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wolfssl/cyassl/test.h

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/* test.h */
#ifndef CyaSSL_TEST_H
#define CyaSSL_TEST_H
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <ctype.h>
#include <cyassl/ssl.h>
#include <cyassl/ctaocrypt/types.h>
#ifdef ATOMIC_USER
#include <cyassl/ctaocrypt/aes.h>
#include <cyassl/ctaocrypt/arc4.h>
#include <cyassl/ctaocrypt/hmac.h>
#endif
#ifdef HAVE_PK_CALLBACKS
#include <cyassl/ctaocrypt/random.h>
#include <cyassl/ctaocrypt/asn.h>
#ifdef HAVE_ECC
#include <cyassl/ctaocrypt/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(CYASSL_MDK_ARM)
#include <string.h>
#else
#include <string.h>
#include <sys/types.h>
#ifndef CYASSL_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
#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(CYASSL_MDK_ARM)
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(CYASSL_MDK_ARM)
#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 CYASSL_THREAD
#else
#if defined(_POSIX_THREADS) && !defined(__MINGW32__)
typedef void* THREAD_RETURN;
typedef pthread_t THREAD_TYPE;
#define CYASSL_THREAD
#define INFINITE -1
#define WAIT_OBJECT_0 0L
#elif defined(CYASSL_MDK_ARM)
typedef unsigned int THREAD_RETURN;
typedef int THREAD_TYPE;
#define CYASSL_THREAD
#else
typedef unsigned int THREAD_RETURN;
typedef intptr_t THREAD_TYPE;
#define CYASSL_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)
/* all certs relative to CyaSSL home directory now */
#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"
typedef struct tcp_ready {
int ready; /* predicate */
int port;
#if defined(_POSIX_THREADS) && !defined(__MINGW32__)
pthread_mutex_t mutex;
pthread_cond_t cond;
#endif
} tcp_ready;
void InitTcpReady(tcp_ready*);
void FreeTcpReady(tcp_ready*);
typedef CYASSL_METHOD* (*method_provider)(void);
typedef void (*ctx_callback)(CYASSL_CTX* ctx);
typedef void (*ssl_callback)(CYASSL* 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 CYASSL_THREAD THREAD_FUNC(void*);
void start_thread(THREAD_FUNC, func_args*, THREAD_TYPE*);
void join_thread(THREAD_TYPE);
/* yaSSL */
#ifndef TEST_IPV6
static const char* const yasslIP = "127.0.0.1";
#else
static const char* const yasslIP = "::1";
#endif
static const word16 yasslPort = 11111;
static INLINE void err_sys(const char* msg)
{
printf("yassl error: %s\n", msg);
#ifndef CYASSL_MDK_SHELL
if (msg)
exit(EXIT_FAILURE);
#endif
}
#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;
}
#ifdef OPENSSL_EXTRA
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(CYASSL_X509* x509, const char* hdr)
{
char* altName;
char* issuer = CyaSSL_X509_NAME_oneline(
CyaSSL_X509_get_issuer_name(x509), 0, 0);
char* subject = CyaSSL_X509_NAME_oneline(
CyaSSL_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 = CyaSSL_X509_get_next_altname(x509)) != NULL)
printf(" altname = %s\n", altName);
ret = CyaSSL_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(CYASSL* ssl)
{
CYASSL_CIPHER* cipher;
#ifdef KEEP_PEER_CERT
CYASSL_X509* peer = CyaSSL_get_peer_certificate(ssl);
if (peer)
ShowX509(peer, "peer's cert info:");
else
printf("peer has no cert!\n");
#endif
printf("SSL version is %s\n", CyaSSL_get_version(ssl));
cipher = CyaSSL_get_current_cipher(ssl);
printf("SSL cipher suite is %s\n", CyaSSL_CIPHER_get_name(cipher));
#if defined(SESSION_CERTS) && defined(SHOW_CERTS)
{
CYASSL_X509_CHAIN* chain = CyaSSL_get_peer_chain(ssl);
int count = CyaSSL_get_chain_count(chain);
int i;
for (i = 0; i < count; i++) {
int length;
unsigned char buffer[3072];
CYASSL_X509* chainX509;
CyaSSL_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 = CyaSSL_get_chain_X509(chain, i);
if (chainX509)
ShowX509(chainX509, "session cert info:");
else
printf("get_chain_X509 failed\n");
CyaSSL_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;
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])) {
#ifdef CYASSL_MDK_ARM
int err;
struct hostent* entry = gethostbyname(peer, &err);
#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(CYASSL_MDK_ARM)
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);
#ifdef USE_WINDOWS_API
if (*sockfd == INVALID_SOCKET)
err_sys("socket failed\n");
#else
if (*sockfd < 0)
err_sys("socket failed\n");
#endif
#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(CYASSL_MDK_ARM)
/* 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)
{
SOCKADDR_IN_T addr;
build_addr(&addr, ip, port, udp);
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(CYASSL_MDK_ARM)
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;
}
#endif /* !CYASSL_MDK_ARM */
static INLINE void tcp_listen(SOCKET_T* sockfd, int* 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 : yasslIP), *port, udp);
tcp_socket(sockfd, udp);
#if !defined(USE_WINDOWS_API) && !defined(CYASSL_MDK_ARM)
{
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(NO_MAIN_DRIVER) && !defined(USE_WINDOWS_API)
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
}
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;
}
static INLINE void udp_accept(SOCKET_T* sockfd, SOCKET_T* clientfd,
int useAnyAddr, int port, func_args* args)
{
SOCKADDR_IN_T addr;
(void)args;
build_addr(&addr, (useAnyAddr ? INADDR_ANY : yasslIP), port, 1);
tcp_socket(sockfd, 1);
#if !defined(USE_WINDOWS_API) && !defined(CYASSL_MDK_ARM)
{
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)
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);
}
#endif
*clientfd = udp_read_connect(*sockfd);
}
static INLINE void tcp_accept(SOCKET_T* sockfd, SOCKET_T* clientfd,
func_args* args, int port, int useAnyAddr,
int udp)
{
SOCKADDR_IN_T client;
socklen_t client_len = sizeof(client);
if (udp) {
udp_accept(sockfd, clientfd, useAnyAddr, port, args);
return;
}
tcp_listen(sockfd, &port, useAnyAddr, udp);
#if defined(_POSIX_THREADS) && defined(NO_MAIN_DRIVER) && !defined(__MINGW32__)
/* signal ready to tcp_accept */
{
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);
}
#endif
*clientfd = accept(*sockfd, (struct sockaddr*)&client,
(ACCEPT_THIRD_T)&client_len);
#ifdef USE_WINDOWS_API
if (*clientfd == INVALID_SOCKET)
err_sys("tcp accept failed");
#else
if (*clientfd == -1)
err_sys("tcp accept failed");
#endif
}
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(CYASSL_MDK_ARM)
/* non blocking not suppported, 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(CYASSL* 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(CYASSL* 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;
}
#else
#if !defined(CYASSL_MDK_ARM)
#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 {
CYASSL_CA = 1,
CYASSL_CERT = 2,
CYASSL_KEY = 3
};
static INLINE void load_buffer(CYASSL_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 CyaSSL home directory if not");
fseek(file, 0, SEEK_END);
sz = ftell(file);
rewind(file);
fread(buff, sizeof(buff), 1, file);
if (type == CYASSL_CA) {
if (CyaSSL_CTX_load_verify_buffer(ctx, buff, sz, SSL_FILETYPE_PEM)
!= SSL_SUCCESS)
err_sys("can't load buffer ca file");
}
else if (type == CYASSL_CERT) {
if (CyaSSL_CTX_use_certificate_buffer(ctx, buff, sz,
SSL_FILETYPE_PEM) != SSL_SUCCESS)
err_sys("can't load buffer cert file");
}
else if (type == CYASSL_KEY) {
if (CyaSSL_CTX_use_PrivateKey_buffer(ctx, buff, sz,
SSL_FILETYPE_PEM) != SSL_SUCCESS)
err_sys("can't load buffer key file");
}
}
#endif /* NO_FILESYSTEM */
#ifdef VERIFY_CALLBACK
static INLINE int myVerify(int preverify, CYASSL_X509_STORE_CTX* store)
{
char buffer[CYASSL_MAX_ERROR_SZ];
#ifdef OPENSSL_EXTRA
CYASSL_X509* peer;
#endif
printf("In verification callback, error = %d, %s\n", store->error,
CyaSSL_ERR_error_string(store->error, buffer));
#ifdef OPENSSL_EXTRA
peer = store->current_cert;
if (peer) {
char* issuer = CyaSSL_X509_NAME_oneline(
CyaSSL_X509_get_issuer_name(peer), 0, 0);
char* subject = CyaSSL_X509_NAME_oneline(
CyaSSL_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 */
#ifdef HAVE_CRL
static INLINE void CRL_CallBack(const char* url)
{
printf("CRL callback url = %s\n", url);
}
#endif
#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);
}
static INLINE void SetDH(CYASSL* 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,
};
CyaSSL_SetTmpDH(ssl, p, sizeof(p), g, sizeof(g));
}
static INLINE void SetDHCtx(CYASSL_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,
};
CyaSSL_CTX_SetTmpDH(ctx, p, sizeof(p), g, sizeof(g));
}
#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 */
#ifdef USE_WINDOWS_API
/* do back x number of directories */
static INLINE void ChangeDirBack(int x)
{
char path[MAX_PATH];
if (x == 1)
strncpy(path, "..\\", MAX_PATH);
else if (x == 2)
strncpy(path, "..\\..\\", MAX_PATH);
else if (x == 3)
strncpy(path, "..\\..\\..\\", MAX_PATH);
else if (x == 4)
strncpy(path, "..\\..\\..\\..\\", MAX_PATH);
else
strncpy(path, ".\\", MAX_PATH);
SetCurrentDirectoryA(path);
}
/* does current dir contain str */
static INLINE int CurrentDir(const char* str)
{
char path[MAX_PATH];
char* baseName;
GetCurrentDirectoryA(sizeof(path), path);
baseName = strrchr(path, '\\');
if (baseName)
baseName++;
else
baseName = path;
if (strstr(baseName, str))
return 1;
return 0;
}
#elif defined(CYASSL_MDK_ARM)
/* KEIL-RL File System does not support relative directry */
#else
#ifndef MAX_PATH
#define MAX_PATH 256
#endif
/* do back x number of directories */
static INLINE void ChangeDirBack(int x)
{
char path[MAX_PATH];
if (x == 1)
strncpy(path, "../", MAX_PATH);
else if (x == 2)
strncpy(path, "../../", MAX_PATH);
else if (x == 3)
strncpy(path, "../../../", MAX_PATH);
else if (x == 4)
strncpy(path, "../../../../", MAX_PATH);
else
strncpy(path, "./", MAX_PATH);
if (chdir(path) < 0)
printf("chdir to %s failed\n", path);
}
/* does current dir contain str */
static INLINE int CurrentDir(const char* str)
{
char path[MAX_PATH];
char* baseName;
if (getcwd(path, sizeof(path)) == NULL) {
printf("no current dir?\n");
return 0;
}
baseName = strrchr(path, '/');
if (baseName)
baseName++;
else
baseName = path;
if (strstr(baseName, str))
return 1;
return 0;
}
#endif /* USE_WINDOWS_API */
#ifdef USE_CYASSL_MEMORY
typedef struct memoryStats {
size_t totalAllocs; /* number of allocations */
size_t totalBytes; /* total number of bytes allocated */
size_t peakBytes; /* concurrent max bytes */
size_t currentBytes; /* total current bytes in use */
} memoryStats;
typedef struct memHint {
size_t thisSize; /* size of this memory */
void* thisMemory; /* actual memory for user */
} memHint;
typedef struct memoryTrack {
union {
memHint hint;
byte alignit[16]; /* make sure we have strong alignment */
} u;
} memoryTrack;
#if defined(CYASSL_TRACK_MEMORY)
#define DO_MEM_STATS
static memoryStats ourMemStats;
#endif
static INLINE void* TrackMalloc(size_t sz)
{
memoryTrack* mt;
if (sz == 0)
return NULL;
mt = (memoryTrack*)malloc(sizeof(memoryTrack) + sz);
if (mt == NULL)
return NULL;
mt->u.hint.thisSize = sz;
mt->u.hint.thisMemory = (byte*)mt + sizeof(memoryTrack);
#ifdef DO_MEM_STATS
ourMemStats.totalAllocs++;
ourMemStats.totalBytes += sz;
ourMemStats.currentBytes += sz;
if (ourMemStats.currentBytes > ourMemStats.peakBytes)
ourMemStats.peakBytes = ourMemStats.currentBytes;
#endif
return mt->u.hint.thisMemory;
}
static INLINE void TrackFree(void* ptr)
{
memoryTrack* mt;
if (ptr == NULL)
return;
mt = (memoryTrack*)((byte*)ptr - sizeof(memoryTrack));
#ifdef DO_MEM_STATS
ourMemStats.currentBytes -= mt->u.hint.thisSize;
#endif
free(mt);
}
static INLINE void* TrackRealloc(void* ptr, size_t sz)
{
void* ret = TrackMalloc(sz);
if (ptr) {
/* if realloc is bigger, don't overread old ptr */
memoryTrack* mt = (memoryTrack*)((byte*)ptr - sizeof(memoryTrack));
if (mt->u.hint.thisSize < sz)
sz = mt->u.hint.thisSize;
}
if (ret && ptr)
memcpy(ret, ptr, sz);
if (ret)
TrackFree(ptr);
return ret;
}
static INLINE void InitMemoryTracker(void)
{
if (CyaSSL_SetAllocators(TrackMalloc, TrackFree, TrackRealloc) != 0)
err_sys("CyaSSL SetAllocators failed for track memory");
#ifdef DO_MEM_STATS
ourMemStats.totalAllocs = 0;
ourMemStats.totalBytes = 0;
ourMemStats.peakBytes = 0;
ourMemStats.currentBytes = 0;
#endif
}
static INLINE void ShowMemoryTracker(void)
{
#ifdef DO_MEM_STATS
printf("total Allocs = %9lu\n",
(unsigned long)ourMemStats.totalAllocs);
printf("total Bytes = %9lu\n",
(unsigned long)ourMemStats.totalBytes);
printf("peak Bytes = %9lu\n",
(unsigned long)ourMemStats.peakBytes);
printf("current Bytes = %9lu\n",
(unsigned long)ourMemStats.currentBytes);
#endif
}
#endif /* USE_CYASSL_MEMORY */
#ifdef HAVE_STACK_SIZE
typedef THREAD_RETURN CYASSL_THREAD (*thread_func)(void* args);
static INLINE void StackSizeCheck(func_args* args, thread_func tf)
{
int ret, i, used;
unsigned char* myStack;
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)
err_sys("posix_memalign failed\n");
memset(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(CYASSL* 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[CYASSL_TLS_HMAC_INNER_SZ];
AtomicEncCtx* encCtx = (AtomicEncCtx*)ctx;
const char* tlsStr = "TLS";
/* example supports (d)tls aes */
if (CyaSSL_GetBulkCipher(ssl) != cyassl_aes) {
printf("myMacEncryptCb not using AES\n");
return -1;
}
if (strstr(CyaSSL_get_version(ssl), tlsStr) == NULL) {
printf("myMacEncryptCb not using (D)TLS\n");
return -1;
}
/* hmac, not needed if aead mode */
CyaSSL_SetTlsHmacInner(ssl, myInner, macInSz, macContent, macVerify);
HmacSetKey(&hmac, CyaSSL_GetHmacType(ssl),
CyaSSL_GetMacSecret(ssl, macVerify), CyaSSL_GetHmacSize(ssl));
HmacUpdate(&hmac, myInner, sizeof(myInner));
HmacUpdate(&hmac, macIn, macInSz);
HmacFinal(&hmac, macOut);
/* encrypt setup on first time */
if (encCtx->keySetup == 0) {
int keyLen = CyaSSL_GetKeySize(ssl);
const byte* key;
const byte* iv;
if (CyaSSL_GetSide(ssl) == CYASSL_CLIENT_END) {
key = CyaSSL_GetClientWriteKey(ssl);
iv = CyaSSL_GetClientWriteIV(ssl);
}
else {
key = CyaSSL_GetServerWriteKey(ssl);
iv = CyaSSL_GetServerWriteIV(ssl);
}
ret = AesSetKey(&encCtx->aes, key, keyLen, iv, AES_ENCRYPTION);
if (ret != 0) {
printf("AesSetKey failed in myMacEncryptCb\n");
return ret;
}
encCtx->keySetup = 1;
}
/* encrypt */
return AesCbcEncrypt(&encCtx->aes, encOut, encIn, encSz);
}
static INLINE int myDecryptVerifyCb(CYASSL* 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 = CyaSSL_GetHmacSize(ssl);
unsigned int pad = 0;
unsigned int padByte = 0;
Hmac hmac;
byte myInner[CYASSL_TLS_HMAC_INNER_SZ];
byte verify[INNER_HASH_SIZE];
const char* tlsStr = "TLS";
/* example supports (d)tls aes */
if (CyaSSL_GetBulkCipher(ssl) != cyassl_aes) {
printf("myMacEncryptCb not using AES\n");
return -1;
}
if (strstr(CyaSSL_get_version(ssl), tlsStr) == NULL) {
printf("myMacEncryptCb not using (D)TLS\n");
return -1;
}
/*decrypt */
if (decCtx->keySetup == 0) {
int keyLen = CyaSSL_GetKeySize(ssl);
const byte* key;
const byte* iv;
/* decrypt is from other side (peer) */
if (CyaSSL_GetSide(ssl) == CYASSL_SERVER_END) {
key = CyaSSL_GetClientWriteKey(ssl);
iv = CyaSSL_GetClientWriteIV(ssl);
}
else {
key = CyaSSL_GetServerWriteKey(ssl);
iv = CyaSSL_GetServerWriteIV(ssl);
}
ret = AesSetKey(&decCtx->aes, key, keyLen, iv, AES_DECRYPTION);
if (ret != 0) {
printf("AesSetKey failed in myDecryptVerifyCb\n");
return ret;
}
decCtx->keySetup = 1;
}
/* decrypt */
ret = AesCbcDecrypt(&decCtx->aes, decOut, decIn, decSz);
if (CyaSSL_GetCipherType(ssl) == CYASSL_AEAD_TYPE) {
*padSz = CyaSSL_GetAeadMacSize(ssl);
return 0; /* hmac, not needed if aead mode */
}
if (CyaSSL_GetCipherType(ssl) == CYASSL_BLOCK_TYPE) {
pad = *(decOut + decSz - 1);
padByte = 1;
if (CyaSSL_IsTLSv1_1(ssl))
ivExtra = CyaSSL_GetCipherBlockSize(ssl);
}
*padSz = CyaSSL_GetHmacSize(ssl) + pad + padByte;
macInSz = decSz - ivExtra - digestSz - pad - padByte;
CyaSSL_SetTlsHmacInner(ssl, myInner, macInSz, macContent, macVerify);
HmacSetKey(&hmac, CyaSSL_GetHmacType(ssl),
CyaSSL_GetMacSecret(ssl, macVerify), digestSz);
HmacUpdate(&hmac, myInner, sizeof(myInner));
HmacUpdate(&hmac, decOut + ivExtra, macInSz);
HmacFinal(&hmac, verify);
if (memcmp(verify, decOut + decSz - digestSz - pad - padByte,
digestSz) != 0) {
printf("myDecryptVerify verify failed\n");
return -1;
}
return ret;
}
static INLINE void SetupAtomicUser(CYASSL_CTX* ctx, CYASSL* 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));
CyaSSL_CTX_SetMacEncryptCb(ctx, myMacEncryptCb);
CyaSSL_SetMacEncryptCtx(ssl, encCtx);
CyaSSL_CTX_SetDecryptVerifyCb(ctx, myDecryptVerifyCb);
CyaSSL_SetDecryptVerifyCtx(ssl, decCtx);
}
static INLINE void FreeAtomicUser(CYASSL* ssl)
{
AtomicEncCtx* encCtx = CyaSSL_GetMacEncryptCtx(ssl);
AtomicDecCtx* decCtx = CyaSSL_GetDecryptVerifyCtx(ssl);
free(decCtx);
free(encCtx);
}
#endif /* ATOMIC_USER */
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
static INLINE int myEccSign(CYASSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, const byte* key, word32 keySz, void* ctx)
{
RNG rng;
int ret;
word32 idx = 0;
ecc_key myKey;
(void)ssl;
(void)ctx;
InitRng(&rng);
ecc_init(&myKey);
ret = EccPrivateKeyDecode(key, &idx, &myKey, keySz);
if (ret == 0)
ret = ecc_sign_hash(in, inSz, out, outSz, &rng, &myKey);
ecc_free(&myKey);
return ret;
}
static INLINE int myEccVerify(CYASSL* 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;
ecc_init(&myKey);
ret = ecc_import_x963(key, keySz, &myKey);
if (ret == 0)
ret = ecc_verify_hash(sig, sigSz, hash, hashSz, result, &myKey);
ecc_free(&myKey);
return ret;
}
#endif /* HAVE_ECC */
#ifndef NO_RSA
static INLINE int myRsaSign(CYASSL* ssl, const byte* in, word32 inSz,
byte* out, word32* outSz, const byte* key, word32 keySz, void* ctx)
{
RNG rng;
int ret;
word32 idx = 0;
RsaKey myKey;
(void)ssl;
(void)ctx;
InitRng(&rng);
InitRsaKey(&myKey, NULL);
ret = RsaPrivateKeyDecode(key, &idx, &myKey, keySz);
if (ret == 0)
ret = RsaSSL_Sign(in, inSz, out, *outSz, &myKey, &rng);
if (ret > 0) { /* save and convert to 0 success */
*outSz = ret;
ret = 0;
}
FreeRsaKey(&myKey);
return ret;
}
static INLINE int myRsaVerify(CYASSL* 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;
InitRsaKey(&myKey, NULL);
ret = RsaPublicKeyDecode(key, &idx, &myKey, keySz);
if (ret == 0)
ret = RsaSSL_VerifyInline(sig, sigSz, out, &myKey);
FreeRsaKey(&myKey);
return ret;
}
#endif /* NO_RSA */
static INLINE void SetupPkCallbacks(CYASSL_CTX* ctx, CYASSL* ssl)
{
(void)ctx;
(void)ssl;
#ifdef HAVE_ECC
CyaSSL_CTX_SetEccSignCb(ctx, myEccSign);
CyaSSL_CTX_SetEccVerifyCb(ctx, myEccVerify);
#endif /* HAVE_ECC */
#ifndef NO_RSA
CyaSSL_CTX_SetRsaSignCb(ctx, myRsaSign);
CyaSSL_CTX_SetRsaVerifyCb(ctx, myRsaVerify);
#endif /* NO_RSA */
}
#endif /* HAVE_PK_CALLBACKS */
#if defined(__hpux__) || defined(__MINGW32__)
/* 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__ */
#endif /* CyaSSL_TEST_H */
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