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 prev_stats_len
= 0;
87 static int scp_unsafe_mode
= 0;
89 /* GUI Adaptation - Sept 2000 */
90 #define NAME_STR_MAX 2048
91 static char statname
[NAME_STR_MAX
+ 1];
92 static unsigned long statsize
= 0;
93 static unsigned long statdone
= 0;
94 static unsigned long stateta
= 0;
95 static unsigned long statratebs
= 0;
96 static int statperct
= 0;
97 static unsigned long statelapsed
= 0;
98 static int gui_mode
= 0;
99 static char *gui_hwnd
= NULL
;
100 static int using_sftp
= 0;
102 static Backend
*back
;
103 static void *backhandle
;
105 static void source(char *src
);
106 static void rsource(char *src
);
107 static void sink(char *targ
, char *src
);
108 /* GUI Adaptation - Sept 2000 */
109 static void tell_char(FILE * stream
, char c
);
110 static void tell_str(FILE * stream
, char *str
);
111 static void tell_user(FILE * stream
, char *fmt
, ...);
112 static void gui_update_stats(char *name
, unsigned long size
,
113 int percentage
, unsigned long elapsed
,
114 unsigned long done
, unsigned long eta
,
115 unsigned long ratebs
);
118 * The maximum amount of queued data we accept before we stop and
119 * wait for the server to process some.
121 #define MAX_SCP_BUFSIZE 16384
123 void ldisc_send(void *handle
, char *buf
, int len
, int interactive
)
126 * This is only here because of the calls to ldisc_send(NULL,
127 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
128 * as an ldisc. So if we get called with any real data, I want
134 /* GUI Adaptation - Sept 2000 */
135 static void send_msg(HWND h
, UINT message
, WPARAM wParam
)
137 while (!PostMessage(h
, message
, wParam
, 0))
141 static void tell_char(FILE * stream
, char c
)
146 unsigned int msg_id
= WM_STD_OUT_CHAR
;
147 if (stream
== stderr
)
148 msg_id
= WM_STD_ERR_CHAR
;
149 send_msg((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) c
);
153 static void tell_str(FILE * stream
, char *str
)
157 for (i
= 0; i
< strlen(str
); ++i
)
158 tell_char(stream
, str
[i
]);
161 static void tell_user(FILE * stream
, char *fmt
, ...)
166 str
= dupvprintf(fmt
, ap
);
168 str2
= dupcat(str
, "\n", NULL
);
170 tell_str(stream
, str2
);
174 static void gui_update_stats(char *name
, unsigned long size
,
175 int percentage
, unsigned long elapsed
,
176 unsigned long done
, unsigned long eta
,
177 unsigned long ratebs
)
181 if (strcmp(name
, statname
) != 0) {
182 for (i
= 0; i
< strlen(name
); ++i
)
183 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
,
185 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
, (WPARAM
) '\n');
186 strcpy(statname
, name
);
188 if (statsize
!= size
) {
189 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_SIZE
, (WPARAM
) size
);
192 if (statdone
!= done
) {
193 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_DONE
, (WPARAM
) done
);
196 if (stateta
!= eta
) {
197 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ETA
, (WPARAM
) eta
);
200 if (statratebs
!= ratebs
) {
201 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_RATEBS
, (WPARAM
) ratebs
);
204 if (statelapsed
!= elapsed
) {
205 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ELAPSED
,
207 statelapsed
= elapsed
;
209 if (statperct
!= percentage
) {
210 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_PERCENT
,
211 (WPARAM
) percentage
);
212 statperct
= percentage
;
217 * Print an error message and perform a fatal exit.
219 void fatalbox(char *fmt
, ...)
224 str
= dupvprintf(fmt
, ap
);
225 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
228 tell_str(stderr
, str2
);
233 unsigned int msg_id
= WM_RET_ERR_CNT
;
235 msg_id
= WM_LS_RET_ERR_CNT
;
237 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
238 0 /*lParam */ ))SleepEx(1000, TRUE
);
243 void modalfatalbox(char *fmt
, ...)
248 str
= dupvprintf(fmt
, ap
);
249 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
252 tell_str(stderr
, str2
);
257 unsigned int msg_id
= WM_RET_ERR_CNT
;
259 msg_id
= WM_LS_RET_ERR_CNT
;
261 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
262 0 /*lParam */ ))SleepEx(1000, TRUE
);
267 void connection_fatal(void *frontend
, char *fmt
, ...)
272 str
= dupvprintf(fmt
, ap
);
273 str2
= dupcat("Fatal: ", str
, "\n", NULL
);
276 tell_str(stderr
, str2
);
281 unsigned int msg_id
= WM_RET_ERR_CNT
;
283 msg_id
= WM_LS_RET_ERR_CNT
;
285 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
286 0 /*lParam */ ))SleepEx(1000, TRUE
);
293 * Be told what socket we're supposed to be using.
295 static SOCKET scp_ssh_socket
;
296 char *do_select(SOCKET skt
, int startup
)
299 scp_ssh_socket
= skt
;
301 scp_ssh_socket
= INVALID_SOCKET
;
304 extern int select_result(WPARAM
, LPARAM
);
307 * Receive a block of data from the SSH link. Block until all data
310 * To do this, we repeatedly call the SSH protocol module, with our
311 * own trap in from_backend() to catch the data that comes back. We
312 * do this until we have enough data.
315 static unsigned char *outptr
; /* where to put the data */
316 static unsigned outlen
; /* how much data required */
317 static unsigned char *pending
= NULL
; /* any spare data */
318 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
319 int from_backend(void *frontend
, int is_stderr
, char *data
, int datalen
)
321 unsigned char *p
= (unsigned char *) data
;
322 unsigned len
= (unsigned) datalen
;
327 * stderr data is just spouted to local stderr and otherwise
331 fwrite(data
, 1, len
, stderr
);
336 * If this is before the real session begins, just return.
342 unsigned used
= outlen
;
345 memcpy(outptr
, p
, used
);
353 if (pendsize
< pendlen
+ len
) {
354 pendsize
= pendlen
+ len
+ 4096;
355 pending
= (pending ?
srealloc(pending
, pendsize
) :
358 fatalbox("Out of memory");
360 memcpy(pending
+ pendlen
, p
, len
);
366 static int scp_process_network_event(void)
371 FD_SET(scp_ssh_socket
, &readfds
);
372 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
374 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
377 static int ssh_scp_recv(unsigned char *buf
, int len
)
383 * See if the pending-input block contains some of what we
387 unsigned pendused
= pendlen
;
388 if (pendused
> outlen
)
390 memcpy(outptr
, pending
, pendused
);
391 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
405 if (!scp_process_network_event())
413 * Loop through the ssh connection and authentication process.
415 static void ssh_scp_init(void)
417 if (scp_ssh_socket
== INVALID_SOCKET
)
419 while (!back
->sendok(backhandle
)) {
422 FD_SET(scp_ssh_socket
, &readfds
);
423 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
425 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
427 using_sftp
= !ssh_fallback_cmd(backhandle
);
431 * Print an error message and exit after closing the SSH link.
433 static void bump(char *fmt
, ...)
438 str
= dupvprintf(fmt
, ap
);
440 str2
= dupcat(str
, "\n", NULL
);
442 tell_str(stderr
, str2
);
446 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
448 back
->special(backhandle
, TS_EOF
);
449 ssh_scp_recv(&ch
, 1);
453 unsigned int msg_id
= WM_RET_ERR_CNT
;
455 msg_id
= WM_LS_RET_ERR_CNT
;
457 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
458 0 /*lParam */ ))SleepEx(1000, TRUE
);
465 * Open an SSH connection to user@host and execute cmd.
467 static void do_cmd(char *host
, char *user
, char *cmd
)
469 char *err
, *realhost
;
472 if (host
== NULL
|| host
[0] == '\0')
473 bump("Empty host name");
475 /* Try to load settings for this host */
476 do_defaults(host
, &cfg
);
477 if (cfg
.host
[0] == '\0') {
478 /* No settings for this host; use defaults */
479 do_defaults(NULL
, &cfg
);
480 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
481 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
485 * Force use of SSH. (If they got the protocol wrong we assume the
486 * port is useless too.)
488 if (cfg
.protocol
!= PROT_SSH
) {
489 cfg
.protocol
= PROT_SSH
;
494 * Enact command-line overrides.
499 * Trim leading whitespace off the hostname if it's there.
502 int space
= strspn(cfg
.host
, " \t");
503 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
506 /* See if host is of the form user@host */
507 if (cfg
.host
[0] != '\0') {
508 char *atsign
= strchr(cfg
.host
, '@');
509 /* Make sure we're not overflowing the user field */
511 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
512 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
513 cfg
.username
[atsign
- cfg
.host
] = '\0';
515 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
520 * Trim a colon suffix off the hostname if it's there.
522 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
525 * Remove any remaining whitespace from the hostname.
529 while (cfg
.host
[p2
] != '\0') {
530 if (cfg
.host
[p2
] != ' ' && cfg
.host
[p2
] != '\t') {
531 cfg
.host
[p1
] = cfg
.host
[p2
];
540 if (user
!= NULL
&& user
[0] != '\0') {
541 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
542 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
543 } else if (cfg
.username
[0] == '\0') {
545 if (GetUserName(user
, &namelen
) == FALSE
)
546 bump("Empty user name");
547 user
= smalloc(namelen
* sizeof(char));
548 GetUserName(user
, &namelen
);
550 tell_user(stderr
, "Guessing user name: %s", user
);
551 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
552 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
557 * Disable scary things which shouldn't be enabled for simple
558 * things like SCP and SFTP: agent forwarding, port forwarding,
563 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
566 * Attempt to start the SFTP subsystem as a first choice,
567 * falling back to the provided scp command if that fails.
569 strcpy(cfg
.remote_cmd
, "sftp");
570 cfg
.ssh_subsys
= TRUE
;
571 cfg
.remote_cmd_ptr2
= cmd
;
572 cfg
.ssh_subsys2
= FALSE
;
577 err
= back
->init(NULL
, &backhandle
, cfg
.host
, cfg
.port
, &realhost
, 0);
579 bump("ssh_init: %s", err
);
580 logctx
= log_init(NULL
);
581 back
->provide_logctx(backhandle
, logctx
);
583 if (verbose
&& realhost
!= NULL
)
584 tell_user(stderr
, "Connected to %s\n", realhost
);
589 * Update statistic information about current file.
591 static void print_stats(char *name
, unsigned long size
, unsigned long done
,
592 time_t start
, time_t now
)
601 elap
= (unsigned long) difftime(now
, start
);
604 ratebs
= (float) done
/ elap
;
606 ratebs
= (float) done
;
611 eta
= (unsigned long) ((size
- done
) / ratebs
);
612 sprintf(etastr
, "%02ld:%02ld:%02ld",
613 eta
/ 3600, (eta
% 3600) / 60, eta
% 60);
615 pct
= (int) (100 * (done
* 1.0 / size
));
618 /* GUI Adaptation - Sept 2000 */
619 gui_update_stats(name
, size
, pct
, elap
, done
, eta
,
620 (unsigned long) ratebs
);
622 len
= printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
623 name
, done
/ 1024, ratebs
/ 1024.0, etastr
, pct
);
624 if (len
< prev_stats_len
)
625 printf("%*s", prev_stats_len
- len
, "");
626 prev_stats_len
= len
;
634 * Find a colon in str and return a pointer to the colon.
635 * This is used to separate hostname from filename.
637 static char *colon(char *str
)
639 /* We ignore a leading colon, since the hostname cannot be
640 empty. We also ignore a colon as second character because
641 of filenames like f:myfile.txt. */
642 if (str
[0] == '\0' || str
[0] == ':' || str
[1] == ':')
644 while (*str
!= '\0' && *str
!= ':' && *str
!= '/' && *str
!= '\\')
653 * Return a pointer to the portion of str that comes after the last
654 * slash (or backslash or colon, if `local' is TRUE).
656 static char *stripslashes(char *str
, int local
)
661 p
= strchr(str
, ':');
665 p
= strrchr(str
, '/');
669 p
= strrchr(str
, '\\');
677 * Determine whether a string is entirely composed of dots.
679 static int is_dots(char *str
)
681 return str
[strspn(str
, ".")] == '\0';
685 * Wait for a response from the other side.
686 * Return 0 if ok, -1 if error.
688 static int response(void)
690 char ch
, resp
, rbuf
[2048];
693 if (ssh_scp_recv(&resp
, 1) <= 0)
694 bump("Lost connection");
704 case 2: /* fatal error */
706 if (ssh_scp_recv(&ch
, 1) <= 0)
707 bump("Protocol error: Lost connection");
709 } while (p
< sizeof(rbuf
) && ch
!= '\n');
712 tell_user(stderr
, "%s\n", rbuf
);
720 int sftp_recvdata(char *buf
, int len
)
722 return ssh_scp_recv(buf
, len
);
724 int sftp_senddata(char *buf
, int len
)
726 back
->send(backhandle
, (unsigned char *) buf
, len
);
730 /* ----------------------------------------------------------------------
731 * sftp-based replacement for the hacky `pscp -ls'.
733 static int sftp_ls_compare(const void *av
, const void *bv
)
735 const struct fxp_name
*a
= (const struct fxp_name
*) av
;
736 const struct fxp_name
*b
= (const struct fxp_name
*) bv
;
737 return strcmp(a
->filename
, b
->filename
);
739 void scp_sftp_listdir(char *dirname
)
741 struct fxp_handle
*dirh
;
742 struct fxp_names
*names
;
743 struct fxp_name
*ournames
;
744 int nnames
, namesize
;
748 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
753 printf("Listing directory %s\n", dirname
);
755 dirh
= fxp_opendir(dirname
);
757 printf("Unable to open %s: %s\n", dirname
, fxp_error());
759 nnames
= namesize
= 0;
764 names
= fxp_readdir(dirh
);
766 if (fxp_error_type() == SSH_FX_EOF
)
768 printf("Reading directory %s: %s\n", dirname
, fxp_error());
771 if (names
->nnames
== 0) {
772 fxp_free_names(names
);
776 if (nnames
+ names
->nnames
>= namesize
) {
777 namesize
+= names
->nnames
+ 128;
779 srealloc(ournames
, namesize
* sizeof(*ournames
));
782 for (i
= 0; i
< names
->nnames
; i
++)
783 ournames
[nnames
++] = names
->names
[i
];
785 names
->nnames
= 0; /* prevent free_names */
786 fxp_free_names(names
);
791 * Now we have our filenames. Sort them by actual file
792 * name, and then output the longname parts.
794 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
799 for (i
= 0; i
< nnames
; i
++)
800 printf("%s\n", ournames
[i
].longname
);
804 /* ----------------------------------------------------------------------
805 * Helper routines that contain the actual SCP protocol elements,
806 * implemented both as SCP1 and SFTP.
809 static struct scp_sftp_dirstack
{
810 struct scp_sftp_dirstack
*next
;
811 struct fxp_name
*names
;
812 int namepos
, namelen
;
815 int matched_something
; /* wildcard match set was non-empty */
816 } *scp_sftp_dirstack_head
;
817 static char *scp_sftp_remotepath
, *scp_sftp_currentname
;
818 static char *scp_sftp_wildcard
;
819 static int scp_sftp_targetisdir
, scp_sftp_donethistarget
;
820 static int scp_sftp_preserve
, scp_sftp_recursive
;
821 static unsigned long scp_sftp_mtime
, scp_sftp_atime
;
822 static int scp_has_times
;
823 static struct fxp_handle
*scp_sftp_filehandle
;
824 static uint64 scp_sftp_fileoffset
;
826 void scp_source_setup(char *target
, int shouldbedir
)
830 * Find out whether the target filespec is in fact a
833 struct fxp_attrs attrs
;
836 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
841 if (!fxp_stat(target
, &attrs
) ||
842 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
))
843 scp_sftp_targetisdir
= 0;
845 scp_sftp_targetisdir
= (attrs
.permissions
& 0040000) != 0;
847 if (shouldbedir
&& !scp_sftp_targetisdir
) {
848 bump("pscp: remote filespec %s: not a directory\n", target
);
851 scp_sftp_remotepath
= dupstr(target
);
859 int scp_send_errmsg(char *str
)
862 /* do nothing; we never need to send our errors to the server */
864 back
->send(backhandle
, "\001", 1);/* scp protocol error prefix */
865 back
->send(backhandle
, str
, strlen(str
));
867 return 0; /* can't fail */
870 int scp_send_filetimes(unsigned long mtime
, unsigned long atime
)
873 scp_sftp_mtime
= mtime
;
874 scp_sftp_atime
= atime
;
879 sprintf(buf
, "T%lu 0 %lu 0\n", mtime
, atime
);
880 back
->send(backhandle
, buf
, strlen(buf
));
885 int scp_send_filename(char *name
, unsigned long size
, int modes
)
889 if (scp_sftp_targetisdir
) {
890 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
892 fullname
= dupstr(scp_sftp_remotepath
);
894 scp_sftp_filehandle
=
895 fxp_open(fullname
, SSH_FXF_WRITE
| SSH_FXF_CREAT
| SSH_FXF_TRUNC
);
896 if (!scp_sftp_filehandle
) {
897 tell_user(stderr
, "pscp: unable to open %s: %s",
898 fullname
, fxp_error());
902 scp_sftp_fileoffset
= uint64_make(0, 0);
907 sprintf(buf
, "C%04o %lu ", modes
, size
);
908 back
->send(backhandle
, buf
, strlen(buf
));
909 back
->send(backhandle
, name
, strlen(name
));
910 back
->send(backhandle
, "\n", 1);
915 int scp_send_filedata(char *data
, int len
)
918 if (!scp_sftp_filehandle
) {
921 if (!fxp_write(scp_sftp_filehandle
, data
, scp_sftp_fileoffset
, len
)) {
922 tell_user(stderr
, "error while writing: %s\n", fxp_error());
926 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, len
);
929 int bufsize
= back
->send(backhandle
, data
, len
);
932 * If the network transfer is backing up - that is, the
933 * remote site is not accepting data as fast as we can
934 * produce it - then we must loop on network events until
935 * we have space in the buffer again.
937 while (bufsize
> MAX_SCP_BUFSIZE
) {
938 if (!scp_process_network_event())
940 bufsize
= back
->sendbuffer(backhandle
);
947 int scp_send_finish(void)
950 struct fxp_attrs attrs
;
951 if (!scp_sftp_filehandle
) {
955 attrs
.flags
= SSH_FILEXFER_ATTR_ACMODTIME
;
956 attrs
.atime
= scp_sftp_atime
;
957 attrs
.mtime
= scp_sftp_mtime
;
958 if (!fxp_fsetstat(scp_sftp_filehandle
, attrs
)) {
959 tell_user(stderr
, "unable to set file times: %s\n", fxp_error());
963 fxp_close(scp_sftp_filehandle
);
967 back
->send(backhandle
, "", 1);
972 char *scp_save_remotepath(void)
975 return scp_sftp_remotepath
;
980 void scp_restore_remotepath(char *data
)
983 scp_sftp_remotepath
= data
;
986 int scp_send_dirname(char *name
, int modes
)
991 struct fxp_attrs attrs
;
992 if (scp_sftp_targetisdir
) {
993 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
995 fullname
= dupstr(scp_sftp_remotepath
);
999 * We don't worry about whether we managed to create the
1000 * directory, because if it exists already it's OK just to
1001 * use it. Instead, we will stat it afterwards, and if it
1002 * exists and is a directory we will assume we were either
1003 * successful or it didn't matter.
1005 if (!fxp_mkdir(fullname
))
1008 err
= "server reported no error";
1009 if (!fxp_stat(fullname
, &attrs
) ||
1010 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
1011 !(attrs
.permissions
& 0040000)) {
1012 tell_user(stderr
, "unable to create directory %s: %s",
1018 scp_sftp_remotepath
= fullname
;
1023 sprintf(buf
, "D%04o 0 ", modes
);
1024 back
->send(backhandle
, buf
, strlen(buf
));
1025 back
->send(backhandle
, name
, strlen(name
));
1026 back
->send(backhandle
, "\n", 1);
1031 int scp_send_enddir(void)
1034 sfree(scp_sftp_remotepath
);
1037 back
->send(backhandle
, "E\n", 2);
1043 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
1044 * That's bad. The difference is that scp_sink_setup is called once
1045 * right at the start, whereas scp_sink_init is called to
1046 * initialise every level of recursion in the protocol.
1048 int scp_sink_setup(char *source
, int preserve
, int recursive
)
1054 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
1059 * It's possible that the source string we've been given
1060 * contains a wildcard. If so, we must split the directory
1061 * away from the wildcard itself (throwing an error if any
1062 * wildcardness comes before the final slash) and arrange
1063 * things so that a dirstack entry will be set up.
1065 newsource
= smalloc(1+strlen(source
));
1066 if (!wc_unescape(newsource
, source
)) {
1067 /* Yes, here we go; it's a wildcard. Bah. */
1068 char *dupsource
, *lastpart
, *dirpart
, *wildcard
;
1069 dupsource
= dupstr(source
);
1070 lastpart
= stripslashes(dupsource
, 0);
1071 wildcard
= dupstr(lastpart
);
1073 if (*dupsource
&& dupsource
[1]) {
1075 * The remains of dupsource are at least two
1076 * characters long, meaning the pathname wasn't
1077 * empty or just `/'. Hence, we remove the trailing
1080 lastpart
[-1] = '\0';
1081 } else if (!*dupsource
) {
1083 * The remains of dupsource are _empty_ - the whole
1084 * pathname was a wildcard. Hence we need to
1085 * replace it with ".".
1088 dupsource
= dupstr(".");
1092 * Now we have separated our string into dupsource (the
1093 * directory part) and wildcard. Both of these will
1094 * need freeing at some point. Next step is to remove
1095 * wildcard escapes from the directory part, throwing
1096 * an error if it contains a real wildcard.
1098 dirpart
= smalloc(1+strlen(dupsource
));
1099 if (!wc_unescape(dirpart
, dupsource
)) {
1100 tell_user(stderr
, "%s: multiple-level wildcards unsupported",
1110 * Now we have dirpart (unescaped, ie a valid remote
1111 * path), and wildcard (a wildcard). This will be
1112 * sufficient to arrange a dirstack entry.
1114 scp_sftp_remotepath
= dirpart
;
1115 scp_sftp_wildcard
= wildcard
;
1118 scp_sftp_remotepath
= newsource
;
1119 scp_sftp_wildcard
= NULL
;
1121 scp_sftp_preserve
= preserve
;
1122 scp_sftp_recursive
= recursive
;
1123 scp_sftp_donethistarget
= 0;
1124 scp_sftp_dirstack_head
= NULL
;
1129 int scp_sink_init(void)
1132 back
->send(backhandle
, "", 1);
1137 #define SCP_SINK_FILE 1
1138 #define SCP_SINK_DIR 2
1139 #define SCP_SINK_ENDDIR 3
1140 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1141 struct scp_sink_action
{
1142 int action
; /* FILE, DIR, ENDDIR */
1143 char *buf
; /* will need freeing after use */
1144 char *name
; /* filename or dirname (not ENDDIR) */
1145 int mode
; /* access mode (not ENDDIR) */
1146 unsigned long size
; /* file size (not ENDDIR) */
1147 int settime
; /* 1 if atime and mtime are filled */
1148 unsigned long atime
, mtime
; /* access times for the file */
1151 int scp_get_sink_action(struct scp_sink_action
*act
)
1155 int must_free_fname
;
1156 struct fxp_attrs attrs
;
1159 if (!scp_sftp_dirstack_head
) {
1160 if (!scp_sftp_donethistarget
) {
1162 * Simple case: we are only dealing with one file.
1164 fname
= scp_sftp_remotepath
;
1165 must_free_fname
= 0;
1166 scp_sftp_donethistarget
= 1;
1169 * Even simpler case: one file _which we've done_.
1170 * Return 1 (finished).
1176 * We're now in the middle of stepping through a list
1177 * of names returned from fxp_readdir(); so let's carry
1180 struct scp_sftp_dirstack
*head
= scp_sftp_dirstack_head
;
1181 while (head
->namepos
< head
->namelen
&&
1182 (is_dots(head
->names
[head
->namepos
].filename
) ||
1184 !wc_match(head
->wildcard
,
1185 head
->names
[head
->namepos
].filename
))))
1186 head
->namepos
++; /* skip . and .. */
1187 if (head
->namepos
< head
->namelen
) {
1188 head
->matched_something
= 1;
1189 fname
= dupcat(head
->dirpath
, "/",
1190 head
->names
[head
->namepos
++].filename
,
1192 must_free_fname
= 1;
1195 * We've come to the end of the list; pop it off
1196 * the stack and return an ENDDIR action (or RETRY
1197 * if this was a wildcard match).
1199 if (head
->wildcard
) {
1200 act
->action
= SCP_SINK_RETRY
;
1201 if (!head
->matched_something
) {
1202 tell_user(stderr
, "pscp: wildcard '%s' matched "
1203 "no files", head
->wildcard
);
1206 sfree(head
->wildcard
);
1209 act
->action
= SCP_SINK_ENDDIR
;
1212 sfree(head
->dirpath
);
1214 scp_sftp_dirstack_head
= head
->next
;
1222 * Now we have a filename. Stat it, and see if it's a file
1225 ret
= fxp_stat(fname
, &attrs
);
1226 if (!ret
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1227 tell_user(stderr
, "unable to identify %s: %s", fname
,
1228 ret ?
"file type not supplied" : fxp_error());
1233 if (attrs
.permissions
& 0040000) {
1234 struct scp_sftp_dirstack
*newitem
;
1235 struct fxp_handle
*dirhandle
;
1236 int nnames
, namesize
;
1237 struct fxp_name
*ournames
;
1238 struct fxp_names
*names
;
1241 * It's a directory. If we're not in recursive mode,
1242 * this merits a complaint (which is fatal if the name
1243 * was specified directly, but not if it was matched by
1246 * We skip this complaint completely if
1247 * scp_sftp_wildcard is set, because that's an
1248 * indication that we're not actually supposed to
1249 * _recursively_ transfer the dir, just scan it for
1250 * things matching the wildcard.
1252 if (!scp_sftp_recursive
&& !scp_sftp_wildcard
) {
1253 tell_user(stderr
, "pscp: %s: is a directory", fname
);
1255 if (must_free_fname
) sfree(fname
);
1256 if (scp_sftp_dirstack_head
) {
1257 act
->action
= SCP_SINK_RETRY
;
1265 * Otherwise, the fun begins. We must fxp_opendir() the
1266 * directory, slurp the filenames into memory, return
1267 * SCP_SINK_DIR (unless this is a wildcard match), and
1268 * set targetisdir. The next time we're called, we will
1269 * run through the list of filenames one by one,
1270 * matching them against a wildcard if present.
1272 * If targetisdir is _already_ set (meaning we're
1273 * already in the middle of going through another such
1274 * list), we must push the other (target,namelist) pair
1277 dirhandle
= fxp_opendir(fname
);
1279 tell_user(stderr
, "scp: unable to open directory %s: %s",
1280 fname
, fxp_error());
1281 if (must_free_fname
) sfree(fname
);
1285 nnames
= namesize
= 0;
1290 names
= fxp_readdir(dirhandle
);
1291 if (names
== NULL
) {
1292 if (fxp_error_type() == SSH_FX_EOF
)
1294 tell_user(stderr
, "scp: reading directory %s: %s\n",
1295 fname
, fxp_error());
1296 if (must_free_fname
) sfree(fname
);
1301 if (names
->nnames
== 0) {
1302 fxp_free_names(names
);
1305 if (nnames
+ names
->nnames
>= namesize
) {
1306 namesize
+= names
->nnames
+ 128;
1308 srealloc(ournames
, namesize
* sizeof(*ournames
));
1310 for (i
= 0; i
< names
->nnames
; i
++)
1311 ournames
[nnames
++] = names
->names
[i
];
1312 names
->nnames
= 0; /* prevent free_names */
1313 fxp_free_names(names
);
1315 fxp_close(dirhandle
);
1317 newitem
= smalloc(sizeof(struct scp_sftp_dirstack
));
1318 newitem
->next
= scp_sftp_dirstack_head
;
1319 newitem
->names
= ournames
;
1320 newitem
->namepos
= 0;
1321 newitem
->namelen
= nnames
;
1322 if (must_free_fname
)
1323 newitem
->dirpath
= fname
;
1325 newitem
->dirpath
= dupstr(fname
);
1326 if (scp_sftp_wildcard
) {
1327 newitem
->wildcard
= scp_sftp_wildcard
;
1328 newitem
->matched_something
= 0;
1329 scp_sftp_wildcard
= NULL
;
1331 newitem
->wildcard
= NULL
;
1333 scp_sftp_dirstack_head
= newitem
;
1335 if (newitem
->wildcard
) {
1336 act
->action
= SCP_SINK_RETRY
;
1338 act
->action
= SCP_SINK_DIR
;
1339 act
->buf
= dupstr(stripslashes(fname
, 0));
1340 act
->name
= act
->buf
;
1341 act
->size
= 0; /* duhh, it's a directory */
1342 act
->mode
= 07777 & attrs
.permissions
;
1343 if (scp_sftp_preserve
&&
1344 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1345 act
->atime
= attrs
.atime
;
1346 act
->mtime
= attrs
.mtime
;
1355 * It's a file. Return SCP_SINK_FILE.
1357 act
->action
= SCP_SINK_FILE
;
1358 act
->buf
= dupstr(stripslashes(fname
, 0));
1359 act
->name
= act
->buf
;
1360 if (attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
) {
1361 if (uint64_compare(attrs
.size
,
1362 uint64_make(0, ULONG_MAX
)) > 0) {
1363 act
->size
= ULONG_MAX
; /* *boggle* */
1365 act
->size
= attrs
.size
.lo
;
1367 act
->size
= ULONG_MAX
; /* no idea */
1368 act
->mode
= 07777 & attrs
.permissions
;
1369 if (scp_sftp_preserve
&&
1370 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1371 act
->atime
= attrs
.atime
;
1372 act
->mtime
= attrs
.mtime
;
1376 if (must_free_fname
)
1377 scp_sftp_currentname
= fname
;
1379 scp_sftp_currentname
= dupstr(fname
);
1394 if (ssh_scp_recv(&ch
, 1) <= 0)
1397 bump("Protocol error: Unexpected newline");
1401 if (ssh_scp_recv(&ch
, 1) <= 0)
1402 bump("Lost connection");
1405 act
->buf
= srealloc(act
->buf
, bufsize
);
1408 } while (ch
!= '\n');
1409 act
->buf
[i
- 1] = '\0';
1411 case '\01': /* error */
1412 tell_user(stderr
, "%s\n", act
->buf
);
1414 continue; /* go round again */
1415 case '\02': /* fatal error */
1416 bump("%s", act
->buf
);
1418 back
->send(backhandle
, "", 1);
1419 act
->action
= SCP_SINK_ENDDIR
;
1422 if (sscanf(act
->buf
, "%ld %*d %ld %*d",
1423 &act
->mtime
, &act
->atime
) == 2) {
1425 back
->send(backhandle
, "", 1);
1426 continue; /* go round again */
1428 bump("Protocol error: Illegal time format");
1431 act
->action
= (action
== 'C' ? SCP_SINK_FILE
: SCP_SINK_DIR
);
1434 bump("Protocol error: Expected control record");
1437 * We will go round this loop only once, unless we hit
1444 * If we get here, we must have seen SCP_SINK_FILE or
1447 if (sscanf(act
->buf
, "%o %lu %n", &act
->mode
, &act
->size
, &i
) != 2)
1448 bump("Protocol error: Illegal file descriptor format");
1449 act
->name
= act
->buf
+ i
;
1454 int scp_accept_filexfer(void)
1457 scp_sftp_filehandle
=
1458 fxp_open(scp_sftp_currentname
, SSH_FXF_READ
);
1459 if (!scp_sftp_filehandle
) {
1460 tell_user(stderr
, "pscp: unable to open %s: %s",
1461 scp_sftp_currentname
, fxp_error());
1465 scp_sftp_fileoffset
= uint64_make(0, 0);
1466 sfree(scp_sftp_currentname
);
1469 back
->send(backhandle
, "", 1);
1470 return 0; /* can't fail */
1474 int scp_recv_filedata(char *data
, int len
)
1477 int actuallen
= fxp_read(scp_sftp_filehandle
, data
,
1478 scp_sftp_fileoffset
, len
);
1479 if (actuallen
== -1 && fxp_error_type() != SSH_FX_EOF
) {
1480 tell_user(stderr
, "pscp: error while reading: %s", fxp_error());
1487 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, actuallen
);
1491 return ssh_scp_recv(data
, len
);
1495 int scp_finish_filerecv(void)
1498 fxp_close(scp_sftp_filehandle
);
1501 back
->send(backhandle
, "", 1);
1506 /* ----------------------------------------------------------------------
1507 * Send an error message to the other side and to the screen.
1508 * Increment error counter.
1510 static void run_err(const char *fmt
, ...)
1516 str
= dupvprintf(fmt
, ap
);
1517 str2
= dupcat("scp: ", str
, "\n", NULL
);
1519 scp_send_errmsg(str2
);
1520 tell_user(stderr
, "%s", str2
);
1526 * Execute the source part of the SCP protocol.
1528 static void source(char *src
)
1535 unsigned long stat_bytes
;
1536 time_t stat_starttime
, stat_lasttime
;
1538 attr
= GetFileAttributes(src
);
1539 if (attr
== (DWORD
) - 1) {
1540 run_err("%s: No such file or directory", src
);
1544 if ((attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0) {
1547 * Avoid . and .. directories.
1550 p
= strrchr(src
, '/');
1552 p
= strrchr(src
, '\\');
1557 if (!strcmp(p
, ".") || !strcmp(p
, ".."))
1558 /* skip . and .. */ ;
1562 run_err("%s: not a regular file", src
);
1567 if ((last
= strrchr(src
, '/')) == NULL
)
1571 if (strrchr(last
, '\\') != NULL
)
1572 last
= strrchr(last
, '\\') + 1;
1573 if (last
== src
&& strchr(src
, ':') != NULL
)
1574 last
= strchr(src
, ':') + 1;
1576 f
= CreateFile(src
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
1577 OPEN_EXISTING
, 0, 0);
1578 if (f
== INVALID_HANDLE_VALUE
) {
1579 run_err("%s: Cannot open file", src
);
1584 FILETIME actime
, wrtime
;
1585 unsigned long mtime
, atime
;
1586 GetFileTime(f
, NULL
, &actime
, &wrtime
);
1587 TIME_WIN_TO_POSIX(actime
, atime
);
1588 TIME_WIN_TO_POSIX(wrtime
, mtime
);
1589 if (scp_send_filetimes(mtime
, atime
))
1593 size
= GetFileSize(f
, NULL
);
1595 tell_user(stderr
, "Sending file %s, size=%lu", last
, size
);
1596 if (scp_send_filename(last
, size
, 0644))
1600 stat_starttime
= time(NULL
);
1603 for (i
= 0; i
< size
; i
+= 4096) {
1604 char transbuf
[4096];
1609 if (!ReadFile(f
, transbuf
, k
, &j
, NULL
) || j
!= k
) {
1612 bump("%s: Read error", src
);
1614 if (scp_send_filedata(transbuf
, k
))
1615 bump("%s: Network error occurred", src
);
1619 if (time(NULL
) != stat_lasttime
|| i
+ k
== size
) {
1620 stat_lasttime
= time(NULL
);
1621 print_stats(last
, size
, stat_bytes
,
1622 stat_starttime
, stat_lasttime
);
1629 (void) scp_send_finish();
1633 * Recursively send the contents of a directory.
1635 static void rsource(char *src
)
1637 char *last
, *findfile
;
1640 WIN32_FIND_DATA fdat
;
1643 if ((last
= strrchr(src
, '/')) == NULL
)
1647 if (strrchr(last
, '\\') != NULL
)
1648 last
= strrchr(last
, '\\') + 1;
1649 if (last
== src
&& strchr(src
, ':') != NULL
)
1650 last
= strchr(src
, ':') + 1;
1652 /* maybe send filetime */
1654 save_target
= scp_save_remotepath();
1657 tell_user(stderr
, "Entering directory: %s", last
);
1658 if (scp_send_dirname(last
, 0755))
1661 findfile
= dupcat(src
, "/*", NULL
);
1662 dir
= FindFirstFile(findfile
, &fdat
);
1663 ok
= (dir
!= INVALID_HANDLE_VALUE
);
1665 if (strcmp(fdat
.cFileName
, ".") == 0 ||
1666 strcmp(fdat
.cFileName
, "..") == 0) {
1667 /* ignore . and .. */
1669 char *foundfile
= dupcat(src
, "/", fdat
.cFileName
, NULL
);
1673 ok
= FindNextFile(dir
, &fdat
);
1678 (void) scp_send_enddir();
1680 scp_restore_remotepath(save_target
);
1684 * Execute the sink part of the SCP protocol.
1686 static void sink(char *targ
, char *src
)
1693 unsigned long received
;
1695 unsigned long stat_bytes
;
1696 time_t stat_starttime
, stat_lasttime
;
1699 attr
= GetFileAttributes(targ
);
1700 if (attr
!= (DWORD
) - 1 && (attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0)
1703 if (targetshouldbedirectory
&& !targisdir
)
1704 bump("%s: Not a directory", targ
);
1708 struct scp_sink_action act
;
1709 if (scp_get_sink_action(&act
))
1712 if (act
.action
== SCP_SINK_ENDDIR
)
1715 if (act
.action
== SCP_SINK_RETRY
)
1720 * Prevent the remote side from maliciously writing to
1721 * files outside the target area by sending a filename
1722 * containing `../'. In fact, it shouldn't be sending
1723 * filenames with any slashes or colons in at all; so
1724 * we'll find the last slash, backslash or colon in the
1725 * filename and use only the part after that. (And
1728 * In addition, we also ensure here that if we're
1729 * copying a single file and the target is a directory
1730 * (common usage: `pscp host:filename .') the remote
1731 * can't send us a _different_ file name. We can
1732 * distinguish this case because `src' will be non-NULL
1733 * and the last component of that will fail to match
1734 * (the last component of) the name sent.
1736 * Well, not always; if `src' is a wildcard, we do
1737 * expect to get back filenames that don't correspond
1738 * exactly to it. Ideally in this case, we would like
1739 * to ensure that the returned filename actually
1740 * matches the wildcard pattern - but one of SCP's
1741 * protocol infelicities is that wildcard matching is
1742 * done at the server end _by the server's rules_ and
1743 * so in general this is infeasible. Hence, we only
1744 * accept filenames that don't correspond to `src' if
1745 * unsafe mode is enabled or we are using SFTP (which
1746 * resolves remote wildcards on the client side and can
1749 char *striptarget
, *stripsrc
;
1751 striptarget
= stripslashes(act
.name
, 1);
1752 if (striptarget
!= act
.name
) {
1753 tell_user(stderr
, "warning: remote host sent a compound"
1754 " pathname '%s'", act
.name
);
1755 tell_user(stderr
, " renaming local file to '%s'",
1760 * Also check to see if the target filename is '.' or
1761 * '..', or indeed '...' and so on because Windows
1762 * appears to interpret those like '..'.
1764 if (is_dots(striptarget
)) {
1765 bump("security violation: remote host attempted to write to"
1766 " a '.' or '..' path!");
1770 stripsrc
= stripslashes(src
, 1);
1771 if (strcmp(striptarget
, stripsrc
) &&
1772 !using_sftp
&& !scp_unsafe_mode
) {
1773 tell_user(stderr
, "warning: remote host tried to write "
1774 "to a file called '%s'", striptarget
);
1775 tell_user(stderr
, " when we requested a file "
1776 "called '%s'.", stripsrc
);
1777 tell_user(stderr
, " If this is a wildcard, "
1778 "consider upgrading to SSH 2 or using");
1779 tell_user(stderr
, " the '-unsafe' option. Renaming"
1780 " of this file has been disallowed.");
1781 /* Override the name the server provided with our own. */
1782 striptarget
= stripsrc
;
1786 if (targ
[0] != '\0')
1787 destfname
= dupcat(targ
, "\\", striptarget
, NULL
);
1789 destfname
= dupstr(striptarget
);
1792 * In this branch of the if, the target area is a
1793 * single file with an explicitly specified name in any
1794 * case, so there's no danger.
1796 destfname
= dupstr(targ
);
1798 attr
= GetFileAttributes(destfname
);
1799 exists
= (attr
!= (DWORD
) - 1);
1801 if (act
.action
== SCP_SINK_DIR
) {
1802 if (exists
&& (attr
& FILE_ATTRIBUTE_DIRECTORY
) == 0) {
1803 run_err("%s: Not a directory", destfname
);
1807 if (!CreateDirectory(destfname
, NULL
)) {
1808 run_err("%s: Cannot create directory", destfname
);
1812 sink(destfname
, NULL
);
1813 /* can we set the timestamp for directories ? */
1817 f
= CreateFile(destfname
, GENERIC_WRITE
, 0, NULL
,
1818 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
1819 if (f
== INVALID_HANDLE_VALUE
) {
1820 run_err("%s: Cannot create file", destfname
);
1824 if (scp_accept_filexfer())
1828 stat_starttime
= time(NULL
);
1830 stat_name
= stripslashes(destfname
, 1);
1833 while (received
< act
.size
) {
1834 char transbuf
[4096];
1835 DWORD blksize
, read
, written
;
1837 if (blksize
> act
.size
- received
)
1838 blksize
= act
.size
- received
;
1839 read
= scp_recv_filedata(transbuf
, blksize
);
1841 bump("Lost connection");
1844 if (!WriteFile(f
, transbuf
, read
, &written
, NULL
) ||
1847 /* FIXME: in sftp we can actually abort the transfer */
1849 printf("\r%-25.25s | %50s\n",
1851 "Write error.. waiting for end of file");
1856 if (time(NULL
) > stat_lasttime
||
1857 received
+ read
== act
.size
) {
1858 stat_lasttime
= time(NULL
);
1859 print_stats(stat_name
, act
.size
, stat_bytes
,
1860 stat_starttime
, stat_lasttime
);
1866 FILETIME actime
, wrtime
;
1867 TIME_POSIX_TO_WIN(act
.atime
, actime
);
1868 TIME_POSIX_TO_WIN(act
.mtime
, wrtime
);
1869 SetFileTime(f
, NULL
, &actime
, &wrtime
);
1874 run_err("%s: Write error", destfname
);
1877 (void) scp_finish_filerecv();
1884 * We will copy local files to a remote server.
1886 static void toremote(int argc
, char *argv
[])
1888 char *src
, *targ
, *host
, *user
;
1892 targ
= argv
[argc
- 1];
1894 /* Separate host from filename */
1898 bump("targ == NULL in toremote()");
1902 /* Substitute "." for emtpy target */
1904 /* Separate host and username */
1906 host
= strrchr(host
, '@');
1917 /* Find out if the source filespec covers multiple files
1918 if so, we should set the targetshouldbedirectory flag */
1920 WIN32_FIND_DATA fdat
;
1921 if (colon(argv
[0]) != NULL
)
1922 bump("%s: Remote to remote not supported", argv
[0]);
1923 fh
= FindFirstFile(argv
[0], &fdat
);
1924 if (fh
== INVALID_HANDLE_VALUE
)
1925 bump("%s: No such file or directory\n", argv
[0]);
1926 if (FindNextFile(fh
, &fdat
))
1927 targetshouldbedirectory
= 1;
1931 cmd
= dupprintf("scp%s%s%s%s -t %s",
1932 verbose ?
" -v" : "",
1933 recursive ?
" -r" : "",
1934 preserve ?
" -p" : "",
1935 targetshouldbedirectory ?
" -d" : "", targ
);
1936 do_cmd(host
, user
, cmd
);
1939 scp_source_setup(targ
, targetshouldbedirectory
);
1941 for (i
= 0; i
< argc
- 1; i
++) {
1942 char *srcpath
, *last
;
1944 WIN32_FIND_DATA fdat
;
1946 if (colon(src
) != NULL
) {
1947 tell_user(stderr
, "%s: Remote to remote not supported\n", src
);
1953 * Trim off the last pathname component of `src', to
1954 * provide the base pathname which will be prepended to
1955 * filenames returned from Find{First,Next}File.
1957 srcpath
= dupstr(src
);
1958 last
= stripslashes(srcpath
, 1);
1961 dir
= FindFirstFile(src
, &fdat
);
1962 if (dir
== INVALID_HANDLE_VALUE
) {
1963 run_err("%s: No such file or directory", src
);
1969 * Ensure that . and .. are never matched by wildcards,
1970 * but only by deliberate action.
1972 if (!strcmp(fdat
.cFileName
, ".") ||
1973 !strcmp(fdat
.cFileName
, "..")) {
1975 * Find*File has returned a special dir. We require
1976 * that _either_ `src' ends in a backslash followed
1977 * by that string, _or_ `src' is precisely that
1980 int len
= strlen(src
), dlen
= strlen(fdat
.cFileName
);
1981 if (len
== dlen
&& !strcmp(src
, fdat
.cFileName
)) {
1983 } else if (len
> dlen
+ 1 && src
[len
- dlen
- 1] == '\\' &&
1984 !strcmp(src
+ len
- dlen
, fdat
.cFileName
)) {
1987 continue; /* ignore this one */
1989 filename
= dupcat(srcpath
, fdat
.cFileName
, NULL
);
1992 } while (FindNextFile(dir
, &fdat
));
1999 * We will copy files from a remote server to the local machine.
2001 static void tolocal(int argc
, char *argv
[])
2003 char *src
, *targ
, *host
, *user
;
2007 bump("More than one remote source not supported");
2012 /* Separate host from filename */
2016 bump("Local to local copy not supported");
2020 /* Substitute "." for empty filename */
2022 /* Separate username and hostname */
2024 host
= strrchr(host
, '@');
2034 cmd
= dupprintf("scp%s%s%s%s -f %s",
2035 verbose ?
" -v" : "",
2036 recursive ?
" -r" : "",
2037 preserve ?
" -p" : "",
2038 targetshouldbedirectory ?
" -d" : "", src
);
2039 do_cmd(host
, user
, cmd
);
2042 if (scp_sink_setup(src
, preserve
, recursive
))
2049 * We will issue a list command to get a remote directory.
2051 static void get_dir_list(int argc
, char *argv
[])
2053 char *src
, *host
, *user
;
2059 /* Separate host from filename */
2063 bump("Local to local copy not supported");
2067 /* Substitute "." for empty filename */
2069 /* Separate username and hostname */
2071 host
= strrchr(host
, '@');
2081 cmd
= smalloc(4 * strlen(src
) + 100);
2082 strcpy(cmd
, "ls -la '");
2083 p
= cmd
+ strlen(cmd
);
2084 for (q
= src
; *q
; q
++) {
2097 do_cmd(host
, user
, cmd
);
2101 scp_sftp_listdir(src
);
2103 while (ssh_scp_recv(&c
, 1) > 0)
2104 tell_char(stdout
, c
);
2109 * Initialize the Win$ock driver.
2111 static void init_winsock(void)
2116 winsock_ver
= MAKEWORD(1, 1);
2117 if (WSAStartup(winsock_ver
, &wsadata
))
2118 bump("Unable to initialise WinSock");
2119 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1)
2120 bump("WinSock version is incompatible with 1.1");
2124 * Short description of parameters.
2126 static void usage(void)
2128 printf("PuTTY Secure Copy client\n");
2129 printf("%s\n", ver
);
2130 printf("Usage: pscp [options] [user@]host:source target\n");
2132 (" pscp [options] source [source...] [user@]host:target\n");
2133 printf(" pscp [options] -ls user@host:filespec\n");
2134 printf("Options:\n");
2135 printf(" -p preserve file attributes\n");
2136 printf(" -q quiet, don't show statistics\n");
2137 printf(" -r copy directories recursively\n");
2138 printf(" -v show verbose messages\n");
2139 printf(" -load sessname Load settings from saved session\n");
2140 printf(" -P port connect to specified port\n");
2141 printf(" -l user connect with specified username\n");
2142 printf(" -pw passw login with specified password\n");
2143 printf(" -1 -2 force use of particular SSH protocol version\n");
2144 printf(" -C enable compression\n");
2145 printf(" -i key private key file for authentication\n");
2146 printf(" -batch disable all interactive prompts\n");
2147 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2150 * -gui is an internal option, used by GUI front ends to get
2151 * pscp to pass progress reports back to them. It's not an
2152 * ordinary user-accessible option, so it shouldn't be part of
2153 * the command-line help. The only people who need to know
2154 * about it are programmers, and they can read the source.
2157 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2162 void cmdline_error(char *p
, ...)
2165 fprintf(stderr
, "pscp: ");
2167 vfprintf(stderr
, p
, ap
);
2169 fprintf(stderr
, "\n try typing just \"pscp\" for help\n");
2174 * Main program (no, really?)
2176 int main(int argc
, char *argv
[])
2180 default_protocol
= PROT_TELNET
;
2182 flags
= FLAG_STDERR
;
2183 cmdline_tooltype
= TOOLTYPE_FILETRANSFER
;
2184 ssh_get_line
= &console_get_line
;
2188 for (i
= 1; i
< argc
; i
++) {
2190 if (argv
[i
][0] != '-')
2192 ret
= cmdline_process_param(argv
[i
], i
+1<argc?argv
[i
+1]:NULL
, 1);
2194 cmdline_error("option \"%s\" requires an argument", argv
[i
]);
2195 } else if (ret
== 2) {
2196 i
++; /* skip next argument */
2197 } else if (ret
== 1) {
2198 /* We have our own verbosity in addition to `flags'. */
2199 if (flags
& FLAG_VERBOSE
)
2201 } else if (strcmp(argv
[i
], "-r") == 0) {
2203 } else if (strcmp(argv
[i
], "-p") == 0) {
2205 } else if (strcmp(argv
[i
], "-q") == 0) {
2207 } else if (strcmp(argv
[i
], "-h") == 0 || strcmp(argv
[i
], "-?") == 0) {
2209 } else if (strcmp(argv
[i
], "-gui") == 0 && i
+ 1 < argc
) {
2210 gui_hwnd
= argv
[++i
];
2212 console_batch_mode
= TRUE
;
2213 } else if (strcmp(argv
[i
], "-ls") == 0) {
2215 } else if (strcmp(argv
[i
], "-batch") == 0) {
2216 console_batch_mode
= 1;
2217 } else if (strcmp(argv
[i
], "-unsafe") == 0) {
2218 scp_unsafe_mode
= 1;
2219 } else if (strcmp(argv
[i
], "--") == 0) {
2223 cmdline_error("unknown option \"%s\"", argv
[i
]);
2233 get_dir_list(argc
, argv
);
2240 targetshouldbedirectory
= 1;
2242 if (colon(argv
[argc
- 1]) != NULL
)
2243 toremote(argc
, argv
);
2245 tolocal(argc
, argv
);
2248 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
2250 back
->special(backhandle
, TS_EOF
);
2251 ssh_scp_recv(&ch
, 1);
2256 /* GUI Adaptation - August 2000 */
2258 unsigned int msg_id
= WM_RET_ERR_CNT
;
2260 msg_id
= WM_LS_RET_ERR_CNT
;
2262 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
2263 0 /*lParam */ ))SleepEx(1000, TRUE
);
2265 return (errs
== 0 ?
0 : 1);