undefined4 sendOffer(int param_1)

{

  uint uVar1;

  uint uVar2;

  bool bVar3;

  int iVar4;

  char *pcVar5;

  undefined4 uVar6;

  int iVar7;

  uint uVar8;

  void *__src;

  uint uVar9;

  uint *puVar10;

  char *__fmt;

  undefined1 *__dest;

  undefined4 *puVar11;

  uint local_34c;

  undefined1 auStack_348 [256];

  undefined1 auStack_248 [16];

  in_addr local_238;

  undefined1 auStack_22c [212];

  undefined1 auStack_158 [316];

  local_34c = DAT_0041bc60;

  FUN_004043f0(auStack_248,param_1,2);

  iVar4 = find_static_lease_by_chaddr(param_1 + 0x1c);

  if (iVar4 != 0) {

    local_238.s_addr = *(uint *)(iVar4 + 0x10);

    bVar3 = true;

    local_34c = 0xffffffff;

    goto LAB_00404afc;

  }

  iVar4 = find_lease_by_chaddr(param_1 + 0x1c);

  if (iVar4 == 0) {

    puVar10 = (uint *)get_option(param_1,0x32);

    if (puVar10 != (uint *)0x0) {

      uVar8 = *puVar10;

      uVar9 = uVar8 << 0x18 | uVar8 >> 0x18 | (uVar8 & 0xff0000) >> 8 | (uVar8 & 0xff00) << 8;

      if (((((DAT_0041bc44 << 0x18 | DAT_0041bc44 >> 0x18 | (DAT_0041bc44 & 0xff0000) >> 8 |

             (DAT_0041bc44 & 0xff00) << 8) <= uVar9) &&

           (uVar9 <= (DAT_0041bc48 << 0x18 | DAT_0041bc48 >> 0x18 | (DAT_0041bc48 & 0xff0000) >> 8 |

                     (DAT_0041bc48 & 0xff00) << 8))) &&

          (iVar4 = find_static_lease_by_yiaddr(uVar8), iVar4 == 0)) &&

         ((iVar4 = find_lease_by_yiaddr(uVar8), iVar4 == 0 ||

          (iVar4 = lease_expired(iVar4), iVar4 != 0)))) goto LAB_00404c60;

    }

LAB_00404d54:

    local_238.s_addr = find_address(0);

    if ((local_238.s_addr == 0) && (local_238.s_addr = find_address(1), local_238.s_addr == 0)) {

      return 0xffffffff;

    }

  }

  else {

    iVar7 = lease_expired(iVar4);

    if (iVar7 == 0) {

      local_34c = *(uint *)(iVar4 + 0x14);

    }

    uVar8 = *(uint *)(iVar4 + 0x10);

LAB_00404c60:

    local_238.s_addr = uVar8;

    if (uVar8 == 0) goto LAB_00404d54;

  }

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

  if (__src == (void *)0x0) {

    __dest = (undefined1 *)0x0;

  }

  else {

    __dest = auStack_348;

    memcpy(__dest,__src,(uint)*(byte *)((int)__src + -1))   //possible issue identified - semgrep

    auStack_348[*(byte *)((int)__src + -1)] = 0;

  }

  uVar8 = DAT_0041bc78;

  iVar4 = add_lease(auStack_22c,local_238.s_addr,DAT_0041bc78,__dest);

  if (iVar4 == 0) {

    syslog(0xe5,"DHCP: Server lease pool is full, OFFER abandoned.");

    return 0xffffffff;

  }

  uVar9 = get_option(param_1,0x33);

  if (uVar9 != 0) {

    uVar1 = uVar9 + 3 & 3;

    uVar2 = uVar9 & 3;

    uVar8 = (*(int *)((uVar9 + 3) - uVar1) << (3 - uVar1) * 8 |

            uVar8 & 0xffffffffU >> (uVar1 + 1) * 8) & -1 << (4 - uVar2) * 8 |

            *(uint *)(uVar9 - uVar2) >> uVar2 * 8;

    local_34c = uVar8 << 0x18 | uVar8 >> 0x18 | uVar8 >> 8 & 0xff00 | (uVar8 & 0xff00) << 8;

    if (DAT_0041bc60 < local_34c) {

      local_34c = DAT_0041bc60;

    }

  }

  if (local_34c < DAT_0041bc7c) {

    bVar3 = false;

    local_34c = DAT_0041bc60;

  }

  else {

    bVar3 = false;

  }

LAB_00404afc:

  add_simple_option(auStack_158,0x33,

                    local_34c << 0x18 | local_34c >> 0x18 | local_34c >> 8 & 0xff00 |

                    (local_34c & 0xff00) << 8);

  for (puVar11 = DAT_0041bc4c; puVar11 != (undefined4 *)0x0; puVar11 = (undefined4 *)puVar11[1]) {

    if (*(char *)*puVar11 != '3') {

      add_option_string(auStack_158);

    }

  }

  FUN_00404494(auStack_248);

  if (bVar3) {

    pcVar5 = inet_ntoa(local_238);

    __fmt = "DHCP: Server sending OFFER of %s for static DHCP client.";

  }

  else {

    pcVar5 = inet_ntoa(local_238);

    __fmt = "DHCP: Server sending OFFER of %s.";

  }

  syslog(0xe5,__fmt,pcVar5);

  uVar6 = FUN_00404520(auStack_248,0);

  return uVar6;

}