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authorMagnus Hagander <magnus@hagander.net>2010-02-25 13:26:19 +0000
committerMagnus Hagander <magnus@hagander.net>2010-02-25 13:26:19 +0000
commitf8bd81b4cb6970c784e5c8250861df1e09cf323e (patch)
tree3b24d5ac325d5078ab56a0deedcaac5719f5b9d3 /src/backend/utils/misc/guc.c
parent2c0914be737f81c2d0c020bf44fb66d92281c3a6 (diff)
downloadpostgresql-f8bd81b4cb6970c784e5c8250861df1e09cf323e.tar.gz
postgresql-f8bd81b4cb6970c784e5c8250861df1e09cf323e.zip
Add configuration parameter ssl_renegotiation_limit to control
how often we do SSL session key renegotiation. Can be set to 0 to disable renegotiation completely, which is required if a broken SSL library is used (broken patches to CVE-2009-3555 a known cause) or when using a client library that can't do renegotiation.
Diffstat (limited to 'src/backend/utils/misc/guc.c')
-rw-r--r--src/backend/utils/misc/guc.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index d9ff84593a1..d8a82ee10d3 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -10,7 +10,7 @@
* Written by Peter Eisentraut <peter_e@gmx.net>.
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.360.2.6 2010/01/24 21:49:48 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/misc/guc.c,v 1.360.2.7 2010/02/25 13:26:19 mha Exp $
*
*--------------------------------------------------------------------
*/
@@ -103,6 +103,7 @@ extern int CommitDelay;
extern int CommitSiblings;
extern char *default_tablespace;
extern bool fullPageWrites;
+extern int ssl_renegotiation_limit;
#ifdef TRACE_SORT
extern bool trace_sort;
@@ -1622,6 +1623,16 @@ static struct config_int ConfigureNamesInt[] =
},
{
+ {"ssl_renegotiation_limit", PGC_USERSET, CONN_AUTH_SECURITY,
+ gettext_noop("Set the amount of traffic to send and receive before renegotiating the encryption keys."),
+ NULL,
+ GUC_UNIT_KB,
+ },
+ &ssl_renegotiation_limit,
+ 512 * 1024, 0, MAX_KILOBYTES, NULL, NULL
+ },
+
+ {
{"tcp_keepalives_count", PGC_USERSET, CLIENT_CONN_OTHER,
gettext_noop("Maximum number of TCP keepalive retransmits."),
gettext_noop("This controls the number of consecutive keepalive retransmits that can be "