From 4d8a83b428ce40f36e140f1d8ffe33ccc8e12d19 Mon Sep 17 00:00:00 2001 From: Davanum Srinivas Date: Thu, 16 Jul 2026 08:10:50 +0530 Subject: [PATCH] Update dependencies used by sig-node This change updates four dependencies: - github.com/containerd/containerd/api from v1.11.0 to v1.11.1 - github.com/cyphar/filepath-securejoin from v0.6.1 to v0.7.0 - github.com/opencontainers/cgroups from v0.0.6 to v0.0.7 - github.com/opencontainers/selinux from v1.13.1 to v1.15.1 The new filepath-securejoin release requires a newer version of cyphar.com/go-pathrs, so that module also moves from v0.2.2 to v0.2.5. The file hack/unwanted-dependencies.json did not need any changes. Signed-off-by: Davanum Srinivas --- go.mod | 10 +- go.sum | 20 +- vendor/cyphar.com/go-pathrs/.golangci.yml | 2 +- vendor/cyphar.com/go-pathrs/doc.go | 2 +- vendor/cyphar.com/go-pathrs/handle_linux.go | 10 +- .../go-pathrs/internal/fdutils/fd_linux.go | 2 +- .../internal/libpathrs/error_unix.go | 2 +- .../internal/libpathrs/libpathrs_linux.go | 82 ++- .../go-pathrs/procfs/procfs_linux.go | 17 +- vendor/cyphar.com/go-pathrs/root_linux.go | 56 +- vendor/cyphar.com/go-pathrs/utils_linux.go | 2 +- vendor/cyphar.com/go-pathrs/version_linux.go | 27 + .../api/services/tasks/v1/tasks.pb.go | 511 +++++++++-------- .../api/services/tasks/v1/tasks.proto | 10 + .../cyphar/filepath-securejoin/CHANGELOG.md | 11 + .../cyphar/filepath-securejoin/VERSION | 2 +- .../pathrs-lite/open_libpathrs.go | 2 +- .../cgroups/.golangci-extra.yml | 8 + .../opencontainers/cgroups/CODEOWNERS | 2 +- .../opencontainers/cgroups/cgroups.go | 3 + .../opencontainers/cgroups/config_linux.go | 76 +-- .../opencontainers/cgroups/config_rdma.go | 4 +- .../cgroups/devices/config/device.go | 4 +- .../opencontainers/cgroups/fs/blkio.go | 5 + .../opencontainers/cgroups/fs/cpu.go | 5 + .../opencontainers/cgroups/fs/cpuacct.go | 7 +- .../opencontainers/cgroups/fs/cpuset.go | 7 +- .../opencontainers/cgroups/fs/devices.go | 6 + .../opencontainers/cgroups/fs/freezer.go | 6 + .../opencontainers/cgroups/fs/fs.go | 22 +- .../opencontainers/cgroups/fs/hugetlb.go | 5 + .../opencontainers/cgroups/fs/memory.go | 5 + .../opencontainers/cgroups/fs/name.go | 6 + .../opencontainers/cgroups/fs/net_cls.go | 6 + .../opencontainers/cgroups/fs/net_prio.go | 6 + .../opencontainers/cgroups/fs/perf_event.go | 6 + .../opencontainers/cgroups/fs/pids.go | 5 + .../opencontainers/cgroups/fs/rdma.go | 5 + .../opencontainers/cgroups/fs2/create.go | 5 +- .../opencontainers/cgroups/fs2/fs2.go | 87 ++- .../opencontainers/cgroups/fscommon/utils.go | 3 +- .../opencontainers/cgroups/stats.go | 164 +++--- .../opencontainers/cgroups/systemd/common.go | 2 +- .../opencontainers/cgroups/systemd/cpuset.go | 2 +- .../opencontainers/cgroups/systemd/v1.go | 22 +- .../opencontainers/cgroups/systemd/v2.go | 5 + .../opencontainers/cgroups/utils.go | 2 +- .../opencontainers/cgroups/v1_utils.go | 2 +- .../selinux/go-selinux/label/label_linux.go | 109 ++-- .../selinux/go-selinux/label/label_stub.go | 1 - .../selinux/go-selinux/selinux.go | 102 +++- .../selinux/go-selinux/selinux_linux.go | 535 ++++++++++++------ .../selinux/go-selinux/selinux_stub.go | 38 +- .../selinux/pkg/pwalkdir/pwalkdir.go | 5 +- vendor/modules.txt | 14 +- 55 files changed, 1308 insertions(+), 757 deletions(-) create mode 100644 vendor/cyphar.com/go-pathrs/version_linux.go diff --git a/go.mod b/go.mod index 7d20d2f97b7..e9b1ed2d39d 100644 --- a/go.mod +++ b/go.mod @@ -21,7 +21,7 @@ require ( github.com/coreos/go-oidc v2.5.0+incompatible github.com/coreos/go-systemd/v22 v22.7.0 github.com/cpuguy83/go-md2man/v2 v2.0.6 - github.com/cyphar/filepath-securejoin v0.6.1 + github.com/cyphar/filepath-securejoin v0.7.0 github.com/distribution/reference v0.6.0 github.com/docker/go-units v0.5.0 github.com/emicklei/go-restful/v3 v3.13.0 @@ -42,8 +42,8 @@ require ( github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 github.com/onsi/ginkgo/v2 v2.32.0 github.com/onsi/gomega v1.40.0 - github.com/opencontainers/cgroups v0.0.6 - github.com/opencontainers/selinux v1.13.1 + github.com/opencontainers/cgroups v0.0.7 + github.com/opencontainers/selinux v1.15.1 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 github.com/prometheus/client_model v0.6.2 github.com/prometheus/common v0.67.5 @@ -125,7 +125,7 @@ require ( require ( cel.dev/expr v0.25.1 // indirect - cyphar.com/go-pathrs v0.2.2 // indirect + cyphar.com/go-pathrs v0.2.5 // indirect github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect github.com/MakeNowJust/heredoc v1.0.0 // indirect github.com/Masterminds/semver/v3 v3.4.0 // indirect @@ -135,7 +135,7 @@ require ( github.com/cenkalti/backoff/v5 v5.0.3 // indirect github.com/cespare/xxhash/v2 v2.3.0 // indirect github.com/chai2010/gettext-go v1.0.2 // indirect - github.com/containerd/containerd/api v1.11.0 // indirect + github.com/containerd/containerd/api v1.11.1 // indirect github.com/containerd/log v0.1.0 // indirect github.com/containerd/ttrpc v1.2.9 // indirect github.com/coredns/caddy v1.1.1 // indirect diff --git a/go.sum b/go.sum index 0df69a500a4..bbada28c995 100644 --- a/go.sum +++ b/go.sum @@ -5,8 +5,8 @@ buf.build/go/protovalidate v0.12.0/go.mod h1:q3PFfbzI05LeqxSwq+begW2syjy2Z6hLxZS cel.dev/expr v0.25.1 h1:1KrZg61W6TWSxuNZ37Xy49ps13NUovb66QLprthtwi4= cel.dev/expr v0.25.1/go.mod h1:hrXvqGP6G6gyx8UAHSHJ5RGk//1Oj5nXQ2NI02Nrsg4= cloud.google.com/go/compute/metadata v0.9.0/go.mod h1:E0bWwX5wTnLPedCKqk3pJmVgCBSM6qQI1yTBdEb3C10= -cyphar.com/go-pathrs v0.2.2 h1:y9w7hxbkr3zEL78Fjzeg4HEhs2xNy+fbwHiHGJJY2Xo= -cyphar.com/go-pathrs v0.2.2/go.mod h1:y8f1EMG7r+hCuFf/rXsKqMJrJAUoADZGNh5/vZPKcGc= +cyphar.com/go-pathrs v0.2.5 h1:SnX9FBvnoyn3lUs1dkMgZ52bAETpirNu3FTRh5HlRik= +cyphar.com/go-pathrs v0.2.5/go.mod h1:y8f1EMG7r+hCuFf/rXsKqMJrJAUoADZGNh5/vZPKcGc= github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg= github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E= github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.31.0/go.mod h1:P4WPRUkOhJC13W//jWpyfJNDAIpvRbAUIYLX/4jtlE0= @@ -47,8 +47,8 @@ github.com/cockroachdb/datadriven v1.0.2 h1:H9MtNqVoVhvd9nCBwOyDjUEdZCREqbIdCJD9 github.com/cockroachdb/datadriven v1.0.2/go.mod h1:a9RdTaap04u637JoCzcUoIcDmvwSUtcUFtT/C3kJlTU= github.com/container-storage-interface/spec v1.9.0 h1:zKtX4STsq31Knz3gciCYCi1SXtO2HJDecIjDVboYavY= github.com/container-storage-interface/spec v1.9.0/go.mod h1:ZfDu+3ZRyeVqxZM0Ds19MVLkN2d1XJ5MAfi1L3VjlT0= -github.com/containerd/containerd/api v1.11.0 h1:smv4e74S/wwIx0Sj7lhwO1t3M/oi+mSzk2VXqHq8aO0= -github.com/containerd/containerd/api v1.11.0/go.mod h1:CaQFRu+N1MtbgL6JDOJLUB1hCKESU1lD6MuTJhgtdlw= +github.com/containerd/containerd/api v1.11.1 h1:h8nfoDW9+fNsC/9TwiAHj8B1GzXKtR4eFtkhi/X5RLU= +github.com/containerd/containerd/api v1.11.1/go.mod h1:CaQFRu+N1MtbgL6JDOJLUB1hCKESU1lD6MuTJhgtdlw= github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I= github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo= github.com/containerd/ttrpc v1.2.9 h1:ha0ak962T0s3CA/RoZ6S6xiWZQF24GrBaEpiGX1uihg= @@ -69,8 +69,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.6 h1:XJtiaUW6dEEqVuZiMTn1ldk455QWwEIsMIJlo github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g= github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY= github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4= -github.com/cyphar/filepath-securejoin v0.6.1 h1:5CeZ1jPXEiYt3+Z6zqprSAgSWiggmpVyciv8syjIpVE= -github.com/cyphar/filepath-securejoin v0.6.1/go.mod h1:A8hd4EnAeyujCJRrICiOWqjS1AX0a9kM5XL+NwKoYSc= +github.com/cyphar/filepath-securejoin v0.7.0 h1:s0Y3ITPy6sQn5xt54DuYvTF8hu134ooYLUb58DX/HjE= +github.com/cyphar/filepath-securejoin v0.7.0/go.mod h1:ymLGms/u3BYaviIiuKFnUx8EkQEZeK6cInNoAPJA3o4= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= @@ -249,16 +249,16 @@ github.com/onsi/ginkgo/v2 v2.32.0 h1:Hw7s2pVrQo/8Yz5N77qdnpHaoc+c6cC9WIV1Jce+J6E github.com/onsi/ginkgo/v2 v2.32.0/go.mod h1:+aXOY+vzZ5mu2iI2HpTZUPmM//oQfsNFX6gU9kNcA44= github.com/onsi/gomega v1.40.0 h1:Vtol0e1MghCD2ZVIilPDIg44XSL9l2QAn8ZNaljWcJc= github.com/onsi/gomega v1.40.0/go.mod h1:M/Uqpu/8qTjtzCLUA2zJHX9Iilrau25x1PdoSRbWh5A= -github.com/opencontainers/cgroups v0.0.6 h1:tfZFWTIIGaUUFImTyuTg+Mr5x8XRiSdZESgEBW7UxuI= -github.com/opencontainers/cgroups v0.0.6/go.mod h1:oWVzJsKK0gG9SCRBfTpnn16WcGEqDI8PAcpMGbqWxcs= +github.com/opencontainers/cgroups v0.0.7 h1:FqhggFhigAMgKKwy39jweWX3h7Ha6VBF/qNR6Sso3oc= +github.com/opencontainers/cgroups v0.0.7/go.mod h1:hPBRvnBhLZueEN0eJyozMeM3HeFGYlZW9KnO//px6G4= github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U= github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM= github.com/opencontainers/image-spec v1.1.1 h1:y0fUlFfIZhPF1W537XOLg0/fcx6zcHCJwooC2xJA040= github.com/opencontainers/image-spec v1.1.1/go.mod h1:qpqAh3Dmcf36wStyyWU+kCeDgrGnAve2nCC8+7h8Q0M= github.com/opencontainers/runtime-spec v1.3.0 h1:YZupQUdctfhpZy3TM39nN9Ika5CBWT5diQ8ibYCRkxg= github.com/opencontainers/runtime-spec v1.3.0/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= -github.com/opencontainers/selinux v1.13.1 h1:A8nNeceYngH9Ow++M+VVEwJVpdFmrlxsN22F+ISDCJE= -github.com/opencontainers/selinux v1.13.1/go.mod h1:S10WXZ/osk2kWOYKy1x2f/eXF5ZHJoUs8UU/2caNRbg= +github.com/opencontainers/selinux v1.15.1 h1:ERxeh5caJvCzNAKdI8WQbJmB1LDTn4BuaAg8wihLBpA= +github.com/opencontainers/selinux v1.15.1/go.mod h1:LenyElirjUHszfxrjuFqC85HIeXZKumHcKMQtnaDlQQ= github.com/peterbourgon/diskv v2.0.1+incompatible h1:UBdAOUP5p4RWqPBg048CAvpKN+vxiaj6gdUUzhl4XmI= github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU= github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10/go.mod h1:t/avpk3KcrXxUnYOhZhMXJlSEyie6gQbtLq5NM3loB8= diff --git a/vendor/cyphar.com/go-pathrs/.golangci.yml b/vendor/cyphar.com/go-pathrs/.golangci.yml index 2778a3268ef..a28cbd2a4fd 100644 --- a/vendor/cyphar.com/go-pathrs/.golangci.yml +++ b/vendor/cyphar.com/go-pathrs/.golangci.yml @@ -1,8 +1,8 @@ # SPDX-License-Identifier: MPL-2.0 # # libpathrs: safe path resolution on Linux -# Copyright (C) 2019-2025 Aleksa Sarai # Copyright (C) 2019-2025 SUSE LLC +# Copyright (C) 2026 Aleksa Sarai # # This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this diff --git a/vendor/cyphar.com/go-pathrs/doc.go b/vendor/cyphar.com/go-pathrs/doc.go index a7ee4bc487f..c3b4eedd0f8 100644 --- a/vendor/cyphar.com/go-pathrs/doc.go +++ b/vendor/cyphar.com/go-pathrs/doc.go @@ -1,8 +1,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this diff --git a/vendor/cyphar.com/go-pathrs/handle_linux.go b/vendor/cyphar.com/go-pathrs/handle_linux.go index e8442b2b05c..78225e006a7 100644 --- a/vendor/cyphar.com/go-pathrs/handle_linux.go +++ b/vendor/cyphar.com/go-pathrs/handle_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this @@ -17,6 +17,8 @@ import ( "fmt" "os" + "golang.org/x/sys/unix" + "cyphar.com/go-pathrs/internal/fdutils" "cyphar.com/go-pathrs/internal/libpathrs" ) @@ -56,11 +58,11 @@ func HandleFromFile(file *os.File) (*Handle, error) { // and can be opened multiple times. // // The handle returned is only usable for reading, and this is method is -// shorthand for [Handle.OpenFile] with os.O_RDONLY. +// shorthand for [Handle.OpenFile] with [unix.O_RDONLY]. // // TODO: Rename these to "Reopen" or something. func (h *Handle) Open() (*os.File, error) { - return h.OpenFile(os.O_RDONLY) + return h.OpenFile(unix.O_RDONLY) } // OpenFile creates an "upgraded" file handle to the file referenced by the @@ -71,7 +73,7 @@ func (h *Handle) Open() (*os.File, error) { // handle. // // TODO: Rename these to "Reopen" or something. -func (h *Handle) OpenFile(flags int) (*os.File, error) { +func (h *Handle) OpenFile(flags uint64) (*os.File, error) { return fdutils.WithFileFd(h.inner, func(fd uintptr) (*os.File, error) { newFd, err := libpathrs.Reopen(fd, flags) if err != nil { diff --git a/vendor/cyphar.com/go-pathrs/internal/fdutils/fd_linux.go b/vendor/cyphar.com/go-pathrs/internal/fdutils/fd_linux.go index 41aea3e4b3d..418b298149e 100644 --- a/vendor/cyphar.com/go-pathrs/internal/fdutils/fd_linux.go +++ b/vendor/cyphar.com/go-pathrs/internal/fdutils/fd_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this diff --git a/vendor/cyphar.com/go-pathrs/internal/libpathrs/error_unix.go b/vendor/cyphar.com/go-pathrs/internal/libpathrs/error_unix.go index c9f416de01f..8f610ca564e 100644 --- a/vendor/cyphar.com/go-pathrs/internal/libpathrs/error_unix.go +++ b/vendor/cyphar.com/go-pathrs/internal/libpathrs/error_unix.go @@ -5,8 +5,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this diff --git a/vendor/cyphar.com/go-pathrs/internal/libpathrs/libpathrs_linux.go b/vendor/cyphar.com/go-pathrs/internal/libpathrs/libpathrs_linux.go index c07b80e3071..d610a3be439 100644 --- a/vendor/cyphar.com/go-pathrs/internal/libpathrs/libpathrs_linux.go +++ b/vendor/cyphar.com/go-pathrs/internal/libpathrs/libpathrs_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this @@ -60,8 +60,8 @@ func OpenRoot(path string) (uintptr, error) { } // Reopen wraps pathrs_reopen. -func Reopen(fd uintptr, flags int) (uintptr, error) { - newFd := C.pathrs_reopen(C.int(fd), C.int(flags)) +func Reopen(fd uintptr, flags uint64) (uintptr, error) { + newFd := C.pathrs_reopen(C.int(fd), C.uint64_t(flags)) return uintptr(newFd), fetchError(newFd) } @@ -84,11 +84,11 @@ func InRootResolveNoFollow(rootFd uintptr, path string) (uintptr, error) { } // InRootOpen wraps pathrs_inroot_open. -func InRootOpen(rootFd uintptr, path string, flags int) (uintptr, error) { +func InRootOpen(rootFd uintptr, path string, flags uint64) (uintptr, error) { cPath := C.CString(path) defer C.free(unsafe.Pointer(cPath)) - fd := C.pathrs_inroot_open(C.int(rootFd), cPath, C.int(flags)) + fd := C.pathrs_inroot_open(C.int(rootFd), cPath, C.uint64_t(flags)) return uintptr(fd), fetchError(fd) } @@ -100,7 +100,7 @@ func InRootReadlink(rootFd uintptr, path string) (string, error) { size := 128 for { linkBuf := make([]byte, size) - n := C.pathrs_inroot_readlink(C.int(rootFd), cPath, C.cast_ptr(unsafe.Pointer(&linkBuf[0])), C.ulong(len(linkBuf))) + n := C.pathrs_inroot_readlink(C.int(rootFd), cPath, C.cast_ptr(unsafe.Pointer(&linkBuf[0])), C.size_t(len(linkBuf))) switch { case int(n) < C.__PATHRS_MAX_ERR_VALUE: return "", fetchError(n) @@ -145,23 +145,23 @@ func InRootRemoveAll(rootFd uintptr, path string) error { } // InRootCreat wraps pathrs_inroot_creat. -func InRootCreat(rootFd uintptr, path string, flags int, mode uint32) (uintptr, error) { +func InRootCreat(rootFd uintptr, path string, flags uint64, mode uint32) (uintptr, error) { cPath := C.CString(path) defer C.free(unsafe.Pointer(cPath)) - fd := C.pathrs_inroot_creat(C.int(rootFd), cPath, C.int(flags), C.uint(mode)) + fd := C.pathrs_inroot_creat(C.int(rootFd), cPath, C.uint64_t(flags), C.uint(mode)) return uintptr(fd), fetchError(fd) } // InRootRename wraps pathrs_inroot_rename. -func InRootRename(rootFd uintptr, src, dst string, flags uint) error { - cSrc := C.CString(src) - defer C.free(unsafe.Pointer(cSrc)) +func InRootRename(oldRootFd uintptr, oldPath string, newRootFd uintptr, newPath string, flags uint64) error { + cOldPath := C.CString(oldPath) + defer C.free(unsafe.Pointer(cOldPath)) - cDst := C.CString(dst) - defer C.free(unsafe.Pointer(cDst)) + cNewPath := C.CString(newPath) + defer C.free(unsafe.Pointer(cNewPath)) - err := C.pathrs_inroot_rename(C.int(rootFd), cSrc, cDst, C.uint(flags)) + err := C.pathrs_inroot_rename(C.int(oldRootFd), cOldPath, C.int(newRootFd), cNewPath, C.uint64_t(flags)) return fetchError(err) } @@ -193,26 +193,26 @@ func InRootMknod(rootFd uintptr, path string, mode uint32, dev uint64) error { } // InRootSymlink wraps pathrs_inroot_symlink. -func InRootSymlink(rootFd uintptr, path, target string) error { - cPath := C.CString(path) - defer C.free(unsafe.Pointer(cPath)) +func InRootSymlink(target string, rootFd uintptr, linkpath string) error { + cLinkpath := C.CString(linkpath) + defer C.free(unsafe.Pointer(cLinkpath)) cTarget := C.CString(target) defer C.free(unsafe.Pointer(cTarget)) - err := C.pathrs_inroot_symlink(C.int(rootFd), cPath, cTarget) + err := C.pathrs_inroot_symlink(cTarget, C.int(rootFd), cLinkpath) return fetchError(err) } // InRootHardlink wraps pathrs_inroot_hardlink. -func InRootHardlink(rootFd uintptr, path, target string) error { - cPath := C.CString(path) - defer C.free(unsafe.Pointer(cPath)) +func InRootHardlink(oldRootFd uintptr, oldPath string, newRootFd uintptr, newPath string, flags uint64) error { + cNewPath := C.CString(newPath) + defer C.free(unsafe.Pointer(cNewPath)) - cTarget := C.CString(target) - defer C.free(unsafe.Pointer(cTarget)) + cOldPath := C.CString(oldPath) + defer C.free(unsafe.Pointer(cOldPath)) - err := C.pathrs_inroot_hardlink(C.int(rootFd), cPath, cTarget) + err := C.pathrs_inroot_hardlink(C.int(oldRootFd), cOldPath, C.int(newRootFd), cNewPath, C.uint64_t(flags)) return fetchError(err) } @@ -277,13 +277,13 @@ func init() { func ProcPid(pid uint32) ProcBase { return ProcBaseTypePid | ProcBase(pid) } // ProcOpenat wraps pathrs_proc_openat. -func ProcOpenat(procRootFd int, base ProcBase, path string, flags int) (uintptr, error) { +func ProcOpenat(procRootFd int, base ProcBase, path string, flags uint64) (uintptr, error) { cBase := C.pathrs_proc_base_t(base) cPath := C.CString(path) defer C.free(unsafe.Pointer(cPath)) - fd := C.pathrs_proc_openat(C.int(procRootFd), cBase, cPath, C.int(flags)) + fd := C.pathrs_proc_openat(C.int(procRootFd), cBase, cPath, C.uint64_t(flags)) return uintptr(fd), fetchError(fd) } @@ -301,7 +301,7 @@ func ProcReadlinkat(procRootFd int, base ProcBase, path string) (string, error) linkBuf := make([]byte, size) n := C.pathrs_proc_readlinkat( C.int(procRootFd), cBase, cPath, - C.cast_ptr(unsafe.Pointer(&linkBuf[0])), C.ulong(len(linkBuf))) + C.cast_ptr(unsafe.Pointer(&linkBuf[0])), C.size_t(len(linkBuf))) switch { case int(n) < C.__PATHRS_MAX_ERR_VALUE: return "", fetchError(n) @@ -335,3 +335,31 @@ func ProcfsOpen(how *ProcfsOpenHow) (uintptr, error) { fd := C.pathrs_procfs_open((*C.pathrs_procfs_open_how)(how), C.size_t(unsafe.Sizeof(*how))) return uintptr(fd), fetchError(fd) } + +// VersionInfo is a Go-friendly form of pathrs_version_info_t (struct). +type VersionInfo struct { + VersionString string +} + +// versionInfo is pathrs_version_info_t (struct). +type versionInfo C.pathrs_version_info_t + +// Version is pathrs_version_info_t (sizeof(version) is passed automatically). +func Version() (*VersionInfo, error) { + var rawVersion versionInfo + size := C.pathrs_version((*C.pathrs_version_info_t)(&rawVersion), C.size_t(unsafe.Sizeof(rawVersion))) + switch { + case size < 0: + return nil, fetchError(size) + case size > 0: + // TODO(log): Logging? + fallthrough + default: + // TODO(log): Add a log statement if sizeof(rawVersion) is bigger than + // the number of fields we store in VersionInfo. Otherwise a rebuild + // will mask that Go callers cannot see any new fields. + return &VersionInfo{ + VersionString: C.GoString(rawVersion.version_string), + }, nil + } +} diff --git a/vendor/cyphar.com/go-pathrs/procfs/procfs_linux.go b/vendor/cyphar.com/go-pathrs/procfs/procfs_linux.go index da97078f1fa..6a3142646f3 100644 --- a/vendor/cyphar.com/go-pathrs/procfs/procfs_linux.go +++ b/vendor/cyphar.com/go-pathrs/procfs/procfs_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this @@ -56,10 +56,11 @@ var ( // *before* you call wait(2)or any equivalent method that could reap // zombies). func ProcPid(pid int) ProcBase { - if pid < 0 || pid >= 1<<31 { + if pid < 0 || uint64(pid) >= 1<<31 { panic("invalid ProcBasePid value") // TODO: should this be an error? } - return ProcBase{inner: libpathrs.ProcPid(uint32(pid))} + pid32 := uint32(pid) //nolint:gosec // G115 false positive + return ProcBase{inner: libpathrs.ProcPid(pid32)} } // ThreadCloser is a callback that needs to be called when you are done @@ -126,7 +127,7 @@ func (proc *Handle) fd() int { } // TODO: Should we expose open? -func (proc *Handle) open(base ProcBase, path string, flags int) (_ *os.File, Closer ThreadCloser, Err error) { +func (proc *Handle) open(base ProcBase, path string, flags uint64) (_ *os.File, Closer ThreadCloser, Err error) { var closer ThreadCloser if base == ProcThreadSelf { runtime.LockOSThread() @@ -153,7 +154,7 @@ func (proc *Handle) open(base ProcBase, path string, flags int) (_ *os.File, Clo // (such as /proc/cpuinfo) or information about other processes (such as // /proc/1). Accessing your own process information should be done using // [Handle.OpenSelf] or [Handle.OpenThreadSelf]. -func (proc *Handle) OpenRoot(path string, flags int) (*os.File, error) { +func (proc *Handle) OpenRoot(path string, flags uint64) (*os.File, error) { file, closer, err := proc.open(ProcRoot, path, flags) if closer != nil { // should not happen @@ -179,7 +180,7 @@ func (proc *Handle) OpenRoot(path string, flags int) (*os.File, error) { // Unlike [Handle.OpenThreadSelf], this method does not involve locking // the goroutine to the current OS thread and so is simpler to use and // theoretically has slightly less overhead. -func (proc *Handle) OpenSelf(path string, flags int) (*os.File, error) { +func (proc *Handle) OpenSelf(path string, flags uint64) (*os.File, error) { file, closer, err := proc.open(ProcSelf, path, flags) if closer != nil { // should not happen @@ -197,7 +198,7 @@ func (proc *Handle) OpenSelf(path string, flags int) (*os.File, error) { // Be aware that due to PID recycling, using this is generally not safe except // in certain circumstances. See the documentation of [ProcPid] for more // details. -func (proc *Handle) OpenPid(pid int, path string, flags int) (*os.File, error) { +func (proc *Handle) OpenPid(pid int, path string, flags uint64) (*os.File, error) { file, closer, err := proc.open(ProcPid(pid), path, flags) if closer != nil { // should not happen @@ -224,7 +225,7 @@ func (proc *Handle) OpenPid(pid int, path string, flags int) (*os.File, error) { // callback MUST be called AFTER you have finished using the returned // [os.File]. This callback is completely separate to [os.File.Close], so it // must be called regardless of how you close the handle. -func (proc *Handle) OpenThreadSelf(path string, flags int) (*os.File, ThreadCloser, error) { +func (proc *Handle) OpenThreadSelf(path string, flags uint64) (*os.File, ThreadCloser, error) { return proc.open(ProcThreadSelf, path, flags) } diff --git a/vendor/cyphar.com/go-pathrs/root_linux.go b/vendor/cyphar.com/go-pathrs/root_linux.go index b1cfd4e3292..4741a24a460 100644 --- a/vendor/cyphar.com/go-pathrs/root_linux.go +++ b/vendor/cyphar.com/go-pathrs/root_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this @@ -19,6 +19,8 @@ import ( "os" "syscall" + "golang.org/x/sys/unix" + "cyphar.com/go-pathrs/internal/fdutils" "cyphar.com/go-pathrs/internal/libpathrs" ) @@ -27,7 +29,7 @@ import ( // purpose of this "root handle" is to perform operations within the directory // tree, or to get a [Handle] to inodes within the directory tree. // -// At time of writing, it is considered a *VERY BAD IDEA* to open a [Root] +// At time of writing, it is considered a *VERY BAD IDEA* to open a Root // inside a possibly-attacker-controlled directory tree. While we do have // protections that should defend against it, it's far more dangerous than just // opening a directory tree which is not inside a potentially-untrusted @@ -68,7 +70,7 @@ func RootFromFile(file *os.File) (*Root, error) { // // All symlinks (including trailing symlinks) are followed, but they are // resolved within the rootfs. If you wish to open a handle to the symlink -// itself, use [ResolveNoFollow]. +// itself, use [Root.ResolveNoFollow]. func (r *Root) Resolve(path string) (*Handle, error) { return fdutils.WithFileFd(r.inner, func(rootFd uintptr) (*Handle, error) { handleFd, err := libpathrs.InRootResolve(rootFd, path) @@ -83,10 +85,10 @@ func (r *Root) Resolve(path string) (*Handle, error) { }) } -// ResolveNoFollow is effectively an O_NOFOLLOW version of [Resolve]. Their -// behaviour is identical, except that *trailing* symlinks will not be -// followed. If the final component is a trailing symlink, an O_PATH|O_NOFOLLOW -// handle to the symlink itself is returned. +// ResolveNoFollow is effectively an [unix.O_NOFOLLOW] version of +// [Root.Resolve]. Their behaviour is identical, except that *trailing* +// symlinks will not be followed. If the final component is a trailing symlink, +// an [unix.O_PATH]|[unix.O_NOFOLLOW] handle to the symlink itself is returned. func (r *Root) ResolveNoFollow(path string) (*Handle, error) { return fdutils.WithFileFd(r.inner, func(rootFd uintptr) (*Handle, error) { handleFd, err := libpathrs.InRootResolveNoFollow(rootFd, path) @@ -101,29 +103,29 @@ func (r *Root) ResolveNoFollow(path string) (*Handle, error) { }) } -// Open is effectively shorthand for [Resolve] followed by [Handle.Open], but -// can be slightly more efficient (it reduces CGo overhead and the number of -// syscalls used when using the openat2-based resolver) and is arguably more +// Open is effectively shorthand for [Root.Resolve] followed by [Handle.Open], +// but can be slightly more efficient (it reduces CGo overhead and the number +// of syscalls used when using the openat2-based resolver) and is arguably more // ergonomic to use. // // This is effectively equivalent to [os.Open]. func (r *Root) Open(path string) (*os.File, error) { - return r.OpenFile(path, os.O_RDONLY) + return r.OpenFile(path, unix.O_RDONLY) } -// OpenFile is effectively shorthand for [Resolve] followed by +// OpenFile is effectively shorthand for [Root.Resolve] followed by // [Handle.OpenFile], but can be slightly more efficient (it reduces CGo // overhead and the number of syscalls used when using the openat2-based // resolver) and is arguably more ergonomic to use. // -// However, if flags contains os.O_NOFOLLOW and the path is a symlink, then +// However, if flags contains [unix.O_NOFOLLOW] and the path is a symlink, then // OpenFile's behaviour will match that of openat2. In most cases an error will -// be returned, but if os.O_PATH is provided along with os.O_NOFOLLOW then a -// file equivalent to [ResolveNoFollow] will be returned instead. +// be returned, but if [unix.O_PATH] is provided along with [unix.O_NOFOLLOW] +// then a file equivalent to [Root.ResolveNoFollow] will be returned instead. // -// This is effectively equivalent to [os.OpenFile], except that os.O_CREAT is -// not supported. -func (r *Root) OpenFile(path string, flags int) (*os.File, error) { +// This is effectively equivalent to [os.OpenFile], except that [unix.O_CREAT] +// is not supported. +func (r *Root) OpenFile(path string, flags uint64) (*os.File, error) { return fdutils.WithFileFd(r.inner, func(rootFd uintptr) (*os.File, error) { fd, err := libpathrs.InRootOpen(rootFd, path, flags) if err != nil { @@ -139,7 +141,7 @@ func (r *Root) OpenFile(path string, flags int) (*os.File, error) { // // Unlike [os.Create], if the file already exists an error is created rather // than the file being opened and truncated. -func (r *Root) Create(path string, flags int, mode os.FileMode) (*os.File, error) { +func (r *Root) Create(path string, flags uint64, mode os.FileMode) (*os.File, error) { unixMode, err := toUnixMode(mode, false) if err != nil { return nil, err @@ -155,9 +157,9 @@ func (r *Root) Create(path string, flags int, mode os.FileMode) (*os.File, error // Rename two paths within a [Root]'s directory tree. The flags argument is // identical to the RENAME_* flags to the renameat2(2) system call. -func (r *Root) Rename(src, dst string, flags uint) error { +func (r *Root) Rename(src, dst string, flags uint64) error { _, err := fdutils.WithFileFd(r.inner, func(rootFd uintptr) (struct{}, error) { - err := libpathrs.InRootRename(rootFd, src, dst, flags) + err := libpathrs.InRootRename(rootFd, src, rootFd, dst, flags) return struct{}{}, err }) return err @@ -277,26 +279,26 @@ func (r *Root) Mknod(path string, mode os.FileMode, dev uint64) error { } // Symlink creates a symlink within a [Root]'s directory tree. The symlink is -// created at path and is a link to target. +// created at newname and is a link to oldname. // // This is effectively equivalent to [os.Symlink]. -func (r *Root) Symlink(path, target string) error { +func (r *Root) Symlink(oldname, newname string) error { _, err := fdutils.WithFileFd(r.inner, func(rootFd uintptr) (struct{}, error) { - err := libpathrs.InRootSymlink(rootFd, path, target) + err := libpathrs.InRootSymlink(oldname, rootFd, newname) return struct{}{}, err }) return err } // Hardlink creates a hardlink within a [Root]'s directory tree. The hardlink -// is created at path and is a link to target. Both paths are within the +// is created at newname and is a link to oldname. Both paths are within the // [Root]'s directory tree (you cannot hardlink to a different [Root] or the // host). // // This is effectively equivalent to [os.Link]. -func (r *Root) Hardlink(path, target string) error { +func (r *Root) Hardlink(oldname, newname string) error { _, err := fdutils.WithFileFd(r.inner, func(rootFd uintptr) (struct{}, error) { - err := libpathrs.InRootHardlink(rootFd, path, target) + err := libpathrs.InRootHardlink(rootFd, oldname, rootFd, newname, 0) return struct{}{}, err }) return err diff --git a/vendor/cyphar.com/go-pathrs/utils_linux.go b/vendor/cyphar.com/go-pathrs/utils_linux.go index 2208d608f8d..b4e7e08e7df 100644 --- a/vendor/cyphar.com/go-pathrs/utils_linux.go +++ b/vendor/cyphar.com/go-pathrs/utils_linux.go @@ -3,8 +3,8 @@ // SPDX-License-Identifier: MPL-2.0 /* * libpathrs: safe path resolution on Linux - * Copyright (C) 2019-2025 Aleksa Sarai * Copyright (C) 2019-2025 SUSE LLC + * Copyright (C) 2026 Aleksa Sarai * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this diff --git a/vendor/cyphar.com/go-pathrs/version_linux.go b/vendor/cyphar.com/go-pathrs/version_linux.go new file mode 100644 index 00000000000..9ed2d74eca9 --- /dev/null +++ b/vendor/cyphar.com/go-pathrs/version_linux.go @@ -0,0 +1,27 @@ +//go:build linux + +// SPDX-License-Identifier: MPL-2.0 +/* + * libpathrs: safe path resolution on Linux + * Copyright (C) 2026 Aleksa Sarai + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at https://mozilla.org/MPL/2.0/. + */ + +package pathrs + +import ( + "cyphar.com/go-pathrs/internal/libpathrs" +) + +// LibraryVersionInfo contains information about the version and features +// supported by the underlying libpathrs.so library at runtime. +type LibraryVersionInfo = libpathrs.VersionInfo + +// LibraryVersion returns information about the version and features supported +// by the underlying libpathrs.so library at runtime. +func LibraryVersion() (*LibraryVersionInfo, error) { + return libpathrs.Version() +} diff --git a/vendor/github.com/containerd/containerd/api/services/tasks/v1/tasks.pb.go b/vendor/github.com/containerd/containerd/api/services/tasks/v1/tasks.pb.go index b570e8a4a49..7d1abe2f9b9 100644 --- a/vendor/github.com/containerd/containerd/api/services/tasks/v1/tasks.pb.go +++ b/vendor/github.com/containerd/containerd/api/services/tasks/v1/tasks.pb.go @@ -60,6 +60,15 @@ type CreateTaskRequest struct { Checkpoint *types.Descriptor `protobuf:"bytes,8,opt,name=checkpoint,proto3" json:"checkpoint,omitempty"` Options *anypb.Any `protobuf:"bytes,9,opt,name=options,proto3" json:"options,omitempty"` RuntimePath string `protobuf:"bytes,10,opt,name=runtime_path,json=runtimePath,proto3" json:"runtime_path,omitempty"` + // TaskApiAddress optionally specifies the address of an existing task API + // endpoint (e.g. an in-VM agent for sandbox runtimes such as Kata). + // When set, containerd connects to this address for task operations instead + // of bootstrapping a new shim. The format is +://..., + // e.g. "ttrpc+unix:///path/to/uds" or "grpc+vsock://:". + TaskApiAddress string `protobuf:"bytes,11,opt,name=task_api_address,json=taskApiAddress,proto3" json:"task_api_address,omitempty"` + // TaskApiVersion is the shim API version served at TaskApiAddress. + // Currently supported values are 2 and 3. + TaskApiVersion uint32 `protobuf:"varint,12,opt,name=task_api_version,json=taskApiVersion,proto3" json:"task_api_version,omitempty"` } func (x *CreateTaskRequest) Reset() { @@ -157,6 +166,20 @@ func (x *CreateTaskRequest) GetRuntimePath() string { return "" } +func (x *CreateTaskRequest) GetTaskApiAddress() string { + if x != nil { + return x.TaskApiAddress + } + return "" +} + +func (x *CreateTaskRequest) GetTaskApiVersion() uint32 { + if x != nil { + return x.TaskApiVersion + } + return 0 +} + type CreateTaskResponse struct { state protoimpl.MessageState sizeCache protoimpl.SizeCache @@ -1608,7 +1631,7 @@ var file_services_tasks_v1_tasks_proto_rawDesc = 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address for task operations instead + // of bootstrapping a new shim. The format is +://..., + // e.g. "ttrpc+unix:///path/to/uds" or "grpc+vsock://:". + string task_api_address = 11; + // TaskApiVersion is the shim API version served at TaskApiAddress. + // Currently supported values are 2 and 3. + uint32 task_api_version = 12; } message CreateTaskResponse { diff --git a/vendor/github.com/cyphar/filepath-securejoin/CHANGELOG.md b/vendor/github.com/cyphar/filepath-securejoin/CHANGELOG.md index 6d016d05c00..f8fbb6b62f6 100644 --- a/vendor/github.com/cyphar/filepath-securejoin/CHANGELOG.md +++ b/vendor/github.com/cyphar/filepath-securejoin/CHANGELOG.md @@ -6,6 +6,17 @@ and this project adheres to [Semantic Versioning](http://semver.org/). ## [Unreleased] ## +## [0.7.0] - 2025-06-17 ## + +> You talk of times of peace for all, and then prepare for war. + +### Changed ### +- Update to `cyphar.com/go-pathrs@0.2.5`, which included a build-time API + breakage that we needed to work around. The API of this library is unchanged + by this, but users should make sure to update to `v0.7.0` of + `filepath-securejoin` if they use the `libpathrs` built tag and have update + to `libpathrs` `v0.2.5`. + ## [0.6.1] - 2025-11-19 ## > At last up jumped the cunning spider, and fiercely held her fast. diff --git a/vendor/github.com/cyphar/filepath-securejoin/VERSION b/vendor/github.com/cyphar/filepath-securejoin/VERSION index ee6cdce3c29..faef31a4357 100644 --- a/vendor/github.com/cyphar/filepath-securejoin/VERSION +++ b/vendor/github.com/cyphar/filepath-securejoin/VERSION @@ -1 +1 @@ -0.6.1 +0.7.0 diff --git a/vendor/github.com/cyphar/filepath-securejoin/pathrs-lite/open_libpathrs.go b/vendor/github.com/cyphar/filepath-securejoin/pathrs-lite/open_libpathrs.go index 53352000e61..15205d13447 100644 --- a/vendor/github.com/cyphar/filepath-securejoin/pathrs-lite/open_libpathrs.go +++ b/vendor/github.com/cyphar/filepath-securejoin/pathrs-lite/open_libpathrs.go @@ -53,5 +53,5 @@ func Reopen(file *os.File, flags int) (*os.File, error) { } defer handle.Close() //nolint:errcheck // close failures aren't critical here - return handle.OpenFile(flags) + return handle.OpenFile(uint64(flags)) } diff --git a/vendor/github.com/opencontainers/cgroups/.golangci-extra.yml b/vendor/github.com/opencontainers/cgroups/.golangci-extra.yml index b98dba1ba15..ce687ce5afe 100644 --- a/vendor/github.com/opencontainers/cgroups/.golangci-extra.yml +++ b/vendor/github.com/opencontainers/cgroups/.golangci-extra.yml @@ -19,3 +19,11 @@ linters: - -QF1008 # https://staticcheck.dev/docs/checks/#QF1008 Omit embedded fields from selector expression. exclusions: generated: strict + rules: + # Legacy names we can't change without breaking compatibility. + - path: stats.go + text: "(type|struct field) (CpuUsage|CpuStats) should be " + - path: config_linux.go + text: "struct field (CpuShares|CpuQuota|CpuBurst|CpuPeriod|CpuRtRuntime|CpuRtPeriod|CpuWeight) should be " + - path: devices/config/device.go + text: "struct field (Uid|Gid) should be " diff --git a/vendor/github.com/opencontainers/cgroups/CODEOWNERS b/vendor/github.com/opencontainers/cgroups/CODEOWNERS index 7201e35ac92..255c5d40e48 100644 --- a/vendor/github.com/opencontainers/cgroups/CODEOWNERS +++ b/vendor/github.com/opencontainers/cgroups/CODEOWNERS @@ -1 +1 @@ -* @maintainer1 @maintainer2 @maintainer3 +* @opencontainers/cgroups-maintainers diff --git a/vendor/github.com/opencontainers/cgroups/cgroups.go b/vendor/github.com/opencontainers/cgroups/cgroups.go index 5a97bd36b71..35c4e25442e 100644 --- a/vendor/github.com/opencontainers/cgroups/cgroups.go +++ b/vendor/github.com/opencontainers/cgroups/cgroups.go @@ -44,6 +44,9 @@ type Manager interface { // GetStats returns cgroups statistics. GetStats() (*Stats, error) + // Stats returns statistics for specified controllers. + Stats(opts *StatsOptions) (*Stats, error) + // Freeze sets the freezer cgroup to the specified state. Freeze(state FreezerState) error diff --git a/vendor/github.com/opencontainers/cgroups/config_linux.go b/vendor/github.com/opencontainers/cgroups/config_linux.go index 3d29d938bf0..8b5e5058a93 100644 --- a/vendor/github.com/opencontainers/cgroups/config_linux.go +++ b/vendor/github.com/opencontainers/cgroups/config_linux.go @@ -16,23 +16,23 @@ const ( // Cgroup holds properties of a cgroup on Linux. type Cgroup struct { // Name specifies the name of the cgroup - Name string `json:"name,omitempty"` + Name string `json:"name,omitzero"` // Parent specifies the name of parent of cgroup or slice - Parent string `json:"parent,omitempty"` + Parent string `json:"parent,omitzero"` // Path specifies the path to cgroups that are created and/or joined by the container. // The path is assumed to be relative to the host system cgroup mountpoint. - Path string `json:"path,omitempty"` + Path string `json:"path,omitzero"` // ScopePrefix describes prefix for the scope name. - ScopePrefix string `json:"scope_prefix,omitempty"` + ScopePrefix string `json:"scope_prefix,omitzero"` // Resources contains various cgroups settings to apply. *Resources // Systemd tells if systemd should be used to manage cgroups. - Systemd bool `json:"Systemd,omitempty"` + Systemd bool `json:"Systemd,omitzero"` // SystemdProps are any additional properties for systemd, // derived from org.systemd.property.xxx annotations. @@ -40,108 +40,108 @@ type Cgroup struct { SystemdProps []systemdDbus.Property `json:"-"` // Rootless tells if rootless cgroups should be used. - Rootless bool `json:"Rootless,omitempty"` + Rootless bool `json:"Rootless,omitzero"` // The host UID that should own the cgroup, or nil to accept // the default ownership. This should only be set when the // cgroupfs is to be mounted read/write. // Not all cgroup manager implementations support changing // the ownership. - OwnerUID *int `json:"owner_uid,omitempty"` + OwnerUID *int `json:"owner_uid,omitzero"` } type Resources struct { // Devices is the set of access rules for devices in the container. - Devices []*devices.Rule `json:"devices,omitempty"` + Devices []*devices.Rule `json:"devices,omitzero"` // Memory limit (in bytes). - Memory int64 `json:"memory,omitempty"` + Memory int64 `json:"memory,omitzero"` // Memory reservation or soft_limit (in bytes). - MemoryReservation int64 `json:"memory_reservation,omitempty"` + MemoryReservation int64 `json:"memory_reservation,omitzero"` // Total memory usage (memory+swap); use -1 for unlimited swap. - MemorySwap int64 `json:"memory_swap,omitempty"` + MemorySwap int64 `json:"memory_swap,omitzero"` // CPU shares (relative weight vs. other containers). - CpuShares uint64 `json:"cpu_shares,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuShares should be CPUShares". + CpuShares uint64 `json:"cpu_shares,omitzero"` // CPU hardcap limit (in usecs). Allowed cpu time in a given period. - CpuQuota int64 `json:"cpu_quota,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuQuota should be CPUQuota". + CpuQuota int64 `json:"cpu_quota,omitzero"` // CPU hardcap burst limit (in usecs). Allowed accumulated cpu time additionally for burst in a given period. - CpuBurst *uint64 `json:"cpu_burst,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuBurst should be CPUBurst". + CpuBurst *uint64 `json:"cpu_burst,omitzero"` // CPU period to be used for hardcapping (in usecs). 0 to use system default. - CpuPeriod uint64 `json:"cpu_period,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuPeriod should be CPUPeriod". + CpuPeriod uint64 `json:"cpu_period,omitzero"` // How many time CPU will use in realtime scheduling (in usecs). - CpuRtRuntime int64 `json:"cpu_rt_quota,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuRtRuntime should be CPURtRuntime". + CpuRtRuntime int64 `json:"cpu_rt_quota,omitzero"` // CPU period to be used for realtime scheduling (in usecs). - CpuRtPeriod uint64 `json:"cpu_rt_period,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuQuota should be CPUQuota". + CpuRtPeriod uint64 `json:"cpu_rt_period,omitzero"` // Cpuset CPUs to use. - CpusetCpus string `json:"cpuset_cpus,omitempty"` + CpusetCpus string `json:"cpuset_cpus,omitzero"` // Cpuset memory nodes to use. - CpusetMems string `json:"cpuset_mems,omitempty"` + CpusetMems string `json:"cpuset_mems,omitzero"` // Cgroup's SCHED_IDLE value. - CPUIdle *int64 `json:"cpu_idle,omitempty"` + CPUIdle *int64 `json:"cpu_idle,omitzero"` // Process limit; set < `0' to disable limit. `nil` means "keep current limit". - PidsLimit *int64 `json:"pids_limit,omitempty"` + PidsLimit *int64 `json:"pids_limit,omitzero"` // Specifies per cgroup weight, range is from 10 to 1000. - BlkioWeight uint16 `json:"blkio_weight,omitempty"` + BlkioWeight uint16 `json:"blkio_weight,omitzero"` // Tasks' weight in the given cgroup while competing with the cgroup's child cgroups, range is from 10 to 1000, cfq scheduler only. - BlkioLeafWeight uint16 `json:"blkio_leaf_weight,omitempty"` + BlkioLeafWeight uint16 `json:"blkio_leaf_weight,omitzero"` // Weight per cgroup per device, can override BlkioWeight. - BlkioWeightDevice []*WeightDevice `json:"blkio_weight_device,omitempty"` + BlkioWeightDevice []*WeightDevice `json:"blkio_weight_device,omitzero"` // IO read rate limit per cgroup per device, bytes per second. - BlkioThrottleReadBpsDevice []*ThrottleDevice `json:"blkio_throttle_read_bps_device,omitempty"` + BlkioThrottleReadBpsDevice []*ThrottleDevice `json:"blkio_throttle_read_bps_device,omitzero"` // IO write rate limit per cgroup per device, bytes per second. - BlkioThrottleWriteBpsDevice []*ThrottleDevice `json:"blkio_throttle_write_bps_device,omitempty"` + BlkioThrottleWriteBpsDevice []*ThrottleDevice `json:"blkio_throttle_write_bps_device,omitzero"` // IO read rate limit per cgroup per device, IO per second. - BlkioThrottleReadIOPSDevice []*ThrottleDevice `json:"blkio_throttle_read_iops_device,omitempty"` + BlkioThrottleReadIOPSDevice []*ThrottleDevice `json:"blkio_throttle_read_iops_device,omitzero"` // IO write rate limit per cgroup per device, IO per second. - BlkioThrottleWriteIOPSDevice []*ThrottleDevice `json:"blkio_throttle_write_iops_device,omitempty"` + BlkioThrottleWriteIOPSDevice []*ThrottleDevice `json:"blkio_throttle_write_iops_device,omitzero"` // Freeze value for the process. - Freezer FreezerState `json:"freezer,omitempty"` + Freezer FreezerState `json:"freezer,omitzero"` // Hugetlb limit (in bytes). - HugetlbLimit []*HugepageLimit `json:"hugetlb_limit,omitempty"` + HugetlbLimit []*HugepageLimit `json:"hugetlb_limit,omitzero"` // Whether to disable OOM killer. - OomKillDisable bool `json:"oom_kill_disable,omitempty"` + OomKillDisable bool `json:"oom_kill_disable,omitzero"` // Tuning swappiness behaviour per cgroup. - MemorySwappiness *uint64 `json:"memory_swappiness,omitempty"` + MemorySwappiness *uint64 `json:"memory_swappiness,omitzero"` // Set priority of network traffic for container. - NetPrioIfpriomap []*IfPrioMap `json:"net_prio_ifpriomap,omitempty"` + NetPrioIfpriomap []*IfPrioMap `json:"net_prio_ifpriomap,omitzero"` // Set class identifier for container's network packets. - NetClsClassid uint32 `json:"net_cls_classid_u,omitempty"` + NetClsClassid uint32 `json:"net_cls_classid_u,omitzero"` // Rdma resource restriction configuration. - Rdma map[string]LinuxRdma `json:"rdma,omitempty"` + Rdma map[string]LinuxRdma `json:"rdma,omitzero"` // Used on cgroups v2: // CpuWeight sets a proportional bandwidth limit. - CpuWeight uint64 `json:"cpu_weight,omitempty"` //nolint:revive // Suppress "var-naming: struct field CpuWeight should be CPUWeight". + CpuWeight uint64 `json:"cpu_weight,omitzero"` // Unified is cgroupv2-only key-value map. - Unified map[string]string `json:"unified,omitempty"` + Unified map[string]string `json:"unified,omitzero"` // SkipDevices allows to skip configuring device permissions. // Used by e.g. kubelet while creating a parent cgroup (kubepods) @@ -165,5 +165,5 @@ type Resources struct { // MemoryCheckBeforeUpdate is a flag for cgroup v2 managers to check // if the new memory limits (Memory and MemorySwap) being set are lower // than the current memory usage, and reject if so. - MemoryCheckBeforeUpdate bool `json:"memory_check_before_update,omitempty"` + MemoryCheckBeforeUpdate bool `json:"memory_check_before_update,omitzero"` } diff --git a/vendor/github.com/opencontainers/cgroups/config_rdma.go b/vendor/github.com/opencontainers/cgroups/config_rdma.go index a0bd54f04f5..a5c4adab76a 100644 --- a/vendor/github.com/opencontainers/cgroups/config_rdma.go +++ b/vendor/github.com/opencontainers/cgroups/config_rdma.go @@ -3,7 +3,7 @@ package cgroups // LinuxRdma for Linux cgroup 'rdma' resource management (Linux 4.11) type LinuxRdma struct { // Maximum number of HCA handles that can be opened. Default is "no limit". - HcaHandles *uint32 `json:"hca_handles,omitempty"` + HcaHandles *uint32 `json:"hca_handles,omitzero"` // Maximum number of HCA objects that can be created. Default is "no limit". - HcaObjects *uint32 `json:"hca_objects,omitempty"` + HcaObjects *uint32 `json:"hca_objects,omitzero"` } diff --git a/vendor/github.com/opencontainers/cgroups/devices/config/device.go b/vendor/github.com/opencontainers/cgroups/devices/config/device.go index 295575cbfa7..b36a3e818bc 100644 --- a/vendor/github.com/opencontainers/cgroups/devices/config/device.go +++ b/vendor/github.com/opencontainers/cgroups/devices/config/device.go @@ -20,10 +20,10 @@ type Device struct { FileMode os.FileMode `json:"file_mode"` // Uid of the device. - Uid uint32 `json:"uid,omitempty"` //nolint:revive // Suppress "var-naming: struct field Uid should be UID". + Uid uint32 `json:"uid,omitzero"` // Gid of the device. - Gid uint32 `json:"gid,omitempty"` //nolint:revive // Suppress "var-naming: struct field Gid should be GID". + Gid uint32 `json:"gid,omitzero"` } // Permissions is a cgroupv1-style string to represent device access. It diff --git a/vendor/github.com/opencontainers/cgroups/fs/blkio.go b/vendor/github.com/opencontainers/cgroups/fs/blkio.go index f3c4c5cf816..e5b2d314e33 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/blkio.go +++ b/vendor/github.com/opencontainers/cgroups/fs/blkio.go @@ -19,6 +19,11 @@ func (s *BlkioGroup) Name() string { return "blkio" } +// ID returns the controller ID for blkio subsystem. +func (s *BlkioGroup) ID() cgroups.Controller { + return cgroups.IO +} + func (s *BlkioGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/cpu.go b/vendor/github.com/opencontainers/cgroups/fs/cpu.go index 3e05788a3f6..84f9f74407d 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/cpu.go +++ b/vendor/github.com/opencontainers/cgroups/fs/cpu.go @@ -18,6 +18,11 @@ func (s *CpuGroup) Name() string { return "cpu" } +// ID returns the controller ID for CPU subsystem. +func (s *CpuGroup) ID() cgroups.Controller { + return cgroups.CPU +} + func (s *CpuGroup) Apply(path string, r *cgroups.Resources, pid int) error { if err := os.MkdirAll(path, 0o755); err != nil { return err diff --git a/vendor/github.com/opencontainers/cgroups/fs/cpuacct.go b/vendor/github.com/opencontainers/cgroups/fs/cpuacct.go index bde25b07594..5a1be7564e4 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/cpuacct.go +++ b/vendor/github.com/opencontainers/cgroups/fs/cpuacct.go @@ -26,6 +26,11 @@ func (s *CpuacctGroup) Name() string { return "cpuacct" } +// ID returns the controller ID for cpuacct subsystem. +func (s *CpuacctGroup) ID() cgroups.Controller { + return cgroups.CPU +} + func (s *CpuacctGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } @@ -105,7 +110,7 @@ func getPercpuUsage(path string) ([]uint64, error) { if err != nil { return percpuUsage, err } - for _, value := range strings.Fields(data) { + for value := range strings.FieldsSeq(data) { value, err := strconv.ParseUint(value, 10, 64) if err != nil { return percpuUsage, &parseError{Path: path, File: file, Err: err} diff --git a/vendor/github.com/opencontainers/cgroups/fs/cpuset.go b/vendor/github.com/opencontainers/cgroups/fs/cpuset.go index ef6ff7da303..327d5e75075 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/cpuset.go +++ b/vendor/github.com/opencontainers/cgroups/fs/cpuset.go @@ -54,6 +54,11 @@ func (s *CpusetGroup) Name() string { return "cpuset" } +// ID returns the controller ID for cpuset subsystem. +func (s *CpusetGroup) ID() cgroups.Controller { + return cgroups.CPUSet +} + func (s *CpusetGroup) Apply(path string, r *cgroups.Resources, pid int) error { return s.ApplyDir(path, r, pid) } @@ -82,7 +87,7 @@ func getCpusetStat(path string, file string) ([]uint16, error) { return extracted, &parseError{Path: path, File: file, Err: errors.New("empty file")} } - for _, s := range strings.Split(fileContent, ",") { + for s := range strings.SplitSeq(fileContent, ",") { fromStr, toStr, ok := strings.Cut(s, "-") if ok { from, err := strconv.ParseUint(fromStr, 10, 16) diff --git a/vendor/github.com/opencontainers/cgroups/fs/devices.go b/vendor/github.com/opencontainers/cgroups/fs/devices.go index 26483ecb7dd..5eee641572b 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/devices.go +++ b/vendor/github.com/opencontainers/cgroups/fs/devices.go @@ -10,6 +10,12 @@ func (s *DevicesGroup) Name() string { return "devices" } +// ID returns the controller ID for devices subsystem. +// Returns 0 as devices is not a cgroups.Controller. +func (s *DevicesGroup) ID() cgroups.Controller { + return 0 +} + func (s *DevicesGroup) Apply(path string, r *cgroups.Resources, pid int) error { if r.SkipDevices { return nil diff --git a/vendor/github.com/opencontainers/cgroups/fs/freezer.go b/vendor/github.com/opencontainers/cgroups/fs/freezer.go index fe0f0dde482..3edc7a81aba 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/freezer.go +++ b/vendor/github.com/opencontainers/cgroups/fs/freezer.go @@ -18,6 +18,12 @@ func (s *FreezerGroup) Name() string { return "freezer" } +// ID returns the controller ID for freezer subsystem. +// Returns 0 as freezer is not a cgroups.Controller. +func (s *FreezerGroup) ID() cgroups.Controller { + return 0 +} + func (s *FreezerGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/fs.go b/vendor/github.com/opencontainers/cgroups/fs/fs.go index 625931193ec..879400cda35 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/fs.go +++ b/vendor/github.com/opencontainers/cgroups/fs/fs.go @@ -29,7 +29,7 @@ var subsystems = []subsystem{ &FreezerGroup{}, &RdmaGroup{}, &NameGroup{GroupName: "name=systemd", Join: true}, - &NameGroup{GroupName: "misc", Join: true}, + &NameGroup{GroupName: "misc", Join: true, GroupID: cgroups.Misc}, } var errSubsystemDoesNotExist = errors.New("cgroup: subsystem does not exist") @@ -45,6 +45,8 @@ func init() { type subsystem interface { // Name returns the name of the subsystem. Name() string + // ID returns the controller ID for filtering. + ID() cgroups.Controller // GetStats fills in the stats for the subsystem. GetStats(path string, stats *cgroups.Stats) error // Apply creates and joins a cgroup, adding pid into it. Some @@ -181,14 +183,32 @@ func (m *Manager) Path(subsys string) string { } func (m *Manager) GetStats() (*cgroups.Stats, error) { + return m.Stats(nil) +} + +// Stats returns cgroup statistics for the specified controllers. +func (m *Manager) Stats(opts *cgroups.StatsOptions) (*cgroups.Stats, error) { m.mu.Lock() defer m.mu.Unlock() + + // Default: query all controllers + controllers := cgroups.AllControllers + if opts != nil && opts.Controllers != 0 { + controllers = opts.Controllers + } + stats := cgroups.NewStats() for _, sys := range subsystems { path := m.paths[sys.Name()] if path == "" { continue } + + // Filter based on controller type + if sys.ID()&controllers == 0 { + continue + } + if err := sys.GetStats(path, stats); err != nil { return nil, err } diff --git a/vendor/github.com/opencontainers/cgroups/fs/hugetlb.go b/vendor/github.com/opencontainers/cgroups/fs/hugetlb.go index 698fd691e10..39b8f80dfef 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/hugetlb.go +++ b/vendor/github.com/opencontainers/cgroups/fs/hugetlb.go @@ -15,6 +15,11 @@ func (s *HugetlbGroup) Name() string { return "hugetlb" } +// ID returns the controller ID for hugetlb subsystem. +func (s *HugetlbGroup) ID() cgroups.Controller { + return cgroups.HugeTLB +} + func (s *HugetlbGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/memory.go b/vendor/github.com/opencontainers/cgroups/fs/memory.go index d92f2322beb..0250819172a 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/memory.go +++ b/vendor/github.com/opencontainers/cgroups/fs/memory.go @@ -29,6 +29,11 @@ func (s *MemoryGroup) Name() string { return "memory" } +// ID returns the controller ID for memory subsystem. +func (s *MemoryGroup) ID() cgroups.Controller { + return cgroups.Memory +} + func (s *MemoryGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/name.go b/vendor/github.com/opencontainers/cgroups/fs/name.go index 28643519b58..47c60229319 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/name.go +++ b/vendor/github.com/opencontainers/cgroups/fs/name.go @@ -7,12 +7,18 @@ import ( type NameGroup struct { GroupName string Join bool + GroupID cgroups.Controller } func (s *NameGroup) Name() string { return s.GroupName } +// ID returns the controller ID for named subsystem. +func (s *NameGroup) ID() cgroups.Controller { + return s.GroupID +} + func (s *NameGroup) Apply(path string, _ *cgroups.Resources, pid int) error { if s.Join { // Ignore errors if the named cgroup does not exist. diff --git a/vendor/github.com/opencontainers/cgroups/fs/net_cls.go b/vendor/github.com/opencontainers/cgroups/fs/net_cls.go index 2bd6c5ab218..c61bded0c45 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/net_cls.go +++ b/vendor/github.com/opencontainers/cgroups/fs/net_cls.go @@ -12,6 +12,12 @@ func (s *NetClsGroup) Name() string { return "net_cls" } +// ID returns the controller ID for net_cls subsystem. +// Returns 0 as net_cls is not a cgroups.Controller. +func (s *NetClsGroup) ID() cgroups.Controller { + return 0 +} + func (s *NetClsGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/net_prio.go b/vendor/github.com/opencontainers/cgroups/fs/net_prio.go index b51682b6da0..228eb341995 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/net_prio.go +++ b/vendor/github.com/opencontainers/cgroups/fs/net_prio.go @@ -10,6 +10,12 @@ func (s *NetPrioGroup) Name() string { return "net_prio" } +// ID returns the controller ID for net_prio subsystem. +// Returns 0 as net_prio is not a cgroups.Controller. +func (s *NetPrioGroup) ID() cgroups.Controller { + return 0 +} + func (s *NetPrioGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/perf_event.go b/vendor/github.com/opencontainers/cgroups/fs/perf_event.go index 929c412a3a7..ba6f44878fe 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/perf_event.go +++ b/vendor/github.com/opencontainers/cgroups/fs/perf_event.go @@ -10,6 +10,12 @@ func (s *PerfEventGroup) Name() string { return "perf_event" } +// ID returns the controller ID for perf_event subsystem. +// Returns 0 as perf_event is not a cgroups.Controller. +func (s *PerfEventGroup) ID() cgroups.Controller { + return 0 +} + func (s *PerfEventGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/pids.go b/vendor/github.com/opencontainers/cgroups/fs/pids.go index 36bd339af82..fa5b1c8fd2e 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/pids.go +++ b/vendor/github.com/opencontainers/cgroups/fs/pids.go @@ -14,6 +14,11 @@ func (s *PidsGroup) Name() string { return "pids" } +// ID returns the controller ID for pids subsystem. +func (s *PidsGroup) ID() cgroups.Controller { + return cgroups.Pids +} + func (s *PidsGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs/rdma.go b/vendor/github.com/opencontainers/cgroups/fs/rdma.go index 4b175365f27..8cc436c6f9b 100644 --- a/vendor/github.com/opencontainers/cgroups/fs/rdma.go +++ b/vendor/github.com/opencontainers/cgroups/fs/rdma.go @@ -11,6 +11,11 @@ func (s *RdmaGroup) Name() string { return "rdma" } +// ID returns the controller ID for rdma subsystem. +func (s *RdmaGroup) ID() cgroups.Controller { + return cgroups.RDMA +} + func (s *RdmaGroup) Apply(path string, _ *cgroups.Resources, pid int) error { return apply(path, pid) } diff --git a/vendor/github.com/opencontainers/cgroups/fs2/create.go b/vendor/github.com/opencontainers/cgroups/fs2/create.go index 565ca883079..6be11c24739 100644 --- a/vendor/github.com/opencontainers/cgroups/fs2/create.go +++ b/vendor/github.com/opencontainers/cgroups/fs2/create.go @@ -28,7 +28,7 @@ func needAnyControllers(r *cgroups.Resources) (bool, error) { return false, err } avail := make(map[string]struct{}) - for _, ctr := range strings.Fields(content) { + for ctr := range strings.FieldsSeq(content) { avail[ctr] = struct{}{} } @@ -137,8 +137,7 @@ func CreateCgroupPath(path string, c *cgroups.Cgroup) (Err error) { if i < len(elements)-1 { if err := cgroups.WriteFile(current, cgStCtlFile, res); err != nil { // try write one by one - allCtrs := strings.Split(res, " ") - for _, ctr := range allCtrs { + for ctr := range strings.SplitSeq(res, " ") { _ = cgroups.WriteFile(current, cgStCtlFile, ctr) } } diff --git a/vendor/github.com/opencontainers/cgroups/fs2/fs2.go b/vendor/github.com/opencontainers/cgroups/fs2/fs2.go index 356d087985c..46819a8f4d9 100644 --- a/vendor/github.com/opencontainers/cgroups/fs2/fs2.go +++ b/vendor/github.com/opencontainers/cgroups/fs2/fs2.go @@ -105,50 +105,85 @@ func (m *Manager) GetAllPids() ([]int, error) { } func (m *Manager) GetStats() (*cgroups.Stats, error) { - var errs []error + return m.Stats(nil) +} +// Stats returns cgroup statistics for the specified controllers. +func (m *Manager) Stats(opts *cgroups.StatsOptions) (*cgroups.Stats, error) { + // Default: query all controllers + controllers := cgroups.AllControllers + if opts != nil && opts.Controllers != 0 { + controllers = opts.Controllers + } + + var errs []error + var err error st := cgroups.NewStats() // pids (since kernel 4.5) - if err := statPids(m.dirPath, st); err != nil { - errs = append(errs, err) + if controllers&cgroups.Pids != 0 { + if err = statPids(m.dirPath, st); err != nil { + errs = append(errs, err) + } } + // memory (since kernel 4.5) - if err := statMemory(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) + if controllers&cgroups.Memory != 0 { + if err = statMemory(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } + + if st.MemoryStats.PSI, err = statPSI(m.dirPath, "memory.pressure"); err != nil { + errs = append(errs, err) + } } + // io (since kernel 4.5) - if err := statIo(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) + if controllers&cgroups.IO != 0 { + if err = statIo(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } + + if st.BlkioStats.PSI, err = statPSI(m.dirPath, "io.pressure"); err != nil { + errs = append(errs, err) + } } + // cpu (since kernel 4.15) // Note cpu.stat is available even if the controller is not enabled. - if err := statCpu(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) - } - // PSI (since kernel 4.20). - var err error - if st.CpuStats.PSI, err = statPSI(m.dirPath, "cpu.pressure"); err != nil { - errs = append(errs, err) - } - if st.MemoryStats.PSI, err = statPSI(m.dirPath, "memory.pressure"); err != nil { - errs = append(errs, err) - } - if st.BlkioStats.PSI, err = statPSI(m.dirPath, "io.pressure"); err != nil { - errs = append(errs, err) + if controllers&cgroups.CPU != 0 { + if err = statCpu(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } + + // PSI (since kernel 4.20) + if st.CpuStats.PSI, err = statPSI(m.dirPath, "cpu.pressure"); err != nil { + errs = append(errs, err) + } + } + // hugetlb (since kernel 5.6) - if err := statHugeTlb(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) + if controllers&cgroups.HugeTLB != 0 { + if err := statHugeTlb(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } } + // rdma (since kernel 4.11) - if err := fscommon.RdmaGetStats(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) + if controllers&cgroups.RDMA != 0 { + if err := fscommon.RdmaGetStats(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } } + // misc (since kernel 5.13) - if err := statMisc(m.dirPath, st); err != nil && !os.IsNotExist(err) { - errs = append(errs, err) + if controllers&cgroups.Misc != 0 { + if err := statMisc(m.dirPath, st); err != nil && !os.IsNotExist(err) { + errs = append(errs, err) + } } + if len(errs) > 0 && !m.config.Rootless { return st, fmt.Errorf("error while statting cgroup v2: %+v", errs) } diff --git a/vendor/github.com/opencontainers/cgroups/fscommon/utils.go b/vendor/github.com/opencontainers/cgroups/fscommon/utils.go index d8f8dfc0237..a8b32aa95ab 100644 --- a/vendor/github.com/opencontainers/cgroups/fscommon/utils.go +++ b/vendor/github.com/opencontainers/cgroups/fscommon/utils.go @@ -82,8 +82,7 @@ func GetValueByKey(path, file, key string) (uint64, error) { } key += " " - lines := strings.Split(content, "\n") - for _, line := range lines { + for line := range strings.SplitSeq(content, "\n") { v, ok := strings.CutPrefix(line, key) if ok { val, err := ParseUint(v, 10, 64) diff --git a/vendor/github.com/opencontainers/cgroups/stats.go b/vendor/github.com/opencontainers/cgroups/stats.go index 01701333ab3..d7654ffd1ed 100644 --- a/vendor/github.com/opencontainers/cgroups/stats.go +++ b/vendor/github.com/opencontainers/cgroups/stats.go @@ -2,19 +2,19 @@ package cgroups type ThrottlingData struct { // Number of periods with throttling active - Periods uint64 `json:"periods,omitempty"` + Periods uint64 `json:"periods,omitzero"` // Number of periods when the container hit its throttling limit. - ThrottledPeriods uint64 `json:"throttled_periods,omitempty"` + ThrottledPeriods uint64 `json:"throttled_periods,omitzero"` // Aggregate time the container was throttled for in nanoseconds. - ThrottledTime uint64 `json:"throttled_time,omitempty"` + ThrottledTime uint64 `json:"throttled_time,omitzero"` } type BurstData struct { // Number of periods bandwidth burst occurs - BurstsPeriods uint64 `json:"bursts_periods,omitempty"` + BurstsPeriods uint64 `json:"bursts_periods,omitzero"` // Cumulative wall-time that any cpus has used above quota in respective periods // Units: nanoseconds. - BurstTime uint64 `json:"burst_time,omitempty"` + BurstTime uint64 `json:"burst_time,omitzero"` } // CpuUsage denotes the usage of a CPU. @@ -22,10 +22,10 @@ type BurstData struct { type CpuUsage struct { // Total CPU time consumed. // Units: nanoseconds. - TotalUsage uint64 `json:"total_usage,omitempty"` + TotalUsage uint64 `json:"total_usage,omitzero"` // Total CPU time consumed per core. // Units: nanoseconds. - PercpuUsage []uint64 `json:"percpu_usage,omitempty"` + PercpuUsage []uint64 `json:"percpu_usage,omitzero"` // CPU time consumed per core in kernel mode // Units: nanoseconds. PercpuUsageInKernelmode []uint64 `json:"percpu_usage_in_kernelmode"` @@ -48,26 +48,26 @@ type PSIData struct { } type PSIStats struct { - Some PSIData `json:"some,omitempty"` - Full PSIData `json:"full,omitempty"` + Some PSIData `json:"some,omitzero"` + Full PSIData `json:"full,omitzero"` } type CpuStats struct { - CpuUsage CpuUsage `json:"cpu_usage,omitempty"` - ThrottlingData ThrottlingData `json:"throttling_data,omitempty"` - PSI *PSIStats `json:"psi,omitempty"` - BurstData BurstData `json:"burst_data,omitempty"` + CpuUsage CpuUsage `json:"cpu_usage,omitzero"` + ThrottlingData ThrottlingData `json:"throttling_data,omitzero"` + PSI *PSIStats `json:"psi,omitzero"` + BurstData BurstData `json:"burst_data,omitzero"` } type CPUSetStats struct { // List of the physical numbers of the CPUs on which processes // in that cpuset are allowed to execute - CPUs []uint16 `json:"cpus,omitempty"` + CPUs []uint16 `json:"cpus,omitzero"` // cpu_exclusive flag CPUExclusive uint64 `json:"cpu_exclusive"` // List of memory nodes on which processes in that cpuset // are allowed to allocate memory - Mems []uint16 `json:"mems,omitempty"` + Mems []uint16 `json:"mems,omitzero"` // mem_hardwall flag MemHardwall uint64 `json:"mem_hardwall"` // mem_exclusive flag @@ -87,122 +87,122 @@ type CPUSetStats struct { } type MemoryData struct { - Usage uint64 `json:"usage,omitempty"` - MaxUsage uint64 `json:"max_usage,omitempty"` + Usage uint64 `json:"usage,omitzero"` + MaxUsage uint64 `json:"max_usage,omitzero"` Failcnt uint64 `json:"failcnt"` Limit uint64 `json:"limit"` } type MemoryStats struct { // memory used for cache - Cache uint64 `json:"cache,omitempty"` + Cache uint64 `json:"cache,omitzero"` // usage of memory - Usage MemoryData `json:"usage,omitempty"` + Usage MemoryData `json:"usage,omitzero"` // usage of memory + swap - SwapUsage MemoryData `json:"swap_usage,omitempty"` + SwapUsage MemoryData `json:"swap_usage,omitzero"` // usage of swap only - SwapOnlyUsage MemoryData `json:"swap_only_usage,omitempty"` + SwapOnlyUsage MemoryData `json:"swap_only_usage,omitzero"` // usage of kernel memory - KernelUsage MemoryData `json:"kernel_usage,omitempty"` + KernelUsage MemoryData `json:"kernel_usage,omitzero"` // usage of kernel TCP memory - KernelTCPUsage MemoryData `json:"kernel_tcp_usage,omitempty"` + KernelTCPUsage MemoryData `json:"kernel_tcp_usage,omitzero"` // usage of memory pages by NUMA node // see chapter 5.6 of memory controller documentation - PageUsageByNUMA PageUsageByNUMA `json:"page_usage_by_numa,omitempty"` + PageUsageByNUMA PageUsageByNUMA `json:"page_usage_by_numa,omitzero"` // if true, memory usage is accounted for throughout a hierarchy of cgroups. UseHierarchy bool `json:"use_hierarchy"` - Stats map[string]uint64 `json:"stats,omitempty"` - PSI *PSIStats `json:"psi,omitempty"` + Stats map[string]uint64 `json:"stats,omitzero"` + PSI *PSIStats `json:"psi,omitzero"` } type PageUsageByNUMA struct { // Embedding is used as types can't be recursive. PageUsageByNUMAInner - Hierarchical PageUsageByNUMAInner `json:"hierarchical,omitempty"` + Hierarchical PageUsageByNUMAInner `json:"hierarchical,omitzero"` } type PageUsageByNUMAInner struct { - Total PageStats `json:"total,omitempty"` - File PageStats `json:"file,omitempty"` - Anon PageStats `json:"anon,omitempty"` - Unevictable PageStats `json:"unevictable,omitempty"` + Total PageStats `json:"total,omitzero"` + File PageStats `json:"file,omitzero"` + Anon PageStats `json:"anon,omitzero"` + Unevictable PageStats `json:"unevictable,omitzero"` } type PageStats struct { - Total uint64 `json:"total,omitempty"` - Nodes map[uint8]uint64 `json:"nodes,omitempty"` + Total uint64 `json:"total,omitzero"` + Nodes map[uint8]uint64 `json:"nodes,omitzero"` } type PidsStats struct { // number of pids in the cgroup - Current uint64 `json:"current,omitempty"` + Current uint64 `json:"current,omitzero"` // active pids hard limit - Limit uint64 `json:"limit,omitempty"` + Limit uint64 `json:"limit,omitzero"` } type BlkioStatEntry struct { - Major uint64 `json:"major,omitempty"` - Minor uint64 `json:"minor,omitempty"` - Op string `json:"op,omitempty"` - Value uint64 `json:"value,omitempty"` + Major uint64 `json:"major,omitzero"` + Minor uint64 `json:"minor,omitzero"` + Op string `json:"op,omitzero"` + Value uint64 `json:"value,omitzero"` } type BlkioStats struct { // number of bytes transferred to and from the block device - IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive,omitempty"` - IoServicedRecursive []BlkioStatEntry `json:"io_serviced_recursive,omitempty"` - IoQueuedRecursive []BlkioStatEntry `json:"io_queue_recursive,omitempty"` - IoServiceTimeRecursive []BlkioStatEntry `json:"io_service_time_recursive,omitempty"` - IoWaitTimeRecursive []BlkioStatEntry `json:"io_wait_time_recursive,omitempty"` - IoMergedRecursive []BlkioStatEntry `json:"io_merged_recursive,omitempty"` - IoTimeRecursive []BlkioStatEntry `json:"io_time_recursive,omitempty"` - SectorsRecursive []BlkioStatEntry `json:"sectors_recursive,omitempty"` - PSI *PSIStats `json:"psi,omitempty"` - IoCostUsage []BlkioStatEntry `json:"io_cost_usage,omitempty"` - IoCostWait []BlkioStatEntry `json:"io_cost_wait,omitempty"` - IoCostIndebt []BlkioStatEntry `json:"io_cost_indebt,omitempty"` - IoCostIndelay []BlkioStatEntry `json:"io_cost_indelay,omitempty"` + IoServiceBytesRecursive []BlkioStatEntry `json:"io_service_bytes_recursive,omitzero"` + IoServicedRecursive []BlkioStatEntry `json:"io_serviced_recursive,omitzero"` + IoQueuedRecursive []BlkioStatEntry `json:"io_queue_recursive,omitzero"` + IoServiceTimeRecursive []BlkioStatEntry `json:"io_service_time_recursive,omitzero"` + IoWaitTimeRecursive []BlkioStatEntry `json:"io_wait_time_recursive,omitzero"` + IoMergedRecursive []BlkioStatEntry `json:"io_merged_recursive,omitzero"` + IoTimeRecursive []BlkioStatEntry `json:"io_time_recursive,omitzero"` + SectorsRecursive []BlkioStatEntry `json:"sectors_recursive,omitzero"` + PSI *PSIStats `json:"psi,omitzero"` + IoCostUsage []BlkioStatEntry `json:"io_cost_usage,omitzero"` + IoCostWait []BlkioStatEntry `json:"io_cost_wait,omitzero"` + IoCostIndebt []BlkioStatEntry `json:"io_cost_indebt,omitzero"` + IoCostIndelay []BlkioStatEntry `json:"io_cost_indelay,omitzero"` } type HugetlbStats struct { // current res_counter usage for hugetlb - Usage uint64 `json:"usage,omitempty"` + Usage uint64 `json:"usage,omitzero"` // maximum usage ever recorded. - MaxUsage uint64 `json:"max_usage,omitempty"` + MaxUsage uint64 `json:"max_usage,omitzero"` // number of times hugetlb usage allocation failure. Failcnt uint64 `json:"failcnt"` } type RdmaEntry struct { - Device string `json:"device,omitempty"` - HcaHandles uint32 `json:"hca_handles,omitempty"` - HcaObjects uint32 `json:"hca_objects,omitempty"` + Device string `json:"device,omitzero"` + HcaHandles uint32 `json:"hca_handles,omitzero"` + HcaObjects uint32 `json:"hca_objects,omitzero"` } type RdmaStats struct { - RdmaLimit []RdmaEntry `json:"rdma_limit,omitempty"` - RdmaCurrent []RdmaEntry `json:"rdma_current,omitempty"` + RdmaLimit []RdmaEntry `json:"rdma_limit,omitzero"` + RdmaCurrent []RdmaEntry `json:"rdma_current,omitzero"` } type MiscStats struct { // current resource usage for a key in misc - Usage uint64 `json:"usage,omitempty"` + Usage uint64 `json:"usage,omitzero"` // number of times the resource usage was about to go over the max boundary - Events uint64 `json:"events,omitempty"` + Events uint64 `json:"events,omitzero"` } type Stats struct { - CpuStats CpuStats `json:"cpu_stats,omitempty"` - CPUSetStats CPUSetStats `json:"cpuset_stats,omitempty"` - MemoryStats MemoryStats `json:"memory_stats,omitempty"` - PidsStats PidsStats `json:"pids_stats,omitempty"` - BlkioStats BlkioStats `json:"blkio_stats,omitempty"` + CpuStats CpuStats `json:"cpu_stats,omitzero"` + CPUSetStats CPUSetStats `json:"cpuset_stats,omitzero"` + MemoryStats MemoryStats `json:"memory_stats,omitzero"` + PidsStats PidsStats `json:"pids_stats,omitzero"` + BlkioStats BlkioStats `json:"blkio_stats,omitzero"` // the map is in the format "size of hugepage: stats of the hugepage" - HugetlbStats map[string]HugetlbStats `json:"hugetlb_stats,omitempty"` - RdmaStats RdmaStats `json:"rdma_stats,omitempty"` + HugetlbStats map[string]HugetlbStats `json:"hugetlb_stats,omitzero"` + RdmaStats RdmaStats `json:"rdma_stats,omitzero"` // the map is in the format "misc resource name: stats of the key" - MiscStats map[string]MiscStats `json:"misc_stats,omitempty"` + MiscStats map[string]MiscStats `json:"misc_stats,omitzero"` } func NewStats() *Stats { @@ -211,3 +211,29 @@ func NewStats() *Stats { miscStats := make(map[string]MiscStats) return &Stats{MemoryStats: memoryStats, HugetlbStats: hugetlbStats, MiscStats: miscStats} } + +// Controller represents a cgroup controller type for stats collection. +type Controller int + +// Controller types for cgroup stats collection. +const ( + CPU Controller = 1 << iota + Memory + Pids + IO + HugeTLB + RDMA + Misc + CPUSet // v1 only +) + +// AllControllers is a bitmask of all available controllers. +const AllControllers = CPU | Memory | Pids | IO | HugeTLB | RDMA | Misc | CPUSet + +// StatsOptions specifies which controllers to retrieve statistics for. +type StatsOptions struct { + // Controllers is a bitmask of Controller values. + // If 0, all available controllers are queried (default behavior). + // Use Controller constants like: CPU | Memory | Pids + Controllers Controller +} diff --git a/vendor/github.com/opencontainers/cgroups/systemd/common.go b/vendor/github.com/opencontainers/cgroups/systemd/common.go index 537defbf2d1..42083d0f06d 100644 --- a/vendor/github.com/opencontainers/cgroups/systemd/common.go +++ b/vendor/github.com/opencontainers/cgroups/systemd/common.go @@ -77,7 +77,7 @@ func ExpandSlice(slice string) (string, error) { if sliceName == "-" { return "/", nil } - for _, component := range strings.Split(sliceName, "-") { + for component := range strings.SplitSeq(sliceName, "-") { // test--a.slice isn't permitted, nor is -test.slice. if component == "" { return "", fmt.Errorf("invalid slice name: %s", slice) diff --git a/vendor/github.com/opencontainers/cgroups/systemd/cpuset.go b/vendor/github.com/opencontainers/cgroups/systemd/cpuset.go index c6f5642dcd2..f2603620415 100644 --- a/vendor/github.com/opencontainers/cgroups/systemd/cpuset.go +++ b/vendor/github.com/opencontainers/cgroups/systemd/cpuset.go @@ -14,7 +14,7 @@ import ( func RangeToBits(str string) ([]byte, error) { bits := new(big.Int) - for _, r := range strings.Split(str, ",") { + for r := range strings.SplitSeq(str, ",") { // allow extra spaces around r = strings.TrimSpace(r) // allow empty elements (extra commas) diff --git a/vendor/github.com/opencontainers/cgroups/systemd/v1.go b/vendor/github.com/opencontainers/cgroups/systemd/v1.go index 96e69bb8608..3c3fb4cb604 100644 --- a/vendor/github.com/opencontainers/cgroups/systemd/v1.go +++ b/vendor/github.com/opencontainers/cgroups/systemd/v1.go @@ -46,6 +46,8 @@ func NewLegacyManager(cg *cgroups.Cgroup, paths map[string]string) (*LegacyManag type subsystem interface { // Name returns the name of the subsystem. Name() string + // ID returns the controller ID for filtering. + ID() cgroups.Controller // GetStats returns the stats, as 'stats', corresponding to the cgroup under 'path'. GetStats(path string, stats *cgroups.Stats) error // Set sets cgroup resource limits. @@ -69,7 +71,7 @@ var legacySubsystems = []subsystem{ &fs.NetClsGroup{}, &fs.NameGroup{GroupName: "name=systemd"}, &fs.RdmaGroup{}, - &fs.NameGroup{GroupName: "misc"}, + &fs.NameGroup{GroupName: "misc", GroupID: cgroups.Misc}, } func genV1ResourcesProperties(r *cgroups.Resources, cm *dbusConnManager) ([]systemdDbus.Property, error) { @@ -339,14 +341,32 @@ func (m *LegacyManager) GetAllPids() ([]int, error) { } func (m *LegacyManager) GetStats() (*cgroups.Stats, error) { + return m.Stats(nil) +} + +// Stats returns cgroup statistics for the specified controllers. +func (m *LegacyManager) Stats(opts *cgroups.StatsOptions) (*cgroups.Stats, error) { m.mu.Lock() defer m.mu.Unlock() + + // Default: query all controllers (same as original GetStats behavior) + controllers := cgroups.AllControllers + if opts != nil && opts.Controllers != 0 { + controllers = opts.Controllers + } + stats := cgroups.NewStats() for _, sys := range legacySubsystems { path := m.paths[sys.Name()] if path == "" { continue } + + // Filter based on controller type + if sys.ID()&controllers == 0 { + continue + } + if err := sys.GetStats(path, stats); err != nil { return nil, err } diff --git a/vendor/github.com/opencontainers/cgroups/systemd/v2.go b/vendor/github.com/opencontainers/cgroups/systemd/v2.go index f76c93e8444..cb71e9eac3b 100644 --- a/vendor/github.com/opencontainers/cgroups/systemd/v2.go +++ b/vendor/github.com/opencontainers/cgroups/systemd/v2.go @@ -497,6 +497,11 @@ func (m *UnifiedManager) GetStats() (*cgroups.Stats, error) { return m.fsMgr.GetStats() } +// Stats returns cgroup statistics for the specified controllers. +func (m *UnifiedManager) Stats(opts *cgroups.StatsOptions) (*cgroups.Stats, error) { + return m.fsMgr.Stats(opts) +} + func (m *UnifiedManager) Set(r *cgroups.Resources) error { if r == nil { return nil diff --git a/vendor/github.com/opencontainers/cgroups/utils.go b/vendor/github.com/opencontainers/cgroups/utils.go index 95b3310ab6e..469475cc8a6 100644 --- a/vendor/github.com/opencontainers/cgroups/utils.go +++ b/vendor/github.com/opencontainers/cgroups/utils.go @@ -207,7 +207,7 @@ func parseCgroupFromReader(r io.Reader) (map[string]string, error) { return nil, fmt.Errorf("invalid cgroup entry: must contain at least two colons: %v", text) } - for _, subs := range strings.Split(parts[1], ",") { + for subs := range strings.SplitSeq(parts[1], ",") { cgroups[subs] = parts[2] } } diff --git a/vendor/github.com/opencontainers/cgroups/v1_utils.go b/vendor/github.com/opencontainers/cgroups/v1_utils.go index 19b8af1344b..11025b2ed01 100644 --- a/vendor/github.com/opencontainers/cgroups/v1_utils.go +++ b/vendor/github.com/opencontainers/cgroups/v1_utils.go @@ -170,7 +170,7 @@ func getCgroupMountsHelper(ss map[string]bool, mounts []*mountinfo.Info, all boo Mountpoint: mi.Mountpoint, Root: mi.Root, } - for _, opt := range strings.Split(mi.VFSOptions, ",") { + for opt := range strings.SplitSeq(mi.VFSOptions, ",") { seen, known := ss[opt] if !known || (!all && seen) { continue diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go index 95f29e21f4e..a89c6bda194 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_linux.go @@ -10,7 +10,6 @@ import ( // Valid Label Options var validOptions = map[string]bool{ - "disable": true, "type": true, "filetype": true, "user": true, @@ -22,60 +21,74 @@ var ErrIncompatibleLabel = errors.New("bad SELinux option: z and Z can not be us // InitLabels returns the process label and file labels to be used within // the container. A list of options can be passed into this function to alter -// the labels. The labels returned will include a random MCS String, that is -// guaranteed to be unique. +// the labels. +// +// Unless the "level" option is provided (to set a custom level), the labels +// returned will include a random MCS string guaranteed to be unique in the +// scope of the process using this package. If the "level" option is provided, +// the custom level set is reserved but not checked to be unique. +// // If the disabled flag is passed in, the process label will not be set, but the mount label will be set // to the container_file label with the maximum category. This label is not usable by any confined label. func InitLabels(options []string) (plabel string, mlabel string, retErr error) { if !selinux.GetEnabled() { return "", "", nil } - processLabel, mountLabel := selinux.ContainerLabels() - if processLabel != "" { - defer func() { - if retErr != nil { - selinux.ReleaseLabel(mountLabel) - } - }() - pcon, err := selinux.NewContext(processLabel) - if err != nil { - return "", "", err - } - mcsLevel := pcon["level"] - mcon, err := selinux.NewContext(mountLabel) - if err != nil { - return "", "", err - } - for _, opt := range options { - if opt == "disable" { - selinux.ReleaseLabel(mountLabel) - return "", selinux.PrivContainerMountLabel(), nil - } - if i := strings.Index(opt, ":"); i == -1 { - return "", "", fmt.Errorf("bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt) - } - con := strings.SplitN(opt, ":", 2) - if !validOptions[con[0]] { - return "", "", fmt.Errorf("bad label option %q, valid options 'disable, user, role, level, type, filetype'", con[0]) - } - if con[0] == "filetype" { - mcon["type"] = con[1] - continue - } - pcon[con[0]] = con[1] - if con[0] == "level" || con[0] == "user" { - mcon[con[0]] = con[1] - } - } - if pcon.Get() != processLabel { - if pcon["level"] != mcsLevel { - selinux.ReleaseLabel(processLabel) - } - processLabel = pcon.Get() - selinux.ReserveLabel(processLabel) - } - mountLabel = mcon.Get() + if len(options) > 0 && options[0] == "disable" { + return "", selinux.PrivContainerMountLabel(), nil } + processLabel, mountLabel := selinux.ContainerLabels() //nolint:staticcheck // ContainerLabels will be moved to an internal package. + if processLabel == "" || len(options) == 0 { + // 1. processLabel is required; if empty, do nothing. + // 2. If there are no options to process, we're done. + return processLabel, mountLabel, nil + } + defer func() { + if retErr != nil { + selinux.ReleaseLabel(mountLabel) + } + }() + pcon, err := selinux.NewContext(processLabel) + if err != nil { + return "", "", err + } + mcsLevel := pcon["level"] + mcon, err := selinux.NewContext(mountLabel) + if err != nil { + return "", "", err + } + for _, opt := range options { + // For backward compatibility, process "disable" + // even if it's not the only option. + if opt == "disable" { + selinux.ReleaseLabel(mountLabel) + return "", selinux.PrivContainerMountLabel(), nil + } + k, v, ok := strings.Cut(opt, ":") + if !ok || !validOptions[k] { + return "", "", fmt.Errorf("bad label option %q, valid options 'disable' or \n'user, role, level, type, filetype' followed by ':' and a value", opt) + } + if k == "filetype" { + mcon["type"] = v + continue + } + pcon[k] = v + if k == "level" || k == "user" { + mcon[k] = v + } + } + if p := pcon.Get(); p != processLabel { + if pcon["level"] != mcsLevel { + selinux.ReleaseLabel(processLabel) + // Ignore ErrMCSAlreadyExists as label is user-specified and might be + // already reserved (e.g. when containers in a pod use the same label). + if err := selinux.ReserveLabelV2(p); err != nil && !errors.Is(err, selinux.ErrMCSAlreadyExists) { + return "", "", err + } + } + processLabel = p + } + mountLabel = mcon.Get() return processLabel, mountLabel, nil } diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go index 7a54afc5e6d..6cbf8876e39 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/label/label_stub.go @@ -1,5 +1,4 @@ //go:build !linux -// +build !linux package label diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go index 15150d47528..ad30aa960b0 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux.go @@ -26,11 +26,6 @@ var ( // ErrInvalidLabel is returned when an invalid label is specified. ErrInvalidLabel = errors.New("invalid Label") - // InvalidLabel is returned when an invalid label is specified. - // - // Deprecated: use [ErrInvalidLabel]. - InvalidLabel = ErrInvalidLabel - // ErrIncomparable is returned two levels are not comparable ErrIncomparable = errors.New("incomparable levels") // ErrLevelSyntax is returned when a sensitivity or category do not have correct syntax in a level @@ -45,12 +40,29 @@ var ( // is not the thread group leader. ErrNotTGLeader = errors.New("calling thread is not the thread group leader") - // CategoryRange allows the upper bound on the category range to be adjusted + // CategoryRange allows the upper bound on the category range to be adjusted. + // + // Deprecated: use [SetCategoryRange] instead. CategoryRange = DefaultCategoryRange privContainerMountLabel string ) +// ProcessKind selects which process domain [SetProcessKind] applies to a label. +type ProcessKind int + +const ( + ProcessKindRegular ProcessKind = 1 + ProcessKindInit ProcessKind = 2 + ProcessKindKVM ProcessKind = 3 +) + +// SetProcessKind returns label with its type component replaced by the one +// corresponding to kind. Other label components are kept intact. +func SetProcessKind(label string, kind ProcessKind) (string, error) { + return setProcessKind(label, kind) +} + // Context is a representation of the SELinux label broken into 4 parts type Context map[string]string @@ -64,6 +76,16 @@ func GetEnabled() bool { return getEnabled() } +// SetCategoryRange allows to adjust the upper bound of the category range. +// It affects subsequent calls to [KVMContainerLabel] and [InitContainerLabel]. +func SetCategoryRange(upper uint32) error { + if upper > DefaultCategoryRange { + return errors.New("can't have more than DefaultCategoryRange categories") + } + CategoryRange = upper + return nil +} + // ClassIndex returns the int index for an object class in the loaded policy, // or -1 and an error func ClassIndex(class string) (int, error) { @@ -107,12 +129,12 @@ func SetFSCreateLabel(label string) error { // FSCreateLabel returns the default label the kernel which the kernel is using // for file system objects created by this task. "" indicates default. func FSCreateLabel() (string, error) { - return fsCreateLabel() + return readConThreadSelf("attr/fscreate") } // CurrentLabel returns the SELinux label of the current process thread, or an error. func CurrentLabel() (string, error) { - return currentLabel() + return readConThreadSelf("attr/current") } // PidLabel returns the SELinux label of the given pid, or an error. @@ -123,7 +145,7 @@ func PidLabel(pid int) (string, error) { // ExecLabel returns the SELinux label that the kernel will use for any programs // that are executed by the current process thread, or an error. func ExecLabel() (string, error) { - return execLabel() + return readConThreadSelf("attr/exec") } // CanonicalizeContext takes a context string and writes it to the kernel @@ -180,7 +202,7 @@ func SocketLabel() (string, error) { // PeerLabel retrieves the label of the client on the other side of a socket func PeerLabel(fd uintptr) (string, error) { - return peerLabel(fd) + return peerLabel(int(fd)) //#nosec G115 -- ignore "integer overflow conversion uintptr -> int". } // SetKeyLabel takes a process label and tells the kernel to assign the @@ -216,9 +238,27 @@ func ClearLabels() { clearLabels() } -// ReserveLabel reserves the MLS/MCS level component of the specified label +// ReserveLabel reserves the MLS/MCS level component of the specified label. +// +// Deprecated: use [ReserveLabelV2] instead. func ReserveLabel(label string) { - reserveLabel(label) + _ = reserveLabel(label) +} + +// ReserveLabelV2 reserves the MLS/MCS level component of the specified label. +// Labels without MLS/MCS category component (":c") are ignored. +// Returns an error if the label can't be reserved. +// +// Callers that are intentionally reusing an existing level/MCS (e.g. multiple +// container in a pod sharing a label) may safely ignore [ErrMCSAlreadyExists] +// error. +func ReserveLabelV2(label string) error { + return reserveLabel(label) +} + +// CheckLabel check the MLS/MCS level component of the specified label +func CheckLabel(label string) error { + return checkLabel(label) } // MLSEnabled checks if MLS is enabled. @@ -250,25 +290,51 @@ func ReleaseLabel(label string) { releaseLabel(label) } -// ROFileLabel returns the specified SELinux readonly file label +// ROFileLabel returns the specified SELinux readonly file label. +// +// Deprecated: this (apparently) has no users and will be removed from the +// future version of this package. Open a bug report if you use it. func ROFileLabel() string { return roFileLabel() } // KVMContainerLabels returns the default processLabel and mountLabel to be used // for kvm containers by the calling process. +// +// Deprecated: use [KVMContainerLabel] instead. func KVMContainerLabels() (string, string) { return kvmContainerLabels() } +// KVMContainerLabel returns the default process label to be used +// for KVM containers by the calling process. +// +// If you only need to change a type of existing label, use [SetProcessKind] instead. +func KVMContainerLabel() (string, error) { + return kvmContainerLabel() +} + // InitContainerLabels returns the default processLabel and file labels to be // used for containers running an init system like systemd by the calling process. +// +// Deprecated: use [InitContainerLabel] instead. func InitContainerLabels() (string, string) { return initContainerLabels() } +// InitContainerLabel returns the default process label to be used +// for containers running an init system like systemd by the calling process. +// +// If you only need to change a type of existing label, use [SetProcessKind] instead. +func InitContainerLabel() (string, error) { + return initContainerLabel() +} + // ContainerLabels returns an allocated processLabel and fileLabel to be used for // container labeling by the calling process. +// +// Deprecated: this (apparently) has no users and will be removed from the +// future version of this package. Open a bug report if you use it. func ContainerLabels() (processLabel string, fileLabel string) { return containerLabels() } @@ -305,11 +371,19 @@ func DisableSecOpt() []string { return []string{"disable"} } +// SEUserByName retrieves the SELinux username and security level for a given +// Linux username. The username and security level is based on the +// /etc/selinux/{SELINUXTYPE}/seusers file. +func SEUserByName(username string) (seUser string, level string, err error) { + return getSeUserByName(username) +} + // GetDefaultContextWithLevel gets a single context for the specified SELinux user // identity that is reachable from the specified scon context. The context is based // on the per-user /etc/selinux/{SELINUXTYPE}/contexts/users/ if it exists, // and falls back to the global /etc/selinux/{SELINUXTYPE}/contexts/default_contexts -// file. +// file and finally the global /etc/selinux/{SELINUXTYPE}/contexts/failsafe_context +// file if no match can be found anywhere else. func GetDefaultContextWithLevel(user, level, scon string) (string, error) { return getDefaultContextWithLevel(user, level, scon) } diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go index 6d7f8e270bd..6ee2814a317 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_linux.go @@ -3,16 +3,16 @@ package selinux import ( "bufio" "bytes" - "crypto/rand" - "encoding/binary" "errors" "fmt" "io" "io/fs" "math/big" + "math/rand/v2" "os" "os/user" "path/filepath" + "slices" "strconv" "strings" "sync" @@ -30,6 +30,7 @@ const ( selinuxDir = "/etc/selinux/" selinuxUsersDir = "contexts/users" defaultContexts = "contexts/default_contexts" + failsafeContext = "contexts/failsafe_context" selinuxConfig = selinuxDir + "config" selinuxfsMount = "/sys/fs/selinux" selinuxTypeTag = "SELINUXTYPE" @@ -38,11 +39,9 @@ const ( ) type selinuxState struct { - mcsList map[string]bool - selinuxfs string - selinuxfsOnce sync.Once - enabledSet bool - enabled bool + mcsList map[string]struct{} + enabledSet bool + enabled bool sync.Mutex } @@ -56,10 +55,19 @@ type mlsRange struct { high *level } +type openReaderCloser func() (io.ReadCloser, error) + +func createOpener(path string) openReaderCloser { + return func() (io.ReadCloser, error) { + return os.Open(path) + } +} + type defaultSECtx struct { - userRdr io.Reader + openUserRdr openReaderCloser verifier func(string) error - defaultRdr io.Reader + openDefaultRdr openReaderCloser + openFailsafeRdr openReaderCloser user, level, scon string } @@ -72,26 +80,15 @@ const ( var ( readOnlyFileLabel string - state = selinuxState{ - mcsList: make(map[string]bool), + + state = selinuxState{ + mcsList: make(map[string]struct{}), } - - // for policyRoot() - policyRootOnce sync.Once - policyRootVal string - - // for label() - loadLabelsOnce sync.Once - labels map[string]string ) -func policyRoot() string { - policyRootOnce.Do(func() { - policyRootVal = filepath.Join(selinuxDir, readConfig(selinuxTypeTag)) - }) - - return policyRootVal -} +var policyRoot = sync.OnceValue(func() string { + return filepath.Join(selinuxDir, readConfig(selinuxTypeTag)) +}) func (s *selinuxState) setEnable(enabled bool) bool { s.Lock() @@ -148,7 +145,12 @@ func verifySELinuxfsMount(mnt string) bool { return true } -func findSELinuxfs() string { +// getSelinuxMountPoint returns the path to the mountpoint of an selinuxfs +// filesystem or an empty string if no mountpoint is found. Selinuxfs is +// a proc-like pseudo-filesystem that exposes the SELinux policy API to +// processes. The existence of an selinuxfs mount is used to determine +// whether SELinux is currently enabled or not. +var getSelinuxMountPoint = sync.OnceValue(func() string { // fast path: check the default mount first if verifySELinuxfsMount(selinuxfsMount) { return selinuxfsMount @@ -180,7 +182,7 @@ func findSELinuxfs() string { return mnt } } -} +}) // findSELinuxfsMount returns a next selinuxfs mount point found, // if there is one, or an empty string in case of EOF or error. @@ -203,23 +205,6 @@ func findSELinuxfsMount(s *bufio.Scanner) string { return "" } -func (s *selinuxState) getSELinuxfs() string { - s.selinuxfsOnce.Do(func() { - s.selinuxfs = findSELinuxfs() - }) - - return s.selinuxfs -} - -// getSelinuxMountPoint returns the path to the mountpoint of an selinuxfs -// filesystem or an empty string if no mountpoint is found. Selinuxfs is -// a proc-like pseudo-filesystem that exposes the SELinux policy API to -// processes. The existence of an selinuxfs mount is used to determine -// whether SELinux is currently enabled or not. -func getSelinuxMountPoint() string { - return state.getSELinuxfs() -} - // getEnabled returns whether SELinux is currently enabled. func getEnabled() bool { return state.getEnabled() @@ -244,12 +229,9 @@ func readConfig(target string) string { // Skip comments continue } - fields := bytes.SplitN(line, []byte{'='}, 2) - if len(fields) != 2 { - continue - } - if bytes.Equal(fields[0], []byte(target)) { - return string(bytes.Trim(fields[1], `"`)) + key, val, ok := bytes.Cut(line, []byte{'='}) + if ok && string(key) == target { + return string(bytes.Trim(val, `"`)) } } return "" @@ -530,17 +512,6 @@ func setFSCreateLabel(label string) error { return writeConThreadSelf("attr/fscreate", label) } -// fsCreateLabel returns the default label the kernel which the kernel is using -// for file system objects created by this task. "" indicates default. -func fsCreateLabel() (string, error) { - return readConThreadSelf("attr/fscreate") -} - -// currentLabel returns the SELinux label of the current process thread, or an error. -func currentLabel() (string, error) { - return readConThreadSelf("attr/current") -} - // pidLabel returns the SELinux label of the given pid, or an error. func pidLabel(pid int) (string, error) { it, err := openProcPid(pid, "attr/current", os.O_RDONLY|unix.O_CLOEXEC) @@ -551,12 +522,6 @@ func pidLabel(pid int) (string, error) { return readConFd(it) } -// ExecLabel returns the SELinux label that the kernel will use for any programs -// that are executed by the current process thread, or an error. -func execLabel() (string, error) { - return readConThreadSelf("exec") -} - // canonicalizeContext takes a context string and writes it to the kernel // the function then returns the context that the kernel will use. Use this // function to check if two contexts are equivalent @@ -581,13 +546,12 @@ func catsToBitset(cats string) (*big.Int, error) { catlist := strings.Split(cats, ",") for _, r := range catlist { - ranges := strings.SplitN(r, ".", 2) - if len(ranges) > 1 { - catstart, err := parseLevelItem(ranges[0], category) + if s, e, ok := strings.Cut(r, "."); ok { + catstart, err := parseLevelItem(s, category) if err != nil { return nil, err } - catend, err := parseLevelItem(ranges[1], category) + catend, err := parseLevelItem(e, category) if err != nil { return nil, err } @@ -595,7 +559,7 @@ func catsToBitset(cats string) (*big.Int, error) { bitset.SetBit(bitset, i, 1) } } else { - cat, err := parseLevelItem(ranges[0], category) + cat, err := parseLevelItem(r, category) if err != nil { return nil, err } @@ -623,14 +587,14 @@ func parseLevelItem(s string, sep levelItem) (int, error) { // parseLevel fills a level from a string that contains // a sensitivity and categories func (l *level) parseLevel(levelStr string) error { - lvl := strings.SplitN(levelStr, ":", 2) - sens, err := parseLevelItem(lvl[0], sensitivity) + s, c, ok := strings.Cut(levelStr, ":") + sens, err := parseLevelItem(s, sensitivity) if err != nil { return fmt.Errorf("failed to parse sensitivity: %w", err) } l.sens = sens - if len(lvl) > 1 { - cats, err := catsToBitset(lvl[1]) + if ok { + cats, err := catsToBitset(c) if err != nil { return fmt.Errorf("failed to parse categories: %w", err) } @@ -643,25 +607,19 @@ func (l *level) parseLevel(levelStr string) error { // rangeStrToMLSRange marshals a string representation of a range. func rangeStrToMLSRange(rangeStr string) (*mlsRange, error) { r := &mlsRange{} - l := strings.SplitN(rangeStr, "-", 2) - - switch len(l) { - // rangeStr that has a low and a high level, e.g. s4:c0.c1023-s6:c0.c1023 - case 2: - r.high = &level{} - if err := r.high.parseLevel(l[1]); err != nil { - return nil, fmt.Errorf("failed to parse high level %q: %w", l[1], err) - } - fallthrough - // rangeStr that is single level, e.g. s6:c0,c3,c5,c30.c1023 - case 1: - r.low = &level{} - if err := r.low.parseLevel(l[0]); err != nil { - return nil, fmt.Errorf("failed to parse low level %q: %w", l[0], err) - } + lo, hi, ok := strings.Cut(rangeStr, "-") + r.low = &level{} + if err := r.low.parseLevel(lo); err != nil { + return nil, fmt.Errorf("failed to parse low level %q: %w", lo, err) } - - if r.high == nil { + if ok { + // rangeStr that has a low and a high level, e.g. s4:c0.c1023-s6:c0.c1023. + r.high = &level{} + if err := r.high.parseLevel(hi); err != nil { + return nil, fmt.Errorf("failed to parse high level %q: %w", hi, err) + } + } else { + // rangeStr that is single level, e.g. s6:c0,c3,c5,c30.c1023. r.high = r.low } @@ -732,22 +690,6 @@ func (m mlsRange) String() string { return low + "-" + high } -// TODO: remove these in favor of built-in min/max -// once we stop supporting Go < 1.21. -func maxInt(a, b int) int { - if a > b { - return a - } - return b -} - -func minInt(a, b int) int { - if a < b { - return a - } - return b -} - // calculateGlbLub computes the glb (greatest lower bound) and lub (least upper bound) // of a source and target range. // The glblub is calculated as the greater of the low sensitivities and @@ -770,10 +712,10 @@ func calculateGlbLub(sourceRange, targetRange string) (string, error) { outrange := &mlsRange{low: &level{}, high: &level{}} /* take the greatest of the low */ - outrange.low.sens = maxInt(s.low.sens, t.low.sens) + outrange.low.sens = max(s.low.sens, t.low.sens) /* take the least of the high */ - outrange.high.sens = minInt(s.high.sens, t.high.sens) + outrange.high.sens = min(s.high.sens, t.high.sens) /* find the intersecting categories */ if s.low.cats != nil && t.low.cats != nil { @@ -807,10 +749,10 @@ func readWriteCon(fpath string, val string) (string, error) { } // peerLabel retrieves the label of the client on the other side of a socket -func peerLabel(fd uintptr) (string, error) { - l, err := unix.GetsockoptString(int(fd), unix.SOL_SOCKET, unix.SO_PEERSEC) +func peerLabel(fd int) (string, error) { + l, err := unix.GetsockoptString(fd, unix.SOL_SOCKET, unix.SO_PEERSEC) if err != nil { - return "", &os.PathError{Op: "getsockopt", Path: "fd " + strconv.Itoa(int(fd)), Err: err} + return "", &os.PathError{Op: "getsockopt", Path: "fd " + strconv.Itoa(fd), Err: err} } return l, nil } @@ -871,18 +813,34 @@ func newContext(label string) (Context, error) { // clearLabels clears all reserved labels func clearLabels() { state.Lock() - state.mcsList = make(map[string]bool) + state.mcsList = make(map[string]struct{}) state.Unlock() } -// reserveLabel reserves the MLS/MCS level component of the specified label -func reserveLabel(label string) { +// reserveLabel reserves the MLS/MCS level component of the specified label. +func reserveLabel(label string) error { if len(label) != 0 { con := strings.SplitN(label, ":", 4) if len(con) > 3 { - _ = mcsAdd(con[3]) + return mcsAdd(con[3]) } } + + return nil +} + +func checkLabel(label string) error { + if len(label) != 0 { + con := strings.SplitN(label, ":", 4) + if len(con) > 3 { + state.Lock() + defer state.Unlock() + if _, exist := state.mcsList[con[3]]; exist { + return ErrMCSAlreadyExists + } + } + } + return nil } func selinuxEnforcePath() string { @@ -932,16 +890,18 @@ func defaultEnforceMode() int { return Disabled } +// mcsAdd reserves a level. If the argument is empty or does not contain +// MCS/MLS category component (no ":c"), it is ignored. func mcsAdd(mcs string) error { - if mcs == "" { + if !strings.Contains(mcs, ":c") { return nil } state.Lock() defer state.Unlock() - if state.mcsList[mcs] { + if _, exist := state.mcsList[mcs]; exist { return ErrMCSAlreadyExists } - state.mcsList[mcs] = true + state.mcsList[mcs] = struct{}{} return nil } @@ -951,41 +911,21 @@ func mcsDelete(mcs string) { } state.Lock() defer state.Unlock() - state.mcsList[mcs] = false -} - -func intToMcs(id int, catRange uint32) string { - var ( - SETSIZE = int(catRange) - TIER = SETSIZE - ORD = id - ) - - if id < 1 || id > 523776 { - return "" - } - - for ORD > TIER { - ORD -= TIER - TIER-- - } - TIER = SETSIZE - TIER - ORD += TIER - return fmt.Sprintf("s0:c%d,c%d", TIER, ORD) + delete(state.mcsList, mcs) } func uniqMcs(catRange uint32) string { var ( - n uint32 c1, c2 uint32 mcs string ) for { - _ = binary.Read(rand.Reader, binary.LittleEndian, &n) - c1 = n % catRange - _ = binary.Read(rand.Reader, binary.LittleEndian, &n) - c2 = n % catRange + //#nosec G404 -- using slightly more predictable MCS labels won't affect security, so it's fine to use math/rand/v2 here. + { + c1 = rand.Uint32N(catRange) + c2 = rand.Uint32N(catRange) + } if c1 == c2 { continue } else if c1 > c2 { @@ -1023,11 +963,11 @@ func openContextFile() (*os.File, error) { return os.Open(filepath.Join(policyRoot(), "contexts", "lxc_contexts")) } -func loadLabels() { - labels = make(map[string]string) +var loadLabels = sync.OnceValue(func() map[string]string { + labels := make(map[string]string) in, err := openContextFile() if err != nil { - return + return labels } defer in.Close() @@ -1043,25 +983,21 @@ func loadLabels() { // Skip comments continue } - fields := bytes.SplitN(line, []byte{'='}, 2) - if len(fields) != 2 { - continue + if key, val, ok := bytes.Cut(line, []byte{'='}); ok { + key, val = bytes.TrimSpace(key), bytes.TrimSpace(val) + labels[string(key)] = string(bytes.Trim(val, `"`)) } - key, val := bytes.TrimSpace(fields[0]), bytes.TrimSpace(fields[1]) - labels[string(key)] = string(bytes.Trim(val, `"`)) } con, _ := NewContext(labels["file"]) con["level"] = fmt.Sprintf("s0:c%d,c%d", maxCategory-2, maxCategory-1) privContainerMountLabel = con.get() - reserveLabel(privContainerMountLabel) -} + _ = reserveLabel(privContainerMountLabel) + return labels +}) func label(key string) string { - loadLabelsOnce.Do(func() { - loadLabels() - }) - return labels[key] + return loadLabels()[key] } // kvmContainerLabels returns the default processLabel and mountLabel to be used @@ -1075,6 +1011,15 @@ func kvmContainerLabels() (string, string) { return addMcs(processLabel, label("file")) } +func kvmContainerLabel() (string, error) { + processLabel := label("kvm_process") + if processLabel == "" { + processLabel = label("process") + } + pLabel, _, err := addMcsProc(processLabel) + return pLabel, err +} + // initContainerLabels returns the default processLabel and file labels to be // used for containers running an init system like systemd by the calling process. func initContainerLabels() (string, string) { @@ -1086,6 +1031,16 @@ func initContainerLabels() (string, string) { return addMcs(processLabel, label("file")) } +func initContainerLabel() (string, error) { + processLabel := label("init_process") + if processLabel == "" { + processLabel = label("process") + } + + pLabel, _, err := addMcsProc(processLabel) + return pLabel, err +} + // containerLabels returns an allocated processLabel and fileLabel to be used for // container labeling by the calling process. func containerLabels() (processLabel string, fileLabel string) { @@ -1108,13 +1063,24 @@ func containerLabels() (processLabel string, fileLabel string) { return addMcs(processLabel, fileLabel) } -func addMcs(processLabel, fileLabel string) (string, string) { - scon, _ := NewContext(processLabel) +func addMcsProc(processLabel string) (string, string, error) { + var mcs string + scon, err := NewContext(processLabel) + if err != nil { + return "", "", err + } if scon["level"] != "" { - mcs := uniqMcs(CategoryRange) + mcs = uniqMcs(CategoryRange) scon["level"] = mcs processLabel = scon.Get() - scon, _ = NewContext(fileLabel) + } + return processLabel, mcs, nil +} + +func addMcs(processLabel, fileLabel string) (string, string) { + processLabel, mcs, _ := addMcsProc(processLabel) + if mcs != "" { + scon, _ := NewContext(fileLabel) scon["level"] = mcs fileLabel = scon.Get() } @@ -1281,6 +1247,111 @@ func dupSecOpt(src string) ([]string, error) { return dup, nil } +// checkGroup returns true if group's GID is in the list of GIDs gids. +func checkGroup(group string, gids []string, lookupGroup func(string) (*user.Group, error)) bool { + grp, err := lookupGroup(group) + if err != nil { + return false + } + + return slices.Contains(gids, grp.Gid) +} + +// getSeUserFromReader reads the seusers file: https://www.man7.org/linux/man-pages/man5/seusers.5.html +func getSeUserFromReader(username string, gids []string, r io.Reader, lookupGroup func(string) (*user.Group, error)) (seUser string, level string, err error) { + var defaultSeUser, defaultLevel string + var groupSeUser, groupLevel string + + lineNum := -1 + scanner := bufio.NewScanner(r) + for scanner.Scan() { + rawLine := scanner.Text() + lineNum++ + + // remove any trailing comments, then extra whitespace + line, _, _ := strings.Cut(rawLine, "#") + line = strings.TrimSpace(line) + if line == "" { + continue + } + + userField, rest, ok := strings.Cut(line, ":") + if !ok { + return "", "", fmt.Errorf("line %d: malformed line", lineNum) + } + if userField == "" { + return "", "", fmt.Errorf("line %d: user_id or group_id is empty", lineNum) + } + seUserField, rest, ok := strings.Cut(rest, ":") + if seUserField == "" { + return "", "", fmt.Errorf("line %d: seuser_id is empty", lineNum) + } + var levelField string + // level is optional + if ok { + levelField = rest + } + + // we found a match, return it + if userField == username { + return seUserField, levelField, nil + } + + // if the first field starts with '%' it's a group, check if + // the user is a member of that group and set the group + // SELinux user and level if so + if userField[0] == '%' && groupSeUser == "" { + if checkGroup(userField[1:], gids, lookupGroup) { + groupSeUser = seUserField + groupLevel = levelField + } + } else if userField == "__default__" && defaultSeUser == "" { + defaultSeUser = seUserField + defaultLevel = levelField + } + } + if err := scanner.Err(); err != nil { + return "", "", fmt.Errorf("failed to read seusers file: %w", err) + } + + if groupSeUser != "" { + return groupSeUser, groupLevel, nil + } + if defaultSeUser != "" { + return defaultSeUser, defaultLevel, nil + } + + return "", "", fmt.Errorf("could not find SELinux user for %q login", username) +} + +// getSeUserByName returns an SELinux user and MLS level that is +// mapped to a given Linux user. +func getSeUserByName(username string) (string, string, error) { + seUsersConf := filepath.Join(policyRoot(), "seusers") + confFile, err := os.Open(seUsersConf) + if err != nil { + return "", "", fmt.Errorf("failed to open seusers file: %w", err) + } + defer confFile.Close() + + usr, err := user.Lookup(username) + if err != nil { + return "", "", err + } + gids, err := usr.GroupIds() + if err != nil { + return "", "", err + } + gids = append([]string{usr.Gid}, gids...) + + seUser, level, err := getSeUserFromReader(username, gids, confFile, user.LookupGroup) + if err != nil { + return "", "", fmt.Errorf("failed to parse seusers file: %w", err) + } + + return seUser, level, nil +} + // findUserInContext scans the reader for a valid SELinux context // match that is verified with the verifier. Invalid contexts are // skipped. It returns a matched context or an empty string if no @@ -1338,6 +1409,33 @@ func findUserInContext(context Context, r io.Reader, verifier func(string) error return "", nil } +// getFailsafeContext returns the context in the failsafe_context file: +// https://www.man7.org/linux/man-pages/man5/failsafe_context.5.html +func getFailsafeContext(context Context, r io.Reader, verifier func(string) error) (string, error) { + conn := make([]byte, 256) + limReader := io.LimitReader(r, int64(len(conn))) + _, err := limReader.Read(conn) + if err != nil { + return "", fmt.Errorf("failed to read failsafe context: %w", err) + } + + conn = bytes.TrimSpace(conn) + toConns := strings.SplitN(string(conn), ":", 4) + if len(toConns) != 3 { + return "", nil + } + + context["role"] = toConns[0] + context["type"] = toConns[1] + + outConn := context.get() + if err := verifier(outConn); err != nil { + return "", err + } + + return outConn, nil +} + func getDefaultContextFromReaders(c *defaultSECtx) (string, error) { if c.verifier == nil { return "", ErrVerifierNil @@ -1352,18 +1450,45 @@ func getDefaultContextFromReaders(c *defaultSECtx) (string, error) { context["user"] = c.user context["level"] = c.level - conn, err := findUserInContext(context, c.userRdr, c.verifier) + userRdr, err := c.openUserRdr() if err != nil { - return "", err + return "", fmt.Errorf("failed to open user context file: %w", err) + } + defer userRdr.Close() + + conn, err := findUserInContext(context, userRdr, c.verifier) + if err != nil { + return "", fmt.Errorf("failed to read %q's user context file: %w", c.user, err) } if conn != "" { return conn, nil } - conn, err = findUserInContext(context, c.defaultRdr, c.verifier) + defaultRdr, err := c.openDefaultRdr() if err != nil { - return "", err + return "", fmt.Errorf("failed to open default context file: %w", err) + } + defer defaultRdr.Close() + + conn, err = findUserInContext(context, defaultRdr, c.verifier) + if err != nil { + return "", fmt.Errorf("failed to read default user context file: %w", err) + } + + if conn != "" { + return conn, nil + } + + failsafeRdr, err := c.openFailsafeRdr() + if err != nil { + return "", fmt.Errorf("failed to open failsafe context file: %w", err) + } + defer failsafeRdr.Close() + + conn, err = getFailsafeContext(context, failsafeRdr, c.verifier) + if err != nil { + return "", fmt.Errorf("failed to read failsafe_context: %w", err) } if conn != "" { @@ -1375,27 +1500,61 @@ func getDefaultContextFromReaders(c *defaultSECtx) (string, error) { func getDefaultContextWithLevel(user, level, scon string) (string, error) { userPath := filepath.Join(policyRoot(), selinuxUsersDir, user) - fu, err := os.Open(userPath) - if err != nil { - return "", err - } - defer fu.Close() - defaultPath := filepath.Join(policyRoot(), defaultContexts) - fd, err := os.Open(defaultPath) - if err != nil { - return "", err - } - defer fd.Close() + failsafePath := filepath.Join(policyRoot(), failsafeContext) c := defaultSECtx{ - user: user, - level: level, - scon: scon, - userRdr: fu, - defaultRdr: fd, - verifier: securityCheckContext, + user: user, + level: level, + scon: scon, + openUserRdr: createOpener(userPath), + openDefaultRdr: createOpener(defaultPath), + openFailsafeRdr: createOpener(failsafePath), + verifier: securityCheckContext, } return getDefaultContextFromReaders(&c) } + +func (k ProcessKind) keys() (primary, fallback string, ok bool) { + switch k { + case ProcessKindRegular: + return "process", "", true + case ProcessKindInit: + return "init_process", "process", true + case ProcessKindKVM: + return "kvm_process", "process", true + } + return "", "", false +} + +func setProcessKind(cLabel string, k ProcessKind) (string, error) { + if cLabel == "" { + return "", nil + } + primary, fallback, ok := k.keys() + if !ok { + return "", fmt.Errorf("selinux.SetProcessKind: invalid ProcessKind %d", k) + } + + src := label(primary) + if src == "" && fallback != "" { + src = label(fallback) + } + if src == "" { + return cLabel, nil + } + + // Replace cLabel type with one from src. + srcCtx, err := newContext(src) + if err != nil { + return "", fmt.Errorf("selinux.SetProcessKind: invalid %s label %s: %w", primary, src, err) + } + dstCtx, err := newContext(cLabel) + if err != nil { + return "", fmt.Errorf("selinux.SetProcessKind: invalid label %s: %w", cLabel, err) + } + + dstCtx["type"] = srcCtx["type"] + return dstCtx.get(), nil +} diff --git a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go index 382244e5036..d01bf2615e8 100644 --- a/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go +++ b/vendor/github.com/opencontainers/selinux/go-selinux/selinux_stub.go @@ -1,5 +1,4 @@ //go:build !linux -// +build !linux package selinux @@ -41,22 +40,10 @@ func setFSCreateLabel(string) error { return nil } -func fsCreateLabel() (string, error) { - return "", nil -} - -func currentLabel() (string, error) { - return "", nil -} - func pidLabel(int) (string, error) { return "", nil } -func execLabel() (string, error) { - return "", nil -} - func canonicalizeContext(string) (string, error) { return "", nil } @@ -69,7 +56,7 @@ func calculateGlbLub(string, string) (string, error) { return "", nil } -func peerLabel(uintptr) (string, error) { +func peerLabel(int) (string, error) { return "", nil } @@ -92,7 +79,12 @@ func newContext(string) (Context, error) { func clearLabels() { } -func reserveLabel(string) { +func reserveLabel(string) error { + return nil +} + +func checkLabel(string) error { + return nil } func isMLSEnabled() bool { @@ -122,10 +114,18 @@ func kvmContainerLabels() (string, string) { return "", "" } +func kvmContainerLabel() (string, error) { + return "", nil +} + func initContainerLabels() (string, string) { return "", "" } +func initContainerLabel() (string, error) { + return "", nil +} + func containerLabels() (string, string) { return "", "" } @@ -146,6 +146,10 @@ func dupSecOpt(string) ([]string, error) { return nil, nil } +func getSeUserByName(string) (string, string, error) { + return "", "", nil +} + func getDefaultContextWithLevel(string, string, string) (string, error) { return "", nil } @@ -153,3 +157,7 @@ func getDefaultContextWithLevel(string, string, string) (string, error) { func label(_ string) string { return "" } + +func setProcessKind(string, ProcessKind) (string, error) { + return "", nil +} diff --git a/vendor/github.com/opencontainers/selinux/pkg/pwalkdir/pwalkdir.go b/vendor/github.com/opencontainers/selinux/pkg/pwalkdir/pwalkdir.go index 5d2d09a2985..d361dcb64ce 100644 --- a/vendor/github.com/opencontainers/selinux/pkg/pwalkdir/pwalkdir.go +++ b/vendor/github.com/opencontainers/selinux/pkg/pwalkdir/pwalkdir.go @@ -1,6 +1,3 @@ -//go:build go1.16 -// +build go1.16 - package pwalkdir import ( @@ -92,7 +89,7 @@ func WalkN(root string, walkFn fs.WalkDirFunc, num int) error { }() wg.Add(num) - for i := 0; i < num; i++ { + for range num { go func() { for file := range files { if e := walkFn(file.path, file.entry, nil); e != nil { diff --git a/vendor/modules.txt b/vendor/modules.txt index 8e09745cd60..c7d7edf9404 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -5,7 +5,7 @@ bitbucket.org/bertimus9/systemstat # cel.dev/expr v0.25.1 ## explicit; go 1.23.0 cel.dev/expr -# cyphar.com/go-pathrs v0.2.2 +# cyphar.com/go-pathrs v0.2.5 ## explicit; go 1.18 cyphar.com/go-pathrs cyphar.com/go-pathrs/internal/fdutils @@ -70,7 +70,7 @@ github.com/chai2010/gettext-go/po # github.com/container-storage-interface/spec v1.9.0 ## explicit; go 1.18 github.com/container-storage-interface/spec/lib/go/csi -# github.com/containerd/containerd/api v1.11.0 +# github.com/containerd/containerd/api v1.11.1 ## explicit; go 1.24.0 github.com/containerd/containerd/api/services/containers/v1 github.com/containerd/containerd/api/services/tasks/v1 @@ -106,7 +106,7 @@ github.com/coreos/go-systemd/v22/util # github.com/cpuguy83/go-md2man/v2 v2.0.6 ## explicit; go 1.12 github.com/cpuguy83/go-md2man/v2/md2man -# github.com/cyphar/filepath-securejoin v0.6.1 +# github.com/cyphar/filepath-securejoin v0.7.0 ## explicit; go 1.18 github.com/cyphar/filepath-securejoin github.com/cyphar/filepath-securejoin/internal/consts @@ -463,8 +463,8 @@ github.com/onsi/gomega/matchers/support/goraph/edge github.com/onsi/gomega/matchers/support/goraph/node github.com/onsi/gomega/matchers/support/goraph/util github.com/onsi/gomega/types -# github.com/opencontainers/cgroups v0.0.6 -## explicit; go 1.23.0 +# github.com/opencontainers/cgroups v0.0.7 +## explicit; go 1.24.0 github.com/opencontainers/cgroups github.com/opencontainers/cgroups/devices/config github.com/opencontainers/cgroups/fs @@ -483,8 +483,8 @@ github.com/opencontainers/image-spec/specs-go/v1 # github.com/opencontainers/runtime-spec v1.3.0 ## explicit github.com/opencontainers/runtime-spec/specs-go -# github.com/opencontainers/selinux v1.13.1 -## explicit; go 1.19 +# github.com/opencontainers/selinux v1.15.1 +## explicit; go 1.22 github.com/opencontainers/selinux/go-selinux github.com/opencontainers/selinux/go-selinux/label github.com/opencontainers/selinux/pkg/pwalkdir