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[apt.git] / apt-pkg / sourcelist.cc
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1// -*- mode: cpp; mode: fold -*-
2// Description /*{{{*/
34b53501 3// $Id: sourcelist.cc,v 1.3 2002/08/15 20:51:37 niemeyer Exp $
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4/* ######################################################################
5
6 List of Sources
7
8 ##################################################################### */
9 /*}}}*/
10// Include Files /*{{{*/
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11#include <apt-pkg/sourcelist.h>
12#include <apt-pkg/error.h>
13#include <apt-pkg/fileutl.h>
cdcc6d34 14#include <apt-pkg/strutl.h>
7db98ffc 15#include <apt-pkg/configuration.h>
6c139d6e 16
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17#include <apti18n.h>
18
90f057fd 19#include <fstream>
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20
21// CNC:2003-03-03 - This is needed for ReadDir stuff.
22#include <algorithm>
23#include <stdio.h>
24#include <dirent.h>
25#include <sys/stat.h>
26#include <unistd.h>
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27 /*}}}*/
28
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29using namespace std;
30
31// Global list of Items supported
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32static pkgSourceList::Type *ItmList[10];
33pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
34unsigned long pkgSourceList::Type::GlobalListLen = 0;
35
36// Type::Type - Constructor /*{{{*/
37// ---------------------------------------------------------------------
38/* Link this to the global list of items*/
39pkgSourceList::Type::Type()
40{
41 ItmList[GlobalListLen] = this;
42 GlobalListLen++;
43}
44 /*}}}*/
45// Type::GetType - Get a specific meta for a given type /*{{{*/
46// ---------------------------------------------------------------------
47/* */
48pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)
49{
50 for (unsigned I = 0; I != GlobalListLen; I++)
51 if (strcmp(GlobalList[I]->Name,Type) == 0)
52 return GlobalList[I];
53 return 0;
54}
55 /*}}}*/
56// Type::FixupURI - Normalize the URI and check it.. /*{{{*/
57// ---------------------------------------------------------------------
58/* */
59bool pkgSourceList::Type::FixupURI(string &URI) const
60{
61 if (URI.empty() == true)
62 return false;
63
64 if (URI.find(':') == string::npos)
65 return false;
66
67 URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture"));
68
a7c835af 69 // Make sure that the URI is / postfixed
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70 if (URI[URI.size() - 1] != '/')
71 URI += '/';
72
73 return true;
74}
75 /*}}}*/
76// Type::ParseLine - Parse a single line /*{{{*/
77// ---------------------------------------------------------------------
78/* This is a generic one that is the 'usual' format for sources.list
79 Weird types may override this. */
7db98ffc 80bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List,
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81 const char *Buffer,
82 unsigned long CurLine,
83 string File) const
84{
85 string URI;
86 string Dist;
87 string Section;
88
89 if (ParseQuoteWord(Buffer,URI) == false)
90 return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str());
91 if (ParseQuoteWord(Buffer,Dist) == false)
92 return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str());
93
94 if (FixupURI(URI) == false)
95 return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str());
96
97 // Check for an absolute dists specification.
98 if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')
99 {
100 if (ParseQuoteWord(Buffer,Section) == true)
db0db9fe 101 return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str());
b2e465d6 102 Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
7db98ffc 103 return CreateItem(List,URI,Dist,Section);
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104 }
105
106 // Grab the rest of the dists
107 if (ParseQuoteWord(Buffer,Section) == false)
108 return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str());
109
110 do
111 {
7db98ffc 112 if (CreateItem(List,URI,Dist,Section) == false)
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113 return false;
114 }
115 while (ParseQuoteWord(Buffer,Section) == true);
116
117 return true;
118}
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119 /*}}}*/
120
121// SourceList::pkgSourceList - Constructors /*{{{*/
122// ---------------------------------------------------------------------
123/* */
124pkgSourceList::pkgSourceList()
125{
126}
127
128pkgSourceList::pkgSourceList(string File)
129{
130 Read(File);
131}
132 /*}}}*/
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133// SourceList::~pkgSourceList - Destructor /*{{{*/
134// ---------------------------------------------------------------------
135/* */
136pkgSourceList::~pkgSourceList()
137{
138 for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
139 delete *I;
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140}
141 /*}}}*/
a7c835af 142 /*}}}*/
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143// SourceList::ReadMainList - Read the main source list from etc /*{{{*/
144// ---------------------------------------------------------------------
145/* */
146bool pkgSourceList::ReadMainList()
147{
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148 // CNC:2003-03-03 - Multiple sources list support.
149 bool Res = true;
150#if 0
151 Res = ReadVendors();
152 if (Res == false)
153 return false;
154#endif
155
156 Reset();
157 // CNC:2003-11-28 - Entries in sources.list have priority over
158 // entries in sources.list.d.
159 string Main = _config->FindFile("Dir::Etc::sourcelist");
160 if (FileExists(Main) == true)
161 Res &= ReadAppend(Main);
162
163 string Parts = _config->FindDir("Dir::Etc::sourceparts");
164 if (FileExists(Parts) == true)
165 Res &= ReadSourceDir(Parts);
166
167 return Res;
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168}
169 /*}}}*/
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170// CNC:2003-03-03 - Needed to preserve backwards compatibility.
171// SourceList::Reset - Clear the sourcelist contents /*{{{*/
172// ---------------------------------------------------------------------
173/* */
174void pkgSourceList::Reset()
175{
176 for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
177 delete *I;
178 SrcList.erase(SrcList.begin(),SrcList.end());
179}
180 /*}}}*/
181// CNC:2003-03-03 - Function moved to ReadAppend() and Reset().
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182// SourceList::Read - Parse the sourcelist file /*{{{*/
183// ---------------------------------------------------------------------
184/* */
185bool pkgSourceList::Read(string File)
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186{
187 Reset();
188 return ReadAppend(File);
189}
190 /*}}}*/
191// SourceList::ReadAppend - Parse a sourcelist file /*{{{*/
192// ---------------------------------------------------------------------
193/* */
194bool pkgSourceList::ReadAppend(string File)
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195{
196 // Open the stream for reading
4d6f8bdf 197 ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
6c139d6e 198 if (!F != 0)
b2e465d6 199 return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
6c139d6e 200
34b53501 201#if 0 // Now Reset() does this.
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202 for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
203 delete *I;
a7c835af 204 SrcList.erase(SrcList.begin(),SrcList.end());
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205#endif
206 // CNC:2003-12-10 - 300 is too short.
207 char Buffer[1024];
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208
209 int CurLine = 0;
210 while (F.eof() == false)
211 {
212 F.getline(Buffer,sizeof(Buffer));
213 CurLine++;
214 _strtabexpand(Buffer,sizeof(Buffer));
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215 if (F.fail() && !F.eof())
216 return _error->Error(_("Line %u too long in source list %s."),
217 CurLine,File.c_str());
218
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219
220 char *I;
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221 // CNC:2003-02-20 - Do not break if '#' is inside [].
222 for (I = Buffer; *I != 0 && *I != '#'; I++)
223 if (*I == '[')
224 for (I++; *I != 0 && *I != ']'; I++);
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225 *I = 0;
226
227 const char *C = _strstrip(Buffer);
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228
229 // Comment or blank
b2e465d6 230 if (C[0] == '#' || C[0] == 0)
6c139d6e 231 continue;
b2e465d6 232
6c139d6e 233 // Grok it
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234 string LineType;
235 if (ParseQuoteWord(C,LineType) == false)
236 return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
6c139d6e 237
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238 Type *Parse = Type::GetType(LineType.c_str());
239 if (Parse == 0)
39442e44 240 return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
6c139d6e 241
7db98ffc 242 // Vendor name specified
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243 if (C[0] == '[')
244 {
245 string VendorID;
246
247 if (ParseQuoteWord(C,VendorID) == false)
248 return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
249
250 if (VendorID.length() < 2 || VendorID.end()[-1] != ']')
251 return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
252 VendorID = string(VendorID,1,VendorID.size()-2);
253
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254// for (vector<const Vendor *>::const_iterator iter = VendorList.begin();
255// iter != VendorList.end(); iter++)
256// {
257// if ((*iter)->GetVendorID() == VendorID)
258// {
259// if (_config->FindB("Debug::sourceList", false))
260// std::cerr << "Comparing VendorID \"" << VendorID << "\" with \"" << (*iter)->GetVendorID() << '"' << std::endl;
261// Verifier = *iter;
262// break;
263// }
264// }
a7c835af 265
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266// if (Verifier == 0)
267// return _error->Error(_("Unknown vendor ID '%s' in line %u of source list %s"),
268// VendorID.c_str(),CurLine,File.c_str());
a7c835af 269 }
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270
271 if (Parse->ParseLine(SrcList,C,CurLine,File) == false)
b2e465d6 272 return false;
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273 }
274 return true;
275}
276 /*}}}*/
b2e465d6 277// SourceList::FindIndex - Get the index associated with a file /*{{{*/
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278// ---------------------------------------------------------------------
279/* */
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280bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
281 pkgIndexFile *&Found) const
6c139d6e 282{
a7c835af 283 for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
6c139d6e 284 {
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285 vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
286 for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
287 J != Indexes->end(); J++)
b2e465d6 288 {
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289 if ((*J)->FindInCache(*File.Cache()) == File)
290 {
291 Found = (*J);
292 return true;
293 }
b2e465d6 294 }
be8922fd 295 }
7db98ffc 296
b2e465d6 297 return false;
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298}
299 /*}}}*/
b2e465d6 300// SourceList::GetIndexes - Load the index files into the downloader /*{{{*/
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301// ---------------------------------------------------------------------
302/* */
7db98ffc 303bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const
6c139d6e 304{
a7c835af 305 for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
7db98ffc 306 if ((*I)->GetIndexes(Owner,GetAll) == false)
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307 return false;
308 return true;
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309}
310 /*}}}*/
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311// CNC:2003-03-03 - By Anton V. Denisov <avd@altlinux.org>.
312// SourceList::ReadSourceDir - Read a directory with sources files
313// Based on ReadConfigDir() /*{{{*/
314// ---------------------------------------------------------------------
315/* */
316bool pkgSourceList::ReadSourceDir(string Dir)
317{
318 DIR *D = opendir(Dir.c_str());
319 if (D == 0)
320 return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str());
321
322 vector<string> List;
323
324 for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D))
325 {
326 if (Ent->d_name[0] == '.')
327 continue;
328
329 // CNC:2003-12-02 Only accept .list files as valid sourceparts
330 if (flExtension(Ent->d_name) != "list")
331 continue;
332
333 // Skip bad file names ala run-parts
334 const char *C = Ent->d_name;
335 for (; *C != 0; C++)
336 if (isalpha(*C) == 0 && isdigit(*C) == 0
337 && *C != '_' && *C != '-' && *C != '.')
338 break;
339 if (*C != 0)
340 continue;
341
342 // Make sure it is a file and not something else
343 string File = flCombine(Dir,Ent->d_name);
344 struct stat St;
345 if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0)
346 continue;
347
348 List.push_back(File);
349 }
350 closedir(D);
351
352 sort(List.begin(),List.end());
353
354 // Read the files
355 for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++)
356 if (ReadAppend(*I) == false)
357 return false;
358 return true;
359
360}
361 /*}}}*/
362