Feature #15594: [PATCH] net/imap: support SNI

• Status: Closed
• Priority: Normal
• Assignee: shugo (Shugo Maeda)
• Target version: -

[Keruspe (Marc-Antoine Perennou)]

This fixes connecting using TLS 1.3 to imap.gmail.com

See https://github.com/ruby/openssl/issues/238 and https://github.com/ruby/ruby/pull/2077

[znz (Kazuhiro NISHIYAMA)]

• Assignee set to shugo (Shugo Maeda)
• Status changed from Open to Assigned

[Keruspe (Marc-Antoine Perennou)]

• File deleted (0001-net-imap-support-SNI.patch)
• File 0001-net-imap-support-SNI.patch 0001-net-imap-support-SNI.patch added

[knu (Akinori MUSHA)]

I think this is necessary for the library to be able to connect to the Gmail server which now requires SNI.

[knu (Akinori MUSHA)]

Maybe POP3 & SMTP need this too.

[knu (Akinori MUSHA)]

Here's a possible workaround:

require 'net/protocol'

class Net::Protocol
  module ForceSNI
    def ssl_socket_connect(*)
      @sock.hostname = @host if @sock.respond_to? :hostname=
      super
    end
  end

  prepend ForceSNI
end

[shugo (Shugo Maeda)]

• Status changed from Assigned to Closed

Applied in changeset trunk|r67488.

---

Support SNI

This fixes connecting using TLS 1.3 to imap.gmail.com

[Fix GH-2077] [Feature #15594]

From: Marc-Antoine Perennou [e-mail]

[naruse (Yui NARUSE)]

• Related to Bug #15769: Backport r67563: SNI is not enabled in Net::IMAP added

[hone (Terence Lee)]

• Related to Bug #16028: Backport r67563: SNI is not enabled in Net::IMAP added