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.)
22 #define PUTTY_DO_GLOBALS
30 static int verbose = 0;
31 static int recursive = 0;
32 static int preserve = 0;
33 static int targetshouldbedirectory = 0;
34 static int statistics = 1;
35 static int prev_stats_len = 0;
36 static int scp_unsafe_mode = 0;
38 static int gui_mode = 0;
39 static int using_sftp = 0;
42 static void *backhandle;
45 static void source(char *src);
46 static void rsource(char *src);
47 static void sink(char *targ, char *src);
50 * The maximum amount of queued data we accept before we stop and
51 * wait for the server to process some.
53 #define MAX_SCP_BUFSIZE 16384
55 void ldisc_send(void *handle, char *buf, int len, int interactive)
58 * This is only here because of the calls to ldisc_send(NULL,
59 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
60 * as an ldisc. So if we get called with any real data, I want
66 static void tell_char(FILE * stream, char c)
71 gui_send_char(stream == stderr, c);
74 static void tell_str(FILE * stream, char *str)
78 for (i = 0; i < strlen(str); ++i)
79 tell_char(stream, str[i]);
82 static void tell_user(FILE * stream, char *fmt, ...)
87 str = dupvprintf(fmt, ap);
89 str2 = dupcat(str, "\n", NULL);
91 tell_str(stream, str2);
96 * Print an error message and perform a fatal exit.
98 void fatalbox(char *fmt, ...)
103 str = dupvprintf(fmt, ap);
104 str2 = dupcat("Fatal: ", str, "\n", NULL);
107 tell_str(stderr, str2);
112 gui_send_errcount(list, errs);
116 void modalfatalbox(char *fmt, ...)
121 str = dupvprintf(fmt, ap);
122 str2 = dupcat("Fatal: ", str, "\n", NULL);
125 tell_str(stderr, str2);
130 gui_send_errcount(list, errs);
134 void connection_fatal(void *frontend, char *fmt, ...)
139 str = dupvprintf(fmt, ap);
140 str2 = dupcat("Fatal: ", str, "\n", NULL);
143 tell_str(stderr, str2);
148 gui_send_errcount(list, errs);
154 * In pscp, all agent requests should be synchronous, so this is a
157 void agent_schedule_callback(void (*callback)(void *, void *, int),
158 void *callback_ctx, void *data, int len)
160 assert(!"We shouldn't be here");
164 * Receive a block of data from the SSH link. Block until all data
167 * To do this, we repeatedly call the SSH protocol module, with our
168 * own trap in from_backend() to catch the data that comes back. We
169 * do this until we have enough data.
172 static unsigned char *outptr; /* where to put the data */
173 static unsigned outlen; /* how much data required */
174 static unsigned char *pending = NULL; /* any spare data */
175 static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */
176 int from_backend(void *frontend, int is_stderr, const char *data, int datalen)
178 unsigned char *p = (unsigned char *) data;
179 unsigned len = (unsigned) datalen;
184 * stderr data is just spouted to local stderr and otherwise
188 fwrite(data, 1, len, stderr);
193 * If this is before the real session begins, just return.
199 unsigned used = outlen;
202 memcpy(outptr, p, used);
210 if (pendsize < pendlen + len) {
211 pendsize = pendlen + len + 4096;
212 pending = sresize(pending, pendsize, unsigned char);
214 fatalbox("Out of memory");
216 memcpy(pending + pendlen, p, len);
222 static int ssh_scp_recv(unsigned char *buf, int len)
228 * See if the pending-input block contains some of what we
232 unsigned pendused = pendlen;
233 if (pendused > outlen)
235 memcpy(outptr, pending, pendused);
236 memmove(pending, pending + pendused, pendlen - pendused);
250 if (ssh_sftp_loop_iteration() < 0)
258 * Loop through the ssh connection and authentication process.
260 static void ssh_scp_init(void)
262 while (!back->sendok(backhandle)) {
263 if (ssh_sftp_loop_iteration() < 0)
266 using_sftp = !ssh_fallback_cmd(backhandle);
269 tell_user(stderr, "Using SFTP");
271 tell_user(stderr, "Using SCP1");
276 * Print an error message and exit after closing the SSH link.
278 static void bump(char *fmt, ...)
283 str = dupvprintf(fmt, ap);
285 str2 = dupcat(str, "\n", NULL);
287 tell_str(stderr, str2);
291 if (back != NULL && back->socket(backhandle) != NULL) {
293 back->special(backhandle, TS_EOF);
294 ssh_scp_recv(&ch, 1);
298 gui_send_errcount(list, errs);
304 * Open an SSH connection to user@host and execute cmd.
306 static void do_cmd(char *host, char *user, char *cmd)
312 if (host == NULL || host[0] == '\0')
313 bump("Empty host name");
315 /* Try to load settings for this host */
316 do_defaults(host, &cfg);
317 if (cfg.host[0] == '\0') {
318 /* No settings for this host; use defaults */
319 do_defaults(NULL, &cfg);
320 strncpy(cfg.host, host, sizeof(cfg.host) - 1);
321 cfg.host[sizeof(cfg.host) - 1] = '\0';
325 * Force use of SSH. (If they got the protocol wrong we assume the
326 * port is useless too.)
328 if (cfg.protocol != PROT_SSH) {
329 cfg.protocol = PROT_SSH;
334 * Enact command-line overrides.
336 cmdline_run_saved(&cfg);
339 * Trim leading whitespace off the hostname if it's there.
342 int space = strspn(cfg.host, " \t");
343 memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);
346 /* See if host is of the form user@host */
347 if (cfg.host[0] != '\0') {
348 char *atsign = strchr(cfg.host, '@');
349 /* Make sure we're not overflowing the user field */
351 if (atsign - cfg.host < sizeof cfg.username) {
352 strncpy(cfg.username, cfg.host, atsign - cfg.host);
353 cfg.username[atsign - cfg.host] = '\0';
355 memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));
360 * Trim a colon suffix off the hostname if it's there.
362 cfg.host[strcspn(cfg.host, ":")] = '\0';
365 * Remove any remaining whitespace from the hostname.
369 while (cfg.host[p2] != '\0') {
370 if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') {
371 cfg.host[p1] = cfg.host[p2];
380 if (user != NULL && user[0] != '\0') {
381 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
382 cfg.username[sizeof(cfg.username) - 1] = '\0';
383 } else if (cfg.username[0] == '\0') {
384 user = get_username();
386 bump("Empty user name");
389 tell_user(stderr, "Guessing user name: %s", user);
390 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
391 cfg.username[sizeof(cfg.username) - 1] = '\0';
397 * Disable scary things which shouldn't be enabled for simple
398 * things like SCP and SFTP: agent forwarding, port forwarding,
403 cfg.portfwd[0] = cfg.portfwd[1] = '\0';
406 * Attempt to start the SFTP subsystem as a first choice,
407 * falling back to the provided scp command if that fails.
409 strcpy(cfg.remote_cmd, "sftp");
410 cfg.ssh_subsys = TRUE;
411 cfg.remote_cmd_ptr2 = cmd;
412 cfg.ssh_subsys2 = FALSE;
417 err = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port, &realhost,0);
419 bump("ssh_init: %s", err);
420 logctx = log_init(NULL, &cfg);
421 back->provide_logctx(backhandle, logctx);
422 console_provide_logctx(logctx);
424 if (verbose && realhost != NULL)
425 tell_user(stderr, "Connected to %s\n", realhost);
430 * Update statistic information about current file.
432 static void print_stats(char *name, unsigned long size, unsigned long done,
433 time_t start, time_t now)
442 elap = (unsigned long) difftime(now, start);
445 ratebs = (float) done / elap;
447 ratebs = (float) done;
452 eta = (unsigned long) ((size - done) / ratebs);
453 sprintf(etastr, "%02ld:%02ld:%02ld",
454 eta / 3600, (eta % 3600) / 60, eta % 60);
456 pct = (int) (100 * (done * 1.0 / size));
459 gui_update_stats(name, size, pct, elap, done, eta,
460 (unsigned long) ratebs);
462 len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
463 name, done / 1024, ratebs / 1024.0, etastr, pct);
464 if (len < prev_stats_len)
465 printf("%*s", prev_stats_len - len, "");
466 prev_stats_len = len;
474 * Find a colon in str and return a pointer to the colon.
475 * This is used to separate hostname from filename.
477 static char *colon(char *str)
479 /* We ignore a leading colon, since the hostname cannot be
480 empty. We also ignore a colon as second character because
481 of filenames like f:myfile.txt. */
482 if (str[0] == '\0' || str[0] == ':' || str[1] == ':')
484 while (*str != '\0' && *str != ':' && *str != '/' && *str != '\\')
493 * Return a pointer to the portion of str that comes after the last
494 * slash (or backslash or colon, if `local' is TRUE).
496 static char *stripslashes(char *str, int local)
501 p = strchr(str, ':');
505 p = strrchr(str, '/');
509 p = strrchr(str, '\\');
517 * Determine whether a string is entirely composed of dots.
519 static int is_dots(char *str)
521 return str[strspn(str, ".")] == '\0';
525 * Wait for a response from the other side.
526 * Return 0 if ok, -1 if error.
528 static int response(void)
530 char ch, resp, rbuf[2048];
533 if (ssh_scp_recv(&resp, 1) <= 0)
534 bump("Lost connection");
544 case 2: /* fatal error */
546 if (ssh_scp_recv(&ch, 1) <= 0)
547 bump("Protocol error: Lost connection");
549 } while (p < sizeof(rbuf) && ch != '\n');
552 tell_user(stderr, "%s\n", rbuf);
560 int sftp_recvdata(char *buf, int len)
562 return ssh_scp_recv(buf, len);
564 int sftp_senddata(char *buf, int len)
566 back->send(backhandle, (unsigned char *) buf, len);
570 /* ----------------------------------------------------------------------
571 * sftp-based replacement for the hacky `pscp -ls'.
573 static int sftp_ls_compare(const void *av, const void *bv)
575 const struct fxp_name *a = (const struct fxp_name *) av;
576 const struct fxp_name *b = (const struct fxp_name *) bv;
577 return strcmp(a->filename, b->filename);
579 void scp_sftp_listdir(char *dirname)
581 struct fxp_handle *dirh;
582 struct fxp_names *names;
583 struct fxp_name *ournames;
584 struct sftp_packet *pktin;
585 struct sftp_request *req, *rreq;
586 int nnames, namesize;
590 tell_user(stderr, "unable to initialise SFTP: %s", fxp_error());
595 printf("Listing directory %s\n", dirname);
597 sftp_register(req = fxp_opendir_send(dirname));
598 rreq = sftp_find_request(pktin = sftp_recv());
600 dirh = fxp_opendir_recv(pktin, rreq);
603 printf("Unable to open %s: %s\n", dirname, fxp_error());
605 nnames = namesize = 0;
610 sftp_register(req = fxp_readdir_send(dirh));
611 rreq = sftp_find_request(pktin = sftp_recv());
613 names = fxp_readdir_recv(pktin, rreq);
616 if (fxp_error_type() == SSH_FX_EOF)
618 printf("Reading directory %s: %s\n", dirname, fxp_error());
621 if (names->nnames == 0) {
622 fxp_free_names(names);
626 if (nnames + names->nnames >= namesize) {
627 namesize += names->nnames + 128;
628 ournames = sresize(ournames, namesize, struct fxp_name);
631 for (i = 0; i < names->nnames; i++)
632 ournames[nnames++] = names->names[i];
634 names->nnames = 0; /* prevent free_names */
635 fxp_free_names(names);
637 sftp_register(req = fxp_close_send(dirh));
638 rreq = sftp_find_request(pktin = sftp_recv());
640 fxp_close_recv(pktin, rreq);
643 * Now we have our filenames. Sort them by actual file
644 * name, and then output the longname parts.
646 qsort(ournames, nnames, sizeof(*ournames), sftp_ls_compare);
651 for (i = 0; i < nnames; i++)
652 printf("%s\n", ournames[i].longname);
656 /* ----------------------------------------------------------------------
657 * Helper routines that contain the actual SCP protocol elements,
658 * implemented both as SCP1 and SFTP.
661 static struct scp_sftp_dirstack {
662 struct scp_sftp_dirstack *next;
663 struct fxp_name *names;
664 int namepos, namelen;
667 int matched_something; /* wildcard match set was non-empty */
668 } *scp_sftp_dirstack_head;
669 static char *scp_sftp_remotepath, *scp_sftp_currentname;
670 static char *scp_sftp_wildcard;
671 static int scp_sftp_targetisdir, scp_sftp_donethistarget;
672 static int scp_sftp_preserve, scp_sftp_recursive;
673 static unsigned long scp_sftp_mtime, scp_sftp_atime;
674 static int scp_has_times;
675 static struct fxp_handle *scp_sftp_filehandle;
676 static struct fxp_xfer *scp_sftp_xfer;
677 static uint64 scp_sftp_fileoffset;
679 void scp_source_setup(char *target, int shouldbedir)
683 * Find out whether the target filespec is in fact a
686 struct sftp_packet *pktin;
687 struct sftp_request *req, *rreq;
688 struct fxp_attrs attrs;
692 tell_user(stderr, "unable to initialise SFTP: %s", fxp_error());
697 sftp_register(req = fxp_stat_send(target));
698 rreq = sftp_find_request(pktin = sftp_recv());
700 ret = fxp_stat_recv(pktin, rreq, &attrs);
702 if (!ret || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS))
703 scp_sftp_targetisdir = 0;
705 scp_sftp_targetisdir = (attrs.permissions & 0040000) != 0;
707 if (shouldbedir && !scp_sftp_targetisdir) {
708 bump("pscp: remote filespec %s: not a directory\n", target);
711 scp_sftp_remotepath = dupstr(target);
719 int scp_send_errmsg(char *str)
722 /* do nothing; we never need to send our errors to the server */
724 back->send(backhandle, "\001", 1);/* scp protocol error prefix */
725 back->send(backhandle, str, strlen(str));
727 return 0; /* can't fail */
730 int scp_send_filetimes(unsigned long mtime, unsigned long atime)
733 scp_sftp_mtime = mtime;
734 scp_sftp_atime = atime;
739 sprintf(buf, "T%lu 0 %lu 0\n", mtime, atime);
740 back->send(backhandle, buf, strlen(buf));
745 int scp_send_filename(char *name, unsigned long size, int modes)
749 struct sftp_packet *pktin;
750 struct sftp_request *req, *rreq;
752 if (scp_sftp_targetisdir) {
753 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
755 fullname = dupstr(scp_sftp_remotepath);
758 sftp_register(req = fxp_open_send(fullname, SSH_FXF_WRITE |
759 SSH_FXF_CREAT | SSH_FXF_TRUNC));
760 rreq = sftp_find_request(pktin = sftp_recv());
762 scp_sftp_filehandle = fxp_open_recv(pktin, rreq);
764 if (!scp_sftp_filehandle) {
765 tell_user(stderr, "pscp: unable to open %s: %s",
766 fullname, fxp_error());
770 scp_sftp_fileoffset = uint64_make(0, 0);
771 scp_sftp_xfer = xfer_upload_init(scp_sftp_filehandle,
772 scp_sftp_fileoffset);
777 sprintf(buf, "C%04o %lu ", modes, size);
778 back->send(backhandle, buf, strlen(buf));
779 back->send(backhandle, name, strlen(name));
780 back->send(backhandle, "\n", 1);
785 int scp_send_filedata(char *data, int len)
789 struct sftp_packet *pktin;
791 if (!scp_sftp_filehandle) {
795 while (!xfer_upload_ready(scp_sftp_xfer)) {
797 ret = xfer_upload_gotpkt(scp_sftp_xfer, pktin);
799 tell_user(stderr, "error while writing: %s\n", fxp_error());
805 xfer_upload_data(scp_sftp_xfer, data, len);
807 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, len);
810 int bufsize = back->send(backhandle, data, len);
813 * If the network transfer is backing up - that is, the
814 * remote site is not accepting data as fast as we can
815 * produce it - then we must loop on network events until
816 * we have space in the buffer again.
818 while (bufsize > MAX_SCP_BUFSIZE) {
819 if (ssh_sftp_loop_iteration() < 0)
821 bufsize = back->sendbuffer(backhandle);
828 int scp_send_finish(void)
831 struct fxp_attrs attrs;
832 struct sftp_packet *pktin;
833 struct sftp_request *req, *rreq;
836 while (!xfer_done(scp_sftp_xfer)) {
838 xfer_upload_gotpkt(scp_sftp_xfer, pktin);
840 xfer_cleanup(scp_sftp_xfer);
842 if (!scp_sftp_filehandle) {
846 attrs.flags = SSH_FILEXFER_ATTR_ACMODTIME;
847 attrs.atime = scp_sftp_atime;
848 attrs.mtime = scp_sftp_mtime;
849 sftp_register(req = fxp_fsetstat_send(scp_sftp_filehandle, attrs));
850 rreq = sftp_find_request(pktin = sftp_recv());
852 ret = fxp_fsetstat_recv(pktin, rreq);
854 tell_user(stderr, "unable to set file times: %s\n", fxp_error());
858 sftp_register(req = fxp_close_send(scp_sftp_filehandle));
859 rreq = sftp_find_request(pktin = sftp_recv());
861 fxp_close_recv(pktin, rreq);
865 back->send(backhandle, "", 1);
870 char *scp_save_remotepath(void)
873 return scp_sftp_remotepath;
878 void scp_restore_remotepath(char *data)
881 scp_sftp_remotepath = data;
884 int scp_send_dirname(char *name, int modes)
889 struct fxp_attrs attrs;
890 struct sftp_packet *pktin;
891 struct sftp_request *req, *rreq;
894 if (scp_sftp_targetisdir) {
895 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
897 fullname = dupstr(scp_sftp_remotepath);
901 * We don't worry about whether we managed to create the
902 * directory, because if it exists already it's OK just to
903 * use it. Instead, we will stat it afterwards, and if it
904 * exists and is a directory we will assume we were either
905 * successful or it didn't matter.
907 sftp_register(req = fxp_mkdir_send(fullname));
908 rreq = sftp_find_request(pktin = sftp_recv());
910 ret = fxp_mkdir_recv(pktin, rreq);
915 err = "server reported no error";
917 sftp_register(req = fxp_stat_send(fullname));
918 rreq = sftp_find_request(pktin = sftp_recv());
920 ret = fxp_stat_recv(pktin, rreq, &attrs);
922 if (!ret || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) ||
923 !(attrs.permissions & 0040000)) {
924 tell_user(stderr, "unable to create directory %s: %s",
930 scp_sftp_remotepath = fullname;
935 sprintf(buf, "D%04o 0 ", modes);
936 back->send(backhandle, buf, strlen(buf));
937 back->send(backhandle, name, strlen(name));
938 back->send(backhandle, "\n", 1);
943 int scp_send_enddir(void)
946 sfree(scp_sftp_remotepath);
949 back->send(backhandle, "E\n", 2);
955 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
956 * That's bad. The difference is that scp_sink_setup is called once
957 * right at the start, whereas scp_sink_init is called to
958 * initialise every level of recursion in the protocol.
960 int scp_sink_setup(char *source, int preserve, int recursive)
966 tell_user(stderr, "unable to initialise SFTP: %s", fxp_error());
971 * It's possible that the source string we've been given
972 * contains a wildcard. If so, we must split the directory
973 * away from the wildcard itself (throwing an error if any
974 * wildcardness comes before the final slash) and arrange
975 * things so that a dirstack entry will be set up.
977 newsource = snewn(1+strlen(source), char);
978 if (!wc_unescape(newsource, source)) {
979 /* Yes, here we go; it's a wildcard. Bah. */
980 char *dupsource, *lastpart, *dirpart, *wildcard;
981 dupsource = dupstr(source);
982 lastpart = stripslashes(dupsource, 0);
983 wildcard = dupstr(lastpart);
985 if (*dupsource && dupsource[1]) {
987 * The remains of dupsource are at least two
988 * characters long, meaning the pathname wasn't
989 * empty or just `/'. Hence, we remove the trailing
993 } else if (!*dupsource) {
995 * The remains of dupsource are _empty_ - the whole
996 * pathname was a wildcard. Hence we need to
997 * replace it with ".".
1000 dupsource = dupstr(".");
1004 * Now we have separated our string into dupsource (the
1005 * directory part) and wildcard. Both of these will
1006 * need freeing at some point. Next step is to remove
1007 * wildcard escapes from the directory part, throwing
1008 * an error if it contains a real wildcard.
1010 dirpart = snewn(1+strlen(dupsource), char);
1011 if (!wc_unescape(dirpart, dupsource)) {
1012 tell_user(stderr, "%s: multiple-level wildcards unsupported",
1022 * Now we have dirpart (unescaped, ie a valid remote
1023 * path), and wildcard (a wildcard). This will be
1024 * sufficient to arrange a dirstack entry.
1026 scp_sftp_remotepath = dirpart;
1027 scp_sftp_wildcard = wildcard;
1030 scp_sftp_remotepath = newsource;
1031 scp_sftp_wildcard = NULL;
1033 scp_sftp_preserve = preserve;
1034 scp_sftp_recursive = recursive;
1035 scp_sftp_donethistarget = 0;
1036 scp_sftp_dirstack_head = NULL;
1041 int scp_sink_init(void)
1044 back->send(backhandle, "", 1);
1049 #define SCP_SINK_FILE 1
1050 #define SCP_SINK_DIR 2
1051 #define SCP_SINK_ENDDIR 3
1052 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1053 struct scp_sink_action {
1054 int action; /* FILE, DIR, ENDDIR */
1055 char *buf; /* will need freeing after use */
1056 char *name; /* filename or dirname (not ENDDIR) */
1057 int mode; /* access mode (not ENDDIR) */
1058 unsigned long size; /* file size (not ENDDIR) */
1059 int settime; /* 1 if atime and mtime are filled */
1060 unsigned long atime, mtime; /* access times for the file */
1063 int scp_get_sink_action(struct scp_sink_action *act)
1067 int must_free_fname;
1068 struct fxp_attrs attrs;
1069 struct sftp_packet *pktin;
1070 struct sftp_request *req, *rreq;
1073 if (!scp_sftp_dirstack_head) {
1074 if (!scp_sftp_donethistarget) {
1076 * Simple case: we are only dealing with one file.
1078 fname = scp_sftp_remotepath;
1079 must_free_fname = 0;
1080 scp_sftp_donethistarget = 1;
1083 * Even simpler case: one file _which we've done_.
1084 * Return 1 (finished).
1090 * We're now in the middle of stepping through a list
1091 * of names returned from fxp_readdir(); so let's carry
1094 struct scp_sftp_dirstack *head = scp_sftp_dirstack_head;
1095 while (head->namepos < head->namelen &&
1096 (is_dots(head->names[head->namepos].filename) ||
1098 !wc_match(head->wildcard,
1099 head->names[head->namepos].filename))))
1100 head->namepos++; /* skip . and .. */
1101 if (head->namepos < head->namelen) {
1102 head->matched_something = 1;
1103 fname = dupcat(head->dirpath, "/",
1104 head->names[head->namepos++].filename,
1106 must_free_fname = 1;
1109 * We've come to the end of the list; pop it off
1110 * the stack and return an ENDDIR action (or RETRY
1111 * if this was a wildcard match).
1113 if (head->wildcard) {
1114 act->action = SCP_SINK_RETRY;
1115 if (!head->matched_something) {
1116 tell_user(stderr, "pscp: wildcard '%s' matched "
1117 "no files", head->wildcard);
1120 sfree(head->wildcard);
1123 act->action = SCP_SINK_ENDDIR;
1126 sfree(head->dirpath);
1128 scp_sftp_dirstack_head = head->next;
1136 * Now we have a filename. Stat it, and see if it's a file
1139 sftp_register(req = fxp_stat_send(fname));
1140 rreq = sftp_find_request(pktin = sftp_recv());
1141 assert(rreq == req);
1142 ret = fxp_stat_recv(pktin, rreq, &attrs);
1144 if (!ret || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
1145 tell_user(stderr, "unable to identify %s: %s", fname,
1146 ret ? "file type not supplied" : fxp_error());
1151 if (attrs.permissions & 0040000) {
1152 struct scp_sftp_dirstack *newitem;
1153 struct fxp_handle *dirhandle;
1154 int nnames, namesize;
1155 struct fxp_name *ournames;
1156 struct fxp_names *names;
1159 * It's a directory. If we're not in recursive mode,
1160 * this merits a complaint (which is fatal if the name
1161 * was specified directly, but not if it was matched by
1164 * We skip this complaint completely if
1165 * scp_sftp_wildcard is set, because that's an
1166 * indication that we're not actually supposed to
1167 * _recursively_ transfer the dir, just scan it for
1168 * things matching the wildcard.
1170 if (!scp_sftp_recursive && !scp_sftp_wildcard) {
1171 tell_user(stderr, "pscp: %s: is a directory", fname);
1173 if (must_free_fname) sfree(fname);
1174 if (scp_sftp_dirstack_head) {
1175 act->action = SCP_SINK_RETRY;
1183 * Otherwise, the fun begins. We must fxp_opendir() the
1184 * directory, slurp the filenames into memory, return
1185 * SCP_SINK_DIR (unless this is a wildcard match), and
1186 * set targetisdir. The next time we're called, we will
1187 * run through the list of filenames one by one,
1188 * matching them against a wildcard if present.
1190 * If targetisdir is _already_ set (meaning we're
1191 * already in the middle of going through another such
1192 * list), we must push the other (target,namelist) pair
1195 sftp_register(req = fxp_opendir_send(fname));
1196 rreq = sftp_find_request(pktin = sftp_recv());
1197 assert(rreq == req);
1198 dirhandle = fxp_opendir_recv(pktin, rreq);
1201 tell_user(stderr, "scp: unable to open directory %s: %s",
1202 fname, fxp_error());
1203 if (must_free_fname) sfree(fname);
1207 nnames = namesize = 0;
1212 sftp_register(req = fxp_readdir_send(dirhandle));
1213 rreq = sftp_find_request(pktin = sftp_recv());
1214 assert(rreq == req);
1215 names = fxp_readdir_recv(pktin, rreq);
1217 if (names == NULL) {
1218 if (fxp_error_type() == SSH_FX_EOF)
1220 tell_user(stderr, "scp: reading directory %s: %s\n",
1221 fname, fxp_error());
1222 if (must_free_fname) sfree(fname);
1227 if (names->nnames == 0) {
1228 fxp_free_names(names);
1231 if (nnames + names->nnames >= namesize) {
1232 namesize += names->nnames + 128;
1233 ournames = sresize(ournames, namesize, struct fxp_name);
1235 for (i = 0; i < names->nnames; i++)
1236 ournames[nnames++] = names->names[i];
1237 names->nnames = 0; /* prevent free_names */
1238 fxp_free_names(names);
1240 sftp_register(req = fxp_close_send(dirhandle));
1241 rreq = sftp_find_request(pktin = sftp_recv());
1242 assert(rreq == req);
1243 fxp_close_recv(pktin, rreq);
1245 newitem = snew(struct scp_sftp_dirstack);
1246 newitem->next = scp_sftp_dirstack_head;
1247 newitem->names = ournames;
1248 newitem->namepos = 0;
1249 newitem->namelen = nnames;
1250 if (must_free_fname)
1251 newitem->dirpath = fname;
1253 newitem->dirpath = dupstr(fname);
1254 if (scp_sftp_wildcard) {
1255 newitem->wildcard = scp_sftp_wildcard;
1256 newitem->matched_something = 0;
1257 scp_sftp_wildcard = NULL;
1259 newitem->wildcard = NULL;
1261 scp_sftp_dirstack_head = newitem;
1263 if (newitem->wildcard) {
1264 act->action = SCP_SINK_RETRY;
1266 act->action = SCP_SINK_DIR;
1267 act->buf = dupstr(stripslashes(fname, 0));
1268 act->name = act->buf;
1269 act->size = 0; /* duhh, it's a directory */
1270 act->mode = 07777 & attrs.permissions;
1271 if (scp_sftp_preserve &&
1272 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1273 act->atime = attrs.atime;
1274 act->mtime = attrs.mtime;
1283 * It's a file. Return SCP_SINK_FILE.
1285 act->action = SCP_SINK_FILE;
1286 act->buf = dupstr(stripslashes(fname, 0));
1287 act->name = act->buf;
1288 if (attrs.flags & SSH_FILEXFER_ATTR_SIZE) {
1289 if (uint64_compare(attrs.size,
1290 uint64_make(0, ULONG_MAX)) > 0) {
1291 act->size = ULONG_MAX; /* *boggle* */
1293 act->size = attrs.size.lo;
1295 act->size = ULONG_MAX; /* no idea */
1296 act->mode = 07777 & attrs.permissions;
1297 if (scp_sftp_preserve &&
1298 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1299 act->atime = attrs.atime;
1300 act->mtime = attrs.mtime;
1304 if (must_free_fname)
1305 scp_sftp_currentname = fname;
1307 scp_sftp_currentname = dupstr(fname);
1322 if (ssh_scp_recv(&ch, 1) <= 0)
1325 bump("Protocol error: Unexpected newline");
1329 if (ssh_scp_recv(&ch, 1) <= 0)
1330 bump("Lost connection");
1333 act->buf = sresize(act->buf, bufsize, char);
1336 } while (ch != '\n');
1337 act->buf[i - 1] = '\0';
1339 case '\01': /* error */
1340 tell_user(stderr, "%s\n", act->buf);
1342 continue; /* go round again */
1343 case '\02': /* fatal error */
1344 bump("%s", act->buf);
1346 back->send(backhandle, "", 1);
1347 act->action = SCP_SINK_ENDDIR;
1350 if (sscanf(act->buf, "%ld %*d %ld %*d",
1351 &act->mtime, &act->atime) == 2) {
1353 back->send(backhandle, "", 1);
1354 continue; /* go round again */
1356 bump("Protocol error: Illegal time format");
1359 act->action = (action == 'C' ? SCP_SINK_FILE : SCP_SINK_DIR);
1362 bump("Protocol error: Expected control record");
1365 * We will go round this loop only once, unless we hit
1372 * If we get here, we must have seen SCP_SINK_FILE or
1375 if (sscanf(act->buf, "%o %lu %n", &act->mode, &act->size, &i) != 2)
1376 bump("Protocol error: Illegal file descriptor format");
1377 act->name = act->buf + i;
1382 int scp_accept_filexfer(void)
1385 struct sftp_packet *pktin;
1386 struct sftp_request *req, *rreq;
1388 sftp_register(req = fxp_open_send(scp_sftp_currentname, SSH_FXF_READ));
1389 rreq = sftp_find_request(pktin = sftp_recv());
1390 assert(rreq == req);
1391 scp_sftp_filehandle = fxp_open_recv(pktin, rreq);
1393 if (!scp_sftp_filehandle) {
1394 tell_user(stderr, "pscp: unable to open %s: %s",
1395 scp_sftp_currentname, fxp_error());
1399 scp_sftp_fileoffset = uint64_make(0, 0);
1400 scp_sftp_xfer = xfer_download_init(scp_sftp_filehandle,
1401 scp_sftp_fileoffset);
1402 sfree(scp_sftp_currentname);
1405 back->send(backhandle, "", 1);
1406 return 0; /* can't fail */
1410 int scp_recv_filedata(char *data, int len)
1413 struct sftp_packet *pktin;
1417 xfer_download_queue(scp_sftp_xfer);
1418 pktin = sftp_recv();
1419 ret = xfer_download_gotpkt(scp_sftp_xfer, pktin);
1422 tell_user(stderr, "pscp: error while reading: %s", fxp_error());
1427 if (xfer_download_data(scp_sftp_xfer, &vbuf, &actuallen)) {
1429 * This assertion relies on the fact that the natural
1430 * block size used in the xfer manager is at most that
1431 * used in this module. I don't like crossing layers in
1432 * this way, but it'll do for now.
1434 assert(actuallen <= len);
1435 memcpy(data, vbuf, actuallen);
1440 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, actuallen);
1444 return ssh_scp_recv(data, len);
1448 int scp_finish_filerecv(void)
1451 struct sftp_packet *pktin;
1452 struct sftp_request *req, *rreq;
1455 * Ensure that xfer_done() will work correctly, so we can
1456 * clean up any outstanding requests from the file
1459 xfer_set_error(scp_sftp_xfer);
1460 while (!xfer_done(scp_sftp_xfer)) {
1464 pktin = sftp_recv();
1465 xfer_download_gotpkt(scp_sftp_xfer, pktin);
1466 if (xfer_download_data(scp_sftp_xfer, &vbuf, &len))
1469 xfer_cleanup(scp_sftp_xfer);
1471 sftp_register(req = fxp_close_send(scp_sftp_filehandle));
1472 rreq = sftp_find_request(pktin = sftp_recv());
1473 assert(rreq == req);
1474 fxp_close_recv(pktin, rreq);
1477 back->send(backhandle, "", 1);
1482 /* ----------------------------------------------------------------------
1483 * Send an error message to the other side and to the screen.
1484 * Increment error counter.
1486 static void run_err(const char *fmt, ...)
1492 str = dupvprintf(fmt, ap);
1493 str2 = dupcat("scp: ", str, "\n", NULL);
1495 scp_send_errmsg(str2);
1496 tell_user(stderr, "%s", str2);
1502 * Execute the source part of the SCP protocol.
1504 static void source(char *src)
1507 unsigned long mtime, atime;
1512 unsigned long stat_bytes;
1513 time_t stat_starttime, stat_lasttime;
1515 attr = file_type(src);
1516 if (attr == FILE_TYPE_NONEXISTENT ||
1517 attr == FILE_TYPE_WEIRD) {
1518 run_err("%s: %s file or directory", src,
1519 (attr == FILE_TYPE_WEIRD ? "Not a" : "No such"));
1523 if (attr == FILE_TYPE_DIRECTORY) {
1526 * Avoid . and .. directories.
1529 p = strrchr(src, '/');
1531 p = strrchr(src, '\\');
1536 if (!strcmp(p, ".") || !strcmp(p, ".."))
1537 /* skip . and .. */ ;
1541 run_err("%s: not a regular file", src);
1546 if ((last = strrchr(src, '/')) == NULL)
1550 if (strrchr(last, '\\') != NULL)
1551 last = strrchr(last, '\\') + 1;
1552 if (last == src && strchr(src, ':') != NULL)
1553 last = strchr(src, ':') + 1;
1555 f = open_existing_file(src, &size, &mtime, &atime);
1557 run_err("%s: Cannot open file", src);
1561 if (scp_send_filetimes(mtime, atime))
1566 tell_user(stderr, "Sending file %s, size=%lu", last, size);
1567 if (scp_send_filename(last, size, 0644))
1571 stat_starttime = time(NULL);
1574 for (i = 0; i < size; i += 4096) {
1575 char transbuf[4096];
1580 if ((j = read_from_file(f, transbuf, k)) != k) {
1583 bump("%s: Read error", src);
1585 if (scp_send_filedata(transbuf, k))
1586 bump("%s: Network error occurred", src);
1590 if (time(NULL) != stat_lasttime || i + k == size) {
1591 stat_lasttime = time(NULL);
1592 print_stats(last, size, stat_bytes,
1593 stat_starttime, stat_lasttime);
1600 (void) scp_send_finish();
1604 * Recursively send the contents of a directory.
1606 static void rsource(char *src)
1612 if ((last = strrchr(src, '/')) == NULL)
1616 if (strrchr(last, '\\') != NULL)
1617 last = strrchr(last, '\\') + 1;
1618 if (last == src && strchr(src, ':') != NULL)
1619 last = strchr(src, ':') + 1;
1621 /* maybe send filetime */
1623 save_target = scp_save_remotepath();
1626 tell_user(stderr, "Entering directory: %s", last);
1627 if (scp_send_dirname(last, 0755))
1630 dir = open_directory(src);
1633 while ((filename = read_filename(dir)) != NULL) {
1634 char *foundfile = dupcat(src, "/", filename, NULL);
1640 close_directory(dir);
1642 (void) scp_send_enddir();
1644 scp_restore_remotepath(save_target);
1648 * Execute the sink part of the SCP protocol.
1650 static void sink(char *targ, char *src)
1657 unsigned long received;
1659 unsigned long stat_bytes;
1660 time_t stat_starttime, stat_lasttime;
1663 attr = file_type(targ);
1664 if (attr == FILE_TYPE_DIRECTORY)
1667 if (targetshouldbedirectory && !targisdir)
1668 bump("%s: Not a directory", targ);
1672 struct scp_sink_action act;
1673 if (scp_get_sink_action(&act))
1676 if (act.action == SCP_SINK_ENDDIR)
1679 if (act.action == SCP_SINK_RETRY)
1684 * Prevent the remote side from maliciously writing to
1685 * files outside the target area by sending a filename
1686 * containing `../'. In fact, it shouldn't be sending
1687 * filenames with any slashes or colons in at all; so
1688 * we'll find the last slash, backslash or colon in the
1689 * filename and use only the part after that. (And
1692 * In addition, we also ensure here that if we're
1693 * copying a single file and the target is a directory
1694 * (common usage: `pscp host:filename .') the remote
1695 * can't send us a _different_ file name. We can
1696 * distinguish this case because `src' will be non-NULL
1697 * and the last component of that will fail to match
1698 * (the last component of) the name sent.
1700 * Well, not always; if `src' is a wildcard, we do
1701 * expect to get back filenames that don't correspond
1702 * exactly to it. Ideally in this case, we would like
1703 * to ensure that the returned filename actually
1704 * matches the wildcard pattern - but one of SCP's
1705 * protocol infelicities is that wildcard matching is
1706 * done at the server end _by the server's rules_ and
1707 * so in general this is infeasible. Hence, we only
1708 * accept filenames that don't correspond to `src' if
1709 * unsafe mode is enabled or we are using SFTP (which
1710 * resolves remote wildcards on the client side and can
1713 char *striptarget, *stripsrc;
1715 striptarget = stripslashes(act.name, 1);
1716 if (striptarget != act.name) {
1717 tell_user(stderr, "warning: remote host sent a compound"
1718 " pathname '%s'", act.name);
1719 tell_user(stderr, " renaming local file to '%s'",
1724 * Also check to see if the target filename is '.' or
1725 * '..', or indeed '...' and so on because Windows
1726 * appears to interpret those like '..'.
1728 if (is_dots(striptarget)) {
1729 bump("security violation: remote host attempted to write to"
1730 " a '.' or '..' path!");
1734 stripsrc = stripslashes(src, 1);
1735 if (strcmp(striptarget, stripsrc) &&
1736 !using_sftp && !scp_unsafe_mode) {
1737 tell_user(stderr, "warning: remote host tried to write "
1738 "to a file called '%s'", striptarget);
1739 tell_user(stderr, " when we requested a file "
1740 "called '%s'.", stripsrc);
1741 tell_user(stderr, " If this is a wildcard, "
1742 "consider upgrading to SSH 2 or using");
1743 tell_user(stderr, " the '-unsafe' option. Renaming"
1744 " of this file has been disallowed.");
1745 /* Override the name the server provided with our own. */
1746 striptarget = stripsrc;
1750 if (targ[0] != '\0')
1751 destfname = dir_file_cat(targ, striptarget);
1753 destfname = dupstr(striptarget);
1756 * In this branch of the if, the target area is a
1757 * single file with an explicitly specified name in any
1758 * case, so there's no danger.
1760 destfname = dupstr(targ);
1762 attr = file_type(destfname);
1763 exists = (attr != FILE_TYPE_NONEXISTENT);
1765 if (act.action == SCP_SINK_DIR) {
1766 if (exists && attr != FILE_TYPE_DIRECTORY) {
1767 run_err("%s: Not a directory", destfname);
1771 if (!create_directory(destfname)) {
1772 run_err("%s: Cannot create directory", destfname);
1776 sink(destfname, NULL);
1777 /* can we set the timestamp for directories ? */
1781 f = open_new_file(destfname);
1783 run_err("%s: Cannot create file", destfname);
1787 if (scp_accept_filexfer())
1791 stat_starttime = time(NULL);
1793 stat_name = stripslashes(destfname, 1);
1796 while (received < act.size) {
1797 char transbuf[4096];
1800 if (blksize > (int)(act.size - received))
1801 blksize = act.size - received;
1802 read = scp_recv_filedata(transbuf, blksize);
1804 bump("Lost connection");
1807 if (write_to_file(f, transbuf, read) != (int)read) {
1809 /* FIXME: in sftp we can actually abort the transfer */
1811 printf("\r%-25.25s | %50s\n",
1813 "Write error.. waiting for end of file");
1818 if (time(NULL) > stat_lasttime ||
1819 received + read == act.size) {
1820 stat_lasttime = time(NULL);
1821 print_stats(stat_name, act.size, stat_bytes,
1822 stat_starttime, stat_lasttime);
1828 set_file_times(f, act.mtime, act.atime);
1833 run_err("%s: Write error", destfname);
1836 (void) scp_finish_filerecv();
1843 * We will copy local files to a remote server.
1845 static void toremote(int argc, char *argv[])
1847 char *src, *targ, *host, *user;
1851 targ = argv[argc - 1];
1853 /* Separate host from filename */
1857 bump("targ == NULL in toremote()");
1861 /* Substitute "." for emtpy target */
1863 /* Separate host and username */
1865 host = strrchr(host, '@');
1876 if (colon(argv[0]) != NULL)
1877 bump("%s: Remote to remote not supported", argv[0]);
1879 wc_type = test_wildcard(argv[0], 1);
1880 if (wc_type == WCTYPE_NONEXISTENT)
1881 bump("%s: No such file or directory\n", argv[0]);
1882 else if (wc_type == WCTYPE_WILDCARD)
1883 targetshouldbedirectory = 1;
1886 cmd = dupprintf("scp%s%s%s%s -t %s",
1887 verbose ? " -v" : "",
1888 recursive ? " -r" : "",
1889 preserve ? " -p" : "",
1890 targetshouldbedirectory ? " -d" : "", targ);
1891 do_cmd(host, user, cmd);
1894 scp_source_setup(targ, targetshouldbedirectory);
1896 for (i = 0; i < argc - 1; i++) {
1898 if (colon(src) != NULL) {
1899 tell_user(stderr, "%s: Remote to remote not supported\n", src);
1904 wc_type = test_wildcard(src, 1);
1905 if (wc_type == WCTYPE_NONEXISTENT) {
1906 run_err("%s: No such file or directory", src);
1908 } else if (wc_type == WCTYPE_FILENAME) {
1912 WildcardMatcher *wc;
1915 wc = begin_wildcard_matching(src);
1917 run_err("%s: No such file or directory", src);
1921 while ((filename = wildcard_get_filename(wc)) != NULL) {
1926 finish_wildcard_matching(wc);
1932 * We will copy files from a remote server to the local machine.
1934 static void tolocal(int argc, char *argv[])
1936 char *src, *targ, *host, *user;
1940 bump("More than one remote source not supported");
1945 /* Separate host from filename */
1949 bump("Local to local copy not supported");
1953 /* Substitute "." for empty filename */
1955 /* Separate username and hostname */
1957 host = strrchr(host, '@');
1967 cmd = dupprintf("scp%s%s%s%s -f %s",
1968 verbose ? " -v" : "",
1969 recursive ? " -r" : "",
1970 preserve ? " -p" : "",
1971 targetshouldbedirectory ? " -d" : "", src);
1972 do_cmd(host, user, cmd);
1975 if (scp_sink_setup(src, preserve, recursive))
1982 * We will issue a list command to get a remote directory.
1984 static void get_dir_list(int argc, char *argv[])
1986 char *src, *host, *user;
1992 /* Separate host from filename */
1996 bump("Local to local copy not supported");
2000 /* Substitute "." for empty filename */
2002 /* Separate username and hostname */
2004 host = strrchr(host, '@');
2014 cmd = snewn(4 * strlen(src) + 100, char);
2015 strcpy(cmd, "ls -la '");
2016 p = cmd + strlen(cmd);
2017 for (q = src; *q; q++) {
2030 do_cmd(host, user, cmd);
2034 scp_sftp_listdir(src);
2036 while (ssh_scp_recv(&c, 1) > 0)
2037 tell_char(stdout, c);
2042 * Short description of parameters.
2044 static void usage(void)
2046 printf("PuTTY Secure Copy client\n");
2047 printf("%s\n", ver);
2048 printf("Usage: pscp [options] [user@]host:source target\n");
2050 (" pscp [options] source [source...] [user@]host:target\n");
2051 printf(" pscp [options] -ls user@host:filespec\n");
2052 printf("Options:\n");
2053 printf(" -p preserve file attributes\n");
2054 printf(" -q quiet, don't show statistics\n");
2055 printf(" -r copy directories recursively\n");
2056 printf(" -v show verbose messages\n");
2057 printf(" -load sessname Load settings from saved session\n");
2058 printf(" -P port connect to specified port\n");
2059 printf(" -l user connect with specified username\n");
2060 printf(" -pw passw login with specified password\n");
2061 printf(" -1 -2 force use of particular SSH protocol version\n");
2062 printf(" -C enable compression\n");
2063 printf(" -i key private key file for authentication\n");
2064 printf(" -batch disable all interactive prompts\n");
2065 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2068 * -gui is an internal option, used by GUI front ends to get
2069 * pscp to pass progress reports back to them. It's not an
2070 * ordinary user-accessible option, so it shouldn't be part of
2071 * the command-line help. The only people who need to know
2072 * about it are programmers, and they can read the source.
2075 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2080 void cmdline_error(char *p, ...)
2083 fprintf(stderr, "pscp: ");
2085 vfprintf(stderr, p, ap);
2087 fprintf(stderr, "\n try typing just \"pscp\" for help\n");
2092 * Main program. (Called `psftp_main' because it gets called from
2093 * *sftp.c; bit silly, I know, but it had to be called _something_.)
2095 int psftp_main(int argc, char *argv[])
2099 default_protocol = PROT_TELNET;
2102 #ifdef FLAG_SYNCAGENT
2106 cmdline_tooltype = TOOLTYPE_FILETRANSFER;
2107 ssh_get_line = &console_get_line;
2110 for (i = 1; i < argc; i++) {
2112 if (argv[i][0] != '-')
2114 ret = cmdline_process_param(argv[i], i+1<argc?argv[i+1]:NULL, 1, &cfg);
2116 cmdline_error("option \"%s\" requires an argument", argv[i]);
2117 } else if (ret == 2) {
2118 i++; /* skip next argument */
2119 } else if (ret == 1) {
2120 /* We have our own verbosity in addition to `flags'. */
2121 if (flags & FLAG_VERBOSE)
2123 } else if (strcmp(argv[i], "-r") == 0) {
2125 } else if (strcmp(argv[i], "-p") == 0) {
2127 } else if (strcmp(argv[i], "-q") == 0) {
2129 } else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0) {
2131 } else if (strcmp(argv[i], "-gui") == 0 && i + 1 < argc) {
2132 gui_enable(argv[++i]);
2134 console_batch_mode = TRUE;
2135 } else if (strcmp(argv[i], "-ls") == 0) {
2137 } else if (strcmp(argv[i], "-batch") == 0) {
2138 console_batch_mode = 1;
2139 } else if (strcmp(argv[i], "-unsafe") == 0) {
2140 scp_unsafe_mode = 1;
2141 } else if (strcmp(argv[i], "--") == 0) {
2145 cmdline_error("unknown option \"%s\"", argv[i]);
2155 get_dir_list(argc, argv);
2162 targetshouldbedirectory = 1;
2164 if (colon(argv[argc - 1]) != NULL)
2165 toremote(argc, argv);
2167 tolocal(argc, argv);
2170 if (back != NULL && back->socket(backhandle) != NULL) {
2172 back->special(backhandle, TS_EOF);
2173 ssh_scp_recv(&ch, 1);
2178 gui_send_errcount(list, errs);
2180 return (errs == 0 ? 0 : 1);