fix: Prefer prefix ++/-- operators for non-primitive types

[apt.git] / methods / ftp.cc

diff --git a/methods/ftp.cc b/methods/ftp.cc
index 87aa8d7987e64317838f0644b52b7c50d575c2a5..ac76295f02ef1342e00dc7a0e9aac52fa38a77a5 100644 (file)
--- a/methods/ftp.cc
+++ b/methods/ftp.cc
@@ -3,7 +3,7 @@
 // $Id: ftp.cc,v 1.31.2.1 2004/01/16 18:58:50 mdz Exp $
 /* ######################################################################
 
-   FTP Aquire Method - This is the FTP aquire method for APT.
+   FTP Acquire Method - This is the FTP acquire method for APT.
 
    This is a very simple implementation that does not try to optimize
    at all. Commands are sent syncronously with the FTP server (as the
@@ -22,10 +22,14 @@
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/strutl.h>
 
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
@@ -42,6 +46,7 @@
 #include "rfc2553emu.h"
 #include "connect.h"
 #include "ftp.h"
+
 #include <apti18n.h>
                                                                        /*}}}*/
 
@@ -56,9 +61,9 @@ struct AFMap
 };
 
 #ifndef AF_INET6
-struct AFMap AFMap[] = {{AF_INET,1},{}};
+struct AFMap AFMap[] = {{AF_INET,1},{0, 0}};
 #else
-struct AFMap AFMap[] = {{AF_INET,1},{AF_INET6,2},{}};
+struct AFMap AFMap[] = {{AF_INET,1},{AF_INET6,2},{0, 0}};
 #endif
 
 unsigned long TimeOut = 120;
@@ -70,11 +75,14 @@ time_t FtpMethod::FailTime = 0;
 // FTPConn::FTPConn - Constructor                                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-FTPConn::FTPConn(URI Srv) : Len(0), ServerFd(-1), DataFd(-1), 
-                            DataListenFd(-1), ServerName(Srv)
+FTPConn::FTPConn(URI Srv) : Len(0), ServerFd(-1), DataFd(-1),
+                            DataListenFd(-1), ServerName(Srv),
+                           ForceExtended(false), TryPassive(true),
+                           PeerAddrLen(0), ServerAddrLen(0)
 {
    Debug = _config->FindB("Debug::Acquire::Ftp",false);
    PasvAddr = 0;
+   Buffer[0] = '\0';
 }
                                                                        /*}}}*/
 // FTPConn::~FTPConn - Destructor                                      /*{{{*/
@@ -433,6 +441,7 @@ bool FTPConn::WriteMsg(unsigned int &Ret,string &Text,const char *Fmt,...)
    char S[400];
    vsnprintf(S,sizeof(S) - 4,Fmt,args);
    strcat(S,"\r\n");
+   va_end(args);
  
    if (Debug == true)
       cerr << "-> '" << QuoteString(S,"") << "'" << endl;
@@ -561,7 +570,7 @@ bool FTPConn::ExtGoPasv()
    string::const_iterator List[4];
    unsigned Count = 0;
    Pos++;
-   for (string::const_iterator I = Msg.begin() + Pos; I < Msg.end(); I++)
+   for (string::const_iterator I = Msg.begin() + Pos; I < Msg.end(); ++I)
    {
       if (*I != Msg[Pos])
         continue;
@@ -619,8 +628,7 @@ bool FTPConn::ExtGoPasv()
    }
    
    // Get a new passive address.
-   int Res;
-   if ((Res = getaddrinfo(IP.c_str(),PStr,&Hints,&PasvAddr)) != 0)
+   if (getaddrinfo(IP.c_str(),PStr,&Hints,&PasvAddr) != 0)
       return true;
    
    return true;
@@ -718,14 +726,13 @@ bool FTPConn::CreateDataFd()
    DataListenFd = -1;
 
    // Get the information for a listening socket.
-   struct addrinfo *BindAddr = 0;
+   struct addrinfo *BindAddr = NULL;
    struct addrinfo Hints;
    memset(&Hints,0,sizeof(Hints));
    Hints.ai_socktype = SOCK_STREAM;
    Hints.ai_flags |= AI_PASSIVE;
    Hints.ai_family = ((struct sockaddr *)&ServerAddr)->sa_family;
-   int Res;
-   if ((Res = getaddrinfo(0,"0",&Hints,&BindAddr)) != 0)
+   if (getaddrinfo(0,"0",&Hints,&BindAddr) != 0 || BindAddr == NULL)
       return _error->Error(_("getaddrinfo was unable to get a listening socket"));
    
    // Construct the socket
@@ -866,7 +873,7 @@ bool FTPConn::Get(const char *Path,FileFd &To,unsigned long long Resume,
    
    if (Resume != 0)
    {
-      if (Hash.AddFD(To.Fd(),Resume) == false)
+      if (Hash.AddFD(To,Resume) == false)
       {
         _error->Errno("read",_("Problem hashing file"));
         return false;
@@ -945,20 +952,22 @@ FtpMethod::FtpMethod() : pkgAcqMethod("1.0",SendConfig)
                                                                        /*}}}*/
 // FtpMethod::SigTerm - Handle a fatal signal                          /*{{{*/
 // ---------------------------------------------------------------------
-/* This closes and timestamps the open file. This is neccessary to get 
+/* This closes and timestamps the open file. This is necessary to get
    resume behavoir on user abort */
 void FtpMethod::SigTerm(int)
 {
    if (FailFd == -1)
       _exit(100);
-   close(FailFd);
-   
+
    // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(FailFile.c_str(),&UBuf);
-   
+   struct timeval times[2];
+   times[0].tv_sec = FailTime;
+   times[1].tv_sec = FailTime;
+   times[0].tv_usec = times[1].tv_usec = 0;
+   utimes(FailFile.c_str(), times);
+
+   close(FailFd);
+
    _exit(100);
 }
                                                                        /*}}}*/
@@ -1057,13 +1066,14 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       if (Server->Get(File,Fd,Res.ResumePoint,Hash,Missing) == false)
       {
         Fd.Close();
-        
+
         // Timestamp
-        struct utimbuf UBuf;
-        UBuf.actime = FailTime;
-        UBuf.modtime = FailTime;
-        utime(FailFile.c_str(),&UBuf);
-        
+        struct timeval times[2];
+        times[0].tv_sec = FailTime;
+        times[1].tv_sec = FailTime;
+        times[0].tv_usec = times[1].tv_usec = 0;
+        utimes(FailFile.c_str(), times);
+
         // If the file is missing we hard fail and delete the destfile
         // otherwise transient fail
         if (Missing == true) {
@@ -1075,25 +1085,26 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       }
 
       Res.Size = Fd.Size();
+
+      // Timestamp
+      struct timeval times[2];
+      times[0].tv_sec = FailTime;
+      times[1].tv_sec = FailTime;
+      times[0].tv_usec = times[1].tv_usec = 0;
+      utimes(Fd.Name().c_str(), times);
+      FailFd = -1;
    }
-   
+
    Res.LastModified = FailTime;
    Res.TakeHashes(Hash);
-   
-   // Timestamp
-   struct utimbuf UBuf;
-   UBuf.actime = FailTime;
-   UBuf.modtime = FailTime;
-   utime(Queue->DestFile.c_str(),&UBuf);
-   FailFd = -1;
 
    URIDone(Res);
-   
+
    return true;
 }
                                                                        /*}}}*/
 
-int main(int argc,const char *argv[])
+int main(int, const char *argv[])
 { 
    setlocale(LC_ALL, "");
 
@@ -1121,6 +1132,9 @@ int main(int argc,const char *argv[])
    }
    
    FtpMethod Mth;
+
+   // no more active ftp, sorry
+   Mth.DropPrivsOrDie();
    
    return Mth.Run();
 }