+
+#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
+
+static JPAKE_CTX *jpake_init(const char *us, const char *them,
+ const char *secret)
+ {
+ BIGNUM *p = NULL;
+ BIGNUM *g = NULL;
+ BIGNUM *q = NULL;
+ BIGNUM *bnsecret = BN_new();
+ JPAKE_CTX *ctx;
+
+ /* Use a safe prime for p (that we found earlier) */
+ BN_hex2bn(&p, "F9E5B365665EA7A05A9C534502780FEE6F1AB5BD4F49947FD036DBD7E905269AF46EF28B0FC07487EE4F5D20FB3C0AF8E700F3A2FA3414970CBED44FEDFF80CE78D800F184BB82435D137AADA2C6C16523247930A63B85661D1FC817A51ACD96168E95898A1F83A79FFB529368AA7833ABD1B0C3AEDDB14D2E1A2F71D99F763F");
+ g = BN_new();
+ BN_set_word(g, 2);
+ q = BN_new();
+ BN_rshift1(q, p);
+
+ BN_bin2bn((const unsigned char *)secret, strlen(secret), bnsecret);
+
+ ctx = JPAKE_CTX_new(us, them, p, g, q, bnsecret);
+ BN_free(bnsecret);
+ BN_free(q);
+ BN_free(g);
+ BN_free(p);
+
+ return ctx;
+ }
+
+static void jpake_send_part(BIO *conn, const JPAKE_STEP_PART *p)
+ {
+ BN_print(conn, p->gx);
+ BIO_puts(conn, "\n");
+ BN_print(conn, p->zkpx.gr);
+ BIO_puts(conn, "\n");
+ BN_print(conn, p->zkpx.b);
+ BIO_puts(conn, "\n");
+ }
+
+static void jpake_send_step1(BIO *bconn, JPAKE_CTX *ctx)
+ {
+ JPAKE_STEP1 s1;
+
+ JPAKE_STEP1_init(&s1);
+ JPAKE_STEP1_generate(&s1, ctx);
+ jpake_send_part(bconn, &s1.p1);
+ jpake_send_part(bconn, &s1.p2);
+ (void)BIO_flush(bconn);
+ JPAKE_STEP1_release(&s1);
+ }
+
+static void jpake_send_step2(BIO *bconn, JPAKE_CTX *ctx)
+ {
+ JPAKE_STEP2 s2;
+
+ JPAKE_STEP2_init(&s2);
+ JPAKE_STEP2_generate(&s2, ctx);
+ jpake_send_part(bconn, &s2);
+ (void)BIO_flush(bconn);
+ JPAKE_STEP2_release(&s2);
+ }
+
+static void jpake_send_step3a(BIO *bconn, JPAKE_CTX *ctx)
+ {
+ JPAKE_STEP3A s3a;
+
+ JPAKE_STEP3A_init(&s3a);
+ JPAKE_STEP3A_generate(&s3a, ctx);
+ BIO_write(bconn, s3a.hhk, sizeof s3a.hhk);
+ (void)BIO_flush(bconn);
+ JPAKE_STEP3A_release(&s3a);
+ }
+
+static void jpake_send_step3b(BIO *bconn, JPAKE_CTX *ctx)
+ {
+ JPAKE_STEP3B s3b;
+
+ JPAKE_STEP3B_init(&s3b);
+ JPAKE_STEP3B_generate(&s3b, ctx);
+ BIO_write(bconn, s3b.hk, sizeof s3b.hk);
+ (void)BIO_flush(bconn);
+ JPAKE_STEP3B_release(&s3b);
+ }
+
+static void readbn(BIGNUM **bn, BIO *bconn)
+ {
+ char buf[10240];
+ int l;
+
+ l = BIO_gets(bconn, buf, sizeof buf);
+ assert(l > 0);
+ assert(buf[l-1] == '\n');
+ buf[l-1] = '\0';
+ BN_hex2bn(bn, buf);
+ }
+
+static void jpake_receive_part(JPAKE_STEP_PART *p, BIO *bconn)
+ {
+ readbn(&p->gx, bconn);
+ readbn(&p->zkpx.gr, bconn);
+ readbn(&p->zkpx.b, bconn);
+ }
+
+static void jpake_receive_step1(JPAKE_CTX *ctx, BIO *bconn)
+ {
+ JPAKE_STEP1 s1;
+
+ JPAKE_STEP1_init(&s1);
+ jpake_receive_part(&s1.p1, bconn);
+ jpake_receive_part(&s1.p2, bconn);
+ if(!JPAKE_STEP1_process(ctx, &s1))
+ {
+ ERR_print_errors(bio_err);
+ exit(1);
+ }
+ JPAKE_STEP1_release(&s1);
+ }
+
+static void jpake_receive_step2(JPAKE_CTX *ctx, BIO *bconn)
+ {
+ JPAKE_STEP2 s2;
+
+ JPAKE_STEP2_init(&s2);
+ jpake_receive_part(&s2, bconn);
+ if(!JPAKE_STEP2_process(ctx, &s2))
+ {
+ ERR_print_errors(bio_err);
+ exit(1);
+ }
+ JPAKE_STEP2_release(&s2);
+ }
+
+static void jpake_receive_step3a(JPAKE_CTX *ctx, BIO *bconn)
+ {
+ JPAKE_STEP3A s3a;
+ int l;
+
+ JPAKE_STEP3A_init(&s3a);
+ l = BIO_read(bconn, s3a.hhk, sizeof s3a.hhk);
+ assert(l == sizeof s3a.hhk);
+ if(!JPAKE_STEP3A_process(ctx, &s3a))
+ {
+ ERR_print_errors(bio_err);
+ exit(1);
+ }
+ JPAKE_STEP3A_release(&s3a);
+ }
+
+static void jpake_receive_step3b(JPAKE_CTX *ctx, BIO *bconn)
+ {
+ JPAKE_STEP3B s3b;
+ int l;
+
+ JPAKE_STEP3B_init(&s3b);
+ l = BIO_read(bconn, s3b.hk, sizeof s3b.hk);
+ assert(l == sizeof s3b.hk);
+ if(!JPAKE_STEP3B_process(ctx, &s3b))
+ {
+ ERR_print_errors(bio_err);
+ exit(1);
+ }
+ JPAKE_STEP3B_release(&s3b);
+ }
+
+void jpake_client_auth(BIO *out, BIO *conn, const char *secret)
+ {
+ JPAKE_CTX *ctx;
+ BIO *bconn;
+
+ BIO_puts(out, "Authenticating with JPAKE\n");
+
+ ctx = jpake_init("client", "server", secret);
+
+ bconn = BIO_new(BIO_f_buffer());
+ BIO_push(bconn, conn);
+
+ jpake_send_step1(bconn, ctx);
+ jpake_receive_step1(ctx, bconn);
+ jpake_send_step2(bconn, ctx);
+ jpake_receive_step2(ctx, bconn);
+ jpake_send_step3a(bconn, ctx);
+ jpake_receive_step3b(ctx, bconn);
+
+ BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
+
+ psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
+
+ BIO_pop(bconn);
+ BIO_free(bconn);
+
+ JPAKE_CTX_free(ctx);
+ }
+
+void jpake_server_auth(BIO *out, BIO *conn, const char *secret)
+ {
+ JPAKE_CTX *ctx;
+ BIO *bconn;
+
+ BIO_puts(out, "Authenticating with JPAKE\n");
+
+ ctx = jpake_init("server", "client", secret);
+
+ bconn = BIO_new(BIO_f_buffer());
+ BIO_push(bconn, conn);
+
+ jpake_receive_step1(ctx, bconn);
+ jpake_send_step1(bconn, ctx);
+ jpake_receive_step2(ctx, bconn);
+ jpake_send_step2(bconn, ctx);
+ jpake_receive_step3a(ctx, bconn);
+ jpake_send_step3b(bconn, ctx);
+
+ BIO_puts(out, "JPAKE authentication succeeded, setting PSK\n");
+
+ psk_key = BN_bn2hex(JPAKE_get_shared_key(ctx));
+
+ BIO_pop(bconn);
+ BIO_free(bconn);
+
+ JPAKE_CTX_free(ctx);
+ }
+
+#endif
+
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+/* next_protos_parse parses a comma separated list of strings into a string
+ * in a format suitable for passing to SSL_CTX_set_next_protos_advertised.
+ * outlen: (output) set to the length of the resulting buffer on success.
+ * err: (maybe NULL) on failure, an error message line is written to this BIO.
+ * in: a NUL termianted string like "abc,def,ghi"
+ *
+ * returns: a malloced buffer or NULL on failure.
+ */
+unsigned char *next_protos_parse(unsigned short *outlen, const char *in)
+ {
+ size_t len;
+ unsigned char *out;
+ size_t i, start = 0;
+
+ len = strlen(in);
+ if (len >= 65535)
+ return NULL;
+
+ out = OPENSSL_malloc(strlen(in) + 1);
+ if (!out)
+ return NULL;
+
+ for (i = 0; i <= len; ++i)
+ {
+ if (i == len || in[i] == ',')
+ {
+ if (i - start > 255)
+ {
+ OPENSSL_free(out);
+ return NULL;
+ }
+ out[start] = i - start;
+ start = i + 1;
+ }
+ else
+ out[i+1] = in[i];
+ }
+
+ *outlen = len + 1;
+ return out;
+ }
+#endif /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
+
+/*
+ * Platform-specific sections
+ */
+#if defined(_WIN32)
+# ifdef fileno
+# undef fileno
+# define fileno(a) (int)_fileno(a)
+# endif
+
+# include <windows.h>
+# include <tchar.h>
+
+static int WIN32_rename(const char *from, const char *to)
+ {
+ TCHAR *tfrom=NULL,*tto;
+ DWORD err;
+ int ret=0;
+
+ if (sizeof(TCHAR) == 1)
+ {
+ tfrom = (TCHAR *)from;
+ tto = (TCHAR *)to;
+ }
+ else /* UNICODE path */
+ {
+ size_t i,flen=strlen(from)+1,tlen=strlen(to)+1;
+ tfrom = (TCHAR *)malloc(sizeof(TCHAR)*(flen+tlen));
+ if (tfrom==NULL) goto err;
+ tto=tfrom+flen;
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,from,flen,(WCHAR *)tfrom,flen))
+#endif
+ for (i=0;i<flen;i++) tfrom[i]=(TCHAR)from[i];
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,to, tlen,(WCHAR *)tto, tlen))
+#endif
+ for (i=0;i<tlen;i++) tto[i] =(TCHAR)to[i];
+ }
+
+ if (MoveFile(tfrom,tto)) goto ok;
+ err=GetLastError();
+ if (err==ERROR_ALREADY_EXISTS || err==ERROR_FILE_EXISTS)
+ {
+ if (DeleteFile(tto) && MoveFile(tfrom,tto))
+ goto ok;
+ err=GetLastError();
+ }
+ if (err==ERROR_FILE_NOT_FOUND || err==ERROR_PATH_NOT_FOUND)
+ errno = ENOENT;
+ else if (err==ERROR_ACCESS_DENIED)
+ errno = EACCES;
+ else
+ errno = EINVAL; /* we could map more codes... */
+err:
+ ret=-1;
+ok:
+ if (tfrom!=NULL && tfrom!=(TCHAR *)from) free(tfrom);
+ return ret;
+ }
+#endif
+
+/* app_tminterval section */
+#if defined(_WIN32)
+double app_tminterval(int stop,int usertime)
+ {
+ FILETIME now;
+ double ret=0;
+ static ULARGE_INTEGER tmstart;
+ static int warning=1;
+#ifdef _WIN32_WINNT
+ static HANDLE proc=NULL;
+
+ if (proc==NULL)
+ {
+ if (GetVersion() < 0x80000000)
+ proc = OpenProcess(PROCESS_QUERY_INFORMATION,FALSE,
+ GetCurrentProcessId());
+ if (proc==NULL) proc = (HANDLE)-1;
+ }
+
+ if (usertime && proc!=(HANDLE)-1)
+ {
+ FILETIME junk;
+ GetProcessTimes(proc,&junk,&junk,&junk,&now);
+ }
+ else
+#endif
+ {
+ SYSTEMTIME systime;
+
+ if (usertime && warning)
+ {
+ BIO_printf(bio_err,"To get meaningful results, run "
+ "this program on idle system.\n");
+ warning=0;
+ }
+ GetSystemTime(&systime);
+ SystemTimeToFileTime(&systime,&now);
+ }
+
+ if (stop==TM_START)
+ {
+ tmstart.u.LowPart = now.dwLowDateTime;
+ tmstart.u.HighPart = now.dwHighDateTime;
+ }
+ else {
+ ULARGE_INTEGER tmstop;
+
+ tmstop.u.LowPart = now.dwLowDateTime;
+ tmstop.u.HighPart = now.dwHighDateTime;
+
+ ret = (__int64)(tmstop.QuadPart - tmstart.QuadPart)*1e-7;
+ }
+
+ return (ret);
+ }
+
+#elif defined(OPENSSL_SYS_NETWARE)
+#include <time.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret=0;
+ static clock_t tmstart;
+ static int warning=1;
+
+ if (usertime && warning)
+ {
+ BIO_printf(bio_err,"To get meaningful results, run "
+ "this program on idle system.\n");
+ warning=0;
+ }
+
+ if (stop==TM_START) tmstart = clock();
+ else ret = (clock()-tmstart)/(double)CLOCKS_PER_SEC;
+
+ return (ret);
+ }
+
+#elif defined(OPENSSL_SYSTEM_VXWORKS)
+#include <time.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret=0;
+#ifdef CLOCK_REALTIME
+ static struct timespec tmstart;
+ struct timespec now;
+#else
+ static unsigned long tmstart;
+ unsigned long now;
+#endif
+ static int warning=1;
+
+ if (usertime && warning)
+ {
+ BIO_printf(bio_err,"To get meaningful results, run "
+ "this program on idle system.\n");
+ warning=0;
+ }
+
+#ifdef CLOCK_REALTIME
+ clock_gettime(CLOCK_REALTIME,&now);
+ if (stop==TM_START) tmstart = now;
+ else ret = ( (now.tv_sec+now.tv_nsec*1e-9)
+ - (tmstart.tv_sec+tmstart.tv_nsec*1e-9) );
+#else
+ now = tickGet();
+ if (stop==TM_START) tmstart = now;
+ else ret = (now - tmstart)/(double)sysClkRateGet();
+#endif
+ return (ret);
+ }
+
+#elif defined(OPENSSL_SYSTEM_VMS)
+#include <time.h>
+#include <times.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ static clock_t tmstart;
+ double ret = 0;
+ clock_t now;
+#ifdef __TMS
+ struct tms rus;
+
+ now = times(&rus);
+ if (usertime) now = rus.tms_utime;
+#else
+ if (usertime)
+ now = clock(); /* sum of user and kernel times */
+ else {
+ struct timeval tv;
+ gettimeofday(&tv,NULL);
+ now = (clock_t)(
+ (unsigned long long)tv.tv_sec*CLK_TCK +
+ (unsigned long long)tv.tv_usec*(1000000/CLK_TCK)
+ );
+ }
+#endif
+ if (stop==TM_START) tmstart = now;
+ else ret = (now - tmstart)/(double)(CLK_TCK);
+
+ return (ret);
+ }
+
+#elif defined(_SC_CLK_TCK) /* by means of unistd.h */
+#include <sys/times.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret = 0;
+ struct tms rus;
+ clock_t now = times(&rus);
+ static clock_t tmstart;
+
+ if (usertime) now = rus.tms_utime;
+
+ if (stop==TM_START) tmstart = now;
+ else
+ {
+ long int tck = sysconf(_SC_CLK_TCK);
+ ret = (now - tmstart)/(double)tck;
+ }
+
+ return (ret);
+ }
+
+#else
+#include <sys/time.h>
+#include <sys/resource.h>
+
+double app_tminterval(int stop,int usertime)
+ {
+ double ret = 0;
+ struct rusage rus;
+ struct timeval now;
+ static struct timeval tmstart;
+
+ if (usertime) getrusage(RUSAGE_SELF,&rus), now = rus.ru_utime;
+ else gettimeofday(&now,NULL);
+
+ if (stop==TM_START) tmstart = now;
+ else ret = ( (now.tv_sec+now.tv_usec*1e-6)
+ - (tmstart.tv_sec+tmstart.tv_usec*1e-6) );
+
+ return ret;
+ }
+#endif
+
+/* app_isdir section */
+#ifdef _WIN32
+int app_isdir(const char *name)
+ {
+ HANDLE hList;
+ WIN32_FIND_DATA FileData;
+#if defined(UNICODE) || defined(_UNICODE)
+ size_t i, len_0 = strlen(name)+1;
+
+ if (len_0 > sizeof(FileData.cFileName)/sizeof(FileData.cFileName[0]))
+ return -1;
+
+#if !defined(_WIN32_WCE) || _WIN32_WCE>=101
+ if (!MultiByteToWideChar(CP_ACP,0,name,len_0,FileData.cFileName,len_0))
+#endif
+ for (i=0;i<len_0;i++)
+ FileData.cFileName[i] = (WCHAR)name[i];
+
+ hList = FindFirstFile(FileData.cFileName,&FileData);
+#else
+ hList = FindFirstFile(name,&FileData);
+#endif
+ if (hList == INVALID_HANDLE_VALUE) return -1;
+ FindClose(hList);
+ return ((FileData.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY)!=0);
+ }
+#else
+#include <sys/stat.h>
+#ifndef S_ISDIR
+# if defined(_S_IFMT) && defined(_S_IFDIR)
+# define S_ISDIR(a) (((a) & _S_IFMT) == _S_IFDIR)
+# else
+# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
+# endif
+#endif
+
+int app_isdir(const char *name)
+ {
+#if defined(S_ISDIR)
+ struct stat st;
+
+ if (stat(name,&st)==0) return S_ISDIR(st.st_mode);
+ else return -1;
+#else
+ return -1;
+#endif
+ }
+#endif
+
+/* raw_read|write section */
+#if defined(_WIN32) && defined(STD_INPUT_HANDLE)
+int raw_read_stdin(void *buf,int siz)
+ {
+ DWORD n;
+ if (ReadFile(GetStdHandle(STD_INPUT_HANDLE),buf,siz,&n,NULL))
+ return (n);
+ else return (-1);
+ }
+#else
+int raw_read_stdin(void *buf,int siz)
+ { return read(fileno(stdin),buf,siz); }
+#endif
+
+#if defined(_WIN32) && defined(STD_OUTPUT_HANDLE)
+int raw_write_stdout(const void *buf,int siz)
+ {
+ DWORD n;
+ if (WriteFile(GetStdHandle(STD_OUTPUT_HANDLE),buf,siz,&n,NULL))
+ return (n);
+ else return (-1);
+ }
+#else
+int raw_write_stdout(const void *buf,int siz)
+ { return write(fileno(stdout),buf,siz); }
+#endif