touch-packages team mailing list archive

[Jamie Strandboge <jamie@xxxxxxxxxx>]

Public bug reported:

This is a new bug for the problems seen in bug #1219644. Specifically:

1. There is a denial to create this directory if it does not exist already:
Jun 24 17:02:55 ubuntu-phablet kernel: [44001.684473] type=1400 audit(1435183375.362:404): apparmor="DENIED" operation="mkdir" profile="com.ubuntu.developer.rmescandon.asana_account-plugin_1.0.0" name="/home/phablet/.cache/QML/Apps/online-accounts-ui/" pid=15145 comm="QQmlThread" requested_mask="c" denied_mask="c" fsuid=32011 ouid=32011

2. If you create that directory, the next denial is not application specific (ie, it doesn't use the APP_ID):
Jun 24 17:12:00 ubuntu-phablet kernel: [44546.645041] type=1400 audit(1435183920.324:495): apparmor="DENIED" operation="mknod" profile="com.ubuntu.developer.rmescandon.asana_account-plugin_1.0.0" name="/home/phablet/.cache/QML/Apps/online-accounts-ui/ea1df0af2467507eb3888f68100da073" pid=17998 comm="QQmlThread" requested_mask="c" denied_mask="c" fsuid=32011 ouid=32011

3. The apparmor policy has rules for this:
  owner @{HOME}/.cache/online-accounts-ui/id-*-@{APP_PKGNAME}_@{APP_APPNAME}/ rw,
  owner @{HOME}/.cache/online-accounts-ui/id-*-@{APP_PKGNAME}_@{APP_APPNAME}/** mrwkl,

but *not* for:
  owner @{HOME}/.cache/QML/Apps/online-accounts-ui/.../ rw,
  owner @{HOME}/.cache/QML/Apps/online-accounts-ui/.../** mrwkl,

It is not clear if '3' will be fixed if '2' is or if the policy will need this added after '2' is fixed:
  # Allow writes to application-specific QML cache directories
  owner @{HOME}/.cache/QML/Apps/@{APP_PKGNAME}_@{APP_APPNAME}_@{APP_VERSION}/   rw,
  owner @{HOME}/.cache/QML/Apps/@{APP_PKGNAME}_@{APP_APPNAME}_@{APP_VERSION}/** mrwkl,

** Affects: ubuntu-system-settings-online-accounts
     Importance: Undecided
         Status: New

** Affects: apparmor-easyprof-ubuntu (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: application-confinement

** Tags added: application-confinement

** Also affects: apparmor-easyprof-ubuntu (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1468792

Title:
  various apparmor denials when using ubuntu-account-plugin template

Status in Online Accounts setup for Ubuntu Touch:
  New
Status in apparmor-easyprof-ubuntu package in Ubuntu:
  New

Bug description:
  This is a new bug for the problems seen in bug #1219644. Specifically:

  1. There is a denial to create this directory if it does not exist already:
  Jun 24 17:02:55 ubuntu-phablet kernel: [44001.684473] type=1400 audit(1435183375.362:404): apparmor="DENIED" operation="mkdir" profile="com.ubuntu.developer.rmescandon.asana_account-plugin_1.0.0" name="/home/phablet/.cache/QML/Apps/online-accounts-ui/" pid=15145 comm="QQmlThread" requested_mask="c" denied_mask="c" fsuid=32011 ouid=32011

  2. If you create that directory, the next denial is not application specific (ie, it doesn't use the APP_ID):
  Jun 24 17:12:00 ubuntu-phablet kernel: [44546.645041] type=1400 audit(1435183920.324:495): apparmor="DENIED" operation="mknod" profile="com.ubuntu.developer.rmescandon.asana_account-plugin_1.0.0" name="/home/phablet/.cache/QML/Apps/online-accounts-ui/ea1df0af2467507eb3888f68100da073" pid=17998 comm="QQmlThread" requested_mask="c" denied_mask="c" fsuid=32011 ouid=32011

  3. The apparmor policy has rules for this:
    owner @{HOME}/.cache/online-accounts-ui/id-*-@{APP_PKGNAME}_@{APP_APPNAME}/ rw,
    owner @{HOME}/.cache/online-accounts-ui/id-*-@{APP_PKGNAME}_@{APP_APPNAME}/** mrwkl,

  but *not* for:
    owner @{HOME}/.cache/QML/Apps/online-accounts-ui/.../ rw,
    owner @{HOME}/.cache/QML/Apps/online-accounts-ui/.../** mrwkl,

  It is not clear if '3' will be fixed if '2' is or if the policy will need this added after '2' is fixed:
    # Allow writes to application-specific QML cache directories
    owner @{HOME}/.cache/QML/Apps/@{APP_PKGNAME}_@{APP_APPNAME}_@{APP_VERSION}/   rw,
    owner @{HOME}/.cache/QML/Apps/@{APP_PKGNAME}_@{APP_APPNAME}_@{APP_VERSION}/** mrwkl,

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