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Add a function to get the authenticated user ID.

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Previously, this was not exposed outside of miscinit.c.  It is needed
for the pending pg_background patch, and will also be needed for
parallelism.  Without it, there's no way for a background worker to
re-create the exact authentication environment that was present in the
process that started it, which could lead to security exposures.
This commit is contained in:
Robert Haas 2014-10-23 08:18:45 -04:00
parent c7371c4a60
commit 5ac372fc1a
2 changed files with 11 additions and 0 deletions
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10
src/backend/utils/init/miscinit.c
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@ -222,6 +222,16 @@ SetSessionUserId(Oid userid, bool is_superuser)
CurrentUserId = userid; CurrentUserId = userid;
} }
/*
* GetAuthenticatedUserId - get the authenticated user ID
*/
Oid
GetAuthenticatedUserId(void)
{
AssertState(OidIsValid(AuthenticatedUserId));
return AuthenticatedUserId;
}
/* /*
* GetUserIdAndSecContext/SetUserIdAndSecContext - get/set the current user ID * GetUserIdAndSecContext/SetUserIdAndSecContext - get/set the current user ID

1
src/include/miscadmin.h
View File

@ -283,6 +283,7 @@ extern char *GetUserNameFromId(Oid roleid);
extern Oid GetUserId(void); extern Oid GetUserId(void);
extern Oid GetOuterUserId(void); extern Oid GetOuterUserId(void);
extern Oid GetSessionUserId(void); extern Oid GetSessionUserId(void);
extern Oid GetAuthenticatedUserId(void);
extern void GetUserIdAndSecContext(Oid *userid, int *sec_context); extern void GetUserIdAndSecContext(Oid *userid, int *sec_context);
extern void SetUserIdAndSecContext(Oid userid, int sec_context); extern void SetUserIdAndSecContext(Oid userid, int sec_context);
extern bool InLocalUserIdChange(void); extern bool InLocalUserIdChange(void);