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https://github.com/containers/podman.git
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6668ac93bb
This moves the code which sets the process capabilites for the exec to oci_conmon_exec_linux.go since this is a linux-specific feature. Adding a no-op stub for FreeBSD enables 'podman exec' when using the ocijail runtime. [NO NEW TESTS NEEDED] Signed-off-by: Doug Rabson <dfr@rabson.org>
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
package libpod
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import (
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"github.com/containers/common/pkg/capabilities"
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"github.com/opencontainers/runc/libcontainer/user"
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spec "github.com/opencontainers/runtime-spec/specs-go"
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)
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func (c *Container) setProcessCapabilitiesExec(options *ExecOptions, user string, execUser *user.ExecUser, pspec *spec.Process) error {
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ctrSpec, err := c.specFromState()
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if err != nil {
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return err
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}
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allCaps, err := capabilities.BoundingSet()
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if err != nil {
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return err
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}
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if options.Privileged {
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pspec.Capabilities.Bounding = allCaps
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} else {
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pspec.Capabilities.Bounding = ctrSpec.Process.Capabilities.Bounding
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}
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// Always unset the inheritable capabilities similarly to what the Linux kernel does
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// They are used only when using capabilities with uid != 0.
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pspec.Capabilities.Inheritable = []string{}
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if execUser.Uid == 0 {
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pspec.Capabilities.Effective = pspec.Capabilities.Bounding
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pspec.Capabilities.Permitted = pspec.Capabilities.Bounding
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} else if user == c.config.User {
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pspec.Capabilities.Effective = ctrSpec.Process.Capabilities.Effective
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pspec.Capabilities.Inheritable = ctrSpec.Process.Capabilities.Effective
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pspec.Capabilities.Permitted = ctrSpec.Process.Capabilities.Effective
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pspec.Capabilities.Ambient = ctrSpec.Process.Capabilities.Effective
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}
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return nil
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}
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