Fix linux unprivileged tun usage

go.mod

@@ -16,7 +16,7 @@ require (
 	github.com/sagernet/sing v0.0.0-20220806092702-709cbebba71b
 	github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91
 	github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1
-	github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2
+	github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49
 	github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2
 	github.com/spf13/cobra v1.5.0
 	github.com/stretchr/testify v1.8.0

go.sum

@@ -155,8 +155,8 @@ github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91 h1:jxt2PYixIkK2i
 github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91/go.mod h1:T77zZdE2Cm6VqnFumrpwsq+kxYsbq+vWDhmjtdSl/oM=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1 h1:RYvOc69eSNMN0dwVugrDts41Nn7Ar/C/n/fvytvFcp4=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1/go.mod h1:NqZjiXszgVCMQ4gVDa2V+drhS8NMfGqUqDF86EacEFc=
-github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2 h1:mdYyKefLtjM/5P/poakkBXvqpVOeOOxjIq2eiH3qol8=
-github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2/go.mod h1:K1Hfxaa/1zsxZix3ats3k1TJftVwK0l4OoRnUjjhi0g=
+github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49 h1:UMUX/kJBKLX82nUEjIa9C6s8vgk9//t65gWeNjymNOs=
+github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49/go.mod h1:K1Hfxaa/1zsxZix3ats3k1TJftVwK0l4OoRnUjjhi0g=
 github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2 h1:C8sc2MYiNx0O7uQ0nieJWq5qYeIHj20XHFWPlcgoQeY=
 github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2/go.mod h1:bNXBqSWYaG3ePl6u0xQY5zneE+ZKa3683ZpuE8S1M1w=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=

test/go.mod

@@ -54,7 +54,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/sagernet/netlink v0.0.0-20220803045538-bdac49abf805 // indirect
 	github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91 // indirect
-	github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2 // indirect
+	github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49 // indirect
 	github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2 // indirect
 	github.com/sirupsen/logrus v1.8.1 // indirect
 	github.com/vishvananda/netns v0.0.0-20211101163701-50045581ed74 // indirect

test/go.sum

@@ -180,8 +180,8 @@ github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91 h1:jxt2PYixIkK2i
 github.com/sagernet/sing-dns v0.0.0-20220803121532-9e1ffb850d91/go.mod h1:T77zZdE2Cm6VqnFumrpwsq+kxYsbq+vWDhmjtdSl/oM=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1 h1:RYvOc69eSNMN0dwVugrDts41Nn7Ar/C/n/fvytvFcp4=
 github.com/sagernet/sing-shadowsocks v0.0.0-20220801112336-a91eacdd01e1/go.mod h1:NqZjiXszgVCMQ4gVDa2V+drhS8NMfGqUqDF86EacEFc=
-github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2 h1:mdYyKefLtjM/5P/poakkBXvqpVOeOOxjIq2eiH3qol8=
-github.com/sagernet/sing-tun v0.0.0-20220805085423-4a83493b40e2/go.mod h1:K1Hfxaa/1zsxZix3ats3k1TJftVwK0l4OoRnUjjhi0g=
+github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49 h1:UMUX/kJBKLX82nUEjIa9C6s8vgk9//t65gWeNjymNOs=
+github.com/sagernet/sing-tun v0.0.0-20220807031926-3edb69544e49/go.mod h1:K1Hfxaa/1zsxZix3ats3k1TJftVwK0l4OoRnUjjhi0g=
 github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2 h1:C8sc2MYiNx0O7uQ0nieJWq5qYeIHj20XHFWPlcgoQeY=
 github.com/sagernet/sing-vmess v0.0.0-20220804023624-e829b41c84c2/go.mod h1:bNXBqSWYaG3ePl6u0xQY5zneE+ZKa3683ZpuE8S1M1w=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=