1 /* crypto/bio/b_sock.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
64 #include <openssl/bio.h>
65 #if defined(OPENSSL_SYS_NETWARE) && defined(NETWARE_BSDSOCK)
67 # if defined(NETWARE_CLIB)
68 # include <sys/ioctl.h>
72 #ifndef OPENSSL_NO_SOCK
73 # include <openssl/dso.h>
74 # define SOCKET_PROTOCOL IPPROTO_TCP
76 # define MAX_LISTEN SO_MAXCONN
77 # elif defined(SOMAXCONN)
78 # define MAX_LISTEN SOMAXCONN
80 # define MAX_LISTEN 32
82 # if defined(OPENSSL_SYS_WINDOWS) || (defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK))
83 static int wsa_init_done
= 0;
87 * WSAAPI specifier is required to make indirect calls to run-time
88 * linked WinSock 2 functions used in this module, to be specific
89 * [get|free]addrinfo and getnameinfo. This is because WinSock uses
90 * uses non-C calling convention, __stdcall vs. __cdecl, on x86
91 * Windows. On non-WinSock platforms WSAAPI needs to be void.
98 static unsigned long BIO_ghbn_hits
= 0L;
99 static unsigned long BIO_ghbn_miss
= 0L;
102 static struct ghbn_cache_st
{
106 } ghbn_cache
[GHBN_NUM
];
109 static int get_ip(const char *str
, unsigned char *ip
);
111 static void ghbn_free(struct hostent
*a
);
112 static struct hostent
*ghbn_dup(struct hostent
*a
);
114 int BIO_get_host_ip(const char *str
, unsigned char *ip
)
123 BIOerr(BIO_F_BIO_GET_HOST_IP
, BIO_R_INVALID_IP_ADDRESS
);
128 * At this point, we have something that is most probably correct in some
129 * way, so let's init the socket.
131 if (BIO_sock_init() != 1)
132 return 0; /* don't generate another error code here */
135 * If the string actually contained an IP address, we need not do
141 /* do a gethostbyname */
142 CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME
);
144 he
= BIO_gethostbyname(str
);
146 BIOerr(BIO_F_BIO_GET_HOST_IP
, BIO_R_BAD_HOSTNAME_LOOKUP
);
150 /* cast to short because of win16 winsock definition */
151 if ((short)he
->h_addrtype
!= AF_INET
) {
152 BIOerr(BIO_F_BIO_GET_HOST_IP
,
153 BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET
);
156 for (i
= 0; i
< 4; i
++)
157 ip
[i
] = he
->h_addr_list
[0][i
];
162 CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME
);
164 ERR_add_error_data(2, "host=", str
);
170 int BIO_get_port(const char *str
, unsigned short *port_ptr
)
176 BIOerr(BIO_F_BIO_GET_PORT
, BIO_R_NO_PORT_DEFINED
);
181 *port_ptr
= (unsigned short)i
;
183 CRYPTO_w_lock(CRYPTO_LOCK_GETSERVBYNAME
);
185 * Note: under VMS with SOCKETSHR, it seems like the first parameter
186 * is 'char *', instead of 'const char *'
188 # ifndef CONST_STRICT
189 s
= getservbyname((char *)str
, "tcp");
191 s
= getservbyname(str
, "tcp");
194 *port_ptr
= ntohs((unsigned short)s
->s_port
);
195 CRYPTO_w_unlock(CRYPTO_LOCK_GETSERVBYNAME
);
197 if (strcmp(str
, "http") == 0)
199 else if (strcmp(str
, "telnet") == 0)
201 else if (strcmp(str
, "socks") == 0)
203 else if (strcmp(str
, "https") == 0)
205 else if (strcmp(str
, "ssl") == 0)
207 else if (strcmp(str
, "ftp") == 0)
209 else if (strcmp(str
, "gopher") == 0)
212 else if (strcmp(str
, "wais") == 0)
216 SYSerr(SYS_F_GETSERVBYNAME
, get_last_socket_error());
217 ERR_add_error_data(3, "service='", str
, "'");
225 int BIO_sock_error(int sock
)
233 # if defined(OPENSSL_SYS_BEOS_R5)
237 /* heuristic way to adapt for platforms that expect 64-bit optlen */
238 size
.s
= 0, size
.i
= sizeof(j
);
240 * Note: under Windows the third parameter is of type (char *) whereas
241 * under other systems it is (void *) if you don't have a cast it will
242 * choke the compiler: if you do have a cast then you can either go for
243 * (char *) or (void *).
245 i
= getsockopt(sock
, SOL_SOCKET
, SO_ERROR
, (void *)&j
, (void *)&size
);
253 long BIO_ghbn_ctrl(int cmd
, int iarg
, char *parg
)
259 case BIO_GHBN_CTRL_HITS
:
260 return (BIO_ghbn_hits
);
262 case BIO_GHBN_CTRL_MISSES
:
263 return (BIO_ghbn_miss
);
265 case BIO_GHBN_CTRL_CACHE_SIZE
:
268 case BIO_GHBN_CTRL_GET_ENTRY
:
269 if ((iarg
>= 0) && (iarg
< GHBN_NUM
) && (ghbn_cache
[iarg
].order
> 0)) {
273 *p
= ghbn_cache
[iarg
].name
;
274 ghbn_cache
[iarg
].name
[128] = '\0';
279 case BIO_GHBN_CTRL_FLUSH
:
280 for (i
= 0; i
< GHBN_NUM
; i
++)
281 ghbn_cache
[i
].order
= 0;
291 static struct hostent
*ghbn_dup(struct hostent
*a
)
297 ret
= (struct hostent
*)OPENSSL_malloc(sizeof(struct hostent
));
300 memset(ret
, 0, sizeof(struct hostent
));
302 for (i
= 0; a
->h_aliases
[i
] != NULL
; i
++) ;
304 ret
->h_aliases
= (char **)OPENSSL_malloc(i
* sizeof(char *));
305 if (ret
->h_aliases
== NULL
)
307 memset(ret
->h_aliases
, 0, i
* sizeof(char *));
309 for (i
= 0; a
->h_addr_list
[i
] != NULL
; i
++) ;
311 ret
->h_addr_list
= (char **)OPENSSL_malloc(i
* sizeof(char *));
312 if (ret
->h_addr_list
== NULL
)
314 memset(ret
->h_addr_list
, 0, i
* sizeof(char *));
316 j
= strlen(a
->h_name
) + 1;
317 if ((ret
->h_name
= OPENSSL_malloc(j
)) == NULL
)
319 memcpy((char *)ret
->h_name
, a
->h_name
, j
);
320 for (i
= 0; a
->h_aliases
[i
] != NULL
; i
++) {
321 j
= strlen(a
->h_aliases
[i
]) + 1;
322 if ((ret
->h_aliases
[i
] = OPENSSL_malloc(j
)) == NULL
)
324 memcpy(ret
->h_aliases
[i
], a
->h_aliases
[i
], j
);
326 ret
->h_length
= a
->h_length
;
327 ret
->h_addrtype
= a
->h_addrtype
;
328 for (i
= 0; a
->h_addr_list
[i
] != NULL
; i
++) {
329 if ((ret
->h_addr_list
[i
] = OPENSSL_malloc(a
->h_length
)) == NULL
)
331 memcpy(ret
->h_addr_list
[i
], a
->h_addr_list
[i
], a
->h_length
);
343 static void ghbn_free(struct hostent
*a
)
350 if (a
->h_aliases
!= NULL
) {
351 for (i
= 0; a
->h_aliases
[i
] != NULL
; i
++)
352 OPENSSL_free(a
->h_aliases
[i
]);
353 OPENSSL_free(a
->h_aliases
);
355 if (a
->h_addr_list
!= NULL
) {
356 for (i
= 0; a
->h_addr_list
[i
] != NULL
; i
++)
357 OPENSSL_free(a
->h_addr_list
[i
]);
358 OPENSSL_free(a
->h_addr_list
);
360 if (a
->h_name
!= NULL
)
361 OPENSSL_free(a
->h_name
);
367 struct hostent
*BIO_gethostbyname(const char *name
)
371 * Caching gethostbyname() results forever is wrong, so we have to let
372 * the true gethostbyname() worry about this
374 # if (defined(NETWARE_BSDSOCK) && !defined(__NOVELL_LIBC__))
375 return gethostbyname((char *)name
);
377 return gethostbyname(name
);
382 unsigned long low
= (unsigned long)-1;
386 * It doesn't make sense to use locking here: The function interface is
387 * not thread-safe, because threads can never be sure when some other
388 * thread destroys the data they were given a pointer to.
390 CRYPTO_w_lock(CRYPTO_LOCK_GETHOSTBYNAME
);
394 for (i
= 0; i
< GHBN_NUM
; i
++) {
395 if (low
> ghbn_cache
[i
].order
) {
396 low
= ghbn_cache
[i
].order
;
399 if (ghbn_cache
[i
].order
> 0) {
400 if (strncmp(name
, ghbn_cache
[i
].name
, 128) == 0)
407 if (i
== GHBN_NUM
) { /* no hit */
410 * Note: under VMS with SOCKETSHR, it seems like the first parameter
411 * is 'char *', instead of 'const char *'
413 # ifndef CONST_STRICT
414 ret
= gethostbyname((char *)name
);
416 ret
= gethostbyname(name
);
421 if (j
> 128) { /* too big to cache */
424 * If we were trying to make this function thread-safe (which is
425 * bound to fail), we'd have to give up in this case (or allocate
433 /* else add to cache */
434 if (ghbn_cache
[lowi
].ent
!= NULL
)
435 ghbn_free(ghbn_cache
[lowi
].ent
); /* XXX not thread-safe */
436 ghbn_cache
[lowi
].name
[0] = '\0';
438 if ((ret
= ghbn_cache
[lowi
].ent
= ghbn_dup(ret
)) == NULL
) {
439 BIOerr(BIO_F_BIO_GETHOSTBYNAME
, ERR_R_MALLOC_FAILURE
);
442 strncpy(ghbn_cache
[lowi
].name
, name
, 128);
443 ghbn_cache
[lowi
].order
= BIO_ghbn_miss
+ BIO_ghbn_hits
;
446 ret
= ghbn_cache
[i
].ent
;
447 ghbn_cache
[i
].order
= BIO_ghbn_miss
+ BIO_ghbn_hits
;
451 CRYPTO_w_unlock(CRYPTO_LOCK_GETHOSTBYNAME
);
457 int BIO_sock_init(void)
459 # ifdef OPENSSL_SYS_WINDOWS
460 static struct WSAData wsa_state
;
462 if (!wsa_init_done
) {
466 memset(&wsa_state
, 0, sizeof(wsa_state
));
468 * Not making wsa_state available to the rest of the code is formally
469 * wrong. But the structures we use are [beleived to be] invariable
470 * among Winsock DLLs, while API availability is [expected to be]
471 * probed at run-time with DSO_global_lookup.
473 if (WSAStartup(0x0202, &wsa_state
) != 0) {
474 err
= WSAGetLastError();
475 SYSerr(SYS_F_WSASTARTUP
, err
);
476 BIOerr(BIO_F_BIO_SOCK_INIT
, BIO_R_WSASTARTUP
);
480 # endif /* OPENSSL_SYS_WINDOWS */
482 extern int _watt_do_exit
;
483 _watt_do_exit
= 0; /* don't make sock_init() call exit() */
488 # if defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
493 if (!wsa_init_done
) {
495 wVerReq
= MAKEWORD(2, 0);
496 err
= WSAStartup(wVerReq
, &wsaData
);
498 SYSerr(SYS_F_WSASTARTUP
, err
);
499 BIOerr(BIO_F_BIO_SOCK_INIT
, BIO_R_WSASTARTUP
);
508 void BIO_sock_cleanup(void)
510 # ifdef OPENSSL_SYS_WINDOWS
513 # if 0 /* this call is claimed to be non-present in
515 WSACancelBlockingCall();
519 # elif defined(OPENSSL_SYS_NETWARE) && !defined(NETWARE_BSDSOCK)
527 # if !defined(OPENSSL_SYS_VMS) || __VMS_VER >= 70000000
529 int BIO_socket_ioctl(int fd
, long type
, void *arg
)
534 i
= ioctlsocket(fd
, type
, (char *)arg
);
536 # if defined(OPENSSL_SYS_VMS)
539 * VMS ioctl() can't tolerate a 64-bit "void *arg", but we
540 * observe that all the consumers pass in an "unsigned long *",
541 * so we arrange a local copy with a short pointer, and use
544 # if __INITIAL_POINTER_SIZE == 64
546 # pragma pointer_size save
547 # pragma pointer_size 32
548 unsigned long arg_32
;
549 unsigned long *arg_32p
;
550 # pragma pointer_size restore
552 arg_32
= *((unsigned long *)arg
);
553 # else /* __INITIAL_POINTER_SIZE == 64 */
555 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
556 # else /* defined(OPENSSL_SYS_VMS) */
558 # endif /* defined(OPENSSL_SYS_VMS) [else] */
560 i
= ioctlsocket(fd
, type
, ARG
);
561 # endif /* __DJGPP__ */
563 SYSerr(SYS_F_IOCTLSOCKET
, get_last_socket_error());
566 # endif /* __VMS_VER */
569 * The reason I have implemented this instead of using sscanf is because
570 * Visual C 1.52c gives an unresolved external when linking a DLL :-(
572 static int get_ip(const char *str
, unsigned char ip
[4])
575 int num
= 0, c
, ok
= 0;
577 tmp
[0] = tmp
[1] = tmp
[2] = tmp
[3] = 0;
581 if ((c
>= '0') && (c
<= '9')) {
583 tmp
[num
] = tmp
[num
] * 10 + c
- '0';
586 } else if (c
== '.') {
593 } else if (c
== '\0' && (num
== 3) && ok
)
605 int BIO_get_accept_socket(char *host
, int bind_mode
)
610 struct sockaddr_in sa_in
;
611 # if OPENSSL_USE_IPV6
612 struct sockaddr_in6 sa_in6
;
615 int s
= INVALID_SOCKET
, cs
, addrlen
;
618 char *str
= NULL
, *e
;
623 if (BIO_sock_init() != 1)
624 return (INVALID_SOCKET
);
626 if ((str
= BUF_strdup(host
)) == NULL
)
627 return (INVALID_SOCKET
);
631 for (e
= str
; *e
; e
++) {
634 } else if (*e
== '/') {
640 *p
++ = '\0'; /* points at last ':', '::port' is special
649 int (WSAAPI
*f
) (const char *, const char *,
650 const struct addrinfo
*, struct addrinfo
**);
656 void (WSAAPI
*f
) (struct addrinfo
*);
660 struct addrinfo
*res
, hint
;
662 if (p_getaddrinfo
.p
== NULL
) {
663 if ((p_getaddrinfo
.p
= DSO_global_lookup("getaddrinfo")) == NULL
664 || (p_freeaddrinfo
.p
=
665 DSO_global_lookup("freeaddrinfo")) == NULL
)
666 p_getaddrinfo
.p
= (void *)-1;
668 if (p_getaddrinfo
.p
== (void *)-1)
672 * '::port' enforces IPv6 wildcard listener. Some OSes, e.g. Solaris,
673 * default to IPv6 without any hint. Also note that commonly IPv6
674 * wildchard socket can service IPv4 connections just as well...
676 memset(&hint
, 0, sizeof(hint
));
677 hint
.ai_flags
= AI_PASSIVE
;
679 if (strchr(h
, ':')) {
682 # if OPENSSL_USE_IPV6
683 hint
.ai_family
= AF_INET6
;
687 } else if (h
[0] == '*' && h
[1] == '\0') {
688 hint
.ai_family
= AF_INET
;
693 if ((*p_getaddrinfo
.f
) (h
, p
, &hint
, &res
))
696 addrlen
= res
->ai_addrlen
<= sizeof(server
) ?
697 res
->ai_addrlen
: sizeof(server
);
698 memcpy(&server
, res
->ai_addr
, addrlen
);
700 (*p_freeaddrinfo
.f
) (res
);
705 if (!BIO_get_port(p
, &port
))
708 memset((char *)&server
, 0, sizeof(server
));
709 server
.sa_in
.sin_family
= AF_INET
;
710 server
.sa_in
.sin_port
= htons(port
);
711 addrlen
= sizeof(server
.sa_in
);
713 if (h
== NULL
|| strcmp(h
, "*") == 0)
714 server
.sa_in
.sin_addr
.s_addr
= INADDR_ANY
;
716 if (!BIO_get_host_ip(h
, &(ip
[0])))
719 ((unsigned long)ip
[0] << 24L) |
720 ((unsigned long)ip
[1] << 16L) |
721 ((unsigned long)ip
[2] << 8L) | ((unsigned long)ip
[3]);
722 server
.sa_in
.sin_addr
.s_addr
= htonl(l
);
726 s
= socket(server
.sa
.sa_family
, SOCK_STREAM
, SOCKET_PROTOCOL
);
727 if (s
== INVALID_SOCKET
) {
728 SYSerr(SYS_F_SOCKET
, get_last_socket_error());
729 ERR_add_error_data(3, "port='", host
, "'");
730 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET
, BIO_R_UNABLE_TO_CREATE_SOCKET
);
734 if (bind_mode
== BIO_BIND_REUSEADDR
) {
737 ret
= setsockopt(s
, SOL_SOCKET
, SO_REUSEADDR
, (char *)&i
, sizeof(i
));
738 bind_mode
= BIO_BIND_NORMAL
;
741 if (bind(s
, &server
.sa
, addrlen
) == -1) {
743 err_num
= get_last_socket_error();
744 if ((bind_mode
== BIO_BIND_REUSEADDR_IF_UNUSED
) &&
745 # ifdef OPENSSL_SYS_WINDOWS
747 * Some versions of Windows define EADDRINUSE to a dummy value.
749 (err_num
== WSAEADDRINUSE
))
751 (err_num
== EADDRINUSE
))
755 if (h
== NULL
|| strcmp(h
, "*") == 0) {
756 # if OPENSSL_USE_IPV6
757 if (client
.sa
.sa_family
== AF_INET6
) {
758 memset(&client
.sa_in6
.sin6_addr
, 0,
759 sizeof(client
.sa_in6
.sin6_addr
));
760 client
.sa_in6
.sin6_addr
.s6_addr
[15] = 1;
763 if (client
.sa
.sa_family
== AF_INET
) {
764 client
.sa_in
.sin_addr
.s_addr
= htonl(0x7F000001);
768 cs
= socket(client
.sa
.sa_family
, SOCK_STREAM
, SOCKET_PROTOCOL
);
769 if (cs
!= INVALID_SOCKET
) {
771 ii
= connect(cs
, &client
.sa
, addrlen
);
773 if (ii
== INVALID_SOCKET
) {
774 bind_mode
= BIO_BIND_REUSEADDR
;
783 SYSerr(SYS_F_BIND
, err_num
);
784 ERR_add_error_data(3, "port='", host
, "'");
785 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET
, BIO_R_UNABLE_TO_BIND_SOCKET
);
788 if (listen(s
, MAX_LISTEN
) == -1) {
789 SYSerr(SYS_F_BIND
, get_last_socket_error());
790 ERR_add_error_data(3, "port='", host
, "'");
791 BIOerr(BIO_F_BIO_GET_ACCEPT_SOCKET
, BIO_R_UNABLE_TO_LISTEN_SOCKET
);
798 if ((ret
== 0) && (s
!= INVALID_SOCKET
)) {
805 int BIO_accept(int sock
, char **addr
)
807 int ret
= INVALID_SOCKET
;
814 * As for following union. Trouble is that there are platforms
815 * that have socklen_t and there are platforms that don't, on
816 * some platforms socklen_t is int and on some size_t. So what
817 * one can do? One can cook #ifdef spaghetti, which is nothing
818 * but masochistic. Or one can do union between int and size_t.
819 * One naturally does it primarily for 64-bit platforms where
820 * sizeof(int) != sizeof(size_t). But would it work? Note that
821 * if size_t member is initialized to 0, then later int member
822 * assignment naturally does the job on little-endian platforms
823 * regardless accept's expectations! What about big-endians?
824 * If accept expects int*, then it works, and if size_t*, then
825 * length value would appear as unreasonably large. But this
826 * won't prevent it from filling in the address structure. The
827 * trouble of course would be if accept returns more data than
828 * actual buffer can accomodate and overwrite stack... That's
829 * where early OPENSSL_assert comes into picture. Besides, the
830 * only 64-bit big-endian platform found so far that expects
831 * size_t* is HP-UX, where stack grows towards higher address.
840 struct sockaddr_in sa_in
;
841 # if OPENSSL_USE_IPV6
842 struct sockaddr_in6 sa_in6
;
848 sa
.len
.i
= sizeof(sa
.from
);
849 memset(&sa
.from
, 0, sizeof(sa
.from
));
850 ret
= accept(sock
, &sa
.from
.sa
, (void *)&sa
.len
);
851 if (sizeof(sa
.len
.i
) != sizeof(sa
.len
.s
) && sa
.len
.i
== 0) {
852 OPENSSL_assert(sa
.len
.s
<= sizeof(sa
.from
));
853 sa
.len
.i
= (int)sa
.len
.s
;
854 /* use sa.len.i from this point */
856 if (ret
== INVALID_SOCKET
) {
857 if (BIO_sock_should_retry(ret
))
859 SYSerr(SYS_F_ACCEPT
, get_last_socket_error());
860 BIOerr(BIO_F_BIO_ACCEPT
, BIO_R_ACCEPT_ERROR
);
869 char h
[NI_MAXHOST
], s
[NI_MAXSERV
];
873 int (WSAAPI
*f
) (const struct sockaddr
*, size_t /* socklen_t */ ,
874 char *, size_t, char *, size_t, int);
879 * 2nd argument to getnameinfo is specified to be socklen_t.
880 * Unfortunately there is a number of environments where socklen_t is
881 * not defined. As it's passed by value, it's safe to pass it as
885 if (p_getnameinfo
.p
== NULL
) {
886 if ((p_getnameinfo
.p
= DSO_global_lookup("getnameinfo")) == NULL
)
887 p_getnameinfo
.p
= (void *)-1;
889 if (p_getnameinfo
.p
== (void *)-1)
892 if ((*p_getnameinfo
.f
) (&sa
.from
.sa
, sa
.len
.i
, h
, sizeof(h
), s
,
893 sizeof(s
), NI_NUMERICHOST
| NI_NUMERICSERV
))
895 nl
= strlen(h
) + strlen(s
) + 2;
899 p
= OPENSSL_realloc(p
, nl
);
901 p
= OPENSSL_malloc(nl
);
904 BIOerr(BIO_F_BIO_ACCEPT
, ERR_R_MALLOC_FAILURE
);
908 BIO_snprintf(*addr
, nl
, "%s:%s", h
, s
);
912 if (sa
.from
.sa
.sa_family
!= AF_INET
)
914 l
= ntohl(sa
.from
.sa_in
.sin_addr
.s_addr
);
915 port
= ntohs(sa
.from
.sa_in
.sin_port
);
917 if ((p
= OPENSSL_malloc(24)) == NULL
) {
918 BIOerr(BIO_F_BIO_ACCEPT
, ERR_R_MALLOC_FAILURE
);
923 BIO_snprintf(*addr
, 24, "%d.%d.%d.%d:%d",
924 (unsigned char)(l
>> 24L) & 0xff,
925 (unsigned char)(l
>> 16L) & 0xff,
926 (unsigned char)(l
>> 8L) & 0xff,
927 (unsigned char)(l
) & 0xff, port
);
932 int BIO_set_tcp_ndelay(int s
, int on
)
935 # if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
946 ret
= setsockopt(s
, opt
, TCP_NODELAY
, (char *)&on
, sizeof(on
));
951 int BIO_socket_nbio(int s
, int mode
)
958 ret
= BIO_socket_ioctl(s
, FIONBIO
, &l
);