Commit 2423b5f0 authored by Tomas Mraz's avatar Tomas Mraz Committed by Richard Levitte
Browse files

Use AI_ADDRCONFIG hint with getaddrinfo if available. 



This prevents failure of openssl s_server socket binding to wildcard
address on hosts with disabled IPv6.

Reviewed-by: default avatarKurt Roeckx <kurt@roeckx.be>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8550)

(cherry picked from commit b8472b4e)
parent a88bafcd

crypto/bio/b_addr.c

+6 −0
Original line number Diff line number Diff line
@@ -683,6 +683,12 @@ int BIO_lookup_ex(const char *host, const char *service, int lookup_type, 
        hints.ai_family = family;

        hints.ai_socktype = socktype;

        hints.ai_protocol = protocol;

#ifdef AI_ADDRCONFIG

#ifdef AF_UNSPEC

        if (family == AF_UNSPEC)

#endif

            hints.ai_flags |= AI_ADDRCONFIG;

#endif



        if (lookup_type == BIO_LOOKUP_SERVER)

            hints.ai_flags |= AI_PASSIVE;