/* Basic FTP routines.
- Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996-2007 Free Software Foundation, Inc.
This file is part of GNU Wget.
GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
GNU Wget is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with Wget; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+along with Wget. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the Free Software Foundation
gives permission to link the code of its release of Wget with the
#include <stdlib.h>
#include <errno.h>
-#ifdef HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#include <sys/types.h>
#include "wget.h"
#include "utils.h"
xfree (respline);
/* Send USER username. */
request = ftp_request ("USER", acc);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
xfree (respline);
/* Send PASS password. */
request = ftp_request ("PASS", pass);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
{
unsigned char *ptr;
- assert (addr != NULL);
- assert (addr->type == IPV4_ADDRESS);
- assert (buf != NULL);
+ assert (addr->family == AF_INET);
/* buf must contain the argument of PORT (of the form a,b,c,d,e,f). */
assert (buflen >= 6 * 4);
- ptr = ADDRESS_IPV4_DATA (addr);
+ ptr = IP_INADDR_DATA (addr);
snprintf (buf, buflen, "%d,%d,%d,%d,%d,%d", ptr[0], ptr[1],
ptr[2], ptr[3], (port & 0xff00) >> 8, port & 0xff);
buf[buflen - 1] = '\0';
if (!socket_ip_address (csock, &addr, ENDPOINT_LOCAL))
return FTPSYSERR;
- assert (addr.type == IPV4_ADDRESS);
+ assert (addr.family == AF_INET);
/* Setting port to 0 lets the system choose a free port. */
port = 0;
/* Send PORT request. */
request = ftp_request ("PORT", bytes);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
ip_address_to_lprt_repr (const ip_address *addr, int port, char *buf,
size_t buflen)
{
- unsigned char *ptr;
+ unsigned char *ptr = IP_INADDR_DATA (addr);
- assert (addr != NULL);
- assert (addr->type == IPV4_ADDRESS || addr->type == IPV6_ADDRESS);
- assert (buf != NULL);
/* buf must contain the argument of LPRT (of the form af,n,h1,h2,...,hn,p1,p2). */
assert (buflen >= 21 * 4);
/* Construct the argument of LPRT (of the form af,n,h1,h2,...,hn,p1,p2). */
- switch (addr->type)
- {
- case IPV4_ADDRESS:
- ptr = ADDRESS_IPV4_DATA (addr);
- snprintf (buf, buflen, "%d,%d,%d,%d,%d,%d,%d,%d,%d", 4, 4,
- ptr[0], ptr[1], ptr[2], ptr[3], 2,
- (port & 0xff00) >> 8, port & 0xff);
- buf[buflen - 1] = '\0';
- break;
- case IPV6_ADDRESS:
- ptr = ADDRESS_IPV6_DATA (addr);
- snprintf (buf, buflen, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d",
- 6, 16, ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7],
- ptr[8], ptr[9], ptr[10], ptr[11], ptr[12], ptr[13], ptr[14], ptr[15], 2,
- (port & 0xff00) >> 8, port & 0xff);
- buf[buflen - 1] = '\0';
- break;
+ switch (addr->family)
+ {
+ case AF_INET:
+ snprintf (buf, buflen, "%d,%d,%d,%d,%d,%d,%d,%d,%d", 4, 4,
+ ptr[0], ptr[1], ptr[2], ptr[3], 2,
+ (port & 0xff00) >> 8, port & 0xff);
+ break;
+ case AF_INET6:
+ snprintf (buf, buflen,
+ "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d",
+ 6, 16,
+ ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7],
+ ptr[8], ptr[9], ptr[10], ptr[11], ptr[12], ptr[13], ptr[14], ptr[15],
+ 2, (port & 0xff00) >> 8, port & 0xff);
+ break;
+ default:
+ abort ();
}
}
if (!socket_ip_address (csock, &addr, ENDPOINT_LOCAL))
return FTPSYSERR;
- assert (addr.type == IPV4_ADDRESS || addr.type == IPV6_ADDRESS);
+ assert (addr.family == AF_INET || addr.family == AF_INET6);
/* Setting port to 0 lets the system choose a free port. */
port = 0;
/* Send PORT request. */
request = ftp_request ("LPRT", bytes);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
{
int afnum;
- assert (addr != NULL);
- assert (addr->type == IPV4_ADDRESS || addr->type == IPV6_ADDRESS);
- assert (buf != NULL);
/* buf must contain the argument of EPRT (of the form |af|addr|port|).
* 4 chars for the | separators, INET6_ADDRSTRLEN chars for addr
* 1 char for af (1-2) and 5 chars for port (0-65535) */
assert (buflen >= 4 + INET6_ADDRSTRLEN + 1 + 5);
/* Construct the argument of EPRT (of the form |af|addr|port|). */
- afnum = (addr->type == IPV4_ADDRESS ? 1 : 2);
- snprintf (buf, buflen, "|%d|%s|%d|", afnum, pretty_print_address (addr), port);
+ afnum = (addr->family == AF_INET ? 1 : 2);
+ snprintf (buf, buflen, "|%d|%s|%d|", afnum, print_address (addr), port);
buf[buflen - 1] = '\0';
}
if (!socket_ip_address (csock, &addr, ENDPOINT_LOCAL))
return FTPSYSERR;
- assert (addr.type == IPV4_ADDRESS || addr.type == IPV6_ADDRESS);
-
/* Setting port to 0 lets the system choose a free port. */
port = 0;
/* Send PORT request. */
request = ftp_request ("EPRT", bytes);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
/* Form the request. */
request = ftp_request ("PASV", NULL);
/* And send it. */
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
}
/* Parse the request. */
s = respline;
- for (s += 4; *s && !ISDIGIT (*s); s++);
+ for (s += 4; *s && !ISDIGIT (*s); s++)
+ ;
if (!*s)
return FTPINVPASV;
for (i = 0; i < 6; i++)
}
xfree (respline);
- addr->type = IPV4_ADDRESS;
- memcpy (ADDRESS_IPV4_DATA (addr), tmp, 4);
+ addr->family = AF_INET;
+ memcpy (IP_INADDR_DATA (addr), tmp, 4);
*port = ((tmp[4] << 8) & 0xff00) + tmp[5];
return FTPOK;
request = ftp_request ("LPSV", NULL);
/* And send it. */
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
/* Parse the response. */
s = respline;
- for (s += 4; *s && !ISDIGIT (*s); s++);
+ for (s += 4; *s && !ISDIGIT (*s); s++)
+ ;
if (!*s)
return FTPINVPASV;
if (af == 4)
{
- addr->type = IPV4_ADDRESS;
- memcpy (ADDRESS_IPV4_DATA (addr), tmp, 4);
+ addr->family = AF_INET;
+ memcpy (IP_INADDR_DATA (addr), tmp, 4);
*port = ((tmpprt[0] << 8) & 0xff00) + tmpprt[1];
- DEBUGP (("lpsv addr is: %s\n", pretty_print_address(addr)));
+ DEBUGP (("lpsv addr is: %s\n", print_address(addr)));
DEBUGP (("tmpprt[0] is: %d\n", tmpprt[0]));
DEBUGP (("tmpprt[1] is: %d\n", tmpprt[1]));
DEBUGP (("*port is: %d\n", *port));
else
{
assert (af == 6);
- addr->type = IPV6_ADDRESS;
- memcpy (ADDRESS_IPV6_DATA (addr), tmp, 16);
+ addr->family = AF_INET6;
+ memcpy (IP_INADDR_DATA (addr), tmp, 16);
*port = ((tmpprt[0] << 8) & 0xff00) + tmpprt[1];
- DEBUGP (("lpsv addr is: %s\n", pretty_print_address(addr)));
+ DEBUGP (("lpsv addr is: %s\n", print_address(addr)));
DEBUGP (("tmpprt[0] is: %d\n", tmpprt[0]));
DEBUGP (("tmpprt[1] is: %d\n", tmpprt[1]));
DEBUGP (("*port is: %d\n", *port));
/* Form the request. */
/* EPSV 1 means that we ask for IPv4 and EPSV 2 means that we ask for IPv6. */
- request = ftp_request ("EPSV", (ip->type == IPV4_ADDRESS ? "1" : "2"));
+ request = ftp_request ("EPSV", (ip->family == AF_INET ? "1" : "2"));
/* And send it. */
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
stype[1] = 0;
/* Send TYPE request. */
request = ftp_request ("TYPE", stype);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
/* Send CWD request. */
request = ftp_request ("CWD", dir);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
uerr_t err;
request = ftp_request ("REST", number_to_static_string (offset));
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
/* Send RETR request. */
request = ftp_request ("RETR", file);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
char *request, *respline;
int nwritten;
uerr_t err;
-
- /* Send LIST request. */
- request = ftp_request ("LIST", file);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
- if (nwritten < 0)
- {
- xfree (request);
- return WRITEFAILED;
- }
- xfree (request);
- /* Get appropriate respone. */
- err = ftp_response (csock, &respline);
- if (err != FTPOK)
- return err;
- if (*respline == '5')
- {
- xfree (respline);
- return FTPNSFOD;
- }
- if (*respline != '1')
- {
- xfree (respline);
- return FTPRERR;
- }
- xfree (respline);
- /* All OK. */
- return FTPOK;
+ bool ok = false;
+ int i = 0;
+ /* Try `LIST -a' first and revert to `LIST' in case of failure. */
+ const char *list_commands[] = { "LIST -a",
+ "LIST" };
+
+ do {
+ /* Send request. */
+ request = ftp_request (list_commands[i], file);
+ nwritten = fd_write (csock, request, strlen (request), -1);
+ if (nwritten < 0)
+ {
+ xfree (request);
+ return WRITEFAILED;
+ }
+ xfree (request);
+ /* Get appropriate response. */
+ err = ftp_response (csock, &respline);
+ if (err == FTPOK)
+ {
+ if (*respline == '5')
+ {
+ err = FTPNSFOD;
+ }
+ else if (*respline == '1')
+ {
+ err = FTPOK;
+ ok = true;
+ }
+ else
+ {
+ err = FTPRERR;
+ }
+ xfree (respline);
+ }
+ ++i;
+ } while (i < countof (list_commands) && !ok);
+
+ return err;
}
/* Sends the SYST command to the server. */
/* Send SYST request. */
request = ftp_request ("SYST", NULL);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
first word of the server response)? */
request = strtok (NULL, " ");
- if (!strcasecmp (request, "VMS"))
+ if (request == NULL)
+ *server_type = ST_OTHER;
+ else if (!strcasecmp (request, "VMS"))
*server_type = ST_VMS;
else if (!strcasecmp (request, "UNIX"))
*server_type = ST_UNIX;
/* Send PWD request. */
request = ftp_request ("PWD", NULL);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);
/* Send PWD request. */
request = ftp_request ("SIZE", file);
- nwritten = fd_write (csock, request, strlen (request), -1.0);
+ nwritten = fd_write (csock, request, strlen (request), -1);
if (nwritten < 0)
{
xfree (request);