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At Wed, 23 Jun 2010 09:27:11 +0900,
Tomoyuki C. wrote in [ruby-dev:41677]:
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diff --git a/marshal.c b/marshal.c
index fa91afa…3263a57 100644
— a/marshal.c
+++ b/marshal.c
@@ -131,14 +131,16 @@ rb_marshal_define_compat(VALUE newclass, VALUE
oldclass, VALUE (*dumper)(VALUE),
st_insert(compat_allocator_tbl, (st_data_t)allocator,
(st_data_t)compat);
}
+#define MARSHAL_INFECTION (FL_TAINT|FL_UNTRUSTED)
+typedef char ruby_check_marshal_viral_flags[MARSHAL_INFECTION ==
(int)MARSHAL_INFECTION ? 1 : -1];
+
struct dump_arg {
VALUE str, dest;
st_table *symbols;
st_table *data;
- int taint;
- int untrust;
st_table *compat_tbl;
st_table *encodings;
struct dump_call_arg {
@@ -224,9 +226,8 @@ w_nbyte(const char *s, long n, struct dump_arg *arg)
{
VALUE buf = arg->str;
rb_str_buf_cat(buf, s, n);
- RBASIC(buf)->flags |= arg->infection;
if (arg->dest && RSTRING_LEN(buf) >= BUFSIZ) {
- if (arg->taint) OBJ_TAINT(buf);
- if (arg->untrust) OBJ_UNTRUST(buf);
rb_io_write(arg->dest, buf);
rb_str_resize(buf, 0);
}
@@ -636,8 +637,7 @@ w_object(VALUE obj, struct dump_arg *arg, int limit)
w_symbol(SYM2ID(obj), arg);
}
else {
- if (OBJ_TAINTED(obj)) arg->taint = TRUE;
- if (OBJ_UNTRUSTED(obj)) arg->untrust = TRUE;
-
arg->infection |= FL_TEST(obj, MARSHAL_INFECTION);
if (rb_respond_to(obj, s_mdump)) {
volatile VALUE v;
@@ -856,12 +856,6 @@ clear_dump_arg(struct dump_arg *arg)
st_free_table(arg->encodings);
arg->encodings = 0;
}
- if (arg->taint) {
- OBJ_TAINT(arg->str);
- }
- if (arg->untrust) {
- OBJ_UNTRUST(arg->str);
- }
}
/*
@@ -922,8 +916,7 @@ marshal_dump(int argc, VALUE *argv)
arg->dest = 0;
arg->symbols = st_init_numtable();
arg->data = st_init_numtable();
- arg->taint = FALSE;
- arg->untrust = FALSE;
- arg->infection = 0;
arg->compat_tbl = st_init_numtable();
arg->encodings = 0;
arg->str = rb_str_buf_new(0);
@@ -962,9 +955,8 @@ struct load_arg {
st_table *symbols;
st_table *data;
VALUE proc;
- int taint;
- int untrust;
st_table *compat_tbl;
static void
@@ -1118,8 +1110,7 @@ r_bytes0(long len, struct load_arg *arg)
if (NIL_P(str)) goto too_short;
StringValue(str);
if (RSTRING_LEN(str) != len) goto too_short;
- if (OBJ_TAINTED(str)) arg->taint = TRUE;
- if (OBJ_UNTRUSTED(str)) arg->untrust = TRUE;
- arg->infection |= FL_TEST(str, MARSHAL_INFECTION);
}
return str;
}
@@ -1220,15 +1211,10 @@ r_entry0(VALUE v, st_index_t num, struct
load_arg *arg)
else {
st_insert(arg->data, num, (st_data_t)v);
}
- if (arg->taint) {
-
OBJ_TAINT(v);
-
if ((VALUE)real_obj != Qundef)
-
OBJ_TAINT((VALUE)real_obj);
- }
- if (arg->untrust) {
-
OBJ_UNTRUST(v);
-
if ((VALUE)real_obj != Qundef)
-
OBJ_UNTRUST((VALUE)real_obj);
- int major, minor, taint = FALSE;
- int major, minor, infection = 0;
VALUE v;
volatile VALUE wrapper;
struct load_arg *arg;
@@ -1773,21 +1759,20 @@ marshal_load(int argc, VALUE *argv)
rb_scan_args(argc, argv, “11”, &port, &proc);
v = rb_check_string_type(port);
if (!NIL_P(v)) {
- taint = OBJ_TAINTED(port); /* original taintedness */
- infection = FL_TEST(port, MARSHAL_INFECTION); /* original taintedness
*/
port = v;
}
else if (rb_respond_to(port, s_getbyte) && rb_respond_to(port,
s_read)) {
if (rb_respond_to(port, s_binmode)) {
rb_funcall2(port, s_binmode, 0, 0);
}
- infection = FL_TAINT | FL_TEST(port, FL_UNTRUSTED);;
}
else {
rb_raise(rb_eTypeError, “instance of IO needed”);
}
wrapper = TypedData_Make_Struct(rb_cData, struct load_arg,
&load_arg_data, arg);
- arg->taint = taint;
- arg->untrust = OBJ_UNTRUSTED(port);
- arg->infection = infection;
arg->src = port;
arg->offset = 0;
arg->symbols = st_init_numtable();