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1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
3 | // $Id: sourcelist.cc,v 1.3 2002/08/15 20:51:37 niemeyer Exp $ | |
4 | /* ###################################################################### | |
5 | ||
6 | List of Sources | |
7 | ||
8 | ##################################################################### */ | |
9 | /*}}}*/ | |
10 | // Include Files /*{{{*/ | |
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "apt-pkg/sourcelist.h" | |
13 | #endif | |
14 | ||
15 | #include <apt-pkg/sourcelist.h> | |
16 | #include <apt-pkg/error.h> | |
17 | #include <apt-pkg/fileutl.h> | |
18 | #include <apt-pkg/strutl.h> | |
19 | #include <apt-pkg/configuration.h> | |
20 | ||
21 | #include <apti18n.h> | |
22 | ||
23 | #include <fstream> | |
24 | ||
25 | // CNC:2003-03-03 - This is needed for ReadDir stuff. | |
26 | #include <algorithm> | |
27 | #include <stdio.h> | |
28 | #include <dirent.h> | |
29 | #include <sys/stat.h> | |
30 | #include <unistd.h> | |
31 | /*}}}*/ | |
32 | ||
33 | using namespace std; | |
34 | ||
35 | // Global list of Items supported | |
36 | static pkgSourceList::Type *ItmList[10]; | |
37 | pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList; | |
38 | unsigned long pkgSourceList::Type::GlobalListLen = 0; | |
39 | ||
40 | // Type::Type - Constructor /*{{{*/ | |
41 | // --------------------------------------------------------------------- | |
42 | /* Link this to the global list of items*/ | |
43 | pkgSourceList::Type::Type() | |
44 | { | |
45 | ItmList[GlobalListLen] = this; | |
46 | GlobalListLen++; | |
47 | } | |
48 | /*}}}*/ | |
49 | // Type::GetType - Get a specific meta for a given type /*{{{*/ | |
50 | // --------------------------------------------------------------------- | |
51 | /* */ | |
52 | pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type) | |
53 | { | |
54 | for (unsigned I = 0; I != GlobalListLen; I++) | |
55 | if (strcmp(GlobalList[I]->Name,Type) == 0) | |
56 | return GlobalList[I]; | |
57 | return 0; | |
58 | } | |
59 | /*}}}*/ | |
60 | // Type::FixupURI - Normalize the URI and check it.. /*{{{*/ | |
61 | // --------------------------------------------------------------------- | |
62 | /* */ | |
63 | bool pkgSourceList::Type::FixupURI(string &URI) const | |
64 | { | |
65 | if (URI.empty() == true) | |
66 | return false; | |
67 | ||
68 | if (URI.find(':') == string::npos) | |
69 | return false; | |
70 | ||
71 | URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture")); | |
72 | ||
73 | // Make sure that the URI is / postfixed | |
74 | if (URI[URI.size() - 1] != '/') | |
75 | URI += '/'; | |
76 | ||
77 | return true; | |
78 | } | |
79 | /*}}}*/ | |
80 | // Type::ParseLine - Parse a single line /*{{{*/ | |
81 | // --------------------------------------------------------------------- | |
82 | /* This is a generic one that is the 'usual' format for sources.list | |
83 | Weird types may override this. */ | |
84 | bool pkgSourceList::Type::ParseLine(vector<metaIndex *> &List, | |
85 | const char *Buffer, | |
86 | unsigned long CurLine, | |
87 | string File) const | |
88 | { | |
89 | string URI; | |
90 | string Dist; | |
91 | string Section; | |
92 | ||
93 | if (ParseQuoteWord(Buffer,URI) == false) | |
94 | return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str()); | |
95 | if (ParseQuoteWord(Buffer,Dist) == false) | |
96 | return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str()); | |
97 | ||
98 | if (FixupURI(URI) == false) | |
99 | return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str()); | |
100 | ||
101 | // Check for an absolute dists specification. | |
102 | if (Dist.empty() == false && Dist[Dist.size() - 1] == '/') | |
103 | { | |
104 | if (ParseQuoteWord(Buffer,Section) == true) | |
105 | return _error->Error(_("Malformed line %lu in source list %s (absolute dist)"),CurLine,File.c_str()); | |
106 | Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture")); | |
107 | return CreateItem(List,URI,Dist,Section); | |
108 | } | |
109 | ||
110 | // Grab the rest of the dists | |
111 | if (ParseQuoteWord(Buffer,Section) == false) | |
112 | return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str()); | |
113 | ||
114 | do | |
115 | { | |
116 | if (CreateItem(List,URI,Dist,Section) == false) | |
117 | return false; | |
118 | } | |
119 | while (ParseQuoteWord(Buffer,Section) == true); | |
120 | ||
121 | return true; | |
122 | } | |
123 | /*}}}*/ | |
124 | ||
125 | // SourceList::pkgSourceList - Constructors /*{{{*/ | |
126 | // --------------------------------------------------------------------- | |
127 | /* */ | |
128 | pkgSourceList::pkgSourceList() | |
129 | { | |
130 | } | |
131 | ||
132 | pkgSourceList::pkgSourceList(string File) | |
133 | { | |
134 | Read(File); | |
135 | } | |
136 | /*}}}*/ | |
137 | // SourceList::~pkgSourceList - Destructor /*{{{*/ | |
138 | // --------------------------------------------------------------------- | |
139 | /* */ | |
140 | pkgSourceList::~pkgSourceList() | |
141 | { | |
142 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) | |
143 | delete *I; | |
144 | } | |
145 | /*}}}*/ | |
146 | /*}}}*/ | |
147 | // SourceList::ReadMainList - Read the main source list from etc /*{{{*/ | |
148 | // --------------------------------------------------------------------- | |
149 | /* */ | |
150 | bool pkgSourceList::ReadMainList() | |
151 | { | |
152 | // CNC:2003-03-03 - Multiple sources list support. | |
153 | bool Res = true; | |
154 | #if 0 | |
155 | Res = ReadVendors(); | |
156 | if (Res == false) | |
157 | return false; | |
158 | #endif | |
159 | ||
160 | Reset(); | |
161 | // CNC:2003-11-28 - Entries in sources.list have priority over | |
162 | // entries in sources.list.d. | |
163 | string Main = _config->FindFile("Dir::Etc::sourcelist"); | |
164 | if (FileExists(Main) == true) | |
165 | Res &= ReadAppend(Main); | |
166 | ||
167 | string Parts = _config->FindDir("Dir::Etc::sourceparts"); | |
168 | if (FileExists(Parts) == true) | |
169 | Res &= ReadSourceDir(Parts); | |
170 | ||
171 | return Res; | |
172 | } | |
173 | /*}}}*/ | |
174 | // CNC:2003-03-03 - Needed to preserve backwards compatibility. | |
175 | // SourceList::Reset - Clear the sourcelist contents /*{{{*/ | |
176 | // --------------------------------------------------------------------- | |
177 | /* */ | |
178 | void pkgSourceList::Reset() | |
179 | { | |
180 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) | |
181 | delete *I; | |
182 | SrcList.erase(SrcList.begin(),SrcList.end()); | |
183 | } | |
184 | /*}}}*/ | |
185 | // CNC:2003-03-03 - Function moved to ReadAppend() and Reset(). | |
186 | // SourceList::Read - Parse the sourcelist file /*{{{*/ | |
187 | // --------------------------------------------------------------------- | |
188 | /* */ | |
189 | bool pkgSourceList::Read(string File) | |
190 | { | |
191 | Reset(); | |
192 | return ReadAppend(File); | |
193 | } | |
194 | /*}}}*/ | |
195 | // SourceList::ReadAppend - Parse a sourcelist file /*{{{*/ | |
196 | // --------------------------------------------------------------------- | |
197 | /* */ | |
198 | bool pkgSourceList::ReadAppend(string File) | |
199 | { | |
200 | // Open the stream for reading | |
201 | ifstream F(File.c_str(),ios::in /*| ios::nocreate*/); | |
202 | if (!F != 0) | |
203 | return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str()); | |
204 | ||
205 | #if 0 // Now Reset() does this. | |
206 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) | |
207 | delete *I; | |
208 | SrcList.erase(SrcList.begin(),SrcList.end()); | |
209 | #endif | |
210 | // CNC:2003-12-10 - 300 is too short. | |
211 | char Buffer[1024]; | |
212 | ||
213 | int CurLine = 0; | |
214 | while (F.eof() == false) | |
215 | { | |
216 | F.getline(Buffer,sizeof(Buffer)); | |
217 | CurLine++; | |
218 | _strtabexpand(Buffer,sizeof(Buffer)); | |
219 | if (F.fail() && !F.eof()) | |
220 | return _error->Error(_("Line %u too long in source list %s."), | |
221 | CurLine,File.c_str()); | |
222 | ||
223 | ||
224 | char *I; | |
225 | // CNC:2003-02-20 - Do not break if '#' is inside []. | |
226 | for (I = Buffer; *I != 0 && *I != '#'; I++) | |
227 | if (*I == '[') | |
228 | for (I++; *I != 0 && *I != ']'; I++); | |
229 | *I = 0; | |
230 | ||
231 | const char *C = _strstrip(Buffer); | |
232 | ||
233 | // Comment or blank | |
234 | if (C[0] == '#' || C[0] == 0) | |
235 | continue; | |
236 | ||
237 | // Grok it | |
238 | string LineType; | |
239 | if (ParseQuoteWord(C,LineType) == false) | |
240 | return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str()); | |
241 | ||
242 | Type *Parse = Type::GetType(LineType.c_str()); | |
243 | if (Parse == 0) | |
244 | return _error->Error(_("Type '%s' is not known on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str()); | |
245 | ||
246 | // Vendor name specified | |
247 | if (C[0] == '[') | |
248 | { | |
249 | string VendorID; | |
250 | ||
251 | if (ParseQuoteWord(C,VendorID) == false) | |
252 | return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str()); | |
253 | ||
254 | if (VendorID.length() < 2 || VendorID.end()[-1] != ']') | |
255 | return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str()); | |
256 | VendorID = string(VendorID,1,VendorID.size()-2); | |
257 | ||
258 | // for (vector<const Vendor *>::const_iterator iter = VendorList.begin(); | |
259 | // iter != VendorList.end(); iter++) | |
260 | // { | |
261 | // if ((*iter)->GetVendorID() == VendorID) | |
262 | // { | |
263 | // if (_config->FindB("Debug::sourceList", false)) | |
264 | // std::cerr << "Comparing VendorID \"" << VendorID << "\" with \"" << (*iter)->GetVendorID() << '"' << std::endl; | |
265 | // Verifier = *iter; | |
266 | // break; | |
267 | // } | |
268 | // } | |
269 | ||
270 | // if (Verifier == 0) | |
271 | // return _error->Error(_("Unknown vendor ID '%s' in line %u of source list %s"), | |
272 | // VendorID.c_str(),CurLine,File.c_str()); | |
273 | } | |
274 | ||
275 | if (Parse->ParseLine(SrcList,C,CurLine,File) == false) | |
276 | return false; | |
277 | } | |
278 | return true; | |
279 | } | |
280 | /*}}}*/ | |
281 | // SourceList::FindIndex - Get the index associated with a file /*{{{*/ | |
282 | // --------------------------------------------------------------------- | |
283 | /* */ | |
284 | bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File, | |
285 | pkgIndexFile *&Found) const | |
286 | { | |
287 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) | |
288 | { | |
289 | vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles(); | |
290 | for (vector<pkgIndexFile *>::const_iterator J = Indexes->begin(); | |
291 | J != Indexes->end(); J++) | |
292 | { | |
293 | if ((*J)->FindInCache(*File.Cache()) == File) | |
294 | { | |
295 | Found = (*J); | |
296 | return true; | |
297 | } | |
298 | } | |
299 | } | |
300 | ||
301 | return false; | |
302 | } | |
303 | /*}}}*/ | |
304 | // SourceList::GetIndexes - Load the index files into the downloader /*{{{*/ | |
305 | // --------------------------------------------------------------------- | |
306 | /* */ | |
307 | bool pkgSourceList::GetIndexes(pkgAcquire *Owner, bool GetAll) const | |
308 | { | |
309 | for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++) | |
310 | if ((*I)->GetIndexes(Owner,GetAll) == false) | |
311 | return false; | |
312 | return true; | |
313 | } | |
314 | /*}}}*/ | |
315 | // CNC:2003-03-03 - By Anton V. Denisov <avd@altlinux.org>. | |
316 | // SourceList::ReadSourceDir - Read a directory with sources files | |
317 | // Based on ReadConfigDir() /*{{{*/ | |
318 | // --------------------------------------------------------------------- | |
319 | /* */ | |
320 | bool pkgSourceList::ReadSourceDir(string Dir) | |
321 | { | |
322 | DIR *D = opendir(Dir.c_str()); | |
323 | if (D == 0) | |
324 | return _error->Errno("opendir",_("Unable to read %s"),Dir.c_str()); | |
325 | ||
326 | vector<string> List; | |
327 | ||
328 | for (struct dirent *Ent = readdir(D); Ent != 0; Ent = readdir(D)) | |
329 | { | |
330 | if (Ent->d_name[0] == '.') | |
331 | continue; | |
332 | ||
333 | // CNC:2003-12-02 Only accept .list files as valid sourceparts | |
334 | if (flExtension(Ent->d_name) != "list") | |
335 | continue; | |
336 | ||
337 | // Skip bad file names ala run-parts | |
338 | const char *C = Ent->d_name; | |
339 | for (; *C != 0; C++) | |
340 | if (isalpha(*C) == 0 && isdigit(*C) == 0 | |
341 | && *C != '_' && *C != '-' && *C != '.') | |
342 | break; | |
343 | if (*C != 0) | |
344 | continue; | |
345 | ||
346 | // Make sure it is a file and not something else | |
347 | string File = flCombine(Dir,Ent->d_name); | |
348 | struct stat St; | |
349 | if (stat(File.c_str(),&St) != 0 || S_ISREG(St.st_mode) == 0) | |
350 | continue; | |
351 | ||
352 | List.push_back(File); | |
353 | } | |
354 | closedir(D); | |
355 | ||
356 | sort(List.begin(),List.end()); | |
357 | ||
358 | // Read the files | |
359 | for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++) | |
360 | if (ReadAppend(*I) == false) | |
361 | return false; | |
362 | return true; | |
363 | ||
364 | } | |
365 | /*}}}*/ | |
366 |