acrogenesis
95b791af16
Chromium managed policy is mandatory for every profile. World-writable dirs let any local uid plant policy, including force-installed extensions. Write goes through the omarchy-browser-policy group at 2775 so theme colour still works without other-write.
93 lines
4.2 KiB
Bash
93 lines
4.2 KiB
Bash
#!/bin/bash
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#
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# The install scripts that grant group memberships must record them in the provisioning
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# groups file (for first-boot user creation and factory reset) and only call
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# usermod when the install user actually exists.
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#
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# Docker is deliberately excluded: the docker group is root-equivalent, so it is
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# no longer granted at install time (opt in with omarchy-setup-security-sudoless-docker).
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set -euo pipefail
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source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/base-test.sh"
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TMPDIR=$(mktemp -d)
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trap 'rm -rf "$TMPDIR"' EXIT
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export OMARCHY_PROVISIONING_DIR="$TMPDIR/provisioning"
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# Stub getent/usermod: the fake system knows only the user "existing".
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mkdir -p "$TMPDIR/bin"
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cat >"$TMPDIR/bin/getent" <<'STUB'
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#!/bin/bash
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[[ $1 == passwd && $2 == existing ]] && { echo "existing:x:1000:1000::/home/existing:/bin/bash"; exit 0; }
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exit 2
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STUB
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cat >"$TMPDIR/bin/usermod" <<STUB
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#!/bin/bash
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echo "\$@" >>"$TMPDIR/usermod.calls"
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STUB
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cat >"$TMPDIR/bin/groupadd" <<STUB
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#!/bin/bash
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echo "\$@" >>"$TMPDIR/groupadd.calls"
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STUB
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cat >"$TMPDIR/bin/install" <<STUB
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#!/bin/bash
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echo "\$@" >>"$TMPDIR/install.calls"
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STUB
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cat >"$TMPDIR/bin/find" <<STUB
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#!/bin/bash
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echo "\$@" >>"$TMPDIR/find.calls"
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STUB
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cat >"$TMPDIR/bin/sudo" <<STUB
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#!/bin/bash
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echo "\$@" >>"$TMPDIR/sudo.calls"
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exec "\$@"
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STUB
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chmod +x "$TMPDIR/bin"/{getent,usermod,groupadd,install,find,sudo}
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export PATH="$TMPDIR/bin:$PATH"
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export OMARCHY_PATH="$ROOT"
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# No install user (deferred-provisioning install): groups recorded, usermod not called.
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OMARCHY_INSTALL_USER="" bash -eE "$ROOT/install/config/docker.sh"
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OMARCHY_INSTALL_USER="" bash -eE "$ROOT/install/hardware/input-group.sh"
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OMARCHY_INSTALL_USER="" bash -eE "$ROOT/install/config/browser-policy.sh"
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[[ -f $OMARCHY_PROVISIONING_DIR/groups ]] || fail "groups file written without an install user"
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grep -qxF input "$OMARCHY_PROVISIONING_DIR/groups" || fail "input group recorded"
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grep -qxF omarchy-browser-policy "$OMARCHY_PROVISIONING_DIR/groups" || fail "browser-policy group recorded"
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[[ ! -f $TMPDIR/usermod.calls ]] || fail "usermod not called without an install user"
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grep -F -- '--system --force omarchy-browser-policy' "$TMPDIR/groupadd.calls" >/dev/null ||
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fail "browser-policy group is created as a system group"
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grep -F -- '-d -m 2775 -o root -g omarchy-browser-policy /etc/chromium/policies/managed' "$TMPDIR/install.calls" >/dev/null ||
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fail "browser-policy directory is created group-writable"
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pass "deferred provisioning records groups without calling usermod"
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# The docker group is root-equivalent and must never be granted automatically.
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! grep -qxF docker "$OMARCHY_PROVISIONING_DIR/groups" || fail "docker group must not be recorded"
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pass "docker group is not recorded at install"
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# Missing user (defensive): no usermod either.
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OMARCHY_INSTALL_USER=ghost bash -eE "$ROOT/install/hardware/input-group.sh"
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OMARCHY_INSTALL_USER=ghost bash -eE "$ROOT/install/config/browser-policy.sh"
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[[ ! -f $TMPDIR/usermod.calls ]] || fail "usermod not called for a missing user"
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pass "missing install user defers group grants"
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# Re-running never duplicates entries.
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OMARCHY_INSTALL_USER="" bash -eE "$ROOT/install/hardware/input-group.sh"
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[[ $(grep -cxF input "$OMARCHY_PROVISIONING_DIR/groups") == 1 ]] || fail "input group recorded once"
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OMARCHY_INSTALL_USER="" bash -eE "$ROOT/install/config/browser-policy.sh"
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[[ $(grep -cxF omarchy-browser-policy "$OMARCHY_PROVISIONING_DIR/groups") == 1 ]] ||
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fail "browser-policy group recorded once"
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pass "group recording is idempotent"
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# Existing user: usermod applies the recorded groups, and docker is never among them.
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OMARCHY_INSTALL_USER=existing bash -eE "$ROOT/install/config/docker.sh"
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OMARCHY_INSTALL_USER=existing bash -eE "$ROOT/install/hardware/input-group.sh"
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OMARCHY_INSTALL_USER=existing bash -eE "$ROOT/install/config/browser-policy.sh"
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grep -qx -- "-aG input existing" "$TMPDIR/usermod.calls" || fail "usermod grants input to the install user"
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grep -qx -- "-aG omarchy-browser-policy existing" "$TMPDIR/usermod.calls" ||
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fail "usermod grants browser-policy to the install user"
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! grep -q -- "docker" "$TMPDIR/usermod.calls" || fail "usermod must not grant docker to the install user"
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pass "existing install user gets input and browser-policy but never docker"
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