gnutls_x509_crt_check_hostname man page on Archlinux

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gnutls_x509_crt_check_hostname(3)   gnutls   gnutls_x509_crt_check_hostname(3)

NAME
       gnutls_x509_crt_check_hostname - API function

SYNOPSIS
       #include <gnutls/x509.h>

       int gnutls_x509_crt_check_hostname(gnutls_x509_crt_t cert, const char *
       hostname);

ARGUMENTS
       gnutls_x509_crt_t cert
		   should contain an gnutls_x509_crt_t structure

       const char * hostname
		   A null terminated string that contains a DNS name

DESCRIPTION
       This function will check if the given certificate's subject matches the
       given  hostname.	  This	is  a  basic  implementation  of  the matching
       described in RFC2818 (HTTPS), which takes into account  wildcards,  and
       the DNSName/IPAddress subject alternative name PKIX extension.

       The  comparison	may have false-negatives as it is done byte by byte in
       non-ascii names.

       Wildcards are only considered if the domain name consists of three com‐
       ponents or more, and the wildcard starts at the leftmost position.

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

REPORTING BUGS
       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org

COPYRIGHT
       Copyright © 2001-2014 Free Software Foundation, Inc..
       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.

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

       http://www.gnutls.org/manual/

gnutls				     3.3.1   gnutls_x509_crt_check_hostname(3)
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