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tailcfg: add CapabilityFileSharingTarget to identify FileTargets

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This adds the inverse to CapabilityFileSharingSend so that senders can
identify who they can Taildrop to.

Updates #2101

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali
2022-08-02 12:33:47 -07:00
committed by Maisem Ali
parent 9dfcdbf478
commit eb32847d85
5 changed files with 19 additions and 36 deletions
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3
ipn/ipnlocal/local.go
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@@ -24,6 +24,7 @@ import (
"time"
"go4.org/netipx"
"golang.org/x/exp/slices"
"tailscale.com/client/tailscale/apitype"
"tailscale.com/control/controlclient"
"tailscale.com/envknob"
@@ -3215,7 +3216,7 @@ func (b *LocalBackend) FileTargets() ([]*apitype.FileTarget, error) {
return nil, errors.New("file sharing not enabled by Tailscale admin")
}
for _, p := range nm.Peers {
if p.User != nm.User {
if p.User != nm.User || !slices.Contains(p.Capabilities, tailcfg.CapabilityFileSharingTarget) {
continue
}
peerAPI := peerAPIBase(b.netMap, p)