2 * scp.c - Scp (Secure Copy) client for PuTTY.
3 * Joris van Rantwijk, Simon Tatham
5 * This is mainly based on ssh-1.2.26/scp.c by Timo Rinne & Tatu Ylonen.
6 * They, in turn, used stuff from BSD rcp.
8 * (SGT, 2001-09-10: Joris van Rantwijk assures me that although
9 * this file as originally submitted was inspired by, and
10 * _structurally_ based on, ssh-1.2.26's scp.c, there wasn't any
11 * actual code duplicated, so the above comment shouldn't give rise
12 * to licensing issues.)
30 #define PUTTY_DO_GLOBALS
37 #define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
38 ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
39 #define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
40 ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
42 /* GUI Adaptation - Sept 2000 */
44 /* This is just a base value from which the main message numbers are
46 #define WM_APP_BASE 0x8000
48 /* These two pass a single character value in wParam. They represent
49 * the visible output from PSCP. */
50 #define WM_STD_OUT_CHAR ( WM_APP_BASE+400 )
51 #define WM_STD_ERR_CHAR ( WM_APP_BASE+401 )
53 /* These pass a transfer status update. WM_STATS_CHAR passes a single
54 * character in wParam, and is called repeatedly to pass the name of
55 * the file, terminated with "\n". WM_STATS_SIZE passes the size of
56 * the file being transferred in wParam. WM_STATS_ELAPSED is called
57 * to pass the elapsed time (in seconds) in wParam, and
58 * WM_STATS_PERCENT passes the percentage of the transfer which is
59 * complete, also in wParam. */
60 #define WM_STATS_CHAR ( WM_APP_BASE+402 )
61 #define WM_STATS_SIZE ( WM_APP_BASE+403 )
62 #define WM_STATS_PERCENT ( WM_APP_BASE+404 )
63 #define WM_STATS_ELAPSED ( WM_APP_BASE+405 )
65 /* These are used at the end of a run to pass an error code in
66 * wParam: zero means success, nonzero means failure. WM_RET_ERR_CNT
67 * is used after a copy, and WM_LS_RET_ERR_CNT is used after a file
69 #define WM_RET_ERR_CNT ( WM_APP_BASE+406 )
70 #define WM_LS_RET_ERR_CNT ( WM_APP_BASE+407 )
72 /* More transfer status update messages. WM_STATS_DONE passes the
73 * number of bytes sent so far in wParam. WM_STATS_ETA passes the
74 * estimated time to completion (in seconds). WM_STATS_RATEBS passes
75 * the average transfer rate (in bytes per second). */
76 #define WM_STATS_DONE ( WM_APP_BASE+408 )
77 #define WM_STATS_ETA ( WM_APP_BASE+409 )
78 #define WM_STATS_RATEBS ( WM_APP_BASE+410 )
81 static int verbose = 0;
82 static int recursive = 0;
83 static int preserve = 0;
84 static int targetshouldbedirectory = 0;
85 static int statistics = 1;
86 static int portnumber = 0;
87 static int prev_stats_len = 0;
88 static int scp_unsafe_mode = 0;
89 static char *password = NULL;
91 /* GUI Adaptation - Sept 2000 */
92 #define NAME_STR_MAX 2048
93 static char statname[NAME_STR_MAX + 1];
94 static unsigned long statsize = 0;
95 static unsigned long statdone = 0;
96 static unsigned long stateta = 0;
97 static unsigned long statratebs = 0;
98 static int statperct = 0;
99 static unsigned long statelapsed = 0;
100 static int gui_mode = 0;
101 static char *gui_hwnd = NULL;
102 static int using_sftp = 0;
104 static void source(char *src);
105 static void rsource(char *src);
106 static void sink(char *targ, char *src);
107 /* GUI Adaptation - Sept 2000 */
108 static void tell_char(FILE * stream, char c);
109 static void tell_str(FILE * stream, char *str);
110 static void tell_user(FILE * stream, char *fmt, ...);
111 static void gui_update_stats(char *name, unsigned long size,
112 int percentage, unsigned long elapsed,
113 unsigned long done, unsigned long eta,
114 unsigned long ratebs);
117 * The maximum amount of queued data we accept before we stop and
118 * wait for the server to process some.
120 #define MAX_SCP_BUFSIZE 16384
122 void ldisc_send(char *buf, int len, int interactive)
125 * This is only here because of the calls to ldisc_send(NULL,
126 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
127 * as an ldisc. So if we get called with any real data, I want
133 /* GUI Adaptation - Sept 2000 */
134 static void send_msg(HWND h, UINT message, WPARAM wParam)
136 while (!PostMessage(h, message, wParam, 0))
140 static void tell_char(FILE * stream, char c)
145 unsigned int msg_id = WM_STD_OUT_CHAR;
146 if (stream == stderr)
147 msg_id = WM_STD_ERR_CHAR;
148 send_msg((HWND) atoi(gui_hwnd), msg_id, (WPARAM) c);
152 static void tell_str(FILE * stream, char *str)
156 for (i = 0; i < strlen(str); ++i)
157 tell_char(stream, str[i]);
160 static void tell_user(FILE * stream, char *fmt, ...)
162 char str[0x100]; /* Make the size big enough */
165 vsprintf(str, fmt, ap);
168 tell_str(stream, str);
171 static void gui_update_stats(char *name, unsigned long size,
172 int percentage, unsigned long elapsed,
173 unsigned long done, unsigned long eta,
174 unsigned long ratebs)
178 if (strcmp(name, statname) != 0) {
179 for (i = 0; i < strlen(name); ++i)
180 send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR,
182 send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM) '\n');
183 strcpy(statname, name);
185 if (statsize != size) {
186 send_msg((HWND) atoi(gui_hwnd), WM_STATS_SIZE, (WPARAM) size);
189 if (statdone != done) {
190 send_msg((HWND) atoi(gui_hwnd), WM_STATS_DONE, (WPARAM) done);
193 if (stateta != eta) {
194 send_msg((HWND) atoi(gui_hwnd), WM_STATS_ETA, (WPARAM) eta);
197 if (statratebs != ratebs) {
198 send_msg((HWND) atoi(gui_hwnd), WM_STATS_RATEBS, (WPARAM) ratebs);
201 if (statelapsed != elapsed) {
202 send_msg((HWND) atoi(gui_hwnd), WM_STATS_ELAPSED,
204 statelapsed = elapsed;
206 if (statperct != percentage) {
207 send_msg((HWND) atoi(gui_hwnd), WM_STATS_PERCENT,
208 (WPARAM) percentage);
209 statperct = percentage;
214 * Print an error message and perform a fatal exit.
216 void fatalbox(char *fmt, ...)
218 char str[0x100]; /* Make the size big enough */
221 strcpy(str, "Fatal: ");
222 vsprintf(str + strlen(str), fmt, ap);
225 tell_str(stderr, str);
229 unsigned int msg_id = WM_RET_ERR_CNT;
231 msg_id = WM_LS_RET_ERR_CNT;
233 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
234 0 /*lParam */ ))SleepEx(1000, TRUE);
239 void connection_fatal(char *fmt, ...)
241 char str[0x100]; /* Make the size big enough */
244 strcpy(str, "Fatal: ");
245 vsprintf(str + strlen(str), fmt, ap);
248 tell_str(stderr, str);
252 unsigned int msg_id = WM_RET_ERR_CNT;
254 msg_id = WM_LS_RET_ERR_CNT;
256 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
257 0 /*lParam */ ))SleepEx(1000, TRUE);
264 * Be told what socket we're supposed to be using.
266 static SOCKET scp_ssh_socket;
267 char *do_select(SOCKET skt, int startup)
270 scp_ssh_socket = skt;
272 scp_ssh_socket = INVALID_SOCKET;
275 extern int select_result(WPARAM, LPARAM);
278 * Receive a block of data from the SSH link. Block until all data
281 * To do this, we repeatedly call the SSH protocol module, with our
282 * own trap in from_backend() to catch the data that comes back. We
283 * do this until we have enough data.
286 static unsigned char *outptr; /* where to put the data */
287 static unsigned outlen; /* how much data required */
288 static unsigned char *pending = NULL; /* any spare data */
289 static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */
290 int from_backend(int is_stderr, char *data, int datalen)
292 unsigned char *p = (unsigned char *) data;
293 unsigned len = (unsigned) datalen;
298 * stderr data is just spouted to local stderr and otherwise
302 fwrite(data, 1, len, stderr);
307 * If this is before the real session begins, just return.
313 unsigned used = outlen;
316 memcpy(outptr, p, used);
324 if (pendsize < pendlen + len) {
325 pendsize = pendlen + len + 4096;
326 pending = (pending ? srealloc(pending, pendsize) :
329 fatalbox("Out of memory");
331 memcpy(pending + pendlen, p, len);
337 static int scp_process_network_event(void)
342 FD_SET(scp_ssh_socket, &readfds);
343 if (select(1, &readfds, NULL, NULL, NULL) < 0)
345 select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
348 static int ssh_scp_recv(unsigned char *buf, int len)
354 * See if the pending-input block contains some of what we
358 unsigned pendused = pendlen;
359 if (pendused > outlen)
361 memcpy(outptr, pending, pendused);
362 memmove(pending, pending + pendused, pendlen - pendused);
376 if (!scp_process_network_event())
384 * Loop through the ssh connection and authentication process.
386 static void ssh_scp_init(void)
388 if (scp_ssh_socket == INVALID_SOCKET)
390 while (!back->sendok()) {
393 FD_SET(scp_ssh_socket, &readfds);
394 if (select(1, &readfds, NULL, NULL, NULL) < 0)
396 select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
398 using_sftp = !ssh_fallback_cmd;
402 * Print an error message and exit after closing the SSH link.
404 static void bump(char *fmt, ...)
406 char str[0x100]; /* Make the size big enough */
409 strcpy(str, "Fatal: ");
410 vsprintf(str + strlen(str), fmt, ap);
413 tell_str(stderr, str);
416 if (back != NULL && back->socket() != NULL) {
418 back->special(TS_EOF);
419 ssh_scp_recv(&ch, 1);
423 unsigned int msg_id = WM_RET_ERR_CNT;
425 msg_id = WM_LS_RET_ERR_CNT;
427 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
428 0 /*lParam */ ))SleepEx(1000, TRUE);
435 * Open an SSH connection to user@host and execute cmd.
437 static void do_cmd(char *host, char *user, char *cmd)
439 char *err, *realhost;
442 if (host == NULL || host[0] == '\0')
443 bump("Empty host name");
445 /* Try to load settings for this host */
446 do_defaults(host, &cfg);
447 if (cfg.host[0] == '\0') {
448 /* No settings for this host; use defaults */
449 do_defaults(NULL, &cfg);
450 strncpy(cfg.host, host, sizeof(cfg.host) - 1);
451 cfg.host[sizeof(cfg.host) - 1] = '\0';
456 * Trim leading whitespace off the hostname if it's there.
459 int space = strspn(cfg.host, " \t");
460 memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);
463 /* See if host is of the form user@host */
464 if (cfg.host[0] != '\0') {
465 char *atsign = strchr(cfg.host, '@');
466 /* Make sure we're not overflowing the user field */
468 if (atsign - cfg.host < sizeof cfg.username) {
469 strncpy(cfg.username, cfg.host, atsign - cfg.host);
470 cfg.username[atsign - cfg.host] = '\0';
472 memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));
477 * Trim a colon suffix off the hostname if it's there.
479 cfg.host[strcspn(cfg.host, ":")] = '\0';
482 if (user != NULL && user[0] != '\0') {
483 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
484 cfg.username[sizeof(cfg.username) - 1] = '\0';
485 } else if (cfg.username[0] == '\0') {
487 if (GetUserName(user, &namelen) == FALSE)
488 bump("Empty user name");
489 user = smalloc(namelen * sizeof(char));
490 GetUserName(user, &namelen);
492 tell_user(stderr, "Guessing user name: %s", user);
493 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
494 cfg.username[sizeof(cfg.username) - 1] = '\0';
498 if (cfg.protocol != PROT_SSH)
502 cfg.port = portnumber;
505 * Disable scary things which shouldn't be enabled for simple
506 * things like SCP and SFTP: agent forwarding, port forwarding,
511 cfg.portfwd[0] = cfg.portfwd[1] = '\0';
514 * Attempt to start the SFTP subsystem as a first choice,
515 * falling back to the provided scp command if that fails.
517 strcpy(cfg.remote_cmd, "sftp");
518 cfg.ssh_subsys = TRUE;
519 cfg.remote_cmd_ptr2 = cmd;
520 cfg.ssh_subsys2 = FALSE;
525 err = back->init(cfg.host, cfg.port, &realhost, 0);
527 bump("ssh_init: %s", err);
529 if (verbose && realhost != NULL)
530 tell_user(stderr, "Connected to %s\n", realhost);
535 * Update statistic information about current file.
537 static void print_stats(char *name, unsigned long size, unsigned long done,
538 time_t start, time_t now)
547 elap = (unsigned long) difftime(now, start);
550 ratebs = (float) done / elap;
552 ratebs = (float) done;
557 eta = (unsigned long) ((size - done) / ratebs);
558 sprintf(etastr, "%02ld:%02ld:%02ld",
559 eta / 3600, (eta % 3600) / 60, eta % 60);
561 pct = (int) (100 * (done * 1.0 / size));
564 /* GUI Adaptation - Sept 2000 */
565 gui_update_stats(name, size, pct, elap, done, eta,
566 (unsigned long) ratebs);
568 len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
569 name, done / 1024, ratebs / 1024.0, etastr, pct);
570 if (len < prev_stats_len)
571 printf("%*s", prev_stats_len - len, "");
572 prev_stats_len = len;
580 * Find a colon in str and return a pointer to the colon.
581 * This is used to separate hostname from filename.
583 static char *colon(char *str)
585 /* We ignore a leading colon, since the hostname cannot be
586 empty. We also ignore a colon as second character because
587 of filenames like f:myfile.txt. */
588 if (str[0] == '\0' || str[0] == ':' || str[1] == ':')
590 while (*str != '\0' && *str != ':' && *str != '/' && *str != '\\')
599 * Return a pointer to the portion of str that comes after the last
600 * slash (or backslash or colon, if `local' is TRUE).
602 static char *stripslashes(char *str, int local)
607 p = strchr(str, ':');
611 p = strrchr(str, '/');
615 p = strrchr(str, '\\');
623 * Determine whether a string is entirely composed of dots.
625 static int is_dots(char *str)
627 return str[strspn(str, ".")] == '\0';
631 * Wait for a response from the other side.
632 * Return 0 if ok, -1 if error.
634 static int response(void)
636 char ch, resp, rbuf[2048];
639 if (ssh_scp_recv(&resp, 1) <= 0)
640 bump("Lost connection");
650 case 2: /* fatal error */
652 if (ssh_scp_recv(&ch, 1) <= 0)
653 bump("Protocol error: Lost connection");
655 } while (p < sizeof(rbuf) && ch != '\n');
658 tell_user(stderr, "%s\n", rbuf);
666 int sftp_recvdata(char *buf, int len)
668 return ssh_scp_recv(buf, len);
670 int sftp_senddata(char *buf, int len)
672 back->send((unsigned char *) buf, len);
676 /* ----------------------------------------------------------------------
677 * sftp-based replacement for the hacky `pscp -ls'.
679 static int sftp_ls_compare(const void *av, const void *bv)
681 const struct fxp_name *a = (const struct fxp_name *) av;
682 const struct fxp_name *b = (const struct fxp_name *) bv;
683 return strcmp(a->filename, b->filename);
685 void scp_sftp_listdir(char *dirname)
687 struct fxp_handle *dirh;
688 struct fxp_names *names;
689 struct fxp_name *ournames;
690 int nnames, namesize;
693 printf("Listing directory %s\n", dirname);
695 dirh = fxp_opendir(dirname);
697 printf("Unable to open %s: %s\n", dirname, fxp_error());
699 nnames = namesize = 0;
704 names = fxp_readdir(dirh);
706 if (fxp_error_type() == SSH_FX_EOF)
708 printf("Reading directory %s: %s\n", dirname, fxp_error());
711 if (names->nnames == 0) {
712 fxp_free_names(names);
716 if (nnames + names->nnames >= namesize) {
717 namesize += names->nnames + 128;
719 srealloc(ournames, namesize * sizeof(*ournames));
722 for (i = 0; i < names->nnames; i++)
723 ournames[nnames++] = names->names[i];
725 names->nnames = 0; /* prevent free_names */
726 fxp_free_names(names);
731 * Now we have our filenames. Sort them by actual file
732 * name, and then output the longname parts.
734 qsort(ournames, nnames, sizeof(*ournames), sftp_ls_compare);
739 for (i = 0; i < nnames; i++)
740 printf("%s\n", ournames[i].longname);
744 /* ----------------------------------------------------------------------
745 * Helper routines that contain the actual SCP protocol elements,
746 * implemented both as SCP1 and SFTP.
749 static struct scp_sftp_dirstack {
750 struct scp_sftp_dirstack *next;
751 struct fxp_name *names;
752 int namepos, namelen;
755 int matched_something; /* wildcard match set was non-empty */
756 } *scp_sftp_dirstack_head;
757 static char *scp_sftp_remotepath, *scp_sftp_currentname;
758 static char *scp_sftp_wildcard;
759 static int scp_sftp_targetisdir, scp_sftp_donethistarget;
760 static int scp_sftp_preserve, scp_sftp_recursive;
761 static unsigned long scp_sftp_mtime, scp_sftp_atime;
762 static int scp_has_times;
763 static struct fxp_handle *scp_sftp_filehandle;
764 static uint64 scp_sftp_fileoffset;
766 void scp_source_setup(char *target, int shouldbedir)
770 * Find out whether the target filespec is in fact a
773 struct fxp_attrs attrs;
776 tell_user(stderr, "unable to initialise SFTP: %s", fxp_error());
781 if (!fxp_stat(target, &attrs) ||
782 !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS))
783 scp_sftp_targetisdir = 0;
785 scp_sftp_targetisdir = (attrs.permissions & 0040000) != 0;
787 if (shouldbedir && !scp_sftp_targetisdir) {
788 bump("pscp: remote filespec %s: not a directory\n", target);
791 scp_sftp_remotepath = dupstr(target);
799 int scp_send_errmsg(char *str)
802 /* do nothing; we never need to send our errors to the server */
804 back->send("\001", 1); /* scp protocol error prefix */
805 back->send(str, strlen(str));
807 return 0; /* can't fail */
810 int scp_send_filetimes(unsigned long mtime, unsigned long atime)
813 scp_sftp_mtime = mtime;
814 scp_sftp_atime = atime;
819 sprintf(buf, "T%lu 0 %lu 0\n", mtime, atime);
820 back->send(buf, strlen(buf));
825 int scp_send_filename(char *name, unsigned long size, int modes)
829 if (scp_sftp_targetisdir) {
830 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
832 fullname = dupstr(scp_sftp_remotepath);
834 scp_sftp_filehandle =
835 fxp_open(fullname, SSH_FXF_WRITE | SSH_FXF_CREAT | SSH_FXF_TRUNC);
836 if (!scp_sftp_filehandle) {
837 tell_user(stderr, "pscp: unable to open %s: %s",
838 fullname, fxp_error());
842 scp_sftp_fileoffset = uint64_make(0, 0);
847 sprintf(buf, "C%04o %lu ", modes, size);
848 back->send(buf, strlen(buf));
849 back->send(name, strlen(name));
855 int scp_send_filedata(char *data, int len)
858 if (!scp_sftp_filehandle) {
861 if (!fxp_write(scp_sftp_filehandle, data, scp_sftp_fileoffset, len)) {
862 tell_user(stderr, "error while writing: %s\n", fxp_error());
866 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, len);
869 int bufsize = back->send(data, len);
872 * If the network transfer is backing up - that is, the
873 * remote site is not accepting data as fast as we can
874 * produce it - then we must loop on network events until
875 * we have space in the buffer again.
877 while (bufsize > MAX_SCP_BUFSIZE) {
878 if (!scp_process_network_event())
880 bufsize = back->sendbuffer();
887 int scp_send_finish(void)
890 struct fxp_attrs attrs;
891 if (!scp_sftp_filehandle) {
895 attrs.flags = SSH_FILEXFER_ATTR_ACMODTIME;
896 attrs.atime = scp_sftp_atime;
897 attrs.mtime = scp_sftp_mtime;
898 if (!fxp_fsetstat(scp_sftp_filehandle, attrs)) {
899 tell_user(stderr, "unable to set file times: %s\n", fxp_error());
903 fxp_close(scp_sftp_filehandle);
912 char *scp_save_remotepath(void)
915 return scp_sftp_remotepath;
920 void scp_restore_remotepath(char *data)
923 scp_sftp_remotepath = data;
926 int scp_send_dirname(char *name, int modes)
931 struct fxp_attrs attrs;
932 if (scp_sftp_targetisdir) {
933 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
935 fullname = dupstr(scp_sftp_remotepath);
939 * We don't worry about whether we managed to create the
940 * directory, because if it exists already it's OK just to
941 * use it. Instead, we will stat it afterwards, and if it
942 * exists and is a directory we will assume we were either
943 * successful or it didn't matter.
945 if (!fxp_mkdir(fullname))
948 err = "server reported no error";
949 if (!fxp_stat(fullname, &attrs) ||
950 !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) ||
951 !(attrs.permissions & 0040000)) {
952 tell_user(stderr, "unable to create directory %s: %s",
958 scp_sftp_remotepath = fullname;
963 sprintf(buf, "D%04o 0 ", modes);
964 back->send(buf, strlen(buf));
965 back->send(name, strlen(name));
971 int scp_send_enddir(void)
974 sfree(scp_sftp_remotepath);
977 back->send("E\n", 2);
983 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
984 * That's bad. The difference is that scp_sink_setup is called once
985 * right at the start, whereas scp_sink_init is called to
986 * initialise every level of recursion in the protocol.
988 int scp_sink_setup(char *source, int preserve, int recursive)
994 tell_user(stderr, "unable to initialise SFTP: %s", fxp_error());
999 * It's possible that the source string we've been given
1000 * contains a wildcard. If so, we must split the directory
1001 * away from the wildcard itself (throwing an error if any
1002 * wildcardness comes before the final slash) and arrange
1003 * things so that a dirstack entry will be set up.
1005 newsource = smalloc(1+strlen(source));
1006 if (!wc_unescape(newsource, source)) {
1007 /* Yes, here we go; it's a wildcard. Bah. */
1008 char *dupsource, *lastpart, *dirpart, *wildcard;
1009 dupsource = dupstr(source);
1010 lastpart = stripslashes(dupsource, 0);
1011 wildcard = dupstr(lastpart);
1013 if (*dupsource && dupsource[1]) {
1015 * The remains of dupsource are at least two
1016 * characters long, meaning the pathname wasn't
1017 * empty or just `/'. Hence, we remove the trailing
1020 lastpart[-1] = '\0';
1021 } else if (!*dupsource) {
1023 * The remains of dupsource are _empty_ - the whole
1024 * pathname was a wildcard. Hence we need to
1025 * replace it with ".".
1028 dupsource = dupstr(".");
1032 * Now we have separated our string into dupsource (the
1033 * directory part) and wildcard. Both of these will
1034 * need freeing at some point. Next step is to remove
1035 * wildcard escapes from the directory part, throwing
1036 * an error if it contains a real wildcard.
1038 dirpart = smalloc(1+strlen(dupsource));
1039 if (!wc_unescape(dirpart, dupsource)) {
1040 tell_user(stderr, "%s: multiple-level wildcards unsupported",
1050 * Now we have dirpart (unescaped, ie a valid remote
1051 * path), and wildcard (a wildcard). This will be
1052 * sufficient to arrange a dirstack entry.
1054 scp_sftp_remotepath = dirpart;
1055 scp_sftp_wildcard = wildcard;
1058 scp_sftp_remotepath = newsource;
1059 scp_sftp_wildcard = NULL;
1061 scp_sftp_preserve = preserve;
1062 scp_sftp_recursive = recursive;
1063 scp_sftp_donethistarget = 0;
1064 scp_sftp_dirstack_head = NULL;
1069 int scp_sink_init(void)
1077 #define SCP_SINK_FILE 1
1078 #define SCP_SINK_DIR 2
1079 #define SCP_SINK_ENDDIR 3
1080 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1081 struct scp_sink_action {
1082 int action; /* FILE, DIR, ENDDIR */
1083 char *buf; /* will need freeing after use */
1084 char *name; /* filename or dirname (not ENDDIR) */
1085 int mode; /* access mode (not ENDDIR) */
1086 unsigned long size; /* file size (not ENDDIR) */
1087 int settime; /* 1 if atime and mtime are filled */
1088 unsigned long atime, mtime; /* access times for the file */
1091 int scp_get_sink_action(struct scp_sink_action *act)
1095 int must_free_fname;
1096 struct fxp_attrs attrs;
1099 if (!scp_sftp_dirstack_head) {
1100 if (!scp_sftp_donethistarget) {
1102 * Simple case: we are only dealing with one file.
1104 fname = scp_sftp_remotepath;
1105 must_free_fname = 0;
1106 scp_sftp_donethistarget = 1;
1109 * Even simpler case: one file _which we've done_.
1110 * Return 1 (finished).
1116 * We're now in the middle of stepping through a list
1117 * of names returned from fxp_readdir(); so let's carry
1120 struct scp_sftp_dirstack *head = scp_sftp_dirstack_head;
1121 while (head->namepos < head->namelen &&
1122 (is_dots(head->names[head->namepos].filename) ||
1124 !wc_match(head->wildcard,
1125 head->names[head->namepos].filename))))
1126 head->namepos++; /* skip . and .. */
1127 if (head->namepos < head->namelen) {
1128 head->matched_something = 1;
1129 fname = dupcat(head->dirpath, "/",
1130 head->names[head->namepos++].filename,
1132 must_free_fname = 1;
1135 * We've come to the end of the list; pop it off
1136 * the stack and return an ENDDIR action (or RETRY
1137 * if this was a wildcard match).
1139 if (head->wildcard) {
1140 act->action = SCP_SINK_RETRY;
1141 if (!head->matched_something) {
1142 tell_user(stderr, "pscp: wildcard '%s' matched "
1143 "no files", head->wildcard);
1146 sfree(head->wildcard);
1149 act->action = SCP_SINK_ENDDIR;
1152 sfree(head->dirpath);
1154 scp_sftp_dirstack_head = head->next;
1162 * Now we have a filename. Stat it, and see if it's a file
1165 ret = fxp_stat(fname, &attrs);
1166 if (!ret || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
1167 tell_user(stderr, "unable to identify %s: %s", fname,
1168 ret ? "file type not supplied" : fxp_error());
1173 if (attrs.permissions & 0040000) {
1174 struct scp_sftp_dirstack *newitem;
1175 struct fxp_handle *dirhandle;
1176 int nnames, namesize;
1177 struct fxp_name *ournames;
1178 struct fxp_names *names;
1181 * It's a directory. If we're not in recursive mode,
1182 * this merits a complaint (which is fatal if the name
1183 * was specified directly, but not if it was matched by
1186 * We skip this complaint completely if
1187 * scp_sftp_wildcard is set, because that's an
1188 * indication that we're not actually supposed to
1189 * _recursively_ transfer the dir, just scan it for
1190 * things matching the wildcard.
1192 if (!scp_sftp_recursive && !scp_sftp_wildcard) {
1193 tell_user(stderr, "pscp: %s: is a directory", fname);
1195 if (must_free_fname) sfree(fname);
1196 if (scp_sftp_dirstack_head) {
1197 act->action = SCP_SINK_RETRY;
1205 * Otherwise, the fun begins. We must fxp_opendir() the
1206 * directory, slurp the filenames into memory, return
1207 * SCP_SINK_DIR (unless this is a wildcard match), and
1208 * set targetisdir. The next time we're called, we will
1209 * run through the list of filenames one by one,
1210 * matching them against a wildcard if present.
1212 * If targetisdir is _already_ set (meaning we're
1213 * already in the middle of going through another such
1214 * list), we must push the other (target,namelist) pair
1217 dirhandle = fxp_opendir(fname);
1219 tell_user(stderr, "scp: unable to open directory %s: %s",
1220 fname, fxp_error());
1221 if (must_free_fname) sfree(fname);
1225 nnames = namesize = 0;
1230 names = fxp_readdir(dirhandle);
1231 if (names == NULL) {
1232 if (fxp_error_type() == SSH_FX_EOF)
1234 tell_user(stderr, "scp: reading directory %s: %s\n",
1235 fname, fxp_error());
1236 if (must_free_fname) sfree(fname);
1241 if (names->nnames == 0) {
1242 fxp_free_names(names);
1245 if (nnames + names->nnames >= namesize) {
1246 namesize += names->nnames + 128;
1248 srealloc(ournames, namesize * sizeof(*ournames));
1250 for (i = 0; i < names->nnames; i++)
1251 ournames[nnames++] = names->names[i];
1252 names->nnames = 0; /* prevent free_names */
1253 fxp_free_names(names);
1255 fxp_close(dirhandle);
1257 newitem = smalloc(sizeof(struct scp_sftp_dirstack));
1258 newitem->next = scp_sftp_dirstack_head;
1259 newitem->names = ournames;
1260 newitem->namepos = 0;
1261 newitem->namelen = nnames;
1262 if (must_free_fname)
1263 newitem->dirpath = fname;
1265 newitem->dirpath = dupstr(fname);
1266 if (scp_sftp_wildcard) {
1267 newitem->wildcard = scp_sftp_wildcard;
1268 newitem->matched_something = 0;
1269 scp_sftp_wildcard = NULL;
1271 newitem->wildcard = NULL;
1273 scp_sftp_dirstack_head = newitem;
1275 if (newitem->wildcard) {
1276 act->action = SCP_SINK_RETRY;
1278 act->action = SCP_SINK_DIR;
1279 act->buf = dupstr(stripslashes(fname, 0));
1280 act->name = act->buf;
1281 act->size = 0; /* duhh, it's a directory */
1282 act->mode = 07777 & attrs.permissions;
1283 if (scp_sftp_preserve &&
1284 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1285 act->atime = attrs.atime;
1286 act->mtime = attrs.mtime;
1295 * It's a file. Return SCP_SINK_FILE.
1297 act->action = SCP_SINK_FILE;
1298 act->buf = dupstr(stripslashes(fname, 0));
1299 act->name = act->buf;
1300 if (attrs.flags & SSH_FILEXFER_ATTR_SIZE) {
1301 if (uint64_compare(attrs.size,
1302 uint64_make(0, ULONG_MAX)) > 0) {
1303 act->size = ULONG_MAX; /* *boggle* */
1305 act->size = attrs.size.lo;
1307 act->size = ULONG_MAX; /* no idea */
1308 act->mode = 07777 & attrs.permissions;
1309 if (scp_sftp_preserve &&
1310 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1311 act->atime = attrs.atime;
1312 act->mtime = attrs.mtime;
1316 if (must_free_fname)
1317 scp_sftp_currentname = fname;
1319 scp_sftp_currentname = dupstr(fname);
1334 if (ssh_scp_recv(&ch, 1) <= 0)
1337 bump("Protocol error: Unexpected newline");
1341 if (ssh_scp_recv(&ch, 1) <= 0)
1342 bump("Lost connection");
1345 act->buf = srealloc(act->buf, bufsize);
1348 } while (ch != '\n');
1349 act->buf[i - 1] = '\0';
1351 case '\01': /* error */
1352 tell_user(stderr, "%s\n", act->buf);
1354 continue; /* go round again */
1355 case '\02': /* fatal error */
1356 bump("%s", act->buf);
1359 act->action = SCP_SINK_ENDDIR;
1362 if (sscanf(act->buf, "%ld %*d %ld %*d",
1363 &act->mtime, &act->atime) == 2) {
1366 continue; /* go round again */
1368 bump("Protocol error: Illegal time format");
1371 act->action = (action == 'C' ? SCP_SINK_FILE : SCP_SINK_DIR);
1374 bump("Protocol error: Expected control record");
1377 * We will go round this loop only once, unless we hit
1384 * If we get here, we must have seen SCP_SINK_FILE or
1387 if (sscanf(act->buf, "%o %lu %n", &act->mode, &act->size, &i) != 2)
1388 bump("Protocol error: Illegal file descriptor format");
1389 act->name = act->buf + i;
1394 int scp_accept_filexfer(void)
1397 scp_sftp_filehandle =
1398 fxp_open(scp_sftp_currentname, SSH_FXF_READ);
1399 if (!scp_sftp_filehandle) {
1400 tell_user(stderr, "pscp: unable to open %s: %s",
1401 scp_sftp_currentname, fxp_error());
1405 scp_sftp_fileoffset = uint64_make(0, 0);
1406 sfree(scp_sftp_currentname);
1410 return 0; /* can't fail */
1414 int scp_recv_filedata(char *data, int len)
1417 int actuallen = fxp_read(scp_sftp_filehandle, data,
1418 scp_sftp_fileoffset, len);
1419 if (actuallen == -1 && fxp_error_type() != SSH_FX_EOF) {
1420 tell_user(stderr, "pscp: error while reading: %s", fxp_error());
1427 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, actuallen);
1431 return ssh_scp_recv(data, len);
1435 int scp_finish_filerecv(void)
1438 fxp_close(scp_sftp_filehandle);
1446 /* ----------------------------------------------------------------------
1447 * Send an error message to the other side and to the screen.
1448 * Increment error counter.
1450 static void run_err(const char *fmt, ...)
1456 strcpy(str, "scp: ");
1457 vsprintf(str + strlen(str), fmt, ap);
1459 scp_send_errmsg(str);
1460 tell_user(stderr, "%s", str);
1465 * Execute the source part of the SCP protocol.
1467 static void source(char *src)
1474 unsigned long stat_bytes;
1475 time_t stat_starttime, stat_lasttime;
1477 attr = GetFileAttributes(src);
1478 if (attr == (DWORD) - 1) {
1479 run_err("%s: No such file or directory", src);
1483 if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
1486 * Avoid . and .. directories.
1489 p = strrchr(src, '/');
1491 p = strrchr(src, '\\');
1496 if (!strcmp(p, ".") || !strcmp(p, ".."))
1497 /* skip . and .. */ ;
1501 run_err("%s: not a regular file", src);
1506 if ((last = strrchr(src, '/')) == NULL)
1510 if (strrchr(last, '\\') != NULL)
1511 last = strrchr(last, '\\') + 1;
1512 if (last == src && strchr(src, ':') != NULL)
1513 last = strchr(src, ':') + 1;
1515 f = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, NULL,
1516 OPEN_EXISTING, 0, 0);
1517 if (f == INVALID_HANDLE_VALUE) {
1518 run_err("%s: Cannot open file", src);
1523 FILETIME actime, wrtime;
1524 unsigned long mtime, atime;
1525 GetFileTime(f, NULL, &actime, &wrtime);
1526 TIME_WIN_TO_POSIX(actime, atime);
1527 TIME_WIN_TO_POSIX(wrtime, mtime);
1528 if (scp_send_filetimes(mtime, atime))
1532 size = GetFileSize(f, NULL);
1534 tell_user(stderr, "Sending file %s, size=%lu", last, size);
1535 if (scp_send_filename(last, size, 0644))
1539 stat_starttime = time(NULL);
1542 for (i = 0; i < size; i += 4096) {
1543 char transbuf[4096];
1548 if (!ReadFile(f, transbuf, k, &j, NULL) || j != k) {
1551 bump("%s: Read error", src);
1553 if (scp_send_filedata(transbuf, k))
1554 bump("%s: Network error occurred", src);
1558 if (time(NULL) != stat_lasttime || i + k == size) {
1559 stat_lasttime = time(NULL);
1560 print_stats(last, size, stat_bytes,
1561 stat_starttime, stat_lasttime);
1568 (void) scp_send_finish();
1572 * Recursively send the contents of a directory.
1574 static void rsource(char *src)
1576 char *last, *findfile;
1579 WIN32_FIND_DATA fdat;
1582 if ((last = strrchr(src, '/')) == NULL)
1586 if (strrchr(last, '\\') != NULL)
1587 last = strrchr(last, '\\') + 1;
1588 if (last == src && strchr(src, ':') != NULL)
1589 last = strchr(src, ':') + 1;
1591 /* maybe send filetime */
1593 save_target = scp_save_remotepath();
1596 tell_user(stderr, "Entering directory: %s", last);
1597 if (scp_send_dirname(last, 0755))
1600 findfile = dupcat(src, "/*", NULL);
1601 dir = FindFirstFile(findfile, &fdat);
1602 ok = (dir != INVALID_HANDLE_VALUE);
1604 if (strcmp(fdat.cFileName, ".") == 0 ||
1605 strcmp(fdat.cFileName, "..") == 0) {
1606 /* ignore . and .. */
1608 char *foundfile = dupcat(src, "/", fdat.cFileName, NULL);
1612 ok = FindNextFile(dir, &fdat);
1617 (void) scp_send_enddir();
1619 scp_restore_remotepath(save_target);
1623 * Execute the sink part of the SCP protocol.
1625 static void sink(char *targ, char *src)
1632 unsigned long received;
1634 unsigned long stat_bytes;
1635 time_t stat_starttime, stat_lasttime;
1638 attr = GetFileAttributes(targ);
1639 if (attr != (DWORD) - 1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
1642 if (targetshouldbedirectory && !targisdir)
1643 bump("%s: Not a directory", targ);
1647 struct scp_sink_action act;
1648 if (scp_get_sink_action(&act))
1651 if (act.action == SCP_SINK_ENDDIR)
1654 if (act.action == SCP_SINK_RETRY)
1659 * Prevent the remote side from maliciously writing to
1660 * files outside the target area by sending a filename
1661 * containing `../'. In fact, it shouldn't be sending
1662 * filenames with any slashes or colons in at all; so
1663 * we'll find the last slash, backslash or colon in the
1664 * filename and use only the part after that. (And
1667 * In addition, we also ensure here that if we're
1668 * copying a single file and the target is a directory
1669 * (common usage: `pscp host:filename .') the remote
1670 * can't send us a _different_ file name. We can
1671 * distinguish this case because `src' will be non-NULL
1672 * and the last component of that will fail to match
1673 * (the last component of) the name sent.
1675 * Well, not always; if `src' is a wildcard, we do
1676 * expect to get back filenames that don't correspond
1677 * exactly to it. Ideally in this case, we would like
1678 * to ensure that the returned filename actually
1679 * matches the wildcard pattern - but one of SCP's
1680 * protocol infelicities is that wildcard matching is
1681 * done at the server end _by the server's rules_ and
1682 * so in general this is infeasible. Hence, we only
1683 * accept filenames that don't correspond to `src' if
1684 * unsafe mode is enabled or we are using SFTP (which
1685 * resolves remote wildcards on the client side and can
1688 char *striptarget, *stripsrc;
1690 striptarget = stripslashes(act.name, 1);
1691 if (striptarget != act.name) {
1692 tell_user(stderr, "warning: remote host sent a compound"
1693 " pathname '%s'", act.name);
1694 tell_user(stderr, " renaming local file to '%s'",
1699 * Also check to see if the target filename is '.' or
1700 * '..', or indeed '...' and so on because Windows
1701 * appears to interpret those like '..'.
1703 if (is_dots(striptarget)) {
1704 bump("security violation: remote host attempted to write to"
1705 " a '.' or '..' path!");
1709 stripsrc = stripslashes(src, 1);
1710 if (strcmp(striptarget, stripsrc) &&
1711 !using_sftp && !scp_unsafe_mode) {
1712 tell_user(stderr, "warning: remote host tried to write "
1713 "to a file called '%s'", striptarget);
1714 tell_user(stderr, " when we requested a file "
1715 "called '%s'.", stripsrc);
1716 tell_user(stderr, " If this is a wildcard, "
1717 "consider upgrading to SSH 2 or using");
1718 tell_user(stderr, " the '-unsafe' option. Renaming"
1719 " of this file has been disallowed.");
1720 /* Override the name the server provided with our own. */
1721 striptarget = stripsrc;
1725 if (targ[0] != '\0')
1726 destfname = dupcat(targ, "\\", striptarget, NULL);
1728 destfname = dupstr(striptarget);
1731 * In this branch of the if, the target area is a
1732 * single file with an explicitly specified name in any
1733 * case, so there's no danger.
1735 destfname = dupstr(targ);
1737 attr = GetFileAttributes(destfname);
1738 exists = (attr != (DWORD) - 1);
1740 if (act.action == SCP_SINK_DIR) {
1741 if (exists && (attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
1742 run_err("%s: Not a directory", destfname);
1746 if (!CreateDirectory(destfname, NULL)) {
1747 run_err("%s: Cannot create directory", destfname);
1751 sink(destfname, NULL);
1752 /* can we set the timestamp for directories ? */
1756 f = CreateFile(destfname, GENERIC_WRITE, 0, NULL,
1757 CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
1758 if (f == INVALID_HANDLE_VALUE) {
1759 run_err("%s: Cannot create file", destfname);
1763 if (scp_accept_filexfer())
1767 stat_starttime = time(NULL);
1769 stat_name = stripslashes(destfname, 1);
1772 while (received < act.size) {
1773 char transbuf[4096];
1774 DWORD blksize, read, written;
1776 if (blksize > act.size - received)
1777 blksize = act.size - received;
1778 read = scp_recv_filedata(transbuf, blksize);
1780 bump("Lost connection");
1783 if (!WriteFile(f, transbuf, read, &written, NULL) ||
1786 /* FIXME: in sftp we can actually abort the transfer */
1788 printf("\r%-25.25s | %50s\n",
1790 "Write error.. waiting for end of file");
1795 if (time(NULL) > stat_lasttime ||
1796 received + read == act.size) {
1797 stat_lasttime = time(NULL);
1798 print_stats(stat_name, act.size, stat_bytes,
1799 stat_starttime, stat_lasttime);
1805 FILETIME actime, wrtime;
1806 TIME_POSIX_TO_WIN(act.atime, actime);
1807 TIME_POSIX_TO_WIN(act.mtime, wrtime);
1808 SetFileTime(f, NULL, &actime, &wrtime);
1813 run_err("%s: Write error", destfname);
1816 (void) scp_finish_filerecv();
1823 * We will copy local files to a remote server.
1825 static void toremote(int argc, char *argv[])
1827 char *src, *targ, *host, *user;
1831 targ = argv[argc - 1];
1833 /* Separate host from filename */
1837 bump("targ == NULL in toremote()");
1841 /* Substitute "." for emtpy target */
1843 /* Separate host and username */
1845 host = strrchr(host, '@');
1856 /* Find out if the source filespec covers multiple files
1857 if so, we should set the targetshouldbedirectory flag */
1859 WIN32_FIND_DATA fdat;
1860 if (colon(argv[0]) != NULL)
1861 bump("%s: Remote to remote not supported", argv[0]);
1862 fh = FindFirstFile(argv[0], &fdat);
1863 if (fh == INVALID_HANDLE_VALUE)
1864 bump("%s: No such file or directory\n", argv[0]);
1865 if (FindNextFile(fh, &fdat))
1866 targetshouldbedirectory = 1;
1870 cmd = smalloc(strlen(targ) + 100);
1871 sprintf(cmd, "scp%s%s%s%s -t %s",
1872 verbose ? " -v" : "",
1873 recursive ? " -r" : "",
1874 preserve ? " -p" : "",
1875 targetshouldbedirectory ? " -d" : "", targ);
1876 do_cmd(host, user, cmd);
1879 scp_source_setup(targ, targetshouldbedirectory);
1881 for (i = 0; i < argc - 1; i++) {
1882 char *srcpath, *last;
1884 WIN32_FIND_DATA fdat;
1886 if (colon(src) != NULL) {
1887 tell_user(stderr, "%s: Remote to remote not supported\n", src);
1893 * Trim off the last pathname component of `src', to
1894 * provide the base pathname which will be prepended to
1895 * filenames returned from Find{First,Next}File.
1897 srcpath = dupstr(src);
1898 last = stripslashes(srcpath, 1);
1901 dir = FindFirstFile(src, &fdat);
1902 if (dir == INVALID_HANDLE_VALUE) {
1903 run_err("%s: No such file or directory", src);
1909 * Ensure that . and .. are never matched by wildcards,
1910 * but only by deliberate action.
1912 if (!strcmp(fdat.cFileName, ".") ||
1913 !strcmp(fdat.cFileName, "..")) {
1915 * Find*File has returned a special dir. We require
1916 * that _either_ `src' ends in a backslash followed
1917 * by that string, _or_ `src' is precisely that
1920 int len = strlen(src), dlen = strlen(fdat.cFileName);
1921 if (len == dlen && !strcmp(src, fdat.cFileName)) {
1923 } else if (len > dlen + 1 && src[len - dlen - 1] == '\\' &&
1924 !strcmp(src + len - dlen, fdat.cFileName)) {
1927 continue; /* ignore this one */
1929 filename = dupcat(srcpath, fdat.cFileName, NULL);
1932 } while (FindNextFile(dir, &fdat));
1939 * We will copy files from a remote server to the local machine.
1941 static void tolocal(int argc, char *argv[])
1943 char *src, *targ, *host, *user;
1947 bump("More than one remote source not supported");
1952 /* Separate host from filename */
1956 bump("Local to local copy not supported");
1960 /* Substitute "." for empty filename */
1962 /* Separate username and hostname */
1964 host = strrchr(host, '@');
1974 cmd = smalloc(strlen(src) + 100);
1975 sprintf(cmd, "scp%s%s%s%s -f %s",
1976 verbose ? " -v" : "",
1977 recursive ? " -r" : "",
1978 preserve ? " -p" : "",
1979 targetshouldbedirectory ? " -d" : "", src);
1980 do_cmd(host, user, cmd);
1983 if (scp_sink_setup(src, preserve, recursive))
1990 * We will issue a list command to get a remote directory.
1992 static void get_dir_list(int argc, char *argv[])
1994 char *src, *host, *user;
2000 /* Separate host from filename */
2004 bump("Local to local copy not supported");
2008 /* Substitute "." for empty filename */
2010 /* Separate username and hostname */
2012 host = strrchr(host, '@');
2022 cmd = smalloc(4 * strlen(src) + 100);
2023 strcpy(cmd, "ls -la '");
2024 p = cmd + strlen(cmd);
2025 for (q = src; *q; q++) {
2038 do_cmd(host, user, cmd);
2042 scp_sftp_listdir(src);
2044 while (ssh_scp_recv(&c, 1) > 0)
2045 tell_char(stdout, c);
2050 * Initialize the Win$ock driver.
2052 static void init_winsock(void)
2057 winsock_ver = MAKEWORD(1, 1);
2058 if (WSAStartup(winsock_ver, &wsadata))
2059 bump("Unable to initialise WinSock");
2060 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1)
2061 bump("WinSock version is incompatible with 1.1");
2065 * Short description of parameters.
2067 static void usage(void)
2069 printf("PuTTY Secure Copy client\n");
2070 printf("%s\n", ver);
2071 printf("Usage: pscp [options] [user@]host:source target\n");
2073 (" pscp [options] source [source...] [user@]host:target\n");
2074 printf(" pscp [options] -ls user@host:filespec\n");
2075 printf("Options:\n");
2076 printf(" -p preserve file attributes\n");
2077 printf(" -q quiet, don't show statistics\n");
2078 printf(" -r copy directories recursively\n");
2079 printf(" -v show verbose messages\n");
2080 printf(" -P port connect to specified port\n");
2081 printf(" -pw passw login with specified password\n");
2082 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2085 * -gui is an internal option, used by GUI front ends to get
2086 * pscp to pass progress reports back to them. It's not an
2087 * ordinary user-accessible option, so it shouldn't be part of
2088 * the command-line help. The only people who need to know
2089 * about it are programmers, and they can read the source.
2092 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2098 * Main program (no, really?)
2100 int main(int argc, char *argv[])
2104 default_protocol = PROT_TELNET;
2106 flags = FLAG_STDERR;
2107 ssh_get_line = &console_get_line;
2111 for (i = 1; i < argc; i++) {
2112 if (argv[i][0] != '-')
2114 if (strcmp(argv[i], "-v") == 0)
2115 verbose = 1, flags |= FLAG_VERBOSE;
2116 else if (strcmp(argv[i], "-r") == 0)
2118 else if (strcmp(argv[i], "-p") == 0)
2120 else if (strcmp(argv[i], "-q") == 0)
2122 else if (strcmp(argv[i], "-batch") == 0)
2123 console_batch_mode = 1;
2124 else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0)
2126 else if (strcmp(argv[i], "-P") == 0 && i + 1 < argc)
2127 portnumber = atoi(argv[++i]);
2128 else if (strcmp(argv[i], "-pw") == 0 && i + 1 < argc)
2129 console_password = argv[++i];
2130 else if (strcmp(argv[i], "-gui") == 0 && i + 1 < argc) {
2131 gui_hwnd = argv[++i];
2133 console_batch_mode = TRUE;
2134 } else if (strcmp(argv[i], "-ls") == 0)
2136 else if (strcmp(argv[i], "-unsafe") == 0)
2137 scp_unsafe_mode = 1;
2138 else if (strcmp(argv[i], "--") == 0) {
2151 get_dir_list(argc, argv);
2158 targetshouldbedirectory = 1;
2160 if (colon(argv[argc - 1]) != NULL)
2161 toremote(argc, argv);
2163 tolocal(argc, argv);
2166 if (back != NULL && back->socket() != NULL) {
2168 back->special(TS_EOF);
2169 ssh_scp_recv(&ch, 1);
2174 /* GUI Adaptation - August 2000 */
2176 unsigned int msg_id = WM_RET_ERR_CNT;
2178 msg_id = WM_LS_RET_ERR_CNT;
2180 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
2181 0 /*lParam */ ))SleepEx(1000, TRUE);
2183 return (errs == 0 ? 0 : 1);