Try to translate (very rudimentarily) RDP keycodes to VNC keysyms.

diff --git a/rdpsrv.c b/rdpsrv.c
index c838fc7a60c711d7f7ec8434a9b9755ad8040feb..94f20994376dfbb9b81588ed1809229189b1a9b6 100644 (file)
--- a/rdpsrv.c
+++ b/rdpsrv.c
@@ -8,6 +8,7 @@
 #include <arpa/inet.h>
 
 #include "rdesktop.h"
+#include "scancodes.h"
 
 const int tcp_port_rdp = 3389;
 int create_server_socket();
@@ -58,6 +59,30 @@ int create_server_socket()
        listen(server_sock, 20);
        return server_sock;
 }
+                       
+int map_scancode_to_vnc_key(int scancode)
+{
+       switch (scancode)
+       {
+       case SCANCODE_CHAR_1 ... SCANCODE_CHAR_9:
+               return scancode + '1' - SCANCODE_CHAR_1;
+       case SCANCODE_CHAR_0:
+               return '0';
+       case SCANCODE_CHAR_BACKSPACE:
+               return 0xff08;
+       case SCANCODE_CHAR_TAB:
+               return 0xff09;
+       case SCANCODE_CHAR_Q ... SCANCODE_CHAR_P:
+               return "QWERTYUIOP"[scancode - SCANCODE_CHAR_Q];
+       case SCANCODE_CHAR_A ... SCANCODE_CHAR_L:
+               return "ASDFGHJKL"[scancode - SCANCODE_CHAR_A];
+       case SCANCODE_CHAR_Z ... SCANCODE_CHAR_M:
+               return "ZXCVBNM"[scancode - SCANCODE_CHAR_Z];
+       default:
+               printf("Unknown scancode %x, ignoring\n", scancode);
+               return -1;
+       }
+}
 
 void handle_input_pdu(STREAM s, int vnc_sock)
 {
@@ -67,6 +92,7 @@ void handle_input_pdu(STREAM s, int vnc_sock)
        int i;
        char buf[256];
        static int mouse1_down = 0, mouse2_down = 0;
+       int vnc_key;
 
        in_uint16_le(s, num_events);   // number of events
        in_uint8s(s, 2);        // pad
@@ -86,7 +112,24 @@ void handle_input_pdu(STREAM s, int vnc_sock)
                        printf("- Type: Virtual key (ignored)\n");
                        break;
                case RDP_INPUT_SCANCODE:
-                       printf("- Type: Scancode (ignored)\n");
+                       printf("- Type: Scancode\n");
+                       printf("- Device flags: %x\n", device_flags);
+                       printf("- Key: %x\n", param1);
+                       
+                       vnc_key = map_scancode_to_vnc_key(param1);
+                       
+                       if (vnc_key != -1) {
+                               buf[0] = 4; // message type
+                               buf[1] = (device_flags & KBD_FLAG_DOWN) ? 1 : 0; // down flag
+                               buf[2] = 0; // padding
+                               buf[3] = 0;
+                               buf[4] = vnc_key >> 24;  // keysym
+                               buf[5] = (vnc_key >> 16) & 0xff;
+                               buf[6] = (vnc_key >> 8) & 0xff;
+                               buf[7] = vnc_key & 0xff;
+                               write(vnc_sock, buf, 8);
+                       }
+                       
                        break;
                case RDP_INPUT_MOUSE:
                        printf("- Type: Mouse\n");
@@ -335,9 +378,18 @@ int serve_client()
                                        error("short read on vnc_sock\n");
                                handle_vnc_fbupdate(vnc_sock);
                                break;
-                       case 2:
+                       case 2: // bell
                                printf("\a\n");
                                break;
+                       case 3:
+                               printf("New text in clipboard, ignoring\n");
+                               if (read(vnc_sock, buf, 3) != 3)
+                                       error("short read on vnc_sock\n");
+                               if (read(vnc_sock, buf, 4) != 4)
+                                       error("short read on vnc_sock\n");
+                               if (read(vnc_sock, (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3], 4) != 4)
+                                       error("short read on vnc_sock\n");
+                               
                        default:
                                printf("Unknown VNC server message %x\n", buf[0]);
                                exit(1);

diff --git a/scancodes.h b/scancodes.h
new file mode 100644 (file)
index 0000000..34d6021
--- /dev/null
+++ b/scancodes.h
@@ -0,0 +1,376 @@
+
+/* Two defines for every scancode:
+   One called SCANCODE_KEY_<num>, where <num> is the key location number. 
+   One called SCANCODE_CHAR_<char-on-us-kbd>, where <char-on-us-kbd> is the 
+   unshifted character on a US 101/102 keyboard. See the Microsoft 
+   document "Keyboard Scan Code Specification" for more information. 
+
+   Up keys normally have scancode values +0x80. 
+
+   0x0: Avoid 
+   0x1- 0x59: Normal
+   0x60, 0x61: Avoid, since the up key would be 0xe1, 0xe1
+   0x61 - 0x79: Normal
+   0xfa - : keyboard drivers interpret these as responses from the 8042 chip
+
+   We use bit 7 to indicate 0xe0 prefix instead of two-byte sequence (0xe0, something). Eq.,
+   0xe 0x38 is defined as (0x80 | 0x38)
+*/
+
+/* FIXME: 
+   Special keys like Numeric / are very complicated and emits many scancodes. 
+*/
+
+#define SCANCODE_EXTENDED 0x80
+
+#define SCANCODE_KEY_1 0x29
+#define SCANCODE_CHAR_GRAVE 0x29
+
+#define SCANCODE_KEY_2 0x2
+#define SCANCODE_CHAR_1 SCANCODE_KEY_2
+
+#define SCANCODE_KEY_3 0x3
+#define SCANCODE_CHAR_2 SCANCODE_KEY_3
+
+#define SCANCODE_KEY_4 0x4
+#define SCANCODE_CHAR_3 SCANCODE_KEY_4
+
+#define SCANCODE_KEY_5 0x5
+#define SCANCODE_CHAR_4 SCANCODE_KEY_5
+
+#define SCANCODE_KEY_6 0x6
+#define SCANCODE_CHAR_5 SCANCODE_KEY_6
+
+#define SCANCODE_KEY_7 0x7
+#define SCANCODE_CHAR_6 SCANCODE_KEY_7
+
+#define SCANCODE_KEY_8 0x8
+#define SCANCODE_CHAR_7 SCANCODE_KEY_8
+
+#define SCANCODE_KEY_9 0x9
+#define SCANCODE_CHAR_8 SCANCODE_KEY_9
+
+#define SCANCODE_KEY_10 0xa
+#define SCANCODE_CHAR_9 SCANCODE_KEY_10
+
+#define SCANCODE_KEY_11 0xb
+#define SCANCODE_CHAR_0 SCANCODE_KEY_11
+
+#define SCANCODE_KEY_12 0xc
+#define SCANCODE_CHAR_MINUS SCANCODE_KEY_12
+
+#define SCANCODE_KEY_13 0xd
+#define SCANCODE_CHAR_EQUAL SCANCODE_KEY_13
+
+/* Key 14 does not exist */
+
+#define SCANCODE_KEY_15 0xe
+#define SCANCODE_CHAR_BACKSPACE SCANCODE_KEY_15
+
+#define SCANCODE_KEY_16 0xf
+#define SCANCODE_CHAR_TAB SCANCODE_KEY_16
+
+#define SCANCODE_KEY_17 0x10
+#define SCANCODE_CHAR_Q SCANCODE_KEY_17
+
+#define SCANCODE_KEY_18 0x11
+#define SCANCODE_CHAR_W SCANCODE_KEY_18
+
+#define SCANCODE_KEY_19 0x12
+#define SCANCODE_CHAR_E SCANCODE_KEY_19
+
+#define SCANCODE_KEY_20 0x13
+#define SCANCODE_CHAR_R SCANCODE_KEY_20
+
+#define SCANCODE_KEY_21 0x14
+#define SCANCODE_CHAR_T SCANCODE_KEY_21
+
+#define SCANCODE_KEY_22 0x15
+#define SCANCODE_CHAR_Y SCANCODE_KEY_22
+
+#define SCANCODE_KEY_23 0x16
+#define SCANCODE_CHAR_U SCANCODE_KEY_23
+
+#define SCANCODE_KEY_24 0x17
+#define SCANCODE_CHAR_I SCANCODE_KEY_24
+
+#define SCANCODE_KEY_25 0x18
+#define SCANCODE_CHAR_O SCANCODE_KEY_25
+
+#define SCANCODE_KEY_26 0x19
+#define SCANCODE_CHAR_P SCANCODE_KEY_26
+
+#define SCANCODE_KEY_27 0x1a
+#define SCANCODE_CHAR_BRACKETLEFT SCANCODE_KEY_27
+
+#define SCANCODE_KEY_28 0x1b
+#define SCANCODE_CHAR_BRACKETRIGHT SCANCODE_KEY_28
+
+/* Only on US keyboard */
+#define SCANCODE_KEY_29 0x2b
+#define SCANCODE_CHAR_BACKSLASH SCANCODE_KEY_29
+
+#define SCANCODE_KEY_30 0x3a
+#define SCANCODE_CHAR_CAPSLOCK SCANCODE_KEY_30
+
+#define SCANCODE_KEY_31 0x1e
+#define SCANCODE_CHAR_A SCANCODE_KEY_31
+
+#define SCANCODE_KEY_32 0x1f
+#define SCANCODE_CHAR_S SCANCODE_KEY_32
+
+#define SCANCODE_KEY_33 0x20
+#define SCANCODE_CHAR_D SCANCODE_KEY_33
+
+#define SCANCODE_KEY_34 0x21
+#define SCANCODE_CHAR_F SCANCODE_KEY_34
+
+#define SCANCODE_KEY_35 0x22
+#define SCANCODE_CHAR_G SCANCODE_KEY_35
+
+#define SCANCODE_KEY_36 0x23
+#define SCANCODE_CHAR_H SCANCODE_KEY_36
+
+#define SCANCODE_KEY_37 0x24
+#define SCANCODE_CHAR_J SCANCODE_KEY_37
+
+#define SCANCODE_KEY_38 0x25
+#define SCANCODE_CHAR_K SCANCODE_KEY_38
+
+#define SCANCODE_KEY_39 0x26
+#define SCANCODE_CHAR_L SCANCODE_KEY_39
+
+#define SCANCODE_KEY_40 0x27
+#define SCANCODE_CHAR_SEMICOLON SCANCODE_KEY_40
+
+#define SCANCODE_KEY_41 0x28
+#define SCANCODE_CHAR_APOSTROPHE SCANCODE_KEY_41
+
+/* Only on international keyboard */
+#define SCANCODE_KEY_42 0x2b
+
+#define SCANCODE_KEY_43 0x1c
+#define SCANCODE_CHAR_ENTER SCANCODE_KEY_43
+
+#define SCANCODE_KEY_44 0x2a
+#define SCANCODE_CHAR_LSHIFT SCANCODE_KEY_44
+
+/* Only on international keyboard */
+#define SCANCODE_KEY_45 0x56
+
+#define SCANCODE_KEY_46 0x2c
+#define SCANCODE_CHAR_Z SCANCODE_KEY_46
+
+#define SCANCODE_KEY_47 0x2d
+#define SCANCODE_CHAR_X SCANCODE_KEY_47
+
+#define SCANCODE_KEY_48 0x2e
+#define SCANCODE_CHAR_C SCANCODE_KEY_48
+
+#define SCANCODE_KEY_49 0x2f
+#define SCANCODE_CHAR_V SCANCODE_KEY_49
+
+#define SCANCODE_KEY_50 0x30
+#define SCANCODE_CHAR_B SCANCODE_KEY_50
+
+#define SCANCODE_KEY_51 0x31
+#define SCANCODE_CHAR_N SCANCODE_KEY_51
+
+#define SCANCODE_KEY_52 0x32
+#define SCANCODE_CHAR_M SCANCODE_KEY_52
+
+#define SCANCODE_KEY_53 0x33
+#define SCANCODE_CHAR_COMMA SCANCODE_KEY_53
+
+#define SCANCODE_KEY_54 0x34
+#define SCANCODE_CHAR_DOT SCANCODE_KEY_54
+
+#define SCANCODE_KEY_55 0x35
+#define SCANCODE_CHAR_SLASH SCANCODE_KEY_55
+
+/* Only on Brazilian and some Far East keyboards */
+#define SCANCODE_KEY_56 0x73
+
+#define SCANCODE_KEY_57 0x36
+#define SCANCODE_CHAR_RSHIFT SCANCODE_KEY_57
+
+#define SCANCODE_KEY_58 0x1d
+#define SCANCODE_CHAR_LCTRL SCANCODE_KEY_58
+
+/* Key 59 does not exist */
+
+#define SCANCODE_KEY_60 0x38
+#define SCANCODE_CHAR_LALT SCANCODE_KEY_60
+
+#define SCANCODE_KEY_61 0x39
+#define SCANCODE_CHAR_SPACE SCANCODE_KEY_61
+
+#define SCANCODE_KEY_62 (SCANCODE_EXTENDED | 0x38)
+#define SCANCODE_CHAR_RALT SCANCODE_KEY_62
+
+/* Key 63 does not exist */
+
+#define SCANCODE_KEY_64 (SCANCODE_EXTENDED | 0x1d)
+#define SCANCODE_CHAR_RCTRL SCANCODE_KEY_64
+
+/* Key 65 - 74 does not exist */
+
+#define SCANCODE_KEY_75 (SCANCODE_EXTENDED | 0x52)
+#define SCANCODE_CHAR_INSERT SCANCODE_KEY_75
+
+#define SCANCODE_KEY_76 (SCANCODE_EXTENDED | 0x53)
+#define SCANCODE_CHAR_DELETE SCANCODE_KEY_76
+
+/* Key 77 - 78 does not exist */
+
+#define SCANCODE_KEY_79 (SCANCODE_EXTENDED | 0x4b)
+#define SCANCODE_CHAR_LARROW SCANCODE_KEY_79
+
+#define SCANCODE_KEY_80 (SCANCODE_EXTENDED | 0x47)
+#define SCANCODE_CHAR_HOME SCANCODE_KEY_80
+
+#define SCANCODE_KEY_81 (SCANCODE_EXTENDED | 0x4f)
+#define SCANCODE_CHAR_END SCANCODE_KEY_81
+
+/* Key 82 does not exist */
+
+#define SCANCODE_KEY_83 (SCANCODE_EXTENDED | 0x48)
+#define SCANCODE_CHAR_UPARROW SCANCODE_KEY_83
+
+#define SCANCODE_KEY_84 (SCANCODE_EXTENDED | 0x50)
+#define SCANCODE_CHAR_DNARROW SCANCODE_KEY_84
+
+#define SCANCODE_KEY_85 (SCANCODE_EXTENDED | 0x49)
+#define SCANCODE_CHAR_PAGEUP SCANCODE_KEY_85
+
+#define SCANCODE_KEY_86 (SCANCODE_EXTENDED | 0x51)
+#define SCANCODE_CHAR_PAGEDOWN SCANCODE_KEY_86
+
+/* Key 87 - 88 does not exist */
+
+#define SCANCODE_KEY_89 (SCANCODE_EXTENDED | 0x4d)
+#define SCANCODE_CHAR_RARROW SCANCODE_KEY_89
+
+#define SCANCODE_KEY_90 0x45
+#define SCANCODE_CHAR_NUMLOCK SCANCODE_KEY_90
+
+#define SCANCODE_KEY_91 0x47
+#define SCANCODE_CHAR_NUMERIC7 SCANCODE_KEY_91
+
+#define SCANCODE_KEY_92 0x4b
+#define SCANCODE_CHAR_NUMERIC4 SCANCODE_KEY_92
+
+#define SCANCODE_KEY_93 0x4f
+#define SCANCODE_CHAR_NUMERIC1 SCANCODE_KEY_93
+
+/* Key 94 does not exist */
+
+#define SCANCODE_KEY_95 (SCANCODE_EXTENDED | 0x35)
+#define SCANCODE_CHAR_NUMERICSLASH SCANCODE_KEY_95
+
+#define SCANCODE_KEY_96 0x48
+#define SCANCODE_CHAR_NUMERIC8 SCANCODE_KEY_96
+
+#define SCANCODE_KEY_97 0x4c
+#define SCANCODE_CHAR_NUMERIC5 SCANCODE_KEY_97
+
+#define SCANCODE_KEY_98 0x50
+#define SCANCODE_CHAR_NUMERIC2 SCANCODE_KEY_98
+
+#define SCANCODE_KEY_99 0x52
+#define SCANCODE_CHAR_NUMERIC0 SCANCODE_KEY_99
+
+#define SCANCODE_KEY_100 0x37
+#define SCANCODE_CHAR_NUMERICSTAR SCANCODE_KEY_100
+
+#define SCANCODE_KEY_101 0x49
+#define SCANCODE_CHAR_NUMERIC9 SCANCODE_KEY_101
+
+#define SCANCODE_KEY_102 0x4d
+#define SCANCODE_CHAR_NUMERIC6 SCANCODE_KEY_102
+
+#define SCANCODE_KEY_103 0x51
+#define SCANCODE_CHAR_NUMERIC3 SCANCODE_KEY_103
+
+#define SCANCODE_KEY_104 0x53
+#define SCANCODE_CHAR_NUMERICDOT SCANCODE_KEY_104
+
+#define SCANCODE_KEY_105 0x4a
+#define SCANCODE_CHAR_NUMERICMINUS SCANCODE_KEY_105
+
+#define SCANCODE_KEY_106 0x4e
+#define SCANCODE_CHAR_NUMERICPLUS SCANCODE_KEY_106
+
+/* Only on Brazilian and some Far East keyboards */
+#define SCANCODE_KEY_107 0x
+
+#define SCANCODE_KEY_108 (SCANCODE_EXTENDED | 0x1c)
+#define SCANCODE_CHAR_NUMERICENTER SCANCODE_KEY_108
+
+/* Key 109 does not exist */
+
+#define SCANCODE_KEY_110 0x1
+#define SCANCODE_CHAR_ESC SCANCODE_KEY_110
+
+/* Key 111 does not exist */
+
+#define SCANCODE_KEY_112 0x3b
+#define SCANCODE_CHAR_F1 SCANCODE_KEY_112
+
+#define SCANCODE_KEY_113 0x3c
+#define SCANCODE_CHAR_F2 SCANCODE_KEY_113
+
+#define SCANCODE_KEY_114 0x3d
+#define SCANCODE_CHAR_F3 SCANCODE_KEY_114
+
+#define SCANCODE_KEY_115 0x3e
+#define SCANCODE_CHAR_F4 SCANCODE_KEY_115
+
+#define SCANCODE_KEY_116 0x3f
+#define SCANCODE_CHAR_F5 SCANCODE_KEY_116
+
+#define SCANCODE_KEY_117 0x40
+#define SCANCODE_CHAR_F6 SCANCODE_KEY_117
+
+#define SCANCODE_KEY_118 0x41
+#define SCANCODE_CHAR_F7 SCANCODE_KEY_118
+
+#define SCANCODE_KEY_119 0x42
+#define SCANCODE_CHAR_F8 SCANCODE_KEY_119
+
+#define SCANCODE_KEY_120 0x43
+#define SCANCODE_CHAR_F9 SCANCODE_KEY_120
+
+#define SCANCODE_KEY_121 0x44
+#define SCANCODE_CHAR_F10 SCANCODE_KEY_121
+
+#define SCANCODE_KEY_122 0x57
+#define SCANCODE_CHAR_F11 SCANCODE_KEY_122
+
+#define SCANCODE_KEY_123 0x58
+#define SCANCODE_CHAR_F12 SCANCODE_KEY_123
+
+/* Key 124: The Print Screen sequence is complicated, and
+   hardcoded in xkeymap.c */
+
+#define SCANCODE_KEY_125 0x46
+#define SCANCODE_CHAR_SCROLLLOCK SCANCODE_KEY_125
+
+/* Key 126: The Pause and Break sequences is complicated, and
+   hardcoded in xkeymap.c */
+
+/* 
+   The keys below does not have any key location number
+*/
+
+#define SCANCODE_CHAR_LWIN (SCANCODE_EXTENDED | 0x5b)
+
+#define SCANCODE_CHAR_RWIN (SCANCODE_EXTENDED | 0x5c)
+
+#define SCANCODE_CHAR_APPLICATION (SCANCODE_EXTENDED | 0x5d)
+
+#define SCANCODE_CHAR_ACPIPOWER (SCANCODE_EXTENDED | 0x5e)
+
+#define SCANCODE_CHAR_ACPISLEEP (SCANCODE_EXTENDED | 0x5f)
+
+#define SCANCODE_CHAR_ACPIWAKE (SCANCODE_EXTENDED | 0x63)