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namespace Standards::CRC32 {

    constexpr uint32_t CRC32_BZIP2_POLYNOMIAL = 0x04C11DB7; //CRC-32/BZIP2
    uint32_t CRC32BZIP2Table[256];
    static bool CRC32BZIP2Initialized = false;

    // Initialize CRC table for CRC-32/BZIP2
    void constexpr InitCRC32_BZIP2() {
        if (CRC32BZIP2Initialized)
            return;
        CRC32BZIP2Initialized = true;

        for (size_t i = 0; i < 256; i++) {
            uint32_t crc = i << 24; // Non-reflected version starts with MSB
            for (size_t j = 0; j < 8; j++) {
                if (crc & 0x80000000) {
                    crc = (crc << 1) ^ CRC32_BZIP2_POLYNOMIAL;
                }
                else {
                    crc <<= 1;
                }
            }
            CRC32BZIP2Table[i] = crc;
        }
    }

    uint32_t BZIP2(uint8_t* data, size_t size) {
        InitCRC32_BZIP2();

        uint32_t crc = 0xFFFFFFFF;
        while (size--) {
            crc &= 0xFFFFFFFF;
            crc = ((crc << 8)) ^ CRC32BZIP2Table[((crc >> 24) ^ *data++) & 0xFF];
        }
        return ~(crc);
    }

}

Subcommand 0x02 WID_MAPLIST: (probably should be labled QUERY, since its not only the map list information.)
    (UINT32) Cookie
     (UINT8) Number of responses
     For each response:
         (UINT32) ID
         (UINT32) (CRC-32/BZIP2)->(uncompressed data)
          (UINT16) Decompressed length
          (UINT16) Compressed length
          (VOID) Compressed data
     (UINT8) Remaining Packets

compressed data:
types:
    (uint32_t)'\0URL'
        (char*) realm_url
        (char*) profile_url
        (char*) turnament_url
        (char*) clan_url

    (uint32_t)'\0MAP'
        (uint8_t) total
        each:
            (char*) map_path

    (uint32_t)'TYPE'
        (uint8_t) total
        each:
            (uint8_t) index
            (uint8_t) total_2
            each:
                (uint8_t[5]) prefix_need_more_info
                (uint8_t) total_maps
                (uint8_t[total_maps]) maps_by_index_order
        notes:
            maps_by_index_order: this is the return from '\0MAP', 0=first map in that list.
            first occurrence of: total_maps< 12
            from every dump i have seen there is a spot in the second struct where the ending void*
            bytes has 3 extra bytes attached to the structure. not counted and is a continuation of
            the final byte of the counted struct {need_more_info[total_bytes]+1, 
            need_more_info[total_bytes]+2, need_more_info[total_bytes]+3}

    (uint32_t)'DESC'
        (uint8_t) total
        each:
            (uint8_t) index_enum_pg_at_ty
            (uint8_t) index_in_the_pg_at_ty_list
            (char*) short_description
            (char*) long_description

    (uint32_t)'LADR'
        (uint8_t) total
        each:
            (uint32_t) type
            (char*) category
            (char*) url

0x00000001: Blizzard Representative
0x00000002: Channel Operator
0x00000004: Channel Speaker
0x00000008: Battle.net Administrator
0x00000010: No UDP Support
0x00000020: Squelched

are looked for directly in the game clients them selves and are not likely to change ever with out hardcoded updates.

0x01->0x13: Name "character_name" Rejected by server (client also disconnects mcp)

0x15->0x117 is the same message as ^

The result values here are reversed.
BOOL Result, TRUE (Success), FALSE (Failure)

Clients, D2XP 1.14D, WAR2 (Latest) (have not tested anything else to lazy)

As a reminder, for the clients that have no cdkeys the (For each Key) feild is empty, and the Number of keys reflects this aswell.

00000000   FF 1C 2C 00 01 00 00 00 - 00 00 00 00 08 00 00 00   ..,.............
00000010   00 00 00 00 00 00 00 00 - 41 73 64 66 00 41 73 64   ........Asdf.Asd
00000020   66 00 31 66 64 20 61 73 - 20 64 66 00               f.1fd as df.

Provider version on SSHR is 0x00000000

pcid pkid length       uid                          reason
[01] [07] [09 00] [9F 03 00 00] - [06]

    switch (reason) {
        case 0x3: { s_reason = "[Kicked] By Admin"; break; }
        case 0x5: { s_reason = "[Kicked] For Protocol Violation"; break; }
        case 0x6: { s_reason = "[Connection Dropped] Network Error"; break; }
        case 0x7: { s_reason = "disconnected"; break; }
        default: { s_reason = "unknowen"; break; }
    }