gnutls_x509_name_constraints_check(3)

gnutls_x509_name_constraints_check3

Api function

Usage

#include <gnutls/x509.h>

unsigned gnutls_x509_name_constraints_check(gnutls_x509_name_constraints_t nc, gnutls_x509_subject_alt_name_t type, const gnutls_datum_t * name);

Arguments

gnutls_x509_name_constraints_t nc

the extracted name constraints

gnutls_x509_subject_alt_name_t type

the type of the constraint to check (of type gnutls_x509_subject_alt_name_t)

const gnutls_datum_t * name

the name to be checked

Overview

This function will check the provided name against the constraints in
nc using the RFC5280 rules. Currently this function is limited to DNS names, emails and IP addresses (of type GNUTLS_SAN_DNSNAME, GNUTLS_SAN_RFC822NAME and GNUTLS_SAN_IPADDRESS).

Returns

zero if the provided name is not acceptable, and non-zero otherwise.

Since

3.3.0

Releases

7 releases since Debian 8 (Jessie); the text changed 6 times.

  1. 8
  2. 9
  3. 10
  4. 11
  5. 12
  6. 13
  7. Arch

Reporting bugs

Report bugs to <[email protected]>.
Home page: https://www.gnutls.org

From gnutls 3.8.13-3 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.