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merges r21917, r21955 and r21974 from trunk into ruby_1_9_1.

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* load.c (rb_require_safe): raises when the path to be loaded is
  tainted.  [ruby-dev:37843]
---
* file.c (rb_find_file_ext): should not be infected from other
  load paths.
---
* adds a test case for r21955 and r21917.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@22500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2009-02-22 04:30:22 +00:00
parent cb2f0c9d14
commit abc40f03ef
4 changed files with 62 additions and 1 deletions
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6
load.c
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@ -554,13 +554,17 @@ rb_require_safe(VALUE fname, int safe)
rb_set_safe_level_force(safe);
FilePathValue(fname);
RB_GC_GUARD(fname) = rb_str_new4(fname);
rb_set_safe_level_force(0);
found = search_required(fname, &path);
if (found) {
if (!path || !(ftptr = load_lock(RSTRING_PTR(path)))) {
result = Qfalse;
}
else {
rb_set_safe_level_force(0);
if (safe > 0 && OBJ_TAINTED(path)) {
rb_raise(rb_eSecurityError, "cannot load from insecure path - %s",
RSTRING_PTR(path));
}
switch (found) {
case 'r':
rb_load(path, 0);