Merge "Framework for bootstrap AppArmor profiles"

global/v4.0/baremetal/bootactions/apparmor-profiles.yaml

@@ -0,0 +1,47 @@
+---
+schema: 'drydock/BootAction/v1'
+metadata:
+  schema: 'metadata/Document/v1'
+  name: apparmor-profiles
+  storagePolicy: 'cleartext'
+  layeringDefinition:
+    abstract: false
+    layer: global
+  substitutions:
+    - src:
+        schema: pegleg/AppArmorProfile/v1
+        name: airship-default
+        path: .savePath
+      dest:
+        path: .assets[0].path
+    - src:
+        schema: pegleg/AppArmorProfile/v1
+        name: airship-default
+        path: .content
+      dest:
+        path: .assets[0].data
+    - src:
+        schema: pegleg/AppArmorProfile/v1
+        name: airship-apparmor-loader
+        path: .savePath
+      dest:
+        path: .assets[1].path
+    - src:
+        schema: pegleg/AppArmorProfile/v1
+        name: airship-apparmor-loader
+        path: .content
+      dest:
+        path: .assets[1].data
+
+data:
+  signaling: false
+  assets:
+    - type: file
+      permissions: '600'
+      data_pipeline:
+        - utf8_decode
+    - type: file
+      permissions: '600'
+      data_pipeline:
+        - utf8_decode
+...

global/v4.0/profiles/security/apparmor_loader.yaml

@@ -0,0 +1,80 @@
+---
+schema: 'pegleg/AppArmorProfile/v1'
+metadata:
+  schema: 'metadata/Document/v1'
+  name: airship-apparmor-loader
+  storagePolicy: 'cleartext'
+  layeringDefinition:
+    abstract: false
+    layer: global
+data:
+  savePath: /etc/apparmor.d/profile_airship_loader
+  content: |
+    #include <tunables/global>
+
+    profile airship-apparmor-loader flags=(attach_disconnected,mediate_deleted) {
+      #include <abstractions/base>
+
+      network inet tcp,
+      network inet udp,
+      network inet icmp,
+
+      deny network raw,
+
+      deny network packet,
+
+      file,
+      umount,
+
+      deny /bin/** wl,
+      deny /boot/** wl,
+      deny /dev/** wl,
+      deny /etc/** wl,
+      deny /home/** wl,
+      deny /lib/** wl,
+      deny /lib64/** wl,
+      deny /media/** wl,
+      deny /mnt/** wl,
+      deny /opt/** wl,
+      deny /proc/** wl,
+      deny /root/** wl,
+      deny /sbin/** wl,
+      deny /srv/** wl,
+      deny /tmp/** wl,
+      deny /sys/** wl,
+      deny /usr/** wl,
+      audit /etc/apparmor.d/airship_* rwl,
+
+      audit /** w,
+
+      deny /bin/dash mrwklx,
+      deny /bin/sh mrwklx,
+      deny /usr/bin/top mrwklx,
+
+      capability chown,
+      # Allow Apparmor profiles to be loaded
+      capability mac_admin,
+      capability dac_override,
+      capability setuid,
+      capability setgid,
+
+      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}/mem rwklx,
+      deny @{PROC}/kmem 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,
+    }

global/v4.0/profiles/security/default_apparmor.yaml

@@ -0,0 +1,78 @@
+---
+schema: 'pegleg/AppArmorProfile/v1'
+metadata:
+  schema: 'metadata/Document/v1'
+  name: airship-default
+  storagePolicy: 'cleartext'
+  layeringDefinition:
+    abstract: false
+    layer: global
+data:
+  savePath: /etc/apparmor.d/profile_airship_default
+  content: |
+    #include <tunables/global>
+
+    profile airship-default flags=(attach_disconnected,mediate_deleted) {
+      #include <abstractions/base>
+
+      network inet tcp,
+      network inet udp,
+      network inet icmp,
+
+      deny network raw,
+
+      deny network packet,
+
+      file,
+      umount,
+
+      deny /bin/** wl,
+      deny /boot/** wl,
+      deny /dev/** wl,
+      deny /etc/** wl,
+      deny /home/** wl,
+      deny /lib/** wl,
+      deny /lib64/** wl,
+      deny /media/** wl,
+      deny /mnt/** wl,
+      deny /opt/** wl,
+      deny /proc/** wl,
+      deny /root/** wl,
+      deny /sbin/** wl,
+      deny /srv/** wl,
+      deny /tmp/** wl,
+      deny /sys/** wl,
+      deny /usr/** wl,
+
+      audit /** w,
+
+      deny /bin/dash mrwklx,
+      deny /bin/sh mrwklx,
+      deny /usr/bin/top mrwklx,
+
+      capability chown,
+      capability dac_override,
+      capability setuid,
+      capability setgid,
+      capability net_bind_service,
+
+      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}/mem rwklx,
+      deny @{PROC}/kmem 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,
+    }

global/v4.0/schemas/pegleg/AppArmorProfile/v1.yaml

@@ -0,0 +1,17 @@
+---
+schema: 'deckhand/DataSchema/v1'
+metadata:
+  schema: metadata/Control/v1
+  name: pegleg/AppArmorProfile/v1
+  labels:
+    application: pegleg
+data:
+  $schema: 'http://json-schema.org/schema#'
+  type: 'object'
+  additionalProperties: false
+  properties:
+    savePath:
+      type: 'string'
+    content:
+      type: 'string'
+  required: ['savePath', 'content']