try to avoid direct usage of .Fd() if possible and do read()s and co

[apt.git] / ftparchive / writer.cc

diff --git a/ftparchive/writer.cc b/ftparchive/writer.cc
index 7837ce6ce60e4f02350279d6a13febef0aedf892..159772991eca6f6320f74ba17dbc7b50c8f0310f 100644 (file)
--- a/ftparchive/writer.cc
+++ b/ftparchive/writer.cc
@@ -11,16 +11,14 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
-#include "writer.h"
-    
-#include <apti18n.h>
+#include <config.h>
+
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/md5.h>
-#include <apt-pkg/sha1.h>
-#include <apt-pkg/sha256.h>
+#include <apt-pkg/hashes.h>
 #include <apt-pkg/deblistparser.h>
 
 #include <sys/types.h>
@@ -31,10 +29,13 @@
 #include <iostream>
 #include <sstream>
 #include <memory>
-    
+
+#include "writer.h"
 #include "cachedb.h"
 #include "apt-ftparchive.h"
 #include "multicompress.h"
+
+#include <apti18n.h>
                                                                        /*}}}*/
 using namespace std;
 FTWScanner *FTWScanner::Owner;
@@ -64,6 +65,7 @@ FTWScanner::FTWScanner(string const &Arch): Arch(Arch)
    DoMD5 = _config->FindB("APT::FTPArchive::MD5",true);
    DoSHA1 = _config->FindB("APT::FTPArchive::SHA1",true);
    DoSHA256 = _config->FindB("APT::FTPArchive::SHA256",true);
+   DoSHA512 = _config->FindB("APT::FTPArchive::SHA512",true);
 }
                                                                        /*}}}*/
 // FTWScanner::Scanner - FTW Scanner                                   /*{{{*/
@@ -246,8 +248,8 @@ bool FTWScanner::LoadFileList(string const &Dir, string const &File)
 // ---------------------------------------------------------------------
 /* */
 bool FTWScanner::Delink(string &FileName,const char *OriginalPath,
-                       unsigned long &DeLinkBytes,
-                       off_t const &FileSize)
+                       unsigned long long &DeLinkBytes,
+                       unsigned long long const &FileSize)
 {
    // See if this isn't an internaly prefix'd file name.
    if (InternalPrefix.empty() == false &&
@@ -316,6 +318,7 @@ PackagesWriter::PackagesWriter(string const &DB,string const &Overrides,string c
    DoMD5 = _config->FindB("APT::FTPArchive::Packages::MD5",DoMD5);
    DoSHA1 = _config->FindB("APT::FTPArchive::Packages::SHA1",DoSHA1);
    DoSHA256 = _config->FindB("APT::FTPArchive::Packages::SHA256",DoSHA256);
+   DoSHA256 = _config->FindB("APT::FTPArchive::Packages::SHA512",true);
    DoAlwaysStat = _config->FindB("APT::FTPArchive::AlwaysStat", false);
    DoContents = _config->FindB("APT::FTPArchive::Contents",true);
    NoOverride = _config->FindB("APT::FTPArchive::NoOverrideMsg",false);
@@ -370,13 +373,13 @@ bool FTWScanner::SetExts(string const &Vals)
 bool PackagesWriter::DoPackage(string FileName)
 {      
    // Pull all the data we need form the DB
-   if (Db.GetFileInfo(FileName, true, DoContents, true, DoMD5, DoSHA1, DoSHA256, DoAlwaysStat)
+   if (Db.GetFileInfo(FileName, true, DoContents, true, DoMD5, DoSHA1, DoSHA256, DoSHA512, DoAlwaysStat)
                  == false)
    {
       return false;
    }
 
-   off_t FileSize = Db.GetFileSize();
+   unsigned long long FileSize = Db.GetFileSize();
    if (Delink(FileName,OriginalPath,Stats.DeLinkBytes,FileSize) == false)
       return false;
    
@@ -412,7 +415,7 @@ bool PackagesWriter::DoPackage(string FileName)
    }
 
    char Size[40];
-   sprintf(Size,"%lu", (unsigned long) FileSize);
+   sprintf(Size,"%llu", (unsigned long long) FileSize);
    
    // Strip the DirStrip prefix from the FileName and add the PathPrefix
    string NewFileName;
@@ -446,6 +449,8 @@ bool PackagesWriter::DoPackage(string FileName)
       SetTFRewriteData(Changes[End++], "SHA1", Db.SHA1Res.c_str());
    if (DoSHA256 == true)
       SetTFRewriteData(Changes[End++], "SHA256", Db.SHA256Res.c_str());
+   if (DoSHA512 == true)
+      SetTFRewriteData(Changes[End++], "SHA512", Db.SHA512Res.c_str());
    SetTFRewriteData(Changes[End++], "Filename", NewFileName.c_str());
    SetTFRewriteData(Changes[End++], "Priority", OverItem->Priority.c_str());
    SetTFRewriteData(Changes[End++], "Status", 0);
@@ -607,7 +612,7 @@ bool SourcesWriter::DoPackage(string FileName)
    if (St.st_size > 128*1024)
       return _error->Error("DSC file '%s' is too large!",FileName.c_str());
          
-   if (BufSize < (unsigned)St.st_size+1)
+   if (BufSize < (unsigned long long)St.st_size+1)
    {
       BufSize = St.st_size+1;
       Buffer = (char *)realloc(Buffer,St.st_size+1);
@@ -623,6 +628,7 @@ bool SourcesWriter::DoPackage(string FileName)
    MD5Summation MD5;
    SHA1Summation SHA1;
    SHA256Summation SHA256;
+   SHA256Summation SHA512;
 
    if (DoMD5 == true)
       MD5.Add((unsigned char *)Start,BlkEnd - Start);
@@ -630,6 +636,8 @@ bool SourcesWriter::DoPackage(string FileName)
       SHA1.Add((unsigned char *)Start,BlkEnd - Start);
    if (DoSHA256 == true)
       SHA256.Add((unsigned char *)Start,BlkEnd - Start);
+   if (DoSHA512 == true)
+      SHA512.Add((unsigned char *)Start,BlkEnd - Start);
 
    // Add an extra \n to the end, just in case
    *BlkEnd++ = '\n';
@@ -740,6 +748,12 @@ bool SourcesWriter::DoPackage(string FileName)
                   << strippedName << "\n " << Tags.FindS("Checksums-Sha256");
    string const ChecksumsSha256 = ostreamSha256.str();
 
+   std::ostringstream ostreamSha512;
+   if (Tags.Exists("Checksums-Sha512"))
+      ostreamSha512 << "\n " << string(SHA512.Result()) << " " << St.st_size << " "
+                  << strippedName << "\n " << Tags.FindS("Checksums-Sha512");
+   string const ChecksumsSha512 = ostreamSha512.str();
+
    // Strip the DirStrip prefix from the FileName and add the PathPrefix
    string NewFileName;
    if (DirStrip.empty() == false &&
@@ -795,6 +809,8 @@ bool SourcesWriter::DoPackage(string FileName)
       SetTFRewriteData(Changes[End++],"Checksums-Sha1",ChecksumsSha1.c_str());
    if (ChecksumsSha256.empty() == false)
       SetTFRewriteData(Changes[End++],"Checksums-Sha256",ChecksumsSha256.c_str());
+   if (ChecksumsSha512.empty() == false)
+      SetTFRewriteData(Changes[End++],"Checksums-Sha512",ChecksumsSha512.c_str());
    if (Directory != "./")
       SetTFRewriteData(Changes[End++],"Directory",Directory.c_str());
    SetTFRewriteData(Changes[End++],"Priority",BestPrio.c_str());
@@ -873,22 +889,16 @@ bool ContentsWriter::ReadFromPkgs(string const &PkgFile,string const &PkgCompres
    MultiCompress Pkgs(PkgFile,PkgCompress,0,false);
    if (_error->PendingError() == true)
       return false;
-   
+
    // Open the package file
-   int CompFd = -1;
-   pid_t Proc = -1;
-   if (Pkgs.OpenOld(CompFd,Proc) == false)
+   FileFd Fd;
+   if (Pkgs.OpenOld(Fd) == false)
       return false;
-   
-   // No auto-close FD
-   FileFd Fd(CompFd,false);   
+
    pkgTagFile Tags(&Fd);
    if (_error->PendingError() == true)
-   {
-      Pkgs.CloseOld(CompFd,Proc);
       return false;
-   }
-   
+
    // Parse.
    pkgTagSection Section;
    while (Tags.Step(Section) == true)
@@ -910,11 +920,10 @@ bool ContentsWriter::ReadFromPkgs(string const &PkgFile,string const &PkgCompres
         _error->DumpErrors();
       }
    }
-   
+
    // Tidy the compressor
-   if (Pkgs.CloseOld(CompFd,Proc) == false)
-      return false;
-   
+   Fd.Close();
+
    return true;
 }
 
@@ -1025,29 +1034,18 @@ bool ReleaseWriter::DoPackage(string FileName)
 
    CheckSums[NewFileName].size = fd.Size();
 
+   Hashes hs;
+   hs.AddFD(fd, 0, DoMD5, DoSHA1, DoSHA256, DoSHA512);
    if (DoMD5 == true)
-   {
-      MD5Summation MD5;
-      MD5.AddFD(fd.Fd(), fd.Size());
-      CheckSums[NewFileName].MD5 = MD5.Result();
-      fd.Seek(0);
-   }
+      CheckSums[NewFileName].MD5 = hs.MD5.Result();
    if (DoSHA1 == true)
-   {
-      SHA1Summation SHA1;
-      SHA1.AddFD(fd.Fd(), fd.Size());
-      CheckSums[NewFileName].SHA1 = SHA1.Result();
-      fd.Seek(0);
-   }
+      CheckSums[NewFileName].SHA1 = hs.SHA1.Result();
    if (DoSHA256 == true)
-   {
-      SHA256Summation SHA256;
-      SHA256.AddFD(fd.Fd(), fd.Size());
-      CheckSums[NewFileName].SHA256 = SHA256.Result();
-   }
-
+      CheckSums[NewFileName].SHA256 = hs.SHA256.Result();
+   if (DoSHA512 == true)
+      CheckSums[NewFileName].SHA512 = hs.SHA512.Result();
    fd.Close();
-   
+
    return true;
 }
 
@@ -1062,7 +1060,7 @@ void ReleaseWriter::Finish()
       for(map<string,struct CheckSum>::const_iterator I = CheckSums.begin();
          I != CheckSums.end(); ++I)
       {
-        fprintf(Output, " %s %16ld %s\n",
+        fprintf(Output, " %s %16llu %s\n",
                 (*I).second.MD5.c_str(),
                 (*I).second.size,
                 (*I).first.c_str());
@@ -1074,7 +1072,7 @@ void ReleaseWriter::Finish()
       for(map<string,struct CheckSum>::const_iterator I = CheckSums.begin();
          I != CheckSums.end(); ++I)
       {
-        fprintf(Output, " %s %16ld %s\n",
+        fprintf(Output, " %s %16llu %s\n",
                 (*I).second.SHA1.c_str(),
                 (*I).second.size,
                 (*I).first.c_str());
@@ -1086,10 +1084,22 @@ void ReleaseWriter::Finish()
       for(map<string,struct CheckSum>::const_iterator I = CheckSums.begin();
          I != CheckSums.end(); ++I)
       {
-        fprintf(Output, " %s %16ld %s\n",
+        fprintf(Output, " %s %16llu %s\n",
                 (*I).second.SHA256.c_str(),
                 (*I).second.size,
                 (*I).first.c_str());
       }
    }
+
+   fprintf(Output, "SHA512:\n");
+   for(map<string,struct CheckSum>::const_iterator I = CheckSums.begin();
+       I != CheckSums.end();
+       ++I)
+   {
+      fprintf(Output, " %s %16llu %s\n",
+              (*I).second.SHA512.c_str(),
+              (*I).second.size,
+              (*I).first.c_str());
+   }
+
 }