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Break out OpenSSL-specific code to separate files.

Browse Source 
This refactoring is in preparation for adding support for other SSL
implementations, with no user-visible effects. There are now two #defines,
USE_OPENSSL which is defined when building with OpenSSL, and USE_SSL which
is defined when building with any SSL implementation. Currently, OpenSSL is
the only implementation so the two #defines go together, but USE_SSL is
supposed to be used for implementation-independent code.

The libpq SSL code is changed to use a custom BIO, which does all the raw
I/O, like we've been doing in the backend for a long time. That makes it
possible to use MSG_NOSIGNAL to block SIGPIPE when using SSL, which avoids
a couple of syscall for each send(). Probably doesn't make much performance
difference in practice - the SSL encryption is expensive enough to mask the
effect - but it was a natural result of this refactoring.

Based on a patch by Martijn van Oosterhout from 2006. Briefly reviewed by
Alvaro Herrera, Andreas Karlsson, Jeff Janes.
This commit is contained in:
Heikki Linnakangas
2014-08-11 11:54:19 +03:00
parent 6aa61580e0
commit 680513ab79
26 changed files with 2782 additions and 2428 deletions
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8
src/backend/utils/init/postinit.c
View File

@ -231,8 +231,8 @@ PerformAuthentication(Port *port)
{
if (am_walsender)
{
#ifdef USE_SSL
if (port->ssl)
#ifdef USE_OPENSSL
if (port->ssl_in_use)
ereport(LOG,
(errmsg("replication connection authorized: user=%s SSL enabled (protocol=%s, cipher=%s, compression=%s)",
port->user_name, SSL_get_version(port->ssl), SSL_get_cipher(port->ssl),
@ -245,8 +245,8 @@ PerformAuthentication(Port *port)
}
else
{
#ifdef USE_SSL
if (port->ssl)
#ifdef USE_OPENSSL
if (port->ssl_in_use)
ereport(LOG,
(errmsg("connection authorized: user=%s database=%s SSL enabled (protocol=%s, cipher=%s, compression=%s)",
port->user_name, port->database_name, SSL_get_version(port->ssl), SSL_get_cipher(port->ssl),