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linux/security/apparmor/task.c

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treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation version 2 of the license extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 315 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Armijn Hemel <armijn@tjaldur.nl> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-01 10:08:55 +02:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: move context.h to cred.h Now that file contexts have been moved into file, and task context fns() and data have been split from the context, only the cred context remains in context.h so rename to cred.h to better reflect what it deals with. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-11 01:04:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
apparmor: Simplify obtain the newest label on a cred In aa_get_task_label(), aa_get_newest_cred_label(__task_cred(task)) can do the same things as aa_get_newest_label(__aa_task_raw_label(task)), so we can replace it and remove __aa_task_raw_label() to simplify the code. Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-23 17:21:18 +08:00
apparmor: add utility function to get an arbitrary tasks profile. Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:03:34 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
apparmor: update domain transitions that are subsets of confinement at nnp Domain transition so far have been largely blocked by no new privs, unless the transition has been provably a subset of the previous confinement. There was a couple problems with the previous implementations, - transitions that weren't explicitly a stack but resulted in a subset of confinement were disallowed - confinement subsets were only calculated from the previous confinement instead of the confinement being enforced at the time of no new privs, so transitions would have to get progressively tighter. Fix this by detecting and storing a reference to the task's confinement at the "time" no new privs is set. This reference is then used to determine whether a transition is a subsystem of the confinement at the time no new privs was set. Unfortunately the implementation is less than ideal in that we have to detect no new privs after the fact when a task attempts a domain transition. This is adequate for the currently but will not work in a stacking situation where no new privs could be conceivably be set in both the "host" and in the container. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 18:26:19 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: fail task profile update if current_cred isn't real_cred Trying to update the task cred while the task current cred is not the real cred will result in an error at the cred layer. Avoid this by failing early and delaying the update. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-16 00:42:59 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: update domain transitions that are subsets of confinement at nnp Domain transition so far have been largely blocked by no new privs, unless the transition has been provably a subset of the previous confinement. There was a couple problems with the previous implementations, - transitions that weren't explicitly a stack but resulted in a subset of confinement were disallowed - confinement subsets were only calculated from the previous confinement instead of the confinement being enforced at the time of no new privs, so transitions would have to get progressively tighter. Fix this by detecting and storing a reference to the task's confinement at the "time" no new privs is set. This reference is then used to determine whether a transition is a subsystem of the confinement at the time no new privs was set. Unfortunately the implementation is less than ideal in that we have to detect no new privs after the fact when a task attempts a domain transition. This is adequate for the currently but will not work in a stacking situation where no new privs could be conceivably be set in both the "host" and in the container. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 18:26:19 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
apparmor: use common fn to clear task_context for domain transitions Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:05:34 -08:00
apparmor: rename context abreviation cxt to the more standard ctx Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-16 00:43:00 -08:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
apparmor: rename context abreviation cxt to the more standard ctx Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-16 00:43:00 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: Abstract use of cred security blob Don't use the cred->security pointer directly. Provide a helper function that provides the security blob pointer. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Kees Cook <keescook@chromium.org> [kees: adjusted for ordered init series] Signed-off-by: Kees Cook <keescook@chromium.org>
2018-09-21 17:17:59 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: make aa_set_current_onexec return void Change the return type to void since it always return 0, and no need to do the checking in aa_set_current_onexec. Signed-off-by: Quanfa Fu <quanfafu@gmail.com> Reviewed-by: "Tyler Hicks (Microsoft)" <code@tyhicks.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2023-01-15 00:49:52 +08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: rename context abreviation cxt to the more standard ctx Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-16 00:43:00 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
AppArmor: Abstract use of cred security blob Don't use the cred->security pointer directly. Provide a helper function that provides the security blob pointer. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Kees Cook <keescook@chromium.org> [kees: adjusted for ordered init series] Signed-off-by: Kees Cook <keescook@chromium.org>
2018-09-21 17:17:59 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task related defines and fns to task.X files Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-10-08 00:43:02 -07:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: switch from profiles to using labels on contexts Begin the actual switch to using domain labels by storing them on the context and converting the label to a singular profile where possible. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-06-09 08:14:28 -07:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
AppArmor: Abstract use of cred security blob Don't use the cred->security pointer directly. Provide a helper function that provides the security blob pointer. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Kees Cook <keescook@chromium.org> [kees: adjusted for ordered init series] Signed-off-by: Kees Cook <keescook@chromium.org>
2018-09-21 17:17:59 -07:00
apparmor: drop cred_ctx and reference the label directly With the task domain change information now stored in the task->security context, the cred->security context only stores the label. We can get rid of the cred_ctx and directly reference the label, removing a layer of indirection, and unneeded extra allocations. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 03:53:53 -08:00
apparmor: use common fn to clear task_context for domain transitions Signed-off-by: John Johansen <john.johansen@canonical.com> Acked-by: Steve Beattie <sbeattie@ubuntu.com>
2013-02-18 16:05:34 -08:00
apparmor: rename tctx to ctx now that cred_ctx has been removed we can rename task_ctxs from tctx without causing confusion. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-27 04:09:40 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move task domain change info to task security The task domain change info is task specific and its and abuse of the cred to store the information in there. Now that a task->security field exists store it in the proper place. Signed-off-by: John Johansen <john.johansen@canonical.com>
2017-01-20 01:59:25 -08:00
AppArmor: contexts used in attaching policy to system objects AppArmor contexts attach profiles and state to tasks, files, etc. when a direct profile reference is not sufficient. Signed-off-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <jmorris@namei.org>
2010-07-29 14:47:59 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: rename audit_data->label to audit_data->subj_label rename audit_data's label field to subj_label to better reflect its use. Also at the same time drop unneeded assignments to ->subj_label as the later call to aa_check_perms will do the assignment if needed. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 00:46:09 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: refactor profile rules and attachments In preparation for moving from a single set of rules and a single attachment to multiple rulesets and attachments separate from the profile refactor attachment information and ruleset info into their own structures. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-07-29 17:17:31 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: rework profile->rules to be a list Convert profile->rules to a list as the next step towards supporting multiple rulesets in a profile. For this step only support a single list entry item. The logic for iterating the list will come as a separate step. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-05 20:47:36 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: rework profile->rules to be a list Convert profile->rules to a list as the next step towards supporting multiple rulesets in a profile. For this step only support a single list entry item. The logic for iterating the list will come as a separate step. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-05 20:47:36 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: rework profile->rules to be a list Convert profile->rules to a list as the next step towards supporting multiple rulesets in a profile. For this step only support a single list entry item. The logic for iterating the list will come as a separate step. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-05 20:47:36 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: rework profile->rules to be a list Convert profile->rules to a list as the next step towards supporting multiple rulesets in a profile. For this step only support a single list entry item. The logic for iterating the list will come as a separate step. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-05 20:47:36 -07:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: rename audit_data->label to audit_data->subj_label rename audit_data's label field to subj_label to better reflect its use. Also at the same time drop unneeded assignments to ->subj_label as the later call to aa_check_perms will do the assignment if needed. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 00:46:09 -07:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: combine common_audit_data and apparmor_audit_data Everywhere where common_audit_data is used apparmor audit_data is also used. We can simplify the code and drop the use of the aad macro everywhere by combining the two structures. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-14 00:20:12 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: add missing params to aa_may_ptrace kernel-doc comments When the cred was explicit passed through to aa_may_ptrace() the kernel-doc comment was not properly updated. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202311040508.AUhi04RY-lkp@intel.com/ Signed-off-by: John Johansen <john.johansen@canonical.com>
2023-11-19 01:19:41 -08:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: add missing params to aa_may_ptrace kernel-doc comments When the cred was explicit passed through to aa_may_ptrace() the kernel-doc comment was not properly updated. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202311040508.AUhi04RY-lkp@intel.com/ Signed-off-by: John Johansen <john.johansen@canonical.com>
2023-11-19 01:19:41 -08:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: add mediation class information to auditing Audit messages currently don't contain the mediation class which can make them less clear than they should be in some circumstances. With newer mediation classes coming this potential confusion will become worse. Fix this by adding the mediatin class to the messages. Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-04-19 16:25:55 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: pass cred through to audit info. The cred is needed to properly audit some messages, and will be needed in the future for uid conditional mediation. So pass it through to where the apparmor_audit_data struct gets defined. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-19 20:48:48 -07:00
apparmor: move ptrace mediation to more logical task.{h,c} AppArmor split out task oriented controls to their own logical file a while ago. Ptrace mediation is better grouped with task than ipc, so move it. Signed-off-by: John Johansen <john.johansen@canonical.com>
2021-11-22 23:28:32 -08:00
apparmor: add user namespace creation mediation Unprivileged user namespace creation is often used as a first step in privilege escalation attacks. Instead of disabling it at the sysrq level, which blocks its legitimate use as for setting up a sandbox, allow control on a per domain basis. This allows an admin to quickly lock down a system while also still allowing legitimate use. Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com> Signed-off-by: John Johansen <john.johansen@canonical.com>
2022-09-09 16:00:09 -07:00