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UAPI errors handling

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This commit is contained in:
Iurii Egorov
2024-02-01 14:17:37 +03:00
parent 9de9841236
commit cc4945292c
1 changed files with 28 additions and 13 deletions
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41
kmod-amneziawg/files/amnezia-sources.patch
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@@ -44,23 +44,23 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
pr_debug("%s: Interface created\n", dev->name);
return ret;
@@ -475,4 +480,79 @@
@@ -475,4 +480,92 @@
unregister_random_vmfork_notifier(&vm_notifier);
unregister_pm_notifier(&pm_notifier);
rcu_barrier();
+}
+
+void wg_device_handle_post_config(struct net_device *dev, struct amnezia_config *asc)
+int wg_device_handle_post_config(struct net_device *dev, struct amnezia_config *asc)
+{
+ struct wg_device *wg = netdev_priv(dev);
+ bool a_sec_on = false;
+ int ret = 0;
+
+ if (!asc->advanced_security_enabled)
+ return;
+ goto out;
+
+ if (asc->junk_packet_count < 0) {
+ // TODO error
+ }
+ if (asc->junk_packet_count < 0)
+ ret = -1;
+
+ wg->advanced_security_config.junk_packet_count = asc->junk_packet_count;
+ if (asc->junk_packet_count != 0)
@@ -77,9 +77,9 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
+ wg->advanced_security_config.junk_packet_min_size = 0;
+ wg->advanced_security_config.junk_packet_max_size = 1;
+
+ // TODO error
+ ret = -1;
+ } else if (asc->junk_packet_max_size < asc->junk_packet_min_size) {
+ // TODO error
+ ret = -1;
+ } else
+ wg->advanced_security_config.junk_packet_max_size = asc->junk_packet_max_size;
+
@@ -87,7 +87,7 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
+ a_sec_on = true;
+
+ if (asc->init_packet_junk_size + MESSAGE_INITIATION_SIZE >= MESSAGE_MAX_SIZE) {
+ // TODO error
+ ret = -1;
+ } else
+ wg->advanced_security_config.init_packet_junk_size = asc->init_packet_junk_size;
+
@@ -95,7 +95,7 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
+ a_sec_on = true;
+
+ if (asc->response_packet_junk_size + MESSAGE_RESPONSE_SIZE >= MESSAGE_MAX_SIZE) {
+ // TODO error
+ ret = -1;
+ } else
+ wg->advanced_security_config.response_packet_junk_size = asc->response_packet_junk_size;
+
@@ -122,7 +122,20 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
+ wg->advanced_security_config.transport_packet_magic_header = asc->transport_packet_magic_header;
+ }
+
+ if (asc->init_packet_magic_header == asc->response_packet_magic_header ||
+ asc->init_packet_magic_header == asc->cookie_packet_magic_header ||
+ asc->init_packet_magic_header == asc->transport_packet_magic_header ||
+ asc->response_packet_magic_header == asc->cookie_packet_magic_header ||
+ asc->response_packet_magic_header == asc->transport_packet_magic_header ||
+ asc->cookie_packet_magic_header == asc->transport_packet_magic_header)
+ ret = -1;
+
+ if (MESSAGE_INITIATION_SIZE + asc->init_packet_junk_size == MESSAGE_RESPONSE_SIZE + asc->response_packet_junk_size)
+ ret = -1;
+
+out:
+ wg->advanced_security_config.advanced_security_enabled = a_sec_on;
+ return ret;
}
diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kconfig -x Makefile -x dkms.conf ../../linux-source-6.2.0/drivers/net/wireguard/device.h ./device.h
--- ../../linux-source-6.2.0/drivers/net/wireguard/device.h 2023-11-10 18:10:29
@@ -159,7 +172,7 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
int wg_device_init(void);
void wg_device_uninit(void);
+void wg_device_handle_post_config(struct net_device *dev, struct amnezia_config *asc);
+int wg_device_handle_post_config(struct net_device *dev, struct amnezia_config *asc);
#endif /* _WG_DEVICE_H */
diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kconfig -x Makefile -x dkms.conf ../../linux-source-6.2.0/drivers/net/wireguard/main.c ./main.c
@@ -334,11 +347,13 @@ diff --color -urN -x uapi -x compat -x crypto -x .idea -x tests -x Kbuild -x Kco
if (flags & WGDEVICE_F_REPLACE_PEERS)
wg_peer_remove_all(wg);
@@ -597,10 +670,12 @@
@@ -597,10 +670,14 @@
ret = 0;
out:
+ wg_device_handle_post_config(wg->dev, asc);
+ if (!ret)
+ ret = wg_device_handle_post_config(wg->dev, asc);
+
mutex_unlock(&wg->device_update_lock);
rtnl_unlock();
dev_put(wg->dev);