NAME
gnutls_x509_crt_get_subject_alt_name - This function returns the certificate's alternative name, if any
SYNOPSIS
#include <gnutls/x509.h>
I int gnutls_x509_crt_get_subject_alt_name(gnutls_x509_crt_t cert , unsigned int seq , void * ret , size_t * ret_size , unsigned int * critical );
ARGUMENTS
"gnutls_x509_crt_t
should contain a gnutls_x509_crt_t structure
"unsigned
specifies the sequence number of the alt name (0 for the first one, 1 for the second etc.)
"void
is the place where the alternative name will be copied to
"size_t
holds the size of ret.
"unsigned
will be non zero if the extension is marked as critical (may be null)
DESCRIPTION
This function will return the alternative names, contained in the
given certificate.
This is specified in X509v3 Certificate Extensions.
GNUTLS will return the Alternative name (2.5.29.17), or a negative
error code.
Returns GNUTLS_E_SHORT_MEMORY_BUFFER if &ret_size is not enough to hold the alternative
name. In that case &ret_size will be updated. If everything was ok the type of alternative
name is returned. The type is one of the enumerated gnutls_x509_subject_alt_name_t.
If the certificate does not have an Alternative name with the specified
sequence number then returns GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE;
REPORTING BUGS
Report bugs to <bug-gnutls@gnu.org>.
COPYRIGHT
Copyright 2006 Free Software Foundation.
Permission is granted to make and distribute verbatim copies of this
manual provided the copyright notice and this permission notice are
preserved on all copies.
SEE ALSO
The full documentation for
gnutls
is maintained as a Texinfo manual. If the
info
and
gnutls
programs are properly installed at your site, the command
info gnutls
should give you access to the complete manual.
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