gnutls_x509_crt_check_ip(3)

gnutls_x509_crt_check_ip3

Api function

Usage

#include <gnutls/x509.h>

unsigned gnutls_x509_crt_check_ip(gnutls_x509_crt_t cert, const unsigned char * ip, unsigned int ip_size, unsigned int flags);

Arguments

gnutls_x509_crt_t cert

should contain an gnutls_x509_crt_t type

const unsigned char * ip

A pointer to the raw IP address

unsigned int ip_size

the number of bytes in ip (4 or 16)

unsigned int flags

should be zero

Overview

This function will check if the IP allowed IP addresses in the certificate's subject alternative name match the provided IP address.

Returns

non-zero for a successful match, and zero on failure.

Releases

5 releases since Debian 10 (Buster); the text changed 4 times.

  1. 10
  2. 11
  3. 12
  4. 13
  5. Arch

Reporting bugs

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

From gnutls 3.8.13-3 in Arch Linux 2026-11-07. Parsed by carta from the page's man source.