2 * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
14 #include <openssl/crypto.h>
16 #ifndef OPENSSL_NO_SOCK
17 #include <openssl/err.h>
18 #include <openssl/buffer.h>
19 #include "internal/thread_once.h"
21 CRYPTO_RWLOCK
*bio_lookup_lock
;
22 static CRYPTO_ONCE bio_lookup_init
= CRYPTO_ONCE_STATIC_INIT
;
25 * Throughout this file and bio_lcl.h, the existence of the macro
26 * AI_PASSIVE is used to detect the availability of struct addrinfo,
27 * getnameinfo() and getaddrinfo(). If that macro doesn't exist,
28 * we use our own implementation instead, using gethostbyname,
29 * getservbyname and a few other.
32 /**********************************************************************
38 BIO_ADDR
*BIO_ADDR_new(void)
40 BIO_ADDR
*ret
= OPENSSL_zalloc(sizeof(*ret
));
43 BIOerr(BIO_F_BIO_ADDR_NEW
, ERR_R_MALLOC_FAILURE
);
47 ret
->sa
.sa_family
= AF_UNSPEC
;
51 void BIO_ADDR_free(BIO_ADDR
*ap
)
56 void BIO_ADDR_clear(BIO_ADDR
*ap
)
58 memset(ap
, 0, sizeof(*ap
));
59 ap
->sa
.sa_family
= AF_UNSPEC
;
63 * BIO_ADDR_make - non-public routine to fill a BIO_ADDR with the contents
64 * of a struct sockaddr.
66 int BIO_ADDR_make(BIO_ADDR
*ap
, const struct sockaddr
*sa
)
68 if (sa
->sa_family
== AF_INET
) {
69 memcpy(&(ap
->s_in
), sa
, sizeof(struct sockaddr_in
));
73 if (sa
->sa_family
== AF_INET6
) {
74 memcpy(&(ap
->s_in6
), sa
, sizeof(struct sockaddr_in6
));
79 if (sa
->sa_family
== AF_UNIX
) {
80 memcpy(&(ap
->s_un
), sa
, sizeof(struct sockaddr_un
));
88 int BIO_ADDR_rawmake(BIO_ADDR
*ap
, int family
,
89 const void *where
, size_t wherelen
,
93 if (family
== AF_UNIX
) {
94 if (wherelen
+ 1 > sizeof(ap
->s_un
.sun_path
))
96 memset(&ap
->s_un
, 0, sizeof(ap
->s_un
));
97 ap
->s_un
.sun_family
= family
;
98 strncpy(ap
->s_un
.sun_path
, where
, sizeof(ap
->s_un
.sun_path
) - 1);
102 if (family
== AF_INET
) {
103 if (wherelen
!= sizeof(struct in_addr
))
105 memset(&ap
->s_in
, 0, sizeof(ap
->s_in
));
106 ap
->s_in
.sin_family
= family
;
107 ap
->s_in
.sin_port
= port
;
108 ap
->s_in
.sin_addr
= *(struct in_addr
*)where
;
112 if (family
== AF_INET6
) {
113 if (wherelen
!= sizeof(struct in6_addr
))
115 memset(&ap
->s_in6
, 0, sizeof(ap
->s_in6
));
116 ap
->s_in6
.sin6_family
= family
;
117 ap
->s_in6
.sin6_port
= port
;
118 ap
->s_in6
.sin6_addr
= *(struct in6_addr
*)where
;
126 int BIO_ADDR_family(const BIO_ADDR
*ap
)
128 return ap
->sa
.sa_family
;
131 int BIO_ADDR_rawaddress(const BIO_ADDR
*ap
, void *p
, size_t *l
)
134 const void *addrptr
= NULL
;
136 if (ap
->sa
.sa_family
== AF_INET
) {
137 len
= sizeof(ap
->s_in
.sin_addr
);
138 addrptr
= &ap
->s_in
.sin_addr
;
141 else if (ap
->sa
.sa_family
== AF_INET6
) {
142 len
= sizeof(ap
->s_in6
.sin6_addr
);
143 addrptr
= &ap
->s_in6
.sin6_addr
;
147 else if (ap
->sa
.sa_family
== AF_UNIX
) {
148 len
= strlen(ap
->s_un
.sun_path
);
149 addrptr
= &ap
->s_un
.sun_path
;
157 memcpy(p
, addrptr
, len
);
165 unsigned short BIO_ADDR_rawport(const BIO_ADDR
*ap
)
167 if (ap
->sa
.sa_family
== AF_INET
)
168 return ap
->s_in
.sin_port
;
170 if (ap
->sa
.sa_family
== AF_INET6
)
171 return ap
->s_in6
.sin6_port
;
177 * addr_strings - helper function to get host and service names
178 * @ap: the BIO_ADDR that has the input info
179 * @numeric: 0 if actual names should be returned, 1 if the numeric
180 * representation should be returned.
181 * @hostname: a pointer to a pointer to a memory area to store the
182 * host name or numeric representation. Unused if NULL.
183 * @service: a pointer to a pointer to a memory area to store the
184 * service name or numeric representation. Unused if NULL.
186 * The return value is 0 on failure, with the error code in the error
187 * stack, and 1 on success.
189 static int addr_strings(const BIO_ADDR
*ap
, int numeric
,
190 char **hostname
, char **service
)
192 if (BIO_sock_init() != 1)
198 char host
[NI_MAXHOST
] = "", serv
[NI_MAXSERV
] = "";
202 flags
|= NI_NUMERICHOST
| NI_NUMERICSERV
;
204 if ((ret
= getnameinfo(BIO_ADDR_sockaddr(ap
),
205 BIO_ADDR_sockaddr_size(ap
),
206 host
, sizeof(host
), serv
, sizeof(serv
),
209 if (ret
== EAI_SYSTEM
) {
210 SYSerr(SYS_F_GETNAMEINFO
, get_last_socket_error());
211 BIOerr(BIO_F_ADDR_STRINGS
, ERR_R_SYS_LIB
);
215 BIOerr(BIO_F_ADDR_STRINGS
, ERR_R_SYS_LIB
);
216 ERR_add_error_data(1, gai_strerror(ret
));
221 /* VMS getnameinfo() has a bug, it doesn't fill in serv, which
222 * leaves it with whatever garbage that happens to be there.
223 * However, we initialise serv with the empty string (serv[0]
224 * is therefore NUL), so it gets real easy to detect when things
225 * didn't go the way one might expect.
227 if (serv
[0] == '\0') {
228 BIO_snprintf(serv
, sizeof(serv
), "%d",
229 ntohs(BIO_ADDR_rawport(ap
)));
232 if (hostname
!= NULL
)
233 *hostname
= OPENSSL_strdup(host
);
235 *service
= OPENSSL_strdup(serv
);
238 if (hostname
!= NULL
)
239 *hostname
= OPENSSL_strdup(inet_ntoa(ap
->s_in
.sin_addr
));
240 if (service
!= NULL
) {
241 char serv
[6]; /* port is 16 bits => max 5 decimal digits */
242 BIO_snprintf(serv
, sizeof(serv
), "%d", ntohs(ap
->s_in
.sin_port
));
243 *service
= OPENSSL_strdup(serv
);
247 if ((hostname
!= NULL
&& *hostname
== NULL
)
248 || (service
!= NULL
&& *service
== NULL
)) {
249 if (hostname
!= NULL
) {
250 OPENSSL_free(*hostname
);
253 if (service
!= NULL
) {
254 OPENSSL_free(*service
);
257 BIOerr(BIO_F_ADDR_STRINGS
, ERR_R_MALLOC_FAILURE
);
264 char *BIO_ADDR_hostname_string(const BIO_ADDR
*ap
, int numeric
)
266 char *hostname
= NULL
;
268 if (addr_strings(ap
, numeric
, &hostname
, NULL
))
274 char *BIO_ADDR_service_string(const BIO_ADDR
*ap
, int numeric
)
276 char *service
= NULL
;
278 if (addr_strings(ap
, numeric
, NULL
, &service
))
284 char *BIO_ADDR_path_string(const BIO_ADDR
*ap
)
287 if (ap
->sa
.sa_family
== AF_UNIX
)
288 return OPENSSL_strdup(ap
->s_un
.sun_path
);
294 * BIO_ADDR_sockaddr - non-public routine to return the struct sockaddr
295 * for a given BIO_ADDR. In reality, this is simply a type safe cast.
296 * The returned struct sockaddr is const, so it can't be tampered with.
298 const struct sockaddr
*BIO_ADDR_sockaddr(const BIO_ADDR
*ap
)
304 * BIO_ADDR_sockaddr_noconst - non-public function that does the same
305 * as BIO_ADDR_sockaddr, but returns a non-const. USE WITH CARE, as
306 * it allows you to tamper with the data (and thereby the contents
307 * of the input BIO_ADDR).
309 struct sockaddr
*BIO_ADDR_sockaddr_noconst(BIO_ADDR
*ap
)
315 * BIO_ADDR_sockaddr_size - non-public function that returns the size
316 * of the struct sockaddr the BIO_ADDR is using. If the protocol family
317 * isn't set or is something other than AF_INET, AF_INET6 or AF_UNIX,
318 * the size of the BIO_ADDR type is returned.
320 socklen_t
BIO_ADDR_sockaddr_size(const BIO_ADDR
*ap
)
322 if (ap
->sa
.sa_family
== AF_INET
)
323 return sizeof(ap
->s_in
);
325 if (ap
->sa
.sa_family
== AF_INET6
)
326 return sizeof(ap
->s_in6
);
329 if (ap
->sa
.sa_family
== AF_UNIX
)
330 return sizeof(ap
->s_un
);
335 /**********************************************************************
337 * Address info database
341 const BIO_ADDRINFO
*BIO_ADDRINFO_next(const BIO_ADDRINFO
*bai
)
344 return bai
->bai_next
;
348 int BIO_ADDRINFO_family(const BIO_ADDRINFO
*bai
)
351 return bai
->bai_family
;
355 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO
*bai
)
358 return bai
->bai_socktype
;
362 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO
*bai
)
365 if (bai
->bai_protocol
!= 0)
366 return bai
->bai_protocol
;
369 if (bai
->bai_family
== AF_UNIX
)
373 switch (bai
->bai_socktype
) {
386 * BIO_ADDRINFO_sockaddr_size - non-public function that returns the size
387 * of the struct sockaddr inside the BIO_ADDRINFO.
389 socklen_t
BIO_ADDRINFO_sockaddr_size(const BIO_ADDRINFO
*bai
)
392 return bai
->bai_addrlen
;
397 * BIO_ADDRINFO_sockaddr - non-public function that returns bai_addr
398 * as the struct sockaddr it is.
400 const struct sockaddr
*BIO_ADDRINFO_sockaddr(const BIO_ADDRINFO
*bai
)
403 return bai
->bai_addr
;
407 const BIO_ADDR
*BIO_ADDRINFO_address(const BIO_ADDRINFO
*bai
)
410 return (BIO_ADDR
*)bai
->bai_addr
;
414 void BIO_ADDRINFO_free(BIO_ADDRINFO
*bai
)
421 # define _cond bai->bai_family != AF_UNIX
431 /* Free manually when we know that addrinfo_wrap() was used.
432 * See further comment above addrinfo_wrap()
434 while (bai
!= NULL
) {
435 BIO_ADDRINFO
*next
= bai
->bai_next
;
436 OPENSSL_free(bai
->bai_addr
);
442 /**********************************************************************
449 * The specs in hostserv can take these forms:
451 * host:service => *host = "host", *service = "service"
452 * host:* => *host = "host", *service = NULL
453 * host: => *host = "host", *service = NULL
454 * :service => *host = NULL, *service = "service"
455 * *:service => *host = NULL, *service = "service"
457 * in case no : is present in the string, the result depends on
458 * hostserv_prio, as follows:
460 * when hostserv_prio == BIO_PARSE_PRIO_HOST
461 * host => *host = "host", *service untouched
463 * when hostserv_prio == BIO_PARSE_PRIO_SERV
464 * service => *host untouched, *service = "service"
467 int BIO_parse_hostserv(const char *hostserv
, char **host
, char **service
,
468 enum BIO_hostserv_priorities hostserv_prio
)
470 const char *h
= NULL
; size_t hl
= 0;
471 const char *p
= NULL
; size_t pl
= 0;
473 if (*hostserv
== '[') {
474 if ((p
= strchr(hostserv
, ']')) == NULL
)
488 const char *p2
= strrchr(hostserv
, ':');
489 p
= strchr(hostserv
, ':');
492 * Check for more than one colon. There are three possible
494 * 1. IPv6 address with port number, last colon being separator.
495 * 2. IPv6 address only.
496 * 3. IPv6 address only if hostserv_prio == BIO_PARSE_PRIO_HOST,
497 * IPv6 address and port number if hostserv_prio == BIO_PARSE_PRIO_SERV
498 * Because of this ambiguity, we currently choose to make it an
509 } else if (hostserv_prio
== BIO_PARSE_PRIO_HOST
) {
518 if (p
!= NULL
&& strchr(p
, ':'))
521 if (h
!= NULL
&& host
!= NULL
) {
523 || (hl
== 1 && h
[0] == '*')) {
526 *host
= OPENSSL_strndup(h
, hl
);
531 if (p
!= NULL
&& service
!= NULL
) {
533 || (pl
== 1 && p
[0] == '*')) {
536 *service
= OPENSSL_strndup(p
, pl
);
537 if (*service
== NULL
)
544 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, BIO_R_AMBIGUOUS_HOST_OR_SERVICE
);
547 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, BIO_R_MALFORMED_HOST_OR_SERVICE
);
550 BIOerr(BIO_F_BIO_PARSE_HOSTSERV
, ERR_R_MALLOC_FAILURE
);
554 /* addrinfo_wrap is used to build our own addrinfo "chain".
555 * (it has only one entry, so calling it a chain may be a stretch)
556 * It should ONLY be called when getaddrinfo() and friends
557 * aren't available, OR when dealing with a non IP protocol
558 * family, such as AF_UNIX
560 * the return value is 1 on success, or 0 on failure, which
561 * only happens if a memory allocation error occurred.
563 static int addrinfo_wrap(int family
, int socktype
,
564 const void *where
, size_t wherelen
,
568 if ((*bai
= OPENSSL_zalloc(sizeof(**bai
))) == NULL
) {
569 BIOerr(BIO_F_ADDRINFO_WRAP
, ERR_R_MALLOC_FAILURE
);
573 (*bai
)->bai_family
= family
;
574 (*bai
)->bai_socktype
= socktype
;
575 if (socktype
== SOCK_STREAM
)
576 (*bai
)->bai_protocol
= IPPROTO_TCP
;
577 if (socktype
== SOCK_DGRAM
)
578 (*bai
)->bai_protocol
= IPPROTO_UDP
;
580 if (family
== AF_UNIX
)
581 (*bai
)->bai_protocol
= 0;
584 /* Magic: We know that BIO_ADDR_sockaddr_noconst is really
585 just an advanced cast of BIO_ADDR* to struct sockaddr *
586 by the power of union, so while it may seem that we're
587 creating a memory leak here, we are not. It will be
589 BIO_ADDR
*addr
= BIO_ADDR_new();
591 BIO_ADDR_rawmake(addr
, family
, where
, wherelen
, port
);
592 (*bai
)->bai_addr
= BIO_ADDR_sockaddr_noconst(addr
);
595 (*bai
)->bai_next
= NULL
;
596 if ((*bai
)->bai_addr
== NULL
) {
597 BIO_ADDRINFO_free(*bai
);
604 DEFINE_RUN_ONCE_STATIC(do_bio_lookup_init
)
606 if (!OPENSSL_init_crypto(0, NULL
))
608 bio_lookup_lock
= CRYPTO_THREAD_lock_new();
609 return bio_lookup_lock
!= NULL
;
612 int BIO_lookup(const char *host
, const char *service
,
613 enum BIO_lookup_type lookup_type
,
614 int family
, int socktype
, BIO_ADDRINFO
**res
)
616 return BIO_lookup_ex(host
, service
, lookup_type
, family
, socktype
, 0, res
);
620 * BIO_lookup_ex - look up the node and service you want to connect to.
621 * @node: the node you want to connect to.
622 * @service: the service you want to connect to.
623 * @lookup_type: declare intent with the result, client or server.
624 * @family: the address family you want to use. Use AF_UNSPEC for any, or
625 * AF_INET, AF_INET6 or AF_UNIX.
626 * @socktype: The socket type you want to use. Can be SOCK_STREAM, SOCK_DGRAM
628 * @protocol: The protocol to use, e.g. IPPROTO_TCP or IPPROTO_UDP or 0 for all.
629 * Note that some platforms may not return IPPROTO_SCTP without
630 * explicitly requesting it (i.e. IPPROTO_SCTP may not be returned
631 * with 0 for the protocol)
632 * @res: Storage place for the resulting list of returned addresses
634 * This will do a lookup of the node and service that you want to connect to.
635 * It returns a linked list of different addresses you can try to connect to.
637 * When no longer needed you should call BIO_ADDRINFO_free() to free the result.
639 * The return value is 1 on success or 0 in case of error.
641 int BIO_lookup_ex(const char *host
, const char *service
, int lookup_type
,
642 int family
, int socktype
, int protocol
, BIO_ADDRINFO
**res
)
644 int ret
= 0; /* Assume failure */
659 BIOerr(BIO_F_BIO_LOOKUP_EX
, BIO_R_UNSUPPORTED_PROTOCOL_FAMILY
);
664 if (family
== AF_UNIX
) {
665 if (addrinfo_wrap(family
, socktype
, host
, strlen(host
), 0, res
))
668 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_MALLOC_FAILURE
);
673 if (BIO_sock_init() != 1)
679 struct addrinfo hints
;
681 memset(&hints
, 0, sizeof(hints
));
683 hints
.ai_family
= family
;
684 hints
.ai_socktype
= socktype
;
685 hints
.ai_protocol
= protocol
;
688 if (family
== AF_UNSPEC
)
690 hints
.ai_flags
|= AI_ADDRCONFIG
;
693 if (lookup_type
== BIO_LOOKUP_SERVER
)
694 hints
.ai_flags
|= AI_PASSIVE
;
696 /* Note that |res| SHOULD be a 'struct addrinfo **' thanks to
697 * macro magic in bio_lcl.h
700 switch ((gai_ret
= getaddrinfo(host
, service
, &hints
, res
))) {
703 SYSerr(SYS_F_GETADDRINFO
, get_last_socket_error());
704 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_SYS_LIB
);
708 ret
= 1; /* Success */
710 # if (defined(EAI_FAMILY) || defined(EAI_ADDRFAMILY)) && defined(AI_ADDRCONFIG)
714 # ifdef EAI_ADDRFAMILY
717 if (hints
.ai_flags
& AI_ADDRCONFIG
) {
718 hints
.ai_flags
&= ~AI_ADDRCONFIG
;
724 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_SYS_LIB
);
725 ERR_add_error_data(1, gai_strerror(gai_ret
));
730 const struct hostent
*he
;
732 * Because struct hostent is defined for 32-bit pointers only with
733 * VMS C, we need to make sure that '&he_fallback_address' and
734 * '&he_fallback_addresses' are 32-bit pointers
736 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
737 # pragma pointer_size save
738 # pragma pointer_size 32
740 /* Windows doesn't seem to have in_addr_t */
741 #ifdef OPENSSL_SYS_WINDOWS
742 static uint32_t he_fallback_address
;
743 static const char *he_fallback_addresses
[] =
744 { (char *)&he_fallback_address
, NULL
};
746 static in_addr_t he_fallback_address
;
747 static const char *he_fallback_addresses
[] =
748 { (char *)&he_fallback_address
, NULL
};
750 static const struct hostent he_fallback
=
751 { NULL
, NULL
, AF_INET
, sizeof(he_fallback_address
),
752 (char **)&he_fallback_addresses
};
753 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
754 # pragma pointer_size restore
758 /* Apparently, on WIN64, s_proto and s_port have traded places... */
760 struct servent se_fallback
= { NULL
, NULL
, NULL
, 0 };
762 struct servent se_fallback
= { NULL
, NULL
, 0, NULL
};
765 if (!RUN_ONCE(&bio_lookup_init
, do_bio_lookup_init
)) {
766 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_MALLOC_FAILURE
);
771 CRYPTO_THREAD_write_lock(bio_lookup_lock
);
772 he_fallback_address
= INADDR_ANY
;
775 switch(lookup_type
) {
776 case BIO_LOOKUP_CLIENT
:
777 he_fallback_address
= INADDR_LOOPBACK
;
779 case BIO_LOOKUP_SERVER
:
780 he_fallback_address
= INADDR_ANY
;
783 /* We forgot to handle a lookup type! */
784 assert("We forgot to handle a lookup type!" == NULL
);
785 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_INTERNAL_ERROR
);
790 he
= gethostbyname(host
);
793 #ifndef OPENSSL_SYS_WINDOWS
795 * This might be misleading, because h_errno is used as if
796 * it was errno. To minimize mixup add 1000. Underlying
797 * reason for this is that hstrerror is declared obsolete,
798 * not to mention that a) h_errno is not always guaranteed
799 * to be meaningless; b) hstrerror can reside in yet another
800 * library, linking for sake of hstrerror is an overkill;
801 * c) this path is not executed on contemporary systems
802 * anyway [above getaddrinfo/gai_strerror is]. We just let
803 * system administrator figure this out...
805 # if defined(OPENSSL_SYS_VXWORKS)
806 /* h_errno doesn't exist on VxWorks */
807 SYSerr(SYS_F_GETHOSTBYNAME
, 1000 );
809 SYSerr(SYS_F_GETHOSTBYNAME
, 1000 + h_errno
);
812 SYSerr(SYS_F_GETHOSTBYNAME
, WSAGetLastError());
819 if (service
== NULL
) {
820 se_fallback
.s_port
= 0;
821 se_fallback
.s_proto
= NULL
;
825 long portnum
= strtol(service
, &endp
, 10);
828 * Because struct servent is defined for 32-bit pointers only with
829 * VMS C, we need to make sure that 'proto' is a 32-bit pointer.
831 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
832 # pragma pointer_size save
833 # pragma pointer_size 32
836 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
837 # pragma pointer_size restore
849 if (endp
!= service
&& *endp
== '\0'
850 && portnum
> 0 && portnum
< 65536) {
851 se_fallback
.s_port
= htons((unsigned short)portnum
);
852 se_fallback
.s_proto
= proto
;
854 } else if (endp
== service
) {
855 se
= getservbyname(service
, proto
);
858 #ifndef OPENSSL_SYS_WINDOWS
859 SYSerr(SYS_F_GETSERVBYNAME
, errno
);
861 SYSerr(SYS_F_GETSERVBYNAME
, WSAGetLastError());
866 BIOerr(BIO_F_BIO_LOOKUP_EX
, BIO_R_MALFORMED_HOST_OR_SERVICE
);
875 * Because hostent::h_addr_list is an array of 32-bit pointers with VMS C,
876 * we must make sure our iterator designates the same element type, hence
877 * the pointer size dance.
879 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
880 # pragma pointer_size save
881 # pragma pointer_size 32
884 #if defined(OPENSSL_SYS_VMS) && defined(__DECC)
885 # pragma pointer_size restore
888 BIO_ADDRINFO
*tmp_bai
= NULL
;
890 /* The easiest way to create a linked list from an
891 array is to start from the back */
892 for(addrlistp
= he
->h_addr_list
; *addrlistp
!= NULL
;
896 for(addresses
= addrlistp
- he
->h_addr_list
;
897 addrlistp
--, addresses
-- > 0; ) {
898 if (!addrinfo_wrap(he
->h_addrtype
, socktype
,
899 *addrlistp
, he
->h_length
,
900 se
->s_port
, &tmp_bai
))
901 goto addrinfo_malloc_err
;
902 tmp_bai
->bai_next
= *res
;
906 BIO_ADDRINFO_free(*res
);
908 BIOerr(BIO_F_BIO_LOOKUP_EX
, ERR_R_MALLOC_FAILURE
);
916 CRYPTO_THREAD_unlock(bio_lookup_lock
);
922 #endif /* OPENSSL_NO_SOCK */