use 'best' hash for source authentication

[ntk/apt.git] / cmdline / apt-get.cc

diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index cfa7933..a285377 100644 (file)
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -797,13 +797,13 @@ static bool DoSource(CommandLine &CmdL)
       }
 
       // Back track
-      vector<pkgSrcRecords::File> Lst;
-      if (Last->Files(Lst) == false) {
+      vector<pkgSrcRecords::File2> Lst;
+      if (Last->Files2(Lst) == false) {
         return false;
       }
 
       // Load them into the fetcher
-      for (vector<pkgSrcRecords::File>::const_iterator I = Lst.begin();
+      for (vector<pkgSrcRecords::File2>::const_iterator I = Lst.begin();
           I != Lst.end(); ++I)
       {
         // Try to guess what sort of file it is we are getting.
@@ -832,22 +832,26 @@ static bool DoSource(CommandLine &CmdL)
         queued.insert(Last->Index().ArchiveURI(I->Path));
 
         // check if we have a file with that md5 sum already localy
-        if(!I->MD5Hash.empty() && FileExists(flNotDir(I->Path)))  
-        {
-           FileFd Fd(flNotDir(I->Path), FileFd::ReadOnly);
-           MD5Summation sum;
-           sum.AddFD(Fd.Fd(), Fd.Size());
-           Fd.Close();
-           if((string)sum.Result() == I->MD5Hash) 
+        std::string localFile = flNotDir(I->Path);
+        if (FileExists(localFile) == true)
+           if(I->Hashes.VerifyFile(localFile) == true)
            {
               ioprintf(c1out,_("Skipping already downloaded file '%s'\n"),
-                       flNotDir(I->Path).c_str());
+                       localFile.c_str());
               continue;
            }
+
+        // see if we have a hash (Acquire::ForceHash is the only way to have none)
+        HashString const * const hs = I->Hashes.find(NULL);
+        if (hs == NULL && _config->FindB("APT::Get::AllowUnauthenticated",false) == false)
+        {
+           ioprintf(c1out, "Skipping download of file '%s' as requested hashsum is not available for authentication\n",
+                    localFile.c_str());
+           continue;
         }
 
         new pkgAcqFile(&Fetcher,Last->Index().ArchiveURI(I->Path),
-                       I->MD5Hash,I->Size,
+                       hs != NULL ? hs->toStr() : "", I->FileSize,
                        Last->Index().SourceInfo(*Last,*I),Src);
       }
    }