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Commit81301b8

Browse files
committed
Check that the pg_upgrade user specified is a super-user.
Also report the error message when the post-pg_ctl connection fails.Per private bug report from EnterpriseDB.
1 parent71932ec commit81301b8

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2 files changed

+32
-3
lines changed

2 files changed

+32
-3
lines changed

‎contrib/pg_upgrade/check.c

Lines changed: 28 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@ static void check_new_cluster_is_empty(void);
1515
staticvoidcheck_old_cluster_has_new_cluster_dbs(void);
1616
staticvoidcheck_locale_and_encoding(ControlData*oldctrl,
1717
ControlData*newctrl);
18+
staticvoidcheck_is_super_user(ClusterInfo*cluster);
1819
staticvoidcheck_for_isn_and_int8_passing_mismatch(ClusterInfo*cluster);
1920
staticvoidcheck_for_reg_data_type_usage(ClusterInfo*cluster);
2021

@@ -63,7 +64,7 @@ check_old_cluster(bool live_check,
6364
/*
6465
* Check for various failure cases
6566
*/
66-
67+
check_is_super_user(&old_cluster);
6768
check_for_reg_data_type_usage(&old_cluster);
6869
check_for_isn_and_int8_passing_mismatch(&old_cluster);
6970

@@ -472,6 +473,32 @@ create_script_for_old_cluster_deletion(
472473
}
473474

474475

476+
/*
477+
*check_is_super_user()
478+
*
479+
*Make sure we are the super-user.
480+
*/
481+
staticvoid
482+
check_is_super_user(ClusterInfo*cluster)
483+
{
484+
PGresult*res;
485+
PGconn*conn=connectToServer(cluster,"template1");
486+
487+
/* Can't use pg_authid because only superusers can view it. */
488+
res=executeQueryOrDie(conn,
489+
"SELECT rolsuper "
490+
"FROM pg_catalog.pg_roles "
491+
"WHERE rolname = current_user");
492+
493+
if (PQntuples(res)!=1||strcmp(PQgetvalue(res,0,0),"t")!=0)
494+
pg_log(PG_FATAL,"the database user is not a superuser\n");
495+
496+
PQclear(res);
497+
498+
PQfinish(conn);
499+
}
500+
501+
475502
/*
476503
*check_for_isn_and_int8_passing_mismatch()
477504
*

‎contrib/pg_upgrade/server.c

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -27,7 +27,7 @@ connectToServer(ClusterInfo *cluster, const char *db_name)
2727

2828
if (conn==NULL||PQstatus(conn)!=CONNECTION_OK)
2929
{
30-
pg_log(PG_REPORT,"Connection to database failed: %s\n",
30+
pg_log(PG_REPORT,"connection to database failed: %s\n",
3131
PQerrorMessage(conn));
3232

3333
if (conn)
@@ -189,7 +189,9 @@ start_postmaster(ClusterInfo *cluster)
189189
if ((conn=get_db_conn(cluster,"template1"))==NULL||
190190
PQstatus(conn)!=CONNECTION_OK)
191191
{
192-
if (conn)
192+
pg_log(PG_REPORT,"\nconnection to database failed: %s\n",
193+
PQerrorMessage(conn));
194+
if (conn)
193195
PQfinish(conn);
194196
pg_log(PG_FATAL,"unable to connect to %s postmaster started with the command: %s\n"
195197
"Perhaps pg_hba.conf was not set to \"trust\".\n",

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