.\" DO NOT MODIFY THIS FILE! It was generated by gdoc. .TH "gnutls_x509_name_constraints_check" 3 "3.8.3" "gnutls" "gnutls" .SH NAME gnutls_x509_name_constraints_check \- API function .SH SYNOPSIS .B #include .sp .BI "unsigned gnutls_x509_name_constraints_check(gnutls_x509_name_constraints_t " nc ", gnutls_x509_subject_alt_name_t " type ", const gnutls_datum_t * " name ");" .SH ARGUMENTS .IP "gnutls_x509_name_constraints_t nc" 12 the extracted name constraints .IP "gnutls_x509_subject_alt_name_t type" 12 the type of the constraint to check (of type gnutls_x509_subject_alt_name_t) .IP "const gnutls_datum_t * name" 12 the name to be checked .SH "DESCRIPTION" This function will check the provided name against the constraints in \fInc\fP using the RFC5280 rules. Currently this function is limited to DNS names, emails and IP addresses (of type \fBGNUTLS_SAN_DNSNAME\fP, \fBGNUTLS_SAN_RFC822NAME\fP and \fBGNUTLS_SAN_IPADDRESS\fP). .SH "RETURNS" zero if the provided name is not acceptable, and non\-zero otherwise. .SH "SINCE" 3.3.0 .SH "REPORTING BUGS" Report bugs to . .br Home page: https://www.gnutls.org .SH COPYRIGHT Copyright \(co 2001-2023 Free Software Foundation, Inc., and others. .br Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. .SH "SEE ALSO" The full documentation for .B gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit .B .IP https://www.gnutls.org/manual/ .PP