示例#1
0
文件: Cnmt.cs 项目: shchmue/LibHac
        public Cnmt(Stream file)
        {
            using (var reader = new BinaryReader(file))
            {
                TitleId = reader.ReadUInt64();
                uint version = reader.ReadUInt32();
                Type              = (TitleType)reader.ReadByte();
                TitleVersion      = new TitleVersion(version, Type < TitleType.Application);
                FieldD            = reader.ReadByte();
                TableOffset       = reader.ReadUInt16();
                ContentEntryCount = reader.ReadUInt16();
                MetaEntryCount    = reader.ReadUInt16();
                file.Position    += 12;

                switch (Type)
                {
                case TitleType.Application:
                    ApplicationTitleId   = TitleId;
                    PatchTitleId         = reader.ReadUInt64();
                    MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
                    break;

                case TitleType.Patch:
                    ApplicationTitleId   = reader.ReadUInt64();
                    MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
                    break;

                case TitleType.AddOnContent:
                    ApplicationTitleId        = reader.ReadUInt64();
                    MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
                    break;
                }

                file.Position = 0x20 + TableOffset;

                ContentEntries = new CnmtContentEntry[ContentEntryCount];
                MetaEntries    = new CnmtContentMetaEntry[MetaEntryCount];

                for (int i = 0; i < ContentEntryCount; i++)
                {
                    ContentEntries[i] = new CnmtContentEntry(reader);
                }

                for (int i = 0; i < MetaEntryCount; i++)
                {
                    MetaEntries[i] = new CnmtContentMetaEntry(reader);
                }

                if (Type == TitleType.Patch)
                {
                    ExtendedData = new CnmtExtended(reader);
                }

                Hash = reader.ReadBytes(0x20);
            }
        }
示例#2
0
文件: Cnmt.cs 项目: Xpl0itR/LibHac
        public Cnmt(Stream file)
        {
            using (var reader = new BinaryReader(file))
            {
                TitleId = reader.ReadUInt64();
                uint version = reader.ReadUInt32();
                Type              = (ContentMetaType)reader.ReadByte();
                TitleVersion      = new TitleVersion(version, Type < ContentMetaType.Application);
                FieldD            = reader.ReadByte();
                TableOffset       = reader.ReadUInt16();
                ContentEntryCount = reader.ReadUInt16();
                MetaEntryCount    = reader.ReadUInt16();

                // Old, pre-release cnmt files don't have the "required system version" field.
                // Try to detect this by reading the padding after that field.
                // The old format usually contains hashes there.
                file.Position += 8;
                int  padding         = reader.ReadInt32();
                bool isOldCnmtFormat = padding != 0;

                switch (Type)
                {
                case ContentMetaType.Application:
                    ApplicationTitleId   = TitleId;
                    PatchTitleId         = reader.ReadUInt64();
                    MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
                    break;

                case ContentMetaType.Patch:
                    ApplicationTitleId   = reader.ReadUInt64();
                    MinimumSystemVersion = new TitleVersion(reader.ReadUInt32(), true);
                    break;

                case ContentMetaType.AddOnContent:
                    ApplicationTitleId        = reader.ReadUInt64();
                    MinimumApplicationVersion = new TitleVersion(reader.ReadUInt32());
                    break;
                }

                int baseOffset = isOldCnmtFormat ? 0x18 : 0x20;
                file.Position = baseOffset + TableOffset;

                ContentEntries = new CnmtContentEntry[ContentEntryCount];
                MetaEntries    = new CnmtContentMetaEntry[MetaEntryCount];

                for (int i = 0; i < ContentEntryCount; i++)
                {
                    ContentEntries[i] = new CnmtContentEntry(reader);
                }

                for (int i = 0; i < MetaEntryCount; i++)
                {
                    MetaEntries[i] = new CnmtContentMetaEntry(reader);
                }

                if (Type == ContentMetaType.Patch)
                {
                    ExtendedData = new CnmtExtended(reader);
                }

                Hash = reader.ReadBytes(0x20);
            }
        }