support peer auth options
Masaki I
parent
2f24e6dead
commit
a8e6304258
|
|
@ -60,6 +60,68 @@ You will be able to send a message from client to server.
|
|||
Sending "break" as a message to the server will break the session.
|
||||
If you use TLS 1.3 server, You can resume many times.
|
||||
|
||||
### Peer Authentication
|
||||
|
||||
#### Enable peer authentication
|
||||
|
||||
You can choose peer authentication mode using:
|
||||
|
||||
```sh
|
||||
./server-tls-peerauth -a <Peer auth mode>
|
||||
```
|
||||
|
||||
```sh
|
||||
./client-tls-peerauth -a <Peer auth mode>
|
||||
```
|
||||
|
||||
Peer auth mode:
|
||||
- NONE (Server default)
|
||||
- PEER (Client default)
|
||||
- FAIL_IF_NO_PEER_CERT
|
||||
- FAIL_EXCEPT_PSK
|
||||
|
||||
See below for details.
|
||||
https://www.wolfssl.com/documentation/manuals/wolfssl/group__Setup.html#function-wolfssl_set_verify
|
||||
|
||||
If you specify the mode, myVerify() will call and display information about the certificate.
|
||||
|
||||
#### Use special verify mode
|
||||
|
||||
You can choose verify mode using:
|
||||
|
||||
```sh
|
||||
./server-tls-peerauth -m <Verify mode>
|
||||
```
|
||||
|
||||
```sh
|
||||
./client-tls-peerauth -m <Verify mode>
|
||||
```
|
||||
|
||||
Verify mode:
|
||||
- OVERRIDE_ERROR
|
||||
- FORCE_FAIL
|
||||
- USE_PREVERIFY (default)
|
||||
- OVERRIDE_DATE_ERR
|
||||
|
||||
If you want to use default cert files for authentication testing in server-tls-peerauth.c, please specify OVERRIDE_ERROR option.
|
||||
|
||||
Because self-signed error occurs.
|
||||
|
||||
#### Specify options simultaneously
|
||||
|
||||
You can specify some options simultaneously.
|
||||
|
||||
Example:
|
||||
|
||||
```sh
|
||||
./server-tls-peerauth \
|
||||
-a <Peer auth mode> -m <Verify mode>
|
||||
```
|
||||
|
||||
```sh
|
||||
./client-tls-peerauth \
|
||||
-a <Peer auth mode> -m <Verify mode>
|
||||
```
|
||||
|
||||
## Cleaning Up
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,337 @@
|
|||
/* client-tls.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
|
||||
*/
|
||||
|
||||
/* 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 */
|
||||
#include <wolfssl/options.h>
|
||||
#include <wolfssl/ssl.h>
|
||||
|
||||
#define SERVER_IPV4_ADDRESS "127.0.0.1"
|
||||
#define DEFAULT_PORT 11111
|
||||
|
||||
#define CA_CERT_FILE "../certs/ca-cert.pem"
|
||||
#define CERT_FILE "../certs/client-cert.pem"
|
||||
#define KEY_FILE "../certs/client-key.pem"
|
||||
|
||||
#define CERT_BUFFER_SZ 2048
|
||||
|
||||
enum {
|
||||
VERIFY_OVERRIDE_ERROR,
|
||||
VERIFY_FORCE_FAIL,
|
||||
VERIFY_USE_PREVERIFY,
|
||||
VERIFY_DEFAULT,
|
||||
VERIFY_OVERRIDE_DATE_ERR
|
||||
};
|
||||
|
||||
static THREAD_LS_T int myVerifyAction = VERIFY_DEFAULT;
|
||||
|
||||
static WC_INLINE int myVerify(int preverify, WOLFSSL_X509_STORE_CTX* store)
|
||||
{
|
||||
char buffer[WOLFSSL_MAX_ERROR_SZ];
|
||||
WOLFSSL_X509* peer;
|
||||
char issuerBuffer[CERT_BUFFER_SZ];
|
||||
char subjectBuffer[CERT_BUFFER_SZ];
|
||||
|
||||
fprintf(stderr, "In verification callback, error = %d, %s\n", store->error,
|
||||
wolfSSL_ERR_error_string(store->error, buffer));
|
||||
peer = store->current_cert;
|
||||
if (peer) {
|
||||
wolfSSL_X509_NAME_oneline(
|
||||
wolfSSL_X509_get_issuer_name(peer), issuerBuffer, CERT_BUFFER_SZ);
|
||||
wolfSSL_X509_NAME_oneline(
|
||||
wolfSSL_X509_get_subject_name(peer), subjectBuffer, CERT_BUFFER_SZ);
|
||||
printf("\tPeer's cert info:\n issuer : %s\n subject: %s\n",
|
||||
issuerBuffer, subjectBuffer);
|
||||
}
|
||||
else
|
||||
fprintf(stderr, "\tPeer has no cert!\n");
|
||||
|
||||
printf("\tSubject's domain name at %d is %s\n",
|
||||
store->error_depth, store->domain);
|
||||
|
||||
switch (myVerifyAction) {
|
||||
case VERIFY_OVERRIDE_ERROR:
|
||||
return 1;
|
||||
|
||||
case VERIFY_FORCE_FAIL:
|
||||
return 0;
|
||||
|
||||
case VERIFY_DEFAULT:
|
||||
case VERIFY_USE_PREVERIFY:
|
||||
return preverify;
|
||||
|
||||
case VERIFY_OVERRIDE_DATE_ERR:
|
||||
if (store->error == ASN_BEFORE_DATE_E
|
||||
|| store->error == ASN_AFTER_DATE_E)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
fprintf(stderr, "Invalid verify action.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int switchPeerAuthMode(char *mode)
|
||||
{
|
||||
if (XSTRCMP("NONE", mode) == 0) {
|
||||
return SSL_VERIFY_NONE;
|
||||
}
|
||||
else if (XSTRCMP("PEER", mode) == 0) {
|
||||
return SSL_VERIFY_PEER;
|
||||
}
|
||||
else if (XSTRCMP("FAIL_IN_NO_PEER_CERT", mode) == 0) {
|
||||
return SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
|
||||
}
|
||||
else if (XSTRCMP("FAIL_EXCEPT_PSK", mode) == 0) {
|
||||
return SSL_VERIFY_FAIL_EXCEPT_PSK;
|
||||
}
|
||||
fprintf(stderr, "Invalid peer auth mode.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int switchMyVerifyAction(char *mode)
|
||||
{
|
||||
if (XSTRCMP("OVERRIDE_ERROR", mode) == 0) {
|
||||
return VERIFY_OVERRIDE_ERROR;
|
||||
}
|
||||
else if (XSTRCMP("FORCE_FAIL", mode) == 0) {
|
||||
return VERIFY_FORCE_FAIL;
|
||||
}
|
||||
else if (XSTRCMP("USE_PREVERIFY", mode) == 0) {
|
||||
return VERIFY_USE_PREVERIFY;
|
||||
}
|
||||
else if (XSTRCMP("OVERRIDE_DATE_ERR", mode) == 0) {
|
||||
return VERIFY_OVERRIDE_DATE_ERR;
|
||||
}
|
||||
fprintf(stderr, "Invalid verify action.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int main(int argc, char** argv)
|
||||
{
|
||||
int sockfd = SOCKET_INVALID;
|
||||
struct sockaddr_in servAddr;
|
||||
char buff[256];
|
||||
size_t len;
|
||||
int ret;
|
||||
int diff = 0;
|
||||
int peerAuthMode = WOLFSSL_VERIFY_DEFAULT;
|
||||
|
||||
/* declare wolfSSL objects */
|
||||
WOLFSSL_CTX* ctx = NULL;
|
||||
WOLFSSL* ssl = NULL;
|
||||
|
||||
/* Check options */
|
||||
if (argc >= 3) {
|
||||
if (XSTRCMP("-a", argv[1]) == 0) {
|
||||
peerAuthMode = switchPeerAuthMode(argv[2]);
|
||||
diff += 2;
|
||||
}
|
||||
if (XSTRCMP("-m", argv[1]) == 0) {
|
||||
myVerifyAction = switchMyVerifyAction(argv[2]);
|
||||
diff += 2;
|
||||
}
|
||||
}
|
||||
if (argc >= 5) {
|
||||
if (XSTRCMP("-a", argv[3]) == 0) {
|
||||
peerAuthMode = switchPeerAuthMode(argv[4]);
|
||||
diff += 2;
|
||||
}
|
||||
if (XSTRCMP("-m", argv[3]) == 0) {
|
||||
myVerifyAction = switchMyVerifyAction(argv[4]);
|
||||
diff += 2;
|
||||
}
|
||||
}
|
||||
|
||||
/* Set specify cert/key files */
|
||||
if (argc-diff != 1) {
|
||||
printf("usage:\n"
|
||||
"\t./client-tls-peerauth -a <Peer auth mode>\n"
|
||||
"\t./client-tls-peerauth -m <Verify mode>\n"
|
||||
"\t./client-tls-peerauth \\\n"
|
||||
"\t\t-a <Peer auth mode> -m <Verify mode>\n"
|
||||
"\n"
|
||||
"Peer auth mode:\n"
|
||||
"\tNONE, PEER,\n"
|
||||
"\tFAIL_IF_NO_PEER_CERT,\n"
|
||||
"\tFAIL_EXCEPT_PSK\n"
|
||||
"\n"
|
||||
"Verify mode:\n"
|
||||
"\tOVERRIDE_ERROR,\n"
|
||||
"\tFORCE_FAIL,\n"
|
||||
"\tUSE_PREVERIFY,\n"
|
||||
"\tOVERRIDE_DATE_ERR\n");
|
||||
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 define */
|
||||
if (inet_pton(AF_INET, SERVER_IPV4_ADDRESS, &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 */
|
||||
/*---------------------------------*/
|
||||
/* 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_2_client_method())) == NULL) {
|
||||
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
|
||||
ret = -1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* If peer auth is enabled, Load CA certificates into WOLFSSL_CTX */
|
||||
if (peerAuthMode != WOLFSSL_VERIFY_NONE) {
|
||||
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_CERT_FILE, NULL))
|
||||
!= SSL_SUCCESS) {
|
||||
fprintf(stderr, "ERROR: failed to load %s, "
|
||||
"please check the file.\n", CA_CERT_FILE);
|
||||
goto exit;
|
||||
}
|
||||
}
|
||||
|
||||
/* Set peer auth mode */
|
||||
if (peerAuthMode != WOLFSSL_VERIFY_DEFAULT) {
|
||||
wolfSSL_CTX_set_verify(ctx, peerAuthMode, myVerify);
|
||||
}
|
||||
|
||||
/* Load client certificates into WOLFSSL_CTX */
|
||||
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE,
|
||||
SSL_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, SSL_FILETYPE_PEM))
|
||||
!= WOLFSSL_SUCCESS) {
|
||||
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
|
||||
KEY_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;
|
||||
}
|
||||
|
||||
/* Connect to wolfSSL on the server side */
|
||||
if ((ret = wolfSSL_connect(ssl)) != SSL_SUCCESS) {
|
||||
fprintf(stderr, "ERROR: failed to connect to wolfSSL\n");
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* 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)) != 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)) == -1) {
|
||||
fprintf(stderr, "ERROR: failed to read\n");
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Print to stdout any data the server sends */
|
||||
printf("Server: %s\n", buff);
|
||||
|
||||
/* Bidirectional shutdown */
|
||||
while (wolfSSL_shutdown(ssl) == SSL_SHUTDOWN_NOT_DONE) {
|
||||
printf("Shutdown not complete\n");
|
||||
}
|
||||
|
||||
printf("Shutdown complete\n");
|
||||
|
||||
ret = 0;
|
||||
|
||||
exit:
|
||||
/* Cleanup and return */
|
||||
if (ssl)
|
||||
wolfSSL_free(ssl); /* Free the wolfSSL object */
|
||||
if (sockfd != SOCKET_INVALID)
|
||||
close(sockfd); /* Close the connection to the server */
|
||||
if (ctx)
|
||||
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
|
||||
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
|
||||
|
||||
return ret; /* Return reporting a success */
|
||||
}
|
||||
|
|
@ -0,0 +1,355 @@
|
|||
/* server-tls.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
|
||||
*/
|
||||
|
||||
/* 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 */
|
||||
#include <wolfssl/options.h>
|
||||
#include <wolfssl/ssl.h>
|
||||
|
||||
#define DEFAULT_PORT 11111
|
||||
|
||||
#define CA_CERT_FILE "../certs/ca-cert.pem"
|
||||
#define CERT_FILE "../certs/server-cert.pem"
|
||||
#define KEY_FILE "../certs/server-key.pem"
|
||||
|
||||
#define CERT_BUFFER_SZ 2048
|
||||
|
||||
enum {
|
||||
VERIFY_OVERRIDE_ERROR,
|
||||
VERIFY_FORCE_FAIL,
|
||||
VERIFY_USE_PREVERIFY,
|
||||
VERIFY_DEFAULT,
|
||||
VERIFY_OVERRIDE_DATE_ERR
|
||||
};
|
||||
|
||||
static THREAD_LS_T int myVerifyAction = VERIFY_DEFAULT;
|
||||
|
||||
static WC_INLINE int myVerify(int preverify, WOLFSSL_X509_STORE_CTX* store)
|
||||
{
|
||||
char buffer[WOLFSSL_MAX_ERROR_SZ];
|
||||
WOLFSSL_X509* peer;
|
||||
char issuerBuffer[CERT_BUFFER_SZ];
|
||||
char subjectBuffer[CERT_BUFFER_SZ];
|
||||
|
||||
fprintf(stderr, "In verification callback, error = %d, %s\n", store->error,
|
||||
wolfSSL_ERR_error_string(store->error, buffer));
|
||||
peer = store->current_cert;
|
||||
if (peer) {
|
||||
wolfSSL_X509_NAME_oneline(
|
||||
wolfSSL_X509_get_issuer_name(peer), issuerBuffer, CERT_BUFFER_SZ);
|
||||
wolfSSL_X509_NAME_oneline(
|
||||
wolfSSL_X509_get_subject_name(peer), subjectBuffer, CERT_BUFFER_SZ);
|
||||
printf("\tPeer's cert info:\n issuer : %s\n subject: %s\n",
|
||||
issuerBuffer, subjectBuffer);
|
||||
}
|
||||
else
|
||||
fprintf(stderr, "\tPeer has no cert!\n");
|
||||
|
||||
printf("\tSubject's domain name at %d is %s\n",
|
||||
store->error_depth, store->domain);
|
||||
|
||||
switch (myVerifyAction) {
|
||||
case VERIFY_OVERRIDE_ERROR:
|
||||
return 1;
|
||||
|
||||
case VERIFY_FORCE_FAIL:
|
||||
return 0;
|
||||
|
||||
case VERIFY_DEFAULT:
|
||||
case VERIFY_USE_PREVERIFY:
|
||||
return preverify;
|
||||
|
||||
case VERIFY_OVERRIDE_DATE_ERR:
|
||||
if (store->error == ASN_BEFORE_DATE_E
|
||||
|| store->error == ASN_AFTER_DATE_E)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
fprintf(stderr, "Invalid verify action.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int switchPeerAuthMode(char *mode)
|
||||
{
|
||||
if (XSTRCMP("NONE", mode) == 0) {
|
||||
return SSL_VERIFY_NONE;
|
||||
}
|
||||
else if (XSTRCMP("PEER", mode) == 0) {
|
||||
return SSL_VERIFY_PEER;
|
||||
}
|
||||
else if (XSTRCMP("FAIL_IN_NO_PEER_CERT", mode) == 0) {
|
||||
return SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
|
||||
}
|
||||
else if (XSTRCMP("FAIL_EXCEPT_PSK", mode) == 0) {
|
||||
return SSL_VERIFY_FAIL_EXCEPT_PSK;
|
||||
}
|
||||
fprintf(stderr, "Invalid peer auth mode.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int switchMyVerifyAction(char *mode)
|
||||
{
|
||||
if (XSTRCMP("OVERRIDE_ERROR", mode) == 0) {
|
||||
return VERIFY_OVERRIDE_ERROR;
|
||||
}
|
||||
else if (XSTRCMP("FORCE_FAIL", mode) == 0) {
|
||||
return VERIFY_FORCE_FAIL;
|
||||
}
|
||||
else if (XSTRCMP("USE_PREVERIFY", mode) == 0) {
|
||||
return VERIFY_USE_PREVERIFY;
|
||||
}
|
||||
else if (XSTRCMP("OVERRIDE_DATE_ERR", mode) == 0) {
|
||||
return VERIFY_OVERRIDE_DATE_ERR;
|
||||
}
|
||||
fprintf(stderr, "Invalid verify action.\n");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int sockfd = SOCKET_INVALID;
|
||||
int connd = SOCKET_INVALID;
|
||||
struct sockaddr_in servAddr;
|
||||
struct sockaddr_in clientAddr;
|
||||
socklen_t size = sizeof(clientAddr);
|
||||
char buff[256];
|
||||
size_t len;
|
||||
int shutdown = 0;
|
||||
int ret;
|
||||
int diff = 0;
|
||||
int peerAuthMode = WOLFSSL_VERIFY_DEFAULT;
|
||||
const char* reply = "I hear ya fa shizzle!\n";
|
||||
|
||||
/* declare wolfSSL objects */
|
||||
WOLFSSL_CTX* ctx = NULL;
|
||||
WOLFSSL* ssl = NULL;
|
||||
|
||||
/* Initialize wolfSSL */
|
||||
wolfSSL_Init();
|
||||
|
||||
/* Check options */
|
||||
if (argc >= 3) {
|
||||
if (XSTRCMP("-a", argv[1]) == 0) {
|
||||
peerAuthMode = switchPeerAuthMode(argv[2]);
|
||||
diff += 2;
|
||||
}
|
||||
if (XSTRCMP("-m", argv[1]) == 0) {
|
||||
myVerifyAction = switchMyVerifyAction(argv[2]);
|
||||
diff += 2;
|
||||
}
|
||||
}
|
||||
if (argc >= 5) {
|
||||
if (XSTRCMP("-a", argv[3]) == 0) {
|
||||
peerAuthMode = switchPeerAuthMode(argv[4]);
|
||||
diff += 2;
|
||||
}
|
||||
if (XSTRCMP("-m", argv[3]) == 0) {
|
||||
myVerifyAction = switchMyVerifyAction(argv[4]);
|
||||
diff += 2;
|
||||
}
|
||||
}
|
||||
|
||||
/* Set specify cert/key files */
|
||||
if (argc-diff != 1) {
|
||||
printf("usage:\n"
|
||||
"\t./server-tls-peerauth -a <Peer auth mode>\n"
|
||||
"\t./server-tls-peerauth -m <Verify mode>\n"
|
||||
"\t./server-tls-peerauth \\\n"
|
||||
"\t\t-a <Peer auth mode> -m <Verify mode> \n"
|
||||
"\n"
|
||||
"Peer auth mode:\n"
|
||||
"\tNONE, PEER,\n"
|
||||
"\tFAIL_IF_NO_PEER_CERT,\n"
|
||||
"\tFAIL_EXCEPT_PSK\n"
|
||||
"\n"
|
||||
"Verify mode:\n"
|
||||
"\tOVERRIDE_ERROR,\n"
|
||||
"\tFORCE_FAIL,\n"
|
||||
"\tUSE_PREVERIFY,\n"
|
||||
"\tOVERRIDE_DATE_ERR\n");
|
||||
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;
|
||||
}
|
||||
|
||||
/* Create and initialize WOLFSSL_CTX */
|
||||
if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_server_method())) == NULL) {
|
||||
fprintf(stderr, "ERROR: failed to create WOLFSSL_CTX\n");
|
||||
ret = -1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Set peer auth mode */
|
||||
if (peerAuthMode != WOLFSSL_VERIFY_DEFAULT) {
|
||||
wolfSSL_CTX_set_verify(ctx, peerAuthMode, myVerify);
|
||||
}
|
||||
|
||||
/* If peer auth is enabled, Load CA certificates into WOLFSSL_CTX */
|
||||
if (peerAuthMode != WOLFSSL_VERIFY_DEFAULT
|
||||
&& peerAuthMode != WOLFSSL_VERIFY_NONE) {
|
||||
if ((ret = wolfSSL_CTX_load_verify_locations(ctx, CA_CERT_FILE, NULL))
|
||||
!= SSL_SUCCESS) {
|
||||
fprintf(stderr, "ERROR: failed to load %s, "
|
||||
"please check the file.\n", CA_CERT_FILE);
|
||||
goto exit;
|
||||
}
|
||||
}
|
||||
|
||||
/* Load server certificates into WOLFSSL_CTX */
|
||||
if ((ret = wolfSSL_CTX_use_certificate_file(ctx, CERT_FILE,
|
||||
SSL_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, SSL_FILETYPE_PEM))
|
||||
!= WOLFSSL_SUCCESS) {
|
||||
fprintf(stderr, "ERROR: failed to load %s, please check the file.\n",
|
||||
KEY_FILE);
|
||||
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 */
|
||||
servAddr.sin_addr.s_addr = INADDR_ANY; /* from anywhere */
|
||||
|
||||
/* Bind the server socket to our port */
|
||||
if (bind(sockfd, (struct sockaddr*)&servAddr, sizeof(servAddr)) == -1) {
|
||||
fprintf(stderr, "ERROR: failed to bind\n");
|
||||
ret = -1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Listen for a new connection, allow 5 pending connections */
|
||||
if (listen(sockfd, 5) == -1) {
|
||||
fprintf(stderr, "ERROR: failed to listen\n");
|
||||
ret = -1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Continue to accept clients until shutdown is issued */
|
||||
while (!shutdown) {
|
||||
printf("Waiting for a connection...\n");
|
||||
|
||||
/* Accept client connections */
|
||||
if ((connd = accept(sockfd, (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, connd);
|
||||
|
||||
/* Establish TLS connection */
|
||||
ret = wolfSSL_accept(ssl);
|
||||
if (ret != WOLFSSL_SUCCESS) {
|
||||
fprintf(stderr, "wolfSSL_accept error = %d\n",
|
||||
wolfSSL_get_error(ssl, ret));
|
||||
goto exit;
|
||||
}
|
||||
|
||||
printf("Client connected successfully\n");
|
||||
|
||||
/* Read the client data into our buff array */
|
||||
memset(buff, 0, sizeof(buff));
|
||||
if ((ret = wolfSSL_read(ssl, buff, sizeof(buff)-1)) == -1) {
|
||||
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");
|
||||
shutdown = 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)) != len) {
|
||||
fprintf(stderr, "ERROR: failed to write\n");
|
||||
goto exit;
|
||||
}
|
||||
|
||||
/* Notify the client that the connection is ending */
|
||||
wolfSSL_shutdown(ssl);
|
||||
printf("Shutdown complete\n");
|
||||
|
||||
/* Cleanup after this connection */
|
||||
wolfSSL_free(ssl); /* Free the wolfSSL object */
|
||||
ssl = NULL;
|
||||
close(connd); /* Close the connection to the client */
|
||||
}
|
||||
|
||||
ret = 0;
|
||||
|
||||
exit:
|
||||
/* Cleanup and return */
|
||||
if (ssl)
|
||||
wolfSSL_free(ssl); /* Free the wolfSSL object */
|
||||
if (connd != SOCKET_INVALID)
|
||||
close(connd); /* Close the connection to the client */
|
||||
if (sockfd != SOCKET_INVALID)
|
||||
close(sockfd); /* Close the socket listening for clients */
|
||||
if (ctx)
|
||||
wolfSSL_CTX_free(ctx); /* Free the wolfSSL context object */
|
||||
wolfSSL_Cleanup(); /* Cleanup the wolfSSL environment */
|
||||
|
||||
return ret; /* Return reporting a success */
|
||||
}
|
||||
Loading…
Reference in New Issue