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uidmap.go
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uidmap.go
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package run
import (
"fmt"
"os"
"github.com/containers/podman/v4/pkg/specgen"
"github.com/containers/storage/pkg/idtools"
"github.com/containers/storage/types"
"github.com/julioln/sandman/config"
)
func Uidmap(spec *specgen.SpecGenerator, containerConfig config.ContainerConfig) {
if containerConfig.Run.Uidmap {
idMaps := []idtools.IDMap{
{
ContainerID: os.Getuid(),
HostID: 0,
Size: 1,
},
{
ContainerID: 0,
HostID: 1,
Size: os.Getuid(),
},
{
ContainerID: os.Getuid() + 1,
HostID: os.Getuid() + 1,
Size: 65536 - os.Getuid(),
},
}
var idMappingOptions types.IDMappingOptions
idMappingOptions.HostUIDMapping = true
idMappingOptions.HostGIDMapping = true
idMappingOptions.UIDMap = append(idMappingOptions.UIDMap, idMaps...)
idMappingOptions.GIDMap = append(idMappingOptions.GIDMap, idMaps...)
spec.IDMappings = &idMappingOptions
spec.UserNS.NSMode = specgen.Private
spec.User = fmt.Sprint(os.Getuid())
}
}