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annotate ui/processhelp_win.cpp @ 831:747a48996c1f

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(Issue13) Precompile uninstaller Create-dist-packge now creates a temporary installer that only writes the uninstaller. Then it excutes this installer (using wine) to create the uninstaller. That uninstaller is then packaged normaly and packaged instead of the written uninstaller.
author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 24 Jul 2014 15:59:00 +0200
parents 20ca94680003
children
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details. */
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7
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8 #ifdef WIN32
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9 #include "processhelp.h"
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10 #include "strhelp.h"
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11 #include "util.h"
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12
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13 #include <windows.h>
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14 #include <tlhelp32.h>
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15 #include <psapi.h>
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16 #include <unistd.h>
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17
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18 #include <QDebug>
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19
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20 struct EnumWindowsStruct {
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21 EnumWindowsStruct() : windowId(0) {}
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22 DWORD pid;
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23 HWND windowId;
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24 };
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25
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26 BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam)
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27 {
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28 if (GetWindowLong(hwnd, GWL_STYLE) & WS_VISIBLE) {
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29
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30 DWORD pidwin;
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31
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32 GetWindowThreadProcessId(hwnd, &pidwin);
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33 if (pidwin == ((EnumWindowsStruct *)lParam)->pid) {
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34 ((EnumWindowsStruct *)lParam)->windowId = hwnd;
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35 return FALSE;
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36 }
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37 }
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38 return TRUE;
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39 }
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40
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41 static HANDLE getProcessHandle(int processID)
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42 {
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43 return OpenProcess(SYNCHRONIZE |
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44 PROCESS_QUERY_INFORMATION |
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45 PROCESS_VM_READ |
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46 PROCESS_TERMINATE,
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47 false, processID);
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48 }
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49
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50 const QList<int> ProcessHelp::getProcessesIdForName(const QString &processName)
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51 {
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52 HANDLE h;
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53 PROCESSENTRY32 pe32;
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54 QList <int> pids;
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55
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56 h = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
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57 if (h == INVALID_HANDLE_VALUE) {
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58 return pids;
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59 }
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60
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61 pe32.dwSize = sizeof(PROCESSENTRY32); // Necessary according to MSDN
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62 if (!Process32First(h, &pe32)) {
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63 return pids;
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64 }
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65
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66 pids.clear();
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67
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68 const QString processNameLower = processName.toLower().replace(".exe", "");
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69 const QString processNameExe = processNameLower + ".exe";
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70
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71 do {
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72 const QString exeFile = QString::fromWCharArray(pe32.szExeFile).toLower();
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73 if (exeFile == processNameLower || exeFile == processNameExe) {
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74 PSID user_sid = get_process_owner(GetCurrentProcess());
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75 if (user_sid) {
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76 // Also check that we are the owner of that process
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77 HANDLE hProcess = getProcessHandle(pe32.th32ProcessID);
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78 if (!hProcess) {
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79 continue;
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80 }
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81
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82 PSID sid = get_process_owner(hProcess);
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83 PSID userSid = get_process_owner(GetCurrentProcess());
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84 if (!sid || (userSid && !EqualSid(userSid, sid))) {
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85 free(sid);
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86 continue;
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87 }
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88 }
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89 pids.append((int)pe32.th32ProcessID);
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90 qDebug() << "found PID: " << (int)pe32.th32ProcessID;
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91 }
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92 } while (Process32Next(h, &pe32));
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93 CloseHandle(h);
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94 return pids;
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95 }
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96
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97 bool ProcessHelp::otherProcessesExist(const QString &processName)
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98 {
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99 const QList<int> pids = getProcessesIdForName(processName);
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100 int myPid = getpid();
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101 foreach(int pid, pids) {
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102 if (myPid != pid) {
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103 qDebug() << "Found another process with id: " << pid;
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104 return true;
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105 }
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106 }
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107 return false;
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108 }
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109
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110 void ProcessHelp::activateWindowForProcess(const QString &executableName)
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111 {
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112 const QList<int> pids = getProcessesIdForName(executableName);
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113 int myPid = getpid();
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114 int foundPid = 0;
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115 foreach(int pid, pids) {
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116 if (myPid != pid) {
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117 qDebug() << "activateWindowForProcess(): PID to activate:" << pid;
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118 foundPid = pid;
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119 break;
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120 }
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121 }
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122 if (foundPid == 0) {
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123 return;
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124 }
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125 EnumWindowsStruct winStruct;
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126 winStruct.pid = foundPid;
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127 EnumWindows(EnumWindowsProc, (LPARAM)&winStruct);
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128 if (winStruct.windowId == 0) {
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129 return;
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130 }
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131 SetForegroundWindow(winStruct.windowId);
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132 }
782
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133
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134 void ProcessHelp::cleanUp() {
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135 // Nothing to do on Windows.
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136 return;
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137 }
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138
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Andre Heinecke <andre.heinecke@intevation.de>
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139 #endif // WIN32
http://wald.intevation.org/projects/trustbridge/