SSL_get_peer_cert_chain man page on DragonFly

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SSL_GET_PEER_CERT_CHA... BSD Library Functions Manual SSL_GET_PEER_CERT_CHA...

NAME
     SSL_get_peer_cert_chain — get the X509 certificate chain of the peer

SYNOPSIS
     #include <openssl/ssl.h>

     STACK_OF(X509) *
     SSL_get_peer_cert_chain(const SSL *ssl);

DESCRIPTION
     SSL_get_peer_cert_chain() returns a pointer to STACK_OF(X509) certifi‐
     cates 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
     SSL_get_peer_certificate(3).  If the peer did not present a certificate,
     NULL is returned.

NOTES
     The peer certificate chain is not necessarily available after reusing a
     session, in which case a NULL pointer is returned.

     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.

RETURN VALUES
     The following return values can occur:

     NULL    No certificate was presented by the peer or no connection was
	     established or the certificate chain is no longer available when
	     a session is reused.

     Pointer to a STACK_OF(X509)
	     The return value points to the certificate chain presented by the
	     peer.

SEE ALSO
     ssl(3), SSL_get_peer_certificate(3)

BSD				March 28, 2024				   BSD
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