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eca0b643ef
Add tests for new kfuncs bpf_strcasestr() and bpf_strncasestr(). Signed-off-by: Rong Tao <rongtao@cestc.cn> Link: https://lore.kernel.org/r/tencent_4F1A340A8966155C52AA9CBDB68FD221FE0A@qq.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
27 lines
1.8 KiB
C
27 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (C) 2025 Red Hat, Inc.*/
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <linux/limits.h>
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char long_str[XATTR_SIZE_MAX + 1];
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SEC("syscall") int test_strcmp_too_long(void *ctx) { return bpf_strcmp(long_str, long_str); }
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SEC("syscall") int test_strcasecmp_too_long(void *ctx) { return bpf_strcasecmp(long_str, long_str); }
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SEC("syscall") int test_strchr_too_long(void *ctx) { return bpf_strchr(long_str, 'b'); }
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SEC("syscall") int test_strchrnul_too_long(void *ctx) { return bpf_strchrnul(long_str, 'b'); }
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SEC("syscall") int test_strnchr_too_long(void *ctx) { return bpf_strnchr(long_str, sizeof(long_str), 'b'); }
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SEC("syscall") int test_strrchr_too_long(void *ctx) { return bpf_strrchr(long_str, 'b'); }
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SEC("syscall") int test_strlen_too_long(void *ctx) { return bpf_strlen(long_str); }
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SEC("syscall") int test_strnlen_too_long(void *ctx) { return bpf_strnlen(long_str, sizeof(long_str)); }
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SEC("syscall") int test_strspn_str_too_long(void *ctx) { return bpf_strspn(long_str, "a"); }
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SEC("syscall") int test_strspn_accept_too_long(void *ctx) { return bpf_strspn("b", long_str); }
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SEC("syscall") int test_strcspn_str_too_long(void *ctx) { return bpf_strcspn(long_str, "b"); }
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SEC("syscall") int test_strcspn_reject_too_long(void *ctx) { return bpf_strcspn("b", long_str); }
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SEC("syscall") int test_strstr_too_long(void *ctx) { return bpf_strstr(long_str, "hello"); }
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SEC("syscall") int test_strcasestr_too_long(void *ctx) { return bpf_strcasestr(long_str, "hello"); }
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SEC("syscall") int test_strnstr_too_long(void *ctx) { return bpf_strnstr(long_str, "hello", sizeof(long_str)); }
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SEC("syscall") int test_strncasestr_too_long(void *ctx) { return bpf_strncasestr(long_str, "hello", sizeof(long_str)); }
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char _license[] SEC("license") = "GPL";
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