undefined4 sendACK(int param_1,in_addr_t param_2)

{

  uint uVar1;

  bool bVar2;

  uint uVar3;

  int iVar4;

  char *pcVar5;

  char *__src;

  int iVar6;

  undefined4 uVar7;

  uint uVar8;

  undefined4 *puVar9;

  uint local_348;

  char acStack_344 [256];

  undefined1 auStack_244 [16];

  in_addr local_234;

  undefined1 auStack_228 [212];

  undefined1 auStack_154 [308];

  uVar3 = DAT_0041bc60;

  FUN_004043f0(auStack_244,param_1,5);

  local_234.s_addr = param_2;

  iVar4 = find_static_lease_by_chaddr(param_1 + 0x1c);

  if (iVar4 == 0) {

    uVar8 = get_option(param_1,0x33);

    if (uVar8 != 0) {

      uVar3 = uVar8 + 3 & 3;

      uVar1 = uVar8 & 3;

      uVar3 = (*(int *)((uVar8 + 3) - uVar3) << (3 - uVar3) * 8 |

              uVar8 & 0xffffffffU >> (uVar3 + 1) * 8) & -1 << (4 - uVar1) * 8 |

              *(uint *)(uVar8 - uVar1) >> uVar1 * 8;

      uVar3 = uVar3 << 0x18 | uVar3 >> 0x18 | uVar3 >> 8 & 0xff00 | (uVar3 & 0xff00) << 8;

      if ((uVar3 != 0xffffffff) &&

         ((local_348 = DAT_0041bc60, DAT_0041bc60 < uVar3 || (uVar3 < DAT_0041bc7c)))) {

        bVar2 = false;

        goto LAB_0040475c;

      }

    }

    local_348 = uVar3;

    bVar2 = false;

  }

  else {

    local_348 = 0xffffffff;

    bVar2 = true;

  }

LAB_0040475c:

  add_simple_option(auStack_154,0x33,

                    local_348 << 0x18 | local_348 >> 0x18 | local_348 >> 8 & 0xff00 |

                    (local_348 & 0xff00) << 8);

  for (puVar9 = DAT_0041bc4c; puVar9 != (undefined4 *)0x0; puVar9 = (undefined4 *)puVar9[1]) {

    if (*(char *)*puVar9 != '3') {

      add_option_string(auStack_154);

    }

  }

  FUN_00404494(auStack_244);

  pcVar5 = inet_ntoa(local_234);

  syslog(0xe5,"DHCP: Server sending ACK to %s. (Lease time = %ld)",pcVar5,local_348);

  __src = (char *)get_option(param_1,0xc);

  pcVar5 = __src;

  if (__src != (char *)0x0) {

    pcVar5 = acStack_344;

    memcpy(pcVar5,__src,(uint)(byte)__src[-1])   //possible issue identified - semgrep

    acStack_344[(byte)__src[-1]] = '\0';

  }

  iVar6 = FUN_00404520(auStack_244,0);

  uVar7 = 0xffffffff;

  if (-1 < iVar6) {

    if ((iVar4 != 0) && (*(undefined4 *)(iVar4 + 0x18) = 1, pcVar5 != (char *)0x0)) {

      strncpy((char *)(iVar4 + 0x1c),pcVar5,0x40)   //possible issue identified - semgrep

      *(undefined1 *)(iVar4 + 0x5b) = 0;

    }

    uVar7 = 0;

    if (!bVar2) {

      iVar4 = add_lease(auStack_228,local_234.s_addr,local_348,pcVar5);

      if (iVar4 != 0) {

        *(undefined4 *)(iVar4 + 0x18) = 1;

      }

      write_leases();

      uVar7 = 0;

    }

  }

  return uVar7;

}