* (SGT, 2001-09-10: Joris van Rantwijk assures me that although
 * this file as originally submitted was inspired by, and
 * _structurally_ based on, ssh-1.2.26's scp.c, there wasn't any
 * actual code duplicated, so the above comment shouldn't give rise
 * to licensing issues.)
 */

#include <windows.h>
#ifndef AUTO_WINSOCK
#ifdef WINSOCK_TWO
#include <winsock2.h>
#else
#include <winsock.h>
#endif
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <time.h>
#include <assert.h>

#define PUTTY_DO_GLOBALS
#include "putty.h"
#include "ssh.h"
#include "sftp.h"
#include "winstuff.h"
#include "storage.h"

#define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
	((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
#define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
	((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))

/* GUI Adaptation - Sept 2000 */

/* This is just a base value from which the main message numbers are
 * derived. */
#define   WM_APP_BASE		0x8000

/* These two pass a single character value in wParam. They represent
 * the visible output from PSCP. */
#define   WM_STD_OUT_CHAR	( WM_APP_BASE+400 )
#define   WM_STD_ERR_CHAR	( WM_APP_BASE+401 )

/* These pass a transfer status update. WM_STATS_CHAR passes a single
 * character in wParam, and is called repeatedly to pass the name of
 * the file, terminated with "\n". WM_STATS_SIZE passes the size of
 * the file being transferred in wParam. WM_STATS_ELAPSED is called
 * to pass the elapsed time (in seconds) in wParam, and
 * WM_STATS_PERCENT passes the percentage of the transfer which is
 * complete, also in wParam. */
#define   WM_STATS_CHAR		( WM_APP_BASE+402 )
#define   WM_STATS_SIZE 	( WM_APP_BASE+403 )
#define   WM_STATS_PERCENT	( WM_APP_BASE+404 )
#define   WM_STATS_ELAPSED	( WM_APP_BASE+405 )

/* These are used at the end of a run to pass an error code in
 * wParam: zero means success, nonzero means failure. WM_RET_ERR_CNT
 * is used after a copy, and WM_LS_RET_ERR_CNT is used after a file
 * list operation. */
#define   WM_RET_ERR_CNT	( WM_APP_BASE+406 )
#define   WM_LS_RET_ERR_CNT	( WM_APP_BASE+407 )

/* More transfer status update messages. WM_STATS_DONE passes the
 * number of bytes sent so far in wParam. WM_STATS_ETA passes the
 * estimated time to completion (in seconds). WM_STATS_RATEBS passes
 * the average transfer rate (in bytes per second). */
#define   WM_STATS_DONE		( WM_APP_BASE+408 )
#define   WM_STATS_ETA		( WM_APP_BASE+409 )
#define   WM_STATS_RATEBS	( WM_APP_BASE+410 )

static int list = 0;
static int verbose = 0;
static int recursive = 0;
static int preserve = 0;
static int targetshouldbedirectory = 0;
static int statistics = 1;
static int prev_stats_len = 0;
static int scp_unsafe_mode = 0;
static int errs = 0;
/* GUI Adaptation - Sept 2000 */
#define NAME_STR_MAX 2048
static char statname[NAME_STR_MAX + 1];
static unsigned long statsize = 0;
static unsigned long statdone = 0;
static unsigned long stateta = 0;
static unsigned long statratebs = 0;
static int statperct = 0;
static unsigned long statelapsed = 0;
static int gui_mode = 0;
static char *gui_hwnd = NULL;
static int using_sftp = 0;

static Backend *back;
static void *backhandle;
static Config cfg;

static void source(char *src);
static void rsource(char *src);
static void sink(char *targ, char *src);
/* GUI Adaptation - Sept 2000 */
static void tell_char(FILE * stream, char c);
static void tell_str(FILE * stream, char *str);
static void tell_user(FILE * stream, char *fmt, ...);
static void gui_update_stats(char *name, unsigned long size,
			     int percentage, unsigned long elapsed, 
			     unsigned long done, unsigned long eta,
			     unsigned long ratebs);

/*
 * The maximum amount of queued data we accept before we stop and
 * wait for the server to process some.
 */
#define MAX_SCP_BUFSIZE 16384

void ldisc_send(void *handle, char *buf, int len, int interactive)
{
    /*
     * This is only here because of the calls to ldisc_send(NULL,
     * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
     * as an ldisc. So if we get called with any real data, I want
     * to know about it.
     */
    assert(len == 0);
}

/* GUI Adaptation - Sept 2000 */
static void send_msg(HWND h, UINT message, WPARAM wParam)
{
    while (!PostMessage(h, message, wParam, 0))
	SleepEx(1000, TRUE);
}

static void tell_char(FILE * stream, char c)
{
    if (!gui_mode)
	fputc(c, stream);
    else {
	unsigned int msg_id = WM_STD_OUT_CHAR;
	if (stream == stderr)
	    msg_id = WM_STD_ERR_CHAR;
	send_msg((HWND) atoi(gui_hwnd), msg_id, (WPARAM) c);
    }
}

static void tell_str(FILE * stream, char *str)
{
    unsigned int i;

    for (i = 0; i < strlen(str); ++i)

    va_end(ap);
    str2 = dupcat(str, "\n", NULL);
    sfree(str);
    tell_str(stream, str2);
    sfree(str2);
}

static void gui_update_stats(char *name, unsigned long size,
			     int percentage, unsigned long elapsed,
			     unsigned long done, unsigned long eta,
			     unsigned long ratebs)
{
    unsigned int i;

    if (strcmp(name, statname) != 0) {
	for (i = 0; i < strlen(name); ++i)
	    send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR,
		     (WPARAM) name[i]);
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM) '\n');
	strcpy(statname, name);
    }
    if (statsize != size) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_SIZE, (WPARAM) size);
	statsize = size;
    }
    if (statdone != done) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_DONE, (WPARAM) done);
	statdone = done;
    }
    if (stateta != eta) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_ETA, (WPARAM) eta);
	stateta = eta;
    }
    if (statratebs != ratebs) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_RATEBS, (WPARAM) ratebs);
	statratebs = ratebs;
    }
    if (statelapsed != elapsed) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_ELAPSED,
		 (WPARAM) elapsed);
	statelapsed = elapsed;
    }
    if (statperct != percentage) {
	send_msg((HWND) atoi(gui_hwnd), WM_STATS_PERCENT,
		 (WPARAM) percentage);
	statperct = percentage;
    }
}

/*
 *  Print an error message and perform a fatal exit.
 */
void fatalbox(char *fmt, ...)
{
    char *str, *str2;
    va_list ap;
    va_start(ap, fmt);
    str = dupvprintf(fmt, ap);
    str2 = dupcat("Fatal: ", str, "\n", NULL);
    sfree(str);
    va_end(ap);
    tell_str(stderr, str2);
    sfree(str2);
    errs++;

    if (gui_mode) {
	unsigned int msg_id = WM_RET_ERR_CNT;
	if (list)
	    msg_id = WM_LS_RET_ERR_CNT;
	while (!PostMessage
	       ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
		0 /*lParam */ ))SleepEx(1000, TRUE);
    }

    cleanup_exit(1);
}
void modalfatalbox(char *fmt, ...)
{
    char *str, *str2;
    va_list ap;
    va_start(ap, fmt);
    str = dupvprintf(fmt, ap);
    str2 = dupcat("Fatal: ", str, "\n", NULL);
    sfree(str);
    va_end(ap);
    tell_str(stderr, str2);
    sfree(str2);
    errs++;

    if (gui_mode) {
	unsigned int msg_id = WM_RET_ERR_CNT;
	if (list)
	    msg_id = WM_LS_RET_ERR_CNT;
	while (!PostMessage
	       ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
		0 /*lParam */ ))SleepEx(1000, TRUE);
    }

    cleanup_exit(1);
}
void connection_fatal(void *frontend, char *fmt, ...)
{
    char *str, *str2;
    va_list ap;
    va_start(ap, fmt);
    str = dupvprintf(fmt, ap);
    str2 = dupcat("Fatal: ", str, "\n", NULL);
    sfree(str);
    va_end(ap);
    tell_str(stderr, str2);
    sfree(str2);
    errs++;

    if (gui_mode) {
	unsigned int msg_id = WM_RET_ERR_CNT;
	if (list)
	    msg_id = WM_LS_RET_ERR_CNT;
	while (!PostMessage
	       ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
		0 /*lParam */ ))SleepEx(1000, TRUE);
    }

    cleanup_exit(1);
}

/*
 * Be told what socket we're supposed to be using.
 */
static SOCKET scp_ssh_socket;
char *do_select(SOCKET skt, int startup)
{
    if (startup)
	scp_ssh_socket = skt;
    else
	scp_ssh_socket = INVALID_SOCKET;
    return NULL;
}
extern int select_result(WPARAM, LPARAM);

/*
 * In pscp, all agent requests should be synchronous, so this is a
 * never-called stub.
 */
void agent_schedule_callback(void (*callback)(void *, void *, int),
			     void *callback_ctx, void *data, int len)
{

	}
	memcpy(pending + pendlen, p, len);
	pendlen += len;
    }

    return 0;
}
static int scp_process_network_event(void)
{
    fd_set readfds;

    FD_ZERO(&readfds);
    FD_SET(scp_ssh_socket, &readfds);
    if (select(1, &readfds, NULL, NULL, NULL) < 0)
	return 0;		       /* doom */
    select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
    return 1;
}
static int ssh_scp_recv(unsigned char *buf, int len)
{
    outptr = buf;
    outlen = len;

    /*
     * See if the pending-input block contains some of what we

	    pending = NULL;
	}
	if (outlen == 0)
	    return len;
    }

    while (outlen > 0) {
	if (!scp_process_network_event())
	    return 0;		       /* doom */
    }

    return len;
}

/*
 * Loop through the ssh connection and authentication process.
 */
static void ssh_scp_init(void)
{
    if (scp_ssh_socket == INVALID_SOCKET)
	return;
    while (!back->sendok(backhandle)) {
	fd_set readfds;
	FD_ZERO(&readfds);
	FD_SET(scp_ssh_socket, &readfds);
	if (select(1, &readfds, NULL, NULL, NULL) < 0)
	    return;		       /* doom */
	select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
    }
    using_sftp = !ssh_fallback_cmd(backhandle);
    if (verbose) {
	if (using_sftp)
	    tell_user(stderr, "Using SFTP");
	else
	    tell_user(stderr, "Using SCP1");

    if (back != NULL && back->socket(backhandle) != NULL) {
	char ch;
	back->special(backhandle, TS_EOF);
	ssh_scp_recv(&ch, 1);
    }

    if (gui_mode) {
	unsigned int msg_id = WM_RET_ERR_CNT;
	if (list)
	    msg_id = WM_LS_RET_ERR_CNT;
	while (!PostMessage
	       ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
		0 /*lParam */ ))SleepEx(1000, TRUE);
    }

    cleanup_exit(1);
}

/*
 *  Open an SSH connection to user@host and execute cmd.
 */
static void do_cmd(char *host, char *user, char *cmd)
{
    const char *err;
    char *realhost;
    DWORD namelen;

    if (host == NULL || host[0] == '\0')
	bump("Empty host name");

    /* Try to load settings for this host */
    do_defaults(host, &cfg);
    if (cfg.host[0] == '\0') {

    }

    /* Set username */
    if (user != NULL && user[0] != '\0') {
	strncpy(cfg.username, user, sizeof(cfg.username) - 1);
	cfg.username[sizeof(cfg.username) - 1] = '\0';
    } else if (cfg.username[0] == '\0') {
	namelen = 0;
	if (GetUserName(user, &namelen) == FALSE)
	    bump("Empty user name");
	user = snewn(namelen, char);
	GetUserName(user, &namelen);
	if (verbose)
	    tell_user(stderr, "Guessing user name: %s", user);
	strncpy(cfg.username, user, sizeof(cfg.username) - 1);
	cfg.username[sizeof(cfg.username) - 1] = '\0';
	free(user);

    }

    /*
     * Disable scary things which shouldn't be enabled for simple
     * things like SCP and SFTP: agent forwarding, port forwarding,
     * X forwarding.
     */

    else
	eta = (unsigned long) ((size - done) / ratebs);
    sprintf(etastr, "%02ld:%02ld:%02ld",
	    eta / 3600, (eta % 3600) / 60, eta % 60);

    pct = (int) (100 * (done * 1.0 / size));

    if (gui_mode)
	/* GUI Adaptation - Sept 2000 */
	gui_update_stats(name, size, pct, elap, done, eta, 
			 (unsigned long) ratebs);
    else {
	len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
		     name, done / 1024, ratebs / 1024.0, etastr, pct);
	if (len < prev_stats_len)
	    printf("%*s", prev_stats_len - len, "");
	prev_stats_len = len;

	if (done == size)

	/*
	 * If the network transfer is backing up - that is, the
	 * remote site is not accepting data as fast as we can
	 * produce it - then we must loop on network events until
	 * we have space in the buffer again.
	 */
	while (bufsize > MAX_SCP_BUFSIZE) {
	    if (!scp_process_network_event())
		return 1;
	    bufsize = back->sendbuffer(backhandle);
	}

	return 0;
    }
}

/*
 *  Execute the source part of the SCP protocol.
 */
static void source(char *src)
{
    unsigned long size;

    char *last;
    HANDLE f;
    DWORD attr;
    unsigned long i;
    unsigned long stat_bytes;
    time_t stat_starttime, stat_lasttime;

    attr = GetFileAttributes(src);
    if (attr == (DWORD) - 1) {

	run_err("%s: No such file or directory", src);

	return;
    }

    if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
	if (recursive) {
	    /*
	     * Avoid . and .. directories.
	     */
	    char *p;
	    p = strrchr(src, '/');
	    if (!p)

    else
	last++;
    if (strrchr(last, '\\') != NULL)
	last = strrchr(last, '\\') + 1;
    if (last == src && strchr(src, ':') != NULL)
	last = strchr(src, ':') + 1;

    f = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, NULL,
		   OPEN_EXISTING, 0, 0);
    if (f == INVALID_HANDLE_VALUE) {
	run_err("%s: Cannot open file", src);
	return;
    }

    if (preserve) {
	FILETIME actime, wrtime;
	unsigned long mtime, atime;
	GetFileTime(f, NULL, &actime, &wrtime);
	TIME_WIN_TO_POSIX(actime, atime);
	TIME_WIN_TO_POSIX(wrtime, mtime);
	if (scp_send_filetimes(mtime, atime))
	    return;
    }

    size = GetFileSize(f, NULL);
    if (verbose)
	tell_user(stderr, "Sending file %s, size=%lu", last, size);
    if (scp_send_filename(last, size, 0644))
	return;

    stat_bytes = 0;
    stat_starttime = time(NULL);
    stat_lasttime = 0;

    for (i = 0; i < size; i += 4096) {
	char transbuf[4096];
	DWORD j, k = 4096;

	if (i + k > size)
	    k = size - i;
	if (!ReadFile(f, transbuf, k, &j, NULL) || j != k) {
	    if (statistics)
		printf("\n");
	    bump("%s: Read error", src);
	}
	if (scp_send_filedata(transbuf, k))
	    bump("%s: Network error occurred", src);

	if (statistics) {
	    stat_bytes += k;
	    if (time(NULL) != stat_lasttime || i + k == size) {
		stat_lasttime = time(NULL);
		print_stats(last, size, stat_bytes,
			    stat_starttime, stat_lasttime);
	    }
	}

    }
    CloseHandle(f);

    (void) scp_send_finish();
}

/*
 *  Recursively send the contents of a directory.
 */
static void rsource(char *src)
{
    char *last, *findfile;
    char *save_target;
    HANDLE dir;
    WIN32_FIND_DATA fdat;
    int ok;

    if ((last = strrchr(src, '/')) == NULL)
	last = src;
    else
	last++;
    if (strrchr(last, '\\') != NULL)
	last = strrchr(last, '\\') + 1;
    if (last == src && strchr(src, ':') != NULL)
	last = strchr(src, ':') + 1;

    /* maybe send filetime */

    save_target = scp_save_remotepath();

    if (verbose)
	tell_user(stderr, "Entering directory: %s", last);
    if (scp_send_dirname(last, 0755))
	return;

    findfile = dupcat(src, "/*", NULL);
    dir = FindFirstFile(findfile, &fdat);
    ok = (dir != INVALID_HANDLE_VALUE);

    while (ok) {
	if (strcmp(fdat.cFileName, ".") == 0 ||
	    strcmp(fdat.cFileName, "..") == 0) {
	    /* ignore . and .. */
	} else {
	    char *foundfile = dupcat(src, "/", fdat.cFileName, NULL);
	    source(foundfile);
	    sfree(foundfile);

	}
	ok = FindNextFile(dir, &fdat);
    }
    FindClose(dir);
    sfree(findfile);

    (void) scp_send_enddir();

    scp_restore_remotepath(save_target);
}

/*
 * Execute the sink part of the SCP protocol.
 */
static void sink(char *targ, char *src)
{
    char *destfname;
    int targisdir = 0;
    int exists;
    DWORD attr;
    HANDLE f;
    unsigned long received;
    int wrerror = 0;
    unsigned long stat_bytes;
    time_t stat_starttime, stat_lasttime;
    char *stat_name;

    attr = GetFileAttributes(targ);
    if (attr != (DWORD) - 1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
	targisdir = 1;

    if (targetshouldbedirectory && !targisdir)
	bump("%s: Not a directory", targ);

    scp_sink_init();
    while (1) {

	    /*
	     * In this branch of the if, the target area is a
	     * single file with an explicitly specified name in any
	     * case, so there's no danger.
	     */
	    destfname = dupstr(targ);
	}
	attr = GetFileAttributes(destfname);
	exists = (attr != (DWORD) - 1);

	if (act.action == SCP_SINK_DIR) {
	    if (exists && (attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
		run_err("%s: Not a directory", destfname);
		continue;
	    }
	    if (!exists) {
		if (!CreateDirectory(destfname, NULL)) {
		    run_err("%s: Cannot create directory", destfname);
		    continue;
		}
	    }
	    sink(destfname, NULL);
	    /* can we set the timestamp for directories ? */
	    continue;
	}

	f = CreateFile(destfname, GENERIC_WRITE, 0, NULL,
		       CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
	if (f == INVALID_HANDLE_VALUE) {
	    run_err("%s: Cannot create file", destfname);
	    continue;
	}

	if (scp_accept_filexfer())
	    return;

	stat_bytes = 0;
	stat_starttime = time(NULL);
	stat_lasttime = 0;
	stat_name = stripslashes(destfname, 1);

	received = 0;
	while (received < act.size) {
	    char transbuf[4096];
	    DWORD blksize, read, written;
	    blksize = 4096;
	    if (blksize > act.size - received)
		blksize = act.size - received;
	    read = scp_recv_filedata(transbuf, blksize);
	    if (read <= 0)
		bump("Lost connection");
	    if (wrerror)
		continue;
	    if (!WriteFile(f, transbuf, read, &written, NULL) ||
		written != read) {
		wrerror = 1;
		/* FIXME: in sftp we can actually abort the transfer */
		if (statistics)
		    printf("\r%-25.25s | %50s\n",
			   stat_name,
			   "Write error.. waiting for end of file");
		continue;
	    }
	    if (statistics) {
		stat_bytes += read;
		if (time(NULL) > stat_lasttime ||
		    received + read == act.size) {
		    stat_lasttime = time(NULL);
		    print_stats(stat_name, act.size, stat_bytes,
				stat_starttime, stat_lasttime);
		}
	    }
	    received += read;
	}
	if (act.settime) {
	    FILETIME actime, wrtime;
	    TIME_POSIX_TO_WIN(act.atime, actime);
	    TIME_POSIX_TO_WIN(act.mtime, wrtime);
	    SetFileTime(f, NULL, &actime, &wrtime);
	}

	CloseHandle(f);
	if (wrerror) {
	    run_err("%s: Write error", destfname);
	    continue;
	}
	(void) scp_finish_filerecv();
	sfree(destfname);
	sfree(act.buf);
    }
}

/*
 * We will copy local files to a remote server.
 */
static void toremote(int argc, char *argv[])
{
    char *src, *targ, *host, *user;
    char *cmd;
    int i;

    targ = argv[argc - 1];

    /* Separate host from filename */
    host = targ;
    targ = colon(targ);
    if (targ == NULL)

    } else {
	*host++ = '\0';
	if (*user == '\0')
	    user = NULL;
    }

    if (argc == 2) {
	/* Find out if the source filespec covers multiple files
	   if so, we should set the targetshouldbedirectory flag */
	HANDLE fh;
	WIN32_FIND_DATA fdat;
	if (colon(argv[0]) != NULL)
	    bump("%s: Remote to remote not supported", argv[0]);
	fh = FindFirstFile(argv[0], &fdat);

	if (fh == INVALID_HANDLE_VALUE)
	    bump("%s: No such file or directory\n", argv[0]);
	if (FindNextFile(fh, &fdat))
	    targetshouldbedirectory = 1;
	FindClose(fh);
    }

    cmd = dupprintf("scp%s%s%s%s -t %s",
		    verbose ? " -v" : "",
		    recursive ? " -r" : "",
		    preserve ? " -p" : "",
		    targetshouldbedirectory ? " -d" : "", targ);
    do_cmd(host, user, cmd);
    sfree(cmd);

    scp_source_setup(targ, targetshouldbedirectory);

    for (i = 0; i < argc - 1; i++) {
	char *srcpath, *last;
	HANDLE dir;
	WIN32_FIND_DATA fdat;
	src = argv[i];
	if (colon(src) != NULL) {
	    tell_user(stderr, "%s: Remote to remote not supported\n", src);
	    errs++;
	    continue;
	}

	/*
	 * Trim off the last pathname component of `src', to
	 * provide the base pathname which will be prepended to
	 * filenames returned from Find{First,Next}File.
	 */
	srcpath = dupstr(src);
	last = stripslashes(srcpath, 1);
	*last = '\0';

	dir = FindFirstFile(src, &fdat);
	if (dir == INVALID_HANDLE_VALUE) {
	    run_err("%s: No such file or directory", src);
	    continue;



	}
	do {

	    char *filename;
	    /*
	     * Ensure that . and .. are never matched by wildcards,
	     * but only by deliberate action.
	     */
	    if (!strcmp(fdat.cFileName, ".") ||
		!strcmp(fdat.cFileName, "..")) {
		/*
		 * Find*File has returned a special dir. We require
		 * that _either_ `src' ends in a backslash followed
		 * by that string, _or_ `src' is precisely that
		 * string.
		 */
		int len = strlen(src), dlen = strlen(fdat.cFileName);
		if (len == dlen && !strcmp(src, fdat.cFileName)) {
		    /* ok */ ;
		} else if (len > dlen + 1 && src[len - dlen - 1] == '\\' &&
			   !strcmp(src + len - dlen, fdat.cFileName)) {
		    /* ok */ ;
		} else

		    continue;	       /* ignore this one */
	    }
	    filename = dupcat(srcpath, fdat.cFileName, NULL);

	    source(filename);
	    sfree(filename);

	} while (FindNextFile(dir, &fdat));
	FindClose(dir);
	sfree(srcpath);


    }
}

/*
 *  We will copy files from a remote server to the local machine.
 */
static void tolocal(int argc, char *argv[])

	scp_sftp_listdir(src);
    } else {
	while (ssh_scp_recv(&c, 1) > 0)
	    tell_char(stdout, c);
    }
}

/*
 *  Initialize the Win$ock driver.
 */
static void init_winsock(void)
{
    WORD winsock_ver;
    WSADATA wsadata;

    winsock_ver = MAKEWORD(1, 1);
    if (WSAStartup(winsock_ver, &wsadata))
	bump("Unable to initialise WinSock");
    if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1)
	bump("WinSock version is incompatible with 1.1");
}

/*
 *  Short description of parameters.
 */
static void usage(void)
{
    printf("PuTTY Secure Copy client\n");
    printf("%s\n", ver);

    vfprintf(stderr, p, ap);
    va_end(ap);
    fprintf(stderr, "\n      try typing just \"pscp\" for help\n");
    exit(1);
}

/*
 *  Main program (no, really?)

 */
int main(int argc, char *argv[])
{
    int i;

    default_protocol = PROT_TELNET;

    flags = FLAG_STDERR | FLAG_SYNCAGENT;




    cmdline_tooltype = TOOLTYPE_FILETRANSFER;
    ssh_get_line = &console_get_line;
    init_winsock();
    sk_init();

    for (i = 1; i < argc; i++) {
	int ret;
	if (argv[i][0] != '-')
	    break;
	ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg);

	} else if (strcmp(argv[i], "-p") == 0) {
	    preserve = 1;
	} else if (strcmp(argv[i], "-q") == 0) {
	    statistics = 0;
	} else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0) {
	    usage();
	} else if (strcmp(argv[i], "-gui") == 0 && i + 1 < argc) {
	    gui_hwnd = argv[++i];
	    gui_mode = 1;
	    console_batch_mode = TRUE;
        } else if (strcmp(argv[i], "-ls") == 0) {
	    list = 1;
	} else if (strcmp(argv[i], "-batch") == 0) {
	    console_batch_mode = 1;
	} else if (strcmp(argv[i], "-unsafe") == 0) {

    }

    if (back != NULL && back->socket(backhandle) != NULL) {
	char ch;
	back->special(backhandle, TS_EOF);
	ssh_scp_recv(&ch, 1);
    }
    WSACleanup();
    random_save_seed();

    /* GUI Adaptation - August 2000 */
    if (gui_mode) {
	unsigned int msg_id = WM_RET_ERR_CNT;
	if (list)
	    msg_id = WM_LS_RET_ERR_CNT;
	while (!PostMessage
	       ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
		0 /*lParam */ ))SleepEx(1000, TRUE);
    }
    return (errs == 0 ? 0 : 1);
}

/* end */