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Member "openssl-1.0.2q/doc/ssl/SSL_get_peer_cert_chain.pod" (20 Nov 2018, 1352 Bytes) of package /linux/misc/openssl-1.0.2q.tar.gz:


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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) 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 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)