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Complain if socket file already exists

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This commit is contained in:
Neil Alexander 2018-12-10 00:19:21 +00:00
parent f791df4977
commit 06c6dfc67f
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GPG Key ID: A02A2019A2BB0944
1 changed files with 5 additions and 2 deletions
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7
src/yggdrasil/admin.go
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@ -343,11 +343,14 @@ func (a *admin) listen() {
if err == nil {
switch strings.ToLower(u.Scheme) {
case "unix":
if _, err := os.Stat(a.listenaddr[7:]); err == nil {
a.core.log.Println("WARNING:", a.listenaddr[7:], "already exists and may be in use by another process")
}
a.listener, err = net.Listen("unix", a.listenaddr[7:])
if err == nil {
if err := os.Chmod(a.listenaddr[7:], 0660); err != nil {
a.core.log.Printf("WARNING:", a.listenaddr[:7], "may have unsafe permissions!")
}
a.core.log.Println("WARNING:", a.listenaddr[:7], "may have unsafe permissions!")
}
}
case "tcp":
a.listener, err = net.Listen("tcp", u.Host)