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
  16 #include <sys/socket.h>
  17 #include <sys/types.h>
  18 #include <time.h>
  19 #include <string>
  20
  21 class FTPConn
  22 {
  23    char Buffer[1024*10];
  24    unsigned long Len;
  25    int ServerFd;
  26    int DataFd;
  27    int DataListenFd;
  28    URI ServerName;
  29    bool ForceExtended;
  30    bool TryPassive;
  31    bool Debug;
  32
  33    struct addrinfo *PasvAddr;
  34
  35    // Generic Peer Address
  36    struct sockaddr_storage PeerAddr;
  37    socklen_t PeerAddrLen;
  38
  39    // Generic Server Address (us)
  40    struct sockaddr_storage ServerAddr;
  41    socklen_t ServerAddrLen;
  42
  43    // Private helper functions
  44    bool ReadLine(std::string &Text);
  45    bool Login();
  46    bool CreateDataFd();
  47    bool Finalize();
  48
  49    public:
  50
  51    bool Comp(URI Other) {return Other.Host == ServerName.Host && Other.Port == ServerName.Port && Other.User == ServerName.User && Other.Password == ServerName.Password; };
  52
  53    // Raw connection IO
  54    bool ReadResp(unsigned int &Ret,std::string &Text);
  55    bool WriteMsg(unsigned int &Ret,std::string &Text,const char *Fmt,...);
  56
  57    // Connection control
  58    bool Open(pkgAcqMethod *Owner);
  59    void Close();
  60    bool GoPasv();
  61    bool ExtGoPasv();
  62
  63    // Query
  64    bool Size(const char *Path,unsigned long long &Size);
  65    bool ModTime(const char *Path, time_t &Time);
  66    bool Get(const char *Path,FileFd &To,unsigned long long Resume,
  67             Hashes &MD5,bool &Missing, unsigned long long MaximumSize,
  68             pkgAcqMethod *Owner);
  69
  70    FTPConn(URI Srv);
  71    ~FTPConn();
  72 };
  73
  74 class FtpMethod : public pkgAcqMethod
  75 {
  76    virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
  77    virtual bool Configuration(std::string Message) APT_OVERRIDE;
  78
  79    FTPConn *Server;
  80
  81    static std::string FailFile;
  82    static int FailFd;
  83    static time_t FailTime;
  84    static APT_NORETURN void SigTerm(int);
  85
  86    public:
  87
  88    FtpMethod();
  89 };
  90
  91 #endif