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Add simple SCTP example tools

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This commit is contained in:
John Safranek 2016-08-18 17:02:54 -07:00
parent ebbf5ec72b
commit b7a35eabd2
8 changed files with 399 additions and 0 deletions
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4
.gitignore vendored
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@ -51,6 +51,10 @@ examples/client/client
examples/echoclient/echoclient
examples/echoserver/echoserver
examples/server/server
examples/sctp/sctp-server
examples/sctp/sctp-server-dtls
examples/sctp/sctp-client
examples/sctp/sctp-client-dtls
server_ready
snifftest
output

2
configure.ac
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@ -227,6 +227,8 @@ AC_ARG_ENABLE([sctp],
[ENABLED_SCTP=$enableval],
[ENABLED_SCTP=no])
AM_CONDITIONAL([BUILD_SCTP], [test "x$ENABLED_SCTP" = "xyes"])
# OpenSSH compatibility Build
AC_ARG_ENABLE([openssh],

1
examples/include.am
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@ -5,3 +5,4 @@ include examples/client/include.am
include examples/echoclient/include.am
include examples/echoserver/include.am
include examples/server/include.am
include examples/sctp/include.am

38
examples/sctp/include.am Normal file
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@ -0,0 +1,38 @@
# vim:ft=automake
# included from Top Level Makefile.am
# All paths should be given relative to the root
if BUILD_SCTP
if BUILD_EXAMPLE_SERVERS
noinst_PROGRAMS += \
examples/sctp/sctp-server \
examples/sctp/sctp-server-dtls
examples_sctp_sctp_server_SOURCES = examples/sctp/sctp-server.c
examples_sctp_sctp_server_LDADD = $(LIB_STATIC_ADD)
examples_sctp_sctp_server_dtls_SOURCES = examples/sctp/sctp-server-dtls.c
examples_sctp_sctp_server_dtls_LDADD = src/libwolfssl.la $(LIB_STATIC_ADD)
examples_sctp_sctp_server_dtls_DEPENDENCIES = src/libwolfssl.la
endif
if BUILD_EXAMPLE_CLIENTS
noinst_PROGRAMS += \
examples/sctp/sctp-client \
examples/sctp/sctp-client-dtls
examples_sctp_sctp_client_SOURCES = examples/sctp/sctp-client.c
examples_sctp_sctp_client_LDADD = $(LIB_STATIC_ADD)
examples_sctp_sctp_client_dtls_SOURCES = examples/sctp/sctp-client-dtls.c
examples_sctp_sctp_client_dtls_LDADD = src/libwolfssl.la $(LIB_STATIC_ADD)
examples_sctp_sctp_client_dtls_DEPENDENCIES = src/libwolfssl.la
endif
endif
dist_example_DATA += \
examples/sctp/sctp-server.c \
examples/sctp/sctp-server-dtls.c \
examples/sctp/sctp-client.c \
examples/sctp/sctp-client-dtls.c
DISTCLEANFILES += \
examples/sctp/.libs/sctp-server \
examples/sctp/.libs/sctp-server-dtls \
examples/sctp/.libs/sctp-client \
examples/sctp/.libs/sctp-client-dtls

105
examples/sctp/sctp-client-dtls.c Normal file
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@ -0,0 +1,105 @@
/* sctp-client-dtls.c
*
* Copyright (C) 2006-2016 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* 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 02110-1335, USA
*/
/* sctp */
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
/* std */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* wolfssl */
#include <wolfssl/options.h>
#include <wolfssl/ssl.h>
#define cacert "./certs/ca-cert.pem"
static int err_sys(const char* msg)
{
perror(msg);
exit(EXIT_FAILURE);
}
int main()
{
int sd = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
if (sd < 0)
err_sys("sctp socket error");
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr("127.0.0.1");
sa.sin_port = htons(12345);
int ret = connect(sd, (struct sockaddr*)&sa, sizeof(sa));
if (ret < 0)
err_sys("sctp connect error");
const char* response = "hello there";
char buffer[80];
WOLFSSL_CTX* ctx = wolfSSL_CTX_new(wolfDTLSv1_2_client_method());
if (ctx == NULL)
err_sys("ctx new dtls client failed");
ret = wolfSSL_CTX_load_verify_locations(ctx, cacert, NULL);
if (ret != SSL_SUCCESS)
err_sys("ca cert error");
WOLFSSL* ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("ssl new dtls client failed");
wolfSSL_set_fd(ssl, sd);
ret = wolfSSL_connect(ssl);
if (ret != SSL_SUCCESS)
err_sys("ssl connect failed");
printf("TLS version is %s\n", wolfSSL_get_version(ssl));
printf("Cipher Suite is %s\n",
wolfSSL_CIPHER_get_name(wolfSSL_get_current_cipher(ssl)));
wolfSSL_write(ssl, response, strlen(response));
int got = wolfSSL_read(ssl, buffer, sizeof(buffer));
if (got > 0) {
buffer[got] = 0;
printf("server said: %s\n", buffer);
}
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
close(sd);
return 0;
}

64
examples/sctp/sctp-client.c Normal file
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@ -0,0 +1,64 @@
/* sctp-client.c
*
* Copyright (C) 2006-2016 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* 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 02110-1335, USA
*/
/* sctp */
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netinet/in.h>
/* std */
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main()
{
int sd = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
if (sd < 0)
perror("sctp socket error");
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = inet_addr("127.0.0.1");
sa.sin_port = htons(12345);
int ret = connect(sd, (struct sockaddr*)&sa, sizeof(sa));
if (ret < 0)
perror("sctp connect error");
const char* msg = "hello sctp";
char buffer[80];
send(sd, msg, strlen(msg), 0);
int got = recv(sd, buffer, sizeof(buffer), 0);
if (got > 0) {
buffer[got] = 0;
printf("server said: %s\n", buffer);
}
close(sd);
return 0;
}

115
examples/sctp/sctp-server-dtls.c Normal file
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@ -0,0 +1,115 @@
/* sctp-server-dtls.c
*
* Copyright (C) 2006-2016 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* 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 02110-1335, USA
*/
/* sctp */
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
/* std */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* wolfssl */
#include <wolfssl/options.h>
#include <wolfssl/ssl.h>
#define key "./certs/server-key.pem"
#define cert "./certs/server-cert.pem"
static int err_sys(const char* msg)
{
perror(msg);
exit(EXIT_FAILURE);
}
int main()
{
int sd = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
if (sd < 0)
err_sys("sctp socket error");
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = htonl(INADDR_ANY);
sa.sin_port = htons(12345);
int ret = bind(sd, (struct sockaddr*)&sa, sizeof(sa));
if (ret < 0)
err_sys("sctp bind error");
listen(sd, 3);
int client_sd = accept(sd, NULL, NULL);
if (client_sd < 0)
err_sys("sctp accept error");
const char* response = "well hello to you";
char buffer[80];
WOLFSSL_CTX* ctx = wolfSSL_CTX_new(wolfDTLSv1_2_server_method());
if (ctx == NULL)
err_sys("ctx new dtls server failed");
ret = wolfSSL_CTX_use_PrivateKey_file(ctx, key, SSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS)
err_sys("use private key error");
ret = wolfSSL_CTX_use_certificate_file(ctx, cert, SSL_FILETYPE_PEM);
if (ret != SSL_SUCCESS)
err_sys("use cert error");
WOLFSSL* ssl = wolfSSL_new(ctx);
if (ssl == NULL)
err_sys("ssl new dtls server failed");
wolfSSL_set_fd(ssl, client_sd);
ret = wolfSSL_accept(ssl);
if (ret != SSL_SUCCESS)
err_sys("ssl accept failed");
printf("TLS version is %s\n", wolfSSL_get_version(ssl));
printf("Cipher Suite is %s\n",
wolfSSL_CIPHER_get_name(wolfSSL_get_current_cipher(ssl)));
int got = wolfSSL_read(ssl, buffer, sizeof(buffer));
if (got > 0) {
buffer[got] = 0;
printf("client said: %s\n", buffer);
}
wolfSSL_write(ssl, response, strlen(response));
wolfSSL_shutdown(ssl);
wolfSSL_free(ssl);
wolfSSL_CTX_free(ctx);
close(sd);
return 0;
}

70
examples/sctp/sctp-server.c Normal file
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@ -0,0 +1,70 @@
/* sctp-server.c
*
* Copyright (C) 2006-2016 wolfSSL Inc.
*
* This file is part of wolfSSL.
*
* 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 02110-1335, USA
*/
/* sctp */
#include <sys/socket.h>
#include <sys/types.h>
#include <netinet/in.h>
/* std */
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int main()
{
int sd = socket(PF_INET, SOCK_STREAM, IPPROTO_SCTP);
if (sd < 0)
perror("sctp socket error");
struct sockaddr_in sa;
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = htonl(INADDR_ANY);
sa.sin_port = htons(12345);
int ret = bind(sd, (struct sockaddr*)&sa, sizeof(sa));
if (ret < 0)
perror("sctp bind error");
listen(sd, 3);
int client_sd = accept(sd, NULL, NULL);
if (client_sd < 0)
perror("sctp accept error");
const char* response = "hi there";
char buffer[80];
int got = recv(client_sd, buffer, sizeof(buffer), 0);
if (got > 0) {
buffer[got] = 0;
printf("client said: %s\n", buffer);
}
send(client_sd, response, strlen(response), 0);
close(sd);
return 0;
}