X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f6442c7777b437ea7381dd781ffc50c76264bb48..607bab3fe856d228f22e1cd96dbb7204e2f3375d:/apt-pkg/deb/debsrcrecords.cc

diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
index 9e87ee5da..cefaf46ac 100644
--- a/apt-pkg/deb/debsrcrecords.cc
+++ b/apt-pkg/deb/debsrcrecords.cc
@@ -9,19 +9,39 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/debsrcrecords.h"
-#endif 
+#include <config.h>
 
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/debsrcrecords.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/srcrecords.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/gpgv.h>
 
-using std::max;
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 									/*}}}*/
 
+using std::max;
+using std::string;
+
+debSrcRecordParser::debSrcRecordParser(std::string const &File,pkgIndexFile const *Index)
+   : Parser(Index), d(NULL), Tags(&Fd), iOffset(0), Buffer(NULL)
+{
+   if (File.empty() == false)
+   {
+      if (Fd.Open(File, FileFd::ReadOnly, FileFd::Extension))
+	 Tags.Init(&Fd, 102400);
+   }
+}
+
 // SrcRecordParser::Binaries - Return the binaries field		/*{{{*/
 // ---------------------------------------------------------------------
 /* This member parses the binaries field into a pair of class arrays and
@@ -31,25 +51,33 @@ using std::max;
    used during scanning to find the right package */
 const char **debSrcRecordParser::Binaries()
 {
-   // This should use Start/Stop too, it is supposed to be efficient after all.
-   string Bins = Sect.FindS("Binary");
-   if (Bins.empty() == true || Bins.length() >= 102400)
-      return 0;
-   
-   if (Bins.length() >= BufSize)
-   {
-      delete [] Buffer;
-      // allocate new size based on buffer (but never smaller than 4000)
-      BufSize = max((unsigned long)4000, max((unsigned long)Bins.length()+1,2*BufSize));
-      Buffer = new char[BufSize];
-   }
+   const char *Start, *End;
+   if (Sect.Find("Binary", Start, End) == false)
+      return NULL;
+   for (; isspace_ascii(*Start) != 0; ++Start);
+   if (Start >= End)
+      return NULL;
 
-   strcpy(Buffer,Bins.c_str());
-   if (TokSplitString(',',Buffer,StaticBinList,
-		      sizeof(StaticBinList)/sizeof(StaticBinList[0])) == false)
-      return 0;
+   StaticBinList.clear();
+   free(Buffer);
+   Buffer = strndup(Start, End - Start);
 
-   return (const char **)StaticBinList;
+   char* bin = Buffer;
+   do {
+      char* binStartNext = strchrnul(bin, ',');
+      char* binEnd = binStartNext - 1;
+      for (; isspace_ascii(*binEnd) != 0; --binEnd)
+	 binEnd = 0;
+      StaticBinList.push_back(bin);
+      if (*binStartNext != ',')
+	 break;
+      *binStartNext = '\0';
+      for (bin = binStartNext + 1; isspace_ascii(*bin) != 0; ++bin)
+         ;
+   } while (*bin != '\0');
+   StaticBinList.push_back(NULL);
+
+   return &StaticBinList[0];
 }
 									/*}}}*/
 // SrcRecordParser::BuildDepends - Return the Build-Depends information	/*{{{*/
@@ -58,7 +86,8 @@ const char **debSrcRecordParser::Binaries()
    package/version records representing the build dependency. The returned 
    array need not be freed and will be reused by the next call to this 
    function */
-bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps, bool ArchOnly)
+bool debSrcRecordParser::BuildDepends(std::vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps,
+					bool const &ArchOnly, bool const &StripMultiArch)
 {
    unsigned int I;
    const char *Start, *Stop;
@@ -81,7 +110,7 @@ bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec>
       while (1)
       {
          Start = debListParser::ParseDepends(Start, Stop, 
-		     rec.Package,rec.Version,rec.Op,true);
+		     rec.Package,rec.Version,rec.Op,true,StripMultiArch,true);
 	 
          if (Start == 0) 
             return _error->Error("Problem parsing dependency: %s", fields[I]);
@@ -102,57 +131,153 @@ bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec>
 // ---------------------------------------------------------------------
 /* This parses the list of files and returns it, each file is required to have
    a complete source package */
-bool debSrcRecordParser::Files(vector<pkgSrcRecords::File> &List)
+bool debSrcRecordParser::Files(std::vector<pkgSrcRecords::File> &F)
 {
-   List.erase(List.begin(),List.end());
-   
-   string Files = Sect.FindS("Files");
-   if (Files.empty() == true)
+   std::vector<pkgSrcRecords::File2> F2;
+   if (Files2(F2) == false)
       return false;
+   for (std::vector<pkgSrcRecords::File2>::const_iterator f2 = F2.begin(); f2 != F2.end(); ++f2)
+   {
+      pkgSrcRecords::File2 f;
+#if __GNUC__ >= 4
+	#pragma GCC diagnostic push
+	#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+      f.MD5Hash = f2->MD5Hash;
+      f.Size = f2->Size;
+#if __GNUC__ >= 4
+	#pragma GCC diagnostic pop
+#endif
+      f.Path = f2->Path;
+      f.Type = f2->Type;
+      F.push_back(f);
+   }
+   return true;
+}
+bool debSrcRecordParser::Files2(std::vector<pkgSrcRecords::File2> &List)
+{
+   List.clear();
 
    // Stash the / terminated directory prefix
    string Base = Sect.FindS("Directory");
    if (Base.empty() == false && Base[Base.length()-1] != '/')
       Base += '/';
-   
-   // Iterate over the entire list grabbing each triplet
-   const char *C = Files.c_str();
-   while (*C != 0)
-   {   
-      pkgSrcRecords::File F;
-      string Size;
-      
-      // Parse each of the elements
-      if (ParseQuoteWord(C,F.MD5Hash) == false ||
-	  ParseQuoteWord(C,Size) == false ||
-	  ParseQuoteWord(C,F.Path) == false)
-	 return _error->Error("Error parsing file record");
-      
-      // Parse the size and append the directory
-      F.Size = atoi(Size.c_str());
-      F.Path = Base + F.Path;
-      
-      // Try to guess what sort of file it is we are getting.
-      string::size_type Pos = F.Path.length()-1;
-      while (1)
+
+   std::vector<std::string> const compExts = APT::Configuration::getCompressorExtensions();
+
+   for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+   {
+      // derive field from checksum type
+      std::string checksumField("Checksums-");
+      if (strcmp(*type, "MD5Sum") == 0)
+	 checksumField = "Files"; // historic name for MD5 checksums
+      else
+	 checksumField.append(*type);
+
+      string const Files = Sect.FindS(checksumField.c_str());
+      if (Files.empty() == true)
+	 continue;
+
+      // Iterate over the entire list grabbing each triplet
+      const char *C = Files.c_str();
+      while (*C != 0)
       {
-	 string::size_type Tmp = F.Path.rfind('.',Pos);
-	 if (Tmp == string::npos)
-	    break;
-	 F.Type = string(F.Path,Tmp+1,Pos-Tmp);
-	 
-	 if (F.Type == "gz" || F.Type == "bz2")
+	 string hash, size, path;
+
+	 // Parse each of the elements
+	 if (ParseQuoteWord(C, hash) == false ||
+	       ParseQuoteWord(C, size) == false ||
+	       ParseQuoteWord(C, path) == false)
+	    return _error->Error("Error parsing file record in %s of source package %s", checksumField.c_str(), Package().c_str());
+
+	 HashString const hashString(*type, hash);
+	 if (Base.empty() == false)
+	    path = Base + path;
+
+	 // look if we have a record for this file already
+	 std::vector<pkgSrcRecords::File2>::iterator file = List.begin();
+	 for (; file != List.end(); ++file)
+	    if (file->Path == path)
+	       break;
+
+	 // we have it already, store the new hash and be done
+	 if (file != List.end())
 	 {
-	    Pos = Tmp-1;
+	    if (checksumField == "Files")
+	       APT_IGNORE_DEPRECATED(file->MD5Hash = hash;)
+	    // an error here indicates that we have two different hashes for the same file
+	    if (file->Hashes.push_back(hashString) == false)
+	       return _error->Error("Error parsing checksum in %s of source package %s", checksumField.c_str(), Package().c_str());
 	    continue;
 	 }
-	 
-	 break;
+
+	 // we haven't seen this file yet
+	 pkgSrcRecords::File2 F;
+	 F.Path = path;
+	 F.FileSize = strtoull(size.c_str(), NULL, 10);
+	 F.Hashes.push_back(hashString);
+
+	 APT_IGNORE_DEPRECATED_PUSH
+	 F.Size = F.FileSize;
+	 if (checksumField == "Files")
+	    F.MD5Hash = hash;
+	 APT_IGNORE_DEPRECATED_POP
+
+	 // Try to guess what sort of file it is we are getting.
+	 string::size_type Pos = F.Path.length()-1;
+	 while (1)
+	 {
+	    string::size_type Tmp = F.Path.rfind('.',Pos);
+	    if (Tmp == string::npos)
+	       break;
+	    if (F.Type == "tar") {
+	       // source v3 has extension 'debian.tar.*' instead of 'diff.*'
+	       if (string(F.Path, Tmp+1, Pos-Tmp) == "debian")
+		  F.Type = "diff";
+	       break;
+	    }
+	    F.Type = string(F.Path,Tmp+1,Pos-Tmp);
+
+	    if (std::find(compExts.begin(), compExts.end(), std::string(".").append(F.Type)) != compExts.end() ||
+		  F.Type == "tar")
+	    {
+	       Pos = Tmp-1;
+	       continue;
+	    }
+
+	    break;
+	 }
+	 List.push_back(F);
       }
-      
-      List.push_back(F);
    }
-   
+
    return true;
 }
 									/*}}}*/
+// SrcRecordParser::~SrcRecordParser - Destructor			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+debSrcRecordParser::~debSrcRecordParser()
+{
+   // was allocated via strndup()
+   free(Buffer);
+}
+									/*}}}*/
+
+
+debDscRecordParser::debDscRecordParser(std::string const &DscFile, pkgIndexFile const *Index)
+   : debSrcRecordParser("", Index)
+{
+   // support clear signed files
+   if (OpenMaybeClearSignedFile(DscFile, Fd) == false)
+   {
+      _error->Error("Failed to open %s", DscFile.c_str());
+      return;
+   }
+
+   // re-init to ensure the updated Fd is used
+   Tags.Init(&Fd, pkgTagFile::SUPPORT_COMMENTS);
+   // read the first (and only) record
+   Step();
+
+}