SSL_get_peer_cert_chain(3)

     SSL_get_peer_cert_chain0.9.6h (2001-02-SSL_get_peer_cert_chain(3)

     NAME
          SSL_get_peer_cert_chain - get the X509 certificate chain of
          the peer

     SYNOPSIS
           #include <openssl/ssl.h>

           STACKOF(X509) *SSL_get_peer_cert_chain(SSL *ssl);

     DESCRIPTION
          SSL_get_peer_cert_chain() returns a pointer to STACKOF(X509)
          certificates 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 STACKOF(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 STACKOF(X509)
              The return value points to the certificate chain
              presented by the peer.

     SEE ALSO
          ssl(3), SSL_get_peer_certificate(3)

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