wtf-sequel.rb

#!/usr/bin/env ruby
# encoding: UTF-8

require 'openssl'
require 'uri'
require 'pg'

a = OpenSSL::X509::Certificate.new "-----BEGIN CERTIFICATE-----
MIIC5zCCAlACAQEwDQYJKoZIhvcNAQEFBQAwgbsxJDAiBgNVBAcTG1ZhbGlDZXJ0
IFZhbGlkYXRpb24gTmV0d29yazEXMBUGA1UEChMOVmFsaUNlcnQsIEluYy4xNTAz
BgNVBAsTLFZhbGlDZXJ0IENsYXNzIDIgUG9saWN5IFZhbGlkYXRpb24gQXV0aG9y
aXR5MSEwHwYDVQQDExhodHRwOi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAeBgkqhkiG
9w0BCQEWEWluZm9AdmFsaWNlcnQuY29tMB4XDTk5MDYyNjAwMTk1NFoXDTE5MDYy
NjAwMTk1NFowgbsxJDAiBgNVBAcTG1ZhbGlDZXJ0IFZhbGlkYXRpb24gTmV0d29y
azEXMBUGA1UEChMOVmFsaUNlcnQsIEluYy4xNTAzBgNVBAsTLFZhbGlDZXJ0IENs
YXNzIDIgUG9saWN5IFZhbGlkYXRpb24gQXV0aG9yaXR5MSEwHwYDVQQDExhodHRw
Oi8vd3d3LnZhbGljZXJ0LmNvbS8xIDAeBgkqhkiG9w0BCQEWEWluZm9AdmFsaWNl
cnQuY29tMIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDOOnHK5avIWZJV16vY
dA757tn2VUdZZUcOBVXc65g2PFxTXdMwzzjsvUGJ7SVCCSRrCl6zfN1SLUzm1NZ9
WlmpZdRJEy0kTRxQb7XBhVQ7/nHk01xC+YDgkRoKWzk2Z/M/VXwbP7RfZHM047QS
v4dk+NoS/zcnwbNDu+97bi5p9wIDAQABMA0GCSqGSIb3DQEBBQUAA4GBADt/UG9v
UJSZSWI4OB9L+KXIPqeCgfYrx+jFzug6EILLGACOTb2oWH+heQC1u+mNr0HZDzTu
IYEZoDJJKPTEjlbVUjP9UNV+mWwD5MlM/Mtsq2azSiGM5bUMMj4QssxsodyamEwC
W/POuZ6lcg5Ktz885hZo+L7tdEy8W9ViH0Pd
-----END CERTIFICATE-----"

b = OpenSSL::X509::Certificate.new "-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"

dburl = URI.parse(ENV['DATABASE_URL'])
conn  = PGconn.connect host:dburl.host,
                       port:dburl.port,
                     dbname:dburl.path.sub(%r[^/], ''),
                       user:dburl.user,
                   password:dburl.password,
                    sslmode:'require'

# works because verify will return true
a.verify(a.public_key)
conn.async_exec 'SELECT 1'

# works fine if run in another thread
Thread.new {a.verify(b.public_key)}.join
conn.async_exec 'SELECT 1'

# borks because verify is false
a.verify(b.public_key)
conn.async_exec 'SELECT 1'

Playing in irb:

>> a.verify(a.public_key)                     # => true
>> conn.async_exec 'SELECT 1'                 # => #<PG::Result:0x00000002624998>

>> Thread.new {a.verify(b.public_key)}.join   # => #<Thread:0x00000002615150 dead>
>> conn.async_exec 'SELECT 1'                 # => #<PG::Result:0x000000026101f0>

>> a.verify(b.public_key)                     # => false # <---borks!
>> conn.async_exec 'SELECT 1'
PG::Error: SSL error: block type is not 01

    from (irb):66:in `async_exec'
    from (irb):66
    from bin/irb:16:in `<main>'

Does it ever work when verify returns false?

Actually nevermind.

I'm investigating a similar problem. Does this code still fail? I can't get it to raise an exception with pg v0.17 and OpenSSL "OpenSSL 1.0.1c 10 May 2012"