1 karl 1.23 //%2006////////////////////////////////////////////////////////////////////////
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2 mike 1.2 //
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3 karl 1.20 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
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6 karl 1.12 // IBM Corp.; EMC Corporation, The Open Group.
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7 karl 1.20 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
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9 karl 1.21 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.23 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 mike 1.2 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
15 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
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20 kumpf 1.4 //
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21 mike 1.2 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
30 //==============================================================================
31 //
32 // Author: Nag Boranna (nagaraja_boranna@hp.com)
33 //
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34 a.arora 1.19 // Modified By: Amit K Arora, IBM (amita@in.ibm.com)
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35 vijay.eli 1.22 // Vijay Eli, IBM (vijayeli@in.ibm.com), bug#3608.
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36 mike 1.2 //
37 //%/////////////////////////////////////////////////////////////////////////////
38
39
40 #include <cctype>
41 #include <fstream>
42 #include <Pegasus/Common/FileSystem.h>
43 #include <Pegasus/Common/HashTable.h>
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44 kumpf 1.3 #include <Pegasus/Common/Tracer.h>
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45 mike 1.2
46 #include "ConfigExceptions.h"
47 #include "ConfigFile.h"
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48 david 1.8 #if defined(PEGASUS_OS_OS400)
49 #include "OS400ConvertChar.h"
50 #endif
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51 mike 1.2
52
53 PEGASUS_USING_STD;
54
55 PEGASUS_NAMESPACE_BEGIN
56
57
58 ////////////////////////////////////////////////////////////////////////////////
59 //
60 // ConfigFile Class
61 //
62 ////////////////////////////////////////////////////////////////////////////////
63
64
65 ////////////////////////////////////////////////////////////////////////////////
66 // ConfigTable
67 ////////////////////////////////////////////////////////////////////////////////
68
69 typedef HashTable<String, String, EqualFunc<String>, HashFunc<String> > Table;
70
71 struct ConfigTable
72 mike 1.2 {
73 Table table;
74 };
75
76
77 /*
78 Config file header information
79 */
80 static const char* ConfigHeader [] = {
81 "########################################################################",
82 "## ##",
83 "## CIM Server configuration file ##",
84 "## ##",
85 "########################################################################",
86 " ",
87 "########################################################################",
88 "# #",
89 "# This is the configuration file for the CIMOM. The configuration #",
90 "# properties in this file are loaded in to CIMOM at startup. #",
91 "# CIMOM updates this file with the changes in the configurations. #",
92 "# #",
93 mike 1.2 "# It is recommended that user do not edit this file, instead use #",
94 "# CIMConfigCommand to make any changes to the CIMOM configurations. #",
95 "# #",
96 "########################################################################",
97 " "
98 };
99
100 static const int HEADER_SIZE = sizeof(ConfigHeader) / sizeof(ConfigHeader[0]);
101
102
103 /**
104 Constructor.
105 */
106 ConfigFile::ConfigFile (const String& fileName)
107 {
108 _configFile = fileName;
109
110 _configBackupFile = fileName + ".bak";
111
112 }
113
114 mike 1.2 /**
115 Destructor.
116 */
117 ConfigFile::~ConfigFile ()
118 {
119
120 }
121
122
123 /**
124 Get the name of the configuration file.
125 */
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126 vijay.eli 1.22 String ConfigFile::getFileName () const
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127 mike 1.2 {
128 return ( _configFile );
129 }
130
131
132 /**
133 Load the properties from the config file.
134 */
135 void ConfigFile::load (ConfigTable* confTable)
136 {
137 String line;
138
139 //
140 // Delete the backup configuration file
141 //
142 if (FileSystem::exists(_configBackupFile))
143 {
144 FileSystem::removeFile(_configBackupFile);
145 }
146
147 //
148 mike 1.2 // Open the config file
149 //
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150 david 1.8 #if defined(PEGASUS_OS_OS400)
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151 david 1.18 ifstream ifs(_configFile.getCString(), PEGASUS_STD(_CCSID_T(1208)));
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152 david 1.8 #else
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153 david 1.18 ifstream ifs(_configFile.getCString());
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154 david 1.8 #endif
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155 mike 1.2 if (!ifs)
156 {
157 return;
158 }
159
160 //
161 // Read each line of the file
162 //
163 for (Uint32 lineNumber = 1; GetLine(ifs, line); lineNumber++)
164 {
165 // Get the property name and value
166
167 //
168 // Skip leading whitespace
169 //
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170 kumpf 1.7 const Char16* p = line.getChar16Data();
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171 mike 1.2
172 while (*p && isspace(*p))
173 {
174 p++;
175 }
176
177 if (!*p)
178 {
179 continue;
180 }
181
182 //
183 // Skip comment lines
184 //
185 if (*p == '#')
186 {
187 continue;
188 }
189
190 //
191 // Get the property name
192 mike 1.2 //
193 String name = String::EMPTY;
194
195 if (!(isalpha(*p) || *p == '_'))
196 {
197 ifs.close();
198 throw ConfigFileSyntaxError(_configFile, lineNumber);
199 }
200
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201 kumpf 1.5 name.append(*p++);
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202 mike 1.2
203 while (isalnum(*p) || *p == '_')
204 {
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205 kumpf 1.5 name.append(*p++);
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206 mike 1.2 }
207
208 //
209 // Skip whitespace after property name
210 //
211 while (*p && isspace(*p))
212 {
213 p++;
214 }
215
216 //
217 // Expect an equal sign
218 //
219 if (*p != '=')
220 {
221 ifs.close();
222 throw ConfigFileSyntaxError(_configFile, lineNumber);
223 }
224
225 p++;
226
227 mike 1.2 //
228 // Skip whitespace after equal sign
229 //
230 while (*p && isspace(*p))
231 {
232 p++;
233 }
234
235 //
236 // Get the value
237 //
238 String value = String::EMPTY;
239
240 while (*p)
241 {
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242 kumpf 1.5 value.append(*p++);
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243 mike 1.2 }
244
245 //
246 // Store the property name and value in the table
247 //
248 if (!confTable->table.insert(name, value))
249 {
250 //
251 // Duplicate property, ignore the new property value.
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252 kumpf 1.3 // FUTURE: Log this message in a log file.
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253 mike 1.2 //
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254 kumpf 1.3 PEG_TRACE_STRING(TRC_CONFIG, Tracer::LEVEL3,
255 "Duplicate property '" + name + "', value '" + value + "' is ignored.");
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256 mike 1.2 }
257 }
258
259 ifs.close();
260 }
261
262
263 /**
264 Save the properties to the config file.
265 */
266 void ConfigFile::save (ConfigTable* confTable)
267 {
268 //
269 // Delete the backup configuration file
270 //
271 if (FileSystem::exists(_configBackupFile))
272 {
273 FileSystem::removeFile(_configBackupFile);
274 }
275
276 //
277 mike 1.2 // Rename the configuration file as a backup file
278 //
279 if (FileSystem::exists(_configFile))
280 {
281 if (!FileSystem::renameFile(_configFile, _configBackupFile))
282 {
283 throw CannotRenameFile(_configFile);
284 }
285 }
286
287 //
288 // Open the config file for writing
289 //
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290 david 1.8 #if defined(PEGASUS_OS_OS400)
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291 david 1.18 ofstream ofs(_configFile.getCString(), PEGASUS_STD(_CCSID_T(1208)));
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292 david 1.8 #else
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293 david 1.18 ofstream ofs(_configFile.getCString());
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294 david 1.8 #endif
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295 mike 1.2 ofs.clear();
296
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297 kumpf 1.17 #if !defined(PEGASUS_OS_TYPE_WINDOWS)
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298 mike 1.2 //
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299 kumpf 1.13 // Set permissions on the config file to 0644
300 //
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301 kumpf 1.15 if ( !FileSystem::changeFilePermissions(_configFile,
302 (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) ) // set 0644
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303 kumpf 1.13 {
304 throw CannotOpenFile(_configFile);
305 }
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306 kumpf 1.16 #endif
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307 kumpf 1.13
308 //
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309 mike 1.2 // Write config file header information
310 //
311 for (int index = 0; index < HEADER_SIZE; index++)
312 {
313 ofs << ConfigHeader[index] << endl;
314 }
315
316 ofs << endl;
317
318 //
319 // Save config properties and values to the file
320 //
321 for (Table::Iterator i = confTable->table.start(); i; i++)
322 {
323 ofs << i.key() << "=" << i.value() << endl;
324 }
325
326 ofs.close();
327 }
328
329
330 mike 1.2 /**
331 Replace the properties in the config file with the properties from
332 the given file.
333 */
334 void ConfigFile::replace (const String& fileName)
335 {
336 String line;
337
338 //
339 // Open the given config file for reading
340 //
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341 david 1.8 #if defined(PEGASUS_OS_OS400)
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342 david 1.18 ifstream ifs(fileName.getCString(), PEGASUS_STD(_CCSID_T(1208)));
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343 david 1.8 #else
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344 david 1.18 ifstream ifs(fileName.getCString());
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345 david 1.8 #endif
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346 mike 1.2
347 //
348 // Delete the backup configuration file
349 //
350 if (FileSystem::exists(_configBackupFile))
351 {
352 FileSystem::removeFile(_configBackupFile);
353 }
354
355 //
356 // Rename the existing config file as a backup file
357 //
358 if (FileSystem::exists(_configFile))
359 {
360 if (!FileSystem::renameFile(_configFile, _configBackupFile))
361 {
362 ifs.close();
363 throw CannotRenameFile(_configFile);
364 }
365 }
366
367 mike 1.2 //
368 // Open the existing config file for writing
369 //
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370 david 1.8 #if defined(PEGASUS_OS_OS400)
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371 david 1.18 ofstream ofs(_configFile.getCString(), PEGASUS_STD(_CCSID_T(1208)));
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372 david 1.8 #else
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373 david 1.18 ofstream ofs(_configFile.getCString());
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374 david 1.8 #endif
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375 mike 1.2 ofs.clear();
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376 kumpf 1.13
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377 kumpf 1.17 #if !defined(PEGASUS_OS_TYPE_WINDOWS)
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378 kumpf 1.13 //
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379 kumpf 1.15 // Set permissions on the config file to 0644
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380 kumpf 1.13 //
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381 kumpf 1.15 if ( !FileSystem::changeFilePermissions(_configFile,
382 (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) ) // set 0644
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383 kumpf 1.14 {
384 throw CannotOpenFile(_configFile);
385 }
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386 kumpf 1.16 #endif
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387 mike 1.2
388 //
389 // Read each line of the new file and write to the config file.
390 //
391 for (Uint32 lineNumber = 1; GetLine(ifs, line); lineNumber++)
392 {
393 ofs << line << endl;
394 }
395
396 //
397 // Close the file handles
398 //
399 ifs.close();
400 ofs.close();
401 }
402
403
404 PEGASUS_NAMESPACE_END
405
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ConfigFile.cpp
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