wolfSSL SSL/TLS library, support up to TLS1.3

Dependents:   CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more

Revision:
4:1b0d80432c79
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/test.h	Thu Apr 28 00:57:21 2016 +0000
@@ -0,0 +1,1911 @@
+/* test.h */
+
+#ifndef wolfSSL_TEST_H
+#define wolfSSL_TEST_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <ctype.h>
+#include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/wolfcrypt/error-crypt.h>
+#include <wolfssl/wolfcrypt/random.h>
+#include <wolfssl/mem_track.h>
+
+#ifdef ATOMIC_USER
+    #include <wolfssl/wolfcrypt/aes.h>
+    #include <wolfssl/wolfcrypt/arc4.h>
+    #include <wolfssl/wolfcrypt/hmac.h>
+#endif
+#ifdef HAVE_PK_CALLBACKS
+    #include <wolfssl/wolfcrypt/asn.h>
+    #ifdef HAVE_ECC
+        #include <wolfssl/wolfcrypt/ecc.h>
+    #endif /* HAVE_ECC */
+#endif /*HAVE_PK_CALLBACKS */
+
+#ifdef USE_WINDOWS_API
+    #include <winsock2.h>
+    #include <process.h>
+    #ifdef TEST_IPV6            /* don't require newer SDK for IPV4 */
+        #include <ws2tcpip.h>
+        #include <wspiapi.h>
+    #endif
+    #define SOCKET_T SOCKET
+    #define SNPRINTF _snprintf
+#elif defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
+    #include <string.h>
+    #include "rl_net.h"
+    #define SOCKET_T int
+        typedef int socklen_t ;
+        static unsigned long inet_addr(const char *cp)
+    {
+        unsigned int a[4] ; unsigned long ret ;
+        sscanf(cp, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]) ;
+        ret = ((a[3]<<24) + (a[2]<<16) + (a[1]<<8) + a[0]) ;
+        return(ret) ;
+    }
+        #if defined(HAVE_KEIL_RTX)
+        #define sleep(t) os_dly_wait(t/1000+1) ;
+    #elif defined (WOLFSSL_CMSIS_RTOS)
+        #define sleep(t)  osDelay(t/1000+1) ;
+    #endif
+
+    static int wolfssl_tcp_select(int sd, int timeout)
+    {        return 0 ;  }
+        #define tcp_select(sd,t)   wolfssl_tcp_select(sd, t)  /* avoid conflicting Keil TCP tcp_select */
+#elif defined(WOLFSSL_TIRTOS)
+    #include <string.h>
+    #include <netdb.h>
+    #include <sys/types.h>
+    #include <arpa/inet.h>
+    #include <sys/socket.h>
+    #include <ti/sysbios/knl/Task.h>
+    struct hostent {
+        char *h_name; /* official name of host */
+        char **h_aliases; /* alias list */
+        int h_addrtype; /* host address type */
+        int h_length; /* length of address */
+        char **h_addr_list; /* list of addresses from name server */
+    };
+    #define SOCKET_T int
+#elif defined(WOLFSSL_VXWORKS)
+    #include <hostLib.h>
+    #include <sockLib.h>
+    #include <arpa/inet.h>
+    #include <string.h>
+    #include <selectLib.h>
+    #include <sys/types.h>
+    #include <netinet/in.h>
+    #include <fcntl.h>
+    #include <sys/time.h>
+    #include <netdb.h>
+    #include <pthread.h>
+    #define SOCKET_T int
+#else
+    #include <string.h>
+    #include <sys/types.h>
+#ifndef WOLFSSL_LEANPSK
+    #include <unistd.h>
+    #include <netdb.h>
+    #include <netinet/in.h>
+    #include <netinet/tcp.h>
+    #include <arpa/inet.h>
+    #include <sys/ioctl.h>
+    #include <sys/time.h>
+    #include <sys/socket.h>
+    #include <pthread.h>
+    #include <fcntl.h>
+    #ifdef TEST_IPV6
+        #include <netdb.h>
+    #endif
+#endif
+    #define SOCKET_T int
+    #ifndef SO_NOSIGPIPE
+        #include <signal.h>  /* ignore SIGPIPE */
+    #endif
+    #define SNPRINTF snprintf
+#endif /* USE_WINDOWS_API */
+
+#ifdef HAVE_CAVIUM
+    #include "cavium_sysdep.h"
+    #include "cavium_common.h"
+    #include "cavium_ioctl.h"
+#endif
+
+#ifdef _MSC_VER
+    /* disable conversion warning */
+    /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
+    #pragma warning(disable:4244 4996)
+#endif
+
+/* Buffer for benchmark tests */
+#ifndef TEST_BUFFER_SIZE
+#define TEST_BUFFER_SIZE 16384
+#endif
+
+#ifndef WOLFSSL_HAVE_MIN
+    #define WOLFSSL_HAVE_MIN
+    static INLINE word32 min(word32 a, word32 b)
+    {
+        return a > b ? b : a;
+    }
+#endif /* WOLFSSL_HAVE_MIN */
+
+/* Socket Handling */
+#ifndef WOLFSSL_SOCKET_INVALID
+#ifdef USE_WINDOWS_API
+    #define WOLFSSL_SOCKET_INVALID  ((SOCKET_T)INVALID_SOCKET)
+#elif defined(WOLFSSL_TIRTOS)
+    #define WOLFSSL_SOCKET_INVALID  ((SOCKET_T)-1)
+#else
+    #define WOLFSSL_SOCKET_INVALID  (SOCKET_T)(0)
+#endif
+#endif /* WOLFSSL_SOCKET_INVALID */
+
+#ifndef WOLFSSL_SOCKET_IS_INVALID
+#if defined(USE_WINDOWS_API) || defined(WOLFSSL_TIRTOS)
+    #define WOLFSSL_SOCKET_IS_INVALID(s)  ((SOCKET_T)(s) == WOLFSSL_SOCKET_INVALID)
+#else
+    #define WOLFSSL_SOCKET_IS_INVALID(s)  ((SOCKET_T)(s) < WOLFSSL_SOCKET_INVALID)
+#endif
+#endif /* WOLFSSL_SOCKET_IS_INVALID */
+
+#if defined(__MACH__) || defined(USE_WINDOWS_API)
+    #ifndef _SOCKLEN_T
+        typedef int socklen_t;
+    #endif
+#endif
+
+
+/* HPUX doesn't use socklent_t for third parameter to accept, unless
+   _XOPEN_SOURCE_EXTENDED is defined */
+#if !defined(__hpux__) && !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_IAR_ARM)\
+ && !defined(WOLFSSL_ROWLEY_ARM)  && !defined(WOLFSSL_KEIL_TCP_NET)
+    typedef socklen_t* ACCEPT_THIRD_T;
+#else
+    #if defined _XOPEN_SOURCE_EXTENDED
+        typedef socklen_t* ACCEPT_THIRD_T;
+    #else
+        typedef int*       ACCEPT_THIRD_T;
+    #endif
+#endif
+
+
+#ifdef USE_WINDOWS_API
+    #define CloseSocket(s) closesocket(s)
+    #define StartTCP() { WSADATA wsd; WSAStartup(0x0002, &wsd); }
+#elif defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
+    #define CloseSocket(s) closesocket(s)
+    #define StartTCP()
+#else
+    #define CloseSocket(s) close(s)
+    #define StartTCP()
+#endif
+
+
+#ifdef SINGLE_THREADED
+    typedef unsigned int  THREAD_RETURN;
+    typedef void*         THREAD_TYPE;
+    #define WOLFSSL_THREAD
+#else
+    #if defined(_POSIX_THREADS) && !defined(__MINGW32__)
+        typedef void*         THREAD_RETURN;
+        typedef pthread_t     THREAD_TYPE;
+        #define WOLFSSL_THREAD
+        #define INFINITE -1
+        #define WAIT_OBJECT_0 0L
+    #elif defined(WOLFSSL_MDK_ARM)|| defined(WOLFSSL_KEIL_TCP_NET)
+        typedef unsigned int  THREAD_RETURN;
+        typedef int           THREAD_TYPE;
+        #define WOLFSSL_THREAD
+    #elif defined(WOLFSSL_TIRTOS)
+        typedef void          THREAD_RETURN;
+        typedef Task_Handle   THREAD_TYPE;
+        #define WOLFSSL_THREAD
+    #else
+        typedef unsigned int  THREAD_RETURN;
+        typedef intptr_t      THREAD_TYPE;
+        #define WOLFSSL_THREAD __stdcall
+    #endif
+#endif
+
+
+#ifdef TEST_IPV6
+    typedef struct sockaddr_in6 SOCKADDR_IN_T;
+    #define AF_INET_V    AF_INET6
+#else
+    typedef struct sockaddr_in  SOCKADDR_IN_T;
+    #define AF_INET_V    AF_INET
+#endif
+
+
+#define SERVER_DEFAULT_VERSION 3
+#define SERVER_DTLS_DEFAULT_VERSION (-2)
+#define SERVER_INVALID_VERSION (-99)
+#define CLIENT_DEFAULT_VERSION 3
+#define CLIENT_DTLS_DEFAULT_VERSION (-2)
+#define CLIENT_INVALID_VERSION (-99)
+#if !defined(NO_FILESYSTEM) && defined(WOLFSSL_MAX_STRENGTH)
+    #define DEFAULT_MIN_DHKEY_BITS 2048
+#else
+    #define DEFAULT_MIN_DHKEY_BITS 1024
+#endif
+
+/* all certs relative to wolfSSL home directory now */
+#if defined(WOLFSSL_NO_CURRDIR) || defined(WOLFSSL_MDK_SHELL)
+#define caCert     "certs/ca-cert.pem"
+#define eccCert    "certs/server-ecc.pem"
+#define eccKey     "certs/ecc-key.pem"
+#define svrCert    "certs/server-cert.pem"
+#define svrKey     "certs/server-key.pem"
+#define cliCert    "certs/client-cert.pem"
+#define cliKey     "certs/client-key.pem"
+#define ntruCert   "certs/ntru-cert.pem"
+#define ntruKey    "certs/ntru-key.raw"
+#define dhParam    "certs/dh2048.pem"
+#define cliEccKey  "certs/ecc-client-key.pem"
+#define cliEccCert "certs/client-ecc-cert.pem"
+#define crlPemDir  "certs/crl"
+#else
+#define caCert     "./certs/ca-cert.pem"
+#define eccCert    "./certs/server-ecc.pem"
+#define eccKey     "./certs/ecc-key.pem"
+#define svrCert    "./certs/server-cert.pem"
+#define svrKey     "./certs/server-key.pem"
+#define cliCert    "./certs/client-cert.pem"
+#define cliKey     "./certs/client-key.pem"
+#define ntruCert   "./certs/ntru-cert.pem"
+#define ntruKey    "./certs/ntru-key.raw"
+#define dhParam    "./certs/dh2048.pem"
+#define cliEccKey  "./certs/ecc-client-key.pem"
+#define cliEccCert "./certs/client-ecc-cert.pem"
+#define crlPemDir  "./certs/crl"
+#endif
+
+typedef struct tcp_ready {
+    word16 ready;              /* predicate */
+    word16 port;
+    char*  srfName;     /* server ready file name */
+#if defined(_POSIX_THREADS) && !defined(__MINGW32__)
+    pthread_mutex_t mutex;
+    pthread_cond_t  cond;
+#endif
+} tcp_ready;
+
+
+static INLINE void InitTcpReady(tcp_ready* ready)
+{
+    ready->ready = 0;
+    ready->port = 0;
+    ready->srfName = NULL;
+#ifdef SINGLE_THREADED
+#elif defined(_POSIX_THREADS) && !defined(__MINGW32__)
+      pthread_mutex_init(&ready->mutex, 0);
+      pthread_cond_init(&ready->cond, 0);
+#endif
+}
+
+
+static INLINE void FreeTcpReady(tcp_ready* ready)
+{
+#ifdef SINGLE_THREADED
+    (void)ready;
+#elif defined(_POSIX_THREADS) && !defined(__MINGW32__)
+    pthread_mutex_destroy(&ready->mutex);
+    pthread_cond_destroy(&ready->cond);
+#else
+    (void)ready;
+#endif
+}
+
+typedef WOLFSSL_METHOD* (*method_provider)(void);
+typedef void (*ctx_callback)(WOLFSSL_CTX* ctx);
+typedef void (*ssl_callback)(WOLFSSL* ssl);
+
+typedef struct callback_functions {
+    method_provider method;
+    ctx_callback ctx_ready;
+    ssl_callback ssl_ready;
+    ssl_callback on_result;
+} callback_functions;
+
+typedef struct func_args {
+    int    argc;
+    char** argv;
+    int    return_code;
+    tcp_ready* signal;
+    callback_functions *callbacks;
+} func_args;
+
+
+
+
+void wait_tcp_ready(func_args*);
+
+typedef THREAD_RETURN WOLFSSL_THREAD THREAD_FUNC(void*);
+
+void start_thread(THREAD_FUNC, func_args*, THREAD_TYPE*);
+void join_thread(THREAD_TYPE);
+
+/* wolfSSL */
+#ifndef TEST_IPV6
+    static const char* const wolfSSLIP   = "127.0.0.1";
+#else
+    static const char* const wolfSSLIP   = "::1";
+#endif
+static const word16      wolfSSLPort = 11111;
+
+static INLINE void err_sys(const char* msg)
+{
+    printf("wolfSSL error: %s\n", msg);
+    if (msg)
+        exit(EXIT_FAILURE);
+}
+
+
+#define MY_EX_USAGE 2
+
+extern int   myoptind;
+extern char* myoptarg;
+
+static INLINE int mygetopt(int argc, char** argv, const char* optstring)
+{
+    static char* next = NULL;
+
+    char  c;
+    char* cp;
+
+    if (myoptind == 0)
+        next = NULL;   /* we're starting new/over */
+
+    if (next == NULL || *next == '\0') {
+        if (myoptind == 0)
+            myoptind++;
+
+        if (myoptind >= argc || argv[myoptind][0] != '-' ||
+                                argv[myoptind][1] == '\0') {
+            myoptarg = NULL;
+            if (myoptind < argc)
+                myoptarg = argv[myoptind];
+
+            return -1;
+        }
+
+        if (strcmp(argv[myoptind], "--") == 0) {
+            myoptind++;
+            myoptarg = NULL;
+
+            if (myoptind < argc)
+                myoptarg = argv[myoptind];
+
+            return -1;
+        }
+
+        next = argv[myoptind];
+        next++;                  /* skip - */
+        myoptind++;
+    }
+
+    c  = *next++;
+    /* The C++ strchr can return a different value */
+    cp = (char*)strchr(optstring, c);
+
+    if (cp == NULL || c == ':')
+        return '?';
+
+    cp++;
+
+    if (*cp == ':') {
+        if (*next != '\0') {
+            myoptarg = next;
+            next     = NULL;
+        }
+        else if (myoptind < argc) {
+            myoptarg = argv[myoptind];
+            myoptind++;
+        }
+        else
+            return '?';
+    }
+
+    return c;
+}
+
+
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+
+static INLINE int PasswordCallBack(char* passwd, int sz, int rw, void* userdata)
+{
+    (void)rw;
+    (void)userdata;
+    strncpy(passwd, "yassl123", sz);
+    return 8;
+}
+
+#endif
+
+
+#if defined(KEEP_PEER_CERT) || defined(SESSION_CERTS)
+
+static INLINE void ShowX509(WOLFSSL_X509* x509, const char* hdr)
+{
+    char* altName;
+    char* issuer  = wolfSSL_X509_NAME_oneline(
+                                       wolfSSL_X509_get_issuer_name(x509), 0, 0);
+    char* subject = wolfSSL_X509_NAME_oneline(
+                                      wolfSSL_X509_get_subject_name(x509), 0, 0);
+    byte  serial[32];
+    int   ret;
+    int   sz = sizeof(serial);
+
+    printf("%s\n issuer : %s\n subject: %s\n", hdr, issuer, subject);
+
+    while ( (altName = wolfSSL_X509_get_next_altname(x509)) != NULL)
+        printf(" altname = %s\n", altName);
+
+    ret = wolfSSL_X509_get_serial_number(x509, serial, &sz);
+    if (ret == SSL_SUCCESS) {
+        int  i;
+        int  strLen;
+        char serialMsg[80];
+
+        /* testsuite has multiple threads writing to stdout, get output
+           message ready to write once */
+        strLen = sprintf(serialMsg, " serial number");
+        for (i = 0; i < sz; i++)
+            sprintf(serialMsg + strLen + (i*3), ":%02x ", serial[i]);
+        printf("%s\n", serialMsg);
+    }
+
+    XFREE(subject, 0, DYNAMIC_TYPE_OPENSSL);
+    XFREE(issuer,  0, DYNAMIC_TYPE_OPENSSL);
+}
+
+#endif /* KEEP_PEER_CERT || SESSION_CERTS */
+
+
+static INLINE void showPeer(WOLFSSL* ssl)
+{
+
+    WOLFSSL_CIPHER* cipher;
+#ifdef KEEP_PEER_CERT
+    WOLFSSL_X509* peer = wolfSSL_get_peer_certificate(ssl);
+    if (peer)
+        ShowX509(peer, "peer's cert info:");
+    else
+        printf("peer has no cert!\n");
+    wolfSSL_FreeX509(peer);
+#endif
+    printf("SSL version is %s\n", wolfSSL_get_version(ssl));
+
+    cipher = wolfSSL_get_current_cipher(ssl);
+#ifdef HAVE_QSH
+    printf("SSL cipher suite is %s%s\n", (wolfSSL_isQSH(ssl))? "QSH:": "",
+            wolfSSL_CIPHER_get_name(cipher));
+#else
+    printf("SSL cipher suite is %s\n", wolfSSL_CIPHER_get_name(cipher));
+#endif
+
+#if defined(SESSION_CERTS) && defined(SHOW_CERTS)
+    {
+        WOLFSSL_X509_CHAIN* chain = wolfSSL_get_peer_chain(ssl);
+        int                count = wolfSSL_get_chain_count(chain);
+        int i;
+
+        for (i = 0; i < count; i++) {
+            int length;
+            unsigned char buffer[3072];
+            WOLFSSL_X509* chainX509;
+
+            wolfSSL_get_chain_cert_pem(chain,i,buffer, sizeof(buffer), &length);
+            buffer[length] = 0;
+            printf("cert %d has length %d data = \n%s\n", i, length, buffer);
+
+            chainX509 = wolfSSL_get_chain_X509(chain, i);
+            if (chainX509)
+                ShowX509(chainX509, "session cert info:");
+            else
+                printf("get_chain_X509 failed\n");
+            wolfSSL_FreeX509(chainX509);
+        }
+    }
+#endif
+  (void)ssl;
+}
+
+
+static INLINE void build_addr(SOCKADDR_IN_T* addr, const char* peer,
+                              word16 port, int udp)
+{
+    int useLookup = 0;
+    (void)useLookup;
+    (void)udp;
+
+    if (addr == NULL)
+        err_sys("invalid argument to build_addr, addr is NULL");
+
+    memset(addr, 0, sizeof(SOCKADDR_IN_T));
+
+#ifndef TEST_IPV6
+    /* peer could be in human readable form */
+    if ( (peer != INADDR_ANY) && isalpha((int)peer[0])) {
+        #if defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
+            int err;
+            struct hostent* entry = gethostbyname(peer, &err);
+        #elif defined(WOLFSSL_TIRTOS)
+            struct hostent* entry = DNSGetHostByName(peer);
+        #elif defined(WOLFSSL_VXWORKS)
+            struct hostent* entry = (struct hostent*)hostGetByName((char*)peer);
+        #else
+            struct hostent* entry = gethostbyname(peer);
+        #endif
+
+        if (entry) {
+            memcpy(&addr->sin_addr.s_addr, entry->h_addr_list[0],
+                   entry->h_length);
+            useLookup = 1;
+        }
+        else
+            err_sys("no entry for host");
+    }
+#endif
+
+
+#ifndef TEST_IPV6
+    #if defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
+        addr->sin_family = PF_INET;
+    #else
+        addr->sin_family = AF_INET_V;
+    #endif
+    addr->sin_port = htons(port);
+    if (peer == INADDR_ANY)
+        addr->sin_addr.s_addr = INADDR_ANY;
+    else {
+        if (!useLookup)
+            addr->sin_addr.s_addr = inet_addr(peer);
+    }
+#else
+    addr->sin6_family = AF_INET_V;
+    addr->sin6_port = htons(port);
+    if (peer == INADDR_ANY)
+        addr->sin6_addr = in6addr_any;
+    else {
+        #ifdef HAVE_GETADDRINFO
+            struct addrinfo  hints;
+            struct addrinfo* answer = NULL;
+            int    ret;
+            char   strPort[80];
+
+            memset(&hints, 0, sizeof(hints));
+
+            hints.ai_family   = AF_INET_V;
+            hints.ai_socktype = udp ? SOCK_DGRAM : SOCK_STREAM;
+            hints.ai_protocol = udp ? IPPROTO_UDP : IPPROTO_TCP;
+
+            SNPRINTF(strPort, sizeof(strPort), "%d", port);
+            strPort[79] = '\0';
+
+            ret = getaddrinfo(peer, strPort, &hints, &answer);
+            if (ret < 0 || answer == NULL)
+                err_sys("getaddrinfo failed");
+
+            memcpy(addr, answer->ai_addr, answer->ai_addrlen);
+            freeaddrinfo(answer);
+        #else
+            printf("no ipv6 getaddrinfo, loopback only tests/examples\n");
+            addr->sin6_addr = in6addr_loopback;
+        #endif
+    }
+#endif
+}
+
+
+static INLINE void tcp_socket(SOCKET_T* sockfd, int udp)
+{
+    if (udp)
+        *sockfd = socket(AF_INET_V, SOCK_DGRAM, 0);
+    else
+        *sockfd = socket(AF_INET_V, SOCK_STREAM, 0);
+
+    if(WOLFSSL_SOCKET_IS_INVALID(*sockfd)) {
+        err_sys("socket failed\n");
+    }
+
+#ifndef USE_WINDOWS_API
+#ifdef SO_NOSIGPIPE
+    {
+        int       on = 1;
+        socklen_t len = sizeof(on);
+        int       res = setsockopt(*sockfd, SOL_SOCKET, SO_NOSIGPIPE, &on, len);
+        if (res < 0)
+            err_sys("setsockopt SO_NOSIGPIPE failed\n");
+    }
+#elif defined(WOLFSSL_MDK_ARM) || defined (WOLFSSL_TIRTOS) ||\
+                                          defined(WOLFSSL_KEIL_TCP_NET)
+    /* nothing to define */
+#else  /* no S_NOSIGPIPE */
+    signal(SIGPIPE, SIG_IGN);
+#endif /* S_NOSIGPIPE */
+
+#if defined(TCP_NODELAY)
+    if (!udp)
+    {
+        int       on = 1;
+        socklen_t len = sizeof(on);
+        int       res = setsockopt(*sockfd, IPPROTO_TCP, TCP_NODELAY, &on, len);
+        if (res < 0)
+            err_sys("setsockopt TCP_NODELAY failed\n");
+    }
+#endif
+#endif  /* USE_WINDOWS_API */
+}
+
+static INLINE void tcp_connect(SOCKET_T* sockfd, const char* ip, word16 port,
+                               int udp, WOLFSSL* ssl)
+{
+    SOCKADDR_IN_T addr;
+    build_addr(&addr, ip, port, udp);
+    if(udp) {
+        wolfSSL_dtls_set_peer(ssl, &addr, sizeof(addr));
+    }
+    tcp_socket(sockfd, udp);
+
+    if (!udp) {
+        if (connect(*sockfd, (const struct sockaddr*)&addr, sizeof(addr)) != 0)
+            err_sys("tcp connect failed");
+    }
+}
+
+
+static INLINE void udp_connect(SOCKET_T* sockfd, void* addr, int addrSz)
+{
+    if (connect(*sockfd, (const struct sockaddr*)addr, addrSz) != 0)
+        err_sys("tcp connect failed");
+}
+
+
+enum {
+    TEST_SELECT_FAIL,
+    TEST_TIMEOUT,
+    TEST_RECV_READY,
+    TEST_ERROR_READY
+};
+
+
+#if !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_KEIL_TCP_NET) && \
+                                 !defined(WOLFSSL_TIRTOS)
+static INLINE int tcp_select(SOCKET_T socketfd, int to_sec)
+{
+    fd_set recvfds, errfds;
+    SOCKET_T nfds = socketfd + 1;
+    struct timeval timeout = { (to_sec > 0) ? to_sec : 0, 0};
+    int result;
+
+    FD_ZERO(&recvfds);
+    FD_SET(socketfd, &recvfds);
+    FD_ZERO(&errfds);
+    FD_SET(socketfd, &errfds);
+
+    result = select(nfds, &recvfds, NULL, &errfds, &timeout);
+
+    if (result == 0)
+        return TEST_TIMEOUT;
+    else if (result > 0) {
+        if (FD_ISSET(socketfd, &recvfds))
+            return TEST_RECV_READY;
+        else if(FD_ISSET(socketfd, &errfds))
+            return TEST_ERROR_READY;
+    }
+
+    return TEST_SELECT_FAIL;
+}
+#elif defined(WOLFSSL_TIRTOS)
+static INLINE int tcp_select(SOCKET_T socketfd, int to_sec)
+{
+    return TEST_RECV_READY;
+}
+#endif /* !WOLFSSL_MDK_ARM */
+
+
+static INLINE void tcp_listen(SOCKET_T* sockfd, word16* port, int useAnyAddr,
+                              int udp)
+{
+    SOCKADDR_IN_T addr;
+
+    /* don't use INADDR_ANY by default, firewall may block, make user switch
+       on */
+    build_addr(&addr, (useAnyAddr ? INADDR_ANY : wolfSSLIP), *port, udp);
+    tcp_socket(sockfd, udp);
+
+#if !defined(USE_WINDOWS_API) && !defined(WOLFSSL_MDK_ARM)\
+                              && !defined(WOLFSSL_KEIL_TCP_NET)
+    {
+        int       res, on  = 1;
+        socklen_t len = sizeof(on);
+        res = setsockopt(*sockfd, SOL_SOCKET, SO_REUSEADDR, &on, len);
+        if (res < 0)
+            err_sys("setsockopt SO_REUSEADDR failed\n");
+    }
+#endif
+
+    if (bind(*sockfd, (const struct sockaddr*)&addr, sizeof(addr)) != 0)
+        err_sys("tcp bind failed");
+    if (!udp) {
+        if (listen(*sockfd, 5) != 0)
+            err_sys("tcp listen failed");
+    }
+    #if !defined(USE_WINDOWS_API) && !defined(WOLFSSL_TIRTOS)
+        if (*port == 0) {
+            socklen_t len = sizeof(addr);
+            if (getsockname(*sockfd, (struct sockaddr*)&addr, &len) == 0) {
+                #ifndef TEST_IPV6
+                    *port = ntohs(addr.sin_port);
+                #else
+                    *port = ntohs(addr.sin6_port);
+                #endif
+            }
+        }
+    #endif
+}
+
+
+#if 0
+static INLINE int udp_read_connect(SOCKET_T sockfd)
+{
+    SOCKADDR_IN_T cliaddr;
+    byte          b[1500];
+    int           n;
+    socklen_t     len = sizeof(cliaddr);
+
+    n = (int)recvfrom(sockfd, (char*)b, sizeof(b), MSG_PEEK,
+                      (struct sockaddr*)&cliaddr, &len);
+    if (n > 0) {
+        if (connect(sockfd, (const struct sockaddr*)&cliaddr,
+                    sizeof(cliaddr)) != 0)
+            err_sys("udp connect failed");
+    }
+    else
+        err_sys("recvfrom failed");
+
+    return sockfd;
+}
+#endif
+
+static INLINE void udp_accept(SOCKET_T* sockfd, SOCKET_T* clientfd,
+                              int useAnyAddr, word16 port, func_args* args)
+{
+    SOCKADDR_IN_T addr;
+
+    (void)args;
+    build_addr(&addr, (useAnyAddr ? INADDR_ANY : wolfSSLIP), port, 1);
+    tcp_socket(sockfd, 1);
+
+
+#if !defined(USE_WINDOWS_API) && !defined(WOLFSSL_MDK_ARM) \
+                              && !defined(WOLFSSL_KEIL_TCP_NET)
+    {
+        int       res, on  = 1;
+        socklen_t len = sizeof(on);
+        res = setsockopt(*sockfd, SOL_SOCKET, SO_REUSEADDR, &on, len);
+        if (res < 0)
+            err_sys("setsockopt SO_REUSEADDR failed\n");
+    }
+#endif
+
+    if (bind(*sockfd, (const struct sockaddr*)&addr, sizeof(addr)) != 0)
+        err_sys("tcp bind failed");
+
+    #if (defined(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API)) && !defined(WOLFSSL_TIRTOS)
+        if (port == 0) {
+            socklen_t len = sizeof(addr);
+            if (getsockname(*sockfd, (struct sockaddr*)&addr, &len) == 0) {
+                #ifndef TEST_IPV6
+                    port = ntohs(addr.sin_port);
+                #else
+                    port = ntohs(addr.sin6_port);
+                #endif
+            }
+        }
+    #endif
+
+#if defined(_POSIX_THREADS) && defined(NO_MAIN_DRIVER) && !defined(__MINGW32__)
+    /* signal ready to accept data */
+    {
+    tcp_ready* ready = args->signal;
+    pthread_mutex_lock(&ready->mutex);
+    ready->ready = 1;
+    ready->port = port;
+    pthread_cond_signal(&ready->cond);
+    pthread_mutex_unlock(&ready->mutex);
+    }
+#elif defined (WOLFSSL_TIRTOS)
+    /* Need mutex? */
+    tcp_ready* ready = args->signal;
+    ready->ready = 1;
+    ready->port = port;
+#endif
+
+    *clientfd = *sockfd;
+}
+
+static INLINE void tcp_accept(SOCKET_T* sockfd, SOCKET_T* clientfd,
+                              func_args* args, word16 port, int useAnyAddr,
+                              int udp, int ready_file, int do_listen)
+{
+    SOCKADDR_IN_T client;
+    socklen_t client_len = sizeof(client);
+    tcp_ready* ready = NULL;
+
+    (void) ready; /* Account for case when "ready" is not used */
+
+    if (udp) {
+        udp_accept(sockfd, clientfd, useAnyAddr, port, args);
+        return;
+    }
+
+    if(do_listen) {
+        tcp_listen(sockfd, &port, useAnyAddr, udp);
+
+    #if defined(_POSIX_THREADS) && defined(NO_MAIN_DRIVER) && !defined(__MINGW32__)
+        /* signal ready to tcp_accept */
+        if (args)
+            ready = args->signal;
+        if (ready) {
+            pthread_mutex_lock(&ready->mutex);
+            ready->ready = 1;
+            ready->port = port;
+            pthread_cond_signal(&ready->cond);
+            pthread_mutex_unlock(&ready->mutex);
+        }
+    #elif defined (WOLFSSL_TIRTOS)
+        /* Need mutex? */
+        if (args)
+            ready = args->signal;
+        if (ready) {
+            ready->ready = 1;
+            ready->port = port;
+        }
+    #endif
+
+        if (ready_file) {
+        #ifndef NO_FILESYSTEM
+            FILE* srf = NULL;
+            if (args)
+                ready = args->signal;
+
+            if (ready) {
+                srf = fopen(ready->srfName, "w");
+
+                if (srf) {
+                    /* let's write port sever is listening on to ready file
+                       external monitor can then do ephemeral ports by passing
+                       -p 0 to server on supported platforms with -R ready_file
+                       client can then wait for existence of ready_file and see
+                       which port the server is listening on. */
+                    fprintf(srf, "%d\n", (int)port);
+                    fclose(srf);
+                }
+            }
+        #endif
+        }
+    }
+
+    *clientfd = accept(*sockfd, (struct sockaddr*)&client,
+                      (ACCEPT_THIRD_T)&client_len);
+    if(WOLFSSL_SOCKET_IS_INVALID(*clientfd)) {
+        err_sys("tcp accept failed");
+    }
+}
+
+
+static INLINE void tcp_set_nonblocking(SOCKET_T* sockfd)
+{
+    #ifdef USE_WINDOWS_API
+        unsigned long blocking = 1;
+        int ret = ioctlsocket(*sockfd, FIONBIO, &blocking);
+        if (ret == SOCKET_ERROR)
+            err_sys("ioctlsocket failed");
+    #elif defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET) \
+        || defined (WOLFSSL_TIRTOS)|| defined(WOLFSSL_VXWORKS)
+         /* non blocking not supported, for now */
+    #else
+        int flags = fcntl(*sockfd, F_GETFL, 0);
+        if (flags < 0)
+            err_sys("fcntl get failed");
+        flags = fcntl(*sockfd, F_SETFL, flags | O_NONBLOCK);
+        if (flags < 0)
+            err_sys("fcntl set failed");
+    #endif
+}
+
+
+#ifndef NO_PSK
+
+static INLINE unsigned int my_psk_client_cb(WOLFSSL* ssl, const char* hint,
+        char* identity, unsigned int id_max_len, unsigned char* key,
+        unsigned int key_max_len)
+{
+    (void)ssl;
+    (void)hint;
+    (void)key_max_len;
+
+    /* identity is OpenSSL testing default for openssl s_client, keep same */
+    strncpy(identity, "Client_identity", id_max_len);
+
+
+    /* test key in hex is 0x1a2b3c4d , in decimal 439,041,101 , we're using
+       unsigned binary */
+    key[0] = 26;
+    key[1] = 43;
+    key[2] = 60;
+    key[3] = 77;
+
+    return 4;   /* length of key in octets or 0 for error */
+}
+
+
+static INLINE unsigned int my_psk_server_cb(WOLFSSL* ssl, const char* identity,
+        unsigned char* key, unsigned int key_max_len)
+{
+    (void)ssl;
+    (void)key_max_len;
+
+    /* identity is OpenSSL testing default for openssl s_client, keep same */
+    if (strncmp(identity, "Client_identity", 15) != 0)
+        return 0;
+
+    /* test key in hex is 0x1a2b3c4d , in decimal 439,041,101 , we're using
+       unsigned binary */
+    key[0] = 26;
+    key[1] = 43;
+    key[2] = 60;
+    key[3] = 77;
+
+    return 4;   /* length of key in octets or 0 for error */
+}
+
+#endif /* NO_PSK */
+
+
+#ifdef USE_WINDOWS_API
+
+    #define WIN32_LEAN_AND_MEAN
+    #include <windows.h>
+
+    static INLINE double current_time()
+    {
+        static int init = 0;
+        static LARGE_INTEGER freq;
+
+        LARGE_INTEGER count;
+
+        if (!init) {
+            QueryPerformanceFrequency(&freq);
+            init = 1;
+        }
+
+        QueryPerformanceCounter(&count);
+
+        return (double)count.QuadPart / freq.QuadPart;
+    }
+
+#elif defined(WOLFSSL_TIRTOS)
+    extern double current_time();
+#else
+
+#if !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_KEIL_TCP_NET)
+    #include <sys/time.h>
+
+    static INLINE double current_time(void)
+    {
+        struct timeval tv;
+        gettimeofday(&tv, 0);
+
+        return (double)tv.tv_sec + (double)tv.tv_usec / 1000000;
+    }
+
+#endif
+#endif /* USE_WINDOWS_API */
+
+
+#if defined(NO_FILESYSTEM) && !defined(NO_CERTS)
+
+    enum {
+        WOLFSSL_CA   = 1,
+        WOLFSSL_CERT = 2,
+        WOLFSSL_KEY  = 3
+    };
+
+    static INLINE void load_buffer(WOLFSSL_CTX* ctx, const char* fname, int type)
+    {
+        /* test buffer load */
+        long  sz = 0;
+        byte  buff[10000];
+        FILE* file = fopen(fname, "rb");
+
+        if (!file)
+            err_sys("can't open file for buffer load "
+                    "Please run from wolfSSL home directory if not");
+        fseek(file, 0, SEEK_END);
+        sz = ftell(file);
+        rewind(file);
+        fread(buff, sizeof(buff), 1, file);
+
+        if (type == WOLFSSL_CA) {
+            if (wolfSSL_CTX_load_verify_buffer(ctx, buff, sz, SSL_FILETYPE_PEM)
+                                              != SSL_SUCCESS)
+                err_sys("can't load buffer ca file");
+        }
+        else if (type == WOLFSSL_CERT) {
+            if (wolfSSL_CTX_use_certificate_buffer(ctx, buff, sz,
+                        SSL_FILETYPE_PEM) != SSL_SUCCESS)
+                err_sys("can't load buffer cert file");
+        }
+        else if (type == WOLFSSL_KEY) {
+            if (wolfSSL_CTX_use_PrivateKey_buffer(ctx, buff, sz,
+                        SSL_FILETYPE_PEM) != SSL_SUCCESS)
+                err_sys("can't load buffer key file");
+        }
+        fclose(file);
+    }
+
+#endif /* NO_FILESYSTEM */
+
+#ifdef VERIFY_CALLBACK
+
+static INLINE int myVerify(int preverify, WOLFSSL_X509_STORE_CTX* store)
+{
+    (void)preverify;
+    char buffer[WOLFSSL_MAX_ERROR_SZ];
+
+#ifdef OPENSSL_EXTRA
+    WOLFSSL_X509* peer;
+#endif
+
+    printf("In verification callback, error = %d, %s\n", store->error,
+                                 wolfSSL_ERR_error_string(store->error, buffer));
+#ifdef OPENSSL_EXTRA
+    peer = store->current_cert;
+    if (peer) {
+        char* issuer  = wolfSSL_X509_NAME_oneline(
+                                       wolfSSL_X509_get_issuer_name(peer), 0, 0);
+        char* subject = wolfSSL_X509_NAME_oneline(
+                                      wolfSSL_X509_get_subject_name(peer), 0, 0);
+        printf("peer's cert info:\n issuer : %s\n subject: %s\n", issuer,
+                                                                  subject);
+        XFREE(subject, 0, DYNAMIC_TYPE_OPENSSL);
+        XFREE(issuer,  0, DYNAMIC_TYPE_OPENSSL);
+    }
+    else
+        printf("peer has no cert!\n");
+#endif
+    printf("Subject's domain name is %s\n", store->domain);
+
+    printf("Allowing to continue anyway (shouldn't do this, EVER!!!)\n");
+    return 1;
+}
+
+#endif /* VERIFY_CALLBACK */
+
+
+static INLINE int myDateCb(int preverify, WOLFSSL_X509_STORE_CTX* store)
+{
+    char buffer[WOLFSSL_MAX_ERROR_SZ];
+    (void)preverify;
+
+    printf("In verification callback, error = %d, %s\n", store->error,
+                                 wolfSSL_ERR_error_string(store->error, buffer));
+    printf("Subject's domain name is %s\n", store->domain);
+
+    if (store->error == ASN_BEFORE_DATE_E || store->error == ASN_AFTER_DATE_E) {
+        printf("Overriding cert date error as example for bad clock testing\n");
+        return 1;
+    }
+    printf("Cert error is not date error, not overriding\n");
+
+    return 0;
+}
+
+
+#ifdef HAVE_CRL
+
+static INLINE void CRL_CallBack(const char* url)
+{
+    printf("CRL callback url = %s\n", url);
+}
+
+#endif
+
+#ifndef NO_DH
+static INLINE void SetDH(WOLFSSL* ssl)
+{
+    /* dh1024 p */
+    static unsigned char p[] =
+    {
+        0xE6, 0x96, 0x9D, 0x3D, 0x49, 0x5B, 0xE3, 0x2C, 0x7C, 0xF1, 0x80, 0xC3,
+        0xBD, 0xD4, 0x79, 0x8E, 0x91, 0xB7, 0x81, 0x82, 0x51, 0xBB, 0x05, 0x5E,
+        0x2A, 0x20, 0x64, 0x90, 0x4A, 0x79, 0xA7, 0x70, 0xFA, 0x15, 0xA2, 0x59,
+        0xCB, 0xD5, 0x23, 0xA6, 0xA6, 0xEF, 0x09, 0xC4, 0x30, 0x48, 0xD5, 0xA2,
+        0x2F, 0x97, 0x1F, 0x3C, 0x20, 0x12, 0x9B, 0x48, 0x00, 0x0E, 0x6E, 0xDD,
+        0x06, 0x1C, 0xBC, 0x05, 0x3E, 0x37, 0x1D, 0x79, 0x4E, 0x53, 0x27, 0xDF,
+        0x61, 0x1E, 0xBB, 0xBE, 0x1B, 0xAC, 0x9B, 0x5C, 0x60, 0x44, 0xCF, 0x02,
+        0x3D, 0x76, 0xE0, 0x5E, 0xEA, 0x9B, 0xAD, 0x99, 0x1B, 0x13, 0xA6, 0x3C,
+        0x97, 0x4E, 0x9E, 0xF1, 0x83, 0x9E, 0xB5, 0xDB, 0x12, 0x51, 0x36, 0xF7,
+        0x26, 0x2E, 0x56, 0xA8, 0x87, 0x15, 0x38, 0xDF, 0xD8, 0x23, 0xC6, 0x50,
+        0x50, 0x85, 0xE2, 0x1F, 0x0D, 0xD5, 0xC8, 0x6B,
+    };
+
+    /* dh1024 g */
+    static unsigned char g[] =
+    {
+      0x02,
+    };
+
+    wolfSSL_SetTmpDH(ssl, p, sizeof(p), g, sizeof(g));
+}
+
+static INLINE void SetDHCtx(WOLFSSL_CTX* ctx)
+{
+    /* dh1024 p */
+    static unsigned char p[] =
+    {
+        0xE6, 0x96, 0x9D, 0x3D, 0x49, 0x5B, 0xE3, 0x2C, 0x7C, 0xF1, 0x80, 0xC3,
+        0xBD, 0xD4, 0x79, 0x8E, 0x91, 0xB7, 0x81, 0x82, 0x51, 0xBB, 0x05, 0x5E,
+        0x2A, 0x20, 0x64, 0x90, 0x4A, 0x79, 0xA7, 0x70, 0xFA, 0x15, 0xA2, 0x59,
+        0xCB, 0xD5, 0x23, 0xA6, 0xA6, 0xEF, 0x09, 0xC4, 0x30, 0x48, 0xD5, 0xA2,
+        0x2F, 0x97, 0x1F, 0x3C, 0x20, 0x12, 0x9B, 0x48, 0x00, 0x0E, 0x6E, 0xDD,
+        0x06, 0x1C, 0xBC, 0x05, 0x3E, 0x37, 0x1D, 0x79, 0x4E, 0x53, 0x27, 0xDF,
+        0x61, 0x1E, 0xBB, 0xBE, 0x1B, 0xAC, 0x9B, 0x5C, 0x60, 0x44, 0xCF, 0x02,
+        0x3D, 0x76, 0xE0, 0x5E, 0xEA, 0x9B, 0xAD, 0x99, 0x1B, 0x13, 0xA6, 0x3C,
+        0x97, 0x4E, 0x9E, 0xF1, 0x83, 0x9E, 0xB5, 0xDB, 0x12, 0x51, 0x36, 0xF7,
+        0x26, 0x2E, 0x56, 0xA8, 0x87, 0x15, 0x38, 0xDF, 0xD8, 0x23, 0xC6, 0x50,
+        0x50, 0x85, 0xE2, 0x1F, 0x0D, 0xD5, 0xC8, 0x6B,
+    };
+
+    /* dh1024 g */
+    static unsigned char g[] =
+    {
+      0x02,
+    };
+
+    wolfSSL_CTX_SetTmpDH(ctx, p, sizeof(p), g, sizeof(g));
+}
+#endif /* NO_DH */
+
+#ifndef NO_CERTS
+
+static INLINE void CaCb(unsigned char* der, int sz, int type)
+{
+    (void)der;
+    printf("Got CA cache add callback, derSz = %d, type = %d\n", sz, type);
+}
+
+#endif /* !NO_CERTS */
+
+#ifdef HAVE_CAVIUM
+
+static INLINE int OpenNitroxDevice(int dma_mode,int dev_id)
+{
+   Csp1CoreAssignment core_assign;
+   Uint32             device;
+
+   if (CspInitialize(CAVIUM_DIRECT,CAVIUM_DEV_ID))
+      return -1;
+   if (Csp1GetDevType(&device))
+      return -1;
+   if (device != NPX_DEVICE) {
+      if (ioctl(gpkpdev_hdlr[CAVIUM_DEV_ID], IOCTL_CSP1_GET_CORE_ASSIGNMENT,
+                (Uint32 *)&core_assign)!= 0)
+         return -1;
+   }
+   CspShutdown(CAVIUM_DEV_ID);
+
+   return CspInitialize(dma_mode, dev_id);
+}
+
+#endif /* HAVE_CAVIUM */
+
+
+/* Wolf Root Directory Helper */
+/* KEIL-RL File System does not support relative directory */
+#if !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_KEIL_FS) && !defined(WOLFSSL_TIRTOS)
+    #ifndef MAX_PATH
+        #define MAX_PATH 256
+    #endif
+
+    /* Maximum depth to search for WolfSSL root */
+    #define MAX_WOLF_ROOT_DEPTH 5
+
+    static INLINE int ChangeToWolfRoot(void)
+    {
+        #if !defined(NO_FILESYSTEM) 
+            int depth, res;
+            XFILE file;
+            for(depth = 0; depth <= MAX_WOLF_ROOT_DEPTH; depth++) {
+                file = XFOPEN(ntruKey, "rb");
+                if (file != XBADFILE) {
+                    XFCLOSE(file);
+                    return depth;
+                }
+            #ifdef USE_WINDOWS_API
+                res = SetCurrentDirectoryA("..\\");
+            #else
+                res = chdir("../");
+            #endif
+                if (res < 0) {
+                    printf("chdir to ../ failed!\n");
+                    break;
+                }
+            }
+        
+            err_sys("wolf root not found");
+            return -1;
+        #else
+            return 0;
+        #endif
+    }
+#endif /* !defined(WOLFSSL_MDK_ARM) && !defined(WOLFSSL_KEIL_FS) && !defined(WOLFSSL_TIRTOS) */
+
+#ifdef HAVE_STACK_SIZE
+
+typedef THREAD_RETURN WOLFSSL_THREAD (*thread_func)(void* args);
+
+
+static INLINE void StackSizeCheck(func_args* args, thread_func tf)
+{
+    int            ret, i, used;
+    unsigned char* myStack = NULL;
+    int            stackSize = 1024*128;
+    pthread_attr_t myAttr;
+    pthread_t      threadId;
+
+#ifdef PTHREAD_STACK_MIN
+    if (stackSize < PTHREAD_STACK_MIN)
+        stackSize = PTHREAD_STACK_MIN;
+#endif
+
+    ret = posix_memalign((void**)&myStack, sysconf(_SC_PAGESIZE), stackSize);
+    if (ret != 0 || myStack == NULL)
+        err_sys("posix_memalign failed\n");
+
+    XMEMSET(myStack, 0x01, stackSize);
+
+    ret = pthread_attr_init(&myAttr);
+    if (ret != 0)
+        err_sys("attr_init failed");
+
+    ret = pthread_attr_setstack(&myAttr, myStack, stackSize);
+    if (ret != 0)
+        err_sys("attr_setstackaddr failed");
+
+    ret = pthread_create(&threadId, &myAttr, tf, args);
+    if (ret != 0) {
+        perror("pthread_create failed");
+        exit(EXIT_FAILURE);
+    }
+
+    ret = pthread_join(threadId, NULL);
+    if (ret != 0)
+        err_sys("pthread_join failed");
+
+    for (i = 0; i < stackSize; i++) {
+        if (myStack[i] != 0x01) {
+            break;
+        }
+    }
+
+    used = stackSize - i;
+    printf("stack used = %d\n", used);
+}
+
+
+#endif /* HAVE_STACK_SIZE */
+
+
+#ifdef STACK_TRAP
+
+/* good settings
+   --enable-debug --disable-shared C_EXTRA_FLAGS="-DUSER_TIME -DTFM_TIMING_RESISTANT -DPOSITIVE_EXP_ONLY -DSTACK_TRAP"
+
+*/
+
+#ifdef HAVE_STACK_SIZE
+    /* client only for now, setrlimit will fail if pthread_create() called */
+    /* STACK_SIZE does pthread_create() on client */
+    #error "can't use STACK_TRAP with STACK_SIZE, setrlimit will fail"
+#endif /* HAVE_STACK_SIZE */
+
+static INLINE void StackTrap(void)
+{
+    struct rlimit  rl;
+    if (getrlimit(RLIMIT_STACK, &rl) != 0)
+        err_sys("getrlimit failed");
+    printf("rlim_cur = %llu\n", rl.rlim_cur);
+    rl.rlim_cur = 1024*21;  /* adjust trap size here */
+    if (setrlimit(RLIMIT_STACK, &rl) != 0) {
+        perror("setrlimit");
+        err_sys("setrlimit failed");
+    }
+}
+
+#else /* STACK_TRAP */
+
+static INLINE void StackTrap(void)
+{
+}
+
+#endif /* STACK_TRAP */
+
+
+#ifdef ATOMIC_USER
+
+/* Atomic Encrypt Context example */
+typedef struct AtomicEncCtx {
+    int  keySetup;           /* have we done key setup yet */
+    Aes  aes;                /* for aes example */
+} AtomicEncCtx;
+
+
+/* Atomic Decrypt Context example */
+typedef struct AtomicDecCtx {
+    int  keySetup;           /* have we done key setup yet */
+    Aes  aes;                /* for aes example */
+} AtomicDecCtx;
+
+
+static INLINE int myMacEncryptCb(WOLFSSL* ssl, unsigned char* macOut,
+       const unsigned char* macIn, unsigned int macInSz, int macContent,
+       int macVerify, unsigned char* encOut, const unsigned char* encIn,
+       unsigned int encSz, void* ctx)
+{
+    int  ret;
+    Hmac hmac;
+    byte myInner[WOLFSSL_TLS_HMAC_INNER_SZ];
+    AtomicEncCtx* encCtx = (AtomicEncCtx*)ctx;
+    const char* tlsStr = "TLS";
+
+    /* example supports (d)tls aes */
+    if (wolfSSL_GetBulkCipher(ssl) != wolfssl_aes) {
+        printf("myMacEncryptCb not using AES\n");
+        return -1;
+    }
+
+    if (strstr(wolfSSL_get_version(ssl), tlsStr) == NULL) {
+        printf("myMacEncryptCb not using (D)TLS\n");
+        return -1;
+    }
+
+    /* hmac, not needed if aead mode */
+    wolfSSL_SetTlsHmacInner(ssl, myInner, macInSz, macContent, macVerify);
+
+    ret = wc_HmacSetKey(&hmac, wolfSSL_GetHmacType(ssl),
+               wolfSSL_GetMacSecret(ssl, macVerify), wolfSSL_GetHmacSize(ssl));
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacUpdate(&hmac, myInner, sizeof(myInner));
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacUpdate(&hmac, macIn, macInSz);
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacFinal(&hmac, macOut);
+    if (ret != 0)
+        return ret;
+
+
+    /* encrypt setup on first time */
+    if (encCtx->keySetup == 0) {
+        int   keyLen = wolfSSL_GetKeySize(ssl);
+        const byte* key;
+        const byte* iv;
+
+        if (wolfSSL_GetSide(ssl) == WOLFSSL_CLIENT_END) {
+            key = wolfSSL_GetClientWriteKey(ssl);
+            iv  = wolfSSL_GetClientWriteIV(ssl);
+        }
+        else {
+            key = wolfSSL_GetServerWriteKey(ssl);
+            iv  = wolfSSL_GetServerWriteIV(ssl);
+        }
+
+        ret = wc_AesSetKey(&encCtx->aes, key, keyLen, iv, AES_ENCRYPTION);
+        if (ret != 0) {
+            printf("AesSetKey failed in myMacEncryptCb\n");
+            return ret;
+        }
+        encCtx->keySetup = 1;
+    }
+
+    /* encrypt */
+    return wc_AesCbcEncrypt(&encCtx->aes, encOut, encIn, encSz);
+}
+
+
+static INLINE int myDecryptVerifyCb(WOLFSSL* ssl,
+       unsigned char* decOut, const unsigned char* decIn,
+       unsigned int decSz, int macContent, int macVerify,
+       unsigned int* padSz, void* ctx)
+{
+    AtomicDecCtx* decCtx = (AtomicDecCtx*)ctx;
+    int ret      = 0;
+    int macInSz  = 0;
+    int ivExtra  = 0;
+    int digestSz = wolfSSL_GetHmacSize(ssl);
+    unsigned int pad     = 0;
+    unsigned int padByte = 0;
+    Hmac hmac;
+    byte myInner[WOLFSSL_TLS_HMAC_INNER_SZ];
+    byte verify[MAX_DIGEST_SIZE];
+    const char* tlsStr = "TLS";
+
+    /* example supports (d)tls aes */
+    if (wolfSSL_GetBulkCipher(ssl) != wolfssl_aes) {
+        printf("myMacEncryptCb not using AES\n");
+        return -1;
+    }
+
+    if (strstr(wolfSSL_get_version(ssl), tlsStr) == NULL) {
+        printf("myMacEncryptCb not using (D)TLS\n");
+        return -1;
+    }
+
+    /*decrypt */
+    if (decCtx->keySetup == 0) {
+        int   keyLen = wolfSSL_GetKeySize(ssl);
+        const byte* key;
+        const byte* iv;
+
+        /* decrypt is from other side (peer) */
+        if (wolfSSL_GetSide(ssl) == WOLFSSL_SERVER_END) {
+            key = wolfSSL_GetClientWriteKey(ssl);
+            iv  = wolfSSL_GetClientWriteIV(ssl);
+        }
+        else {
+            key = wolfSSL_GetServerWriteKey(ssl);
+            iv  = wolfSSL_GetServerWriteIV(ssl);
+        }
+
+        ret = wc_AesSetKey(&decCtx->aes, key, keyLen, iv, AES_DECRYPTION);
+        if (ret != 0) {
+            printf("AesSetKey failed in myDecryptVerifyCb\n");
+            return ret;
+        }
+        decCtx->keySetup = 1;
+    }
+
+    /* decrypt */
+    ret = wc_AesCbcDecrypt(&decCtx->aes, decOut, decIn, decSz);
+    if (ret != 0)
+        return ret;
+
+    if (wolfSSL_GetCipherType(ssl) == WOLFSSL_AEAD_TYPE) {
+        *padSz = wolfSSL_GetAeadMacSize(ssl);
+        return 0; /* hmac, not needed if aead mode */
+    }
+
+    if (wolfSSL_GetCipherType(ssl) == WOLFSSL_BLOCK_TYPE) {
+        pad     = *(decOut + decSz - 1);
+        padByte = 1;
+        if (wolfSSL_IsTLSv1_1(ssl))
+            ivExtra = wolfSSL_GetCipherBlockSize(ssl);
+    }
+
+    *padSz  = wolfSSL_GetHmacSize(ssl) + pad + padByte;
+    macInSz = decSz - ivExtra - digestSz - pad - padByte;
+
+    wolfSSL_SetTlsHmacInner(ssl, myInner, macInSz, macContent, macVerify);
+
+    ret = wc_HmacSetKey(&hmac, wolfSSL_GetHmacType(ssl),
+               wolfSSL_GetMacSecret(ssl, macVerify), digestSz);
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacUpdate(&hmac, myInner, sizeof(myInner));
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacUpdate(&hmac, decOut + ivExtra, macInSz);
+    if (ret != 0)
+        return ret;
+    ret = wc_HmacFinal(&hmac, verify);
+    if (ret != 0)
+        return ret;
+
+    if (memcmp(verify, decOut + decSz - digestSz - pad - padByte,
+               digestSz) != 0) {
+        printf("myDecryptVerify verify failed\n");
+        return -1;
+    }
+
+    return ret;
+}
+
+
+static INLINE void SetupAtomicUser(WOLFSSL_CTX* ctx, WOLFSSL* ssl)
+{
+    AtomicEncCtx* encCtx;
+    AtomicDecCtx* decCtx;
+
+    encCtx = (AtomicEncCtx*)malloc(sizeof(AtomicEncCtx));
+    if (encCtx == NULL)
+        err_sys("AtomicEncCtx malloc failed");
+    memset(encCtx, 0, sizeof(AtomicEncCtx));
+
+    decCtx = (AtomicDecCtx*)malloc(sizeof(AtomicDecCtx));
+    if (decCtx == NULL) {
+        free(encCtx);
+        err_sys("AtomicDecCtx malloc failed");
+    }
+    memset(decCtx, 0, sizeof(AtomicDecCtx));
+
+    wolfSSL_CTX_SetMacEncryptCb(ctx, myMacEncryptCb);
+    wolfSSL_SetMacEncryptCtx(ssl, encCtx);
+
+    wolfSSL_CTX_SetDecryptVerifyCb(ctx, myDecryptVerifyCb);
+    wolfSSL_SetDecryptVerifyCtx(ssl, decCtx);
+}
+
+
+static INLINE void FreeAtomicUser(WOLFSSL* ssl)
+{
+    AtomicEncCtx* encCtx = (AtomicEncCtx*)wolfSSL_GetMacEncryptCtx(ssl);
+    AtomicDecCtx* decCtx = (AtomicDecCtx*)wolfSSL_GetDecryptVerifyCtx(ssl);
+
+    free(decCtx);
+    free(encCtx);
+}
+
+#endif /* ATOMIC_USER */
+
+
+#ifdef HAVE_PK_CALLBACKS
+
+#ifdef HAVE_ECC
+
+static INLINE int myEccSign(WOLFSSL* ssl, const byte* in, word32 inSz,
+        byte* out, word32* outSz, const byte* key, word32 keySz, void* ctx)
+{
+    WC_RNG  rng;
+    int     ret;
+    word32  idx = 0;
+    ecc_key myKey;
+
+    (void)ssl;
+    (void)ctx;
+
+    ret = wc_InitRng(&rng);
+    if (ret != 0)
+        return ret;
+
+    wc_ecc_init(&myKey);
+
+    ret = wc_EccPrivateKeyDecode(key, &idx, &myKey, keySz);
+    if (ret == 0)
+        ret = wc_ecc_sign_hash(in, inSz, out, outSz, &rng, &myKey);
+    wc_ecc_free(&myKey);
+    wc_FreeRng(&rng);
+
+    return ret;
+}
+
+
+static INLINE int myEccVerify(WOLFSSL* ssl, const byte* sig, word32 sigSz,
+        const byte* hash, word32 hashSz, const byte* key, word32 keySz,
+        int* result, void* ctx)
+{
+    int     ret;
+    ecc_key myKey;
+
+    (void)ssl;
+    (void)ctx;
+
+    wc_ecc_init(&myKey);
+
+    ret = wc_ecc_import_x963(key, keySz, &myKey);
+    if (ret == 0)
+        ret = wc_ecc_verify_hash(sig, sigSz, hash, hashSz, result, &myKey);
+    wc_ecc_free(&myKey);
+
+    return ret;
+}
+
+#endif /* HAVE_ECC */
+
+#ifndef NO_RSA
+
+static INLINE int myRsaSign(WOLFSSL* ssl, const byte* in, word32 inSz,
+        byte* out, word32* outSz, const byte* key, word32 keySz, void* ctx)
+{
+    WC_RNG  rng;
+    int     ret;
+    word32  idx = 0;
+    RsaKey  myKey;
+
+    (void)ssl;
+    (void)ctx;
+
+    ret = wc_InitRng(&rng);
+    if (ret != 0)
+        return ret;
+
+    wc_InitRsaKey(&myKey, NULL);
+
+    ret = wc_RsaPrivateKeyDecode(key, &idx, &myKey, keySz);
+    if (ret == 0)
+        ret = wc_RsaSSL_Sign(in, inSz, out, *outSz, &myKey, &rng);
+    if (ret > 0) {  /* save and convert to 0 success */
+        *outSz = ret;
+        ret = 0;
+    }
+    wc_FreeRsaKey(&myKey);
+    wc_FreeRng(&rng);
+
+    return ret;
+}
+
+
+static INLINE int myRsaVerify(WOLFSSL* ssl, byte* sig, word32 sigSz,
+        byte** out,
+        const byte* key, word32 keySz,
+        void* ctx)
+{
+    int     ret;
+    word32  idx = 0;
+    RsaKey  myKey;
+
+    (void)ssl;
+    (void)ctx;
+
+    wc_InitRsaKey(&myKey, NULL);
+
+    ret = wc_RsaPublicKeyDecode(key, &idx, &myKey, keySz);
+    if (ret == 0)
+        ret = wc_RsaSSL_VerifyInline(sig, sigSz, out, &myKey);
+    wc_FreeRsaKey(&myKey);
+
+    return ret;
+}
+
+
+static INLINE int myRsaEnc(WOLFSSL* ssl, const byte* in, word32 inSz,
+                           byte* out, word32* outSz, const byte* key,
+                           word32 keySz, void* ctx)
+{
+    int     ret;
+    word32  idx = 0;
+    RsaKey  myKey;
+    WC_RNG  rng;
+
+    (void)ssl;
+    (void)ctx;
+
+    ret = wc_InitRng(&rng);
+    if (ret != 0)
+        return ret;
+
+    wc_InitRsaKey(&myKey, NULL);
+
+    ret = wc_RsaPublicKeyDecode(key, &idx, &myKey, keySz);
+    if (ret == 0) {
+        ret = wc_RsaPublicEncrypt(in, inSz, out, *outSz, &myKey, &rng);
+        if (ret > 0) {
+            *outSz = ret;
+            ret = 0;  /* reset to success */
+        }
+    }
+    wc_FreeRsaKey(&myKey);
+    wc_FreeRng(&rng);
+
+    return ret;
+}
+
+static INLINE int myRsaDec(WOLFSSL* ssl, byte* in, word32 inSz,
+                           byte** out,
+                           const byte* key, word32 keySz, void* ctx)
+{
+    int     ret;
+    word32  idx = 0;
+    RsaKey  myKey;
+
+    (void)ssl;
+    (void)ctx;
+
+    wc_InitRsaKey(&myKey, NULL);
+
+    ret = wc_RsaPrivateKeyDecode(key, &idx, &myKey, keySz);
+    if (ret == 0) {
+        ret = wc_RsaPrivateDecryptInline(in, inSz, out, &myKey);
+    }
+    wc_FreeRsaKey(&myKey);
+
+    return ret;
+}
+
+#endif /* NO_RSA */
+
+static INLINE void SetupPkCallbacks(WOLFSSL_CTX* ctx, WOLFSSL* ssl)
+{
+    (void)ctx;
+    (void)ssl;
+
+    #ifdef HAVE_ECC
+        wolfSSL_CTX_SetEccSignCb(ctx, myEccSign);
+        wolfSSL_CTX_SetEccVerifyCb(ctx, myEccVerify);
+    #endif /* HAVE_ECC */
+    #ifndef NO_RSA
+        wolfSSL_CTX_SetRsaSignCb(ctx, myRsaSign);
+        wolfSSL_CTX_SetRsaVerifyCb(ctx, myRsaVerify);
+        wolfSSL_CTX_SetRsaEncCb(ctx, myRsaEnc);
+        wolfSSL_CTX_SetRsaDecCb(ctx, myRsaDec);
+    #endif /* NO_RSA */
+}
+
+#endif /* HAVE_PK_CALLBACKS */
+
+
+
+
+
+#if defined(__hpux__) || defined(__MINGW32__) || defined (WOLFSSL_TIRTOS) \
+                      || defined(_MSC_VER)
+
+/* HP/UX doesn't have strsep, needed by test/suites.c */
+static INLINE char* strsep(char **stringp, const char *delim)
+{
+    char* start;
+    char* end;
+
+    start = *stringp;
+    if (start == NULL)
+        return NULL;
+
+    if ((end = strpbrk(start, delim))) {
+        *end++ = '\0';
+        *stringp = end;
+    } else {
+        *stringp = NULL;
+    }
+
+    return start;
+}
+
+#endif /* __hpux__ and others */
+
+/* Create unique filename, len is length of tempfn name, assuming
+   len does not include null terminating character,
+   num is number of characters in tempfn name to randomize */
+static INLINE const char* mymktemp(char *tempfn, int len, int num)
+{
+    int x, size;
+    static const char alphanum[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                                   "abcdefghijklmnopqrstuvwxyz";
+    WC_RNG rng;
+    byte   out;
+
+    if (tempfn == NULL || len < 1 || num < 1 || len <= num) {
+        printf("Bad input\n");
+        return NULL;
+    }
+
+    size = len - 1;
+
+    if (wc_InitRng(&rng) != 0) {
+        printf("InitRng failed\n");
+        return NULL;
+    }
+
+    for (x = size; x > size - num; x--) {
+        if (wc_RNG_GenerateBlock(&rng,(byte*)&out, sizeof(out)) != 0) {
+            printf("RNG_GenerateBlock failed\n");
+            return NULL;
+        }
+        tempfn[x] = alphanum[out % (sizeof(alphanum) - 1)];
+    }
+    tempfn[len] = '\0';
+
+    wc_FreeRng(&rng);
+
+    return tempfn;
+}
+
+
+
+#if defined(HAVE_SESSION_TICKET) && defined(HAVE_CHACHA) && \
+                                    defined(HAVE_POLY1305)
+
+    #include <wolfssl/wolfcrypt/chacha20_poly1305.h>
+
+    typedef struct key_ctx {
+        byte name[WOLFSSL_TICKET_NAME_SZ];     /* name for this context */
+        byte key[16];                          /* cipher key */
+    } key_ctx;
+
+    static key_ctx myKey_ctx;
+    static WC_RNG myKey_rng;
+
+    static INLINE int TicketInit(void)
+    {
+        int ret = wc_InitRng(&myKey_rng);
+        if (ret != 0) return ret;
+
+        ret = wc_RNG_GenerateBlock(&myKey_rng, myKey_ctx.key, sizeof(myKey_ctx.key));
+        if (ret != 0) return ret;
+
+        ret = wc_RNG_GenerateBlock(&myKey_rng, myKey_ctx.name,sizeof(myKey_ctx.name));
+        if (ret != 0) return ret;
+
+        return 0;
+    }
+
+    static INLINE void TicketCleanup(void)
+    {
+        wc_FreeRng(&myKey_rng);
+    }
+
+    static INLINE int myTicketEncCb(WOLFSSL* ssl,
+                             byte key_name[WOLFSSL_TICKET_NAME_SZ],
+                             byte iv[WOLFSSL_TICKET_IV_SZ],
+                             byte mac[WOLFSSL_TICKET_MAC_SZ],
+                             int enc, byte* ticket, int inLen, int* outLen,
+                             void* userCtx)
+    {
+        (void)ssl;
+        (void)userCtx;
+
+        int ret;
+        word16 sLen = htons(inLen);
+        byte aad[WOLFSSL_TICKET_NAME_SZ + WOLFSSL_TICKET_IV_SZ + 2];
+        int  aadSz = WOLFSSL_TICKET_NAME_SZ + WOLFSSL_TICKET_IV_SZ + 2;
+        byte* tmp = aad;
+
+        if (enc) {
+            XMEMCPY(key_name, myKey_ctx.name, WOLFSSL_TICKET_NAME_SZ);
+
+            ret = wc_RNG_GenerateBlock(&myKey_rng, iv, WOLFSSL_TICKET_IV_SZ);
+            if (ret != 0) return WOLFSSL_TICKET_RET_REJECT;
+
+            /* build aad from key name, iv, and length */
+            XMEMCPY(tmp, key_name, WOLFSSL_TICKET_NAME_SZ);
+            tmp += WOLFSSL_TICKET_NAME_SZ;
+            XMEMCPY(tmp, iv, WOLFSSL_TICKET_IV_SZ);
+            tmp += WOLFSSL_TICKET_IV_SZ;
+            XMEMCPY(tmp, &sLen, 2);
+
+            ret = wc_ChaCha20Poly1305_Encrypt(myKey_ctx.key, iv,
+                                              aad, aadSz,
+                                              ticket, inLen,
+                                              ticket,
+                                              mac);
+            if (ret != 0) return WOLFSSL_TICKET_RET_REJECT;
+            *outLen = inLen;  /* no padding in this mode */
+        } else {
+            /* decrypt */
+
+            /* see if we know this key */
+            if (XMEMCMP(key_name, myKey_ctx.name, WOLFSSL_TICKET_NAME_SZ) != 0){
+                printf("client presented unknown ticket key name ");
+                return WOLFSSL_TICKET_RET_FATAL;
+            }
+
+            /* build aad from key name, iv, and length */
+            XMEMCPY(tmp, key_name, WOLFSSL_TICKET_NAME_SZ);
+            tmp += WOLFSSL_TICKET_NAME_SZ;
+            XMEMCPY(tmp, iv, WOLFSSL_TICKET_IV_SZ);
+            tmp += WOLFSSL_TICKET_IV_SZ;
+            XMEMCPY(tmp, &sLen, 2);
+
+            ret = wc_ChaCha20Poly1305_Decrypt(myKey_ctx.key, iv,
+                                              aad, aadSz,
+                                              ticket, inLen,
+                                              mac,
+                                              ticket);
+            if (ret != 0) return WOLFSSL_TICKET_RET_REJECT;
+            *outLen = inLen;  /* no padding in this mode */
+        }
+
+        return WOLFSSL_TICKET_RET_OK;
+    }
+
+#endif  /* HAVE_SESSION_TICKET && CHACHA20 && POLY1305 */
+
+#endif /* wolfSSL_TEST_H */
+