diff options
Diffstat (limited to 'src/backend/commands/variable.c')
| -rw-r--r-- | src/backend/commands/variable.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/backend/commands/variable.c b/src/backend/commands/variable.c index b1d970b9ab0..2639a033f38 100644 --- a/src/backend/commands/variable.c +++ b/src/backend/commands/variable.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.105.4.3 2006/02/12 22:33:14 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/commands/variable.c,v 1.105.4.4 2008/01/03 21:25:00 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -656,6 +656,22 @@ assign_session_authorization(const char *value, bool doit, GucSource source) /* not a saved ID, so look it up */ HeapTuple userTup; + if (InSecurityDefinerContext()) + { + /* + * Disallow SET SESSION AUTHORIZATION inside a security definer + * context. We need to do this because when we exit the context, + * GUC won't be notified, leaving things out of sync. Note that + * this test is positioned so that restoring a previously saved + * setting isn't prevented. + */ + if (source >= PGC_S_INTERACTIVE) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("cannot set session authorization within security-definer function"))); + return NULL; + } + if (!IsTransactionState()) { /* |