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 */
43 #define WM_APP_BASE 0x8000
44 #define WM_STD_OUT_CHAR ( WM_APP_BASE+400 )
45 #define WM_STD_ERR_CHAR ( WM_APP_BASE+401 )
46 #define WM_STATS_CHAR ( WM_APP_BASE+402 )
47 #define WM_STATS_SIZE ( WM_APP_BASE+403 )
48 #define WM_STATS_PERCENT ( WM_APP_BASE+404 )
49 #define WM_STATS_ELAPSED ( WM_APP_BASE+405 )
50 #define WM_RET_ERR_CNT ( WM_APP_BASE+406 )
51 #define WM_LS_RET_ERR_CNT ( WM_APP_BASE+407 )
52 #define WM_STATS_DONE ( WM_APP_BASE+408 )
53 #define WM_STATS_ETA ( WM_APP_BASE+409 )
54 #define WM_STATS_RATEBS ( WM_APP_BASE+410 )
57 static int verbose
= 0;
58 static int recursive
= 0;
59 static int preserve
= 0;
60 static int targetshouldbedirectory
= 0;
61 static int statistics
= 1;
62 static int portnumber
= 0;
63 static int prev_stats_len
= 0;
64 static int scp_unsafe_mode
= 0;
65 static char *password
= NULL
;
67 /* GUI Adaptation - Sept 2000 */
68 #define NAME_STR_MAX 2048
69 static char statname
[NAME_STR_MAX
+ 1];
70 static unsigned long statsize
= 0;
71 static unsigned long statdone
= 0;
72 static unsigned long stateta
= 0;
73 static unsigned long statratebs
= 0;
74 static int statperct
= 0;
75 static unsigned long statelapsed
= 0;
76 static int gui_mode
= 0;
77 static char *gui_hwnd
= NULL
;
78 static int using_sftp
= 0;
80 static void source(char *src
);
81 static void rsource(char *src
);
82 static void sink(char *targ
, char *src
);
83 /* GUI Adaptation - Sept 2000 */
84 static void tell_char(FILE * stream
, char c
);
85 static void tell_str(FILE * stream
, char *str
);
86 static void tell_user(FILE * stream
, char *fmt
, ...);
87 static void gui_update_stats(char *name
, unsigned long size
,
88 int percentage
, unsigned long elapsed
,
89 unsigned long done
, unsigned long eta
,
90 unsigned long ratebs
);
93 * The maximum amount of queued data we accept before we stop and
94 * wait for the server to process some.
96 #define MAX_SCP_BUFSIZE 16384
98 void ldisc_send(char *buf
, int len
, int interactive
)
101 * This is only here because of the calls to ldisc_send(NULL,
102 * 0) in ssh.c. Nothing in PSCP actually needs to use the ldisc
103 * as an ldisc. So if we get called with any real data, I want
109 /* GUI Adaptation - Sept 2000 */
110 static void send_msg(HWND h
, UINT message
, WPARAM wParam
)
112 while (!PostMessage(h
, message
, wParam
, 0))
116 static void tell_char(FILE * stream
, char c
)
121 unsigned int msg_id
= WM_STD_OUT_CHAR
;
122 if (stream
== stderr
)
123 msg_id
= WM_STD_ERR_CHAR
;
124 send_msg((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) c
);
128 static void tell_str(FILE * stream
, char *str
)
132 for (i
= 0; i
< strlen(str
); ++i
)
133 tell_char(stream
, str
[i
]);
136 static void tell_user(FILE * stream
, char *fmt
, ...)
138 char str
[0x100]; /* Make the size big enough */
141 vsprintf(str
, fmt
, ap
);
144 tell_str(stream
, str
);
147 static void gui_update_stats(char *name
, unsigned long size
,
148 int percentage
, unsigned long elapsed
,
149 unsigned long done
, unsigned long eta
,
150 unsigned long ratebs
)
154 if (strcmp(name
, statname
) != 0) {
155 for (i
= 0; i
< strlen(name
); ++i
)
156 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
,
158 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_CHAR
, (WPARAM
) '\n');
159 strcpy(statname
, name
);
161 if (statsize
!= size
) {
162 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_SIZE
, (WPARAM
) size
);
165 if (statdone
!= done
) {
166 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_DONE
, (WPARAM
) done
);
169 if (stateta
!= eta
) {
170 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ETA
, (WPARAM
) eta
);
173 if (statratebs
!= ratebs
) {
174 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_RATEBS
, (WPARAM
) ratebs
);
177 if (statelapsed
!= elapsed
) {
178 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_ELAPSED
,
180 statelapsed
= elapsed
;
182 if (statperct
!= percentage
) {
183 send_msg((HWND
) atoi(gui_hwnd
), WM_STATS_PERCENT
,
184 (WPARAM
) percentage
);
185 statperct
= percentage
;
190 * Print an error message and perform a fatal exit.
192 void fatalbox(char *fmt
, ...)
194 char str
[0x100]; /* Make the size big enough */
197 strcpy(str
, "Fatal: ");
198 vsprintf(str
+ strlen(str
), fmt
, ap
);
201 tell_str(stderr
, str
);
205 unsigned int msg_id
= WM_RET_ERR_CNT
;
207 msg_id
= WM_LS_RET_ERR_CNT
;
209 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
210 0 /*lParam */ ))SleepEx(1000, TRUE
);
215 void connection_fatal(char *fmt
, ...)
217 char str
[0x100]; /* Make the size big enough */
220 strcpy(str
, "Fatal: ");
221 vsprintf(str
+ strlen(str
), fmt
, ap
);
224 tell_str(stderr
, str
);
228 unsigned int msg_id
= WM_RET_ERR_CNT
;
230 msg_id
= WM_LS_RET_ERR_CNT
;
232 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
233 0 /*lParam */ ))SleepEx(1000, TRUE
);
240 * Be told what socket we're supposed to be using.
242 static SOCKET scp_ssh_socket
;
243 char *do_select(SOCKET skt
, int startup
)
246 scp_ssh_socket
= skt
;
248 scp_ssh_socket
= INVALID_SOCKET
;
251 extern int select_result(WPARAM
, LPARAM
);
254 * Receive a block of data from the SSH link. Block until all data
257 * To do this, we repeatedly call the SSH protocol module, with our
258 * own trap in from_backend() to catch the data that comes back. We
259 * do this until we have enough data.
262 static unsigned char *outptr
; /* where to put the data */
263 static unsigned outlen
; /* how much data required */
264 static unsigned char *pending
= NULL
; /* any spare data */
265 static unsigned pendlen
= 0, pendsize
= 0; /* length and phys. size of buffer */
266 int from_backend(int is_stderr
, char *data
, int datalen
)
268 unsigned char *p
= (unsigned char *) data
;
269 unsigned len
= (unsigned) datalen
;
274 * stderr data is just spouted to local stderr and otherwise
278 fwrite(data
, 1, len
, stderr
);
283 * If this is before the real session begins, just return.
289 unsigned used
= outlen
;
292 memcpy(outptr
, p
, used
);
300 if (pendsize
< pendlen
+ len
) {
301 pendsize
= pendlen
+ len
+ 4096;
302 pending
= (pending ?
srealloc(pending
, pendsize
) :
305 fatalbox("Out of memory");
307 memcpy(pending
+ pendlen
, p
, len
);
313 static int scp_process_network_event(void)
318 FD_SET(scp_ssh_socket
, &readfds
);
319 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
321 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
324 static int ssh_scp_recv(unsigned char *buf
, int len
)
330 * See if the pending-input block contains some of what we
334 unsigned pendused
= pendlen
;
335 if (pendused
> outlen
)
337 memcpy(outptr
, pending
, pendused
);
338 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
352 if (!scp_process_network_event())
360 * Loop through the ssh connection and authentication process.
362 static void ssh_scp_init(void)
364 if (scp_ssh_socket
== INVALID_SOCKET
)
366 while (!back
->sendok()) {
369 FD_SET(scp_ssh_socket
, &readfds
);
370 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
372 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
374 using_sftp
= !ssh_fallback_cmd
;
378 * Print an error message and exit after closing the SSH link.
380 static void bump(char *fmt
, ...)
382 char str
[0x100]; /* Make the size big enough */
385 strcpy(str
, "Fatal: ");
386 vsprintf(str
+ strlen(str
), fmt
, ap
);
389 tell_str(stderr
, str
);
392 if (back
!= NULL
&& back
->socket() != NULL
) {
394 back
->special(TS_EOF
);
395 ssh_scp_recv(&ch
, 1);
399 unsigned int msg_id
= WM_RET_ERR_CNT
;
401 msg_id
= WM_LS_RET_ERR_CNT
;
403 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
404 0 /*lParam */ ))SleepEx(1000, TRUE
);
411 * Open an SSH connection to user@host and execute cmd.
413 static void do_cmd(char *host
, char *user
, char *cmd
)
415 char *err
, *realhost
;
418 if (host
== NULL
|| host
[0] == '\0')
419 bump("Empty host name");
421 /* Try to load settings for this host */
422 do_defaults(host
, &cfg
);
423 if (cfg
.host
[0] == '\0') {
424 /* No settings for this host; use defaults */
425 do_defaults(NULL
, &cfg
);
426 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
427 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
432 * Trim leading whitespace off the hostname if it's there.
435 int space
= strspn(cfg
.host
, " \t");
436 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
439 /* See if host is of the form user@host */
440 if (cfg
.host
[0] != '\0') {
441 char *atsign
= strchr(cfg
.host
, '@');
442 /* Make sure we're not overflowing the user field */
444 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
445 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
446 cfg
.username
[atsign
- cfg
.host
] = '\0';
448 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
453 * Trim a colon suffix off the hostname if it's there.
455 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
458 if (user
!= NULL
&& user
[0] != '\0') {
459 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
460 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
461 } else if (cfg
.username
[0] == '\0') {
463 if (GetUserName(user
, &namelen
) == FALSE
)
464 bump("Empty user name");
465 user
= smalloc(namelen
* sizeof(char));
466 GetUserName(user
, &namelen
);
468 tell_user(stderr
, "Guessing user name: %s", user
);
469 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
470 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
474 if (cfg
.protocol
!= PROT_SSH
)
478 cfg
.port
= portnumber
;
481 * Disable scary things which shouldn't be enabled for simple
482 * things like SCP and SFTP: agent forwarding, port forwarding,
487 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
490 * Attempt to start the SFTP subsystem as a first choice,
491 * falling back to the provided scp command if that fails.
493 strcpy(cfg
.remote_cmd
, "sftp");
494 cfg
.ssh_subsys
= TRUE
;
495 cfg
.remote_cmd_ptr2
= cmd
;
496 cfg
.ssh_subsys2
= FALSE
;
501 err
= back
->init(cfg
.host
, cfg
.port
, &realhost
, 0);
503 bump("ssh_init: %s", err
);
505 if (verbose
&& realhost
!= NULL
)
506 tell_user(stderr
, "Connected to %s\n", realhost
);
511 * Update statistic information about current file.
513 static void print_stats(char *name
, unsigned long size
, unsigned long done
,
514 time_t start
, time_t now
)
523 elap
= (unsigned long) difftime(now
, start
);
526 ratebs
= (float) done
/ elap
;
528 ratebs
= (float) done
;
533 eta
= (unsigned long) ((size
- done
) / ratebs
);
534 sprintf(etastr
, "%02ld:%02ld:%02ld",
535 eta
/ 3600, (eta
% 3600) / 60, eta
% 60);
537 pct
= (int) (100 * (done
* 1.0 / size
));
540 /* GUI Adaptation - Sept 2000 */
541 gui_update_stats(name
, size
, pct
, elap
, done
, eta
,
542 (unsigned long) ratebs
);
544 len
= printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
545 name
, done
/ 1024, ratebs
/ 1024.0, etastr
, pct
);
546 if (len
< prev_stats_len
)
547 printf("%*s", prev_stats_len
- len
, "");
548 prev_stats_len
= len
;
556 * Find a colon in str and return a pointer to the colon.
557 * This is used to separate hostname from filename.
559 static char *colon(char *str
)
561 /* We ignore a leading colon, since the hostname cannot be
562 empty. We also ignore a colon as second character because
563 of filenames like f:myfile.txt. */
564 if (str
[0] == '\0' || str
[0] == ':' || str
[1] == ':')
566 while (*str
!= '\0' && *str
!= ':' && *str
!= '/' && *str
!= '\\')
575 * Return a pointer to the portion of str that comes after the last
576 * slash (or backslash or colon, if `local' is TRUE).
578 static char *stripslashes(char *str
, int local
)
583 p
= strchr(str
, ':');
587 p
= strrchr(str
, '/');
591 p
= strrchr(str
, '\\');
599 * Determine whether a string is entirely composed of dots.
601 static int is_dots(char *str
)
603 return str
[strspn(str
, ".")] == '\0';
607 * Wait for a response from the other side.
608 * Return 0 if ok, -1 if error.
610 static int response(void)
612 char ch
, resp
, rbuf
[2048];
615 if (ssh_scp_recv(&resp
, 1) <= 0)
616 bump("Lost connection");
626 case 2: /* fatal error */
628 if (ssh_scp_recv(&ch
, 1) <= 0)
629 bump("Protocol error: Lost connection");
631 } while (p
< sizeof(rbuf
) && ch
!= '\n');
634 tell_user(stderr
, "%s\n", rbuf
);
642 int sftp_recvdata(char *buf
, int len
)
644 return ssh_scp_recv(buf
, len
);
646 int sftp_senddata(char *buf
, int len
)
648 back
->send((unsigned char *) buf
, len
);
652 /* ----------------------------------------------------------------------
653 * sftp-based replacement for the hacky `pscp -ls'.
655 static int sftp_ls_compare(const void *av
, const void *bv
)
657 const struct fxp_name
*a
= (const struct fxp_name
*) av
;
658 const struct fxp_name
*b
= (const struct fxp_name
*) bv
;
659 return strcmp(a
->filename
, b
->filename
);
661 void scp_sftp_listdir(char *dirname
)
663 struct fxp_handle
*dirh
;
664 struct fxp_names
*names
;
665 struct fxp_name
*ournames
;
666 int nnames
, namesize
;
669 printf("Listing directory %s\n", dirname
);
671 dirh
= fxp_opendir(dirname
);
673 printf("Unable to open %s: %s\n", dirname
, fxp_error());
675 nnames
= namesize
= 0;
680 names
= fxp_readdir(dirh
);
682 if (fxp_error_type() == SSH_FX_EOF
)
684 printf("Reading directory %s: %s\n", dirname
, fxp_error());
687 if (names
->nnames
== 0) {
688 fxp_free_names(names
);
692 if (nnames
+ names
->nnames
>= namesize
) {
693 namesize
+= names
->nnames
+ 128;
695 srealloc(ournames
, namesize
* sizeof(*ournames
));
698 for (i
= 0; i
< names
->nnames
; i
++)
699 ournames
[nnames
++] = names
->names
[i
];
701 names
->nnames
= 0; /* prevent free_names */
702 fxp_free_names(names
);
707 * Now we have our filenames. Sort them by actual file
708 * name, and then output the longname parts.
710 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
715 for (i
= 0; i
< nnames
; i
++)
716 printf("%s\n", ournames
[i
].longname
);
720 /* ----------------------------------------------------------------------
721 * Helper routines that contain the actual SCP protocol elements,
722 * implemented both as SCP1 and SFTP.
725 static struct scp_sftp_dirstack
{
726 struct scp_sftp_dirstack
*next
;
727 struct fxp_name
*names
;
728 int namepos
, namelen
;
731 int matched_something
; /* wildcard match set was non-empty */
732 } *scp_sftp_dirstack_head
;
733 static char *scp_sftp_remotepath
, *scp_sftp_currentname
;
734 static char *scp_sftp_wildcard
;
735 static int scp_sftp_targetisdir
, scp_sftp_donethistarget
;
736 static int scp_sftp_preserve
, scp_sftp_recursive
;
737 static unsigned long scp_sftp_mtime
, scp_sftp_atime
;
738 static int scp_has_times
;
739 static struct fxp_handle
*scp_sftp_filehandle
;
740 static uint64 scp_sftp_fileoffset
;
742 void scp_source_setup(char *target
, int shouldbedir
)
746 * Find out whether the target filespec is in fact a
749 struct fxp_attrs attrs
;
752 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
757 if (!fxp_stat(target
, &attrs
) ||
758 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
))
759 scp_sftp_targetisdir
= 0;
761 scp_sftp_targetisdir
= (attrs
.permissions
& 0040000) != 0;
763 if (shouldbedir
&& !scp_sftp_targetisdir
) {
764 bump("pscp: remote filespec %s: not a directory\n", target
);
767 scp_sftp_remotepath
= dupstr(target
);
775 int scp_send_errmsg(char *str
)
778 /* do nothing; we never need to send our errors to the server */
780 back
->send("\001", 1); /* scp protocol error prefix */
781 back
->send(str
, strlen(str
));
783 return 0; /* can't fail */
786 int scp_send_filetimes(unsigned long mtime
, unsigned long atime
)
789 scp_sftp_mtime
= mtime
;
790 scp_sftp_atime
= atime
;
795 sprintf(buf
, "T%lu 0 %lu 0\n", mtime
, atime
);
796 back
->send(buf
, strlen(buf
));
801 int scp_send_filename(char *name
, unsigned long size
, int modes
)
805 if (scp_sftp_targetisdir
) {
806 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
808 fullname
= dupstr(scp_sftp_remotepath
);
810 scp_sftp_filehandle
=
811 fxp_open(fullname
, SSH_FXF_WRITE
| SSH_FXF_CREAT
| SSH_FXF_TRUNC
);
812 if (!scp_sftp_filehandle
) {
813 tell_user(stderr
, "pscp: unable to open %s: %s",
814 fullname
, fxp_error());
818 scp_sftp_fileoffset
= uint64_make(0, 0);
823 sprintf(buf
, "C%04o %lu ", modes
, size
);
824 back
->send(buf
, strlen(buf
));
825 back
->send(name
, strlen(name
));
831 int scp_send_filedata(char *data
, int len
)
834 if (!scp_sftp_filehandle
) {
837 if (!fxp_write(scp_sftp_filehandle
, data
, scp_sftp_fileoffset
, len
)) {
838 tell_user(stderr
, "error while writing: %s\n", fxp_error());
842 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, len
);
845 int bufsize
= back
->send(data
, len
);
848 * If the network transfer is backing up - that is, the
849 * remote site is not accepting data as fast as we can
850 * produce it - then we must loop on network events until
851 * we have space in the buffer again.
853 while (bufsize
> MAX_SCP_BUFSIZE
) {
854 if (!scp_process_network_event())
856 bufsize
= back
->sendbuffer();
863 int scp_send_finish(void)
866 struct fxp_attrs attrs
;
867 if (!scp_sftp_filehandle
) {
871 attrs
.flags
= SSH_FILEXFER_ATTR_ACMODTIME
;
872 attrs
.atime
= scp_sftp_atime
;
873 attrs
.mtime
= scp_sftp_mtime
;
874 if (!fxp_fsetstat(scp_sftp_filehandle
, attrs
)) {
875 tell_user(stderr
, "unable to set file times: %s\n", fxp_error());
879 fxp_close(scp_sftp_filehandle
);
888 char *scp_save_remotepath(void)
891 return scp_sftp_remotepath
;
896 void scp_restore_remotepath(char *data
)
899 scp_sftp_remotepath
= data
;
902 int scp_send_dirname(char *name
, int modes
)
907 struct fxp_attrs attrs
;
908 if (scp_sftp_targetisdir
) {
909 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
911 fullname
= dupstr(scp_sftp_remotepath
);
915 * We don't worry about whether we managed to create the
916 * directory, because if it exists already it's OK just to
917 * use it. Instead, we will stat it afterwards, and if it
918 * exists and is a directory we will assume we were either
919 * successful or it didn't matter.
921 if (!fxp_mkdir(fullname
))
924 err
= "server reported no error";
925 if (!fxp_stat(fullname
, &attrs
) ||
926 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
927 !(attrs
.permissions
& 0040000)) {
928 tell_user(stderr
, "unable to create directory %s: %s",
934 scp_sftp_remotepath
= fullname
;
939 sprintf(buf
, "D%04o 0 ", modes
);
940 back
->send(buf
, strlen(buf
));
941 back
->send(name
, strlen(name
));
947 int scp_send_enddir(void)
950 sfree(scp_sftp_remotepath
);
953 back
->send("E\n", 2);
959 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
960 * That's bad. The difference is that scp_sink_setup is called once
961 * right at the start, whereas scp_sink_init is called to
962 * initialise every level of recursion in the protocol.
964 int scp_sink_setup(char *source
, int preserve
, int recursive
)
970 tell_user(stderr
, "unable to initialise SFTP: %s", fxp_error());
975 * It's possible that the source string we've been given
976 * contains a wildcard. If so, we must split the directory
977 * away from the wildcard itself (throwing an error if any
978 * wildcardness comes before the final slash) and arrange
979 * things so that a dirstack entry will be set up.
981 newsource
= smalloc(1+strlen(source
));
982 if (!wc_unescape(newsource
, source
)) {
983 /* Yes, here we go; it's a wildcard. Bah. */
984 char *dupsource
, *lastpart
, *dirpart
, *wildcard
;
985 dupsource
= dupstr(source
);
986 lastpart
= stripslashes(dupsource
, 0);
987 wildcard
= dupstr(lastpart
);
989 if (*dupsource
&& dupsource
[1]) {
991 * The remains of dupsource are at least two
992 * characters long, meaning the pathname wasn't
993 * empty or just `/'. Hence, we remove the trailing
997 } else if (!*dupsource
) {
999 * The remains of dupsource are _empty_ - the whole
1000 * pathname was a wildcard. Hence we need to
1001 * replace it with ".".
1004 dupsource
= dupstr(".");
1008 * Now we have separated our string into dupsource (the
1009 * directory part) and wildcard. Both of these will
1010 * need freeing at some point. Next step is to remove
1011 * wildcard escapes from the directory part, throwing
1012 * an error if it contains a real wildcard.
1014 dirpart
= smalloc(1+strlen(dupsource
));
1015 if (!wc_unescape(dirpart
, dupsource
)) {
1016 tell_user(stderr
, "%s: multiple-level wildcards unsupported",
1026 * Now we have dirpart (unescaped, ie a valid remote
1027 * path), and wildcard (a wildcard). This will be
1028 * sufficient to arrange a dirstack entry.
1030 scp_sftp_remotepath
= dirpart
;
1031 scp_sftp_wildcard
= wildcard
;
1034 scp_sftp_remotepath
= newsource
;
1035 scp_sftp_wildcard
= NULL
;
1037 scp_sftp_preserve
= preserve
;
1038 scp_sftp_recursive
= recursive
;
1039 scp_sftp_donethistarget
= 0;
1040 scp_sftp_dirstack_head
= NULL
;
1045 int scp_sink_init(void)
1053 #define SCP_SINK_FILE 1
1054 #define SCP_SINK_DIR 2
1055 #define SCP_SINK_ENDDIR 3
1056 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1057 struct scp_sink_action
{
1058 int action
; /* FILE, DIR, ENDDIR */
1059 char *buf
; /* will need freeing after use */
1060 char *name
; /* filename or dirname (not ENDDIR) */
1061 int mode
; /* access mode (not ENDDIR) */
1062 unsigned long size
; /* file size (not ENDDIR) */
1063 int settime
; /* 1 if atime and mtime are filled */
1064 unsigned long atime
, mtime
; /* access times for the file */
1067 int scp_get_sink_action(struct scp_sink_action
*act
)
1071 int must_free_fname
;
1072 struct fxp_attrs attrs
;
1075 if (!scp_sftp_dirstack_head
) {
1076 if (!scp_sftp_donethistarget
) {
1078 * Simple case: we are only dealing with one file.
1080 fname
= scp_sftp_remotepath
;
1081 must_free_fname
= 0;
1082 scp_sftp_donethistarget
= 1;
1085 * Even simpler case: one file _which we've done_.
1086 * Return 1 (finished).
1092 * We're now in the middle of stepping through a list
1093 * of names returned from fxp_readdir(); so let's carry
1096 struct scp_sftp_dirstack
*head
= scp_sftp_dirstack_head
;
1097 while (head
->namepos
< head
->namelen
&&
1098 (is_dots(head
->names
[head
->namepos
].filename
) ||
1100 !wc_match(head
->wildcard
,
1101 head
->names
[head
->namepos
].filename
))))
1102 head
->namepos
++; /* skip . and .. */
1103 if (head
->namepos
< head
->namelen
) {
1104 head
->matched_something
= 1;
1105 fname
= dupcat(head
->dirpath
, "/",
1106 head
->names
[head
->namepos
++].filename
,
1108 must_free_fname
= 1;
1111 * We've come to the end of the list; pop it off
1112 * the stack and return an ENDDIR action (or RETRY
1113 * if this was a wildcard match).
1115 if (head
->wildcard
) {
1116 act
->action
= SCP_SINK_RETRY
;
1117 if (!head
->matched_something
) {
1118 tell_user(stderr
, "pscp: wildcard '%s' matched "
1119 "no files", head
->wildcard
);
1122 sfree(head
->wildcard
);
1125 act
->action
= SCP_SINK_ENDDIR
;
1128 sfree(head
->dirpath
);
1130 scp_sftp_dirstack_head
= head
->next
;
1138 * Now we have a filename. Stat it, and see if it's a file
1141 ret
= fxp_stat(fname
, &attrs
);
1142 if (!ret
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1143 tell_user(stderr
, "unable to identify %s: %s", fname
,
1144 ret ?
"file type not supplied" : fxp_error());
1149 if (attrs
.permissions
& 0040000) {
1150 struct scp_sftp_dirstack
*newitem
;
1151 struct fxp_handle
*dirhandle
;
1152 int nnames
, namesize
;
1153 struct fxp_name
*ournames
;
1154 struct fxp_names
*names
;
1157 * It's a directory. If we're not in recursive mode,
1158 * this merits a complaint (which is fatal if the name
1159 * was specified directly, but not if it was matched by
1162 * We skip this complaint completely if
1163 * scp_sftp_wildcard is set, because that's an
1164 * indication that we're not actually supposed to
1165 * _recursively_ transfer the dir, just scan it for
1166 * things matching the wildcard.
1168 if (!scp_sftp_recursive
&& !scp_sftp_wildcard
) {
1169 tell_user(stderr
, "pscp: %s: is a directory", fname
);
1171 if (must_free_fname
) sfree(fname
);
1172 if (scp_sftp_dirstack_head
) {
1173 act
->action
= SCP_SINK_RETRY
;
1181 * Otherwise, the fun begins. We must fxp_opendir() the
1182 * directory, slurp the filenames into memory, return
1183 * SCP_SINK_DIR (unless this is a wildcard match), and
1184 * set targetisdir. The next time we're called, we will
1185 * run through the list of filenames one by one,
1186 * matching them against a wildcard if present.
1188 * If targetisdir is _already_ set (meaning we're
1189 * already in the middle of going through another such
1190 * list), we must push the other (target,namelist) pair
1193 dirhandle
= fxp_opendir(fname
);
1195 tell_user(stderr
, "scp: unable to open directory %s: %s",
1196 fname
, fxp_error());
1197 if (must_free_fname
) sfree(fname
);
1201 nnames
= namesize
= 0;
1206 names
= fxp_readdir(dirhandle
);
1207 if (names
== NULL
) {
1208 if (fxp_error_type() == SSH_FX_EOF
)
1210 tell_user(stderr
, "scp: reading directory %s: %s\n",
1211 fname
, fxp_error());
1212 if (must_free_fname
) sfree(fname
);
1217 if (names
->nnames
== 0) {
1218 fxp_free_names(names
);
1221 if (nnames
+ names
->nnames
>= namesize
) {
1222 namesize
+= names
->nnames
+ 128;
1224 srealloc(ournames
, namesize
* sizeof(*ournames
));
1226 for (i
= 0; i
< names
->nnames
; i
++)
1227 ournames
[nnames
++] = names
->names
[i
];
1228 names
->nnames
= 0; /* prevent free_names */
1229 fxp_free_names(names
);
1231 fxp_close(dirhandle
);
1233 newitem
= smalloc(sizeof(struct scp_sftp_dirstack
));
1234 newitem
->next
= scp_sftp_dirstack_head
;
1235 newitem
->names
= ournames
;
1236 newitem
->namepos
= 0;
1237 newitem
->namelen
= nnames
;
1238 if (must_free_fname
)
1239 newitem
->dirpath
= fname
;
1241 newitem
->dirpath
= dupstr(fname
);
1242 if (scp_sftp_wildcard
) {
1243 newitem
->wildcard
= scp_sftp_wildcard
;
1244 newitem
->matched_something
= 0;
1245 scp_sftp_wildcard
= NULL
;
1247 newitem
->wildcard
= NULL
;
1249 scp_sftp_dirstack_head
= newitem
;
1251 if (newitem
->wildcard
) {
1252 act
->action
= SCP_SINK_RETRY
;
1254 act
->action
= SCP_SINK_DIR
;
1255 act
->buf
= dupstr(stripslashes(fname
, 0));
1256 act
->name
= act
->buf
;
1257 act
->size
= 0; /* duhh, it's a directory */
1258 act
->mode
= 07777 & attrs
.permissions
;
1259 if (scp_sftp_preserve
&&
1260 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1261 act
->atime
= attrs
.atime
;
1262 act
->mtime
= attrs
.mtime
;
1271 * It's a file. Return SCP_SINK_FILE.
1273 act
->action
= SCP_SINK_FILE
;
1274 act
->buf
= dupstr(stripslashes(fname
, 0));
1275 act
->name
= act
->buf
;
1276 if (attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
) {
1277 if (uint64_compare(attrs
.size
,
1278 uint64_make(0, ULONG_MAX
)) > 0) {
1279 act
->size
= ULONG_MAX
; /* *boggle* */
1281 act
->size
= attrs
.size
.lo
;
1283 act
->size
= ULONG_MAX
; /* no idea */
1284 act
->mode
= 07777 & attrs
.permissions
;
1285 if (scp_sftp_preserve
&&
1286 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1287 act
->atime
= attrs
.atime
;
1288 act
->mtime
= attrs
.mtime
;
1292 if (must_free_fname
)
1293 scp_sftp_currentname
= fname
;
1295 scp_sftp_currentname
= dupstr(fname
);
1310 if (ssh_scp_recv(&ch
, 1) <= 0)
1313 bump("Protocol error: Unexpected newline");
1317 if (ssh_scp_recv(&ch
, 1) <= 0)
1318 bump("Lost connection");
1321 act
->buf
= srealloc(act
->buf
, bufsize
);
1324 } while (ch
!= '\n');
1325 act
->buf
[i
- 1] = '\0';
1327 case '\01': /* error */
1328 tell_user(stderr
, "%s\n", act
->buf
);
1330 continue; /* go round again */
1331 case '\02': /* fatal error */
1332 bump("%s", act
->buf
);
1335 act
->action
= SCP_SINK_ENDDIR
;
1338 if (sscanf(act
->buf
, "%ld %*d %ld %*d",
1339 &act
->mtime
, &act
->atime
) == 2) {
1342 continue; /* go round again */
1344 bump("Protocol error: Illegal time format");
1347 act
->action
= (action
== 'C' ? SCP_SINK_FILE
: SCP_SINK_DIR
);
1350 bump("Protocol error: Expected control record");
1353 * We will go round this loop only once, unless we hit
1360 * If we get here, we must have seen SCP_SINK_FILE or
1363 if (sscanf(act
->buf
, "%o %lu %n", &act
->mode
, &act
->size
, &i
) != 2)
1364 bump("Protocol error: Illegal file descriptor format");
1365 act
->name
= act
->buf
+ i
;
1370 int scp_accept_filexfer(void)
1373 scp_sftp_filehandle
=
1374 fxp_open(scp_sftp_currentname
, SSH_FXF_READ
);
1375 if (!scp_sftp_filehandle
) {
1376 tell_user(stderr
, "pscp: unable to open %s: %s",
1377 scp_sftp_currentname
, fxp_error());
1381 scp_sftp_fileoffset
= uint64_make(0, 0);
1382 sfree(scp_sftp_currentname
);
1386 return 0; /* can't fail */
1390 int scp_recv_filedata(char *data
, int len
)
1393 int actuallen
= fxp_read(scp_sftp_filehandle
, data
,
1394 scp_sftp_fileoffset
, len
);
1395 if (actuallen
== -1 && fxp_error_type() != SSH_FX_EOF
) {
1396 tell_user(stderr
, "pscp: error while reading: %s", fxp_error());
1403 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, actuallen
);
1407 return ssh_scp_recv(data
, len
);
1411 int scp_finish_filerecv(void)
1414 fxp_close(scp_sftp_filehandle
);
1422 /* ----------------------------------------------------------------------
1423 * Send an error message to the other side and to the screen.
1424 * Increment error counter.
1426 static void run_err(const char *fmt
, ...)
1432 strcpy(str
, "scp: ");
1433 vsprintf(str
+ strlen(str
), fmt
, ap
);
1435 scp_send_errmsg(str
);
1436 tell_user(stderr
, "%s", str
);
1441 * Execute the source part of the SCP protocol.
1443 static void source(char *src
)
1450 unsigned long stat_bytes
;
1451 time_t stat_starttime
, stat_lasttime
;
1453 attr
= GetFileAttributes(src
);
1454 if (attr
== (DWORD
) - 1) {
1455 run_err("%s: No such file or directory", src
);
1459 if ((attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0) {
1462 * Avoid . and .. directories.
1465 p
= strrchr(src
, '/');
1467 p
= strrchr(src
, '\\');
1472 if (!strcmp(p
, ".") || !strcmp(p
, ".."))
1473 /* skip . and .. */ ;
1477 run_err("%s: not a regular file", src
);
1482 if ((last
= strrchr(src
, '/')) == NULL
)
1486 if (strrchr(last
, '\\') != NULL
)
1487 last
= strrchr(last
, '\\') + 1;
1488 if (last
== src
&& strchr(src
, ':') != NULL
)
1489 last
= strchr(src
, ':') + 1;
1491 f
= CreateFile(src
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
1492 OPEN_EXISTING
, 0, 0);
1493 if (f
== INVALID_HANDLE_VALUE
) {
1494 run_err("%s: Cannot open file", src
);
1499 FILETIME actime
, wrtime
;
1500 unsigned long mtime
, atime
;
1501 GetFileTime(f
, NULL
, &actime
, &wrtime
);
1502 TIME_WIN_TO_POSIX(actime
, atime
);
1503 TIME_WIN_TO_POSIX(wrtime
, mtime
);
1504 if (scp_send_filetimes(mtime
, atime
))
1508 size
= GetFileSize(f
, NULL
);
1510 tell_user(stderr
, "Sending file %s, size=%lu", last
, size
);
1511 if (scp_send_filename(last
, size
, 0644))
1515 stat_starttime
= time(NULL
);
1518 for (i
= 0; i
< size
; i
+= 4096) {
1519 char transbuf
[4096];
1524 if (!ReadFile(f
, transbuf
, k
, &j
, NULL
) || j
!= k
) {
1527 bump("%s: Read error", src
);
1529 if (scp_send_filedata(transbuf
, k
))
1530 bump("%s: Network error occurred", src
);
1534 if (time(NULL
) != stat_lasttime
|| i
+ k
== size
) {
1535 stat_lasttime
= time(NULL
);
1536 print_stats(last
, size
, stat_bytes
,
1537 stat_starttime
, stat_lasttime
);
1544 (void) scp_send_finish();
1548 * Recursively send the contents of a directory.
1550 static void rsource(char *src
)
1552 char *last
, *findfile
;
1555 WIN32_FIND_DATA fdat
;
1558 if ((last
= strrchr(src
, '/')) == NULL
)
1562 if (strrchr(last
, '\\') != NULL
)
1563 last
= strrchr(last
, '\\') + 1;
1564 if (last
== src
&& strchr(src
, ':') != NULL
)
1565 last
= strchr(src
, ':') + 1;
1567 /* maybe send filetime */
1569 save_target
= scp_save_remotepath();
1572 tell_user(stderr
, "Entering directory: %s", last
);
1573 if (scp_send_dirname(last
, 0755))
1576 findfile
= dupcat(src
, "/*", NULL
);
1577 dir
= FindFirstFile(findfile
, &fdat
);
1578 ok
= (dir
!= INVALID_HANDLE_VALUE
);
1580 if (strcmp(fdat
.cFileName
, ".") == 0 ||
1581 strcmp(fdat
.cFileName
, "..") == 0) {
1582 /* ignore . and .. */
1584 char *foundfile
= dupcat(src
, "/", fdat
.cFileName
, NULL
);
1588 ok
= FindNextFile(dir
, &fdat
);
1593 (void) scp_send_enddir();
1595 scp_restore_remotepath(save_target
);
1599 * Execute the sink part of the SCP protocol.
1601 static void sink(char *targ
, char *src
)
1608 unsigned long received
;
1610 unsigned long stat_bytes
;
1611 time_t stat_starttime
, stat_lasttime
;
1614 attr
= GetFileAttributes(targ
);
1615 if (attr
!= (DWORD
) - 1 && (attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0)
1618 if (targetshouldbedirectory
&& !targisdir
)
1619 bump("%s: Not a directory", targ
);
1623 struct scp_sink_action act
;
1624 if (scp_get_sink_action(&act
))
1627 if (act
.action
== SCP_SINK_ENDDIR
)
1630 if (act
.action
== SCP_SINK_RETRY
)
1635 * Prevent the remote side from maliciously writing to
1636 * files outside the target area by sending a filename
1637 * containing `../'. In fact, it shouldn't be sending
1638 * filenames with any slashes or colons in at all; so
1639 * we'll find the last slash, backslash or colon in the
1640 * filename and use only the part after that. (And
1643 * In addition, we also ensure here that if we're
1644 * copying a single file and the target is a directory
1645 * (common usage: `pscp host:filename .') the remote
1646 * can't send us a _different_ file name. We can
1647 * distinguish this case because `src' will be non-NULL
1648 * and the last component of that will fail to match
1649 * (the last component of) the name sent.
1651 * Well, not always; if `src' is a wildcard, we do
1652 * expect to get back filenames that don't correspond
1653 * exactly to it. Ideally in this case, we would like
1654 * to ensure that the returned filename actually
1655 * matches the wildcard pattern - but one of SCP's
1656 * protocol infelicities is that wildcard matching is
1657 * done at the server end _by the server's rules_ and
1658 * so in general this is infeasible. Hence, we only
1659 * accept filenames that don't correspond to `src' if
1660 * unsafe mode is enabled or we are using SFTP (which
1661 * resolves remote wildcards on the client side and can
1664 char *striptarget
, *stripsrc
;
1666 striptarget
= stripslashes(act
.name
, 1);
1667 if (striptarget
!= act
.name
) {
1668 tell_user(stderr
, "warning: remote host sent a compound"
1669 " pathname '%s'", act
.name
);
1670 tell_user(stderr
, " renaming local file to '%s'",
1675 * Also check to see if the target filename is '.' or
1676 * '..', or indeed '...' and so on because Windows
1677 * appears to interpret those like '..'.
1679 if (is_dots(striptarget
)) {
1680 bump("security violation: remote host attempted to write to"
1681 " a '.' or '..' path!");
1685 stripsrc
= stripslashes(src
, 1);
1686 if (strcmp(striptarget
, stripsrc
) &&
1687 !using_sftp
&& !scp_unsafe_mode
) {
1688 tell_user(stderr
, "warning: remote host tried to write "
1689 "to a file called '%s'", striptarget
);
1690 tell_user(stderr
, " when we requested a file "
1691 "called '%s'.", stripsrc
);
1692 tell_user(stderr
, " If this is a wildcard, "
1693 "consider upgrading to SSH 2 or using");
1694 tell_user(stderr
, " the '-unsafe' option. Renaming"
1695 " of this file has been disallowed.");
1696 /* Override the name the server provided with our own. */
1697 striptarget
= stripsrc
;
1701 if (targ
[0] != '\0')
1702 destfname
= dupcat(targ
, "\\", striptarget
, NULL
);
1704 destfname
= dupstr(striptarget
);
1707 * In this branch of the if, the target area is a
1708 * single file with an explicitly specified name in any
1709 * case, so there's no danger.
1711 destfname
= dupstr(targ
);
1713 attr
= GetFileAttributes(destfname
);
1714 exists
= (attr
!= (DWORD
) - 1);
1716 if (act
.action
== SCP_SINK_DIR
) {
1717 if (exists
&& (attr
& FILE_ATTRIBUTE_DIRECTORY
) == 0) {
1718 run_err("%s: Not a directory", destfname
);
1722 if (!CreateDirectory(destfname
, NULL
)) {
1723 run_err("%s: Cannot create directory", destfname
);
1727 sink(destfname
, NULL
);
1728 /* can we set the timestamp for directories ? */
1732 f
= CreateFile(destfname
, GENERIC_WRITE
, 0, NULL
,
1733 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
1734 if (f
== INVALID_HANDLE_VALUE
) {
1735 run_err("%s: Cannot create file", destfname
);
1739 if (scp_accept_filexfer())
1743 stat_starttime
= time(NULL
);
1745 stat_name
= stripslashes(destfname
, 1);
1748 while (received
< act
.size
) {
1749 char transbuf
[4096];
1750 DWORD blksize
, read
, written
;
1752 if (blksize
> act
.size
- received
)
1753 blksize
= act
.size
- received
;
1754 read
= scp_recv_filedata(transbuf
, blksize
);
1756 bump("Lost connection");
1759 if (!WriteFile(f
, transbuf
, read
, &written
, NULL
) ||
1762 /* FIXME: in sftp we can actually abort the transfer */
1764 printf("\r%-25.25s | %50s\n",
1766 "Write error.. waiting for end of file");
1771 if (time(NULL
) > stat_lasttime
||
1772 received
+ read
== act
.size
) {
1773 stat_lasttime
= time(NULL
);
1774 print_stats(stat_name
, act
.size
, stat_bytes
,
1775 stat_starttime
, stat_lasttime
);
1781 FILETIME actime
, wrtime
;
1782 TIME_POSIX_TO_WIN(act
.atime
, actime
);
1783 TIME_POSIX_TO_WIN(act
.mtime
, wrtime
);
1784 SetFileTime(f
, NULL
, &actime
, &wrtime
);
1789 run_err("%s: Write error", destfname
);
1792 (void) scp_finish_filerecv();
1799 * We will copy local files to a remote server.
1801 static void toremote(int argc
, char *argv
[])
1803 char *src
, *targ
, *host
, *user
;
1807 targ
= argv
[argc
- 1];
1809 /* Separate host from filename */
1813 bump("targ == NULL in toremote()");
1817 /* Substitute "." for emtpy target */
1819 /* Separate host and username */
1821 host
= strrchr(host
, '@');
1832 /* Find out if the source filespec covers multiple files
1833 if so, we should set the targetshouldbedirectory flag */
1835 WIN32_FIND_DATA fdat
;
1836 if (colon(argv
[0]) != NULL
)
1837 bump("%s: Remote to remote not supported", argv
[0]);
1838 fh
= FindFirstFile(argv
[0], &fdat
);
1839 if (fh
== INVALID_HANDLE_VALUE
)
1840 bump("%s: No such file or directory\n", argv
[0]);
1841 if (FindNextFile(fh
, &fdat
))
1842 targetshouldbedirectory
= 1;
1846 cmd
= smalloc(strlen(targ
) + 100);
1847 sprintf(cmd
, "scp%s%s%s%s -t %s",
1848 verbose ?
" -v" : "",
1849 recursive ?
" -r" : "",
1850 preserve ?
" -p" : "",
1851 targetshouldbedirectory ?
" -d" : "", targ
);
1852 do_cmd(host
, user
, cmd
);
1855 scp_source_setup(targ
, targetshouldbedirectory
);
1857 for (i
= 0; i
< argc
- 1; i
++) {
1858 char *srcpath
, *last
;
1860 WIN32_FIND_DATA fdat
;
1862 if (colon(src
) != NULL
) {
1863 tell_user(stderr
, "%s: Remote to remote not supported\n", src
);
1869 * Trim off the last pathname component of `src', to
1870 * provide the base pathname which will be prepended to
1871 * filenames returned from Find{First,Next}File.
1873 srcpath
= dupstr(src
);
1874 last
= stripslashes(srcpath
, 1);
1877 dir
= FindFirstFile(src
, &fdat
);
1878 if (dir
== INVALID_HANDLE_VALUE
) {
1879 run_err("%s: No such file or directory", src
);
1885 * Ensure that . and .. are never matched by wildcards,
1886 * but only by deliberate action.
1888 if (!strcmp(fdat
.cFileName
, ".") ||
1889 !strcmp(fdat
.cFileName
, "..")) {
1891 * Find*File has returned a special dir. We require
1892 * that _either_ `src' ends in a backslash followed
1893 * by that string, _or_ `src' is precisely that
1896 int len
= strlen(src
), dlen
= strlen(fdat
.cFileName
);
1897 if (len
== dlen
&& !strcmp(src
, fdat
.cFileName
)) {
1899 } else if (len
> dlen
+ 1 && src
[len
- dlen
- 1] == '\\' &&
1900 !strcmp(src
+ len
- dlen
, fdat
.cFileName
)) {
1903 continue; /* ignore this one */
1905 filename
= dupcat(srcpath
, fdat
.cFileName
, NULL
);
1908 } while (FindNextFile(dir
, &fdat
));
1915 * We will copy files from a remote server to the local machine.
1917 static void tolocal(int argc
, char *argv
[])
1919 char *src
, *targ
, *host
, *user
;
1923 bump("More than one remote source not supported");
1928 /* Separate host from filename */
1932 bump("Local to local copy not supported");
1936 /* Substitute "." for empty filename */
1938 /* Separate username and hostname */
1940 host
= strrchr(host
, '@');
1950 cmd
= smalloc(strlen(src
) + 100);
1951 sprintf(cmd
, "scp%s%s%s%s -f %s",
1952 verbose ?
" -v" : "",
1953 recursive ?
" -r" : "",
1954 preserve ?
" -p" : "",
1955 targetshouldbedirectory ?
" -d" : "", src
);
1956 do_cmd(host
, user
, cmd
);
1959 if (scp_sink_setup(src
, preserve
, recursive
))
1966 * We will issue a list command to get a remote directory.
1968 static void get_dir_list(int argc
, char *argv
[])
1970 char *src
, *host
, *user
;
1976 /* Separate host from filename */
1980 bump("Local to local copy not supported");
1984 /* Substitute "." for empty filename */
1986 /* Separate username and hostname */
1988 host
= strrchr(host
, '@');
1998 cmd
= smalloc(4 * strlen(src
) + 100);
1999 strcpy(cmd
, "ls -la '");
2000 p
= cmd
+ strlen(cmd
);
2001 for (q
= src
; *q
; q
++) {
2014 do_cmd(host
, user
, cmd
);
2018 scp_sftp_listdir(src
);
2020 while (ssh_scp_recv(&c
, 1) > 0)
2021 tell_char(stdout
, c
);
2026 * Initialize the Win$ock driver.
2028 static void init_winsock(void)
2033 winsock_ver
= MAKEWORD(1, 1);
2034 if (WSAStartup(winsock_ver
, &wsadata
))
2035 bump("Unable to initialise WinSock");
2036 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1)
2037 bump("WinSock version is incompatible with 1.1");
2041 * Short description of parameters.
2043 static void usage(void)
2045 printf("PuTTY Secure Copy client\n");
2046 printf("%s\n", ver
);
2047 printf("Usage: pscp [options] [user@]host:source target\n");
2049 (" pscp [options] source [source...] [user@]host:target\n");
2050 printf(" pscp [options] -ls user@host:filespec\n");
2051 printf("Options:\n");
2052 printf(" -p preserve file attributes\n");
2053 printf(" -q quiet, don't show statistics\n");
2054 printf(" -r copy directories recursively\n");
2055 printf(" -v show verbose messages\n");
2056 printf(" -P port connect to specified port\n");
2057 printf(" -pw passw login with specified password\n");
2058 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2061 * -gui is an internal option, used by GUI front ends to get
2062 * pscp to pass progress reports back to them. It's not an
2063 * ordinary user-accessible option, so it shouldn't be part of
2064 * the command-line help. The only people who need to know
2065 * about it are programmers, and they can read the source.
2068 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2074 * Main program (no, really?)
2076 int main(int argc
, char *argv
[])
2080 default_protocol
= PROT_TELNET
;
2082 flags
= FLAG_STDERR
;
2083 ssh_get_line
= &console_get_line
;
2087 for (i
= 1; i
< argc
; i
++) {
2088 if (argv
[i
][0] != '-')
2090 if (strcmp(argv
[i
], "-v") == 0)
2091 verbose
= 1, flags
|= FLAG_VERBOSE
;
2092 else if (strcmp(argv
[i
], "-r") == 0)
2094 else if (strcmp(argv
[i
], "-p") == 0)
2096 else if (strcmp(argv
[i
], "-q") == 0)
2098 else if (strcmp(argv
[i
], "-batch") == 0)
2099 console_batch_mode
= 1;
2100 else if (strcmp(argv
[i
], "-h") == 0 || strcmp(argv
[i
], "-?") == 0)
2102 else if (strcmp(argv
[i
], "-P") == 0 && i
+ 1 < argc
)
2103 portnumber
= atoi(argv
[++i
]);
2104 else if (strcmp(argv
[i
], "-pw") == 0 && i
+ 1 < argc
)
2105 console_password
= argv
[++i
];
2106 else if (strcmp(argv
[i
], "-gui") == 0 && i
+ 1 < argc
) {
2107 gui_hwnd
= argv
[++i
];
2109 console_batch_mode
= TRUE
;
2110 } else if (strcmp(argv
[i
], "-ls") == 0)
2112 else if (strcmp(argv
[i
], "-unsafe") == 0)
2113 scp_unsafe_mode
= 1;
2114 else if (strcmp(argv
[i
], "--") == 0) {
2127 get_dir_list(argc
, argv
);
2134 targetshouldbedirectory
= 1;
2136 if (colon(argv
[argc
- 1]) != NULL
)
2137 toremote(argc
, argv
);
2139 tolocal(argc
, argv
);
2142 if (back
!= NULL
&& back
->socket() != NULL
) {
2144 back
->special(TS_EOF
);
2145 ssh_scp_recv(&ch
, 1);
2150 /* GUI Adaptation - August 2000 */
2152 unsigned int msg_id
= WM_RET_ERR_CNT
;
2154 msg_id
= WM_LS_RET_ERR_CNT
;
2156 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
2157 0 /*lParam */ ))SleepEx(1000, TRUE
);
2159 return (errs
== 0 ?
0 : 1);