greenplumn auth 源码
greenplumn auth 代码
文件路径：/src/include/libpq/auth.h
/*-------------------------------------------------------------------------
*
* auth.h
* Definitions for network authentication routines
*
*
* Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/auth.h
*
*-------------------------------------------------------------------------
*/
#ifndef AUTH_H
#define AUTH_H
#include "libpq/libpq-be.h"
#include "utils/date.h"
extern char *pg_krb_server_keyfile;
extern bool pg_krb_caseins_users;
extern char *pg_krb_realm;
extern void ClientAuthentication(Port *port);
extern void FakeClientAuthentication(Port *port); /* GPDB only */
/* Hook for plugins to get control in ClientAuthentication() */
typedef void (*ClientAuthentication_hook_type) (Port *, int);
extern PGDLLIMPORT ClientAuthentication_hook_type ClientAuthentication_hook;
/*
* Support for time-based authentication
*
* Used by auth.c for comparing current time to the contents of
* pg_auth_time_constraint for acl enforcement
* Used by user.c for comparing incoming changes to the contents of
* pg_auth_time_constraint for acl modification
*/
typedef struct authPoint
{
int16 day;
TimeADT time;
} authPoint;
typedef struct authInterval
{
authPoint start;
authPoint end;
} authInterval;
extern void timestamptz_to_point(TimestampTz in, authPoint *out);
extern int point_cmp(const authPoint *a, const authPoint *b);
extern bool interval_overlap(const authInterval *a, const authInterval *b);
extern bool interval_contains(const authInterval *interval, const authPoint *point);
extern int CheckAuthTimeConstraints(char *rolname);
extern int check_auth_time_constraints_internal(char *rolname, TimestampTz timestamp);
#endif /* AUTH_H */
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