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Diffstat (limited to 'src/lib/libcrypto/bio/b_sock.c')
-rw-r--r--src/lib/libcrypto/bio/b_sock.c736
1 files changed, 736 insertions, 0 deletions
diff --git a/src/lib/libcrypto/bio/b_sock.c b/src/lib/libcrypto/bio/b_sock.c
new file mode 100644
index 0000000000..dcaef68ea7
--- /dev/null
+++ b/src/lib/libcrypto/bio/b_sock.c
@@ -0,0 +1,736 @@
1/* crypto/bio/b_sock.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef OPENSSL_NO_SOCK
60
61#include <stdio.h>
62#include <stdlib.h>
63#include <errno.h>
64#define USE_SOCKETS
65#include "cryptlib.h"
66#include <openssl/bio.h>
67
68#ifdef OPENSSL_SYS_WIN16
69#define SOCKET_PROTOCOL 0 /* more microsoft stupidity */
70#else
71#define SOCKET_PROTOCOL IPPROTO_TCP
72#endif
73
74#ifdef SO_MAXCONN
75#define MAX_LISTEN SO_MAXCONN
76#elif defined(SOMAXCONN)
77#define MAX_LISTEN SOMAXCONN
78#else
79#define MAX_LISTEN 32
80#endif
81
82#ifdef OPENSSL_SYS_WINDOWS
83static int wsa_init_done=0;
84#endif
85
86static unsigned long BIO_ghbn_hits=0L;
87static unsigned long BIO_ghbn_miss=0L;
88
89#define GHBN_NUM 4
90static struct ghbn_cache_st
91 {
92 char name[129];
93 struct hostent *ent;
94 unsigned long order;
95 } ghbn_cache[GHBN_NUM];
96
97static int get_ip(const char *str,unsigned char *ip);
98#if 0
99static void ghbn_free(struct hostent *a);
100static struct hostent *ghbn_dup(struct hostent *a);
101#endif
102int BIO_get_host_ip(const char *str, unsigned char *ip)
103 {
104 int i;
105 int err = 1;
106 int locked = 0;
107 struct hostent *he;
108
109 i=get_ip(str,ip);
110 if (i < 0)
111 {
112 BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_INVALID_IP_ADDRESS);
113 goto err;
114 }
115
116 /* At this point, we have something that is most probably correct
117 in some way, so let's init the socket. */
118 if (BIO_sock_init() != 1)
119 return 0; /* don't generate another error code here */
120
121 /* If the string actually contained an IP address, we need not do
122 anything more */
123 if (i > 0) return(1);
124
125 /* do a gethostbyname */
126 CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
127 locked = 1;
128 he=BIO_gethostbyname(str);
129 if (he == NULL)
130 {
131 BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_BAD_HOSTNAME_LOOKUP);
132 goto err;
133 }
134
135 /* cast to short because of win16 winsock definition */
136 if ((short)he->h_addrtype != AF_INET)
137 {
138 BIOerr(BIO_F_BIO_GET_HOST_IP,BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
139 goto err;
140 }
141 for (i=0; i<4; i++)
142 ip[i]=he->h_addr_list[0][i];
143 err = 0;
144
145 err:
146 if (locked)
147 CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
148 if (err)
149 {
150 ERR_add_error_data(2,"host=",str);
151 return 0;
152 }
153 else
154 return 1;
155 }
156
157int BIO_get_port(const char *str, unsigned short *port_ptr)
158 {
159 int i;
160 struct servent *s;
161
162 if (str == NULL)
163 {
164 BIOerr(BIO_F_BIO_GET_PORT,BIO_R_NO_PORT_DEFINED);
165 return(0);
166 }
167 i=atoi(str);
168 if (i != 0)
169 *port_ptr=(unsigned short)i;
170 else
171 {
172 CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME);
173 /* Note: under VMS with SOCKETSHR, it seems like the first
174 * parameter is 'char *', instead of 'const char *'
175 */
176 s=getservbyname(
177#ifndef CONST_STRICT
178 (char *)
179#endif
180 str,"tcp");
181 if(s != NULL)
182 *port_ptr=ntohs((unsigned short)s->s_port);
183 CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME);
184 if(s == NULL)
185 {
186 if (strcmp(str,"http") == 0)
187 *port_ptr=80;
188 else if (strcmp(str,"telnet") == 0)
189 *port_ptr=23;
190 else if (strcmp(str,"socks") == 0)
191 *port_ptr=1080;
192 else if (strcmp(str,"https") == 0)
193 *port_ptr=443;
194 else if (strcmp(str,"ssl") == 0)
195 *port_ptr=443;
196 else if (strcmp(str,"ftp") == 0)
197 *port_ptr=21;
198 else if (strcmp(str,"gopher") == 0)
199 *port_ptr=70;
200#if 0
201 else if (strcmp(str,"wais") == 0)
202 *port_ptr=21;
203#endif
204 else
205 {
206 SYSerr(SYS_F_GETSERVBYNAME,get_last_socket_error());
207 ERR_add_error_data(3,"service='",str,"'");
208 return(0);
209 }
210 }
211 }
212 return(1);
213 }
214
215int BIO_sock_error(int sock)
216 {
217 int j,i;
218 int size;
219
220 size=sizeof(int);
221 /* Note: under Windows the third parameter is of type (char *)
222 * whereas under other systems it is (void *) if you don't have
223 * a cast it will choke the compiler: if you do have a cast then
224 * you can either go for (char *) or (void *).
225 */
226 i=getsockopt(sock,SOL_SOCKET,SO_ERROR,(void *)&j,(void *)&size);
227 if (i < 0)
228 return(1);
229 else
230 return(j);
231 }
232
233long BIO_ghbn_ctrl(int cmd, int iarg, char *parg)
234 {
235 int i;
236 char **p;
237
238 switch (cmd)
239 {
240 case BIO_GHBN_CTRL_HITS:
241 return(BIO_ghbn_hits);
242 /* break; */
243 case BIO_GHBN_CTRL_MISSES:
244 return(BIO_ghbn_miss);
245 /* break; */
246 case BIO_GHBN_CTRL_CACHE_SIZE:
247 return(GHBN_NUM);
248 /* break; */
249 case BIO_GHBN_CTRL_GET_ENTRY:
250 if ((iarg >= 0) && (iarg <GHBN_NUM) &&
251 (ghbn_cache[iarg].order > 0))
252 {
253 p=(char **)parg;
254 if (p == NULL) return(0);
255 *p=ghbn_cache[iarg].name;
256 ghbn_cache[iarg].name[128]='\0';
257 return(1);
258 }
259 return(0);
260 /* break; */
261 case BIO_GHBN_CTRL_FLUSH:
262 for (i=0; i<GHBN_NUM; i++)
263 ghbn_cache[i].order=0;
264 break;
265 default:
266 return(0);
267 }
268 return(1);
269 }
270
271#if 0
272static struct hostent *ghbn_dup(struct hostent *a)
273 {
274 struct hostent *ret;
275 int i,j;
276
277 MemCheck_off();
278 ret=(struct hostent *)OPENSSL_malloc(sizeof(struct hostent));
279 if (ret == NULL) return(NULL);
280 memset(ret,0,sizeof(struct hostent));
281
282 for (i=0; a->h_aliases[i] != NULL; i++)
283 ;
284 i++;
285 ret->h_aliases = (char **)OPENSSL_malloc(i*sizeof(char *));
286 if (ret->h_aliases == NULL)
287 goto err;
288 memset(ret->h_aliases, 0, i*sizeof(char *));
289
290 for (i=0; a->h_addr_list[i] != NULL; i++)
291 ;
292 i++;
293 ret->h_addr_list=(char **)OPENSSL_malloc(i*sizeof(char *));
294 if (ret->h_addr_list == NULL)
295 goto err;
296 memset(ret->h_addr_list, 0, i*sizeof(char *));
297
298 j=strlen(a->h_name)+1;
299 if ((ret->h_name=OPENSSL_malloc(j)) == NULL) goto err;
300 memcpy((char *)ret->h_name,a->h_name,j);
301 for (i=0; a->h_aliases[i] != NULL; i++)
302 {
303 j=strlen(a->h_aliases[i])+1;
304 if ((ret->h_aliases[i]=OPENSSL_malloc(j)) == NULL) goto err;
305 memcpy(ret->h_aliases[i],a->h_aliases[i],j);
306 }
307 ret->h_length=a->h_length;
308 ret->h_addrtype=a->h_addrtype;
309 for (i=0; a->h_addr_list[i] != NULL; i++)
310 {
311 if ((ret->h_addr_list[i]=OPENSSL_malloc(a->h_length)) == NULL)
312 goto err;
313 memcpy(ret->h_addr_list[i],a->h_addr_list[i],a->h_length);
314 }
315 if (0)
316 {
317err:
318 if (ret != NULL)
319 ghbn_free(ret);
320 ret=NULL;
321 }
322 MemCheck_on();
323 return(ret);
324 }
325
326static void ghbn_free(struct hostent *a)
327 {
328 int i;
329
330 if(a == NULL)
331 return;
332
333 if (a->h_aliases != NULL)
334 {
335 for (i=0; a->h_aliases[i] != NULL; i++)
336 OPENSSL_free(a->h_aliases[i]);
337 OPENSSL_free(a->h_aliases);
338 }
339 if (a->h_addr_list != NULL)
340 {
341 for (i=0; a->h_addr_list[i] != NULL; i++)
342 OPENSSL_free(a->h_addr_list[i]);
343 OPENSSL_free(a->h_addr_list);
344 }
345 if (a->h_name != NULL) OPENSSL_free(a->h_name);
346 OPENSSL_free(a);
347 }
348
349#endif
350
351struct hostent *BIO_gethostbyname(const char *name)
352 {
353#if 1
354 /* Caching gethostbyname() results forever is wrong,
355 * so we have to let the true gethostbyname() worry about this */
356 return gethostbyname(name);
357#else
358 struct hostent *ret;
359 int i,lowi=0,j;
360 unsigned long low= (unsigned long)-1;
361
362
363# if 0
364 /* It doesn't make sense to use locking here: The function interface
365 * is not thread-safe, because threads can never be sure when
366 * some other thread destroys the data they were given a pointer to.
367 */
368 CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME);
369# endif
370 j=strlen(name);
371 if (j < 128)
372 {
373 for (i=0; i<GHBN_NUM; i++)
374 {
375 if (low > ghbn_cache[i].order)
376 {
377 low=ghbn_cache[i].order;
378 lowi=i;
379 }
380 if (ghbn_cache[i].order > 0)
381 {
382 if (strncmp(name,ghbn_cache[i].name,128) == 0)
383 break;
384 }
385 }
386 }
387 else
388 i=GHBN_NUM;
389
390 if (i == GHBN_NUM) /* no hit*/
391 {
392 BIO_ghbn_miss++;
393 /* Note: under VMS with SOCKETSHR, it seems like the first
394 * parameter is 'char *', instead of 'const char *'
395 */
396 ret=gethostbyname(
397# ifndef CONST_STRICT
398 (char *)
399# endif
400 name);
401
402 if (ret == NULL)
403 goto end;
404 if (j > 128) /* too big to cache */
405 {
406# if 0
407 /* If we were trying to make this function thread-safe (which
408 * is bound to fail), we'd have to give up in this case
409 * (or allocate more memory). */
410 ret = NULL;
411# endif
412 goto end;
413 }
414
415 /* else add to cache */
416 if (ghbn_cache[lowi].ent != NULL)
417 ghbn_free(ghbn_cache[lowi].ent); /* XXX not thread-safe */
418 ghbn_cache[lowi].name[0] = '\0';
419
420 if((ret=ghbn_cache[lowi].ent=ghbn_dup(ret)) == NULL)
421 {
422 BIOerr(BIO_F_BIO_GETHOSTBYNAME,ERR_R_MALLOC_FAILURE);
423 goto end;
424 }
425 strncpy(ghbn_cache[lowi].name,name,128);
426 ghbn_cache[lowi].order=BIO_ghbn_miss+BIO_ghbn_hits;
427 }
428 else
429 {
430 BIO_ghbn_hits++;
431 ret= ghbn_cache[i].ent;
432 ghbn_cache[i].order=BIO_ghbn_miss+BIO_ghbn_hits;
433 }
434end:
435# if 0
436 CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME);
437# endif
438 return(ret);
439#endif
440 }
441
442
443int BIO_sock_init(void)
444 {
445#ifdef OPENSSL_SYS_WINDOWS
446 static struct WSAData wsa_state;
447
448 if (!wsa_init_done)
449 {
450 int err;
451
452#ifdef SIGINT
453 signal(SIGINT,(void (*)(int))BIO_sock_cleanup);
454#endif
455 wsa_init_done=1;
456 memset(&wsa_state,0,sizeof(wsa_state));
457 if (WSAStartup(0x0101,&wsa_state)!=0)
458 {
459 err=WSAGetLastError();
460 SYSerr(SYS_F_WSASTARTUP,err);
461 BIOerr(BIO_F_BIO_SOCK_INIT,BIO_R_WSASTARTUP);
462 return(-1);
463 }
464 }
465#endif /* OPENSSL_SYS_WINDOWS */
466 return(1);
467 }
468
469void BIO_sock_cleanup(void)
470 {
471#ifdef OPENSSL_SYS_WINDOWS
472 if (wsa_init_done)
473 {
474 wsa_init_done=0;
475 WSACancelBlockingCall();
476 WSACleanup();
477 }
478#endif
479 }
480
481#if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000
482
483int BIO_socket_ioctl(int fd, long type, unsigned long *arg)
484 {
485 int i;
486
487 i=ioctlsocket(fd,type,arg);
488 if (i < 0)
489 SYSerr(SYS_F_IOCTLSOCKET,get_last_socket_error());
490 return(i);
491 }
492#endif /* __VMS_VER */
493
494/* The reason I have implemented this instead of using sscanf is because
495 * Visual C 1.52c gives an unresolved external when linking a DLL :-( */
496static int get_ip(const char *str, unsigned char ip[4])
497 {
498 unsigned int tmp[4];
499 int num=0,c,ok=0;
500
501 tmp[0]=tmp[1]=tmp[2]=tmp[3]=0;
502
503 for (;;)
504 {
505 c= *(str++);
506 if ((c >= '0') && (c <= '9'))
507 {
508 ok=1;
509 tmp[num]=tmp[num]*10+c-'0';
510 if (tmp[num] > 255) return(0);
511 }
512 else if (c == '.')
513 {
514 if (!ok) return(-1);
515 if (num == 3) return(0);
516 num++;
517 ok=0;
518 }
519 else if (c == '\0' && (num == 3) && ok)
520 break;
521 else
522 return(0);
523 }
524 ip[0]=tmp[0];
525 ip[1]=tmp[1];
526 ip[2]=tmp[2];
527 ip[3]=tmp[3];
528 return(1);
529 }
530
531int BIO_get_accept_socket(char *host, int bind_mode)
532 {
533 int ret=0;
534 struct sockaddr_in server,client;
535 int s=INVALID_SOCKET,cs;
536 unsigned char ip[4];
537 unsigned short port;
538 char *str=NULL,*e;
539 const char *h,*p;
540 unsigned long l;
541 int err_num;
542
543 if (BIO_sock_init() != 1) return(INVALID_SOCKET);
544
545 if ((str=BUF_strdup(host)) == NULL) return(INVALID_SOCKET);
546
547 h=p=NULL;
548 h=str;
549 for (e=str; *e; e++)
550 {
551 if (*e == ':')
552 {
553 p= &(e[1]);
554 *e='\0';
555 }
556 else if (*e == '/')
557 {
558 *e='\0';
559 break;
560 }
561 }
562
563 if (p == NULL)
564 {
565 p=h;
566 h="*";
567 }
568
569 if (!BIO_get_port(p,&port)) goto err;
570
571 memset((char *)&server,0,sizeof(server));
572 server.sin_family=AF_INET;
573 server.sin_port=htons(port);
574
575 if (strcmp(h,"*") == 0)
576 server.sin_addr.s_addr=INADDR_ANY;
577 else
578 {
579 if (!BIO_get_host_ip(h,&(ip[0]))) goto err;
580 l=(unsigned long)
581 ((unsigned long)ip[0]<<24L)|
582 ((unsigned long)ip[1]<<16L)|
583 ((unsigned long)ip[2]<< 8L)|
584 ((unsigned long)ip[3]);
585 server.sin_addr.s_addr=htonl(l);
586 }
587
588again:
589 s=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
590 if (s == INVALID_SOCKET)
591 {
592 SYSerr(SYS_F_SOCKET,get_last_socket_error());
593 ERR_add_error_data(3,"port='",host,"'");
594 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_CREATE_SOCKET);
595 goto err;
596 }
597
598#ifdef SO_REUSEADDR
599 if (bind_mode == BIO_BIND_REUSEADDR)
600 {
601 int i=1;
602
603 ret=setsockopt(s,SOL_SOCKET,SO_REUSEADDR,(char *)&i,sizeof(i));
604 bind_mode=BIO_BIND_NORMAL;
605 }
606#endif
607 if (bind(s,(struct sockaddr *)&server,sizeof(server)) == -1)
608 {
609#ifdef SO_REUSEADDR
610 err_num=get_last_socket_error();
611 if ((bind_mode == BIO_BIND_REUSEADDR_IF_UNUSED) &&
612 (err_num == EADDRINUSE))
613 {
614 memcpy((char *)&client,(char *)&server,sizeof(server));
615 if (strcmp(h,"*") == 0)
616 client.sin_addr.s_addr=htonl(0x7F000001);
617 cs=socket(AF_INET,SOCK_STREAM,SOCKET_PROTOCOL);
618 if (cs != INVALID_SOCKET)
619 {
620 int ii;
621 ii=connect(cs,(struct sockaddr *)&client,
622 sizeof(client));
623 closesocket(cs);
624 if (ii == INVALID_SOCKET)
625 {
626 bind_mode=BIO_BIND_REUSEADDR;
627 closesocket(s);
628 goto again;
629 }
630 /* else error */
631 }
632 /* else error */
633 }
634#endif
635 SYSerr(SYS_F_BIND,err_num);
636 ERR_add_error_data(3,"port='",host,"'");
637 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_BIND_SOCKET);
638 goto err;
639 }
640 if (listen(s,MAX_LISTEN) == -1)
641 {
642 SYSerr(SYS_F_BIND,get_last_socket_error());
643 ERR_add_error_data(3,"port='",host,"'");
644 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET,BIO_R_UNABLE_TO_LISTEN_SOCKET);
645 goto err;
646 }
647 ret=1;
648err:
649 if (str != NULL) OPENSSL_free(str);
650 if ((ret == 0) && (s != INVALID_SOCKET))
651 {
652 closesocket(s);
653 s= INVALID_SOCKET;
654 }
655 return(s);
656 }
657
658int BIO_accept(int sock, char **addr)
659 {
660 int ret=INVALID_SOCKET;
661 static struct sockaddr_in from;
662 unsigned long l;
663 unsigned short port;
664 int len;
665 char *p;
666
667 memset((char *)&from,0,sizeof(from));
668 len=sizeof(from);
669 /* Note: under VMS with SOCKETSHR the fourth parameter is currently
670 * of type (int *) whereas under other systems it is (void *) if
671 * you don't have a cast it will choke the compiler: if you do
672 * have a cast then you can either go for (int *) or (void *).
673 */
674 ret=accept(sock,(struct sockaddr *)&from,(void *)&len);
675 if (ret == INVALID_SOCKET)
676 {
677 if(BIO_sock_should_retry(ret)) return -2;
678 SYSerr(SYS_F_ACCEPT,get_last_socket_error());
679 BIOerr(BIO_F_BIO_ACCEPT,BIO_R_ACCEPT_ERROR);
680 goto end;
681 }
682
683 if (addr == NULL) goto end;
684
685 l=ntohl(from.sin_addr.s_addr);
686 port=ntohs(from.sin_port);
687 if (*addr == NULL)
688 {
689 if ((p=OPENSSL_malloc(24)) == NULL)
690 {
691 BIOerr(BIO_F_BIO_ACCEPT,ERR_R_MALLOC_FAILURE);
692 goto end;
693 }
694 *addr=p;
695 }
696 sprintf(*addr,"%d.%d.%d.%d:%d",
697 (unsigned char)(l>>24L)&0xff,
698 (unsigned char)(l>>16L)&0xff,
699 (unsigned char)(l>> 8L)&0xff,
700 (unsigned char)(l )&0xff,
701 port);
702end:
703 return(ret);
704 }
705
706int BIO_set_tcp_ndelay(int s, int on)
707 {
708 int ret=0;
709#if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
710 int opt;
711
712#ifdef SOL_TCP
713 opt=SOL_TCP;
714#else
715#ifdef IPPROTO_TCP
716 opt=IPPROTO_TCP;
717#endif
718#endif
719
720 ret=setsockopt(s,opt,TCP_NODELAY,(char *)&on,sizeof(on));
721#endif
722 return(ret == 0);
723 }
724#endif
725
726int BIO_socket_nbio(int s, int mode)
727 {
728 int ret= -1;
729 unsigned long l;
730
731 l=mode;
732#ifdef FIONBIO
733 ret=BIO_socket_ioctl(s,FIONBIO,&l);
734#endif
735 return(ret == 0);
736 }