From 7f7ea8967e3b02234811a4b9bb893fc21544319c Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Thu, 31 Dec 2020 05:33:45 +0100 Subject: [PATCH] pppd: Add option to strip MS domain name (#188) Some Windows 9x/ME clients might be erroneously transmitting the MS domain along the login name. This allows to strip them on the server side. Signed-off-by: Samuel Thibault Co-authored-by: Marco d'Itri --- pppd/chap-new.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/pppd/chap-new.c b/pppd/chap-new.c index 0b1bb86..fab8280 100644 --- a/pppd/chap-new.c +++ b/pppd/chap-new.c @@ -59,6 +59,7 @@ int chap_server_timeout_time = 3; int chap_max_transmits = 10; int chap_rechallenge_time = 0; int chap_client_timeout_time = 60; +int chapms_strip_domain = 0; /* * Command-line options. @@ -72,6 +73,8 @@ static option_t chap_option_list[] = { "Set interval for rechallenge", OPT_PRIO }, { "chap-timeout", o_int, &chap_client_timeout_time, "Set timeout for CHAP (as client)", OPT_PRIO }, + { "chapms-strip-domain", o_bool, &chapms_strip_domain, + "Strip the domain prefix before the Username", 1 }, { NULL } }; @@ -355,6 +358,14 @@ chap_handle_response(struct chap_server_state *ss, int id, /* Null terminate and clean remote name. */ slprintf(rname, sizeof(rname), "%.*v", len, name); name = rname; + + /* strip the MS domain name */ + if (chapms_strip_domain && strrchr(rname, '\\')) { + char tmp[MAXNAMELEN+1]; + + strcpy(tmp, strrchr(rname, '\\') + 1); + strcpy(rname, tmp); + } } if (chap_verify_hook) -- 2.39.2