diff options
Diffstat (limited to 'scripts/package-build/linux-kernel/patches/accel-ppp')
| -rw-r--r-- | scripts/package-build/linux-kernel/patches/accel-ppp/0001-L2TP-Include-Calling-Number-to-Calling-Station-ID-RA.patch | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/scripts/package-build/linux-kernel/patches/accel-ppp/0001-L2TP-Include-Calling-Number-to-Calling-Station-ID-RA.patch b/scripts/package-build/linux-kernel/patches/accel-ppp/0001-L2TP-Include-Calling-Number-to-Calling-Station-ID-RA.patch new file mode 100644 index 00000000..0c3141a0 --- /dev/null +++ b/scripts/package-build/linux-kernel/patches/accel-ppp/0001-L2TP-Include-Calling-Number-to-Calling-Station-ID-RA.patch @@ -0,0 +1,183 @@ +From 12778d1e9296b6dbf190a80dcf407b24f9821f95 Mon Sep 17 00:00:00 2001 +From: zsdc <taras@vyos.io> +Date: Tue, 4 Apr 2023 11:15:26 +0300 +Subject: [PATCH] L2TP: Include Calling-Number to Calling-Station-ID RADIUS + attribute + +Patch authored by Alexander Serkin from +https://phabricator.accel-ppp.org/T59 +--- + accel-pppd/ctrl/l2tp/l2tp.c | 112 ++++++++++++++++++++++++++++++------ + 1 file changed, 93 insertions(+), 19 deletions(-) + +diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c +index 027d710..c541c60 100644 +--- a/accel-pppd/ctrl/l2tp/l2tp.c ++++ b/accel-pppd/ctrl/l2tp/l2tp.c +@@ -123,6 +123,11 @@ struct l2tp_sess_t + struct l2tp_conn_t *paren_conn; + uint16_t sid; + uint16_t peer_sid; ++/* We will keep l2tp attributes Calling-Number/Called-Number and their length while the session exists */ ++ char *calling_num; ++ int calling_num_len; ++ char *called_num; ++ int called_num_len; + + unsigned int ref_count; + int state1; +@@ -979,6 +984,10 @@ static void __session_destroy(struct l2tp_sess_t *sess) + _free(sess->ctrl.calling_station_id); + if (sess->ctrl.called_station_id) + _free(sess->ctrl.called_station_id); ++ if (sess->calling_num) ++ _free(sess->calling_num); ++ if (sess->called_num) ++ _free(sess->called_num); + + log_session(log_info2, sess, "session destroyed\n"); + +@@ -1771,25 +1780,52 @@ static int l2tp_session_start_data_channel(struct l2tp_sess_t *sess) + sess->ctrl.max_mtu = conf_ppp_max_mtu; + sess->ctrl.mppe = conf_mppe; + +- sess->ctrl.calling_station_id = _malloc(17); +- if (sess->ctrl.calling_station_id == NULL) { +- log_session(log_error, sess, +- "impossible to start data channel:" +- " allocation of calling station ID failed\n"); +- goto err; ++ /* If l2tp calling number avp exists, we use it, otherwise we use lac ip */ ++ if (sess->calling_num != NULL) { ++ sess->ctrl.calling_station_id = _malloc(sess->calling_num_len+1); ++ if (sess->ctrl.calling_station_id == NULL) { ++ log_session(log_error, sess, ++ "impossible to start data channel:" ++ " allocation of calling station ID failed\n"); ++ goto err; ++ }else { ++ strcpy(sess->ctrl.calling_station_id, sess->calling_num); ++ } ++ } else { ++ sess->ctrl.calling_station_id = _malloc(17); ++ if (sess->ctrl.calling_station_id == NULL) { ++ log_session(log_error, sess, ++ "impossible to start data channel:" ++ " allocation of calling station ID failed\n"); ++ goto err; ++ } else { ++ u_inet_ntoa(sess->paren_conn->peer_addr.sin_addr.s_addr, ++ sess->ctrl.calling_station_id); ++ } + } +- u_inet_ntoa(sess->paren_conn->peer_addr.sin_addr.s_addr, +- sess->ctrl.calling_station_id); +- +- sess->ctrl.called_station_id = _malloc(17); +- if (sess->ctrl.called_station_id == NULL) { +- log_session(log_error, sess, +- "impossible to start data channel:" +- " allocation of called station ID failed\n"); +- goto err; ++ /* If l2tp called number avp exists, we use it, otherwise we use my ip */ ++ if (sess->called_num != NULL) { ++ sess->ctrl.called_station_id = _malloc(sess->called_num_len+1); ++ if (sess->ctrl.called_station_id == NULL) { ++ log_session(log_error, sess, ++ "impossible to start data channel:" ++ " allocation of called station ID failed\n"); ++ goto err; ++ } else { ++ strcpy(sess->ctrl.called_station_id, sess->called_num); ++ } ++ } else { ++ sess->ctrl.called_station_id = _malloc(17); ++ if (sess->ctrl.called_station_id == NULL) { ++ log_session(log_error, sess, ++ "impossible to start data channel:" ++ " allocation of called station ID failed\n"); ++ goto err; ++ } else { ++ u_inet_ntoa(sess->paren_conn->host_addr.sin_addr.s_addr, ++ sess->ctrl.called_station_id); ++ } + } +- u_inet_ntoa(sess->paren_conn->host_addr.sin_addr.s_addr, +- sess->ctrl.called_station_id); + + if (conf_ip_pool) { + sess->ppp.ses.ipv4_pool_name = _strdup(conf_ip_pool); +@@ -3295,6 +3331,10 @@ static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn, + uint16_t sid = 0; + uint16_t res = 0; + uint16_t err = 0; ++ uint8_t *calling[254] = {0}; ++ uint8_t *called[254] = {0}; ++ int n = 0; ++ int m = 0; + + if (conn->state != STATE_ESTB && conn->lns_mode) { + log_tunnel(log_warn, conn, "discarding unexpected ICRQ\n"); +@@ -3332,7 +3372,17 @@ static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn, + case Call_Serial_Number: + case Bearer_Type: + case Calling_Number: ++ /* Save Calling-Number L2TP attribute locally */ ++ if (attr->attr->id == Calling_Number) { ++ n = attr->length; ++ memcpy(calling,attr->val.octets,n); ++ } + case Called_Number: ++ /* Save Called-Number L2TP attribute locally */ ++ if (attr->attr->id == Called_Number) { ++ m = attr->length; ++ memcpy(called,attr->val.octets,m); ++ } + case Sub_Address: + case Physical_Channel_ID: + break; +@@ -3371,6 +3421,30 @@ static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn, + sess->peer_sid = peer_sid; + sid = sess->sid; + ++ /* Allocate memory for Calling-Number if exists, and put it to l2tp_sess_t structure */ ++ if (calling != NULL && n > 0) { ++ sess->calling_num = _malloc(n+1); ++ if (sess->calling_num == NULL) { ++ log_tunnel(log_warn, conn, "can't allocate memory for Calling Number attribute. Will use LAC IP instead\n"); ++ }else{ ++ memcpy(sess->calling_num, calling, n); ++ sess->calling_num[n] = '\0'; ++ sess->calling_num_len = n; ++ } ++ } ++ ++ /* Allocate memory for Called-Number if exists, and put it to l2tp_sess_t structure */ ++ if (called != NULL && m > 1) { ++ sess->called_num = _malloc(m+1); ++ if (sess->called_num == NULL) { ++ log_tunnel(log_warn, conn, "can't allocate memory for Called Number attribute. Will use my IP instead\n"); ++ } else { ++ memcpy(sess->called_num, called, m); ++ sess->called_num[m] = '\0'; ++ sess->called_num_len = m; ++ } ++ } ++ + if (unknown_attr) { + log_tunnel(log_error, conn, "impossible to handle ICRQ:" + " unknown mandatory attribute type %i," +@@ -3390,8 +3464,8 @@ static int l2tp_recv_ICRQ(struct l2tp_conn_t *conn, + goto out_reject; + } + +- log_tunnel(log_info1, conn, "new session %hu-%hu created following" +- " reception of ICRQ\n", sid, peer_sid); ++ log_tunnel(log_info1, conn, "new session %hu-%hu with calling num %s len %d, called num %s len %d created following" ++ " reception of ICRQ\n", sid, peer_sid, sess->calling_num, sess->calling_num_len, sess->called_num, sess->called_num_len); + + return 0; + +-- +2.34.1 + |