From 329dd039a211ed7634b45e2c908f7dc375b806a2 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 22 Jan 2018 10:54:10 +0200 Subject: [ci skip] If possible, always negotiate for TLS 1.0, TLS 1.1, TLS 1.2 for SMTP connections in CI_Email --- system/libraries/Email.php | 14 +++++++++++++- user_guide_src/source/changelog.rst | 4 +++- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/system/libraries/Email.php b/system/libraries/Email.php index 967a0019a..71740ee5e 100644 --- a/system/libraries/Email.php +++ b/system/libraries/Email.php @@ -2074,7 +2074,19 @@ class CI_Email { $this->_send_command('hello'); $this->_send_command('starttls'); - $crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT); + /** + * STREAM_CRYPTO_METHOD_TLS_CLIENT is quite the mess ... + * + * - On PHP <5.6 it doesn't even mean TLS, but SSL 2.0, and there's no option to use actual TLS + * - On PHP 5.6.0-5.6.6, >=7.2 it means negotiation with any of TLS 1.0, 1.1, 1.2 + * - On PHP 5.6.7-7.1.* it means only TLS 1.0 + * + * We want the negotiation, so we'll force it below ... + */ + $method = is_php('5.6') + ? STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT | STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT + : STREAM_CRYPTO_METHOD_TLS_CLIENT; + $crypto = stream_socket_enable_crypto($this->_smtp_connect, TRUE, $method); if ($crypto !== TRUE) { diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index f74308342..f6e24e519 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -7,7 +7,9 @@ Version 3.1.8 Release Date: Not Released -- General Changes +- General Changes + + - Updated :doc:`Email Library ` to always negotiate between TLS 1.0, 1.1, 1.2 when possible (PHP 5.6+) for SMTP connections. Bug fixes for 3.1.8 ------------------- -- cgit v1.2.3-24-g4f1b