220 lines
6.9 KiB
C
220 lines
6.9 KiB
C
/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
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* Ghidra 12.1.2 decompiler output for 0x1400cd030 FUN_1400cd030
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* Pseudocode, not original source. */
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/* WARNING: Function: __security_check_cookie replaced with injection: security_check_cookie */
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void FUN_1400cd030(void *param_1,byte *param_2,undefined8 param_3,undefined8 param_4)
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{
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byte bVar1;
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uint uVar2;
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undefined4 uVar3;
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int iVar4;
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uint uVar5;
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uint *puVar6;
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int iVar7;
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void *pvVar8;
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int iVar9;
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longlong lVar10;
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int iVar11;
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ulonglong uVar12;
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int iVar13;
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int iVar14;
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uint *puVar15;
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longlong lVar16;
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byte *pbVar17;
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longlong lVar18;
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undefined1 auStack_d8 [32];
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int local_b8;
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exception local_a8 [68];
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uint auStack_64 [9];
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ulonglong local_40;
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local_40 = DAT_1401ac5a0 ^ (ulonglong)auStack_d8;
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iVar11 = (int)param_3;
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local_b8 = iVar11;
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if (((iVar11 != 0x10) && (iVar11 != 0x18)) && (iVar11 != 0x20)) {
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FUN_14006b700(local_a8,"Incorrect key length",param_3,param_4);
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/* WARNING: Subroutine does not return */
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_CxxThrowException(local_a8,(ThrowInfo *)&DAT_1401a93e8);
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}
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iVar4 = (int)param_4;
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if (((iVar4 != 0x10) && (iVar4 != 0x18)) && (iVar4 != 0x20)) {
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FUN_14006b700(local_a8,"Incorrect block length",param_3,param_4);
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/* WARNING: Subroutine does not return */
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_CxxThrowException(local_a8,(ThrowInfo *)&DAT_1401a93e8);
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}
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*(int *)((longlong)param_1 + 0x3c4) = iVar4;
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if (iVar11 == 0x10) {
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if (iVar4 == 0x10) {
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uVar3 = 10;
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}
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else {
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uVar3 = 0xe;
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if (iVar4 == 0x18) {
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uVar3 = 0xc;
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}
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}
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}
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else {
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if (iVar11 != 0x18) {
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*(undefined4 *)((longlong)param_1 + 0x3c8) = 0xe;
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goto LAB_1400cd13f;
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}
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uVar3 = 0xe;
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if (iVar4 != 0x20) {
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uVar3 = 0xc;
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}
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}
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*(undefined4 *)((longlong)param_1 + 0x3c8) = uVar3;
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LAB_1400cd13f:
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iVar9 = 0;
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iVar4 = (int)(iVar4 + (iVar4 >> 0x1f & 3U)) >> 2;
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lVar16 = (longlong)iVar4;
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pvVar8 = param_1;
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if (-1 < *(int *)((longlong)param_1 + 0x3c8)) {
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do {
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if (0 < iVar4) {
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memset(pvVar8,0,lVar16 << 2);
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}
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iVar9 = iVar9 + 1;
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pvVar8 = (void *)((longlong)pvVar8 + 0x20);
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} while (iVar9 <= *(int *)((longlong)param_1 + 0x3c8));
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}
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iVar9 = 0;
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if (-1 < *(int *)((longlong)param_1 + 0x3c8)) {
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pvVar8 = (void *)((longlong)param_1 + 0x1e0);
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do {
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if (0 < iVar4) {
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memset(pvVar8,0,lVar16 << 2);
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}
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iVar9 = iVar9 + 1;
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pvVar8 = (void *)((longlong)pvVar8 + 0x20);
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} while (iVar9 <= *(int *)((longlong)param_1 + 0x3c8));
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}
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puVar6 = auStack_64;
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iVar9 = (*(int *)((longlong)param_1 + 0x3c8) + 1) * iVar4;
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uVar5 = (int)(iVar11 + (iVar11 >> 0x1f & 3U)) >> 2;
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lVar18 = (longlong)(int)uVar5;
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if (0 < (int)uVar5) {
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uVar12 = (ulonglong)uVar5;
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do {
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puVar6 = puVar6 + 1;
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bVar1 = param_2[2];
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*puVar6 = (uint)*param_2 << 0x18;
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*puVar6 = *puVar6 | (uint)param_2[1] << 0x10;
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*puVar6 = *puVar6 | (uint)bVar1 << 8;
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*puVar6 = *puVar6 | (uint)param_2[3];
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uVar12 = uVar12 - 1;
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param_2 = param_2 + 4;
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} while (uVar12 != 0);
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}
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iVar7 = 0;
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lVar10 = 0;
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iVar13 = iVar7;
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if (0 < (int)uVar5) {
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do {
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iVar13 = iVar7;
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if (iVar9 <= iVar7) break;
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uVar2 = auStack_64[lVar10 + 1];
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lVar10 = lVar10 + 1;
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iVar13 = iVar7 + 1;
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*(uint *)((longlong)param_1 + ((longlong)(iVar7 % iVar4) + (longlong)(iVar7 / iVar4) * 8) * 4)
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= uVar2;
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*(uint *)((longlong)param_1 +
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((longlong)(iVar7 % iVar4) + 0x78 +
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((longlong)*(int *)((longlong)param_1 + 0x3c8) - (longlong)(iVar7 / iVar4)) * 8) * 4)
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= uVar2;
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iVar7 = iVar13;
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} while (lVar10 < lVar18);
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}
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iVar7 = 1;
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if (iVar13 < iVar9) {
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pbVar17 = &DAT_140145cb0;
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do {
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uVar12 = (ulonglong)(int)auStack_64[lVar18];
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auStack_64[1] =
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auStack_64[1] ^
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CONCAT31(CONCAT21(CONCAT11((&DAT_140142ab0)[(longlong)uVar12 >> 0x10 & 0xff] ^ *pbVar17,
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(&DAT_140142ab0)[(longlong)uVar12 >> 8 & 0xff]),
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(&DAT_140142ab0)[uVar12 & 0xff]),
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(&DAT_140142ab0)[auStack_64[lVar18] >> 0x18]);
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if (uVar5 == 8) {
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lVar10 = 3;
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puVar6 = auStack_64 + 2;
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do {
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*puVar6 = *puVar6 ^ puVar6[-1];
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lVar10 = lVar10 + -1;
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puVar6 = puVar6 + 1;
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} while (lVar10 != 0);
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uVar12 = (ulonglong)(int)auStack_64[4];
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lVar10 = 5;
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auStack_64[5] =
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auStack_64[5] ^
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CONCAT31(CONCAT21(CONCAT11((&DAT_140142ab0)[auStack_64[4] >> 0x18],
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(&DAT_140142ab0)[(longlong)uVar12 >> 0x10 & 0xff]),
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(&DAT_140142ab0)[(longlong)uVar12 >> 8 & 0xff]),
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(&DAT_140142ab0)[uVar12 & 0xff]);
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do {
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puVar6 = auStack_64 + lVar10;
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lVar10 = lVar10 + 1;
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auStack_64[lVar10] = auStack_64[lVar10] ^ *puVar6;
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} while (lVar10 < 8);
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}
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else {
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lVar10 = 1;
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if (1 < lVar18) {
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do {
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puVar6 = auStack_64 + lVar10;
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lVar10 = lVar10 + 1;
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auStack_64[lVar10] = auStack_64[lVar10] ^ *puVar6;
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} while (lVar10 < lVar18);
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}
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}
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lVar10 = 0;
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iVar14 = iVar13;
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iVar11 = local_b8;
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if (0 < (int)uVar5) {
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do {
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if (iVar9 <= iVar14) goto LAB_1400cd425;
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uVar2 = auStack_64[lVar10 + 1];
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lVar10 = lVar10 + 1;
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iVar13 = iVar14 + 1;
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*(uint *)((longlong)param_1 +
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((longlong)(iVar14 % iVar4) + (longlong)(iVar14 / iVar4) * 8) * 4) = uVar2;
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*(uint *)((longlong)param_1 +
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((longlong)(iVar14 % iVar4) + 0x78 +
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((longlong)*(int *)((longlong)param_1 + 0x3c8) - (longlong)(iVar14 / iVar4)) * 8)
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* 4) = uVar2;
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iVar14 = iVar13;
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} while (lVar10 < lVar18);
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}
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pbVar17 = pbVar17 + 1;
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} while (iVar13 < iVar9);
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}
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LAB_1400cd425:
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if (1 < *(int *)((longlong)param_1 + 0x3c8)) {
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puVar6 = (uint *)((longlong)param_1 + 0x200);
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do {
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puVar15 = puVar6;
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lVar18 = lVar16;
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if (0 < lVar16) {
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do {
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uVar12 = (ulonglong)(int)*puVar15;
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lVar18 = lVar18 + -1;
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*puVar15 = *(uint *)(&DAT_140144cb0 + (ulonglong)(*puVar15 >> 0x18) * 4) ^
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*(uint *)(&DAT_1401450b0 + ((longlong)uVar12 >> 0x10 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401454b0 + ((longlong)uVar12 >> 8 & 0xffU) * 4) ^
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*(uint *)(&DAT_1401458b0 + (uVar12 & 0xff) * 4);
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puVar15 = puVar15 + 1;
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} while (lVar18 != 0);
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}
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iVar7 = iVar7 + 1;
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puVar6 = puVar6 + 8;
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} while (iVar7 < *(int *)((longlong)param_1 + 0x3c8));
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}
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*(int *)((longlong)param_1 + 0x3c0) = iVar11;
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return;
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}
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