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   gnutls_x509_crq_get_extension_by_oid    ( 3 )

Функции API (API function)

Имя (Name)

gnutls_x509_crq_get_extension_by_oid - API function


Синопсис (Synopsis)

#include <gnutls/x509.h>

int gnutls_x509_crq_get_extension_by_oid(gnutls_x509_crq_t crq, const char * oid, unsigned indx, void * buf, size_t * buf_size, unsigned int * critical);


Аргументы (Arguments)

gnutls_x509_crq_t crq should contain a gnutls_x509_crq_t type

const char * oid holds an Object Identifier in a null terminated string

unsigned indx In case multiple same OIDs exist in the extensions, this specifies which to get. 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 in case of an error. 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/