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0118833a AL |
1 | // -*- mode: cpp; mode: fold -*- |
2 | // Description /*{{{*/ | |
b3d44315 | 3 | // $Id: acquire-item.cc,v 1.46.2.9 2004/01/16 18:51:11 mdz Exp $ |
0118833a AL |
4 | /* ###################################################################### |
5 | ||
6 | Acquire Item - Item to acquire | |
7 | ||
8 | Each item can download to exactly one file at a time. This means you | |
9 | cannot create an item that fetches two uri's to two files at the same | |
10 | time. The pkgAcqIndex class creates a second class upon instantiation | |
11 | to fetch the other index files because of this. | |
b185acc2 | 12 | |
0118833a AL |
13 | ##################################################################### */ |
14 | /*}}}*/ | |
15 | // Include Files /*{{{*/ | |
16 | #ifdef __GNUG__ | |
17 | #pragma implementation "apt-pkg/acquire-item.h" | |
18 | #endif | |
19 | #include <apt-pkg/acquire-item.h> | |
20 | #include <apt-pkg/configuration.h> | |
b2e465d6 | 21 | #include <apt-pkg/sourcelist.h> |
b3d44315 | 22 | #include <apt-pkg/vendorlist.h> |
03e39e59 | 23 | #include <apt-pkg/error.h> |
cdcc6d34 | 24 | #include <apt-pkg/strutl.h> |
36375005 | 25 | #include <apt-pkg/fileutl.h> |
b3d44315 | 26 | #include <apt-pkg/md5.h> |
ac5b205a MV |
27 | #include <apt-pkg/sha1.h> |
28 | #include <apt-pkg/tagfile.h> | |
0a8a80e5 | 29 | |
b2e465d6 AL |
30 | #include <apti18n.h> |
31 | ||
0a8a80e5 AL |
32 | #include <sys/stat.h> |
33 | #include <unistd.h> | |
c88edf1d | 34 | #include <errno.h> |
5819a761 | 35 | #include <string> |
ac5b205a | 36 | #include <sstream> |
c88edf1d | 37 | #include <stdio.h> |
0118833a AL |
38 | /*}}}*/ |
39 | ||
b3d44315 | 40 | using namespace std; |
5819a761 | 41 | |
0118833a AL |
42 | // Acquire::Item::Item - Constructor /*{{{*/ |
43 | // --------------------------------------------------------------------- | |
44 | /* */ | |
8267fe24 | 45 | pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), |
6b1ff003 AL |
46 | PartialSize(0), Mode(0), ID(0), Complete(false), |
47 | Local(false), QueueCounter(0) | |
0118833a AL |
48 | { |
49 | Owner->Add(this); | |
c88edf1d | 50 | Status = StatIdle; |
0118833a AL |
51 | } |
52 | /*}}}*/ | |
53 | // Acquire::Item::~Item - Destructor /*{{{*/ | |
54 | // --------------------------------------------------------------------- | |
55 | /* */ | |
56 | pkgAcquire::Item::~Item() | |
57 | { | |
58 | Owner->Remove(this); | |
59 | } | |
60 | /*}}}*/ | |
c88edf1d AL |
61 | // Acquire::Item::Failed - Item failed to download /*{{{*/ |
62 | // --------------------------------------------------------------------- | |
93bf083d AL |
63 | /* We return to an idle state if there are still other queues that could |
64 | fetch this object */ | |
7d8afa39 | 65 | void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
c88edf1d | 66 | { |
93bf083d | 67 | Status = StatIdle; |
db890fdb | 68 | ErrorText = LookupTag(Message,"Message"); |
c88edf1d | 69 | if (QueueCounter <= 1) |
93bf083d | 70 | { |
a72ace20 | 71 | /* This indicates that the file is not available right now but might |
7d8afa39 | 72 | be sometime later. If we do a retry cycle then this should be |
17caf1b1 | 73 | retried [CDROMs] */ |
7d8afa39 AL |
74 | if (Cnf->LocalOnly == true && |
75 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
a72ace20 AL |
76 | { |
77 | Status = StatIdle; | |
681d76d0 | 78 | Dequeue(); |
a72ace20 AL |
79 | return; |
80 | } | |
81 | ||
93bf083d | 82 | Status = StatError; |
681d76d0 | 83 | Dequeue(); |
93bf083d | 84 | } |
c88edf1d AL |
85 | } |
86 | /*}}}*/ | |
8267fe24 AL |
87 | // Acquire::Item::Start - Item has begun to download /*{{{*/ |
88 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
89 | /* Stash status and the file size. Note that setting Complete means |
90 | sub-phases of the acquire process such as decompresion are operating */ | |
727f18af | 91 | void pkgAcquire::Item::Start(string /*Message*/,unsigned long Size) |
8267fe24 AL |
92 | { |
93 | Status = StatFetching; | |
94 | if (FileSize == 0 && Complete == false) | |
95 | FileSize = Size; | |
96 | } | |
97 | /*}}}*/ | |
c88edf1d AL |
98 | // Acquire::Item::Done - Item downloaded OK /*{{{*/ |
99 | // --------------------------------------------------------------------- | |
100 | /* */ | |
459681d3 AL |
101 | void pkgAcquire::Item::Done(string Message,unsigned long Size,string, |
102 | pkgAcquire::MethodConfig *Cnf) | |
c88edf1d | 103 | { |
b98f2859 AL |
104 | // We just downloaded something.. |
105 | string FileName = LookupTag(Message,"Filename"); | |
106 | if (Complete == false && FileName == DestFile) | |
107 | { | |
108 | if (Owner->Log != 0) | |
109 | Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str())); | |
110 | } | |
aa0e1101 AL |
111 | |
112 | if (FileSize == 0) | |
113 | FileSize= Size; | |
b98f2859 | 114 | |
c88edf1d AL |
115 | Status = StatDone; |
116 | ErrorText = string(); | |
117 | Owner->Dequeue(this); | |
118 | } | |
119 | /*}}}*/ | |
8b89e57f AL |
120 | // Acquire::Item::Rename - Rename a file /*{{{*/ |
121 | // --------------------------------------------------------------------- | |
122 | /* This helper function is used by alot of item methods as thier final | |
123 | step */ | |
124 | void pkgAcquire::Item::Rename(string From,string To) | |
125 | { | |
126 | if (rename(From.c_str(),To.c_str()) != 0) | |
127 | { | |
128 | char S[300]; | |
0fcd01de | 129 | snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno), |
8b89e57f AL |
130 | From.c_str(),To.c_str()); |
131 | Status = StatError; | |
132 | ErrorText = S; | |
7a3c2ab0 | 133 | } |
8b89e57f AL |
134 | } |
135 | /*}}}*/ | |
0118833a | 136 | |
2237bd01 MV |
137 | |
138 | // AcqDiffIndex::AcqDiffIndex - Constructor | |
ac5b205a | 139 | // --------------------------------------------------------------------- |
2237bd01 MV |
140 | /* Get the DiffIndex file first and see if there are patches availabe |
141 | * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the | |
142 | * patches. If anything goes wrong in that process, it will fall back to | |
143 | * the original packages file | |
ac5b205a | 144 | */ |
2237bd01 MV |
145 | pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, |
146 | string URI,string URIDesc,string ShortDesc, | |
147 | string ExpectedMD5) | |
148 | : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), Description(URIDesc) | |
ac5b205a MV |
149 | { |
150 | ||
ac5b205a MV |
151 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); |
152 | ||
2237bd01 | 153 | Desc.Description = URIDesc + "/DiffIndex"; |
ac5b205a MV |
154 | Desc.Owner = this; |
155 | Desc.ShortDesc = ShortDesc; | |
2237bd01 MV |
156 | Desc.URI = URI + ".diff/Index"; |
157 | ||
158 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
159 | DestFile += URItoFileName(URI) + string(".DiffIndex"); | |
160 | ||
161 | if(Debug) | |
162 | std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl; | |
ac5b205a | 163 | |
2237bd01 | 164 | // look for the current package file |
ac5b205a MV |
165 | CurrentPackagesFile = _config->FindDir("Dir::State::lists"); |
166 | CurrentPackagesFile += URItoFileName(RealURI); | |
167 | ||
ac5b205a MV |
168 | if(!FileExists(CurrentPackagesFile) || |
169 | !_config->FindB("Acquire::Diffs",true)) { | |
170 | // we don't have a pkg file or we don't want to queue | |
171 | if(Debug) | |
172 | std::clog << "No index file or canceld by user" << std::endl; | |
173 | Failed("", NULL); | |
174 | return; | |
175 | } | |
176 | ||
2237bd01 MV |
177 | if(Debug) { |
178 | std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): " | |
179 | << CurrentPackagesFile << std::endl; | |
4a0a786f | 180 | } |
ac5b205a MV |
181 | |
182 | QueueURI(Desc); | |
2237bd01 | 183 | |
ac5b205a MV |
184 | } |
185 | ||
6cb30d01 MV |
186 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
187 | // --------------------------------------------------------------------- | |
188 | /* The only header we use is the last-modified header. */ | |
2237bd01 | 189 | string pkgAcqDiffIndex::Custom600Headers() |
6cb30d01 | 190 | { |
6cb30d01 MV |
191 | string Final = _config->FindDir("Dir::State::lists"); |
192 | Final += URItoFileName(RealURI) + string(".IndexDiff"); | |
193 | ||
194 | if(Debug) | |
195 | std::clog << "Custom600Header-IMS: " << Final << std::endl; | |
196 | ||
197 | struct stat Buf; | |
198 | if (stat(Final.c_str(),&Buf) != 0) | |
199 | return "\nIndex-File: true"; | |
200 | ||
201 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
202 | } | |
203 | ||
2237bd01 MV |
204 | |
205 | bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) | |
206 | { | |
207 | if(Debug) | |
208 | std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile | |
209 | << std::endl; | |
210 | ||
211 | pkgTagSection Tags; | |
212 | string ServerSha1; | |
213 | vector<DiffInfo> available_patches; | |
214 | ||
215 | FileFd Fd(IndexDiffFile,FileFd::ReadOnly); | |
216 | pkgTagFile TF(&Fd); | |
217 | if (_error->PendingError() == true) | |
218 | return false; | |
219 | ||
220 | if(TF.Step(Tags) == true) | |
221 | { | |
222 | string local_sha1; | |
223 | string tmp = Tags.FindS("SHA1-Current"); | |
224 | std::stringstream ss(tmp); | |
225 | ss >> ServerSha1; | |
226 | ||
227 | FileFd fd(CurrentPackagesFile, FileFd::ReadOnly); | |
228 | SHA1Summation SHA1; | |
229 | SHA1.AddFD(fd.Fd(), fd.Size()); | |
230 | local_sha1 = string(SHA1.Result()); | |
231 | ||
232 | if(local_sha1 == ServerSha1) { | |
233 | if(Debug) | |
234 | std::clog << "Package file is up-to-date" << std::endl; | |
235 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, | |
236 | ExpectedMD5, available_patches); | |
237 | Complete = false; | |
238 | Status = StatDone; | |
239 | Dequeue(); | |
240 | return true; | |
241 | } | |
242 | if(Debug) | |
243 | std::clog << "SHA1-Current: " << ServerSha1 << std::endl; | |
244 | ||
245 | // check the historie and see what patches we need | |
246 | string history = Tags.FindS("SHA1-History"); | |
247 | std::stringstream hist(history); | |
248 | DiffInfo d; | |
249 | string size; | |
250 | bool found = false; | |
251 | while(hist >> d.sha1 >> size >> d.file) { | |
252 | d.size = atoi(size.c_str()); | |
253 | // read until the first match is found | |
254 | if(d.sha1 == local_sha1) | |
255 | found=true; | |
256 | // from that point on, we probably need all diffs | |
257 | if(found) { | |
258 | if(Debug) | |
259 | std::clog << "Need to get diff: " << d.file << std::endl; | |
260 | available_patches.push_back(d); | |
261 | } | |
262 | } | |
263 | ||
264 | // no information how to get the patches, bail out | |
265 | if(!found) { | |
266 | if(Debug) | |
267 | std::clog << "Can't find a patch in the index file" << std::endl; | |
268 | // Failed will queue a big package file | |
269 | Failed("", NULL); | |
270 | } else { | |
271 | // queue the diffs | |
272 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, | |
273 | ExpectedMD5, available_patches); | |
274 | Complete = false; | |
275 | Status = StatDone; | |
276 | Dequeue(); | |
277 | return true; | |
278 | } | |
279 | } | |
280 | ||
281 | return false; | |
282 | } | |
283 | ||
284 | void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
285 | { | |
286 | if(Debug) | |
287 | std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl | |
288 | << "Falling back to normal index file aquire" << std::endl; | |
289 | ||
290 | new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, | |
291 | ExpectedMD5); | |
292 | ||
293 | Complete = false; | |
294 | Status = StatDone; | |
295 | Dequeue(); | |
296 | } | |
297 | ||
298 | void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash, | |
299 | pkgAcquire::MethodConfig *Cnf) | |
300 | { | |
301 | if(Debug) | |
302 | std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl; | |
303 | ||
304 | Item::Done(Message,Size,Md5Hash,Cnf); | |
305 | ||
306 | string FinalFile; | |
307 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
308 | ||
309 | // sucess in downloading the index | |
310 | // rename the index | |
311 | FinalFile += string(".IndexDiff"); | |
312 | if(Debug) | |
313 | std::clog << "Renaming: " << DestFile << " -> " << FinalFile | |
314 | << std::endl; | |
315 | Rename(DestFile,FinalFile); | |
316 | chmod(FinalFile.c_str(),0644); | |
317 | DestFile = FinalFile; | |
318 | ||
319 | if(!ParseDiffIndex(DestFile)) | |
320 | return Failed("", NULL); | |
321 | ||
322 | Complete = true; | |
323 | Status = StatDone; | |
324 | Dequeue(); | |
325 | return; | |
326 | } | |
327 | ||
328 | ||
329 | ||
330 | // AcqIndexDiffs::AcqIndexDiffs - Constructor | |
331 | // --------------------------------------------------------------------- | |
332 | /* The package diff is added to the queue. one object is constructed | |
333 | * for each diff and the index | |
334 | */ | |
335 | pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, | |
336 | string URI,string URIDesc,string ShortDesc, | |
337 | string ExpectedMD5, vector<DiffInfo> diffs) | |
338 | : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), | |
339 | available_patches(diffs) | |
340 | { | |
341 | ||
342 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
343 | DestFile += URItoFileName(URI); | |
344 | ||
345 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); | |
346 | ||
347 | Desc.Description = URIDesc; | |
348 | Desc.Owner = this; | |
349 | Desc.ShortDesc = ShortDesc; | |
350 | ||
351 | if(available_patches.size() == 0) { | |
352 | // we are done (yeah!) | |
353 | Finish(true); | |
354 | } else { | |
355 | // get the next diff | |
356 | State = StateFetchDiff; | |
357 | QueueNextDiff(); | |
358 | } | |
359 | } | |
360 | ||
361 | ||
ac5b205a MV |
362 | void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
363 | { | |
2237bd01 MV |
364 | if(Debug) |
365 | std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl | |
366 | << "Falling back to normal index file aquire" << std::endl; | |
367 | new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, | |
ac5b205a MV |
368 | ExpectedMD5); |
369 | Finish(); | |
370 | } | |
371 | ||
372 | ||
373 | // helper that cleans the item out of the fetcher queue | |
374 | void pkgAcqIndexDiffs::Finish(bool allDone) | |
375 | { | |
376 | // we restore the original name, this is required, otherwise | |
377 | // the file will be cleaned | |
378 | if(allDone) { | |
379 | // this is for the "real" finish | |
380 | DestFile = _config->FindDir("Dir::State::lists"); | |
381 | DestFile += URItoFileName(RealURI); | |
382 | Complete = true; | |
383 | Dequeue(); | |
384 | if(Debug) | |
385 | std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl; | |
386 | return; | |
ac5b205a MV |
387 | } |
388 | ||
389 | if(Debug) | |
390 | std::clog << "Finishing: " << Desc.URI << std::endl; | |
391 | Complete = false; | |
392 | Status = StatDone; | |
393 | Dequeue(); | |
394 | return; | |
395 | } | |
396 | ||
397 | ||
ac5b205a MV |
398 | |
399 | bool pkgAcqIndexDiffs::QueueNextDiff() | |
400 | { | |
3de9ff77 | 401 | |
94dc9d7d MV |
402 | // calc sha1 of the just patched file |
403 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
404 | FinalFile += URItoFileName(RealURI); | |
405 | ||
406 | FileFd fd(FinalFile, FileFd::ReadOnly); | |
407 | SHA1Summation SHA1; | |
408 | SHA1.AddFD(fd.Fd(), fd.Size()); | |
409 | string local_sha1 = string(SHA1.Result()); | |
3de9ff77 MV |
410 | if(Debug) |
411 | std::clog << "QueueNextDiff: " | |
412 | << FinalFile << " (" << local_sha1 << ")"<<std::endl; | |
94dc9d7d | 413 | |
26d27645 MV |
414 | // remove all patches until the next matching patch is found |
415 | // this requires the Index file to be ordered | |
94dc9d7d | 416 | for(vector<DiffInfo>::iterator I=available_patches.begin(); |
59a704f0 MV |
417 | available_patches.size() > 0 && I != available_patches.end() |
418 | && (*I).sha1 != local_sha1; | |
419 | I++) { | |
26d27645 | 420 | available_patches.erase(I); |
59a704f0 | 421 | } |
94dc9d7d MV |
422 | |
423 | // error checking and falling back if no patch was found | |
424 | if(available_patches.size() == 0) { | |
425 | Failed("", NULL); | |
426 | return false; | |
427 | } | |
6cb30d01 | 428 | |
94dc9d7d | 429 | // queue the right diff |
2237bd01 | 430 | Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz"; |
94dc9d7d | 431 | Desc.Description = available_patches[0].file + string(".pdiff"); |
ac5b205a MV |
432 | |
433 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
2237bd01 | 434 | DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file); |
ac5b205a MV |
435 | |
436 | if(Debug) | |
437 | std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl; | |
438 | ||
439 | QueueURI(Desc); | |
440 | ||
441 | return true; | |
442 | } | |
443 | ||
ac5b205a MV |
444 | |
445 | ||
446 | void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, | |
447 | pkgAcquire::MethodConfig *Cnf) | |
448 | { | |
449 | if(Debug) | |
450 | std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl; | |
451 | ||
452 | Item::Done(Message,Size,Md5Hash,Cnf); | |
453 | ||
4a0a786f MV |
454 | string FinalFile; |
455 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
6cb30d01 | 456 | |
4a0a786f MV |
457 | // sucess in downloading a diff, enter ApplyDiff state |
458 | if(State == StateFetchDiff) | |
459 | { | |
460 | ||
461 | if(Debug) | |
462 | std::clog << "Sending to gzip method: " << FinalFile << std::endl; | |
463 | ||
464 | string FileName = LookupTag(Message,"Filename"); | |
465 | State = StateUnzipDiff; | |
466 | Desc.URI = "gzip:" + FileName; | |
467 | DestFile += ".decomp"; | |
468 | QueueURI(Desc); | |
469 | Mode = "gzip"; | |
470 | return; | |
471 | } | |
472 | ||
473 | // sucess in downloading a diff, enter ApplyDiff state | |
474 | if(State == StateUnzipDiff) | |
475 | { | |
476 | ||
477 | // rred excepts the patch as $FinalFile.ed | |
478 | Rename(DestFile,FinalFile+".ed"); | |
479 | ||
480 | if(Debug) | |
481 | std::clog << "Sending to rred method: " << FinalFile << std::endl; | |
482 | ||
483 | State = StateApplyDiff; | |
484 | Desc.URI = "rred:" + FinalFile; | |
485 | QueueURI(Desc); | |
486 | Mode = "rred"; | |
487 | return; | |
488 | } | |
489 | ||
490 | ||
491 | // success in download/apply a diff, queue next (if needed) | |
492 | if(State == StateApplyDiff) | |
493 | { | |
494 | // remove the just applied patch | |
94dc9d7d | 495 | available_patches.erase(available_patches.begin()); |
ac5b205a | 496 | |
4a0a786f | 497 | // move into place |
59a704f0 MV |
498 | if(Debug) |
499 | { | |
4a0a786f MV |
500 | std::clog << "Moving patched file in place: " << std::endl |
501 | << DestFile << " -> " << FinalFile << std::endl; | |
59a704f0 | 502 | } |
4a0a786f MV |
503 | Rename(DestFile,FinalFile); |
504 | ||
505 | // see if there is more to download | |
94dc9d7d | 506 | if(available_patches.size() > 0) { |
ac5b205a | 507 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, |
94dc9d7d | 508 | ExpectedMD5, available_patches); |
4a0a786f MV |
509 | return Finish(); |
510 | } else | |
511 | return Finish(true); | |
ac5b205a | 512 | } |
ac5b205a MV |
513 | } |
514 | ||
515 | ||
0118833a AL |
516 | // AcqIndex::AcqIndex - Constructor /*{{{*/ |
517 | // --------------------------------------------------------------------- | |
518 | /* The package file is added to the queue and a second class is | |
b2e465d6 AL |
519 | instantiated to fetch the revision file */ |
520 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, | |
b3d44315 | 521 | string URI,string URIDesc,string ShortDesc, |
ac5b205a MV |
522 | string ExpectedMD5, string comprExt) |
523 | : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5) | |
0118833a | 524 | { |
8b89e57f | 525 | Decompression = false; |
bfd22fc0 | 526 | Erase = false; |
8b89e57f | 527 | |
0a8a80e5 | 528 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 529 | DestFile += URItoFileName(URI); |
8267fe24 | 530 | |
b3d44315 MV |
531 | if(comprExt.empty()) |
532 | { | |
533 | // autoselect | |
534 | if(FileExists("/usr/bin/bzip2")) | |
535 | Desc.URI = URI + ".bz2"; | |
536 | else | |
537 | Desc.URI = URI + ".gz"; | |
538 | } else { | |
539 | Desc.URI = URI + comprExt; | |
540 | } | |
541 | ||
b2e465d6 | 542 | Desc.Description = URIDesc; |
8267fe24 | 543 | Desc.Owner = this; |
b2e465d6 | 544 | Desc.ShortDesc = ShortDesc; |
8267fe24 AL |
545 | |
546 | QueueURI(Desc); | |
0118833a AL |
547 | } |
548 | /*}}}*/ | |
0a8a80e5 | 549 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 550 | // --------------------------------------------------------------------- |
0a8a80e5 AL |
551 | /* The only header we use is the last-modified header. */ |
552 | string pkgAcqIndex::Custom600Headers() | |
0118833a | 553 | { |
0a8a80e5 | 554 | string Final = _config->FindDir("Dir::State::lists"); |
b2e465d6 | 555 | Final += URItoFileName(RealURI); |
0a8a80e5 AL |
556 | |
557 | struct stat Buf; | |
558 | if (stat(Final.c_str(),&Buf) != 0) | |
a72ace20 | 559 | return "\nIndex-File: true"; |
0118833a | 560 | |
a72ace20 | 561 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
0118833a AL |
562 | } |
563 | /*}}}*/ | |
debc84b2 MZ |
564 | |
565 | void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
566 | { | |
567 | // no .bz2 found, retry with .gz | |
568 | if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") { | |
569 | Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; | |
b3d44315 MV |
570 | |
571 | // retry with a gzip one | |
572 | new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc, | |
573 | ExpectedMD5, string(".gz")); | |
574 | Status = StatDone; | |
575 | Complete = false; | |
576 | Dequeue(); | |
debc84b2 MZ |
577 | return; |
578 | } | |
579 | ||
580 | ||
581 | Item::Failed(Message,Cnf); | |
582 | } | |
583 | ||
584 | ||
8b89e57f AL |
585 | // AcqIndex::Done - Finished a fetch /*{{{*/ |
586 | // --------------------------------------------------------------------- | |
587 | /* This goes through a number of states.. On the initial fetch the | |
588 | method could possibly return an alternate filename which points | |
589 | to the uncompressed version of the file. If this is so the file | |
590 | is copied into the partial directory. In all other cases the file | |
591 | is decompressed with a gzip uri. */ | |
459681d3 AL |
592 | void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5, |
593 | pkgAcquire::MethodConfig *Cfg) | |
8b89e57f | 594 | { |
459681d3 | 595 | Item::Done(Message,Size,MD5,Cfg); |
8b89e57f AL |
596 | |
597 | if (Decompression == true) | |
598 | { | |
b3d44315 MV |
599 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) |
600 | { | |
601 | std::cerr << std::endl << RealURI << ": Computed MD5: " << MD5; | |
602 | std::cerr << " Expected MD5: " << ExpectedMD5 << std::endl; | |
603 | } | |
604 | ||
605 | if (MD5.empty()) | |
606 | { | |
607 | MD5Summation sum; | |
608 | FileFd Fd(DestFile, FileFd::ReadOnly); | |
609 | sum.AddFD(Fd.Fd(), Fd.Size()); | |
610 | Fd.Close(); | |
611 | MD5 = (string)sum.Result(); | |
612 | } | |
613 | ||
614 | if (!ExpectedMD5.empty() && MD5 != ExpectedMD5) | |
615 | { | |
616 | Status = StatAuthError; | |
617 | ErrorText = _("MD5Sum mismatch"); | |
618 | Rename(DestFile,DestFile + ".FAILED"); | |
619 | return; | |
620 | } | |
8b89e57f AL |
621 | // Done, move it into position |
622 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
b2e465d6 | 623 | FinalFile += URItoFileName(RealURI); |
8b89e57f | 624 | Rename(DestFile,FinalFile); |
7a3c2ab0 | 625 | chmod(FinalFile.c_str(),0644); |
bfd22fc0 | 626 | |
7a7fa5f0 AL |
627 | /* We restore the original name to DestFile so that the clean operation |
628 | will work OK */ | |
629 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
b2e465d6 | 630 | DestFile += URItoFileName(RealURI); |
7a7fa5f0 | 631 | |
bfd22fc0 AL |
632 | // Remove the compressed version. |
633 | if (Erase == true) | |
bfd22fc0 | 634 | unlink(DestFile.c_str()); |
8b89e57f AL |
635 | return; |
636 | } | |
bfd22fc0 AL |
637 | |
638 | Erase = false; | |
8267fe24 | 639 | Complete = true; |
bfd22fc0 | 640 | |
8b89e57f AL |
641 | // Handle the unzipd case |
642 | string FileName = LookupTag(Message,"Alt-Filename"); | |
643 | if (FileName.empty() == false) | |
644 | { | |
645 | // The files timestamp matches | |
646 | if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) | |
647 | return; | |
b3d44315 | 648 | |
8b89e57f | 649 | Decompression = true; |
a6568219 | 650 | Local = true; |
8b89e57f | 651 | DestFile += ".decomp"; |
8267fe24 AL |
652 | Desc.URI = "copy:" + FileName; |
653 | QueueURI(Desc); | |
b98f2859 | 654 | Mode = "copy"; |
8b89e57f AL |
655 | return; |
656 | } | |
657 | ||
658 | FileName = LookupTag(Message,"Filename"); | |
659 | if (FileName.empty() == true) | |
660 | { | |
661 | Status = StatError; | |
662 | ErrorText = "Method gave a blank filename"; | |
663 | } | |
664 | ||
665 | // The files timestamp matches | |
666 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
667 | return; | |
bfd22fc0 AL |
668 | |
669 | if (FileName == DestFile) | |
670 | Erase = true; | |
8267fe24 | 671 | else |
a6568219 | 672 | Local = true; |
8b89e57f | 673 | |
debc84b2 MZ |
674 | string compExt = Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1); |
675 | char *decompProg; | |
676 | if(compExt == "bz2") | |
677 | decompProg = "bzip2"; | |
678 | else if(compExt == ".gz") | |
679 | decompProg = "gzip"; | |
680 | else { | |
681 | _error->Error("Unsupported extension: %s", compExt.c_str()); | |
682 | return; | |
683 | } | |
684 | ||
8b89e57f AL |
685 | Decompression = true; |
686 | DestFile += ".decomp"; | |
debc84b2 | 687 | Desc.URI = string(decompProg) + ":" + FileName; |
8267fe24 | 688 | QueueURI(Desc); |
debc84b2 | 689 | Mode = decompProg; |
8b89e57f | 690 | } |
8b89e57f | 691 | |
b3d44315 MV |
692 | pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, |
693 | string URI,string URIDesc,string ShortDesc, | |
694 | string MetaIndexURI, string MetaIndexURIDesc, | |
695 | string MetaIndexShortDesc, | |
696 | const vector<IndexTarget*>* IndexTargets, | |
697 | indexRecords* MetaIndexParser) : | |
698 | Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI), | |
699 | MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc) | |
0118833a | 700 | { |
b3d44315 MV |
701 | this->MetaIndexParser = MetaIndexParser; |
702 | this->IndexTargets = IndexTargets; | |
0a8a80e5 | 703 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 704 | DestFile += URItoFileName(URI); |
b3d44315 | 705 | |
f6237efd MV |
706 | // remove any partial downloaded sig-file. it may confuse proxies |
707 | // and is too small to warrant a partial download anyway | |
708 | unlink(DestFile.c_str()); | |
709 | ||
8267fe24 | 710 | // Create the item |
b2e465d6 | 711 | Desc.Description = URIDesc; |
8267fe24 | 712 | Desc.Owner = this; |
b3d44315 MV |
713 | Desc.ShortDesc = ShortDesc; |
714 | Desc.URI = URI; | |
715 | ||
716 | ||
717 | string Final = _config->FindDir("Dir::State::lists"); | |
718 | Final += URItoFileName(RealURI); | |
719 | struct stat Buf; | |
720 | if (stat(Final.c_str(),&Buf) == 0) | |
721 | { | |
722 | // File was already in place. It needs to be re-verified | |
723 | // because Release might have changed, so Move it into partial | |
724 | Rename(Final,DestFile); | |
284c8bbc MV |
725 | // unlink the file and do not try to use I-M-S and Last-Modified |
726 | // if the users proxy is broken | |
727 | if(_config->FindB("Acquire::BrokenProxy", false) == true) { | |
728 | std::cerr << "forcing re-get of the signature file as requested" << std::endl; | |
729 | unlink(DestFile.c_str()); | |
730 | } | |
b3d44315 | 731 | } |
8267fe24 | 732 | |
8267fe24 | 733 | QueueURI(Desc); |
0118833a AL |
734 | } |
735 | /*}}}*/ | |
b3d44315 | 736 | // pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 737 | // --------------------------------------------------------------------- |
0a8a80e5 | 738 | /* The only header we use is the last-modified header. */ |
b3d44315 | 739 | string pkgAcqMetaSig::Custom600Headers() |
0118833a | 740 | { |
0a8a80e5 | 741 | struct stat Buf; |
2aab5956 | 742 | if (stat(DestFile.c_str(),&Buf) != 0) |
a72ace20 | 743 | return "\nIndex-File: true"; |
a789b983 | 744 | |
a72ace20 | 745 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
0118833a | 746 | } |
b3d44315 MV |
747 | |
748 | void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5, | |
749 | pkgAcquire::MethodConfig *Cfg) | |
c88edf1d | 750 | { |
459681d3 | 751 | Item::Done(Message,Size,MD5,Cfg); |
c88edf1d AL |
752 | |
753 | string FileName = LookupTag(Message,"Filename"); | |
754 | if (FileName.empty() == true) | |
755 | { | |
756 | Status = StatError; | |
757 | ErrorText = "Method gave a blank filename"; | |
8b89e57f | 758 | return; |
c88edf1d | 759 | } |
8b89e57f | 760 | |
c88edf1d AL |
761 | if (FileName != DestFile) |
762 | { | |
b3d44315 | 763 | // We have to copy it into place |
a6568219 | 764 | Local = true; |
8267fe24 AL |
765 | Desc.URI = "copy:" + FileName; |
766 | QueueURI(Desc); | |
c88edf1d AL |
767 | return; |
768 | } | |
b3d44315 MV |
769 | |
770 | Complete = true; | |
771 | ||
772 | // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved | |
773 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
774 | DestFile, IndexTargets, MetaIndexParser); | |
775 | ||
c88edf1d AL |
776 | } |
777 | /*}}}*/ | |
b3d44315 | 778 | void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
681d76d0 | 779 | { |
b3d44315 MV |
780 | // Delete any existing sigfile, so that this source isn't |
781 | // mistakenly trusted | |
782 | string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); | |
783 | unlink(Final.c_str()); | |
a789b983 | 784 | |
b3d44315 MV |
785 | // queue a pkgAcqMetaIndex with no sigfile |
786 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
787 | "", IndexTargets, MetaIndexParser); | |
788 | ||
681d76d0 AL |
789 | if (Cnf->LocalOnly == true || |
790 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) | |
791 | { | |
2b154e53 AL |
792 | // Ignore this |
793 | Status = StatDone; | |
794 | Complete = false; | |
681d76d0 AL |
795 | Dequeue(); |
796 | return; | |
797 | } | |
798 | ||
799 | Item::Failed(Message,Cnf); | |
800 | } | |
b3d44315 MV |
801 | |
802 | pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, | |
803 | string URI,string URIDesc,string ShortDesc, | |
804 | string SigFile, | |
805 | const vector<struct IndexTarget*>* IndexTargets, | |
806 | indexRecords* MetaIndexParser) : | |
807 | Item(Owner), RealURI(URI), SigFile(SigFile) | |
808 | { | |
809 | this->AuthPass = false; | |
810 | this->MetaIndexParser = MetaIndexParser; | |
811 | this->IndexTargets = IndexTargets; | |
812 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
813 | DestFile += URItoFileName(URI); | |
814 | ||
815 | // Create the item | |
816 | Desc.Description = URIDesc; | |
817 | Desc.Owner = this; | |
818 | Desc.ShortDesc = ShortDesc; | |
819 | Desc.URI = URI; | |
820 | ||
821 | QueueURI(Desc); | |
822 | } | |
823 | ||
824 | /*}}}*/ | |
825 | // pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/ | |
826 | // --------------------------------------------------------------------- | |
827 | /* The only header we use is the last-modified header. */ | |
828 | string pkgAcqMetaIndex::Custom600Headers() | |
829 | { | |
830 | string Final = _config->FindDir("Dir::State::lists"); | |
831 | Final += URItoFileName(RealURI); | |
832 | ||
833 | struct stat Buf; | |
834 | if (stat(Final.c_str(),&Buf) != 0) | |
835 | return "\nIndex-File: true"; | |
836 | ||
837 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
838 | } | |
839 | ||
840 | void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string MD5, | |
841 | pkgAcquire::MethodConfig *Cfg) | |
842 | { | |
843 | Item::Done(Message,Size,MD5,Cfg); | |
844 | ||
845 | // MetaIndexes are done in two passes: one to download the | |
846 | // metaindex with an appropriate method, and a second to verify it | |
847 | // with the gpgv method | |
848 | ||
849 | if (AuthPass == true) | |
850 | { | |
851 | AuthDone(Message); | |
852 | } | |
853 | else | |
854 | { | |
855 | RetrievalDone(Message); | |
856 | if (!Complete) | |
857 | // Still more retrieving to do | |
858 | return; | |
859 | ||
860 | if (SigFile == "") | |
861 | { | |
862 | // There was no signature file, so we are finished. Download | |
863 | // the indexes without verification. | |
864 | QueueIndexes(false); | |
865 | } | |
866 | else | |
867 | { | |
868 | // There was a signature file, so pass it to gpgv for | |
869 | // verification | |
870 | ||
871 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
872 | std::cerr << "Metaindex acquired, queueing gpg verification (" | |
873 | << SigFile << "," << DestFile << ")\n"; | |
874 | AuthPass = true; | |
875 | Desc.URI = "gpgv:" + SigFile; | |
876 | QueueURI(Desc); | |
877 | Mode = "gpgv"; | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | void pkgAcqMetaIndex::RetrievalDone(string Message) | |
883 | { | |
884 | // We have just finished downloading a Release file (it is not | |
885 | // verified yet) | |
886 | ||
887 | string FileName = LookupTag(Message,"Filename"); | |
888 | if (FileName.empty() == true) | |
889 | { | |
890 | Status = StatError; | |
891 | ErrorText = "Method gave a blank filename"; | |
892 | return; | |
893 | } | |
894 | ||
895 | if (FileName != DestFile) | |
896 | { | |
897 | Local = true; | |
898 | Desc.URI = "copy:" + FileName; | |
899 | QueueURI(Desc); | |
900 | return; | |
901 | } | |
902 | ||
903 | Complete = true; | |
904 | ||
905 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
906 | FinalFile += URItoFileName(RealURI); | |
907 | ||
908 | // The files timestamp matches | |
909 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == false) | |
910 | { | |
911 | // Move it into position | |
912 | Rename(DestFile,FinalFile); | |
913 | } | |
914 | DestFile = FinalFile; | |
915 | } | |
916 | ||
917 | void pkgAcqMetaIndex::AuthDone(string Message) | |
918 | { | |
919 | // At this point, the gpgv method has succeeded, so there is a | |
920 | // valid signature from a key in the trusted keyring. We | |
921 | // perform additional verification of its contents, and use them | |
922 | // to verify the indexes we are about to download | |
923 | ||
924 | if (!MetaIndexParser->Load(DestFile)) | |
925 | { | |
926 | Status = StatAuthError; | |
927 | ErrorText = MetaIndexParser->ErrorText; | |
928 | return; | |
929 | } | |
930 | ||
931 | if (!VerifyVendor()) | |
932 | { | |
933 | return; | |
934 | } | |
935 | ||
936 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
937 | std::cerr << "Signature verification succeeded: " | |
938 | << DestFile << std::endl; | |
939 | ||
940 | // Download further indexes with verification | |
941 | QueueIndexes(true); | |
942 | ||
943 | // Done, move signature file into position | |
944 | ||
945 | string VerifiedSigFile = _config->FindDir("Dir::State::lists") + | |
946 | URItoFileName(RealURI) + ".gpg"; | |
947 | Rename(SigFile,VerifiedSigFile); | |
948 | chmod(VerifiedSigFile.c_str(),0644); | |
949 | } | |
950 | ||
951 | void pkgAcqMetaIndex::QueueIndexes(bool verify) | |
952 | { | |
953 | for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin(); | |
954 | Target != IndexTargets->end(); | |
955 | Target++) | |
956 | { | |
957 | string ExpectedIndexMD5; | |
958 | if (verify) | |
959 | { | |
960 | const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey); | |
961 | if (!Record) | |
962 | { | |
963 | Status = StatAuthError; | |
964 | ErrorText = "Unable to find expected entry " | |
965 | + (*Target)->MetaKey + " in Meta-index file (malformed Release file?)"; | |
966 | return; | |
967 | } | |
968 | ExpectedIndexMD5 = Record->MD5Hash; | |
969 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
970 | { | |
971 | std::cerr << "Queueing: " << (*Target)->URI << std::endl; | |
972 | std::cerr << "Expected MD5: " << ExpectedIndexMD5 << std::endl; | |
973 | } | |
974 | if (ExpectedIndexMD5.empty()) | |
975 | { | |
976 | Status = StatAuthError; | |
977 | ErrorText = "Unable to find MD5 sum for " | |
978 | + (*Target)->MetaKey + " in Meta-index file"; | |
979 | return; | |
980 | } | |
981 | } | |
982 | ||
983 | // Queue Packages file | |
2237bd01 MV |
984 | new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description, |
985 | (*Target)->ShortDesc, ExpectedIndexMD5); | |
b3d44315 MV |
986 | } |
987 | } | |
988 | ||
989 | bool pkgAcqMetaIndex::VerifyVendor() | |
990 | { | |
991 | // // Maybe this should be made available from above so we don't have | |
992 | // // to read and parse it every time? | |
993 | // pkgVendorList List; | |
994 | // List.ReadMainList(); | |
995 | ||
996 | // const Vendor* Vndr = NULL; | |
997 | // for (std::vector<string>::const_iterator I = GPGVOutput.begin(); I != GPGVOutput.end(); I++) | |
998 | // { | |
999 | // string::size_type pos = (*I).find("VALIDSIG "); | |
1000 | // if (_config->FindB("Debug::Vendor", false)) | |
1001 | // std::cerr << "Looking for VALIDSIG in \"" << (*I) << "\": pos " << pos | |
1002 | // << std::endl; | |
1003 | // if (pos != std::string::npos) | |
1004 | // { | |
1005 | // string Fingerprint = (*I).substr(pos+sizeof("VALIDSIG")); | |
1006 | // if (_config->FindB("Debug::Vendor", false)) | |
1007 | // std::cerr << "Looking for \"" << Fingerprint << "\" in vendor..." << | |
1008 | // std::endl; | |
1009 | // Vndr = List.FindVendor(Fingerprint) != ""; | |
1010 | // if (Vndr != NULL); | |
1011 | // break; | |
1012 | // } | |
1013 | // } | |
1014 | ||
1015 | string Transformed = MetaIndexParser->GetExpectedDist(); | |
1016 | ||
1017 | if (Transformed == "../project/experimental") | |
1018 | { | |
1019 | Transformed = "experimental"; | |
1020 | } | |
1021 | ||
1022 | string::size_type pos = Transformed.rfind('/'); | |
1023 | if (pos != string::npos) | |
1024 | { | |
1025 | Transformed = Transformed.substr(0, pos); | |
1026 | } | |
1027 | ||
1028 | if (Transformed == ".") | |
1029 | { | |
1030 | Transformed = ""; | |
1031 | } | |
1032 | ||
1033 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1034 | { | |
1035 | std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl; | |
1036 | std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl; | |
1037 | std::cerr << "Transformed Dist: " << Transformed << std::endl; | |
1038 | } | |
1039 | ||
1040 | if (MetaIndexParser->CheckDist(Transformed) == false) | |
1041 | { | |
1042 | // This might become fatal one day | |
1043 | // Status = StatAuthError; | |
1044 | // ErrorText = "Conflicting distribution; expected " | |
1045 | // + MetaIndexParser->GetExpectedDist() + " but got " | |
1046 | // + MetaIndexParser->GetDist(); | |
1047 | // return false; | |
1048 | if (!Transformed.empty()) | |
1049 | { | |
1050 | _error->Warning("Conflicting distribution: %s (expected %s but got %s)", | |
1051 | Desc.Description.c_str(), | |
1052 | Transformed.c_str(), | |
1053 | MetaIndexParser->GetDist().c_str()); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | return true; | |
1058 | } | |
1059 | /*}}}*/ | |
1060 | // pkgAcqMetaIndex::Failed - no Release file present or no signature | |
1061 | // file present /*{{{*/ | |
1062 | // --------------------------------------------------------------------- | |
1063 | /* */ | |
1064 | void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1065 | { | |
1066 | if (AuthPass == true) | |
1067 | { | |
1068 | // gpgv method failed | |
1069 | _error->Warning("GPG error: %s: %s", | |
1070 | Desc.Description.c_str(), | |
1071 | LookupTag(Message,"Message").c_str()); | |
1072 | } | |
1073 | ||
1074 | // No Release file was present, or verification failed, so fall | |
1075 | // back to queueing Packages files without verification | |
1076 | QueueIndexes(false); | |
1077 | } | |
1078 | ||
681d76d0 | 1079 | /*}}}*/ |
03e39e59 AL |
1080 | |
1081 | // AcqArchive::AcqArchive - Constructor /*{{{*/ | |
1082 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1083 | /* This just sets up the initial fetch environment and queues the first |
1084 | possibilitiy */ | |
03e39e59 | 1085 | pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, |
30e1eab5 AL |
1086 | pkgRecords *Recs,pkgCache::VerIterator const &Version, |
1087 | string &StoreFilename) : | |
1088 | Item(Owner), Version(Version), Sources(Sources), Recs(Recs), | |
b3d44315 MV |
1089 | StoreFilename(StoreFilename), Vf(Version.FileList()), |
1090 | Trusted(false) | |
03e39e59 | 1091 | { |
7d8afa39 | 1092 | Retries = _config->FindI("Acquire::Retries",0); |
813c8eea AL |
1093 | |
1094 | if (Version.Arch() == 0) | |
bdae53f1 | 1095 | { |
d1f1f6a8 | 1096 | _error->Error(_("I wasn't able to locate a file for the %s package. " |
7a3c2ab0 AL |
1097 | "This might mean you need to manually fix this package. " |
1098 | "(due to missing arch)"), | |
813c8eea | 1099 | Version.ParentPkg().Name()); |
bdae53f1 AL |
1100 | return; |
1101 | } | |
813c8eea | 1102 | |
b2e465d6 AL |
1103 | /* We need to find a filename to determine the extension. We make the |
1104 | assumption here that all the available sources for this version share | |
1105 | the same extension.. */ | |
1106 | // Skip not source sources, they do not have file fields. | |
1107 | for (; Vf.end() == false; Vf++) | |
1108 | { | |
1109 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1110 | continue; | |
1111 | break; | |
1112 | } | |
1113 | ||
1114 | // Does not really matter here.. we are going to fail out below | |
1115 | if (Vf.end() != true) | |
1116 | { | |
1117 | // If this fails to get a file name we will bomb out below. | |
1118 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1119 | if (_error->PendingError() == true) | |
1120 | return; | |
1121 | ||
1122 | // Generate the final file name as: package_version_arch.foo | |
1123 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + | |
1124 | QuoteString(Version.VerStr(),"_:") + '_' + | |
1125 | QuoteString(Version.Arch(),"_:.") + | |
1126 | "." + flExtension(Parse.FileName()); | |
1127 | } | |
b3d44315 MV |
1128 | |
1129 | // check if we have one trusted source for the package. if so, switch | |
1130 | // to "TrustedOnly" mode | |
1131 | for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; i++) | |
1132 | { | |
1133 | pkgIndexFile *Index; | |
1134 | if (Sources->FindIndex(i.File(),Index) == false) | |
1135 | continue; | |
1136 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1137 | { | |
1138 | std::cerr << "Checking index: " << Index->Describe() | |
1139 | << "(Trusted=" << Index->IsTrusted() << ")\n"; | |
1140 | } | |
1141 | if (Index->IsTrusted()) { | |
1142 | Trusted = true; | |
1143 | break; | |
1144 | } | |
1145 | } | |
1146 | ||
03e39e59 | 1147 | // Select a source |
b185acc2 | 1148 | if (QueueNext() == false && _error->PendingError() == false) |
b2e465d6 AL |
1149 | _error->Error(_("I wasn't able to locate file for the %s package. " |
1150 | "This might mean you need to manually fix this package."), | |
b185acc2 AL |
1151 | Version.ParentPkg().Name()); |
1152 | } | |
1153 | /*}}}*/ | |
1154 | // AcqArchive::QueueNext - Queue the next file source /*{{{*/ | |
1155 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1156 | /* This queues the next available file version for download. It checks if |
1157 | the archive is already available in the cache and stashs the MD5 for | |
1158 | checking later. */ | |
b185acc2 | 1159 | bool pkgAcqArchive::QueueNext() |
b2e465d6 | 1160 | { |
03e39e59 AL |
1161 | for (; Vf.end() == false; Vf++) |
1162 | { | |
1163 | // Ignore not source sources | |
1164 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1165 | continue; | |
1166 | ||
1167 | // Try to cross match against the source list | |
b2e465d6 AL |
1168 | pkgIndexFile *Index; |
1169 | if (Sources->FindIndex(Vf.File(),Index) == false) | |
1170 | continue; | |
03e39e59 | 1171 | |
b3d44315 MV |
1172 | // only try to get a trusted package from another source if that source |
1173 | // is also trusted | |
1174 | if(Trusted && !Index->IsTrusted()) | |
1175 | continue; | |
1176 | ||
03e39e59 AL |
1177 | // Grab the text package record |
1178 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1179 | if (_error->PendingError() == true) | |
b185acc2 | 1180 | return false; |
03e39e59 | 1181 | |
b2e465d6 | 1182 | string PkgFile = Parse.FileName(); |
03e39e59 AL |
1183 | MD5 = Parse.MD5Hash(); |
1184 | if (PkgFile.empty() == true) | |
b2e465d6 AL |
1185 | return _error->Error(_("The package index files are corrupted. No Filename: " |
1186 | "field for package %s."), | |
1187 | Version.ParentPkg().Name()); | |
a6568219 | 1188 | |
b3d44315 MV |
1189 | Desc.URI = Index->ArchiveURI(PkgFile); |
1190 | Desc.Description = Index->ArchiveInfo(Version); | |
1191 | Desc.Owner = this; | |
1192 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
1193 | ||
17caf1b1 | 1194 | // See if we already have the file. (Legacy filenames) |
a6568219 AL |
1195 | FileSize = Version->Size; |
1196 | string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); | |
1197 | struct stat Buf; | |
1198 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
1199 | { | |
1200 | // Make sure the size matches | |
1201 | if ((unsigned)Buf.st_size == Version->Size) | |
1202 | { | |
1203 | Complete = true; | |
1204 | Local = true; | |
1205 | Status = StatDone; | |
30e1eab5 | 1206 | StoreFilename = DestFile = FinalFile; |
b185acc2 | 1207 | return true; |
a6568219 AL |
1208 | } |
1209 | ||
6b1ff003 AL |
1210 | /* Hmm, we have a file and its size does not match, this means it is |
1211 | an old style mismatched arch */ | |
a6568219 AL |
1212 | unlink(FinalFile.c_str()); |
1213 | } | |
17caf1b1 AL |
1214 | |
1215 | // Check it again using the new style output filenames | |
1216 | FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); | |
1217 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
1218 | { | |
1219 | // Make sure the size matches | |
1220 | if ((unsigned)Buf.st_size == Version->Size) | |
1221 | { | |
1222 | Complete = true; | |
1223 | Local = true; | |
1224 | Status = StatDone; | |
1225 | StoreFilename = DestFile = FinalFile; | |
1226 | return true; | |
1227 | } | |
1228 | ||
1229 | /* Hmm, we have a file and its size does not match, this shouldnt | |
1230 | happen.. */ | |
1231 | unlink(FinalFile.c_str()); | |
1232 | } | |
1233 | ||
1234 | DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); | |
6b1ff003 AL |
1235 | |
1236 | // Check the destination file | |
1237 | if (stat(DestFile.c_str(),&Buf) == 0) | |
1238 | { | |
1239 | // Hmm, the partial file is too big, erase it | |
1240 | if ((unsigned)Buf.st_size > Version->Size) | |
1241 | unlink(DestFile.c_str()); | |
1242 | else | |
1243 | PartialSize = Buf.st_size; | |
1244 | } | |
1245 | ||
03e39e59 | 1246 | // Create the item |
b2e465d6 AL |
1247 | Local = false; |
1248 | Desc.URI = Index->ArchiveURI(PkgFile); | |
1249 | Desc.Description = Index->ArchiveInfo(Version); | |
03e39e59 AL |
1250 | Desc.Owner = this; |
1251 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
1252 | QueueURI(Desc); | |
b185acc2 AL |
1253 | |
1254 | Vf++; | |
1255 | return true; | |
03e39e59 | 1256 | } |
b185acc2 AL |
1257 | return false; |
1258 | } | |
03e39e59 AL |
1259 | /*}}}*/ |
1260 | // AcqArchive::Done - Finished fetching /*{{{*/ | |
1261 | // --------------------------------------------------------------------- | |
1262 | /* */ | |
459681d3 AL |
1263 | void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash, |
1264 | pkgAcquire::MethodConfig *Cfg) | |
03e39e59 | 1265 | { |
459681d3 | 1266 | Item::Done(Message,Size,Md5Hash,Cfg); |
03e39e59 AL |
1267 | |
1268 | // Check the size | |
1269 | if (Size != Version->Size) | |
1270 | { | |
bdae53f1 | 1271 | Status = StatError; |
b2e465d6 | 1272 | ErrorText = _("Size mismatch"); |
03e39e59 AL |
1273 | return; |
1274 | } | |
1275 | ||
1276 | // Check the md5 | |
1277 | if (Md5Hash.empty() == false && MD5.empty() == false) | |
1278 | { | |
1279 | if (Md5Hash != MD5) | |
1280 | { | |
bdae53f1 | 1281 | Status = StatError; |
b2e465d6 | 1282 | ErrorText = _("MD5Sum mismatch"); |
9978c7b0 | 1283 | Rename(DestFile,DestFile + ".FAILED"); |
03e39e59 AL |
1284 | return; |
1285 | } | |
1286 | } | |
a6568219 AL |
1287 | |
1288 | // Grab the output filename | |
03e39e59 AL |
1289 | string FileName = LookupTag(Message,"Filename"); |
1290 | if (FileName.empty() == true) | |
1291 | { | |
1292 | Status = StatError; | |
1293 | ErrorText = "Method gave a blank filename"; | |
1294 | return; | |
1295 | } | |
a6568219 AL |
1296 | |
1297 | Complete = true; | |
30e1eab5 AL |
1298 | |
1299 | // Reference filename | |
a6568219 AL |
1300 | if (FileName != DestFile) |
1301 | { | |
30e1eab5 | 1302 | StoreFilename = DestFile = FileName; |
a6568219 AL |
1303 | Local = true; |
1304 | return; | |
1305 | } | |
1306 | ||
1307 | // Done, move it into position | |
1308 | string FinalFile = _config->FindDir("Dir::Cache::Archives"); | |
17caf1b1 | 1309 | FinalFile += flNotDir(StoreFilename); |
a6568219 | 1310 | Rename(DestFile,FinalFile); |
03e39e59 | 1311 | |
30e1eab5 | 1312 | StoreFilename = DestFile = FinalFile; |
03e39e59 AL |
1313 | Complete = true; |
1314 | } | |
1315 | /*}}}*/ | |
db890fdb AL |
1316 | // AcqArchive::Failed - Failure handler /*{{{*/ |
1317 | // --------------------------------------------------------------------- | |
1318 | /* Here we try other sources */ | |
7d8afa39 | 1319 | void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
db890fdb AL |
1320 | { |
1321 | ErrorText = LookupTag(Message,"Message"); | |
b2e465d6 AL |
1322 | |
1323 | /* We don't really want to retry on failed media swaps, this prevents | |
1324 | that. An interesting observation is that permanent failures are not | |
1325 | recorded. */ | |
1326 | if (Cnf->Removable == true && | |
1327 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1328 | { | |
1329 | // Vf = Version.FileList(); | |
1330 | while (Vf.end() == false) Vf++; | |
1331 | StoreFilename = string(); | |
1332 | Item::Failed(Message,Cnf); | |
1333 | return; | |
1334 | } | |
1335 | ||
db890fdb | 1336 | if (QueueNext() == false) |
7d8afa39 AL |
1337 | { |
1338 | // This is the retry counter | |
1339 | if (Retries != 0 && | |
1340 | Cnf->LocalOnly == false && | |
1341 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1342 | { | |
1343 | Retries--; | |
1344 | Vf = Version.FileList(); | |
1345 | if (QueueNext() == true) | |
1346 | return; | |
1347 | } | |
1348 | ||
9dbb421f | 1349 | StoreFilename = string(); |
7d8afa39 AL |
1350 | Item::Failed(Message,Cnf); |
1351 | } | |
db890fdb AL |
1352 | } |
1353 | /*}}}*/ | |
b3d44315 MV |
1354 | // AcqArchive::IsTrusted - Determine whether this archive comes from a |
1355 | // trusted source /*{{{*/ | |
1356 | // --------------------------------------------------------------------- | |
1357 | bool pkgAcqArchive::IsTrusted() | |
1358 | { | |
1359 | return Trusted; | |
1360 | } | |
1361 | ||
ab559b35 AL |
1362 | // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ |
1363 | // --------------------------------------------------------------------- | |
1364 | /* */ | |
1365 | void pkgAcqArchive::Finished() | |
1366 | { | |
1367 | if (Status == pkgAcquire::Item::StatDone && | |
1368 | Complete == true) | |
1369 | return; | |
1370 | StoreFilename = string(); | |
1371 | } | |
1372 | /*}}}*/ | |
36375005 AL |
1373 | |
1374 | // AcqFile::pkgAcqFile - Constructor /*{{{*/ | |
1375 | // --------------------------------------------------------------------- | |
1376 | /* The file is added to the queue */ | |
1377 | pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5, | |
1378 | unsigned long Size,string Dsc,string ShortDesc) : | |
b3c39978 | 1379 | Item(Owner), Md5Hash(MD5) |
36375005 | 1380 | { |
08cfc005 AL |
1381 | Retries = _config->FindI("Acquire::Retries",0); |
1382 | ||
36375005 AL |
1383 | DestFile = flNotDir(URI); |
1384 | ||
1385 | // Create the item | |
1386 | Desc.URI = URI; | |
1387 | Desc.Description = Dsc; | |
1388 | Desc.Owner = this; | |
1389 | ||
1390 | // Set the short description to the archive component | |
1391 | Desc.ShortDesc = ShortDesc; | |
1392 | ||
1393 | // Get the transfer sizes | |
1394 | FileSize = Size; | |
1395 | struct stat Buf; | |
1396 | if (stat(DestFile.c_str(),&Buf) == 0) | |
1397 | { | |
1398 | // Hmm, the partial file is too big, erase it | |
1399 | if ((unsigned)Buf.st_size > Size) | |
1400 | unlink(DestFile.c_str()); | |
1401 | else | |
1402 | PartialSize = Buf.st_size; | |
1403 | } | |
1404 | ||
1405 | QueueURI(Desc); | |
1406 | } | |
1407 | /*}}}*/ | |
1408 | // AcqFile::Done - Item downloaded OK /*{{{*/ | |
1409 | // --------------------------------------------------------------------- | |
1410 | /* */ | |
459681d3 AL |
1411 | void pkgAcqFile::Done(string Message,unsigned long Size,string MD5, |
1412 | pkgAcquire::MethodConfig *Cnf) | |
36375005 | 1413 | { |
b3c39978 AL |
1414 | // Check the md5 |
1415 | if (Md5Hash.empty() == false && MD5.empty() == false) | |
1416 | { | |
1417 | if (Md5Hash != MD5) | |
1418 | { | |
1419 | Status = StatError; | |
1420 | ErrorText = "MD5Sum mismatch"; | |
1421 | Rename(DestFile,DestFile + ".FAILED"); | |
1422 | return; | |
1423 | } | |
1424 | } | |
1425 | ||
459681d3 | 1426 | Item::Done(Message,Size,MD5,Cnf); |
36375005 AL |
1427 | |
1428 | string FileName = LookupTag(Message,"Filename"); | |
1429 | if (FileName.empty() == true) | |
1430 | { | |
1431 | Status = StatError; | |
1432 | ErrorText = "Method gave a blank filename"; | |
1433 | return; | |
1434 | } | |
1435 | ||
1436 | Complete = true; | |
1437 | ||
1438 | // The files timestamp matches | |
1439 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
1440 | return; | |
1441 | ||
1442 | // We have to copy it into place | |
1443 | if (FileName != DestFile) | |
1444 | { | |
1445 | Local = true; | |
459681d3 AL |
1446 | if (_config->FindB("Acquire::Source-Symlinks",true) == false || |
1447 | Cnf->Removable == true) | |
917ae805 AL |
1448 | { |
1449 | Desc.URI = "copy:" + FileName; | |
1450 | QueueURI(Desc); | |
1451 | return; | |
1452 | } | |
1453 | ||
83ab33fc AL |
1454 | // Erase the file if it is a symlink so we can overwrite it |
1455 | struct stat St; | |
1456 | if (lstat(DestFile.c_str(),&St) == 0) | |
1457 | { | |
1458 | if (S_ISLNK(St.st_mode) != 0) | |
1459 | unlink(DestFile.c_str()); | |
1460 | } | |
1461 | ||
1462 | // Symlink the file | |
917ae805 AL |
1463 | if (symlink(FileName.c_str(),DestFile.c_str()) != 0) |
1464 | { | |
83ab33fc | 1465 | ErrorText = "Link to " + DestFile + " failure "; |
917ae805 AL |
1466 | Status = StatError; |
1467 | Complete = false; | |
1468 | } | |
36375005 AL |
1469 | } |
1470 | } | |
1471 | /*}}}*/ | |
08cfc005 AL |
1472 | // AcqFile::Failed - Failure handler /*{{{*/ |
1473 | // --------------------------------------------------------------------- | |
1474 | /* Here we try other sources */ | |
1475 | void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1476 | { | |
1477 | ErrorText = LookupTag(Message,"Message"); | |
1478 | ||
1479 | // This is the retry counter | |
1480 | if (Retries != 0 && | |
1481 | Cnf->LocalOnly == false && | |
1482 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1483 | { | |
1484 | Retries--; | |
1485 | QueueURI(Desc); | |
1486 | return; | |
1487 | } | |
1488 | ||
1489 | Item::Failed(Message,Cnf); | |
1490 | } | |
1491 | /*}}}*/ |