Re: [PATCH v2] send-email: Net::SMTP::SSL is obsolete, use only when necessary

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Ping. It's a little over a month since I sent this, but I haven't seen
any comments. Is this commit good to go?

On Fri, 2017-03-24 at 22:37 +0100, Dennis Kaarsemaker wrote:
> Net::SMTP itself can do the necessary SSL and STARTTLS bits just fine
> since version 1.28, and Net::SMTP::SSL is now deprecated. Since 1.28
> isn't that old yet, keep the old code in place and use it when
> necessary.
> 
> While we're in the area, mark some messages for translation that were
> not yet marked as such.
> 
> Signed-off-by: Dennis Kaarsemaker <dennis@xxxxxxxxxxxxxxx>
> ---
>  git-send-email.perl | 54 ++++++++++++++++++++++++++++++++++-------------------
>  1 file changed, 35 insertions(+), 19 deletions(-)
> 
> diff --git a/git-send-email.perl b/git-send-email.perl
> index eea0a517f7..0d90439d9a 100755
> --- a/git-send-email.perl
> +++ b/git-send-email.perl
> @@ -1353,10 +1353,12 @@ EOF
>  			die __("The required SMTP server is not properly defined.")
>  		}
>  
> +		require Net::SMTP;
> +		my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("1.28");
> +		$smtp_domain ||= maildomain();
> +
>  		if ($smtp_encryption eq 'ssl') {
>  			$smtp_server_port ||= 465; # ssmtp
> -			require Net::SMTP::SSL;
> -			$smtp_domain ||= maildomain();
>  			require IO::Socket::SSL;
>  
>  			# Suppress "variable accessed once" warning.
> @@ -1368,34 +1370,48 @@ EOF
>  			# Net::SMTP::SSL->new() does not forward any SSL options
>  			IO::Socket::SSL::set_client_defaults(
>  				ssl_verify_params());
> -			$smtp ||= Net::SMTP::SSL->new($smtp_server,
> -						      Hello => $smtp_domain,
> -						      Port => $smtp_server_port,
> -						      Debug => $debug_net_smtp);
> +
> +			if ($use_net_smtp_ssl) {
> +				require Net::SMTP::SSL;
> +				$smtp ||= Net::SMTP::SSL->new($smtp_server,
> +							      Hello => $smtp_domain,
> +							      Port => $smtp_server_port,
> +							      Debug => $debug_net_smtp);
> +			}
> +			else {
> +				$smtp ||= Net::SMTP->new($smtp_server,
> +							 Hello => $smtp_domain,
> +							 Port => $smtp_server_port,
> +							 Debug => $debug_net_smtp,
> +							 SSL => 1);
> +			}
>  		}
>  		else {
> -			require Net::SMTP;
> -			$smtp_domain ||= maildomain();
>  			$smtp_server_port ||= 25;
>  			$smtp ||= Net::SMTP->new($smtp_server,
>  						 Hello => $smtp_domain,
>  						 Debug => $debug_net_smtp,
>  						 Port => $smtp_server_port);
>  			if ($smtp_encryption eq 'tls' && $smtp) {
> -				require Net::SMTP::SSL;
> -				$smtp->command('STARTTLS');
> -				$smtp->response();
> -				if ($smtp->code == 220) {
> +				if ($use_net_smtp_ssl) {
> +					$smtp->command('STARTTLS');
> +					$smtp->response();
> +					if ($smtp->code != 220) {
> +						die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message);
> +					}
> +					require Net::SMTP::SSL;
>  					$smtp = Net::SMTP::SSL->start_SSL($smtp,
>  									  ssl_verify_params())
> -						or die "STARTTLS failed! ".IO::Socket::SSL::errstr();
> -					$smtp_encryption = '';
> -					# Send EHLO again to receive fresh
> -					# supported commands
> -					$smtp->hello($smtp_domain);
> -				} else {
> -					die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message);
> +						or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr());
> +				}
> +				else {
> +					$smtp->starttls(ssl_verify_params())
> +						or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr());
>  				}
> +				$smtp_encryption = '';
> +				# Send EHLO again to receive fresh
> +				# supported commands
> +				$smtp->hello($smtp_domain);
>  			}
>  		}
>  



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