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| author | Giuseppe Scrivano <gscrivan@redhat.com> | 2021-04-22 14:57:49 +0200 |
|---|---|---|
| committer | Giuseppe Scrivano <gscrivan@redhat.com> | 2021-04-26 08:58:55 +0200 |
| commit | 722ea2f1f82ff16271b50b508d709e5da275e32a (patch) | |
| tree | 31c519d969bfe6ce6f16d5fceacd54025de78b39 /pkg | |
| parent | e4c269e2d01dee6497269e62119126b93e388da3 (diff) | |
| download | podman-722ea2f1f82ff16271b50b508d709e5da275e32a.tar.gz podman-722ea2f1f82ff16271b50b508d709e5da275e32a.tar.bz2 podman-722ea2f1f82ff16271b50b508d709e5da275e32a.zip | |
runtime: create userns when CAP_SYS_ADMIN is not present
when deciding to create a user namespace, check for CAP_SYS_ADMIN
instead of looking at the euid.
[NO TESTS NEEDED] Needs nested Podman
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/domain/infra/abi/system.go | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/pkg/domain/infra/abi/system.go b/pkg/domain/infra/abi/system.go index 6319c1ab1..9bba0fa6c 100644 --- a/pkg/domain/infra/abi/system.go +++ b/pkg/domain/infra/abi/system.go @@ -21,6 +21,7 @@ import ( "github.com/containers/podman/v3/pkg/util" "github.com/containers/podman/v3/utils" "github.com/containers/storage" + "github.com/containers/storage/pkg/unshare" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" @@ -58,7 +59,11 @@ func (ic *ContainerEngine) Info(ctx context.Context) (*define.Info, error) { func (ic *ContainerEngine) SetupRootless(_ context.Context, cmd *cobra.Command) error { // do it only after podman has already re-execed and running with uid==0. - if os.Geteuid() == 0 { + hasCapSysAdmin, err := unshare.HasCapSysAdmin() + if err != nil { + return err + } + if hasCapSysAdmin { ownsCgroup, err := cgroups.UserOwnsCurrentSystemdCgroup() if err != nil { logrus.Infof("Failed to detect the owner for the current cgroup: %v", err) |