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