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Commit05f245a

Browse files
author
Vladimir Ershov
committed
fix roles access && SPI_connect problem
1 parent4aa57e8 commit05f245a

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7 files changed

+124
-99
lines changed

7 files changed

+124
-99
lines changed

‎pgpro_scheduler--1.0.sql

Lines changed: 23 additions & 46 deletions
Original file line numberDiff line numberDiff line change
@@ -111,6 +111,19 @@ CREATE TYPE schedule.cron_job AS(
111111
-- FUNCTIONS --
112112
---------------
113113

114+
CREATEFUNCTIONschedule.onlySuperUser() RETURNSbooleanAS
115+
$BODY$
116+
DECLARE
117+
is_superuserboolean;
118+
BEGIN
119+
EXECUTE'SELECT rolsuper FROM pg_roles WHERE rolname = session_user'
120+
INTO is_superuser;
121+
IF NOT is_superuser THEN
122+
RAISE EXCEPTION'access denied';
123+
END IF;
124+
END
125+
$BODY$ LANGUAGE plpgsql;
126+
114127
CREATEFUNCTIONschedule.on_cron_update() RETURNS TRIGGER
115128
AS $BODY$
116129
DECLARE
@@ -148,8 +161,8 @@ BEGIN
148161
RAISE EXCEPTION'there is no such job with id %', jobId;
149162
WHEN TOO_MANY_ROWS THEN
150163
RAISE EXCEPTION'there are more than one job with id %', jobId;
151-
END;
152-
EXECUTE'SELECTusesuper FROMpg_user WHEREusename = session_user'
164+
END;
165+
EXECUTE'SELECTrolsuper FROMpg_roles WHERErolname = session_user'
153166
INTO is_superuser;
154167
IF is_superuser THEN
155168
RETURN true;
@@ -306,7 +319,7 @@ BEGIN
306319
IF params?'run_as'AND params->>'run_as'<>session_user THEN
307320
executor := params->>'run_as';
308321
BEGIN
309-
SELECT* INTO STRICT recFROMpg_userWHEREusename= executor;
322+
SELECT* INTO STRICT recFROMpg_rolesWHERErolname= executor;
310323
EXCEPTION
311324
WHEN NO_DATA_FOUND THEN
312325
RAISE EXCEPTION'there is no such user %', executor;
@@ -703,14 +716,9 @@ LANGUAGE plpgsql;
703716
CREATEFUNCTIONschedule.clean_log() RETURNSINTAS
704717
$BODY$
705718
DECLARE
706-
is_superuserboolean;
707719
cntinteger;
708720
BEGIN
709-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
710-
INTO is_superuser;
711-
IF NOT is_superuser THEN
712-
RAISE EXCEPTION'access denied';
713-
END IF;
721+
SELECT onlySuperUser();
714722

715723
WITH aAS (DELETEFROMschedule.log RETURNING1)
716724
SELECTcount(*) INTO cntFROM a;
@@ -742,13 +750,8 @@ $BODY$
742750
DECLARE
743751
iischedule.cron;
744752
ooschedule.cron_rec;
745-
is_superuserboolean;
746753
BEGIN
747-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
748-
INTO is_superuser;
749-
IF NOT is_superuser THEN
750-
RAISE EXCEPTION'access denied: only superuser allowed';
751-
END IF;
754+
SELECT onlySuperUser();
752755

753756
FOR iiINSELECT*FROMschedule.cron LOOP
754757
oo :=schedule._make_cron_rec(ii);
@@ -781,14 +784,9 @@ $BODY$
781784
DECLARE
782785
iischedule.cron;
783786
ooschedule.cron_rec;
784-
is_superuserboolean;
785787
BEGIN
786788
IF usename<>session_user THEN
787-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
788-
INTO is_superuser;
789-
IF NOT is_superuser THEN
790-
RAISE EXCEPTION'access denied';
791-
END IF;
789+
SELECT onlySuperUser();
792790
END IF;
793791

794792
FOR iiINSELECT*FROMschedule.cronWHERE owner= usename LOOP
@@ -822,14 +820,9 @@ $BODY$
822820
DECLARE
823821
iischedule.cron;
824822
ooschedule.cron_rec;
825-
is_superuserboolean;
826823
BEGIN
827824
IF usename<>session_user THEN
828-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
829-
INTO is_superuser;
830-
IF NOT is_superuser THEN
831-
RAISE EXCEPTION'access denied';
832-
END IF;
825+
SELECT onlySuperUser();
833826
END IF;
834827

835828
FOR iiINSELECT*FROMschedule.cronWHERE executor= usename LOOP
@@ -847,7 +840,6 @@ $BODY$
847840
DECLARE
848841
ii record;
849842
ooschedule.cron_job;
850-
is_superuserboolean;
851843
BEGIN
852844
FOR iiINSELECT*FROMschedule.atas at,schedule.cronas cronWHEREcron.executor=session_userANDcron.id=at.cronANDat.active LOOP
853845
oo.cron=ii.id;
@@ -882,13 +874,8 @@ $BODY$
882874
DECLARE
883875
ii record;
884876
ooschedule.cron_job;
885-
is_superuserboolean;
886877
BEGIN
887-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
888-
INTO is_superuser;
889-
IF NOT is_superuser THEN
890-
RAISE EXCEPTION'access denied';
891-
END IF;
878+
SELECT onlySuperUser();
892879
FOR iiINSELECT*FROMschedule.atas at,schedule.cronas cronWHEREcron.id=at.cronANDat.active LOOP
893880
oo.cron=ii.id;
894881
oo.node=ii.node;
@@ -922,14 +909,9 @@ $BODY$
922909
DECLARE
923910
ii record;
924911
ooschedule.cron_job;
925-
is_superuserboolean;
926912
BEGIN
927913
IF usename<>session_user THEN
928-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
929-
INTO is_superuser;
930-
IF NOT is_superuser THEN
931-
RAISE EXCEPTION'access denied';
932-
END IF;
914+
SELECT onlySuperUser();
933915
END IF;
934916

935917
FOR iiINSELECT*FROMschedule.atas at,schedule.cronas cronWHEREcron.executor= usenameANDcron.id=at.cronANDat.active LOOP
@@ -983,15 +965,10 @@ $BODY$
983965
DECLARE
984966
ii record;
985967
ooschedule.cron_job;
986-
is_superuserboolean;
987968
sql_cmdtext;
988969
BEGIN
989970
IF usename<>session_user THEN
990-
EXECUTE'SELECT usesuper FROM pg_user WHERE usename = session_user'
991-
INTO is_superuser;
992-
IF NOT is_superuser THEN
993-
RAISE EXCEPTION'access denied';
994-
END IF;
971+
SELECT onlySuperUser();
995972
END IF;
996973

997974
IF usename='___all___' THEN

‎src/sched_manager_poll.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -210,7 +210,7 @@ pid_t registerManagerWorker(schd_manager_t *man)
210210
worker.bgw_flags=BGWORKER_SHMEM_ACCESS |
211211
BGWORKER_BACKEND_DATABASE_CONNECTION;
212212
worker.bgw_start_time=BgWorkerStart_ConsistentState;
213-
worker.bgw_restart_time=1;/*BGW_NEVER_RESTART; */
213+
worker.bgw_restart_time=BGW_NEVER_RESTART;
214214
worker.bgw_main=NULL;
215215
worker.bgw_main_arg=UInt32GetDatum(dsm_segment_handle(man->shared));
216216
sprintf(worker.bgw_library_name,"pgpro_scheduler");

‎src/scheduler_executor.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -213,7 +213,7 @@ int set_session_authorization(char *username, char **error)
213213
Datumvalues[1];
214214
boolis_superuser;
215215
intret;
216-
char*sql="selectusesysid, usesuper from pg_catalog.pg_user whereusename = $1";
216+
char*sql="selectoid, rolsuper from pg_catalog.pg_roles whererolname = $1";
217217
charbuff[1024];
218218

219219
values[0]=CStringGetTextDatum(username);

‎src/scheduler_manager.c

Lines changed: 9 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -69,24 +69,26 @@ int checkSchedulerNamespace(void)
6969
}
7070
elseif(count>1||count==0 )
7171
{
72-
elog(LOG,"Scheduler manager: %s: cannot check namespace:found %d namespaces",
73-
MyBgworkerEntry->bgw_name,count);
72+
elog(LOG,"Scheduler manager: %s: cannot check namespace:"
73+
"found %d namespaces",MyBgworkerEntry->bgw_name,count);
7474
}
7575
elseif(count==-2)
7676
{
77-
elog(LOG,"Scheduler manager: %s: cannot check namespace:count return null",
78-
MyBgworkerEntry->bgw_name);
77+
elog(LOG,"Scheduler manager: %s: cannot check namespace:"
78+
"count return null",MyBgworkerEntry->bgw_name);
7979
}
8080
elseif(count!=1)
8181
{
82-
elog(ERROR,"Scheduler manager: %s: cannot check namespace:unknown error %d",
83-
MyBgworkerEntry->bgw_name,count);
82+
elog(ERROR,"Scheduler manager: %s: cannot check namespace:"
83+
"unknown error %d",MyBgworkerEntry->bgw_name,count);
8484
}
8585

8686
SPI_finish();
8787
PopActiveSnapshot();
8888
CommitTransactionCommand();
89-
if(count)SetConfigOption("search_path","schedule",PGC_USERSET,PGC_S_SESSION);
89+
if(count) {
90+
SetConfigOption("search_path",schema,PGC_USERSET,PGC_S_SESSION);
91+
}
9092

9193
returncount;
9294
}

‎src/scheduler_spi_utils.c

Lines changed: 65 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,41 @@
1010
#include"catalog/pg_type.h"
1111
#include"memutils.h"
1212

13+
voidSTART_SNAP(void)
14+
{
15+
SetCurrentStatementStartTimestamp();
16+
StartTransactionCommand();
17+
PushActiveSnapshot(GetTransactionSnapshot());
18+
}
19+
20+
voidSTOP_SNAP(void)
21+
{
22+
PopActiveSnapshot();
23+
CommitTransactionCommand();
24+
}
25+
26+
voidSTART_SPI_SNAP(void)
27+
{
28+
SetCurrentStatementStartTimestamp();
29+
StartTransactionCommand();
30+
PushActiveSnapshot(GetTransactionSnapshot());
31+
SPI_connect();
32+
}
33+
34+
voidSTOP_SPI_SNAP(void)
35+
{
36+
SPI_finish();
37+
PopActiveSnapshot();
38+
CommitTransactionCommand();
39+
}
40+
41+
voidABORT_SPI_SNAP(void)
42+
{
43+
PopActiveSnapshot();
44+
AbortCurrentTransaction();
45+
SPI_finish();
46+
}
47+
1348
char*_copy_string(char*str)
1449
{
1550
intlen=strlen(str);
@@ -202,9 +237,12 @@ int execute_spi_sql_with_args(const char *sql, int n, Oid *argtypes, Datum *valu
202237
intret=-100;
203238
ErrorData*edata;
204239
MemoryContextold;
240+
interrorSet=0;
241+
charother[100];
205242

206243
*error=NULL;
207244

245+
208246
PG_TRY();
209247
{
210248
ret=SPI_execute_with_args(sql,n,argtypes,values,nulls, false,0);
@@ -226,17 +264,43 @@ int execute_spi_sql_with_args(const char *sql, int n, Oid *argtypes, Datum *valu
226264
{
227265
*error=_copy_string("unknown error");
228266
}
267+
errorSet=1;
229268
FreeErrorData(edata);
230269
MemoryContextSwitchTo(old);
231270
FlushErrorState();
232271
}
233272
PG_END_TRY();
234273

274+
if(!errorSet&&ret<0)
275+
{
276+
if(ret==SPI_ERROR_CONNECT)
277+
{
278+
*error=_copy_string("Connection error");
279+
}
280+
elseif(ret==SPI_ERROR_COPY)
281+
{
282+
*error=_copy_string("COPY error");
283+
}
284+
elseif(ret==SPI_ERROR_OPUNKNOWN)
285+
{
286+
*error=_copy_string("SPI_ERROR_OPUNKNOWN");
287+
}
288+
elseif(ret==SPI_ERROR_UNCONNECTED)
289+
{
290+
*error=_copy_string("Unconnected call");
291+
}
292+
else
293+
{
294+
sprintf(other,"error number: %d",ret);
295+
*error=_copy_string(other);
296+
}
297+
}
298+
235299
returnret;
236300
}
237301

238302
intexecute_spi(constchar*sql,char**error)
239-
{
303+
{
240304
returnexecute_spi_sql_with_args(sql,0,NULL,NULL,NULL,error);
241305
}
242306

‎src/scheduler_spi_utils.h

Lines changed: 5 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -9,30 +9,11 @@
99

1010
#defineselect_count_sql(SQL) select_oneintvalue_sql(SQL, 0);
1111

12-
#defineSTART_SNAP() \
13-
SetCurrentStatementStartTimestamp(); \
14-
StartTransactionCommand(); \
15-
PushActiveSnapshot(GetTransactionSnapshot());
16-
17-
#defineSTOP_SNAP() \
18-
PopActiveSnapshot(); \
19-
CommitTransactionCommand();
20-
21-
#defineSTART_SPI_SNAP() \
22-
SetCurrentStatementStartTimestamp(); \
23-
StartTransactionCommand(); \
24-
AssertState(SPI_connect() == SPI_OK_CONNECT); \
25-
PushActiveSnapshot(GetTransactionSnapshot());
26-
27-
#defineSTOP_SPI_SNAP() \
28-
SPI_finish(); \
29-
PopActiveSnapshot(); \
30-
CommitTransactionCommand();
31-
32-
#defineABORT_SPI_SNAP() \
33-
PopActiveSnapshot(); \
34-
AbortCurrentTransaction(); \
35-
SPI_finish();
12+
voidSTART_SNAP(void);
13+
voidSTOP_SNAP(void);
14+
voidSTART_SPI_SNAP(void);
15+
voidSTOP_SPI_SNAP(void);
16+
voidABORT_SPI_SNAP(void);
3617

3718
char*_copy_string(char*str);
3819
TimestampTzget_timestamp_from_spi(introw_n,intpos,TimestampTzdef);

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