262 lines
7.3 KiB
C
262 lines
7.3 KiB
C
/* Agent_Release_x64.exe sha256 6f2be7b8eb799ba51b359d1958720aac5baee5b7ee0d1d36684d3cbd72d45469
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* Ghidra 12.1.2 decompiler output for 0x1400d8ec4 FUN_1400d8ec4
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* Pseudocode, not original source. */
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void FUN_1400d8ec4(longlong *param_1,int param_2)
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{
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uint uVar1;
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undefined4 uVar2;
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uint uVar3;
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undefined4 uVar4;
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undefined4 *puVar5;
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longlong lVar6;
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longlong lVar7;
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longlong lVar8;
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uint uVar9;
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uint uVar10;
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char *pcVar11;
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ulonglong uVar12;
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uint uVar13;
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uint uVar14;
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byte *pbVar15;
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byte *pbVar16;
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longlong lVar17;
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undefined1 *puVar18;
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undefined1 *puVar19;
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undefined1 *puVar20;
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undefined1 *puVar21;
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longlong lVar22;
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undefined1 *puVar23;
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uint uVar24;
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int iVar25;
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uint uVar26;
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byte *pbVar27;
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int local_68;
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puVar5 = (undefined4 *)param_1[5];
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lVar17 = *(longlong *)(puVar5 + 0x16);
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lVar6 = *(longlong *)(puVar5 + 0x18);
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uVar1 = puVar5[0xd];
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uVar14 = puVar5[0x10];
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uVar24 = puVar5[0x11];
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lVar8 = param_1[3];
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puVar18 = (undefined1 *)(param_1[2] + -1);
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uVar2 = puVar5[0x1a];
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pbVar15 = (byte *)(*param_1 + -1);
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local_68 = (int)puVar18 - (param_2 - (int)lVar8);
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iVar25 = puVar5[0xb];
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uVar3 = puVar5[0xc];
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lVar7 = *(longlong *)(puVar5 + 0xe);
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pbVar27 = pbVar15 + ((int)param_1[1] - 5);
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uVar4 = puVar5[0x1b];
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puVar19 = puVar18;
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LAB_1400d8f7e:
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if (uVar24 < 0xf) {
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pbVar16 = pbVar15 + 1;
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pbVar15 = pbVar15 + 2;
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uVar14 = uVar14 + ((uint)*pbVar16 << ((byte)uVar24 & 0x1f)) +
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((uint)*pbVar15 << ((byte)uVar24 + 8 & 0x1f));
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uVar24 = uVar24 + 0x10;
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}
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uVar9 = uVar14 & (1 << ((byte)uVar2 & 0x1f)) - 1U;
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while( true ) {
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uVar9 = *(uint *)(lVar17 + (ulonglong)uVar9 * 4);
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uVar14 = uVar14 >> ((byte)(uVar9 >> 8) & 0x1f);
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uVar24 = uVar24 - (uVar9 >> 8 & 0xff);
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if ((byte)uVar9 == 0) break;
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pbVar16 = pbVar15;
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if ((uVar9 & 0x10) != 0) {
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uVar26 = uVar9 >> 0x10;
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uVar9 = uVar9 & 0xf;
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if (uVar9 != 0) {
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if (uVar24 < uVar9) {
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pbVar15 = pbVar15 + 1;
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uVar14 = uVar14 + ((uint)*pbVar15 << ((byte)uVar24 & 0x1f));
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uVar24 = uVar24 + 8;
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}
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uVar10 = (1 << (sbyte)uVar9) - 1U & uVar14;
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uVar14 = uVar14 >> (sbyte)uVar9;
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uVar26 = uVar26 + uVar10;
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uVar24 = uVar24 - uVar9;
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pbVar16 = pbVar15;
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}
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if (uVar24 < 0xf) {
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pbVar15 = pbVar16 + 1;
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pbVar16 = pbVar16 + 2;
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uVar14 = uVar14 + ((uint)*pbVar15 << ((byte)uVar24 & 0x1f)) +
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((uint)*pbVar16 << ((byte)uVar24 + 8 & 0x1f));
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uVar24 = uVar24 + 0x10;
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}
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uVar9 = *(uint *)(lVar6 + (ulonglong)((1 << ((byte)uVar4 & 0x1f)) - 1U & uVar14) * 4);
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goto LAB_1400d9085;
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}
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if ((uVar9 & 0x40) != 0) {
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if ((uVar9 & 0x20) == 0) {
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pcVar11 = "invalid literal/length code";
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goto LAB_1400d92b0;
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}
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*puVar5 = 0xb;
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goto LAB_1400d92bc;
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}
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uVar9 = ((1 << ((byte)uVar9 & 0x1f)) - 1U & uVar14) + (uVar9 >> 0x10);
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}
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puVar19[1] = (char)(uVar9 >> 0x10);
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puVar20 = puVar19 + 1;
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goto LAB_1400d9274;
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LAB_1400d9085:
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uVar14 = uVar14 >> ((byte)(uVar9 >> 8) & 0x1f);
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uVar24 = uVar24 - (uVar9 >> 8 & 0xff);
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if ((uVar9 & 0x10) != 0) goto code_r0x0001400d90a2;
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if ((uVar9 & 0x40) != 0) {
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pcVar11 = "invalid distance code";
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goto LAB_1400d92b0;
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}
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uVar9 = *(uint *)(lVar6 + (ulonglong)
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(((1 << ((byte)uVar9 & 0x1f)) - 1U & uVar14) + (uVar9 >> 0x10)) * 4);
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goto LAB_1400d9085;
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code_r0x0001400d90a2:
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uVar13 = uVar9 & 0xf;
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pbVar15 = pbVar16;
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uVar10 = uVar24;
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if (uVar24 < uVar13) {
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pbVar15 = pbVar16 + 1;
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uVar10 = uVar24 + 8;
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uVar14 = uVar14 + ((uint)*pbVar15 << ((byte)uVar24 & 0x1f));
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if (uVar10 < uVar13) {
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pbVar15 = pbVar16 + 2;
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uVar14 = uVar14 + ((uint)*pbVar15 << ((byte)uVar10 & 0x1f));
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uVar10 = uVar24 + 0x10;
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}
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}
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uVar24 = uVar10 - uVar13;
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uVar10 = (1 << (sbyte)uVar13) - 1U & uVar14;
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uVar14 = uVar14 >> (sbyte)uVar13;
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uVar10 = (uVar9 >> 0x10) + uVar10;
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uVar9 = (int)puVar19 - local_68;
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if (uVar10 <= uVar9) {
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puVar20 = puVar19 + -(ulonglong)uVar10;
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do {
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puVar23 = puVar19;
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puVar21 = puVar20;
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puVar19 = puVar23 + 3;
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puVar23[1] = puVar21[1];
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uVar26 = uVar26 - 3;
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puVar23[2] = puVar21[2];
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*puVar19 = puVar21[3];
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puVar20 = puVar21 + 3;
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} while (2 < uVar26);
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puVar20 = puVar19;
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if (uVar26 != 0) {
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puVar23[4] = puVar21[4];
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puVar20 = puVar23 + 4;
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if (1 < uVar26) {
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puVar23[5] = puVar21[5];
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puVar20 = puVar23 + 5;
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}
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}
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goto LAB_1400d9274;
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}
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uVar9 = uVar10 - uVar9;
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if (uVar3 < uVar9) {
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pcVar11 = "invalid distance too far back";
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pbVar16 = pbVar15;
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LAB_1400d92b0:
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param_1[4] = (longlong)pcVar11;
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*puVar5 = 0x1b;
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LAB_1400d92bc:
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*(int *)(param_1 + 3) = ((int)(puVar18 + ((int)lVar8 - 0x101)) - (int)puVar19) + 0x101;
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lVar17 = (longlong)pbVar16 - (ulonglong)(uVar24 >> 3);
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iVar25 = uVar24 + (uVar24 >> 3) * -8;
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*param_1 = lVar17 + 1;
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*(int *)(param_1 + 1) = ((int)pbVar27 - (int)lVar17) + 5;
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param_1[2] = (longlong)(puVar19 + 1);
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puVar5[0x11] = iVar25;
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puVar5[0x10] = (1 << ((byte)iVar25 & 0x1f)) - 1U & uVar14;
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return;
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}
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lVar22 = lVar7 + -1;
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if (uVar1 == 0) {
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puVar21 = (undefined1 *)(lVar22 + (ulonglong)(iVar25 - uVar9));
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if (uVar9 < uVar26) {
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uVar26 = uVar26 - uVar9;
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do {
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puVar21 = puVar21 + 1;
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puVar19 = puVar19 + 1;
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uVar9 = uVar9 - 1;
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*puVar19 = *puVar21;
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} while (uVar9 != 0);
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LAB_1400d91ac:
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puVar21 = puVar19 + -(ulonglong)uVar10;
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}
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}
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else if (uVar1 < uVar9) {
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uVar13 = uVar9 - uVar1;
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puVar21 = (undefined1 *)(lVar22 + (ulonglong)((uVar1 - uVar9) + iVar25));
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if (uVar13 < uVar26) {
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uVar26 = uVar26 - uVar13;
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lVar22 = (longlong)puVar21 - (longlong)puVar19;
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do {
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puVar19 = puVar19 + 1;
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uVar13 = uVar13 - 1;
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*puVar19 = puVar19[lVar22];
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} while (uVar13 != 0);
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puVar21 = (undefined1 *)(lVar7 + -1);
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if (uVar1 < uVar26) {
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uVar26 = uVar26 - uVar1;
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uVar9 = uVar1;
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do {
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puVar21 = puVar21 + 1;
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puVar19 = puVar19 + 1;
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uVar9 = uVar9 - 1;
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*puVar19 = *puVar21;
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} while (uVar9 != 0);
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goto LAB_1400d91ac;
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}
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}
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}
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else {
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puVar21 = (undefined1 *)(lVar22 + (ulonglong)(uVar1 - uVar9));
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if (uVar9 < uVar26) {
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uVar26 = uVar26 - uVar9;
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do {
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puVar21 = puVar21 + 1;
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puVar19 = puVar19 + 1;
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uVar9 = uVar9 - 1;
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*puVar19 = *puVar21;
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} while (uVar9 != 0);
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goto LAB_1400d91ac;
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}
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}
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if (2 < uVar26) {
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uVar12 = (ulonglong)((uVar26 - 3) / 3 + 1);
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puVar20 = puVar19;
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puVar23 = puVar21;
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do {
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puVar21 = puVar23 + 3;
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puVar19 = puVar20 + 3;
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puVar20[1] = puVar23[1];
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uVar26 = uVar26 - 3;
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uVar12 = uVar12 - 1;
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puVar20[2] = puVar23[2];
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*puVar19 = *puVar21;
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puVar20 = puVar19;
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puVar23 = puVar21;
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} while (uVar12 != 0);
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}
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puVar20 = puVar19;
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if (uVar26 != 0) {
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puVar19[1] = puVar21[1];
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puVar20 = puVar19 + 1;
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if (1 < uVar26) {
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puVar19[2] = puVar21[2];
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puVar20 = puVar19 + 2;
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}
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}
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LAB_1400d9274:
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pbVar16 = pbVar15;
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puVar19 = puVar20;
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if ((pbVar27 <= pbVar15) || (puVar18 + ((int)lVar8 - 0x101) <= puVar20)) goto LAB_1400d92bc;
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goto LAB_1400d8f7e;
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}
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