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Re: [PATCH v2 2/2] send-email: introduce sendemail.smtpsslcertpath

From
brian m. carlson <sandals@crustytoothpaste.net>
Date
Jul 5, 2013, 12:45 UTC
Message-ID
<20130705124536.GU862789@vauxhall.crustytoothpaste.net>
In-Reply-To
<1373025947-26495-3-git-send-email-artagnon@gmail.com>
On Fri, Jul 05, 2013 at 05:35:47PM +0530, Ramkumar Ramachandra wrote:
Show 25 quoted lines
> @@ -1193,13 +1197,23 @@ X-Mailer: git-send-email $gitversion
>  						 Debug => $debug_net_smtp);
>  			if ($smtp_encryption eq 'tls' && $smtp) {
>  				require Net::SMTP::SSL;
> -				use IO::Socket::SSL qw(SSL_VERIFY_NONE);
> +				use IO::Socket::SSL qw(SSL_VERIFY_PEER SSL_VERIFY_NONE);
>  				$smtp->command('STARTTLS');
>  				$smtp->response();
>  				if ($smtp->code == 220) {
> -					$smtp = Net::SMTP::SSL->start_SSL($smtp,
> -									  SSL_verify_mode => SSL_VERIFY_NONE)
> -						or die "STARTTLS failed! ".$smtp->message;
> +					# Attempt to use a ca-certificate by default
> +					$smtp_ssl_cert_path |= "/etc/ssl/certs";
> +					if (-d $smtp_ssl_cert_path) {
> +						$smtp = Net::SMTP::SSL->start_SSL($smtp,
> +										  SSL_verify_mode => SSL_VERIFY_PEER,
> +										  SSL_ca_path => $smtp_ssl_cert_path)
> +							or die "STARTTLS failed! ".$smtp->message;
> +					} else {
> +						print STDERR "warning: Using SSL_VERIFY_NONE.  See sendemail.smtpsslcertpath.\n";
> +						$smtp = Net::SMTP::SSL->start_SSL($smtp,
> +										  SSL_verify_mode => SSL_VERIFY_NONE)
> +							or die "STARTTLS failed! ".$smtp->message;
> +					}

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.

-- 
brian m. carlson / brian with sandals: Houston, Texas, US
+1 832 623 2791 | http://www.crustytoothpaste.net/~bmc | My opinion only
OpenPGP: RSA v4 4096b: 88AC E9B2 9196 305B A994 7552 F1BA 225C 0223 B187
Previous: Ramkumar RamachandraNext: Ramkumar Ramachandra
Message 19 of 32 in “Squelch warning from send-email”
  1. 0/2 Squelch warning from send-emailRamkumar Ramachandra, Jul 5, 2013
  2. 1/2 send-email: squelch warning from Net::SMTP::SSLRamkumar Ramachandra, Jul 5, 2013
  3. Torsten BögershausenJul 6, 2013
  4. brian m. carlsonJul 6, 2013
  5. Torsten BögershausenJul 6, 2013
  6. Ramkumar RamachandraJul 14, 2013
  7. brian m. carlsonJul 14, 2013
  8. Ramkumar RamachandraJul 14, 2013
  9. Torsten BögershausenJul 15, 2013
  10. Junio C HamanoJul 15, 2013
  11. send-email: improve SSL certificate verificationbrian m. carlson, Jul 16, 2013
  12. Torsten BögershausenJul 16, 2013
  13. brian m. carlsonJul 16, 2013
  14. Re* [PATCH] send-email: improve SSL certificate verificationJunio C Hamano, Jul 18, 2013
  15. Ramkumar RamachandraJul 18, 2013
  16. 2/2 send-email: introduce sendemail.smtpsslcertpathRamkumar Ramachandra, Jul 5, 2013
  17. Eric SunshineJul 5, 2013
  18. Ramkumar RamachandraJul 5, 2013
  19. brian m. carlsonJul 5, 2013
  20. Ramkumar RamachandraJul 5, 2013
  21. brian m. carlsonJul 5, 2013
  22. Junio C HamanoJul 5, 2013
  23. John KeepingJul 5, 2013
  24. Junio C HamanoJul 5, 2013
  25. John KeepingJul 5, 2013
  26. Junio C HamanoJul 6, 2013
  27. John KeepingJul 6, 2013
  28. Junio C HamanoJul 7, 2013
  29. John KeepingJul 7, 2013
  30. brian m. carlsonJul 5, 2013
  31. Jeff KingJul 7, 2013
  32. Junio C HamanoJul 7, 2013

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