gnutls_x509_crt_get_issuer_alt_othername_oid

API function

Synopsis

#include <gnutls/x509.h>

int gnutls_x509_crt_get_issuer_alt_othername_oid(gnutls_x509_crt_t cert, unsigned int seq, void * ret, size_t * ret_size);

Arguments

gnutls_x509_crt_t cert

should contain a gnutls_x509_crt_t type

unsigned int seq

specifies the sequence number of the alt name (0 for the first one, 1 for the second etc.)

void * ret

is the place where the otherName OID will be copied to

size_t * ret_size

holds the size of ret.

Description

This function will extract the type OID of an otherName Subject Alternative Name, contained in the given certificate, and return the type as an enumerated element.

If  oid is null then only the size will be filled. The  oid returned will be null terminated, although  oid_size will not account for the trailing null.

This function is only useful if gnutls_x509_crt_get_issuer_alt_name() returned GNUTLS_SAN_OTHERNAME.

Returns

the alternative issuer name type on success, one of the enumerated gnutls_x509_subject_alt_name_t.  For supported OIDs, it will return one of the virtual (GNUTLS_SAN_OTHERNAME_*) types, e.g. GNUTLS_SAN_OTHERNAME_XMPP, and GNUTLS_SAN_OTHERNAME for unknown OIDs.  It will return GNUTLS_E_SHORT_MEMORY_BUFFER if
ret_size is not large enough to hold the value.  In that case
ret_size will be updated with the required size.  If the certificate does not have an Alternative name with the specified sequence number and with the otherName type then GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE is returned.

Since

2.10.0

Reporting Bugs

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

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/

Info

3.8.7 gnutls