1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890
|
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016-2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package builtin_test
import (
"errors"
"os/exec"
"github.com/snapcore/snapd/strutil"
. "gopkg.in/check.v1"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/builtin"
"github.com/snapcore/snapd/interfaces/kmod"
"github.com/snapcore/snapd/interfaces/seccomp"
"github.com/snapcore/snapd/interfaces/udev"
"github.com/snapcore/snapd/release"
apparmor_sandbox "github.com/snapcore/snapd/sandbox/apparmor"
"github.com/snapcore/snapd/snap"
"github.com/snapcore/snapd/snap/snaptest"
"github.com/snapcore/snapd/testutil"
)
type DockerSupportInterfaceSuite struct {
iface interfaces.Interface
slotInfo *snap.SlotInfo
slot *interfaces.ConnectedSlot
plugInfo *snap.PlugInfo
plug *interfaces.ConnectedPlug
networkCtrlSlotInfo *snap.SlotInfo
networkCtrlSlot *interfaces.ConnectedSlot
networkCtrlPlugInfo *snap.PlugInfo
networkCtrlPlug *interfaces.ConnectedPlug
privContainersPlugInfo *snap.PlugInfo
privContainersPlug *interfaces.ConnectedPlug
noPrivContainersPlugInfo *snap.PlugInfo
noPrivContainersPlug *interfaces.ConnectedPlug
malformedPlugInfo *snap.PlugInfo
malformedPlug *interfaces.ConnectedPlug
}
const coreDockerSlotYaml = `name: core
version: 0
type: os
slots:
docker-support:
network-control:
`
const dockerSupportMockPlugSnapInfoYaml = `name: docker
version: 1.0
apps:
app:
command: foo
plugs:
- docker-support
- network-control
`
const dockerSupportPrivilegedContainersMalformedMockPlugSnapInfoYaml = `name: docker
version: 1.0
plugs:
privileged:
interface: docker-support
privileged-containers: foobar
apps:
app:
command: foo
plugs:
- privileged
`
const dockerSupportPrivilegedContainersFalseMockPlugSnapInfoYaml = `name: docker
version: 1.0
plugs:
privileged:
interface: docker-support
privileged-containers: false
apps:
app:
command: foo
plugs:
- privileged
`
const dockerSupportPrivilegedContainersTrueMockPlugSnapInfoYaml = `name: docker
version: 1.0
plugs:
privileged:
interface: docker-support
privileged-containers: true
apps:
app:
command: foo
plugs:
- privileged
`
var _ = Suite(&DockerSupportInterfaceSuite{
iface: builtin.MustInterface("docker-support"),
})
func (s *DockerSupportInterfaceSuite) SetUpTest(c *C) {
s.plug, s.plugInfo = MockConnectedPlug(c, dockerSupportMockPlugSnapInfoYaml, nil, "docker-support")
s.slot, s.slotInfo = MockConnectedSlot(c, coreDockerSlotYaml, nil, "docker-support")
s.networkCtrlPlug, s.networkCtrlPlugInfo = MockConnectedPlug(c, dockerSupportMockPlugSnapInfoYaml, nil, "network-control")
s.networkCtrlSlot, s.networkCtrlSlotInfo = MockConnectedSlot(c, coreDockerSlotYaml, nil, "network-control")
s.privContainersPlug, s.privContainersPlugInfo = MockConnectedPlug(c, dockerSupportPrivilegedContainersTrueMockPlugSnapInfoYaml, nil, "privileged")
s.noPrivContainersPlug, s.noPrivContainersPlugInfo = MockConnectedPlug(c, dockerSupportPrivilegedContainersFalseMockPlugSnapInfoYaml, nil, "privileged")
s.malformedPlug, s.malformedPlugInfo = MockConnectedPlug(c, dockerSupportPrivilegedContainersMalformedMockPlugSnapInfoYaml, nil, "privileged")
}
func (s *DockerSupportInterfaceSuite) TestName(c *C) {
c.Assert(s.iface.Name(), Equals, "docker-support")
}
func (s *DockerSupportInterfaceSuite) TestUsedSecuritySystems(c *C) {
// connected plugs have a non-nil security snippet for apparmor
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
c.Assert(apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(apparmorSpec.SecurityTags(), HasLen, 1)
// connected plugs have a non-nil security snippet for seccomp
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
c.Assert(seccompSpec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(seccompSpec.Snippets(), HasLen, 1)
}
func (s *DockerSupportInterfaceSuite) TestSanitizeSlot(c *C) {
c.Assert(interfaces.BeforePrepareSlot(s.iface, s.slotInfo), IsNil)
}
func (s *DockerSupportInterfaceSuite) TestSanitizePlug(c *C) {
c.Assert(interfaces.BeforePreparePlug(s.iface, s.plugInfo), IsNil)
}
func (s *DockerSupportInterfaceSuite) TestSanitizePlugWithPrivilegedTrue(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.privContainersPlug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
c.Assert(apparmorSpec.AddConnectedPlug(s.iface, s.privContainersPlug, s.slot), IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Assert(apparmorSpec.SnippetForTag("snap.docker.app"), testutil.Contains, `change_profile unsafe /**,`)
appSet, err = interfaces.NewSnapAppSet(s.privContainersPlug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
c.Assert(seccompSpec.AddConnectedPlug(s.iface, s.privContainersPlug, s.slot), IsNil)
c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Check(seccompSpec.SnippetForTag("snap.docker.app"), testutil.Contains, "@unrestricted")
}
func (s *DockerSupportInterfaceSuite) TestSanitizePlugWithPrivilegedFalse(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.noPrivContainersPlug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
c.Assert(apparmorSpec.AddConnectedPlug(s.iface, s.noPrivContainersPlug, s.slot), IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Assert(apparmorSpec.SnippetForTag("snap.docker.app"), Not(testutil.Contains), `change_profile unsafe /**,`)
appSet, err = interfaces.NewSnapAppSet(s.noPrivContainersPlug.Snap(), nil)
c.Assert(err, IsNil)
seccompSpec := seccomp.NewSpecification(appSet)
c.Assert(seccompSpec.AddConnectedPlug(s.iface, s.noPrivContainersPlug, s.slot), IsNil)
c.Assert(seccompSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Check(seccompSpec.SnippetForTag("snap.docker.app"), Not(testutil.Contains), "@unrestricted")
}
func (s *DockerSupportInterfaceSuite) TestSanitizePlugWithPrivilegedBad(c *C) {
var mockSnapYaml = `name: docker
version: 1.0
plugs:
privileged:
interface: docker-support
privileged-containers: bad
`
info := snaptest.MockInfo(c, mockSnapYaml, nil)
plug := info.Plugs["privileged"]
c.Assert(interfaces.BeforePreparePlug(s.iface, plug), ErrorMatches, "docker-support plug requires bool with 'privileged-containers'")
}
func (s *DockerSupportInterfaceSuite) TestInterfaces(c *C) {
c.Check(builtin.Interfaces(), testutil.DeepContains, s.iface)
}
func (s *DockerSupportInterfaceSuite) TestAppArmorSpec(c *C) {
// no features so should not support userns
restore := apparmor_sandbox.MockFeatures(nil, nil, nil, nil)
defer restore()
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec := apparmor.NewSpecification(appSet)
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Check(spec.SnippetForTag("snap.docker.app"), testutil.Contains, "/sys/fs/cgroup/*/docker/ rw,\n")
c.Check(spec.UsesPtraceTrace(), Equals, true)
c.Check(spec.SnippetForTag("snap.docker.app"), Not(testutil.Contains), "userns,\n")
// test with apparmor userns support too
restore = apparmor_sandbox.MockFeatures(nil, nil, []string{"userns"}, nil)
defer restore()
appSet, err = interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec = apparmor.NewSpecification(appSet)
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(spec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
c.Check(spec.SnippetForTag("snap.docker.app"), testutil.Contains, "/sys/fs/cgroup/*/docker/ rw,\n")
c.Check(spec.UsesPtraceTrace(), Equals, true)
c.Check(spec.SnippetForTag("snap.docker.app"), testutil.Contains, "userns,\n")
}
func (s *DockerSupportInterfaceSuite) TestSecCompSpec(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec := seccomp.NewSpecification(appSet)
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Check(spec.SnippetForTag("snap.docker.app"), testutil.Contains, "# Calls the Docker daemon itself requires\n")
}
func (s *DockerSupportInterfaceSuite) TestKModSpec(c *C) {
spec := &kmod.Specification{}
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Assert(spec.Modules(), DeepEquals, map[string]bool{
"overlay": true,
})
}
func (s *DockerSupportInterfaceSuite) TestPermanentSlotAppArmorSessionNative(c *C) {
restore := release.MockOnClassic(false)
defer restore()
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
// verify core rule present
c.Check(apparmorSpec.SnippetForTag("snap.docker.app"), testutil.Contains, "# /system-data/var/snap/docker/common/var-lib-docker/overlay2/$SHA/diff/\n")
}
func (s *DockerSupportInterfaceSuite) TestPermanentSlotAppArmorSessionClassic(c *C) {
restore := release.MockOnClassic(true)
defer restore()
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
err = apparmorSpec.AddConnectedPlug(s.iface, s.plug, s.slot)
c.Assert(err, IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
// verify core rule not present
c.Check(apparmorSpec.SnippetForTag("snap.docker.app"), Not(testutil.Contains), "# /system-data/var/snap/docker/common/var-lib-docker/overlay2/$SHA/diff/\n")
}
func (s *DockerSupportInterfaceSuite) TestUdevTaggingDisablingRemoveLast(c *C) {
// make a spec with network-control that has udev tagging
appSet, err := interfaces.NewSnapAppSet(s.networkCtrlPlug.Snap(), nil)
c.Assert(err, IsNil)
spec := udev.NewSpecification(appSet)
c.Assert(spec.AddConnectedPlug(builtin.MustInterface("network-control"), s.networkCtrlPlug, s.networkCtrlSlot), IsNil)
c.Assert(spec.Snippets(), HasLen, 3)
// connect docker-support interface plug and ensure that the udev spec is now nil
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Check(spec.Snippets(), HasLen, 0)
}
func (s *DockerSupportInterfaceSuite) TestUdevTaggingDisablingRemoveFirst(c *C) {
appSet, err := interfaces.NewSnapAppSet(s.plug.Snap(), nil)
c.Assert(err, IsNil)
spec := udev.NewSpecification(appSet)
// connect docker-support interface plug which specifies
// controls-device-cgroup as true and ensure that the udev spec is now nil
c.Assert(spec.AddConnectedPlug(s.iface, s.plug, s.slot), IsNil)
c.Check(spec.Snippets(), HasLen, 0)
// add network-control and ensure the spec is still nil
c.Assert(spec.AddConnectedPlug(builtin.MustInterface("network-control"), s.networkCtrlPlug, s.networkCtrlSlot), IsNil)
c.Assert(spec.Snippets(), HasLen, 0)
}
func (s *DockerSupportInterfaceSuite) TestServicePermanentPlugSnippets(c *C) {
snips, err := interfaces.PermanentPlugServiceSnippets(s.iface, s.plugInfo)
c.Assert(err, IsNil)
c.Check(snips, DeepEquals, []interfaces.PlugServicesSnippet{interfaces.PlugServicesServiceSectionSnippet("Delegate=true")})
// check that a malformed plug with bad attribute returns non-nil error
// from PermanentPlugServiceSnippets, thereby ensuring that function
// sanitizes plugs
_, err = interfaces.PermanentPlugServiceSnippets(s.iface, s.malformedPlugInfo)
c.Assert(err, ErrorMatches, "docker-support plug requires bool with 'privileged-containers'")
}
func (s *DockerSupportInterfaceSuite) TestGenerateAAREExclusionPatterns(c *C) {
const dockerSupportConnectedPlugAppArmorUserNS = `
# allow use of user namespaces
userns,
`
const dockerSupportConnectedPlugAppArmorMqueue = `
# allow unrestricted use of posix message queues
mqueue,
`
const dockerSupportConnectedPlugAppArmor = `
# Description: allow operating as the Docker daemon/containerd. This policy is
# intentionally not restrictive and is here to help guard against programming
# errors and not for security confinement. The Docker daemon by design requires
# extensive access to the system and cannot be effectively confined against
# malicious activity.
#include <abstractions/dbus-strict>
# Allow sockets/etc for docker
/{,var/}run/docker.sock rw,
/{,var/}run/docker/ rw,
/{,var/}run/docker/** mrwklix,
/{,var/}run/runc/ rw,
/{,var/}run/runc/** mrwklix,
# Allow sockets/etc for containerd
/{,var/}run/containerd/{,s/,runc/,runc/k8s.io/,runc/k8s.io/*/} rw,
/{,var/}run/containerd/runc/k8s.io/*/** rwk,
/{,var/}run/containerd/{io.containerd*/,io.containerd*/k8s.io/,io.containerd*/k8s.io/*/} rw,
/{,var/}run/containerd/io.containerd*/*/** rwk,
/{,var/}run/containerd/s/** rwk,
# Limit ipam-state to k8s
/run/ipam-state/k8s-** rw,
/run/ipam-state/k8s-*/lock k,
# Socket for docker-containerd-shim
unix (bind,listen) type=stream addr="@/containerd-shim/**.sock\x00",
/{,var/}run/mount/utab r,
# Wide read access to /proc, but somewhat limited writes for now
@{PROC}/ r,
@{PROC}/** r,
@{PROC}/[0-9]*/attr/{,apparmor/}exec w,
@{PROC}/[0-9]*/oom_score_adj w,
# Limited read access to specific bits of /sys
/sys/kernel/mm/hugepages/ r,
/sys/kernel/mm/transparent_hugepage/{,**} r,
/sys/fs/cgroup/cpuset/cpuset.cpus r,
/sys/fs/cgroup/cpuset/cpuset.mems r,
/sys/module/apparmor/parameters/enabled r,
# Limit cgroup writes a bit (Docker uses a "docker" sub-group)
/sys/fs/cgroup/*/docker/ rw,
/sys/fs/cgroup/*/docker/** rw,
# Also allow cgroup writes to kubernetes pods
/sys/fs/cgroup/*/kubepods/ rw,
/sys/fs/cgroup/*/kubepods/** rw,
# containerd can also be configured to use the systemd cgroup driver via
# plugins.cri.systemd_cgroup = true which moves container processes into
# systemd-managed cgroups. This is now the recommended configuration since it
# provides a single cgroup manager (systemd) in an effort to achieve consistent
# views of resources.
/sys/fs/cgroup/*/systemd/{,system.slice/} rw, # create missing dirs
/sys/fs/cgroup/*/systemd/system.slice/** r,
/sys/fs/cgroup/*/systemd/system.slice/cgroup.procs w,
# Allow tracing ourself (especially the "runc" process we create)
ptrace (trace) peer=@{profile_name},
# Docker needs a lot of caps, but limits them in the app container
capability,
# Docker does all kinds of mounts all over the filesystem
/dev/mapper/control rw,
/dev/mapper/docker* rw,
/dev/loop-control r,
/dev/loop[0-9]* rw,
/sys/devices/virtual/block/dm-[0-9]*/** r,
mount,
umount,
# After doing a pivot_root using <graph-dir>/<container-fs>/.pivot_rootNNNNNN,
# Docker removes the leftover /.pivot_rootNNNNNN directory (which is now
# relative to "/" instead of "<graph-dir>/<container-fs>" thanks to pivot_root)
pivot_root,
/.pivot_root[0-9]*/ rw,
# file descriptors (/proc/NNN/fd/X)
# file descriptors in the container show up here due to attach_disconnected
/[0-9]* rw,
# Docker needs to be able to create and load the profile it applies to
# containers ("docker-default")
/{,usr/}sbin/apparmor_parser ixr,
/etc/apparmor.d/cache/ r, # apparmor 2.12 and below
/etc/apparmor.d/cache/.features r,
/etc/apparmor.d/{,cache/}docker* rw,
/var/cache/apparmor/{,*/} r, # apparmor 2.13 and higher
/var/cache/apparmor/*/.features r,
/var/cache/apparmor/*/docker* rw,
/etc/apparmor.d/tunables/{,**} r,
/etc/apparmor.d/abstractions/{,**} r,
/etc/apparmor/parser.conf r,
/etc/apparmor.d/abi/{,*} r,
/etc/apparmor/subdomain.conf r,
/sys/kernel/security/apparmor/.replace rw,
/sys/kernel/security/apparmor/{,**} r,
# use 'privileged-containers: true' to support --security-opts
# defaults for docker-default
# Unfortunately, the docker snap is currently (by design?) setup to have both
# the privileged and unprivileged variant of the docker-support interface
# connected which means we have rules that are compatible to allow both
# transitioning to docker-default profile here AAAAAAND transitioning to any
# other profile below in the privileged snippet, BUUUUUUUT also need to be
# triply compatible with the injected compatibility snap-confine transition
# rules to temporarily support executing other snaps from devmode snaps.
# So we are left with writing out these extremely verbose regexps because AARE
# does not have a negative concept to exclude just the paths we want.
# See also https://bugs.launchpad.net/apparmor/+bug/1964853 and
# https://bugs.launchpad.net/apparmor/+bug/1964854 for more details on the
# AppArmor parser side of things.
# TODO: When we drop support for executing other snaps from devmode snaps (or
# when the AppArmor parser bugs are fixed) this can go back to the much simpler
# rule:
# change_profile unsafe /** -> docker-default,
# but until then we are stuck with:
change_profile unsafe /[^s]** -> docker-default,
change_profile unsafe /s[^n]** -> docker-default,
change_profile unsafe /sn[^a]** -> docker-default,
change_profile unsafe /sna[^p]** -> docker-default,
change_profile unsafe /snap[^/]** -> docker-default,
change_profile unsafe /snap/[^sc]** -> docker-default,
change_profile unsafe /snap/{s[^n],c[^o]}** -> docker-default,
change_profile unsafe /snap/{sn[^a],co[^r]}** -> docker-default,
change_profile unsafe /snap/{sna[^p],cor[^e]}** -> docker-default,
# branch for the /snap/core/... paths
change_profile unsafe /snap/core[^/]** -> docker-default,
change_profile unsafe /snap/core/*/[^u]** -> docker-default,
change_profile unsafe /snap/core/*/u[^s]** -> docker-default,
change_profile unsafe /snap/core/*/us[^r]** -> docker-default,
change_profile unsafe /snap/core/*/usr[^/]** -> docker-default,
change_profile unsafe /snap/core/*/usr/[^l]** -> docker-default,
change_profile unsafe /snap/core/*/usr/l[^i]** -> docker-default,
change_profile unsafe /snap/core/*/usr/li[^b]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib[^/]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/[^s]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/s[^n]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/sn[^a]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/sna[^p]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snap[^d]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd[^/]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/[^s]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/s[^n]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/sn[^a]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/sna[^p]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap[^-]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-[^c]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-c[^o]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-co[^n]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-con[^f]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-conf[^i]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confi[^n]** -> docker-default,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confin[^e]** -> docker-default,
# branch for the /snap/snapd/... paths
change_profile unsafe /snap/snap[^d]** -> docker-default,
change_profile unsafe /snap/snapd[^/]** -> docker-default,
change_profile unsafe /snap/snapd/*/[^u]** -> docker-default,
change_profile unsafe /snap/snapd/*/u[^s]** -> docker-default,
change_profile unsafe /snap/snapd/*/us[^r]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr[^/]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/[^l]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/l[^i]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/li[^b]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib[^/]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/[^s]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/s[^n]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/sn[^a]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/sna[^p]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snap[^d]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd[^/]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/[^s]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/s[^n]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sn[^a]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sna[^p]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap[^-]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-[^c]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-c[^o]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-co[^n]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-con[^f]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-conf[^i]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confi[^n]** -> docker-default,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confin[^e]** -> docker-default,
# signal/tracing rules too
signal (send) peer=docker-default,
ptrace (read, trace) peer=docker-default,
# defaults for containerd
# TODO: When we drop support for executing other snaps from devmode snaps (or
# when the AppArmor parser bugs are fixed) this can go back to the much simpler
# rule:
# change_profile unsafe /** -> cri-containerd.apparmor.d,
# see above comment, we need this because we can't have nice things
change_profile unsafe /[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /s[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /sn[^a]** -> cri-containerd.apparmor.d,
change_profile unsafe /sna[^p]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/[^sc]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/{s[^n],c[^o]}** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/{sn[^a],co[^r]}** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/{sna[^p],cor[^e]}** -> cri-containerd.apparmor.d,
# branch for the /snap/core/... paths
change_profile unsafe /snap/core[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/[^u]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/u[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/us[^r]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/[^l]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/l[^i]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/li[^b]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/s[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/sn[^a]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/sna[^p]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snap[^d]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/s[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/sn[^a]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/sna[^p]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap[^-]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-[^c]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-c[^o]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-co[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-con[^f]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-conf[^i]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confi[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confin[^e]** -> cri-containerd.apparmor.d,
# branch for the /snap/snapd/... paths
change_profile unsafe /snap/snap[^d]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/[^u]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/u[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/us[^r]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/[^l]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/l[^i]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/li[^b]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/s[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/sn[^a]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/sna[^p]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snap[^d]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd[^/]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/[^s]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/s[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sn[^a]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sna[^p]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap[^-]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-[^c]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-c[^o]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-co[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-con[^f]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-conf[^i]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confi[^n]** -> cri-containerd.apparmor.d,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confin[^e]** -> cri-containerd.apparmor.d,
# signal/tracing rules too
signal (send) peer=cri-containerd.apparmor.d,
ptrace (read, trace) peer=cri-containerd.apparmor.d,
# Graph (storage) driver bits
/{dev,run}/shm/aufs.xino mrw,
/proc/fs/aufs/plink_maint w,
/sys/fs/aufs/** r,
#cf bug 1502785
/ r,
# recent versions of docker make a symlink from /dev/ptmx to /dev/pts/ptmx
# and so to allow allocating a new shell we need this
/dev/pts/ptmx rw,
# needed by runc for mitigation of CVE-2019-5736
# For details see https://bugs.launchpad.net/apparmor/+bug/1820344
/ ix,
/bin/runc ixr,
/pause ixr,
/bin/busybox ixr,
# When kubernetes drives containerd, containerd needs access to CNI services,
# like flanneld's subnet.env for DNS. This would ideally be snap-specific (it
# could if the control plane was a snap), but in deployments where the control
# plane is not a snap, it will tell flannel to use this path.
/run/flannel/{,**} rk,
# When kubernetes drives containerd, containerd needs access to various
# secrets for the pods which are overlayed at /run/secrets/....
# This would ideally be snap-specific (it could if the control plane was a
# snap), but in deployments where the control plane is not a snap, it will tell
# containerd to use this path for various account information for pods.
/run/secrets/kubernetes.io/{,**} rk,
# Allow using the 'autobind' feature of bind() (eg, for journald via go-systemd)
# unix (bind) type=dgram addr=auto,
# TODO: when snapd vendors in AppArmor userspace, then enable the new syntax
# above which allows only "empty"/automatic addresses, for now we simply permit
# all addresses with SOCK_DGRAM type, which leaks info for other addresses than
# what docker tries to use
# see https://bugs.launchpad.net/snapd/+bug/1867216
unix (bind) type=dgram,
# With cgroup v2, docker uses the systemd driver to run the containers,
# which requires dockerd to talk to systemd over system bus.
dbus (send)
bus=system
path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.Manager
member={StartTransientUnit,KillUnit,StopUnit,ResetFailedUnit,SetUnitProperties}
peer=(name=org.freedesktop.systemd1,label=unconfined),
dbus (receive)
bus=system
path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.Manager
member=JobRemoved
peer=(label=unconfined),
dbus (send)
bus=system
interface=org.freedesktop.DBus.Properties
path=/org/freedesktop/systemd1
member=Get{,All}
peer=(name=org.freedesktop.systemd1,label=unconfined),
`
const dockerSupportPrivilegedAppArmor = `
# Description: allow docker daemon to run privileged containers. This gives
# full access to all resources on the system and thus gives device ownership to
# connected snaps.
# These rules are here to allow Docker to launch unconfined containers but
# allow the docker daemon itself to go unconfined. Since it runs as root, this
# grants device ownership.
# TODO: When we drop support for executing other snaps from devmode snaps (or
# when the AppArmor parser bugs are fixed) this can go back to the much simpler
# rule:
# change_profile unsafe /**,
# but until then we need this set of rules to avoid exec transition conflicts.
# See also the comment above the "change_profile unsafe /** -> docker-default,"
# rule for more context.
change_profile unsafe /[^s]**,
change_profile unsafe /s[^n]**,
change_profile unsafe /sn[^a]**,
change_profile unsafe /sna[^p]**,
change_profile unsafe /snap[^/]**,
change_profile unsafe /snap/[^sc]**,
change_profile unsafe /snap/{s[^n],c[^o]}**,
change_profile unsafe /snap/{sn[^a],co[^r]}**,
change_profile unsafe /snap/{sna[^p],cor[^e]}**,
# branch for the /snap/core/... paths
change_profile unsafe /snap/core[^/]**,
change_profile unsafe /snap/core/*/[^u]**,
change_profile unsafe /snap/core/*/u[^s]**,
change_profile unsafe /snap/core/*/us[^r]**,
change_profile unsafe /snap/core/*/usr[^/]**,
change_profile unsafe /snap/core/*/usr/[^l]**,
change_profile unsafe /snap/core/*/usr/l[^i]**,
change_profile unsafe /snap/core/*/usr/li[^b]**,
change_profile unsafe /snap/core/*/usr/lib[^/]**,
change_profile unsafe /snap/core/*/usr/lib/[^s]**,
change_profile unsafe /snap/core/*/usr/lib/s[^n]**,
change_profile unsafe /snap/core/*/usr/lib/sn[^a]**,
change_profile unsafe /snap/core/*/usr/lib/sna[^p]**,
change_profile unsafe /snap/core/*/usr/lib/snap[^d]**,
change_profile unsafe /snap/core/*/usr/lib/snapd[^/]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/[^s]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/s[^n]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/sn[^a]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/sna[^p]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap[^-]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-[^c]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-c[^o]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-co[^n]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-con[^f]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-conf[^i]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confi[^n]**,
change_profile unsafe /snap/core/*/usr/lib/snapd/snap-confin[^e]**,
# branch for the /snap/snapd/... paths
change_profile unsafe /snap/snap[^d]**,
change_profile unsafe /snap/snapd[^/]**,
change_profile unsafe /snap/snapd/*/[^u]**,
change_profile unsafe /snap/snapd/*/u[^s]**,
change_profile unsafe /snap/snapd/*/us[^r]**,
change_profile unsafe /snap/snapd/*/usr[^/]**,
change_profile unsafe /snap/snapd/*/usr/[^l]**,
change_profile unsafe /snap/snapd/*/usr/l[^i]**,
change_profile unsafe /snap/snapd/*/usr/li[^b]**,
change_profile unsafe /snap/snapd/*/usr/lib[^/]**,
change_profile unsafe /snap/snapd/*/usr/lib/[^s]**,
change_profile unsafe /snap/snapd/*/usr/lib/s[^n]**,
change_profile unsafe /snap/snapd/*/usr/lib/sn[^a]**,
change_profile unsafe /snap/snapd/*/usr/lib/sna[^p]**,
change_profile unsafe /snap/snapd/*/usr/lib/snap[^d]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd[^/]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/[^s]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/s[^n]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sn[^a]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/sna[^p]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap[^-]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-[^c]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-c[^o]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-co[^n]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-con[^f]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-conf[^i]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confi[^n]**,
change_profile unsafe /snap/snapd/*/usr/lib/snapd/snap-confin[^e]**,
# allow signaling and tracing any unconfined process since if containers are
# launched without confinement docker still needs to trace them
signal (send) peer=unconfined,
ptrace (read, trace) peer=unconfined,
# This grants raw access to device files and thus device ownership
/dev/** mrwkl,
@{PROC}/** mrwkl,
# When kubernetes drives docker/containerd, it creates and runs files in the
# container at arbitrary locations (eg, via pivot_root).
# Allow any file except for executing /snap/{snapd,core}/*/usr/lib/snapd/snap-confine
# because in devmode confinement we will have a separate "x" transition on exec
# rule that is in the policy that will overlap and thus conflict with this rule.
# TODO: When we drop support for executing other snaps from devmode snaps (or
# when the AppArmor parser bugs are fixed) this can go back to the much simpler
# rule:
# /** rwlix,
# but until then we need this set of rules to avoid exec transition conflicts.
# See also the comment above the "change_profile unsafe /** -> docker-default,"
# rule for more context.
/[^s]** rwlix,
/s[^n]** rwlix,
/sn[^a]** rwlix,
/sna[^p]** rwlix,
/snap[^/]** rwlix,
/snap/[^sc]** rwlix,
/snap/{s[^n],c[^o]}** rwlix,
/snap/{sn[^a],co[^r]}** rwlix,
/snap/{sna[^p],cor[^e]}** rwlix,
# branch for the /snap/core/... paths
/snap/core[^/]** rwlix,
/snap/core/*/[^u]** rwlix,
/snap/core/*/u[^s]** rwlix,
/snap/core/*/us[^r]** rwlix,
/snap/core/*/usr[^/]** rwlix,
/snap/core/*/usr/[^l]** rwlix,
/snap/core/*/usr/l[^i]** rwlix,
/snap/core/*/usr/li[^b]** rwlix,
/snap/core/*/usr/lib[^/]** rwlix,
/snap/core/*/usr/lib/[^s]** rwlix,
/snap/core/*/usr/lib/s[^n]** rwlix,
/snap/core/*/usr/lib/sn[^a]** rwlix,
/snap/core/*/usr/lib/sna[^p]** rwlix,
/snap/core/*/usr/lib/snap[^d]** rwlix,
/snap/core/*/usr/lib/snapd[^/]** rwlix,
/snap/core/*/usr/lib/snapd/[^s]** rwlix,
/snap/core/*/usr/lib/snapd/s[^n]** rwlix,
/snap/core/*/usr/lib/snapd/sn[^a]** rwlix,
/snap/core/*/usr/lib/snapd/sna[^p]** rwlix,
/snap/core/*/usr/lib/snapd/snap[^-]** rwlix,
/snap/core/*/usr/lib/snapd/snap-[^c]** rwlix,
/snap/core/*/usr/lib/snapd/snap-c[^o]** rwlix,
/snap/core/*/usr/lib/snapd/snap-co[^n]** rwlix,
/snap/core/*/usr/lib/snapd/snap-con[^f]** rwlix,
/snap/core/*/usr/lib/snapd/snap-conf[^i]** rwlix,
/snap/core/*/usr/lib/snapd/snap-confi[^n]** rwlix,
/snap/core/*/usr/lib/snapd/snap-confin[^e]** rwlix,
# branch for the /snap/snapd/... paths
/snap/snap[^d]** rwlix,
/snap/snapd[^/]** rwlix,
/snap/snapd/*/[^u]** rwlix,
/snap/snapd/*/u[^s]** rwlix,
/snap/snapd/*/us[^r]** rwlix,
/snap/snapd/*/usr[^/]** rwlix,
/snap/snapd/*/usr/[^l]** rwlix,
/snap/snapd/*/usr/l[^i]** rwlix,
/snap/snapd/*/usr/li[^b]** rwlix,
/snap/snapd/*/usr/lib[^/]** rwlix,
/snap/snapd/*/usr/lib/[^s]** rwlix,
/snap/snapd/*/usr/lib/s[^n]** rwlix,
/snap/snapd/*/usr/lib/sn[^a]** rwlix,
/snap/snapd/*/usr/lib/sna[^p]** rwlix,
/snap/snapd/*/usr/lib/snap[^d]** rwlix,
/snap/snapd/*/usr/lib/snapd[^/]** rwlix,
/snap/snapd/*/usr/lib/snapd/[^s]** rwlix,
/snap/snapd/*/usr/lib/snapd/s[^n]** rwlix,
/snap/snapd/*/usr/lib/snapd/sn[^a]** rwlix,
/snap/snapd/*/usr/lib/snapd/sna[^p]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap[^-]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-[^c]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-c[^o]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-co[^n]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-con[^f]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-conf[^i]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-confi[^n]** rwlix,
/snap/snapd/*/usr/lib/snapd/snap-confin[^e]** rwlix,
`
// Generate profile to compare with
privilegedProfile := dockerSupportPrivilegedAppArmor + dockerSupportConnectedPlugAppArmor
if (apparmor_sandbox.ProbedLevel() != apparmor_sandbox.Partial) && (apparmor_sandbox.ProbedLevel() != apparmor_sandbox.Full) {
c.Skip(apparmor_sandbox.Summary())
}
// if apparmor supports userns mediation then add this too
features, err := apparmor_sandbox.ParserFeatures()
c.Assert(err, IsNil)
if strutil.ListContains(features, "userns") {
privilegedProfile += dockerSupportConnectedPlugAppArmorUserNS
}
// if apparmor supports mqueue mediation then add this too
if strutil.ListContains(features, "mqueue") {
privilegedProfile += dockerSupportConnectedPlugAppArmorMqueue
}
// Profile existing profile
expectedHash, err := testutil.AppArmorParseAndHashHelper("#include <tunables/global> \nprofile docker_support {" + privilegedProfile + "}")
if errors.Is(err, exec.ErrNotFound) {
c.Skip(err.Error())
}
c.Assert(err, IsNil)
// Profile generated using GenerateAAREExclusionPatterns
appSet, err := interfaces.NewSnapAppSet(s.privContainersPlug.Snap(), nil)
c.Assert(err, IsNil)
apparmorSpec := apparmor.NewSpecification(appSet)
c.Assert(apparmorSpec.AddConnectedPlug(s.iface, s.privContainersPlug, s.slot), IsNil)
c.Assert(apparmorSpec.SecurityTags(), DeepEquals, []string{"snap.docker.app"})
resHash, err := testutil.AppArmorParseAndHashHelper("#include <tunables/global> \nprofile docker_support {" + apparmorSpec.SnippetForTag("snap.docker.app") + "}")
c.Assert(err, IsNil)
comment := Commentf("Apparmor rules generated by GenerateAAREExclusionPatterns doesn't match the expected profile")
c.Assert(resHash, Equals, expectedHash, comment)
}
|