aboutsummaryrefslogtreecommitdiff
path: root/libpod/oci_conmon_exec_linux.go
diff options
context:
space:
mode:
Diffstat (limited to 'libpod/oci_conmon_exec_linux.go')
-rw-r--r--libpod/oci_conmon_exec_linux.go39
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
+}