1 /* ====================================================================
2 * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
16 * 3. All advertising materials mentioning features or use of this
17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22 * endorse or promote products derived from this software without
23 * prior written permission. For written permission, please contact
24 * openssl-core@openssl.org.
26 * 5. Products derived from this software may not be called "OpenSSL"
27 * nor may "OpenSSL" appear in their names without prior written
28 * permission of the OpenSSL Project.
30 * 6. Redistributions of any form whatsoever must retain the following
32 * "This product includes software developed by the OpenSSL Project
33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46 * OF THE POSSIBILITY OF SUCH DAMAGE.
47 * ====================================================================
49 * This product includes cryptographic software written by Eric Young
50 * (eay@cryptsoft.com). This product includes software written by Tim
51 * Hudson (tjh@cryptsoft.com).
58 #include "internal/threads.h"
60 #ifndef OPENSSL_NO_SOCK
61 #include <openssl/err.h>
62 #include <openssl/buffer.h>
65 static CRYPTO_RWLOCK
*bio_lookup_lock
;
66 static CRYPTO_ONCE bio_lookup_init
= CRYPTO_ONCE_STATIC_INIT
;
69 * Throughout this file and bio_lcl.h, the existence of the macro
70 * AI_PASSIVE is used to detect the availability of struct addrinfo,
71 * getnameinfo() and getaddrinfo(). If that macro doesn't exist,
72 * we use our own implementation instead, using gethostbyname,
73 * getservbyname and a few other.
76 /**********************************************************************
82 BIO_ADDR
*BIO_ADDR_new(void)
84 BIO_ADDR
*ret
= OPENSSL_zalloc(sizeof(*ret
));
86 ret
->sa
.sa_family
= AF_UNSPEC
;
90 void BIO_ADDR_free(BIO_ADDR
*ap
)
95 void BIO_ADDR_clear(BIO_ADDR
*ap
)
97 memset(ap
, 0, sizeof(*ap
));
98 ap
->sa
.sa_family
= AF_UNSPEC
;
102 * BIO_ADDR_make - non-public routine to fill a BIO_ADDR with the contents
103 * of a struct sockaddr.
105 int BIO_ADDR_make(BIO_ADDR
*ap
, const struct sockaddr
*sa
)
107 if (sa
->sa_family
== AF_INET
) {
108 ap
->s_in
= *(const struct sockaddr_in
*)sa
;
112 if (sa
->sa_family
== AF_INET6
) {
113 ap
->s_in6
= *(const struct sockaddr_in6
*)sa
;
118 if (ap
->sa
.sa_family
== AF_UNIX
) {
119 ap
->s_un
= *(const struct sockaddr_un
*)sa
;
127 int BIO_ADDR_rawmake(BIO_ADDR
*ap
, int family
,
128 const void *where
, size_t wherelen
,
132 if (family
== AF_UNIX
) {
133 if (wherelen
+ 1 > sizeof(ap
->s_un
.sun_path
))
135 memset(&ap
->s_un
, 0, sizeof(ap
->s_un
));
136 ap
->s_un
.sun_family
= family
;
137 strncpy(ap
->s_un
.sun_path
, where
, sizeof(ap
->s_un
.sun_path
) - 1);
141 if (family
== AF_INET
) {
142 if (wherelen
!= sizeof(struct in_addr
))
144 memset(&ap
->s_in
, 0, sizeof(ap
->s_in
));
145 ap
->s_in
.sin_family
= family
;
146 ap
->s_in
.sin_port
= port
;
147 ap
->s_in
.sin_addr
= *(struct in_addr
*)where
;
151 if (family
== AF_INET6
) {
152 if (wherelen
!= sizeof(struct in6_addr
))
154 memset(&ap
->s_in6
, 0, sizeof(ap
->s_in6
));
155 ap
->s_in6
.sin6_family
= family
;
156 ap
->s_in6
.sin6_port
= port
;
157 ap
->s_in6
.sin6_addr
= *(struct in6_addr
*)where
;
165 int BIO_ADDR_family(const BIO_ADDR
*ap
)
167 return ap
->sa
.sa_family
;
170 int BIO_ADDR_rawaddress(const BIO_ADDR
*ap
, void *p
, size_t *l
)
173 const void *addrptr
= NULL
;
175 if (ap
->sa
.sa_family
== AF_INET
) {
176 len
= sizeof(ap
->s_in
.sin_addr
);
177 addrptr
= &ap
->s_in
.sin_addr
;
180 else if (ap
->sa
.sa_family
== AF_INET6
) {
181 len
= sizeof(ap
->s_in6
.sin6_addr
);
182 addrptr
= &ap
->s_in6
.sin6_addr
;
186 else if (ap
->sa
.sa_family
== AF_UNIX
) {
187 len
= strlen(ap
->s_un
.sun_path
);
188 addrptr
= &ap
->s_un
.sun_path
;
196 memcpy(p
, addrptr
, len
);
204 unsigned short BIO_ADDR_rawport(const BIO_ADDR
*ap
)
206 if (ap
->sa
.sa_family
== AF_INET
)
207 return ap
->s_in
.sin_port
;
209 if (ap
->sa
.sa_family
== AF_INET6
)
210 return ap
->s_in6
.sin6_port
;
216 * addr_strings - helper function to get host and service names
217 * @ap: the BIO_ADDR that has the input info
218 * @numeric: 0 if actual names should be returned, 1 if the numeric
219 * representation should be returned.
220 * @hostname: a pointer to a pointer to a memory area to store the
221 * host name or numeric representation. Unused if NULL.
222 * @service: a pointer to a pointer to a memory area to store the
223 * service name or numeric representation. Unused if NULL.
225 * The return value is 0 on failure, with the error code in the error
226 * stack, and 1 on success.
228 static int addr_strings(const BIO_ADDR
*ap
, int numeric
,
229 char **hostname
, char **service
)
231 if (BIO_sock_init() != 1)
237 char host
[NI_MAXHOST
] = "", serv
[NI_MAXSERV
] = "";
241 flags
|= NI_NUMERICHOST
| NI_NUMERICSERV
;
243 if ((ret
= getnameinfo(BIO_ADDR_sockaddr(ap
),
244 BIO_ADDR_sockaddr_size(ap
),
245 host
, sizeof(host
), serv
, sizeof(serv
),
248 if (ret
== EAI_SYSTEM
) {
249 SYSerr(SYS_F_GETNAMEINFO
, get_last_socket_error());
250 BIOerr(BIO_F_ADDR_STRINGS
, ERR_R_SYS_LIB
);
254 BIOerr(BIO_F_ADDR_STRINGS
, ERR_R_SYS_LIB
);
255 ERR_add_error_data(1, gai_strerror(ret
));
260 /* VMS getnameinfo() has a bug, it doesn't fill in serv, which
261 * leaves it with whatever garbage that happens to be there.
262 * However, we initialise serv with the empty string (serv[0]
263 * is therefore NUL), so it gets real easy to detect when things
264 * didn't go the way one might expect.
266 if (serv
[0] == '\0') {
267 BIO_snprintf(serv
, sizeof(serv
), "%d",
268 ntohs(BIO_ADDR_rawport(ap
)));
272 *hostname
= OPENSSL_strdup(host
);
274 *service
= OPENSSL_strdup(serv
);
278 *hostname
= OPENSSL_strdup(inet_ntoa(ap
->s_in
.sin_addr
));
280 char serv
[6]; /* port is 16 bits => max 5 decimal digits */
281 BIO_snprintf(serv
, sizeof(serv
), "%d", ntohs(ap
->s_in
.sin_port
));
282 *service
= OPENSSL_strdup(serv
);
289 char *BIO_ADDR_hostname_string(const BIO_ADDR
*ap
, int numeric
)
291 char *hostname
= NULL
;
293 if (addr_strings(ap
, numeric
, &hostname
, NULL
))
299 char *BIO_ADDR_service_string(const BIO_ADDR
*ap
, int numeric
)
301 char *service
= NULL
;
303 if (addr_strings(ap
, numeric
, NULL
, &service
))
309 char *BIO_ADDR_path_string(const BIO_ADDR
*ap
)
312 if (ap
->sa
.sa_family
== AF_UNIX
)
313 return OPENSSL_strdup(ap
->s_un
.sun_path
);
319 * BIO_ADDR_sockaddr - non-public routine to return the struct sockaddr
320 * for a given BIO_ADDR. In reality, this is simply a type safe cast.
321 * The returned struct sockaddr is const, so it can't be tampered with.
323 const struct sockaddr
*BIO_ADDR_sockaddr(const BIO_ADDR
*ap
)
329 * BIO_ADDR_sockaddr_noconst - non-public function that does the same
330 * as BIO_ADDR_sockaddr, but returns a non-const. USE WITH CARE, as
331 * it allows you to tamper with the data (and thereby the contents
332 * of the input BIO_ADDR).
334 struct sockaddr
*BIO_ADDR_sockaddr_noconst(BIO_ADDR
*ap
)
340 * BIO_ADDR_sockaddr_size - non-public function that returns the size
341 * of the struct sockaddr the BIO_ADDR is using. If the protocol family
342 * isn't set or is something other than AF_INET, AF_INET6 or AF_UNIX,
343 * the size of the BIO_ADDR type is returned.
345 socklen_t
BIO_ADDR_sockaddr_size(const BIO_ADDR
*ap
)
347 if (ap
->sa
.sa_family
== AF_INET
)
348 return sizeof(ap
->s_in
);
350 if (ap
->sa
.sa_family
== AF_INET6
)
351 return sizeof(ap
->s_in6
);
354 if (ap
->sa
.sa_family
== AF_UNIX
)
355 return sizeof(ap
->s_un
);
360 /**********************************************************************
362 * Address info database
366 const BIO_ADDRINFO
*BIO_ADDRINFO_next(const BIO_ADDRINFO
*bai
)
369 return bai
->bai_next
;
373 int BIO_ADDRINFO_family(const BIO_ADDRINFO
*bai
)
376 return bai
->bai_family
;
380 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO
*bai
)
383 return bai
->bai_socktype
;
387 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO
*bai
)
390 if (bai
->bai_protocol
!= 0)
391 return bai
->bai_protocol
;
394 if (bai
->bai_family
== AF_UNIX
)
398 switch (bai
->bai_socktype
) {
411 * BIO_ADDRINFO_sockaddr_size - non-public function that returns the size
412 * of the struct sockaddr inside the BIO_ADDRINFO.
414 socklen_t
BIO_ADDRINFO_sockaddr_size(const BIO_ADDRINFO
*bai
)
417 return bai
->bai_addrlen
;
422 * BIO_ADDRINFO_sockaddr - non-public function that returns bai_addr
423 * as the struct sockaddr it is.
425 const struct sockaddr
*BIO_ADDRINFO_sockaddr(const BIO_ADDRINFO
*bai
)
428 return bai
->bai_addr
;
432 const BIO_ADDR
*BIO_ADDRINFO_address(const BIO_ADDRINFO
*bai
)
435 return (BIO_ADDR
*)bai
->bai_addr
;
439 void BIO_ADDRINFO_free(BIO_ADDRINFO
*bai
)
446 # define _cond bai->bai_family != AF_UNIX
456 /* Free manually when we know that addrinfo_wrap() was used.
457 * See further comment above addrinfo_wrap()
459 while (bai
!= NULL
) {
460 BIO_ADDRINFO
*next
= bai
->bai_next
;
461 OPENSSL_free(bai
->bai_addr
);
467 /**********************************************************************
474 * The specs in hostserv can take these forms:
476 * host:service => *host = "host", *service = "service"
477 * host:* => *host = "host", *service = NULL
478 * host: => *host = "host", *service = NULL
479 * :service => *host = NULL, *service = "service"
480 * *:service => *host = NULL, *service = "service"
482 * in case no : is present in the string, the result depends on
483 * hostserv_prio, as follows:
485 * when hostserv_prio == BIO_PARSE_PRIO_HOST
486 * host => *host = "host", *service untouched
488 * when hostserv_prio == BIO_PARSE_PRIO_SERV
489 * service => *host untouched, *service = "service"
492 int BIO_parse_hostserv(const char *hostserv
, char **host
, char **service
,
493 enum BIO_hostserv_priorities hostserv_prio
)
495 const char *h
= NULL
; size_t hl
= 0;
496 const char *p
= NULL
; size_t pl
= 0;
498 if (*hostserv
== '[') {
499 if ((p
= strchr(hostserv
, ']')) == NULL
)
513 const char *p2
= strrchr(hostserv
, ':');
514 p
= strchr(hostserv
, ':');
517 * Check for more than one colon. There are three possible
519 * 1. IPv6 address with port number, last colon being separator.
520 * 2. IPv6 address only.
521 * 3. IPv6 address only if hostserv_prio == BIO_PARSE_PRIO_HOST,
522 * IPv6 address and port number if hostserv_prio == BIO_PARSE_PRIO_SERV
523 * Because of this ambiguity, we currently choose to make it an
534 } else if (hostserv_prio
== BIO_PARSE_PRIO_HOST
) {
543 if (p
!= NULL
&& strchr(p
, ':'))
546 if (h
!= NULL
&& host
!= NULL
) {
548 || (hl
== 1 && h
[0] == '*')) {
551 *host
= OPENSSL_strndup(h
, hl
);
556 if (p
!= NULL
&& service
!= NULL
) {
558 || (pl
== 1 && p
[0] == '*')) {
561 *service
= OPENSSL_strndup(p
, pl
);
562 if (*service
== NULL
)
569 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, BIO_R_AMBIGUOUS_HOST_OR_SERVICE
);
572 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, BIO_R_MALFORMED_HOST_OR_SERVICE
);
575 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, ERR_R_MALLOC_FAILURE
);
579 /* addrinfo_wrap is used to build our own addrinfo "chain".
580 * (it has only one entry, so calling it a chain may be a stretch)
581 * It should ONLY be called when getaddrinfo() and friends
582 * aren't available, OR when dealing with a non IP protocol
583 * family, such as AF_UNIX
585 * the return value is 1 on success, or 0 on failure, which
586 * only happens if a memory allocation error occurred.
588 static int addrinfo_wrap(int family
, int socktype
,
589 const void *where
, size_t wherelen
,
593 OPENSSL_assert(bai
!= NULL
);
595 *bai
= OPENSSL_zalloc(sizeof(**bai
));
599 (*bai
)->bai_family
= family
;
600 (*bai
)->bai_socktype
= socktype
;
601 if (socktype
== SOCK_STREAM
)
602 (*bai
)->bai_protocol
= IPPROTO_TCP
;
603 if (socktype
== SOCK_DGRAM
)
604 (*bai
)->bai_protocol
= IPPROTO_UDP
;
606 if (family
== AF_UNIX
)
607 (*bai
)->bai_protocol
= 0;
610 /* Magic: We know that BIO_ADDR_sockaddr_noconst is really
611 just an advanced cast of BIO_ADDR* to struct sockaddr *
612 by the power of union, so while it may seem that we're
613 creating a memory leak here, we are not. It will be
615 BIO_ADDR
*addr
= BIO_ADDR_new();
617 BIO_ADDR_rawmake(addr
, family
, where
, wherelen
, port
);
618 (*bai
)->bai_addr
= BIO_ADDR_sockaddr_noconst(addr
);
621 (*bai
)->bai_next
= NULL
;
622 if ((*bai
)->bai_addr
== NULL
) {
623 BIO_ADDRINFO_free(*bai
);
630 static void do_bio_lookup_init(void)
632 bio_lookup_lock
= CRYPTO_THREAD_lock_new();
636 * BIO_lookup - look up the node and service you want to connect to.
637 * @node: the node you want to connect to.
638 * @service: the service you want to connect to.
639 * @lookup_type: declare intent with the result, client or server.
640 * @family: the address family you want to use. Use AF_UNSPEC for any, or
641 * AF_INET, AF_INET6 or AF_UNIX.
642 * @socktype: The socket type you want to use. Can be SOCK_STREAM, SOCK_DGRAM
644 * @res: Storage place for the resulting list of returned addresses
646 * This will do a lookup of the node and service that you want to connect to.
647 * It returns a linked list of different addresses you can try to connect to.
649 * When no longer needed you should call BIO_ADDRINFO_free() to free the result.
651 * The return value is 1 on success or 0 in case of error.
653 int BIO_lookup(const char *host
, const char *service
,
654 enum BIO_lookup_type lookup_type
,
655 int family
, int socktype
, BIO_ADDRINFO
**res
)
657 int ret
= 0; /* Assume failure */
672 BIOerr(BIO_F_BIO_LOOKUP
, BIO_R_UNSUPPORTED_PROTOCOL_FAMILY
);
677 if (family
== AF_UNIX
) {
678 if (addrinfo_wrap(family
, socktype
, host
, strlen(host
), 0, res
))
681 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_MALLOC_FAILURE
);
686 if (BIO_sock_init() != 1)
692 struct addrinfo hints
;
693 memset(&hints
, 0, sizeof hints
);
695 # ifdef AI_ADDRCONFIG
696 hints
.ai_flags
= AI_ADDRCONFIG
;
698 hints
.ai_family
= family
;
699 hints
.ai_socktype
= socktype
;
701 if (lookup_type
== BIO_LOOKUP_SERVER
)
702 hints
.ai_flags
|= AI_PASSIVE
;
704 /* Note that |res| SHOULD be a 'struct addrinfo **' thanks to
705 * macro magic in bio_lcl.h
707 switch ((gai_ret
= getaddrinfo(host
, service
, &hints
, res
))) {
710 SYSerr(SYS_F_GETADDRINFO
, get_last_socket_error());
711 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_SYS_LIB
);
715 ret
= 1; /* Success */
718 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_SYS_LIB
);
719 ERR_add_error_data(1, gai_strerror(gai_ret
));
724 const struct hostent
*he
;
726 * Because struct hostent is defined for 32-bit pointers only with
727 * VMS C, we need to make sure that '&he_fallback_address' and
728 * '&he_fallback_addresses' are 32-bit pointers
730 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
731 # pragma pointer_size save
732 # pragma pointer_size 32
734 /* Windows doesn't seem to have in_addr_t */
735 #ifdef OPENSSL_SYS_WINDOWS
736 static uint32_t he_fallback_address
;
737 static const uint32_t *he_fallback_addresses
[] =
738 { &he_fallback_address
, NULL
};
740 static in_addr_t he_fallback_address
;
741 static const in_addr_t
*he_fallback_addresses
[] =
742 { &he_fallback_address
, NULL
};
744 static const struct hostent he_fallback
=
745 { NULL
, NULL
, AF_INET
, sizeof(he_fallback_address
),
746 (char **)&he_fallback_addresses
};
747 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
748 # pragma pointer_size restore
752 /* Apparently, on WIN64, s_proto and s_port have traded places... */
754 struct servent se_fallback
= { NULL
, NULL
, NULL
, 0 };
756 struct servent se_fallback
= { NULL
, NULL
, 0, NULL
};
759 CRYPTO_THREAD_run_once(&bio_lookup_init
, do_bio_lookup_init
);
761 CRYPTO_THREAD_write_lock(bio_lookup_lock
);
762 he_fallback_address
= INADDR_ANY
;
765 switch(lookup_type
) {
766 case BIO_LOOKUP_CLIENT
:
767 he_fallback_address
= INADDR_LOOPBACK
;
769 case BIO_LOOKUP_SERVER
:
770 he_fallback_address
= INADDR_ANY
;
773 OPENSSL_assert(("We forgot to handle a lookup type!" == 0));
777 he
= gethostbyname(host
);
780 #ifndef OPENSSL_SYS_WINDOWS
781 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_SYS_LIB
);
782 ERR_add_error_data(1, hstrerror(h_errno
));
784 SYSerr(SYS_F_GETHOSTBYNAME
, WSAGetLastError());
791 if (service
== NULL
) {
792 se_fallback
.s_port
= 0;
793 se_fallback
.s_proto
= NULL
;
797 long portnum
= strtol(service
, &endp
, 10);
800 * Because struct servent is defined for 32-bit pointers only with
801 * VMS C, we need to make sure that 'proto' is a 32-bit pointer.
803 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
804 # pragma pointer_size save
805 # pragma pointer_size 32
808 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
809 # pragma pointer_size restore
821 if (endp
!= service
&& *endp
== '\0'
822 && portnum
> 0 && portnum
< 65536) {
823 se_fallback
.s_port
= htons(portnum
);
824 se_fallback
.s_proto
= proto
;
826 } else if (endp
== service
) {
827 se
= getservbyname(service
, proto
);
830 #ifndef OPENSSL_SYS_WINDOWS
831 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_SYS_LIB
);
832 ERR_add_error_data(1, hstrerror(h_errno
));
834 SYSerr(SYS_F_GETSERVBYNAME
, WSAGetLastError());
839 BIOerr(BIO_F_BIO_LOOKUP
, BIO_R_MALFORMED_HOST_OR_SERVICE
);
848 * Because hostent::h_addr_list is an array of 32-bit pointers with VMS C,
849 * we must make sure our iterator designates the same element type, hence
850 * the pointer size dance.
852 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
853 # pragma pointer_size save
854 # pragma pointer_size 32
857 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
858 # pragma pointer_size restore
861 BIO_ADDRINFO
*tmp_bai
= NULL
;
863 /* The easiest way to create a linked list from an
864 array is to start from the back */
865 for(addrlistp
= he
->h_addr_list
; *addrlistp
!= NULL
;
869 for(addresses
= addrlistp
- he
->h_addr_list
;
870 addrlistp
--, addresses
-- > 0; ) {
871 if (!addrinfo_wrap(he
->h_addrtype
, socktype
,
872 *addrlistp
, he
->h_length
,
873 se
->s_port
, &tmp_bai
))
874 goto addrinfo_malloc_err
;
875 tmp_bai
->bai_next
= *res
;
879 BIO_ADDRINFO_free(*res
);
881 BIOerr(BIO_F_BIO_LOOKUP
, ERR_R_MALLOC_FAILURE
);
889 CRYPTO_THREAD_unlock(bio_lookup_lock
);
894 #endif /* OPENSSL_NO_SOCK */