[pgpool-committers: 5537] pgpool: Allow to set a client cipher list.

[Tatsuo Ishii]

Allow to set a client cipher list.

For this purpose new parameter "ssl_ciphers" is added. This is already
implemented in PostgreSQL and useful to enhance security when SSL is
enabled.

Branch
------
V3_5_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=d919f5ab964ce1af8a607b205d10eaa4e27fc6db

Modified Files
--------------
src/config/pool_config.c                   | 435 +++++++++++++++--------------
src/config/pool_config.l                   |  23 +-
src/include/pool_config.h                  |   1 +
src/sample/pgpool.conf.sample              |   4 +-
src/sample/pgpool.conf.sample-master-slave |   4 +-
src/sample/pgpool.conf.sample-replication  |   4 +-
src/sample/pgpool.conf.sample-stream       |   4 +-
src/utils/pool_process_reporting.c         |   5 +
src/utils/pool_ssl.c                       |   7 +
9 files changed, 274 insertions(+), 213 deletions(-)