1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
// -----------------------------------------------------------------------------
// This file is part of Broken Sword 2.5
// Copyright (c) Malte Thiesen, Daniel Queteschiner and Michael Elsd�rfer
//
// Broken Sword 2.5 is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Broken Sword 2.5 is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Broken Sword 2.5; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
// -----------------------------------------------------------------------------
// -----------------------------------------------------------------------------
// Includes
// -----------------------------------------------------------------------------
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <vector>
#include <string>
#include <sstream>
#include <fstream>
using namespace std;
#include "sword25/kernel/md5.h"
#include "sword25/kernel/filesystemutil.h"
#include "sword25/kernel/debug/debugtools.h"
// -----------------------------------------------------------------------------
// Konstanten und Hilfsfunktionen
// -----------------------------------------------------------------------------
namespace
{
const char * VERSION_ID_ERROR = "???";
const unsigned int READBUFFER_SIZE = 1024 * 100;
const char * SUBVERSION_ENTRIES_FILENAME = ".svn\\entries";
// -------------------------------------------------------------------------
unsigned int ParseUnsignedInt(const string & Str, bool & Success)
{
istringstream iss(Str);
unsigned int Result = 0;
iss >> Result;
Success = !iss.fail();
return Result;
}
}
// -----------------------------------------------------------------------------
const char * BS_Debugtools::GetVersionID()
{
// Falls die Versions-ID noch nicht bekannt ist, muss sie bestimmt werden
static string VersionIDString;
if (VersionIDString.size() == 0)
{
// Dateinamen der EXE-Datei bestimmen
char FileName[MAX_PATH + 1];
if (GetModuleFileName(0, FileName, sizeof(FileName)) == 0) return VERSION_ID_ERROR;
// Datei �ffnen
HANDLE FileHandle = CreateFile(FileName, GENERIC_READ, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0);
if (INVALID_HANDLE_VALUE == FileHandle) return VERSION_ID_ERROR;
// Datei st�ckchenweise Einlesen und MD5-Hash bilden
BS_MD5 md5;
std::vector<unsigned char> ReadBuffer(READBUFFER_SIZE);
DWORD BytesRead = 0;
do
{
// MD5-Hash f�r das eingelesene Dateist�ck berechnen.
md5.Update(&ReadBuffer[0], BytesRead);
if (ReadFile(FileHandle, &ReadBuffer[0], READBUFFER_SIZE, &BytesRead, 0) == FALSE)
{
CloseHandle(FileHandle);
return VERSION_ID_ERROR;
}
} while (BytesRead > 0);
// Datei schlie�en
CloseHandle(FileHandle);
// Falls sich das aktuelle Verzeichnis in einem Subversion-Repository befindet, wird auch die Subversion-Revision mit in die ID gehasht.
// Dieses stellt im Beta-Test sicher, dass jede �nderung einer Datei, und nicht nur der EXE, zu einer neuen Versions-ID f�hrt.
unsigned int SubversionRevision = GetSubversionRevision();
if (SubversionRevision != 0) md5.Update(reinterpret_cast<unsigned char *>(&SubversionRevision), sizeof(unsigned int));
// MD5 abschlie�en
unsigned char Digest[16];
md5.GetDigest(Digest);
// VersionsID-String erstellen
std::ostringstream VersionIDBuf;
VersionIDBuf << std::hex;
for (unsigned int i = 0; i < sizeof(Digest); i++)
{
VersionIDBuf << (unsigned int) Digest[i];
}
VersionIDString = VersionIDBuf.str();
}
return VersionIDString.c_str();
}
// -----------------------------------------------------------------------------
unsigned int BS_Debugtools::GetSubversionRevision()
{
// Existiert eine entries Datei?
if (BS_FileSystemUtil::GetInstance().FileExists(SUBVERSION_ENTRIES_FILENAME))
{
bool Success;
char Buffer[512];
// entries Datei �ffnen.
ifstream File(SUBVERSION_ENTRIES_FILENAME);
if (File.fail()) return 0;
// Das Format auslesen und feststellen, ob wir es unterst�tzen.
File.getline(Buffer, sizeof(Buffer), 0x0A);
unsigned int FormatVersion = ParseUnsignedInt(Buffer, Success);
if (File.fail() || !Success || FormatVersion < 7) return 0;
// Den Namen des ersten Eintrages auslesen. Dieses muss ein leerer String sein und somit das aktuelle Verzeichnis benennen.
File.getline(Buffer, sizeof(Buffer), 0x0A);
if (File.fail() || strlen(Buffer) != 0) return 0;
// Den Typ des Eintrages auslesen. Dieser muss "dir" sein.
File.getline(Buffer, sizeof(Buffer), 0x0A);
if (File.fail() || strcmp(Buffer, "dir") != 0) return 0;
// Die Revision des Eintrages auslesen.
File.getline(Buffer, sizeof(Buffer), 0x0A);
unsigned int Revision = ParseUnsignedInt(Buffer, Success);
if (File.fail() || !Success) return 0;
return Revision;
}
return 0;
}
|
