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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-30 08:35:23 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2017-09-30 08:35:23 (GMT)
commit1852b4a8660ee8e71997f81cee4903c6eb23f306 (patch)
tree651e33765db8a4d18ab102ea1ef38fc6f5deafc2 /ext/syslog
parentd00c9d7e0609f6d9b6141e1dde6fa9321de70b85 (diff)
ext: check if null byte is contained
[ruby-dev:50267] [Bug #13953] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/syslog')
-rw-r--r--ext/syslog/syslog.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/syslog/syslog.c b/ext/syslog/syslog.c
index 5351b28..317607e 100644
--- a/ext/syslog/syslog.c
+++ b/ext/syslog/syslog.c
@@ -150,6 +150,7 @@ static VALUE mSyslog_close(VALUE self)
static VALUE mSyslog_open(int argc, VALUE *argv, VALUE self)
{
VALUE ident, opt, fac;
+ const char *ident_ptr;
if (syslog_opened) {
rb_raise(rb_eRuntimeError, "syslog already open");
@@ -160,8 +161,9 @@ static VALUE mSyslog_open(int argc, VALUE *argv, VALUE self)
if (NIL_P(ident)) {
ident = rb_gv_get("$0");
}
- SafeStringValue(ident);
- syslog_ident = strdup(RSTRING_PTR(ident));
+ ident_ptr = StringValueCStr(ident);
+ rb_check_safe_obj(ident);
+ syslog_ident = strdup(ident_ptr);
if (NIL_P(opt)) {
syslog_options = LOG_PID | LOG_CONS;