X-Git-Url: https://harrygodden.com/git/?a=blobdiff_plain;f=vg_steam_auth.h;fp=vg_steam_auth.h;h=7d4002bd55cc8e55fc452223a488c3471489bbfa;hb=4c48fe01a5d1983be89b7dce6f08e6b708cfbb05;hp=0000000000000000000000000000000000000000;hpb=3dd767bb10e6fee9cbffeb185d1a9685810c17b5;p=vg.git

diff --git a/vg_steam_auth.h b/vg_steam_auth.h
new file mode 100644
index 0000000..7d4002b
--- /dev/null
+++ b/vg_steam_auth.h
@@ -0,0 +1,146 @@
+#ifndef VG_STEAM_AUTH_H
+#define VG_STEAM_AUTH_H
+
+#include "vg/vg_platform.h"
+#include "vg/vg_io.h"
+
+typedef u32 HAuthTicket;
+enum{ k_HAuthTicketInvalid = 0 };
+
+#include "vg_steam.h"
+#if defined( VALVE_CALLBACK_PACK_SMALL )
+ #pragma pack( push, 4 )
+#elif defined( VALVE_CALLBACK_PACK_LARGE )
+ #pragma pack( push, 8 )
+#endif 
+
+typedef struct EncryptedAppTicketResponse_t EncryptedAppTicketResponse_t;
+struct EncryptedAppTicketResponse_t
+{
+	EResult m_eResult;
+};
+enum{ k_iEncryptedAppTicketResponse = k_iSteamUserCallbacks + 54 };
+
+typedef struct GetAuthSessionTicketResponse_t GetAuthSessionTicketResponse_t;
+struct GetAuthSessionTicketResponse_t
+{
+	HAuthTicket m_hAuthTicket;
+	EResult m_eResult;
+};
+enum{ k_iGetAuthSessionTicketResponse = k_iSteamUserCallbacks + 63 };
+
+#pragma pack(pop)
+
+/*
+ * Regular authentication
+ */
+
+typedef void ISteamUser;
+ISteamUser *SteamAPI_SteamUser_v021(void);
+ISteamUser *SteamAPI_SteamUser(void) 
+{ 
+   return SteamAPI_SteamUser_v021();
+}
+
+HAuthTicket SteamAPI_ISteamUser_GetAuthSessionTicket( 
+                  ISteamUser *self, void *pTicket, 
+                  int cbMaxTicket, u32 *pcbTicket );
+
+/*
+ * Application symetric-key ticket (Client)
+ */
+
+SteamAPICall_t SteamAPI_ISteamUser_RequestEncryptedAppTicket( 
+      ISteamUser *self, void *pDataToInclude, int cbDataToInclude );
+
+int SteamAPI_ISteamUser_GetEncryptedAppTicket( 
+      ISteamUser *self, void *pTicket, 
+      int cbMaxTicket, u32 *pcbTicket );
+
+
+/* 
+ * Application symetric-key ticket method (Server)
+ */
+
+enum { k_nSteamEncryptedAppTicketSymmetricKeyLen = 32 };
+
+int SteamEncryptedAppTicket_BDecryptTicket( u8 *rgubTicketEncrypted, 
+         u32 cubTicketEncrypted, u8 *rgubTicketDecrypted, 
+         u32 *pcubTicketDecrypted, 
+         u8 rgubKey[k_nSteamEncryptedAppTicketSymmetricKeyLen], 
+         int cubKey );
+
+int SteamEncryptedAppTicket_BIsTicketForApp( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted, AppId_t nAppID );
+
+RTime32 SteamEncryptedAppTicket_GetTicketIssueTime( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted );
+
+void SteamEncryptedAppTicket_GetTicketSteamID( 
+      u8 *rgubTicketDecrypted, u32 cubTicketDecrypted, CSteamID *psteamID );
+
+AppId_t SteamEncryptedAppTicket_GetTicketAppID( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted );
+
+int SteamEncryptedAppTicket_BUserOwnsAppInTicket( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted, AppId_t nAppID );
+
+int SteamEncryptedAppTicket_BUserIsVacBanned( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted );
+
+int SteamEncryptedAppTicket_BGetAppDefinedValue( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted, u32 *pValue );
+
+u8 *SteamEncryptedAppTicket_GetUserVariableData( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted, u32 *pcubUserData );
+
+int SteamEncryptedAppTicket_BIsTicketSigned( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted, u8 *pubRSAKey, u32 cubRSAKey );
+
+int SteamEncryptedAppTicket_BIsLicenseBorrowed( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted );
+
+int SteamEncryptedAppTicket_BIsLicenseTemporary( u8 *rgubTicketDecrypted, 
+      u32 cubTicketDecrypted );
+
+static u8 vg_char_base16( char c )
+{
+   if( c >= '0' && c <= '9' )
+      return c-'0';
+   if( c >= 'a' && c <= 'f' )
+      return (c-'a') + 10;
+
+   return 0;
+}
+
+static int vg_load_steam_symetric_key( const char *path, u8 *buf )
+{
+   vg_linear_clear( vg_mem.scratch );
+   u32 size;
+   char *src = vg_file_read( vg_mem.scratch, path, &size );
+
+   if( src )
+   {
+      if( size < k_nSteamEncryptedAppTicketSymmetricKeyLen )
+      {
+         vg_error( "Application key was invalid size\n" );
+         return 0;
+      }
+      
+      for( int i=0; i<k_nSteamEncryptedAppTicketSymmetricKeyLen; i++ )
+      {
+         buf[i] = (vg_char_base16( src[i*2+0] ) << 4) |
+                   vg_char_base16( src[i*2+1] );
+      }
+
+      return 1;
+   }
+   else
+   {
+      vg_error( "Application key path was invalid\n" );
+      return 0;
+   }
+}
+
+
+#endif /* VG_STEAM_AUTH_H */