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 * Adaptations to enable connecting a GUI by L. Gunnarsson - Sept 2000
25 /* GUI Adaptation - Sept 2000 */
29 #define PUTTY_DO_GLOBALS
36 #define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
37 ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
38 #define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
39 ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
41 /* GUI Adaptation - Sept 2000 */
42 #define WM_APP_BASE 0x8000
43 #define WM_STD_OUT_CHAR ( WM_APP_BASE+400 )
44 #define WM_STD_ERR_CHAR ( WM_APP_BASE+401 )
45 #define WM_STATS_CHAR ( WM_APP_BASE+402 )
46 #define WM_STATS_SIZE ( WM_APP_BASE+403 )
47 #define WM_STATS_PERCENT ( WM_APP_BASE+404 )
48 #define WM_STATS_ELAPSED ( WM_APP_BASE+405 )
49 #define WM_RET_ERR_CNT ( WM_APP_BASE+406 )
50 #define WM_LS_RET_ERR_CNT ( WM_APP_BASE+407 )
53 static int verbose = 0;
54 static int recursive = 0;
55 static int preserve = 0;
56 static int targetshouldbedirectory = 0;
57 static int statistics = 1;
58 static int portnumber = 0;
59 static int prev_stats_len = 0;
60 static char *password = NULL;
62 /* GUI Adaptation - Sept 2000 */
63 #define NAME_STR_MAX 2048
64 static char statname[NAME_STR_MAX + 1];
65 static unsigned long statsize = 0;
66 static int statperct = 0;
67 static unsigned long statelapsed = 0;
68 static int gui_mode = 0;
69 static char *gui_hwnd = NULL;
70 static int using_sftp = 0;
72 static void source(char *src);
73 static void rsource(char *src);
74 static void sink(char *targ, char *src);
75 /* GUI Adaptation - Sept 2000 */
76 static void tell_char(FILE * stream, char c);
77 static void tell_str(FILE * stream, char *str);
78 static void tell_user(FILE * stream, char *fmt, ...);
79 static void gui_update_stats(char *name, unsigned long size,
80 int percentage, unsigned long elapsed);
83 * The maximum amount of queued data we accept before we stop and
84 * wait for the server to process some.
86 #define MAX_SCP_BUFSIZE 16384
88 void logevent(char *string)
92 void ldisc_send(char *buf, int len)
95 * This is only here because of the calls to ldisc_send(NULL,
96 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
97 * as an ldisc. So if we get called with any real data, I want
103 void verify_ssh_host_key(char *host, int port, char *keytype,
104 char *keystr, char *fingerprint)
110 static const char absentmsg[] =
111 "The server's host key is not cached in the registry. You\n"
112 "have no guarantee that the server is the computer you\n"
114 "The server's key fingerprint is:\n"
116 "If you trust this host, enter \"y\" to add the key to\n"
117 "PuTTY's cache and carry on connecting.\n"
118 "If you want to carry on connecting just once, without\n"
119 "adding the key to the cache, enter \"n\".\n"
120 "If you do not trust this host, press Return to abandon the\n"
122 "Store key in cache? (y/n) ";
124 static const char wrongmsg[] =
125 "WARNING - POTENTIAL SECURITY BREACH!\n"
126 "The server's host key does not match the one PuTTY has\n"
127 "cached in the registry. This means that either the\n"
128 "server administrator has changed the host key, or you\n"
129 "have actually connected to another computer pretending\n"
130 "to be the server.\n"
131 "The new key fingerprint is:\n"
133 "If you were expecting this change and trust the new key,\n"
134 "enter \"y\" to update PuTTY's cache and continue connecting.\n"
135 "If you want to carry on connecting but without updating\n"
136 "the cache, enter \"n\".\n"
137 "If you want to abandon the connection completely, press\n"
138 "Return to cancel. Pressing Return is the ONLY guaranteed\n"
140 "Update cached key? (y/n, Return cancels connection) ";
142 static const char abandoned[] = "Connection abandoned.\n";
147 * Verify the key against the registry.
149 ret = verify_host_key(host, port, keytype, keystr);
151 if (ret == 0) /* success - key matched OK */
154 if (ret == 2) { /* key was different */
155 fprintf(stderr, wrongmsg, fingerprint);
158 if (ret == 1) { /* key was absent */
159 fprintf(stderr, absentmsg, fingerprint);
163 hin = GetStdHandle(STD_INPUT_HANDLE);
164 GetConsoleMode(hin, &savemode);
165 SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT |
166 ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT));
167 ReadFile(hin, line, sizeof(line) - 1, &i, NULL);
168 SetConsoleMode(hin, savemode);
170 if (line[0] != '\0' && line[0] != '\r' && line[0] != '\n') {
171 if (line[0] == 'y' || line[0] == 'Y')
172 store_host_key(host, port, keytype, keystr);
174 fprintf(stderr, abandoned);
180 * Ask whether the selected cipher is acceptable (since it was
181 * below the configured 'warn' threshold).
182 * cs: 0 = both ways, 1 = client->server, 2 = server->client
184 void askcipher(char *ciphername, int cs)
189 static const char msg[] =
190 "The first %scipher supported by the server is\n"
191 "%s, which is below the configured warning threshold.\n"
192 "Continue with connection? (y/n) ";
193 static const char abandoned[] = "Connection abandoned.\n";
199 (cs == 1) ? "client-to-server " :
204 hin = GetStdHandle(STD_INPUT_HANDLE);
205 GetConsoleMode(hin, &savemode);
206 SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT |
207 ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT));
208 ReadFile(hin, line, sizeof(line) - 1, &i, NULL);
209 SetConsoleMode(hin, savemode);
211 if (line[0] == 'y' || line[0] == 'Y') {
214 fprintf(stderr, abandoned);
219 /* GUI Adaptation - Sept 2000 */
220 static void send_msg(HWND h, UINT message, WPARAM wParam)
222 while (!PostMessage(h, message, wParam, 0))
226 static void tell_char(FILE * stream, char c)
231 unsigned int msg_id = WM_STD_OUT_CHAR;
232 if (stream == stderr)
233 msg_id = WM_STD_ERR_CHAR;
234 send_msg((HWND) atoi(gui_hwnd), msg_id, (WPARAM) c);
238 static void tell_str(FILE * stream, char *str)
242 for (i = 0; i < strlen(str); ++i)
243 tell_char(stream, str[i]);
246 static void tell_user(FILE * stream, char *fmt, ...)
248 char str[0x100]; /* Make the size big enough */
251 vsprintf(str, fmt, ap);
254 tell_str(stream, str);
257 static void gui_update_stats(char *name, unsigned long size,
258 int percentage, unsigned long elapsed)
262 if (strcmp(name, statname) != 0) {
263 for (i = 0; i < strlen(name); ++i)
264 send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR,
266 send_msg((HWND) atoi(gui_hwnd), WM_STATS_CHAR, (WPARAM) '\n');
267 strcpy(statname, name);
269 if (statsize != size) {
270 send_msg((HWND) atoi(gui_hwnd), WM_STATS_SIZE, (WPARAM) size);
273 if (statelapsed != elapsed) {
274 send_msg((HWND) atoi(gui_hwnd), WM_STATS_ELAPSED,
276 statelapsed = elapsed;
278 if (statperct != percentage) {
279 send_msg((HWND) atoi(gui_hwnd), WM_STATS_PERCENT,
280 (WPARAM) percentage);
281 statperct = percentage;
286 * Print an error message and perform a fatal exit.
288 void fatalbox(char *fmt, ...)
290 char str[0x100]; /* Make the size big enough */
293 strcpy(str, "Fatal: ");
294 vsprintf(str + strlen(str), fmt, ap);
297 tell_str(stderr, str);
301 unsigned int msg_id = WM_RET_ERR_CNT;
303 msg_id = WM_LS_RET_ERR_CNT;
305 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
306 0 /*lParam */ ))SleepEx(1000, TRUE);
311 void connection_fatal(char *fmt, ...)
313 char str[0x100]; /* Make the size big enough */
316 strcpy(str, "Fatal: ");
317 vsprintf(str + strlen(str), fmt, ap);
320 tell_str(stderr, str);
324 unsigned int msg_id = WM_RET_ERR_CNT;
326 msg_id = WM_LS_RET_ERR_CNT;
328 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
329 0 /*lParam */ ))SleepEx(1000, TRUE);
336 * Be told what socket we're supposed to be using.
338 static SOCKET scp_ssh_socket;
339 char *do_select(SOCKET skt, int startup)
342 scp_ssh_socket = skt;
344 scp_ssh_socket = INVALID_SOCKET;
347 extern int select_result(WPARAM, LPARAM);
350 * Receive a block of data from the SSH link. Block until all data
353 * To do this, we repeatedly call the SSH protocol module, with our
354 * own trap in from_backend() to catch the data that comes back. We
355 * do this until we have enough data.
358 static unsigned char *outptr; /* where to put the data */
359 static unsigned outlen; /* how much data required */
360 static unsigned char *pending = NULL; /* any spare data */
361 static unsigned pendlen = 0, pendsize = 0; /* length and phys. size of buffer */
362 int from_backend(int is_stderr, char *data, int datalen)
364 unsigned char *p = (unsigned char *) data;
365 unsigned len = (unsigned) datalen;
368 * stderr data is just spouted to local stderr and otherwise
372 fwrite(data, 1, len, stderr);
379 * If this is before the real session begins, just return.
385 unsigned used = outlen;
388 memcpy(outptr, p, used);
396 if (pendsize < pendlen + len) {
397 pendsize = pendlen + len + 4096;
398 pending = (pending ? srealloc(pending, pendsize) :
401 fatalbox("Out of memory");
403 memcpy(pending + pendlen, p, len);
409 static int scp_process_network_event(void)
414 FD_SET(scp_ssh_socket, &readfds);
415 if (select(1, &readfds, NULL, NULL, NULL) < 0)
417 select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
420 static int ssh_scp_recv(unsigned char *buf, int len)
426 * See if the pending-input block contains some of what we
430 unsigned pendused = pendlen;
431 if (pendused > outlen)
433 memcpy(outptr, pending, pendused);
434 memmove(pending, pending + pendused, pendlen - pendused);
448 if (!scp_process_network_event())
456 * Loop through the ssh connection and authentication process.
458 static void ssh_scp_init(void)
460 if (scp_ssh_socket == INVALID_SOCKET)
462 while (!back->sendok()) {
465 FD_SET(scp_ssh_socket, &readfds);
466 if (select(1, &readfds, NULL, NULL, NULL) < 0)
468 select_result((WPARAM) scp_ssh_socket, (LPARAM) FD_READ);
470 using_sftp = !ssh_fallback_cmd;
474 * Print an error message and exit after closing the SSH link.
476 static void bump(char *fmt, ...)
478 char str[0x100]; /* Make the size big enough */
481 strcpy(str, "Fatal: ");
482 vsprintf(str + strlen(str), fmt, ap);
485 tell_str(stderr, str);
488 if (back != NULL && back->socket() != NULL) {
490 back->special(TS_EOF);
491 ssh_scp_recv(&ch, 1);
495 unsigned int msg_id = WM_RET_ERR_CNT;
497 msg_id = WM_LS_RET_ERR_CNT;
499 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
500 0 /*lParam */ ))SleepEx(1000, TRUE);
506 static int get_line(const char *prompt, char *str, int maxlen, int is_pw)
509 DWORD savemode, newmode, i;
511 if (is_pw && password) {
512 static int tried_once = 0;
517 strncpy(str, password, maxlen);
518 str[maxlen - 1] = '\0';
524 /* GUI Adaptation - Sept 2000 */
529 hin = GetStdHandle(STD_INPUT_HANDLE);
530 hout = GetStdHandle(STD_OUTPUT_HANDLE);
531 if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE)
532 bump("Cannot get standard input/output handles");
534 GetConsoleMode(hin, &savemode);
535 newmode = savemode | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
537 newmode &= ~ENABLE_ECHO_INPUT;
539 newmode |= ENABLE_ECHO_INPUT;
540 SetConsoleMode(hin, newmode);
542 WriteFile(hout, prompt, strlen(prompt), &i, NULL);
543 ReadFile(hin, str, maxlen - 1, &i, NULL);
545 SetConsoleMode(hin, savemode);
547 if ((int) i > maxlen)
554 WriteFile(hout, "\r\n", 2, &i, NULL);
561 * Open an SSH connection to user@host and execute cmd.
563 static void do_cmd(char *host, char *user, char *cmd)
565 char *err, *realhost;
568 if (host == NULL || host[0] == '\0')
569 bump("Empty host name");
571 /* Try to load settings for this host */
572 do_defaults(host, &cfg);
573 if (cfg.host[0] == '\0') {
574 /* No settings for this host; use defaults */
575 do_defaults(NULL, &cfg);
576 strncpy(cfg.host, host, sizeof(cfg.host) - 1);
577 cfg.host[sizeof(cfg.host) - 1] = '\0';
582 if (user != NULL && user[0] != '\0') {
583 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
584 cfg.username[sizeof(cfg.username) - 1] = '\0';
585 } else if (cfg.username[0] == '\0') {
587 if (GetUserName(user, &namelen) == FALSE)
588 bump("Empty user name");
589 user = smalloc(namelen * sizeof(char));
590 GetUserName(user, &namelen);
592 tell_user(stderr, "Guessing user name: %s", user);
593 strncpy(cfg.username, user, sizeof(cfg.username) - 1);
594 cfg.username[sizeof(cfg.username) - 1] = '\0';
598 if (cfg.protocol != PROT_SSH)
602 cfg.port = portnumber;
605 * Attempt to start the SFTP subsystem as a first choice,
606 * falling back to the provided scp command if that fails.
608 strcpy(cfg.remote_cmd, "sftp");
609 cfg.ssh_subsys = TRUE;
610 cfg.remote_cmd_ptr2 = cmd;
611 cfg.ssh_subsys2 = FALSE;
616 err = back->init(cfg.host, cfg.port, &realhost);
618 bump("ssh_init: %s", err);
620 if (verbose && realhost != NULL)
621 tell_user(stderr, "Connected to %s\n", realhost);
626 * Update statistic information about current file.
628 static void print_stats(char *name, unsigned long size, unsigned long done,
629 time_t start, time_t now)
637 /* GUI Adaptation - Sept 2000 */
639 gui_update_stats(name, size, (int) (100 * (done * 1.0 / size)),
640 (unsigned long) difftime(now, start));
643 ratebs = (float) done / (now - start);
645 ratebs = (float) done;
650 eta = (unsigned long) ((size - done) / ratebs);
651 sprintf(etastr, "%02ld:%02ld:%02ld",
652 eta / 3600, (eta % 3600) / 60, eta % 60);
654 pct = (int) (100.0 * (float) done / size);
656 len = printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
657 name, done / 1024, ratebs / 1024.0, etastr, pct);
658 if (len < prev_stats_len)
659 printf("%*s", prev_stats_len - len, "");
660 prev_stats_len = len;
668 * Find a colon in str and return a pointer to the colon.
669 * This is used to separate hostname from filename.
671 static char *colon(char *str)
673 /* We ignore a leading colon, since the hostname cannot be
674 empty. We also ignore a colon as second character because
675 of filenames like f:myfile.txt. */
676 if (str[0] == '\0' || str[0] == ':' || str[1] == ':')
678 while (*str != '\0' && *str != ':' && *str != '/' && *str != '\\')
687 * Return a pointer to the portion of str that comes after the last
688 * slash (or backslash, if `local' is TRUE).
690 static char *stripslashes(char *str, int local)
694 p = strrchr(str, '/');
698 p = strrchr(str, '\\');
706 * Determine whether a string is entirely composed of dots.
708 static int is_dots(char *str)
710 return str[strspn(str, ".")] == '\0';
714 * Wait for a response from the other side.
715 * Return 0 if ok, -1 if error.
717 static int response(void)
719 char ch, resp, rbuf[2048];
722 if (ssh_scp_recv(&resp, 1) <= 0)
723 bump("Lost connection");
733 case 2: /* fatal error */
735 if (ssh_scp_recv(&ch, 1) <= 0)
736 bump("Protocol error: Lost connection");
738 } while (p < sizeof(rbuf) && ch != '\n');
741 tell_user(stderr, "%s\n", rbuf);
749 int sftp_recvdata(char *buf, int len)
751 return ssh_scp_recv(buf, len);
753 int sftp_senddata(char *buf, int len)
755 back->send((unsigned char *) buf, len);
759 /* ----------------------------------------------------------------------
760 * sftp-based replacement for the hacky `pscp -ls'.
762 static int sftp_ls_compare(const void *av, const void *bv)
764 const struct fxp_name *a = (const struct fxp_name *) av;
765 const struct fxp_name *b = (const struct fxp_name *) bv;
766 return strcmp(a->filename, b->filename);
768 void scp_sftp_listdir(char *dirname)
770 struct fxp_handle *dirh;
771 struct fxp_names *names;
772 struct fxp_name *ournames;
773 int nnames, namesize;
777 printf("Listing directory %s\n", dirname);
779 dirh = fxp_opendir(dirname);
781 printf("Unable to open %s: %s\n", dir, fxp_error());
783 nnames = namesize = 0;
788 names = fxp_readdir(dirh);
790 if (fxp_error_type() == SSH_FX_EOF)
792 printf("Reading directory %s: %s\n", dir, fxp_error());
795 if (names->nnames == 0) {
796 fxp_free_names(names);
800 if (nnames + names->nnames >= namesize) {
801 namesize += names->nnames + 128;
803 srealloc(ournames, namesize * sizeof(*ournames));
806 for (i = 0; i < names->nnames; i++)
807 ournames[nnames++] = names->names[i];
809 names->nnames = 0; /* prevent free_names */
810 fxp_free_names(names);
815 * Now we have our filenames. Sort them by actual file
816 * name, and then output the longname parts.
818 qsort(ournames, nnames, sizeof(*ournames), sftp_ls_compare);
823 for (i = 0; i < nnames; i++)
824 printf("%s\n", ournames[i].longname);
828 /* ----------------------------------------------------------------------
829 * Helper routines that contain the actual SCP protocol elements,
830 * implemented both as SCP1 and SFTP.
833 static struct scp_sftp_dirstack {
834 struct scp_sftp_dirstack *next;
835 struct fxp_name *names;
836 int namepos, namelen;
839 } *scp_sftp_dirstack_head;
840 static char *scp_sftp_remotepath, *scp_sftp_currentname;
841 static char *scp_sftp_wildcard;
842 static int scp_sftp_targetisdir, scp_sftp_donethistarget;
843 static int scp_sftp_preserve, scp_sftp_recursive;
844 static unsigned long scp_sftp_mtime, scp_sftp_atime;
845 static int scp_has_times;
846 static struct fxp_handle *scp_sftp_filehandle;
847 static uint64 scp_sftp_fileoffset;
849 void scp_source_setup(char *target, int shouldbedir)
853 * Find out whether the target filespec is in fact a
856 struct fxp_attrs attrs;
858 if (!fxp_stat(target, &attrs) ||
859 !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS))
860 scp_sftp_targetisdir = 0;
862 scp_sftp_targetisdir = (attrs.permissions & 0040000) != 0;
864 if (shouldbedir && !scp_sftp_targetisdir) {
865 bump("pscp: remote filespec %s: not a directory\n", target);
868 scp_sftp_remotepath = dupstr(target);
876 int scp_send_errmsg(char *str)
879 /* do nothing; we never need to send our errors to the server */
881 back->send("\001", 1); /* scp protocol error prefix */
882 back->send(str, strlen(str));
884 return 0; /* can't fail */
887 int scp_send_filetimes(unsigned long mtime, unsigned long atime)
890 scp_sftp_mtime = mtime;
891 scp_sftp_atime = atime;
896 sprintf(buf, "T%lu 0 %lu 0\n", mtime, atime);
897 back->send(buf, strlen(buf));
902 int scp_send_filename(char *name, unsigned long size, int modes)
906 if (scp_sftp_targetisdir) {
907 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
909 fullname = dupstr(scp_sftp_remotepath);
911 scp_sftp_filehandle =
912 fxp_open(fullname, SSH_FXF_WRITE | SSH_FXF_CREAT | SSH_FXF_TRUNC);
913 if (!scp_sftp_filehandle) {
914 tell_user(stderr, "pscp: unable to open %s: %s",
915 fullname, fxp_error());
919 scp_sftp_fileoffset = uint64_make(0, 0);
924 sprintf(buf, "C%04o %lu ", modes, size);
925 back->send(buf, strlen(buf));
926 back->send(name, strlen(name));
932 int scp_send_filedata(char *data, int len)
935 if (!scp_sftp_filehandle) {
938 if (!fxp_write(scp_sftp_filehandle, data, scp_sftp_fileoffset, len)) {
939 tell_user(stderr, "error while writing: %s\n", fxp_error());
943 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, len);
946 int bufsize = back->send(data, len);
949 * If the network transfer is backing up - that is, the
950 * remote site is not accepting data as fast as we can
951 * produce it - then we must loop on network events until
952 * we have space in the buffer again.
954 while (bufsize > MAX_SCP_BUFSIZE) {
955 if (!scp_process_network_event())
957 bufsize = back->sendbuffer();
964 int scp_send_finish(void)
967 struct fxp_attrs attrs;
968 if (!scp_sftp_filehandle) {
972 attrs.flags = SSH_FILEXFER_ATTR_ACMODTIME;
973 attrs.atime = scp_sftp_atime;
974 attrs.mtime = scp_sftp_mtime;
975 if (!fxp_fsetstat(scp_sftp_filehandle, attrs)) {
976 tell_user(stderr, "unable to set file times: %s\n", fxp_error());
980 fxp_close(scp_sftp_filehandle);
989 char *scp_save_remotepath(void)
992 return scp_sftp_remotepath;
997 void scp_restore_remotepath(char *data)
1000 scp_sftp_remotepath = data;
1003 int scp_send_dirname(char *name, int modes)
1008 struct fxp_attrs attrs;
1009 if (scp_sftp_targetisdir) {
1010 fullname = dupcat(scp_sftp_remotepath, "/", name, NULL);
1012 fullname = dupstr(scp_sftp_remotepath);
1016 * We don't worry about whether we managed to create the
1017 * directory, because if it exists already it's OK just to
1018 * use it. Instead, we will stat it afterwards, and if it
1019 * exists and is a directory we will assume we were either
1020 * successful or it didn't matter.
1022 if (!fxp_mkdir(fullname))
1025 err = "server reported no error";
1026 if (!fxp_stat(fullname, &attrs) ||
1027 !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS) ||
1028 !(attrs.permissions & 0040000)) {
1029 tell_user(stderr, "unable to create directory %s: %s",
1035 scp_sftp_remotepath = fullname;
1040 sprintf(buf, "D%04o 0 ", modes);
1041 back->send(buf, strlen(buf));
1042 back->send(name, strlen(name));
1043 back->send("\n", 1);
1048 int scp_send_enddir(void)
1051 sfree(scp_sftp_remotepath);
1054 back->send("E\n", 2);
1060 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
1061 * That's bad. The difference is that scp_sink_setup is called once
1062 * right at the start, whereas scp_sink_init is called to
1063 * initialise every level of recursion in the protocol.
1065 int scp_sink_setup(char *source, int preserve, int recursive)
1070 * It's possible that the source string we've been given
1071 * contains a wildcard. If so, we must split the directory
1072 * away from the wildcard itself (throwing an error if any
1073 * wildcardness comes before the final slash) and arrange
1074 * things so that a dirstack entry will be set up.
1076 newsource = smalloc(1+strlen(source));
1077 if (!wc_unescape(newsource, source)) {
1078 /* Yes, here we go; it's a wildcard. Bah. */
1079 char *dupsource, *lastpart, *dirpart, *wildcard;
1080 dupsource = dupstr(source);
1081 lastpart = stripslashes(dupsource, 0);
1082 wildcard = dupstr(lastpart);
1084 if (*dupsource && dupsource[1]) {
1086 * The remains of dupsource are at least two
1087 * characters long, meaning the pathname wasn't
1088 * empty or just `/'. Hence, we remove the trailing
1091 lastpart[-1] = '\0';
1092 } else if (!*dupsource) {
1094 * The remains of dupsource are _empty_ - the whole
1095 * pathname was a wildcard. Hence we need to
1096 * replace it with ".".
1099 dupsource = dupstr(".");
1103 * Now we have separated our string into dupsource (the
1104 * directory part) and wildcard. Both of these will
1105 * need freeing at some point. Next step is to remove
1106 * wildcard escapes from the directory part, throwing
1107 * an error if it contains a real wildcard.
1109 dirpart = smalloc(1+strlen(dupsource));
1110 if (!wc_unescape(dirpart, dupsource)) {
1111 tell_user(stderr, "%s: multiple-level wildcards unsupported",
1121 * Now we have dirpart (unescaped, ie a valid remote
1122 * path), and wildcard (a wildcard). This will be
1123 * sufficient to arrange a dirstack entry.
1125 scp_sftp_remotepath = dirpart;
1126 scp_sftp_wildcard = wildcard;
1129 scp_sftp_remotepath = newsource;
1130 scp_sftp_wildcard = NULL;
1132 scp_sftp_preserve = preserve;
1133 scp_sftp_recursive = recursive;
1134 scp_sftp_donethistarget = 0;
1135 scp_sftp_dirstack_head = NULL;
1140 int scp_sink_init(void)
1148 #define SCP_SINK_FILE 1
1149 #define SCP_SINK_DIR 2
1150 #define SCP_SINK_ENDDIR 3
1151 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1152 struct scp_sink_action {
1153 int action; /* FILE, DIR, ENDDIR */
1154 char *buf; /* will need freeing after use */
1155 char *name; /* filename or dirname (not ENDDIR) */
1156 int mode; /* access mode (not ENDDIR) */
1157 unsigned long size; /* file size (not ENDDIR) */
1158 int settime; /* 1 if atime and mtime are filled */
1159 unsigned long atime, mtime; /* access times for the file */
1162 int scp_get_sink_action(struct scp_sink_action *act)
1166 int must_free_fname;
1167 struct fxp_attrs attrs;
1170 if (!scp_sftp_dirstack_head) {
1171 if (!scp_sftp_donethistarget) {
1173 * Simple case: we are only dealing with one file.
1175 fname = scp_sftp_remotepath;
1176 printf("oi :%s:\n", fname);
1177 must_free_fname = 0;
1178 scp_sftp_donethistarget = 1;
1181 * Even simpler case: one file _which we've done_.
1182 * Return 1 (finished).
1188 * We're now in the middle of stepping through a list
1189 * of names returned from fxp_readdir(); so let's carry
1192 struct scp_sftp_dirstack *head = scp_sftp_dirstack_head;
1193 while (head->namepos < head->namelen &&
1194 (is_dots(head->names[head->namepos].filename) ||
1196 !wc_match(head->wildcard,
1197 head->names[head->namepos].filename))))
1198 head->namepos++; /* skip . and .. */
1200 if (head->namepos < head->namelen) {
1201 fname = dupcat(head->dirpath, "/",
1202 head->names[head->namepos++].filename,
1204 printf("got :%s:\n", fname);
1205 must_free_fname = 1;
1208 * We've come to the end of the list; pop it off
1209 * the stack and return an ENDDIR action (or RETRY
1210 * if this was a wildcard match).
1212 if (head->wildcard) {
1213 act->action = SCP_SINK_RETRY;
1214 sfree(head->wildcard);
1216 act->action = SCP_SINK_ENDDIR;
1219 sfree(head->dirpath);
1221 scp_sftp_dirstack_head = head->next;
1227 printf("filename :%s:\n", fname);
1229 * Now we have a filename. Stat it, and see if it's a file
1232 ret = fxp_stat(fname, &attrs);
1233 if (!ret || !(attrs.flags & SSH_FILEXFER_ATTR_PERMISSIONS)) {
1234 tell_user(stderr, "unable to identify %s: %s", fname,
1235 ret ? "file type not supplied" : fxp_error());
1240 if (attrs.permissions & 0040000) {
1241 struct scp_sftp_dirstack *newitem;
1242 struct fxp_handle *dirhandle;
1243 int nnames, namesize;
1244 struct fxp_name *ournames;
1245 struct fxp_names *names;
1248 * It's a directory. If we're not in recursive mode,
1249 * this merits a complaint (which is fatal if the name
1250 * was specified directly, but not if it was matched by
1253 * We skip this complaint completely if
1254 * scp_sftp_wildcard is set, because that's an
1255 * indication that we're not actually supposed to
1256 * _recursively_ transfer the dir, just scan it for
1257 * things matching the wildcard.
1259 if (!scp_sftp_recursive && !scp_sftp_wildcard) {
1260 tell_user(stderr, "pscp: %s: is a directory", fname);
1262 if (must_free_fname) sfree(fname);
1263 if (scp_sftp_dirstack_head) {
1264 act->action = SCP_SINK_RETRY;
1272 * Otherwise, the fun begins. We must fxp_opendir() the
1273 * directory, slurp the filenames into memory, return
1274 * SCP_SINK_DIR (unless this is a wildcard match), and
1275 * set targetisdir. The next time we're called, we will
1276 * run through the list of filenames one by one,
1277 * matching them against a wildcard if present.
1279 * If targetisdir is _already_ set (meaning we're
1280 * already in the middle of going through another such
1281 * list), we must push the other (target,namelist) pair
1284 dirhandle = fxp_opendir(fname);
1286 tell_user(stderr, "scp: unable to open directory %s: %s",
1287 fname, fxp_error());
1288 if (must_free_fname) sfree(fname);
1292 nnames = namesize = 0;
1297 names = fxp_readdir(dirhandle);
1298 if (names == NULL) {
1299 if (fxp_error_type() == SSH_FX_EOF)
1301 tell_user(stderr, "scp: reading directory %s: %s\n",
1302 fname, fxp_error());
1303 if (must_free_fname) sfree(fname);
1308 if (names->nnames == 0) {
1309 fxp_free_names(names);
1312 if (nnames + names->nnames >= namesize) {
1313 namesize += names->nnames + 128;
1315 srealloc(ournames, namesize * sizeof(*ournames));
1317 for (i = 0; i < names->nnames; i++)
1318 ournames[nnames++] = names->names[i];
1319 names->nnames = 0; /* prevent free_names */
1320 fxp_free_names(names);
1322 fxp_close(dirhandle);
1324 newitem = smalloc(sizeof(struct scp_sftp_dirstack));
1325 newitem->next = scp_sftp_dirstack_head;
1326 newitem->names = ournames;
1327 newitem->namepos = 0;
1328 newitem->namelen = nnames;
1329 if (must_free_fname)
1330 newitem->dirpath = fname;
1332 newitem->dirpath = dupstr(fname);
1333 if (scp_sftp_wildcard) {
1334 newitem->wildcard = scp_sftp_wildcard;
1335 scp_sftp_wildcard = NULL;
1337 newitem->wildcard = NULL;
1339 scp_sftp_dirstack_head = newitem;
1341 if (newitem->wildcard) {
1342 act->action = SCP_SINK_RETRY;
1344 act->action = SCP_SINK_DIR;
1345 act->buf = dupstr(stripslashes(fname, 0));
1346 act->name = act->buf;
1347 act->size = 0; /* duhh, it's a directory */
1348 act->mode = 07777 & attrs.permissions;
1349 if (scp_sftp_preserve &&
1350 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1351 act->atime = attrs.atime;
1352 act->mtime = attrs.mtime;
1361 * It's a file. Return SCP_SINK_FILE.
1363 act->action = SCP_SINK_FILE;
1364 act->buf = dupstr(stripslashes(fname, 0));
1365 act->name = act->buf;
1366 if (attrs.flags & SSH_FILEXFER_ATTR_SIZE) {
1367 if (uint64_compare(attrs.size,
1368 uint64_make(0, ULONG_MAX)) > 0) {
1369 act->size = ULONG_MAX; /* *boggle* */
1371 act->size = attrs.size.lo;
1373 act->size = ULONG_MAX; /* no idea */
1374 act->mode = 07777 & attrs.permissions;
1375 if (scp_sftp_preserve &&
1376 (attrs.flags & SSH_FILEXFER_ATTR_ACMODTIME)) {
1377 act->atime = attrs.atime;
1378 act->mtime = attrs.mtime;
1382 if (must_free_fname)
1383 scp_sftp_currentname = fname;
1385 scp_sftp_currentname = dupstr(fname);
1400 if (ssh_scp_recv(&ch, 1) <= 0)
1403 bump("Protocol error: Unexpected newline");
1407 if (ssh_scp_recv(&ch, 1) <= 0)
1408 bump("Lost connection");
1411 act->buf = srealloc(act->buf, bufsize);
1414 } while (ch != '\n');
1415 act->buf[i - 1] = '\0';
1417 case '\01': /* error */
1418 tell_user(stderr, "%s\n", act->buf);
1420 continue; /* go round again */
1421 case '\02': /* fatal error */
1422 bump("%s", act->buf);
1425 act->action = SCP_SINK_ENDDIR;
1428 if (sscanf(act->buf, "%ld %*d %ld %*d",
1429 &act->mtime, &act->atime) == 2) {
1432 continue; /* go round again */
1434 bump("Protocol error: Illegal time format");
1437 act->action = (action == 'C' ? SCP_SINK_FILE : SCP_SINK_DIR);
1440 bump("Protocol error: Expected control record");
1443 * We will go round this loop only once, unless we hit
1450 * If we get here, we must have seen SCP_SINK_FILE or
1453 if (sscanf(act->buf, "%o %lu %n", &act->mode, &act->size, &i) != 2)
1454 bump("Protocol error: Illegal file descriptor format");
1455 act->name = act->buf + i;
1460 int scp_accept_filexfer(void)
1463 scp_sftp_filehandle =
1464 fxp_open(scp_sftp_currentname, SSH_FXF_READ);
1465 if (!scp_sftp_filehandle) {
1466 tell_user(stderr, "pscp: unable to open %s: %s",
1467 scp_sftp_currentname, fxp_error());
1471 scp_sftp_fileoffset = uint64_make(0, 0);
1472 sfree(scp_sftp_currentname);
1476 return 0; /* can't fail */
1480 int scp_recv_filedata(char *data, int len)
1483 int actuallen = fxp_read(scp_sftp_filehandle, data,
1484 scp_sftp_fileoffset, len);
1485 if (actuallen == -1 && fxp_error_type() != SSH_FX_EOF) {
1486 tell_user(stderr, "pscp: error while reading: %s", fxp_error());
1493 scp_sftp_fileoffset = uint64_add32(scp_sftp_fileoffset, actuallen);
1497 return ssh_scp_recv(data, len);
1501 int scp_finish_filerecv(void)
1504 fxp_close(scp_sftp_filehandle);
1512 /* ----------------------------------------------------------------------
1513 * Send an error message to the other side and to the screen.
1514 * Increment error counter.
1516 static void run_err(const char *fmt, ...)
1522 strcpy(str, "scp: ");
1523 vsprintf(str + strlen(str), fmt, ap);
1525 scp_send_errmsg(str);
1526 tell_user(stderr, "%s", str);
1531 * Execute the source part of the SCP protocol.
1533 static void source(char *src)
1540 unsigned long stat_bytes;
1541 time_t stat_starttime, stat_lasttime;
1543 attr = GetFileAttributes(src);
1544 if (attr == (DWORD) - 1) {
1545 run_err("%s: No such file or directory", src);
1549 if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
1552 * Avoid . and .. directories.
1555 p = strrchr(src, '/');
1557 p = strrchr(src, '\\');
1562 if (!strcmp(p, ".") || !strcmp(p, ".."))
1563 /* skip . and .. */ ;
1567 run_err("%s: not a regular file", src);
1572 if ((last = strrchr(src, '/')) == NULL)
1576 if (strrchr(last, '\\') != NULL)
1577 last = strrchr(last, '\\') + 1;
1578 if (last == src && strchr(src, ':') != NULL)
1579 last = strchr(src, ':') + 1;
1581 f = CreateFile(src, GENERIC_READ, FILE_SHARE_READ, NULL,
1582 OPEN_EXISTING, 0, 0);
1583 if (f == INVALID_HANDLE_VALUE) {
1584 run_err("%s: Cannot open file", src);
1589 FILETIME actime, wrtime;
1590 unsigned long mtime, atime;
1591 GetFileTime(f, NULL, &actime, &wrtime);
1592 TIME_WIN_TO_POSIX(actime, atime);
1593 TIME_WIN_TO_POSIX(wrtime, mtime);
1594 if (scp_send_filetimes(mtime, atime))
1598 size = GetFileSize(f, NULL);
1600 tell_user(stderr, "Sending file %s, size=%lu", last, size);
1601 if (scp_send_filename(last, size, 0644))
1605 stat_starttime = time(NULL);
1608 for (i = 0; i < size; i += 4096) {
1609 char transbuf[4096];
1614 if (!ReadFile(f, transbuf, k, &j, NULL) || j != k) {
1617 bump("%s: Read error", src);
1619 if (scp_send_filedata(transbuf, k))
1620 bump("%s: Network error occurred", src);
1624 if (time(NULL) != stat_lasttime || i + k == size) {
1625 stat_lasttime = time(NULL);
1626 print_stats(last, size, stat_bytes,
1627 stat_starttime, stat_lasttime);
1634 (void) scp_send_finish();
1638 * Recursively send the contents of a directory.
1640 static void rsource(char *src)
1642 char *last, *findfile;
1645 WIN32_FIND_DATA fdat;
1648 if ((last = strrchr(src, '/')) == NULL)
1652 if (strrchr(last, '\\') != NULL)
1653 last = strrchr(last, '\\') + 1;
1654 if (last == src && strchr(src, ':') != NULL)
1655 last = strchr(src, ':') + 1;
1657 /* maybe send filetime */
1659 save_target = scp_save_remotepath();
1662 tell_user(stderr, "Entering directory: %s", last);
1663 if (scp_send_dirname(last, 0755))
1666 findfile = dupcat(src, "/*", NULL);
1667 dir = FindFirstFile(findfile, &fdat);
1668 ok = (dir != INVALID_HANDLE_VALUE);
1670 if (strcmp(fdat.cFileName, ".") == 0 ||
1671 strcmp(fdat.cFileName, "..") == 0) {
1672 /* ignore . and .. */
1674 char *foundfile = dupcat(src, "/", fdat.cFileName, NULL);
1678 ok = FindNextFile(dir, &fdat);
1683 (void) scp_send_enddir();
1685 scp_restore_remotepath(save_target);
1689 * Execute the sink part of the SCP protocol.
1691 static void sink(char *targ, char *src)
1700 unsigned long received;
1702 unsigned long stat_bytes;
1703 time_t stat_starttime, stat_lasttime;
1706 attr = GetFileAttributes(targ);
1707 if (attr != (DWORD) - 1 && (attr & FILE_ATTRIBUTE_DIRECTORY) != 0)
1710 if (targetshouldbedirectory && !targisdir)
1711 bump("%s: Not a directory", targ);
1715 struct scp_sink_action act;
1716 if (scp_get_sink_action(&act))
1719 if (act.action == SCP_SINK_ENDDIR)
1722 if (act.action == SCP_SINK_RETRY)
1727 * Prevent the remote side from maliciously writing to
1728 * files outside the target area by sending a filename
1729 * containing `../'. In fact, it shouldn't be sending
1730 * filenames with any slashes in at all; so we'll find
1731 * the last slash or backslash in the filename and use
1732 * only the part after that. (And warn!)
1734 * In addition, we also ensure here that if we're
1735 * copying a single file and the target is a directory
1736 * (common usage: `pscp host:filename .') the remote
1737 * can't send us a _different_ file name. We can
1738 * distinguish this case because `src' will be non-NULL
1739 * and the last component of that will fail to match
1740 * (the last component of) the name sent.
1742 * (Well, not always; if `src' is a wildcard, we do
1743 * expect to get back filenames that don't correspond
1744 * exactly to it. So we skip this check if `src'
1745 * contains a *, a ? or a []. This is non-ideal - we
1746 * would like to ensure that the returned filename
1747 * actually matches the wildcard pattern - but one of
1748 * SCP's protocol infelicities is that wildcard
1749 * matching is done at the server end _by the server's
1750 * rules_ and so in general this is infeasible. Live
1751 * with it, or upgrade to SFTP.)
1753 char *striptarget, *stripsrc;
1755 striptarget = stripslashes(act.name, 1);
1756 if (striptarget != act.name) {
1757 tell_user(stderr, "warning: remote host sent a compound"
1758 " pathname - possibly malicious! (ignored)");
1762 * Also check to see if the target filename is '.' or
1763 * '..', or indeed '...' and so on because Windows
1764 * appears to interpret those like '..'.
1766 if (is_dots(striptarget)) {
1767 bump("security violation: remote host attempted to write to"
1768 " a '.' or '..' path!");
1772 stripsrc = stripslashes(src, 1);
1773 if (!stripsrc[strcspn(stripsrc, "*?[]")] &&
1774 strcmp(striptarget, stripsrc)) {
1775 tell_user(stderr, "warning: remote host attempted to"
1776 " write to a different filename: disallowing");
1777 /* Override the name the server provided with our own. */
1778 striptarget = stripsrc;
1782 if (targ[0] != '\0')
1783 destfname = dupcat(targ, "\\", striptarget, NULL);
1785 destfname = dupstr(striptarget);
1788 * In this branch of the if, the target area is a
1789 * single file with an explicitly specified name in any
1790 * case, so there's no danger.
1792 destfname = dupstr(targ);
1794 attr = GetFileAttributes(destfname);
1795 exists = (attr != (DWORD) - 1);
1797 if (act.action == SCP_SINK_DIR) {
1798 if (exists && (attr & FILE_ATTRIBUTE_DIRECTORY) == 0) {
1799 run_err("%s: Not a directory", destfname);
1803 if (!CreateDirectory(destfname, NULL)) {
1804 run_err("%s: Cannot create directory", destfname);
1808 sink(destfname, NULL);
1809 /* can we set the timestamp for directories ? */
1813 f = CreateFile(destfname, GENERIC_WRITE, 0, NULL,
1814 CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
1815 if (f == INVALID_HANDLE_VALUE) {
1816 run_err("%s: Cannot create file", destfname);
1820 if (scp_accept_filexfer())
1824 stat_starttime = time(NULL);
1826 stat_name = stripslashes(destfname, 1);
1829 while (received < act.size) {
1830 char transbuf[4096];
1831 DWORD blksize, read, written;
1833 if (blksize > act.size - received)
1834 blksize = act.size - received;
1835 read = scp_recv_filedata(transbuf, blksize);
1837 bump("Lost connection");
1840 if (!WriteFile(f, transbuf, read, &written, NULL) ||
1843 /* FIXME: in sftp we can actually abort the transfer */
1845 printf("\r%-25.25s | %50s\n",
1847 "Write error.. waiting for end of file");
1852 if (time(NULL) > stat_lasttime ||
1853 received + read == act.size) {
1854 stat_lasttime = time(NULL);
1855 print_stats(stat_name, act.size, stat_bytes,
1856 stat_starttime, stat_lasttime);
1862 FILETIME actime, wrtime;
1863 TIME_POSIX_TO_WIN(act.atime, actime);
1864 TIME_POSIX_TO_WIN(act.mtime, wrtime);
1865 SetFileTime(f, NULL, &actime, &wrtime);
1870 run_err("%s: Write error", destfname);
1873 (void) scp_finish_filerecv();
1880 * We will copy local files to a remote server.
1882 static void toremote(int argc, char *argv[])
1884 char *src, *targ, *host, *user;
1888 targ = argv[argc - 1];
1890 /* Separate host from filename */
1894 bump("targ == NULL in toremote()");
1898 /* Substitute "." for emtpy target */
1900 /* Separate host and username */
1902 host = strrchr(host, '@');
1913 /* Find out if the source filespec covers multiple files
1914 if so, we should set the targetshouldbedirectory flag */
1916 WIN32_FIND_DATA fdat;
1917 if (colon(argv[0]) != NULL)
1918 bump("%s: Remote to remote not supported", argv[0]);
1919 fh = FindFirstFile(argv[0], &fdat);
1920 if (fh == INVALID_HANDLE_VALUE)
1921 bump("%s: No such file or directory\n", argv[0]);
1922 if (FindNextFile(fh, &fdat))
1923 targetshouldbedirectory = 1;
1927 cmd = smalloc(strlen(targ) + 100);
1928 sprintf(cmd, "scp%s%s%s%s -t %s",
1929 verbose ? " -v" : "",
1930 recursive ? " -r" : "",
1931 preserve ? " -p" : "",
1932 targetshouldbedirectory ? " -d" : "", targ);
1933 do_cmd(host, user, cmd);
1936 scp_source_setup(targ, targetshouldbedirectory);
1938 for (i = 0; i < argc - 1; i++) {
1939 char *srcpath, *last;
1941 WIN32_FIND_DATA fdat;
1943 if (colon(src) != NULL) {
1944 tell_user(stderr, "%s: Remote to remote not supported\n", src);
1950 * Trim off the last pathname component of `src', to
1951 * provide the base pathname which will be prepended to
1952 * filenames returned from Find{First,Next}File.
1954 srcpath = dupstr(src);
1955 last = stripslashes(srcpath, 1);
1956 if (last == srcpath) {
1957 last = strchr(srcpath, ':');
1965 dir = FindFirstFile(src, &fdat);
1966 if (dir == INVALID_HANDLE_VALUE) {
1967 run_err("%s: No such file or directory", src);
1974 * Ensure that . and .. are never matched by wildcards,
1975 * but only by deliberate action.
1977 if (!strcmp(fdat.cFileName, ".") ||
1978 !strcmp(fdat.cFileName, "..")) {
1980 * Find*File has returned a special dir. We require
1981 * that _either_ `src' ends in a backslash followed
1982 * by that string, _or_ `src' is precisely that
1985 int len = strlen(src), dlen = strlen(fdat.cFileName);
1986 if (len == dlen && !strcmp(src, fdat.cFileName)) {
1988 } else if (len > dlen + 1 && src[len - dlen - 1] == '\\' &&
1989 !strcmp(src + len - dlen, fdat.cFileName)) {
1992 continue; /* ignore this one */
1994 filename = dupcat(srcpath, fdat.cFileName, NULL);
1997 } while (FindNextFile(dir, &fdat));
2004 * We will copy files from a remote server to the local machine.
2006 static void tolocal(int argc, char *argv[])
2008 char *src, *targ, *host, *user;
2012 bump("More than one remote source not supported");
2017 /* Separate host from filename */
2021 bump("Local to local copy not supported");
2025 /* Substitute "." for empty filename */
2027 /* Separate username and hostname */
2029 host = strrchr(host, '@');
2039 cmd = smalloc(strlen(src) + 100);
2040 sprintf(cmd, "scp%s%s%s%s -f %s",
2041 verbose ? " -v" : "",
2042 recursive ? " -r" : "",
2043 preserve ? " -p" : "",
2044 targetshouldbedirectory ? " -d" : "", src);
2045 do_cmd(host, user, cmd);
2048 if (scp_sink_setup(src, preserve, recursive))
2055 * We will issue a list command to get a remote directory.
2057 static void get_dir_list(int argc, char *argv[])
2059 char *src, *host, *user;
2065 /* Separate host from filename */
2069 bump("Local to local copy not supported");
2073 /* Substitute "." for empty filename */
2075 /* Separate username and hostname */
2077 host = strrchr(host, '@');
2087 cmd = smalloc(4 * strlen(src) + 100);
2088 strcpy(cmd, "ls -la '");
2089 p = cmd + strlen(cmd);
2090 for (q = src; *q; q++) {
2103 do_cmd(host, user, cmd);
2107 scp_sftp_listdir(src);
2109 while (ssh_scp_recv(&c, 1) > 0)
2110 tell_char(stdout, c);
2115 * Initialize the Win$ock driver.
2117 static void init_winsock(void)
2122 winsock_ver = MAKEWORD(1, 1);
2123 if (WSAStartup(winsock_ver, &wsadata))
2124 bump("Unable to initialise WinSock");
2125 if (LOBYTE(wsadata.wVersion) != 1 || HIBYTE(wsadata.wVersion) != 1)
2126 bump("WinSock version is incompatible with 1.1");
2130 * Short description of parameters.
2132 static void usage(void)
2134 printf("PuTTY Secure Copy client\n");
2135 printf("%s\n", ver);
2136 printf("Usage: pscp [options] [user@]host:source target\n");
2138 (" pscp [options] source [source...] [user@]host:target\n");
2139 printf(" pscp [options] -ls user@host:filespec\n");
2140 printf("Options:\n");
2141 printf(" -p preserve file attributes\n");
2142 printf(" -q quiet, don't show statistics\n");
2143 printf(" -r copy directories recursively\n");
2144 printf(" -v show verbose messages\n");
2145 printf(" -P port connect to specified port\n");
2146 printf(" -pw passw login with specified password\n");
2149 * -gui is an internal option, used by GUI front ends to get
2150 * pscp to pass progress reports back to them. It's not an
2151 * ordinary user-accessible option, so it shouldn't be part of
2152 * the command-line help. The only people who need to know
2153 * about it are programmers, and they can read the source.
2156 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2162 * Main program (no, really?)
2164 int main(int argc, char *argv[])
2168 default_protocol = PROT_TELNET;
2170 flags = FLAG_STDERR;
2171 ssh_get_line = &get_line;
2175 for (i = 1; i < argc; i++) {
2176 if (argv[i][0] != '-')
2178 if (strcmp(argv[i], "-v") == 0)
2179 verbose = 1, flags |= FLAG_VERBOSE;
2180 else if (strcmp(argv[i], "-r") == 0)
2182 else if (strcmp(argv[i], "-p") == 0)
2184 else if (strcmp(argv[i], "-q") == 0)
2186 else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-?") == 0)
2188 else if (strcmp(argv[i], "-P") == 0 && i + 1 < argc)
2189 portnumber = atoi(argv[++i]);
2190 else if (strcmp(argv[i], "-pw") == 0 && i + 1 < argc)
2191 password = argv[++i];
2192 else if (strcmp(argv[i], "-gui") == 0 && i + 1 < argc) {
2193 gui_hwnd = argv[++i];
2195 } else if (strcmp(argv[i], "-ls") == 0)
2197 else if (strcmp(argv[i], "--") == 0) {
2210 get_dir_list(argc, argv);
2217 targetshouldbedirectory = 1;
2219 if (colon(argv[argc - 1]) != NULL)
2220 toremote(argc, argv);
2222 tolocal(argc, argv);
2225 if (back != NULL && back->socket() != NULL) {
2227 back->special(TS_EOF);
2228 ssh_scp_recv(&ch, 1);
2233 /* GUI Adaptation - August 2000 */
2235 unsigned int msg_id = WM_RET_ERR_CNT;
2237 msg_id = WM_LS_RET_ERR_CNT;
2239 ((HWND) atoi(gui_hwnd), msg_id, (WPARAM) errs,
2240 0 /*lParam */ ))SleepEx(1000, TRUE);
2242 return (errs == 0 ? 0 : 1);