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tests/int/exec --user: check default HOME

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Historically, when HOME is not explicitly set in process.Env,
and UID to run as doesn't have a corresponding entry in container's
/etc/passwd, runc sets HOME=/ as a fallback.

Add the corresponding check, for the sake of backward compatibility
preservation.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin
2025-01-09 16:53:05 -08:00
parent a5bfdc9df1
commit b55167e04d
1 changed files with 12 additions and 0 deletions
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tests/integration/exec.bats
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@@ -126,6 +126,18 @@ function teardown() {
runc exec --user 1000:1000 test_busybox id
[ "$status" -eq 0 ]
[[ "${output}" == "uid=1000 gid=1000"* ]]
# Check the default value of HOME ("/") is set even in case when
# - HOME is not set in process.Env, and
# - there is no entry in container's /etc/passwd for a given UID.
#
# NOTE this is not a standard runtime feature, but rather
# a historical de facto behavior we're afraid to change.
# shellcheck disable=SC2016
runc exec --user 1000 test_busybox sh -u -c 'echo $HOME'
[ "$status" -eq 0 ]
[[ "$output" = "/" ]]
}
# https://github.com/opencontainers/runc/issues/3674.