process.c: null byte at initgroups

* process.c (proc_initgroups): check null byte.  patched by
  tommy (Masahiro Tomita) in [ruby-dev:50287].  [Bug #13995]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60161 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-10-11 06:16:03 +00:00
parent 72c96011ea
commit 0c551b7a6d
2 changed files with 9 additions and 1 deletions

View File

@ -5948,7 +5948,7 @@ proc_setgroups(VALUE obj, VALUE ary)
static VALUE
proc_initgroups(VALUE obj, VALUE uname, VALUE base_grp)
{
if (initgroups(StringValuePtr(uname), OBJ2GID(base_grp)) != 0) {
if (initgroups(StringValueCStr(uname), OBJ2GID(base_grp)) != 0) {
rb_sys_fail(0);
}
return proc_getgroups(obj);

View File

@ -2339,4 +2339,12 @@ EOS
assert_equal pid, Timeout.timeout(30) { Process.wait(pid) }
end;
end
if Process.respond_to?(:initgroups)
def test_initgroups
assert_raise(ArgumentError) do
Process.initgroups("\0", 0)
end
end
end
end