methods/ftp.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/// $Id: ftp.h,v 1.4 2001/03/06 07:15:29 jgg Exp $
   3 // $Id: ftp.h,v 1.4 2001/03/06 07:15:29 jgg Exp $
   4 /* ######################################################################
   5
   6    FTP Acquire Method - This is the FTP acquire method for APT.
   7
   8    ##################################################################### */
   9                                                                         /*}}}*/
  10 #ifndef APT_FTP_H
  11 #define APT_FTP_H
  12
  13 #include <apt-pkg/acquire-method.h>
  14 #include <apt-pkg/strutl.h>
  15 #include "aptmethod.h"
  16
  17 #include <sys/socket.h>
  18 #include <sys/types.h>
  19 #include <time.h>
  20 #include <string>
  21
  22 class FTPConn
  23 {
  24    char Buffer[1024*10];
  25    unsigned long Len;
  26    int ServerFd;
  27    int DataFd;
  28    int DataListenFd;
  29    URI ServerName;
  30    bool ForceExtended;
  31    bool TryPassive;
  32    bool Debug;
  33
  34    struct addrinfo *PasvAddr;
  35
  36    // Generic Peer Address
  37    struct sockaddr_storage PeerAddr;
  38    socklen_t PeerAddrLen;
  39
  40    // Generic Server Address (us)
  41    struct sockaddr_storage ServerAddr;
  42    socklen_t ServerAddrLen;
  43
  44    // Private helper functions
  45    bool ReadLine(std::string &Text);
  46    bool Login();
  47    bool CreateDataFd();
  48    bool Finalize();
  49
  50    public:
  51
  52    bool Comp(URI Other) {return Other.Host == ServerName.Host && Other.Port == ServerName.Port && Other.User == ServerName.User && Other.Password == ServerName.Password; };
  53
  54    // Raw connection IO
  55    bool ReadResp(unsigned int &Ret,std::string &Text);
  56    bool WriteMsg(unsigned int &Ret,std::string &Text,const char *Fmt,...);
  57
  58    // Connection control
  59    bool Open(pkgAcqMethod *Owner);
  60    void Close();
  61    bool GoPasv();
  62    bool ExtGoPasv();
  63
  64    // Query
  65    bool Size(const char *Path,unsigned long long &Size);
  66    bool ModTime(const char *Path, time_t &Time);
  67    bool Get(const char *Path,FileFd &To,unsigned long long Resume,
  68             Hashes &MD5,bool &Missing, unsigned long long MaximumSize,
  69             pkgAcqMethod *Owner);
  70
  71    explicit FTPConn(URI Srv);
  72    ~FTPConn();
  73 };
  74
  75 class FtpMethod : public aptMethod
  76 {
  77    virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
  78    virtual bool Configuration(std::string Message) APT_OVERRIDE;
  79
  80    FTPConn *Server;
  81
  82    static std::string FailFile;
  83    static int FailFd;
  84    static time_t FailTime;
  85    static APT_NORETURN void SigTerm(int);
  86
  87    public:
  88
  89    FtpMethod();
  90 };
  91
  92 #endif