Add the following functions:

  rad_request_authenticator()
    Returns the Request-Authenticator relevant to the most recently received
    RADIUS response.

  rad_server_secret()
    Returns the Shared Secret relevant to the most recently received
    RADIUS response.

Neither of these functions should be necessary, however, the
MS-MPPE-Recv-Key and MS-MPPE-Send-Key Microsoft Vendor Specific
attributes are supplied in a mangled (encrypted) format, requiring
this information to demangle.

It's not clear whether these functions should be replaced with a
rad_demangle() function or whether these attributes are one-offs.

Sponsored by: Monzoon

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/libradius/radlib.c b/lib/libradius/radlib.c
index bc3679e..702b06f 100644
--- a/lib/libradius/radlib.c
+++ b/lib/libradius/radlib.c
@@ -928,3 +928,20 @@ rad_put_vendor_string(struct rad_handle *h, int vendor, int type,
 {
 	return (rad_put_vendor_attr(h, vendor, type, str, strlen(str)));
 }
+
+ssize_t
+rad_request_authenticator(struct rad_handle *h, char *buf, size_t len)
+{
+	if (len < LEN_AUTH)
+		return (-1);
+	memcpy(buf, h->request + POS_AUTH, LEN_AUTH);
+	if (len > LEN_AUTH)
+		buf[LEN_AUTH] = '\0';
+	return (LEN_AUTH);
+}
+
+const char *
+rad_server_secret(struct rad_handle *h)
+{
+	return (h->servers[h->srv].secret);
+}