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Add REPLICATION privilege for ROLEs

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This privilege is required to do Streaming Replication, instead of
superuser, making it possible to set up a SR slave that doesn't
have write permissions on the master.

Superuser privileges do NOT override this check, so in order to
use the default superuser account for replication it must be
explicitly granted the REPLICATION permissions. This is backwards
incompatible change, in the interest of higher default security.
This commit is contained in:
Magnus Hagander
2010-12-29 11:05:03 +01:00
parent f2ba1e994c
commit 9b8aff8c19
19 changed files with 189 additions and 32 deletions
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8
src/backend/access/transam/xlog.c
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@@ -8301,10 +8301,10 @@ pg_start_backup(PG_FUNCTION_ARGS)
struct stat stat_buf;
FILE *fp;
if (!superuser())
if (!superuser() && !is_authenticated_user_replication_role())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
errmsg("must be superuser to run a backup")));
errmsg("must be superuser or replication role to run a backup")));
if (RecoveryInProgress())
ereport(ERROR,
@@ -8493,10 +8493,10 @@ pg_stop_backup(PG_FUNCTION_ARGS)
int waits = 0;
bool reported_waiting = false;
if (!superuser())
if (!superuser() && !is_authenticated_user_replication_role())
ereport(ERROR,
(errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),
(errmsg("must be superuser to run a backup"))));
(errmsg("must be superuser or replication role to run a backup"))));
if (RecoveryInProgress())
ereport(ERROR,