diff options
author | Michael Vogt <mvo@debian.org> | 2004-12-20 10:10:33 +0000 |
---|---|---|
committer | Michael Vogt <mvo@debian.org> | 2004-12-20 10:10:33 +0000 |
commit | b3d44315ee812ba2d0a99751695b5a4314407ec2 (patch) | |
tree | 134ad0fa45505ee80c8fd3b3a52679daae76de6f /apt-pkg/acquire-item.cc | |
parent | 96b83b826ef733fa4fdfe99dd5009cba5af9a2c4 (diff) |
* merged changes from the conference
Patches applied:
* apt@arch.ubuntu.com/apt--experimental--0.6--base-0
tag of apt@arch.ubuntu.com/apt--MAIN--0--patch-1190
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-1
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-2
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-3
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-4
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-5
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-6
Creation of branch v0_6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-7
Merge working copy of v0.6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-8
0.6.0 is headed for experimental, not unstable
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-9
Date
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-10
Update LIB_APT_PKG_MAJOR
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-11
- Fix a heap corruption bug in pkgSrcRecords::pkgSrcRec...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-12
Resynch
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-13
* Merge apt 0.5.17
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-14
* Rearrange Release file authentication code to be more...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-15
* Convert distribution "../project/experimental" to "ex...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-16
Merge 1.11
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-17
Merge 1.7
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-18
Merge 1.10
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-19
* Make a number of Release file errors into warnings; f...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-20
* Add space between package names when multiple unauthe...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-21
* Provide apt-key with a secret keyring and a trustdb, ...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-22
* Fix typo in apt-key(8) (standard input is '-', not '/')
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-23
0.6.2
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-24
Resynch
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-25
* Fix MetaIndexURI for flat ("foo/") sources
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-26
0.6.3
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-27
* Use the top-level Release file in LoadReleaseInfo, ra...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-28
0.6.4
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-29
Clarify
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-30
* Move the authentication check into a separate functio...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-31
* Fix display of unauthenticated packages when they are...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-32
* Move the authentication check into a separate functio...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-33
* Restore the ugly hack I removed from indexRecords::Lo...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-34
0.6.6
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-35
* Forgot to revert part of the changes to tagfile in 0....
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-36
* Add a config option and corresponding command line option
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-37
0.6.8
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-38
hopefully avoid more segfaults
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-39
XXX
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-40
* Another tagfile workaround
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-41
* Use "Codename" (woody, sarge, etc.) to supply the val...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-42
* Support IMS requests of Release.gpg and Release
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-43
* Have pkgAcquireIndex calculate an MD5 sum if one is n...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-44
* Merge 0.5.18
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-45
apt (0.6.13) experimental; urgency=low
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-46
0.6.13
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-47
Merge 0.5.20
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-48
The source list works a bit differently in 0.6; fix the...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-49
* s/Debug::Acquire::gpg/&v/
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-50
* Honor the [vendor] syntax in sources.list again (thou...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-51
* Don't ship vendors.list(5) since it isn't used yet
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-52
* Revert change from 0.6.10; it was right in the first ...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-53
* Fix some cases where the .gpg file could be left in p...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-54
Print a warning if gnupg is not installed
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-55
* Handle more IMS stuff correctly
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-56
0.6.17
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-57
* Merge 0.5.21
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-58
* Add new Debian Archive Automatic Signing Key to the d...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-59
0.6.18
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-60
* Merge 0.5.22
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-61
* Convert apt-key(8) to docbook XML
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-62
Merge 0.5.23
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-63
Remove bogus partial 0.5.22 changelog entry
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-64
Make the auth warning a bit less redundant
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-65
* Merge 0.5.24
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-66
* Make the unauthenticated packages prompt more intuiti...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-67
Merge 0.5.25
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-68
* Remove obsolete pkgIterator::TargetVer() (Closes: #230159)
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-69
* Reverse test in CheckAuth to match new prompt (Closes...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-70
Update version
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-71
Fix backwards sense of CheckAuth prompt
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-72
0.6.24
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-73
Close bug
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-74
* Fix handling of two-part sources for sources.list deb...
* apt@arch.ubuntu.com/apt--experimental--0.6--patch-75
0.6.25
* apt@packages.debian.org/apt--authentication--0--base-0
tag of apt@arch.ubuntu.com/apt--experimental--0.6--patch-75
* apt@packages.debian.org/apt--authentication--0--patch-1
Michael Vogt's merge of apt--experimental--0 onto apt--main--0
* apt@packages.debian.org/apt--authentication--0--patch-2
Merge from apt--main--0
* apt@packages.debian.org/apt--authentication--0--patch-3
Merge from main
* apt@packages.debian.org/apt--authentication--0--patch-4
Merge from main
* apt@packages.debian.org/apt--authentication--0--patch-5
Update version number in configure.in
* apt@packages.debian.org/apt--authentication--0--patch-6
Merge from main
* apt@packages.debian.org/apt--authentication--0--patch-7
Merge from main
* apt@packages.debian.org/apt--authentication--0--patch-8
Merge from mvo's branch
* apt@packages.debian.org/apt--authentication--0--patch-9
Merge from mvo's tree
* apt@packages.debian.org/apt--authentication--0--patch-10
Merge from mvo
* apt@packages.debian.org/apt--authentication--0--patch-11
Fix permissions AGAIN
* apt@packages.debian.org/apt--bzip2-debs--0--base-0
tag of apt@packages.debian.org/apt--main--0--patch-30
* apt@packages.debian.org/apt--bzip2-debs--0--patch-1
Create baz branch
* apt@packages.debian.org/apt--bzip2-debs--0--patch-2
Implement data.tar.bz2 support
* apt@packages.debian.org/apt--main--0--patch-30
Fix changelog
* apt@packages.debian.org/apt--main--0--patch-31
Fix permissions again
* apt@packages.debian.org/apt--main--0--patch-32
Fix permissions again
* apt@packages.debian.org/apt--main--0--patch-33
Use baz instead of tla
* apt@packages.debian.org/apt--main--0--patch-34
Merge bzip2-debs branch
* apt@packages.debian.org/apt--main--0--patch-35
Fix changelog
* apt@packages.debian.org/apt--main--0--patch-36
untagged-source precious
* apt@packages.debian.org/apt--main--0--patch-37
Add .arch-inventory files
* apt@packages.debian.org/apt--main--0--patch-38
Fix permissions again
* apt@packages.debian.org/apt--main--0--patch-39
Merge apt--authentication--0
* apt@packages.debian.org/apt--main--0--patch-40
Merge misc-abi-changes
* apt@packages.debian.org/apt--main--0--patch-41
Merge from mvo
* apt@packages.debian.org/apt--misc-abi-changes--0--base-0
tag of apt@packages.debian.org/apt--main--0--patch-16
* apt@packages.debian.org/apt--misc-abi-changes--0--patch-1
Fix apt-get -s remove to not display the candidate version
* apt@packages.debian.org/apt--misc-abi-changes--0--patch-2
Merge from main
* apt@packages.debian.org/apt--misc-abi-changes--0--patch-3
Use pid_t throughout to hold process IDs
* michael.vogt@canonical.com--2004--laptop/apt--authentication-mvo--0--base-0
tag of michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-12
* michael.vogt@canonical.com--2004--laptop/apt--authentication-mvo--0--patch-1
* star-merged matt's changes (bz2 support for data-members in debs)
* michael.vogt@canonical.com--2004--laptop/apt--authentication-mvo--0--patch-2
* ignore errors when a Packages.bz2/Sources.bz2 can't be found and try with Packages.gz/Sources.gz again
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--base-0
tag of apt@packages.debian.org/apt--main--0--patch-34
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-1
* merged matt's tree (with all those apt-authentication changes)
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-2
don't display a error if a bzip2 package can not be downloaded, just ignore (Ign) it
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-3
* "chmod 755 cmdline/apt-key", changed version to 0.6.27ubuntu1
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-4
* fix for a stupid merge error (from 0.5->0.6)
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-5
* unstable should really be hoary
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-6
* stronger dependencies for libapt-pkg-dev (depends on the source version of apt and apt-watch now)
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-7
* distro really should be hoary, not unstable :/
* michael.vogt@canonical.com--2004--laptop/apt--mvo--0--patch-8
* documented the "--allow-unauthenticated" switch
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-1
tag of apt@packages.debian.org/apt--authentication--0--base-0
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-2
merged "tla apply-delta -A foo@ apt@arch.ubuntu.com/apt--MAIN--0--patch-1190 apt@arch.ubuntu.com/apt--MAIN--0--patch-1343" and cleaned up conflicts
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-3
* missing bits from the merge added
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-4
* star-merged with apt@packages.debian.org/apt--main--0
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-5
* tree-synced to the apt--authentication tree
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-6
* use the ubuntu-key in this version
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-7
* imported the patches from mdz
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-8
* apt-get update --print-uris works now as before (fallback to 0.5.x behaviour)
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-9
* fix for the "if any source unauthenticated, all other sources are unauthenticated too" problem
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-10
* reworked the "--print-uris" patch. it no longer uses: "APT::Get::Print-URIs" in the library
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-11
* version of the library set to 3.6
* michael.vogt@canonical.com--2004/apt--authentication-mvo--0--patch-12
* changelog finallized, will upload to people.ubuntulinux.org/~mvo/apt-authentication
* michael.vogt@canonical.com--2004/apt--main-authentication--0--base-0
tag of apt@packages.debian.org/apt--main--0--patch-22
* michael.vogt@canonical.com--2004/apt--main-authentication--0--patch-1
* star-merge from apt--experimental--0.6
* michael.vogt@canonical.com--2004/apt--main-authentication--0--patch-2
* compile failure fix for methods/http.cc, po-file fixes
Diffstat (limited to 'apt-pkg/acquire-item.cc')
-rw-r--r-- | apt-pkg/acquire-item.cc | 463 |
1 files changed, 412 insertions, 51 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 6227888b6..f40c6a50d 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: acquire-item.cc,v 1.46 2003/02/02 22:19:17 jgg Exp $ +// $Id: acquire-item.cc,v 1.46.2.9 2004/01/16 18:51:11 mdz Exp $ /* ###################################################################### Acquire Item - Item to acquire @@ -19,9 +19,11 @@ #include <apt-pkg/acquire-item.h> #include <apt-pkg/configuration.h> #include <apt-pkg/sourcelist.h> +#include <apt-pkg/vendorlist.h> #include <apt-pkg/error.h> #include <apt-pkg/strutl.h> #include <apt-pkg/fileutl.h> +#include <apt-pkg/md5.h> #include <apti18n.h> @@ -32,7 +34,7 @@ #include <stdio.h> /*}}}*/ -using std::string; +using namespace std; // Acquire::Item::Item - Constructor /*{{{*/ // --------------------------------------------------------------------- @@ -134,8 +136,9 @@ void pkgAcquire::Item::Rename(string From,string To) /* The package file is added to the queue and a second class is instantiated to fetch the revision file */ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, - string URI,string URIDesc,string ShortDesc) : - Item(Owner), RealURI(URI) + string URI,string URIDesc,string ShortDesc, + string ExpectedMD5, string comprExt) : + Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5) { Decompression = false; Erase = false; @@ -143,11 +146,17 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, DestFile = _config->FindDir("Dir::State::lists") + "partial/"; DestFile += URItoFileName(URI); - // Create the item - if(FileExists("/usr/bin/bzip2")) - Desc.URI = URI + ".bz2"; - else - Desc.URI = URI + ".gz"; + if(comprExt.empty()) + { + // autoselect + if(FileExists("/usr/bin/bzip2")) + Desc.URI = URI + ".bz2"; + else + Desc.URI = URI + ".gz"; + } else { + Desc.URI = URI + comprExt; + } + Desc.Description = URIDesc; Desc.Owner = this; Desc.ShortDesc = ShortDesc; @@ -176,7 +185,13 @@ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) // no .bz2 found, retry with .gz if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") { Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz"; - QueueURI(Desc); + + // retry with a gzip one + new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc, + ExpectedMD5, string(".gz")); + Status = StatDone; + Complete = false; + Dequeue(); return; } @@ -199,6 +214,28 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5, if (Decompression == true) { + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + { + std::cerr << std::endl << RealURI << ": Computed MD5: " << MD5; + std::cerr << " Expected MD5: " << ExpectedMD5 << std::endl; + } + + if (MD5.empty()) + { + MD5Summation sum; + FileFd Fd(DestFile, FileFd::ReadOnly); + sum.AddFD(Fd.Fd(), Fd.Size()); + Fd.Close(); + MD5 = (string)sum.Result(); + } + + if (!ExpectedMD5.empty() && MD5 != ExpectedMD5) + { + Status = StatAuthError; + ErrorText = _("MD5Sum mismatch"); + Rename(DestFile,DestFile + ".FAILED"); + return; + } // Done, move it into position string FinalFile = _config->FindDir("Dir::State::lists"); FinalFile += URItoFileName(RealURI); @@ -226,7 +263,7 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5, // The files timestamp matches if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true) return; - + Decompression = true; Local = true; DestFile += ".decomp"; @@ -269,31 +306,45 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string MD5, QueueURI(Desc); Mode = decompProg; } - /*}}}*/ -// AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* The Release file is added to the queue */ -pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner, - string URI,string URIDesc,string ShortDesc) : - Item(Owner), RealURI(URI) +pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, + string URI,string URIDesc,string ShortDesc, + string MetaIndexURI, string MetaIndexURIDesc, + string MetaIndexShortDesc, + const vector<IndexTarget*>* IndexTargets, + indexRecords* MetaIndexParser) : + Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI), + MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc) { + this->MetaIndexParser = MetaIndexParser; + this->IndexTargets = IndexTargets; DestFile = _config->FindDir("Dir::State::lists") + "partial/"; DestFile += URItoFileName(URI); - + // Create the item - Desc.URI = URI; Desc.Description = URIDesc; - Desc.ShortDesc = ShortDesc; Desc.Owner = this; + Desc.ShortDesc = ShortDesc; + Desc.URI = URI; + + + string Final = _config->FindDir("Dir::State::lists"); + Final += URItoFileName(RealURI); + struct stat Buf; + if (stat(Final.c_str(),&Buf) == 0) + { + // File was already in place. It needs to be re-verified + // because Release might have changed, so Move it into partial + Rename(Final,DestFile); + } QueueURI(Desc); } /*}}}*/ -// AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/ +// pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqIndexRel::Custom600Headers() +string pkgAcqMetaSig::Custom600Headers() { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(RealURI); @@ -304,14 +355,9 @@ string pkgAcqIndexRel::Custom600Headers() return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); } - /*}}}*/ -// AcqIndexRel::Done - Item downloaded OK /*{{{*/ -// --------------------------------------------------------------------- -/* The release file was not placed into the download directory then - a copy URI is generated and it is copied there otherwise the file - in the partial directory is moved into .. and the URI is finished. */ -void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5, - pkgAcquire::MethodConfig *Cfg) + +void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5, + pkgAcquire::MethodConfig *Cfg) { Item::Done(Message,Size,MD5,Cfg); @@ -323,34 +369,34 @@ void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5, return; } - Complete = true; - - // The files timestamp matches - if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) - return; - - // We have to copy it into place if (FileName != DestFile) { + // We have to copy it into place Local = true; Desc.URI = "copy:" + FileName; QueueURI(Desc); return; } - - // Done, move it into position - string FinalFile = _config->FindDir("Dir::State::lists"); - FinalFile += URItoFileName(RealURI); - Rename(DestFile,FinalFile); - - chmod(FinalFile.c_str(),0644); + + Complete = true; + + // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved + new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, + DestFile, IndexTargets, MetaIndexParser); + } /*}}}*/ -// AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/ -// --------------------------------------------------------------------- -/* */ -void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf) +void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) { + // Delete any existing sigfile, so that this source isn't + // mistakenly trusted + string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); + unlink(Final.c_str()); + + // queue a pkgAcqMetaIndex with no sigfile + new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, + "", IndexTargets, MetaIndexParser); + if (Cnf->LocalOnly == true || StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) { @@ -363,6 +409,284 @@ void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf) Item::Failed(Message,Cnf); } + +pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, + string URI,string URIDesc,string ShortDesc, + string SigFile, + const vector<struct IndexTarget*>* IndexTargets, + indexRecords* MetaIndexParser) : + Item(Owner), RealURI(URI), SigFile(SigFile) +{ + this->AuthPass = false; + this->MetaIndexParser = MetaIndexParser; + this->IndexTargets = IndexTargets; + DestFile = _config->FindDir("Dir::State::lists") + "partial/"; + DestFile += URItoFileName(URI); + + // Create the item + Desc.Description = URIDesc; + Desc.Owner = this; + Desc.ShortDesc = ShortDesc; + Desc.URI = URI; + + QueueURI(Desc); +} + + /*}}}*/ +// pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/ +// --------------------------------------------------------------------- +/* The only header we use is the last-modified header. */ +string pkgAcqMetaIndex::Custom600Headers() +{ + string Final = _config->FindDir("Dir::State::lists"); + Final += URItoFileName(RealURI); + + struct stat Buf; + if (stat(Final.c_str(),&Buf) != 0) + return "\nIndex-File: true"; + + return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); +} + +void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string MD5, + pkgAcquire::MethodConfig *Cfg) +{ + Item::Done(Message,Size,MD5,Cfg); + + // MetaIndexes are done in two passes: one to download the + // metaindex with an appropriate method, and a second to verify it + // with the gpgv method + + if (AuthPass == true) + { + AuthDone(Message); + } + else + { + RetrievalDone(Message); + if (!Complete) + // Still more retrieving to do + return; + + if (SigFile == "") + { + // There was no signature file, so we are finished. Download + // the indexes without verification. + QueueIndexes(false); + } + else + { + // There was a signature file, so pass it to gpgv for + // verification + + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + std::cerr << "Metaindex acquired, queueing gpg verification (" + << SigFile << "," << DestFile << ")\n"; + AuthPass = true; + Desc.URI = "gpgv:" + SigFile; + QueueURI(Desc); + Mode = "gpgv"; + } + } +} + +void pkgAcqMetaIndex::RetrievalDone(string Message) +{ + // We have just finished downloading a Release file (it is not + // verified yet) + + string FileName = LookupTag(Message,"Filename"); + if (FileName.empty() == true) + { + Status = StatError; + ErrorText = "Method gave a blank filename"; + return; + } + + if (FileName != DestFile) + { + Local = true; + Desc.URI = "copy:" + FileName; + QueueURI(Desc); + return; + } + + Complete = true; + + string FinalFile = _config->FindDir("Dir::State::lists"); + FinalFile += URItoFileName(RealURI); + + // The files timestamp matches + if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == false) + { + // Move it into position + Rename(DestFile,FinalFile); + } + DestFile = FinalFile; +} + +void pkgAcqMetaIndex::AuthDone(string Message) +{ + // At this point, the gpgv method has succeeded, so there is a + // valid signature from a key in the trusted keyring. We + // perform additional verification of its contents, and use them + // to verify the indexes we are about to download + + if (!MetaIndexParser->Load(DestFile)) + { + Status = StatAuthError; + ErrorText = MetaIndexParser->ErrorText; + return; + } + + if (!VerifyVendor()) + { + return; + } + + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + std::cerr << "Signature verification succeeded: " + << DestFile << std::endl; + + // Download further indexes with verification + QueueIndexes(true); + + // Done, move signature file into position + + string VerifiedSigFile = _config->FindDir("Dir::State::lists") + + URItoFileName(RealURI) + ".gpg"; + Rename(SigFile,VerifiedSigFile); + chmod(VerifiedSigFile.c_str(),0644); +} + +void pkgAcqMetaIndex::QueueIndexes(bool verify) +{ + for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin(); + Target != IndexTargets->end(); + Target++) + { + string ExpectedIndexMD5; + if (verify) + { + const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey); + if (!Record) + { + Status = StatAuthError; + ErrorText = "Unable to find expected entry " + + (*Target)->MetaKey + " in Meta-index file (malformed Release file?)"; + return; + } + ExpectedIndexMD5 = Record->MD5Hash; + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + { + std::cerr << "Queueing: " << (*Target)->URI << std::endl; + std::cerr << "Expected MD5: " << ExpectedIndexMD5 << std::endl; + } + if (ExpectedIndexMD5.empty()) + { + Status = StatAuthError; + ErrorText = "Unable to find MD5 sum for " + + (*Target)->MetaKey + " in Meta-index file"; + return; + } + } + + // Queue Packages file + new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description, + (*Target)->ShortDesc, ExpectedIndexMD5); + } +} + +bool pkgAcqMetaIndex::VerifyVendor() +{ +// // Maybe this should be made available from above so we don't have +// // to read and parse it every time? +// pkgVendorList List; +// List.ReadMainList(); + +// const Vendor* Vndr = NULL; +// for (std::vector<string>::const_iterator I = GPGVOutput.begin(); I != GPGVOutput.end(); I++) +// { +// string::size_type pos = (*I).find("VALIDSIG "); +// if (_config->FindB("Debug::Vendor", false)) +// std::cerr << "Looking for VALIDSIG in \"" << (*I) << "\": pos " << pos +// << std::endl; +// if (pos != std::string::npos) +// { +// string Fingerprint = (*I).substr(pos+sizeof("VALIDSIG")); +// if (_config->FindB("Debug::Vendor", false)) +// std::cerr << "Looking for \"" << Fingerprint << "\" in vendor..." << +// std::endl; +// Vndr = List.FindVendor(Fingerprint) != ""; +// if (Vndr != NULL); +// break; +// } +// } + + string Transformed = MetaIndexParser->GetExpectedDist(); + + if (Transformed == "../project/experimental") + { + Transformed = "experimental"; + } + + string::size_type pos = Transformed.rfind('/'); + if (pos != string::npos) + { + Transformed = Transformed.substr(0, pos); + } + + if (Transformed == ".") + { + Transformed = ""; + } + + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + { + std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl; + std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl; + std::cerr << "Transformed Dist: " << Transformed << std::endl; + } + + if (MetaIndexParser->CheckDist(Transformed) == false) + { + // This might become fatal one day +// Status = StatAuthError; +// ErrorText = "Conflicting distribution; expected " +// + MetaIndexParser->GetExpectedDist() + " but got " +// + MetaIndexParser->GetDist(); +// return false; + if (!Transformed.empty()) + { + _error->Warning("Conflicting distribution: %s (expected %s but got %s)", + Desc.Description.c_str(), + Transformed.c_str(), + MetaIndexParser->GetDist().c_str()); + } + } + + return true; +} + /*}}}*/ +// pkgAcqMetaIndex::Failed - no Release file present or no signature +// file present /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) +{ + if (AuthPass == true) + { + // gpgv method failed + _error->Warning("GPG error: %s: %s", + Desc.Description.c_str(), + LookupTag(Message,"Message").c_str()); + } + + // No Release file was present, or verification failed, so fall + // back to queueing Packages files without verification + QueueIndexes(false); +} + /*}}}*/ // AcqArchive::AcqArchive - Constructor /*{{{*/ @@ -373,7 +697,8 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, pkgRecords *Recs,pkgCache::VerIterator const &Version, string &StoreFilename) : Item(Owner), Version(Version), Sources(Sources), Recs(Recs), - StoreFilename(StoreFilename), Vf(Version.FileList()) + StoreFilename(StoreFilename), Vf(Version.FileList()), + Trusted(false) { Retries = _config->FindI("Acquire::Retries",0); @@ -411,7 +736,25 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, QuoteString(Version.Arch(),"_:.") + "." + flExtension(Parse.FileName()); } - + + // check if we have one trusted source for the package. if so, switch + // to "TrustedOnly" mode + for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; i++) + { + pkgIndexFile *Index; + if (Sources->FindIndex(i.File(),Index) == false) + continue; + if (_config->FindB("Debug::pkgAcquire::Auth", false)) + { + std::cerr << "Checking index: " << Index->Describe() + << "(Trusted=" << Index->IsTrusted() << ")\n"; + } + if (Index->IsTrusted()) { + Trusted = true; + break; + } + } + // Select a source if (QueueNext() == false && _error->PendingError() == false) _error->Error(_("I wasn't able to locate file for the %s package. " @@ -437,6 +780,11 @@ bool pkgAcqArchive::QueueNext() if (Sources->FindIndex(Vf.File(),Index) == false) continue; + // only try to get a trusted package from another source if that source + // is also trusted + if(Trusted && !Index->IsTrusted()) + continue; + // Grab the text package record pkgRecords::Parser &Parse = Recs->Lookup(Vf); if (_error->PendingError() == true) @@ -449,6 +797,11 @@ bool pkgAcqArchive::QueueNext() "field for package %s."), Version.ParentPkg().Name()); + Desc.URI = Index->ArchiveURI(PkgFile); + Desc.Description = Index->ArchiveInfo(Version); + Desc.Owner = this; + Desc.ShortDesc = Version.ParentPkg().Name(); + // See if we already have the file. (Legacy filenames) FileSize = Version->Size; string FinalFile = _config->FindDir("Dir::Cache::Archives") + flNotDir(PkgFile); @@ -609,6 +962,14 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) } } /*}}}*/ +// AcqArchive::IsTrusted - Determine whether this archive comes from a +// trusted source /*{{{*/ +// --------------------------------------------------------------------- +bool pkgAcqArchive::IsTrusted() +{ + return Trusted; +} + // AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/ // --------------------------------------------------------------------- /* */ |