From e0cca4344f70b9c9e23e3c6a7e17c8e93c765184 Mon Sep 17 00:00:00 2001
From: Dmitry Kozlov <xeb@mail.ru>
Date: Mon, 11 Jul 2016 09:47:04 +0300
Subject: implemented support for network namespace

This is done using radius attribute NAS-Port-Id. The new format of this attribute is NAS-Port-Id=[ns/][name].
Namespaces must be created malually by "ip netns add ..." command
---
 accel-pppd/ctrl/ipoe/ipoe.c   | 4 ++--
 accel-pppd/ctrl/l2tp/l2tp.c   | 3 ++-
 accel-pppd/ctrl/pppoe/pppoe.c | 9 +++++----
 accel-pppd/ctrl/pppoe/pppoe.h | 2 +-
 accel-pppd/ctrl/pptp/pptp.c   | 6 +++++-
 5 files changed, 15 insertions(+), 9 deletions(-)

(limited to 'accel-pppd/ctrl')

diff --git a/accel-pppd/ctrl/ipoe/ipoe.c b/accel-pppd/ctrl/ipoe/ipoe.c
index c7db14aa..84f8ad7c 100644
--- a/accel-pppd/ctrl/ipoe/ipoe.c
+++ b/accel-pppd/ctrl/ipoe/ipoe.c
@@ -203,7 +203,7 @@ static void ipoe_serv_timeout(struct triton_timer_t *t);
 
 static void ipoe_ctx_switch(struct triton_context_t *ctx, void *arg)
 {
-	net = &def_net;
+	net = def_net;
 	log_switch(ctx, arg);
 }
 
@@ -3263,7 +3263,7 @@ static void load_config(void)
 	if (!s)
 		return;
 
-	net = &def_net;
+	net = def_net;
 
 	opt = conf_get_opt("ipoe", "username");
 	if (opt) {
diff --git a/accel-pppd/ctrl/l2tp/l2tp.c b/accel-pppd/ctrl/l2tp/l2tp.c
index 76c679c7..5d9041fa 100644
--- a/accel-pppd/ctrl/l2tp/l2tp.c
+++ b/accel-pppd/ctrl/l2tp/l2tp.c
@@ -255,7 +255,8 @@ static inline int nsnr_cmp(uint16_t ns, uint16_t nr)
 
 static void l2tp_ctx_switch(struct triton_context_t *ctx, void *arg)
 {
-	net = &def_net;
+	struct ap_session *s  = arg;
+	net = s->net;
 	log_switch(ctx, arg);
 }
 
diff --git a/accel-pppd/ctrl/pppoe/pppoe.c b/accel-pppd/ctrl/pppoe/pppoe.c
index 242f7e07..4536040d 100644
--- a/accel-pppd/ctrl/pppoe/pppoe.c
+++ b/accel-pppd/ctrl/pppoe/pppoe.c
@@ -264,7 +264,7 @@ static int pppoe_rad_send_accounting_request(struct rad_plugin_t *rad, struct ra
 static void pppoe_conn_ctx_switch(struct triton_context_t *ctx, void *arg)
 {
 	struct pppoe_conn_t *conn = arg;
-	net = conn->serv->net;
+	net = conn->ppp.ses.net;
 	log_switch(ctx, &conn->ppp.ses);
 }
 
@@ -400,6 +400,7 @@ static struct pppoe_conn_t *allocate_channel(struct pppoe_serv_t *serv, const ui
 
 	ppp_init(&conn->ppp);
 
+	conn->ppp.ses.net = serv->net;
 	conn->ppp.ses.ctrl = &conn->ctrl;
 	conn->ppp.ses.chan_name = conn->ctrl.calling_station_id;
 
@@ -1266,7 +1267,7 @@ static void pppoe_serv_timeout(struct triton_timer_t *t)
 	pppoe_server_free(serv);
 }
 
-static int parse_server(const char *opt, int *padi_limit, const struct ap_net **net)
+static int parse_server(const char *opt, int *padi_limit, struct ap_net **net)
 {
 	char *ptr, *endptr;
 	char name[64];
@@ -1374,7 +1375,7 @@ static void __pppoe_server_start(const char *ifname, const char *opt, void *cli,
 	struct pppoe_serv_t *serv;
 	struct ifreq ifr;
 	int padi_limit = conf_padi_limit;
-	const struct ap_net *net = &def_net;
+	struct ap_net *net = def_net;
 
 	if (parse_server(opt, &padi_limit, &net)) {
 		if (cli)
@@ -1462,7 +1463,7 @@ static void __pppoe_server_start(const char *ifname, const char *opt, void *cli,
 		goto out_err;
 	}
 
-	if (parent_ifindex == -1 && net == &def_net)
+	if (parent_ifindex == -1 && net == def_net)
 		vid = iplink_vlan_get_vid(ifr.ifr_ifindex, &parent_ifindex);
 
 	serv->ctx.close = pppoe_serv_close;
diff --git a/accel-pppd/ctrl/pppoe/pppoe.h b/accel-pppd/ctrl/pppoe/pppoe.h
index aac169ed..75e0eed9 100644
--- a/accel-pppd/ctrl/pppoe/pppoe.h
+++ b/accel-pppd/ctrl/pppoe/pppoe.h
@@ -70,7 +70,7 @@ struct pppoe_serv_t
 	struct triton_context_t ctx;
 	struct rb_node node;
 
-	const struct ap_net *net;
+	struct ap_net *net;
 	int disc_sock;
 
 	uint8_t hwaddr[ETH_ALEN];
diff --git a/accel-pppd/ctrl/pptp/pptp.c b/accel-pppd/ctrl/pptp/pptp.c
index ec20586f..4aba5767 100644
--- a/accel-pppd/ctrl/pptp/pptp.c
+++ b/accel-pppd/ctrl/pptp/pptp.c
@@ -75,7 +75,11 @@ static void ppp_finished(struct ap_session *);
 
 static void pptp_ctx_switch(struct triton_context_t *ctx, void *arg)
 {
-	net = &def_net;
+	if (arg) {
+		struct ap_session *s = arg;
+		net = s->net;
+	} else
+		net = def_net;
 	log_switch(ctx, arg);
 }
 
-- 
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