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* struct.c (rb_struct_modify): should check frozen and taint

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2001-08-06 03:08:57 +00:00
parent f33a61c28d
commit 14cd947317
2 changed files with 18 additions and 2 deletions
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15
struct.c
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@ -124,6 +124,15 @@ static VALUE (*ref_func[10])() = {
rb_struct_ref9,
};
static void
rb_struct_modify(s)
VALUE s;
{
if (OBJ_FROZEN(s)) rb_error_frozen("Struct");
if (!OBJ_TAINTED(s) && rb_safe_level() >= 4)
rb_raise(rb_eSecurityError, "Insecure: can't modify Struct");
}
static VALUE
rb_struct_set(obj, val)
VALUE obj, val;
@ -135,6 +144,7 @@ rb_struct_set(obj, val)
if (NIL_P(member)) {
rb_bug("non-initialized struct");
}
rb_struct_modify(obj);
for (i=0; i<RARRAY(member)->len; i++) {
slot = RARRAY(member)->ptr[i];
if (rb_id_attrset(SYM2ID(slot)) == rb_frame_last_func()) {
@ -254,6 +264,7 @@ rb_struct_initialize(self, values)
VALUE size;
long n;
rb_struct_modify(self);
size = iv_get(klass, "__size__");
n = FIX2LONG(size);
if (n < RARRAY(values)->len) {
@ -474,7 +485,7 @@ rb_struct_aset_id(s, id, val)
rb_bug("non-initialized struct");
}
if (OBJ_FROZEN(s)) rb_error_frozen("Struct");
rb_struct_modify(s);
len = RARRAY(member)->len;
for (i=0; i<len; i++) {
if (SYM2ID(RARRAY(member)->ptr[i]) == id) {
@ -505,7 +516,7 @@ rb_struct_aset(s, idx, val)
rb_raise(rb_eIndexError, "offset %d too large for struct(size:%d)",
i, RSTRUCT(s)->len);
}
if (OBJ_FROZEN(s)) rb_error_frozen("Struct");
rb_struct_modify(s);
return RSTRUCT(s)->ptr[i] = val;
}