undefined4 mrt_leave_group(in_addr param_1,undefined4 param_2,in_addr param_3,undefined4 param_4)

{

  char *pcVar1;

  uint uVar2;

  undefined4 uVar3;

  int *piVar4;

  int *piVar5;

  int **ppiVar6;

  int **ppiVar7;

  int **__ptr;

  uint uVar8;

  uint uVar9;

  char acStack_68 [32];

  char acStack_48 [36];

  pcVar1 = inet_ntoa(param_1);

  strcpy(acStack_48,pcVar1)   //possible issue identified - semgrep

  pcVar1 = inet_ntoa(param_3);

  strcpy(acStack_68,pcVar1)   //possible issue identified - semgrep

  uVar2 = vifs_find_by_ip(param_1.s_addr,1,1);

  uVar3 = 0xffffffff;

  if (-1 < (int)uVar2) {

    uVar9 = param_3.s_addr << 0x18 | param_3.s_addr >> 0x18 | (param_3.s_addr & 0xff0000) >> 8 |

            (param_3.s_addr & 0xff00) << 8;

    uVar8 = param_1.s_addr << 0x18 | param_1.s_addr >> 0x18 | (param_1.s_addr & 0xff0000) >> 8 |

            (param_1.s_addr & 0xff00) << 8;

    RT_remove_member(uVar9,uVar8);

    verbose("%s: %s --> %s\n","mrt_leave_group",acStack_48,acStack_68);

    ppiVar7 = (int **)0x0;

    do {

      __ptr = (int **)DAT_0041b9c0;

      if (ppiVar7 != (int **)0x0) {

        __ptr = (int **)*ppiVar7;

      }

      if ((__ptr == &DAT_0041b9c0) || (__ptr == (int **)0x0)) goto LAB_00405a94;

      ppiVar7 = __ptr;

    } while (__ptr[2] != (int *)param_3.s_addr);

    FUN_004056e8(__ptr,param_4);

    ppiVar7 = (int **)0x0;

    do {

      if (ppiVar7 == (int **)0x0) {

        ppiVar7 = (int **)__ptr[5];

      }

      else {

        ppiVar7 = (int **)*ppiVar7;

      }

      if ((ppiVar7 == __ptr + 5) || (ppiVar7 == (int **)0x0)) goto LAB_00405a34;

    } while ((uint)*(ushort *)(ppiVar7 + 5) != (uVar2 & 0xffff));

    ppiVar6 = (int **)0x0;

    do {

      if (ppiVar6 == (int **)0x0) {

        ppiVar6 = (int **)ppiVar7[2];

      }

      else {

        ppiVar6 = (int **)*ppiVar6;

      }

      if ((ppiVar6 == ppiVar7 + 2) || (ppiVar6 == (int **)0x0)) goto LAB_004059dc;

    } while ((int *)param_1.s_addr != ppiVar6[3]);

    piVar5 = ppiVar6[1];

    piVar4 = *ppiVar6;

    *piVar5 = (int)piVar4;

    piVar4[1] = (int)piVar5;

    *ppiVar6 = (int *)0x0;

    ppiVar6[1] = (int *)0x0;

    FUN_00404730(ppiVar6);

LAB_004059dc:

    if ((o_fastleave != 0) && ((int **)ppiVar7[2] == ppiVar7 + 2)) {

      piVar5 = ppiVar7[1];

      piVar4 = *ppiVar7;

      *piVar5 = (int)piVar4;

      piVar4[1] = (int)piVar5;

      *ppiVar7 = (int *)0x0;

      ppiVar7[1] = (int *)0x0;

      FUN_00404900(ppiVar7);

      FUN_004050a4(__ptr);

    }

LAB_00405a34:

    if ((o_fastleave != 0) && ((int **)__ptr[5] == __ptr + 5)) {

      FUN_00404a40(__ptr);

      piVar4 = __ptr[1];

      piVar5 = *__ptr;

      *piVar4 = (int)piVar5;

      piVar5[1] = (int)piVar4;

      *__ptr = (int *)0x0;

      __ptr[1] = (int *)0x0;

      free(__ptr);

    }

LAB_00405a94:

    RT_remove_member(uVar9,uVar8);

    uVar3 = 0;

  }

  return uVar3;

}