More tweaks

Author: jgg
Date: 1999-05-27 05:51:18 GMT
More tweaks

methods/ftp.cc

@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: ftp.cc,v 1.10 1999/05/25 05:56:24 jgg Exp $
+// $Id: ftp.cc,v 1.11 1999/05/27 05:51:18 jgg Exp $
 /* ######################################################################
 
    HTTP Aquire Method - This is the FTP aquire method for APT.
@@ -35,9 +35,8 @@
 #include <arpa/inet.h>
 #include <netdb.h>
 
+#include "rfc2553emu.h"
 #include "ftp.h"
-
-
 									/*}}}*/
 
 unsigned long TimeOut = 120;
@@ -83,7 +82,8 @@ void FTPConn::Close()
 /* Connect to the server using a non-blocking connection and perform a 
    login. */
 string LastHost;
-in_addr LastHostA;
+int LastPort = 0;
+struct addrinfo *LastHostAddr = 0;
 bool FTPConn::Open(pkgAcqMethod *Owner)
 {
    // Use the already open connection if possible.
@@ -111,7 +111,7 @@ bool FTPConn::Open(pkgAcqMethod *Owner)
       Proxy = getenv("ftp_proxy");
    
    // Determine what host and port to use based on the proxy settings
-   int Port = 21;
+   int Port = 0;
    string Host;   
    if (Proxy.empty() == true)
    {
@@ -129,35 +129,53 @@ bool FTPConn::Open(pkgAcqMethod *Owner)
    /* We used a cached address record.. Yes this is against the spec but
       the way we have setup our rotating dns suggests that this is more
       sensible */
-   if (LastHost != Host)
+   if (LastHost != Host || LastPort != Port)
    {
       Owner->Status("Connecting to %s",Host.c_str());
 
       // Lookup the host
-      hostent *Addr = gethostbyname(Host.c_str());
-      if (Addr == 0 || Addr->h_addr_list[0] == 0)
+      char S[30] = "ftp";
+      if (Port != 0)
+	 snprintf(S,sizeof(S),"%u",Port);
+
+      // Free the old address structure
+      if (LastHostAddr != 0)
+      {
+	 freeaddrinfo(LastHostAddr);
+	 LastHostAddr = 0;
+      }
+      
+      // We only understand SOCK_STREAM sockets.
+      struct addrinfo Hints;
+      memset(&Hints,0,sizeof(Hints));
+      Hints.ai_socktype = SOCK_STREAM;
+      
+      // Resolve both the host and service simultaneously
+      if (getaddrinfo(Host.c_str(),S,&Hints,&LastHostAddr) != 0 ||
+	  LastHostAddr == 0)
 	 return _error->Error("Could not resolve '%s'",Host.c_str());
+
       LastHost = Host;
-      LastHostA = *(in_addr *)(Addr->h_addr_list[0]);
+      LastPort = Port;
    }
-   
-   Owner->Status("Connecting to %s (%s)",Host.c_str(),inet_ntoa(LastHostA));
+
+   // Get the printable IP address
+   char Name[NI_MAXHOST];
+   Name[0] = 0;
+   getnameinfo(LastHostAddr->ai_addr,LastHostAddr->ai_addrlen,
+	       Name,sizeof(Name),0,0,NI_NUMERICHOST);
+   Owner->Status("Connecting to %s (%s)",Host.c_str(),Name);
    
    // Get a socket
-   if ((ServerFd = socket(AF_INET,SOCK_STREAM,0)) < 0)
+   if ((ServerFd = socket(LastHostAddr->ai_family,LastHostAddr->ai_socktype,
+			  LastHostAddr->ai_protocol)) < 0)
       return _error->Errno("socket","Could not create a socket");
-   
-   // Connect to the server
-   struct sockaddr_in server;
-   server.sin_family = AF_INET;
-   server.sin_port = htons(Port);
-   server.sin_addr = LastHostA;
    SetNonBlock(ServerFd,true);
-   if (connect(ServerFd,(sockaddr *)&server,sizeof(server)) < 0 &&
+   if (connect(ServerFd,LastHostAddr->ai_addr,LastHostAddr->ai_addrlen) < 0 &&
        errno != EINPROGRESS)
-      return _error->Errno("socket","Could not create a socket");
-   Peer = server;
-   
+      return _error->Errno("connect","Connect initiate the connection");
+   Peer = *((struct sockaddr_in *)LastHostAddr->ai_addr);
+      
    /* This implements a timeout for connect by opening the connection
       nonblocking */
    if (WaitFd(ServerFd,true,TimeOut) == false)
@@ -582,7 +600,7 @@ bool FTPConn::CreateDataFd()
 	 return _error->Errno("socket","Could not create a socket");
    
       /* This implements a timeout for connect by opening the connection
-       nonblocking */
+         nonblocking */
       if (WaitFd(ServerFd,true,TimeOut) == false)
 	 return _error->Error("Could not connect data socket, connection timed out");
       unsigned int Err;

methods/makefile

@@ -45,5 +45,5 @@ include $(PROGRAM_H)
 PROGRAM=ftp
 SLIBS = -lapt-pkg 
 LIB_MAKES = apt-pkg/makefile
-SOURCE = ftp.cc
+SOURCE = ftp.cc rfc2553emu.cc
 include $(PROGRAM_H)

methods/rfc2553emu.cc

@@ -1,14 +1,17 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: rfc2553emu.cc,v 1.2 1999/05/26 04:08:39 jgg Exp $
+// $Id: rfc2553emu.cc,v 1.3 1999/05/27 05:51:18 jgg Exp $
 /* ######################################################################
 
    RFC 2553 Emulation - Provides emulation for RFC 2553 getaddrinfo,
                         freeaddrinfo and getnameinfo
+
+   This is really C code, it just has a .cc extensions to play nicer with
+   the rest of APT.
    
    Originally written by Jason Gunthorpe <jgg@debian.org> and placed into
    the Public Domain, do with it what you will.
-   
+
    ##################################################################### */
 									/*}}}*/
 #include "rfc2553emu.h"
@@ -156,7 +159,7 @@ int getnameinfo(const struct sockaddr *sa, socklen_t salen,
 {
    struct sockaddr_in *sin = (struct sockaddr_in *)sa;
    
-   // This routine only support internet addresses
+   // This routine only supports internet addresses
    if (sa->sa_family != AF_INET)
       return EAI_ADDRFAMILY;