summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--apt-pkg/cdrom.h2
-rw-r--r--apt-pkg/contrib/sha2.h4
-rw-r--r--apt-pkg/deb/deblistparser.cc104
-rw-r--r--apt-pkg/deb/dpkgpm.cc6
-rw-r--r--apt-pkg/indexrecords.cc17
-rw-r--r--apt-pkg/policy.cc25
-rw-r--r--apt-pkg/tagfile.h2
-rw-r--r--apt-pkg/vendorlist.cc2
-rw-r--r--cmdline/apt-cdrom.cc3
-rw-r--r--ftparchive/writer.cc3
-rwxr-xr-xtest/integration/test-bug-543966-downgrade-below-1000-pin81
11 files changed, 138 insertions, 111 deletions
diff --git a/apt-pkg/cdrom.h b/apt-pkg/cdrom.h
index 4fc3d3928..7d19eb813 100644
--- a/apt-pkg/cdrom.h
+++ b/apt-pkg/cdrom.h
@@ -18,7 +18,7 @@ class pkgCdromStatus /*{{{*/
int totalSteps;
public:
- pkgCdromStatus() {};
+ pkgCdromStatus() : totalSteps(0) {};
virtual ~pkgCdromStatus() {};
// total steps
diff --git a/apt-pkg/contrib/sha2.h b/apt-pkg/contrib/sha2.h
index 51c921dbd..8e0c99a1b 100644
--- a/apt-pkg/contrib/sha2.h
+++ b/apt-pkg/contrib/sha2.h
@@ -60,10 +60,11 @@ class SHA256Summation : public SHA2SummationBase
res.Set(Sum);
return res;
};
- SHA256Summation()
+ SHA256Summation()
{
SHA256_Init(&ctx);
Done = false;
+ memset(&Sum, 0, sizeof(Sum));
};
};
@@ -96,6 +97,7 @@ class SHA512Summation : public SHA2SummationBase
{
SHA512_Init(&ctx);
Done = false;
+ memset(&Sum, 0, sizeof(Sum));
};
};
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 28857176b..c2707d0a5 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -805,94 +805,28 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,
map_ptrloc const storage = WriteUniqString(component);
FileI->Component = storage;
- // FIXME: should use FileFd and TagSection
- FILE* release = fdopen(dup(File.Fd()), "r");
- if (release == NULL)
+ pkgTagFile TagFile(&File);
+ pkgTagSection Section;
+ if (_error->PendingError() == true || TagFile.Step(Section) == false)
return false;
- char buffer[101];
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- size_t len = 0;
-
- // Skip empty lines
- for (; buffer[len] == '\r' && buffer[len] == '\n'; ++len)
- /* nothing */
- ;
- if (buffer[len] == '\0')
- continue;
-
- // seperate the tag from the data
- const char* dataStart = strchr(buffer + len, ':');
- if (dataStart == NULL)
- continue;
- len = dataStart - buffer;
- for (++dataStart; *dataStart == ' '; ++dataStart)
- /* nothing */
- ;
- const char* dataEnd = (const char*)rawmemchr(dataStart, '\0');
- // The last char should be a newline, but we can never be sure: #633350
- const char* lineEnd = dataEnd;
- for (--lineEnd; *lineEnd == '\r' || *lineEnd == '\n'; --lineEnd)
- /* nothing */
- ;
- ++lineEnd;
-
- // which datastorage need to be updated
- enum { Suite, Component, Version, Origin, Codename, Label, None } writeTo = None;
- if (buffer[0] == ' ')
- ;
- #define APT_PARSER_WRITETO(X) else if (strncmp(#X, buffer, len) == 0) writeTo = X;
- APT_PARSER_WRITETO(Suite)
- APT_PARSER_WRITETO(Component)
- APT_PARSER_WRITETO(Version)
- APT_PARSER_WRITETO(Origin)
- APT_PARSER_WRITETO(Codename)
- APT_PARSER_WRITETO(Label)
- #undef APT_PARSER_WRITETO
- #define APT_PARSER_FLAGIT(X) else if (strncmp(#X, buffer, len) == 0) \
- pkgTagSection::FindFlag(FileI->Flags, pkgCache::Flag:: X, dataStart, lineEnd);
- APT_PARSER_FLAGIT(NotAutomatic)
- APT_PARSER_FLAGIT(ButAutomaticUpgrades)
- #undef APT_PARSER_FLAGIT
-
- // load all data from the line and save it
- string data;
- if (writeTo != None)
- data.append(dataStart, dataEnd);
- if (sizeof(buffer) - 1 == (dataEnd - buffer))
- {
- while (fgets(buffer, sizeof(buffer), release) != NULL)
- {
- if (writeTo != None)
- data.append(buffer);
- if (strlen(buffer) != sizeof(buffer) - 1)
- break;
- }
- }
- if (writeTo != None)
- {
- // remove spaces and stuff from the end of the data line
- for (std::string::reverse_iterator s = data.rbegin();
- s != data.rend(); ++s)
- {
- if (*s != '\r' && *s != '\n' && *s != ' ')
- break;
- *s = '\0';
- }
- map_ptrloc const storage = WriteUniqString(data);
- switch (writeTo) {
- case Suite: FileI->Archive = storage; break;
- case Component: FileI->Component = storage; break;
- case Version: FileI->Version = storage; break;
- case Origin: FileI->Origin = storage; break;
- case Codename: FileI->Codename = storage; break;
- case Label: FileI->Label = storage; break;
- case None: break;
- }
- }
+ std::string data;
+ #define APT_INRELEASE(TAG, STORE) \
+ data = Section.FindS(TAG); \
+ if (data.empty() == false) \
+ { \
+ map_ptrloc const storage = WriteUniqString(data); \
+ STORE = storage; \
}
- fclose(release);
+ APT_INRELEASE("Suite", FileI->Archive)
+ APT_INRELEASE("Component", FileI->Component)
+ APT_INRELEASE("Version", FileI->Version)
+ APT_INRELEASE("Origin", FileI->Origin)
+ APT_INRELEASE("Codename", FileI->Codename)
+ APT_INRELEASE("Label", FileI->Label)
+ #undef APT_INRELEASE
+ Section.FindFlag("NotAutomatic", FileI->Flags, pkgCache::Flag::NotAutomatic);
+ Section.FindFlag("ButAutomaticUpgrades", FileI->Flags, pkgCache::Flag::ButAutomaticUpgrades);
return !_error->PendingError();
}
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc
index b0bd6b184..34ae4e593 100644
--- a/apt-pkg/deb/dpkgpm.cc
+++ b/apt-pkg/deb/dpkgpm.cc
@@ -134,7 +134,8 @@ static void dpkgChrootDirectory()
std::cerr << "Chrooting into " << chrootDir << std::endl;
if (chroot(chrootDir.c_str()) != 0)
_exit(100);
- chdir("/");
+ if (chdir("/") != 0)
+ _exit(100);
}
/*}}}*/
@@ -755,7 +756,8 @@ bool pkgDPkgPM::OpenLog()
pw = getpwnam("root");
gr = getgrnam("adm");
if (pw != NULL && gr != NULL)
- chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid);
+ if(chown(logfile_name.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+ _error->Errno("OpenLog", "chown failed");
chmod(logfile_name.c_str(), 0640);
fprintf(d->term_out, "\nLog started: %s\n", timestr);
}
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index e37a78cfb..6d89949a0 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -62,7 +62,7 @@ bool indexRecords::Load(const string Filename) /*{{{*/
if (OpenMaybeClearSignedFile(Filename, Fd) == false)
return false;
- pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX
+ pkgTagFile TagFile(&Fd);
if (_error->PendingError() == true)
{
strprintf(ErrorText, _("Unable to parse Release file %s"),Filename.c_str());
@@ -71,16 +71,11 @@ bool indexRecords::Load(const string Filename) /*{{{*/
pkgTagSection Section;
const char *Start, *End;
- // Skip over sections beginning with ----- as this is an idicator for clearsigns
- do {
- if (TagFile.Step(Section) == false)
- {
- strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str());
- return false;
- }
-
- Section.Get (Start, End, 0);
- } while (End - Start > 5 && strncmp(Start, "-----", 5) == 0);
+ if (TagFile.Step(Section) == false)
+ {
+ strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str());
+ return false;
+ }
Suite = Section.FindS("Suite");
Dist = Section.FindS("Codename");
diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc
index 4ae3b5f87..0a06cc6e3 100644
--- a/apt-pkg/policy.cc
+++ b/apt-pkg/policy.cc
@@ -166,11 +166,15 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
tracks the default when the default is taken away, and a permanent
pin that stays at that setting.
*/
+ bool PrefSeen = false;
for (pkgCache::VerIterator Ver = Pkg.VersionList(); Ver.end() == false; ++Ver)
{
/* Lets see if this version is the installed version */
bool instVer = (Pkg.CurrentVer() == Ver);
+ if (Pref == Ver)
+ PrefSeen = true;
+
for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
{
/* If this is the status file, and the current version is not the
@@ -187,26 +191,33 @@ pkgCache::VerIterator pkgPolicy::GetCandidateVer(pkgCache::PkgIterator const &Pk
{
Pref = Ver;
Max = Prio;
+ PrefSeen = true;
}
if (Prio > MaxAlt)
{
PrefAlt = Ver;
MaxAlt = Prio;
- }
- }
-
+ }
+ }
+
if (instVer == true && Max < 1000)
{
+ /* Not having seen the Pref yet means we have a specific pin below 1000
+ on a version below the current installed one, so ignore the specific pin
+ as this would be a downgrade otherwise */
+ if (PrefSeen == false || Pref.end() == true)
+ {
+ Pref = Ver;
+ PrefSeen = true;
+ }
/* Elevate our current selection (or the status file itself)
to the Pseudo-status priority. */
- if (Pref.end() == true)
- Pref = Ver;
Max = 1000;
-
+
// Fast path optimize.
if (StatusOverride == false)
break;
- }
+ }
}
// If we do not find our candidate, use the one with the highest pin.
// This means that if there is a version available with pin > 0; there
diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index 4718f5101..fedd72701 100644
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -84,7 +84,7 @@ class pkgTagSection
Stop = this->Stop;
};
- pkgTagSection() : Section(0), TagCount(0), Stop(0) {};
+ pkgTagSection() : Section(0), TagCount(0), d(NULL), Stop(0) {};
virtual ~pkgTagSection() {};
};
diff --git a/apt-pkg/vendorlist.cc b/apt-pkg/vendorlist.cc
index ecfc7db87..602425624 100644
--- a/apt-pkg/vendorlist.cc
+++ b/apt-pkg/vendorlist.cc
@@ -66,7 +66,7 @@ bool pkgVendorList::CreateList(Configuration& Cnf) /*{{{*/
Configuration Block(Top);
string VendorID = Top->Tag;
vector <struct Vendor::Fingerprint *> *Fingerprints = new vector<Vendor::Fingerprint *>;
- struct Vendor::Fingerprint *Fingerprint = new struct Vendor::Fingerprint;
+ struct Vendor::Fingerprint *Fingerprint = new struct Vendor::Fingerprint();
string Origin = Block.Find("Origin");
Fingerprint->Print = Block.Find("Fingerprint");
diff --git a/cmdline/apt-cdrom.cc b/cmdline/apt-cdrom.cc
index c153cca85..545edf439 100644
--- a/cmdline/apt-cdrom.cc
+++ b/cmdline/apt-cdrom.cc
@@ -66,7 +66,8 @@ void pkgCdromTextStatus::Prompt(const char *Text)
{
char C;
cout << Text << ' ' << flush;
- read(STDIN_FILENO,&C,1);
+ if (read(STDIN_FILENO,&C,1) < 0)
+ _error->Errno("pkgCdromTextStatus::Prompt", "failed to prompt");
if (C != '\n')
cout << endl;
}
diff --git a/ftparchive/writer.cc b/ftparchive/writer.cc
index 3283128d8..7ecfe78ed 100644
--- a/ftparchive/writer.cc
+++ b/ftparchive/writer.cc
@@ -284,7 +284,8 @@ bool FTWScanner::Delink(string &FileName,const char *OriginalPath,
if (link(FileName.c_str(),OriginalPath) != 0)
{
// Panic! Restore the symlink
- symlink(OldLink,OriginalPath);
+ if (symlink(OldLink,OriginalPath) != 0)
+ _error->Errno("symlink", "failed to restore symlink");
return _error->Errno("link",_("*** Failed to link %s to %s"),
FileName.c_str(),
OriginalPath);
diff --git a/test/integration/test-bug-543966-downgrade-below-1000-pin b/test/integration/test-bug-543966-downgrade-below-1000-pin
new file mode 100755
index 000000000..f602bea95
--- /dev/null
+++ b/test/integration/test-bug-543966-downgrade-below-1000-pin
@@ -0,0 +1,81 @@
+#!/bin/sh
+set -e
+
+TESTDIR=$(readlink -f $(dirname $0))
+. $TESTDIR/framework
+
+setupenvironment
+configarchitecture 'i386'
+
+insertpackage 'unstable' 'base-files' 'all' '5.0.0'
+insertinstalledpackage 'base-files' 'all' '5.0.0-1'
+
+setupaptarchive
+
+STATUS=$(readlink -f rootdir/var/lib/dpkg/status)
+APTARCHIVE="$(readlink -f aptarchive)/"
+
+testequal "base-files:
+ Installed: 5.0.0-1
+ Candidate: 5.0.0-1
+ Version table:
+ *** 5.0.0-1 0
+ 100 $STATUS
+ 5.0.0 0
+ 500 file:${APTARCHIVE} unstable/main i386 Packages" aptcache policy base-files -o apt::pin=0
+
+echo 'Package: base-files
+Pin: release a=unstable
+Pin-Priority: 99' > rootdir/etc/apt/preferences
+
+testequal "base-files:
+ Installed: 5.0.0-1
+ Candidate: 5.0.0-1
+ Package pin: 5.0.0
+ Version table:
+ *** 5.0.0-1 99
+ 100 $STATUS
+ 5.0.0 99
+ 500 file:${APTARCHIVE} unstable/main i386 Packages" aptcache policy base-files -o apt::pin=99
+
+echo 'Package: base-files
+Pin: release a=unstable
+Pin-Priority: 100' > rootdir/etc/apt/preferences
+
+testequal "base-files:
+ Installed: 5.0.0-1
+ Candidate: 5.0.0-1
+ Package pin: 5.0.0
+ Version table:
+ *** 5.0.0-1 100
+ 100 $STATUS
+ 5.0.0 100
+ 500 file:${APTARCHIVE} unstable/main i386 Packages" aptcache policy base-files -o apt::pin=100
+
+echo 'Package: base-files
+Pin: release a=unstable
+Pin-Priority: 999' > rootdir/etc/apt/preferences
+
+testequal "base-files:
+ Installed: 5.0.0-1
+ Candidate: 5.0.0-1
+ Package pin: 5.0.0
+ Version table:
+ *** 5.0.0-1 999
+ 100 $STATUS
+ 5.0.0 999
+ 500 file:${APTARCHIVE} unstable/main i386 Packages" aptcache policy base-files -o apt::pin=999
+
+echo 'Package: base-files
+Pin: release a=unstable
+Pin-Priority: 1000' > rootdir/etc/apt/preferences
+
+testequal "base-files:
+ Installed: 5.0.0-1
+ Candidate: 5.0.0
+ Package pin: 5.0.0
+ Version table:
+ *** 5.0.0-1 1000
+ 100 $STATUS
+ 5.0.0 1000
+ 500 file:${APTARCHIVE} unstable/main i386 Packages" aptcache policy base-files -o apt::pin=1000
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 19:03:53 +0000