do not modify DepIterator as we might check again

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

diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index 7852b99f07070bca0f7168cce7c0132e1d82f8a5..e37a78cfb1fcbec16b38cc6ec4d2856fa3e047aa 100644 (file)
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -3,16 +3,25 @@
 // $Id: indexrecords.cc,v 1.1.2.4 2003/12/30 02:11:43 mdz Exp $
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include<config.h>
+
 #include <apt-pkg/indexrecords.h>
 #include <apt-pkg/tagfile.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.h>
-#include <apti18n.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/gpgv.h>
+
 #include <sys/stat.h>
 #include <clocale>
 
+#include <apti18n.h>
                                                                        /*}}}*/
+
+using std::string;
+
 string indexRecords::GetDist() const
 {
    return this->Dist;
@@ -36,7 +45,10 @@ time_t indexRecords::GetValidUntil() const
 
 const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
 {
-   return Entries[MetaKey];
+   std::map<std::string, indexRecords::checkSum* >::const_iterator sum = Entries.find(MetaKey);
+   if (sum == Entries.end())
+      return NULL;
+   return sum->second;
 }
 
 bool indexRecords::Exists(string const &MetaKey) const
@@ -46,7 +58,10 @@ bool indexRecords::Exists(string const &MetaKey) const
 
 bool indexRecords::Load(const string Filename)                         /*{{{*/
 {
-   FileFd Fd(Filename, FileFd::ReadOnly);
+   FileFd Fd;
+   if (OpenMaybeClearSignedFile(Filename, Fd) == false)
+      return false;
+
    pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX
    if (_error->PendingError() == true)
    {
@@ -78,7 +93,7 @@ bool indexRecords::Load(const string Filename)                                /*{{{*/
 
       string Name;
       string Hash;
-      size_t Size;
+      unsigned long long Size;
       while (Start < End)
       {
         if (!parseSumData(Start, End, Name, Hash, Size))
@@ -115,8 +130,12 @@ bool indexRecords::Load(const string Filename)                             /*{{{*/
    int MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
    if (Label.empty() == false)
       MaxAge = _config->FindI(string("Acquire::Max-ValidTime::" + Label).c_str(), MaxAge);
+   int MinAge = _config->FindI("Acquire::Min-ValidTime", 0);
+   if (Label.empty() == false)
+      MinAge = _config->FindI(string("Acquire::Min-ValidTime::" + Label).c_str(), MinAge);
 
-   if(MaxAge == 0) // No user settings, use the one from the Release file
+   if(MaxAge == 0 &&
+      (MinAge == 0 || ValidUntil == 0)) // No user settings, use the one from the Release file
       return true;
 
    time_t date;
@@ -125,15 +144,22 @@ bool indexRecords::Load(const string Filename)                            /*{{{*/
       strprintf(ErrorText, _("Invalid 'Date' entry in Release file %s"), Filename.c_str());
       return false;
    }
-   date += MaxAge;
 
-   if (ValidUntil == 0 || ValidUntil > date)
-      ValidUntil = date;
+   if (MinAge != 0 && ValidUntil != 0) {
+      time_t const min_date = date + MinAge;
+      if (ValidUntil < min_date)
+        ValidUntil = min_date;
+   }
+   if (MaxAge != 0) {
+      time_t const max_date = date + MaxAge;
+      if (ValidUntil == 0 || ValidUntil > max_date)
+        ValidUntil = max_date;
+   }
 
    return true;
 }
                                                                        /*}}}*/
-vector<string> indexRecords::MetaKeys()                                        /*{{{*/
+std::vector<string> indexRecords::MetaKeys()                           /*{{{*/
 {
    std::vector<std::string> keys;
    std::map<string,checkSum *>::iterator I = Entries.begin();
@@ -145,13 +171,13 @@ vector<string> indexRecords::MetaKeys()                                   /*{{{*/
 }
                                                                        /*}}}*/
 bool indexRecords::parseSumData(const char *&Start, const char *End,   /*{{{*/
-                                  string &Name, string &Hash, size_t &Size)
+                                  string &Name, string &Hash, unsigned long long &Size)
 {
    Name = "";
    Hash = "";
    Size = 0;
    /* Skip over the first blank */
-   while ((*Start == '\t' || *Start == ' ' || *Start == '\n')
+   while ((*Start == '\t' || *Start == ' ' || *Start == '\n' || *Start == '\r')
          && Start < End)
       Start++;
    if (Start >= End)
@@ -182,7 +208,7 @@ bool indexRecords::parseSumData(const char *&Start, const char *End,        /*{{{*/
    if (EntryEnd == End)
       return false;
    
-   Size = strtol (Start, NULL, 10);
+   Size = strtoull (Start, NULL, 10);
       
    /* Skip over intermediate blanks */
    Start = EntryEnd;
@@ -193,7 +219,8 @@ bool indexRecords::parseSumData(const char *&Start, const char *End,        /*{{{*/
    
    EntryEnd = Start;
    /* Find the end of the third entry (the filename) */
-   while ((*EntryEnd != '\t' && *EntryEnd != ' ' && *EntryEnd != '\n')
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ' && 
+           *EntryEnd != '\n' && *EntryEnd != '\r')
          && EntryEnd < End)
       EntryEnd++;