gnutls_x509_crt_get_name_constraints man page on Archlinux
gnutls_x509_crt_get_name_constraints - API function
int gnutls_x509_crt_get_name_constraints(gnutls_x509_crt_t crt,
gnutls_x509_name_constraints_t nc, unsigned int flags, unsigned int *
should contain a gnutls_x509_crt_t structure
The nameconstraints intermediate structure
unsigned int flags
zero or GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND
unsigned int * critical
the extension status
This function will return an intermediate structure containing the name
constraints of the provided CA certificate. That structure can be used
in combination with gnutls_x509_name_constraints_check() to verify
whether a server's name is in accordance with the constraints.
When the flags is set to GNUTLS_NAME_CONSTRAINTS_FLAG_APPEND, then if
the nc structure is empty this function will behave identically as if
the flag was not set. Otherwise if there are elements in the nc
structure then only the excluded constraints will be appended to the
Note that nc must be initialized prior to calling this function.
On success, GNUTLS_E_SUCCESS (0) is returned,
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE if the extension is not present,
otherwise a negative error value.
Report bugs to <firstname.lastname@example.org>.
Home page: http://www.gnutls.org
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