`gnutls_x509_crq_get_basic_constraints` ( 3 )

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/

Исходный текст на man7.org

gnutls_x509_crq_get_basic_constraints ( 3 )