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wgengine/filter, wgengine/magicsock: use new IP.BitLen to simplify some code

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This commit is contained in:
Brad Fitzpatrick 2020-12-15 12:12:56 -08:00
parent afcf134812
commit fa412c8760
4 changed files with 15 additions and 28 deletions
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2
go.mod
View File

@ -39,6 +39,6 @@ require (
golang.org/x/tools v0.0.0-20201211185031-d93e913c1a58
golang.zx2c4.com/wireguard/windows v0.1.2-0.20201113162609-9b85be97fdf8
honnef.co/go/tools v0.1.0
inet.af/netaddr v0.0.0-20201123222344-3c8588dd0e81
inet.af/netaddr v0.0.0-20201215200150-7aef11fabe72
rsc.io/goversion v1.2.0
)

7
go.sum
View File

@ -97,12 +97,12 @@ github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJy
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
github.com/tailscale/depaware v0.0.0-20201003033024-5d95aab075be h1:ZKe3kVGbu/goUVxXcaCPbQ4b0STQ5NsCpG90CG6mw/c=
github.com/tailscale/depaware v0.0.0-20201003033024-5d95aab075be/go.mod h1:jissDaJNHiyV2tFdr3QyNEfsZrax/i2yQiSO+CljThI=
github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f h1:KMx58dbn2YCutzOvjNHgmvbwQH7nGE8H+J42Nenjl/M=
github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f/go.mod h1:WXq+IkSOJGIgfF1XW+4z4oW+LX/TXzU9DcKlT5EZLi4=
github.com/tailscale/depaware v0.0.0-20201210233412-71b54857b5d9 h1:IquU2Mhy4Q+xUYoRLHMiEamd80OShhYXhTNywEbQu3g=
github.com/tailscale/depaware v0.0.0-20201210233412-71b54857b5d9/go.mod h1:jissDaJNHiyV2tFdr3QyNEfsZrax/i2yQiSO+CljThI=
github.com/tailscale/depaware v0.0.0-20201214215404-77d1e9757027 h1:lK99QQdH3yBWY6aGilF+IRlQIdmhzLrsEmF6JgN+Ryw=
github.com/tailscale/depaware v0.0.0-20201214215404-77d1e9757027/go.mod h1:p9lPsd+cx33L3H9nNoecRRxPssFKUwwI50I3pZ0yT+8=
github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f h1:KMx58dbn2YCutzOvjNHgmvbwQH7nGE8H+J42Nenjl/M=
github.com/tailscale/wireguard-go v0.0.0-20201021041318-a6168fd06b3f/go.mod h1:WXq+IkSOJGIgfF1XW+4z4oW+LX/TXzU9DcKlT5EZLi4=
github.com/tailscale/wireguard-go v0.0.0-20201210001956-32a957fb6709 h1:cxiYxd+Kb+LuXBpv6rp2CpWGhhcVB5b07B6h+kA7LP4=
github.com/tailscale/wireguard-go v0.0.0-20201210001956-32a957fb6709/go.mod h1:9PbAnF5CAklkURoO0uQhm+YUjDmm9T9oCyTGlCHuTPQ=
github.com/tcnksm/go-httpstat v0.2.0 h1:rP7T5e5U2HfmOBmZzGgGZjBQ5/GluWUylujl0tJ04I0=
@ -142,6 +142,7 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20191007182048-72f939374954/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
@ -223,5 +224,7 @@ inet.af/netaddr v0.0.0-20200810144936-56928fe48a98 h1:bWyWDZP0l6VnQ1TDKf6yNwuiED
inet.af/netaddr v0.0.0-20200810144936-56928fe48a98/go.mod h1:qqYzz/2whtrbWJvt+DNWQyvekNN4ePQZcg2xc2/Yjww=
inet.af/netaddr v0.0.0-20201123222344-3c8588dd0e81 h1:cNn1RTwcpyBtspGkbBh6EnK/njkZvl+AutIKUgw/LRA=
inet.af/netaddr v0.0.0-20201123222344-3c8588dd0e81/go.mod h1:qqYzz/2whtrbWJvt+DNWQyvekNN4ePQZcg2xc2/Yjww=
inet.af/netaddr v0.0.0-20201215200150-7aef11fabe72 h1:Dy/A0IRb6xLAGaCTfWJgEM04sYqdgVS4VqT0gXaP+k8=
inet.af/netaddr v0.0.0-20201215200150-7aef11fabe72/go.mod h1:qqYzz/2whtrbWJvt+DNWQyvekNN4ePQZcg2xc2/Yjww=
rsc.io/goversion v1.2.0 h1:SPn+NLTiAG7w30IRK/DKp1BjvpWabYgxlLp/+kx5J8w=
rsc.io/goversion v1.2.0/go.mod h1:Eih9y/uIBS3ulggl7KNJ09xGSLcuNaLgmvvqa07sgfo=

25
wgengine/filter/tailcfg.go
View File

@ -115,27 +115,12 @@ func parseIPSet(arg string, bits *int) ([]netaddr.IPPrefix, error) {
if err != nil {
return nil, fmt.Errorf("invalid IP address %q", arg)
}
var bits8 uint8
if ip.Is4() {
bits8 = 32
if bits != nil {
if *bits < 0 || *bits > 32 {
return nil, fmt.Errorf("invalid CIDR size %d for IP %q", *bits, arg)
}
bits8 = uint8(*bits)
bits8 := ip.BitLen()
if bits != nil {
if *bits < 0 || *bits > int(bits8) {
return nil, fmt.Errorf("invalid CIDR size %d for IP %q", *bits, arg)
}
} else if ip.Is6() {
bits8 = 128
if bits != nil {
if *bits < 0 || *bits > 128 {
return nil, fmt.Errorf("invalid CIDR size %d for IP %q", *bits, arg)
}
bits8 = uint8(*bits)
}
}
if bits8 == 0 {
return nil, fmt.Errorf("unknown IP type %q", ip)
bits8 = uint8(*bits)
}
return []netaddr.IPPrefix{{IP: ip, Bits: bits8}}, nil
}

9
wgengine/magicsock/magicsock.go
View File

@ -3199,13 +3199,12 @@ func (c *Conn) UpdateStatus(sb *ipnstate.StatusBuilder) {
if c.netMap != nil {
for _, addr := range c.netMap.Addresses {
if (addr.IP.Is4() && addr.Mask != 32) || (addr.IP.Is6() && addr.Mask != 128) {
ip := netaddr.IPFrom16(addr.IP.Addr)
if addr.Mask != ip.BitLen() {
continue
}
if ip, ok := netaddr.FromStdIP(addr.IP.IP()); ok {
sb.AddTailscaleIP(ip)
ss.TailAddr = ip.String()
}
sb.AddTailscaleIP(ip)
ss.TailAddr = ip.String()
}
}
sb.SetSelfStatus(ss)