/* Basic FTP routines.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of Wget.
#include "rbuf.h"
#include "connect.h"
#include "host.h"
-
-#ifndef errno
-extern int errno;
-#endif
-#ifndef h_errno
-extern int h_errno;
-#endif
+#include "ftp.h"
char ftp_last_respline[128];
do
{
for (i = 0; 1; i++)
- {
- int res;
- if (i > bufsize - 1)
- *line = (char *)xrealloc (*line, (bufsize <<= 1));
- res = RBUF_READCHAR (rbuf, *line + i);
- /* RES is number of bytes read. */
- if (res == 1)
- {
- if ((*line)[i] == '\n')
- {
- (*line)[i] = '\0';
- /* Get rid of \r. */
- if (i > 0 && (*line)[i - 1] == '\r')
- (*line)[i - 1] = '\0';
- break;
- }
- }
- else
- return FTPRERR;
- }
+ {
+ int res;
+ if (i > bufsize - 1)
+ *line = (char *)xrealloc (*line, (bufsize <<= 1));
+ res = RBUF_READCHAR (rbuf, *line + i);
+ /* RES is number of bytes read. */
+ if (res == 1)
+ {
+ if ((*line)[i] == '\n')
+ {
+ (*line)[i] = '\0';
+ /* Get rid of \r. */
+ if (i > 0 && (*line)[i - 1] == '\r')
+ (*line)[i - 1] = '\0';
+ break;
+ }
+ }
+ else
+ return FTPRERR;
+ }
if (opt.server_response)
- logprintf (LOG_ALWAYS, "%s\n", *line);
+ logprintf (LOG_ALWAYS, "%s\n", *line);
else
- DEBUGP (("%s\n", *line));
+ DEBUGP (("%s\n", *line));
}
while (!(i >= 3 && ISDIGIT (**line) && ISDIGIT ((*line)[1]) &&
- ISDIGIT ((*line)[2]) && (*line)[3] == ' '));
+ ISDIGIT ((*line)[2]) && (*line)[3] == ' '));
strncpy (ftp_last_respline, *line, sizeof (ftp_last_respline));
ftp_last_respline[sizeof (ftp_last_respline) - 1] = '\0';
return FTPOK;
ftp_request (const char *command, const char *value)
{
char *res = (char *)xmalloc (strlen (command)
- + (value ? (1 + strlen (value)) : 0)
- + 2 + 1);
+ + (value ? (1 + strlen (value)) : 0)
+ + 2 + 1);
sprintf (res, "%s%s%s\r\n", command, value ? " " : "", value ? value : "");
if (opt.server_response)
{
/* Hack: don't print out password. */
if (strncmp (res, "PASS", 4) != 0)
- logprintf (LOG_ALWAYS, "--> %s\n", res);
+ logprintf (LOG_ALWAYS, "--> %s\n", res);
else
- logputs (LOG_ALWAYS, "--> PASS Turtle Power!\n");
+ logputs (LOG_ALWAYS, "--> PASS Turtle Power!\n");
}
else
DEBUGP (("\n--> %s\n", res));
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPSRVERR;
}
- free (respline);
+ xfree (respline);
/* Send USER username. */
request = ftp_request ("USER", acc);
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
/* An unprobable possibility of logging without a password. */
if (*respline == '2')
{
- free (respline);
+ xfree (respline);
return FTPOK;
}
/* Else, only response 3 is appropriate. */
if (*respline != '3')
{
- free (respline);
+ xfree (respline);
return FTPLOGREFUSED;
}
#ifdef USE_OPIE
for (i = 0; i < ARRAY_SIZE (skey_head); i++)
{
- if (strncasecmp (skey_head[i], respline, strlen (skey_head[i])) == 0)
- break;
+ if (strncasecmp (skey_head[i], respline, strlen (skey_head[i])) == 0)
+ break;
}
if (i < ARRAY_SIZE (skey_head))
{
- const char *cp;
- int skey_sequence = 0;
-
- for (cp = respline + strlen (skey_head[i]);
- '0' <= *cp && *cp <= '9';
- cp++)
- {
- skey_sequence = skey_sequence * 10 + *cp - '0';
- }
- if (*cp == ' ')
- cp++;
- else
- {
- bad:
- free (respline);
- return FTPLOGREFUSED;
- }
- if ((cp = calculate_skey_response (skey_sequence, cp, pass)) == 0)
- goto bad;
- pass = cp;
+ const char *cp;
+ int skey_sequence = 0;
+
+ for (cp = respline + strlen (skey_head[i]);
+ '0' <= *cp && *cp <= '9';
+ cp++)
+ {
+ skey_sequence = skey_sequence * 10 + *cp - '0';
+ }
+ if (*cp == ' ')
+ cp++;
+ else
+ {
+ bad:
+ xfree (respline);
+ return FTPLOGREFUSED;
+ }
+ if ((cp = calculate_skey_response (skey_sequence, cp, pass)) == 0)
+ goto bad;
+ pass = cp;
}
}
#endif /* USE_OPIE */
- free (respline);
+ xfree (respline);
/* Send PASS password. */
request = ftp_request ("PASS", pass);
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPLOGINC;
}
- free (respline);
+ xfree (respline);
/* All OK. */
return FTPOK;
}
/* Construct the argument of PORT (of the form a,b,c,d,e,f). */
bytes = (char *)alloca (6 * 4 + 1);
sprintf (bytes, "%d,%d,%d,%d,%d,%d", in_addr[0], in_addr[1],
- in_addr[2], in_addr[3], (unsigned) (port & 0xff00) >> 8,
- port & 0xff);
+ in_addr[2], in_addr[3], (unsigned) (port & 0xff00) >> 8,
+ port & 0xff);
/* Send PORT request. */
request = ftp_request ("PORT", bytes);
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPPORTERR;
}
- free (respline);
+ xfree (respline);
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get the server response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPNOPASV;
}
/* Parse the request. */
{
addr[i] = 0;
for (; ISDIGIT (*s); s++)
- addr[i] = (*s - '0') + 10 * addr[i];
+ addr[i] = (*s - '0') + 10 * addr[i];
if (*s == ',')
- s++;
+ s++;
else if (i < 5)
- {
- /* When on the last number, anything can be a terminator. */
- free (respline);
- return FTPINVPASV;
- }
+ {
+ /* When on the last number, anything can be a terminator. */
+ xfree (respline);
+ return FTPINVPASV;
+ }
}
- free (respline);
+ xfree (respline);
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPUNKNOWNTYPE;
}
- free (respline);
+ xfree (respline);
/* All OK. */
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline == '5')
{
- free (respline);
+ xfree (respline);
return FTPNSFOD;
}
if (*respline != '2')
{
- free (respline);
+ xfree (respline);
return FTPRERR;
}
- free (respline);
+ xfree (respline);
/* All OK. */
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline != '3')
{
- free (respline);
+ xfree (respline);
return FTPRESTFAIL;
}
- free (respline);
+ xfree (respline);
/* All OK. */
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate response. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline == '5')
{
- free (respline);
+ xfree (respline);
return FTPNSFOD;
}
if (*respline != '1')
{
- free (respline);
+ xfree (respline);
return FTPRERR;
}
- free (respline);
+ xfree (respline);
/* All OK. */
return FTPOK;
}
nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
if (nwritten < 0)
{
- free (request);
+ xfree (request);
return WRITEFAILED;
}
- free (request);
+ xfree (request);
/* Get appropriate respone. */
err = ftp_response (rbuf, &respline);
if (err != FTPOK)
{
- free (respline);
+ xfree (respline);
return err;
}
if (*respline == '5')
{
- free (respline);
+ xfree (respline);
return FTPNSFOD;
}
if (*respline != '1')
{
- free (respline);
+ xfree (respline);
return FTPRERR;
}
- free (respline);
+ xfree (respline);
+ /* All OK. */
+ return FTPOK;
+}
+
+/* Sends the SYST command to the server. */
+uerr_t
+ftp_syst (struct rbuf *rbuf, enum stype *server_type)
+{
+ char *request, *respline;
+ int nwritten;
+ uerr_t err;
+
+ /* Send SYST request. */
+ request = ftp_request ("SYST", NULL);
+ nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
+ if (nwritten < 0)
+ {
+ xfree (request);
+ return WRITEFAILED;
+ }
+ xfree (request);
+ /* Get appropriate response. */
+ err = ftp_response (rbuf, &respline);
+ if (err != FTPOK)
+ {
+ xfree (respline);
+ return err;
+ }
+ if (*respline == '5')
+ {
+ xfree (respline);
+ return FTPSRVERR;
+ }
+
+ /* Skip the number (215, but 200 (!!!) in case of VMS) */
+ strtok (respline, " ");
+
+ /* Which system type has been reported (we are interested just in the
+ first word of the server response)? */
+ request = strtok (NULL, " ");
+
+ if (!strcasecmp (request, "VMS"))
+ *server_type = ST_VMS;
+ else
+ if (!strcasecmp (request, "UNIX"))
+ *server_type = ST_UNIX;
+ else
+ if (!strcasecmp (request, "WINDOWS_NT"))
+ *server_type = ST_WINNT;
+ else
+ if (!strcasecmp (request, "MACOS"))
+ *server_type = ST_MACOS;
+ else
+ *server_type = ST_OTHER;
+
+ xfree (respline);
+ /* All OK. */
+ return FTPOK;
+}
+
+/* Sends the PWD command to the server. */
+uerr_t
+ftp_pwd (struct rbuf *rbuf, char **pwd)
+{
+ char *request, *respline;
+ int nwritten;
+ uerr_t err;
+
+ /* Send PWD request. */
+ request = ftp_request ("PWD", NULL);
+ nwritten = iwrite (RBUF_FD (rbuf), request, strlen (request));
+ if (nwritten < 0)
+ {
+ xfree (request);
+ return WRITEFAILED;
+ }
+ xfree (request);
+ /* Get appropriate response. */
+ err = ftp_response (rbuf, &respline);
+ if (err != FTPOK)
+ {
+ xfree (respline);
+ return err;
+ }
+ if (*respline == '5')
+ {
+ xfree (respline);
+ return FTPSRVERR;
+ }
+
+ /* Skip the number (257), leading citation mark, trailing citation mark
+ and everything following it. */
+ strtok (respline, "\"");
+ request = strtok (NULL, "\"");
+
+ /* Has the `pwd' been already allocated? Free! */
+ FREE_MAYBE (*pwd);
+
+ *pwd = xstrdup (request);
+
+ xfree (respline);
/* All OK. */
return FTPOK;
}
projects / wget / blobdiff