apt-pkg/tagfile.h: add dpointer placeholder, make destructor virtual; apt-pkg/deb...

[apt.git] / apt-pkg / deb / deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index fe68aec0bca34e2a46a21b03cb7af07cf6b5440a..1b3bfd6ae492c77deff4ea208403d3081f9e4f90 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -17,10 +17,10 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>

+#include <apt-pkg/macros.h>

 
 

+#include <fnmatch.h>

 #include <ctype.h>
 #include <ctype.h>

-
-#include <system.h>

                                                                        /*}}}*/
 
 static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},
                                                                        /*}}}*/
 
 static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Important},


@@ -32,10 +32,15 @@ static debListParser::WordList PrioList[] = {{"important",pkgCache::State::Impor
 
 // ListParser::debListParser - Constructor                             /*{{{*/
 // ---------------------------------------------------------------------
 
 // ListParser::debListParser - Constructor                             /*{{{*/
 // ---------------------------------------------------------------------

-/* */
-debListParser::debListParser(FileFd *File) : Tags(File)
-{
-   Arch = _config->Find("APT::architecture");
+/* Provide an architecture and only this one and "all" will be accepted
+   in Step(), if no Architecture is given we will accept every arch
+   we would accept in general with checkArchitecture() */
+debListParser::debListParser(FileFd *File, string const &Arch) : Tags(File),
+                               Arch(Arch) {
+   if (Arch == "native")
+      this->Arch = _config->Find("APT::Architecture");
+   Architectures = APT::Configuration::getArchitectures();
+   MultiArchEnabled = Architectures.size() > 1;

 }
                                                                        /*}}}*/
 // ListParser::UniqFindTagWrite - Find the tag and write a unq string  /*{{{*/
 }
                                                                        /*}}}*/
 // ListParser::UniqFindTagWrite - Find the tag and write a unq string  /*{{{*/


@@ -54,24 +59,38 @@ unsigned long debListParser::UniqFindTagWrite(const char *Tag)
 // ---------------------------------------------------------------------
 /* This is to return the name of the package this section describes */
 string debListParser::Package() {
 // ---------------------------------------------------------------------
 /* This is to return the name of the package this section describes */
 string debListParser::Package() {

-       string const Result = Section.FindS("Package");
-       if(unlikely(Result.empty() == true))
-               _error->Error("Encountered a section with no Package: header");
-       return Result;
+   string const Result = Section.FindS("Package");
+   if(unlikely(Result.empty() == true))
+      _error->Error("Encountered a section with no Package: header");
+   return Result;

 }
                                                                        /*}}}*/
 // ListParser::Architecture - Return the package arch                  /*{{{*/
 // ---------------------------------------------------------------------
 /* This will return the Architecture of the package this section describes
    Note that architecture "all" packages will get the architecture of the
 }
                                                                        /*}}}*/
 // ListParser::Architecture - Return the package arch                  /*{{{*/
 // ---------------------------------------------------------------------
 /* This will return the Architecture of the package this section describes
    Note that architecture "all" packages will get the architecture of the

-   Packages file parsed here */
+   Packages file parsed here. */

 string debListParser::Architecture() {
 string debListParser::Architecture() {

-       string const Result = Section.FindS("Architecture");
-       if (Result.empty() == true)
-               return Arch;
-       if (Result == "all")
-               return Arch;
-       return Result;
+   string const Result = Section.FindS("Architecture");
+   if (Result.empty() == true || Result == "all")
+   {
+      if (Arch.empty() == true)
+        /* FIXME: this is a problem for installed arch all
+           packages as we don't know from which arch this
+           package was installed - and therefore which
+           dependency this package resolves. */
+        return _config->Find("APT::Architecture");
+      else
+        return Arch;
+   }
+   return Result;
+}
+                                                                       /*}}}*/
+// ListParser::ArchitectureAll                                         /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool debListParser::ArchitectureAll() {
+   return Section.FindS("Architecture") == "all";

 }
                                                                        /*}}}*/
 // ListParser::Version - Return the version string                     /*{{{*/
 }
                                                                        /*}}}*/
 // ListParser::Version - Return the version string                     /*{{{*/


@@ -87,19 +106,39 @@ string debListParser::Version()
 // ListParser::NewVersion - Fill in the version structure              /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // ListParser::NewVersion - Fill in the version structure              /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool debListParser::NewVersion(pkgCache::VerIterator Ver)
+bool debListParser::NewVersion(pkgCache::VerIterator &Ver)

 {
    // Parse the section
    Ver->Section = UniqFindTagWrite("Section");
 
 {
    // Parse the section
    Ver->Section = UniqFindTagWrite("Section");
 

-   // Parse the architecture
-   Ver->Arch = WriteUniqString(Architecture());
+   // Parse multi-arch
+   if (Section.FindS("Architecture") == "all")
+      /* Arch all packages can't have a Multi-Arch field,
+         but we need a special treatment for them nonetheless */
+      Ver->MultiArch = pkgCache::Version::All;
+   else
+   {
+      string const MultiArch = Section.FindS("Multi-Arch");
+      if (MultiArch.empty() == true)
+        Ver->MultiArch = pkgCache::Version::None;
+      else if (MultiArch == "same")
+        Ver->MultiArch = pkgCache::Version::Same;
+      else if (MultiArch == "foreign")
+        Ver->MultiArch = pkgCache::Version::Foreign;
+      else if (MultiArch == "allowed")
+        Ver->MultiArch = pkgCache::Version::Allowed;
+      else
+      {
+        _error->Warning("Unknown Multi-Arch type »%s« for package »%s«",
+                       MultiArch.c_str(), Section.FindS("Package").c_str());
+        Ver->MultiArch = pkgCache::Version::None;
+      }
+   }

 
    // Archive Size
 
    // Archive Size

-   Ver->Size = (unsigned)Section.FindI("Size");
-   
+   Ver->Size = Section.FindULL("Size");

    // Unpacked Size (in K)
    // Unpacked Size (in K)

-   Ver->InstalledSize = (unsigned)Section.FindI("Installed-Size");
+   Ver->InstalledSize = Section.FindULL("Installed-Size");

    Ver->InstalledSize *= 1024;
 
    // Priority
    Ver->InstalledSize *= 1024;
 
    // Priority


@@ -111,6 +150,24 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
         Ver->Priority = pkgCache::State::Extra;
    }
 
         Ver->Priority = pkgCache::State::Extra;
    }
 

+   if (Ver->MultiArch == pkgCache::Version::All)
+   {
+      /* We maintain a "pseudo" arch=all package for architecture all versions
+        on which these versions can depend on. This pseudo package is many used
+        for downloading/installing: The other pseudo-packages will degenerate
+        to a NOP in the download/install step - this package will ensure that
+        it is downloaded only one time and installed only one time -- even if
+        the architecture bound versions coming in and out on regular basis. */
+      if (strcmp(Ver.Arch(true),"all") == 0)
+        return true;
+      else if (MultiArchEnabled == true)
+      {
+        // our pseudo packages have no size to not confuse the fetcher
+        Ver->Size = 0;
+        Ver->InstalledSize = 0;
+      }
+   }
+

    if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
       return false;
    if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)
    if (ParseDepends(Ver,"Depends",pkgCache::Dep::Depends) == false)
       return false;
    if (ParseDepends(Ver,"Pre-Depends",pkgCache::Dep::PreDepends) == false)


@@ -194,13 +251,21 @@ MD5SumValue debListParser::Description_md5()
 // ---------------------------------------------------------------------
 /* This is called to update the package with any new information 
    that might be found in the section */
 // ---------------------------------------------------------------------
 /* This is called to update the package with any new information 
    that might be found in the section */

-bool debListParser::UsePackage(pkgCache::PkgIterator Pkg,
-                              pkgCache::VerIterator Ver)
+bool debListParser::UsePackage(pkgCache::PkgIterator &Pkg,
+                              pkgCache::VerIterator &Ver)

 {
    if (Pkg->Section == 0)
       Pkg->Section = UniqFindTagWrite("Section");
 {
    if (Pkg->Section == 0)
       Pkg->Section = UniqFindTagWrite("Section");

-   if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
-      return false;
+
+   // Packages which are not from the "native" arch doesn't get the essential flag
+   // in the default "native" mode - it is also possible to mark "all" or "none".
+   // The "installed" mode is handled by ParseStatus(), See #544481 and friends.
+   string const static myArch = _config->Find("APT::Architecture");
+   string const static essential = _config->Find("pkgCacheGen::Essential", "native");
+   if ((essential == "native" && Pkg->Arch != 0 && myArch == Pkg.Arch()) ||
+       essential == "all")
+      if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+        return false;

    if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false)
       return false;
 
    if (Section.FindFlag("Important",Pkg->Flags,pkgCache::Flag::Important) == false)
       return false;
 


@@ -267,14 +332,20 @@ unsigned short debListParser::VersionHash()
    Some of the above are obsolete (I think?) flag = hold-* and 
    status = post-inst-failed, removal-failed at least.
  */
    Some of the above are obsolete (I think?) flag = hold-* and 
    status = post-inst-failed, removal-failed at least.
  */

-bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
-                               pkgCache::VerIterator Ver)
+bool debListParser::ParseStatus(pkgCache::PkgIterator &Pkg,
+                               pkgCache::VerIterator &Ver)

 {
    const char *Start;
    const char *Stop;
    if (Section.Find("Status",Start,Stop) == false)
       return true;
 {
    const char *Start;
    const char *Stop;
    if (Section.Find("Status",Start,Stop) == false)
       return true;

-   
+
+   // UsePackage() is responsible for setting the flag in the default case
+   bool const static essential = _config->Find("pkgCacheGen::Essential", "") == "installed";
+   if (essential == true &&
+       Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
+      return false;
+

    // Isolate the first word
    const char *I = Start;
    for(; I < Stop && *I != ' '; I++);
    // Isolate the first word
    const char *I = Start;
    for(; I < Stop && *I != ' '; I++);


@@ -403,6 +474,21 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
    return I;
 }
 
    return I;
 }
 

+/*
+ * CompleteArch:
+ *
+ * The complete architecture, consisting of <kernel>-<cpu>.
+ */
+static string CompleteArch(std::string& arch) {
+    if (arch == "armel")              return "linux-arm";
+    if (arch == "armhf")              return "linux-arm";
+    if (arch == "lpia")               return "linux-i386";
+    if (arch == "powerpcspe")         return "linux-powerpc";
+    if (arch == "uclibc-linux-armel") return "linux-arm";
+    if (arch == "uclinux-armel")      return "uclinux-arm";
+
+    return (arch.find("-") != string::npos) ? arch : "linux-" + arch;
+}

                                                                        /*}}}*/
 // ListParser::ParseDepends - Parse a dependency element               /*{{{*/
 // ---------------------------------------------------------------------
                                                                        /*}}}*/
 // ListParser::ParseDepends - Parse a dependency element               /*{{{*/
 // ---------------------------------------------------------------------


@@ -476,6 +562,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
    if (ParseArchFlags == true)
    {
       string arch = _config->Find("APT::Architecture");
    if (ParseArchFlags == true)
    {
       string arch = _config->Find("APT::Architecture");

+      string completeArch = CompleteArch(arch);

 
       // Parse an architecture
       if (I != Stop && *I == '[')
 
       // Parse an architecture
       if (I != Stop && *I == '[')


@@ -503,8 +590,13 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
               I++;
             }
 
               I++;
             }
 

-           if (stringcmp(arch,I,End) == 0)
+           if (stringcmp(arch,I,End) == 0) {

               Found = true;
               Found = true;

+           } else {
+              std::string wildcard = SubstVar(string(I, End), "any", "*");
+              if (fnmatch(wildcard.c_str(), completeArch.c_str(), 0) == 0)
+                 Found = true;
+           }

            
            if (*End++ == ']') {
               I = End;
            
            if (*End++ == ']') {
               I = End;


@@ -543,16 +635,16 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
 // ---------------------------------------------------------------------
 /* This is the higher level depends parser. It takes a tag and generates
    a complete depends tree for the given version. */
 // ---------------------------------------------------------------------
 /* This is the higher level depends parser. It takes a tag and generates
    a complete depends tree for the given version. */

-bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
+bool debListParser::ParseDepends(pkgCache::VerIterator &Ver,

                                 const char *Tag,unsigned int Type)
 {
    const char *Start;
    const char *Stop;
    if (Section.Find(Tag,Start,Stop) == false)
       return true;
                                 const char *Tag,unsigned int Type)
 {
    const char *Start;
    const char *Stop;
    if (Section.Find(Tag,Start,Stop) == false)
       return true;

-   
+

    string Package;
    string Package;

-   string const pkgArch = Ver.Arch();
+   string const pkgArch = Ver.Arch(true);

    string Version;
    unsigned int Op;
 
    string Version;
    unsigned int Op;
 


@@ -561,8 +653,18 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
       Start = ParseDepends(Start,Stop,Package,Version,Op);
       if (Start == 0)
         return _error->Error("Problem parsing dependency %s",Tag);
       Start = ParseDepends(Start,Stop,Package,Version,Op);
       if (Start == 0)
         return _error->Error("Problem parsing dependency %s",Tag);

-      
-      if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false)
+
+      if (MultiArchEnabled == true &&
+         (Type == pkgCache::Dep::Conflicts ||
+          Type == pkgCache::Dep::DpkgBreaks ||
+          Type == pkgCache::Dep::Replaces))
+      {
+        for (std::vector<std::string>::const_iterator a = Architectures.begin();
+             a != Architectures.end(); ++a)
+           if (NewDepends(Ver,Package,*a,Version,Op,Type) == false)
+              return false;
+      }
+      else if (NewDepends(Ver,Package,pkgArch,Version,Op,Type) == false)

         return false;
       if (Start == Stop)
         break;
         return false;
       if (Start == Stop)
         break;


@@ -573,33 +675,55 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
 // ListParser::ParseProvides - Parse the provides list                 /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // ListParser::ParseProvides - Parse the provides list                 /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
+bool debListParser::ParseProvides(pkgCache::VerIterator &Ver)

 {
    const char *Start;
    const char *Stop;
 {
    const char *Start;
    const char *Stop;

-   if (Section.Find("Provides",Start,Stop) == false)
-      return true;
-   
-   string Package;
-   string Version;
-   unsigned int Op;
-
-   while (1)
+   if (Section.Find("Provides",Start,Stop) == true)

    {
    {

-      Start = ParseDepends(Start,Stop,Package,Version,Op);
-      if (Start == 0)
-        return _error->Error("Problem parsing Provides line");
-      if (Op != pkgCache::Dep::NoOp) {
-        _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
-      } else {
-        if (NewProvides(Ver,Package,Version) == false)
-           return false;
+      string Package;
+      string Version;
+      string const Arch = Ver.Arch(true);
+      unsigned int Op;
+
+      while (1)
+      {
+        Start = ParseDepends(Start,Stop,Package,Version,Op);
+        if (Start == 0)
+           return _error->Error("Problem parsing Provides line");
+        if (Op != pkgCache::Dep::NoOp) {
+           _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+        } else {
+           if (NewProvides(Ver, Package, Arch, Version) == false)
+              return false;
+        }
+
+        if (Start == Stop)
+           break;

       }
       }

+   }

 
 

-      if (Start == Stop)
-        break;
+   if (Ver->MultiArch == pkgCache::Version::Allowed)
+   {
+      string const Package = string(Ver.ParentPkg().Name()).append(":").append("any");
+      NewProvides(Ver, Package, "any", Ver.VerStr());

    }
    }

-   
+
+   if (Ver->MultiArch != pkgCache::Version::Foreign)
+      return true;
+
+   if (MultiArchEnabled == false)
+      return true;
+
+   string const Package = Ver.ParentPkg().Name();
+   string const Version = Ver.VerStr();
+   for (std::vector<string>::const_iterator a = Architectures.begin();
+       a != Architectures.end(); ++a)
+   {
+      if (NewProvides(Ver, Package, *a, Version) == false)
+        return false;
+   }
+

    return true;
 }
                                                                        /*}}}*/
    return true;
 }
                                                                        /*}}}*/


@@ -630,17 +754,23 @@ bool debListParser::Step()
       /* See if this is the correct Architecture, if it isn't then we
          drop the whole section. A missing arch tag only happens (in theory)
          inside the Status file, so that is a positive return */
       /* See if this is the correct Architecture, if it isn't then we
          drop the whole section. A missing arch tag only happens (in theory)
          inside the Status file, so that is a positive return */

-      const char *Start;
-      const char *Stop;
-      if (Section.Find("Architecture",Start,Stop) == false)
+      string const Architecture = Section.FindS("Architecture");
+      if (Architecture.empty() == true)

         return true;
 
         return true;
 

-      //FIXME: Accept different Architectures here
-      if (stringcmp(Arch,Start,Stop) == 0)
-        return true;
+      if (Arch.empty() == true || Arch == "any" || MultiArchEnabled == false)
+      {
+        if (APT::Configuration::checkArchitecture(Architecture) == true)
+           return true;
+      }
+      else
+      {
+        if (Architecture == Arch)
+           return true;

 
 

-      if (stringcmp(Start,Stop,"all") == 0)
-        return true;
+        if (Architecture == "all")
+           return true;
+      }

 
       iOffset = Tags.Offset();
    }   
 
       iOffset = Tags.Offset();
    }   


@@ -650,7 +780,7 @@ bool debListParser::Step()
 // ListParser::LoadReleaseInfo - Load the release information          /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 // ListParser::LoadReleaseInfo - Load the release information          /*{{{*/
 // ---------------------------------------------------------------------
 /* */

-bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
+bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator &FileI,

                                    FileFd &File, string component)
 {
    pkgTagFile Tags(&File, File.Size() + 256); // XXX
                                    FileFd &File, string component)
 {
    pkgTagFile Tags(&File, File.Size() + 256); // XXX


@@ -686,6 +816,12 @@ bool debListParser::LoadReleaseInfo(pkgCache::PkgFileIterator FileI,
    if (Section.FindFlag("NotAutomatic",FileI->Flags,
                        pkgCache::Flag::NotAutomatic) == false)
       _error->Warning("Bad NotAutomatic flag");
    if (Section.FindFlag("NotAutomatic",FileI->Flags,
                        pkgCache::Flag::NotAutomatic) == false)
       _error->Warning("Bad NotAutomatic flag");

+   if (Section.FindFlag("ButAutomaticUpgrades",FileI->Flags,
+                       pkgCache::Flag::ButAutomaticUpgrades) == false)
+      _error->Warning("Bad ButAutomaticUpgrades flag");
+   // overrule the NotAutomatic setting if needed as they are both present for compatibility
+   else if ((FileI->Flags & pkgCache::Flag::ButAutomaticUpgrades) == pkgCache::Flag::ButAutomaticUpgrades)
+      FileI->Flags &= ~pkgCache::Flag::NotAutomatic;

 
    return !_error->PendingError();
 }
 
    return !_error->PendingError();
 }