/* File Transfer Protocol support.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+ Inc.
This file is part of GNU Wget.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <strings.h>
+#include <unistd.h>
#include <assert.h>
#include <errno.h>
#include <time.h>
#include "netrc.h"
#include "convert.h" /* for downloaded_file */
#include "recur.h" /* for INFINITE_RECURSION */
+#include "warc.h"
+
+#ifdef __VMS
+# include "vms.h"
+#endif /* def __VMS */
+
/* File where the "ls -al" listing will be saved. */
#ifdef MSDOS
int cmd; /* command code */
int csock; /* control connection socket */
double dltime; /* time of the download in msecs */
- enum stype rs; /* remote system reported by ftp server */
+ enum stype rs; /* remote system reported by ftp server */
+ enum ustype rsu; /* when rs is ST_UNIX, here there are more details */
char *id; /* initial directory */
char *target; /* target file name */
struct url *proxy; /* FTWK-style proxy */
} ccon;
+extern int numurls;
/* Look for regexp "( *[0-9]+ *byte" (literal parenthesis) anywhere in
the string S, and return the number converted to wgint, if found, 0
}
#ifdef ENABLE_IPV6
-/*
+/*
* This function sets up a passive data connection with the FTP server.
* It is merely a wrapper around ftp_epsv, ftp_lpsv and ftp_pasv.
*/
if (!socket_ip_address (csock, addr, ENDPOINT_PEER))
abort ();
- /* If our control connection is over IPv6, then we first try EPSV and then
- * LPSV if the former is not supported. If the control connection is over
+ /* If our control connection is over IPv6, then we first try EPSV and then
+ * LPSV if the former is not supported. If the control connection is over
* IPv4, we simply issue the good old PASV request. */
switch (addr->family)
{
return err;
}
-/*
+/*
* This function sets up an active data connection with the FTP server.
* It is merely a wrapper around ftp_eprt, ftp_lprt and ftp_port.
*/
if (!socket_ip_address (csock, &cip, ENDPOINT_PEER))
abort ();
- /* If our control connection is over IPv6, then we first try EPRT and then
- * LPRT if the former is not supported. If the control connection is over
+ /* If our control connection is over IPv6, then we first try EPRT and then
+ * LPRT if the former is not supported. If the control connection is over
* IPv4, we simply issue the good old PORT request. */
switch (cip.family)
{
/* Retrieves a file with denoted parameters through opening an FTP
connection to the server. It always closes the data connection,
- and closes the control connection in case of error. */
+ and closes the control connection in case of error. If warc_tmp
+ is non-NULL, the downloaded data will be written there as well. */
static uerr_t
-getftp (struct url *u, wgint *len, wgint restval, ccon *con)
+getftp (struct url *u, wgint passed_expected_bytes, wgint *qtyread,
+ wgint restval, ccon *con, int count, FILE *warc_tmp)
{
int csock, dtsock, local_sock, res;
uerr_t err = RETROK; /* appease the compiler */
FILE *fp;
- char *user, *passwd, *respline;
- char *tms;
- const char *tmrate;
+ char *respline, *tms;
+ const char *user, *passwd, *tmrate;
int cmd = con->cmd;
bool pasv_mode_open = false;
wgint expected_bytes = 0;
+ bool got_expected_bytes = false;
bool rest_failed = false;
int flags;
- wgint rd_size;
+ wgint rd_size, previous_rd_size = 0;
+ char type_char;
+ bool try_again;
+ bool list_a_used = false;
assert (con != NULL);
assert (con->target != NULL);
/* Make sure that at least *something* is requested. */
assert ((cmd & (DO_LIST | DO_CWD | DO_RETR | DO_LOGIN)) != 0);
+ *qtyread = restval;
+
user = u->user;
passwd = u->passwd;
search_netrc (u->host, (const char **)&user, (const char **)&passwd, 1);
csock = con->csock;
else /* cmd & DO_LOGIN */
{
- char type_char;
char *host = con->proxy ? con->proxy->host : u->host;
int port = con->proxy ? con->proxy->port : u->port;
- char *logname = user;
-
- if (con->proxy)
- {
- /* If proxy is in use, log in as username@target-site. */
- logname = concat_strings (user, "@", u->host, (char *) 0);
- }
/* Login to the server: */
csock = connect_to_host (host, port);
if (csock == E_HOST)
- return HOSTERR;
+ return HOSTERR;
else if (csock < 0)
- return (retryable_socket_connect_error (errno)
- ? CONERROR : CONIMPOSSIBLE);
+ return (retryable_socket_connect_error (errno)
+ ? CONERROR : CONIMPOSSIBLE);
if (cmd & LEAVE_PENDING)
con->csock = csock;
con->csock = -1;
/* Second: Login with proper USER/PASS sequence. */
- logprintf (LOG_VERBOSE, _("Logging in as %s ... "),
+ logprintf (LOG_VERBOSE, _("Logging in as %s ... "),
quotearg_style (escape_quoting_style, user));
if (opt.server_response)
logputs (LOG_ALWAYS, "\n");
- err = ftp_login (csock, logname, passwd);
-
if (con->proxy)
- xfree (logname);
+ {
+ /* If proxy is in use, log in as username@target-site. */
+ char *logname = concat_strings (user, "@", u->host, (char *) 0);
+ err = ftp_login (csock, logname, passwd);
+ xfree (logname);
+ }
+ else
+ err = ftp_login (csock, user, passwd);
/* FTPRERR, FTPSRVERR, WRITEFAILED, FTPLOGREFUSED, FTPLOGINC */
switch (err)
/* Third: Get the system type */
if (!opt.server_response)
logprintf (LOG_VERBOSE, "==> SYST ... ");
- err = ftp_syst (csock, &con->rs);
+ err = ftp_syst (csock, &con->rs, &con->rsu);
/* FTPRERR */
switch (err)
{
if (!opt.server_response && err != FTPSRVERR)
logputs (LOG_VERBOSE, _("done. "));
+ /* 2013-10-17 Andrea Urbani (matfanjol)
+ According to the system type I choose which
+ list command will be used.
+ If I don't know that system, I will try, the
+ first time of each session, "LIST -a" and
+ "LIST". (see __LIST_A_EXPLANATION__ below) */
+ switch (con->rs)
+ {
+ case ST_VMS:
+ /* About ST_VMS there is an old note:
+ 2008-01-29 SMS. For a VMS FTP server, where "LIST -a" may not
+ fail, but will never do what is desired here,
+ skip directly to the simple "LIST" command
+ (assumed to be the last one in the list). */
+ DEBUGP (("\nVMS: I know it and I will use \"LIST\" as standard list command\n"));
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST_A;
+ break;
+ case ST_UNIX:
+ if (con->rsu == UST_MULTINET)
+ {
+ DEBUGP (("\nUNIX MultiNet: I know it and I will use \"LIST\" "
+ "as standard list command\n"));
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST_A;
+ }
+ else if (con->rsu == UST_TYPE_L8)
+ {
+ DEBUGP (("\nUNIX TYPE L8: I know it and I will use \"LIST -a\" "
+ "as standard list command\n"));
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST;
+ }
+ break;
+ default:
+ break;
+ }
+
/* Fourth: Find the initial ftp directory */
if (!opt.server_response)
default:
abort ();
}
+
+#if 0
+ /* 2004-09-17 SMS.
+ Don't help me out. Please.
+ A reasonably recent VMS FTP server will cope just fine with
+ UNIX file specifications. This code just spoils things.
+ Discarding the device name, for example, is not a wise move.
+ This code was disabled but left in as an example of what not
+ to do.
+ */
+
/* VMS will report something like "PUB$DEVICE:[INITIAL.FOLDER]".
- Convert it to "/INITIAL/FOLDER" */
+ Convert it to "/INITIAL/FOLDER" */
if (con->rs == ST_VMS)
{
char *path = strchr (con->id, '[');
DEBUGP ((" new = '%s'\n\n", con->id));
}
}
+#endif /* 0 */
+
if (!opt.server_response)
logputs (LOG_VERBOSE, _("done.\n"));
logputs (LOG_VERBOSE, _("==> CWD not needed.\n"));
else
{
+ const char *targ = NULL;
+ int cwd_count;
+ int cwd_end;
+ int cwd_start;
+
char *target = u->dir;
DEBUGP (("changing working directory\n"));
in "bar", not in "foo/bar", as would be customary
elsewhere. */
+ /* 2004-09-20 SMS.
+ Why is this wise even on UNIX? It certainly fouls VMS.
+ See below for a more reliable, more universal method.
+ */
+
+ /* 2008-04-22 MJC.
+ I'm not crazy about it either. I'm informed it's useful
+ for misconfigured servers that have some dirs in the path
+ with +x but -r, but this method is not RFC-conformant. I
+ understand the need to deal with crappy server
+ configurations, but it's far better to use the canonical
+ method first, and fall back to kludges second.
+ */
+
if (target[0] != '/'
&& !(con->rs != ST_UNIX
&& c_isalpha (target[0])
&& target[1] == ':')
- && con->rs != ST_OS400)
+ && (con->rs != ST_OS400)
+ && (con->rs != ST_VMS))
{
int idlen = strlen (con->id);
char *ntarget, *p;
target = ntarget;
}
+#if 0
+ /* 2004-09-17 SMS.
+ Don't help me out. Please.
+ A reasonably recent VMS FTP server will cope just fine with
+ UNIX file specifications. This code just spoils things.
+ Discarding the device name, for example, is not a wise
+ move.
+ This code was disabled but left in as an example of what
+ not to do.
+ */
+
/* If the FTP host runs VMS, we will have to convert the absolute
directory path in UNIX notation to absolute directory path in
VMS notation as VMS FTP servers do not like UNIX notation of
DEBUGP ((" Unix: '%s'\n VMS: '%s'\n", target, ntarget));
target = ntarget;
}
+#endif /* 0 */
+
+ /* 2004-09-20 SMS.
+ A relative directory is relative to the initial directory.
+ Thus, what _is_ useful on VMS (and probably elsewhere) is
+ to CWD to the initial directory (ideally, whatever the
+ server reports, _exactly_, NOT badly UNIX-ixed), and then
+ CWD to the (new) relative directory. This should probably
+ be restructured as a function, called once or twice, but
+ I'm lazy enough to take the badly indented loop short-cut
+ for now.
+ */
+
+ /* Decide on one pass (absolute) or two (relative).
+ The VMS restriction may be relaxed when the squirrely code
+ above is reformed.
+ */
+ if ((con->rs == ST_VMS) && (target[0] != '/'))
+ {
+ cwd_start = 0;
+ DEBUGP (("Using two-step CWD for relative path.\n"));
+ }
+ else
+ {
+ /* Go straight to the target. */
+ cwd_start = 1;
+ }
+
+ /* At least one VMS FTP server (TCPware V5.6-2) can switch to
+ a UNIX emulation mode when given a UNIX-like directory
+ specification (like "a/b/c"). If allowed to continue this
+ way, LIST interpretation will be confused, because the
+ system type (SYST response) will not be re-checked, and
+ future UNIX-format directory listings (for multiple URLs or
+ "-r") will be horribly misinterpreted.
+
+ The cheap and nasty work-around is to do a "CWD []" after a
+ UNIX-like directory specification is used. (A single-level
+ directory is harmless.) This puts the TCPware server back
+ into VMS mode, and does no harm on other servers.
+
+ Unlike the rest of this block, this particular behavior
+ _is_ VMS-specific, so it gets its own VMS test.
+ */
+ if ((con->rs == ST_VMS) && (strchr( target, '/') != NULL))
+ {
+ cwd_end = 3;
+ DEBUGP (("Using extra \"CWD []\" step for VMS server.\n"));
+ }
+ else
+ {
+ cwd_end = 2;
+ }
+
+ /* 2004-09-20 SMS. */
+ /* Sorry about the deviant indenting. Laziness. */
+
+ for (cwd_count = cwd_start; cwd_count < cwd_end; cwd_count++)
+ {
+ switch (cwd_count)
+ {
+ case 0:
+ /* Step one (optional): Go to the initial directory,
+ exactly as reported by the server.
+ */
+ targ = con->id;
+ break;
+
+ case 1:
+ /* Step two: Go to the target directory. (Absolute or
+ relative will work now.)
+ */
+ targ = target;
+ break;
+
+ case 2:
+ /* Step three (optional): "CWD []" to restore server
+ VMS-ness.
+ */
+ targ = "[]";
+ break;
+
+ default:
+ /* Can't happen. */
+ assert (1);
+ }
if (!opt.server_response)
- logprintf (LOG_VERBOSE, "==> CWD %s ... ",
+ logprintf (LOG_VERBOSE, "==> CWD (%d) %s ... ", cwd_count,
quotearg_style (escape_quoting_style, target));
- err = ftp_cwd (csock, target);
+ err = ftp_cwd (csock, targ);
/* FTPRERR, WRITEFAILED, FTPNSFOD */
switch (err)
{
}
if (!opt.server_response)
logputs (LOG_VERBOSE, _("done.\n"));
- }
+
+ } /* for */
+
+ /* 2004-09-20 SMS. */
+ /* End of deviant indenting. */
+
+ } /* else */
}
else /* do not CWD */
logputs (LOG_VERBOSE, _("==> CWD not required.\n"));
- if ((cmd & DO_RETR) && *len == 0)
+ if ((cmd & DO_RETR) && passed_expected_bytes == 0)
{
if (opt.verbose)
{
if (!opt.server_response)
- logprintf (LOG_VERBOSE, "==> SIZE %s ... ",
+ logprintf (LOG_VERBOSE, "==> SIZE %s ... ",
quotearg_style (escape_quoting_style, u->file));
}
- err = ftp_size (csock, u->file, len);
+ err = ftp_size (csock, u->file, &expected_bytes);
/* FTPRERR */
switch (err)
{
con->csock = -1;
return err;
case FTPOK:
+ got_expected_bytes = true;
/* Everything is OK. */
break;
default:
abort ();
}
if (!opt.server_response)
- logprintf (LOG_VERBOSE, *len ? "%s\n" : _("done.\n"),
- number_to_static_string (*len));
+ {
+ logprintf (LOG_VERBOSE, "%s\n",
+ expected_bytes ?
+ number_to_static_string (expected_bytes) :
+ _("done.\n"));
+ }
+ }
+
+ if (cmd & DO_RETR && restval > 0 && restval == expected_bytes)
+ {
+ /* Server confirms that file has length restval. We should stop now.
+ Some servers (f.e. NcFTPd) return error when receive REST 0 */
+ logputs (LOG_VERBOSE, _("File has already been retrieved.\n"));
+ fd_close (csock);
+ con->csock = -1;
+ return RETRFINISHED;
}
+ do
+ {
+ try_again = false;
/* If anything is to be retrieved, PORT (or PASV) must be sent. */
if (cmd & (DO_LIST | DO_RETR))
{
} /* switch (err) */
if (err==FTPOK)
{
- DEBUGP (("trying to connect to %s port %d\n",
+ DEBUGP (("trying to connect to %s port %d\n",
print_address (&passive_addr), passive_port));
dtsock = connect_to_ip (&passive_addr, passive_port, NULL);
if (dtsock < 0)
if (cmd & DO_RETR)
{
/* If we're in spider mode, don't really retrieve anything except
- the directory listing and verify whether the given "file" exists. */
+ the directory listing and verify whether the given "file" exists. */
if (opt.spider)
{
- bool exists = false;
- uerr_t res;
- struct fileinfo *f;
- res = ftp_get_listing (u, con, &f);
- /* Set the DO_RETR command flag again, because it gets unset when
- calling ftp_get_listing() and would otherwise cause an assertion
- failure earlier on when this function gets repeatedly called
- (e.g., when recursing). */
- con->cmd |= DO_RETR;
- if (res == RETROK)
- {
- while (f)
- {
- if (!strcmp (f->name, u->file))
- {
- exists = true;
- break;
- }
- f = f->next;
- }
+ bool exists = false;
+ struct fileinfo *f;
+ uerr_t _res = ftp_get_listing (u, con, &f);
+ /* Set the DO_RETR command flag again, because it gets unset when
+ calling ftp_get_listing() and would otherwise cause an assertion
+ failure earlier on when this function gets repeatedly called
+ (e.g., when recursing). */
+ con->cmd |= DO_RETR;
+ if (_res == RETROK)
+ {
+ while (f)
+ {
+ if (!strcmp (f->name, u->file))
+ {
+ exists = true;
+ break;
+ }
+ f = f->next;
+ }
if (exists)
{
logputs (LOG_VERBOSE, "\n");
logprintf (LOG_NOTQUIET, _("File %s exists.\n"),
quote (u->file));
}
- else
+ else
{
- logputs (LOG_VERBOSE, "\n");
- logprintf (LOG_NOTQUIET, _("No such file %s.\n"),
- quote (u->file));
- }
- }
+ logputs (LOG_VERBOSE, "\n");
+ logprintf (LOG_NOTQUIET, _("No such file %s.\n"),
+ quote (u->file));
+ }
+ }
fd_close (csock);
con->csock = -1;
fd_close (dtsock);
{
if (restval)
logputs (LOG_VERBOSE, "\n");
- logprintf (LOG_VERBOSE, "==> RETR %s ... ",
+ logprintf (LOG_VERBOSE, "==> RETR %s ... ",
quotearg_style (escape_quoting_style, u->file));
}
}
if (!opt.server_response)
logputs (LOG_VERBOSE, _("done.\n"));
- expected_bytes = ftp_expected_bytes (ftp_last_respline);
+
+ if (! got_expected_bytes)
+ expected_bytes = ftp_expected_bytes (ftp_last_respline);
} /* do retrieve */
if (cmd & DO_LIST)
/* As Maciej W. Rozycki (macro@ds2.pg.gda.pl) says, `LIST'
without arguments is better than `LIST .'; confirmed by
RFC959. */
- err = ftp_list (csock, NULL);
+ err = ftp_list (csock, NULL, con->st&AVOID_LIST_A, con->st&AVOID_LIST, &list_a_used);
+
/* FTPRERR, WRITEFAILED */
switch (err)
{
}
if (!opt.server_response)
logputs (LOG_VERBOSE, _("done.\n"));
- expected_bytes = ftp_expected_bytes (ftp_last_respline);
+
+ if (! got_expected_bytes)
+ expected_bytes = ftp_expected_bytes (ftp_last_respline);
} /* cmd & DO_LIST */
if (!(cmd & (DO_LIST | DO_RETR)) || (opt.spider && !(cmd & DO_LIST)))
/* Some FTP servers return the total length of file after REST
command, others just return the remaining size. */
- if (*len && restval && expected_bytes
- && (expected_bytes == *len - restval))
+ if (passed_expected_bytes && restval && expected_bytes
+ && (expected_bytes == passed_expected_bytes - restval))
{
DEBUGP (("Lying FTP server found, adjusting.\n"));
- expected_bytes = *len;
+ expected_bytes = passed_expected_bytes;
}
/* If no transmission was required, then everything is OK. */
if (dtsock < 0)
{
logprintf (LOG_NOTQUIET, "accept: %s\n", strerror (errno));
- return err;
+ return CONERROR;
}
}
/* Open the file -- if output_stream is set, use it instead. */
+
+ /* 2005-04-17 SMS.
+ Note that having the output_stream ("-O") file opened in main()
+ (main.c) rather limits the ability in VMS to open the file
+ differently for ASCII versus binary FTP here. (Of course, doing it
+ there allows a open failure to be detected immediately, without first
+ connecting to the server.)
+ */
if (!output_stream || con->cmd & DO_LIST)
{
+/* On VMS, alter the name as required. */
+#ifdef __VMS
+ char *targ;
+
+ targ = ods_conform (con->target);
+ if (targ != con->target)
+ {
+ xfree (con->target);
+ con->target = targ;
+ }
+#endif /* def __VMS */
+
mkalldirs (con->target);
if (opt.backups)
rotate_backups (con->target);
+/* 2005-04-15 SMS.
+ For VMS, define common fopen() optional arguments, and a handy macro
+ for use as a variable "binary" flag.
+ Elsewhere, define a constant "binary" flag.
+ Isn't it nice to have distinct text and binary file types?
+*/
+/* 2011-09-30 SMS.
+ Added listing files to the set of non-"binary" (text, Stream_LF)
+ files. (Wget works either way, but other programs, like, say, text
+ editors, work better on listing files which have text attributes.)
+ Now we use "binary" attributes for a binary ("IMAGE") transfer,
+ unless "--ftp-stmlf" was specified, and we always use non-"binary"
+ (text, Stream_LF) attributes for a listing file, or for an ASCII
+ transfer.
+ Tidied the VMS-specific BIN_TYPE_xxx macros, and changed the call to
+ fopen_excl() (restored?) to use BIN_TYPE_FILE instead of "true".
+*/
+#ifdef __VMS
+# define BIN_TYPE_TRANSFER (type_char != 'A')
+# define BIN_TYPE_FILE \
+ ((!(cmd & DO_LIST)) && BIN_TYPE_TRANSFER && (opt.ftp_stmlf == 0))
+# define FOPEN_OPT_ARGS "fop=sqo", "acc", acc_cb, &open_id
+# define FOPEN_OPT_ARGS_BIN "ctx=bin,stm", "rfm=fix", "mrs=512" FOPEN_OPT_ARGS
+#else /* def __VMS */
+# define BIN_TYPE_FILE true
+#endif /* def __VMS [else] */
+
if (restval && !(con->cmd & DO_LIST))
- fp = fopen (con->target, "ab");
+ {
+#ifdef __VMS
+ int open_id;
+
+ if (BIN_TYPE_FILE)
+ {
+ open_id = 3;
+ fp = fopen (con->target, "ab", FOPEN_OPT_ARGS_BIN);
+ }
+ else
+ {
+ open_id = 4;
+ fp = fopen (con->target, "a", FOPEN_OPT_ARGS);
+ }
+#else /* def __VMS */
+ fp = fopen (con->target, "ab");
+#endif /* def __VMS [else] */
+ }
else if (opt.noclobber || opt.always_rest || opt.timestamping || opt.dirstruct
- || opt.output_document)
- fp = fopen (con->target, "wb");
+ || opt.output_document || count > 0)
+ {
+ if (opt.unlink && file_exists_p (con->target))
+ {
+ if (unlink (con->target) < 0)
+ {
+ logprintf (LOG_NOTQUIET, "%s: %s\n", con->target,
+ strerror (errno));
+ fd_close (csock);
+ con->csock = -1;
+ fd_close (dtsock);
+ fd_close (local_sock);
+ return UNLINKERR;
+ }
+ }
+
+#ifdef __VMS
+ int open_id;
+
+ if (BIN_TYPE_FILE)
+ {
+ open_id = 5;
+ fp = fopen (con->target, "wb", FOPEN_OPT_ARGS_BIN);
+ }
+ else
+ {
+ open_id = 6;
+ fp = fopen (con->target, "w", FOPEN_OPT_ARGS);
+ }
+#else /* def __VMS */
+ fp = fopen (con->target, "wb");
+#endif /* def __VMS [else] */
+ }
else
{
- fp = fopen_excl (con->target, true);
+ fp = fopen_excl (con->target, BIN_TYPE_FILE);
if (!fp && errno == EEXIST)
{
/* We cannot just invent a new name and use it (which is
else
fp = output_stream;
- if (*len)
+ if (passed_expected_bytes)
{
- print_length (*len, restval, true);
- expected_bytes = *len; /* for fd_read_body's progress bar */
+ print_length (passed_expected_bytes, restval, true);
+ expected_bytes = passed_expected_bytes;
+ /* for fd_read_body's progress bar */
}
else if (expected_bytes)
print_length (expected_bytes, restval, false);
flags = 0;
if (restval && rest_failed)
flags |= rb_skip_startpos;
- *len = restval;
rd_size = 0;
- res = fd_read_body (dtsock, fp,
+ res = fd_read_body (con->target, dtsock, fp,
expected_bytes ? expected_bytes - restval : 0,
- restval, &rd_size, len, &con->dltime, flags);
+ restval, &rd_size, qtyread, &con->dltime, flags, warc_tmp);
tms = datetime_str (time (NULL));
tmrate = retr_rate (rd_size, con->dltime);
if (!output_stream || con->cmd & DO_LIST)
fclose (fp);
- /* If fd_read_body couldn't write to fp, bail out. */
- if (res == -2)
+ /* If fd_read_body couldn't write to fp or warc_tmp, bail out. */
+ if (res == -2 || (warc_tmp != NULL && res == -3))
{
logprintf (LOG_NOTQUIET, _("%s: %s, closing control connection.\n"),
con->target, strerror (errno));
fd_close (csock);
con->csock = -1;
fd_close (dtsock);
- return FWRITEERR;
+ if (res == -2)
+ return FWRITEERR;
+ else if (res == -3)
+ return WARC_TMP_FWRITEERR;
}
else if (res == -1)
{
}
/* If it was a listing, and opt.server_response is true,
print it out. */
- if (opt.server_response && (con->cmd & DO_LIST))
+ if (con->cmd & DO_LIST)
{
+ if (opt.server_response)
+ {
+/* 2005-02-25 SMS.
+ Much of this work may already have been done, but repeating it should
+ do no damage beyond wasting time.
+*/
+/* On VMS, alter the name as required. */
+#ifdef __VMS
+ char *targ;
+
+ targ = ods_conform( con->target);
+ if (targ != con->target)
+ {
+ xfree( con->target);
+ con->target = targ;
+ }
+#endif /* def __VMS */
+
mkalldirs (con->target);
fp = fopen (con->target, "r");
if (!fp)
logprintf (LOG_ALWAYS, "%s: %s\n", con->target, strerror (errno));
else
{
- char *line;
- /* The lines are being read with read_whole_line because of
+ char *line = NULL;
+ size_t bufsize = 0;
+ ssize_t len;
+
+ /* The lines are being read with getline because of
no-buffering on opt.lfile. */
- while ((line = read_whole_line (fp)) != NULL)
+ while ((len = getline (&line, &bufsize, fp)) > 0)
{
- char *p = strchr (line, '\0');
- while (p > line && (p[-1] == '\n' || p[-1] == '\r'))
- *--p = '\0';
- logprintf (LOG_ALWAYS, "%s\n",
+ while (len > 0 && (line[len - 1] == '\n' || line[len - 1] == '\r'))
+ line[--len] = '\0';
+ logprintf (LOG_ALWAYS, "%s\n",
quotearg_style (escape_quoting_style, line));
- xfree (line);
}
+ xfree (line);
fclose (fp);
}
- } /* con->cmd & DO_LIST && server_response */
-
+ } /* server_response */
+
+ /* 2013-10-17 Andrea Urbani (matfanjol)
+ < __LIST_A_EXPLANATION__ >
+ After the SYST command, looks if it knows that system.
+ If yes, wget will force the use of "LIST" or "LIST -a".
+ If no, wget will try, only the first time of each session, before the
+ "LIST -a" command and after the "LIST".
+ If "LIST -a" works and returns more or equal data of the "LIST",
+ "LIST -a" will be the standard list command for all the session.
+ If "LIST -a" fails or returns less data than "LIST" (think on the case
+ of an existing file called "-a"), "LIST" will be the standard list
+ command for all the session.
+ ("LIST -a" is used to get also the hidden files)
+
+ */
+ if (!(con->st & LIST_AFTER_LIST_A_CHECK_DONE))
+ {
+ /* We still have to check "LIST" after the first "LIST -a" to see
+ if with "LIST" we get more data than "LIST -a", that means
+ "LIST -a" returned files/folders with "-a" name. */
+ if (con->st & AVOID_LIST_A)
+ {
+ /* LIST was used in this cycle.
+ Let's see the result. */
+ if (rd_size > previous_rd_size)
+ {
+ /* LIST returns more data than "LIST -a".
+ "LIST" is the official command to use. */
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ DEBUGP (("LIST returned more data than \"LIST -a\": "
+ "I will use \"LIST\" as standard list command\n"));
+ }
+ else if (previous_rd_size > rd_size)
+ {
+ /* "LIST -a" returned more data then LIST.
+ "LIST -a" is the official command to use. */
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST;
+ con->st &= ~AVOID_LIST_A;
+ /* Sorry, please, download again the "LIST -a"... */
+ try_again = true;
+ DEBUGP (("LIST returned less data than \"LIST -a\": I will "
+ "use \"LIST -a\" as standard list command\n"));
+ }
+ else
+ {
+ /* LIST and "LIST -a" return the same data. */
+ if (rd_size == 0)
+ {
+ /* Same empty data. We will check both again because
+ we cannot check if "LIST -a" has returned an empty
+ folder instead of a folder content. */
+ con->st &= ~AVOID_LIST_A;
+ }
+ else
+ {
+ /* Same data, so, better to take "LIST -a" that
+ shows also hidden files/folders (when present) */
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST;
+ con->st &= ~AVOID_LIST_A;
+ DEBUGP (("LIST returned the same amount of data of "
+ "\"LIST -a\": I will use \"LIST -a\" as standard "
+ "list command\n"));
+ }
+ }
+ }
+ else
+ {
+ /* In this cycle "LIST -a" should being used. Is it true? */
+ if (list_a_used)
+ {
+ /* Yes, it is.
+ OK, let's save the amount of data and try again
+ with LIST */
+ previous_rd_size = rd_size;
+ try_again = true;
+ con->st |= AVOID_LIST_A;
+ }
+ else
+ {
+ /* No: something happens and LIST was used.
+ This means "LIST -a" raises an error. */
+ con->st |= LIST_AFTER_LIST_A_CHECK_DONE;
+ con->st |= AVOID_LIST_A;
+ DEBUGP (("\"LIST -a\" failed: I will use \"LIST\" "
+ "as standard list command\n"));
+ }
+ }
+ }
+ }
+ } while (try_again);
return RETRFINISHED;
}
This loop either gets commands from con, or (if ON_YOUR_OWN is
set), makes them up to retrieve the file given by the URL. */
static uerr_t
-ftp_loop_internal (struct url *u, struct fileinfo *f, ccon *con)
+ftp_loop_internal (struct url *u, struct fileinfo *f, ccon *con, char **local_file)
{
int count, orig_lp;
- wgint restval, len = 0;
+ wgint restval, len = 0, qtyread = 0;
char *tms, *locf;
const char *tmrate = NULL;
uerr_t err;
struct_stat st;
- if (!con->target)
- con->target = url_file_name (u);
+ /* Declare WARC variables. */
+ bool warc_enabled = (opt.warc_filename != NULL);
+ FILE *warc_tmp = NULL;
+ ip_address *warc_ip = NULL;
+
+ /* Get the target, and set the name for the message accordingly. */
+ if ((f == NULL) && (con->target))
+ {
+ /* Explicit file (like ".listing"). */
+ locf = con->target;
+ }
+ else
+ {
+ /* URL-derived file. Consider "-O file" name. */
+ con->target = url_file_name (u, NULL);
+ if (!opt.output_document)
+ locf = con->target;
+ else
+ locf = opt.output_document;
+ }
/* If the output_document was given, then this check was already done and
the file didn't exist. Hence the !opt.output_document */
- if (opt.noclobber && !opt.output_document && file_exists_p (con->target))
+
+ /* If we receive .listing file it is necessary to determine system type of the ftp
+ server even if opn.noclobber is given. Thus we must ignore opt.noclobber in
+ order to establish connection with the server and get system type. */
+ if (opt.noclobber && !opt.output_document && file_exists_p (con->target)
+ && !((con->cmd & DO_LIST) && !(con->cmd & DO_RETR)))
{
logprintf (LOG_VERBOSE,
_("File %s already there; not retrieving.\n"), quote (con->target));
/* Remove it if it's a link. */
remove_link (con->target);
- if (!opt.output_document)
- locf = con->target;
- else
- locf = opt.output_document;
count = 0;
con->cmd |= DO_CWD;
}
+ /* For file RETR requests, we can write a WARC record.
+ We record the file contents to a temporary file. */
+ if (warc_enabled && (con->cmd & DO_RETR) && warc_tmp == NULL)
+ {
+ warc_tmp = warc_tempfile ();
+ if (warc_tmp == NULL)
+ return WARC_TMP_FOPENERR;
+
+ if (!con->proxy && con->csock != -1)
+ {
+ warc_ip = (ip_address *) alloca (sizeof (ip_address));
+ socket_ip_address (con->csock, warc_ip, ENDPOINT_PEER);
+ }
+ }
+
/* Decide whether or not to restart. */
if (con->cmd & DO_LIST)
restval = 0;
+ else if (opt.start_pos >= 0)
+ restval = opt.start_pos;
else if (opt.always_rest
&& stat (locf, &st) == 0
&& S_ISREG (st.st_mode))
first attempt to clobber existing data.) */
restval = st.st_size;
else if (count > 1)
- restval = len; /* start where the previous run left off */
+ restval = qtyread; /* start where the previous run left off */
else
restval = 0;
xfree (hurl);
}
/* Send getftp the proper length, if fileinfo was provided. */
- if (f)
+ if (f && f->type != FT_SYMLINK)
len = f->size;
else
len = 0;
- err = getftp (u, &len, restval, con);
+
+ /* If we are working on a WARC record, getftp should also write
+ to the warc_tmp file. */
+ err = getftp (u, len, &qtyread, restval, con, count, warc_tmp);
if (con->csock == -1)
con->st &= ~DONE_CWD;
{
case HOSTERR: case CONIMPOSSIBLE: case FWRITEERR: case FOPENERR:
case FTPNSFOD: case FTPLOGINC: case FTPNOPASV: case CONTNOTSUPPORTED:
+ case UNLINKERR: case WARC_TMP_FWRITEERR:
/* Fatal errors, give up. */
+ if (warc_tmp != NULL)
+ fclose (warc_tmp);
return err;
case CONSOCKERR: case CONERROR: case FTPSRVERR: case FTPRERR:
case WRITEFAILED: case FTPUNKNOWNTYPE: case FTPSYSERR:
{
/* Re-determine the file name. */
xfree_null (con->target);
- con->target = url_file_name (u);
+ con->target = url_file_name (u, NULL);
locf = con->target;
}
continue;
case FTPRETRINT:
/* If the control connection was closed, the retrieval
will be considered OK if f->size == len. */
- if (!f || len != f->size)
+ if (!f || qtyread != f->size)
{
printwhat (count, opt.ntry);
continue;
}
tms = datetime_str (time (NULL));
if (!opt.spider)
- tmrate = retr_rate (len - restval, con->dltime);
+ tmrate = retr_rate (qtyread - restval, con->dltime);
/* If we get out of the switch above without continue'ing, we've
successfully downloaded a file. Remember this fact. */
con->csock = -1;
}
if (!opt.spider)
- logprintf (LOG_VERBOSE, _("%s (%s) - %s saved [%s]\n\n"),
- tms, tmrate, quote (locf), number_to_static_string (len));
+ {
+ bool write_to_stdout = (opt.output_document && HYPHENP (opt.output_document));
+
+ logprintf (LOG_VERBOSE,
+ write_to_stdout
+ ? _("%s (%s) - written to stdout %s[%s]\n\n")
+ : _("%s (%s) - %s saved [%s]\n\n"),
+ tms, tmrate,
+ write_to_stdout ? "" : quote (locf),
+ number_to_static_string (qtyread));
+ }
if (!opt.verbose && !opt.quiet)
{
/* Need to hide the password from the URL. The `if' is here
time. */
char *hurl = url_string (u, URL_AUTH_HIDE_PASSWD);
logprintf (LOG_NONVERBOSE, "%s URL: %s [%s] -> \"%s\" [%d]\n",
- tms, hurl, number_to_static_string (len), locf, count);
+ tms, hurl, number_to_static_string (qtyread), locf, count);
xfree (hurl);
}
- if ((con->cmd & DO_LIST))
+ if (warc_enabled && (con->cmd & DO_RETR))
+ {
+ /* Create and store a WARC resource record for the retrieved file. */
+ bool warc_res;
+
+ warc_res = warc_write_resource_record (NULL, u->url, NULL, NULL,
+ warc_ip, NULL, warc_tmp, -1);
+ if (! warc_res)
+ return WARC_ERR;
+
+ /* warc_write_resource_record has also closed warc_tmp. */
+ }
+
+ if (con->cmd & DO_LIST)
/* This is a directory listing file. */
{
if (!opt.remove_listing)
/* --dont-remove-listing was specified, so do count this towards the
number of bytes and files downloaded. */
{
- total_downloaded_bytes += len;
- opt.numurls++;
+ total_downloaded_bytes += qtyread;
+ numurls++;
}
/* Deletion of listing files is not controlled by --delete-after, but
downloaded if they're going to be deleted. People seeding proxies,
for instance, may want to know how many bytes and files they've
downloaded through it. */
- total_downloaded_bytes += len;
- opt.numurls++;
+ total_downloaded_bytes += qtyread;
+ numurls++;
- if (opt.delete_after)
+ if (opt.delete_after && !input_file_url (opt.input_filename))
{
DEBUGP (("\
Removing file due to --delete-after in ftp_loop_internal():\n"));
con->cmd |= LEAVE_PENDING;
else
con->cmd &= ~LEAVE_PENDING;
+
+ if (local_file)
+ *local_file = xstrdup (locf);
+
return RETROK;
} while (!opt.ntry || (count < opt.ntry));
/* Find the listing file name. We do it by taking the file name of
the URL and replacing the last component with the listing file
name. */
- uf = url_file_name (u);
+ uf = url_file_name (u, NULL);
lf = file_merge (uf, LIST_FILENAME);
xfree (uf);
DEBUGP ((_("Using %s as listing tmp file.\n"), quote (lf)));
- con->target = lf;
- err = ftp_loop_internal (u, NULL, con);
+ con->target = xstrdup (lf);
+ xfree (lf);
+ err = ftp_loop_internal (u, NULL, con, NULL);
+ lf = xstrdup (con->target);
+ xfree (con->target);
con->target = old_target;
if (err == RETROK)
struct fileinfo *orig;
wgint local_size;
time_t tml;
- bool dlthis;
+ bool dlthis; /* Download this (file). */
+ const char *actual_target = NULL;
/* Increase the depth. */
++depth;
ofile = xstrdup (u->file);
url_set_file (u, f->name);
- con->target = url_file_name (u);
+ con->target = url_file_name (u, NULL);
err = RETROK;
dlthis = true;
else /* opt.retr_symlinks */
{
if (dlthis)
- err = ftp_loop_internal (u, f, con);
+ err = ftp_loop_internal (u, f, con, NULL);
} /* opt.retr_symlinks */
break;
case FT_DIRECTORY:
case FT_PLAINFILE:
/* Call the retrieve loop. */
if (dlthis)
- err = ftp_loop_internal (u, f, con);
+ err = ftp_loop_internal (u, f, con, NULL);
break;
case FT_UNKNOWN:
logprintf (LOG_NOTQUIET, _("%s: unknown/unsupported file type.\n"),
break;
} /* switch */
+
+ /* 2004-12-15 SMS.
+ * Set permissions _before_ setting the times, as setting the
+ * permissions changes the modified-time, at least on VMS.
+ * Also, use the opt.output_document name here, too, as
+ * appropriate. (Do the test once, and save the result.)
+ */
+
+ set_local_file (&actual_target, con->target);
+
+ /* If downloading a plain file, and the user requested it, then
+ set valid (non-zero) permissions. */
+ if (dlthis && (actual_target != NULL) &&
+ (f->type == FT_PLAINFILE) && opt.preserve_perm)
+ {
+ if (f->perms)
+ chmod (actual_target, f->perms);
+ else
+ DEBUGP (("Unrecognized permissions for %s.\n", actual_target));
+ }
+
/* Set the time-stamp information to the local file. Symlinks
are not to be stamped because it sets the stamp on the
original. :( */
- if (!(f->type == FT_SYMLINK && !opt.retr_symlinks)
- && f->tstamp != -1
- && dlthis
- && file_exists_p (con->target))
+ if (actual_target != NULL)
{
- /* #### This code repeats in http.c and ftp.c. Move it to a
- function! */
- const char *fl = NULL;
- if (opt.output_document)
+ if (opt.useservertimestamps
+ && !(f->type == FT_SYMLINK && !opt.retr_symlinks)
+ && f->tstamp != -1
+ && dlthis
+ && file_exists_p (con->target))
{
- if (output_stream_regular)
- fl = opt.output_document;
+ touch (actual_target, f->tstamp);
}
- else
- fl = con->target;
- if (fl)
- touch (fl, f->tstamp);
- }
- else if (f->tstamp == -1)
- logprintf (LOG_NOTQUIET, _("%s: corrupt time-stamp.\n"), con->target);
-
- if (f->perms && f->type == FT_PLAINFILE && dlthis)
- {
- if (opt.preserve_perm)
- chmod (con->target, f->perms);
+ else if (f->tstamp == -1)
+ logprintf (LOG_NOTQUIET, _("%s: corrupt time-stamp.\n"),
+ actual_target);
}
- else
- DEBUGP (("Unrecognized permissions for %s.\n", con->target));
xfree (con->target);
con->target = old_target;
xfree (ofile);
/* Break on fatals. */
- if (err == QUOTEXC || err == HOSTERR || err == FWRITEERR)
+ if (err == QUOTEXC || err == HOSTERR || err == FWRITEERR
+ || err == WARC_ERR || err == WARC_TMP_FOPENERR
+ || err == WARC_TMP_FWRITEERR)
break;
con->cmd &= ~ (DO_CWD | DO_LOGIN);
f = f->next;
if (matchres == -1)
{
logprintf (LOG_NOTQUIET, _("Error matching %s against %s: %s\n"),
- u->file, quotearg_style (escape_quoting_style, f->name),
+ u->file, quotearg_style (escape_quoting_style, f->name),
strerror (errno));
break;
}
}
else if (action == GLOB_GETONE)
{
+#ifdef __VMS
+ /* 2009-09-09 SMS.
+ * Odd-ball compiler ("HP C V7.3-009 on OpenVMS Alpha V7.3-2")
+ * bug causes spurious %CC-E-BADCONDIT complaint with this
+ * "?:" statement. (Different linkage attributes for strcmp()
+ * and strcasecmp().) Converting to "if" changes the
+ * complaint to %CC-W-PTRMISMATCH on "cmp = strcmp;". Adding
+ * the senseless type cast clears the complaint, and looks
+ * harmless.
+ */
+ int (*cmp) (const char *, const char *)
+ = opt.ignore_case ? strcasecmp : (int (*)())strcmp;
+#else /* def __VMS */
int (*cmp) (const char *, const char *)
= opt.ignore_case ? strcasecmp : strcmp;
+#endif /* def __VMS [else] */
f = start;
while (f)
{
if (start)
{
/* Just get everything. */
- ftp_retrieve_list (u, start, con);
+ res = ftp_retrieve_list (u, start, con);
}
else
{
logprintf (LOG_VERBOSE, _("No matches on pattern %s.\n"),
quote (u->file));
}
- else /* GLOB_GETONE or GLOB_GETALL */
+ else if (action == GLOB_GETONE) /* GLOB_GETONE or GLOB_GETALL */
{
/* Let's try retrieving it anyway. */
con->st |= ON_YOUR_OWN;
- res = ftp_loop_internal (u, NULL, con);
+ res = ftp_loop_internal (u, NULL, con, NULL);
return res;
}
+
+ /* If action == GLOB_GETALL, and the file list is empty, there's
+ no point in trying to download anything or in complaining about
+ it. (An empty directory should not cause complaints.)
+ */
}
freefileinfo (start);
if (opt.quota && total_downloaded_bytes > opt.quota)
return QUOTEXC;
else
- /* #### Should we return `res' here? */
- return RETROK;
+ return res;
}
/* The wrapper that calls an appropriate routine according to contents
of URL. Inherently, its capabilities are limited on what can be
encoded into a URL. */
uerr_t
-ftp_loop (struct url *u, int *dt, struct url *proxy, bool recursive, bool glob)
+ftp_loop (struct url *u, char **local_file, int *dt, struct url *proxy,
+ bool recursive, bool glob)
{
ccon con; /* FTP connection */
uerr_t res;
char *filename = (opt.output_document
? xstrdup (opt.output_document)
: (con.target ? xstrdup (con.target)
- : url_file_name (u)));
+ : url_file_name (u, NULL)));
res = ftp_index (filename, u, f);
if (res == FTPOK && opt.verbose)
{
file_part = u->path;
ispattern = has_wildcards_p (file_part);
}
- if (ispattern || recursive || opt.timestamping)
+ if (ispattern || recursive || opt.timestamping || opt.preserve_perm)
{
/* ftp_retrieve_glob is a catch-all function that gets called
- if we need globbing, time-stamping or recursion. Its
- third argument is just what we really need. */
+ if we need globbing, time-stamping, recursion or preserve
+ permissions. Its third argument is just what we really need. */
res = ftp_retrieve_glob (u, &con,
ispattern ? GLOB_GLOBALL : GLOB_GETONE);
}
else
- res = ftp_loop_internal (u, NULL, &con);
+ res = ftp_loop_internal (u, NULL, &con, local_file);
}
if (res == FTPOK)
res = RETROK;
projects / wget / blobdiff