/* Basic FTP routines.
Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
-This file is part of Wget.
+This file is part of GNU Wget.
-This program is free software; you can redistribute it and/or modify
+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
(at your option) any later version.
-This program is distributed in the hope that it will be useful,
+GNU Wget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
+along with Wget; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
+
#ifdef HAVE_STRING_H
# include <string.h>
#else
# include <strings.h>
#endif
-#include <ctype.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
/* All OK. */
return FTPOK;
}
+
+/* Sends the SIZE command to the server, and returns the value in 'size'.
+ * If an error occurs, size is set to zero. */
+uerr_t
+ftp_size (struct rbuf *rbuf, const char *file, long int *size)
+{
+ char *request, *respline;
+ int nwritten;
+ uerr_t err;
+
+ /* Send PWD request. */
+ request = ftp_request ("SIZE", file);
+ nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
+ if (nwritten < 0)
+ {
+ xfree (request);
+ *size = 0;
+ return WRITEFAILED;
+ }
+ xfree (request);
+ /* Get appropriate response. */
+ err = ftp_response (rbuf, &respline);
+ if (err != FTPOK)
+ {
+ xfree (respline);
+ *size = 0;
+ return err;
+ }
+ if (*respline == '5')
+ {
+ /*
+ * Probably means SIZE isn't supported on this server.
+ * Error is nonfatal since SIZE isn't in RFC 959
+ */
+ xfree (respline);
+ *size = 0;
+ return FTPOK;
+ }
+
+ errno = 0;
+ *size = strtol (respline + 4, NULL, 0);
+ if (errno)
+ {
+ /*
+ * Couldn't parse the response for some reason. On the (few)
+ * tests I've done, the response is 213 <SIZE> with nothing else -
+ * maybe something a bit more resilient is necessary. It's not a
+ * fatal error, however.
+ */
+ xfree (respline);
+ *size = 0;
+ return FTPOK;
+ }
+
+ xfree (respline);
+ /* All OK. */
+ return FTPOK;
+}
+
+/* If URL's params are of the form "type=X", return character X.
+ Otherwise, return 'I' (the default type). */
+char
+ftp_process_type (const char *params)
+{
+ if (params
+ && 0 == strncasecmp (params, "type=", 5)
+ && params[5] != '\0')
+ return TOUPPER (params[5]);
+ else
+ return 'I';
+}