diff options
Diffstat (limited to 'pkg/spec/spec.go')
-rw-r--r-- | pkg/spec/spec.go | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/pkg/spec/spec.go b/pkg/spec/spec.go index b2a152a2d..a4ae22efd 100644 --- a/pkg/spec/spec.go +++ b/pkg/spec/spec.go @@ -16,9 +16,9 @@ import ( "github.com/pkg/errors" ) -const cpuPeriod = 100000 +const CpuPeriod = 100000 -func getAvailableGids() (int64, error) { +func GetAvailableGids() (int64, error) { idMap, err := user.ParseIDMapFile("/proc/self/gid_map") if err != nil { return 0, err @@ -80,7 +80,7 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM } gid5Available := true if isRootless { - nGids, err := getAvailableGids() + nGids, err := GetAvailableGids() if err != nil { return nil, err } @@ -197,8 +197,8 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM addedResources = true } if config.Resources.CPUs != 0 { - g.SetLinuxResourcesCPUPeriod(cpuPeriod) - g.SetLinuxResourcesCPUQuota(int64(config.Resources.CPUs * cpuPeriod)) + g.SetLinuxResourcesCPUPeriod(CpuPeriod) + g.SetLinuxResourcesCPUQuota(int64(config.Resources.CPUs * CpuPeriod)) addedResources = true } if config.Resources.CPURtRuntime != 0 { @@ -223,12 +223,12 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM // If privileged, we need to add all the host devices to the // spec. We do not add the user provided ones because we are // already adding them all. - if err := config.AddPrivilegedDevices(&g); err != nil { + if err := AddPrivilegedDevices(&g); err != nil { return nil, err } } else { for _, devicePath := range config.Devices { - if err := devicesFromPath(&g, devicePath); err != nil { + if err := DevicesFromPath(&g, devicePath); err != nil { return nil, err } } @@ -241,23 +241,35 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM } // SECURITY OPTS + var runtimeConfig *libpodconfig.Config + + if runtime != nil { + runtimeConfig, err = runtime.GetConfig() + if err != nil { + return nil, err + } + } + g.SetProcessNoNewPrivileges(config.Security.NoNewPrivs) if !config.Security.Privileged { g.SetProcessApparmorProfile(config.Security.ApparmorProfile) } - blockAccessToKernelFilesystems(config, &g) - - var runtimeConfig *libpodconfig.Config - - if runtime != nil { - runtimeConfig, err = runtime.GetConfig() - if err != nil { + // Unless already set via the CLI, check if we need to disable process + // labels or set the defaults. + if len(config.Security.LabelOpts) == 0 && runtimeConfig != nil { + if !runtimeConfig.EnableLabeling { + // Disabled in the config. + config.Security.LabelOpts = append(config.Security.LabelOpts, "disable") + } else if err := config.Security.SetLabelOpts(runtime, &config.Pid, &config.Ipc); err != nil { + // Defaults! return nil, err } } + BlockAccessToKernelFilesystems(config.Security.Privileged, config.Pid.PidMode.IsHost(), &g) + // RESOURCES - PIDS if config.Resources.PidsLimit > 0 { // if running on rootless on a cgroupv1 machine or using the cgroupfs manager, pids @@ -320,9 +332,9 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM } // BIND MOUNTS - configSpec.Mounts = supercedeUserMounts(userMounts, configSpec.Mounts) + configSpec.Mounts = SupercedeUserMounts(userMounts, configSpec.Mounts) // Process mounts to ensure correct options - finalMounts, err := initFSMounts(configSpec.Mounts) + finalMounts, err := InitFSMounts(configSpec.Mounts) if err != nil { return nil, err } @@ -404,8 +416,8 @@ func (config *CreateConfig) createConfigToOCISpec(runtime *libpod.Runtime, userM return configSpec, nil } -func blockAccessToKernelFilesystems(config *CreateConfig, g *generate.Generator) { - if !config.Security.Privileged { +func BlockAccessToKernelFilesystems(privileged, pidModeIsHost bool, g *generate.Generator) { + if !privileged { for _, mp := range []string{ "/proc/acpi", "/proc/kcore", @@ -421,7 +433,7 @@ func blockAccessToKernelFilesystems(config *CreateConfig, g *generate.Generator) g.AddLinuxMaskedPaths(mp) } - if config.Pid.PidMode.IsHost() && rootless.IsRootless() { + if pidModeIsHost && rootless.IsRootless() { return } |