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postgresql/src/backend/libpq
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Noah Misch 3a5d0c5533 Avoid reading below the start of a stack variable in tokenize_file(). 
We would wrongly overwrite the prior stack byte if it happened to
contain '\n' or '\r'.  New in 9.3, so no back-patch.
2013-06-12 19:50:52 -04:00
..
auth.c pgindent run for release 9.3 2013-05-29 16:58:43 -04:00
be-fsstubs.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
be-secure.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
crypt.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
hba.c Avoid reading below the start of a stack variable in tokenize_file(). 2013-06-12 19:50:52 -04:00
ip.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
Makefile Remove cvs keywords from all files. 2010-09-20 22:08:53 +02:00
md5.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
pg_hba.conf.sample initdb: Add options --auth-local and --auth-host 2012-02-01 21:18:55 +02:00
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 pgindent run for release 9.3 2013-05-29 16:58:43 -04:00
pqformat.c Update copyrights for 2013 2013-01-01 17:15:01 -05:00
pqsignal.c Move pqsignal() to libpgport. 2013-03-17 12:06:42 -04:00
README.SSL Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00

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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