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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_x509_...suer_function(3) gnutls gnutls_x509_...suer_function(3)
gnutls_x509_trust_list_set_getissuer_function - API function
#include <gnutls/x509.h>
void
gnutls_x509_trust_list_set_getissuer_function(gnutls_x509_trust_list_t
tlist, gnutls_x509_trust_list_getissuer_function * func);
gnutls_x509_trust_list_t tlist
is a gnutls_x509_trust_list_t type.
gnutls_x509_trust_list_getissuer_function * func
is the callback function
This function sets a callback to be called when the peer's
certificate chain is incomplete due a missing intermediate
certificate. The callback may provide the missing certificate for
use during verification.
The callback's function prototype is defined in gnutls/x509.h as:
int (*callback)(gnutls_x509_trust_list_t list, const
gnutls_x509_crt_t cert, gnutls_x509_crt_t **issuers, unsigned int
*issuers_size);
If the callback function is provided then gnutls will call it
during the certificate verification procedure. The callback may
wish to use gnutls_x509_crt_get_authority_info_access() to get a
URI from which to attempt to download the missing issuer
certificate, if available.
On a successful call, the callback shall set '*issuers' and
'*issuers_size' even if the result is empty; in that case
'*issuers' will point to NULL and allocated using
gnutls_x509_crt_list_import2(). The ownership of both the array
and the elements is transferred to the caller and thus the
application does not need to maintain the memory after the call.
The callback function should return 0 if the attempt to retrieve
the issuer certificates for 'crt' succeeded, or non-zero to
indicate any error occurred during the attempt. In the latter
case, '*issuers' and '*issuers_size' are not set.
3.7.0
Report bugs to <[email protected]>.
Home page: https://www.gnutls.org
Copyright © 2001-2023 Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without
modification, are permitted in any medium without royalty
provided the copyright notice and this notice are preserved.
The full documentation for gnutls is maintained as a Texinfo
manual. If the /usr/share/doc/gnutls/ directory does not contain
the HTML form visit
https://www.gnutls.org/manual/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to [email protected]. This page was obtained
from the tarball gnutls-3.8.5.tar.xz fetched from
⟨http://www.gnutls.org/download.html⟩ on 2024-06-14. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for
the page, or you have corrections or improvements to the
information in this COLOPHON (which is not part of the original
manual page), send a mail to [email protected]
gnutls 3.8.5 gnutls_x509_...suer_function(3)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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