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Commit2bc84b6

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Add defense in assign_session_authorization() against trying to do
catalog lookups when not in a transaction. This prevents bizarrefailures if someone tries to set a value for session_authorization inpostgresql.conf. Per report from Fernando Nasser.
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‎src/backend/commands/variable.c

Lines changed: 11 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/commands/variable.c,v 1.77 2003/05/22 17:13:08 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/commands/variable.c,v 1.78 2003/06/06 16:25:35 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -750,6 +750,16 @@ assign_session_authorization(const char *value, bool doit, bool interactive)
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/* not a saved ID, so look it up */
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HeapTupleuserTup;
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if (!IsTransactionState())
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{
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/*
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* Can't do catalog lookups, so fail. The upshot of this is
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* that session_authorization cannot be set in postgresql.conf,
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* which seems like a good thing anyway.
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*/
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returnNULL;
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}
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userTup=SearchSysCache(SHADOWNAME,
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PointerGetDatum(value),
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0,0,0);

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