|SSL_GET_PEER_CERT_CHAIN(3)||Library Functions Manual||SSL_GET_PEER_CERT_CHAIN(3)|
get the X509 certificate chain sent by the peer
returns a pointer to
forming the certificate chain of the peer. If called on the client side, the
stack also contains the peer's certificate; if called on the server side,
the peer's certificate must be obtained separately using
If the peer did not present a certificate,
returns the peer chain as sent by the peer: it only consists of certificates
the peer has sent (in the order the peer has sent them) and it is not a
If the session is resumed, peers do not
send certificates, so a
NULL pointer is returned.
Applications can call
to determine whether a session is resumed.
The reference count of the
STACK_OF(X509) object is not
incremented. If the corresponding session is freed, the pointer must not be
used any longer.
The following return values can occur:
SSL_get_peer_cert_chain() first appeared
in SSLeay 0.8.0 and has been available since OpenBSD
|March 27, 2018||OpenBSD-current|