PostgreSQL Source Code  git master
test_rls_hooks.h File Reference
Include dependency graph for test_rls_hooks.h:
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions

Listtest_rls_hooks_permissive (CmdType cmdtype, Relation relation)
 
Listtest_rls_hooks_restrictive (CmdType cmdtype, Relation relation)
 

Function Documentation

◆ test_rls_hooks_permissive()

List* test_rls_hooks_permissive ( CmdType  cmdtype,
Relation  relation 
)

Definition at line 64 of file test_rls_hooks.c.

References AccessShareLock, ACL_ID_PUBLIC, addRangeTableEntryForRelation(), addRTEtoQuery(), AEXPR_OP, assign_expr_collations(), construct_array(), copyObject, EXPR_KIND_POLICY, ColumnRef::fields, RowSecurityPolicy::hassublinks, list_make1, list_make2, ColumnRef::location, make_parsestate(), makeFuncCall(), makeNode, makeSimpleA_Expr(), makeString(), NIL, ObjectIdGetDatum, palloc0(), RowSecurityPolicy::polcmd, RowSecurityPolicy::policy_name, pstrdup(), RowSecurityPolicy::qual, RelationGetRelationName, RowSecurityPolicy::roles, transformWhereClause(), and RowSecurityPolicy::with_check_qual.

Referenced by _PG_init().

65 {
66  List *policies = NIL;
67  RowSecurityPolicy *policy = palloc0(sizeof(RowSecurityPolicy));
68  Datum role;
69  FuncCall *n;
70  Node *e;
71  ColumnRef *c;
72  ParseState *qual_pstate;
73  RangeTblEntry *rte;
74 
75  if (strcmp(RelationGetRelationName(relation), "rls_test_permissive") != 0 &&
76  strcmp(RelationGetRelationName(relation), "rls_test_both") != 0)
77  return NIL;
78 
79  qual_pstate = make_parsestate(NULL);
80 
81  rte = addRangeTableEntryForRelation(qual_pstate, relation, AccessShareLock,
82  NULL, false, false);
83  addRTEtoQuery(qual_pstate, rte, false, true, true);
84 
86 
87  policy->policy_name = pstrdup("extension policy");
88  policy->polcmd = '*';
89  policy->roles = construct_array(&role, 1, OIDOID, sizeof(Oid), true, 'i');
90 
91  /*
92  * policy->qual = (Expr *) makeConst(BOOLOID, -1, InvalidOid,
93  * sizeof(bool), BoolGetDatum(true), false, true);
94  */
95 
96  n = makeFuncCall(list_make2(makeString("pg_catalog"),
97  makeString("current_user")), NIL, 0);
98 
99  c = makeNode(ColumnRef);
100  c->fields = list_make1(makeString("username"));
101  c->location = 0;
102 
103  e = (Node *) makeSimpleA_Expr(AEXPR_OP, "=", (Node *) n, (Node *) c, 0);
104 
105  policy->qual = (Expr *) transformWhereClause(qual_pstate, copyObject(e),
107  "POLICY");
108  /* Fix up collation information */
109  assign_expr_collations(qual_pstate, (Node *) policy->qual);
110 
111  policy->with_check_qual = copyObject(policy->qual);
112  policy->hassublinks = false;
113 
114  policies = list_make1(policy);
115 
116  return policies;
117 }
#define list_make2(x1, x2)
Definition: pg_list.h:229
Value * makeString(char *str)
Definition: value.c:53
#define NIL
Definition: pg_list.h:65
char * pstrdup(const char *in)
Definition: mcxt.c:1186
ArrayType * construct_array(Datum *elems, int nelems, Oid elmtype, int elmlen, bool elmbyval, char elmalign)
Definition: arrayfuncs.c:3291
#define AccessShareLock
Definition: lockdefs.h:36
Definition: nodes.h:525
unsigned int Oid
Definition: postgres_ext.h:31
A_Expr * makeSimpleA_Expr(A_Expr_Kind kind, char *name, Node *lexpr, Node *rexpr, int location)
Definition: makefuncs.c:48
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:43
int location
Definition: parsenodes.h:236
#define list_make1(x1)
Definition: pg_list.h:227
void assign_expr_collations(ParseState *pstate, Node *expr)
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
char * c
RangeTblEntry * addRangeTableEntryForRelation(ParseState *pstate, Relation rel, int lockmode, Alias *alias, bool inh, bool inFromCl)
Expr * with_check_qual
Definition: rowsecurity.h:27
#define RelationGetRelationName(relation)
Definition: rel.h:456
ArrayType * roles
Definition: rowsecurity.h:24
void addRTEtoQuery(ParseState *pstate, RangeTblEntry *rte, bool addToJoinList, bool addToRelNameSpace, bool addToVarNameSpace)
FuncCall * makeFuncCall(List *name, List *args, int location)
Definition: makefuncs.c:583
void * palloc0(Size size)
Definition: mcxt.c:980
uintptr_t Datum
Definition: postgres.h:367
#define makeNode(_type_)
Definition: nodes.h:573
Node * transformWhereClause(ParseState *pstate, Node *clause, ParseExprKind exprKind, const char *constructName)
e
Definition: preproc-init.c:82
#define ACL_ID_PUBLIC
Definition: acl.h:46
#define copyObject(obj)
Definition: nodes.h:641
Definition: pg_list.h:50
List * fields
Definition: parsenodes.h:235

◆ test_rls_hooks_restrictive()

List* test_rls_hooks_restrictive ( CmdType  cmdtype,
Relation  relation 
)

Definition at line 128 of file test_rls_hooks.c.

References AccessShareLock, ACL_ID_PUBLIC, addRangeTableEntryForRelation(), addRTEtoQuery(), AEXPR_OP, assign_expr_collations(), construct_array(), copyObject, EXPR_KIND_POLICY, ColumnRef::fields, RowSecurityPolicy::hassublinks, list_make1, list_make2, ColumnRef::location, make_parsestate(), makeFuncCall(), makeNode, makeSimpleA_Expr(), makeString(), NIL, ObjectIdGetDatum, palloc0(), RowSecurityPolicy::polcmd, RowSecurityPolicy::policy_name, pstrdup(), RowSecurityPolicy::qual, RelationGetRelationName, RowSecurityPolicy::roles, transformWhereClause(), and RowSecurityPolicy::with_check_qual.

Referenced by _PG_init().

129 {
130  List *policies = NIL;
131  RowSecurityPolicy *policy = palloc0(sizeof(RowSecurityPolicy));
132  Datum role;
133  FuncCall *n;
134  Node *e;
135  ColumnRef *c;
136  ParseState *qual_pstate;
137  RangeTblEntry *rte;
138 
139 
140  if (strcmp(RelationGetRelationName(relation), "rls_test_restrictive") != 0 &&
141  strcmp(RelationGetRelationName(relation), "rls_test_both") != 0)
142  return NIL;
143 
144  qual_pstate = make_parsestate(NULL);
145 
146  rte = addRangeTableEntryForRelation(qual_pstate, relation, AccessShareLock,
147  NULL, false, false);
148  addRTEtoQuery(qual_pstate, rte, false, true, true);
149 
151 
152  policy->policy_name = pstrdup("extension policy");
153  policy->polcmd = '*';
154  policy->roles = construct_array(&role, 1, OIDOID, sizeof(Oid), true, 'i');
155 
156  n = makeFuncCall(list_make2(makeString("pg_catalog"),
157  makeString("current_user")), NIL, 0);
158 
159  c = makeNode(ColumnRef);
160  c->fields = list_make1(makeString("supervisor"));
161  c->location = 0;
162 
163  e = (Node *) makeSimpleA_Expr(AEXPR_OP, "=", (Node *) n, (Node *) c, 0);
164 
165  policy->qual = (Expr *) transformWhereClause(qual_pstate, copyObject(e),
167  "POLICY");
168  /* Fix up collation information */
169  assign_expr_collations(qual_pstate, (Node *) policy->qual);
170 
171  policy->with_check_qual = copyObject(policy->qual);
172  policy->hassublinks = false;
173 
174  policies = list_make1(policy);
175 
176  return policies;
177 }
#define list_make2(x1, x2)
Definition: pg_list.h:229
Value * makeString(char *str)
Definition: value.c:53
#define NIL
Definition: pg_list.h:65
char * pstrdup(const char *in)
Definition: mcxt.c:1186
ArrayType * construct_array(Datum *elems, int nelems, Oid elmtype, int elmlen, bool elmbyval, char elmalign)
Definition: arrayfuncs.c:3291
#define AccessShareLock
Definition: lockdefs.h:36
Definition: nodes.h:525
unsigned int Oid
Definition: postgres_ext.h:31
A_Expr * makeSimpleA_Expr(A_Expr_Kind kind, char *name, Node *lexpr, Node *rexpr, int location)
Definition: makefuncs.c:48
ParseState * make_parsestate(ParseState *parentParseState)
Definition: parse_node.c:43
int location
Definition: parsenodes.h:236
#define list_make1(x1)
Definition: pg_list.h:227
void assign_expr_collations(ParseState *pstate, Node *expr)
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
char * c
RangeTblEntry * addRangeTableEntryForRelation(ParseState *pstate, Relation rel, int lockmode, Alias *alias, bool inh, bool inFromCl)
Expr * with_check_qual
Definition: rowsecurity.h:27
#define RelationGetRelationName(relation)
Definition: rel.h:456
ArrayType * roles
Definition: rowsecurity.h:24
void addRTEtoQuery(ParseState *pstate, RangeTblEntry *rte, bool addToJoinList, bool addToRelNameSpace, bool addToVarNameSpace)
FuncCall * makeFuncCall(List *name, List *args, int location)
Definition: makefuncs.c:583
void * palloc0(Size size)
Definition: mcxt.c:980
uintptr_t Datum
Definition: postgres.h:367
#define makeNode(_type_)
Definition: nodes.h:573
Node * transformWhereClause(ParseState *pstate, Node *clause, ParseExprKind exprKind, const char *constructName)
e
Definition: preproc-init.c:82
#define ACL_ID_PUBLIC
Definition: acl.h:46
#define copyObject(obj)
Definition: nodes.h:641
Definition: pg_list.h:50
List * fields
Definition: parsenodes.h:235