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postgresql/src/backend/libpq
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Tom Lane 8d9881911f Require update permission for the large object written by lo_put(). 
lo_put() surely should require UPDATE permission, the same as lowrite(),
but it failed to check for that, as reported by Chapman Flack.  Oversight
in commit c50b7c09d; backpatch to 9.4 where that was introduced.

Tom Lane and Michael Paquier

Security: CVE-2017-7548
 		2017-08-07 10:19:19 -04:00
..
Makefile Support SCRAM-SHA-256 authentication (RFC 5802 and 7677). 2017-03-07 14:25:40 +02:00
README.SSL Remove useless whitespace at end of lines 2010-11-23 22:34:55 +02:00
auth-scram.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
auth.c Don't allow logging in with empty password. 2017-08-07 17:03:42 +03:00
be-fsstubs.c Require update permission for the large object written by lo_put(). 2017-08-07 10:19:19 -04:00
be-secure-openssl.c Disallow SSL session tickets. 2017-08-04 11:07:10 -04:00
be-secure.c Always use 2048 bit DH parameters for OpenSSL ephemeral DH ciphers. 2017-07-31 22:36:09 +03:00
crypt.c Don't allow logging in with empty password. 2017-08-07 17:03:42 +03:00
hba.c Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
ifaddr.c Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
pg_hba.conf.sample Rename "scram" to "scram-sha-256" in pg_hba.conf and password_encryption. 2017-04-18 14:50:50 +03:00
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 Second try at fixing tcp_keepalives_idle option on Solaris. 2017-06-28 12:30:16 -04:00
pqformat.c Update copyright via script for 2017 2017-01-03 13:48:53 -05:00
pqmq.c Clean up latch related code. 2017-06-06 16:13:00 -07:00
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

---------------------------------------------------------------------------