diff options
Diffstat (limited to 'pkg/apparmor')
-rw-r--r-- | pkg/apparmor/apparmor.go | 42 | ||||
-rw-r--r-- | pkg/apparmor/apparmor_linux.go | 3 | ||||
-rw-r--r-- | pkg/apparmor/apparmor_linux_template.go | 43 |
3 files changed, 46 insertions, 42 deletions
diff --git a/pkg/apparmor/apparmor.go b/pkg/apparmor/apparmor.go index 1c205f68a..8b9f99477 100644 --- a/pkg/apparmor/apparmor.go +++ b/pkg/apparmor/apparmor.go @@ -5,50 +5,8 @@ import ( ) var ( - // profileDirectory is the file store for apparmor profiles and macros. - profileDirectory = "/etc/apparmor.d" // DefaultLibpodProfile is the name of default libpod AppArmor profile. DefaultLibpodProfile = "libpod-default" // ErrApparmorUnsupported indicates that AppArmor support is not supported. ErrApparmorUnsupported = errors.New("AppArmor is not supported") ) - -const libpodProfileTemplate = ` -{{range $value := .Imports}} -{{$value}} -{{end}} - -profile {{.Name}} flags=(attach_disconnected,mediate_deleted) { -{{range $value := .InnerImports}} - {{$value}} -{{end}} - - network, - capability, - file, - umount, - - deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir) - # deny write to files not in /proc/<number>/** or /proc/sys/** - deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w, - deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel) - deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/ - deny @{PROC}/sysrq-trigger rwklx, - deny @{PROC}/kcore rwklx, - - deny mount, - - deny /sys/[^f]*/** wklx, - deny /sys/f[^s]*/** wklx, - deny /sys/fs/[^c]*/** wklx, - deny /sys/fs/c[^g]*/** wklx, - deny /sys/fs/cg[^r]*/** wklx, - deny /sys/firmware/** rwklx, - deny /sys/kernel/security/** rwklx, - -{{if ge .Version 208095}} - # suppress ptrace denials when using using 'ps' inside a container - ptrace (trace,read) peer={{.Name}}, -{{end}} -} -` diff --git a/pkg/apparmor/apparmor_linux.go b/pkg/apparmor/apparmor_linux.go index 4cc95a107..1d2ac36a6 100644 --- a/pkg/apparmor/apparmor_linux.go +++ b/pkg/apparmor/apparmor_linux.go @@ -17,6 +17,9 @@ import ( runcaa "github.com/opencontainers/runc/libcontainer/apparmor" ) +// profileDirectory is the file store for apparmor profiles and macros. +var profileDirectory = "/etc/apparmor.d" + // IsEnabled returns true if AppArmor is enabled on the host. func IsEnabled() bool { return runcaa.IsEnabled() diff --git a/pkg/apparmor/apparmor_linux_template.go b/pkg/apparmor/apparmor_linux_template.go new file mode 100644 index 000000000..163ba3792 --- /dev/null +++ b/pkg/apparmor/apparmor_linux_template.go @@ -0,0 +1,43 @@ +// +build linux,apparmor + +package apparmor + +const libpodProfileTemplate = ` +{{range $value := .Imports}} +{{$value}} +{{end}} + +profile {{.Name}} flags=(attach_disconnected,mediate_deleted) { +{{range $value := .InnerImports}} + {{$value}} +{{end}} + + network, + capability, + file, + umount, + + deny @{PROC}/* w, # deny write for all files directly in /proc (not in a subdir) + # deny write to files not in /proc/<number>/** or /proc/sys/** + deny @{PROC}/{[^1-9],[^1-9][^0-9],[^1-9s][^0-9y][^0-9s],[^1-9][^0-9][^0-9][^0-9]*}/** w, + deny @{PROC}/sys/[^k]** w, # deny /proc/sys except /proc/sys/k* (effectively /proc/sys/kernel) + deny @{PROC}/sys/kernel/{?,??,[^s][^h][^m]**} w, # deny everything except shm* in /proc/sys/kernel/ + deny @{PROC}/sysrq-trigger rwklx, + deny @{PROC}/kcore rwklx, + + deny mount, + + deny /sys/[^f]*/** wklx, + deny /sys/f[^s]*/** wklx, + deny /sys/fs/[^c]*/** wklx, + deny /sys/fs/c[^g]*/** wklx, + deny /sys/fs/cg[^r]*/** wklx, + deny /sys/firmware/** rwklx, + deny /sys/kernel/security/** rwklx, + +{{if ge .Version 208095}} + # suppress ptrace denials when using using 'ps' inside a container + ptrace (trace,read) peer={{.Name}}, +{{end}} +} +` |