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Rev 5677 Rev 5680
Line 27... Line 27...
27 
        mov     eax, [esi+addrinfo.ai_addr]
 27 
        mov     eax, [esi+addrinfo.ai_addr]
28 
        mov     eax, [eax+sockaddr_in.sin_addr]
 28 
        mov     eax, [eax+sockaddr_in.sin_addr]
29 
        mov     [sockaddr1.ip], eax
 29 
        mov     [sockaddr1.ip], eax
Line 30... Line 30...
30 
 
 30 
 
31 
        DEBUGF  1, "Connecting to %u.%u.%u.%u:%u\n", \
 - 
 
32 
                [sockaddr1.ip]:1, [sockaddr1.ip+1]:1, \
 31 
        DEBUGF  1, "Connecting to %u.%u.%u.%u:%u\n", \
33 
                [sockaddr1.ip+2]:1, [sockaddr1.ip+3]:1, \
 32 
        [sockaddr1.ip]:1, [sockaddr1.ip+1]:1, [sockaddr1.ip+2]:1, [sockaddr1.ip+3]:1, \
Line 34... Line 33...
34 
                [sockaddr1.port]:2
 33 
        [sockaddr1.port]:2
Line 35... Line 34...
35 
 
 34 
 
Line 47... Line 46...
47 
        ; TODO: implement timeout
 46 
        ; TODO: implement timeout
48 
        call    wait_for_data
 47 
        call    wait_for_data
Line 49... Line 48...
49 
 
 48 
 
50 
        cmp     dword[receive_buffer], "RFB "
 49 
        cmp     dword[receive_buffer], "RFB "
51 
        jne     err_proto
 50 
        jne     err_proto
52 
        DEBUGF  1, "received: %s\n", receive_buffer
 51 
        DEBUGF  1, "Sending handshake\n"
53 
        mcall   send, [socketnum], HandShake, 12, 0
 - 
 
54 
        DEBUGF  1, "Sending handshake: protocol version\n"
 - 
 
55 
 
 52 
        mcall   send, [socketnum], HandShake, 12, 0
Line 56... Line 53...
56 
        call    wait_for_data
 53 
        call    wait_for_data
57 
 
 54 
 
58 
        cmp     dword[receive_buffer], 0x01000000
 55 
        cmp     dword[receive_buffer], 0x01000000       ; no security
59 
        je      no_security
 56 
        je      initialize
- 
 
 57 
        cmp     dword[receive_buffer], 0x02000000       ; VNC security
60 
        cmp     dword[receive_buffer], 0x02000000
 58 
        je      vnc_security
Line 61... Line 59...
61 
        je      vnc_security
 59 
 
62 
        jmp     err_security
 - 
 
63 
 
 - 
 
Line -... Line 60...
- 
 
 60 
        jmp     err_security
- 
 
 61 
 
- 
 
 62 
vnc_security:
- 
 
 63 
 
- 
 
 64 
        mov     dword[password], 0
- 
 
 65 
        mov     dword[password+4], 0
- 
 
 66 
 
- 
 
 67 
        and     [USERbox.flags], not ed_focus
- 
 
 68 
        or      [USERbox.flags], ed_disabled
- 
 
 69 
        or      [PASSbox.flags], ed_focus
- 
 
 70 
 
- 
 
 71 
        mov     [status], STATUS_REQ_LOGIN
- 
 
 72 
        inc     [update_gui]
- 
 
 73 
  @@:
- 
 
 74 
        mcall   5, 10
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 75 
        cmp     [status], STATUS_LOGIN
- 
 
 76 
        je      @f
- 
 
 77 
        cmp     [status], STATUS_REQ_LOGIN
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 78 
        je      @r
- 
 
 79 
        mcall   -1
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 80 
  @@:
- 
 
 81 
        DEBUGF  1, "VNC authentication\n"
- 
 
 82 
 
- 
 
 83 
; Bit reverse the password and create DES keys
- 
 
 84 
 
- 
 
 85 
        mov     ebx, dword[password]
- 
 
 86 
        mov     edx, ebx
- 
 
 87 
        and     ebx, 0xf0f0f0f0
- 
 
 88 
        shr     ebx, 4
- 
 
 89 
        and     edx, 0x0f0f0f0f
- 
 
 90 
        shl     edx, 4
- 
 
 91 
        or      ebx, edx
- 
 
 92 
        mov     edx, ebx
- 
 
 93 
        and     ebx, 0xCCCCCCCC
- 
 
 94 
        shr     ebx, 2
- 
 
 95 
        and     edx, 0x33333333
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 96 
        shl     edx, 2
- 
 
 97 
        or      ebx, edx
- 
 
 98 
        mov     edx, ebx
- 
 
 99 
        and     ebx, 0xAAAAAAAA
- 
 
 100 
        shr     ebx, 1
- 
 
 101 
        and     edx, 0x55555555
- 
 
 102 
        shl     edx, 1
- 
 
 103 
        or      ebx, edx
- 
 
 104 
        bswap   ebx
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 105 
 
- 
 
 106 
        mov     eax, dword[password+4]
- 
 
 107 
        mov     edx, eax
- 
 
 108 
        and     eax, 0xf0f0f0f0
- 
 
 109 
        shr     eax, 4
- 
 
 110 
        and     edx, 0x0f0f0f0f
- 
 
 111 
        shl     edx, 4
- 
 
 112 
        or      eax, edx
- 
 
 113 
        mov     edx, eax
- 
 
 114 
        and     eax, 0xCCCCCCCC
- 
 
 115 
        shr     eax, 2
- 
 
 116 
        and     edx, 0x33333333
- 
 
 117 
        shl     edx, 2
- 
 
 118 
        or      eax, edx
- 
 
 119 
        mov     edx, eax
- 
 
 120 
        and     eax, 0xAAAAAAAA
- 
 
 121 
        shr     eax, 1
- 
 
 122 
        and     edx, 0x55555555
- 
 
 123 
        shl     edx, 1
- 
 
 124 
        or      edx, eax
- 
 
 125 
        bswap   edx
- 
 
 126 
 
- 
 
 127 
        mov     edi, keys
- 
 
 128 
        call    DES_create_keys
- 
 
 129 
 
- 
 
 130 
; Encrypt message with DES
- 
 
 131 
 
- 
 
 132 
        mov     ebx, dword[receive_buffer+4]
- 
 
 133 
        mov     edx, dword[receive_buffer+8]
- 
 
 134 
        call    encrypt_DES
- 
 
 135 
        mov     dword[receive_buffer+4], ebx
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 136 
        mov     dword[receive_buffer+8], edx
- 
 
 137 
 
- 
 
 138 
        mov     ebx, dword[receive_buffer+12]
- 
 
 139 
        mov     edx, dword[receive_buffer+16]
- 
 
 140 
        call    encrypt_DES
- 
 
 141 
        mov     dword[receive_buffer+12], ebx
- 
 
 142 
        mov     dword[receive_buffer+16], edx
- 
 
 143 
 
- 
 
 144 
; Blank out the password and key fields in RAM
- 
 
 145 
 
- 
 
 146 
        mov     edi, password
- 
 
 147 
        mov     ecx, 384/4
- 
 
 148 
        xor     eax, eax
- 
 
 149 
        rep     stosd
- 
 
 150 
 
- 
 
 151 
; Send the authentication response to server
- 
 
 152 
 
- 
 
 153 
        mcall   send, [socketnum], receive_buffer+4, 16, 0
- 
 
 154 
 
- 
 
 155 
        call    wait_for_data
64 
vnc_security:
 156 
        cmp     dword[receive_buffer], 0
- 
 
 157 
        jne     err_login
65 
        mov     [status], STATUS_LOGIN
 158 
;        jmp     initialize
66 
        call    draw_gui
 - 
 
Line 67... Line 159...
67 
 
 159 
 
Line 68... Line 160...
68 
no_security:
 160 
initialize:
69 
        mcall   send, [socketnum], ClientInit, 1, 0
 161 
        DEBUGF  1, "Sending ClientInit\n"
Line 347... Line 439...
347 
err_security:
 439 
err_security:
348 
        mov     [status], STATUS_SECURITY_ERR
 440 
        mov     [status], STATUS_SECURITY_ERR
349 
        inc     [update_gui]
 441 
        inc     [update_gui]
350 
        mcall   -1
 442 
        mcall   -1
351 
        ret
 443 
        ret
- 
 
 444 
 
- 
 
 445 
err_login:
- 
 
 446 
        mov     [status], STATUS_LOGIN_FAILED
- 
 
 447 
        inc     [update_gui]
- 
 
 448 
        mcall   -1
- 
 
 449 
        ret