Функции API (API function)
Имя (Name)
gnutls_x509_crt_get_extension_by_oid - API function
Синопсис (Synopsis)
#include <gnutls/x509.h>
int gnutls_x509_crt_get_extension_by_oid(gnutls_x509_crt_t cert,
const char * oid, unsigned indx, void * buf, size_t * buf_size,
unsigned int * critical);
Аргументы (Arguments)
gnutls_x509_crt_t cert
should contain a gnutls_x509_crt_t type
const char * oid
holds an Object Identified in null terminated string
unsigned indx
In case multiple same OIDs exist in the extensions,
this specifies which to send. Use (0) to get the
first one.
void * buf a pointer to a structure to hold the name (may be
null)
size_t * buf_size
initially holds the size of buf
unsigned int * critical
will be non-zero if the extension is marked as
critical
Описание (Description)
This function will return the extension specified by the OID in
the certificate. The extensions will be returned as binary data
DER encoded, in the provided buffer.
Возвращаемое значение (Return value)
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a
negative error code is returned. If the certificate does not
contain the specified 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/
