diff options
Diffstat (limited to 'tools/testing/selftests/bpf/test_maps.c')
-rw-r--r-- | tools/testing/selftests/bpf/test_maps.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index fe3a443a1102..040356ecc862 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -466,7 +466,7 @@ static void test_sockmap(int tasks, void *data) int one = 1, map_fd_rx, map_fd_tx, map_fd_break, s, sc, rc; struct bpf_map *bpf_map_rx, *bpf_map_tx, *bpf_map_break; int ports[] = {50200, 50201, 50202, 50204}; - int err, i, fd, sfd[6] = {0xdeadbeef}; + int err, i, fd, udp, sfd[6] = {0xdeadbeef}; u8 buf[20] = {0x0, 0x5, 0x3, 0x2, 0x1, 0x0}; int parse_prog, verdict_prog; struct sockaddr_in addr; @@ -548,6 +548,16 @@ static void test_sockmap(int tasks, void *data) goto out_sockmap; } + /* Test update with unsupported UDP socket */ + udp = socket(AF_INET, SOCK_DGRAM, 0); + i = 0; + err = bpf_map_update_elem(fd, &i, &udp, BPF_ANY); + if (!err) { + printf("Failed socket SOCK_DGRAM allowed '%i:%i'\n", + i, udp); + goto out_sockmap; + } + /* Test update without programs */ for (i = 0; i < 6; i++) { err = bpf_map_update_elem(fd, &i, &sfd[i], BPF_ANY); @@ -1033,6 +1043,51 @@ static void test_map_parallel(void) assert(bpf_map_get_next_key(fd, &key, &key) == -1 && errno == ENOENT); } +static void test_map_rdonly(void) +{ + int fd, key = 0, value = 0; + + fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), + MAP_SIZE, map_flags | BPF_F_RDONLY); + if (fd < 0) { + printf("Failed to create map for read only test '%s'!\n", + strerror(errno)); + exit(1); + } + + key = 1; + value = 1234; + /* Insert key=1 element. */ + assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == -1 && + errno == EPERM); + + /* Check that key=2 is not found. */ + assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == ENOENT); + assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == ENOENT); +} + +static void test_map_wronly(void) +{ + int fd, key = 0, value = 0; + + fd = bpf_create_map(BPF_MAP_TYPE_HASH, sizeof(key), sizeof(value), + MAP_SIZE, map_flags | BPF_F_WRONLY); + if (fd < 0) { + printf("Failed to create map for read only test '%s'!\n", + strerror(errno)); + exit(1); + } + + key = 1; + value = 1234; + /* Insert key=1 element. */ + assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0); + + /* Check that key=2 is not found. */ + assert(bpf_map_lookup_elem(fd, &key, &value) == -1 && errno == EPERM); + assert(bpf_map_get_next_key(fd, &key, &value) == -1 && errno == EPERM); +} + static void run_all_tests(void) { test_hashmap(0, NULL); @@ -1050,6 +1105,9 @@ static void run_all_tests(void) test_map_large(); test_map_parallel(); test_map_stress(); + + test_map_rdonly(); + test_map_wronly(); } int main(void) |