Use setresuid() and setresgid() where available

[apt.git] / apt-pkg / acquire-method.h

diff --git a/apt-pkg/acquire-method.h b/apt-pkg/acquire-method.h
index 03851e8239657451abab188a9f883282395e2bab..cab2bda4044dbc2de176226881b8b9d9c8753bc6 100644 (file)
--- a/apt-pkg/acquire-method.h
+++ b/apt-pkg/acquire-method.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: acquire-method.h,v 1.15.2.1 2003/12/24 23:09:17 mdz Exp $
 /* ######################################################################
 
    Acquire Method - Method helper class + functions
@@ -20,11 +19,20 @@
 #ifndef PKGLIB_ACQUIRE_METHOD_H
 #define PKGLIB_ACQUIRE_METHOD_H
 
+#include <apt-pkg/hashes.h>
+#include <apt-pkg/macros.h>
+
+#include <stdarg.h>
+#include <time.h>
+
+#include <string>
+#include <vector>
+
+#ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/strutl.h>
+#endif
 
-
-class Hashes;
 class pkgAcqMethod
 {
    protected:
@@ -33,51 +41,66 @@ class pkgAcqMethod
    {
       FetchItem *Next;
 
-      string Uri;
-      string DestFile;
+      std::string Uri;
+      std::string DestFile;
+      int DestFileFd;
       time_t LastModified;
       bool IndexFile;
       bool FailIgnore;
+      HashStringList ExpectedHashes;
+      // a maximum size we will download, this can be the exact filesize
+      // for when we know it or a arbitrary limit when we don't know the
+      // filesize (like a InRelease file)
+      unsigned long long MaximumSize;
+
+      FetchItem();
+      virtual ~FetchItem();
+      private:
+      void * const d;
    };
    
    struct FetchResult
    {
-      string MD5Sum;
-      string SHA1Sum;
-      string SHA256Sum;
-      vector<string> GPGVOutput;
+      HashStringList Hashes;
+      std::vector<std::string> GPGVOutput;
       time_t LastModified;
       bool IMSHit;
-      string Filename;
-      unsigned long Size;
-      unsigned long ResumePoint;
+      std::string Filename;
+      unsigned long long Size;
+      unsigned long long ResumePoint;
       
-      void TakeHashes(Hashes &Hash);
+      void TakeHashes(class Hashes &Hash);
       FetchResult();
+      virtual ~FetchResult();
+      private:
+      void * const d;
    };
 
    // State
-   vector<string> Messages;
+   std::vector<std::string> Messages;
    FetchItem *Queue;
    FetchItem *QueueBack;
-   string FailReason;
-   string UsedMirror;
-   string IP;
-   
+   std::string FailReason;
+   std::string UsedMirror;
+   std::string IP;
+
    // Handlers for messages
-   virtual bool Configuration(string Message);
+   virtual bool Configuration(std::string Message);
    virtual bool Fetch(FetchItem * /*Item*/) {return true;};
-   
+   virtual bool URIAcquire(std::string const &/*Message*/, FetchItem *Itm) { return Fetch(Itm); };
+
    // Outgoing messages
    void Fail(bool Transient = false);
-   inline void Fail(const char *Why, bool Transient = false) {Fail(string(Why),Transient);};
-   virtual void Fail(string Why, bool Transient = false);
+   inline void Fail(const char *Why, bool Transient = false) {Fail(std::string(Why),Transient);};
+   virtual void Fail(std::string Why, bool Transient = false);
    virtual void URIStart(FetchResult &Res);
    virtual void URIDone(FetchResult &Res,FetchResult *Alt = 0);
 
-   bool MediaFail(string Required,string Drive);
+   bool MediaFail(std::string Required,std::string Drive);
    virtual void Exit() {};
 
+   void PrintStatus(char const * const header, const char* Format, va_list &args) const;
+
    public:
    enum CnfFlags {SingleInstance = (1<<0),
                   Pipeline = (1<<1), SendConfig = (1<<2),
@@ -87,14 +110,17 @@ class pkgAcqMethod
    void Log(const char *Format,...);
    void Status(const char *Format,...);
    
-   void Redirect(const string &NewURI);
+   void Redirect(const std::string &NewURI);
  
    int Run(bool Single = false);
-   inline void SetFailReason(string Msg) {FailReason = Msg;};
-   inline void SetIP(string aIP) {IP = aIP;};
+   inline void SetFailReason(std::string Msg) {FailReason = Msg;};
+   inline void SetIP(std::string aIP) {IP = aIP;};
    
    pkgAcqMethod(const char *Ver,unsigned long Flags = 0);
-   virtual ~pkgAcqMethod() {};
+   virtual ~pkgAcqMethod();
+   void DropPrivsOrDie();
+   private:
+   APT_HIDDEN void Dequeue();
 };
 
 /** @} */