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| author | Daniel J Walsh <dwalsh@redhat.com> | 2020-08-17 06:28:45 -0400 |
|---|---|---|
| committer | Daniel J Walsh <dwalsh@redhat.com> | 2020-08-21 10:56:29 -0400 |
| commit | 3848cac86052369c35a76f86a1f8e5471dfdf9e2 (patch) | |
| tree | ce349740b66871a766c7a98bc40333b32897baae /pkg/specgen | |
| parent | 516196f09677819b72d03e068fb8094b28e273aa (diff) | |
| download | podman-3848cac86052369c35a76f86a1f8e5471dfdf9e2.tar.gz podman-3848cac86052369c35a76f86a1f8e5471dfdf9e2.tar.bz2 podman-3848cac86052369c35a76f86a1f8e5471dfdf9e2.zip | |
In podman 1.* regression on --cap-add
In podman 1.0 if you executed a command like:
podman run --user dwalsh --cap-add net_bind_service alpine nc -l 80
It would work, and the user dwalsh would get the capability, in
podman 2.0, only root and the binding set gets the capability.
This change restores us back to the way podman 1.0 worked.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'pkg/specgen')
| -rw-r--r-- | pkg/specgen/generate/security.go | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/pkg/specgen/generate/security.go b/pkg/specgen/generate/security.go index 5e4cc3399..d3e3d9278 100644 --- a/pkg/specgen/generate/security.go +++ b/pkg/specgen/generate/security.go @@ -112,7 +112,7 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator, // Pass capRequiredRequested in CapAdd field to normalize capabilities names capsRequired, err := capabilities.MergeCapabilities(nil, capsRequiredRequested, nil) if err != nil { - logrus.Errorf("capabilities requested by user or image are not valid: %q", strings.Join(capsRequired, ",")) + return errors.Wrapf(err, "capabilities requested by user or image are not valid: %q", strings.Join(capsRequired, ",")) } else { // Verify all capRequiered are in the capList for _, cap := range capsRequired { @@ -129,12 +129,6 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator, } } - g.SetProcessNoNewPrivileges(s.NoNewPrivileges) - - if err := setupApparmor(s, rtc, g); err != nil { - return err - } - configSpec := g.Config configSpec.Process.Capabilities.Bounding = caplist @@ -142,13 +136,21 @@ func securityConfigureGenerator(s *specgen.SpecGenerator, g *generate.Generator, configSpec.Process.Capabilities.Effective = caplist configSpec.Process.Capabilities.Permitted = caplist configSpec.Process.Capabilities.Inheritable = caplist - configSpec.Process.Capabilities.Ambient = caplist } else { - configSpec.Process.Capabilities.Effective = []string{} - configSpec.Process.Capabilities.Permitted = []string{} - configSpec.Process.Capabilities.Inheritable = []string{} - configSpec.Process.Capabilities.Ambient = []string{} + userCaps, err := capabilities.NormalizeCapabilities(s.CapAdd) + if err != nil { + return errors.Wrapf(err, "capabilities requested by user are not valid: %q", strings.Join(s.CapAdd, ",")) + } + configSpec.Process.Capabilities.Effective = userCaps + configSpec.Process.Capabilities.Permitted = userCaps } + + g.SetProcessNoNewPrivileges(s.NoNewPrivileges) + + if err := setupApparmor(s, rtc, g); err != nil { + return err + } + // HANDLE SECCOMP if s.SeccompProfilePath != "unconfined" { seccompConfig, err := getSeccompConfig(s, configSpec, newImage) |