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Check supplied hostname before using it.

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Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
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Rohit Jnagal
2014-05-05 18:12:25 +00:00
parent 439e010c59
commit 2499d43325
1 changed files with 4 additions and 2 deletions
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nsinit/init.go
+4 -2
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@@ -65,8 +65,10 @@ func Init(container *libcontainer.Container, uncleanRootfs, consolePath string,
if err := mount.InitializeMountNamespace(rootfs, consolePath, container); err != nil {
return fmt.Errorf("setup mount namespace %s", err)
}
if err := system.Sethostname(container.Hostname); err != nil {
return fmt.Errorf("sethostname %s", err)
if container.Hostname != "" {
if err := system.Sethostname(container.Hostname); err != nil {
return fmt.Errorf("sethostname %s", err)
}
}
if err := FinalizeNamespace(container); err != nil {
return fmt.Errorf("finalize namespace %s", err)