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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 /*{{{*/ | |
ea542140 DK |
16 | #include <config.h> |
17 | ||
0118833a AL |
18 | #include <apt-pkg/acquire-item.h> |
19 | #include <apt-pkg/configuration.h> | |
e878aedb | 20 | #include <apt-pkg/aptconfiguration.h> |
b2e465d6 | 21 | #include <apt-pkg/sourcelist.h> |
03e39e59 | 22 | #include <apt-pkg/error.h> |
cdcc6d34 | 23 | #include <apt-pkg/strutl.h> |
36375005 | 24 | #include <apt-pkg/fileutl.h> |
b3d44315 | 25 | #include <apt-pkg/md5.h> |
ac5b205a MV |
26 | #include <apt-pkg/sha1.h> |
27 | #include <apt-pkg/tagfile.h> | |
472ff00e DK |
28 | #include <apt-pkg/indexrecords.h> |
29 | #include <apt-pkg/metaindex.h> | |
0a8a80e5 AL |
30 | |
31 | #include <sys/stat.h> | |
32 | #include <unistd.h> | |
c88edf1d | 33 | #include <errno.h> |
5819a761 | 34 | #include <string> |
ac5b205a | 35 | #include <sstream> |
c88edf1d | 36 | #include <stdio.h> |
1ddb8596 | 37 | #include <ctime> |
ea542140 DK |
38 | |
39 | #include <apti18n.h> | |
0118833a AL |
40 | /*}}}*/ |
41 | ||
b3d44315 | 42 | using namespace std; |
5819a761 | 43 | |
0118833a AL |
44 | // Acquire::Item::Item - Constructor /*{{{*/ |
45 | // --------------------------------------------------------------------- | |
46 | /* */ | |
8267fe24 | 47 | pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), |
6b1ff003 AL |
48 | PartialSize(0), Mode(0), ID(0), Complete(false), |
49 | Local(false), QueueCounter(0) | |
0118833a AL |
50 | { |
51 | Owner->Add(this); | |
c88edf1d | 52 | Status = StatIdle; |
0118833a AL |
53 | } |
54 | /*}}}*/ | |
55 | // Acquire::Item::~Item - Destructor /*{{{*/ | |
56 | // --------------------------------------------------------------------- | |
57 | /* */ | |
58 | pkgAcquire::Item::~Item() | |
59 | { | |
60 | Owner->Remove(this); | |
61 | } | |
62 | /*}}}*/ | |
c88edf1d AL |
63 | // Acquire::Item::Failed - Item failed to download /*{{{*/ |
64 | // --------------------------------------------------------------------- | |
93bf083d AL |
65 | /* We return to an idle state if there are still other queues that could |
66 | fetch this object */ | |
7d8afa39 | 67 | void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
c88edf1d | 68 | { |
93bf083d | 69 | Status = StatIdle; |
db890fdb | 70 | ErrorText = LookupTag(Message,"Message"); |
361593e9 | 71 | UsedMirror = LookupTag(Message,"UsedMirror"); |
c88edf1d | 72 | if (QueueCounter <= 1) |
93bf083d | 73 | { |
a72ace20 | 74 | /* This indicates that the file is not available right now but might |
7d8afa39 | 75 | be sometime later. If we do a retry cycle then this should be |
17caf1b1 | 76 | retried [CDROMs] */ |
7d8afa39 AL |
77 | if (Cnf->LocalOnly == true && |
78 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
a72ace20 AL |
79 | { |
80 | Status = StatIdle; | |
681d76d0 | 81 | Dequeue(); |
a72ace20 AL |
82 | return; |
83 | } | |
7e5f33eb | 84 | |
93bf083d | 85 | Status = StatError; |
681d76d0 | 86 | Dequeue(); |
93bf083d | 87 | } |
23c5897c | 88 | |
36280399 | 89 | // report mirror failure back to LP if we actually use a mirror |
f0b509cd MV |
90 | string FailReason = LookupTag(Message, "FailReason"); |
91 | if(FailReason.size() != 0) | |
92 | ReportMirrorFailure(FailReason); | |
93 | else | |
94 | ReportMirrorFailure(ErrorText); | |
c88edf1d AL |
95 | } |
96 | /*}}}*/ | |
8267fe24 AL |
97 | // Acquire::Item::Start - Item has begun to download /*{{{*/ |
98 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
99 | /* Stash status and the file size. Note that setting Complete means |
100 | sub-phases of the acquire process such as decompresion are operating */ | |
73da43e9 | 101 | void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size) |
8267fe24 AL |
102 | { |
103 | Status = StatFetching; | |
104 | if (FileSize == 0 && Complete == false) | |
105 | FileSize = Size; | |
106 | } | |
107 | /*}}}*/ | |
c88edf1d AL |
108 | // Acquire::Item::Done - Item downloaded OK /*{{{*/ |
109 | // --------------------------------------------------------------------- | |
110 | /* */ | |
73da43e9 | 111 | void pkgAcquire::Item::Done(string Message,unsigned long long Size,string Hash, |
459681d3 | 112 | pkgAcquire::MethodConfig *Cnf) |
c88edf1d | 113 | { |
b98f2859 AL |
114 | // We just downloaded something.. |
115 | string FileName = LookupTag(Message,"Filename"); | |
36280399 | 116 | UsedMirror = LookupTag(Message,"UsedMirror"); |
8f30ca30 | 117 | if (Complete == false && !Local && FileName == DestFile) |
b98f2859 AL |
118 | { |
119 | if (Owner->Log != 0) | |
120 | Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str())); | |
121 | } | |
aa0e1101 AL |
122 | |
123 | if (FileSize == 0) | |
124 | FileSize= Size; | |
c88edf1d AL |
125 | Status = StatDone; |
126 | ErrorText = string(); | |
127 | Owner->Dequeue(this); | |
128 | } | |
129 | /*}}}*/ | |
8b89e57f AL |
130 | // Acquire::Item::Rename - Rename a file /*{{{*/ |
131 | // --------------------------------------------------------------------- | |
132 | /* This helper function is used by alot of item methods as thier final | |
133 | step */ | |
134 | void pkgAcquire::Item::Rename(string From,string To) | |
135 | { | |
136 | if (rename(From.c_str(),To.c_str()) != 0) | |
137 | { | |
138 | char S[300]; | |
0fcd01de | 139 | snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno), |
8b89e57f AL |
140 | From.c_str(),To.c_str()); |
141 | Status = StatError; | |
142 | ErrorText = S; | |
7a3c2ab0 | 143 | } |
8b89e57f AL |
144 | } |
145 | /*}}}*/ | |
3c8030a4 DK |
146 | bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const error)/*{{{*/ |
147 | { | |
148 | if(FileExists(DestFile)) | |
149 | Rename(DestFile, DestFile + ".FAILED"); | |
150 | ||
151 | switch (error) | |
152 | { | |
153 | case HashSumMismatch: | |
154 | ErrorText = _("Hash Sum mismatch"); | |
155 | Status = StatAuthError; | |
156 | ReportMirrorFailure("HashChecksumFailure"); | |
157 | break; | |
158 | case SizeMismatch: | |
159 | ErrorText = _("Size mismatch"); | |
160 | Status = StatAuthError; | |
161 | ReportMirrorFailure("SizeFailure"); | |
162 | break; | |
163 | case InvalidFormat: | |
164 | ErrorText = _("Invalid file format"); | |
165 | Status = StatError; | |
166 | // do not report as usually its not the mirrors fault, but Portal/Proxy | |
167 | break; | |
168 | } | |
169 | return false; | |
170 | } | |
171 | /*}}}*/ | |
c91d9a63 DK |
172 | // Acquire::Item::ReportMirrorFailure /*{{{*/ |
173 | // --------------------------------------------------------------------- | |
36280399 MV |
174 | void pkgAcquire::Item::ReportMirrorFailure(string FailCode) |
175 | { | |
59271f62 MV |
176 | // we only act if a mirror was used at all |
177 | if(UsedMirror.empty()) | |
178 | return; | |
36280399 MV |
179 | #if 0 |
180 | std::cerr << "\nReportMirrorFailure: " | |
181 | << UsedMirror | |
59271f62 | 182 | << " Uri: " << DescURI() |
36280399 MV |
183 | << " FailCode: " |
184 | << FailCode << std::endl; | |
185 | #endif | |
186 | const char *Args[40]; | |
187 | unsigned int i = 0; | |
188 | string report = _config->Find("Methods::Mirror::ProblemReporting", | |
3f599bb7 | 189 | "/usr/lib/apt/apt-report-mirror-failure"); |
36280399 MV |
190 | if(!FileExists(report)) |
191 | return; | |
192 | Args[i++] = report.c_str(); | |
193 | Args[i++] = UsedMirror.c_str(); | |
f0b509cd | 194 | Args[i++] = DescURI().c_str(); |
36280399 | 195 | Args[i++] = FailCode.c_str(); |
361593e9 | 196 | Args[i++] = NULL; |
36280399 MV |
197 | pid_t pid = ExecFork(); |
198 | if(pid < 0) | |
199 | { | |
200 | _error->Error("ReportMirrorFailure Fork failed"); | |
201 | return; | |
202 | } | |
203 | else if(pid == 0) | |
204 | { | |
361593e9 MV |
205 | execvp(Args[0], (char**)Args); |
206 | std::cerr << "Could not exec " << Args[0] << std::endl; | |
207 | _exit(100); | |
36280399 MV |
208 | } |
209 | if(!ExecWait(pid, "report-mirror-failure")) | |
210 | { | |
211 | _error->Warning("Couldn't report problem to '%s'", | |
361593e9 | 212 | _config->Find("Methods::Mirror::ProblemReporting").c_str()); |
36280399 MV |
213 | } |
214 | } | |
c91d9a63 | 215 | /*}}}*/ |
ab53c018 DK |
216 | // AcqSubIndex::AcqSubIndex - Constructor /*{{{*/ |
217 | // --------------------------------------------------------------------- | |
8e3900d0 DK |
218 | /* Get a sub-index file based on checksums from a 'master' file and |
219 | possibly query additional files */ | |
ab53c018 DK |
220 | pkgAcqSubIndex::pkgAcqSubIndex(pkgAcquire *Owner, string const &URI, |
221 | string const &URIDesc, string const &ShortDesc, | |
222 | HashString const &ExpectedHash) | |
223 | : Item(Owner), ExpectedHash(ExpectedHash) | |
224 | { | |
8e3900d0 | 225 | /* XXX: Beware: Currently this class does nothing (of value) anymore ! */ |
ab53c018 DK |
226 | Debug = _config->FindB("Debug::pkgAcquire::SubIndex",false); |
227 | ||
228 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
229 | DestFile += URItoFileName(URI); | |
230 | ||
231 | Desc.URI = URI; | |
232 | Desc.Description = URIDesc; | |
233 | Desc.Owner = this; | |
234 | Desc.ShortDesc = ShortDesc; | |
235 | ||
236 | QueueURI(Desc); | |
237 | ||
238 | if(Debug) | |
239 | std::clog << "pkgAcqSubIndex: " << Desc.URI << std::endl; | |
240 | } | |
241 | /*}}}*/ | |
242 | // AcqSubIndex::Custom600Headers - Insert custom request headers /*{{{*/ | |
243 | // --------------------------------------------------------------------- | |
244 | /* The only header we use is the last-modified header. */ | |
245 | string pkgAcqSubIndex::Custom600Headers() | |
246 | { | |
247 | string Final = _config->FindDir("Dir::State::lists"); | |
248 | Final += URItoFileName(Desc.URI); | |
249 | ||
250 | struct stat Buf; | |
251 | if (stat(Final.c_str(),&Buf) != 0) | |
97b65b10 MV |
252 | return "\nIndex-File: true\nFail-Ignore: true\n"; |
253 | return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
ab53c018 DK |
254 | } |
255 | /*}}}*/ | |
256 | void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ | |
257 | { | |
258 | if(Debug) | |
259 | std::clog << "pkgAcqSubIndex failed: " << Desc.URI << std::endl; | |
260 | ||
261 | Complete = false; | |
262 | Status = StatDone; | |
263 | Dequeue(); | |
264 | ||
8e3900d0 | 265 | // No good Index is provided |
ab53c018 DK |
266 | } |
267 | /*}}}*/ | |
73da43e9 | 268 | void pkgAcqSubIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ |
ab53c018 DK |
269 | pkgAcquire::MethodConfig *Cnf) |
270 | { | |
271 | if(Debug) | |
272 | std::clog << "pkgAcqSubIndex::Done(): " << Desc.URI << std::endl; | |
273 | ||
274 | string FileName = LookupTag(Message,"Filename"); | |
275 | if (FileName.empty() == true) | |
276 | { | |
277 | Status = StatError; | |
278 | ErrorText = "Method gave a blank filename"; | |
279 | return; | |
280 | } | |
281 | ||
282 | if (FileName != DestFile) | |
283 | { | |
284 | Local = true; | |
285 | Desc.URI = "copy:" + FileName; | |
286 | QueueURI(Desc); | |
287 | return; | |
288 | } | |
289 | ||
290 | Item::Done(Message,Size,Md5Hash,Cnf); | |
291 | ||
292 | string FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(Desc.URI); | |
293 | ||
4fdb6123 | 294 | /* Downloaded invalid transindex => Error (LP: #346386) (Closes: #627642) */ |
0901c5d0 JAK |
295 | indexRecords SubIndexParser; |
296 | if (FileExists(DestFile) == true && !SubIndexParser.Load(DestFile)) { | |
297 | Status = StatError; | |
298 | ErrorText = SubIndexParser.ErrorText; | |
299 | return; | |
300 | } | |
301 | ||
ab53c018 DK |
302 | // sucess in downloading the index |
303 | // rename the index | |
304 | if(Debug) | |
305 | std::clog << "Renaming: " << DestFile << " -> " << FinalFile << std::endl; | |
306 | Rename(DestFile,FinalFile); | |
307 | chmod(FinalFile.c_str(),0644); | |
308 | DestFile = FinalFile; | |
309 | ||
310 | if(ParseIndex(DestFile) == false) | |
311 | return Failed("", NULL); | |
312 | ||
313 | Complete = true; | |
314 | Status = StatDone; | |
315 | Dequeue(); | |
316 | return; | |
317 | } | |
318 | /*}}}*/ | |
319 | bool pkgAcqSubIndex::ParseIndex(string const &IndexFile) /*{{{*/ | |
320 | { | |
321 | indexRecords SubIndexParser; | |
322 | if (FileExists(IndexFile) == false || SubIndexParser.Load(IndexFile) == false) | |
323 | return false; | |
8e3900d0 | 324 | // so something with the downloaded index |
ab53c018 DK |
325 | return true; |
326 | } | |
327 | /*}}}*/ | |
92fcbfc1 | 328 | // AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/ |
ac5b205a | 329 | // --------------------------------------------------------------------- |
2237bd01 MV |
330 | /* Get the DiffIndex file first and see if there are patches availabe |
331 | * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the | |
332 | * patches. If anything goes wrong in that process, it will fall back to | |
333 | * the original packages file | |
ac5b205a | 334 | */ |
2237bd01 MV |
335 | pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, |
336 | string URI,string URIDesc,string ShortDesc, | |
495e5cb2 MV |
337 | HashString ExpectedHash) |
338 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), | |
339 | Description(URIDesc) | |
ac5b205a MV |
340 | { |
341 | ||
ac5b205a MV |
342 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); |
343 | ||
2237bd01 | 344 | Desc.Description = URIDesc + "/DiffIndex"; |
ac5b205a MV |
345 | Desc.Owner = this; |
346 | Desc.ShortDesc = ShortDesc; | |
2237bd01 MV |
347 | Desc.URI = URI + ".diff/Index"; |
348 | ||
349 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
350 | DestFile += URItoFileName(URI) + string(".DiffIndex"); | |
351 | ||
352 | if(Debug) | |
353 | std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl; | |
ac5b205a | 354 | |
2237bd01 | 355 | // look for the current package file |
ac5b205a MV |
356 | CurrentPackagesFile = _config->FindDir("Dir::State::lists"); |
357 | CurrentPackagesFile += URItoFileName(RealURI); | |
358 | ||
b4e57d2d MV |
359 | // FIXME: this file:/ check is a hack to prevent fetching |
360 | // from local sources. this is really silly, and | |
361 | // should be fixed cleanly as soon as possible | |
ac5b205a | 362 | if(!FileExists(CurrentPackagesFile) || |
81fcf9e2 | 363 | Desc.URI.substr(0,strlen("file:/")) == "file:/") |
2ac3eeb6 | 364 | { |
ac5b205a MV |
365 | // we don't have a pkg file or we don't want to queue |
366 | if(Debug) | |
b4e57d2d | 367 | std::clog << "No index file, local or canceld by user" << std::endl; |
ac5b205a MV |
368 | Failed("", NULL); |
369 | return; | |
370 | } | |
371 | ||
1e4a2b76 AT |
372 | if(Debug) |
373 | std::clog << "pkgAcqDiffIndex::pkgAcqDiffIndex(): " | |
374 | << CurrentPackagesFile << std::endl; | |
375 | ||
ac5b205a | 376 | QueueURI(Desc); |
2237bd01 | 377 | |
ac5b205a | 378 | } |
92fcbfc1 | 379 | /*}}}*/ |
6cb30d01 MV |
380 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
381 | // --------------------------------------------------------------------- | |
382 | /* The only header we use is the last-modified header. */ | |
2237bd01 | 383 | string pkgAcqDiffIndex::Custom600Headers() |
6cb30d01 | 384 | { |
6cb30d01 MV |
385 | string Final = _config->FindDir("Dir::State::lists"); |
386 | Final += URItoFileName(RealURI) + string(".IndexDiff"); | |
387 | ||
388 | if(Debug) | |
389 | std::clog << "Custom600Header-IMS: " << Final << std::endl; | |
390 | ||
391 | struct stat Buf; | |
392 | if (stat(Final.c_str(),&Buf) != 0) | |
393 | return "\nIndex-File: true"; | |
394 | ||
395 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
396 | } | |
92fcbfc1 DK |
397 | /*}}}*/ |
398 | bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ | |
2237bd01 MV |
399 | { |
400 | if(Debug) | |
1e4a2b76 AT |
401 | std::clog << "pkgAcqDiffIndex::ParseIndexDiff() " << IndexDiffFile |
402 | << std::endl; | |
2237bd01 MV |
403 | |
404 | pkgTagSection Tags; | |
405 | string ServerSha1; | |
406 | vector<DiffInfo> available_patches; | |
407 | ||
408 | FileFd Fd(IndexDiffFile,FileFd::ReadOnly); | |
409 | pkgTagFile TF(&Fd); | |
410 | if (_error->PendingError() == true) | |
411 | return false; | |
412 | ||
413 | if(TF.Step(Tags) == true) | |
414 | { | |
002d9943 MV |
415 | bool found = false; |
416 | DiffInfo d; | |
417 | string size; | |
418 | ||
02dceb31 | 419 | string const tmp = Tags.FindS("SHA1-Current"); |
2237bd01 | 420 | std::stringstream ss(tmp); |
02dceb31 DK |
421 | ss >> ServerSha1 >> size; |
422 | unsigned long const ServerSize = atol(size.c_str()); | |
2237bd01 | 423 | |
f213b6ea | 424 | FileFd fd(CurrentPackagesFile, FileFd::ReadOnly); |
2237bd01 | 425 | SHA1Summation SHA1; |
109eb151 | 426 | SHA1.AddFD(fd); |
02dceb31 | 427 | string const local_sha1 = SHA1.Result(); |
2237bd01 | 428 | |
5e1ed088 | 429 | if(local_sha1 == ServerSha1) |
2ac3eeb6 | 430 | { |
5e1ed088 | 431 | // we have the same sha1 as the server so we are done here |
2237bd01 MV |
432 | if(Debug) |
433 | std::clog << "Package file is up-to-date" << std::endl; | |
5e1ed088 DK |
434 | // list cleanup needs to know that this file as well as the already |
435 | // present index is ours, so we create an empty diff to save it for us | |
436 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, | |
437 | ExpectedHash, ServerSha1, available_patches); | |
438 | return true; | |
439 | } | |
440 | else | |
2ac3eeb6 | 441 | { |
002d9943 | 442 | if(Debug) |
f213b6ea | 443 | std::clog << "SHA1-Current: " << ServerSha1 << " and we start at "<< fd.Name() << " " << fd.Size() << " " << local_sha1 << std::endl; |
002d9943 MV |
444 | |
445 | // check the historie and see what patches we need | |
02dceb31 | 446 | string const history = Tags.FindS("SHA1-History"); |
002d9943 | 447 | std::stringstream hist(history); |
02dceb31 | 448 | while(hist >> d.sha1 >> size >> d.file) |
2ac3eeb6 | 449 | { |
002d9943 | 450 | // read until the first match is found |
02dceb31 | 451 | // from that point on, we probably need all diffs |
002d9943 MV |
452 | if(d.sha1 == local_sha1) |
453 | found=true; | |
02dceb31 DK |
454 | else if (found == false) |
455 | continue; | |
456 | ||
457 | if(Debug) | |
458 | std::clog << "Need to get diff: " << d.file << std::endl; | |
459 | available_patches.push_back(d); | |
460 | } | |
461 | ||
462 | if (available_patches.empty() == false) | |
463 | { | |
464 | // patching with too many files is rather slow compared to a fast download | |
c3a17127 | 465 | unsigned long const fileLimit = _config->FindI("Acquire::PDiffs::FileLimit", 0); |
02dceb31 DK |
466 | if (fileLimit != 0 && fileLimit < available_patches.size()) |
467 | { | |
468 | if (Debug) | |
469 | std::clog << "Need " << available_patches.size() << " diffs (Limit is " << fileLimit | |
470 | << ") so fallback to complete download" << std::endl; | |
471 | return false; | |
472 | } | |
473 | ||
474 | // see if the patches are too big | |
475 | found = false; // it was true and it will be true again at the end | |
476 | d = *available_patches.begin(); | |
477 | string const firstPatch = d.file; | |
478 | unsigned long patchesSize = 0; | |
479 | std::stringstream patches(Tags.FindS("SHA1-Patches")); | |
480 | while(patches >> d.sha1 >> size >> d.file) | |
481 | { | |
482 | if (firstPatch == d.file) | |
483 | found = true; | |
484 | else if (found == false) | |
485 | continue; | |
486 | ||
487 | patchesSize += atol(size.c_str()); | |
488 | } | |
489 | unsigned long const sizeLimit = ServerSize * _config->FindI("Acquire::PDiffs::SizeLimit", 100); | |
490 | if (sizeLimit > 0 && (sizeLimit/100) < patchesSize) | |
2ac3eeb6 | 491 | { |
02dceb31 DK |
492 | if (Debug) |
493 | std::clog << "Need " << patchesSize << " bytes (Limit is " << sizeLimit/100 | |
494 | << ") so fallback to complete download" << std::endl; | |
495 | return false; | |
002d9943 | 496 | } |
2237bd01 MV |
497 | } |
498 | } | |
499 | ||
05aab406 | 500 | // we have something, queue the next diff |
47d2bc78 | 501 | if(found) |
2ac3eeb6 | 502 | { |
2237bd01 | 503 | // queue the diffs |
02dceb31 | 504 | string::size_type const last_space = Description.rfind(" "); |
05aab406 MV |
505 | if(last_space != string::npos) |
506 | Description.erase(last_space, Description.size()-last_space); | |
47d2bc78 DK |
507 | |
508 | /* decide if we should download patches one by one or in one go: | |
509 | The first is good if the server merges patches, but many don't so client | |
510 | based merging can be attempt in which case the second is better. | |
511 | "bad things" will happen if patches are merged on the server, | |
512 | but client side merging is attempt as well */ | |
513 | bool pdiff_merge = _config->FindB("Acquire::PDiffs::Merge", true); | |
514 | if (pdiff_merge == true) | |
515 | { | |
50bd6fd3 DK |
516 | // reprepro adds this flag if it has merged patches on the server |
517 | std::string const precedence = Tags.FindS("X-Patch-Precedence"); | |
518 | pdiff_merge = (precedence != "merged"); | |
47d2bc78 DK |
519 | } |
520 | ||
521 | if (pdiff_merge == false) | |
522 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, | |
523 | ExpectedHash, ServerSha1, available_patches); | |
524 | else | |
525 | { | |
526 | std::vector<pkgAcqIndexMergeDiffs*> *diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size()); | |
527 | for(size_t i = 0; i < available_patches.size(); ++i) | |
528 | (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, RealURI, Description, Desc.ShortDesc, ExpectedHash, | |
529 | available_patches[i], diffs); | |
530 | } | |
531 | ||
2237bd01 MV |
532 | Complete = false; |
533 | Status = StatDone; | |
534 | Dequeue(); | |
535 | return true; | |
536 | } | |
537 | } | |
05aab406 MV |
538 | |
539 | // Nothing found, report and return false | |
540 | // Failing here is ok, if we return false later, the full | |
541 | // IndexFile is queued | |
542 | if(Debug) | |
543 | std::clog << "Can't find a patch in the index file" << std::endl; | |
2237bd01 MV |
544 | return false; |
545 | } | |
92fcbfc1 DK |
546 | /*}}}*/ |
547 | void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ | |
2237bd01 MV |
548 | { |
549 | if(Debug) | |
550 | std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl | |
551 | << "Falling back to normal index file aquire" << std::endl; | |
552 | ||
002d9943 | 553 | new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc, |
495e5cb2 | 554 | ExpectedHash); |
2237bd01 MV |
555 | |
556 | Complete = false; | |
557 | Status = StatDone; | |
558 | Dequeue(); | |
559 | } | |
92fcbfc1 | 560 | /*}}}*/ |
73da43e9 | 561 | void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ |
2237bd01 MV |
562 | pkgAcquire::MethodConfig *Cnf) |
563 | { | |
564 | if(Debug) | |
565 | std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl; | |
566 | ||
567 | Item::Done(Message,Size,Md5Hash,Cnf); | |
568 | ||
569 | string FinalFile; | |
570 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
571 | ||
572 | // sucess in downloading the index | |
573 | // rename the index | |
574 | FinalFile += string(".IndexDiff"); | |
575 | if(Debug) | |
576 | std::clog << "Renaming: " << DestFile << " -> " << FinalFile | |
577 | << std::endl; | |
578 | Rename(DestFile,FinalFile); | |
579 | chmod(FinalFile.c_str(),0644); | |
580 | DestFile = FinalFile; | |
581 | ||
582 | if(!ParseDiffIndex(DestFile)) | |
583 | return Failed("", NULL); | |
584 | ||
585 | Complete = true; | |
586 | Status = StatDone; | |
587 | Dequeue(); | |
588 | return; | |
589 | } | |
92fcbfc1 DK |
590 | /*}}}*/ |
591 | // AcqIndexDiffs::AcqIndexDiffs - Constructor /*{{{*/ | |
2237bd01 MV |
592 | // --------------------------------------------------------------------- |
593 | /* The package diff is added to the queue. one object is constructed | |
594 | * for each diff and the index | |
595 | */ | |
596 | pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, | |
597 | string URI,string URIDesc,string ShortDesc, | |
59d5cc74 | 598 | HashString ExpectedHash, |
8a3207f4 | 599 | string ServerSha1, |
495e5cb2 MV |
600 | vector<DiffInfo> diffs) |
601 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), | |
8a3207f4 | 602 | available_patches(diffs), ServerSha1(ServerSha1) |
2237bd01 MV |
603 | { |
604 | ||
605 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
606 | DestFile += URItoFileName(URI); | |
607 | ||
608 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); | |
609 | ||
05aab406 | 610 | Description = URIDesc; |
2237bd01 MV |
611 | Desc.Owner = this; |
612 | Desc.ShortDesc = ShortDesc; | |
613 | ||
69c2ecbd | 614 | if(available_patches.empty() == true) |
2ac3eeb6 | 615 | { |
2237bd01 MV |
616 | // we are done (yeah!) |
617 | Finish(true); | |
2ac3eeb6 MV |
618 | } |
619 | else | |
620 | { | |
2237bd01 MV |
621 | // get the next diff |
622 | State = StateFetchDiff; | |
623 | QueueNextDiff(); | |
624 | } | |
625 | } | |
92fcbfc1 DK |
626 | /*}}}*/ |
627 | void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ | |
ac5b205a | 628 | { |
2237bd01 MV |
629 | if(Debug) |
630 | std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl | |
631 | << "Falling back to normal index file aquire" << std::endl; | |
632 | new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, | |
495e5cb2 | 633 | ExpectedHash); |
ac5b205a MV |
634 | Finish(); |
635 | } | |
92fcbfc1 DK |
636 | /*}}}*/ |
637 | // Finish - helper that cleans the item out of the fetcher queue /*{{{*/ | |
ac5b205a MV |
638 | void pkgAcqIndexDiffs::Finish(bool allDone) |
639 | { | |
640 | // we restore the original name, this is required, otherwise | |
641 | // the file will be cleaned | |
2ac3eeb6 MV |
642 | if(allDone) |
643 | { | |
ac5b205a MV |
644 | DestFile = _config->FindDir("Dir::State::lists"); |
645 | DestFile += URItoFileName(RealURI); | |
2d4722e2 | 646 | |
495e5cb2 | 647 | if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile)) |
2d4722e2 | 648 | { |
3c8030a4 | 649 | RenameOnError(HashSumMismatch); |
2d4722e2 MV |
650 | Dequeue(); |
651 | return; | |
652 | } | |
653 | ||
654 | // this is for the "real" finish | |
ac5b205a | 655 | Complete = true; |
cffc2ddd | 656 | Status = StatDone; |
ac5b205a MV |
657 | Dequeue(); |
658 | if(Debug) | |
659 | std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl; | |
660 | return; | |
ac5b205a MV |
661 | } |
662 | ||
663 | if(Debug) | |
664 | std::clog << "Finishing: " << Desc.URI << std::endl; | |
665 | Complete = false; | |
666 | Status = StatDone; | |
667 | Dequeue(); | |
668 | return; | |
669 | } | |
92fcbfc1 DK |
670 | /*}}}*/ |
671 | bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ | |
ac5b205a | 672 | { |
3de9ff77 | 673 | |
94dc9d7d MV |
674 | // calc sha1 of the just patched file |
675 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
676 | FinalFile += URItoFileName(RealURI); | |
677 | ||
f213b6ea | 678 | FileFd fd(FinalFile, FileFd::ReadOnly); |
94dc9d7d | 679 | SHA1Summation SHA1; |
109eb151 | 680 | SHA1.AddFD(fd); |
94dc9d7d | 681 | string local_sha1 = string(SHA1.Result()); |
3de9ff77 MV |
682 | if(Debug) |
683 | std::clog << "QueueNextDiff: " | |
684 | << FinalFile << " (" << local_sha1 << ")"<<std::endl; | |
94dc9d7d | 685 | |
8a3207f4 DK |
686 | // final file reached before all patches are applied |
687 | if(local_sha1 == ServerSha1) | |
688 | { | |
689 | Finish(true); | |
690 | return true; | |
691 | } | |
692 | ||
26d27645 MV |
693 | // remove all patches until the next matching patch is found |
694 | // this requires the Index file to be ordered | |
94dc9d7d | 695 | for(vector<DiffInfo>::iterator I=available_patches.begin(); |
f7f0d6c7 | 696 | available_patches.empty() == false && |
2ac3eeb6 | 697 | I != available_patches.end() && |
f7f0d6c7 DK |
698 | I->sha1 != local_sha1; |
699 | ++I) | |
2ac3eeb6 | 700 | { |
26d27645 | 701 | available_patches.erase(I); |
59a704f0 | 702 | } |
94dc9d7d MV |
703 | |
704 | // error checking and falling back if no patch was found | |
f7f0d6c7 DK |
705 | if(available_patches.empty() == true) |
706 | { | |
94dc9d7d MV |
707 | Failed("", NULL); |
708 | return false; | |
709 | } | |
6cb30d01 | 710 | |
94dc9d7d | 711 | // queue the right diff |
2237bd01 | 712 | Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz"; |
05aab406 | 713 | Desc.Description = Description + " " + available_patches[0].file + string(".pdiff"); |
ac5b205a | 714 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
2237bd01 | 715 | DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file); |
ac5b205a MV |
716 | |
717 | if(Debug) | |
718 | std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl; | |
719 | ||
720 | QueueURI(Desc); | |
721 | ||
722 | return true; | |
723 | } | |
92fcbfc1 | 724 | /*}}}*/ |
73da43e9 | 725 | void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ |
ac5b205a MV |
726 | pkgAcquire::MethodConfig *Cnf) |
727 | { | |
728 | if(Debug) | |
729 | std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl; | |
730 | ||
731 | Item::Done(Message,Size,Md5Hash,Cnf); | |
732 | ||
4a0a786f MV |
733 | string FinalFile; |
734 | FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); | |
6cb30d01 | 735 | |
4a0a786f | 736 | // sucess in downloading a diff, enter ApplyDiff state |
caffd480 | 737 | if(State == StateFetchDiff) |
4a0a786f MV |
738 | { |
739 | ||
740 | // rred excepts the patch as $FinalFile.ed | |
741 | Rename(DestFile,FinalFile+".ed"); | |
742 | ||
743 | if(Debug) | |
744 | std::clog << "Sending to rred method: " << FinalFile << std::endl; | |
745 | ||
746 | State = StateApplyDiff; | |
b7347826 | 747 | Local = true; |
4a0a786f MV |
748 | Desc.URI = "rred:" + FinalFile; |
749 | QueueURI(Desc); | |
750 | Mode = "rred"; | |
751 | return; | |
752 | } | |
753 | ||
754 | ||
755 | // success in download/apply a diff, queue next (if needed) | |
756 | if(State == StateApplyDiff) | |
757 | { | |
758 | // remove the just applied patch | |
94dc9d7d | 759 | available_patches.erase(available_patches.begin()); |
ac5b205a | 760 | |
4a0a786f | 761 | // move into place |
59a704f0 MV |
762 | if(Debug) |
763 | { | |
4a0a786f MV |
764 | std::clog << "Moving patched file in place: " << std::endl |
765 | << DestFile << " -> " << FinalFile << std::endl; | |
59a704f0 | 766 | } |
4a0a786f | 767 | Rename(DestFile,FinalFile); |
1790e0cf | 768 | chmod(FinalFile.c_str(),0644); |
4a0a786f MV |
769 | |
770 | // see if there is more to download | |
f7f0d6c7 | 771 | if(available_patches.empty() == false) { |
ac5b205a | 772 | new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, |
8a3207f4 | 773 | ExpectedHash, ServerSha1, available_patches); |
4a0a786f MV |
774 | return Finish(); |
775 | } else | |
776 | return Finish(true); | |
ac5b205a | 777 | } |
ac5b205a | 778 | } |
92fcbfc1 | 779 | /*}}}*/ |
47d2bc78 DK |
780 | // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/ |
781 | pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner, | |
782 | string const &URI, string const &URIDesc, | |
783 | string const &ShortDesc, HashString const &ExpectedHash, | |
784 | DiffInfo const &patch, | |
785 | std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches) | |
786 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), | |
787 | patch(patch),allPatches(allPatches), State(StateFetchDiff) | |
788 | { | |
789 | ||
790 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
791 | DestFile += URItoFileName(URI); | |
792 | ||
793 | Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); | |
794 | ||
795 | Description = URIDesc; | |
796 | Desc.Owner = this; | |
797 | Desc.ShortDesc = ShortDesc; | |
798 | ||
799 | Desc.URI = string(RealURI) + ".diff/" + patch.file + ".gz"; | |
800 | Desc.Description = Description + " " + patch.file + string(".pdiff"); | |
801 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
802 | DestFile += URItoFileName(RealURI + ".diff/" + patch.file); | |
803 | ||
804 | if(Debug) | |
805 | std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl; | |
806 | ||
807 | QueueURI(Desc); | |
808 | } | |
809 | /*}}}*/ | |
810 | void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/ | |
811 | { | |
812 | if(Debug) | |
813 | std::clog << "pkgAcqIndexMergeDiffs failed: " << Desc.URI << " with " << Message << std::endl; | |
814 | Complete = false; | |
815 | Status = StatDone; | |
816 | Dequeue(); | |
817 | ||
818 | // check if we are the first to fail, otherwise we are done here | |
819 | State = StateDoneDiff; | |
820 | for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin(); | |
821 | I != allPatches->end(); ++I) | |
822 | if ((*I)->State == StateErrorDiff) | |
823 | return; | |
824 | ||
825 | // first failure means we should fallback | |
826 | State = StateErrorDiff; | |
827 | std::clog << "Falling back to normal index file aquire" << std::endl; | |
828 | new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc, | |
829 | ExpectedHash); | |
830 | } | |
831 | /*}}}*/ | |
832 | void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ | |
833 | pkgAcquire::MethodConfig *Cnf) | |
834 | { | |
835 | if(Debug) | |
836 | std::clog << "pkgAcqIndexMergeDiffs::Done(): " << Desc.URI << std::endl; | |
837 | ||
838 | Item::Done(Message,Size,Md5Hash,Cnf); | |
839 | ||
840 | string const FinalFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); | |
841 | ||
842 | if (State == StateFetchDiff) | |
843 | { | |
844 | // rred expects the patch as $FinalFile.ed.$patchname.gz | |
845 | Rename(DestFile, FinalFile + ".ed." + patch.file + ".gz"); | |
846 | ||
847 | // check if this is the last completed diff | |
848 | State = StateDoneDiff; | |
849 | for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin(); | |
850 | I != allPatches->end(); ++I) | |
851 | if ((*I)->State != StateDoneDiff) | |
852 | { | |
853 | if(Debug) | |
854 | std::clog << "Not the last done diff in the batch: " << Desc.URI << std::endl; | |
855 | return; | |
856 | } | |
857 | ||
858 | // this is the last completed diff, so we are ready to apply now | |
859 | State = StateApplyDiff; | |
860 | ||
861 | if(Debug) | |
862 | std::clog << "Sending to rred method: " << FinalFile << std::endl; | |
863 | ||
864 | Local = true; | |
865 | Desc.URI = "rred:" + FinalFile; | |
866 | QueueURI(Desc); | |
867 | Mode = "rred"; | |
868 | return; | |
869 | } | |
870 | // success in download/apply all diffs, clean up | |
871 | else if (State == StateApplyDiff) | |
872 | { | |
873 | // see if we really got the expected file | |
874 | if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile)) | |
875 | { | |
876 | RenameOnError(HashSumMismatch); | |
877 | return; | |
878 | } | |
879 | ||
880 | // move the result into place | |
881 | if(Debug) | |
882 | std::clog << "Moving patched file in place: " << std::endl | |
883 | << DestFile << " -> " << FinalFile << std::endl; | |
884 | Rename(DestFile, FinalFile); | |
885 | chmod(FinalFile.c_str(), 0644); | |
886 | ||
887 | // otherwise lists cleanup will eat the file | |
888 | DestFile = FinalFile; | |
889 | ||
890 | // all set and done | |
891 | Complete = true; | |
892 | if(Debug) | |
893 | std::clog << "allDone: " << DestFile << "\n" << std::endl; | |
894 | } | |
895 | } | |
896 | /*}}}*/ | |
0118833a AL |
897 | // AcqIndex::AcqIndex - Constructor /*{{{*/ |
898 | // --------------------------------------------------------------------- | |
899 | /* The package file is added to the queue and a second class is | |
b2e465d6 AL |
900 | instantiated to fetch the revision file */ |
901 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, | |
b3d44315 | 902 | string URI,string URIDesc,string ShortDesc, |
495e5cb2 MV |
903 | HashString ExpectedHash, string comprExt) |
904 | : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash) | |
0118833a | 905 | { |
5d885723 DK |
906 | if(comprExt.empty() == true) |
907 | { | |
908 | // autoselect the compression method | |
909 | std::vector<std::string> types = APT::Configuration::getCompressionTypes(); | |
910 | for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) | |
911 | comprExt.append(*t).append(" "); | |
912 | if (comprExt.empty() == false) | |
913 | comprExt.erase(comprExt.end()-1); | |
914 | } | |
915 | CompressionExtension = comprExt; | |
916 | ||
917 | Init(URI, URIDesc, ShortDesc); | |
918 | } | |
919 | pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target, | |
920 | HashString const &ExpectedHash, indexRecords const *MetaIndexParser) | |
921 | : Item(Owner), RealURI(Target->URI), ExpectedHash(ExpectedHash) | |
922 | { | |
923 | // autoselect the compression method | |
924 | std::vector<std::string> types = APT::Configuration::getCompressionTypes(); | |
925 | CompressionExtension = ""; | |
926 | if (ExpectedHash.empty() == false) | |
927 | { | |
928 | for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) | |
929 | if (*t == "uncompressed" || MetaIndexParser->Exists(string(Target->MetaKey).append(".").append(*t)) == true) | |
930 | CompressionExtension.append(*t).append(" "); | |
931 | } | |
932 | else | |
933 | { | |
934 | for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) | |
935 | CompressionExtension.append(*t).append(" "); | |
936 | } | |
937 | if (CompressionExtension.empty() == false) | |
938 | CompressionExtension.erase(CompressionExtension.end()-1); | |
939 | ||
97efc27f MV |
940 | // only verify non-optional targets, see acquire-item.h for a FIXME |
941 | // to make this more flexible | |
c5f661b7 MV |
942 | if (Target->IsOptional()) |
943 | Verify = false; | |
97efc27f MV |
944 | else |
945 | Verify = true; | |
c5f661b7 | 946 | |
5d885723 DK |
947 | Init(Target->URI, Target->Description, Target->ShortDesc); |
948 | } | |
949 | /*}}}*/ | |
950 | // AcqIndex::Init - defered Constructor /*{{{*/ | |
951 | void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &ShortDesc) { | |
8b89e57f | 952 | Decompression = false; |
bfd22fc0 | 953 | Erase = false; |
13e8426f | 954 | |
0a8a80e5 | 955 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 956 | DestFile += URItoFileName(URI); |
8267fe24 | 957 | |
5d885723 DK |
958 | std::string const comprExt = CompressionExtension.substr(0, CompressionExtension.find(' ')); |
959 | if (comprExt == "uncompressed") | |
960 | Desc.URI = URI; | |
961 | else | |
962 | Desc.URI = URI + '.' + comprExt; | |
b3d44315 | 963 | |
b2e465d6 | 964 | Desc.Description = URIDesc; |
8267fe24 | 965 | Desc.Owner = this; |
b2e465d6 | 966 | Desc.ShortDesc = ShortDesc; |
5d885723 | 967 | |
8267fe24 | 968 | QueueURI(Desc); |
0118833a AL |
969 | } |
970 | /*}}}*/ | |
0a8a80e5 | 971 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 972 | // --------------------------------------------------------------------- |
0a8a80e5 AL |
973 | /* The only header we use is the last-modified header. */ |
974 | string pkgAcqIndex::Custom600Headers() | |
0118833a | 975 | { |
0a8a80e5 | 976 | string Final = _config->FindDir("Dir::State::lists"); |
b2e465d6 | 977 | Final += URItoFileName(RealURI); |
01606def | 978 | if (_config->FindB("Acquire::GzipIndexes",false)) |
979 | Final += ".gz"; | |
0a8a80e5 | 980 | |
97b65b10 MV |
981 | string msg = "\nIndex-File: true"; |
982 | // FIXME: this really should use "IndexTarget::IsOptional()" but that | |
983 | // seems to be difficult without breaking ABI | |
984 | if (ShortDesc().find("Translation") != 0) | |
985 | msg += "\nFail-Ignore: true"; | |
0a8a80e5 | 986 | struct stat Buf; |
3a1f49c4 | 987 | if (stat(Final.c_str(),&Buf) == 0) |
97b65b10 MV |
988 | msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
989 | ||
990 | return msg; | |
0118833a AL |
991 | } |
992 | /*}}}*/ | |
92fcbfc1 | 993 | void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ |
debc84b2 | 994 | { |
5d885723 DK |
995 | size_t const nextExt = CompressionExtension.find(' '); |
996 | if (nextExt != std::string::npos) | |
e85b4cd5 | 997 | { |
5d885723 DK |
998 | CompressionExtension = CompressionExtension.substr(nextExt+1); |
999 | Init(RealURI, Desc.Description, Desc.ShortDesc); | |
6abe2699 | 1000 | return; |
0d7a243d EL |
1001 | } |
1002 | ||
17ff0930 | 1003 | // on decompression failure, remove bad versions in partial/ |
5d885723 | 1004 | if (Decompression && Erase) { |
17ff0930 | 1005 | string s = _config->FindDir("Dir::State::lists") + "partial/"; |
5d885723 | 1006 | s.append(URItoFileName(RealURI)); |
17ff0930 | 1007 | unlink(s.c_str()); |
debc84b2 MZ |
1008 | } |
1009 | ||
debc84b2 MZ |
1010 | Item::Failed(Message,Cnf); |
1011 | } | |
92fcbfc1 | 1012 | /*}}}*/ |
8b89e57f AL |
1013 | // AcqIndex::Done - Finished a fetch /*{{{*/ |
1014 | // --------------------------------------------------------------------- | |
1015 | /* This goes through a number of states.. On the initial fetch the | |
1016 | method could possibly return an alternate filename which points | |
1017 | to the uncompressed version of the file. If this is so the file | |
1018 | is copied into the partial directory. In all other cases the file | |
1019 | is decompressed with a gzip uri. */ | |
73da43e9 | 1020 | void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash, |
459681d3 | 1021 | pkgAcquire::MethodConfig *Cfg) |
8b89e57f | 1022 | { |
495e5cb2 | 1023 | Item::Done(Message,Size,Hash,Cfg); |
8b89e57f AL |
1024 | |
1025 | if (Decompression == true) | |
1026 | { | |
b3d44315 MV |
1027 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) |
1028 | { | |
495e5cb2 MV |
1029 | std::cerr << std::endl << RealURI << ": Computed Hash: " << Hash; |
1030 | std::cerr << " Expected Hash: " << ExpectedHash.toStr() << std::endl; | |
b3d44315 MV |
1031 | } |
1032 | ||
8a8feb29 | 1033 | if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash) |
b3d44315 | 1034 | { |
3c8030a4 | 1035 | RenameOnError(HashSumMismatch); |
b3d44315 MV |
1036 | return; |
1037 | } | |
0901c5d0 JAK |
1038 | |
1039 | /* Verify the index file for correctness (all indexes must | |
4fdb6123 | 1040 | * have a Package field) (LP: #346386) (Closes: #627642) */ |
c5f661b7 | 1041 | if (Verify == true) |
0901c5d0 JAK |
1042 | { |
1043 | FileFd fd(DestFile, FileFd::ReadOnly); | |
3c8030a4 DK |
1044 | // Only test for correctness if the file is not empty (empty is ok) |
1045 | if (fd.FileSize() > 0) | |
1046 | { | |
1047 | pkgTagSection sec; | |
1048 | pkgTagFile tag(&fd); | |
1049 | ||
1050 | // all our current indexes have a field 'Package' in each section | |
1051 | if (_error->PendingError() == true || tag.Step(sec) == false || sec.Exists("Package") == false) | |
1052 | { | |
1053 | RenameOnError(InvalidFormat); | |
1054 | return; | |
1055 | } | |
a0c3110e | 1056 | } |
0901c5d0 JAK |
1057 | } |
1058 | ||
8b89e57f AL |
1059 | // Done, move it into position |
1060 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
b2e465d6 | 1061 | FinalFile += URItoFileName(RealURI); |
8b89e57f | 1062 | Rename(DestFile,FinalFile); |
7a3c2ab0 | 1063 | chmod(FinalFile.c_str(),0644); |
bfd22fc0 | 1064 | |
7a7fa5f0 AL |
1065 | /* We restore the original name to DestFile so that the clean operation |
1066 | will work OK */ | |
1067 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
b2e465d6 | 1068 | DestFile += URItoFileName(RealURI); |
7a7fa5f0 | 1069 | |
bfd22fc0 AL |
1070 | // Remove the compressed version. |
1071 | if (Erase == true) | |
bfd22fc0 | 1072 | unlink(DestFile.c_str()); |
8b89e57f AL |
1073 | return; |
1074 | } | |
bfd22fc0 AL |
1075 | |
1076 | Erase = false; | |
8267fe24 | 1077 | Complete = true; |
bfd22fc0 | 1078 | |
8b89e57f AL |
1079 | // Handle the unzipd case |
1080 | string FileName = LookupTag(Message,"Alt-Filename"); | |
1081 | if (FileName.empty() == false) | |
1082 | { | |
1083 | // The files timestamp matches | |
1084 | if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) | |
1085 | return; | |
8b89e57f | 1086 | Decompression = true; |
a6568219 | 1087 | Local = true; |
8b89e57f | 1088 | DestFile += ".decomp"; |
8267fe24 AL |
1089 | Desc.URI = "copy:" + FileName; |
1090 | QueueURI(Desc); | |
b98f2859 | 1091 | Mode = "copy"; |
8b89e57f AL |
1092 | return; |
1093 | } | |
1094 | ||
1095 | FileName = LookupTag(Message,"Filename"); | |
1096 | if (FileName.empty() == true) | |
1097 | { | |
1098 | Status = StatError; | |
1099 | ErrorText = "Method gave a blank filename"; | |
1100 | } | |
5d885723 DK |
1101 | |
1102 | std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' ')); | |
0b9032b1 | 1103 | |
8b89e57f | 1104 | // The files timestamp matches |
0b9032b1 | 1105 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) { |
1106 | if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz") | |
1107 | // Update DestFile for .gz suffix so that the clean operation keeps it | |
1108 | DestFile += ".gz"; | |
8b89e57f | 1109 | return; |
0b9032b1 | 1110 | } |
bfd22fc0 AL |
1111 | |
1112 | if (FileName == DestFile) | |
1113 | Erase = true; | |
8267fe24 | 1114 | else |
a6568219 | 1115 | Local = true; |
8b89e57f | 1116 | |
e85b4cd5 DK |
1117 | string decompProg; |
1118 | ||
bb109d0b | 1119 | // If we enable compressed indexes and already have gzip, keep it |
7aeee365 | 1120 | if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz" && !Local) { |
bb109d0b | 1121 | string FinalFile = _config->FindDir("Dir::State::lists"); |
1122 | FinalFile += URItoFileName(RealURI) + ".gz"; | |
bb109d0b | 1123 | Rename(DestFile,FinalFile); |
1124 | chmod(FinalFile.c_str(),0644); | |
1125 | ||
1126 | // Update DestFile for .gz suffix so that the clean operation keeps it | |
1127 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; | |
1128 | DestFile += URItoFileName(RealURI) + ".gz"; | |
1129 | return; | |
1130 | } | |
1131 | ||
e85b4cd5 DK |
1132 | // get the binary name for your used compression type |
1133 | decompProg = _config->Find(string("Acquire::CompressionTypes::").append(compExt),""); | |
1134 | if(decompProg.empty() == false); | |
5d885723 | 1135 | else if(compExt == "uncompressed") |
0d7a243d | 1136 | decompProg = "copy"; |
debc84b2 MZ |
1137 | else { |
1138 | _error->Error("Unsupported extension: %s", compExt.c_str()); | |
1139 | return; | |
1140 | } | |
1141 | ||
8b89e57f AL |
1142 | Decompression = true; |
1143 | DestFile += ".decomp"; | |
e85b4cd5 | 1144 | Desc.URI = decompProg + ":" + FileName; |
8267fe24 | 1145 | QueueURI(Desc); |
70e0c168 MV |
1146 | |
1147 | // FIXME: this points to a c++ string that goes out of scope | |
e85b4cd5 | 1148 | Mode = decompProg.c_str(); |
8b89e57f | 1149 | } |
92fcbfc1 | 1150 | /*}}}*/ |
a52f938b OS |
1151 | // AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/ |
1152 | // --------------------------------------------------------------------- | |
1153 | /* The Translation file is added to the queue */ | |
1154 | pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, | |
495e5cb2 MV |
1155 | string URI,string URIDesc,string ShortDesc) |
1156 | : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "") | |
a52f938b | 1157 | { |
ab53c018 DK |
1158 | } |
1159 | pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const *Target, | |
1160 | HashString const &ExpectedHash, indexRecords const *MetaIndexParser) | |
1161 | : pkgAcqIndex(Owner, Target, ExpectedHash, MetaIndexParser) | |
1162 | { | |
963b16dc MV |
1163 | } |
1164 | /*}}}*/ | |
1165 | // AcqIndexTrans::Custom600Headers - Insert custom request headers /*{{{*/ | |
1166 | // --------------------------------------------------------------------- | |
1167 | string pkgAcqIndexTrans::Custom600Headers() | |
1168 | { | |
c91d9a63 DK |
1169 | string Final = _config->FindDir("Dir::State::lists"); |
1170 | Final += URItoFileName(RealURI); | |
1171 | ||
1172 | struct stat Buf; | |
1173 | if (stat(Final.c_str(),&Buf) != 0) | |
a3f7fff8 MV |
1174 | return "\nFail-Ignore: true\nIndex-File: true"; |
1175 | return "\nFail-Ignore: true\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
a52f938b | 1176 | } |
a52f938b OS |
1177 | /*}}}*/ |
1178 | // AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/ | |
1179 | // --------------------------------------------------------------------- | |
1180 | /* */ | |
1181 | void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1182 | { | |
5d885723 DK |
1183 | size_t const nextExt = CompressionExtension.find(' '); |
1184 | if (nextExt != std::string::npos) | |
1185 | { | |
1186 | CompressionExtension = CompressionExtension.substr(nextExt+1); | |
1187 | Init(RealURI, Desc.Description, Desc.ShortDesc); | |
1188 | Status = StatIdle; | |
1189 | return; | |
1190 | } | |
1191 | ||
a52f938b OS |
1192 | if (Cnf->LocalOnly == true || |
1193 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) | |
1194 | { | |
1195 | // Ignore this | |
1196 | Status = StatDone; | |
1197 | Complete = false; | |
1198 | Dequeue(); | |
1199 | return; | |
1200 | } | |
5d885723 | 1201 | |
a52f938b OS |
1202 | Item::Failed(Message,Cnf); |
1203 | } | |
1204 | /*}}}*/ | |
92fcbfc1 | 1205 | pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ |
b3d44315 MV |
1206 | string URI,string URIDesc,string ShortDesc, |
1207 | string MetaIndexURI, string MetaIndexURIDesc, | |
1208 | string MetaIndexShortDesc, | |
1209 | const vector<IndexTarget*>* IndexTargets, | |
1210 | indexRecords* MetaIndexParser) : | |
1211 | Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI), | |
46e00f9d MV |
1212 | MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), |
1213 | MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets) | |
0118833a | 1214 | { |
0a8a80e5 | 1215 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
b2e465d6 | 1216 | DestFile += URItoFileName(URI); |
b3d44315 | 1217 | |
47eb38f4 MV |
1218 | // remove any partial downloaded sig-file in partial/. |
1219 | // it may confuse proxies and is too small to warrant a | |
1220 | // partial download anyway | |
f6237efd MV |
1221 | unlink(DestFile.c_str()); |
1222 | ||
8267fe24 | 1223 | // Create the item |
b2e465d6 | 1224 | Desc.Description = URIDesc; |
8267fe24 | 1225 | Desc.Owner = this; |
b3d44315 MV |
1226 | Desc.ShortDesc = ShortDesc; |
1227 | Desc.URI = URI; | |
b3d44315 MV |
1228 | |
1229 | string Final = _config->FindDir("Dir::State::lists"); | |
1230 | Final += URItoFileName(RealURI); | |
ffcccd62 | 1231 | if (RealFileExists(Final) == true) |
b3d44315 | 1232 | { |
ef942597 MV |
1233 | // File was already in place. It needs to be re-downloaded/verified |
1234 | // because Release might have changed, we do give it a differnt | |
1235 | // name than DestFile because otherwise the http method will | |
1236 | // send If-Range requests and there are too many broken servers | |
1237 | // out there that do not understand them | |
1238 | LastGoodSig = DestFile+".reverify"; | |
1239 | Rename(Final,LastGoodSig); | |
b3d44315 | 1240 | } |
8267fe24 | 1241 | |
8267fe24 | 1242 | QueueURI(Desc); |
ffcccd62 DK |
1243 | } |
1244 | /*}}}*/ | |
1245 | pkgAcqMetaSig::~pkgAcqMetaSig() /*{{{*/ | |
1246 | { | |
1247 | // if the file was never queued undo file-changes done in the constructor | |
1248 | if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false && | |
1249 | LastGoodSig.empty() == false) | |
1250 | { | |
1251 | string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); | |
1252 | if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true) | |
1253 | Rename(LastGoodSig, Final); | |
1254 | } | |
1255 | ||
0118833a AL |
1256 | } |
1257 | /*}}}*/ | |
b3d44315 | 1258 | // pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ |
0118833a | 1259 | // --------------------------------------------------------------------- |
0a8a80e5 | 1260 | /* The only header we use is the last-modified header. */ |
b3d44315 | 1261 | string pkgAcqMetaSig::Custom600Headers() |
0118833a | 1262 | { |
0a8a80e5 | 1263 | struct stat Buf; |
ef942597 | 1264 | if (stat(LastGoodSig.c_str(),&Buf) != 0) |
a72ace20 | 1265 | return "\nIndex-File: true"; |
a789b983 | 1266 | |
a72ace20 | 1267 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); |
0118833a | 1268 | } |
b3d44315 | 1269 | |
73da43e9 | 1270 | void pkgAcqMetaSig::Done(string Message,unsigned long long Size,string MD5, |
b3d44315 | 1271 | pkgAcquire::MethodConfig *Cfg) |
c88edf1d | 1272 | { |
459681d3 | 1273 | Item::Done(Message,Size,MD5,Cfg); |
c88edf1d AL |
1274 | |
1275 | string FileName = LookupTag(Message,"Filename"); | |
1276 | if (FileName.empty() == true) | |
1277 | { | |
1278 | Status = StatError; | |
1279 | ErrorText = "Method gave a blank filename"; | |
8b89e57f | 1280 | return; |
c88edf1d | 1281 | } |
8b89e57f | 1282 | |
c88edf1d AL |
1283 | if (FileName != DestFile) |
1284 | { | |
b3d44315 | 1285 | // We have to copy it into place |
a6568219 | 1286 | Local = true; |
8267fe24 AL |
1287 | Desc.URI = "copy:" + FileName; |
1288 | QueueURI(Desc); | |
c88edf1d AL |
1289 | return; |
1290 | } | |
b3d44315 MV |
1291 | |
1292 | Complete = true; | |
1293 | ||
ef942597 MV |
1294 | // put the last known good file back on i-m-s hit (it will |
1295 | // be re-verified again) | |
1296 | // Else do nothing, we have the new file in DestFile then | |
1297 | if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
1298 | Rename(LastGoodSig, DestFile); | |
1299 | ||
b3d44315 | 1300 | // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved |
fce72602 MV |
1301 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, |
1302 | MetaIndexShortDesc, DestFile, IndexTargets, | |
1303 | MetaIndexParser); | |
b3d44315 | 1304 | |
c88edf1d AL |
1305 | } |
1306 | /*}}}*/ | |
92fcbfc1 | 1307 | void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/ |
681d76d0 | 1308 | { |
47eb38f4 | 1309 | string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); |
a789b983 | 1310 | |
75dd8af1 | 1311 | // if we get a network error we fail gracefully |
7e5f33eb MV |
1312 | if(Status == StatTransientNetworkError) |
1313 | { | |
24057ad6 | 1314 | Item::Failed(Message,Cnf); |
484dbb81 | 1315 | // move the sigfile back on transient network failures |
7730e095 | 1316 | if(FileExists(LastGoodSig)) |
ef942597 | 1317 | Rename(LastGoodSig,Final); |
7e5f33eb MV |
1318 | |
1319 | // set the status back to , Item::Failed likes to reset it | |
1320 | Status = pkgAcquire::Item::StatTransientNetworkError; | |
24057ad6 MV |
1321 | return; |
1322 | } | |
1323 | ||
75dd8af1 | 1324 | // Delete any existing sigfile when the acquire failed |
75dd8af1 MV |
1325 | unlink(Final.c_str()); |
1326 | ||
b3d44315 MV |
1327 | // queue a pkgAcqMetaIndex with no sigfile |
1328 | new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
1329 | "", IndexTargets, MetaIndexParser); | |
1330 | ||
681d76d0 AL |
1331 | if (Cnf->LocalOnly == true || |
1332 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) | |
1333 | { | |
2b154e53 AL |
1334 | // Ignore this |
1335 | Status = StatDone; | |
1336 | Complete = false; | |
681d76d0 AL |
1337 | Dequeue(); |
1338 | return; | |
1339 | } | |
1340 | ||
1341 | Item::Failed(Message,Cnf); | |
1342 | } | |
92fcbfc1 DK |
1343 | /*}}}*/ |
1344 | pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/ | |
b3d44315 MV |
1345 | string URI,string URIDesc,string ShortDesc, |
1346 | string SigFile, | |
1347 | const vector<struct IndexTarget*>* IndexTargets, | |
1348 | indexRecords* MetaIndexParser) : | |
21fd1746 OS |
1349 | Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets), |
1350 | MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false) | |
b3d44315 | 1351 | { |
b3d44315 MV |
1352 | DestFile = _config->FindDir("Dir::State::lists") + "partial/"; |
1353 | DestFile += URItoFileName(URI); | |
1354 | ||
1355 | // Create the item | |
1356 | Desc.Description = URIDesc; | |
1357 | Desc.Owner = this; | |
1358 | Desc.ShortDesc = ShortDesc; | |
1359 | Desc.URI = URI; | |
1360 | ||
1361 | QueueURI(Desc); | |
1362 | } | |
b3d44315 MV |
1363 | /*}}}*/ |
1364 | // pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/ | |
1365 | // --------------------------------------------------------------------- | |
1366 | /* The only header we use is the last-modified header. */ | |
1367 | string pkgAcqMetaIndex::Custom600Headers() | |
1368 | { | |
1369 | string Final = _config->FindDir("Dir::State::lists"); | |
1370 | Final += URItoFileName(RealURI); | |
1371 | ||
1372 | struct stat Buf; | |
1373 | if (stat(Final.c_str(),&Buf) != 0) | |
1374 | return "\nIndex-File: true"; | |
1375 | ||
1376 | return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
1377 | } | |
92fcbfc1 | 1378 | /*}}}*/ |
73da43e9 | 1379 | void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,string Hash, /*{{{*/ |
b3d44315 MV |
1380 | pkgAcquire::MethodConfig *Cfg) |
1381 | { | |
495e5cb2 | 1382 | Item::Done(Message,Size,Hash,Cfg); |
b3d44315 MV |
1383 | |
1384 | // MetaIndexes are done in two passes: one to download the | |
1385 | // metaindex with an appropriate method, and a second to verify it | |
1386 | // with the gpgv method | |
1387 | ||
1388 | if (AuthPass == true) | |
1389 | { | |
1390 | AuthDone(Message); | |
fce72602 MV |
1391 | |
1392 | // all cool, move Release file into place | |
1393 | Complete = true; | |
b3d44315 MV |
1394 | } |
1395 | else | |
1396 | { | |
1397 | RetrievalDone(Message); | |
1398 | if (!Complete) | |
1399 | // Still more retrieving to do | |
1400 | return; | |
1401 | ||
1402 | if (SigFile == "") | |
1403 | { | |
1404 | // There was no signature file, so we are finished. Download | |
1207cf3f | 1405 | // the indexes and do only hashsum verification if possible |
3568a640 | 1406 | MetaIndexParser->Load(DestFile); |
1207cf3f | 1407 | QueueIndexes(false); |
b3d44315 MV |
1408 | } |
1409 | else | |
1410 | { | |
1411 | // There was a signature file, so pass it to gpgv for | |
1412 | // verification | |
1413 | ||
1414 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1415 | std::cerr << "Metaindex acquired, queueing gpg verification (" | |
1416 | << SigFile << "," << DestFile << ")\n"; | |
1417 | AuthPass = true; | |
1418 | Desc.URI = "gpgv:" + SigFile; | |
1419 | QueueURI(Desc); | |
1420 | Mode = "gpgv"; | |
56bc3358 | 1421 | return; |
b3d44315 MV |
1422 | } |
1423 | } | |
56bc3358 DK |
1424 | |
1425 | if (Complete == true) | |
1426 | { | |
1427 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
1428 | FinalFile += URItoFileName(RealURI); | |
fe0f7911 DK |
1429 | if (SigFile == DestFile) |
1430 | SigFile = FinalFile; | |
56bc3358 DK |
1431 | Rename(DestFile,FinalFile); |
1432 | chmod(FinalFile.c_str(),0644); | |
1433 | DestFile = FinalFile; | |
1434 | } | |
b3d44315 | 1435 | } |
92fcbfc1 DK |
1436 | /*}}}*/ |
1437 | void pkgAcqMetaIndex::RetrievalDone(string Message) /*{{{*/ | |
b3d44315 MV |
1438 | { |
1439 | // We have just finished downloading a Release file (it is not | |
1440 | // verified yet) | |
1441 | ||
1442 | string FileName = LookupTag(Message,"Filename"); | |
1443 | if (FileName.empty() == true) | |
1444 | { | |
1445 | Status = StatError; | |
1446 | ErrorText = "Method gave a blank filename"; | |
1447 | return; | |
1448 | } | |
1449 | ||
1450 | if (FileName != DestFile) | |
1451 | { | |
1452 | Local = true; | |
1453 | Desc.URI = "copy:" + FileName; | |
1454 | QueueURI(Desc); | |
1455 | return; | |
1456 | } | |
1457 | ||
fce72602 | 1458 | // make sure to verify against the right file on I-M-S hit |
f381d68d | 1459 | IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false); |
fce72602 MV |
1460 | if(IMSHit) |
1461 | { | |
1462 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
1463 | FinalFile += URItoFileName(RealURI); | |
fe0f7911 | 1464 | if (SigFile == DestFile) |
0aec7d5c | 1465 | { |
fe0f7911 | 1466 | SigFile = FinalFile; |
0aec7d5c DK |
1467 | // constructor of pkgAcqMetaClearSig moved it out of the way, |
1468 | // now move it back in on IMS hit for the 'old' file | |
1469 | string const OldClearSig = DestFile + ".reverify"; | |
1470 | if (RealFileExists(OldClearSig) == true) | |
1471 | Rename(OldClearSig, FinalFile); | |
1472 | } | |
fce72602 MV |
1473 | DestFile = FinalFile; |
1474 | } | |
b3d44315 | 1475 | Complete = true; |
b3d44315 | 1476 | } |
92fcbfc1 DK |
1477 | /*}}}*/ |
1478 | void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/ | |
b3d44315 MV |
1479 | { |
1480 | // At this point, the gpgv method has succeeded, so there is a | |
1481 | // valid signature from a key in the trusted keyring. We | |
1482 | // perform additional verification of its contents, and use them | |
1483 | // to verify the indexes we are about to download | |
1484 | ||
1485 | if (!MetaIndexParser->Load(DestFile)) | |
1486 | { | |
1487 | Status = StatAuthError; | |
1488 | ErrorText = MetaIndexParser->ErrorText; | |
1489 | return; | |
1490 | } | |
1491 | ||
ce424cd4 | 1492 | if (!VerifyVendor(Message)) |
b3d44315 MV |
1493 | { |
1494 | return; | |
1495 | } | |
1496 | ||
1497 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
1498 | std::cerr << "Signature verification succeeded: " | |
1499 | << DestFile << std::endl; | |
1500 | ||
1501 | // Download further indexes with verification | |
1502 | QueueIndexes(true); | |
1503 | ||
fe0f7911 DK |
1504 | // is it a clearsigned MetaIndex file? |
1505 | if (DestFile == SigFile) | |
1506 | return; | |
1507 | ||
b3d44315 | 1508 | // Done, move signature file into position |
b3d44315 MV |
1509 | string VerifiedSigFile = _config->FindDir("Dir::State::lists") + |
1510 | URItoFileName(RealURI) + ".gpg"; | |
1511 | Rename(SigFile,VerifiedSigFile); | |
1512 | chmod(VerifiedSigFile.c_str(),0644); | |
1513 | } | |
92fcbfc1 DK |
1514 | /*}}}*/ |
1515 | void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ | |
b3d44315 | 1516 | { |
0901c5d0 | 1517 | #if 0 |
4fdb6123 | 1518 | /* Reject invalid, existing Release files (LP: #346386) (Closes: #627642) |
0901c5d0 JAK |
1519 | * FIXME: Disabled; it breaks unsigned repositories without hashes */ |
1520 | if (!verify && FileExists(DestFile) && !MetaIndexParser->Load(DestFile)) | |
1521 | { | |
1522 | Status = StatError; | |
1523 | ErrorText = MetaIndexParser->ErrorText; | |
1524 | return; | |
1525 | } | |
1526 | #endif | |
8e3900d0 DK |
1527 | bool transInRelease = false; |
1528 | { | |
1529 | std::vector<std::string> const keys = MetaIndexParser->MetaKeys(); | |
1530 | for (std::vector<std::string>::const_iterator k = keys.begin(); k != keys.end(); ++k) | |
1531 | // FIXME: Feels wrong to check for hardcoded string here, but what should we do else… | |
1532 | if (k->find("Translation-") != std::string::npos) | |
1533 | { | |
1534 | transInRelease = true; | |
1535 | break; | |
1536 | } | |
1537 | } | |
1538 | ||
b3d44315 MV |
1539 | for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin(); |
1540 | Target != IndexTargets->end(); | |
f7f0d6c7 | 1541 | ++Target) |
b3d44315 | 1542 | { |
495e5cb2 | 1543 | HashString ExpectedIndexHash; |
1207cf3f | 1544 | const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey); |
a5b9f489 | 1545 | bool compressedAvailable = false; |
1207cf3f | 1546 | if (Record == NULL) |
b3d44315 | 1547 | { |
a5b9f489 DK |
1548 | if ((*Target)->IsOptional() == true) |
1549 | { | |
1550 | std::vector<std::string> types = APT::Configuration::getCompressionTypes(); | |
1551 | for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) | |
1552 | if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true) | |
1553 | { | |
1554 | compressedAvailable = true; | |
1555 | break; | |
1556 | } | |
1557 | } | |
1558 | else if (verify == true) | |
ab53c018 | 1559 | { |
1207cf3f DK |
1560 | Status = StatAuthError; |
1561 | strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str()); | |
1562 | return; | |
ab53c018 | 1563 | } |
1207cf3f DK |
1564 | } |
1565 | else | |
1566 | { | |
1567 | ExpectedIndexHash = Record->Hash; | |
1568 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) | |
ab53c018 | 1569 | { |
1207cf3f DK |
1570 | std::cerr << "Queueing: " << (*Target)->URI << std::endl; |
1571 | std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl; | |
1572 | std::cerr << "For: " << Record->MetaKeyFilename << std::endl; | |
1573 | } | |
1574 | if (verify == true && ExpectedIndexHash.empty() == true && (*Target)->IsOptional() == false) | |
1575 | { | |
1576 | Status = StatAuthError; | |
1577 | strprintf(ErrorText, _("Unable to find hash sum for '%s' in Release file"), (*Target)->MetaKey.c_str()); | |
1578 | return; | |
ab53c018 DK |
1579 | } |
1580 | } | |
1581 | ||
1582 | if ((*Target)->IsOptional() == true) | |
1583 | { | |
1584 | if ((*Target)->IsSubIndex() == true) | |
1585 | new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description, | |
1586 | (*Target)->ShortDesc, ExpectedIndexHash); | |
a5b9f489 | 1587 | else if (transInRelease == false || Record != NULL || compressedAvailable == true) |
8e3900d0 | 1588 | { |
f55602cb DK |
1589 | if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true && |
1590 | MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true) | |
1591 | new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description, | |
1592 | (*Target)->ShortDesc, ExpectedIndexHash); | |
1593 | else | |
1594 | new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHash, MetaIndexParser); | |
8e3900d0 | 1595 | } |
ab53c018 | 1596 | continue; |
b3d44315 | 1597 | } |
e1430400 DK |
1598 | |
1599 | /* Queue Packages file (either diff or full packages files, depending | |
1600 | on the users option) - we also check if the PDiff Index file is listed | |
1601 | in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this | |
1602 | instead, but passing the required info to it is to much hassle */ | |
1603 | if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false || | |
1604 | MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)) | |
2ac3eeb6 | 1605 | new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description, |
495e5cb2 | 1606 | (*Target)->ShortDesc, ExpectedIndexHash); |
e1430400 | 1607 | else |
5d885723 | 1608 | new pkgAcqIndex(Owner, *Target, ExpectedIndexHash, MetaIndexParser); |
b3d44315 MV |
1609 | } |
1610 | } | |
92fcbfc1 DK |
1611 | /*}}}*/ |
1612 | bool pkgAcqMetaIndex::VerifyVendor(string Message) /*{{{*/ | |
b3d44315 | 1613 | { |
ce424cd4 MV |
1614 | string::size_type pos; |
1615 | ||
1616 | // check for missing sigs (that where not fatal because otherwise we had | |
1617 | // bombed earlier) | |
1618 | string missingkeys; | |
400ad7a4 | 1619 | string msg = _("There is no public key available for the " |
ce424cd4 MV |
1620 | "following key IDs:\n"); |
1621 | pos = Message.find("NO_PUBKEY "); | |
1622 | if (pos != std::string::npos) | |
1623 | { | |
1624 | string::size_type start = pos+strlen("NO_PUBKEY "); | |
1625 | string Fingerprint = Message.substr(start, Message.find("\n")-start); | |
1626 | missingkeys += (Fingerprint); | |
1627 | } | |
1628 | if(!missingkeys.empty()) | |
1629 | _error->Warning("%s", string(msg+missingkeys).c_str()); | |
b3d44315 MV |
1630 | |
1631 | string Transformed = MetaIndexParser->GetExpectedDist(); | |
1632 | ||
1633 | if (Transformed == "../project/experimental") | |
1634 | { | |
1635 | Transformed = "experimental"; | |
1636 | } | |
1637 | ||
ce424cd4 | 1638 | pos = Transformed.rfind('/'); |
b3d44315 MV |
1639 | if (pos != string::npos) |
1640 | { | |
1641 | Transformed = Transformed.substr(0, pos); | |
1642 | } | |
1643 | ||
1644 | if (Transformed == ".") | |
1645 | { | |
1646 | Transformed = ""; | |
1647 | } | |
1648 | ||
0323317c DK |
1649 | if (_config->FindB("Acquire::Check-Valid-Until", true) == true && |
1650 | MetaIndexParser->GetValidUntil() > 0) { | |
1651 | time_t const invalid_since = time(NULL) - MetaIndexParser->GetValidUntil(); | |
1652 | if (invalid_since > 0) | |
1653 | // TRANSLATOR: The first %s is the URL of the bad Release file, the second is | |
1654 | // the time since then the file is invalid - formated in the same way as in | |
1655 | // the download progress display (e.g. 7d 3h 42min 1s) | |
457bea86 MV |
1656 | return _error->Error( |
1657 | _("Release file for %s is expired (invalid since %s). " | |
1658 | "Updates for this repository will not be applied."), | |
1659 | RealURI.c_str(), TimeToStr(invalid_since).c_str()); | |
1ddb8596 DK |
1660 | } |
1661 | ||
b3d44315 MV |
1662 | if (_config->FindB("Debug::pkgAcquire::Auth", false)) |
1663 | { | |
1664 | std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl; | |
1665 | std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl; | |
1666 | std::cerr << "Transformed Dist: " << Transformed << std::endl; | |
1667 | } | |
1668 | ||
1669 | if (MetaIndexParser->CheckDist(Transformed) == false) | |
1670 | { | |
1671 | // This might become fatal one day | |
1672 | // Status = StatAuthError; | |
1673 | // ErrorText = "Conflicting distribution; expected " | |
1674 | // + MetaIndexParser->GetExpectedDist() + " but got " | |
1675 | // + MetaIndexParser->GetDist(); | |
1676 | // return false; | |
1677 | if (!Transformed.empty()) | |
1678 | { | |
1ddb8596 | 1679 | _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"), |
b3d44315 MV |
1680 | Desc.Description.c_str(), |
1681 | Transformed.c_str(), | |
1682 | MetaIndexParser->GetDist().c_str()); | |
1683 | } | |
1684 | } | |
1685 | ||
1686 | return true; | |
1687 | } | |
92fcbfc1 DK |
1688 | /*}}}*/ |
1689 | // pkgAcqMetaIndex::Failed - no Release file present or no signature file present /*{{{*/ | |
b3d44315 MV |
1690 | // --------------------------------------------------------------------- |
1691 | /* */ | |
1692 | void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
1693 | { | |
1694 | if (AuthPass == true) | |
1695 | { | |
fce72602 | 1696 | // gpgv method failed, if we have a good signature |
39f38a81 DK |
1697 | string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI)); |
1698 | if (DestFile != SigFile) | |
1699 | LastGoodSigFile.append(".gpg"); | |
1700 | LastGoodSigFile.append(".reverify"); | |
fe0f7911 | 1701 | |
fce72602 | 1702 | if(FileExists(LastGoodSigFile)) |
f381d68d | 1703 | { |
39f38a81 | 1704 | string VerifiedSigFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); |
fe0f7911 | 1705 | if (DestFile != SigFile) |
39f38a81 DK |
1706 | VerifiedSigFile.append(".gpg"); |
1707 | Rename(LastGoodSigFile, VerifiedSigFile); | |
fce72602 | 1708 | Status = StatTransientNetworkError; |
b5595da9 | 1709 | _error->Warning(_("An error occurred during the signature " |
fce72602 | 1710 | "verification. The repository is not updated " |
2493f4b5 | 1711 | "and the previous index files will be used. " |
76b8e5a5 | 1712 | "GPG error: %s: %s\n"), |
fce72602 MV |
1713 | Desc.Description.c_str(), |
1714 | LookupTag(Message,"Message").c_str()); | |
5d149bfc | 1715 | RunScripts("APT::Update::Auth-Failure"); |
f381d68d | 1716 | return; |
0901c5d0 | 1717 | } else if (LookupTag(Message,"Message").find("NODATA") != string::npos) { |
4fdb6123 | 1718 | /* Invalid signature file, reject (LP: #346386) (Closes: #627642) */ |
0901c5d0 JAK |
1719 | _error->Error(_("GPG error: %s: %s"), |
1720 | Desc.Description.c_str(), | |
1721 | LookupTag(Message,"Message").c_str()); | |
1722 | return; | |
fce72602 MV |
1723 | } else { |
1724 | _error->Warning(_("GPG error: %s: %s"), | |
1725 | Desc.Description.c_str(), | |
1726 | LookupTag(Message,"Message").c_str()); | |
f381d68d | 1727 | } |
f381d68d | 1728 | // gpgv method failed |
59271f62 | 1729 | ReportMirrorFailure("GPGFailure"); |
b3d44315 MV |
1730 | } |
1731 | ||
7ea7ac9e JAK |
1732 | /* Always move the meta index, even if gpgv failed. This ensures |
1733 | * that PackageFile objects are correctly filled in */ | |
a235ddf8 | 1734 | if (FileExists(DestFile)) { |
7ea7ac9e JAK |
1735 | string FinalFile = _config->FindDir("Dir::State::lists"); |
1736 | FinalFile += URItoFileName(RealURI); | |
1737 | /* InRelease files become Release files, otherwise | |
1738 | * they would be considered as trusted later on */ | |
1739 | if (SigFile == DestFile) { | |
1740 | RealURI = RealURI.replace(RealURI.rfind("InRelease"), 9, | |
1741 | "Release"); | |
1742 | FinalFile = FinalFile.replace(FinalFile.rfind("InRelease"), 9, | |
1743 | "Release"); | |
1744 | SigFile = FinalFile; | |
1745 | } | |
1746 | Rename(DestFile,FinalFile); | |
1747 | chmod(FinalFile.c_str(),0644); | |
1748 | ||
1749 | DestFile = FinalFile; | |
1750 | } | |
1751 | ||
b3d44315 MV |
1752 | // No Release file was present, or verification failed, so fall |
1753 | // back to queueing Packages files without verification | |
1754 | QueueIndexes(false); | |
1755 | } | |
681d76d0 | 1756 | /*}}}*/ |
fe0f7911 DK |
1757 | pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner, /*{{{*/ |
1758 | string const &URI, string const &URIDesc, string const &ShortDesc, | |
1759 | string const &MetaIndexURI, string const &MetaIndexURIDesc, string const &MetaIndexShortDesc, | |
1760 | string const &MetaSigURI, string const &MetaSigURIDesc, string const &MetaSigShortDesc, | |
1761 | const vector<struct IndexTarget*>* IndexTargets, | |
1762 | indexRecords* MetaIndexParser) : | |
1763 | pkgAcqMetaIndex(Owner, URI, URIDesc, ShortDesc, "", IndexTargets, MetaIndexParser), | |
1764 | MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), | |
1765 | MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc) | |
1766 | { | |
1767 | SigFile = DestFile; | |
39f38a81 DK |
1768 | |
1769 | // keep the old InRelease around in case of transistent network errors | |
1770 | string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); | |
ffcccd62 | 1771 | if (RealFileExists(Final) == true) |
39f38a81 DK |
1772 | { |
1773 | string const LastGoodSig = DestFile + ".reverify"; | |
1774 | Rename(Final,LastGoodSig); | |
1775 | } | |
fe0f7911 DK |
1776 | } |
1777 | /*}}}*/ | |
ffcccd62 DK |
1778 | pkgAcqMetaClearSig::~pkgAcqMetaClearSig() /*{{{*/ |
1779 | { | |
1780 | // if the file was never queued undo file-changes done in the constructor | |
1781 | if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false) | |
1782 | { | |
1783 | string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); | |
1784 | string const LastGoodSig = DestFile + ".reverify"; | |
1785 | if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true) | |
1786 | Rename(LastGoodSig, Final); | |
1787 | } | |
1788 | } | |
1789 | /*}}}*/ | |
8d6c5839 MV |
1790 | // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/ |
1791 | // --------------------------------------------------------------------- | |
1792 | // FIXME: this can go away once the InRelease file is used widely | |
1793 | string pkgAcqMetaClearSig::Custom600Headers() | |
1794 | { | |
1795 | string Final = _config->FindDir("Dir::State::lists"); | |
1796 | Final += URItoFileName(RealURI); | |
1797 | ||
1798 | struct stat Buf; | |
1799 | if (stat(Final.c_str(),&Buf) != 0) | |
0aec7d5c DK |
1800 | { |
1801 | Final = DestFile + ".reverify"; | |
1802 | if (stat(Final.c_str(),&Buf) != 0) | |
1803 | return "\nIndex-File: true\nFail-Ignore: true\n"; | |
1804 | } | |
8d6c5839 MV |
1805 | |
1806 | return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); | |
1807 | } | |
1808 | /*}}}*/ | |
fe0f7911 DK |
1809 | void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ |
1810 | { | |
1811 | if (AuthPass == false) | |
1812 | { | |
de498a52 DK |
1813 | // Remove the 'old' InRelease file if we try Release.gpg now as otherwise |
1814 | // the file will stay around and gives a false-auth impression (CVE-2012-0214) | |
1815 | string FinalFile = _config->FindDir("Dir::State::lists"); | |
1816 | FinalFile.append(URItoFileName(RealURI)); | |
1817 | if (FileExists(FinalFile)) | |
1818 | unlink(FinalFile.c_str()); | |
1819 | ||
fe0f7911 DK |
1820 | new pkgAcqMetaSig(Owner, |
1821 | MetaSigURI, MetaSigURIDesc, MetaSigShortDesc, | |
1822 | MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, | |
1823 | IndexTargets, MetaIndexParser); | |
1824 | if (Cnf->LocalOnly == true || | |
1825 | StringToBool(LookupTag(Message, "Transient-Failure"), false) == false) | |
1826 | Dequeue(); | |
1827 | } | |
1828 | else | |
1829 | pkgAcqMetaIndex::Failed(Message, Cnf); | |
1830 | } | |
1831 | /*}}}*/ | |
03e39e59 AL |
1832 | // AcqArchive::AcqArchive - Constructor /*{{{*/ |
1833 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1834 | /* This just sets up the initial fetch environment and queues the first |
1835 | possibilitiy */ | |
03e39e59 | 1836 | pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, |
30e1eab5 AL |
1837 | pkgRecords *Recs,pkgCache::VerIterator const &Version, |
1838 | string &StoreFilename) : | |
1839 | Item(Owner), Version(Version), Sources(Sources), Recs(Recs), | |
b3d44315 MV |
1840 | StoreFilename(StoreFilename), Vf(Version.FileList()), |
1841 | Trusted(false) | |
03e39e59 | 1842 | { |
7d8afa39 | 1843 | Retries = _config->FindI("Acquire::Retries",0); |
813c8eea AL |
1844 | |
1845 | if (Version.Arch() == 0) | |
bdae53f1 | 1846 | { |
d1f1f6a8 | 1847 | _error->Error(_("I wasn't able to locate a file for the %s package. " |
7a3c2ab0 AL |
1848 | "This might mean you need to manually fix this package. " |
1849 | "(due to missing arch)"), | |
813c8eea | 1850 | Version.ParentPkg().Name()); |
bdae53f1 AL |
1851 | return; |
1852 | } | |
813c8eea | 1853 | |
b2e465d6 AL |
1854 | /* We need to find a filename to determine the extension. We make the |
1855 | assumption here that all the available sources for this version share | |
1856 | the same extension.. */ | |
1857 | // Skip not source sources, they do not have file fields. | |
69c2ecbd | 1858 | for (; Vf.end() == false; ++Vf) |
b2e465d6 AL |
1859 | { |
1860 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1861 | continue; | |
1862 | break; | |
1863 | } | |
1864 | ||
1865 | // Does not really matter here.. we are going to fail out below | |
1866 | if (Vf.end() != true) | |
1867 | { | |
1868 | // If this fails to get a file name we will bomb out below. | |
1869 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1870 | if (_error->PendingError() == true) | |
1871 | return; | |
1872 | ||
1873 | // Generate the final file name as: package_version_arch.foo | |
1874 | StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' + | |
1875 | QuoteString(Version.VerStr(),"_:") + '_' + | |
1876 | QuoteString(Version.Arch(),"_:.") + | |
1877 | "." + flExtension(Parse.FileName()); | |
1878 | } | |
b3d44315 MV |
1879 | |
1880 | // check if we have one trusted source for the package. if so, switch | |
6c34ccca DK |
1881 | // to "TrustedOnly" mode - but only if not in AllowUnauthenticated mode |
1882 | bool const allowUnauth = _config->FindB("APT::Get::AllowUnauthenticated", false); | |
1883 | bool const debugAuth = _config->FindB("Debug::pkgAcquire::Auth", false); | |
1884 | bool seenUntrusted = false; | |
f7f0d6c7 | 1885 | for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; ++i) |
b3d44315 MV |
1886 | { |
1887 | pkgIndexFile *Index; | |
1888 | if (Sources->FindIndex(i.File(),Index) == false) | |
1889 | continue; | |
6c34ccca DK |
1890 | |
1891 | if (debugAuth == true) | |
b3d44315 | 1892 | std::cerr << "Checking index: " << Index->Describe() |
6c34ccca DK |
1893 | << "(Trusted=" << Index->IsTrusted() << ")" << std::endl; |
1894 | ||
1895 | if (Index->IsTrusted() == true) | |
1896 | { | |
b3d44315 | 1897 | Trusted = true; |
6c34ccca DK |
1898 | if (allowUnauth == false) |
1899 | break; | |
b3d44315 | 1900 | } |
6c34ccca DK |
1901 | else |
1902 | seenUntrusted = true; | |
b3d44315 MV |
1903 | } |
1904 | ||
a3371852 MV |
1905 | // "allow-unauthenticated" restores apts old fetching behaviour |
1906 | // that means that e.g. unauthenticated file:// uris are higher | |
1907 | // priority than authenticated http:// uris | |
6c34ccca | 1908 | if (allowUnauth == true && seenUntrusted == true) |
a3371852 MV |
1909 | Trusted = false; |
1910 | ||
03e39e59 | 1911 | // Select a source |
b185acc2 | 1912 | if (QueueNext() == false && _error->PendingError() == false) |
d57f6084 DK |
1913 | _error->Error(_("Can't find a source to download version '%s' of '%s'"), |
1914 | Version.VerStr(), Version.ParentPkg().FullName(false).c_str()); | |
b185acc2 AL |
1915 | } |
1916 | /*}}}*/ | |
1917 | // AcqArchive::QueueNext - Queue the next file source /*{{{*/ | |
1918 | // --------------------------------------------------------------------- | |
17caf1b1 AL |
1919 | /* This queues the next available file version for download. It checks if |
1920 | the archive is already available in the cache and stashs the MD5 for | |
1921 | checking later. */ | |
b185acc2 | 1922 | bool pkgAcqArchive::QueueNext() |
a722b2c5 DK |
1923 | { |
1924 | string const ForceHash = _config->Find("Acquire::ForceHash"); | |
f7f0d6c7 | 1925 | for (; Vf.end() == false; ++Vf) |
03e39e59 AL |
1926 | { |
1927 | // Ignore not source sources | |
1928 | if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0) | |
1929 | continue; | |
1930 | ||
1931 | // Try to cross match against the source list | |
b2e465d6 AL |
1932 | pkgIndexFile *Index; |
1933 | if (Sources->FindIndex(Vf.File(),Index) == false) | |
1934 | continue; | |
03e39e59 | 1935 | |
b3d44315 MV |
1936 | // only try to get a trusted package from another source if that source |
1937 | // is also trusted | |
1938 | if(Trusted && !Index->IsTrusted()) | |
1939 | continue; | |
1940 | ||
03e39e59 AL |
1941 | // Grab the text package record |
1942 | pkgRecords::Parser &Parse = Recs->Lookup(Vf); | |
1943 | if (_error->PendingError() == true) | |
b185acc2 | 1944 | return false; |
03e39e59 | 1945 | |
b2e465d6 | 1946 | string PkgFile = Parse.FileName(); |
a722b2c5 DK |
1947 | if (ForceHash.empty() == false) |
1948 | { | |
d9b9e9e2 MV |
1949 | if(stringcasecmp(ForceHash, "sha512") == 0) |
1950 | ExpectedHash = HashString("SHA512", Parse.SHA512Hash()); | |
ee5f5d25 | 1951 | else if(stringcasecmp(ForceHash, "sha256") == 0) |
a722b2c5 DK |
1952 | ExpectedHash = HashString("SHA256", Parse.SHA256Hash()); |
1953 | else if (stringcasecmp(ForceHash, "sha1") == 0) | |
1954 | ExpectedHash = HashString("SHA1", Parse.SHA1Hash()); | |
1955 | else | |
1956 | ExpectedHash = HashString("MD5Sum", Parse.MD5Hash()); | |
1957 | } | |
1958 | else | |
1959 | { | |
1960 | string Hash; | |
d9b9e9e2 MV |
1961 | if ((Hash = Parse.SHA512Hash()).empty() == false) |
1962 | ExpectedHash = HashString("SHA512", Hash); | |
1963 | else if ((Hash = Parse.SHA256Hash()).empty() == false) | |
a722b2c5 DK |
1964 | ExpectedHash = HashString("SHA256", Hash); |
1965 | else if ((Hash = Parse.SHA1Hash()).empty() == false) | |
1966 | ExpectedHash = HashString("SHA1", Hash); | |
1967 | else | |
1968 | ExpectedHash = HashString("MD5Sum", Parse.MD5Hash()); | |
1969 | } | |
03e39e59 | 1970 | if (PkgFile.empty() == true) |
b2e465d6 AL |
1971 | return _error->Error(_("The package index files are corrupted. No Filename: " |
1972 | "field for package %s."), | |
1973 | Version.ParentPkg().Name()); | |
a6568219 | 1974 | |
b3d44315 MV |
1975 | Desc.URI = Index->ArchiveURI(PkgFile); |
1976 | Desc.Description = Index->ArchiveInfo(Version); | |
1977 | Desc.Owner = this; | |
1978 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
1979 | ||
17caf1b1 | 1980 | // See if we already have the file. (Legacy filenames) |
a6568219 AL |
1981 | FileSize = Version->Size; |
1982 | string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); | |
1983 | struct stat Buf; | |
1984 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
1985 | { | |
1986 | // Make sure the size matches | |
73da43e9 | 1987 | if ((unsigned long long)Buf.st_size == Version->Size) |
a6568219 AL |
1988 | { |
1989 | Complete = true; | |
1990 | Local = true; | |
1991 | Status = StatDone; | |
30e1eab5 | 1992 | StoreFilename = DestFile = FinalFile; |
b185acc2 | 1993 | return true; |
a6568219 AL |
1994 | } |
1995 | ||
6b1ff003 AL |
1996 | /* Hmm, we have a file and its size does not match, this means it is |
1997 | an old style mismatched arch */ | |
a6568219 AL |
1998 | unlink(FinalFile.c_str()); |
1999 | } | |
17caf1b1 AL |
2000 | |
2001 | // Check it again using the new style output filenames | |
2002 | FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(StoreFilename); | |
2003 | if (stat(FinalFile.c_str(),&Buf) == 0) | |
2004 | { | |
2005 | // Make sure the size matches | |
73da43e9 | 2006 | if ((unsigned long long)Buf.st_size == Version->Size) |
17caf1b1 AL |
2007 | { |
2008 | Complete = true; | |
2009 | Local = true; | |
2010 | Status = StatDone; | |
2011 | StoreFilename = DestFile = FinalFile; | |
2012 | return true; | |
2013 | } | |
2014 | ||
2015 | /* Hmm, we have a file and its size does not match, this shouldnt | |
2016 | happen.. */ | |
2017 | unlink(FinalFile.c_str()); | |
2018 | } | |
2019 | ||
2020 | DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename); | |
6b1ff003 AL |
2021 | |
2022 | // Check the destination file | |
2023 | if (stat(DestFile.c_str(),&Buf) == 0) | |
2024 | { | |
2025 | // Hmm, the partial file is too big, erase it | |
73da43e9 | 2026 | if ((unsigned long long)Buf.st_size > Version->Size) |
6b1ff003 AL |
2027 | unlink(DestFile.c_str()); |
2028 | else | |
2029 | PartialSize = Buf.st_size; | |
2030 | } | |
de31189f DK |
2031 | |
2032 | // Disables download of archives - useful if no real installation follows, | |
2033 | // e.g. if we are just interested in proposed installation order | |
2034 | if (_config->FindB("Debug::pkgAcqArchive::NoQueue", false) == true) | |
2035 | { | |
2036 | Complete = true; | |
2037 | Local = true; | |
2038 | Status = StatDone; | |
2039 | StoreFilename = DestFile = FinalFile; | |
2040 | return true; | |
2041 | } | |
2042 | ||
03e39e59 | 2043 | // Create the item |
b2e465d6 AL |
2044 | Local = false; |
2045 | Desc.URI = Index->ArchiveURI(PkgFile); | |
2046 | Desc.Description = Index->ArchiveInfo(Version); | |
03e39e59 AL |
2047 | Desc.Owner = this; |
2048 | Desc.ShortDesc = Version.ParentPkg().Name(); | |
2049 | QueueURI(Desc); | |
b185acc2 | 2050 | |
f7f0d6c7 | 2051 | ++Vf; |
b185acc2 | 2052 | return true; |
03e39e59 | 2053 | } |
b185acc2 AL |
2054 | return false; |
2055 | } | |
03e39e59 AL |
2056 | /*}}}*/ |
2057 | // AcqArchive::Done - Finished fetching /*{{{*/ | |
2058 | // --------------------------------------------------------------------- | |
2059 | /* */ | |
73da43e9 | 2060 | void pkgAcqArchive::Done(string Message,unsigned long long Size,string CalcHash, |
459681d3 | 2061 | pkgAcquire::MethodConfig *Cfg) |
03e39e59 | 2062 | { |
495e5cb2 | 2063 | Item::Done(Message,Size,CalcHash,Cfg); |
03e39e59 AL |
2064 | |
2065 | // Check the size | |
2066 | if (Size != Version->Size) | |
2067 | { | |
3c8030a4 | 2068 | RenameOnError(SizeMismatch); |
03e39e59 AL |
2069 | return; |
2070 | } | |
2071 | ||
495e5cb2 | 2072 | // Check the hash |
8a8feb29 | 2073 | if(ExpectedHash.toStr() != CalcHash) |
03e39e59 | 2074 | { |
3c8030a4 | 2075 | RenameOnError(HashSumMismatch); |
495e5cb2 | 2076 | return; |
03e39e59 | 2077 | } |
a6568219 AL |
2078 | |
2079 | // Grab the output filename | |
03e39e59 AL |
2080 | string FileName = LookupTag(Message,"Filename"); |
2081 | if (FileName.empty() == true) | |
2082 | { | |
2083 | Status = StatError; | |
2084 | ErrorText = "Method gave a blank filename"; | |
2085 | return; | |
2086 | } | |
a6568219 AL |
2087 | |
2088 | Complete = true; | |
30e1eab5 AL |
2089 | |
2090 | // Reference filename | |
a6568219 AL |
2091 | if (FileName != DestFile) |
2092 | { | |
30e1eab5 | 2093 | StoreFilename = DestFile = FileName; |
a6568219 AL |
2094 | Local = true; |
2095 | return; | |
2096 | } | |
2097 | ||
2098 | // Done, move it into position | |
2099 | string FinalFile = _config->FindDir("Dir::Cache::Archives"); | |
17caf1b1 | 2100 | FinalFile += flNotDir(StoreFilename); |
a6568219 | 2101 | Rename(DestFile,FinalFile); |
03e39e59 | 2102 | |
30e1eab5 | 2103 | StoreFilename = DestFile = FinalFile; |
03e39e59 AL |
2104 | Complete = true; |
2105 | } | |
2106 | /*}}}*/ | |
db890fdb AL |
2107 | // AcqArchive::Failed - Failure handler /*{{{*/ |
2108 | // --------------------------------------------------------------------- | |
2109 | /* Here we try other sources */ | |
7d8afa39 | 2110 | void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) |
db890fdb AL |
2111 | { |
2112 | ErrorText = LookupTag(Message,"Message"); | |
b2e465d6 AL |
2113 | |
2114 | /* We don't really want to retry on failed media swaps, this prevents | |
2115 | that. An interesting observation is that permanent failures are not | |
2116 | recorded. */ | |
2117 | if (Cnf->Removable == true && | |
2118 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
2119 | { | |
2120 | // Vf = Version.FileList(); | |
f7f0d6c7 | 2121 | while (Vf.end() == false) ++Vf; |
b2e465d6 AL |
2122 | StoreFilename = string(); |
2123 | Item::Failed(Message,Cnf); | |
2124 | return; | |
2125 | } | |
2126 | ||
db890fdb | 2127 | if (QueueNext() == false) |
7d8afa39 AL |
2128 | { |
2129 | // This is the retry counter | |
2130 | if (Retries != 0 && | |
2131 | Cnf->LocalOnly == false && | |
2132 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
2133 | { | |
2134 | Retries--; | |
2135 | Vf = Version.FileList(); | |
2136 | if (QueueNext() == true) | |
2137 | return; | |
2138 | } | |
2139 | ||
9dbb421f | 2140 | StoreFilename = string(); |
7d8afa39 AL |
2141 | Item::Failed(Message,Cnf); |
2142 | } | |
db890fdb AL |
2143 | } |
2144 | /*}}}*/ | |
92fcbfc1 | 2145 | // AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/ |
b3d44315 MV |
2146 | // --------------------------------------------------------------------- |
2147 | bool pkgAcqArchive::IsTrusted() | |
2148 | { | |
2149 | return Trusted; | |
2150 | } | |
92fcbfc1 | 2151 | /*}}}*/ |
ab559b35 AL |
2152 | // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ |
2153 | // --------------------------------------------------------------------- | |
2154 | /* */ | |
2155 | void pkgAcqArchive::Finished() | |
2156 | { | |
2157 | if (Status == pkgAcquire::Item::StatDone && | |
2158 | Complete == true) | |
2159 | return; | |
2160 | StoreFilename = string(); | |
2161 | } | |
2162 | /*}}}*/ | |
36375005 AL |
2163 | // AcqFile::pkgAcqFile - Constructor /*{{{*/ |
2164 | // --------------------------------------------------------------------- | |
2165 | /* The file is added to the queue */ | |
8a8feb29 | 2166 | pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash, |
73da43e9 | 2167 | unsigned long long Size,string Dsc,string ShortDesc, |
77278c2b MV |
2168 | const string &DestDir, const string &DestFilename, |
2169 | bool IsIndexFile) : | |
2170 | Item(Owner), ExpectedHash(Hash), IsIndexFile(IsIndexFile) | |
36375005 | 2171 | { |
08cfc005 AL |
2172 | Retries = _config->FindI("Acquire::Retries",0); |
2173 | ||
46e00f9d MV |
2174 | if(!DestFilename.empty()) |
2175 | DestFile = DestFilename; | |
2176 | else if(!DestDir.empty()) | |
2177 | DestFile = DestDir + "/" + flNotDir(URI); | |
2178 | else | |
2179 | DestFile = flNotDir(URI); | |
2180 | ||
36375005 AL |
2181 | // Create the item |
2182 | Desc.URI = URI; | |
2183 | Desc.Description = Dsc; | |
2184 | Desc.Owner = this; | |
2185 | ||
2186 | // Set the short description to the archive component | |
2187 | Desc.ShortDesc = ShortDesc; | |
2188 | ||
2189 | // Get the transfer sizes | |
2190 | FileSize = Size; | |
2191 | struct stat Buf; | |
2192 | if (stat(DestFile.c_str(),&Buf) == 0) | |
2193 | { | |
2194 | // Hmm, the partial file is too big, erase it | |
73da43e9 | 2195 | if ((unsigned long long)Buf.st_size > Size) |
36375005 AL |
2196 | unlink(DestFile.c_str()); |
2197 | else | |
2198 | PartialSize = Buf.st_size; | |
2199 | } | |
092ae175 | 2200 | |
36375005 AL |
2201 | QueueURI(Desc); |
2202 | } | |
2203 | /*}}}*/ | |
2204 | // AcqFile::Done - Item downloaded OK /*{{{*/ | |
2205 | // --------------------------------------------------------------------- | |
2206 | /* */ | |
73da43e9 | 2207 | void pkgAcqFile::Done(string Message,unsigned long long Size,string CalcHash, |
459681d3 | 2208 | pkgAcquire::MethodConfig *Cnf) |
36375005 | 2209 | { |
495e5cb2 MV |
2210 | Item::Done(Message,Size,CalcHash,Cnf); |
2211 | ||
8a8feb29 | 2212 | // Check the hash |
2c941d89 | 2213 | if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash) |
b3c39978 | 2214 | { |
3c8030a4 | 2215 | RenameOnError(HashSumMismatch); |
495e5cb2 | 2216 | return; |
b3c39978 AL |
2217 | } |
2218 | ||
36375005 AL |
2219 | string FileName = LookupTag(Message,"Filename"); |
2220 | if (FileName.empty() == true) | |
2221 | { | |
2222 | Status = StatError; | |
2223 | ErrorText = "Method gave a blank filename"; | |
2224 | return; | |
2225 | } | |
2226 | ||
2227 | Complete = true; | |
2228 | ||
2229 | // The files timestamp matches | |
2230 | if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) | |
2231 | return; | |
2232 | ||
2233 | // We have to copy it into place | |
2234 | if (FileName != DestFile) | |
2235 | { | |
2236 | Local = true; | |
459681d3 AL |
2237 | if (_config->FindB("Acquire::Source-Symlinks",true) == false || |
2238 | Cnf->Removable == true) | |
917ae805 AL |
2239 | { |
2240 | Desc.URI = "copy:" + FileName; | |
2241 | QueueURI(Desc); | |
2242 | return; | |
2243 | } | |
2244 | ||
83ab33fc AL |
2245 | // Erase the file if it is a symlink so we can overwrite it |
2246 | struct stat St; | |
2247 | if (lstat(DestFile.c_str(),&St) == 0) | |
2248 | { | |
2249 | if (S_ISLNK(St.st_mode) != 0) | |
2250 | unlink(DestFile.c_str()); | |
2251 | } | |
2252 | ||
2253 | // Symlink the file | |
917ae805 AL |
2254 | if (symlink(FileName.c_str(),DestFile.c_str()) != 0) |
2255 | { | |
83ab33fc | 2256 | ErrorText = "Link to " + DestFile + " failure "; |
917ae805 AL |
2257 | Status = StatError; |
2258 | Complete = false; | |
2259 | } | |
36375005 AL |
2260 | } |
2261 | } | |
2262 | /*}}}*/ | |
08cfc005 AL |
2263 | // AcqFile::Failed - Failure handler /*{{{*/ |
2264 | // --------------------------------------------------------------------- | |
2265 | /* Here we try other sources */ | |
2266 | void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf) | |
2267 | { | |
2268 | ErrorText = LookupTag(Message,"Message"); | |
2269 | ||
2270 | // This is the retry counter | |
2271 | if (Retries != 0 && | |
2272 | Cnf->LocalOnly == false && | |
2273 | StringToBool(LookupTag(Message,"Transient-Failure"),false) == true) | |
2274 | { | |
2275 | Retries--; | |
2276 | QueueURI(Desc); | |
2277 | return; | |
2278 | } | |
2279 | ||
2280 | Item::Failed(Message,Cnf); | |
2281 | } | |
2282 | /*}}}*/ | |
77278c2b MV |
2283 | // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ |
2284 | // --------------------------------------------------------------------- | |
2285 | /* The only header we use is the last-modified header. */ | |
2286 | string pkgAcqFile::Custom600Headers() | |
2287 | { | |
2288 | if (IsIndexFile) | |
2289 | return "\nIndex-File: true"; | |
61a07c57 | 2290 | return ""; |
77278c2b MV |
2291 | } |
2292 | /*}}}*/ |