72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#include <test_progs.h>
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void test_obj_name(void)
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{
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struct {
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const char *name;
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int success;
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int expected_errno;
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} tests[] = {
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{ "", 1, 0 },
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{ "_123456789ABCDE", 1, 0 },
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{ "_123456789ABCDEF", 0, EINVAL },
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{ "_123456789ABCD\n", 0, EINVAL },
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};
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struct bpf_insn prog[] = {
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BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0),
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BPF_EXIT_INSN(),
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};
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__u32 duration = 0;
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int i;
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for (i = 0; i < ARRAY_SIZE(tests); i++) {
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size_t name_len = strlen(tests[i].name) + 1;
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union bpf_attr attr;
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size_t ncopy;
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int fd;
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/* test different attr.prog_name during BPF_PROG_LOAD */
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ncopy = name_len < sizeof(attr.prog_name) ?
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name_len : sizeof(attr.prog_name);
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bzero(&attr, sizeof(attr));
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attr.prog_type = BPF_PROG_TYPE_SCHED_CLS;
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attr.insn_cnt = 2;
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attr.insns = ptr_to_u64(prog);
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attr.license = ptr_to_u64("");
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memcpy(attr.prog_name, tests[i].name, ncopy);
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fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
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CHECK((tests[i].success && fd < 0) ||
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(!tests[i].success && fd >= 0) ||
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(!tests[i].success && errno != tests[i].expected_errno),
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"check-bpf-prog-name",
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"fd %d(%d) errno %d(%d)\n",
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fd, tests[i].success, errno, tests[i].expected_errno);
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if (fd >= 0)
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close(fd);
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/* test different attr.map_name during BPF_MAP_CREATE */
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ncopy = name_len < sizeof(attr.map_name) ?
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name_len : sizeof(attr.map_name);
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bzero(&attr, sizeof(attr));
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attr.map_type = BPF_MAP_TYPE_ARRAY;
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attr.key_size = 4;
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attr.value_size = 4;
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attr.max_entries = 1;
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attr.map_flags = 0;
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memcpy(attr.map_name, tests[i].name, ncopy);
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fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr));
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CHECK((tests[i].success && fd < 0) ||
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(!tests[i].success && fd >= 0) ||
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(!tests[i].success && errno != tests[i].expected_errno),
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"check-bpf-map-name",
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"fd %d(%d) errno %d(%d)\n",
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fd, tests[i].success, errno, tests[i].expected_errno);
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if (fd >= 0)
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close(fd);
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}
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}
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