[gnutls-devel] GnuTLS | trailing dot needs to be stripped for certificate matching (#521)

Björn Jacke gitlab at mg.gitlab.com
Wed Jul 18 12:19:04 CEST 2018

New Issue was created.

Issue 521: https://gitlab.com/gnutls/gnutls/issues/521
Author:    Björn Jacke

A perfectly correct DNS FQDN ends with a dot but this will break certificate name matching with of gnutls-clu because names in certs omit the trainling for for FQDNs:

# gnutls-cli --starttls-proto=smtp alt1.aspmx.l.google.com.:25
- Status: The certificate is NOT trusted. The name in the certificate does not match the expected. 
*** PKI verification of server certificate failed...
*** Fatal error: Error in the certificate.

while the same withalt1.aspmx.l.google.com:25 works. gnutls-cli shoult strip the dot for the name matching.

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