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Tue, 12 Nov 2024 07:15:40 +0000 From: Andrea Cervesato Date: Tue, 12 Nov 2024 08:15:37 +0100 MIME-Version: 1.0 Message-Id: <20241112-lsm-v1-6-e293a8d99cf6@suse.com> References: <20241112-lsm-v1-0-e293a8d99cf6@suse.com> In-Reply-To: <20241112-lsm-v1-0-e293a8d99cf6@suse.com> To: ltp@lists.linux.it X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1731395735; l=4437; i=andrea.cervesato@suse.com; s=20240812; h=from:subject:message-id; bh=pVDjp7XJ4q1pgUF4QFDGgWI2f9TslZ7PTgNDXurPOOY=; b=MMs3Z0fvjDSfvpXUPtWaZs/zTbAUNJB7be3i4XRTjqgHRp/cx8Q/b1SU5yWsBqaRAQLNiMBvk D2Cv0YMrkDsDY1OiSn/yXkS6yj6gRf3tq9S+zRb4omR5whsBn///4qf X-Developer-Key: i=andrea.cervesato@suse.com; a=ed25519; pk=RG/nLJ5snb1tLKGwSORQXBJ5XA4juT0WF2Pc/lq9meo= X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; PREVIOUSLY_DELIVERED(0.00)[ltp@lists.linux.it]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo, suse.com:email, suse.com:mid] X-Virus-Scanned: clamav-milter 1.0.3 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 6/7] Add lsm_list_modules02 test 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 Verify that lsm_list_modules syscall is correctly recognizing LSM(s) enabled inside the system. Signed-off-by: Andrea Cervesato --- runtest/syscalls | 1 + testcases/kernel/syscalls/lsm/.gitignore | 1 + testcases/kernel/syscalls/lsm/lsm_list_modules02.c | 134 +++++++++++++++++++++ 3 files changed, 136 insertions(+) diff --git a/runtest/syscalls b/runtest/syscalls index 78b70e12b87bbbec88d641b9c11cac2989812ff7..ee46f500859d08fba8d2553a01f8bc9e2cc8e3ea 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -760,6 +760,7 @@ lsm_get_self_attr01 lsm_get_self_attr01 lsm_get_self_attr02 lsm_get_self_attr02 lsm_get_self_attr03 lsm_get_self_attr03 lsm_list_modules01 lsm_list_modules01 +lsm_list_modules02 lsm_list_modules02 lstat01 lstat01 lstat01_64 lstat01_64 diff --git a/testcases/kernel/syscalls/lsm/.gitignore b/testcases/kernel/syscalls/lsm/.gitignore index 501d332549a84cceb9741346bdb8b83eb02467c5..766f81fd1c74a10001862f142c02ba251e666ef2 100644 --- a/testcases/kernel/syscalls/lsm/.gitignore +++ b/testcases/kernel/syscalls/lsm/.gitignore @@ -2,3 +2,4 @@ lsm_get_self_attr01 lsm_get_self_attr02 lsm_get_self_attr03 lsm_list_modules01 +lsm_list_modules02 diff --git a/testcases/kernel/syscalls/lsm/lsm_list_modules02.c b/testcases/kernel/syscalls/lsm/lsm_list_modules02.c new file mode 100644 index 0000000000000000000000000000000000000000..7ce541932bf8aaf90c88a2bcb2b9f23793e9a7fc --- /dev/null +++ b/testcases/kernel/syscalls/lsm/lsm_list_modules02.c @@ -0,0 +1,134 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2024 SUSE LLC Andrea Cervesato + */ + +/*\ + * [Description] + * + * Verify that lsm_list_modules syscall is correctly recognizing LSM(s) enabled + * inside the system. + * + * [Algorithm] + * + * - read enabled LSM(s) inside /sys/kernel/security/lsm file + * - collect LSM IDs using lsm_list_modules syscall + * - compare the results, verifying that LSM(s) IDs are correct + */ + +#include "lsm_common.h" + +#define MAX_LSM_NUM 32 + +static char lsm_list[BUFSIZ]; +static uint32_t page_size; +static uint64_t *ids; +static uint32_t *size; + +static void run(void) +{ + uint32_t lsm_num; + uint32_t counter = 0; + + memset(ids, 0, sizeof(uint64_t) * MAX_LSM_NUM); + *size = page_size; + + lsm_num = TST_EXP_POSITIVE(lsm_list_modules(ids, size, 0)); + + for (uint32_t i = 0; i < lsm_num; i++) { + char *name = NULL; + + switch (ids[i]) { + case LSM_ID_CAPABILITY: + name = "capability"; + counter++; + break; + case LSM_ID_SELINUX: + name = "selinux"; + counter++; + break; + case LSM_ID_SMACK: + name = "smack"; + counter++; + break; + case LSM_ID_TOMOYO: + name = "tomoyo"; + counter++; + break; + case LSM_ID_APPARMOR: + name = "apparmor"; + counter++; + break; + case LSM_ID_YAMA: + name = "yama"; + counter++; + break; + case LSM_ID_LOADPIN: + name = "loadpin"; + counter++; + break; + case LSM_ID_SAFESETID: + name = "safesetid"; + counter++; + break; + case LSM_ID_LOCKDOWN: + name = "lockdown"; + counter++; + break; + case LSM_ID_BPF: + name = "bpf"; + counter++; + break; + case LSM_ID_LANDLOCK: + name = "landlock"; + counter++; + break; + case LSM_ID_IMA: + name = "ima"; + counter++; + break; + case LSM_ID_EVM: + name = "evm"; + counter++; + break; + case LSM_ID_IPE: + name = "ipe"; + counter++; + break; + default: + break; + } + + if (!name) + tst_brk(TBROK, "Unsupported LSM: %lu", ids[i]); + + if (strstr(name, lsm_list)) + tst_res(TFAIL, "'%s' has not been found", name); + else + tst_res(TPASS, "'%s' is enabled", name); + } + + TST_EXP_EQ_LI(*size, counter * sizeof(uint64_t)); + TST_EXP_EQ_LI(lsm_num, counter); +} + +static void setup(void) +{ + int fd; + + page_size = SAFE_SYSCONF(_SC_PAGESIZE); + fd = SAFE_OPEN("/sys/kernel/security/lsm", O_RDONLY); + SAFE_READ(0, fd, lsm_list, BUFSIZ); + SAFE_CLOSE(fd); +} + +static struct tst_test test = { + .test_all = run, + .setup = setup, + .min_kver = "6.8", + .bufs = (struct tst_buffers []) { + {&ids, .size = sizeof(uint64_t) * MAX_LSM_NUM}, + {&size, .size = sizeof(uint32_t)}, + {}, + }, +}; -- 2.43.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp