) && defined(HAVE_SECRET_CALLBACK)
#ifndef WOLFSSL_SSLKEYLOGFILE_OUTPUT
#define WOLFSSL_SSLKEYLOGFILE_OUTPUT "sslkeylog.log"
#endif
/* Callback function for TLS v1.3 secrets for use with Wireshark */
static int Tls13SecretCallback(WOLFSSL* ssl, int id, const unsigned char* secret,
int secretSz, void* ctx)
{
int i;
const char* str = NULL;
unsigned char serverRandom[32];
int serverRandomSz;
XFILE fp = stderr;
if (ctx) {
fp = XFOPEN((const char*)ctx, "ab");
if (fp == XBADFILE) {
return BAD_FUNC_ARG;
}
}
serverRandomSz = (int)wolfSSL_get_server_random(ssl, serverRandom,
sizeof(serverRandom));
if (serverRandomSz <= 0) {
printf("Error getting server random %d\n", serverRandomSz);
}
#if 0
printf("TLS Server Secret CB: Rand %d, Secret %d\n",
serverRandomSz, secretSz);
#endif
switch (id) {
case CLIENT_EARLY_TRAFFIC_SECRET:
str = "CLIENT_EARLY_TRAFFIC_SECRET"; break;
case EARLY_EXPORTER_SECRET:
str = "EARLY_EXPORTER_SECRET"; break;
case CLIENT_HANDSHAKE_TRAFFIC_SECRET:
str = "CLIENT_HANDSHAKE_TRAFFIC_SECRET"; break;
case SERVER_HANDSHAKE_TRAFFIC_SECRET:
str = "SERVER_HANDSHAKE_TRAFFIC_SECRET"; break;
case CLIENT_TRAFFIC_SECRET:
str = "CLIENT_TRAFFIC_SECRET_0"; break;
case SERVER_TRAFFIC_SECRET:
str = "SERVER_TRAFFIC_SECRET_0"; break;
case EXPORTER_SECRET:
str = "EXPORTER_SECRET"; break;
}
fprintf(fp, "%s ", str);
for (i = 0; i < (int)serverRandomSz; i++) {
fprintf(fp, "%02x", serverRandom[i]);
}
fprintf(fp, " ");
for (i = 0; i < secretSz; i++) {
fprintf(fp, "%02x", secret[i]);
}
fprintf(fp, "\n");
if (fp != stderr) {
XFCLOSE(fp);
}
return 0;
}
#endif /* WOLFSSL_TLS13 && HAVE_SECRET_CALLBACK */
static int mSockfd = SOCKET_INVALID;
static int mConnd = SOCKET_INVALID;
static int mShutdown = 0;
#ifdef HAVE_SIGNAL
static void sig_handler(const int sig)
{
fprintf(stderr, "SIGINT handled = %d.\n", sig);
mShutdown = 1;
if (mConnd != SOCKET_INVALID) {
close(mConnd); /* Close the connection to the client */
mConnd = SOCKET_INVALID;
}
if (mSockfd != SOCKET_INVALID) {
close(mSockfd); /* Close the socket listening for clients */
mSockfd = SOCKET_INVALID;
}
}
#endif
/* To execute the application: ./main */
int main(int argc, char** argv)
{
int ret = 0;
#ifdef WOLFSSL_TLS13
struct sockaddr_in servAddr;
struct sockaddr_in clientAddr;
socklen_t size = sizeof(clientAddr);
char buff[256];
size_t len;
const char* reply = "I hear ya fa shizzle!\n";
int on;
/* declare wolfSSL objects */
WOLFSSL_CTX* ctx = NULL;
WOLFSSL* ssl = NULL;
#ifdef HAVE_SIGNAL
signal(SIGINT, sig_handler);
#endif
/* Initialize the server address struct with zeros */
memset(&servAddr, 0, sizeof(servAddr));
/* Fill in the server address */
servAddr.sin_family = AF_INET; /* using IPv4 */
servAddr.sin_port = htons(DEFAULT_PORT); /* on DEFAULT_PORT */
servAddr.sin_addr.s_addr = INADDR_ANY; /* from anywhere */
/* Create a socket that uses an internet IPv4 address,
* Sets the socket to be stream based (TCP),
* 0 means choose the default protocol. */
if ((mSockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
fprintf(stderr, "ERROR: failed to create the socket\n");
goto exit;
}
/* make sure server is setup for reuse addr/port */
on = 1;
setsockopt(mSockfd, SOL_SOCKET, SO_REUSEADDR,
(char*)&on, (socklen_t)sizeof(on));
#ifdef SO_REUSEPORT
setsockopt(mSockfd, SOL_SOCKET, SO_REUSEPORT,
(char*)&on, (socklen_t)sizeof(on));
#endif
/* Bind the server socket to our port */
if (bind(mSockfd, (struct sockaddr*)&servAddr, sizeof(servAddr)) == -1) {
fprintf(stderr, "ERROR: failed to bind\n");
goto exit;
}
/* Listen for a new connection, allow 5 pending connections */
if (listen(mSockfd, 5) == -1) {
fprintf(stderr, "ERROR: failed to listen\n");
goto exit;
}
/*---------------------------------*/
/* Start of wolfSSL initialization and configuration */
/*---------------------------------*/
#if 0
wolfSSL_Debugging_ON();
#endif
/* Initialize wolfSSL */
if ((ret = wolfSSL_Init()) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: Failed to initialize the library\n");
goto exit;
}
/* Create and initialize WOLFSSL_CTX */
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_3_server_method())) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
ret = -1;
goto exit;
}
/* Require mutual authentication */
wolfSSL_CTX_set_verify(ctx,
WOLFSSL_VERIFY_PEER | WOLFSSL_VERIFY_FAIL_IF_NO_PEER_CERT, NULL);
/* Load server certificates into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE,
WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CERT_FILE);
goto exit;
}
/* Load server key into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_use_PrivateKey_file(ctx, KEY_FILE,
WOLFSSL_FILETYPE_PEM)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
KEY_FILE);
goto exit;
}
/* Load client certificate as "trusted" into WOLFSSL_CTX */
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_FILE, NULL))
!= WOLFSSL_SUCCESS) {
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
CA_FILE);
goto exit;
}
/* Continue to accept clients until mShutdown is issued */
while (!mShutdown) {
printf("Waiting for a connection...\n");
/* Accept client connections */
if ((mConnd = accept(mSockfd, (struct sockaddr*)&clientAddr, &size))
== -1) {
fprintf(stderr, "ERROR: failed to accept the connection\n\n");
ret = -1; goto exit;
}
/* Create a WOLFSSL object */
if ((ssl = wolfSSL_new(ctx)) == NULL) {
fprintf(stderr, "ERROR: failed to create WOLFSSL object\n");
ret = -1; goto exit;
}
/* Attach wolfSSL to the socket */
wolfSSL_set_fd(ssl, mConnd);
#ifdef HAVE_SECRET_CALLBACK
/* required for getting random used */
wolfSSL_KeepArrays(ssl);
/* optional logging for wireshark */
wolfSSL_set_tls13_secret_cb(ssl, Tls13SecretCallback,
(void*)WOLFSSL_SSLKEYLOGFILE_OUTPUT);
#endif
/* Establish TLS connection */
if ((ret = wolfSSL_accept(ssl)) != WOLFSSL_SUCCESS) {
fprintf(stderr, "wolfSSL_accept error = %d\n",
wolfSSL_get_error(ssl, ret));
goto exit;
}
printf("Client connected successfully\n");
#ifdef HAVE_SECRET_CALLBACK
wolfSSL_FreeArrays(ssl);
#endif
/* Read the client data into our buff array */
memset(buff, 0, sizeof(buff));
if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) < 0) {
fprintf(stderr, "ERROR: failed to read\n");
goto exit;
}
/* Print to stdout any data the client sends */
printf("Client: %s\n", buff);
/* Check for server shutdown command */
if (strncmp(buff, "shutdown", 8) == 0) {
printf("Shutdown command issued!\n");
mShutdown = 1;
}
/* Write our reply into buff */
memset(buff, 0, sizeof(buff));
memcpy(buff, reply, strlen(reply));
len = strnlen(buff, sizeof(buff));
/* Reply back to the client */
if ((ret = wolfSSL_write(ssl, buff, len)) != (int)len) {
fprintf(stderr, "ERROR: failed to write\n");
goto exit;
}
/* Cleanup after this connection */
wolfSSL_shutdown(ssl);
if (ssl) {
wolfSSL_free(ssl); /* Free the wolfSSL object */
ssl = NULL;
}
if (mConnd != SOCKET_INVALID) {
close(mConnd); /* Close the connection to the client */
mConnd = SOCKET_INVALID;
}
}
printf("Shutdown complete\n");
exit:
/* Cleanup and return */
if (ssl)
wolfSSL_free(ssl); /* Free the wolfSSL object */
if (mConnd != SOCKET_INVALID) {
close(mConnd); /* Close the connection to the client */
mConnd = SOCKET_INVALID;
}
if (mSockfd != SOCKET_INVALID) {
close(mSockfd); /* Close the socket listening for clients */
mSockfd = SOCKET_INVALID;
}
if (ctx)
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
#else
printf("Example requires TLS v1.3\n");
#endif /* WOLFSSL_TLS13 */
(void)argc;
(void)argv;
return ret;
}

17
wrapper/Ada/client.gpr
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@ -1,4 +1,8 @@
project Client is
type OS_Kind is ("Windows", "Linux_Or_Mac");
OS : OS_Kind := external ("OS", "Linux_Or_Mac");
for Languages use ("C", "Ada");
for Source_Dirs use (".",
@ -55,11 +59,16 @@ project Client is
end Compiler;
package Linker is
for Switches ("C") use
("-lm"); -- To include the math library (used by WolfSSL).
case OS is
when "Windows" =>
for Switches ("Ada") use
("-lm", -- To include the math library (used by WolfSSL).
"-lcrypt32"); -- Needed on Windows.
for Switches ("Ada") use
("-lm"); -- To include the math library (used by WolfSSL).
when "Linux_Or_Mac" =>
for Switches ("Ada") use
("-lm"); -- To include the math library (used by WolfSSL).
end case;
end Linker;
package Binder is

22
wrapper/Ada/default.gpr
View File

@ -1,4 +1,9 @@
project Default is
type OS_Kind is ("Windows", "Linux_Or_Mac");
OS : OS_Kind := external ("OS", "Linux_Or_Mac");
for Languages use ("C", "Ada");
for Source_Dirs use (".",
@ -15,9 +20,7 @@ project Default is
for Object_Dir use "obj";
for Main use ("c_tls_client_main.c",
"c_tls_server_main.c",
"tls_server_main.adb");
for Main use ("tls_server_main.adb");
package Naming is
for Spec_Suffix ("C") use ".h";
@ -68,11 +71,16 @@ project Default is
end Compiler;
package Linker is
for Switches ("C") use
("-lm"); -- To include the math library (used by WolfSSL).
case OS is
when "Windows" =>
for Switches ("Ada") use
("-lm", -- To include the math library (used by WolfSSL).
"-lcrypt32"); -- Needed on Windows.
for Switches ("Ada") use
("-lm"); -- To include the math library (used by WolfSSL).
when "Linux_Or_Mac" =>
for Switches ("Ada") use
("-lm"); -- To include the math library (used by WolfSSL).
end case;
end Linker;
package Binder is

2
wrapper/Ada/include.am
View File

@ -6,8 +6,6 @@ EXTRA_DIST+= wrapper/Ada/README.md
EXTRA_DIST+= wrapper/Ada/default.gpr
EXTRA_DIST+= wrapper/Ada/gnat.adc
EXTRA_DIST+= wrapper/Ada/ada_binding.c
EXTRA_DIST+= wrapper/Ada/c_tls_client_main.c
EXTRA_DIST+= wrapper/Ada/c_tls_server_main.c
EXTRA_DIST+= wrapper/Ada/tls_client_main.adb
EXTRA_DIST+= wrapper/Ada/tls_client.adb
EXTRA_DIST+= wrapper/Ada/tls_client.ads

6
wrapper/Ada/tls_client.adb
View File

@ -101,9 +101,9 @@ package body Tls_Client with SPARK_Mode is
Any_Inet_Addr : Inet_Addr_Type renames SPARK_Sockets.Any_Inet_Addr;
CERT_FILE : constant String := "../certs/client-cert.pem";
KEY_FILE : constant String := "../certs/client-key.pem";
CA_FILE : constant String := "../certs/ca-cert.pem";
CERT_FILE : constant String := "../../../certs/client-cert.pem";
KEY_FILE : constant String := "../../../certs/client-key.pem";
CA_FILE : constant String := "../../../certs/ca-cert.pem";
subtype Byte_Array is WolfSSL.Byte_Array;

12
wrapper/Ada/tls_server.adb
View File

@ -87,9 +87,9 @@ package body Tls_Server with SPARK_Mode is
Any_Inet_Addr : Inet_Addr_Type renames SPARK_Sockets.Any_Inet_Addr;
CERT_FILE : constant String := "../certs/server-cert.pem";
KEY_FILE : constant String := "../certs/server-key.pem";
CA_FILE : constant String := "../certs/client-cert.pem";
CERT_FILE : constant String := "../../../certs/server-cert.pem";
KEY_FILE : constant String := "../../../certs/server-key.pem";
CA_FILE : constant String := "../../../certs/client-cert.pem";
subtype Byte_Array is WolfSSL.Byte_Array;
@ -305,7 +305,11 @@ package body Tls_Server with SPARK_Mode is
Put_Line ("ERROR: failed to write full response.");
end if;
Result := WolfSSL.Shutdown (Ssl);
for I in 1 .. 3 loop
Result := WolfSSL.Shutdown (Ssl);
exit when Result = Success;
delay 0.001; -- Delay is expressed in seconds.
end loop;
if Result /= Success then
Put_Line ("ERROR: Failed to shutdown WolfSSL context.");
end if;

2
wrapper/Ada/user_settings.h
View File

@ -42,7 +42,7 @@ extern "C" {
#define WOLFSSL_IGNORE_FILE_WARN /* Ignore *.c include warnings */
#define WOLFSSL_PUBLIC_MP /* Make math API's public */
#define WOLFSSL_ENCRYPTED_KEYS /* Support for encrypted keys PKCS8 */
#define WOLFSSL_SYS_CA_CERTS /* Enable ability to load CA certs from OS */
//#define WOLFSSL_SYS_CA_CERTS /* Enable ability to load CA certs from OS */
#if 0 /* Not needed */
#define KEEP_PEER_CERT /* Retain peer's certificate */