Функции API (API function)
Имя (Name)
gnutls_x509_crq_get_basic_constraints - API function
Синопсис (Synopsis)
#include <gnutls/x509.h>
int gnutls_x509_crq_get_basic_constraints(gnutls_x509_crq_t crq,
unsigned int * critical, unsigned int * ca, int * pathlen);
Аргументы (Arguments)
gnutls_x509_crq_t crq
should contain a gnutls_x509_crq_t type
unsigned int * critical
will be non-zero if the extension is marked as
critical
unsigned int * ca
pointer to output integer indicating CA status, may
be NULL, value is 1 if the certificate CA flag is
set, 0 otherwise.
int * pathlen
pointer to output integer indicating path length (may
be NULL), non-negative error codes indicate a present
pathLenConstraint field and the actual value, -1
indicate that the field is absent.
Описание (Description)
This function will read the certificate's basic constraints, and
return the certificates CA status. It reads the basicConstraints
X.509 extension (2.5.29.19).
Возвращаемое значение (Return value)
If the certificate is a CA a positive value will be returned, or
(0) if the certificate does not have CA flag set. A negative
error code may be returned in case of errors. If the certificate
does not contain the basicConstraints extension
GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
Сообщение об ошибках (Reporting bugs)
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
Смотри также (See also)
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/
