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    41 

    42 #ifndef QTRANSPORTAUTHDEFS_QWS_H

    43 #define QTRANSPORTAUTHDEFS_QWS_H

    44 

    45 #include <sys/types.h>

    46 #include <string.h>

    47 

    48 #include <QtCore/qglobal.h>

    49 

    50 QT_BEGIN_HEADER

    51 

    52 QT_BEGIN_NAMESPACE

    53 

    54 QT_MODULE(Gui)

    55 

    56 #define QSXE_KEY_LEN 16

    57 #define QSXE_MAGIC_BYTES 4

    58 

    59 // Number of bytes of each message to authenticate.  Just need to ensure

    60 // that the command at the beginning hasn't been tampered with.  This value

    61 // does not matter for trusted transports.

    62 #define AMOUNT_TO_AUTHENTICATE 200

    63 

    64 #define AUTH_ID(k) ((unsigned char)(k[QSXE_KEY_LEN]))

    65 #define AUTH_KEY(k) ((unsigned char *)(k))

    66 

    67 // must be a largish -ve number under any endianess when cast as an int

    68 const unsigned char magic[QSXE_MAGIC_BYTES] = { 0xBA, 0xD4, 0xD4, 0xBA };

    69 const int magicInt = 0xBAD4D4BA;

    70 

    71 #define QSXE_KEYFILE "keyfile"

    72 

    73 /*

    74   Header in above format, less the magic bytes.

    75   Useful for reading off the socket

    76 */

    77 struct AuthHeader

    78 {

    79     unsigned char len;

    80     unsigned char pad;

    81     unsigned char digest[QSXE_KEY_LEN];

    82     unsigned char id;

    83     unsigned char seq;

    84 };

    85 

    86 /*

    87   Header in a form suitable for authentication routines

    88 */

    89 struct AuthMessage

    90 {

    91     AuthMessage()

    92     {

    93         ::memset( authData, 0, sizeof(authData) );

    94         ::memcpy( pad_magic, magic, QSXE_MAGIC_BYTES );

    95     }

    96     unsigned char pad_magic[QSXE_MAGIC_BYTES];

    97     union {

    98         AuthHeader hdr;

    99         char authData[sizeof(AuthHeader)];

   100     };

   101     char payLoad[AMOUNT_TO_AUTHENTICATE];

   102 };

   103 

   104 /**

   105   Auth data as stored in _key

   106 */

   107 struct AuthCookie

   108 {

   109     unsigned char key[QSXE_KEY_LEN];

   110     unsigned char pad;

   111     unsigned char progId;

   112 };

   113 

   114 /*

   115   Auth data as written to the key file - SUPERSEDED by usr_key_entry

   116 

   117   This is still used internally for some functions, ie the socket

   118   related calls.

   119 */

   120 struct AuthRecord

   121 {

   122     union {

   123         AuthCookie auth;

   124         char data[sizeof(struct AuthCookie)];

   125     };

   126     time_t change_time;

   127 };

   128 

   129 /*!

   130   \class usr_key_entry

   131   This comes from the SXE kernel patch file include/linux/lidsif.h

   132 

   133   This is the (new) data record for the key file (version 2).

   134 

   135   The key file is (now) either /proc/lids/keys (and the per-process

   136   keys in /proc/<pid>/lids_key) OR for desktop/development ONLY (not

   137   for production) it is $QPEDIR/etc/keyfile

   138 

   139   The key file maps keys to files.

   140 

   141   File are identified by inode and device numbers, not paths.

   142 

   143   (See the "installs" file for path to inode/device mapping)

   144 */

   145 struct usr_key_entry

   146 {

   147     char key[QSXE_KEY_LEN];

   148     ino_t ino;

   149     dev_t dev;

   150 };

   151 

   152 

   153 /*!

   154   \class IdBlock

   155   \brief Data record for the manifest file.

   156   The manifest file maps program id's to files

   157 */

   158 struct IdBlock

   159 {

   160     quint64 inode;

   161     quint64 device;

   162     unsigned char pad;

   163     unsigned char progId;

   164     unsigned short installId;

   165     unsigned int keyOffset;

   166     qint64 install_time;

   167 };

   168 

   169 QT_END_NAMESPACE

   170 

   171 QT_END_HEADER

   172 

   173 #endif // QTRANSPORTAUTHDEFS_QWS_H

   174