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1893aafd38
wolfssl/examples/server/server.c
Mario Fetka 1893aafd38 Imported Upstream version 3.10.2+dfsg
2017-05-11 14:01:41 +02:00

1266 lines
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/* 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
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <cyassl/ssl.h> /* name change portability layer */
#include <cyassl/ctaocrypt/settings.h>
#ifdef HAVE_ECC
#include <cyassl/ctaocrypt/ecc.h> /* ecc_fp_free */
#endif
#if !defined(WOLFSSL_TRACK_MEMORY) && !defined(NO_MAIN_DRIVER)
/* in case memory tracker wants stats */
#define WOLFSSL_TRACK_MEMORY
#endif
#if defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
#include <stdio.h>
#include <string.h>
#if !defined(WOLFSSL_MDK_ARM)
#include "cmsis_os.h"
#include "rl_fs.h"
#include "rl_net.h"
#else
#include "rtl.h"
#include "wolfssl_MDK_ARM.h"
#endif
#endif
#include <cyassl/openssl/ssl.h>
#include <cyassl/test.h>
#include "examples/server/server.h"
#ifdef WOLFSSL_ASYNC_CRYPT
static int devId = INVALID_DEVID;
#endif
/* Note on using port 0: if the server uses port 0 to bind an ephemeral port
* number and is using the ready file for scripted testing, the code in
* test.h will write the actual port number into the ready file for use
* by the client. */
#ifdef CYASSL_CALLBACKS
int srvHandShakeCB(HandShakeInfo*);
int srvTimeoutCB(TimeoutInfo*);
Timeval srvTo;
#endif
#ifndef NO_HANDSHAKE_DONE_CB
int myHsDoneCb(WOLFSSL* ssl, void* user_ctx);
#endif
static int NonBlockingSSL_Accept(SSL* ssl)
{
#ifndef CYASSL_CALLBACKS
int ret = SSL_accept(ssl);
#else
int ret = CyaSSL_accept_ex(ssl, srvHandShakeCB, srvTimeoutCB, srvTo);
#endif
int error = SSL_get_error(ssl, 0);
SOCKET_T sockfd = (SOCKET_T)CyaSSL_get_fd(ssl);
int select_ret;
while (ret != SSL_SUCCESS && (error == SSL_ERROR_WANT_READ ||
error == SSL_ERROR_WANT_WRITE)) {
int currTimeout = 1;
if (error == SSL_ERROR_WANT_READ) {
/* printf("... server would read block\n"); */
} else {
/* printf("... server would write block\n"); */
}
#ifdef CYASSL_DTLS
currTimeout = CyaSSL_dtls_get_current_timeout(ssl);
#endif
select_ret = tcp_select(sockfd, currTimeout);
if ((select_ret == TEST_RECV_READY) ||
(select_ret == TEST_ERROR_READY)) {
#ifndef CYASSL_CALLBACKS
ret = SSL_accept(ssl);
#else
ret = CyaSSL_accept_ex(ssl,
srvHandShakeCB, srvTimeoutCB, srvTo);
#endif
error = SSL_get_error(ssl, 0);
}
else if (select_ret == TEST_TIMEOUT && !CyaSSL_dtls(ssl)) {
error = SSL_ERROR_WANT_READ;
}
#ifdef CYASSL_DTLS
else if (select_ret == TEST_TIMEOUT && CyaSSL_dtls(ssl) &&
CyaSSL_dtls_got_timeout(ssl) >= 0) {
error = SSL_ERROR_WANT_READ;
}
#endif
else {
error = SSL_FATAL_ERROR;
}
}
return ret;
}
/* Echo number of bytes specified by -e arg */
int ServerEchoData(SSL* ssl, int clientfd, int echoData, int throughput)
{
int ret = 0;
char* buffer = (char*)malloc(TEST_BUFFER_SIZE);
if(buffer) {
double start = 0, rx_time = 0, tx_time = 0;
int xfer_bytes = 0;
while((echoData && throughput == 0) || (!echoData && xfer_bytes < throughput)) {
int select_ret = tcp_select(clientfd, 1); /* Timeout=1 second */
if (select_ret == TEST_RECV_READY) {
int len = min(TEST_BUFFER_SIZE, throughput - xfer_bytes);
int rx_pos = 0;
if(throughput) {
start = current_time(1);
}
while(rx_pos < len) {
ret = SSL_read(ssl, &buffer[rx_pos], len - rx_pos);
if (ret <= 0) {
int readErr = SSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ) {
printf("SSL_read error %d!\n", readErr);
err_sys("SSL_read failed");
}
}
else {
rx_pos += ret;
}
}
if(throughput) {
rx_time += current_time(0) - start;
start = current_time(1);
}
if (SSL_write(ssl, buffer, len) != len) {
err_sys("SSL_write failed");
}
if(throughput) {
tx_time += current_time(0) - start;
}
xfer_bytes += len;
}
}
free(buffer);
if(throughput) {
printf("wolfSSL Server Benchmark %d bytes\n"
"\tRX %8.3f ms (%8.3f MBps)\n"
"\tTX %8.3f ms (%8.3f MBps)\n",
throughput,
tx_time * 1000, throughput / tx_time / 1024 / 1024,
rx_time * 1000, throughput / rx_time / 1024 / 1024
);
}
}
else {
err_sys("Server buffer malloc failed");
}
return EXIT_SUCCESS;
}
static void Usage(void)
{
printf("server " LIBCYASSL_VERSION_STRING
" NOTE: All files relative to wolfSSL home dir\n");
printf("-? Help, print this usage\n");
printf("-p <num> Port to listen on, not 0, default %d\n", yasslPort);
printf("-v <num> SSL version [0-3], SSLv3(0) - TLS1.2(3)), default %d\n",
SERVER_DEFAULT_VERSION);
printf("-l <str> Cipher suite list (: delimited)\n");
printf("-c <file> Certificate file, default %s\n", svrCert);
printf("-k <file> Key file, default %s\n", svrKey);
printf("-A <file> Certificate Authority file, default %s\n", cliCert);
printf("-R <file> Create Ready file for external monitor default none\n");
#ifndef NO_DH
printf("-D <file> Diffie-Hellman Params file, default %s\n", dhParam);
printf("-Z <num> Minimum DH key bits, default %d\n",
DEFAULT_MIN_DHKEY_BITS);
#endif
#ifdef HAVE_ALPN
printf("-L <str> Application-Layer Protocol Negotiation ({C,F}:<list>)\n");
#endif
printf("-d Disable client cert check\n");
printf("-b Bind to any interface instead of localhost only\n");
printf("-s Use pre Shared keys\n");
printf("-t Track wolfSSL memory use\n");
printf("-u Use UDP DTLS,"
" add -v 2 for DTLSv1, -v 3 for DTLSv1.2 (default)\n");
#ifdef WOLFSSL_SCTP
printf("-G Use SCTP DTLS,"
" add -v 2 for DTLSv1, -v 3 for DTLSv1.2 (default)\n");
#endif
printf("-f Fewer packets/group messages\n");
printf("-r Allow one client Resumption\n");
printf("-N Use Non-blocking sockets\n");
printf("-S <str> Use Host Name Indication\n");
printf("-w Wait for bidirectional shutdown\n");
#ifdef HAVE_OCSP
printf("-o Perform OCSP lookup on peer certificate\n");
printf("-O <url> Perform OCSP lookup using <url> as responder\n");
#endif
#ifdef HAVE_PK_CALLBACKS
printf("-P Public Key Callbacks\n");
#endif
#ifdef HAVE_ANON
printf("-a Anonymous server\n");
#endif
#ifndef NO_PSK
printf("-I Do not send PSK identity hint\n");
#endif
printf("-i Loop indefinitely (allow repeated connections)\n");
printf("-e Echo data mode (return raw bytes received)\n");
#ifdef HAVE_NTRU
printf("-n Use NTRU key (needed for NTRU suites)\n");
#endif
printf("-B <num> Benchmark throughput using <num> bytes and print stats\n");
#ifdef WOLFSSL_TRUST_PEER_CERT
printf("-E <file> Path to load trusted peer cert\n");
#endif
#ifdef HAVE_WNR
printf("-q <file> Whitewood config file, default %s\n", wnrConfig);
#endif
}
THREAD_RETURN CYASSL_THREAD server_test(void* args)
{
SOCKET_T sockfd = WOLFSSL_SOCKET_INVALID;
SOCKET_T clientfd = WOLFSSL_SOCKET_INVALID;
wolfSSL_method_func method = NULL;
SSL_CTX* ctx = 0;
SSL* ssl = 0;
#ifndef WOLFSSL_ALT_TEST_STRINGS
const char msg[] = "I hear you fa shizzle!";
#else
const char msg[] = "I hear you fa shizzle!\n";
#endif
char input[80];
int ch;
int version = SERVER_DEFAULT_VERSION;
int doCliCertCheck = 1;
int useAnyAddr = 0;
word16 port = wolfSSLPort;
int usePsk = 0;
int usePskPlus = 0;
int useAnon = 0;
int doDTLS = 0;
int dtlsUDP = 0;
int dtlsSCTP = 0;
int needDH = 0;
int useNtruKey = 0;
int nonBlocking = 0;
int trackMemory = 0;
int fewerPackets = 0;
int pkCallbacks = 0;
int wc_shutdown = 0;
int resume = 0;
int resumeCount = 0;
int loopIndefinitely = 0;
int echoData = 0;
int throughput = 0;
int minDhKeyBits = DEFAULT_MIN_DHKEY_BITS;
short minRsaKeyBits = DEFAULT_MIN_RSAKEY_BITS;
short minEccKeyBits = DEFAULT_MIN_ECCKEY_BITS;
int doListen = 1;
int crlFlags = 0;
int ret;
int err = 0;
char* serverReadyFile = NULL;
char* alpnList = NULL;
unsigned char alpn_opt = 0;
char* cipherList = NULL;
const char* verifyCert = cliCert;
const char* ourCert = svrCert;
const char* ourKey = svrKey;
const char* ourDhParam = dhParam;
tcp_ready* readySignal = NULL;
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
#ifdef WOLFSSL_TRUST_PEER_CERT
const char* trustCert = NULL;
#endif
#ifndef NO_PSK
int sendPskIdentityHint = 1;
#endif
#ifdef HAVE_SNI
char* sniHostName = NULL;
#endif
#ifdef HAVE_OCSP
int useOcsp = 0;
char* ocspUrl = NULL;
#endif
#ifdef HAVE_WNR
const char* wnrConfigFile = wnrConfig;
#endif
#ifdef WOLFSSL_STATIC_MEMORY
#if (defined(HAVE_ECC) && !defined(ALT_ECC_SIZE)) \
|| defined(SESSION_CERTS)
/* big enough to handle most cases including session certs */
byte memory[204000];
#else
byte memory[80000];
#endif
byte memoryIO[34500]; /* max of 17k for IO buffer (TLS packet can be 16k) */
WOLFSSL_MEM_CONN_STATS ssl_stats;
#endif
((func_args*)args)->return_code = -1; /* error state */
#ifdef NO_RSA
verifyCert = (char*)cliEccCert;
ourCert = (char*)eccCert;
ourKey = (char*)eccKey;
#endif
(void)pkCallbacks;
(void)needDH;
(void)ourKey;
(void)ourCert;
(void)ourDhParam;
(void)verifyCert;
(void)useNtruKey;
(void)doCliCertCheck;
(void)minDhKeyBits;
(void)minRsaKeyBits;
(void)minEccKeyBits;
(void)alpnList;
(void)alpn_opt;
(void)crlFlags;
(void)readySignal;
#ifdef CYASSL_TIRTOS
fdOpenSession(Task_self());
#endif
#ifdef WOLFSSL_VXWORKS
useAnyAddr = 1;
#else
while ((ch = mygetopt(argc, argv,
"?jdbstnNuGfrawPIR:p:v:l:A:c:k:Z:S:oO:D:L:ieB:E:q:")) != -1) {
switch (ch) {
case '?' :
Usage();
exit(EXIT_SUCCESS);
case 'd' :
doCliCertCheck = 0;
break;
case 'b' :
useAnyAddr = 1;
break;
case 's' :
usePsk = 1;
break;
case 'j' :
usePskPlus = 1;
break;
case 't' :
#ifdef USE_WOLFSSL_MEMORY
trackMemory = 1;
#endif
break;
case 'n' :
useNtruKey = 1;
break;
case 'u' :
doDTLS = 1;
dtlsUDP = 1;
break;
case 'G' :
#ifdef WOLFSSL_SCTP
doDTLS = 1;
dtlsSCTP = 1;
#endif
break;
case 'f' :
fewerPackets = 1;
break;
case 'R' :
serverReadyFile = myoptarg;
break;
case 'r' :
#ifndef NO_SESSION_CACHE
resume = 1;
#endif
break;
case 'P' :
#ifdef HAVE_PK_CALLBACKS
pkCallbacks = 1;
#endif
break;
case 'p' :
port = (word16)atoi(myoptarg);
break;
case 'w' :
wc_shutdown = 1;
break;
case 'v' :
version = atoi(myoptarg);
if (version < 0 || version > 3) {
Usage();
exit(MY_EX_USAGE);
}
break;
case 'l' :
cipherList = myoptarg;
break;
case 'A' :
verifyCert = myoptarg;
break;
case 'c' :
ourCert = myoptarg;
break;
case 'k' :
ourKey = myoptarg;
break;
case 'D' :
#ifndef NO_DH
ourDhParam = myoptarg;
#endif
break;
case 'Z' :
#ifndef NO_DH
minDhKeyBits = atoi(myoptarg);
if (minDhKeyBits <= 0 || minDhKeyBits > 16000) {
Usage();
exit(MY_EX_USAGE);
}
#endif
break;
case 'N':
nonBlocking = 1;
break;
case 'S' :
#ifdef HAVE_SNI
sniHostName = myoptarg;
#endif
break;
case 'o' :
#ifdef HAVE_OCSP
useOcsp = 1;
#endif
break;
case 'O' :
#ifdef HAVE_OCSP
useOcsp = 1;
ocspUrl = myoptarg;
#endif
break;
case 'a' :
#ifdef HAVE_ANON
useAnon = 1;
#endif
break;
case 'I':
#ifndef NO_PSK
sendPskIdentityHint = 0;
#endif
break;
case 'L' :
#ifdef HAVE_ALPN
alpnList = myoptarg;
if (alpnList[0] == 'C' && alpnList[1] == ':')
alpn_opt = WOLFSSL_ALPN_CONTINUE_ON_MISMATCH;
else if (alpnList[0] == 'F' && alpnList[1] == ':')
alpn_opt = WOLFSSL_ALPN_FAILED_ON_MISMATCH;
else {
Usage();
exit(MY_EX_USAGE);
}
alpnList += 2;
#endif
break;
case 'i' :
loopIndefinitely = 1;
break;
case 'e' :
echoData = 1;
break;
case 'B':
throughput = atoi(myoptarg);
if (throughput <= 0) {
Usage();
exit(MY_EX_USAGE);
}
break;
#ifdef WOLFSSL_TRUST_PEER_CERT
case 'E' :
trustCert = myoptarg;
break;
#endif
case 'q' :
#ifdef HAVE_WNR
wnrConfigFile = myoptarg;
#endif
break;
default:
Usage();
exit(MY_EX_USAGE);
}
}
myoptind = 0; /* reset for test cases */
#endif /* !WOLFSSL_VXWORKS */
/* Can only use DTLS over UDP or SCTP, can't do both. */
if (dtlsUDP && dtlsSCTP) {
err_sys("Cannot use DTLS with both UDP and SCTP.");
}
/* sort out DTLS versus TLS versions */
if (version == CLIENT_INVALID_VERSION) {
if (doDTLS)
version = CLIENT_DTLS_DEFAULT_VERSION;
else
version = CLIENT_DEFAULT_VERSION;
}
else {
if (doDTLS) {
if (version == 3)
version = -2;
else
version = -1;
}
}
#if defined(USE_CYASSL_MEMORY) && !defined(WOLFSSL_STATIC_MEMORY)
if (trackMemory)
InitMemoryTracker();
#endif
#ifdef HAVE_WNR
if (wc_InitNetRandom(wnrConfigFile, NULL, 5000) != 0)
err_sys("can't load whitewood net random config file");
#endif
switch (version) {
#ifndef NO_OLD_TLS
#ifdef WOLFSSL_ALLOW_SSLV3
case 0:
method = wolfSSLv3_server_method_ex;
break;
#endif
#ifndef NO_TLS
case 1:
method = wolfTLSv1_server_method_ex;
break;
case 2:
method = wolfTLSv1_1_server_method_ex;
break;
#endif
#endif
#ifndef NO_TLS
case 3:
method = wolfTLSv1_2_server_method_ex;
break;
#endif
#ifdef CYASSL_DTLS
#ifndef NO_OLD_TLS
case -1:
method = wolfDTLSv1_server_method_ex;
break;
#endif
case -2:
method = wolfDTLSv1_2_server_method_ex;
break;
#endif
default:
err_sys("Bad SSL version");
}
if (method == NULL)
err_sys("unable to get method");
#ifdef WOLFSSL_STATIC_MEMORY
#ifdef DEBUG_WOLFSSL
/* print off helper buffer sizes for use with static memory
* printing to stderr incase of debug mode turned on */
fprintf(stderr, "static memory management size = %d\n",
wolfSSL_MemoryPaddingSz());
fprintf(stderr, "calculated optimum general buffer size = %d\n",
wolfSSL_StaticBufferSz(memory, sizeof(memory), 0));
fprintf(stderr, "calculated optimum IO buffer size = %d\n",
wolfSSL_StaticBufferSz(memoryIO, sizeof(memoryIO),
WOLFMEM_IO_POOL_FIXED));
#endif /* DEBUG_WOLFSSL */
if (wolfSSL_CTX_load_static_memory(&ctx, method, memory, sizeof(memory),0,1)
!= SSL_SUCCESS)
err_sys("unable to load static memory and create ctx");
/* load in a buffer for IO */
if (wolfSSL_CTX_load_static_memory(&ctx, NULL, memoryIO, sizeof(memoryIO),
WOLFMEM_IO_POOL_FIXED | WOLFMEM_TRACK_STATS, 1)
!= SSL_SUCCESS)
err_sys("unable to load static memory and create ctx");
#else
ctx = SSL_CTX_new(method(NULL));
#endif /* WOLFSSL_STATIC_MEMORY */
if (ctx == NULL)
err_sys("unable to get ctx");
#if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \
defined(HAVE_POLY1305)
if (TicketInit() != 0)
err_sys("unable to setup Session Ticket Key context");
wolfSSL_CTX_set_TicketEncCb(ctx, myTicketEncCb);
#endif
if (cipherList)
if (SSL_CTX_set_cipher_list(ctx, cipherList) != SSL_SUCCESS)
err_sys("server can't set cipher list 1");
#ifdef CYASSL_LEANPSK
if (!usePsk) {
usePsk = 1;
}
#endif
#if defined(NO_RSA) && !defined(HAVE_ECC)
if (!usePsk) {
usePsk = 1;
}
#endif
if (fewerPackets)
CyaSSL_CTX_set_group_messages(ctx);
#ifdef WOLFSSL_SCTP
if (dtlsSCTP)
wolfSSL_CTX_dtls_set_sctp(ctx);
#endif
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
SSL_CTX_set_default_passwd_cb(ctx, PasswordCallBack);
#endif
#if !defined(NO_CERTS)
if ((!usePsk || usePskPlus) && !useAnon) {
#if !defined(NO_FILESYSTEM)
if (SSL_CTX_use_certificate_chain_file(ctx, ourCert)
!= SSL_SUCCESS)
err_sys("can't load server cert file, check file and run from"
" wolfSSL home dir");
#else
/* loads cert chain file using buffer API */
load_buffer(ctx, ourCert, WOLFSSL_CERT_CHAIN);
#endif
}
#endif
#ifndef NO_DH
if (wolfSSL_CTX_SetMinDhKey_Sz(ctx, (word16)minDhKeyBits) != SSL_SUCCESS) {
err_sys("Error setting minimum DH key size");
}
#endif
#ifndef NO_RSA
if (wolfSSL_CTX_SetMinRsaKey_Sz(ctx, minRsaKeyBits) != SSL_SUCCESS){
err_sys("Error setting minimum RSA key size");
}
#endif
#ifdef HAVE_ECC
if (wolfSSL_CTX_SetMinEccKey_Sz(ctx, minEccKeyBits) != SSL_SUCCESS){
err_sys("Error setting minimum ECC key size");
}
#endif
#ifdef HAVE_NTRU
if (useNtruKey) {
if (CyaSSL_CTX_use_NTRUPrivateKey_file(ctx, ourKey)
!= SSL_SUCCESS)
err_sys("can't load ntru key file, "
"Please run from wolfSSL home dir");
}
#endif
#if !defined(NO_CERTS)
if (!useNtruKey && (!usePsk || usePskPlus) && !useAnon) {
#if !defined(NO_FILESYSTEM)
if (SSL_CTX_use_PrivateKey_file(ctx, ourKey, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load server private key file, check file and run "
"from wolfSSL home dir");
#else
/* loads private key file using buffer API */
load_buffer(ctx, ourKey, WOLFSSL_KEY);
#endif
}
#endif
if (usePsk || usePskPlus) {
#ifndef NO_PSK
SSL_CTX_set_psk_server_callback(ctx, my_psk_server_cb);
if (sendPskIdentityHint == 1)
SSL_CTX_use_psk_identity_hint(ctx, "cyassl server");
if (cipherList == NULL && !usePskPlus) {
const char *defaultCipherList;
#if defined(HAVE_AESGCM) && !defined(NO_DH)
defaultCipherList = "DHE-PSK-AES128-GCM-SHA256";
needDH = 1;
#elif defined(HAVE_NULL_CIPHER)
defaultCipherList = "PSK-NULL-SHA256";
#else
defaultCipherList = "PSK-AES128-CBC-SHA256";
#endif
if (SSL_CTX_set_cipher_list(ctx, defaultCipherList) != SSL_SUCCESS)
err_sys("server can't set cipher list 2");
}
#endif
}
if (useAnon) {
#ifdef HAVE_ANON
CyaSSL_CTX_allow_anon_cipher(ctx);
if (cipherList == NULL) {
if (SSL_CTX_set_cipher_list(ctx, "ADH-AES128-SHA") != SSL_SUCCESS)
err_sys("server can't set cipher list 4");
}
#endif
}
#if !defined(NO_FILESYSTEM) && !defined(NO_CERTS)
/* if not using PSK, verify peer with certs
if using PSK Plus then verify peer certs except PSK suites */
if (doCliCertCheck && (usePsk == 0 || usePskPlus) && useAnon == 0) {
SSL_CTX_set_verify(ctx, SSL_VERIFY_PEER |
((usePskPlus)? SSL_VERIFY_FAIL_EXCEPT_PSK :
SSL_VERIFY_FAIL_IF_NO_PEER_CERT),0);
if (SSL_CTX_load_verify_locations(ctx, verifyCert, 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
#ifdef WOLFSSL_TRUST_PEER_CERT
if (trustCert) {
if ((ret = wolfSSL_CTX_trust_peer_cert(ctx, trustCert,
SSL_FILETYPE_PEM)) != SSL_SUCCESS) {
err_sys("can't load trusted peer cert file");
}
}
#endif /* WOLFSSL_TRUST_PEER_CERT */
}
#endif
#if defined(CYASSL_SNIFFER)
/* don't use EDH, can't sniff tmp keys */
if (cipherList == NULL) {
if (SSL_CTX_set_cipher_list(ctx, "AES128-SHA") != SSL_SUCCESS)
err_sys("server can't set cipher list 3");
}
#endif
#ifdef HAVE_SNI
if (sniHostName)
if (CyaSSL_CTX_UseSNI(ctx, CYASSL_SNI_HOST_NAME, sniHostName,
XSTRLEN(sniHostName)) != SSL_SUCCESS)
err_sys("UseSNI failed");
#endif
#ifdef USE_WINDOWS_API
if (port == 0) {
/* Generate random port for testing */
port = GetRandomPort();
}
#endif /* USE_WINDOWS_API */
#ifdef WOLFSSL_ASYNC_CRYPT
ret = wolfAsync_DevOpen(&devId);
if (ret != 0) {
err_sys("Async device open failed");
}
wolfSSL_CTX_UseAsync(ctx, devId);
#endif /* WOLFSSL_ASYNC_CRYPT */
while (1) {
/* allow resume option */
if(resumeCount > 1) {
if (dtlsUDP == 0) {
SOCKADDR_IN_T client;
socklen_t client_len = sizeof(client);
clientfd = accept(sockfd, (struct sockaddr*)&client,
(ACCEPT_THIRD_T)&client_len);
} else {
tcp_listen(&sockfd, &port, useAnyAddr, dtlsUDP, dtlsSCTP);
clientfd = sockfd;
}
if(WOLFSSL_SOCKET_IS_INVALID(clientfd)) {
err_sys("tcp accept failed");
}
}
#if defined(WOLFSSL_STATIC_MEMORY) && defined(DEBUG_WOLFSSL)
{
WOLFSSL_MEM_STATS mem_stats;
fprintf(stderr, "Before creating SSL\n");
if (wolfSSL_CTX_is_static_memory(ctx, &mem_stats) != 1)
err_sys("ctx not using static memory");
if (wolfSSL_PrintStats(&mem_stats) != 1) /* function in test.h */
err_sys("error printing out memory stats");
}
#endif
ssl = SSL_new(ctx);
if (ssl == NULL)
err_sys("unable to get SSL");
#ifdef OPENSSL_EXTRA
wolfSSL_KeepArrays(ssl);
#endif
#if defined(WOLFSSL_STATIC_MEMORY) && defined(DEBUG_WOLFSSL)
{
WOLFSSL_MEM_STATS mem_stats;
fprintf(stderr, "After creating SSL\n");
if (wolfSSL_CTX_is_static_memory(ctx, &mem_stats) != 1)
err_sys("ctx not using static memory");
if (wolfSSL_PrintStats(&mem_stats) != 1) /* function in test.h */
err_sys("error printing out memory stats");
}
#endif
#ifndef NO_HANDSHAKE_DONE_CB
wolfSSL_SetHsDoneCb(ssl, myHsDoneCb, NULL);
#endif
#ifdef HAVE_CRL
#ifdef HAVE_CRL_MONITOR
crlFlags = CYASSL_CRL_MONITOR | CYASSL_CRL_START_MON;
#endif
if (CyaSSL_EnableCRL(ssl, 0) != SSL_SUCCESS)
err_sys("unable to enable CRL");
if (CyaSSL_LoadCRL(ssl, crlPemDir, SSL_FILETYPE_PEM, crlFlags)
!= SSL_SUCCESS)
err_sys("unable to load CRL");
if (CyaSSL_SetCRL_Cb(ssl, CRL_CallBack) != SSL_SUCCESS)
err_sys("unable to set CRL callback url");
#endif
#ifdef HAVE_OCSP
if (useOcsp) {
if (ocspUrl != NULL) {
CyaSSL_CTX_SetOCSP_OverrideURL(ctx, ocspUrl);
CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE
| CYASSL_OCSP_URL_OVERRIDE);
}
else
CyaSSL_CTX_EnableOCSP(ctx, CYASSL_OCSP_NO_NONCE);
}
#endif
#if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
|| defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
if (wolfSSL_CTX_EnableOCSPStapling(ctx) != SSL_SUCCESS)
err_sys("can't enable OCSP Stapling Certificate Manager");
if (SSL_CTX_load_verify_locations(ctx, "certs/ocsp/intermediate1-ca-cert.pem", 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
if (SSL_CTX_load_verify_locations(ctx, "certs/ocsp/intermediate2-ca-cert.pem", 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
if (SSL_CTX_load_verify_locations(ctx, "certs/ocsp/intermediate3-ca-cert.pem", 0) != SSL_SUCCESS)
err_sys("can't load ca file, Please run from wolfSSL home dir");
#endif
#ifdef HAVE_PK_CALLBACKS
if (pkCallbacks)
SetupPkCallbacks(ctx, ssl);
#endif
/* do accept */
readySignal = ((func_args*)args)->signal;
if (readySignal) {
readySignal->srfName = serverReadyFile;
}
tcp_accept(&sockfd, &clientfd, (func_args*)args, port, useAnyAddr,
dtlsUDP, dtlsSCTP, serverReadyFile ? 1 : 0, doListen);
doListen = 0; /* Don't listen next time */
if (SSL_set_fd(ssl, clientfd) != SSL_SUCCESS) {
err_sys("error in setting fd");
}
#ifdef HAVE_ALPN
if (alpnList != NULL) {
printf("ALPN accepted protocols list : %s\n", alpnList);
wolfSSL_UseALPN(ssl, alpnList, (word32)XSTRLEN(alpnList), alpn_opt);
}
#endif
#ifdef WOLFSSL_DTLS
if (doDTLS && dtlsUDP) {
SOCKADDR_IN_T cliaddr;
byte b[1500];
int n;
socklen_t len = sizeof(cliaddr);
/* For DTLS, peek at the next datagram so we can get the client's
* address and set it into the ssl object later to generate the
* cookie. */
n = (int)recvfrom(sockfd, (char*)b, sizeof(b), MSG_PEEK,
(struct sockaddr*)&cliaddr, &len);
if (n <= 0)
err_sys("recvfrom failed");
wolfSSL_dtls_set_peer(ssl, &cliaddr, len);
}
#endif
if ((usePsk == 0 || usePskPlus) || useAnon == 1 || cipherList != NULL
|| needDH == 1) {
#if !defined(NO_FILESYSTEM) && !defined(NO_DH) && !defined(NO_ASN)
CyaSSL_SetTmpDH_file(ssl, ourDhParam, SSL_FILETYPE_PEM);
#elif !defined(NO_DH)
SetDH(ssl); /* repick suites with DHE, higher priority than PSK */
#endif
}
#ifndef CYASSL_CALLBACKS
if (nonBlocking) {
CyaSSL_set_using_nonblock(ssl, 1);
tcp_set_nonblocking(&clientfd);
}
#endif
do {
#ifdef WOLFSSL_ASYNC_CRYPT
if (err == WC_PENDING_E) {
ret = wolfSSL_AsyncPoll(ssl, WOLF_POLL_FLAG_CHECK_HW);
if (ret < 0) { break; } else if (ret == 0) { continue; }
}
#endif
err = 0; /* Reset error */
#ifndef CYASSL_CALLBACKS
if (nonBlocking) {
ret = NonBlockingSSL_Accept(ssl);
}
else {
ret = SSL_accept(ssl);
}
#else
ret = NonBlockingSSL_Accept(ssl);
#endif
if (ret != SSL_SUCCESS) {
err = SSL_get_error(ssl, 0);
}
} while (ret != SSL_SUCCESS && err == WC_PENDING_E);
if (ret != SSL_SUCCESS) {
char buffer[CYASSL_MAX_ERROR_SZ];
err = SSL_get_error(ssl, 0);
printf("error = %d, %s\n", err, ERR_error_string(err, buffer));
err_sys("SSL_accept failed");
}
showPeer(ssl);
if (SSL_state(ssl) != 0) {
err_sys("SSL in error state");
}
#ifdef OPENSSL_EXTRA
{
byte* rnd;
byte* pt;
size_t size;
/* get size of buffer then print */
size = wolfSSL_get_server_random(NULL, NULL, 0);
if (size == 0) {
err_sys("error getting server random buffer size");
}
rnd = (byte*)XMALLOC(size, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (rnd == NULL) {
err_sys("error creating server random buffer");
}
size = wolfSSL_get_server_random(ssl, rnd, size);
if (size == 0) {
XFREE(rnd, NULL, DYNAMIC_TYPE_TMP_BUFFER);
err_sys("error getting server random buffer");
}
printf("Server Random : ");
for (pt = rnd; pt < rnd + size; pt++) printf("%02X", *pt);
printf("\n");
XFREE(rnd, NULL, DYNAMIC_TYPE_TMP_BUFFER);
}
#endif
#ifdef HAVE_ALPN
if (alpnList != NULL) {
char *protocol_name = NULL, *list = NULL;
word16 protocol_nameSz = 0, listSz = 0;
err = wolfSSL_ALPN_GetProtocol(ssl, &protocol_name, &protocol_nameSz);
if (err == SSL_SUCCESS)
printf("Sent ALPN protocol : %s (%d)\n",
protocol_name, protocol_nameSz);
else if (err == SSL_ALPN_NOT_FOUND)
printf("No ALPN response sent (no match)\n");
else
printf("Getting ALPN protocol name failed\n");
err = wolfSSL_ALPN_GetPeerProtocol(ssl, &list, &listSz);
if (err == SSL_SUCCESS)
printf("List of protocol names sent by Client: %s (%d)\n",
list, listSz);
else
printf("Get list of client's protocol name failed\n");
free(list);
}
#endif
if(echoData == 0 && throughput == 0) {
ret = SSL_read(ssl, input, sizeof(input)-1);
if (ret > 0) {
input[ret] = 0;
printf("Client message: %s\n", input);
}
else if (ret < 0) {
int readErr = SSL_get_error(ssl, 0);
if (readErr != SSL_ERROR_WANT_READ)
err_sys("SSL_read failed");
}
if (SSL_write(ssl, msg, sizeof(msg)) != sizeof(msg))
err_sys("SSL_write failed");
}
else {
ServerEchoData(ssl, clientfd, echoData, throughput);
}
#if defined(WOLFSSL_MDK_SHELL) && defined(HAVE_MDK_RTX)
os_dly_wait(500) ;
#elif defined (CYASSL_TIRTOS)
Task_yield();
#endif
if (dtlsUDP == 0) {
ret = SSL_shutdown(ssl);
if (wc_shutdown && ret == SSL_SHUTDOWN_NOT_DONE)
SSL_shutdown(ssl); /* bidirectional shutdown */
}
/* display collected statistics */
#ifdef WOLFSSL_STATIC_MEMORY
if (wolfSSL_is_static_memory(ssl, &ssl_stats) != 1)
err_sys("static memory was not used with ssl");
fprintf(stderr, "\nprint off SSL memory stats\n");
fprintf(stderr, "*** This is memory state before wolfSSL_free is called\n");
fprintf(stderr, "peak connection memory = %d\n", ssl_stats.peakMem);
fprintf(stderr, "current memory in use = %d\n", ssl_stats.curMem);
fprintf(stderr, "peak connection allocs = %d\n", ssl_stats.peakAlloc);
fprintf(stderr, "current connection allocs = %d\n",ssl_stats.curAlloc);
fprintf(stderr, "total connection allocs = %d\n",ssl_stats.totalAlloc);
fprintf(stderr, "total connection frees = %d\n\n", ssl_stats.totalFr);
#endif
SSL_free(ssl);
CloseSocket(clientfd);
if (resume == 1 && resumeCount == 0) {
resumeCount++; /* only do one resume for testing */
continue;
}
resumeCount = 0;
if(!loopIndefinitely) {
break; /* out of while loop, done with normal and resume option */
}
} /* while(1) */
CloseSocket(sockfd);
SSL_CTX_free(ctx);
((func_args*)args)->return_code = 0;
#if defined(NO_MAIN_DRIVER) && defined(HAVE_ECC) && defined(FP_ECC) \
&& defined(HAVE_THREAD_LS)
ecc_fp_free(); /* free per thread cache */
#endif
#if defined(USE_WOLFSSL_MEMORY) && !defined(WOLFSSL_STATIC_MEMORY)
if (trackMemory)
ShowMemoryTracker();
#endif
#ifdef CYASSL_TIRTOS
fdCloseSession(Task_self());
#endif
#if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \
defined(HAVE_POLY1305)
TicketCleanup();
#endif
#ifdef WOLFSSL_ASYNC_CRYPT
wolfAsync_DevClose(&devId);
#endif
/* There are use cases when these assignments are not read. To avoid
* potential confusion those warnings have been handled here.
*/
(void) ourKey;
(void) verifyCert;
(void) doCliCertCheck;
(void) useNtruKey;
(void) ourDhParam;
(void) ourCert;
(void) trackMemory;
#ifndef CYASSL_TIRTOS
return 0;
#endif
}
/* so overall tests can pull in test function */
#ifndef NO_MAIN_DRIVER
int main(int argc, char** argv)
{
func_args args;
tcp_ready ready;
StartTCP();
args.argc = argc;
args.argv = argv;
args.signal = &ready;
InitTcpReady(&ready);
#if defined(DEBUG_CYASSL) && !defined(WOLFSSL_MDK_SHELL)
CyaSSL_Debugging_ON();
#endif
CyaSSL_Init();
ChangeToWolfRoot();
#ifdef HAVE_STACK_SIZE
StackSizeCheck(&args, server_test);
#else
server_test(&args);
#endif
CyaSSL_Cleanup();
FreeTcpReady(&ready);
#ifdef HAVE_WNR
if (wc_FreeNetRandom() < 0)
err_sys("Failed to free netRandom context");
#endif /* HAVE_WNR */
return args.return_code;
}
int myoptind = 0;
char* myoptarg = NULL;
#endif /* NO_MAIN_DRIVER */
#ifdef CYASSL_CALLBACKS
int srvHandShakeCB(HandShakeInfo* info)
{
(void)info;
return 0;
}
int srvTimeoutCB(TimeoutInfo* info)
{
(void)info;
return 0;
}
#endif
#ifndef NO_HANDSHAKE_DONE_CB
int myHsDoneCb(WOLFSSL* ssl, void* user_ctx)
{
(void)user_ctx;
(void)ssl;
/* printf("Notified HandShake done\n"); */
/* return negative number to end TLS connection now */
return 0;
}
#endif
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