]> git.sur5r.net Git - bacula/bacula/blob - bacula/src/win32/filed/plugins/api.c
Integrate James Harper's Exchange Win32 plugin patch.
[bacula/bacula] / bacula / src / win32 / filed / plugins / api.c
1 /*
2    Bacula® - The Network Backup Solution
3
4    Copyright (C) 2008-2008 Free Software Foundation Europe e.V.
5
6    The main author of Bacula is Kern Sibbald, with contributions from
7    many others, a complete list can be found in the file AUTHORS.
8    This program is Free Software; you can redistribute it and/or
9    modify it under the terms of version two of the GNU General Public
10    License as published by the Free Software Foundation, which is 
11    listed in the file LICENSE.
12
13    This program is distributed in the hope that it will be useful, but
14    WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16    General Public License for more details.
17
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21    02110-1301, USA.
22
23    Bacula® is a registered trademark of Kern Sibbald.
24    The licensor of Bacula is the Free Software Foundation Europe
25    (FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
26    Switzerland, email:ftf@fsfeurope.org.
27 */
28 /* 
29  *  Written by James Harper, October 2008
30  */
31
32 #include "exchange-fd.h"
33
34 HrESEBackupRestoreGetNodes_t HrESEBackupRestoreGetNodes;
35 HrESEBackupPrepare_t HrESEBackupPrepare;
36 HrESEBackupGetLogAndPatchFiles_t HrESEBackupGetLogAndPatchFiles;
37 HrESEBackupTruncateLogs_t HrESEBackupTruncateLogs;
38 HrESEBackupEnd_t HrESEBackupEnd;
39 HrESEBackupSetup_t HrESEBackupSetup;
40 HrESEBackupInstanceEnd_t HrESEBackupInstanceEnd;
41 HrESEBackupOpenFile_t HrESEBackupOpenFile;
42 HrESEBackupReadFile_t HrESEBackupReadFile;
43 HrESEBackupCloseFile_t HrESEBackupCloseFile;
44
45 HrESERestoreOpen_t HrESERestoreOpen;
46 HrESERestoreReopen_t HrESERestoreReopen;
47 HrESERestoreComplete_t HrESERestoreComplete;
48 HrESERestoreClose_t HrESERestoreClose;
49 HrESERestoreGetEnvironment_t HrESERestoreGetEnvironment;
50 HrESERestoreSaveEnvironment_t HrESERestoreSaveEnvironment;
51 HrESERestoreAddDatabase_t HrESERestoreAddDatabase;
52 HrESERestoreOpenFile_t HrESERestoreOpenFile;
53
54 bRC
55 loadExchangeApi()
56 {
57         HMODULE h;
58         LONG status;
59         HKEY key_handle;
60         WCHAR *buf;
61         DWORD buf_len;
62         DWORD type;
63
64         status = RegOpenKeyW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Control\\BackupRestore\\DLLPaths", &key_handle);
65         if (status != ERROR_SUCCESS)
66         {
67                 _JobMessageNull(M_ERROR, "Cannot get key for Exchange DLL path, result = %08x\n", status);
68                 return bRC_Error;
69         }
70         
71         type = REG_EXPAND_SZ;
72         status = RegQueryValueExW(key_handle, L"esebcli2", NULL, &type, NULL, &buf_len);
73         if (status != ERROR_SUCCESS)
74         {
75                 _JobMessageNull(M_ERROR, "Cannot get key for Exchange DLL path, result = %08x\n", status);
76                 return bRC_Error;
77         }
78         buf_len += 2;
79         buf = new WCHAR[buf_len];
80
81         type = REG_EXPAND_SZ;
82         status = RegQueryValueExW(key_handle, L"esebcli2", NULL, &type, (LPBYTE)buf, &buf_len);
83         if (status != ERROR_SUCCESS)
84         {
85                 _JobMessageNull(M_ERROR, "Cannot get key for Exchange DLL path, result = %08x\n", status);
86                 delete buf;
87                 return bRC_Error;
88         }
89
90 printf("Got value %S\n", buf);
91
92         // strictly speaking, a REG_EXPAND_SZ should be run through ExpandEnvironmentStrings
93
94         h = LoadLibraryW(buf);
95         delete buf;
96         if (!h) {
97                 return bRC_Error;
98         }
99         HrESEBackupRestoreGetNodes = (HrESEBackupRestoreGetNodes_t)GetProcAddress(h, "HrESEBackupRestoreGetNodes");
100         HrESEBackupPrepare = (HrESEBackupPrepare_t)GetProcAddress(h, "HrESEBackupPrepare");
101         HrESEBackupEnd = (HrESEBackupEnd_t)GetProcAddress(h, "HrESEBackupEnd");
102         HrESEBackupSetup = (HrESEBackupSetup_t)GetProcAddress(h, "HrESEBackupSetup");
103         HrESEBackupGetLogAndPatchFiles = (HrESEBackupGetLogAndPatchFiles_t)GetProcAddress(h, "HrESEBackupGetLogAndPatchFiles");
104         HrESEBackupTruncateLogs = (HrESEBackupTruncateLogs_t)GetProcAddress(h, "HrESEBackupTruncateLogs");
105         HrESEBackupInstanceEnd = (HrESEBackupInstanceEnd_t)GetProcAddress(h, "HrESEBackupInstanceEnd");
106         HrESEBackupOpenFile = (HrESEBackupOpenFile_t)GetProcAddress(h, "HrESEBackupOpenFile");
107         HrESEBackupReadFile = (HrESEBackupReadFile_t)GetProcAddress(h, "HrESEBackupReadFile");
108         HrESEBackupCloseFile = (HrESEBackupCloseFile_t)GetProcAddress(h, "HrESEBackupCloseFile");
109         HrESERestoreOpen = (HrESERestoreOpen_t)GetProcAddress(h, "HrESERestoreOpen");
110         HrESERestoreReopen = (HrESERestoreReopen_t)GetProcAddress(h, "HrESERestoreReopen");
111         HrESERestoreComplete = (HrESERestoreComplete_t)GetProcAddress(h, "HrESERestoreComplete");
112         HrESERestoreClose = (HrESERestoreClose_t)GetProcAddress(h, "HrESERestoreClose");
113         HrESERestoreSaveEnvironment = (HrESERestoreSaveEnvironment_t)GetProcAddress(h, "HrESERestoreSaveEnvironment");
114         HrESERestoreGetEnvironment = (HrESERestoreGetEnvironment_t)GetProcAddress(h, "HrESERestoreGetEnvironment");
115         HrESERestoreAddDatabase = (HrESERestoreAddDatabase_t)GetProcAddress(h, "HrESERestoreAddDatabase");
116         HrESERestoreOpenFile = (HrESERestoreOpenFile_t)GetProcAddress(h, "HrESERestoreOpenFile");
117         return bRC_OK;
118 }
119
120 char *
121 ESEErrorMessage(HRESULT result)
122 {
123         switch (result)
124         {
125         case 0:
126                 return "No error.";
127         case hrLogfileHasBadSignature:
128                 return "Log file has bad signature. Check that no stale files are left in the Exchange data/log directories.";
129         case hrCBDatabaseInUse:
130                 return "Database in use. Make sure database is dismounted.";
131         case hrRestoreAtFileLevel:
132                 return "File must be restored using Windows file I/O calls.";
133         case hrMissingFullBackup:
134                 return "Exchange reports that no previous full backup has been done.";
135         case hrBackupInProgress:
136                 return "Exchange backup already in progress.";
137         case hrLogfileNotContiguous:
138                 return "Existing log file is not contiguous. Check that no stale files are left in the Exchange data/log directories.";
139         default:
140                 return "Unknown error.";
141         }
142 }