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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 /*{{{*/ | |
0118833a AL |
16 | #include <apt-pkg/acquire-item.h> |
17 | #include <apt-pkg/configuration.h> | |
b2e465d6 | 18 | #include <apt-pkg/sourcelist.h> |
b3d44315 | 19 | #include <apt-pkg/vendorlist.h> |
03e39e59 | 20 | #include <apt-pkg/error.h> |
cdcc6d34 | 21 | #include <apt-pkg/strutl.h> |
36375005 | 22 | #include <apt-pkg/fileutl.h> |
b3d44315 | 23 | #include <apt-pkg/md5.h> |
ac5b205a MV |
24 | #include <apt-pkg/sha1.h> |
25 | #include <apt-pkg/tagfile.h> | |
0a8a80e5 | 26 | |
b2e465d6 AL |
27 | #include <apti18n.h> |
28 | ||
0a8a80e5 AL |
29 | #include <sys/stat.h> |
30 | #include <unistd.h> | |
c88edf1d | 31 | #include <errno.h> |
5819a761 | 32 | #include <string> |
ac5b205a | 33 | #include <sstream> |
c88edf1d | 34 | #include <stdio.h> |
0118833a AL |
35 | /*}}}*/ |
36 | ||
b3d44315 | 37 | using namespace std; |
5819a761 | 38 | |
0118833a AL |
39 | // Acquire::Item::Item - Constructor /*{{{*/ |
40 | // --------------------------------------------------------------------- | |
41 | /* */ | |
8267fe24 | 42 | pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), |
6b1ff003 AL |
43 | PartialSize(0), Mode(0), ID(0), Complete(false), |
44 | Local(false), QueueCounter(0) | |
0118833a AL |
45 | { |
46 | Owner->Add(this); | |
c88edf1d | 47 | Status = StatIdle; |
0118833a AL |
48 | } |
49 | /*}}}*/ | |
50 | // Acquire::Item::~Item - Destructor /*{{{*/ | |
51 | // --------------------------------------------------------------------- | |
52 | /* */ | |
53 | pkgAcquire::Item::~Item() | |
54 | { | |
55 | Owner->Remove(this); | |
56 | } | |
57 | /*}}}*/ | |
c88edf1d AL |
58 | // Acquire::Item::Failed - Item failed to download /*{{{*/ |
59 | // --------------------------------------------------------------------- | |
93bf083d AL |
60 | /* We return to an idle state if there are still other queues that could |
61 | fetch this object */ | |
7d8afa39 | 62 | void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
c88edf1d | 63 | { |
93bf083d | 64 | Status = StatIdle; |
db890fdb | 65 | ErrorText = LookupTag(Message,"Message"); |
361593e9 | 66 | UsedMirror = LookupTag(Message,"UsedMirror"); |
c88edf1d | 67 | if (QueueCounter <= 1) |
93bf083d | 68 | { |
a72ace20 | 69 | /* This indicates that the file is not available right now but might |
7d8afa39 | 70 | be sometime later. If we do a retry cycle then this should be |
17caf1b1 | 71 | retried [CDROMs] */ |
7d8afa39 AL |
72 | if (Cnf->LocalOnly == true && |
73 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
a72ace20 AL |
74 | { |
75 | Status = StatIdle; | |
681d76d0 | 76 | Dequeue(); |
a72ace20 AL |
77 | return; |
78 | } | |
7e5f33eb | 79 | |
93bf083d | 80 | Status = StatError; |
681d76d0 | 81 | Dequeue(); |
93bf083d | 82 | } |
36280399 MV |
83 | |
84 | // report mirror failure back to LP if we actually use a mirror | |
f0b509cd MV |
85 | string FailReason = LookupTag(Message, "FailReason"); |
86 | if(FailReason.size() != 0) | |
87 | ReportMirrorFailure(FailReason); | |
88 | else | |
89 | ReportMirrorFailure(ErrorText); | |
c88edf1d AL |
90 | } |
91 | /*}}}*/ | |
8267fe24 AL |
92 | // Acquire::Item::Start - Item has begun to download /*{{{*/ |
93 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
94 | /* Stash status and the file size. Note that setting Complete means |
95 | sub-phases of the acquire process such as decompresion are operating */ | |
727f18af | 96 | void pkgAcquire::Item::Start(string /*Message*/,unsigned long Size) |
8267fe24 AL |
97 | { |
98 | Status = StatFetching; | |
99 | if (FileSize == 0 && Complete == false) | |
100 | FileSize = Size; | |
101 | } | |
102 | /*}}}*/ | |
c88edf1d AL |
103 | // Acquire::Item::Done - Item downloaded OK /*{{{*/ |
104 | // --------------------------------------------------------------------- | |
105 | /* */ | |
495e5cb2 | 106 | void pkgAcquire::Item::Done(string Message,unsigned long Size,string Hash, |
459681d3 | 107 | pkgAcquire::MethodConfig *Cnf) |
c88edf1d | 108 | { |
b98f2859 AL |
109 | // We just downloaded something.. |
110 | string FileName = LookupTag(Message,"Filename"); | |
36280399 | 111 | UsedMirror = LookupTag(Message,"UsedMirror"); |
8f30ca30 | 112 | if (Complete == false && !Local && FileName == DestFile) |
b98f2859 AL |
113 | { |
114 | if (Owner->Log != 0) | |
115 | Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str())); | |
116 | } | |
aa0e1101 AL |
117 | |
118 | if (FileSize == 0) | |
119 | FileSize= Size; | |
c88edf1d AL |
120 | Status = StatDone; |
121 | ErrorText = string(); | |
122 | Owner->Dequeue(this); | |
123 | } | |
124 | /*}}}*/ | |
8b89e57f AL |
125 | // Acquire::Item::Rename - Rename a file /*{{{*/ |
126 | // --------------------------------------------------------------------- | |
127 | /* This helper function is used by alot of item methods as thier final | |
128 | step */ | |
129 | void pkgAcquire::Item::Rename(string From,string To) | |
130 | { | |
131 | if (rename(From.c_str(),To.c_str()) != 0) | |
132 | { | |
133 | char S[300]; | |
0fcd01de | 134 | snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno), |
8b89e57f AL |
135 | From.c_str(),To.c_str()); |
136 | Status = StatError; | |
137 | ErrorText = S; | |
7a3c2ab0 | 138 | } |
8b89e57f AL |
139 | } |
140 | /*}}}*/ | |
0118833a | 141 | |
36280399 MV |
142 | void pkgAcquire::Item::ReportMirrorFailure(string FailCode) |
143 | { | |
59271f62 MV |
144 | // we only act if a mirror was used at all |
145 | if(UsedMirror.empty()) | |
146 | return; | |
36280399 MV |
147 | #if 0 |
148 | std::cerr << "\nReportMirrorFailure: " | |
149 | << UsedMirror | |
59271f62 | 150 | << " Uri: " << DescURI() |
36280399 MV |
151 | << " FailCode: " |
152 | << FailCode << std::endl; | |
153 | #endif | |
154 | const char *Args[40]; | |
155 | unsigned int i = 0; | |
156 | string report = _config->Find("Methods::Mirror::ProblemReporting", | |
3f599bb7 | 157 | "/usr/lib/apt/apt-report-mirror-failure"); |
36280399 MV |
158 | if(!FileExists(report)) |
159 | return; | |
160 | Args[i++] = report.c_str(); | |
161 | Args[i++] = UsedMirror.c_str(); | |
f0b509cd | 162 | Args[i++] = DescURI().c_str(); |
36280399 | 163 | Args[i++] = FailCode.c_str(); |
361593e9 | 164 | Args[i++] = NULL; |
36280399 MV |
165 | pid_t pid = ExecFork(); |
166 | if(pid < 0) | |
167 | { | |
168 | _error->Error("ReportMirrorFailure Fork failed"); | |
169 | return; | |
170 | } | |
171 | else if(pid == 0) | |
172 | { | |
361593e9 MV |
173 | execvp(Args[0], (char**)Args); |
174 | std::cerr << "Could not exec " << Args[0] << std::endl; | |
175 | _exit(100); | |
36280399 MV |
176 | } |
177 | if(!ExecWait(pid, "report-mirror-failure")) | |
178 | { | |
179 | _error->Warning("Couldn't report problem to '%s'", | |
361593e9 | 180 | _config->Find("Methods::Mirror::ProblemReporting").c_str()); |
36280399 MV |
181 | } |
182 | } | |
183 | ||
184 | ||
2237bd01 MV |
185 | |
186 | // AcqDiffIndex::AcqDiffIndex - Constructor | |
ac5b205a | 187 | // --------------------------------------------------------------------- |
2237bd01 MV |
188 | /* Get the DiffIndex file first and see if there are patches availabe |
189 | * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the | |
190 | * patches. If anything goes wrong in that process, it will fall back to | |
191 | * the original packages file | |
ac5b205a | 192 | */ |
2237bd01 MV |
193 | pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, |
194 | string URI,string URIDesc,string ShortDesc, | |
495e5cb2 MV |
195 | HashString ExpectedHash) |
196 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), | |
197 | Description(URIDesc) | |
ac5b205a MV |
198 | { |
199 | ||
ac5b205a MV |
200 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); |
201 | ||
2237bd01 | 202 | Desc.Description = URIDesc + "/DiffIndex"; |
ac5b205a MV |
203 | Desc.Owner = this; |
204 | Desc.ShortDesc = ShortDesc; | |
2237bd01 MV |
205 | Desc.URI = URI + ".diff/Index"; |
206 | ||
207 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
208 | DestFile += URItoFileName(URI) + string(".DiffIndex"); | |
209 | ||
210 | if(Debug) | |
211 | std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl; | |
ac5b205a | 212 | |
2237bd01 | 213 | // look for the current package file |
ac5b205a MV |
214 | CurrentPackagesFile = _config->FindDir("Dir::State::lists"); |
215 | CurrentPackagesFile += URItoFileName(RealURI); | |
216 | ||
b4e57d2d MV |
217 | // FIXME: this file:/ check is a hack to prevent fetching |
218 | // from local sources. this is really silly, and | |
219 | // should be fixed cleanly as soon as possible | |
ac5b205a | 220 | if(!FileExists(CurrentPackagesFile) || |
81fcf9e2 | 221 | Desc.URI.substr(0,strlen("file:/")) == "file:/") |
2ac3eeb6 | 222 | { |
ac5b205a MV |
223 | // we don't have a pkg file or we don't want to queue |
224 | if(Debug) | |
b4e57d2d | 225 | std::clog << "No index file, local or canceld by user" << std::endl; |
ac5b205a MV |
226 | Failed("", NULL); |
227 | return; | |
228 | } | |
229 | ||
2ac3eeb6 | 230 | if(Debug) |
2237bd01 MV |
231 | std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): " |
232 | << CurrentPackagesFile << std::endl; | |
2ac3eeb6 | 233 | |
ac5b205a | 234 | QueueURI(Desc); |
2237bd01 | 235 | |
ac5b205a MV |
236 | } |
237 | ||
6cb30d01 MV |
238 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
239 | // --------------------------------------------------------------------- | |
240 | /* The only header we use is the last-modified header. */ | |
2237bd01 | 241 | string pkgAcqDiffIndex::Custom600Headers() |
6cb30d01 | 242 | { |
6cb30d01 MV |
243 | string Final = _config->FindDir("Dir::State::lists"); |
244 | Final += URItoFileName(RealURI) + string(".IndexDiff"); | |
245 | ||
246 | if(Debug) | |
247 | std::clog << "Custom600Header-IMS: " << Final << std::endl; | |
248 | ||
249 | struct stat Buf; | |
250 | if (stat(Final.c_str(),&Buf) != 0) | |
251 | return "\nIndex-File: true"; | |
252 | ||
253 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
254 | } | |
255 | ||
2237bd01 MV |
256 | |
257 | bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) | |
258 | { | |
259 | if(Debug) | |
260 | std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile | |
261 | << std::endl; | |
262 | ||
263 | pkgTagSection Tags; | |
264 | string ServerSha1; | |
265 | vector<DiffInfo> available_patches; | |
266 | ||
267 | FileFd Fd(IndexDiffFile,FileFd::ReadOnly); | |
268 | pkgTagFile TF(&Fd); | |
269 | if (_error->PendingError() == true) | |
270 | return false; | |
271 | ||
272 | if(TF.Step(Tags) == true) | |
273 | { | |
274 | string local_sha1; | |
002d9943 MV |
275 | bool found = false; |
276 | DiffInfo d; | |
277 | string size; | |
278 | ||
2237bd01 MV |
279 | string tmp = Tags.FindS("SHA1-Current"); |
280 | std::stringstream ss(tmp); | |
281 | ss >> ServerSha1; | |
282 | ||
283 | FileFd fd(CurrentPackagesFile, FileFd::ReadOnly); | |
284 | SHA1Summation SHA1; | |
285 | SHA1.AddFD(fd.Fd(), fd.Size()); | |
286 | local_sha1 = string(SHA1.Result()); | |
287 | ||
2ac3eeb6 MV |
288 | if(local_sha1 == ServerSha1) |
289 | { | |
290 | // we have the same sha1 as the server | |
2237bd01 MV |
291 | if(Debug) |
292 | std::clog << "Package file is up-to-date" << std::endl; | |
002d9943 MV |
293 | // set found to true, this will queue a pkgAcqIndexDiffs with |
294 | // a empty availabe_patches | |
295 | found = true; | |
2ac3eeb6 MV |
296 | } |
297 | else | |
298 | { | |
002d9943 MV |
299 | if(Debug) |
300 | std::clog << "SHA1-Current: " << ServerSha1 << std::endl; | |
301 | ||
302 | // check the historie and see what patches we need | |
303 | string history = Tags.FindS("SHA1-History"); | |
304 | std::stringstream hist(history); | |
2ac3eeb6 MV |
305 | while(hist >> d.sha1 >> size >> d.file) |
306 | { | |
002d9943 MV |
307 | d.size = atoi(size.c_str()); |
308 | // read until the first match is found | |
309 | if(d.sha1 == local_sha1) | |
310 | found=true; | |
311 | // from that point on, we probably need all diffs | |
2ac3eeb6 MV |
312 | if(found) |
313 | { | |
002d9943 MV |
314 | if(Debug) |
315 | std::clog << "Need to get diff: " << d.file << std::endl; | |
316 | available_patches.push_back(d); | |
317 | } | |
2237bd01 MV |
318 | } |
319 | } | |
320 | ||
05aab406 MV |
321 | // we have something, queue the next diff |
322 | if(found) | |
2ac3eeb6 | 323 | { |
2237bd01 | 324 | // queue the diffs |
495e5cb2 | 325 | string::size_type last_space = Description.rfind(" "); |
05aab406 MV |
326 | if(last_space != string::npos) |
327 | Description.erase(last_space, Description.size()-last_space); | |
2237bd01 | 328 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, |
495e5cb2 | 329 | ExpectedHash, available_patches); |
2237bd01 MV |
330 | Complete = false; |
331 | Status = StatDone; | |
332 | Dequeue(); | |
333 | return true; | |
334 | } | |
335 | } | |
05aab406 MV |
336 | |
337 | // Nothing found, report and return false | |
338 | // Failing here is ok, if we return false later, the full | |
339 | // IndexFile is queued | |
340 | if(Debug) | |
341 | std::clog << "Can't find a patch in the index file" << std::endl; | |
2237bd01 MV |
342 | return false; |
343 | } | |
344 | ||
345 | void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
346 | { | |
347 | if(Debug) | |
348 | std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl | |
349 | << "Falling back to normal index file aquire" << std::endl; | |
350 | ||
002d9943 | 351 | new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc, |
495e5cb2 | 352 | ExpectedHash); |
2237bd01 MV |
353 | |
354 | Complete = false; | |
355 | Status = StatDone; | |
356 | Dequeue(); | |
357 | } | |
358 | ||
359 | void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash, | |
360 | pkgAcquire::MethodConfig *Cnf) | |
361 | { | |
362 | if(Debug) | |
363 | std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl; | |
364 | ||
365 | Item::Done(Message,Size,Md5Hash,Cnf); | |
366 | ||
367 | string FinalFile; | |
368 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
369 | ||
370 | // sucess in downloading the index | |
371 | // rename the index | |
372 | FinalFile += string(".IndexDiff"); | |
373 | if(Debug) | |
374 | std::clog << "Renaming: " << DestFile << " -> " << FinalFile | |
375 | << std::endl; | |
376 | Rename(DestFile,FinalFile); | |
377 | chmod(FinalFile.c_str(),0644); | |
378 | DestFile = FinalFile; | |
379 | ||
380 | if(!ParseDiffIndex(DestFile)) | |
381 | return Failed("", NULL); | |
382 | ||
383 | Complete = true; | |
384 | Status = StatDone; | |
385 | Dequeue(); | |
386 | return; | |
387 | } | |
388 | ||
389 | ||
390 | ||
391 | // AcqIndexDiffs::AcqIndexDiffs - Constructor | |
392 | // --------------------------------------------------------------------- | |
393 | /* The package diff is added to the queue. one object is constructed | |
394 | * for each diff and the index | |
395 | */ | |
396 | pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, | |
397 | string URI,string URIDesc,string ShortDesc, | |
495e5cb2 MV |
398 | HashString ExpectedMD5, |
399 | vector<DiffInfo> diffs) | |
400 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), | |
2237bd01 MV |
401 | available_patches(diffs) |
402 | { | |
403 | ||
404 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
405 | DestFile += URItoFileName(URI); | |
406 | ||
407 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); | |
408 | ||
05aab406 | 409 | Description = URIDesc; |
2237bd01 MV |
410 | Desc.Owner = this; |
411 | Desc.ShortDesc = ShortDesc; | |
412 | ||
2ac3eeb6 MV |
413 | if(available_patches.size() == 0) |
414 | { | |
2237bd01 MV |
415 | // we are done (yeah!) |
416 | Finish(true); | |
2ac3eeb6 MV |
417 | } |
418 | else | |
419 | { | |
2237bd01 MV |
420 | // get the next diff |
421 | State = StateFetchDiff; | |
422 | QueueNextDiff(); | |
423 | } | |
424 | } | |
425 | ||
426 | ||
ac5b205a MV |
427 | void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
428 | { | |
2237bd01 MV |
429 | if(Debug) |
430 | std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl | |
431 | << "Falling back to normal index file aquire" << std::endl; | |
432 | new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, | |
495e5cb2 | 433 | ExpectedHash); |
ac5b205a MV |
434 | Finish(); |
435 | } | |
436 | ||
437 | ||
438 | // helper that cleans the item out of the fetcher queue | |
439 | void pkgAcqIndexDiffs::Finish(bool allDone) | |
440 | { | |
441 | // we restore the original name, this is required, otherwise | |
442 | // the file will be cleaned | |
2ac3eeb6 MV |
443 | if(allDone) |
444 | { | |
ac5b205a MV |
445 | DestFile = _config->FindDir("Dir::State::lists"); |
446 | DestFile += URItoFileName(RealURI); | |
2d4722e2 | 447 | |
495e5cb2 | 448 | if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile)) |
2d4722e2 MV |
449 | { |
450 | Status = StatAuthError; | |
451 | ErrorText = _("MD5Sum mismatch"); | |
452 | Rename(DestFile,DestFile + ".FAILED"); | |
453 | Dequeue(); | |
454 | return; | |
455 | } | |
456 | ||
457 | // this is for the "real" finish | |
ac5b205a | 458 | Complete = true; |
cffc2ddd | 459 | Status = StatDone; |
ac5b205a MV |
460 | Dequeue(); |
461 | if(Debug) | |
462 | std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl; | |
463 | return; | |
ac5b205a MV |
464 | } |
465 | ||
466 | if(Debug) | |
467 | std::clog << "Finishing: " << Desc.URI << std::endl; | |
468 | Complete = false; | |
469 | Status = StatDone; | |
470 | Dequeue(); | |
471 | return; | |
472 | } | |
473 | ||
474 | ||
ac5b205a MV |
475 | |
476 | bool pkgAcqIndexDiffs::QueueNextDiff() | |
477 | { | |
3de9ff77 | 478 | |
94dc9d7d MV |
479 | // calc sha1 of the just patched file |
480 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
481 | FinalFile += URItoFileName(RealURI); | |
482 | ||
483 | FileFd fd(FinalFile, FileFd::ReadOnly); | |
484 | SHA1Summation SHA1; | |
485 | SHA1.AddFD(fd.Fd(), fd.Size()); | |
486 | string local_sha1 = string(SHA1.Result()); | |
3de9ff77 MV |
487 | if(Debug) |
488 | std::clog << "QueueNextDiff: " | |
489 | << FinalFile << " (" << local_sha1 << ")"<<std::endl; | |
94dc9d7d | 490 | |
26d27645 MV |
491 | // remove all patches until the next matching patch is found |
492 | // this requires the Index file to be ordered | |
94dc9d7d | 493 | for(vector<DiffInfo>::iterator I=available_patches.begin(); |
2ac3eeb6 MV |
494 | available_patches.size() > 0 && |
495 | I != available_patches.end() && | |
496 | (*I).sha1 != local_sha1; | |
497 | I++) | |
498 | { | |
26d27645 | 499 | available_patches.erase(I); |
59a704f0 | 500 | } |
94dc9d7d MV |
501 | |
502 | // error checking and falling back if no patch was found | |
2ac3eeb6 MV |
503 | if(available_patches.size() == 0) |
504 | { | |
94dc9d7d MV |
505 | Failed("", NULL); |
506 | return false; | |
507 | } | |
6cb30d01 | 508 | |
94dc9d7d | 509 | // queue the right diff |
2237bd01 | 510 | Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz"; |
05aab406 | 511 | Desc.Description = Description + " " + available_patches[0].file + string(".pdiff"); |
ac5b205a | 512 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
2237bd01 | 513 | DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file); |
ac5b205a MV |
514 | |
515 | if(Debug) | |
516 | std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl; | |
517 | ||
518 | QueueURI(Desc); | |
519 | ||
520 | return true; | |
521 | } | |
522 | ||
ac5b205a MV |
523 | |
524 | ||
525 | void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, | |
526 | pkgAcquire::MethodConfig *Cnf) | |
527 | { | |
528 | if(Debug) | |
529 | std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl; | |
530 | ||
531 | Item::Done(Message,Size,Md5Hash,Cnf); | |
532 | ||
4a0a786f MV |
533 | string FinalFile; |
534 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
6cb30d01 | 535 | |
4a0a786f MV |
536 | // sucess in downloading a diff, enter ApplyDiff state |
537 | if(State == StateFetchDiff) | |
538 | { | |
539 | ||
540 | if(Debug) | |
541 | std::clog << "Sending to gzip method: " << FinalFile << std::endl; | |
542 | ||
543 | string FileName = LookupTag(Message,"Filename"); | |
544 | State = StateUnzipDiff; | |
b7347826 | 545 | Local = true; |
4a0a786f MV |
546 | Desc.URI = "gzip:" + FileName; |
547 | DestFile += ".decomp"; | |
548 | QueueURI(Desc); | |
549 | Mode = "gzip"; | |
550 | return; | |
551 | } | |
552 | ||
553 | // sucess in downloading a diff, enter ApplyDiff state | |
554 | if(State == StateUnzipDiff) | |
555 | { | |
556 | ||
557 | // rred excepts the patch as $FinalFile.ed | |
558 | Rename(DestFile,FinalFile+".ed"); | |
559 | ||
560 | if(Debug) | |
561 | std::clog << "Sending to rred method: " << FinalFile << std::endl; | |
562 | ||
563 | State = StateApplyDiff; | |
b7347826 | 564 | Local = true; |
4a0a786f MV |
565 | Desc.URI = "rred:" + FinalFile; |
566 | QueueURI(Desc); | |
567 | Mode = "rred"; | |
568 | return; | |
569 | } | |
570 | ||
571 | ||
572 | // success in download/apply a diff, queue next (if needed) | |
573 | if(State == StateApplyDiff) | |
574 | { | |
575 | // remove the just applied patch | |
94dc9d7d | 576 | available_patches.erase(available_patches.begin()); |
ac5b205a | 577 | |
4a0a786f | 578 | // move into place |
59a704f0 MV |
579 | if(Debug) |
580 | { | |
4a0a786f MV |
581 | std::clog << "Moving patched file in place: " << std::endl |
582 | << DestFile << " -> " << FinalFile << std::endl; | |
59a704f0 | 583 | } |
4a0a786f | 584 | Rename(DestFile,FinalFile); |
1790e0cf | 585 | chmod(FinalFile.c_str(),0644); |
4a0a786f MV |
586 | |
587 | // see if there is more to download | |
94dc9d7d | 588 | if(available_patches.size() > 0) { |
ac5b205a | 589 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, |
495e5cb2 | 590 | ExpectedHash, available_patches); |
4a0a786f MV |
591 | return Finish(); |
592 | } else | |
593 | return Finish(true); | |
ac5b205a | 594 | } |
ac5b205a MV |
595 | } |
596 | ||
597 | ||
0118833a AL |
598 | // AcqIndex::AcqIndex - Constructor /*{{{*/ |
599 | // --------------------------------------------------------------------- | |
600 | /* The package file is added to the queue and a second class is | |
b2e465d6 AL |
601 | instantiated to fetch the revision file */ |
602 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, | |
b3d44315 | 603 | string URI,string URIDesc,string ShortDesc, |
495e5cb2 MV |
604 | HashString ExpectedHash, string comprExt) |
605 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash) | |
0118833a | 606 | { |
8b89e57f | 607 | Decompression = false; |
bfd22fc0 | 608 | Erase = false; |
13e8426f | 609 | |
0a8a80e5 | 610 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 611 | DestFile += URItoFileName(URI); |
8267fe24 | 612 | |
b3d44315 MV |
613 | if(comprExt.empty()) |
614 | { | |
13e8426f | 615 | // autoselect the compression method |
4577fda2 | 616 | if(FileExists("/bin/bzip2")) |
13e8426f MV |
617 | CompressionExtension = ".bz2"; |
618 | else | |
619 | CompressionExtension = ".gz"; | |
b3d44315 | 620 | } else { |
13e8426f | 621 | CompressionExtension = comprExt; |
b3d44315 | 622 | } |
13e8426f | 623 | Desc.URI = URI + CompressionExtension; |
b3d44315 | 624 | |
b2e465d6 | 625 | Desc.Description = URIDesc; |
8267fe24 | 626 | Desc.Owner = this; |
b2e465d6 | 627 | Desc.ShortDesc = ShortDesc; |
8267fe24 AL |
628 | |
629 | QueueURI(Desc); | |
0118833a AL |
630 | } |
631 | /*}}}*/ | |
0a8a80e5 | 632 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 633 | // --------------------------------------------------------------------- |
0a8a80e5 AL |
634 | /* The only header we use is the last-modified header. */ |
635 | string pkgAcqIndex::Custom600Headers() | |
0118833a | 636 | { |
0a8a80e5 | 637 | string Final = _config->FindDir("Dir::State::lists"); |
b2e465d6 | 638 | Final += URItoFileName(RealURI); |
0a8a80e5 AL |
639 | |
640 | struct stat Buf; | |
641 | if (stat(Final.c_str(),&Buf) != 0) | |
a72ace20 | 642 | return "\nIndex-File: true"; |
a72ace20 | 643 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
0118833a AL |
644 | } |
645 | /*}}}*/ | |
debc84b2 MZ |
646 | |
647 | void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
648 | { | |
649 | // no .bz2 found, retry with .gz | |
46e00f9d | 650 | if(Desc.URI.substr(Desc.URI.size()-3) == "bz2") { |
debc84b2 | 651 | Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; |
b3d44315 MV |
652 | |
653 | // retry with a gzip one | |
654 | new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc, | |
495e5cb2 | 655 | ExpectedHash, string(".gz")); |
b3d44315 MV |
656 | Status = StatDone; |
657 | Complete = false; | |
658 | Dequeue(); | |
debc84b2 | 659 | return; |
17ff0930 MV |
660 | } |
661 | ||
662 | // on decompression failure, remove bad versions in partial/ | |
663 | if(Decompression && Erase) { | |
664 | string s = _config->FindDir("Dir::State::lists") + "partial/"; | |
665 | s += URItoFileName(RealURI); | |
666 | unlink(s.c_str()); | |
debc84b2 MZ |
667 | } |
668 | ||
debc84b2 MZ |
669 | Item::Failed(Message,Cnf); |
670 | } | |
671 | ||
672 | ||
8b89e57f AL |
673 | // AcqIndex::Done - Finished a fetch /*{{{*/ |
674 | // --------------------------------------------------------------------- | |
675 | /* This goes through a number of states.. On the initial fetch the | |
676 | method could possibly return an alternate filename which points | |
677 | to the uncompressed version of the file. If this is so the file | |
678 | is copied into the partial directory. In all other cases the file | |
679 | is decompressed with a gzip uri. */ | |
495e5cb2 | 680 | void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash, |
459681d3 | 681 | pkgAcquire::MethodConfig *Cfg) |
8b89e57f | 682 | { |
495e5cb2 | 683 | Item::Done(Message,Size,Hash,Cfg); |
8b89e57f AL |
684 | |
685 | if (Decompression == true) | |
686 | { | |
b3d44315 MV |
687 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) |
688 | { | |
495e5cb2 MV |
689 | std::cerr << std::endl << RealURI << ": Computed Hash: " << Hash; |
690 | std::cerr << " Expected Hash: " << ExpectedHash.toStr() << std::endl; | |
b3d44315 MV |
691 | } |
692 | ||
8a8feb29 | 693 | if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash) |
b3d44315 MV |
694 | { |
695 | Status = StatAuthError; | |
9498d182 | 696 | ErrorText = _("Hash Sum mismatch"); |
b3d44315 | 697 | Rename(DestFile,DestFile + ".FAILED"); |
59271f62 | 698 | ReportMirrorFailure("HashChecksumFailure"); |
b3d44315 MV |
699 | return; |
700 | } | |
8b89e57f AL |
701 | // Done, move it into position |
702 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
b2e465d6 | 703 | FinalFile += URItoFileName(RealURI); |
8b89e57f | 704 | Rename(DestFile,FinalFile); |
7a3c2ab0 | 705 | chmod(FinalFile.c_str(),0644); |
bfd22fc0 | 706 | |
7a7fa5f0 AL |
707 | /* We restore the original name to DestFile so that the clean operation |
708 | will work OK */ | |
709 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
b2e465d6 | 710 | DestFile += URItoFileName(RealURI); |
7a7fa5f0 | 711 | |
bfd22fc0 AL |
712 | // Remove the compressed version. |
713 | if (Erase == true) | |
bfd22fc0 | 714 | unlink(DestFile.c_str()); |
8b89e57f AL |
715 | return; |
716 | } | |
bfd22fc0 AL |
717 | |
718 | Erase = false; | |
8267fe24 | 719 | Complete = true; |
bfd22fc0 | 720 | |
8b89e57f AL |
721 | // Handle the unzipd case |
722 | string FileName = LookupTag(Message,"Alt-Filename"); | |
723 | if (FileName.empty() == false) | |
724 | { | |
725 | // The files timestamp matches | |
726 | if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) | |
727 | return; | |
8b89e57f | 728 | Decompression = true; |
a6568219 | 729 | Local = true; |
8b89e57f | 730 | DestFile += ".decomp"; |
8267fe24 AL |
731 | Desc.URI = "copy:" + FileName; |
732 | QueueURI(Desc); | |
b98f2859 | 733 | Mode = "copy"; |
8b89e57f AL |
734 | return; |
735 | } | |
736 | ||
737 | FileName = LookupTag(Message,"Filename"); | |
738 | if (FileName.empty() == true) | |
739 | { | |
740 | Status = StatError; | |
741 | ErrorText = "Method gave a blank filename"; | |
742 | } | |
743 | ||
744 | // The files timestamp matches | |
745 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
4c499611 MV |
746 | { |
747 | unlink(FileName.c_str()); | |
8b89e57f | 748 | return; |
4c499611 | 749 | } |
bfd22fc0 AL |
750 | |
751 | if (FileName == DestFile) | |
752 | Erase = true; | |
8267fe24 | 753 | else |
a6568219 | 754 | Local = true; |
8b89e57f | 755 | |
46e00f9d | 756 | string compExt = Desc.URI.substr(Desc.URI.size()-3); |
debc84b2 MZ |
757 | char *decompProg; |
758 | if(compExt == "bz2") | |
759 | decompProg = "bzip2"; | |
760 | else if(compExt == ".gz") | |
761 | decompProg = "gzip"; | |
762 | else { | |
763 | _error->Error("Unsupported extension: %s", compExt.c_str()); | |
764 | return; | |
765 | } | |
766 | ||
8b89e57f AL |
767 | Decompression = true; |
768 | DestFile += ".decomp"; | |
debc84b2 | 769 | Desc.URI = string(decompProg) + ":" + FileName; |
8267fe24 | 770 | QueueURI(Desc); |
debc84b2 | 771 | Mode = decompProg; |
8b89e57f | 772 | } |
8b89e57f | 773 | |
a52f938b OS |
774 | // AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/ |
775 | // --------------------------------------------------------------------- | |
776 | /* The Translation file is added to the queue */ | |
777 | pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, | |
495e5cb2 MV |
778 | string URI,string URIDesc,string ShortDesc) |
779 | : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "") | |
a52f938b OS |
780 | { |
781 | } | |
782 | ||
783 | /*}}}*/ | |
784 | // AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/ | |
785 | // --------------------------------------------------------------------- | |
786 | /* */ | |
787 | void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
788 | { | |
789 | if (Cnf->LocalOnly == true || | |
790 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) | |
791 | { | |
792 | // Ignore this | |
793 | Status = StatDone; | |
794 | Complete = false; | |
795 | Dequeue(); | |
796 | return; | |
797 | } | |
798 | ||
799 | Item::Failed(Message,Cnf); | |
800 | } | |
801 | /*}}}*/ | |
802 | ||
b3d44315 MV |
803 | pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, |
804 | string URI,string URIDesc,string ShortDesc, | |
805 | string MetaIndexURI, string MetaIndexURIDesc, | |
806 | string MetaIndexShortDesc, | |
807 | const vector<IndexTarget*>* IndexTargets, | |
808 | indexRecords* MetaIndexParser) : | |
809 | Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI), | |
46e00f9d MV |
810 | MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), |
811 | MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets) | |
0118833a | 812 | { |
0a8a80e5 | 813 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 814 | DestFile += URItoFileName(URI); |
b3d44315 | 815 | |
47eb38f4 MV |
816 | // remove any partial downloaded sig-file in partial/. |
817 | // it may confuse proxies and is too small to warrant a | |
818 | // partial download anyway | |
f6237efd MV |
819 | unlink(DestFile.c_str()); |
820 | ||
8267fe24 | 821 | // Create the item |
b2e465d6 | 822 | Desc.Description = URIDesc; |
8267fe24 | 823 | Desc.Owner = this; |
b3d44315 MV |
824 | Desc.ShortDesc = ShortDesc; |
825 | Desc.URI = URI; | |
826 | ||
827 | ||
828 | string Final = _config->FindDir("Dir::State::lists"); | |
829 | Final += URItoFileName(RealURI); | |
830 | struct stat Buf; | |
831 | if (stat(Final.c_str(),&Buf) == 0) | |
832 | { | |
833 | // File was already in place. It needs to be re-verified | |
834 | // because Release might have changed, so Move it into partial | |
835 | Rename(Final,DestFile); | |
836 | } | |
8267fe24 | 837 | |
8267fe24 | 838 | QueueURI(Desc); |
0118833a AL |
839 | } |
840 | /*}}}*/ | |
b3d44315 | 841 | // pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 842 | // --------------------------------------------------------------------- |
0a8a80e5 | 843 | /* The only header we use is the last-modified header. */ |
b3d44315 | 844 | string pkgAcqMetaSig::Custom600Headers() |
0118833a | 845 | { |
0a8a80e5 | 846 | struct stat Buf; |
2aab5956 | 847 | if (stat(DestFile.c_str(),&Buf) != 0) |
a72ace20 | 848 | return "\nIndex-File: true"; |
a789b983 | 849 | |
a72ace20 | 850 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
0118833a | 851 | } |
b3d44315 MV |
852 | |
853 | void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5, | |
854 | pkgAcquire::MethodConfig *Cfg) | |
c88edf1d | 855 | { |
459681d3 | 856 | Item::Done(Message,Size,MD5,Cfg); |
c88edf1d AL |
857 | |
858 | string FileName = LookupTag(Message,"Filename"); | |
859 | if (FileName.empty() == true) | |
860 | { | |
861 | Status = StatError; | |
862 | ErrorText = "Method gave a blank filename"; | |
8b89e57f | 863 | return; |
c88edf1d | 864 | } |
8b89e57f | 865 | |
c88edf1d AL |
866 | if (FileName != DestFile) |
867 | { | |
b3d44315 | 868 | // We have to copy it into place |
a6568219 | 869 | Local = true; |
8267fe24 AL |
870 | Desc.URI = "copy:" + FileName; |
871 | QueueURI(Desc); | |
c88edf1d AL |
872 | return; |
873 | } | |
b3d44315 MV |
874 | |
875 | Complete = true; | |
876 | ||
877 | // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved | |
878 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
879 | DestFile, IndexTargets, MetaIndexParser); | |
880 | ||
c88edf1d AL |
881 | } |
882 | /*}}}*/ | |
b3d44315 | 883 | void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
681d76d0 | 884 | { |
47eb38f4 | 885 | string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); |
a789b983 | 886 | |
75dd8af1 | 887 | // if we get a network error we fail gracefully |
7e5f33eb MV |
888 | if(Status == StatTransientNetworkError) |
889 | { | |
24057ad6 | 890 | Item::Failed(Message,Cnf); |
484dbb81 | 891 | // move the sigfile back on transient network failures |
47eb38f4 MV |
892 | if(FileExists(DestFile)) |
893 | Rename(DestFile,Final); | |
7e5f33eb MV |
894 | |
895 | // set the status back to , Item::Failed likes to reset it | |
896 | Status = pkgAcquire::Item::StatTransientNetworkError; | |
24057ad6 MV |
897 | return; |
898 | } | |
899 | ||
75dd8af1 | 900 | // Delete any existing sigfile when the acquire failed |
75dd8af1 MV |
901 | unlink(Final.c_str()); |
902 | ||
b3d44315 MV |
903 | // queue a pkgAcqMetaIndex with no sigfile |
904 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
905 | "", IndexTargets, MetaIndexParser); | |
906 | ||
681d76d0 AL |
907 | if (Cnf->LocalOnly == true || |
908 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) | |
909 | { | |
2b154e53 AL |
910 | // Ignore this |
911 | Status = StatDone; | |
912 | Complete = false; | |
681d76d0 AL |
913 | Dequeue(); |
914 | return; | |
915 | } | |
916 | ||
917 | Item::Failed(Message,Cnf); | |
918 | } | |
b3d44315 MV |
919 | |
920 | pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, | |
921 | string URI,string URIDesc,string ShortDesc, | |
922 | string SigFile, | |
923 | const vector<struct IndexTarget*>* IndexTargets, | |
924 | indexRecords* MetaIndexParser) : | |
21fd1746 OS |
925 | Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets), |
926 | MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false) | |
b3d44315 | 927 | { |
b3d44315 MV |
928 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
929 | DestFile += URItoFileName(URI); | |
930 | ||
931 | // Create the item | |
932 | Desc.Description = URIDesc; | |
933 | Desc.Owner = this; | |
934 | Desc.ShortDesc = ShortDesc; | |
935 | Desc.URI = URI; | |
936 | ||
937 | QueueURI(Desc); | |
938 | } | |
939 | ||
940 | /*}}}*/ | |
941 | // pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/ | |
942 | // --------------------------------------------------------------------- | |
943 | /* The only header we use is the last-modified header. */ | |
944 | string pkgAcqMetaIndex::Custom600Headers() | |
945 | { | |
946 | string Final = _config->FindDir("Dir::State::lists"); | |
947 | Final += URItoFileName(RealURI); | |
948 | ||
949 | struct stat Buf; | |
950 | if (stat(Final.c_str(),&Buf) != 0) | |
951 | return "\nIndex-File: true"; | |
952 | ||
953 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
954 | } | |
955 | ||
495e5cb2 | 956 | void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash, |
b3d44315 MV |
957 | pkgAcquire::MethodConfig *Cfg) |
958 | { | |
495e5cb2 | 959 | Item::Done(Message,Size,Hash,Cfg); |
b3d44315 MV |
960 | |
961 | // MetaIndexes are done in two passes: one to download the | |
962 | // metaindex with an appropriate method, and a second to verify it | |
963 | // with the gpgv method | |
964 | ||
965 | if (AuthPass == true) | |
966 | { | |
967 | AuthDone(Message); | |
968 | } | |
969 | else | |
970 | { | |
971 | RetrievalDone(Message); | |
972 | if (!Complete) | |
973 | // Still more retrieving to do | |
974 | return; | |
975 | ||
976 | if (SigFile == "") | |
977 | { | |
978 | // There was no signature file, so we are finished. Download | |
979 | // the indexes without verification. | |
980 | QueueIndexes(false); | |
981 | } | |
982 | else | |
983 | { | |
984 | // There was a signature file, so pass it to gpgv for | |
985 | // verification | |
986 | ||
987 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
988 | std::cerr << "Metaindex acquired, queueing gpg verification (" | |
989 | << SigFile << "," << DestFile << ")\n"; | |
990 | AuthPass = true; | |
991 | Desc.URI = "gpgv:" + SigFile; | |
992 | QueueURI(Desc); | |
993 | Mode = "gpgv"; | |
994 | } | |
995 | } | |
996 | } | |
997 | ||
998 | void pkgAcqMetaIndex::RetrievalDone(string Message) | |
999 | { | |
1000 | // We have just finished downloading a Release file (it is not | |
1001 | // verified yet) | |
1002 | ||
1003 | string FileName = LookupTag(Message,"Filename"); | |
1004 | if (FileName.empty() == true) | |
1005 | { | |
1006 | Status = StatError; | |
1007 | ErrorText = "Method gave a blank filename"; | |
1008 | return; | |
1009 | } | |
1010 | ||
1011 | if (FileName != DestFile) | |
1012 | { | |
1013 | Local = true; | |
1014 | Desc.URI = "copy:" + FileName; | |
1015 | QueueURI(Desc); | |
1016 | return; | |
1017 | } | |
1018 | ||
f381d68d MV |
1019 | // see if the download was a IMSHit |
1020 | IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false); | |
b3d44315 MV |
1021 | Complete = true; |
1022 | ||
1023 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
1024 | FinalFile += URItoFileName(RealURI); | |
1025 | ||
4c499611 MV |
1026 | // If we get a IMS hit we can remove the empty file in partial |
1027 | // othersie we move the file in place | |
1028 | if (IMSHit) | |
1029 | unlink(DestFile.c_str()); | |
1030 | else | |
b3d44315 | 1031 | Rename(DestFile,FinalFile); |
4c499611 | 1032 | |
1790e0cf | 1033 | chmod(FinalFile.c_str(),0644); |
b3d44315 MV |
1034 | DestFile = FinalFile; |
1035 | } | |
1036 | ||
1037 | void pkgAcqMetaIndex::AuthDone(string Message) | |
1038 | { | |
1039 | // At this point, the gpgv method has succeeded, so there is a | |
1040 | // valid signature from a key in the trusted keyring. We | |
1041 | // perform additional verification of its contents, and use them | |
1042 | // to verify the indexes we are about to download | |
1043 | ||
1044 | if (!MetaIndexParser->Load(DestFile)) | |
1045 | { | |
1046 | Status = StatAuthError; | |
1047 | ErrorText = MetaIndexParser->ErrorText; | |
1048 | return; | |
1049 | } | |
1050 | ||
ce424cd4 | 1051 | if (!VerifyVendor(Message)) |
b3d44315 MV |
1052 | { |
1053 | return; | |
1054 | } | |
1055 | ||
1056 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1057 | std::cerr << "Signature verification succeeded: " | |
1058 | << DestFile << std::endl; | |
1059 | ||
1060 | // Download further indexes with verification | |
1061 | QueueIndexes(true); | |
1062 | ||
1063 | // Done, move signature file into position | |
1064 | ||
1065 | string VerifiedSigFile = _config->FindDir("Dir::State::lists") + | |
1066 | URItoFileName(RealURI) + ".gpg"; | |
1067 | Rename(SigFile,VerifiedSigFile); | |
1068 | chmod(VerifiedSigFile.c_str(),0644); | |
1069 | } | |
1070 | ||
1071 | void pkgAcqMetaIndex::QueueIndexes(bool verify) | |
1072 | { | |
1073 | for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin(); | |
1074 | Target != IndexTargets->end(); | |
1075 | Target++) | |
1076 | { | |
495e5cb2 | 1077 | HashString ExpectedIndexHash; |
b3d44315 MV |
1078 | if (verify) |
1079 | { | |
1080 | const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey); | |
1081 | if (!Record) | |
1082 | { | |
1083 | Status = StatAuthError; | |
1084 | ErrorText = "Unable to find expected entry " | |
1085 | + (*Target)->MetaKey + " in Meta-index file (malformed Release file?)"; | |
1086 | return; | |
1087 | } | |
495e5cb2 | 1088 | ExpectedIndexHash = Record->Hash; |
b3d44315 MV |
1089 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) |
1090 | { | |
1091 | std::cerr << "Queueing: " << (*Target)->URI << std::endl; | |
495e5cb2 | 1092 | std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl; |
b3d44315 | 1093 | } |
495e5cb2 | 1094 | if (ExpectedIndexHash.empty()) |
b3d44315 MV |
1095 | { |
1096 | Status = StatAuthError; | |
495e5cb2 | 1097 | ErrorText = "Unable to find hash sum for " |
b3d44315 MV |
1098 | + (*Target)->MetaKey + " in Meta-index file"; |
1099 | return; | |
1100 | } | |
1101 | } | |
1102 | ||
2ac3eeb6 MV |
1103 | // Queue Packages file (either diff or full packages files, depending |
1104 | // on the users option) | |
702c84fb | 1105 | if(_config->FindB("Acquire::PDiffs",false) == true) |
2ac3eeb6 | 1106 | new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description, |
495e5cb2 | 1107 | (*Target)->ShortDesc, ExpectedIndexHash); |
2ac3eeb6 | 1108 | else |
81fcf9e2 | 1109 | new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description, |
495e5cb2 | 1110 | (*Target)->ShortDesc, ExpectedIndexHash); |
b3d44315 MV |
1111 | } |
1112 | } | |
1113 | ||
ce424cd4 | 1114 | bool pkgAcqMetaIndex::VerifyVendor(string Message) |
b3d44315 MV |
1115 | { |
1116 | // // Maybe this should be made available from above so we don't have | |
1117 | // // to read and parse it every time? | |
1118 | // pkgVendorList List; | |
1119 | // List.ReadMainList(); | |
1120 | ||
1121 | // const Vendor* Vndr = NULL; | |
1122 | // for (std::vector<string>::const_iterator I = GPGVOutput.begin(); I != GPGVOutput.end(); I++) | |
1123 | // { | |
1124 | // string::size_type pos = (*I).find("VALIDSIG "); | |
1125 | // if (_config->FindB("Debug::Vendor", false)) | |
1126 | // std::cerr << "Looking for VALIDSIG in \"" << (*I) << "\": pos " << pos | |
1127 | // << std::endl; | |
1128 | // if (pos != std::string::npos) | |
1129 | // { | |
1130 | // string Fingerprint = (*I).substr(pos+sizeof("VALIDSIG")); | |
1131 | // if (_config->FindB("Debug::Vendor", false)) | |
1132 | // std::cerr << "Looking for \"" << Fingerprint << "\" in vendor..." << | |
1133 | // std::endl; | |
1134 | // Vndr = List.FindVendor(Fingerprint) != ""; | |
1135 | // if (Vndr != NULL); | |
1136 | // break; | |
1137 | // } | |
1138 | // } | |
ce424cd4 MV |
1139 | string::size_type pos; |
1140 | ||
1141 | // check for missing sigs (that where not fatal because otherwise we had | |
1142 | // bombed earlier) | |
1143 | string missingkeys; | |
400ad7a4 | 1144 | string msg = _("There is no public key available for the " |
ce424cd4 MV |
1145 | "following key IDs:\n"); |
1146 | pos = Message.find("NO_PUBKEY "); | |
1147 | if (pos != std::string::npos) | |
1148 | { | |
1149 | string::size_type start = pos+strlen("NO_PUBKEY "); | |
1150 | string Fingerprint = Message.substr(start, Message.find("\n")-start); | |
1151 | missingkeys += (Fingerprint); | |
1152 | } | |
1153 | if(!missingkeys.empty()) | |
1154 | _error->Warning("%s", string(msg+missingkeys).c_str()); | |
b3d44315 MV |
1155 | |
1156 | string Transformed = MetaIndexParser->GetExpectedDist(); | |
1157 | ||
1158 | if (Transformed == "../project/experimental") | |
1159 | { | |
1160 | Transformed = "experimental"; | |
1161 | } | |
1162 | ||
ce424cd4 | 1163 | pos = Transformed.rfind('/'); |
b3d44315 MV |
1164 | if (pos != string::npos) |
1165 | { | |
1166 | Transformed = Transformed.substr(0, pos); | |
1167 | } | |
1168 | ||
1169 | if (Transformed == ".") | |
1170 | { | |
1171 | Transformed = ""; | |
1172 | } | |
1173 | ||
1174 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1175 | { | |
1176 | std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl; | |
1177 | std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl; | |
1178 | std::cerr << "Transformed Dist: " << Transformed << std::endl; | |
1179 | } | |
1180 | ||
1181 | if (MetaIndexParser->CheckDist(Transformed) == false) | |
1182 | { | |
1183 | // This might become fatal one day | |
1184 | // Status = StatAuthError; | |
1185 | // ErrorText = "Conflicting distribution; expected " | |
1186 | // + MetaIndexParser->GetExpectedDist() + " but got " | |
1187 | // + MetaIndexParser->GetDist(); | |
1188 | // return false; | |
1189 | if (!Transformed.empty()) | |
1190 | { | |
1191 | _error->Warning("Conflicting distribution: %s (expected %s but got %s)", | |
1192 | Desc.Description.c_str(), | |
1193 | Transformed.c_str(), | |
1194 | MetaIndexParser->GetDist().c_str()); | |
1195 | } | |
1196 | } | |
1197 | ||
1198 | return true; | |
1199 | } | |
1200 | /*}}}*/ | |
1201 | // pkgAcqMetaIndex::Failed - no Release file present or no signature | |
1202 | // file present /*{{{*/ | |
1203 | // --------------------------------------------------------------------- | |
1204 | /* */ | |
1205 | void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1206 | { | |
1207 | if (AuthPass == true) | |
1208 | { | |
f381d68d MV |
1209 | // if we fail the authentication but got the file via a IMS-Hit |
1210 | // this means that the file wasn't downloaded and that it might be | |
1211 | // just stale (server problem, proxy etc). we delete what we have | |
1212 | // queue it again without i-m-s | |
1213 | // alternatively we could just unlink the file and let the user try again | |
1214 | if (IMSHit) | |
1215 | { | |
1216 | Complete = false; | |
1217 | Local = false; | |
1218 | AuthPass = false; | |
1219 | unlink(DestFile.c_str()); | |
1220 | ||
1221 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
1222 | DestFile += URItoFileName(RealURI); | |
1223 | Desc.URI = RealURI; | |
1224 | QueueURI(Desc); | |
1225 | return; | |
1226 | } | |
1227 | ||
1228 | // gpgv method failed | |
59271f62 | 1229 | ReportMirrorFailure("GPGFailure"); |
b3d44315 MV |
1230 | _error->Warning("GPG error: %s: %s", |
1231 | Desc.Description.c_str(), | |
1232 | LookupTag(Message,"Message").c_str()); | |
f381d68d | 1233 | |
b3d44315 MV |
1234 | } |
1235 | ||
1236 | // No Release file was present, or verification failed, so fall | |
1237 | // back to queueing Packages files without verification | |
1238 | QueueIndexes(false); | |
1239 | } | |
1240 | ||
681d76d0 | 1241 | /*}}}*/ |
03e39e59 AL |
1242 | |
1243 | // AcqArchive::AcqArchive - Constructor /*{{{*/ | |
1244 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1245 | /* This just sets up the initial fetch environment and queues the first |
1246 | possibilitiy */ | |
03e39e59 | 1247 | pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, |
30e1eab5 AL |
1248 | pkgRecords *Recs,pkgCache::VerIterator const &Version, |
1249 | string &StoreFilename) : | |
1250 | Item(Owner), Version(Version), Sources(Sources), Recs(Recs), | |
b3d44315 MV |
1251 | StoreFilename(StoreFilename), Vf(Version.FileList()), |
1252 | Trusted(false) | |
03e39e59 | 1253 | { |
7d8afa39 | 1254 | Retries = _config->FindI("Acquire::Retries",0); |
813c8eea AL |
1255 | |
1256 | if (Version.Arch() == 0) | |
bdae53f1 | 1257 | { |
d1f1f6a8 | 1258 | _error->Error(_("I wasn't able to locate a file for the %s package. " |
7a3c2ab0 AL |
1259 | "This might mean you need to manually fix this package. " |
1260 | "(due to missing arch)"), | |
813c8eea | 1261 | Version.ParentPkg().Name()); |
bdae53f1 AL |
1262 | return; |
1263 | } | |
813c8eea | 1264 | |
b2e465d6 AL |
1265 | /* We need to find a filename to determine the extension. We make the |
1266 | assumption here that all the available sources for this version share | |
1267 | the same extension.. */ | |
1268 | // Skip not source sources, they do not have file fields. | |
1269 | for (; Vf.end() == false; Vf++) | |
1270 | { | |
1271 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1272 | continue; | |
1273 | break; | |
1274 | } | |
1275 | ||
1276 | // Does not really matter here.. we are going to fail out below | |
1277 | if (Vf.end() != true) | |
1278 | { | |
1279 | // If this fails to get a file name we will bomb out below. | |
1280 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1281 | if (_error->PendingError() == true) | |
1282 | return; | |
1283 | ||
1284 | // Generate the final file name as: package_version_arch.foo | |
1285 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + | |
1286 | QuoteString(Version.VerStr(),"_:") + '_' + | |
1287 | QuoteString(Version.Arch(),"_:.") + | |
1288 | "." + flExtension(Parse.FileName()); | |
1289 | } | |
b3d44315 MV |
1290 | |
1291 | // check if we have one trusted source for the package. if so, switch | |
1292 | // to "TrustedOnly" mode | |
1293 | for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; i++) | |
1294 | { | |
1295 | pkgIndexFile *Index; | |
1296 | if (Sources->FindIndex(i.File(),Index) == false) | |
1297 | continue; | |
1298 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1299 | { | |
1300 | std::cerr << "Checking index: " << Index->Describe() | |
1301 | << "(Trusted=" << Index->IsTrusted() << ")\n"; | |
1302 | } | |
1303 | if (Index->IsTrusted()) { | |
1304 | Trusted = true; | |
1305 | break; | |
1306 | } | |
1307 | } | |
1308 | ||
a3371852 MV |
1309 | // "allow-unauthenticated" restores apts old fetching behaviour |
1310 | // that means that e.g. unauthenticated file:// uris are higher | |
1311 | // priority than authenticated http:// uris | |
1312 | if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true) | |
1313 | Trusted = false; | |
1314 | ||
03e39e59 | 1315 | // Select a source |
b185acc2 | 1316 | if (QueueNext() == false && _error->PendingError() == false) |
b2e465d6 AL |
1317 | _error->Error(_("I wasn't able to locate file for the %s package. " |
1318 | "This might mean you need to manually fix this package."), | |
b185acc2 AL |
1319 | Version.ParentPkg().Name()); |
1320 | } | |
1321 | /*}}}*/ | |
1322 | // AcqArchive::QueueNext - Queue the next file source /*{{{*/ | |
1323 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1324 | /* This queues the next available file version for download. It checks if |
1325 | the archive is already available in the cache and stashs the MD5 for | |
1326 | checking later. */ | |
b185acc2 | 1327 | bool pkgAcqArchive::QueueNext() |
b2e465d6 | 1328 | { |
03e39e59 AL |
1329 | for (; Vf.end() == false; Vf++) |
1330 | { | |
1331 | // Ignore not source sources | |
1332 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1333 | continue; | |
1334 | ||
1335 | // Try to cross match against the source list | |
b2e465d6 AL |
1336 | pkgIndexFile *Index; |
1337 | if (Sources->FindIndex(Vf.File(),Index) == false) | |
1338 | continue; | |
03e39e59 | 1339 | |
b3d44315 MV |
1340 | // only try to get a trusted package from another source if that source |
1341 | // is also trusted | |
1342 | if(Trusted && !Index->IsTrusted()) | |
1343 | continue; | |
1344 | ||
03e39e59 AL |
1345 | // Grab the text package record |
1346 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1347 | if (_error->PendingError() == true) | |
b185acc2 | 1348 | return false; |
03e39e59 | 1349 | |
b2e465d6 | 1350 | string PkgFile = Parse.FileName(); |
495e5cb2 | 1351 | if(Parse.SHA256Hash() != "") |
8a8feb29 | 1352 | ExpectedHash = HashString("SHA256", Parse.SHA256Hash()); |
495e5cb2 | 1353 | else if (Parse.SHA1Hash() != "") |
8a8feb29 | 1354 | ExpectedHash = HashString("SHA1", Parse.SHA1Hash()); |
495e5cb2 | 1355 | else |
8a8feb29 | 1356 | ExpectedHash = HashString("MD5Sum", Parse.MD5Hash()); |
03e39e59 | 1357 | if (PkgFile.empty() == true) |
b2e465d6 AL |
1358 | return _error->Error(_("The package index files are corrupted. No Filename: " |
1359 | "field for package %s."), | |
1360 | Version.ParentPkg().Name()); | |
a6568219 | 1361 | |
b3d44315 MV |
1362 | Desc.URI = Index->ArchiveURI(PkgFile); |
1363 | Desc.Description = Index->ArchiveInfo(Version); | |
1364 | Desc.Owner = this; | |
1365 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
1366 | ||
17caf1b1 | 1367 | // See if we already have the file. (Legacy filenames) |
a6568219 AL |
1368 | FileSize = Version->Size; |
1369 | string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); | |
1370 | struct stat Buf; | |
1371 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
1372 | { | |
1373 | // Make sure the size matches | |
1374 | if ((unsigned)Buf.st_size == Version->Size) | |
1375 | { | |
1376 | Complete = true; | |
1377 | Local = true; | |
1378 | Status = StatDone; | |
30e1eab5 | 1379 | StoreFilename = DestFile = FinalFile; |
b185acc2 | 1380 | return true; |
a6568219 AL |
1381 | } |
1382 | ||
6b1ff003 AL |
1383 | /* Hmm, we have a file and its size does not match, this means it is |
1384 | an old style mismatched arch */ | |
a6568219 AL |
1385 | unlink(FinalFile.c_str()); |
1386 | } | |
17caf1b1 AL |
1387 | |
1388 | // Check it again using the new style output filenames | |
1389 | FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); | |
1390 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
1391 | { | |
1392 | // Make sure the size matches | |
1393 | if ((unsigned)Buf.st_size == Version->Size) | |
1394 | { | |
1395 | Complete = true; | |
1396 | Local = true; | |
1397 | Status = StatDone; | |
1398 | StoreFilename = DestFile = FinalFile; | |
1399 | return true; | |
1400 | } | |
1401 | ||
1402 | /* Hmm, we have a file and its size does not match, this shouldnt | |
1403 | happen.. */ | |
1404 | unlink(FinalFile.c_str()); | |
1405 | } | |
1406 | ||
1407 | DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); | |
6b1ff003 AL |
1408 | |
1409 | // Check the destination file | |
1410 | if (stat(DestFile.c_str(),&Buf) == 0) | |
1411 | { | |
1412 | // Hmm, the partial file is too big, erase it | |
1413 | if ((unsigned)Buf.st_size > Version->Size) | |
1414 | unlink(DestFile.c_str()); | |
1415 | else | |
1416 | PartialSize = Buf.st_size; | |
1417 | } | |
1418 | ||
03e39e59 | 1419 | // Create the item |
b2e465d6 AL |
1420 | Local = false; |
1421 | Desc.URI = Index->ArchiveURI(PkgFile); | |
1422 | Desc.Description = Index->ArchiveInfo(Version); | |
03e39e59 AL |
1423 | Desc.Owner = this; |
1424 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
1425 | QueueURI(Desc); | |
b185acc2 AL |
1426 | |
1427 | Vf++; | |
1428 | return true; | |
03e39e59 | 1429 | } |
b185acc2 AL |
1430 | return false; |
1431 | } | |
03e39e59 AL |
1432 | /*}}}*/ |
1433 | // AcqArchive::Done - Finished fetching /*{{{*/ | |
1434 | // --------------------------------------------------------------------- | |
1435 | /* */ | |
495e5cb2 | 1436 | void pkgAcqArchive::Done(string Message,unsigned long Size,string CalcHash, |
459681d3 | 1437 | pkgAcquire::MethodConfig *Cfg) |
03e39e59 | 1438 | { |
495e5cb2 | 1439 | Item::Done(Message,Size,CalcHash,Cfg); |
03e39e59 AL |
1440 | |
1441 | // Check the size | |
1442 | if (Size != Version->Size) | |
1443 | { | |
bdae53f1 | 1444 | Status = StatError; |
b2e465d6 | 1445 | ErrorText = _("Size mismatch"); |
03e39e59 AL |
1446 | return; |
1447 | } | |
1448 | ||
495e5cb2 | 1449 | // Check the hash |
8a8feb29 | 1450 | if(ExpectedHash.toStr() != CalcHash) |
03e39e59 | 1451 | { |
495e5cb2 | 1452 | Status = StatError; |
9498d182 | 1453 | ErrorText = _("Hash Sum mismatch"); |
495e5cb2 MV |
1454 | if(FileExists(DestFile)) |
1455 | Rename(DestFile,DestFile + ".FAILED"); | |
1456 | return; | |
03e39e59 | 1457 | } |
a6568219 AL |
1458 | |
1459 | // Grab the output filename | |
03e39e59 AL |
1460 | string FileName = LookupTag(Message,"Filename"); |
1461 | if (FileName.empty() == true) | |
1462 | { | |
1463 | Status = StatError; | |
1464 | ErrorText = "Method gave a blank filename"; | |
1465 | return; | |
1466 | } | |
a6568219 AL |
1467 | |
1468 | Complete = true; | |
30e1eab5 AL |
1469 | |
1470 | // Reference filename | |
a6568219 AL |
1471 | if (FileName != DestFile) |
1472 | { | |
30e1eab5 | 1473 | StoreFilename = DestFile = FileName; |
a6568219 AL |
1474 | Local = true; |
1475 | return; | |
1476 | } | |
1477 | ||
1478 | // Done, move it into position | |
1479 | string FinalFile = _config->FindDir("Dir::Cache::Archives"); | |
17caf1b1 | 1480 | FinalFile += flNotDir(StoreFilename); |
a6568219 | 1481 | Rename(DestFile,FinalFile); |
03e39e59 | 1482 | |
30e1eab5 | 1483 | StoreFilename = DestFile = FinalFile; |
03e39e59 AL |
1484 | Complete = true; |
1485 | } | |
1486 | /*}}}*/ | |
db890fdb AL |
1487 | // AcqArchive::Failed - Failure handler /*{{{*/ |
1488 | // --------------------------------------------------------------------- | |
1489 | /* Here we try other sources */ | |
7d8afa39 | 1490 | void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
db890fdb AL |
1491 | { |
1492 | ErrorText = LookupTag(Message,"Message"); | |
b2e465d6 AL |
1493 | |
1494 | /* We don't really want to retry on failed media swaps, this prevents | |
1495 | that. An interesting observation is that permanent failures are not | |
1496 | recorded. */ | |
1497 | if (Cnf->Removable == true && | |
1498 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1499 | { | |
1500 | // Vf = Version.FileList(); | |
1501 | while (Vf.end() == false) Vf++; | |
1502 | StoreFilename = string(); | |
1503 | Item::Failed(Message,Cnf); | |
1504 | return; | |
1505 | } | |
1506 | ||
db890fdb | 1507 | if (QueueNext() == false) |
7d8afa39 AL |
1508 | { |
1509 | // This is the retry counter | |
1510 | if (Retries != 0 && | |
1511 | Cnf->LocalOnly == false && | |
1512 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1513 | { | |
1514 | Retries--; | |
1515 | Vf = Version.FileList(); | |
1516 | if (QueueNext() == true) | |
1517 | return; | |
1518 | } | |
1519 | ||
9dbb421f | 1520 | StoreFilename = string(); |
7d8afa39 AL |
1521 | Item::Failed(Message,Cnf); |
1522 | } | |
db890fdb AL |
1523 | } |
1524 | /*}}}*/ | |
b3d44315 MV |
1525 | // AcqArchive::IsTrusted - Determine whether this archive comes from a |
1526 | // trusted source /*{{{*/ | |
1527 | // --------------------------------------------------------------------- | |
1528 | bool pkgAcqArchive::IsTrusted() | |
1529 | { | |
1530 | return Trusted; | |
1531 | } | |
1532 | ||
ab559b35 AL |
1533 | // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ |
1534 | // --------------------------------------------------------------------- | |
1535 | /* */ | |
1536 | void pkgAcqArchive::Finished() | |
1537 | { | |
1538 | if (Status == pkgAcquire::Item::StatDone && | |
1539 | Complete == true) | |
1540 | return; | |
1541 | StoreFilename = string(); | |
1542 | } | |
1543 | /*}}}*/ | |
36375005 AL |
1544 | |
1545 | // AcqFile::pkgAcqFile - Constructor /*{{{*/ | |
1546 | // --------------------------------------------------------------------- | |
1547 | /* The file is added to the queue */ | |
8a8feb29 | 1548 | pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash, |
46e00f9d MV |
1549 | unsigned long Size,string Dsc,string ShortDesc, |
1550 | const string &DestDir, const string &DestFilename) : | |
8a8feb29 | 1551 | Item(Owner), ExpectedHash(Hash) |
36375005 | 1552 | { |
08cfc005 AL |
1553 | Retries = _config->FindI("Acquire::Retries",0); |
1554 | ||
46e00f9d MV |
1555 | if(!DestFilename.empty()) |
1556 | DestFile = DestFilename; | |
1557 | else if(!DestDir.empty()) | |
1558 | DestFile = DestDir + "/" + flNotDir(URI); | |
1559 | else | |
1560 | DestFile = flNotDir(URI); | |
1561 | ||
36375005 AL |
1562 | // Create the item |
1563 | Desc.URI = URI; | |
1564 | Desc.Description = Dsc; | |
1565 | Desc.Owner = this; | |
1566 | ||
1567 | // Set the short description to the archive component | |
1568 | Desc.ShortDesc = ShortDesc; | |
1569 | ||
1570 | // Get the transfer sizes | |
1571 | FileSize = Size; | |
1572 | struct stat Buf; | |
1573 | if (stat(DestFile.c_str(),&Buf) == 0) | |
1574 | { | |
1575 | // Hmm, the partial file is too big, erase it | |
1576 | if ((unsigned)Buf.st_size > Size) | |
1577 | unlink(DestFile.c_str()); | |
1578 | else | |
1579 | PartialSize = Buf.st_size; | |
1580 | } | |
092ae175 | 1581 | |
36375005 AL |
1582 | QueueURI(Desc); |
1583 | } | |
1584 | /*}}}*/ | |
1585 | // AcqFile::Done - Item downloaded OK /*{{{*/ | |
1586 | // --------------------------------------------------------------------- | |
1587 | /* */ | |
495e5cb2 | 1588 | void pkgAcqFile::Done(string Message,unsigned long Size,string CalcHash, |
459681d3 | 1589 | pkgAcquire::MethodConfig *Cnf) |
36375005 | 1590 | { |
495e5cb2 MV |
1591 | Item::Done(Message,Size,CalcHash,Cnf); |
1592 | ||
8a8feb29 | 1593 | // Check the hash |
2c941d89 | 1594 | if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash) |
b3c39978 | 1595 | { |
495e5cb2 | 1596 | Status = StatError; |
9498d182 | 1597 | ErrorText = "Hash Sum mismatch"; |
495e5cb2 MV |
1598 | Rename(DestFile,DestFile + ".FAILED"); |
1599 | return; | |
b3c39978 AL |
1600 | } |
1601 | ||
36375005 AL |
1602 | string FileName = LookupTag(Message,"Filename"); |
1603 | if (FileName.empty() == true) | |
1604 | { | |
1605 | Status = StatError; | |
1606 | ErrorText = "Method gave a blank filename"; | |
1607 | return; | |
1608 | } | |
1609 | ||
1610 | Complete = true; | |
1611 | ||
1612 | // The files timestamp matches | |
1613 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
1614 | return; | |
1615 | ||
1616 | // We have to copy it into place | |
1617 | if (FileName != DestFile) | |
1618 | { | |
1619 | Local = true; | |
459681d3 AL |
1620 | if (_config->FindB("Acquire::Source-Symlinks",true) == false || |
1621 | Cnf->Removable == true) | |
917ae805 AL |
1622 | { |
1623 | Desc.URI = "copy:" + FileName; | |
1624 | QueueURI(Desc); | |
1625 | return; | |
1626 | } | |
1627 | ||
83ab33fc AL |
1628 | // Erase the file if it is a symlink so we can overwrite it |
1629 | struct stat St; | |
1630 | if (lstat(DestFile.c_str(),&St) == 0) | |
1631 | { | |
1632 | if (S_ISLNK(St.st_mode) != 0) | |
1633 | unlink(DestFile.c_str()); | |
1634 | } | |
1635 | ||
1636 | // Symlink the file | |
917ae805 AL |
1637 | if (symlink(FileName.c_str(),DestFile.c_str()) != 0) |
1638 | { | |
83ab33fc | 1639 | ErrorText = "Link to " + DestFile + " failure "; |
917ae805 AL |
1640 | Status = StatError; |
1641 | Complete = false; | |
1642 | } | |
36375005 AL |
1643 | } |
1644 | } | |
1645 | /*}}}*/ | |
08cfc005 AL |
1646 | // AcqFile::Failed - Failure handler /*{{{*/ |
1647 | // --------------------------------------------------------------------- | |
1648 | /* Here we try other sources */ | |
1649 | void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1650 | { | |
1651 | ErrorText = LookupTag(Message,"Message"); | |
1652 | ||
1653 | // This is the retry counter | |
1654 | if (Retries != 0 && | |
1655 | Cnf->LocalOnly == false && | |
1656 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
1657 | { | |
1658 | Retries--; | |
1659 | QueueURI(Desc); | |
1660 | return; | |
1661 | } | |
1662 | ||
1663 | Item::Failed(Message,Cnf); | |
1664 | } | |
1665 | /*}}}*/ |