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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato Test keyrings subsystem capabilities retrieval with KEYCTL_CAPABILITIES and verify standard capability bits (CAPABILITIES, INVALIDATE, RESTRICT_KEYRING, MOVE, NS_KEYRING_NAME, NS_KEY_TAG). Signed-off-by: Andrea Cervesato --- runtest/syscalls | 1 + testcases/kernel/syscalls/keyctl/.gitignore | 1 + testcases/kernel/syscalls/keyctl/keyctl34.c | 62 +++++++++++++++++++++++++++++ 3 files changed, 64 insertions(+) diff --git a/runtest/syscalls b/runtest/syscalls index 7658ac859..08877ff49 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -751,6 +751,7 @@ keyctl30 keyctl30 keyctl31 keyctl31 keyctl32 keyctl32 keyctl33 keyctl33 +keyctl34 keyctl34 kcmp01 kcmp01 kcmp02 kcmp02 diff --git a/testcases/kernel/syscalls/keyctl/.gitignore b/testcases/kernel/syscalls/keyctl/.gitignore index 0f209d7e0..f2ce330d7 100644 --- a/testcases/kernel/syscalls/keyctl/.gitignore +++ b/testcases/kernel/syscalls/keyctl/.gitignore @@ -31,3 +31,4 @@ /keyctl31 /keyctl32 /keyctl33 +/keyctl34 diff --git a/testcases/kernel/syscalls/keyctl/keyctl34.c b/testcases/kernel/syscalls/keyctl/keyctl34.c new file mode 100644 index 000000000..bfe15a6ed --- /dev/null +++ b/testcases/kernel/syscalls/keyctl/keyctl34.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2026 Andrea Cervesato + */ + +/*\ + * Test ``KEYCTL_CAPABILITIES`` of :manpage:`keyctl(2)`, added in Linux 5.3. + * + * ``KEYCTL_CAPABILITIES`` retrieves the bitmask of features and capabilities + * supported by the keyrings subsystem in the running kernel. + * + * [Algorithm] + * + * - retrieve keyrings subsystem capabilities into a buffer + * - verify return value is at least 2 bytes + * - verify standard capability bits ``KEYCTL_CAPS0_CAPABILITIES``, + * ``KEYCTL_CAPS0_INVALIDATE``, ``KEYCTL_CAPS0_RESTRICT_KEYRING``, + * ``KEYCTL_CAPS0_MOVE``, ``KEYCTL_CAPS1_NS_KEYRING_NAME``, and + * ``KEYCTL_CAPS1_NS_KEY_TAG`` are set + */ + +#include "keyctl_common.h" + +static unsigned char caps[8]; + +static void run(void) +{ + memset(caps, 0, sizeof(caps)); + + TEST(keyctl(KEYCTL_CAPABILITIES, (unsigned long)caps, sizeof(caps), 0, 0)); + if (TST_RET < 0) + tst_brk(TBROK | TTERRNO, "KEYCTL_CAPABILITIES failed"); + + if (TST_RET < 2) { + tst_res(TFAIL, "KEYCTL_CAPABILITIES returned %ld, expected at least 2", + TST_RET); + return; + } + + TST_EXP_EXPR(caps[0] & KEYCTL_CAPS0_CAPABILITIES, + "KEYCTL_CAPS0_CAPABILITIES is set"); + TST_EXP_EXPR(caps[0] & KEYCTL_CAPS0_INVALIDATE, + "KEYCTL_CAPS0_INVALIDATE is set"); + TST_EXP_EXPR(caps[0] & KEYCTL_CAPS0_RESTRICT_KEYRING, + "KEYCTL_CAPS0_RESTRICT_KEYRING is set"); + TST_EXP_EXPR(caps[0] & KEYCTL_CAPS0_MOVE, + "KEYCTL_CAPS0_MOVE is set"); + + TST_EXP_EXPR(caps[1] & KEYCTL_CAPS1_NS_KEYRING_NAME, + "KEYCTL_CAPS1_NS_KEYRING_NAME is set"); + TST_EXP_EXPR(caps[1] & KEYCTL_CAPS1_NS_KEY_TAG, + "KEYCTL_CAPS1_NS_KEY_TAG is set"); +} + +static struct tst_test test = { + .test_all = run, + .min_kver = "5.3", + .needs_kconfigs = (const char *[]) { + "CONFIG_KEYS=y", + NULL + }, +}; -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp