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
, ...)
163 char str
[0x100]; /* Make the size big enough */
166 vsprintf(str
, fmt
, ap
);
169 tell_str(stream
, str
);
172 static void gui_update_stats(char *name
, unsigned long size
,
173 int percentage
, unsigned long elapsed
,
174 unsigned long done
, unsigned long eta
,
175 unsigned long ratebs
)
179 if (strcmp(name
, statname
) != 0) {
180 for (i
= 0; i
< strlen(name
); ++i
)
181 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
,
183 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
, (WPARAM
) '\n');
184 strcpy(statname
, name
);
186 if (statsize
!= size
) {
187 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_SIZE
, (WPARAM
) size
);
190 if (statdone
!= done
) {
191 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_DONE
, (WPARAM
) done
);
194 if (stateta
!= eta
) {
195 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ETA
, (WPARAM
) eta
);
198 if (statratebs
!= ratebs
) {
199 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_RATEBS
, (WPARAM
) ratebs
);
202 if (statelapsed
!= elapsed
) {
203 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ELAPSED
,
205 statelapsed
= elapsed
;
207 if (statperct
!= percentage
) {
208 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_PERCENT
,
209 (WPARAM
) percentage
);
210 statperct
= percentage
;
215 * Print an error message and perform a fatal exit.
217 void fatalbox(char *fmt
, ...)
219 char str
[0x100]; /* Make the size big enough */
222 strcpy(str
, "Fatal: ");
223 vsprintf(str
+ strlen(str
), fmt
, ap
);
226 tell_str(stderr
, str
);
230 unsigned int msg_id
= WM_RET_ERR_CNT
;
232 msg_id
= WM_LS_RET_ERR_CNT
;
234 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
235 0 /*lParam */ ))SleepEx(1000, TRUE
);
240 void modalfatalbox(char *fmt
, ...)
242 char str
[0x100]; /* Make the size big enough */
245 strcpy(str
, "Fatal: ");
246 vsprintf(str
+ strlen(str
), fmt
, ap
);
249 tell_str(stderr
, str
);
253 unsigned int msg_id
= WM_RET_ERR_CNT
;
255 msg_id
= WM_LS_RET_ERR_CNT
;
257 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
258 0 /*lParam */ ))SleepEx(1000, TRUE
);
263 void connection_fatal(void *frontend
, char *fmt
, ...)
265 char str
[0x100]; /* Make the size big enough */
268 strcpy(str
, "Fatal: ");
269 vsprintf(str
+ strlen(str
), fmt
, ap
);
272 tell_str(stderr
, str
);
276 unsigned int msg_id
= WM_RET_ERR_CNT
;
278 msg_id
= WM_LS_RET_ERR_CNT
;
280 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
281 0 /*lParam */ ))SleepEx(1000, TRUE
);
288 * Be told what socket we're supposed to be using.
290 static SOCKET scp_ssh_socket
;
291 char *do_select(SOCKET skt
, int startup
)
294 scp_ssh_socket
= skt
;
296 scp_ssh_socket
= INVALID_SOCKET
;
299 extern int select_result(WPARAM
, LPARAM
);
302 * Receive a block of data from the SSH link. Block until all data
305 * To do this, we repeatedly call the SSH protocol module, with our
306 * own trap in from_backend() to catch the data that comes back. We
307 * do this until we have enough data.
310 static unsigned char *outptr
; /* where to put the data */
311 static unsigned outlen
; /* how much data required */
312 static unsigned char *pending
= NULL
; /* any spare data */
313 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
314 int from_backend(void *frontend
, int is_stderr
, char *data
, int datalen
)
316 unsigned char *p
= (unsigned char *) data
;
317 unsigned len
= (unsigned) datalen
;
322 * stderr data is just spouted to local stderr and otherwise
326 fwrite(data
, 1, len
, stderr
);
331 * If this is before the real session begins, just return.
337 unsigned used
= outlen
;
340 memcpy(outptr
, p
, used
);
348 if (pendsize
< pendlen
+ len
) {
349 pendsize
= pendlen
+ len
+ 4096;
350 pending
= (pending ?
srealloc(pending
, pendsize
) :
353 fatalbox("Out of memory");
355 memcpy(pending
+ pendlen
, p
, len
);
361 static int scp_process_network_event(void)
366 FD_SET(scp_ssh_socket
, &readfds
);
367 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
369 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
372 static int ssh_scp_recv(unsigned char *buf
, int len
)
378 * See if the pending-input block contains some of what we
382 unsigned pendused
= pendlen
;
383 if (pendused
> outlen
)
385 memcpy(outptr
, pending
, pendused
);
386 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
400 if (!scp_process_network_event())
408 * Loop through the ssh connection and authentication process.
410 static void ssh_scp_init(void)
412 if (scp_ssh_socket
== INVALID_SOCKET
)
414 while (!back
->sendok(backhandle
)) {
417 FD_SET(scp_ssh_socket
, &readfds
);
418 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
420 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
422 using_sftp
= !ssh_fallback_cmd(backhandle
);
426 * Print an error message and exit after closing the SSH link.
428 static void bump(char *fmt
, ...)
430 char str
[0x100]; /* Make the size big enough */
433 strcpy(str
, "Fatal: ");
434 vsprintf(str
+ strlen(str
), fmt
, ap
);
437 tell_str(stderr
, str
);
440 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
442 back
->special(backhandle
, TS_EOF
);
443 ssh_scp_recv(&ch
, 1);
447 unsigned int msg_id
= WM_RET_ERR_CNT
;
449 msg_id
= WM_LS_RET_ERR_CNT
;
451 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
452 0 /*lParam */ ))SleepEx(1000, TRUE
);
459 * Open an SSH connection to user@host and execute cmd.
461 static void do_cmd(char *host
, char *user
, char *cmd
)
463 char *err
, *realhost
;
466 if (host
== NULL
|| host
[0] == '\0')
467 bump("Empty host name");
469 /* Try to load settings for this host */
470 do_defaults(host
, &cfg
);
471 if (cfg
.host
[0] == '\0') {
472 /* No settings for this host; use defaults */
473 do_defaults(NULL
, &cfg
);
474 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
475 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
479 * Force use of SSH. (If they got the protocol wrong we assume the
480 * port is useless too.)
482 if (cfg
.protocol
!= PROT_SSH
) {
483 cfg
.protocol
= PROT_SSH
;
488 * Enact command-line overrides.
493 * Trim leading whitespace off the hostname if it's there.
496 int space
= strspn(cfg
.host
, " \t");
497 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
500 /* See if host is of the form user@host */
501 if (cfg
.host
[0] != '\0') {
502 char *atsign
= strchr(cfg
.host
, '@');
503 /* Make sure we're not overflowing the user field */
505 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
506 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
507 cfg
.username
[atsign
- cfg
.host
] = '\0';
509 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
514 * Trim a colon suffix off the hostname if it's there.
516 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
519 * Remove any remaining whitespace from the hostname.
523 while (cfg
.host
[p2
] != '\0') {
524 if (cfg
.host
[p2
] != ' ' && cfg
.host
[p2
] != '\t') {
525 cfg
.host
[p1
] = cfg
.host
[p2
];
534 if (user
!= NULL
&& user
[0] != '\0') {
535 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
536 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
537 } else if (cfg
.username
[0] == '\0') {
539 if (GetUserName(user
, &namelen
) == FALSE
)
540 bump("Empty user name");
541 user
= smalloc(namelen
* sizeof(char));
542 GetUserName(user
, &namelen
);
544 tell_user(stderr
, "Guessing user name: %s", user
);
545 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
546 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
551 * Disable scary things which shouldn't be enabled for simple
552 * things like SCP and SFTP: agent forwarding, port forwarding,
557 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
560 * Attempt to start the SFTP subsystem as a first choice,
561 * falling back to the provided scp command if that fails.
563 strcpy(cfg
.remote_cmd
, "sftp");
564 cfg
.ssh_subsys
= TRUE
;
565 cfg
.remote_cmd_ptr2
= cmd
;
566 cfg
.ssh_subsys2
= FALSE
;
571 err
= back
->init(NULL
, &backhandle
, cfg
.host
, cfg
.port
, &realhost
, 0);
573 bump("ssh_init: %s", err
);
574 logctx
= log_init(NULL
);
575 back
->provide_logctx(backhandle
, logctx
);
577 if (verbose
&& realhost
!= NULL
)
578 tell_user(stderr
, "Connected to %s\n", realhost
);
583 * Update statistic information about current file.
585 static void print_stats(char *name
, unsigned long size
, unsigned long done
,
586 time_t start
, time_t now
)
595 elap
= (unsigned long) difftime(now
, start
);
598 ratebs
= (float) done
/ elap
;
600 ratebs
= (float) done
;
605 eta
= (unsigned long) ((size
- done
) / ratebs
);
606 sprintf(etastr
, "%02ld:%02ld:%02ld",
607 eta
/ 3600, (eta
% 3600) / 60, eta
% 60);
609 pct
= (int) (100 * (done
* 1.0 / size
));
612 /* GUI Adaptation - Sept 2000 */
613 gui_update_stats(name
, size
, pct
, elap
, done
, eta
,
614 (unsigned long) ratebs
);
616 len
= printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
617 name
, done
/ 1024, ratebs
/ 1024.0, etastr
, pct
);
618 if (len
< prev_stats_len
)
619 printf("%*s", prev_stats_len
- len
, "");
620 prev_stats_len
= len
;
628 * Find a colon in str and return a pointer to the colon.
629 * This is used to separate hostname from filename.
631 static char *colon(char *str
)
633 /* We ignore a leading colon, since the hostname cannot be
634 empty. We also ignore a colon as second character because
635 of filenames like f:myfile.txt. */
636 if (str
[0] == '\0' || str
[0] == ':' || str
[1] == ':')
638 while (*str
!= '\0' && *str
!= ':' && *str
!= '/' && *str
!= '\\')
647 * Return a pointer to the portion of str that comes after the last
648 * slash (or backslash or colon, if `local' is TRUE).
650 static char *stripslashes(char *str
, int local
)
655 p
= strchr(str
, ':');
659 p
= strrchr(str
, '/');
663 p
= strrchr(str
, '\\');
671 * Determine whether a string is entirely composed of dots.
673 static int is_dots(char *str
)
675 return str
[strspn(str
, ".")] == '\0';
679 * Wait for a response from the other side.
680 * Return 0 if ok, -1 if error.
682 static int response(void)
684 char ch
, resp
, rbuf
[2048];
687 if (ssh_scp_recv(&resp
, 1) <= 0)
688 bump("Lost connection");
698 case 2: /* fatal error */
700 if (ssh_scp_recv(&ch
, 1) <= 0)
701 bump("Protocol error: Lost connection");
703 } while (p
< sizeof(rbuf
) && ch
!= '\n');
706 tell_user(stderr
, "%s\n", rbuf
);
714 int sftp_recvdata(char *buf
, int len
)
716 return ssh_scp_recv(buf
, len
);
718 int sftp_senddata(char *buf
, int len
)
720 back
->send(backhandle
, (unsigned char *) buf
, len
);
724 /* ----------------------------------------------------------------------
725 * sftp-based replacement for the hacky `pscp -ls'.
727 static int sftp_ls_compare(const void *av
, const void *bv
)
729 const struct fxp_name
*a
= (const struct fxp_name
*) av
;
730 const struct fxp_name
*b
= (const struct fxp_name
*) bv
;
731 return strcmp(a
->filename
, b
->filename
);
733 void scp_sftp_listdir(char *dirname
)
735 struct fxp_handle
*dirh
;
736 struct fxp_names
*names
;
737 struct fxp_name
*ournames
;
738 int nnames
, namesize
;
742 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
747 printf("Listing directory %s\n", dirname
);
749 dirh
= fxp_opendir(dirname
);
751 printf("Unable to open %s: %s\n", dirname
, fxp_error());
753 nnames
= namesize
= 0;
758 names
= fxp_readdir(dirh
);
760 if (fxp_error_type() == SSH_FX_EOF
)
762 printf("Reading directory %s: %s\n", dirname
, fxp_error());
765 if (names
->nnames
== 0) {
766 fxp_free_names(names
);
770 if (nnames
+ names
->nnames
>= namesize
) {
771 namesize
+= names
->nnames
+ 128;
773 srealloc(ournames
, namesize
* sizeof(*ournames
));
776 for (i
= 0; i
< names
->nnames
; i
++)
777 ournames
[nnames
++] = names
->names
[i
];
779 names
->nnames
= 0; /* prevent free_names */
780 fxp_free_names(names
);
785 * Now we have our filenames. Sort them by actual file
786 * name, and then output the longname parts.
788 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
793 for (i
= 0; i
< nnames
; i
++)
794 printf("%s\n", ournames
[i
].longname
);
798 /* ----------------------------------------------------------------------
799 * Helper routines that contain the actual SCP protocol elements,
800 * implemented both as SCP1 and SFTP.
803 static struct scp_sftp_dirstack
{
804 struct scp_sftp_dirstack
*next
;
805 struct fxp_name
*names
;
806 int namepos
, namelen
;
809 int matched_something
; /* wildcard match set was non-empty */
810 } *scp_sftp_dirstack_head
;
811 static char *scp_sftp_remotepath
, *scp_sftp_currentname
;
812 static char *scp_sftp_wildcard
;
813 static int scp_sftp_targetisdir
, scp_sftp_donethistarget
;
814 static int scp_sftp_preserve
, scp_sftp_recursive
;
815 static unsigned long scp_sftp_mtime
, scp_sftp_atime
;
816 static int scp_has_times
;
817 static struct fxp_handle
*scp_sftp_filehandle
;
818 static uint64 scp_sftp_fileoffset
;
820 void scp_source_setup(char *target
, int shouldbedir
)
824 * Find out whether the target filespec is in fact a
827 struct fxp_attrs attrs
;
830 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
835 if (!fxp_stat(target
, &attrs
) ||
836 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
))
837 scp_sftp_targetisdir
= 0;
839 scp_sftp_targetisdir
= (attrs
.permissions
& 0040000) != 0;
841 if (shouldbedir
&& !scp_sftp_targetisdir
) {
842 bump("pscp: remote filespec %s: not a directory\n", target
);
845 scp_sftp_remotepath
= dupstr(target
);
853 int scp_send_errmsg(char *str
)
856 /* do nothing; we never need to send our errors to the server */
858 back
->send(backhandle
, "\001", 1);/* scp protocol error prefix */
859 back
->send(backhandle
, str
, strlen(str
));
861 return 0; /* can't fail */
864 int scp_send_filetimes(unsigned long mtime
, unsigned long atime
)
867 scp_sftp_mtime
= mtime
;
868 scp_sftp_atime
= atime
;
873 sprintf(buf
, "T%lu 0 %lu 0\n", mtime
, atime
);
874 back
->send(backhandle
, buf
, strlen(buf
));
879 int scp_send_filename(char *name
, unsigned long size
, int modes
)
883 if (scp_sftp_targetisdir
) {
884 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
886 fullname
= dupstr(scp_sftp_remotepath
);
888 scp_sftp_filehandle
=
889 fxp_open(fullname
, SSH_FXF_WRITE
| SSH_FXF_CREAT
| SSH_FXF_TRUNC
);
890 if (!scp_sftp_filehandle
) {
891 tell_user(stderr
, "pscp: unable to open %s: %s",
892 fullname
, fxp_error());
896 scp_sftp_fileoffset
= uint64_make(0, 0);
901 sprintf(buf
, "C%04o %lu ", modes
, size
);
902 back
->send(backhandle
, buf
, strlen(buf
));
903 back
->send(backhandle
, name
, strlen(name
));
904 back
->send(backhandle
, "\n", 1);
909 int scp_send_filedata(char *data
, int len
)
912 if (!scp_sftp_filehandle
) {
915 if (!fxp_write(scp_sftp_filehandle
, data
, scp_sftp_fileoffset
, len
)) {
916 tell_user(stderr
, "error while writing: %s\n", fxp_error());
920 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, len
);
923 int bufsize
= back
->send(backhandle
, data
, len
);
926 * If the network transfer is backing up - that is, the
927 * remote site is not accepting data as fast as we can
928 * produce it - then we must loop on network events until
929 * we have space in the buffer again.
931 while (bufsize
> MAX_SCP_BUFSIZE
) {
932 if (!scp_process_network_event())
934 bufsize
= back
->sendbuffer(backhandle
);
941 int scp_send_finish(void)
944 struct fxp_attrs attrs
;
945 if (!scp_sftp_filehandle
) {
949 attrs
.flags
= SSH_FILEXFER_ATTR_ACMODTIME
;
950 attrs
.atime
= scp_sftp_atime
;
951 attrs
.mtime
= scp_sftp_mtime
;
952 if (!fxp_fsetstat(scp_sftp_filehandle
, attrs
)) {
953 tell_user(stderr
, "unable to set file times: %s\n", fxp_error());
957 fxp_close(scp_sftp_filehandle
);
961 back
->send(backhandle
, "", 1);
966 char *scp_save_remotepath(void)
969 return scp_sftp_remotepath
;
974 void scp_restore_remotepath(char *data
)
977 scp_sftp_remotepath
= data
;
980 int scp_send_dirname(char *name
, int modes
)
985 struct fxp_attrs attrs
;
986 if (scp_sftp_targetisdir
) {
987 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
989 fullname
= dupstr(scp_sftp_remotepath
);
993 * We don't worry about whether we managed to create the
994 * directory, because if it exists already it's OK just to
995 * use it. Instead, we will stat it afterwards, and if it
996 * exists and is a directory we will assume we were either
997 * successful or it didn't matter.
999 if (!fxp_mkdir(fullname
))
1002 err
= "server reported no error";
1003 if (!fxp_stat(fullname
, &attrs
) ||
1004 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
1005 !(attrs
.permissions
& 0040000)) {
1006 tell_user(stderr
, "unable to create directory %s: %s",
1012 scp_sftp_remotepath
= fullname
;
1017 sprintf(buf
, "D%04o 0 ", modes
);
1018 back
->send(backhandle
, buf
, strlen(buf
));
1019 back
->send(backhandle
, name
, strlen(name
));
1020 back
->send(backhandle
, "\n", 1);
1025 int scp_send_enddir(void)
1028 sfree(scp_sftp_remotepath
);
1031 back
->send(backhandle
, "E\n", 2);
1037 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
1038 * That's bad. The difference is that scp_sink_setup is called once
1039 * right at the start, whereas scp_sink_init is called to
1040 * initialise every level of recursion in the protocol.
1042 int scp_sink_setup(char *source
, int preserve
, int recursive
)
1048 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
1053 * It's possible that the source string we've been given
1054 * contains a wildcard. If so, we must split the directory
1055 * away from the wildcard itself (throwing an error if any
1056 * wildcardness comes before the final slash) and arrange
1057 * things so that a dirstack entry will be set up.
1059 newsource
= smalloc(1+strlen(source
));
1060 if (!wc_unescape(newsource
, source
)) {
1061 /* Yes, here we go; it's a wildcard. Bah. */
1062 char *dupsource
, *lastpart
, *dirpart
, *wildcard
;
1063 dupsource
= dupstr(source
);
1064 lastpart
= stripslashes(dupsource
, 0);
1065 wildcard
= dupstr(lastpart
);
1067 if (*dupsource
&& dupsource
[1]) {
1069 * The remains of dupsource are at least two
1070 * characters long, meaning the pathname wasn't
1071 * empty or just `/'. Hence, we remove the trailing
1074 lastpart
[-1] = '\0';
1075 } else if (!*dupsource
) {
1077 * The remains of dupsource are _empty_ - the whole
1078 * pathname was a wildcard. Hence we need to
1079 * replace it with ".".
1082 dupsource
= dupstr(".");
1086 * Now we have separated our string into dupsource (the
1087 * directory part) and wildcard. Both of these will
1088 * need freeing at some point. Next step is to remove
1089 * wildcard escapes from the directory part, throwing
1090 * an error if it contains a real wildcard.
1092 dirpart
= smalloc(1+strlen(dupsource
));
1093 if (!wc_unescape(dirpart
, dupsource
)) {
1094 tell_user(stderr
, "%s: multiple-level wildcards unsupported",
1104 * Now we have dirpart (unescaped, ie a valid remote
1105 * path), and wildcard (a wildcard). This will be
1106 * sufficient to arrange a dirstack entry.
1108 scp_sftp_remotepath
= dirpart
;
1109 scp_sftp_wildcard
= wildcard
;
1112 scp_sftp_remotepath
= newsource
;
1113 scp_sftp_wildcard
= NULL
;
1115 scp_sftp_preserve
= preserve
;
1116 scp_sftp_recursive
= recursive
;
1117 scp_sftp_donethistarget
= 0;
1118 scp_sftp_dirstack_head
= NULL
;
1123 int scp_sink_init(void)
1126 back
->send(backhandle
, "", 1);
1131 #define SCP_SINK_FILE 1
1132 #define SCP_SINK_DIR 2
1133 #define SCP_SINK_ENDDIR 3
1134 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1135 struct scp_sink_action
{
1136 int action
; /* FILE, DIR, ENDDIR */
1137 char *buf
; /* will need freeing after use */
1138 char *name
; /* filename or dirname (not ENDDIR) */
1139 int mode
; /* access mode (not ENDDIR) */
1140 unsigned long size
; /* file size (not ENDDIR) */
1141 int settime
; /* 1 if atime and mtime are filled */
1142 unsigned long atime
, mtime
; /* access times for the file */
1145 int scp_get_sink_action(struct scp_sink_action
*act
)
1149 int must_free_fname
;
1150 struct fxp_attrs attrs
;
1153 if (!scp_sftp_dirstack_head
) {
1154 if (!scp_sftp_donethistarget
) {
1156 * Simple case: we are only dealing with one file.
1158 fname
= scp_sftp_remotepath
;
1159 must_free_fname
= 0;
1160 scp_sftp_donethistarget
= 1;
1163 * Even simpler case: one file _which we've done_.
1164 * Return 1 (finished).
1170 * We're now in the middle of stepping through a list
1171 * of names returned from fxp_readdir(); so let's carry
1174 struct scp_sftp_dirstack
*head
= scp_sftp_dirstack_head
;
1175 while (head
->namepos
< head
->namelen
&&
1176 (is_dots(head
->names
[head
->namepos
].filename
) ||
1178 !wc_match(head
->wildcard
,
1179 head
->names
[head
->namepos
].filename
))))
1180 head
->namepos
++; /* skip . and .. */
1181 if (head
->namepos
< head
->namelen
) {
1182 head
->matched_something
= 1;
1183 fname
= dupcat(head
->dirpath
, "/",
1184 head
->names
[head
->namepos
++].filename
,
1186 must_free_fname
= 1;
1189 * We've come to the end of the list; pop it off
1190 * the stack and return an ENDDIR action (or RETRY
1191 * if this was a wildcard match).
1193 if (head
->wildcard
) {
1194 act
->action
= SCP_SINK_RETRY
;
1195 if (!head
->matched_something
) {
1196 tell_user(stderr
, "pscp: wildcard '%s' matched "
1197 "no files", head
->wildcard
);
1200 sfree(head
->wildcard
);
1203 act
->action
= SCP_SINK_ENDDIR
;
1206 sfree(head
->dirpath
);
1208 scp_sftp_dirstack_head
= head
->next
;
1216 * Now we have a filename. Stat it, and see if it's a file
1219 ret
= fxp_stat(fname
, &attrs
);
1220 if (!ret
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1221 tell_user(stderr
, "unable to identify %s: %s", fname
,
1222 ret ?
"file type not supplied" : fxp_error());
1227 if (attrs
.permissions
& 0040000) {
1228 struct scp_sftp_dirstack
*newitem
;
1229 struct fxp_handle
*dirhandle
;
1230 int nnames
, namesize
;
1231 struct fxp_name
*ournames
;
1232 struct fxp_names
*names
;
1235 * It's a directory. If we're not in recursive mode,
1236 * this merits a complaint (which is fatal if the name
1237 * was specified directly, but not if it was matched by
1240 * We skip this complaint completely if
1241 * scp_sftp_wildcard is set, because that's an
1242 * indication that we're not actually supposed to
1243 * _recursively_ transfer the dir, just scan it for
1244 * things matching the wildcard.
1246 if (!scp_sftp_recursive
&& !scp_sftp_wildcard
) {
1247 tell_user(stderr
, "pscp: %s: is a directory", fname
);
1249 if (must_free_fname
) sfree(fname
);
1250 if (scp_sftp_dirstack_head
) {
1251 act
->action
= SCP_SINK_RETRY
;
1259 * Otherwise, the fun begins. We must fxp_opendir() the
1260 * directory, slurp the filenames into memory, return
1261 * SCP_SINK_DIR (unless this is a wildcard match), and
1262 * set targetisdir. The next time we're called, we will
1263 * run through the list of filenames one by one,
1264 * matching them against a wildcard if present.
1266 * If targetisdir is _already_ set (meaning we're
1267 * already in the middle of going through another such
1268 * list), we must push the other (target,namelist) pair
1271 dirhandle
= fxp_opendir(fname
);
1273 tell_user(stderr
, "scp: unable to open directory %s: %s",
1274 fname
, fxp_error());
1275 if (must_free_fname
) sfree(fname
);
1279 nnames
= namesize
= 0;
1284 names
= fxp_readdir(dirhandle
);
1285 if (names
== NULL
) {
1286 if (fxp_error_type() == SSH_FX_EOF
)
1288 tell_user(stderr
, "scp: reading directory %s: %s\n",
1289 fname
, fxp_error());
1290 if (must_free_fname
) sfree(fname
);
1295 if (names
->nnames
== 0) {
1296 fxp_free_names(names
);
1299 if (nnames
+ names
->nnames
>= namesize
) {
1300 namesize
+= names
->nnames
+ 128;
1302 srealloc(ournames
, namesize
* sizeof(*ournames
));
1304 for (i
= 0; i
< names
->nnames
; i
++)
1305 ournames
[nnames
++] = names
->names
[i
];
1306 names
->nnames
= 0; /* prevent free_names */
1307 fxp_free_names(names
);
1309 fxp_close(dirhandle
);
1311 newitem
= smalloc(sizeof(struct scp_sftp_dirstack
));
1312 newitem
->next
= scp_sftp_dirstack_head
;
1313 newitem
->names
= ournames
;
1314 newitem
->namepos
= 0;
1315 newitem
->namelen
= nnames
;
1316 if (must_free_fname
)
1317 newitem
->dirpath
= fname
;
1319 newitem
->dirpath
= dupstr(fname
);
1320 if (scp_sftp_wildcard
) {
1321 newitem
->wildcard
= scp_sftp_wildcard
;
1322 newitem
->matched_something
= 0;
1323 scp_sftp_wildcard
= NULL
;
1325 newitem
->wildcard
= NULL
;
1327 scp_sftp_dirstack_head
= newitem
;
1329 if (newitem
->wildcard
) {
1330 act
->action
= SCP_SINK_RETRY
;
1332 act
->action
= SCP_SINK_DIR
;
1333 act
->buf
= dupstr(stripslashes(fname
, 0));
1334 act
->name
= act
->buf
;
1335 act
->size
= 0; /* duhh, it's a directory */
1336 act
->mode
= 07777 & attrs
.permissions
;
1337 if (scp_sftp_preserve
&&
1338 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1339 act
->atime
= attrs
.atime
;
1340 act
->mtime
= attrs
.mtime
;
1349 * It's a file. Return SCP_SINK_FILE.
1351 act
->action
= SCP_SINK_FILE
;
1352 act
->buf
= dupstr(stripslashes(fname
, 0));
1353 act
->name
= act
->buf
;
1354 if (attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
) {
1355 if (uint64_compare(attrs
.size
,
1356 uint64_make(0, ULONG_MAX
)) > 0) {
1357 act
->size
= ULONG_MAX
; /* *boggle* */
1359 act
->size
= attrs
.size
.lo
;
1361 act
->size
= ULONG_MAX
; /* no idea */
1362 act
->mode
= 07777 & attrs
.permissions
;
1363 if (scp_sftp_preserve
&&
1364 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1365 act
->atime
= attrs
.atime
;
1366 act
->mtime
= attrs
.mtime
;
1370 if (must_free_fname
)
1371 scp_sftp_currentname
= fname
;
1373 scp_sftp_currentname
= dupstr(fname
);
1388 if (ssh_scp_recv(&ch
, 1) <= 0)
1391 bump("Protocol error: Unexpected newline");
1395 if (ssh_scp_recv(&ch
, 1) <= 0)
1396 bump("Lost connection");
1399 act
->buf
= srealloc(act
->buf
, bufsize
);
1402 } while (ch
!= '\n');
1403 act
->buf
[i
- 1] = '\0';
1405 case '\01': /* error */
1406 tell_user(stderr
, "%s\n", act
->buf
);
1408 continue; /* go round again */
1409 case '\02': /* fatal error */
1410 bump("%s", act
->buf
);
1412 back
->send(backhandle
, "", 1);
1413 act
->action
= SCP_SINK_ENDDIR
;
1416 if (sscanf(act
->buf
, "%ld %*d %ld %*d",
1417 &act
->mtime
, &act
->atime
) == 2) {
1419 back
->send(backhandle
, "", 1);
1420 continue; /* go round again */
1422 bump("Protocol error: Illegal time format");
1425 act
->action
= (action
== 'C' ? SCP_SINK_FILE
: SCP_SINK_DIR
);
1428 bump("Protocol error: Expected control record");
1431 * We will go round this loop only once, unless we hit
1438 * If we get here, we must have seen SCP_SINK_FILE or
1441 if (sscanf(act
->buf
, "%o %lu %n", &act
->mode
, &act
->size
, &i
) != 2)
1442 bump("Protocol error: Illegal file descriptor format");
1443 act
->name
= act
->buf
+ i
;
1448 int scp_accept_filexfer(void)
1451 scp_sftp_filehandle
=
1452 fxp_open(scp_sftp_currentname
, SSH_FXF_READ
);
1453 if (!scp_sftp_filehandle
) {
1454 tell_user(stderr
, "pscp: unable to open %s: %s",
1455 scp_sftp_currentname
, fxp_error());
1459 scp_sftp_fileoffset
= uint64_make(0, 0);
1460 sfree(scp_sftp_currentname
);
1463 back
->send(backhandle
, "", 1);
1464 return 0; /* can't fail */
1468 int scp_recv_filedata(char *data
, int len
)
1471 int actuallen
= fxp_read(scp_sftp_filehandle
, data
,
1472 scp_sftp_fileoffset
, len
);
1473 if (actuallen
== -1 && fxp_error_type() != SSH_FX_EOF
) {
1474 tell_user(stderr
, "pscp: error while reading: %s", fxp_error());
1481 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, actuallen
);
1485 return ssh_scp_recv(data
, len
);
1489 int scp_finish_filerecv(void)
1492 fxp_close(scp_sftp_filehandle
);
1495 back
->send(backhandle
, "", 1);
1500 /* ----------------------------------------------------------------------
1501 * Send an error message to the other side and to the screen.
1502 * Increment error counter.
1504 static void run_err(const char *fmt
, ...)
1510 strcpy(str
, "scp: ");
1511 vsprintf(str
+ strlen(str
), fmt
, ap
);
1513 scp_send_errmsg(str
);
1514 tell_user(stderr
, "%s", str
);
1519 * Execute the source part of the SCP protocol.
1521 static void source(char *src
)
1528 unsigned long stat_bytes
;
1529 time_t stat_starttime
, stat_lasttime
;
1531 attr
= GetFileAttributes(src
);
1532 if (attr
== (DWORD
) - 1) {
1533 run_err("%s: No such file or directory", src
);
1537 if ((attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0) {
1540 * Avoid . and .. directories.
1543 p
= strrchr(src
, '/');
1545 p
= strrchr(src
, '\\');
1550 if (!strcmp(p
, ".") || !strcmp(p
, ".."))
1551 /* skip . and .. */ ;
1555 run_err("%s: not a regular file", src
);
1560 if ((last
= strrchr(src
, '/')) == NULL
)
1564 if (strrchr(last
, '\\') != NULL
)
1565 last
= strrchr(last
, '\\') + 1;
1566 if (last
== src
&& strchr(src
, ':') != NULL
)
1567 last
= strchr(src
, ':') + 1;
1569 f
= CreateFile(src
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
1570 OPEN_EXISTING
, 0, 0);
1571 if (f
== INVALID_HANDLE_VALUE
) {
1572 run_err("%s: Cannot open file", src
);
1577 FILETIME actime
, wrtime
;
1578 unsigned long mtime
, atime
;
1579 GetFileTime(f
, NULL
, &actime
, &wrtime
);
1580 TIME_WIN_TO_POSIX(actime
, atime
);
1581 TIME_WIN_TO_POSIX(wrtime
, mtime
);
1582 if (scp_send_filetimes(mtime
, atime
))
1586 size
= GetFileSize(f
, NULL
);
1588 tell_user(stderr
, "Sending file %s, size=%lu", last
, size
);
1589 if (scp_send_filename(last
, size
, 0644))
1593 stat_starttime
= time(NULL
);
1596 for (i
= 0; i
< size
; i
+= 4096) {
1597 char transbuf
[4096];
1602 if (!ReadFile(f
, transbuf
, k
, &j
, NULL
) || j
!= k
) {
1605 bump("%s: Read error", src
);
1607 if (scp_send_filedata(transbuf
, k
))
1608 bump("%s: Network error occurred", src
);
1612 if (time(NULL
) != stat_lasttime
|| i
+ k
== size
) {
1613 stat_lasttime
= time(NULL
);
1614 print_stats(last
, size
, stat_bytes
,
1615 stat_starttime
, stat_lasttime
);
1622 (void) scp_send_finish();
1626 * Recursively send the contents of a directory.
1628 static void rsource(char *src
)
1630 char *last
, *findfile
;
1633 WIN32_FIND_DATA fdat
;
1636 if ((last
= strrchr(src
, '/')) == NULL
)
1640 if (strrchr(last
, '\\') != NULL
)
1641 last
= strrchr(last
, '\\') + 1;
1642 if (last
== src
&& strchr(src
, ':') != NULL
)
1643 last
= strchr(src
, ':') + 1;
1645 /* maybe send filetime */
1647 save_target
= scp_save_remotepath();
1650 tell_user(stderr
, "Entering directory: %s", last
);
1651 if (scp_send_dirname(last
, 0755))
1654 findfile
= dupcat(src
, "/*", NULL
);
1655 dir
= FindFirstFile(findfile
, &fdat
);
1656 ok
= (dir
!= INVALID_HANDLE_VALUE
);
1658 if (strcmp(fdat
.cFileName
, ".") == 0 ||
1659 strcmp(fdat
.cFileName
, "..") == 0) {
1660 /* ignore . and .. */
1662 char *foundfile
= dupcat(src
, "/", fdat
.cFileName
, NULL
);
1666 ok
= FindNextFile(dir
, &fdat
);
1671 (void) scp_send_enddir();
1673 scp_restore_remotepath(save_target
);
1677 * Execute the sink part of the SCP protocol.
1679 static void sink(char *targ
, char *src
)
1686 unsigned long received
;
1688 unsigned long stat_bytes
;
1689 time_t stat_starttime
, stat_lasttime
;
1692 attr
= GetFileAttributes(targ
);
1693 if (attr
!= (DWORD
) - 1 && (attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0)
1696 if (targetshouldbedirectory
&& !targisdir
)
1697 bump("%s: Not a directory", targ
);
1701 struct scp_sink_action act
;
1702 if (scp_get_sink_action(&act
))
1705 if (act
.action
== SCP_SINK_ENDDIR
)
1708 if (act
.action
== SCP_SINK_RETRY
)
1713 * Prevent the remote side from maliciously writing to
1714 * files outside the target area by sending a filename
1715 * containing `../'. In fact, it shouldn't be sending
1716 * filenames with any slashes or colons in at all; so
1717 * we'll find the last slash, backslash or colon in the
1718 * filename and use only the part after that. (And
1721 * In addition, we also ensure here that if we're
1722 * copying a single file and the target is a directory
1723 * (common usage: `pscp host:filename .') the remote
1724 * can't send us a _different_ file name. We can
1725 * distinguish this case because `src' will be non-NULL
1726 * and the last component of that will fail to match
1727 * (the last component of) the name sent.
1729 * Well, not always; if `src' is a wildcard, we do
1730 * expect to get back filenames that don't correspond
1731 * exactly to it. Ideally in this case, we would like
1732 * to ensure that the returned filename actually
1733 * matches the wildcard pattern - but one of SCP's
1734 * protocol infelicities is that wildcard matching is
1735 * done at the server end _by the server's rules_ and
1736 * so in general this is infeasible. Hence, we only
1737 * accept filenames that don't correspond to `src' if
1738 * unsafe mode is enabled or we are using SFTP (which
1739 * resolves remote wildcards on the client side and can
1742 char *striptarget
, *stripsrc
;
1744 striptarget
= stripslashes(act
.name
, 1);
1745 if (striptarget
!= act
.name
) {
1746 tell_user(stderr
, "warning: remote host sent a compound"
1747 " pathname '%s'", act
.name
);
1748 tell_user(stderr
, " renaming local file to '%s'",
1753 * Also check to see if the target filename is '.' or
1754 * '..', or indeed '...' and so on because Windows
1755 * appears to interpret those like '..'.
1757 if (is_dots(striptarget
)) {
1758 bump("security violation: remote host attempted to write to"
1759 " a '.' or '..' path!");
1763 stripsrc
= stripslashes(src
, 1);
1764 if (strcmp(striptarget
, stripsrc
) &&
1765 !using_sftp
&& !scp_unsafe_mode
) {
1766 tell_user(stderr
, "warning: remote host tried to write "
1767 "to a file called '%s'", striptarget
);
1768 tell_user(stderr
, " when we requested a file "
1769 "called '%s'.", stripsrc
);
1770 tell_user(stderr
, " If this is a wildcard, "
1771 "consider upgrading to SSH 2 or using");
1772 tell_user(stderr
, " the '-unsafe' option. Renaming"
1773 " of this file has been disallowed.");
1774 /* Override the name the server provided with our own. */
1775 striptarget
= stripsrc
;
1779 if (targ
[0] != '\0')
1780 destfname
= dupcat(targ
, "\\", striptarget
, NULL
);
1782 destfname
= dupstr(striptarget
);
1785 * In this branch of the if, the target area is a
1786 * single file with an explicitly specified name in any
1787 * case, so there's no danger.
1789 destfname
= dupstr(targ
);
1791 attr
= GetFileAttributes(destfname
);
1792 exists
= (attr
!= (DWORD
) - 1);
1794 if (act
.action
== SCP_SINK_DIR
) {
1795 if (exists
&& (attr
& FILE_ATTRIBUTE_DIRECTORY
) == 0) {
1796 run_err("%s: Not a directory", destfname
);
1800 if (!CreateDirectory(destfname
, NULL
)) {
1801 run_err("%s: Cannot create directory", destfname
);
1805 sink(destfname
, NULL
);
1806 /* can we set the timestamp for directories ? */
1810 f
= CreateFile(destfname
, GENERIC_WRITE
, 0, NULL
,
1811 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
1812 if (f
== INVALID_HANDLE_VALUE
) {
1813 run_err("%s: Cannot create file", destfname
);
1817 if (scp_accept_filexfer())
1821 stat_starttime
= time(NULL
);
1823 stat_name
= stripslashes(destfname
, 1);
1826 while (received
< act
.size
) {
1827 char transbuf
[4096];
1828 DWORD blksize
, read
, written
;
1830 if (blksize
> act
.size
- received
)
1831 blksize
= act
.size
- received
;
1832 read
= scp_recv_filedata(transbuf
, blksize
);
1834 bump("Lost connection");
1837 if (!WriteFile(f
, transbuf
, read
, &written
, NULL
) ||
1840 /* FIXME: in sftp we can actually abort the transfer */
1842 printf("\r%-25.25s | %50s\n",
1844 "Write error.. waiting for end of file");
1849 if (time(NULL
) > stat_lasttime
||
1850 received
+ read
== act
.size
) {
1851 stat_lasttime
= time(NULL
);
1852 print_stats(stat_name
, act
.size
, stat_bytes
,
1853 stat_starttime
, stat_lasttime
);
1859 FILETIME actime
, wrtime
;
1860 TIME_POSIX_TO_WIN(act
.atime
, actime
);
1861 TIME_POSIX_TO_WIN(act
.mtime
, wrtime
);
1862 SetFileTime(f
, NULL
, &actime
, &wrtime
);
1867 run_err("%s: Write error", destfname
);
1870 (void) scp_finish_filerecv();
1877 * We will copy local files to a remote server.
1879 static void toremote(int argc
, char *argv
[])
1881 char *src
, *targ
, *host
, *user
;
1885 targ
= argv
[argc
- 1];
1887 /* Separate host from filename */
1891 bump("targ == NULL in toremote()");
1895 /* Substitute "." for emtpy target */
1897 /* Separate host and username */
1899 host
= strrchr(host
, '@');
1910 /* Find out if the source filespec covers multiple files
1911 if so, we should set the targetshouldbedirectory flag */
1913 WIN32_FIND_DATA fdat
;
1914 if (colon(argv
[0]) != NULL
)
1915 bump("%s: Remote to remote not supported", argv
[0]);
1916 fh
= FindFirstFile(argv
[0], &fdat
);
1917 if (fh
== INVALID_HANDLE_VALUE
)
1918 bump("%s: No such file or directory\n", argv
[0]);
1919 if (FindNextFile(fh
, &fdat
))
1920 targetshouldbedirectory
= 1;
1924 cmd
= smalloc(strlen(targ
) + 100);
1925 sprintf(cmd
, "scp%s%s%s%s -t %s",
1926 verbose ?
" -v" : "",
1927 recursive ?
" -r" : "",
1928 preserve ?
" -p" : "",
1929 targetshouldbedirectory ?
" -d" : "", targ
);
1930 do_cmd(host
, user
, cmd
);
1933 scp_source_setup(targ
, targetshouldbedirectory
);
1935 for (i
= 0; i
< argc
- 1; i
++) {
1936 char *srcpath
, *last
;
1938 WIN32_FIND_DATA fdat
;
1940 if (colon(src
) != NULL
) {
1941 tell_user(stderr
, "%s: Remote to remote not supported\n", src
);
1947 * Trim off the last pathname component of `src', to
1948 * provide the base pathname which will be prepended to
1949 * filenames returned from Find{First,Next}File.
1951 srcpath
= dupstr(src
);
1952 last
= stripslashes(srcpath
, 1);
1955 dir
= FindFirstFile(src
, &fdat
);
1956 if (dir
== INVALID_HANDLE_VALUE
) {
1957 run_err("%s: No such file or directory", src
);
1963 * Ensure that . and .. are never matched by wildcards,
1964 * but only by deliberate action.
1966 if (!strcmp(fdat
.cFileName
, ".") ||
1967 !strcmp(fdat
.cFileName
, "..")) {
1969 * Find*File has returned a special dir. We require
1970 * that _either_ `src' ends in a backslash followed
1971 * by that string, _or_ `src' is precisely that
1974 int len
= strlen(src
), dlen
= strlen(fdat
.cFileName
);
1975 if (len
== dlen
&& !strcmp(src
, fdat
.cFileName
)) {
1977 } else if (len
> dlen
+ 1 && src
[len
- dlen
- 1] == '\\' &&
1978 !strcmp(src
+ len
- dlen
, fdat
.cFileName
)) {
1981 continue; /* ignore this one */
1983 filename
= dupcat(srcpath
, fdat
.cFileName
, NULL
);
1986 } while (FindNextFile(dir
, &fdat
));
1993 * We will copy files from a remote server to the local machine.
1995 static void tolocal(int argc
, char *argv
[])
1997 char *src
, *targ
, *host
, *user
;
2001 bump("More than one remote source not supported");
2006 /* Separate host from filename */
2010 bump("Local to local copy not supported");
2014 /* Substitute "." for empty filename */
2016 /* Separate username and hostname */
2018 host
= strrchr(host
, '@');
2028 cmd
= smalloc(strlen(src
) + 100);
2029 sprintf(cmd
, "scp%s%s%s%s -f %s",
2030 verbose ?
" -v" : "",
2031 recursive ?
" -r" : "",
2032 preserve ?
" -p" : "",
2033 targetshouldbedirectory ?
" -d" : "", src
);
2034 do_cmd(host
, user
, cmd
);
2037 if (scp_sink_setup(src
, preserve
, recursive
))
2044 * We will issue a list command to get a remote directory.
2046 static void get_dir_list(int argc
, char *argv
[])
2048 char *src
, *host
, *user
;
2054 /* Separate host from filename */
2058 bump("Local to local copy not supported");
2062 /* Substitute "." for empty filename */
2064 /* Separate username and hostname */
2066 host
= strrchr(host
, '@');
2076 cmd
= smalloc(4 * strlen(src
) + 100);
2077 strcpy(cmd
, "ls -la '");
2078 p
= cmd
+ strlen(cmd
);
2079 for (q
= src
; *q
; q
++) {
2092 do_cmd(host
, user
, cmd
);
2096 scp_sftp_listdir(src
);
2098 while (ssh_scp_recv(&c
, 1) > 0)
2099 tell_char(stdout
, c
);
2104 * Initialize the Win$ock driver.
2106 static void init_winsock(void)
2111 winsock_ver
= MAKEWORD(1, 1);
2112 if (WSAStartup(winsock_ver
, &wsadata
))
2113 bump("Unable to initialise WinSock");
2114 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1)
2115 bump("WinSock version is incompatible with 1.1");
2119 * Short description of parameters.
2121 static void usage(void)
2123 printf("PuTTY Secure Copy client\n");
2124 printf("%s\n", ver
);
2125 printf("Usage: pscp [options] [user@]host:source target\n");
2127 (" pscp [options] source [source...] [user@]host:target\n");
2128 printf(" pscp [options] -ls user@host:filespec\n");
2129 printf("Options:\n");
2130 printf(" -p preserve file attributes\n");
2131 printf(" -q quiet, don't show statistics\n");
2132 printf(" -r copy directories recursively\n");
2133 printf(" -v show verbose messages\n");
2134 printf(" -load sessname Load settings from saved session\n");
2135 printf(" -P port connect to specified port\n");
2136 printf(" -l user connect with specified username\n");
2137 printf(" -pw passw login with specified password\n");
2138 printf(" -1 -2 force use of particular SSH protocol version\n");
2139 printf(" -C enable compression\n");
2140 printf(" -i key private key file for authentication\n");
2141 printf(" -batch disable all interactive prompts\n");
2142 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2145 * -gui is an internal option, used by GUI front ends to get
2146 * pscp to pass progress reports back to them. It's not an
2147 * ordinary user-accessible option, so it shouldn't be part of
2148 * the command-line help. The only people who need to know
2149 * about it are programmers, and they can read the source.
2152 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2157 void cmdline_error(char *p
, ...)
2160 fprintf(stderr
, "pscp: ");
2162 vfprintf(stderr
, p
, ap
);
2164 fputc('\n', stderr
);
2169 * Main program (no, really?)
2171 int main(int argc
, char *argv
[])
2175 default_protocol
= PROT_TELNET
;
2177 flags
= FLAG_STDERR
;
2178 cmdline_tooltype
= TOOLTYPE_FILETRANSFER
;
2179 ssh_get_line
= &console_get_line
;
2183 for (i
= 1; i
< argc
; i
++) {
2185 if (argv
[i
][0] != '-')
2187 ret
= cmdline_process_param(argv
[i
], i
+1<argc?argv
[i
+1]:NULL
, 1);
2189 cmdline_error("option \"%s\" requires an argument", argv
[i
]);
2190 } else if (ret
== 2) {
2191 i
++; /* skip next argument */
2192 } else if (ret
== 1) {
2193 /* We have our own verbosity in addition to `flags'. */
2194 if (flags
& FLAG_VERBOSE
)
2196 } else if (strcmp(argv
[i
], "-r") == 0) {
2198 } else if (strcmp(argv
[i
], "-p") == 0) {
2200 } else if (strcmp(argv
[i
], "-q") == 0) {
2202 } else if (strcmp(argv
[i
], "-h") == 0 || strcmp(argv
[i
], "-?") == 0) {
2204 } else if (strcmp(argv
[i
], "-gui") == 0 && i
+ 1 < argc
) {
2205 gui_hwnd
= argv
[++i
];
2207 console_batch_mode
= TRUE
;
2208 } else if (strcmp(argv
[i
], "-ls") == 0) {
2210 } else if (strcmp(argv
[i
], "-batch") == 0) {
2211 console_batch_mode
= 1;
2212 } else if (strcmp(argv
[i
], "-unsafe") == 0) {
2213 scp_unsafe_mode
= 1;
2214 } else if (strcmp(argv
[i
], "--") == 0) {
2227 get_dir_list(argc
, argv
);
2234 targetshouldbedirectory
= 1;
2236 if (colon(argv
[argc
- 1]) != NULL
)
2237 toremote(argc
, argv
);
2239 tolocal(argc
, argv
);
2242 if (back
!= NULL
&& back
->socket(backhandle
) != NULL
) {
2244 back
->special(backhandle
, TS_EOF
);
2245 ssh_scp_recv(&ch
, 1);
2250 /* GUI Adaptation - August 2000 */
2252 unsigned int msg_id
= WM_RET_ERR_CNT
;
2254 msg_id
= WM_LS_RET_ERR_CNT
;
2256 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
2257 0 /*lParam */ ))SleepEx(1000, TRUE
);
2259 return (errs
== 0 ?
0 : 1);