[Symbian Installation File] Split files into subcomponents.

Aaru.Archives/Symbian/Structs.cs

@@ -0,0 +1,167 @@
+// /***************************************************************************
+// Aaru Data Preservation Suite
+// ----------------------------------------------------------------------------
+//
+// Filename       : Symbian.cs
+// Author(s)      : Natalia Portillo <claunia@claunia.com>
+//
+// Component      : Symbian plugin.
+//
+// --[ Description ] ----------------------------------------------------------
+//
+//     Identifies Symbian installer (.sis) packages and shows information.
+//
+// --[ License ] --------------------------------------------------------------
+//
+//     This library is free software; you can redistribute it and/or modify
+//     it under the terms of the GNU Lesser General Public License as
+//     published by the Free Software Foundation; either version 2.1 of the
+//     License, or (at your option) any later version.
+//
+//     This library is distributed in the hope that it will be useful, but
+//     WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+//     Lesser General Public License for more details.
+//
+//     You should have received a copy of the GNU Lesser General Public
+//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
+//
+// ----------------------------------------------------------------------------
+// Copyright © 2011-2023 Natalia Portillo
+// ****************************************************************************/
+
+using System.Diagnostics.CodeAnalysis;
+using System.Runtime.InteropServices;
+
+namespace Aaru.Archives;
+
+[SuppressMessage("ReSharper", "UnusedType.Global")]
+[SuppressMessage("ReSharper", "UnusedType.Local")]
+public partial class Symbian
+{
+#region Nested type: SymbianHeader
+
+    [StructLayout(LayoutKind.Sequential, Pack = 1)]
+    struct SymbianHeader
+    {
+        /// <summary>
+        ///     Application UID before SymbianOS 9, magic after
+        /// </summary>
+        public uint uid1;
+        /// <summary>
+        ///     EPOC release magic before SOS 9, NULLs after
+        /// </summary>
+        public uint uid2;
+        /// <summary>
+        ///     Application UID after SOS 9, magic before
+        /// </summary>
+        public uint uid3;
+        /// <summary>
+        ///     Checksum of UIDs 1 to 3
+        /// </summary>
+        public uint uid4;
+        /// <summary>
+        ///     CRC16 of all header
+        /// </summary>
+        public ushort crc16;
+        /// <summary>
+        ///     Number of languages
+        /// </summary>
+        public ushort languages;
+        /// <summary>
+        ///     Number of files
+        /// </summary>
+        public ushort files;
+        /// <summary>
+        ///     Number of requisites
+        /// </summary>
+        public ushort requisites;
+        /// <summary>
+        ///     Installed language (only residual SIS)
+        /// </summary>
+        public ushort inst_lang;
+        /// <summary>
+        ///     Installed files (only residual SIS)
+        /// </summary>
+        public ushort inst_files;
+        /// <summary>
+        ///     Installed drive (only residual SIS), NULL or 0x0021
+        /// </summary>
+        public ushort inst_drive;
+        /// <summary>
+        ///     Number of capabilities
+        /// </summary>
+        public ushort capabilities;
+        /// <summary>
+        ///     Version of Symbian Installer required
+        /// </summary>
+        public uint inst_version;
+        /// <summary>
+        ///     Option flags
+        /// </summary>
+        public SymbianOptions options;
+        /// <summary>
+        ///     Type
+        /// </summary>
+        public SymbianType type;
+        /// <summary>
+        ///     Major version of application
+        /// </summary>
+        public ushort major;
+        /// <summary>
+        ///     Minor version of application
+        /// </summary>
+        public ushort minor;
+        /// <summary>
+        ///     Variant when SIS is a prerequisite for other SISs
+        /// </summary>
+        public uint variant;
+        /// <summary>
+        ///     Pointer to language records
+        /// </summary>
+        public uint lang_ptr;
+        /// <summary>
+        ///     Pointer to file records
+        /// </summary>
+        public uint files_ptr;
+        /// <summary>
+        ///     Pointer to requisite records
+        /// </summary>
+        public uint reqs_ptr;
+        /// <summary>
+        ///     Pointer to certificate records
+        /// </summary>
+        public uint certs_ptr;
+        /// <summary>
+        ///     Pointer to component name record
+        /// </summary>
+        public uint comp_ptr;
+        // From EPOC Release 6
+        /// <summary>
+        ///     Pointer to signature record
+        /// </summary>
+        public uint sig_ptr;
+        /// <summary>
+        ///     Pointer to capability records
+        /// </summary>
+        public uint caps_ptr;
+        /// <summary>
+        ///     Installed space (only residual SIS)
+        /// </summary>
+        public uint instspace;
+        /// <summary>
+        ///     Space required
+        /// </summary>
+        public uint maxinsspc;
+        /// <summary>
+        ///     Reserved
+        /// </summary>
+        public ulong reserved1;
+        /// <summary>
+        ///     Reserved
+        /// </summary>
+        public ulong reserved2;
+    }
+
+#endregion
+}