Check supplied hostname before using it.

Docker-DCO-1.1-Signed-off-by: Rohit Jnagal <jnagal@google.com> (github: rjnagal)
This commit is contained in:
Rohit Jnagal 2014-05-05 18:12:25 +00:00
parent 439e010c59
commit 2499d43325
1 changed files with 4 additions and 2 deletions

View File

@ -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)