| 1 | /* $Id: spy.cpp,v 1.5 2000-01-01 14:57:22 cbratschi Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Queue procedures to send messages to the spy server | 
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| 5 | * | 
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| 6 | * Copyright 1999 Sander van Leeuwen | 
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| 7 | * | 
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| 8 | * | 
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| 9 | * Project Odin Software License can be found in LICENSE.TXT | 
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| 10 | * | 
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| 11 | */ | 
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| 12 | #define INCL_DOSPROCESS | 
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| 13 | #define INCL_DOSQUEUES | 
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| 14 | #define INCL_DOSMEMMGR | 
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| 15 | #define INCL_WINMESSAGEMGR | 
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| 16 | #define INCL_DOSERRORS | 
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| 17 | #define INCL_DOSSEMAPHORES | 
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| 18 | #include <os2.h> | 
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| 19 | #include <os2wrap.h> | 
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| 20 |  | 
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| 21 | #include <stdlib.h> | 
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| 22 | #include <stddef.h> | 
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| 23 | #include <string.h> | 
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| 24 | #include <misc.h> | 
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| 25 | #include <spy.h> | 
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| 26 |  | 
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| 27 |  | 
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| 28 | #define  Q_BUFFER_SIZE  4096 | 
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| 29 | #define  MAX_MESSAGES   (Q_BUFFER_SIZE/sizeof(Q_SPYMSG)) | 
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| 30 |  | 
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| 31 | PID       pidServer  = 0; | 
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| 32 | HQUEUE    hqQueue    = 0; | 
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| 33 | Q_SPYMSG *pvdQMemory = 0; | 
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| 34 | int       msgIndex   = 0; | 
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| 35 |  | 
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| 36 | BOOL InitSpyQueue() | 
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| 37 | { | 
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| 38 | APIRET rc; | 
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| 39 |  | 
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| 40 | if ((rc = DosOpenQueue(&pidServer, &hqQueue, "\\queues\\"Q_NAME)) != 0) | 
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| 41 | { | 
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| 42 | dprintf(("InitSpyQueue: couldn't open spy queue rc=%d!", rc)); | 
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| 43 | return FALSE; | 
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| 44 | } | 
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| 45 | if ((rc = DosAllocSharedMem((VOID **)&pvdQMemory, | 
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| 46 | NULL, | 
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| 47 | Q_BUFFER_SIZE, | 
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| 48 | fALLOCSHR)) != 0) | 
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| 49 | { | 
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| 50 | dprintf(("InitSpyQueue: DosAllocSharedMem failed rc=%d", rc)); | 
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| 51 | DosCloseQueue(hqQueue); | 
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| 52 | return FALSE; | 
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| 53 | } | 
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| 54 |  | 
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| 55 | /* give memory to server */ | 
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| 56 | if (DosGiveSharedMem(pvdQMemory, pidServer, PAG_READ | PAG_WRITE)) | 
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| 57 | { | 
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| 58 | dprintf(("InitSpyQueue: DosGiveSharedMem failed")); | 
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| 59 | DosCloseQueue(hqQueue); | 
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| 60 | return FALSE; | 
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| 61 | } | 
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| 62 | return (TRUE); | 
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| 63 | } | 
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| 64 |  | 
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| 65 | void CloseSpyQueue() | 
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| 66 | { | 
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| 67 | APIRET rc; | 
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| 68 |  | 
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| 69 | dprintf(("CloseSpyQueue")); | 
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| 70 | if(hqQueue) { | 
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| 71 | if(pvdQMemory) { | 
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| 72 | rc = DosWriteQueue(hqQueue, Q_SPYMSG_KILLSERVER, 0, 0, 0); | 
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| 73 | if(rc) { | 
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| 74 | dprintf(("CloseSpyQueue: DosWriteQueue returned %d", rc)); | 
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| 75 | } | 
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| 76 | } | 
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| 77 | DosCloseQueue(hqQueue); | 
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| 78 | } | 
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| 79 | if(pvdQMemory) | 
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| 80 | DosFreeMem(pvdQMemory); | 
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| 81 | } | 
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| 82 |  | 
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| 83 | #ifdef DEBUG | 
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| 84 | BOOL PostSpyMessage(HWND hwnd, ULONG Msg, ULONG wParam, ULONG lParam) | 
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| 85 | { | 
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| 86 | APIRET rc; | 
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| 87 |  | 
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| 88 | if (hqQueue == 0) | 
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| 89 | return FALSE; | 
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| 90 |  | 
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| 91 | pvdQMemory[msgIndex].hwnd   = hwnd; | 
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| 92 | pvdQMemory[msgIndex].Msg    = Msg; | 
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| 93 | pvdQMemory[msgIndex].wParam = wParam; | 
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| 94 | pvdQMemory[msgIndex].lParam = lParam; | 
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| 95 |  | 
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| 96 | if ((rc = DosWriteQueue(hqQueue, | 
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| 97 | Q_SPYMSG_WNDMSG, | 
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| 98 | sizeof(Q_SPYMSG), | 
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| 99 | &pvdQMemory[msgIndex], | 
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| 100 | 0)) != 0) | 
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| 101 | { | 
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| 102 | hqQueue = 0; //give up, server probably died | 
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| 103 | dprintf(("PostSpyMessage: DosWriteQueue returned %d", rc)); | 
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| 104 | return FALSE; | 
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| 105 | } | 
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| 106 | if(++msgIndex >= MAX_MESSAGES) | 
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| 107 | { | 
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| 108 | msgIndex = 0; | 
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| 109 | } | 
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| 110 | return TRUE; | 
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| 111 | } | 
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| 112 |  | 
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| 113 | #endif | 
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