undefined4 FUN_004056b4(int param_1)

{

  time_t tVar1;

  undefined4 uVar2;

  undefined4 uVar3;

  int iVar4;

  int *piVar5;

  int *piVar6;

  uint uVar7;

  int local_30 [2];

  tVar1 = time((time_t *)0x0);

  uVar7 = tVar1 - *(int *)(param_1 + 0x28);

  if (tVar1 < *(int *)(param_1 + 0x28)) {

    uVar7 = 0;

  }

  if (*(int *)(param_1 + 8) == 0) {

    piVar5 = *(int **)(param_1 + 0x1c);

    if (piVar5 != (int *)0x0) {

      do {

        piVar6 = (int *)*piVar5;

        if ((*(int *)(param_1 + 0x14) != 4) && (*(int *)(param_1 + 0x14) != 6)) {

          dprintf(3,"binding_timo","internal error: unknown binding type (%d)");

          return 0;

        }

        if ((piVar5[4] != 0xffffffff) && ((uint)piVar5[4] <= uVar7)) {

          uVar2 = in6addr2str(piVar5 + 5,0);

          iVar4 = piVar5[9];

          uVar3 = FUN_00404404(param_1);

          dprintf(7,"binding_timo","bound prefix %s/%d in %s has expired",uVar2,iVar4,uVar3);

          if (*(int *)(param_1 + 0x14) == 6) {

            release_address(piVar5 + 5);

            iVar4 = *piVar5;

            if (iVar4 == 0) goto LAB_004058f8;

LAB_004058ac:

            *(int *)(iVar4 + 4) = piVar5[1];

          }

          else {

            iVar4 = *piVar5;

            if (iVar4 != 0) goto LAB_004058ac;

LAB_004058f8:

            *(int *)(param_1 + 0x20) = piVar5[1];

            iVar4 = *piVar5;

          }

          *(int *)piVar5[1] = iVar4;

          dhcp6_clear_listval(piVar5);

        }

        piVar5 = piVar6;

      } while (piVar6 != (int *)0x0);

      if (*(int *)(param_1 + 0x1c) != 0) {

        FUN_0040330c(param_1);

        local_30[0] = *(int *)(param_1 + 0x24);

        if (local_30[0] == -1) {

          return 0;

        }

        local_30[1] = 0;

        dhcp6_set_timer(local_30,*(undefined4 *)(param_1 + 0x2c));

        return *(undefined4 *)(param_1 + 0x2c);

      }

    }

    FUN_004055f0(param_1);

  }

  else {

    dprintf(3,"binding_timo","unknown binding type %d");

  }

  return 0;

}