Exemplo n.º 1
0
void test_sss_open_cloexec_fail(void **state)
{
    int fd;
    int ret;
    int flags = O_RDWR;

    fd = sss_open_cloexec(NON_EX_PATH, flags, &ret);

    assert_true(fd == -1);
    assert_int_not_equal(ret, 0);

    close(fd);
}
Exemplo n.º 2
0
void test_sss_open_cloexec_success(void **state)
{
    int fd;
    int ret;
    int ret_flag;
    int expec_flag;
    int flags = O_RDWR;
    char path[PATH_MAX] = {'\0'};

    fd = sss_open_cloexec(get_filepath(path), flags, &ret);
    assert_true(fd != -1);

    ret_flag = fcntl(fd, F_GETFD, 0);
    expec_flag = FD_CLOEXEC;
    assert_true(ret_flag & expec_flag);

    close(fd);
    unlink(path);
}
Exemplo n.º 3
0
static errno_t sss_nss_mc_init_ctx(const char *name,
                                   struct sss_cli_mc_ctx *ctx)
{
    struct stat fdstat;
    char *file = NULL;
    int ret;

    sss_nss_mc_lock();
    /* check if ctx is initialised by previous thread. */
    if (ctx->initialized != UNINITIALIZED) {
        ret = sss_nss_check_header(ctx);
        goto done;
    }

    ret = asprintf(&file, "%s/%s", SSS_NSS_MCACHE_DIR, name);
    if (ret == -1) {
        ret = ENOMEM;
        goto done;
    }

    ctx->fd = sss_open_cloexec(file, O_RDONLY, &ret);
    if (ctx->fd == -1) {
        goto done;
    }

    ret = fstat(ctx->fd, &fdstat);
    if (ret == -1) {
        ret = EIO;
        goto done;
    }

    if (fdstat.st_size < MC_HEADER_SIZE) {
        ret = ENOMEM;
        goto done;
    }
    ctx->mmap_size = fdstat.st_size;

    ctx->mmap_base = mmap(NULL, ctx->mmap_size,
                          PROT_READ, MAP_SHARED, ctx->fd, 0);
    if (ctx->mmap_base == MAP_FAILED) {
        ret = ENOMEM;
        goto done;
    }

    ret = sss_nss_check_header(ctx);
    if (ret != 0) {
        goto done;
    }

    ctx->initialized = INITIALIZED;

    ret = 0;

done:
    if (ret) {
        sss_nss_mc_destroy_ctx(ctx);
    }
    free(file);
    sss_nss_mc_unlock();

    return ret;
}