postgresql

History

Peter Eisentraut 788af6f854 Move atooid() definition to a central place		2017-03-01 11:55:28 -05:00
..
Makefile	Move code shared between libpq and backend from backend/libpq/ to common/.	2016-09-02 13:49:59 +03:00
README.SSL	Remove useless whitespace at end of lines	2010-11-23 22:34:55 +02:00
auth.c	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
be-fsstubs.c	Rename C symbols for backend lo_ functions	2017-01-17 12:35:30 -05:00
be-secure-openssl.c	Re-allow SSL passphrase prompt at server start, but not thereafter.	2017-01-04 12:44:03 -05:00
be-secure.c	Re-allow SSL passphrase prompt at server start, but not thereafter.	2017-01-04 12:44:03 -05:00
crypt.c	Silence compiler warning.	2017-02-02 10:42:37 +02:00
hba.c	Move atooid() definition to a central place	2017-03-01 11:55:28 -05:00
ifaddr.c	Remove some configure header-file checks that we weren't really using.	2017-02-25 18:10:09 -05:00
pg_hba.conf.sample	Consistently mention 'SELECT pg_reload_conf()' in config files	2016-10-25 11:26:15 -04:00
pg_ident.conf.sample	Reformat the comments in pg_hba.conf and pg_ident.conf	2010-01-26 06:58:39 +00:00
pqcomm.c	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
pqformat.c	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
pqmq.c	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00
pqsignal.c	Update copyright via script for 2017	2017-01-03 13:48:53 -05:00

README.SSL

src/backend/libpq/README.SSL

SSL
===

>From the servers perspective:


  Receives StartupPacket
           |
           |
 (Is SSL_NEGOTIATE_CODE?) -----------  Normal startup
           |                  No
           |
           | Yes
           |
           |
 (Server compiled with USE_SSL?) ------- Send 'N'
           |                       No        |
           |                                 |
           | Yes                         Normal startup
           |
           |
        Send 'S'
           |
           |
      Establish SSL
           |
           |
      Normal startup





>From the clients perspective (v6.6 client _with_ SSL):


      Connect
         |
         |
  Send packet with SSL_NEGOTIATE_CODE
         |
         |
  Receive single char  ------- 'S' -------- Establish SSL
         |                                       |
         | '<else>'                              |
         |                                  Normal startup
         |
         |
   Is it 'E' for error  ------------------- Retry connection
         |                  Yes             without SSL
         | No
         |
   Is it 'N' for normal ------------------- Normal startup
         |                  Yes
         |
   Fail with unknown

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