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* string.c (rb_str_substr): should be infected with only original

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string, but not the shared string.  fixed: [ruby-core:09152]

* strnig.c (rb_str_new4): keep shared string untainted when orignal
  string is tainted.  fixed: [ruby-dev:29672]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@11201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2006-10-22 07:48:53 +00:00
parent 0c80ce785d
commit 1366131642
2 changed files with 15 additions and 4 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Sun Oct 22 16:47:56 2006 Nobuyoshi Nakada <nobu@ruby-lang.org>
* string.c (rb_str_substr): should be infected with only original
string, but not the shared string. fixed: [ruby-core:09152]
* strnig.c (rb_str_new4): keep shared string untainted when orignal
string is tainted. fixed: [ruby-dev:29672]
Sat Oct 21 17:50:40 2006 Akinori MUSHA <knu@iDaemons.org>
* ext/digest/lib/digest.rb: Follow the framework updates.

11
string.c
View file

@ -203,7 +203,6 @@ str_new3(VALUE klass, VALUE str)
RSTRING(str2)->as.heap.aux.shared = str;
FL_SET(str2, ELTS_SHARED);
}
OBJ_INFECT(str2, str);
return str2;
}
@ -211,7 +210,10 @@ str_new3(VALUE klass, VALUE str)
VALUE
rb_str_new3(VALUE str)
{
return str_new3(rb_obj_class(str), str);
VALUE str2 = str_new3(rb_obj_class(str), str);
OBJ_INFECT(str2, str);
return str2;
}
static VALUE
@ -246,7 +248,7 @@ rb_str_new4(VALUE orig)
&& klass == RBASIC(str)->klass) {
long ofs;
ofs = RSTRING_LEN(str) - RSTRING_LEN(orig);
if (ofs > 0) {
if ((ofs > 0) || (!OBJ_TAINTED(str) && OBJ_TAINTED(orig))) {
str = str_new3(klass, str);
RSTRING(str)->as.heap.ptr += ofs;
RSTRING(str)->as.heap.len -= ofs;
@ -635,7 +637,8 @@ rb_str_substr(VALUE str, long beg, long len)
}
else if (len > RSTRING_EMBED_LEN_MAX &&
beg + len == RSTRING_LEN(str) && !STR_ASSOC_P(str)) {
str2 = rb_str_new3(rb_str_new4(str));
str2 = rb_str_new4(str);
str2 = str_new3(rb_obj_class(str2), str2);
RSTRING(str2)->as.heap.ptr += RSTRING_LEN(str2) - len;
RSTRING(str2)->as.heap.len = len;
}