[RAPPS] Bulk install!
[reactos.git] / reactos / base / applications / sc / depend.c
1 /*
2 * PROJECT: ReactOS Services
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: base/applications/sc/depend.c
5 * PURPOSE:
6 * COPYRIGHT: Copyright 2016 Eric Kohl
7 *
8 */
9
10 #include "sc.h"
11
12 BOOL EnumDepend(LPCTSTR ServiceName)
13 {
14 SC_HANDLE hManager = NULL;
15 SC_HANDLE hService = NULL;
16 BOOL bResult = TRUE;
17 DWORD BufferSize = 0;
18 DWORD EntriesRead = 0;
19 LPENUM_SERVICE_STATUS pBuffer = NULL;
20 DWORD i;
21
22 hManager = OpenSCManager(NULL,
23 NULL,
24 SC_MANAGER_CONNECT);
25 if (hManager == NULL)
26 {
27 _tprintf(_T("[SC] OpenSCManager FAILED %lu:\n\n"), GetLastError());
28 bResult = FALSE;
29 goto done;
30 }
31
32 hService = OpenService(hManager, ServiceName, SERVICE_ENUMERATE_DEPENDENTS);
33 if (hService == NULL)
34 {
35 _tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
36 bResult = FALSE;
37 goto done;
38 }
39
40 if (!EnumDependentServices(hService,
41 SERVICE_STATE_ALL,
42 NULL,
43 0,
44 &BufferSize,
45 &EntriesRead))
46 {
47 if (BufferSize == 0)
48 {
49 _tprintf(_T("[SC] EnumDependentServices FAILED %lu:\n\n"), GetLastError());
50 bResult = FALSE;
51 goto done;
52 }
53 }
54
55 pBuffer = HeapAlloc(GetProcessHeap(), 0, BufferSize);
56 if (pBuffer == NULL)
57 {
58 SetLastError(ERROR_OUTOFMEMORY);
59 _tprintf(_T("[SC] HeapAlloc FAILED %lu:\n\n"), GetLastError());
60 bResult = FALSE;
61 goto done;
62 }
63
64 if (!EnumDependentServices(hService,
65 SERVICE_STATE_ALL,
66 pBuffer,
67 BufferSize,
68 &BufferSize,
69 &EntriesRead))
70 {
71 _tprintf(_T("[SC] EnumDependentServices FAILED %lu:\n\n"), GetLastError());
72 bResult = FALSE;
73 goto done;
74 }
75
76 _tprintf(_T("Enum: entriesRead = %lu\n"), EntriesRead);
77
78 for (i = 0; i < EntriesRead; i++)
79 {
80 _tprintf(_T("\n"));
81 _tprintf(_T("SERVICE_NAME: %s\n"), pBuffer[i].lpServiceName);
82 _tprintf(_T("DISPLAY_NAME: %s\n"), pBuffer[i].lpDisplayName);
83 PrintServiceStatus(&pBuffer[i].ServiceStatus);
84 }
85
86 done:
87 if (bResult == FALSE)
88 ReportLastError();
89
90 if (pBuffer != NULL)
91 HeapFree(GetProcessHeap(), 0, pBuffer);
92
93 if (hService)
94 CloseServiceHandle(hService);
95
96 if (hManager)
97 CloseServiceHandle(hManager);
98
99 return bResult;
100 }