s_socket.c revision 238405
1272343Sngie/* apps/s_socket.c - socket-related functions used by s_client and s_server */ 2272343Sngie/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3272343Sngie * All rights reserved. 4272343Sngie * 5272343Sngie * This package is an SSL implementation written 6272343Sngie * by Eric Young (eay@cryptsoft.com). 7272343Sngie * The implementation was written so as to conform with Netscapes SSL. 8272343Sngie * 9272343Sngie * This library is free for commercial and non-commercial use as long as 10272343Sngie * the following conditions are aheared to. The following conditions 11272343Sngie * apply to all code found in this distribution, be it the RC4, RSA, 12272343Sngie * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13272343Sngie * included with this distribution is covered by the same copyright terms 14272343Sngie * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15272343Sngie * 16272343Sngie * Copyright remains Eric Young's, and as such any Copyright notices in 17272343Sngie * the code are not to be removed. 18272343Sngie * If this package is used in a product, Eric Young should be given attribution 19272343Sngie * as the author of the parts of the library used. 20272343Sngie * This can be in the form of a textual message at program startup or 21272343Sngie * in documentation (online or textual) provided with the package. 22272343Sngie * 23272343Sngie * Redistribution and use in source and binary forms, with or without 24272343Sngie * modification, are permitted provided that the following conditions 25272343Sngie * are met: 26272343Sngie * 1. Redistributions of source code must retain the copyright 27272343Sngie * notice, this list of conditions and the following disclaimer. 28272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 29272343Sngie * notice, this list of conditions and the following disclaimer in the 30272343Sngie * documentation and/or other materials provided with the distribution. 31272343Sngie * 3. All advertising materials mentioning features or use of this software 32272343Sngie * must display the following acknowledgement: 33272343Sngie * "This product includes cryptographic software written by 34272343Sngie * Eric Young (eay@cryptsoft.com)" 35272343Sngie * The word 'cryptographic' can be left out if the rouines from the library 36272343Sngie * being used are not cryptographic related :-). 37272343Sngie * 4. If you include any Windows specific code (or a derivative thereof) from 38272343Sngie * the apps directory (application code) you must include an acknowledgement: 39272343Sngie * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40272343Sngie * 41272343Sngie * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42272343Sngie * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43272343Sngie * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44272343Sngie * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45272343Sngie * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46272343Sngie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47272343Sngie * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48272343Sngie * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49272343Sngie * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50272343Sngie * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51272343Sngie * SUCH DAMAGE. 52272343Sngie * 53272343Sngie * The licence and distribution terms for any publically available version or 54272343Sngie * derivative of this code cannot be changed. i.e. this code cannot simply be 55272343Sngie * copied and put under another distribution licence 56272343Sngie * [including the GNU Public Licence.] 57272343Sngie */ 58272343Sngie 59272343Sngie#include <stdio.h> 60272343Sngie#include <stdlib.h> 61272343Sngie#include <string.h> 62272343Sngie#include <errno.h> 63272343Sngie#include <signal.h> 64272343Sngie 65272343Sngie#ifdef FLAT_INC 66272343Sngie#include "e_os2.h" 67272343Sngie#else 68272343Sngie#include "../e_os2.h" 69272343Sngie#endif 70272343Sngie 71272343Sngie/* With IPv6, it looks like Digital has mixed up the proper order of 72272343Sngie recursive header file inclusion, resulting in the compiler complaining 73272343Sngie that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 74272343Sngie is needed to have fileno() declared correctly... So let's define u_int */ 75272343Sngie#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 76272343Sngie#define __U_INT 77272343Sngietypedef unsigned int u_int; 78272343Sngie#endif 79272343Sngie 80272343Sngie#define USE_SOCKETS 81272343Sngie#define NON_MAIN 82272343Sngie#include "apps.h" 83272343Sngie#undef USE_SOCKETS 84272343Sngie#undef NON_MAIN 85272343Sngie#include "s_apps.h" 86272343Sngie#include <openssl/ssl.h> 87272343Sngie 88272343Sngie#ifdef FLAT_INC 89272343Sngie#include "e_os.h" 90272343Sngie#else 91272343Sngie#include "../e_os.h" 92272343Sngie#endif 93272343Sngie 94272343Sngie#ifndef OPENSSL_NO_SOCK 95272343Sngie 96272343Sngie#if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK) 97272343Sngie#include "netdb.h" 98272343Sngie#endif 99272343Sngie 100272343Sngiestatic struct hostent *GetHostByName(char *name); 101272343Sngie#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)) 102272343Sngiestatic void ssl_sock_cleanup(void); 103272343Sngie#endif 104272343Sngiestatic int ssl_sock_init(void); 105272343Sngiestatic int init_client_ip(int *sock,unsigned char ip[4], int port, int type); 106272343Sngiestatic int init_server(int *sock, int port, int type); 107272343Sngiestatic int init_server_long(int *sock, int port,char *ip, int type); 108272343Sngiestatic int do_accept(int acc_sock, int *sock, char **host); 109272343Sngiestatic int host_ip(char *str, unsigned char ip[4]); 110272343Sngie 111272343Sngie#ifdef OPENSSL_SYS_WIN16 112272343Sngie#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */ 113272343Sngie#else 114272343Sngie#define SOCKET_PROTOCOL IPPROTO_TCP 115272343Sngie#endif 116272343Sngie 117272343Sngie#if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) 118272343Sngiestatic int wsa_init_done=0; 119272343Sngie#endif 120272343Sngie 121272343Sngie#ifdef OPENSSL_SYS_WINDOWS 122272343Sngiestatic struct WSAData wsa_state; 123272343Sngiestatic int wsa_init_done=0; 124272343Sngie 125272343Sngie#ifdef OPENSSL_SYS_WIN16 126272343Sngiestatic HWND topWnd=0; 127272343Sngiestatic FARPROC lpTopWndProc=NULL; 128272343Sngiestatic FARPROC lpTopHookProc=NULL; 129272343Sngieextern HINSTANCE _hInstance; /* nice global CRT provides */ 130272343Sngie 131272343Sngiestatic LONG FAR PASCAL topHookProc(HWND hwnd, UINT message, WPARAM wParam, 132272343Sngie LPARAM lParam) 133272343Sngie { 134272343Sngie if (hwnd == topWnd) 135272343Sngie { 136272343Sngie switch(message) 137272343Sngie { 138272343Sngie case WM_DESTROY: 139272343Sngie case WM_CLOSE: 140272343Sngie SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopWndProc); 141272343Sngie ssl_sock_cleanup(); 142272343Sngie break; 143272343Sngie } 144272343Sngie } 145272343Sngie return CallWindowProc(lpTopWndProc,hwnd,message,wParam,lParam); 146272343Sngie } 147272343Sngie 148272343Sngiestatic BOOL CALLBACK enumproc(HWND hwnd,LPARAM lParam) 149272343Sngie { 150272343Sngie topWnd=hwnd; 151272343Sngie return(FALSE); 152272343Sngie } 153272343Sngie 154272343Sngie#endif /* OPENSSL_SYS_WIN32 */ 155272343Sngie#endif /* OPENSSL_SYS_WINDOWS */ 156272343Sngie 157272343Sngie#ifdef OPENSSL_SYS_WINDOWS 158272343Sngiestatic void ssl_sock_cleanup(void) 159272343Sngie { 160272343Sngie if (wsa_init_done) 161272343Sngie { 162272343Sngie wsa_init_done=0; 163272343Sngie#ifndef OPENSSL_SYS_WINCE 164272343Sngie WSACancelBlockingCall(); 165272343Sngie#endif 166272343Sngie WSACleanup(); 167272343Sngie } 168272343Sngie } 169272343Sngie#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) 170272343Sngiestatic void sock_cleanup(void) 171272343Sngie { 172272343Sngie if (wsa_init_done) 173272343Sngie { 174272343Sngie wsa_init_done=0; 175272343Sngie WSACleanup(); 176272343Sngie } 177272343Sngie } 178272343Sngie#endif 179272343Sngie 180272343Sngiestatic int ssl_sock_init(void) 181272343Sngie { 182272343Sngie#ifdef WATT32 183272343Sngie extern int _watt_do_exit; 184272343Sngie _watt_do_exit = 0; 185272343Sngie if (sock_init()) 186272343Sngie return (0); 187272343Sngie#elif defined(OPENSSL_SYS_WINDOWS) 188272343Sngie if (!wsa_init_done) 189272343Sngie { 190272343Sngie int err; 191272343Sngie 192272343Sngie#ifdef SIGINT 193272343Sngie signal(SIGINT,(void (*)(int))ssl_sock_cleanup); 194272343Sngie#endif 195272343Sngie wsa_init_done=1; 196272343Sngie memset(&wsa_state,0,sizeof(wsa_state)); 197272343Sngie if (WSAStartup(0x0101,&wsa_state)!=0) 198272343Sngie { 199272343Sngie err=WSAGetLastError(); 200272343Sngie BIO_printf(bio_err,"unable to start WINSOCK, error code=%d\n",err); 201272343Sngie return(0); 202272343Sngie } 203272343Sngie 204272343Sngie#ifdef OPENSSL_SYS_WIN16 205272343Sngie EnumTaskWindows(GetCurrentTask(),enumproc,0L); 206272343Sngie lpTopWndProc=(FARPROC)GetWindowLong(topWnd,GWL_WNDPROC); 207272343Sngie lpTopHookProc=MakeProcInstance((FARPROC)topHookProc,_hInstance); 208272343Sngie 209272343Sngie SetWindowLong(topWnd,GWL_WNDPROC,(LONG)lpTopHookProc); 210272343Sngie#endif /* OPENSSL_SYS_WIN16 */ 211272343Sngie } 212272343Sngie#elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK) 213272343Sngie WORD wVerReq; 214272343Sngie WSADATA wsaData; 215272343Sngie int err; 216272343Sngie 217272343Sngie if (!wsa_init_done) 218272343Sngie { 219272343Sngie 220272343Sngie# ifdef SIGINT 221272343Sngie signal(SIGINT,(void (*)(int))sock_cleanup); 222272343Sngie# endif 223272343Sngie 224272343Sngie wsa_init_done=1; 225272343Sngie wVerReq = MAKEWORD( 2, 0 ); 226272343Sngie err = WSAStartup(wVerReq,&wsaData); 227272343Sngie if (err != 0) 228272343Sngie { 229272343Sngie BIO_printf(bio_err,"unable to start WINSOCK2, error code=%d\n",err); 230272343Sngie return(0); 231272343Sngie } 232272343Sngie } 233272343Sngie#endif /* OPENSSL_SYS_WINDOWS */ 234272343Sngie return(1); 235 } 236 237int init_client(int *sock, char *host, int port, int type) 238 { 239 unsigned char ip[4]; 240 241 memset(ip, '\0', sizeof ip); 242 if (!host_ip(host,&(ip[0]))) 243 return 0; 244 return init_client_ip(sock,ip,port,type); 245 } 246 247static int init_client_ip(int *sock, unsigned char ip[4], int port, int type) 248 { 249 unsigned long addr; 250 struct sockaddr_in them; 251 int s,i; 252 253 if (!ssl_sock_init()) return(0); 254 255 memset((char *)&them,0,sizeof(them)); 256 them.sin_family=AF_INET; 257 them.sin_port=htons((unsigned short)port); 258 addr=(unsigned long) 259 ((unsigned long)ip[0]<<24L)| 260 ((unsigned long)ip[1]<<16L)| 261 ((unsigned long)ip[2]<< 8L)| 262 ((unsigned long)ip[3]); 263 them.sin_addr.s_addr=htonl(addr); 264 265 if (type == SOCK_STREAM) 266 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL); 267 else /* ( type == SOCK_DGRAM) */ 268 s=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP); 269 270 if (s == INVALID_SOCKET) { perror("socket"); return(0); } 271 272#if defined(SO_KEEPALIVE) && !defined(OPENSSL_SYS_MPE) 273 if (type == SOCK_STREAM) 274 { 275 i=0; 276 i=setsockopt(s,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i)); 277 if (i < 0) { perror("keepalive"); return(0); } 278 } 279#endif 280 281 if (connect(s,(struct sockaddr *)&them,sizeof(them)) == -1) 282 { closesocket(s); perror("connect"); return(0); } 283 *sock=s; 284 return(1); 285 } 286 287int do_server(int port, int type, int *ret, int (*cb)(char *hostname, int s, unsigned char *context), unsigned char *context) 288 { 289 int sock; 290 char *name = NULL; 291 int accept_socket = 0; 292 int i; 293 294 if (!init_server(&accept_socket,port,type)) return(0); 295 296 if (ret != NULL) 297 { 298 *ret=accept_socket; 299 /* return(1);*/ 300 } 301 for (;;) 302 { 303 if (type==SOCK_STREAM) 304 { 305 if (do_accept(accept_socket,&sock,&name) == 0) 306 { 307 SHUTDOWN(accept_socket); 308 return(0); 309 } 310 } 311 else 312 sock = accept_socket; 313 i=(*cb)(name,sock, context); 314 if (name != NULL) OPENSSL_free(name); 315 if (type==SOCK_STREAM) 316 SHUTDOWN2(sock); 317 if (i < 0) 318 { 319 SHUTDOWN2(accept_socket); 320 return(i); 321 } 322 } 323 } 324 325static int init_server_long(int *sock, int port, char *ip, int type) 326 { 327 int ret=0; 328 struct sockaddr_in server; 329 int s= -1; 330 331 if (!ssl_sock_init()) return(0); 332 333 memset((char *)&server,0,sizeof(server)); 334 server.sin_family=AF_INET; 335 server.sin_port=htons((unsigned short)port); 336 if (ip == NULL) 337 server.sin_addr.s_addr=INADDR_ANY; 338 else 339/* Added for T3E, address-of fails on bit field (beckman@acl.lanl.gov) */ 340#ifndef BIT_FIELD_LIMITS 341 memcpy(&server.sin_addr.s_addr,ip,4); 342#else 343 memcpy(&server.sin_addr,ip,4); 344#endif 345 346 if (type == SOCK_STREAM) 347 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL); 348 else /* type == SOCK_DGRAM */ 349 s=socket(AF_INET, SOCK_DGRAM,IPPROTO_UDP); 350 351 if (s == INVALID_SOCKET) goto err; 352#if defined SOL_SOCKET && defined SO_REUSEADDR 353 { 354 int j = 1; 355 setsockopt(s, SOL_SOCKET, SO_REUSEADDR, 356 (void *) &j, sizeof j); 357 } 358#endif 359 if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1) 360 { 361#ifndef OPENSSL_SYS_WINDOWS 362 perror("bind"); 363#endif 364 goto err; 365 } 366 /* Make it 128 for linux */ 367 if (type==SOCK_STREAM && listen(s,128) == -1) goto err; 368 *sock=s; 369 ret=1; 370err: 371 if ((ret == 0) && (s != -1)) 372 { 373 SHUTDOWN(s); 374 } 375 return(ret); 376 } 377 378static int init_server(int *sock, int port, int type) 379 { 380 return(init_server_long(sock, port, NULL, type)); 381 } 382 383static int do_accept(int acc_sock, int *sock, char **host) 384 { 385 int ret; 386 struct hostent *h1,*h2; 387 static struct sockaddr_in from; 388 int len; 389/* struct linger ling; */ 390 391 if (!ssl_sock_init()) return(0); 392 393#ifndef OPENSSL_SYS_WINDOWS 394redoit: 395#endif 396 397 memset((char *)&from,0,sizeof(from)); 398 len=sizeof(from); 399 /* Note: under VMS with SOCKETSHR the fourth parameter is currently 400 * of type (int *) whereas under other systems it is (void *) if 401 * you don't have a cast it will choke the compiler: if you do 402 * have a cast then you can either go for (int *) or (void *). 403 */ 404 ret=accept(acc_sock,(struct sockaddr *)&from,(void *)&len); 405 if (ret == INVALID_SOCKET) 406 { 407#if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)) 408 int i; 409 i=WSAGetLastError(); 410 BIO_printf(bio_err,"accept error %d\n",i); 411#else 412 if (errno == EINTR) 413 { 414 /*check_timeout(); */ 415 goto redoit; 416 } 417 fprintf(stderr,"errno=%d ",errno); 418 perror("accept"); 419#endif 420 return(0); 421 } 422 423/* 424 ling.l_onoff=1; 425 ling.l_linger=0; 426 i=setsockopt(ret,SOL_SOCKET,SO_LINGER,(char *)&ling,sizeof(ling)); 427 if (i < 0) { perror("linger"); return(0); } 428 i=0; 429 i=setsockopt(ret,SOL_SOCKET,SO_KEEPALIVE,(char *)&i,sizeof(i)); 430 if (i < 0) { perror("keepalive"); return(0); } 431*/ 432 433 if (host == NULL) goto end; 434#ifndef BIT_FIELD_LIMITS 435 /* I should use WSAAsyncGetHostByName() under windows */ 436 h1=gethostbyaddr((char *)&from.sin_addr.s_addr, 437 sizeof(from.sin_addr.s_addr),AF_INET); 438#else 439 h1=gethostbyaddr((char *)&from.sin_addr, 440 sizeof(struct in_addr),AF_INET); 441#endif 442 if (h1 == NULL) 443 { 444 BIO_printf(bio_err,"bad gethostbyaddr\n"); 445 *host=NULL; 446 /* return(0); */ 447 } 448 else 449 { 450 if ((*host=(char *)OPENSSL_malloc(strlen(h1->h_name)+1)) == NULL) 451 { 452 perror("OPENSSL_malloc"); 453 return(0); 454 } 455 BUF_strlcpy(*host,h1->h_name,strlen(h1->h_name)+1); 456 457 h2=GetHostByName(*host); 458 if (h2 == NULL) 459 { 460 BIO_printf(bio_err,"gethostbyname failure\n"); 461 return(0); 462 } 463 if (h2->h_addrtype != AF_INET) 464 { 465 BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n"); 466 return(0); 467 } 468 } 469end: 470 *sock=ret; 471 return(1); 472 } 473 474int extract_host_port(char *str, char **host_ptr, unsigned char *ip, 475 short *port_ptr) 476 { 477 char *h,*p; 478 479 h=str; 480 p=strchr(str,':'); 481 if (p == NULL) 482 { 483 BIO_printf(bio_err,"no port defined\n"); 484 return(0); 485 } 486 *(p++)='\0'; 487 488 if ((ip != NULL) && !host_ip(str,ip)) 489 goto err; 490 if (host_ptr != NULL) *host_ptr=h; 491 492 if (!extract_port(p,port_ptr)) 493 goto err; 494 return(1); 495err: 496 return(0); 497 } 498 499static int host_ip(char *str, unsigned char ip[4]) 500 { 501 unsigned int in[4]; 502 int i; 503 504 if (sscanf(str,"%u.%u.%u.%u",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4) 505 { 506 for (i=0; i<4; i++) 507 if (in[i] > 255) 508 { 509 BIO_printf(bio_err,"invalid IP address\n"); 510 goto err; 511 } 512 ip[0]=in[0]; 513 ip[1]=in[1]; 514 ip[2]=in[2]; 515 ip[3]=in[3]; 516 } 517 else 518 { /* do a gethostbyname */ 519 struct hostent *he; 520 521 if (!ssl_sock_init()) return(0); 522 523 he=GetHostByName(str); 524 if (he == NULL) 525 { 526 BIO_printf(bio_err,"gethostbyname failure\n"); 527 goto err; 528 } 529 /* cast to short because of win16 winsock definition */ 530 if ((short)he->h_addrtype != AF_INET) 531 { 532 BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n"); 533 return(0); 534 } 535 ip[0]=he->h_addr_list[0][0]; 536 ip[1]=he->h_addr_list[0][1]; 537 ip[2]=he->h_addr_list[0][2]; 538 ip[3]=he->h_addr_list[0][3]; 539 } 540 return(1); 541err: 542 return(0); 543 } 544 545int extract_port(char *str, short *port_ptr) 546 { 547 int i; 548 struct servent *s; 549 550 i=atoi(str); 551 if (i != 0) 552 *port_ptr=(unsigned short)i; 553 else 554 { 555 s=getservbyname(str,"tcp"); 556 if (s == NULL) 557 { 558 BIO_printf(bio_err,"getservbyname failure for %s\n",str); 559 return(0); 560 } 561 *port_ptr=ntohs((unsigned short)s->s_port); 562 } 563 return(1); 564 } 565 566#define GHBN_NUM 4 567static struct ghbn_cache_st 568 { 569 char name[128]; 570 struct hostent ent; 571 unsigned long order; 572 } ghbn_cache[GHBN_NUM]; 573 574static unsigned long ghbn_hits=0L; 575static unsigned long ghbn_miss=0L; 576 577static struct hostent *GetHostByName(char *name) 578 { 579 struct hostent *ret; 580 int i,lowi=0; 581 unsigned long low= (unsigned long)-1; 582 583 for (i=0; i<GHBN_NUM; i++) 584 { 585 if (low > ghbn_cache[i].order) 586 { 587 low=ghbn_cache[i].order; 588 lowi=i; 589 } 590 if (ghbn_cache[i].order > 0) 591 { 592 if (strncmp(name,ghbn_cache[i].name,128) == 0) 593 break; 594 } 595 } 596 if (i == GHBN_NUM) /* no hit*/ 597 { 598 ghbn_miss++; 599 ret=gethostbyname(name); 600 if (ret == NULL) return(NULL); 601 /* else add to cache */ 602 if(strlen(name) < sizeof ghbn_cache[0].name) 603 { 604 strcpy(ghbn_cache[lowi].name,name); 605 memcpy((char *)&(ghbn_cache[lowi].ent),ret,sizeof(struct hostent)); 606 ghbn_cache[lowi].order=ghbn_miss+ghbn_hits; 607 } 608 return(ret); 609 } 610 else 611 { 612 ghbn_hits++; 613 ret= &(ghbn_cache[i].ent); 614 ghbn_cache[i].order=ghbn_miss+ghbn_hits; 615 return(ret); 616 } 617 } 618 619#endif 620