On Fri, Jul 05, 2013 at 11:30:11AM -0700, Junio C Hamano wrote:
> John Keeping <[email protected]> writes:
>
> > On Fri, Jul 05, 2013 at 10:20:11AM -0700, Junio C Hamano wrote:
> >> "brian m. carlson" <[email protected]> writes:
> >>
> >> > You've covered the STARTTLS case, but not the SSL one right above it.
> >> > Someone using smtps on port 465 will still see the warning. You can
> >> > pass SSL_verify_mode to Net::SMTP::SSL->new just like you pass it to
> >> > start_SSL.
> >>
> >> OK, will a fix-up look like this on top of 1/2 and 2/2?
> >
> > According to IO::Socket::SSL [1], if neither SSL_ca_file nor SSL_ca_path
> > is specified then builtin defaults will be used, so I wonder if we
> > should pass SSL_VERIFY_PEER regardless (possibly with a switch for
> > SSL_VERIFY_NONE if people really need that).
> >
> > [1] http://search.cpan.org/~sullr/IO-Socket-SSL-1.951/lib/IO/Socket/SSL.pm
>
> Interesting. That frees us from saying "we assume /etc/ssl/cacerts
> is the default location, and let the users override it".
>
> To help those "I do not want verification because I know my server
> does not present valid certificate, I know my server is internal and
> trustable, and I do not bother to fix it" people, we can let them
> specify an empty string (or any non-directory) as the CACertPath,
> and structure the code like so?
>
> if (defined $smtp_ssl_cert_path && -d $smtp_ssl_cert_path) {
> return (SSL_verify_mode => SSL_VERIFY_PEER,
> SSL_ca_path => $smtp_ssl_cert_path);
> } elsif (defined $smtp_ssl_cert_path) {
> return (SSL_verify_mode => SSL_VERIFY_NONE);
> } else {
> return (SSL_verify_mode => SSL_VERIFY_PEER);
> }
I'd rather have '$smtp_ssl_cert_path ne ""' in the first if condition
(instead of the '-d $smtp_ssl_cert_path') but that seems reasonable and
agrees with my reading of the documentation.
Perhaps a complete solution could allow CA files as well:
if (defined $smtp_ssl_cert_path) {
if ($smtp_ssl_cert_path eq "") {
return (SSL_verify_mode => SSL_VERIFY_NONE);
} elsif (-f $smtp_ssl_cert_path) {
return (SSL_verify_mode => SSL_VERIFY_PEER,
SSL_ca_file => $smtp_ssl_cert_path);
} else {
return (SSL_verify_mode => SSL_VERIFY_PEER,
SSL_ca_path => $smtp_ssl_cert_path);
}
} else {
return (SSL_verify_mode => SSL_VERIFY_PEER);
}
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