Change supposidly 'unclear' numerology.

[apt.git] / apt-pkg / sourcelist.cc

diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index c4f225fde770859349ac28274a1456220eb67aa0..1173098d278e941092716d6b7137c8bc5854c8de 100644 (file)
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: sourcelist.cc,v 1.13 1999/04/07 05:30:17 jgg Exp $
+// $Id: sourcelist.cc,v 1.23 2002/07/01 21:41:11 jgg Exp $

 /* ######################################################################
 
    List of Sources
 /* ######################################################################
 
    List of Sources


@@ -18,345 +18,314 @@
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
 

-#include <fstream.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/stat.h>
+#include <apti18n.h>
+
+#include <fstream>

                                                                        /*}}}*/
 
                                                                        /*}}}*/
 

-// SourceList::pkgSourceList - Constructors                            /*{{{*/
+using namespace std;
+
+// Global list of Items supported
+static  pkgSourceList::Type *ItmList[10];
+pkgSourceList::Type **pkgSourceList::Type::GlobalList = ItmList;
+unsigned long pkgSourceList::Type::GlobalListLen = 0;
+
+// Type::Type - Constructor                                            /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* */
-pkgSourceList::pkgSourceList()
+/* Link this to the global list of items*/
+pkgSourceList::Type::Type()

 {
 {

-}
-
-pkgSourceList::pkgSourceList(string File)
-{
-   Read(File);
+   ItmList[GlobalListLen] = this;
+   GlobalListLen++;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::ReadMainList - Read the main source list from etc       /*{{{*/
+// Type::GetType - Get a specific meta for a given type                        /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-bool pkgSourceList::ReadMainList()
+pkgSourceList::Type *pkgSourceList::Type::GetType(const char *Type)

 {
 {

-   return Read(_config->FindFile("Dir::Etc::sourcelist"));
+   for (unsigned I = 0; I != GlobalListLen; I++)
+      if (strcmp(GlobalList[I]->Name,Type) == 0)
+        return GlobalList[I];
+   return 0;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Read - Parse the sourcelist file                                /*{{{*/
+// Type::FixupURI - Normalize the URI and check it..                   /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-bool pkgSourceList::Read(string File)
+bool pkgSourceList::Type::FixupURI(string &URI) const

 {
 {

-   // Open the stream for reading
-   ifstream F(File.c_str(),ios::in | ios::nocreate);
-   if (!F != 0)
-      return _error->Errno("ifstream::ifstream","Opening %s",File.c_str());
-   
-   List.erase(List.begin(),List.end());
-   char Buffer[300];
-
-   int CurLine = 0;
-   while (F.eof() == false)
-   {
-      F.getline(Buffer,sizeof(Buffer));
-      CurLine++;
-      _strtabexpand(Buffer,sizeof(Buffer));
-      _strstrip(Buffer);
-      
-      // Comment or blank
-      if (Buffer[0] == '#' || Buffer[0] == 0)
-        continue;
-      
-      // Grok it
-      string Type;
-      string URI;
-      Item Itm;
-      char *C = Buffer;
-      if (ParseQuoteWord(C,Type) == false)
-        return _error->Error("Malformed line %u in source list %s (type)",CurLine,File.c_str());
-      if (ParseQuoteWord(C,URI) == false)
-        return _error->Error("Malformed line %u in source list %s (URI)",CurLine,File.c_str());
-      if (ParseQuoteWord(C,Itm.Dist) == false)
-        return _error->Error("Malformed line %u in source list %s (dist)",CurLine,File.c_str());
-      if (Itm.SetType(Type) == false)
-        return _error->Error("Malformed line %u in source list %s (type parse)",CurLine,File.c_str());
-      if (Itm.SetURI(URI) == false)
-        return _error->Error("Malformed line %u in source list %s (URI parse)",CurLine,File.c_str());
+   if (URI.empty() == true)
+      return false;

 
 

-      // Check for an absolute dists specification.
-      if (Itm.Dist.empty() == false && Itm.Dist[Itm.Dist.size() - 1] == '/')
-      {
-        if (ParseQuoteWord(C,Itm.Section) == true)
-           return _error->Error("Malformed line %u in source list %s (Absolute dist)",CurLine,File.c_str());
-        Itm.Dist = SubstVar(Itm.Dist,"$(ARCH)",_config->Find("APT::Architecture"));
-        List.push_back(Itm);
-        continue;
-      }
+   if (URI.find(':') == string::npos)
+      return false;

 
 

-      // Grab the rest of the dists
-      if (ParseQuoteWord(C,Itm.Section) == false)
-           return _error->Error("Malformed line %u in source list %s (dist parse)",CurLine,File.c_str());
-      
-      do
-      {
-        List.push_back(Itm);
-      }
-      while (ParseQuoteWord(C,Itm.Section) == true);
-   }
+   URI = SubstVar(URI,"$(ARCH)",_config->Find("APT::Architecture"));
+   
+   // Make sure that the URI is / postfixed
+   if (URI[URI.size() - 1] != '/')
+      URI += '/';
+   

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

-// SourceList::Item << - Writes the item to a stream                   /*{{{*/
-// ---------------------------------------------------------------------
-/* This is not suitable for rebuilding the sourcelist file but it good for
-   debugging. */
-ostream &operator <<(ostream &O,pkgSourceList::Item &Itm)
-{
-   O << (int)Itm.Type << ' ' << Itm.URI << ' ' << Itm.Dist << ' ' << Itm.Section;
-   return O;
-}
-                                                                       /*}}}*/
-// SourceList::Item::SetType - Sets the distribution type              /*{{{*/
+// Type::ParseLine - Parse a single line                               /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* */
-bool pkgSourceList::Item::SetType(string S)
+/* This is a generic one that is the 'usual' format for sources.list
+   Weird types may override this. */
+bool pkgSourceList::Type::ParseLine(vector<pkgIndexFile *> &List,
+                                   Vendor const *Vendor,
+                                   const char *Buffer,
+                                   unsigned long CurLine,
+                                   string File) const

 {
 {

-   if (S == "deb")
+   string URI;
+   string Dist;
+   string Section;   
+   
+   if (ParseQuoteWord(Buffer,URI) == false)
+      return _error->Error(_("Malformed line %lu in source list %s (URI)"),CurLine,File.c_str());
+   if (ParseQuoteWord(Buffer,Dist) == false)
+      return _error->Error(_("Malformed line %lu in source list %s (dist)"),CurLine,File.c_str());
+      
+   if (FixupURI(URI) == false)
+      return _error->Error(_("Malformed line %lu in source list %s (URI parse)"),CurLine,File.c_str());
+   
+   // Check for an absolute dists specification.
+   if (Dist.empty() == false && Dist[Dist.size() - 1] == '/')

    {
    {

-      Type = Deb;
-      return true;
+      if (ParseQuoteWord(Buffer,Section) == true)
+        return _error->Error(_("Malformed line %lu in source list %s (Absolute dist)"),CurLine,File.c_str());
+      Dist = SubstVar(Dist,"$(ARCH)",_config->Find("APT::Architecture"));
+      return CreateItem(List,URI,Dist,Section,Vendor);

    }
    }

-
-   if (S == "deb-src")
+   
+   // Grab the rest of the dists
+   if (ParseQuoteWord(Buffer,Section) == false)
+      return _error->Error(_("Malformed line %lu in source list %s (dist parse)"),CurLine,File.c_str());
+   
+   do

    {
    {

-      Type = DebSrc;
-      return true;
+      if (CreateItem(List,URI,Dist,Section,Vendor) == false)
+        return false;

    }
    }

-
-   return false;
+   while (ParseQuoteWord(Buffer,Section) == true);
+   
+   return true;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::SetURI - Set the URI                              /*{{{*/
+
+// SourceList::pkgSourceList - Constructors                            /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* For simplicity we strip the scheme off the uri */
-bool pkgSourceList::Item::SetURI(string S)
+/* */
+pkgSourceList::pkgSourceList()

 {
 {

-   if (S.empty() == true)
-      return false;
-
-   if (S.find(':') == string::npos)
-      return false;
+}

 
 

-   S = SubstVar(S,"$(ARCH)",_config->Find("APT::Architecture"));
-   
-   // Make sure that the URN is / postfixed
-   URI = S;
-   if (URI[URI.size() - 1] != '/')
-      URI += '/';
-   
-   return true;
+pkgSourceList::pkgSourceList(string File)
+{
+   Read(File);

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::PackagesURI - Returns a URI to the packages file  /*{{{*/
+// SourceList::~pkgSourceList - Destructor                             /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-string pkgSourceList::Item::PackagesURI() const
+pkgSourceList::~pkgSourceList()

 {
 {

-   string Res;
-   switch (Type)
-   {
-      case Deb:
-      if (Dist[Dist.size() - 1] == '/')
-        Res = URI + Dist;
-      else
-        Res = URI + "dists/" + Dist + '/' + Section +
-        "/binary-" + _config->Find("APT::Architecture") + '/';
-      
-      Res += "Packages";
-      break;
-      
-      case DebSrc:
-      if (Dist[Dist.size() - 1] == '/')
-        Res = URI + Dist;
-      else
-        Res = URI + "dists/" + Dist + '/' + Section +
-        "/source/";
-      
-      Res += "Sources";
-      break;
-   };
-   return Res;
+   for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
+      delete *I;
+   for (vector<Vendor const *>::const_iterator I = VendorList.begin(); 
+       I != VendorList.end(); I++)
+      delete *I;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::PackagesInfo - Shorter version of the URI         /*{{{*/
+// SourceList::ReadVendors - Read list of known package vendors                /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* This is a shorter version that is designed to be < 60 chars or so */
-string pkgSourceList::Item::PackagesInfo() const
+/* This also scans a directory of vendor files similar to apt.conf.d 
+   which can contain the usual suspects of distribution provided data.
+   The APT config mechanism allows the user to override these in their
+   configuration file. */
+bool pkgSourceList::ReadVendors()

 {
 {

-   string Res;
-   switch (Type)
+   Configuration Cnf;
+
+   string CnfFile = _config->FindDir("Dir::Etc::vendorparts");
+   if (FileExists(CnfFile) == true)
+      if (ReadConfigDir(Cnf,CnfFile,true) == false)
+        return false;
+   CnfFile = _config->FindFile("Dir::Etc::vendorlist");
+   if (FileExists(CnfFile) == true)
+      if (ReadConfigFile(Cnf,CnfFile,true) == false)
+        return false;
+
+   for (vector<Vendor const *>::const_iterator I = VendorList.begin(); 
+       I != VendorList.end(); I++)
+      delete *I;
+   VendorList.erase(VendorList.begin(),VendorList.end());
+   
+   // Process 'simple-key' type sections
+   const Configuration::Item *Top = Cnf.Tree("simple-key");
+   for (Top = (Top == 0?0:Top->Child); Top != 0; Top = Top->Next)

    {
    {

-      case Deb:
-      Res += SiteOnly(URI) + ' ';
-      if (Dist[Dist.size() - 1] == '/')
-        Res += Dist;
-      else
-        Res += Dist + '/' + Section;
+      Configuration Block(Top);
+      Vendor *Vendor;

       
       

-      Res += " Packages";
-      break;
-     
-      case DebSrc:
-      Res += SiteOnly(URI) + ' ';
-      if (Dist[Dist.size() - 1] == '/')
-        Res += Dist;
-      else
-        Res += Dist + '/' + Section;
+      Vendor = new pkgSourceList::Vendor;

       
       

-      Res += " Sources";
-      break;
-   };
-   return Res;
-}
-                                                                       /*}}}*/
-// SourceList::Item::ReleaseURI - Returns a URI to the release file    /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string pkgSourceList::Item::ReleaseURI() const
-{
-   string Res;
-   switch (Type)
+      Vendor->VendorID = Top->Tag;
+      Vendor->FingerPrint = Block.Find("Fingerprint");
+      Vendor->Description = Block.Find("Name");
+      
+      if (Vendor->FingerPrint.empty() == true || 
+         Vendor->Description.empty() == true)
+      {
+         _error->Error(_("Vendor block %s is invalid"), Vendor->VendorID.c_str());
+        delete Vendor;
+        continue;
+      }
+      
+      VendorList.push_back(Vendor);
+   }
+
+   /* XXX Process 'group-key' type sections
+      This is currently faked out so that the vendors file format is
+      parsed but nothing is done with it except check for validity */
+   Top = Cnf.Tree("group-key");
+   for (Top = (Top == 0?0:Top->Child); Top != 0; Top = Top->Next)

    {
    {

-      case Deb:
-      if (Dist[Dist.size() - 1] == '/')
-        Res = URI + Dist;
-      else
-        Res = URI + "dists/" + Dist + '/' + Section +
-        "/binary-" + _config->Find("APT::Architecture") + '/';
+      Configuration Block(Top);
+      Vendor *Vendor;

       
       

-      Res += "Release";
-      break;
+      Vendor = new pkgSourceList::Vendor;

       
       

-      case DebSrc:
-      if (Dist[Dist.size() - 1] == '/')
-        Res = URI + Dist;
-      else
-        Res = URI + "dists/" + Dist + '/' + Section +
-        "/source/";
+      Vendor->VendorID = Top->Tag;
+      Vendor->Description = Block.Find("Name");
+
+      if (Vendor->Description.empty() == true)
+      {
+         _error->Error(_("Vendor block %s is invalid"), 
+                      Vendor->VendorID.c_str());
+        delete Vendor;
+        continue;
+      }

       
       

-      Res += "Release";
-      break;
-   };
-   return Res;
+      VendorList.push_back(Vendor);
+   }
+   
+   return !_error->PendingError();

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::ReleaseInfo - Shorter version of the URI          /*{{{*/
+// SourceList::ReadMainList - Read the main source list from etc       /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* This is a shorter version that is designed to be < 60 chars or so */
-string pkgSourceList::Item::ReleaseInfo() const
+/* */
+bool pkgSourceList::ReadMainList()

 {
 {

-   string Res;
-   switch (Type)
-   {
-      case Deb:
-      case DebSrc:
-      Res += SiteOnly(URI) + ' ';
-      if (Dist[Dist.size() - 1] == '/')
-        Res += Dist;
-      else
-        Res += Dist + '/' + Section;
-      
-      Res += " Release";
-      break;
-   };
-   return Res;
+   return ReadVendors() && Read(_config->FindFile("Dir::Etc::sourcelist"));

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::ArchiveInfo - Shorter version of the archive spec /*{{{*/
+// SourceList::Read - Parse the sourcelist file                                /*{{{*/

 // ---------------------------------------------------------------------
 // ---------------------------------------------------------------------

-/* This is a shorter version that is designed to be < 60 chars or so */
-string pkgSourceList::Item::ArchiveInfo(pkgCache::VerIterator Ver) const
+/* */
+bool pkgSourceList::Read(string File)

 {
 {

-   string Res;
-   switch (Type)
+   // Open the stream for reading
+   ifstream F(File.c_str(),ios::in /*| ios::nocreate*/);
+   if (!F != 0)
+      return _error->Errno("ifstream::ifstream",_("Opening %s"),File.c_str());
+   
+   for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
+      delete *I;
+   SrcList.erase(SrcList.begin(),SrcList.end());
+   char Buffer[300];
+
+   int CurLine = 0;
+   while (F.eof() == false)

    {
    {

-      case DebSrc:
-      case Deb:
-      Res += SiteOnly(URI) + ' ';
-      if (Dist[Dist.size() - 1] == '/')
-        Res += Dist;
-      else
-        Res += Dist + '/' + Section;
+      F.getline(Buffer,sizeof(Buffer));
+      CurLine++;
+      _strtabexpand(Buffer,sizeof(Buffer));

       
       

-      Res += " ";
-      Res += Ver.ParentPkg().Name();
-      Res += " ";
-      Res += Ver.VerStr();

       
       

-      break;
-   };
-   return Res;
-}
-                                                                       /*}}}*/
-// SourceList::Item::ArchiveURI - Returns a URI to the given archive   /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string pkgSourceList::Item::ArchiveURI(string File) const
-{
-   string Res;
-   switch (Type)
-   {
-      case Deb:
-      case DebSrc:
-      Res = URI + File;
-      break;
-   };
-   return Res;
+      char *I;
+      for (I = Buffer; *I != 0 && *I != '#'; I++);
+      *I = 0;
+      
+      const char *C = _strstrip(Buffer);
+      
+      // Comment or blank
+      if (C[0] == '#' || C[0] == 0)
+        continue;
+           
+      // Grok it
+      string LineType;
+      if (ParseQuoteWord(C,LineType) == false)
+        return _error->Error(_("Malformed line %u in source list %s (type)"),CurLine,File.c_str());
+
+      Type *Parse = Type::GetType(LineType.c_str());
+      if (Parse == 0)
+        return _error->Error(_("Type '%s' is not known in on line %u in source list %s"),LineType.c_str(),CurLine,File.c_str());
+      
+      // Authenticated repository
+      Vendor const *Vndr = 0;
+      if (C[0] == '[')
+      {
+        string VendorID;
+        
+        if (ParseQuoteWord(C,VendorID) == false)
+            return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
+
+        if (VendorID.length() < 2 || VendorID.end()[-1] != ']')
+            return _error->Error(_("Malformed line %u in source list %s (vendor id)"),CurLine,File.c_str());
+        VendorID = string(VendorID,1,VendorID.size()-2);
+        
+        for (vector<Vendor const *>::const_iterator iter = VendorList.begin();
+             iter != VendorList.end(); iter++) 
+        {
+           if ((*iter)->VendorID == VendorID)
+           {
+              Vndr = *iter;
+              break;
+           }
+        }
+
+        if (Vndr == 0)
+           return _error->Error(_("Unknown vendor ID '%s' in line %u of source list %s"),
+                                VendorID.c_str(),CurLine,File.c_str());
+      }
+      
+      if (Parse->ParseLine(SrcList,Vndr,C,CurLine,File) == false)
+        return false;
+   }
+   return true;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::SourceInfo        - Returns an info line for a source     /*{{{*/
+// SourceList::FindIndex - Get the index associated with a file                /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-string pkgSourceList::Item::SourceInfo(string Pkg,string Ver,string Comp) const
+bool pkgSourceList::FindIndex(pkgCache::PkgFileIterator File,
+                             pkgIndexFile *&Found) const

 {
 {

-   string Res;
-   switch (Type)
+   for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)

    {
    {

-      case DebSrc:
-      case Deb:
-      Res += SiteOnly(URI) + ' ';
-      if (Dist[Dist.size() - 1] == '/')
-        Res += Dist;
-      else
-        Res += Dist + '/' + Section;
-      
-      Res += " ";
-      Res += Pkg;
-      Res += " ";
-      Res += Ver;
-      if (Comp.empty() == false)
-        Res += " (" + Comp + ")";
-      break;
-   };
-   return Res;
+      if ((*I)->FindInCache(*File.Cache()) == File)
+      {
+        Found = *I;
+        return true;
+      }
+   }
+   
+   return false;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/

-// SourceList::Item::SiteOnly - Strip off the path part of a URI       /*{{{*/
+// SourceList::GetIndexes - Load the index files into the downloader   /*{{{*/

 // ---------------------------------------------------------------------
 /* */
 // ---------------------------------------------------------------------
 /* */

-string pkgSourceList::Item::SiteOnly(string URI) const
+bool pkgSourceList::GetIndexes(pkgAcquire *Owner) const

 {
 {

-   unsigned int Pos = URI.find(':');
-   if (Pos == string::npos || Pos + 3 > URI.length())
-      return URI;
-   if (URI[Pos + 1] != '/' || URI[Pos + 2] != '/')
-      return URI;
-
-   Pos = URI.find('/',Pos + 3);
-   if (Pos == string::npos)
-      return URI;
-   return string(URI,0,Pos);
+   for (const_iterator I = SrcList.begin(); I != SrcList.end(); I++)
+      if ((*I)->GetIndexes(Owner) == false)
+        return false;
+   return true;

 }
                                                                        /*}}}*/
 }
                                                                        /*}}}*/