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package libpod
import (
"github.com/containers/common/pkg/capabilities"
"github.com/opencontainers/runc/libcontainer/user"
spec "github.com/opencontainers/runtime-spec/specs-go"
)
func (c *Container) setProcessCapabilitiesExec(options *ExecOptions, user string, execUser *user.ExecUser, pspec *spec.Process) error {
ctrSpec, err := c.specFromState()
if err != nil {
return err
}
allCaps, err := capabilities.BoundingSet()
if err != nil {
return err
}
if options.Privileged {
pspec.Capabilities.Bounding = allCaps
} else {
pspec.Capabilities.Bounding = ctrSpec.Process.Capabilities.Bounding
}
// Always unset the inheritable capabilities similarly to what the Linux kernel does
// They are used only when using capabilities with uid != 0.
pspec.Capabilities.Inheritable = []string{}
if execUser.Uid == 0 {
pspec.Capabilities.Effective = pspec.Capabilities.Bounding
pspec.Capabilities.Permitted = pspec.Capabilities.Bounding
} else if user == c.config.User {
pspec.Capabilities.Effective = ctrSpec.Process.Capabilities.Effective
pspec.Capabilities.Inheritable = ctrSpec.Process.Capabilities.Effective
pspec.Capabilities.Permitted = ctrSpec.Process.Capabilities.Effective
pspec.Capabilities.Ambient = ctrSpec.Process.Capabilities.Effective
}
return nil
}
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