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-rw-r--r--apt-pkg/acquire-item.cc108
1 files changed, 59 insertions, 49 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 6f479ccef..04ba2b479 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -175,41 +175,79 @@ static void ReportMirrorFailureToCentral(pkgAcquire::Item const &I, std::string
}
/*}}}*/
-static bool MessageInsecureRepository(bool const isError, std::string const &msg)/*{{{*/
+static bool MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo)/*{{{*/
{
+ std::string m;
+ strprintf(m, msg, repo.c_str());
if (isError)
{
- _error->Error("%s", msg.c_str());
+ _error->Error("%s", m.c_str());
_error->Notice("%s", _("Updating from such a repository can't be done securely, and is therefore disabled by default."));
}
else
{
- _error->Warning("%s", msg.c_str());
+ _error->Warning("%s", m.c_str());
_error->Notice("%s", _("Data from such a repository can't be authenticated and is therefore potentially dangerous to use."));
}
_error->Notice("%s", _("See apt-secure(8) manpage for repository creation and user configuration details."));
return false;
}
-static bool APT_NONNULL(2) MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo)
-{
- std::string m;
- strprintf(m, msg, repo.c_str());
- return MessageInsecureRepository(isError, m);
-}
/*}}}*/
-static bool APT_NONNULL(1, 3, 4, 5) AllowInsecureRepositories(char const * const msg, std::string const &repo,/*{{{*/
+// AllowInsecureRepositories /*{{{*/
+enum class InsecureType { UNSIGNED, WEAK, NORELEASE };
+static bool APT_NONNULL(3, 4, 5) AllowInsecureRepositories(InsecureType msg, std::string const &repo,
metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I)
{
+ // we skip weak downgrades as its unlikely that a repository gets really weaker –
+ // its more realistic that apt got pickier in a newer version
+ if (msg != InsecureType::WEAK)
+ {
+ std::string const FinalInRelease = TransactionManager->GetFinalFilename();
+ std::string const FinalReleasegpg = FinalInRelease.substr(0, FinalInRelease.length() - strlen("InRelease")) + "Release.gpg";
+ if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
+ {
+ char const * msgstr = nullptr;
+ switch (msg)
+ {
+ case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is no longer signed."); break;
+ case InsecureType::NORELEASE: msgstr = _("The repository '%s' does no longer have a Release file."); break;
+ case InsecureType::WEAK: /* unreachable */ break;
+ }
+ if (_config->FindB("Acquire::AllowDowngradeToInsecureRepositories"))
+ {
+ // meh, the users wants to take risks (we still mark the packages
+ // from this repository as unauthenticated)
+ _error->Warning(msgstr, repo.c_str());
+ _error->Warning(_("This is normally not allowed, but the option "
+ "Acquire::AllowDowngradeToInsecureRepositories was "
+ "given to override it."));
+ } else {
+ MessageInsecureRepository(true, msgstr, repo);
+ TransactionManager->AbortTransaction();
+ I->Status = pkgAcquire::Item::StatError;
+ return false;
+ }
+ }
+ }
+
if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES)
return true;
+ char const * msgstr = nullptr;
+ switch (msg)
+ {
+ case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is not signed."); break;
+ case InsecureType::NORELEASE: msgstr = _("The repository '%s' does not have a Release file."); break;
+ case InsecureType::WEAK: msgstr = _("The repository '%s' provides only weak security information."); break;
+ }
+
if (_config->FindB("Acquire::AllowInsecureRepositories") == true)
{
- MessageInsecureRepository(false, msg, repo);
+ MessageInsecureRepository(false, msgstr, repo);
return true;
}
- MessageInsecureRepository(true, msg, repo);
+ MessageInsecureRepository(true, msgstr, repo);
TransactionManager->AbortTransaction();
I->Status = pkgAcquire::Item::StatError;
return false;
@@ -1172,8 +1210,7 @@ bool pkgAcqMetaBase::CheckAuthDone(string const &Message) /*{{{*/
}
bool const GoodAuth = TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText);
- if (GoodAuth == false && AllowInsecureRepositories(_("The repository '%s' provides only weak security information."),
- Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == false)
+ if (GoodAuth == false && AllowInsecureRepositories(InsecureType::WEAK, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == false)
{
Status = StatAuthError;
return false;
@@ -1586,10 +1623,7 @@ void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig c
if(CheckStopAuthentication(this, Message))
return;
- // No Release file was present, or verification failed, so fall
- // back to queueing Packages files without verification
- // only allow going further if the user explicitly wants it
- if(AllowInsecureRepositories(_("The repository '%s' is not signed."), ClearsignedTarget.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ if(AllowInsecureRepositories(InsecureType::UNSIGNED, ClearsignedTarget.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
Status = StatDone;
@@ -1660,7 +1694,7 @@ void pkgAcqMetaIndex::Failed(string const &Message,
// No Release file was present so fall
// back to queueing Packages files without verification
// only allow going further if the user explicitly wants it
- if(AllowInsecureRepositories(_("The repository '%s' does not have a Release file."), Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ if(AllowInsecureRepositories(InsecureType::NORELEASE, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
// ensure old Release files are removed
TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
@@ -1778,40 +1812,14 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const
if (MetaIndex->AuthPass == true && MetaIndex->CheckStopAuthentication(this, Message))
return;
- string const FinalRelease = MetaIndex->GetFinalFilename();
- string const FinalReleasegpg = GetFinalFilename();
- string const FinalInRelease = TransactionManager->GetFinalFilename();
-
- if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
- {
- std::string downgrade_msg;
- strprintf(downgrade_msg, _("The repository '%s' is no longer signed."),
- MetaIndex->Target.Description.c_str());
- if(_config->FindB("Acquire::AllowDowngradeToInsecureRepositories"))
- {
- // meh, the users wants to take risks (we still mark the packages
- // from this repository as unauthenticated)
- _error->Warning("%s", downgrade_msg.c_str());
- _error->Warning(_("This is normally not allowed, but the option "
- "Acquire::AllowDowngradeToInsecureRepositories was "
- "given to override it."));
- Status = StatDone;
- } else {
- MessageInsecureRepository(true, downgrade_msg);
- if (TransactionManager->IMSHit == false)
- Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED");
- Item::Failed("Message: " + downgrade_msg, Cnf);
- TransactionManager->AbortTransaction();
- return;
- }
- }
-
// ensures that a Release.gpg file in the lists/ is removed by the transaction
TransactionManager->TransactionStageRemoval(this, DestFile);
// only allow going further if the user explicitly wants it
- if (AllowInsecureRepositories(_("The repository '%s' is not signed."), MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ if (AllowInsecureRepositories(InsecureType::UNSIGNED, MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
+ string const FinalRelease = MetaIndex->GetFinalFilename();
+ string const FinalInRelease = TransactionManager->GetFinalFilename();
LoadLastMetaIndexParser(TransactionManager, FinalRelease, FinalInRelease);
// we parse the indexes here because at this point the user wanted
@@ -1822,8 +1830,10 @@ void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const
else
TransactionManager->QueueIndexes(GoodLoad);
- TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
+ TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, FinalRelease);
}
+ else if (TransactionManager->IMSHit == false)
+ Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED");
// FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor
if (Cnf->LocalOnly == true ||
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 06:09:16 +0000