static void pr_ipc_desc_entry(unsigned int loglevel, const IpcDescEntry *desc)
{
print_on_level(loglevel, "id: %-10d key: 0x%08x ", desc->id, desc->key);
print_on_level(loglevel, "uid: %-10d gid: %-10d ", desc->uid, desc->gid);
print_on_level(loglevel, "cuid: %-10d cgid: %-10d ", desc->cuid, desc->cgid);
print_on_level(loglevel, "mode: %-10o ", desc->mode);
}
void pr_vma(unsigned int loglevel, const struct vma_area *vma_area)
{
if (!vma_area)
return;
print_on_level(loglevel, "s: 0x%16"PRIx64" e: 0x%16"PRIx64" l: %8"PRIu64"K p: 0x%8x f: 0x%8x pg: 0x%8"PRIx64" "
"vf: %s st: %s spc: %-8s shmid: 0x%8"PRIx64"\n",
vma_area->vma.start, vma_area->vma.end,
KBYTES(vma_area_len(vma_area)),
vma_area->vma.prot,
vma_area->vma.flags,
vma_area->vma.pgoff,
vma_area->vm_file_fd < 0 ? "n" : "y",
!vma_area->vma.status ? "--" :
((vma_area->vma.status & VMA_FILE_PRIVATE) ? "FP" :
((vma_area->vma.status & VMA_FILE_SHARED) ? "FS" :
((vma_area->vma.status & VMA_ANON_SHARED) ? "AS" :
((vma_area->vma.status & VMA_ANON_PRIVATE) ? "AP" : "--")))),
!vma_area->vma.status ? "--" :
((vma_area->vma.status & VMA_AREA_STACK) ? "stack" :
((vma_area->vma.status & VMA_AREA_HEAP) ? "heap" :
((vma_area->vma.status & VMA_AREA_VSYSCALL) ? "vsyscall" :
((vma_area->vma.status & VMA_AREA_VDSO) ? "vdso" : "n")))),
vma_area->vma.shmid);
}
static void pr_info_ipc_sem_entry(const IpcSemEntry *sem)
{
pr_ipc_desc_entry(LOG_INFO, sem->desc);
print_on_level(LOG_INFO, "nsems: %-10d\n", sem->nsems);
}
static void pr_ipc_sem_array(unsigned int loglevel, int nr, u16 *values)
{
while (nr--)
print_on_level(loglevel, " %-5d", values[nr]);
print_on_level(loglevel, "\n");
}
static void pr_info_ipc_shm(const IpcShmEntry *shm)
{
pr_ipc_desc_entry(LOG_INFO, shm->desc);
print_on_level(LOG_INFO, "size: %-10"PRIu64"\n", shm->size);
}
static void pr_info_ipc_msg_entry(const IpcMsgEntry *msg)
{
pr_ipc_desc_entry(LOG_INFO, msg->desc);
print_on_level(LOG_INFO, "qbytes: %-10d qnum: %-10d\n",
msg->qbytes, msg->qnum);
}
static void pr_info_ipc_msg(int nr, const IpcMsg *msg)
{
print_on_level(LOG_INFO, " %-5d: type: %-20"PRId64" size: %-10d\n",
nr++, msg->mtype, msg->msize);
}
int cr_check(void)
{
struct ns_id ns = { .type = NS_CRIU, .ns_pid = PROC_SELF, .nd = &mnt_ns_desc };
int ret = 0;
if (!is_root_user())
return -1;
root_item = alloc_pstree_item();
if (root_item == NULL)
return -1;
root_item->pid.real = getpid();
if (collect_pstree_ids())
return -1;
ns.id = root_item->ids->mnt_ns_id;
mntinfo = collect_mntinfo(&ns, false);
if (mntinfo == NULL)
return -1;
if (chk_feature) {
ret = chk_feature();
goto out;
}
ret |= check_map_files();
ret |= check_sock_diag();
ret |= check_ns_last_pid();
ret |= check_sock_peek_off();
ret |= check_kcmp();
ret |= check_prctl();
ret |= check_fcntl();
ret |= check_proc_stat();
ret |= check_tcp();
ret |= check_fdinfo_ext();
ret |= check_unaligned_vmsplice();
ret |= check_tty();
ret |= check_so_gets();
ret |= check_ipc();
ret |= check_sigqueuinfo();
ret |= check_ptrace_peeksiginfo();
ret |= check_ptrace_suspend_seccomp();
ret |= check_ptrace_dump_seccomp_filters();
ret |= check_mem_dirty_track();
ret |= check_posix_timers();
ret |= check_tun_cr(0);
ret |= check_timerfd();
ret |= check_mnt_id();
ret |= check_aio_remap();
ret |= check_fdinfo_lock();
ret |= check_clone_parent_vs_pid();
out:
if (!ret)
print_on_level(DEFAULT_LOGLEVEL, "Looks good.\n");
return ret;
}
