mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-08 09:09:21 +02:00
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
|
/* -------------------------------------------------------------------------
|
||
|
*
|
||
|
* contrib/sepgsql/database.c
|
||
|
*
|
||
|
* Routines corresponding to database objects
|
||
|
*
|
||
|
* Copyright (c) 2010-2011, PostgreSQL Global Development Group
|
||
|
*
|
||
|
* -------------------------------------------------------------------------
|
||
|
*/
|
||
|
#include "postgres.h"
|
||
|
|
||
|
#include "catalog/dependency.h"
|
||
|
#include "catalog/pg_database.h"
|
||
|
#include "commands/seclabel.h"
|
||
|
#include "sepgsql.h"
|
||
|
|
||
|
void
|
||
|
sepgsql_database_post_create(Oid databaseId)
|
||
|
{
|
||
|
char *scontext = sepgsql_get_client_label();
|
||
|
char *tcontext;
|
||
|
char *ncontext;
|
||
|
ObjectAddress object;
|
||
|
|
||
|
/*
|
||
|
* Compute a default security label of the newly created database
|
||
|
* based on a pair of security label of client and source database.
|
||
|
*
|
||
|
* XXX - Right now, this logic uses "template1" as its source, because
|
||
|
* here is no way to know the Oid of source database.
|
||
|
*/
|
||
|
object.classId = DatabaseRelationId;
|
||
|
object.objectId = TemplateDbOid;
|
||
|
object.objectSubId = 0;
|
||
|
tcontext = GetSecurityLabel(&object, SEPGSQL_LABEL_TAG);
|
||
|
|
||
|
ncontext = sepgsql_compute_create(scontext, tcontext,
|
||
|
SEPG_CLASS_DB_DATABASE);
|
||
|
|
||
|
/*
|
||
|
* Assign the default security label on the new database
|
||
|
*/
|
||
|
object.classId = DatabaseRelationId;
|
||
|
object.objectId = databaseId;
|
||
|
object.objectSubId = 0;
|
||
|
|
||
|
SetSecurityLabel(&object, SEPGSQL_LABEL_TAG, ncontext);
|
||
|
|
||
|
pfree(ncontext);
|
||
|
pfree(tcontext);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* sepgsql_database_relabel
|
||
|
*
|
||
|
* It checks privileges to relabel the supplied database with the `seclabel'
|
||
|
*/
|
||
|
void
|
||
|
sepgsql_database_relabel(Oid databaseId, const char *seclabel)
|
||
|
{
|
||
|
ObjectAddress object;
|
||
|
char *audit_name;
|
||
|
|
||
|
object.classId = DatabaseRelationId;
|
||
|
object.objectId = databaseId;
|
||
|
object.objectSubId = 0;
|
||
|
audit_name = getObjectDescription(&object);
|
||
|
|
||
|
/*
|
||
|
* check db_database:{setattr relabelfrom} permission
|
||
|
*/
|
||
|
sepgsql_avc_check_perms(&object,
|
||
|
SEPG_CLASS_DB_DATABASE,
|
||
|
SEPG_DB_DATABASE__SETATTR |
|
||
|
SEPG_DB_DATABASE__RELABELFROM,
|
||
|
audit_name,
|
||
|
true);
|
||
|
/*
|
||
|
* check db_database:{relabelto} permission
|
||
|
*/
|
||
|
sepgsql_avc_check_perms_label(seclabel,
|
||
|
SEPG_CLASS_DB_DATABASE,
|
||
|
SEPG_DB_DATABASE__RELABELTO,
|
||
|
audit_name,
|
||
|
true);
|
||
|
pfree(audit_name);
|
||
|
}
|