diff options
Diffstat (limited to 'doc/man3/BIO_ADDRINFO.pod')
| -rw-r--r-- | doc/man3/BIO_ADDRINFO.pod | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/man3/BIO_ADDRINFO.pod b/doc/man3/BIO_ADDRINFO.pod index 45e6e05761..37a3e6244c 100644 --- a/doc/man3/BIO_ADDRINFO.pod +++ b/doc/man3/BIO_ADDRINFO.pod @@ -52,7 +52,7 @@ IPPROTO_TCP, IPPROTO_UDP or IPPORTO_SCTP. If set to 0 than any protocol can be used. B<res> points at a pointer to hold the start of a B<BIO_ADDRINFO> chain. -For the family B<AF_UNIX>, BIO_lookup() will ignore the B<service> +For the family B<AF_UNIX>, BIO_lookup_ex() will ignore the B<service> parameter and expects the B<node> parameter to hold the path to the socket file. @@ -89,6 +89,14 @@ case. All other functions described here return 0 or B<NULL> when the information they should return isn't available. +=head1 NOTES + +The BIO_lookup_ex() implementation uses the platform provided getaddrinfo() +function. On Linux it is known that specifying 0 for the protocol will not +return any SCTP based addresses when calling getaddrinfo(). Therefore if an SCTP +address is required then the B<protocol> parameter to BIO_lookup_ex() should be +explicitly set to IPPROTO_SCTP. The same may be true on other platforms. + =head1 HISTORY The BIO_lookup_ex() function was added in OpenSSL 1.1.1. |