From 78e9bb837c258ac0ec7712b3d612cc2f407e731e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 12 Jun 2024 05:50:42 +0200
Subject: Merging upstream version 256.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 test/units/TEST-13-NSPAWN.nspawn-oci.sh | 467 ++++++++++++++++++++++++++++++++
 1 file changed, 467 insertions(+)
 create mode 100755 test/units/TEST-13-NSPAWN.nspawn-oci.sh

(limited to 'test/units/TEST-13-NSPAWN.nspawn-oci.sh')

diff --git a/test/units/TEST-13-NSPAWN.nspawn-oci.sh b/test/units/TEST-13-NSPAWN.nspawn-oci.sh
new file mode 100755
index 0000000..65dcc96
--- /dev/null
+++ b/test/units/TEST-13-NSPAWN.nspawn-oci.sh
@@ -0,0 +1,467 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+# shellcheck disable=SC2016
+set -eux
+set -o pipefail
+
+# shellcheck source=test/units/util.sh
+. "$(dirname "$0")"/util.sh
+
+export SYSTEMD_LOG_LEVEL=debug
+export SYSTEMD_LOG_TARGET=journal
+
+# shellcheck disable=SC2317
+at_exit() {
+    set +e
+
+    mountpoint -q /var/lib/machines && umount /var/lib/machines
+    [[ -n "${DEV:-}" ]] && rm -f "$DEV"
+    [[ -n "${NETNS:-}" ]] && umount "$NETNS" && rm -f "$NETNS"
+    [[ -n "${TMPDIR:-}" ]] && rm -fr "$TMPDIR"
+    rm -f /run/systemd/nspawn/*.nspawn
+}
+
+trap at_exit EXIT
+
+# Mount temporary directory over /var/lib/machines to not pollute the image
+mkdir -p /var/lib/machines
+mount --bind "$(mktemp --tmpdir=/var/tmp -d)" /var/lib/machines
+
+# Setup a couple of dirs/devices for the OCI containers
+DEV="$(mktemp -u /dev/oci-dev-XXX)"
+mknod -m 666 "$DEV" b 42 42
+NETNS="$(mktemp /var/tmp/netns.XXX)"
+mount --bind /proc/self/ns/net "$NETNS"
+TMPDIR="$(mktemp -d)"
+touch "$TMPDIR/hello"
+OCI="$(mktemp -d /var/lib/machines/TEST-13-NSPAWN.oci-bundle.XXX)"
+create_dummy_container "$OCI/rootfs"
+mkdir -p "$OCI/rootfs/opt/var"
+mkdir -p "$OCI/rootfs/opt/readonly"
+
+# Let's start with a simple config
+cat >"$OCI/config.json" <<EOF
+{
+    "ociVersion" : "1.0.0",
+    "root" : {
+            "path" : "rootfs"
+    },
+    "mounts" : [
+        {
+            "destination" : "/root",
+            "type" : "tmpfs",
+            "source" : "tmpfs"
+        }
+    ]
+}
+EOF
+systemd-nspawn --oci-bundle="$OCI" bash -xec 'mountpoint /root'
+
+# And now for something a bit more involved
+# Notes:
+#   - the hooks are parsed & processed, but never executed
+#   - set sysctl's are parsed but never used?
+#       - same goes for arg_sysctl in nspawn.c
+cat >"$OCI/config.json" <<EOF
+{
+    "ociVersion" : "1.0.0",
+    "hostname" : "my-oci-container",
+    "root" : {
+            "path" : "rootfs",
+            "readonly" : false
+    },
+    "mounts" : [
+        {
+            "destination" : "/root",
+            "type" : "tmpfs",
+            "source" : "tmpfs"
+        },
+        ${COVERAGE_BUILD_DIR:+"{ \"destination\" : \"$COVERAGE_BUILD_DIR\" },"}
+        {
+            "destination" : "/var",
+            "type" : "none",
+            "source" : "$TMPDIR",
+            "options" : ["rbind", "rw"]
+        }
+    ],
+    "process" : {
+        "terminal" : false,
+        "consoleSize" : {
+            "height" : 25,
+            "width" : 80
+        },
+        "user" : {
+            "uid" : 0,
+            "gid" : 0,
+            "additionalGids" : [5, 6]
+        },
+        "env" : [
+            "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
+            "FOO=bar"
+        ],
+        "cwd" : "/root",
+        "args" : [
+            "bash",
+            "-xe",
+            "/entrypoint.sh"
+        ],
+        "noNewPrivileges" : true,
+        "oomScoreAdj" : 20,
+        "capabilities" : {
+            "bounding" : [
+                "CAP_AUDIT_WRITE",
+                "CAP_KILL",
+                "CAP_NET_BIND_SERVICE"
+            ],
+            "permitted" : [
+                "CAP_AUDIT_WRITE",
+                "CAP_KILL",
+                "CAP_NET_BIND_SERVICE"
+            ],
+            "inheritable" : [
+                "CAP_AUDIT_WRITE",
+                "CAP_KILL",
+                "CAP_NET_BIND_SERVICE"
+            ],
+            "effective" : [
+                "CAP_AUDIT_WRITE",
+                "CAP_KILL"
+            ],
+            "ambient" : [
+                "CAP_NET_BIND_SERVICE"
+            ]
+        },
+        "rlimits" : [
+            {
+                "type" : "RLIMIT_NOFILE",
+                "soft" : 1024,
+                "hard" : 1024
+            },
+            {
+                "type" : "RLIMIT_RTPRIO",
+                "soft" : 5,
+                "hard" : 10
+            }
+        ]
+    },
+    "linux" : {
+        "namespaces" : [
+            {
+                "type" : "mount"
+            },
+            {
+                "type" : "network",
+                "path" : "$NETNS"
+            },
+            {
+                "type" : "pid"
+            },
+            {
+                "type" : "uts"
+            }
+        ],
+        "uidMappings" : [
+            {
+                "containerID" : 0,
+                "hostID" : 1000,
+                "size" : 100
+            }
+        ],
+        "gidMappings" : [
+            {
+                "containerID" : 0,
+                "hostID" : 1000,
+                "size" : 100
+            }
+        ],
+        "devices" : [
+            {
+                "type" : "c",
+                "path" : "/dev/zero",
+                "major" : 1,
+                "minor" : 5,
+                "fileMode" : 444
+            },
+            {
+                "type" : "b",
+                "path" : "$DEV",
+                "major" : 4,
+                "minor" : 2,
+                "fileMode" : 666,
+                "uid" : 0,
+                "gid" : 0
+            }
+        ],
+        "resources" : {
+            "devices" : [
+                {
+                    "allow" : false,
+                    "access" : "m"
+                },
+                {
+                    "allow" : true,
+                    "type" : "b",
+                    "major" : 4,
+                    "minor" : 2,
+                    "access" : "rwm"
+                }
+            ],
+            "memory" : {
+                "limit" : 134217728,
+                "reservation" : 33554432,
+                "swap" : 268435456
+            },
+            "cpu" : {
+                "shares" : 1024,
+                "quota" : 1000000,
+                "period" : 500000,
+                "cpus" : "0-7"
+            },
+            "blockIO" : {
+                "weight" : 10,
+                "weightDevice" : [
+                    {
+                        "major" : 4,
+                        "minor" : 2,
+                        "weight" : 500
+                    }
+                ],
+                "throttleReadBpsDevice" : [
+                    {
+                        "major" : 4,
+                        "minor" : 2,
+                        "rate" : 500
+                    }
+                ],
+                "throttleWriteBpsDevice" : [
+                    {
+                        "major" : 4,
+                        "minor" : 2,
+                        "rate" : 500
+                    }
+                ],
+                "throttleReadIOPSDevice" : [
+                    {
+                        "major" : 4,
+                        "minor" : 2,
+                        "rate" : 500
+                    }
+                ],
+                "throttleWriteIOPSDevice" : [
+                    {
+                        "major" : 4,
+                        "minor" : 2,
+                        "rate" : 500
+                    }
+                ]
+            },
+            "pids" : {
+                "limit" : 1024
+            }
+        },
+        "sysctl" : {
+            "kernel.domainname" : "foo.bar",
+            "vm.swappiness" : "60"
+        },
+        "seccomp" : {
+            "defaultAction" : "SCMP_ACT_ALLOW",
+            "architectures" : [
+                "SCMP_ARCH_ARM",
+                "SCMP_ARCH_X86_64"
+            ],
+            "syscalls" : [
+                {
+                    "names" : [
+                        "lchown",
+                        "chmod"
+                    ],
+                    "action" : "SCMP_ACT_ERRNO",
+                    "args" : [
+                        {
+                            "index" : 0,
+                            "value" : 1,
+                            "op" : "SCMP_CMP_NE"
+                        },
+                        {
+                            "index" : 1,
+                            "value" : 2,
+                            "valueTwo" : 3,
+                            "op" : "SCMP_CMP_MASKED_EQ"
+                        }
+                    ]
+                }
+            ]
+        },
+        "rootfsPropagation" : "shared",
+        "maskedPaths" : [
+            "/proc/kcore",
+            "/root/nonexistent"
+        ],
+        "readonlyPaths" : [
+            "/proc/sys",
+            "/opt/readonly"
+        ]
+    },
+    "hooks" : {
+        "prestart" : [
+            {
+                "path" : "/bin/sh",
+                "args" : [
+                    "-xec",
+                    "echo \$PRESTART_FOO >/prestart"
+                ],
+                "env" : [
+                    "PRESTART_FOO=prestart_bar",
+                    "ALSO_FOO=also_bar"
+                ],
+                "timeout" : 666
+            },
+            {
+                "path" : "/bin/touch",
+                "args" : [
+                    "/tmp/also-prestart"
+                ]
+            }
+        ],
+        "poststart" : [
+            {
+                "path" : "/bin/sh",
+                "args" : [
+                    "touch",
+                    "/poststart"
+                ]
+            }
+        ],
+        "poststop" : [
+            {
+                "path" : "/bin/sh",
+                "args" : [
+                    "touch",
+                    "/poststop"
+                ]
+            }
+        ]
+    },
+    "annotations" : {
+        "hello.world" : "1",
+        "foo" : "bar"
+    }
+}
+EOF
+# Create a simple "entrypoint" script that validates that the container
+# is created correctly according to the OCI config
+cat >"$OCI/rootfs/entrypoint.sh" <<EOF
+#!/usr/bin/bash -e
+
+# Mounts
+mountpoint /root
+mountpoint /var
+test -e /var/hello
+
+# Process
+[[ "\$PWD" == /root ]]
+[[ "\$FOO" == bar ]]
+
+# Process - rlimits
+[[ "\$(ulimit -S -n)" -eq 1024 ]]
+[[ "\$(ulimit -H -n)" -eq 1024 ]]
+[[ "\$(ulimit -S -r)" -eq 5 ]]
+[[ "\$(ulimit -H -r)" -eq 10 ]]
+[[ "\$(hostname)" == my-oci-container ]]
+
+# Linux - devices
+test -c /dev/zero
+test -b "$DEV"
+[[ "\$(stat -c '%t:%T' "$DEV")" == 4:2 ]]
+
+# Linux - maskedPaths
+test -e /proc/kcore
+cat /proc/kcore && exit 1
+test ! -e /root/nonexistent
+
+# Linux - readonlyPaths
+touch /opt/readonly/foo && exit 1
+
+exit 0
+EOF
+timeout 30 systemd-nspawn --oci-bundle="$OCI"
+
+# Test a couple of invalid configs
+INVALID_SNIPPETS=(
+    # Invalid object
+    '"foo" : { }'
+    '"process" : { "foo" : [ ] }'
+    # Non-absolute mount
+    '"mounts" : [ { "destination" : "foo", "type" : "tmpfs", "source" : "tmpfs" } ]'
+    # Invalid rlimit
+    '"process" : { "rlimits" : [ { "type" : "RLIMIT_FOO", "soft" : 0, "hard" : 0 } ] }'
+    # rlimit without RLIMIT_ prefix
+    '"process" : { "rlimits" : [ { "type" : "CORE", "soft" : 0, "hard" : 0 } ] }'
+    # Invalid env assignment
+    '"process" : { "env" : [ "foo" ] }'
+    '"process" : { "env" : [ "foo=bar", 1 ] }'
+    # Invalid process args
+    '"process" : { "args" : [ ] }'
+    '"process" : { "args" : [ "" ] }'
+    '"process" : { "args" : [ "foo", 1 ] }'
+    # Invalid capabilities
+    '"process" : { "capabilities" : { "bounding" : [ 1 ] } }'
+    '"process" : { "capabilities" : { "bounding" : [ "FOO_BAR" ] } }'
+    # Unsupported option (without JSON_PERMISSIVE)
+    '"linux" : { "resources" : { "cpu" : { "realtimeRuntime" : 1 } } }'
+    # Invalid namespace
+    '"linux" : { "namespaces" : [ { "type" : "foo" } ] }'
+    # Namespace path for a non-network namespace
+    '"linux" : { "namespaces" : [ { "type" : "user", "path" : "/foo/bar" } ] }'
+    # Duplicate namespace
+    '"linux" : { "namespaces" : [ { "type" : "ipc" }, { "type" : "ipc" } ] }'
+    # Invalid device type
+    '"linux" : { "devices" : [ { "type" : "foo", "path" : "/dev/foo" } ] }'
+    # Invalid cgroups path
+    '"linux" : { "cgroupsPath" : "/foo/bar/baz" }'
+    '"linux" : { "cgroupsPath" : "foo/bar/baz" }'
+    # Invalid sysctl assignments
+    '"linux" : { "sysctl" : { "vm.swappiness" : 60 } }'
+    '"linux" : { "sysctl" : { "foo..bar" : "baz" } }'
+    # Invalid seccomp assignments
+    '"linux" : { "seccomp" : { } }'
+    '"linux" : { "seccomp" : { "defaultAction" : 1 } }'
+    '"linux" : { "seccomp" : { "defaultAction" : "foo" } }'
+    '"linux" : { "seccomp" : { "defaultAction" : "SCMP_ACT_ALLOW", "syscalls" : [ { "action" : "SCMP_ACT_ERRNO", "names" : [ ] } ] } }'
+    # Invalid masked paths
+    '"linux" : { "maskedPaths" : [ "/foo", 1 ] }'
+    '"linux" : { "maskedPaths" : [ "/foo", "bar" ] }'
+    # Invalid read-only paths
+    '"linux" : { "readonlyPaths" : [ "/foo", 1 ] }'
+    '"linux" : { "readonlyPaths" : [ "/foo", "bar" ] }'
+    # Invalid hooks
+    '"hooks" : { "prestart" : [ { "path" : "/bin/sh", "timeout" : 0 } ] }'
+    # Invalid annotations
+    '"annotations" : { "" : "bar" }'
+    '"annotations" : { "foo" : 1 }'
+)
+
+for snippet in "${INVALID_SNIPPETS[@]}"; do
+    : "Snippet: $snippet"
+    cat >"$OCI/config.json" <<EOF
+{
+    "ociVersion" : "1.0.0",
+    "root" : {
+            "path" : "rootfs"
+    },
+    $snippet
+}
+EOF
+    (! systemd-nspawn --oci-bundle="$OCI" sh -c 'echo hello')
+done
+
+# Invalid OCI bundle version
+cat >"$OCI/config.json" <<EOF
+{
+    "ociVersion" : "6.6.6",
+    "root" : {
+            "path" : "rootfs"
+    }
+}
+EOF
+(! systemd-nspawn --oci-bundle="$OCI" sh -c 'echo hello')
-- 
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