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RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; URIBL_BLOCKED(0.00)[suse.com:email,suse.com:mid,suse.de:dkim,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:dkim,imap1.dmz-prg2.suse.org:rdns,imap1.dmz-prg2.suse.org:helo,suse.com:email,suse.com:mid]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+] X-Virus-Scanned: clamav-milter 1.0.9 at in-6.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v2 14/33] keyctl22: Test KEYCTL_RESTRICT_KEYRING reject-all X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato Test KEYCTL_RESTRICT_KEYRING reject-all restriction: verify that restricting a keyring with NULL type and NULL restriction succeeds, and subsequent link and add_key attempts fail with EPERM. Signed-off-by: Andrea Cervesato --- runtest/syscalls | 1 + testcases/kernel/syscalls/keyctl/.gitignore | 1 + testcases/kernel/syscalls/keyctl/keyctl22.c | 54 +++++++++++++++++++++++++++++ 3 files changed, 56 insertions(+) diff --git a/runtest/syscalls b/runtest/syscalls index b95264564..262ef967d 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -739,6 +739,7 @@ keyctl18 keyctl18 keyctl19 keyctl19 keyctl20 keyctl20 keyctl21 keyctl21 +keyctl22 keyctl22 kcmp01 kcmp01 kcmp02 kcmp02 diff --git a/testcases/kernel/syscalls/keyctl/.gitignore b/testcases/kernel/syscalls/keyctl/.gitignore index e8c71e79e..82a74e4a3 100644 --- a/testcases/kernel/syscalls/keyctl/.gitignore +++ b/testcases/kernel/syscalls/keyctl/.gitignore @@ -19,3 +19,4 @@ /keyctl19 /keyctl20 /keyctl21 +/keyctl22 diff --git a/testcases/kernel/syscalls/keyctl/keyctl22.c b/testcases/kernel/syscalls/keyctl/keyctl22.c new file mode 100644 index 000000000..c4410e3dc --- /dev/null +++ b/testcases/kernel/syscalls/keyctl/keyctl22.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2026 Andrea Cervesato + */ + +/*\ + * Test ``KEYCTL_RESTRICT_KEYRING`` reject-all of :manpage:`keyctl(2)`, + * added in Linux 4.12. + * + * [Algorithm] + * + * - restrict a keyring with ``NULL`` type and ``NULL`` restriction (reject all links), + * verify subsequent links and add_key fail with ``EPERM`` + */ + +#include "keyctl_common.h" + +#define PAYLOAD "payload" + +static key_serial_t ring_reject; +static key_serial_t user_key; + +static void setup(void) +{ + SAFE_KEYCTL(KEYCTL_JOIN_SESSION_KEYRING, 0, 0, 0, 0); + + ring_reject = new_ring("ltpkeyctl22_reject"); + user_key = new_user_key("k", PAYLOAD, sizeof(PAYLOAD), + KEY_SPEC_PROCESS_KEYRING); +} + +static void run(void) +{ + TEST(keyctl(KEYCTL_RESTRICT_KEYRING, ring_reject, 0, 0, 0)); + if (TST_RET == 0) + tst_res(TPASS, "KEYCTL_RESTRICT_KEYRING with NULL type and restriction passed"); + else if (TST_RET == -1 && TST_ERR == EEXIST) + tst_res(TPASS, "KEYCTL_RESTRICT_KEYRING reject-all already active"); + else + tst_res(TFAIL | TTERRNO, "KEYCTL_RESTRICT_KEYRING reject-all failed"); + + TST_EXP_FAIL(keyctl(KEYCTL_LINK, user_key, ring_reject, 0, 0), EPERM, + "KEYCTL_LINK on reject-all restricted keyring"); + + TST_EXP_FAIL2(add_key("user", "k_rej", PAYLOAD, sizeof(PAYLOAD), + ring_reject), EPERM, + "add_key on reject-all restricted keyring"); +} + +static struct tst_test test = { + .setup = setup, + .test_all = run, + .min_kver = "4.12", +}; -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp