From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu, 31 Dec 2020 04:47:56 +0000 (+0100)
Subject: plugins/radius: Add support for the Framed-MTU Radius attribute (#192)
X-Git-Tag: ppp-2.4.9~26
X-Git-Url: https://git.ozlabs.org/?a=commitdiff_plain;h=30705ecb56d5bdb1957e688dc78f76ed31cc7048;p=ppp.git

plugins/radius: Add support for the Framed-MTU Radius attribute (#192)

This allows radius plugin to deal with Framed-MTU Radius attribute and to
set MTU on interface.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>

Co-authored-by: Alexander Klepikov <klepikov_a@up.ua>
---

diff --git a/pppd/plugins/radius/radius.c b/pppd/plugins/radius/radius.c
index 5f75aae..c579831 100644
--- a/pppd/plugins/radius/radius.c
+++ b/pppd/plugins/radius/radius.c
@@ -651,6 +651,9 @@ radius_setparams(VALUE_PAIR *vp, char *msg, REQUEST_INFO *req_info,
 		    memcpy(rstate.class, vp->strvalue, rstate.class_len);
 		} /* else too big for our buffer - ignore it */
 		break;
+	    case PW_FRAMED_MTU:
+		netif_set_mtu(rstate.client_port,MIN(netif_get_mtu(rstate.client_port),vp->lvalue));
+		break;
 	    }