vg_steam_auth.h

   1 #pragma once
   2 #include "vg/vg_platform.h"
   3 #include "vg/vg_io.h"
   4 #include "vg_steam.h"
   5
   6 typedef u32 HAuthTicket;
   7 enum{ k_HAuthTicketInvalid = 0 };
   8
   9 #if defined( VALVE_CALLBACK_PACK_SMALL )
  10  #pragma pack( push, 4 )
  11 #elif defined( VALVE_CALLBACK_PACK_LARGE )
  12  #pragma pack( push, 8 )
  13 #endif
  14
  15 typedef struct EncryptedAppTicketResponse_t EncryptedAppTicketResponse_t;
  16 struct EncryptedAppTicketResponse_t
  17 {
  18         EResult m_eResult;
  19 };
  20 enum{ k_iEncryptedAppTicketResponse = k_iSteamUserCallbacks + 54 };
  21
  22 typedef struct GetAuthSessionTicketResponse_t GetAuthSessionTicketResponse_t;
  23 struct GetAuthSessionTicketResponse_t
  24 {
  25         HAuthTicket m_hAuthTicket;
  26         EResult m_eResult;
  27 };
  28 enum{ k_iGetAuthSessionTicketResponse = k_iSteamUserCallbacks + 63 };
  29
  30 #pragma pack(pop)
  31
  32 /*
  33  * Regular authentication
  34  */
  35
  36 typedef void ISteamUser;
  37 ISteamUser *SteamAPI_SteamUser_v021(void);
  38 static inline ISteamUser *SteamAPI_SteamUser(void)
  39 {
  40    return SteamAPI_SteamUser_v021();
  41 }
  42
  43 HAuthTicket SteamAPI_ISteamUser_GetAuthSessionTicket(
  44                   ISteamUser *self, void *pTicket,
  45                   int cbMaxTicket, u32 *pcbTicket );
  46
  47 /*
  48  * Application symetric-key ticket (Client)
  49  */
  50
  51 SteamAPICall_t SteamAPI_ISteamUser_RequestEncryptedAppTicket(
  52       ISteamUser *self, void *pDataToInclude, int cbDataToInclude );
  53
  54 steamapi_bool SteamAPI_ISteamUser_GetEncryptedAppTicket(
  55       ISteamUser *self, void *pTicket,
  56       int cbMaxTicket, u32 *pcbTicket );
  57
  58 u64_steamid SteamAPI_ISteamUser_GetSteamID( ISteamUser *self );
  59
  60
  61 /*
  62  * Application symetric-key ticket method (Server)
  63  */
  64
  65 enum { k_nSteamEncryptedAppTicketSymmetricKeyLen = 32 };
  66
  67 steamapi_bool SteamEncryptedAppTicket_BDecryptTicket( u8 *rgubTicketEncrypted,
  68          u32 cubTicketEncrypted, u8 *rgubTicketDecrypted,
  69          u32 *pcubTicketDecrypted,
  70          u8 rgubKey[k_nSteamEncryptedAppTicketSymmetricKeyLen],
  71          int cubKey );
  72
  73 steamapi_bool SteamEncryptedAppTicket_BIsTicketForApp( u8 *rgubTicketDecrypted,
  74       u32 cubTicketDecrypted, AppId_t nAppID );
  75
  76 RTime32 SteamEncryptedAppTicket_GetTicketIssueTime( u8 *rgubTicketDecrypted,
  77       u32 cubTicketDecrypted );
  78
  79 void SteamEncryptedAppTicket_GetTicketSteamID(
  80       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted, CSteamID *psteamID );
  81
  82 AppId_t SteamEncryptedAppTicket_GetTicketAppID( u8 *rgubTicketDecrypted,
  83       u32 cubTicketDecrypted );
  84
  85 steamapi_bool SteamEncryptedAppTicket_BUserOwnsAppInTicket(
  86       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted, AppId_t nAppID );
  87
  88 steamapi_bool SteamEncryptedAppTicket_BUserIsVacBanned(
  89       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted );
  90
  91 steamapi_bool SteamEncryptedAppTicket_BGetAppDefinedValue(
  92       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted, u32 *pValue );
  93
  94 u8 *SteamEncryptedAppTicket_GetUserVariableData( u8 *rgubTicketDecrypted,
  95       u32 cubTicketDecrypted, u32 *pcubUserData );
  96
  97 steamapi_bool SteamEncryptedAppTicket_BIsTicketSigned( u8 *rgubTicketDecrypted,
  98       u32 cubTicketDecrypted, u8 *pubRSAKey, u32 cubRSAKey );
  99
 100 steamapi_bool SteamEncryptedAppTicket_BIsLicenseBorrowed(
 101       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted );
 102
 103 steamapi_bool SteamEncryptedAppTicket_BIsLicenseTemporary(
 104       u8 *rgubTicketDecrypted, u32 cubTicketDecrypted );
 105
 106 static inline u8 vg_char_base16( char c )
 107 {
 108    if( c >= '0' && c <= '9' )
 109       return c-'0';
 110    if( c >= 'a' && c <= 'f' )
 111       return (c-'a') + 10;
 112
 113    return 0;
 114 }
 115
 116 static inline int vg_load_steam_symetric_key( const char *path, u8 *buf )
 117 {
 118    vg_linear_clear( vg_mem.scratch );
 119    u32 size;
 120    char *src = vg_file_read( vg_mem.scratch, path, &size );
 121
 122    if( src )
 123    {
 124       if( size < k_nSteamEncryptedAppTicketSymmetricKeyLen )
 125       {
 126          vg_error( "Application key was invalid size\n" );
 127          return 0;
 128       }
 129
 130       for( int i=0; i<k_nSteamEncryptedAppTicketSymmetricKeyLen; i++ )
 131       {
 132          buf[i] = (vg_char_base16( src[i*2+0] ) << 4) |
 133                    vg_char_base16( src[i*2+1] );
 134       }
 135
 136       return 1;
 137    }
 138    else
 139    {
 140       vg_error( "Application key path was invalid\n" );
 141       return 0;
 142    }
 143 }