summaryrefslogtreecommitdiff
path: root/apt-pkg/deb/debindexfile.cc
blob: 32ccd75291fe212503d114e04958a3ef3d5f678a (plain)
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: debindexfile.cc,v 1.5.2.3 2004/01/04 19:11:00 mdz Exp $
/* ######################################################################

   Debian Specific sources.list types and the three sorts of Debian
   index files.
   
   ##################################################################### */
									/*}}}*/
// Include Files							/*{{{*/
#include <config.h>

#include <apt-pkg/debindexfile.h>
#include <apt-pkg/debsrcrecords.h>
#include <apt-pkg/deblistparser.h>
#include <apt-pkg/debrecords.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/error.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/pkgrecords.h>
#include <apt-pkg/srcrecords.h>

#include <stdio.h>
#include <iostream>
#include <string>
#include <sstream>

#include <sys/stat.h>
									/*}}}*/

// Sources Index							/*{{{*/
debSourcesIndex::debSourcesIndex(IndexTarget const &Target,bool const Trusted) :
     pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
{
}
std::string debSourcesIndex::SourceInfo(pkgSrcRecords::Parser const &Record,
				   pkgSrcRecords::File const &File) const
{
   // The result looks like: http://foo/debian/ stable/main src 1.1.1 (dsc)
   std::string Res = Target.Description;
   Res.erase(Target.Description.rfind(' '));

   Res += " ";
   Res += Record.Package();
   Res += " ";
   Res += Record.Version();
   if (File.Type.empty() == false)
      Res += " (" + File.Type + ")";
   return Res;
}
pkgSrcRecords::Parser *debSourcesIndex::CreateSrcParser() const
{
   std::string const SourcesURI = IndexFileName();
   if (FileExists(SourcesURI))
      return new debSrcRecordParser(SourcesURI, this);
   return NULL;
}
bool debSourcesIndex::OpenListFile(FileFd &, std::string const &)
{
   return true;
}
pkgCacheListParser * debSourcesIndex::CreateListParser(FileFd &)
{
   return NULL;
}
uint8_t debSourcesIndex::GetIndexFlags() const
{
   return 0;
}
									/*}}}*/
// Packages Index							/*{{{*/
debPackagesIndex::debPackagesIndex(IndexTarget const &Target, bool const Trusted) :
                  pkgDebianIndexTargetFile(Target, Trusted), d(NULL)
{
}
std::string debPackagesIndex::ArchiveInfo(pkgCache::VerIterator const &Ver) const
{
   std::string Res = Target.Description;
   Res.erase(Target.Description.rfind(' '));

   Res += " ";
   Res += Ver.ParentPkg().Name();
   Res += " ";
   std::string const Dist = Target.Option(IndexTarget::RELEASE);
   if (Dist.empty() == false && Dist[Dist.size() - 1] != '/')
      Res.append(Ver.Arch()).append(" ");
   Res += Ver.VerStr();
   return Res;
}
uint8_t debPackagesIndex::GetIndexFlags() const
{
   return 0;
}
									/*}}}*/
// Translation-* Index							/*{{{*/
debTranslationsIndex::debTranslationsIndex(IndexTarget const &Target) :
			pkgDebianIndexTargetFile(Target, true), d(NULL)
{}
bool debTranslationsIndex::HasPackages() const
{
   return Exists();
}
bool debTranslationsIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
{
   if (FileExists(FileName))
      return pkgDebianIndexTargetFile::OpenListFile(Pkg, FileName);
   return true;
}
uint8_t debTranslationsIndex::GetIndexFlags() const
{
   return pkgCache::Flag::NotSource | pkgCache::Flag::NoPackages;
}
std::string debTranslationsIndex::GetArchitecture() const
{
   return std::string();
}
pkgCacheListParser * debTranslationsIndex::CreateListParser(FileFd &Pkg)
{
   if (Pkg.IsOpen() == false)
      return NULL;
   _error->PushToStack();
   pkgCacheListParser * const Parser = new debTranslationsParser(&Pkg);
   bool const newError = _error->PendingError();
   _error->MergeWithStack();
   return newError ? NULL : Parser;
}
									/*}}}*/
// dpkg/status Index							/*{{{*/
debStatusIndex::debStatusIndex(std::string const &File) : pkgDebianIndexRealFile(File, true), d(NULL)
{
}
std::string debStatusIndex::GetArchitecture() const
{
   return std::string();
}
std::string debStatusIndex::GetComponent() const
{
   return "now";
}
uint8_t debStatusIndex::GetIndexFlags() const
{
   return pkgCache::Flag::NotSource;
}

pkgCacheListParser * debStatusIndex::CreateListParser(FileFd &Pkg)
{
   if (Pkg.IsOpen() == false)
      return NULL;
   _error->PushToStack();
   pkgCacheListParser * const Parser = new debStatusListParser(&Pkg);
   bool const newError = _error->PendingError();
   _error->MergeWithStack();
   return newError ? NULL : Parser;
}
									/*}}}*/
// DebPkgFile Index - a single .deb file as an index			/*{{{*/
debDebPkgFileIndex::debDebPkgFileIndex(std::string const &DebFile)
   : pkgDebianIndexRealFile(DebFile, true), d(NULL), DebFile(DebFile)
{
}
bool debDebPkgFileIndex::GetContent(std::ostream &content, std::string const &debfile)
{
   struct stat Buf;
   if (stat(debfile.c_str(), &Buf) != 0)
      return false;

   // get the control data out of the deb file via dpkg-deb -I
   std::string dpkg = _config->Find("Dir::Bin::dpkg","dpkg-deb");
   std::vector<const char *> Args;
   Args.push_back(dpkg.c_str());
   Args.push_back("-I");
   Args.push_back(debfile.c_str());
   Args.push_back("control");
   Args.push_back(NULL);
   FileFd PipeFd;
   pid_t Child;
   if(Popen((const char**)&Args[0], PipeFd, Child, FileFd::ReadOnly) == false)
      return _error->Error("Popen failed");

   char buffer[1024];
   do {
      unsigned long long actual = 0;
      if (PipeFd.Read(buffer, sizeof(buffer)-1, &actual) == false)
	 return _error->Errno("read", "Failed to read dpkg pipe");
      if (actual == 0)
	 break;
      buffer[actual] = '\0';
      content << buffer;
   } while(true);
   ExecWait(Child, "Popen");

   content << "Filename: " << debfile << "\n";
   content << "Size: " << Buf.st_size << "\n";

   return true;
}
bool debDebPkgFileIndex::OpenListFile(FileFd &Pkg, std::string const &FileName)
{
   // write the control data to a tempfile
   if (GetTempFile("deb-file-" + flNotDir(FileName), true, &Pkg) == NULL)
      return false;
   std::ostringstream content;
   if (GetContent(content, FileName) == false)
      return false;
   std::string const contentstr = content.str();
   if (contentstr.empty())
      return true;
   if (Pkg.Write(contentstr.c_str(), contentstr.length()) == false || Pkg.Seek(0) == false)
      return false;
   return true;
}
pkgCacheListParser * debDebPkgFileIndex::CreateListParser(FileFd &Pkg)
{
   if (Pkg.IsOpen() == false)
      return NULL;
   _error->PushToStack();
   pkgCacheListParser * const Parser = new debDebFileParser(&Pkg, DebFile);
   bool const newError = _error->PendingError();
   _error->MergeWithStack();
   return newError ? NULL : Parser;
}
uint8_t debDebPkgFileIndex::GetIndexFlags() const
{
   return pkgCache::Flag::LocalSource;
}
std::string debDebPkgFileIndex::GetArchitecture() const
{
   return std::string();
}
std::string debDebPkgFileIndex::GetComponent() const
{
   return "local-deb";
}
pkgCache::PkgFileIterator debDebPkgFileIndex::FindInCache(pkgCache &Cache) const
{
   std::string const FileName = IndexFileName();
   pkgCache::PkgFileIterator File = Cache.FileBegin();
   for (; File.end() == false; ++File)
   {
       if (File.FileName() == NULL || FileName != File.FileName())
	 continue;
      // we can't do size checks here as file size != content size
      return File;
   }

   return File;
}

									/*}}}*/
// DscFile Index - a single .dsc file as an index			/*{{{*/
debDscFileIndex::debDscFileIndex(std::string const &DscFile)
   : pkgDebianIndexRealFile(DscFile, true), d(NULL)
{
}
pkgSrcRecords::Parser *debDscFileIndex::CreateSrcParser() const
{
   if (Exists() == false)
      return NULL;
   return new debDscRecordParser(File, this);
}
									/*}}}*/

// Index File types for Debian						/*{{{*/
class APT_HIDDEN debIFTypeSrc : public pkgIndexFile::Type
{
   public:
   debIFTypeSrc() {Label = "Debian Source Index";};
};
class APT_HIDDEN debIFTypePkg : public pkgIndexFile::Type
{
   public:
   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
   {
      return new debRecordParser(File.FileName(),*File.Cache());
   };
   debIFTypePkg() {Label = "Debian Package Index";};
};
class APT_HIDDEN debIFTypeTrans : public debIFTypePkg
{
   public:
   debIFTypeTrans() {Label = "Debian Translation Index";};
};
class APT_HIDDEN debIFTypeStatus : public pkgIndexFile::Type
{
   public:
   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
   {
      return new debRecordParser(File.FileName(),*File.Cache());
   };
   debIFTypeStatus() {Label = "Debian dpkg status file";};
};
class APT_HIDDEN debIFTypeDebPkgFile : public pkgIndexFile::Type
{
   public:
   virtual pkgRecords::Parser *CreatePkgParser(pkgCache::PkgFileIterator const &File) const APT_OVERRIDE
   {
      return new debDebFileRecordParser(File.FileName());
   };
   debIFTypeDebPkgFile() {Label = "Debian deb file";};
};
class APT_HIDDEN debIFTypeDscFile : public pkgIndexFile::Type
{
   public:
   virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &DscFile) const APT_OVERRIDE
   {
      return new debDscRecordParser(DscFile, NULL);
   };
   debIFTypeDscFile() {Label = "Debian dsc file";};
};
class APT_HIDDEN debIFTypeDebianSourceDir : public pkgIndexFile::Type
{
   public:
   virtual pkgSrcRecords::Parser *CreateSrcPkgParser(std::string const &SourceDir) const APT_OVERRIDE
   {
      return new debDscRecordParser(SourceDir + std::string("/debian/control"), NULL);
   };
   debIFTypeDebianSourceDir() {Label = "Debian control file";};
};

APT_HIDDEN debIFTypeSrc _apt_Src;
APT_HIDDEN debIFTypePkg _apt_Pkg;
APT_HIDDEN debIFTypeTrans _apt_Trans;
APT_HIDDEN debIFTypeStatus _apt_Status;
APT_HIDDEN debIFTypeDebPkgFile _apt_DebPkgFile;
// file based pseudo indexes
APT_HIDDEN debIFTypeDscFile _apt_DscFile;
APT_HIDDEN debIFTypeDebianSourceDir _apt_DebianSourceDir;

const pkgIndexFile::Type *debSourcesIndex::GetType() const
{
   return &_apt_Src;
}
const pkgIndexFile::Type *debPackagesIndex::GetType() const
{
   return &_apt_Pkg;
}
const pkgIndexFile::Type *debTranslationsIndex::GetType() const
{
   return &_apt_Trans;
}
const pkgIndexFile::Type *debStatusIndex::GetType() const
{
   return &_apt_Status;
}
const pkgIndexFile::Type *debDebPkgFileIndex::GetType() const
{
   return &_apt_DebPkgFile;
}
const pkgIndexFile::Type *debDscFileIndex::GetType() const
{
   return &_apt_DscFile;
}
const pkgIndexFile::Type *debDebianSourceDirIndex::GetType() const
{
   return &_apt_DebianSourceDir;
}
									/*}}}*/

debStatusIndex::~debStatusIndex() {}
debPackagesIndex::~debPackagesIndex() {}
debTranslationsIndex::~debTranslationsIndex() {}
debSourcesIndex::~debSourcesIndex() {}

debDebPkgFileIndex::~debDebPkgFileIndex() {}
debDscFileIndex::~debDscFileIndex() {}