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  1. Nov 03, 2015
    • Jeff Vander Stoep's avatar
      Create attribute for moving perms out of domain · d22987b4
      Jeff Vander Stoep authored
      Motivation: Domain is overly permissive. Start removing permissions
      from domain and assign them to the domain_deprecated attribute.
      Domain_deprecated and domain can initially be assigned to all
      domains. The goal is to not assign domain_deprecated to new domains
      and to start removing domain_deprecated where it is not required or
      reassigning the appropriate permissions to the inheriting domain
      when necessary.
      
      Bug: 25433265
      Change-Id: I8b11cb137df7bdd382629c98d916a73fe276413c
      d22987b4
  2. Apr 09, 2015
    • dcashman's avatar
      Enforce more specific service access. · bd7f5803
      dcashman authored
      Move the remaining services from tmp_system_server_service to appropriate
      attributes and remove tmp_system_server and associated logging:
      
      registry
      restrictions
      rttmanager
      scheduling_policy
      search
      sensorservice
      serial
      servicediscovery
      statusbar
      task
      textservices
      telecom_service
      trust_service
      uimode
      updatelock
      usagestats
      usb
      user
      vibrator
      voiceinteraction
      wallpaper
      webviewupdate
      wifip2p
      wifi
      window
      
      Bug: 18106000
      Change-Id: Ia0a6d47099d82c53ba403af394537db6fbc71ca0
      bd7f5803
  3. Apr 03, 2015
    • dcashman's avatar
      Add system_api_service and app_api_service attributes. · d12993f0
      dcashman authored
      System services differ in designed access level.  Add attributes reflecting this
      distinction and label services appropriately.  Begin moving access to the newly
      labeled services by removing them from tmp_system_server_service into the newly
      made system_server_service attribute.  Reflect the move of system_server_service
      from a type to an attribute by removing access to system_server_service where
      appropriate.
      
      Change-Id: I7fd06823328daaea6d6f96e4d6bd00332382230b
      d12993f0
  4. Mar 03, 2015
    • dcashman's avatar
      Record observed system_server servicemanager service requests. · 23f33615
      dcashman authored
      Also formally allow dumpstate access to all services and grant system_server
      access to address the following non-system_server_service entries:
      
      avc:  granted  { find } for service=drm.drmManager scontext=u:r:system_server:s0 tcontext=u:object_r:drmserver_service:s0 tclass=service_manager
      avc:  granted  { find } for service=nfc scontext=u:r:system_server:s0 tcontext=u:object_r:nfc_service:s0 tclass=service_manager
      
      Bug: 18106000
      Change-Id: Iad16b36acf44bce52c4824f8b53c0e7731c25602
      23f33615
  5. Jan 14, 2015
    • dcashman's avatar
      Make system_server_service an attribute. · 4a89cdfa
      dcashman authored
      Temporarily give every system_server_service its own
      domain in preparation for splitting it and identifying
      special services or classes of services.
      
      Change-Id: I81ffbdbf5eea05e0146fd7fd245f01639b1ae0ef
      4a89cdfa
  6. Jan 07, 2015
    • Nick Kralevich's avatar
      restore shared_relro functionality · b5ffbb7e
      Nick Kralevich authored
      Commit 92dfa31f added "seinfo=platform"
      to all fixed UID domains. However, that caused problems for shared_relro.
      shared_relro runs like an isolated app, and doesn't have an seinfo field
      associated with it.
      
      This causes a crash when system_server attempts to start shared_relro.
      
        W art     : PreZygoteFork called when we already have a zygote space.
        E SELinux : seapp_context_lookup:  No match for app with uid 1037, seinfo (null), name WebViewLoader-armeabi-v7a
        E SELinux : selinux_android_setcontext:  Error setting context for app with uid 1037, seinfo (null): Success
        E Zygote  : selinux_android_setcontext(1037, 0, "(null)", "WebViewLoader-armeabi-v7a") failed
        F art     : art/runtime/jni_internal.cc:508] JNI FatalError called: RuntimeAbort
        I ActivityManager: Start proc WebViewLoader-armeabi-v7a [android.webkit.WebViewFactory$RelroFileCreator] for : pid=2717 uid=1037 gids={} abi=armeabi-v7a
        W libbacktrace: virtual bool BacktraceThread::Unwind(size_t, ucontext_t*): tgkill 1176 failed: No such process
        W libbacktrace: virtual bool BacktraceThread::Unwind(size_t, ucontext_t*): tgkill 1176 failed: No such process
        F art     : art/runtime/runtime.cc:331] Runtime aborting...
        F art     : art/runtime/runtime.cc:331] Aborting thread:
        F art     : art/runtime/runtime.cc:331] "main" prio=5 tid=1 Native
        F art     : art/runtime/runtime.cc:331]   | group="" sCount=0 dsCount=0 obj=0x7298f000 self=0xb4827800
        F art     : art/runtime/runtime.cc:331]   | sysTid=1176 nice=0 cgrp=default sched=0/0 handle=0xb6f22d80
        F art     : art/runtime/runtime.cc:331]   | state=? schedstat=( 0 0 0 ) utm=0 stm=0 core=0 HZ=100
        F art     : art/runtime/runtime.cc:331]   | stack=0xbe39d000-0xbe39f000 stackSize=8MB
        F art     : art/runtime/runtime.cc:331]   | held mutexes= "abort lock" "mutator lock"(shared held)
        F art     : art/runtime/runtime.cc:331]   kernel: (couldn't read /proc/self/task/1176/stack)
        F art     : art/runtime/runtime.cc:331]   native: (backtrace::Unwind failed for thread 1176)
        F art     : art/runtime/runtime.cc:331]   at com.android.internal.os.Zygote.nativeForkAndSpecialize(Native method)
        F art     : art/runtime/runtime.cc:331]   at com.android.internal.os.Zygote.forkAndSpecialize(Zygote.java:91)
        F art     : art/runtime/runtime.cc:331]   at com.android.internal.os.ZygoteConnection.runOnce(ZygoteConnection.java:227)
      
      removing seinfo=platform from shared_relro fixed this bug, but then
      revealed two new SELinux denials:
      
        E SELinux : avc:  denied  { find } for service=webviewupdate scontext=u:r:shared_relro:s0 tcontext=u:object_r:system_server_service:s0 tclass=service_manager
        E SELinux : avc:  denied  { find } for service=activity scontext=u:r:shared_relro:s0 tcontext=u:object_r:system_server_service:s0 tclass=service_manager
      
      Add the needed SELinux rule.
      
      Change-Id: I4372ccfe2e9f3d982796d2c0dc79259aa8a31810
      b5ffbb7e
  7. May 27, 2014
    • Torne (Richard Coles)'s avatar
      Define SELinux policy for RELRO sharing support. · 9786af2b
      Torne (Richard Coles) authored
      Define a domain and appropriate access rules for shared RELRO files
      (used for loading the WebView native library). Any app is permitted to
      read the files as they are public data, but only the shared_relro
      process is permitted to create/update them.
      
      Bug: 13005501
      Change-Id: I9d5ba9e9eedb9b8c80fe6f84a3fc85a68553d52e
      9786af2b
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