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|
/* hdcp_subcmd12_rxinfo @ 0x402a88 */
int __fastcall hdcp_subcmd12_rxinfo(struct hdcp_session *sess, unsigned __int8 *msg, unsigned int len, int *out)
{
int result; // r0
unsigned int v9; // r8
unsigned int v10; // r10
int v11; // r9
__int16 v12; // r6
__int16 v13; // r9
unsigned int v14; // r0
int v15; // r6
bool v16; // zf
int v17; // r0
int v18; // r9
unsigned int v19; // r0
unsigned int seq_valid; // r1
int rx_count; // r8
int v22; // r7
__int64 v23; // r2
_BYTE *v24; // r0
unsigned int mode; // r1
unsigned int v26; // r8
unsigned int v27; // r7
int v28; // r0
int v29; // r1
unsigned int f44; // r2
int v31; // r1
_BYTE *v32; // r1
unsigned int v33; // r3
unsigned int v34; // r6
unsigned int v35; // r7
unsigned int i; // r7
unsigned __int8 *v37; // r1
int v38; // r0
int v39; // r6
int v40; // r2
int v41; // r3
int f4c_high; // r1
unsigned int devid; // r0
int v44; // r0
unsigned int v45; // r6
unsigned __int8 v46; // [sp+4h] [bp-210h]
int v47; // [sp+8h] [bp-20Ch]
int v48; // [sp+Ch] [bp-208h]
int v49; // [sp+10h] [bp-204h]
int v50; // [sp+14h] [bp-200h]
int v51; // [sp+18h] [bp-1FCh] BYREF
unsigned __int16 v52; // [sp+1Ch] [bp-1F8h] BYREF
int v53; // [sp+20h] [bp-1F4h] BYREF
unsigned __int8 f50_high; // [sp+24h] [bp-1F0h]
_BYTE v55[3]; // [sp+25h] [bp-1EFh] BYREF
_DWORD v56[8]; // [sp+C0h] [bp-154h] BYREF
int v57[8]; // [sp+E0h] [bp-134h] BYREF
_BYTE v58[200]; // [sp+100h] [bp-114h] BYREF
int v59; // [sp+1C8h] [bp-4Ch] BYREF
_DWORD v60[11]; // [sp+1E8h] [bp-2Ch] BYREF
v60[10] = *off_40394C;
v52 = 0;
ta_memclr(v58, 0x10Cu);
result = 1;
if ( sess == nullptr || msg == nullptr || out == nullptr )
return result;
*out = 100;
if ( sess->flag_24d != 0 )
{
if ( asd_rpc_1a2(sess->devid) != 0 )
return 20;
sess->flag_24d = 0;
}
if ( sess->topology_type == 6 )
{
if ( sess->mode == 20 )
{
if ( len <= 1 )
goto LABEL_27;
v9 = msg[1];
sess->f34 = v9;
v10 = *msg;
sess->f30 = v10;
v11 = msg[2];
sess->rx_count = v11;
sess->f3c = msg[3];
if ( msg[1] == 0 && *msg == 0 )
{
if ( 5 * msg[2] + 36 == len )
{
v12 = 0;
v47 = 32;
sess->seq_valid = 0;
ta_memcpy(v57, msg + 4, 0x20u);
ta_memcpy(sess->rx_ids, msg + 36, 5 * v11);
v46 = 0;
v48 = 0;
v50 = 0;
v49 = 0;
goto LABEL_17;
}
LABEL_27:
sess->err_state = 7;
v17 = 109;
LABEL_31:
*out = v17;
return 0;
}
LABEL_30:
sess->err_state = 7;
v17 = 107;
goto LABEL_31;
}
if ( len <= 1 )
goto LABEL_27;
v9 = msg[1];
sess->f34 = v9;
v10 = *msg;
sess->f30 = v10;
v18 = msg[2];
sess->rx_count = v18;
sess->f3c = msg[3];
sess->f40 = msg[5];
sess->f44 = msg[4];
if ( msg[1] != 0 || *msg != 0 )
goto LABEL_30;
if ( 5 * msg[2] + 25 != len )
goto LABEL_27;
v48 = msg[6];
v50 = msg[7];
v49 = msg[8];
v47 = 16;
ta_memcpy(v57, msg + 9, 0x10u);
ta_memcpy(sess->rx_ids, msg + 25, 5 * v18);
v12 = 0;
v46 = 0;
}
else
{
if ( len != 176 )
goto LABEL_27;
v46 = *msg;
v13 = msg[1];
ta_bounded_copy(msg, &v52, 2u);
v14 = v52;
v9 = (v52 & 8) != 0;
sess->f34 = v9;
sess->f44 = (v14 & 2) != 0;
sess->f40 = v14 & 1;
sess->f3c = (v14 >> 9) & 7;
v15 = (v14 >> 4) & 0x1F;
sess->rx_count = v15;
v10 = (v14 & 4) != 0;
sess->f30 = v10;
v48 = msg[2];
v50 = msg[3];
v49 = msg[4];
v47 = 16;
ta_memcpy(v57, msg + 5, 0x10u);
ta_memcpy(sess->rx_ids, msg + 21, 5 * v15);
v12 = v13 << 8;
}
LABEL_17:
v16 = v9 == 0;
if ( v9 == 0 )
v16 = v10 == 0;
if ( !v16 )
goto LABEL_30;
if ( (sess->f40 != 0 || sess->f44 != 0) && sess->f1c - 1 <= 1 )
{
sess->f20 = 0;
if ( asd_rpc_1a3(sess->devid, 1) != 0 )
return 17;
}
v19 = v48 | (v50 << 8) | (v49 << 16);
seq_valid = sess->seq_valid;
if ( v19 != 0 && seq_valid == 0 || seq_valid == 1 && v19 < sess->seq_num )
{
sess->err_state = 7;
v17 = 108;
goto LABEL_31;
}
rx_count = sess->rx_count;
sess->seq_num = v19;
sess->seq_valid = 1;
v22 = 5 * rx_count;
ta_memcpy(v58, sess->rx_ids, 5 * rx_count);
if ( sess->topology_type != 6 )
{
v26 = v47;
v58[v22] = v46 | v12;
v58[v22 + 1] = HIBYTE(v12);
v28 = 5;
v29 = 2;
LABEL_46:
v31 = v29 + v22;
v27 = v22 + v28;
v58[v31] = v48;
v32 = &v58[v31];
v32[2] = v49;
v32[1] = v50;
goto LABEL_47;
}
v23 = *(_QWORD *)&sess->f30;
v58[5 * rx_count] = sess->f3c;
v24 = &v58[v22];
mode = sess->mode;
v24[2] = BYTE4(v23);
v24[1] = rx_count;
v24[3] = v23;
if ( mode != 20 )
{
f44 = sess->f44;
v24[5] = *(_QWORD *)&sess->f40;
v28 = 9;
v58[v22 + 4] = f44;
v29 = 6;
v26 = v47;
goto LABEL_46;
}
v26 = v47;
v27 = v22 + 4;
LABEL_47:
ta_memcpy(&v59, &sess->rx_ids[189], 0x20u);
v60[8] = v26;
ta_memcpy_aligned(v60, v57, v26);
if ( hdcp_verify_mac(v58, v27, v56, &v51, 0x20u) != 0 )
{
sess->err_state = 7;
*out = 106;
ta_memclr(v56, 0x20u);
ta_memclr(v58, 0x10Cu);
return 0;
}
if ( v51 == 32 )
{
v33 = v56[5];
v34 = v56[6];
v35 = v56[7];
sess->hash[0] = v56[4];
sess->hash[1] = v33;
sess->hash[2] = v34;
sess->hash[3] = v35;
}
ta_memclr(v56, 0x20u);
ta_memclr(v58, 0x10Cu);
for ( i = 0; i < sess->rx_count; ++i )
{
v37 = &sess->rx_ids[5 * i];
v38 = *v37;
v39 = v37[3];
v40 = v37[1];
v41 = v37[2];
f50_high = v37[4];
v53 = v38 | (v40 << 8) | ((v41 | (v39 << 8)) << 16);
if ( asd_rpc_303(&v53) != 0 )
goto LABEL_59;
}
if ( asd_rpc_1a8(sess->buf268) != 0 )
return 17;
ta_memclr_unaligned(v55, 0x9Bu);
f4c_high = HIBYTE(sess->f4c);
f50_high = HIBYTE(sess->f50);
devid = sess->devid;
v53 = f4c_high | (LOBYTE(sess->f50) << 8) | ((BYTE1(sess->f50) | (BYTE2(sess->f50) << 8)) << 16);
v44 = asd_rpc_1a7(devid, &v53, 1u, sess->buf268);
if ( v44 != 0
|| (v45 = sess->rx_count,
ta_memcpy(&v53, sess->rx_ids, 5 * v45),
(v44 = asd_rpc_1a7(sess->devid, &v53, v45, sess->buf268)) != 0) )
{
if ( v44 != 23 )
return 17;
LABEL_59:
sess->err_state = 7;
*out = 112;
return 17;
}
*out = 0;
return 0;
}
/* ================================================================ */
/* hdcp_subcmd_dispatch @ 0x402910 */
int __fastcall hdcp_subcmd_dispatch(struct hdcp_session *a1, int *a2, unsigned __int8 *a3, unsigned int a4, int *a5)
{
unsigned int v5; // r5
int v6; // r1
int v7; // r1
int v8; // r0
v5 = a2[1];
if ( v5 <= a4 )
{
v7 = *a2;
if ( v7 == 1 )
{
v8 = 2;
}
else if ( v7 == *a3 )
{
switch ( v7 )
{
case 3:
return sub_4023DC((int)a1, a3 + 1, v5 - 1, a5);
case 6:
return sub_4028B0((int)a1, (char *)a3 + 1, v5 - 1, a5);
case 7:
return sub_4025AC((int)a1, (int)(a3 + 1), v5 - 1, a5);
case 8:
return sub_4027E0((int)a1, (int)(a3 + 1), v5 - 1, a5);
case 10:
return sub_4029F2((int)a1, (int)(a3 + 1), v5 - 1, a5);
case 12:
return hdcp_subcmd12_rxinfo(a1, a3 + 1, v5 - 1, a5);
case 13:
v6 = 1;
if ( a1 == nullptr || a5 == nullptr )
return v6;
*a5 = 100;
if ( v5 == 1 )
{
v6 = 0;
*a5 = 0;
return v6;
}
a1->err_state = 7;
v8 = 109;
break;
case 17:
JUMPOUT(0x402E90);
case 18:
return sub_402A4C((int)a1, a3 + 1, v5 - 1, a5);
case 20:
return sub_402380((int)a1, a3 + 1, v5 - 1, a5);
default:
v8 = 105;
break;
}
}
else
{
a1->err_state = 7;
v8 = 102;
}
v6 = 0;
*a5 = v8;
}
else
{
a1->err_state = 7;
*a5 = 101;
return 21;
}
return v6;
}
/* ================================================================ */
/* hdcp_cmd0F_handler @ 0x4021a0 */
int __fastcall hdcp_cmd0F_handler(const void *a1, int a2)
{
int v4; // r6
unsigned int v5; // r5
int v6; // r11
struct hdcp_session *v7; // r10
unsigned int active; // r0
bool v9; // zf
int v11; // r2
_DWORD *v12; // r2
int v13; // t1
int v14; // r2
_DWORD *v15; // r7
int v16; // r1
int v17; // r2
int v18; // r0
_DWORD *v19; // [sp+8h] [bp-26Ch]
int v20; // [sp+Ch] [bp-268h] BYREF
int v21; // [sp+10h] [bp-264h] BYREF
int v22; // [sp+14h] [bp-260h] BYREF
int v23; // [sp+18h] [bp-25Ch] BYREF
int v24; // [sp+1Ch] [bp-258h] BYREF
__int64 v25; // [sp+20h] [bp-254h] BYREF
unsigned int v26; // [sp+28h] [bp-24Ch] BYREF
int v27; // [sp+2Ch] [bp-248h] BYREF
int v28; // [sp+30h] [bp-244h]
int v29; // [sp+34h] [bp-240h] BYREF
int v30; // [sp+38h] [bp-23Ch]
int v31; // [sp+3Ch] [bp-238h] BYREF
unsigned __int8 v32[544]; // [sp+44h] [bp-230h] BYREF
int v33; // [sp+264h] [bp-10h]
int v34; // [sp+268h] [bp-Ch]
ta_memclr(&v26, 0x244u);
v4 = 2;
v25 = 0;
if ( a1 != nullptr && a2 != 0 )
{
ta_memcpy_aligned(&v26, a1, 0x244u);
v5 = v26;
if ( v26 <= 7 )
{
v6 = dword_40237C;
v7 = (struct hdcp_session *)(dword_40237C + 652 * v26);
active = v7->active;
v9 = active == 1;
if ( active == 1 )
v9 = v7->state == 2;
if ( v9 )
{
v11 = dword_40237C + 652 * v26;
v4 = 0;
*(_DWORD *)(a2 + 36) = 100;
*(_DWORD *)(a2 + 4) = 0;
*(_DWORD *)(a2 + 8) = 0;
*(_DWORD *)(a2 + 12) = 0;
*(_DWORD *)(a2 + 16) = 0;
*(_DWORD *)(a2 + 20) = 100;
*(_DWORD *)(a2 + 24) = 100;
*(_DWORD *)(a2 + 28) = 100;
*(_DWORD *)(a2 + 32) = 100;
v13 = *(_DWORD *)(v11 + 24);
v12 = (_DWORD *)(v11 + 24);
if ( v13 == 7 )
return v4;
v19 = v12;
v24 = 100;
v22 = 100;
v23 = 100;
v4 = hdcp_subcmd_dispatch(v7, &v27, v32, 0x220u, &v24);
if ( v4 != 0 || (v4 = hdcp_subcmd_dispatch(v7, &v29, &v32[v28], 544 - v28, &v23)) != 0 )
{
v14 = v23;
*(_DWORD *)(a2 + 20) = v24;
*(_DWORD *)(a2 + 24) = v14;
*(_DWORD *)(a2 + 28) = 100;
}
else
{
v4 = hdcp_subcmd_dispatch(v7, &v31, &v32[v28 + v30], 544 - (v28 + v30), &v22);
v16 = v22;
v17 = v23;
*(_DWORD *)(a2 + 20) = v24;
*(_DWORD *)(a2 + 24) = v17;
*(_DWORD *)(a2 + 28) = v16;
if ( v4 == 0 )
{
v18 = v6 + 652 * v5;
*(_DWORD *)(a2 + 4) = *(_DWORD *)(v18 + 36);
*(_DWORD *)(a2 + 8) = *(_DWORD *)(v18 + 40);
*(_DWORD *)(a2 + 12) = *(unsigned __int8 *)(v18 + 44);
*(_DWORD *)(a2 + 16) = *(unsigned __int8 *)(v18 + 45);
v20 = 100;
v21 = 100;
v4 = sub_4020E0((int)v7, v33, a2 + 56, 168, &v25, &v21);
*(_QWORD *)(a2 + 40) = v25;
v15 = v19;
*(_DWORD *)(a2 + 32) = v21;
if ( v4 == 0 )
{
if ( HIDWORD(v25) >= 0xA8 )
{
v4 = 21;
*(_DWORD *)(a2 + 36) = 101;
}
else
{
v4 = sub_4020E0((int)v7, v34, a2 + HIDWORD(v25) + 56, 168 - HIDWORD(v25), (_DWORD *)(a2 + 48), &v20);
*(_DWORD *)(a2 + 36) = v20;
if ( v4 == 0 )
{
if ( *v19 == 8 || *v19 == 6 )
v4 = 0;
else
v4 = 0;
goto LABEL_15;
}
}
}
LABEL_14:
*v15 = 7;
LABEL_15:
if ( sub_4046D8() != 0 )
return 17;
*(_DWORD *)a2 = *v15;
return v4;
}
}
v15 = v19;
v20 = 100;
v21 = 100;
goto LABEL_14;
}
}
return 1;
}
return v4;
}
/* ================================================================ */
/* hdcp_cmd0E_open @ 0x401ebc */
int __fastcall hdcp_cmd0E_open(__int64 *a1, int *a2)
{
int result; // r0
int v4; // r3
_DWORD *v5; // r5
__int64 v6; // kr00_8
int i; // r2
int v8; // r6
unsigned int *v9; // r6
int v10; // r1
result = 2;
if ( a1 != nullptr && a2 != nullptr )
{
v4 = dword_401F54;
v5 = (_DWORD *)(dword_4020DC + 1268);
v6 = *a1;
for ( i = 1; ; ++i )
{
if ( i == 8 )
return 3;
if ( *(_DWORD *)((char *)v5 + dword_401F54) == 0 )
break;
v5 += 163;
}
v8 = dword_401F58;
*a2 = i;
*(_DWORD *)((char *)v5 + v8) = v6;
*(_DWORD *)((char *)v5 + v4) = 1;
*(_DWORD *)((char *)v5 + dword_401F5C) = 2;
if ( sub_404626() != 0 )
return 17;
v9 = v5 - 153;
if ( HIDWORD(v6) == 1 )
{
v10 = 0;
}
else
{
v10 = 1;
if ( HIDWORD(v6) != 2 )
v6 = 0x200000002LL;
}
*(_DWORD *)((char *)v5 + dword_401F60) = v10;
*(_DWORD *)((char *)v5 + dword_401F64) = v6;
if ( asd_rpc_1a3(*v9, SHIDWORD(v6)) != 0 || asd_topology_query(*v9, v5 - 150) != 0 )
{
return 17;
}
else
{
*(_DWORD *)((char *)v5 + dword_401F68) = 0;
*(v5 - 6) = -1;
*(v5 - 5) = 0;
*v5 = 0;
return 0;
}
}
return result;
}
|
