diff options
Diffstat (limited to 'libpod/oci_conmon_exec_linux.go')
-rw-r--r-- | libpod/oci_conmon_exec_linux.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libpod/oci_conmon_exec_linux.go b/libpod/oci_conmon_exec_linux.go new file mode 100644 index 000000000..617e8d601 --- /dev/null +++ b/libpod/oci_conmon_exec_linux.go @@ -0,0 +1,39 @@ +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 +} |