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7a9b65ab0a
Remove the temporary context variable `tctx` to simplify the code. use the original context `ctx` directly in calls to `lsm_get_self_attr`, eliminating redundancy without any functional changes. Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: Shuah Khan <skhan@linuxfoundation.org> Signed-off-by: Amit Vadhavana <av2082000@gmail.com> [PM: subject tweak] Signed-off-by: Paul Moore <paul@paul-moore.com>
74 lines
1.6 KiB
C
74 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Linux Security Module infrastructure tests
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* Tests for the lsm_set_self_attr system call
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*
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* Copyright © 2022 Casey Schaufler <casey@schaufler-ca.com>
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*/
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#define _GNU_SOURCE
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#include <linux/lsm.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "../kselftest_harness.h"
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#include "common.h"
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TEST(ctx_null_lsm_set_self_attr)
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{
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ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, NULL,
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sizeof(struct lsm_ctx), 0));
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}
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TEST(size_too_small_lsm_set_self_attr)
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{
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const long page_size = sysconf(_SC_PAGESIZE);
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struct lsm_ctx *ctx = calloc(page_size, 1);
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__u32 size = page_size;
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ASSERT_NE(NULL, ctx);
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if (attr_lsm_count()) {
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ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size,
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0));
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}
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ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, ctx, 1, 0));
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free(ctx);
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}
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TEST(flags_zero_lsm_set_self_attr)
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{
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const long page_size = sysconf(_SC_PAGESIZE);
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struct lsm_ctx *ctx = calloc(page_size, 1);
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__u32 size = page_size;
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ASSERT_NE(NULL, ctx);
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if (attr_lsm_count()) {
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ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size,
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0));
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}
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ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT, ctx, size, 1));
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free(ctx);
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}
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TEST(flags_overset_lsm_set_self_attr)
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{
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const long page_size = sysconf(_SC_PAGESIZE);
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struct lsm_ctx *ctx = calloc(page_size, 1);
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__u32 size = page_size;
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ASSERT_NE(NULL, ctx);
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if (attr_lsm_count()) {
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ASSERT_LE(1, lsm_get_self_attr(LSM_ATTR_CURRENT, ctx, &size,
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0));
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}
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ASSERT_EQ(-1, lsm_set_self_attr(LSM_ATTR_CURRENT | LSM_ATTR_PREV, ctx,
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size, 0));
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free(ctx);
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}
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TEST_HARNESS_MAIN
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