X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/ea54214002c09eeb4dd498d97a564471ec9993c5..177296dffd8bf7d9ce5870b135c412958aab3756:/apt-pkg/indexrecords.cc

diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index 00f520c4f..8a72ca151 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -10,11 +10,18 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/configuration.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;
@@ -38,7 +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
@@ -48,8 +58,11 @@ bool indexRecords::Exists(string const &MetaKey) const
 
 bool indexRecords::Load(const string Filename)				/*{{{*/
 {
-   FileFd Fd(Filename, FileFd::ReadOnly);
-   pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX
+   FileFd Fd;
+   if (OpenMaybeClearSignedFile(Filename, Fd) == false)
+      return false;
+
+   pkgTagFile TagFile(&Fd, Fd.Size());
    if (_error->PendingError() == true)
    {
       strprintf(ErrorText, _("Unable to parse Release file %s"),Filename.c_str());
@@ -58,16 +71,11 @@ bool indexRecords::Load(const string Filename)				/*{{{*/
 
    pkgTagSection Section;
    const char *Start, *End;
-   // Skip over sections beginning with ----- as this is an idicator for clearsigns
-   do {
-      if (TagFile.Step(Section) == false)
-      {
-	 strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str());
-	 return false;
-      }
-
-      Section.Get (Start, End, 0);
-   } while (End - Start > 5 && strncmp(Start, "-----", 5) == 0);
+   if (TagFile.Step(Section) == false)
+   {
+      strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str());
+      return false;
+   }
 
    Suite = Section.FindS("Suite");
    Dist = Section.FindS("Codename");
@@ -80,7 +88,7 @@ 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))
@@ -115,10 +123,14 @@ bool indexRecords::Load(const string Filename)				/*{{{*/
    }
    // get the user settings for this archive and use what expires earlier
    int MaxAge = _config->FindI("Acquire::Max-ValidTime", 0);
-   if (Label.empty() == true)
+   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;
@@ -127,15 +139,22 @@ bool indexRecords::Load(const string Filename)				/*{{{*/
       strprintf(ErrorText, _("Invalid 'Date' entry in Release file %s"), Filename.c_str());
       return false;
    }
-   date += 24*60*60*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();
@@ -147,13 +166,13 @@ 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)
@@ -184,7 +203,7 @@ 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;
@@ -195,7 +214,8 @@ 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++;