correct some style/performance/warnings from cppcheck

[apt.git] / methods / ftp.cc

diff --git a/methods/ftp.cc b/methods/ftp.cc
index 97248f900c8eaff56f46e721a6f4958e11576c20..2d05364d5849d6bc340a387f369c136bf2e569cb 100644 (file)
--- a/methods/ftp.cc
+++ b/methods/ftp.cc
@@ -15,22 +15,23 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
+#include <config.h>
+
 #include <apt-pkg/fileutl.h>
 #include <apt-pkg/acquire-method.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/hashes.h>
 #include <apt-pkg/netrc.h>
+#include <apt-pkg/configuration.h>
 
 #include <sys/stat.h>
 #include <sys/time.h>
-#include <utime.h>
 #include <unistd.h>
 #include <signal.h>
 #include <stdio.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <iostream>
-#include <apti18n.h>
 
 // Internet stuff
 #include <netinet/in.h>
@@ -41,6 +42,7 @@
 #include "rfc2553emu.h"
 #include "connect.h"
 #include "ftp.h"
+#include <apti18n.h>
                                                                        /*}}}*/
 
 using namespace std;
@@ -69,10 +71,12 @@ time_t FtpMethod::FailTime = 0;
 // ---------------------------------------------------------------------
 /* */
 FTPConn::FTPConn(URI Srv) : Len(0), ServerFd(-1), DataFd(-1), 
-                            DataListenFd(-1), ServerName(Srv)
+                            DataListenFd(-1), ServerName(Srv),
+                           ForceExtended(false), TryPassive(true)
 {
    Debug = _config->FindB("Debug::Acquire::Ftp",false);
    PasvAddr = 0;
+   Buffer[0] = '\0';
 }
                                                                        /*}}}*/
 // FTPConn::~FTPConn - Destructor                                      /*{{{*/
@@ -431,6 +435,7 @@ 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;
@@ -559,7 +564,7 @@ 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;
@@ -617,8 +622,7 @@ 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;
@@ -627,7 +631,7 @@ bool FTPConn::ExtGoPasv()
 // FTPConn::Size - Return the size of a file                           /*{{{*/
 // ---------------------------------------------------------------------
 /* Grab the file size from the server, 0 means no size or empty file */
-bool FTPConn::Size(const char *Path,unsigned long &Size)
+bool FTPConn::Size(const char *Path,unsigned long long &Size)
 {
    // Query the size
    unsigned int Tag;
@@ -637,7 +641,7 @@ bool FTPConn::Size(const char *Path,unsigned long &Size)
       return false;
    
    char *End;
-   Size = strtol(Msg.c_str(),&End,10);
+   Size = strtoull(Msg.c_str(),&End,10);
    if (Tag >= 400 || End == Msg.c_str())
       Size = 0;
    return true;
@@ -716,14 +720,13 @@ 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
@@ -839,7 +842,7 @@ bool FTPConn::Finalize()
 // ---------------------------------------------------------------------
 /* This opens a data connection, sends REST and RETR and then
    transfers the file over. */
-bool FTPConn::Get(const char *Path,FileFd &To,unsigned long Resume,
+bool FTPConn::Get(const char *Path,FileFd &To,unsigned long long Resume,
                  Hashes &Hash,bool &Missing)
 {
    Missing = false;
@@ -864,7 +867,7 @@ bool FTPConn::Get(const char *Path,FileFd &To,unsigned 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;
@@ -949,14 +952,16 @@ 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 timespec times[2];
+   times[0].tv_sec = FailTime;
+   times[1].tv_sec = FailTime;
+   times[0].tv_nsec = times[1].tv_nsec = 0;
+   futimens(FailFd, times);
+
+   close(FailFd);
+
    _exit(100);
 }
                                                                        /*}}}*/
@@ -1002,7 +1007,7 @@ bool FtpMethod::Fetch(FetchItem *Itm)
    
    // Get the files information
    Status(_("Query"));
-   unsigned long Size;
+   unsigned long long Size;
    if (Server->Size(File,Size) == false ||
        Server->ModTime(File,FailTime) == false)
    {
@@ -1024,7 +1029,7 @@ bool FtpMethod::Fetch(FetchItem *Itm)
    struct stat Buf;
    if (stat(Itm->DestFile.c_str(),&Buf) == 0)
    {
-      if (Size == (unsigned)Buf.st_size && FailTime == Buf.st_mtime)
+      if (Size == (unsigned long long)Buf.st_size && FailTime == Buf.st_mtime)
       {
         Res.Size = Buf.st_size;
         Res.LastModified = Buf.st_mtime;
@@ -1034,7 +1039,7 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       }
       
       // Resume?
-      if (FailTime == Buf.st_mtime && Size > (unsigned)Buf.st_size)
+      if (FailTime == Buf.st_mtime && Size > (unsigned long long)Buf.st_size)
         Res.ResumePoint = Buf.st_size;
    }
    
@@ -1055,13 +1060,14 @@ 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 timespec times[2];
+        times[0].tv_sec = FailTime;
+        times[1].tv_sec = FailTime;
+        times[0].tv_nsec = times[1].tv_nsec = 0;
+        futimens(FailFd, times);
+
         // If the file is missing we hard fail and delete the destfile
         // otherwise transient fail
         if (Missing == true) {
@@ -1073,20 +1079,21 @@ bool FtpMethod::Fetch(FetchItem *Itm)
       }
 
       Res.Size = Fd.Size();
+
+      // Timestamp
+      struct timespec times[2];
+      times[0].tv_sec = FailTime;
+      times[1].tv_sec = FailTime;
+      times[0].tv_nsec = times[1].tv_nsec = 0;
+      futimens(Fd.Fd(), 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;
 }
                                                                        /*}}}*/