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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-05-28 06:44:43 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2015-05-28 06:44:43 +0000
commitd50260117f4743eaf87fbb553eee7c48d74bc6b2 (patch)
tree7cc8b23be4f9d9275b30e2c67453715fca40879f
parent0c58f69791240b86f709c1d49a66f47d93b2a299 (diff)
tkutil.c: check arguments type
* ext/tk/tkutil/tkutil.c (cbsubst_get_subst_key): check arguments type. implicit conversion is disabled to get rid of method calls which can modify other arguments. * ext/tk/tkutil/tkutil.c (cbsubst_table_setup): ditto. * ext/tk/tkutil/tkutil.c (cbsubst_scan_args): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50657 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ext/tk/tkutil/tkutil.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/ext/tk/tkutil/tkutil.c b/ext/tk/tkutil/tkutil.c
index 7aecc5c591..6035a2a613 100644
--- a/ext/tk/tkutil/tkutil.c
+++ b/ext/tk/tkutil/tkutil.c
@@ -1455,7 +1455,6 @@ cbsubst_get_subst_key(self, str)
struct cbsubst_info *inf;
volatile VALUE list;
volatile VALUE ret;
- VALUE keyval;
long i, len, keylen;
int idx;
char *buf, *ptr, *key;
@@ -1469,8 +1468,8 @@ cbsubst_get_subst_key(self, str)
ptr = buf = ALLOC_N(char, inf->full_subst_length + len + 1);
for(i = 0; i < len; i++) {
- keyval = RARRAY_PTR(list)[i];
- key = RSTRING_PTR(keyval);
+ VALUE keyval = RARRAY_CONST_PTR(list)[i];
+ const char *key = (Check_Type(keyval, T_STRING), StringValueCStr(keyval));
if (*key == '%') {
if (*(key + 2) == '\0') {
/* single char */
@@ -1568,6 +1567,9 @@ cbsubst_table_setup(argc, argv, self)
proc_inf = longkey_inf;
longkey_inf = rb_ary_new();
}
+ Check_Type(key_inf, T_ARRAY);
+ Check_Type(longkey_inf, T_ARRAY);
+ Check_Type(proc_inf, T_ARRAY);
/* check the number of longkeys */
if (RARRAY_LEN(longkey_inf) > 125 /* from 0x80 to 0xFD */) {
@@ -1670,9 +1672,9 @@ cbsubst_scan_args(self, arg_key, val_ary)
{
struct cbsubst_info *inf;
long idx;
- unsigned char *keyptr = (unsigned char*)RSTRING_PTR(arg_key);
+ unsigned char *keyptr = (unsigned char*)StringValueCStr(arg_key);
long keylen = RSTRING_LEN(arg_key);
- long vallen = RARRAY_LEN(val_ary);
+ long vallen = (Check_Type(val_ary, T_ARRAY), RARRAY_LEN(val_ary));
unsigned char type_chr;
volatile VALUE dst = rb_ary_new2(vallen);
volatile VALUE proc;