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
;
272 * stderr data is just spouted to local stderr and otherwise
276 fwrite(data
, 1, len
, stderr
);
281 * If this is before the real session begins, just return.
287 unsigned used
= outlen
;
290 memcpy(outptr
, p
, used
);
298 if (pendsize
< pendlen
+ len
) {
299 pendsize
= pendlen
+ len
+ 4096;
300 pending
= (pending ?
srealloc(pending
, pendsize
) :
303 fatalbox("Out of memory");
305 memcpy(pending
+ pendlen
, p
, len
);
311 static int scp_process_network_event(void)
316 FD_SET(scp_ssh_socket
, &readfds
);
317 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
319 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
322 static int ssh_scp_recv(unsigned char *buf
, int len
)
328 * See if the pending-input block contains some of what we
332 unsigned pendused
= pendlen
;
333 if (pendused
> outlen
)
335 memcpy(outptr
, pending
, pendused
);
336 memmove(pending
, pending
+ pendused
, pendlen
- pendused
);
350 if (!scp_process_network_event())
358 * Loop through the ssh connection and authentication process.
360 static void ssh_scp_init(void)
362 if (scp_ssh_socket
== INVALID_SOCKET
)
364 while (!back
->sendok()) {
367 FD_SET(scp_ssh_socket
, &readfds
);
368 if (select(1, &readfds
, NULL
, NULL
, NULL
) < 0)
370 select_result((WPARAM
) scp_ssh_socket
, (LPARAM
) FD_READ
);
372 using_sftp
= !ssh_fallback_cmd
;
376 * Print an error message and exit after closing the SSH link.
378 static void bump(char *fmt
, ...)
380 char str
[0x100]; /* Make the size big enough */
383 strcpy(str
, "Fatal: ");
384 vsprintf(str
+ strlen(str
), fmt
, ap
);
387 tell_str(stderr
, str
);
390 if (back
!= NULL
&& back
->socket() != NULL
) {
392 back
->special(TS_EOF
);
393 ssh_scp_recv(&ch
, 1);
397 unsigned int msg_id
= WM_RET_ERR_CNT
;
399 msg_id
= WM_LS_RET_ERR_CNT
;
401 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
402 0 /*lParam */ ))SleepEx(1000, TRUE
);
409 * Open an SSH connection to user@host and execute cmd.
411 static void do_cmd(char *host
, char *user
, char *cmd
)
413 char *err
, *realhost
;
416 if (host
== NULL
|| host
[0] == '\0')
417 bump("Empty host name");
419 /* Try to load settings for this host */
420 do_defaults(host
, &cfg
);
421 if (cfg
.host
[0] == '\0') {
422 /* No settings for this host; use defaults */
423 do_defaults(NULL
, &cfg
);
424 strncpy(cfg
.host
, host
, sizeof(cfg
.host
) - 1);
425 cfg
.host
[sizeof(cfg
.host
) - 1] = '\0';
430 * Trim leading whitespace off the hostname if it's there.
433 int space
= strspn(cfg
.host
, " \t");
434 memmove(cfg
.host
, cfg
.host
+space
, 1+strlen(cfg
.host
)-space
);
437 /* See if host is of the form user@host */
438 if (cfg
.host
[0] != '\0') {
439 char *atsign
= strchr(cfg
.host
, '@');
440 /* Make sure we're not overflowing the user field */
442 if (atsign
- cfg
.host
< sizeof cfg
.username
) {
443 strncpy(cfg
.username
, cfg
.host
, atsign
- cfg
.host
);
444 cfg
.username
[atsign
- cfg
.host
] = '\0';
446 memmove(cfg
.host
, atsign
+ 1, 1 + strlen(atsign
+ 1));
451 * Trim a colon suffix off the hostname if it's there.
453 cfg
.host
[strcspn(cfg
.host
, ":")] = '\0';
456 if (user
!= NULL
&& user
[0] != '\0') {
457 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
458 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
459 } else if (cfg
.username
[0] == '\0') {
461 if (GetUserName(user
, &namelen
) == FALSE
)
462 bump("Empty user name");
463 user
= smalloc(namelen
* sizeof(char));
464 GetUserName(user
, &namelen
);
466 tell_user(stderr
, "Guessing user name: %s", user
);
467 strncpy(cfg
.username
, user
, sizeof(cfg
.username
) - 1);
468 cfg
.username
[sizeof(cfg
.username
) - 1] = '\0';
472 if (cfg
.protocol
!= PROT_SSH
)
476 cfg
.port
= portnumber
;
479 * Disable scary things which shouldn't be enabled for simple
480 * things like SCP and SFTP: agent forwarding, port forwarding,
485 cfg
.portfwd
[0] = cfg
.portfwd
[1] = '\0';
488 * Attempt to start the SFTP subsystem as a first choice,
489 * falling back to the provided scp command if that fails.
491 strcpy(cfg
.remote_cmd
, "sftp");
492 cfg
.ssh_subsys
= TRUE
;
493 cfg
.remote_cmd_ptr2
= cmd
;
494 cfg
.ssh_subsys2
= FALSE
;
499 err
= back
->init(cfg
.host
, cfg
.port
, &realhost
, 0);
501 bump("ssh_init: %s", err
);
503 if (verbose
&& realhost
!= NULL
)
504 tell_user(stderr
, "Connected to %s\n", realhost
);
509 * Update statistic information about current file.
511 static void print_stats(char *name
, unsigned long size
, unsigned long done
,
512 time_t start
, time_t now
)
521 elap
= (unsigned long) difftime(now
, start
);
524 ratebs
= (float) done
/ elap
;
526 ratebs
= (float) done
;
531 eta
= (unsigned long) ((size
- done
) / ratebs
);
532 sprintf(etastr
, "%02ld:%02ld:%02ld",
533 eta
/ 3600, (eta
% 3600) / 60, eta
% 60);
535 pct
= (int) (100 * (done
* 1.0 / size
));
538 /* GUI Adaptation - Sept 2000 */
539 gui_update_stats(name
, size
, pct
, elap
, done
, eta
,
540 (unsigned long) ratebs
);
542 len
= printf("\r%-25.25s | %10ld kB | %5.1f kB/s | ETA: %8s | %3d%%",
543 name
, done
/ 1024, ratebs
/ 1024.0, etastr
, pct
);
544 if (len
< prev_stats_len
)
545 printf("%*s", prev_stats_len
- len
, "");
546 prev_stats_len
= len
;
554 * Find a colon in str and return a pointer to the colon.
555 * This is used to separate hostname from filename.
557 static char *colon(char *str
)
559 /* We ignore a leading colon, since the hostname cannot be
560 empty. We also ignore a colon as second character because
561 of filenames like f:myfile.txt. */
562 if (str
[0] == '\0' || str
[0] == ':' || str
[1] == ':')
564 while (*str
!= '\0' && *str
!= ':' && *str
!= '/' && *str
!= '\\')
573 * Return a pointer to the portion of str that comes after the last
574 * slash (or backslash or colon, if `local' is TRUE).
576 static char *stripslashes(char *str
, int local
)
581 p
= strchr(str
, ':');
585 p
= strrchr(str
, '/');
589 p
= strrchr(str
, '\\');
597 * Determine whether a string is entirely composed of dots.
599 static int is_dots(char *str
)
601 return str
[strspn(str
, ".")] == '\0';
605 * Wait for a response from the other side.
606 * Return 0 if ok, -1 if error.
608 static int response(void)
610 char ch
, resp
, rbuf
[2048];
613 if (ssh_scp_recv(&resp
, 1) <= 0)
614 bump("Lost connection");
624 case 2: /* fatal error */
626 if (ssh_scp_recv(&ch
, 1) <= 0)
627 bump("Protocol error: Lost connection");
629 } while (p
< sizeof(rbuf
) && ch
!= '\n');
632 tell_user(stderr
, "%s\n", rbuf
);
640 int sftp_recvdata(char *buf
, int len
)
642 return ssh_scp_recv(buf
, len
);
644 int sftp_senddata(char *buf
, int len
)
646 back
->send((unsigned char *) buf
, len
);
650 /* ----------------------------------------------------------------------
651 * sftp-based replacement for the hacky `pscp -ls'.
653 static int sftp_ls_compare(const void *av
, const void *bv
)
655 const struct fxp_name
*a
= (const struct fxp_name
*) av
;
656 const struct fxp_name
*b
= (const struct fxp_name
*) bv
;
657 return strcmp(a
->filename
, b
->filename
);
659 void scp_sftp_listdir(char *dirname
)
661 struct fxp_handle
*dirh
;
662 struct fxp_names
*names
;
663 struct fxp_name
*ournames
;
664 int nnames
, namesize
;
667 printf("Listing directory %s\n", dirname
);
669 dirh
= fxp_opendir(dirname
);
671 printf("Unable to open %s: %s\n", dirname
, fxp_error());
673 nnames
= namesize
= 0;
678 names
= fxp_readdir(dirh
);
680 if (fxp_error_type() == SSH_FX_EOF
)
682 printf("Reading directory %s: %s\n", dirname
, fxp_error());
685 if (names
->nnames
== 0) {
686 fxp_free_names(names
);
690 if (nnames
+ names
->nnames
>= namesize
) {
691 namesize
+= names
->nnames
+ 128;
693 srealloc(ournames
, namesize
* sizeof(*ournames
));
696 for (i
= 0; i
< names
->nnames
; i
++)
697 ournames
[nnames
++] = names
->names
[i
];
699 names
->nnames
= 0; /* prevent free_names */
700 fxp_free_names(names
);
705 * Now we have our filenames. Sort them by actual file
706 * name, and then output the longname parts.
708 qsort(ournames
, nnames
, sizeof(*ournames
), sftp_ls_compare
);
713 for (i
= 0; i
< nnames
; i
++)
714 printf("%s\n", ournames
[i
].longname
);
718 /* ----------------------------------------------------------------------
719 * Helper routines that contain the actual SCP protocol elements,
720 * implemented both as SCP1 and SFTP.
723 static struct scp_sftp_dirstack
{
724 struct scp_sftp_dirstack
*next
;
725 struct fxp_name
*names
;
726 int namepos
, namelen
;
729 int matched_something
; /* wildcard match set was non-empty */
730 } *scp_sftp_dirstack_head
;
731 static char *scp_sftp_remotepath
, *scp_sftp_currentname
;
732 static char *scp_sftp_wildcard
;
733 static int scp_sftp_targetisdir
, scp_sftp_donethistarget
;
734 static int scp_sftp_preserve
, scp_sftp_recursive
;
735 static unsigned long scp_sftp_mtime
, scp_sftp_atime
;
736 static int scp_has_times
;
737 static struct fxp_handle
*scp_sftp_filehandle
;
738 static uint64 scp_sftp_fileoffset
;
740 void scp_source_setup(char *target
, int shouldbedir
)
744 * Find out whether the target filespec is in fact a
747 struct fxp_attrs attrs
;
749 if (!fxp_stat(target
, &attrs
) ||
750 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
))
751 scp_sftp_targetisdir
= 0;
753 scp_sftp_targetisdir
= (attrs
.permissions
& 0040000) != 0;
755 if (shouldbedir
&& !scp_sftp_targetisdir
) {
756 bump("pscp: remote filespec %s: not a directory\n", target
);
759 scp_sftp_remotepath
= dupstr(target
);
767 int scp_send_errmsg(char *str
)
770 /* do nothing; we never need to send our errors to the server */
772 back
->send("\001", 1); /* scp protocol error prefix */
773 back
->send(str
, strlen(str
));
775 return 0; /* can't fail */
778 int scp_send_filetimes(unsigned long mtime
, unsigned long atime
)
781 scp_sftp_mtime
= mtime
;
782 scp_sftp_atime
= atime
;
787 sprintf(buf
, "T%lu 0 %lu 0\n", mtime
, atime
);
788 back
->send(buf
, strlen(buf
));
793 int scp_send_filename(char *name
, unsigned long size
, int modes
)
797 if (scp_sftp_targetisdir
) {
798 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
800 fullname
= dupstr(scp_sftp_remotepath
);
802 scp_sftp_filehandle
=
803 fxp_open(fullname
, SSH_FXF_WRITE
| SSH_FXF_CREAT
| SSH_FXF_TRUNC
);
804 if (!scp_sftp_filehandle
) {
805 tell_user(stderr
, "pscp: unable to open %s: %s",
806 fullname
, fxp_error());
810 scp_sftp_fileoffset
= uint64_make(0, 0);
815 sprintf(buf
, "C%04o %lu ", modes
, size
);
816 back
->send(buf
, strlen(buf
));
817 back
->send(name
, strlen(name
));
823 int scp_send_filedata(char *data
, int len
)
826 if (!scp_sftp_filehandle
) {
829 if (!fxp_write(scp_sftp_filehandle
, data
, scp_sftp_fileoffset
, len
)) {
830 tell_user(stderr
, "error while writing: %s\n", fxp_error());
834 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, len
);
837 int bufsize
= back
->send(data
, len
);
840 * If the network transfer is backing up - that is, the
841 * remote site is not accepting data as fast as we can
842 * produce it - then we must loop on network events until
843 * we have space in the buffer again.
845 while (bufsize
> MAX_SCP_BUFSIZE
) {
846 if (!scp_process_network_event())
848 bufsize
= back
->sendbuffer();
855 int scp_send_finish(void)
858 struct fxp_attrs attrs
;
859 if (!scp_sftp_filehandle
) {
863 attrs
.flags
= SSH_FILEXFER_ATTR_ACMODTIME
;
864 attrs
.atime
= scp_sftp_atime
;
865 attrs
.mtime
= scp_sftp_mtime
;
866 if (!fxp_fsetstat(scp_sftp_filehandle
, attrs
)) {
867 tell_user(stderr
, "unable to set file times: %s\n", fxp_error());
871 fxp_close(scp_sftp_filehandle
);
880 char *scp_save_remotepath(void)
883 return scp_sftp_remotepath
;
888 void scp_restore_remotepath(char *data
)
891 scp_sftp_remotepath
= data
;
894 int scp_send_dirname(char *name
, int modes
)
899 struct fxp_attrs attrs
;
900 if (scp_sftp_targetisdir
) {
901 fullname
= dupcat(scp_sftp_remotepath
, "/", name
, NULL
);
903 fullname
= dupstr(scp_sftp_remotepath
);
907 * We don't worry about whether we managed to create the
908 * directory, because if it exists already it's OK just to
909 * use it. Instead, we will stat it afterwards, and if it
910 * exists and is a directory we will assume we were either
911 * successful or it didn't matter.
913 if (!fxp_mkdir(fullname
))
916 err
= "server reported no error";
917 if (!fxp_stat(fullname
, &attrs
) ||
918 !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
) ||
919 !(attrs
.permissions
& 0040000)) {
920 tell_user(stderr
, "unable to create directory %s: %s",
926 scp_sftp_remotepath
= fullname
;
931 sprintf(buf
, "D%04o 0 ", modes
);
932 back
->send(buf
, strlen(buf
));
933 back
->send(name
, strlen(name
));
939 int scp_send_enddir(void)
942 sfree(scp_sftp_remotepath
);
945 back
->send("E\n", 2);
951 * Yes, I know; I have an scp_sink_setup _and_ an scp_sink_init.
952 * That's bad. The difference is that scp_sink_setup is called once
953 * right at the start, whereas scp_sink_init is called to
954 * initialise every level of recursion in the protocol.
956 int scp_sink_setup(char *source
, int preserve
, int recursive
)
961 * It's possible that the source string we've been given
962 * contains a wildcard. If so, we must split the directory
963 * away from the wildcard itself (throwing an error if any
964 * wildcardness comes before the final slash) and arrange
965 * things so that a dirstack entry will be set up.
967 newsource
= smalloc(1+strlen(source
));
968 if (!wc_unescape(newsource
, source
)) {
969 /* Yes, here we go; it's a wildcard. Bah. */
970 char *dupsource
, *lastpart
, *dirpart
, *wildcard
;
971 dupsource
= dupstr(source
);
972 lastpart
= stripslashes(dupsource
, 0);
973 wildcard
= dupstr(lastpart
);
975 if (*dupsource
&& dupsource
[1]) {
977 * The remains of dupsource are at least two
978 * characters long, meaning the pathname wasn't
979 * empty or just `/'. Hence, we remove the trailing
983 } else if (!*dupsource
) {
985 * The remains of dupsource are _empty_ - the whole
986 * pathname was a wildcard. Hence we need to
987 * replace it with ".".
990 dupsource
= dupstr(".");
994 * Now we have separated our string into dupsource (the
995 * directory part) and wildcard. Both of these will
996 * need freeing at some point. Next step is to remove
997 * wildcard escapes from the directory part, throwing
998 * an error if it contains a real wildcard.
1000 dirpart
= smalloc(1+strlen(dupsource
));
1001 if (!wc_unescape(dirpart
, dupsource
)) {
1002 tell_user(stderr
, "%s: multiple-level wildcards unsupported",
1012 * Now we have dirpart (unescaped, ie a valid remote
1013 * path), and wildcard (a wildcard). This will be
1014 * sufficient to arrange a dirstack entry.
1016 scp_sftp_remotepath
= dirpart
;
1017 scp_sftp_wildcard
= wildcard
;
1020 scp_sftp_remotepath
= newsource
;
1021 scp_sftp_wildcard
= NULL
;
1023 scp_sftp_preserve
= preserve
;
1024 scp_sftp_recursive
= recursive
;
1025 scp_sftp_donethistarget
= 0;
1026 scp_sftp_dirstack_head
= NULL
;
1031 int scp_sink_init(void)
1039 #define SCP_SINK_FILE 1
1040 #define SCP_SINK_DIR 2
1041 #define SCP_SINK_ENDDIR 3
1042 #define SCP_SINK_RETRY 4 /* not an action; just try again */
1043 struct scp_sink_action
{
1044 int action
; /* FILE, DIR, ENDDIR */
1045 char *buf
; /* will need freeing after use */
1046 char *name
; /* filename or dirname (not ENDDIR) */
1047 int mode
; /* access mode (not ENDDIR) */
1048 unsigned long size
; /* file size (not ENDDIR) */
1049 int settime
; /* 1 if atime and mtime are filled */
1050 unsigned long atime
, mtime
; /* access times for the file */
1053 int scp_get_sink_action(struct scp_sink_action
*act
)
1057 int must_free_fname
;
1058 struct fxp_attrs attrs
;
1061 if (!scp_sftp_dirstack_head
) {
1062 if (!scp_sftp_donethistarget
) {
1064 * Simple case: we are only dealing with one file.
1066 fname
= scp_sftp_remotepath
;
1067 must_free_fname
= 0;
1068 scp_sftp_donethistarget
= 1;
1071 * Even simpler case: one file _which we've done_.
1072 * Return 1 (finished).
1078 * We're now in the middle of stepping through a list
1079 * of names returned from fxp_readdir(); so let's carry
1082 struct scp_sftp_dirstack
*head
= scp_sftp_dirstack_head
;
1083 while (head
->namepos
< head
->namelen
&&
1084 (is_dots(head
->names
[head
->namepos
].filename
) ||
1086 !wc_match(head
->wildcard
,
1087 head
->names
[head
->namepos
].filename
))))
1088 head
->namepos
++; /* skip . and .. */
1089 if (head
->namepos
< head
->namelen
) {
1090 head
->matched_something
= 1;
1091 fname
= dupcat(head
->dirpath
, "/",
1092 head
->names
[head
->namepos
++].filename
,
1094 must_free_fname
= 1;
1097 * We've come to the end of the list; pop it off
1098 * the stack and return an ENDDIR action (or RETRY
1099 * if this was a wildcard match).
1101 if (head
->wildcard
) {
1102 act
->action
= SCP_SINK_RETRY
;
1103 if (!head
->matched_something
) {
1104 tell_user(stderr
, "pscp: wildcard '%s' matched "
1105 "no files", head
->wildcard
);
1108 sfree(head
->wildcard
);
1111 act
->action
= SCP_SINK_ENDDIR
;
1114 sfree(head
->dirpath
);
1116 scp_sftp_dirstack_head
= head
->next
;
1124 * Now we have a filename. Stat it, and see if it's a file
1127 ret
= fxp_stat(fname
, &attrs
);
1128 if (!ret
|| !(attrs
.flags
& SSH_FILEXFER_ATTR_PERMISSIONS
)) {
1129 tell_user(stderr
, "unable to identify %s: %s", fname
,
1130 ret ?
"file type not supplied" : fxp_error());
1135 if (attrs
.permissions
& 0040000) {
1136 struct scp_sftp_dirstack
*newitem
;
1137 struct fxp_handle
*dirhandle
;
1138 int nnames
, namesize
;
1139 struct fxp_name
*ournames
;
1140 struct fxp_names
*names
;
1143 * It's a directory. If we're not in recursive mode,
1144 * this merits a complaint (which is fatal if the name
1145 * was specified directly, but not if it was matched by
1148 * We skip this complaint completely if
1149 * scp_sftp_wildcard is set, because that's an
1150 * indication that we're not actually supposed to
1151 * _recursively_ transfer the dir, just scan it for
1152 * things matching the wildcard.
1154 if (!scp_sftp_recursive
&& !scp_sftp_wildcard
) {
1155 tell_user(stderr
, "pscp: %s: is a directory", fname
);
1157 if (must_free_fname
) sfree(fname
);
1158 if (scp_sftp_dirstack_head
) {
1159 act
->action
= SCP_SINK_RETRY
;
1167 * Otherwise, the fun begins. We must fxp_opendir() the
1168 * directory, slurp the filenames into memory, return
1169 * SCP_SINK_DIR (unless this is a wildcard match), and
1170 * set targetisdir. The next time we're called, we will
1171 * run through the list of filenames one by one,
1172 * matching them against a wildcard if present.
1174 * If targetisdir is _already_ set (meaning we're
1175 * already in the middle of going through another such
1176 * list), we must push the other (target,namelist) pair
1179 dirhandle
= fxp_opendir(fname
);
1181 tell_user(stderr
, "scp: unable to open directory %s: %s",
1182 fname
, fxp_error());
1183 if (must_free_fname
) sfree(fname
);
1187 nnames
= namesize
= 0;
1192 names
= fxp_readdir(dirhandle
);
1193 if (names
== NULL
) {
1194 if (fxp_error_type() == SSH_FX_EOF
)
1196 tell_user(stderr
, "scp: reading directory %s: %s\n",
1197 fname
, fxp_error());
1198 if (must_free_fname
) sfree(fname
);
1203 if (names
->nnames
== 0) {
1204 fxp_free_names(names
);
1207 if (nnames
+ names
->nnames
>= namesize
) {
1208 namesize
+= names
->nnames
+ 128;
1210 srealloc(ournames
, namesize
* sizeof(*ournames
));
1212 for (i
= 0; i
< names
->nnames
; i
++)
1213 ournames
[nnames
++] = names
->names
[i
];
1214 names
->nnames
= 0; /* prevent free_names */
1215 fxp_free_names(names
);
1217 fxp_close(dirhandle
);
1219 newitem
= smalloc(sizeof(struct scp_sftp_dirstack
));
1220 newitem
->next
= scp_sftp_dirstack_head
;
1221 newitem
->names
= ournames
;
1222 newitem
->namepos
= 0;
1223 newitem
->namelen
= nnames
;
1224 if (must_free_fname
)
1225 newitem
->dirpath
= fname
;
1227 newitem
->dirpath
= dupstr(fname
);
1228 if (scp_sftp_wildcard
) {
1229 newitem
->wildcard
= scp_sftp_wildcard
;
1230 newitem
->matched_something
= 0;
1231 scp_sftp_wildcard
= NULL
;
1233 newitem
->wildcard
= NULL
;
1235 scp_sftp_dirstack_head
= newitem
;
1237 if (newitem
->wildcard
) {
1238 act
->action
= SCP_SINK_RETRY
;
1240 act
->action
= SCP_SINK_DIR
;
1241 act
->buf
= dupstr(stripslashes(fname
, 0));
1242 act
->name
= act
->buf
;
1243 act
->size
= 0; /* duhh, it's a directory */
1244 act
->mode
= 07777 & attrs
.permissions
;
1245 if (scp_sftp_preserve
&&
1246 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1247 act
->atime
= attrs
.atime
;
1248 act
->mtime
= attrs
.mtime
;
1257 * It's a file. Return SCP_SINK_FILE.
1259 act
->action
= SCP_SINK_FILE
;
1260 act
->buf
= dupstr(stripslashes(fname
, 0));
1261 act
->name
= act
->buf
;
1262 if (attrs
.flags
& SSH_FILEXFER_ATTR_SIZE
) {
1263 if (uint64_compare(attrs
.size
,
1264 uint64_make(0, ULONG_MAX
)) > 0) {
1265 act
->size
= ULONG_MAX
; /* *boggle* */
1267 act
->size
= attrs
.size
.lo
;
1269 act
->size
= ULONG_MAX
; /* no idea */
1270 act
->mode
= 07777 & attrs
.permissions
;
1271 if (scp_sftp_preserve
&&
1272 (attrs
.flags
& SSH_FILEXFER_ATTR_ACMODTIME
)) {
1273 act
->atime
= attrs
.atime
;
1274 act
->mtime
= attrs
.mtime
;
1278 if (must_free_fname
)
1279 scp_sftp_currentname
= fname
;
1281 scp_sftp_currentname
= dupstr(fname
);
1296 if (ssh_scp_recv(&ch
, 1) <= 0)
1299 bump("Protocol error: Unexpected newline");
1303 if (ssh_scp_recv(&ch
, 1) <= 0)
1304 bump("Lost connection");
1307 act
->buf
= srealloc(act
->buf
, bufsize
);
1310 } while (ch
!= '\n');
1311 act
->buf
[i
- 1] = '\0';
1313 case '\01': /* error */
1314 tell_user(stderr
, "%s\n", act
->buf
);
1316 continue; /* go round again */
1317 case '\02': /* fatal error */
1318 bump("%s", act
->buf
);
1321 act
->action
= SCP_SINK_ENDDIR
;
1324 if (sscanf(act
->buf
, "%ld %*d %ld %*d",
1325 &act
->mtime
, &act
->atime
) == 2) {
1328 continue; /* go round again */
1330 bump("Protocol error: Illegal time format");
1333 act
->action
= (action
== 'C' ? SCP_SINK_FILE
: SCP_SINK_DIR
);
1336 bump("Protocol error: Expected control record");
1339 * We will go round this loop only once, unless we hit
1346 * If we get here, we must have seen SCP_SINK_FILE or
1349 if (sscanf(act
->buf
, "%o %lu %n", &act
->mode
, &act
->size
, &i
) != 2)
1350 bump("Protocol error: Illegal file descriptor format");
1351 act
->name
= act
->buf
+ i
;
1356 int scp_accept_filexfer(void)
1359 scp_sftp_filehandle
=
1360 fxp_open(scp_sftp_currentname
, SSH_FXF_READ
);
1361 if (!scp_sftp_filehandle
) {
1362 tell_user(stderr
, "pscp: unable to open %s: %s",
1363 scp_sftp_currentname
, fxp_error());
1367 scp_sftp_fileoffset
= uint64_make(0, 0);
1368 sfree(scp_sftp_currentname
);
1372 return 0; /* can't fail */
1376 int scp_recv_filedata(char *data
, int len
)
1379 int actuallen
= fxp_read(scp_sftp_filehandle
, data
,
1380 scp_sftp_fileoffset
, len
);
1381 if (actuallen
== -1 && fxp_error_type() != SSH_FX_EOF
) {
1382 tell_user(stderr
, "pscp: error while reading: %s", fxp_error());
1389 scp_sftp_fileoffset
= uint64_add32(scp_sftp_fileoffset
, actuallen
);
1393 return ssh_scp_recv(data
, len
);
1397 int scp_finish_filerecv(void)
1400 fxp_close(scp_sftp_filehandle
);
1408 /* ----------------------------------------------------------------------
1409 * Send an error message to the other side and to the screen.
1410 * Increment error counter.
1412 static void run_err(const char *fmt
, ...)
1418 strcpy(str
, "scp: ");
1419 vsprintf(str
+ strlen(str
), fmt
, ap
);
1421 scp_send_errmsg(str
);
1422 tell_user(stderr
, "%s", str
);
1427 * Execute the source part of the SCP protocol.
1429 static void source(char *src
)
1436 unsigned long stat_bytes
;
1437 time_t stat_starttime
, stat_lasttime
;
1439 attr
= GetFileAttributes(src
);
1440 if (attr
== (DWORD
) - 1) {
1441 run_err("%s: No such file or directory", src
);
1445 if ((attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0) {
1448 * Avoid . and .. directories.
1451 p
= strrchr(src
, '/');
1453 p
= strrchr(src
, '\\');
1458 if (!strcmp(p
, ".") || !strcmp(p
, ".."))
1459 /* skip . and .. */ ;
1463 run_err("%s: not a regular file", src
);
1468 if ((last
= strrchr(src
, '/')) == NULL
)
1472 if (strrchr(last
, '\\') != NULL
)
1473 last
= strrchr(last
, '\\') + 1;
1474 if (last
== src
&& strchr(src
, ':') != NULL
)
1475 last
= strchr(src
, ':') + 1;
1477 f
= CreateFile(src
, GENERIC_READ
, FILE_SHARE_READ
, NULL
,
1478 OPEN_EXISTING
, 0, 0);
1479 if (f
== INVALID_HANDLE_VALUE
) {
1480 run_err("%s: Cannot open file", src
);
1485 FILETIME actime
, wrtime
;
1486 unsigned long mtime
, atime
;
1487 GetFileTime(f
, NULL
, &actime
, &wrtime
);
1488 TIME_WIN_TO_POSIX(actime
, atime
);
1489 TIME_WIN_TO_POSIX(wrtime
, mtime
);
1490 if (scp_send_filetimes(mtime
, atime
))
1494 size
= GetFileSize(f
, NULL
);
1496 tell_user(stderr
, "Sending file %s, size=%lu", last
, size
);
1497 if (scp_send_filename(last
, size
, 0644))
1501 stat_starttime
= time(NULL
);
1504 for (i
= 0; i
< size
; i
+= 4096) {
1505 char transbuf
[4096];
1510 if (!ReadFile(f
, transbuf
, k
, &j
, NULL
) || j
!= k
) {
1513 bump("%s: Read error", src
);
1515 if (scp_send_filedata(transbuf
, k
))
1516 bump("%s: Network error occurred", src
);
1520 if (time(NULL
) != stat_lasttime
|| i
+ k
== size
) {
1521 stat_lasttime
= time(NULL
);
1522 print_stats(last
, size
, stat_bytes
,
1523 stat_starttime
, stat_lasttime
);
1530 (void) scp_send_finish();
1534 * Recursively send the contents of a directory.
1536 static void rsource(char *src
)
1538 char *last
, *findfile
;
1541 WIN32_FIND_DATA fdat
;
1544 if ((last
= strrchr(src
, '/')) == NULL
)
1548 if (strrchr(last
, '\\') != NULL
)
1549 last
= strrchr(last
, '\\') + 1;
1550 if (last
== src
&& strchr(src
, ':') != NULL
)
1551 last
= strchr(src
, ':') + 1;
1553 /* maybe send filetime */
1555 save_target
= scp_save_remotepath();
1558 tell_user(stderr
, "Entering directory: %s", last
);
1559 if (scp_send_dirname(last
, 0755))
1562 findfile
= dupcat(src
, "/*", NULL
);
1563 dir
= FindFirstFile(findfile
, &fdat
);
1564 ok
= (dir
!= INVALID_HANDLE_VALUE
);
1566 if (strcmp(fdat
.cFileName
, ".") == 0 ||
1567 strcmp(fdat
.cFileName
, "..") == 0) {
1568 /* ignore . and .. */
1570 char *foundfile
= dupcat(src
, "/", fdat
.cFileName
, NULL
);
1574 ok
= FindNextFile(dir
, &fdat
);
1579 (void) scp_send_enddir();
1581 scp_restore_remotepath(save_target
);
1585 * Execute the sink part of the SCP protocol.
1587 static void sink(char *targ
, char *src
)
1594 unsigned long received
;
1596 unsigned long stat_bytes
;
1597 time_t stat_starttime
, stat_lasttime
;
1600 attr
= GetFileAttributes(targ
);
1601 if (attr
!= (DWORD
) - 1 && (attr
& FILE_ATTRIBUTE_DIRECTORY
) != 0)
1604 if (targetshouldbedirectory
&& !targisdir
)
1605 bump("%s: Not a directory", targ
);
1609 struct scp_sink_action act
;
1610 if (scp_get_sink_action(&act
))
1613 if (act
.action
== SCP_SINK_ENDDIR
)
1616 if (act
.action
== SCP_SINK_RETRY
)
1621 * Prevent the remote side from maliciously writing to
1622 * files outside the target area by sending a filename
1623 * containing `../'. In fact, it shouldn't be sending
1624 * filenames with any slashes or colons in at all; so
1625 * we'll find the last slash, backslash or colon in the
1626 * filename and use only the part after that. (And
1629 * In addition, we also ensure here that if we're
1630 * copying a single file and the target is a directory
1631 * (common usage: `pscp host:filename .') the remote
1632 * can't send us a _different_ file name. We can
1633 * distinguish this case because `src' will be non-NULL
1634 * and the last component of that will fail to match
1635 * (the last component of) the name sent.
1637 * Well, not always; if `src' is a wildcard, we do
1638 * expect to get back filenames that don't correspond
1639 * exactly to it. Ideally in this case, we would like
1640 * to ensure that the returned filename actually
1641 * matches the wildcard pattern - but one of SCP's
1642 * protocol infelicities is that wildcard matching is
1643 * done at the server end _by the server's rules_ and
1644 * so in general this is infeasible. Hence, we only
1645 * accept filenames that don't correspond to `src' if
1646 * unsafe mode is enabled or we are using SFTP (which
1647 * resolves remote wildcards on the client side and can
1650 char *striptarget
, *stripsrc
;
1652 striptarget
= stripslashes(act
.name
, 1);
1653 if (striptarget
!= act
.name
) {
1654 tell_user(stderr
, "warning: remote host sent a compound"
1655 " pathname '%s'", act
.name
);
1656 tell_user(stderr
, " renaming local file to '%s'",
1661 * Also check to see if the target filename is '.' or
1662 * '..', or indeed '...' and so on because Windows
1663 * appears to interpret those like '..'.
1665 if (is_dots(striptarget
)) {
1666 bump("security violation: remote host attempted to write to"
1667 " a '.' or '..' path!");
1671 stripsrc
= stripslashes(src
, 1);
1672 if (strcmp(striptarget
, stripsrc
) &&
1673 !using_sftp
&& !scp_unsafe_mode
) {
1674 tell_user(stderr
, "warning: remote host tried to write "
1675 "to a file called '%s'", striptarget
);
1676 tell_user(stderr
, " when we requested a file "
1677 "called '%s'.", stripsrc
);
1678 tell_user(stderr
, " If this is a wildcard, "
1679 "consider upgrading to SSH 2 or using");
1680 tell_user(stderr
, " the '-unsafe' option. Renaming"
1681 " of this file has been disallowed.");
1682 /* Override the name the server provided with our own. */
1683 striptarget
= stripsrc
;
1687 if (targ
[0] != '\0')
1688 destfname
= dupcat(targ
, "\\", striptarget
, NULL
);
1690 destfname
= dupstr(striptarget
);
1693 * In this branch of the if, the target area is a
1694 * single file with an explicitly specified name in any
1695 * case, so there's no danger.
1697 destfname
= dupstr(targ
);
1699 attr
= GetFileAttributes(destfname
);
1700 exists
= (attr
!= (DWORD
) - 1);
1702 if (act
.action
== SCP_SINK_DIR
) {
1703 if (exists
&& (attr
& FILE_ATTRIBUTE_DIRECTORY
) == 0) {
1704 run_err("%s: Not a directory", destfname
);
1708 if (!CreateDirectory(destfname
, NULL
)) {
1709 run_err("%s: Cannot create directory", destfname
);
1713 sink(destfname
, NULL
);
1714 /* can we set the timestamp for directories ? */
1718 f
= CreateFile(destfname
, GENERIC_WRITE
, 0, NULL
,
1719 CREATE_ALWAYS
, FILE_ATTRIBUTE_NORMAL
, 0);
1720 if (f
== INVALID_HANDLE_VALUE
) {
1721 run_err("%s: Cannot create file", destfname
);
1725 if (scp_accept_filexfer())
1729 stat_starttime
= time(NULL
);
1731 stat_name
= stripslashes(destfname
, 1);
1734 while (received
< act
.size
) {
1735 char transbuf
[4096];
1736 DWORD blksize
, read
, written
;
1738 if (blksize
> act
.size
- received
)
1739 blksize
= act
.size
- received
;
1740 read
= scp_recv_filedata(transbuf
, blksize
);
1742 bump("Lost connection");
1745 if (!WriteFile(f
, transbuf
, read
, &written
, NULL
) ||
1748 /* FIXME: in sftp we can actually abort the transfer */
1750 printf("\r%-25.25s | %50s\n",
1752 "Write error.. waiting for end of file");
1757 if (time(NULL
) > stat_lasttime
||
1758 received
+ read
== act
.size
) {
1759 stat_lasttime
= time(NULL
);
1760 print_stats(stat_name
, act
.size
, stat_bytes
,
1761 stat_starttime
, stat_lasttime
);
1767 FILETIME actime
, wrtime
;
1768 TIME_POSIX_TO_WIN(act
.atime
, actime
);
1769 TIME_POSIX_TO_WIN(act
.mtime
, wrtime
);
1770 SetFileTime(f
, NULL
, &actime
, &wrtime
);
1775 run_err("%s: Write error", destfname
);
1778 (void) scp_finish_filerecv();
1785 * We will copy local files to a remote server.
1787 static void toremote(int argc
, char *argv
[])
1789 char *src
, *targ
, *host
, *user
;
1793 targ
= argv
[argc
- 1];
1795 /* Separate host from filename */
1799 bump("targ == NULL in toremote()");
1803 /* Substitute "." for emtpy target */
1805 /* Separate host and username */
1807 host
= strrchr(host
, '@');
1818 /* Find out if the source filespec covers multiple files
1819 if so, we should set the targetshouldbedirectory flag */
1821 WIN32_FIND_DATA fdat
;
1822 if (colon(argv
[0]) != NULL
)
1823 bump("%s: Remote to remote not supported", argv
[0]);
1824 fh
= FindFirstFile(argv
[0], &fdat
);
1825 if (fh
== INVALID_HANDLE_VALUE
)
1826 bump("%s: No such file or directory\n", argv
[0]);
1827 if (FindNextFile(fh
, &fdat
))
1828 targetshouldbedirectory
= 1;
1832 cmd
= smalloc(strlen(targ
) + 100);
1833 sprintf(cmd
, "scp%s%s%s%s -t %s",
1834 verbose ?
" -v" : "",
1835 recursive ?
" -r" : "",
1836 preserve ?
" -p" : "",
1837 targetshouldbedirectory ?
" -d" : "", targ
);
1838 do_cmd(host
, user
, cmd
);
1841 scp_source_setup(targ
, targetshouldbedirectory
);
1843 for (i
= 0; i
< argc
- 1; i
++) {
1844 char *srcpath
, *last
;
1846 WIN32_FIND_DATA fdat
;
1848 if (colon(src
) != NULL
) {
1849 tell_user(stderr
, "%s: Remote to remote not supported\n", src
);
1855 * Trim off the last pathname component of `src', to
1856 * provide the base pathname which will be prepended to
1857 * filenames returned from Find{First,Next}File.
1859 srcpath
= dupstr(src
);
1860 last
= stripslashes(srcpath
, 1);
1863 dir
= FindFirstFile(src
, &fdat
);
1864 if (dir
== INVALID_HANDLE_VALUE
) {
1865 run_err("%s: No such file or directory", src
);
1871 * Ensure that . and .. are never matched by wildcards,
1872 * but only by deliberate action.
1874 if (!strcmp(fdat
.cFileName
, ".") ||
1875 !strcmp(fdat
.cFileName
, "..")) {
1877 * Find*File has returned a special dir. We require
1878 * that _either_ `src' ends in a backslash followed
1879 * by that string, _or_ `src' is precisely that
1882 int len
= strlen(src
), dlen
= strlen(fdat
.cFileName
);
1883 if (len
== dlen
&& !strcmp(src
, fdat
.cFileName
)) {
1885 } else if (len
> dlen
+ 1 && src
[len
- dlen
- 1] == '\\' &&
1886 !strcmp(src
+ len
- dlen
, fdat
.cFileName
)) {
1889 continue; /* ignore this one */
1891 filename
= dupcat(srcpath
, fdat
.cFileName
, NULL
);
1894 } while (FindNextFile(dir
, &fdat
));
1901 * We will copy files from a remote server to the local machine.
1903 static void tolocal(int argc
, char *argv
[])
1905 char *src
, *targ
, *host
, *user
;
1909 bump("More than one remote source not supported");
1914 /* Separate host from filename */
1918 bump("Local to local copy not supported");
1922 /* Substitute "." for empty filename */
1924 /* Separate username and hostname */
1926 host
= strrchr(host
, '@');
1936 cmd
= smalloc(strlen(src
) + 100);
1937 sprintf(cmd
, "scp%s%s%s%s -f %s",
1938 verbose ?
" -v" : "",
1939 recursive ?
" -r" : "",
1940 preserve ?
" -p" : "",
1941 targetshouldbedirectory ?
" -d" : "", src
);
1942 do_cmd(host
, user
, cmd
);
1945 if (scp_sink_setup(src
, preserve
, recursive
))
1952 * We will issue a list command to get a remote directory.
1954 static void get_dir_list(int argc
, char *argv
[])
1956 char *src
, *host
, *user
;
1962 /* Separate host from filename */
1966 bump("Local to local copy not supported");
1970 /* Substitute "." for empty filename */
1972 /* Separate username and hostname */
1974 host
= strrchr(host
, '@');
1984 cmd
= smalloc(4 * strlen(src
) + 100);
1985 strcpy(cmd
, "ls -la '");
1986 p
= cmd
+ strlen(cmd
);
1987 for (q
= src
; *q
; q
++) {
2000 do_cmd(host
, user
, cmd
);
2004 scp_sftp_listdir(src
);
2006 while (ssh_scp_recv(&c
, 1) > 0)
2007 tell_char(stdout
, c
);
2012 * Initialize the Win$ock driver.
2014 static void init_winsock(void)
2019 winsock_ver
= MAKEWORD(1, 1);
2020 if (WSAStartup(winsock_ver
, &wsadata
))
2021 bump("Unable to initialise WinSock");
2022 if (LOBYTE(wsadata
.wVersion
) != 1 || HIBYTE(wsadata
.wVersion
) != 1)
2023 bump("WinSock version is incompatible with 1.1");
2027 * Short description of parameters.
2029 static void usage(void)
2031 printf("PuTTY Secure Copy client\n");
2032 printf("%s\n", ver
);
2033 printf("Usage: pscp [options] [user@]host:source target\n");
2035 (" pscp [options] source [source...] [user@]host:target\n");
2036 printf(" pscp [options] -ls user@host:filespec\n");
2037 printf("Options:\n");
2038 printf(" -p preserve file attributes\n");
2039 printf(" -q quiet, don't show statistics\n");
2040 printf(" -r copy directories recursively\n");
2041 printf(" -v show verbose messages\n");
2042 printf(" -P port connect to specified port\n");
2043 printf(" -pw passw login with specified password\n");
2044 printf(" -unsafe allow server-side wildcards (DANGEROUS)\n");
2047 * -gui is an internal option, used by GUI front ends to get
2048 * pscp to pass progress reports back to them. It's not an
2049 * ordinary user-accessible option, so it shouldn't be part of
2050 * the command-line help. The only people who need to know
2051 * about it are programmers, and they can read the source.
2054 (" -gui hWnd GUI mode with the windows handle for receiving messages\n");
2060 * Main program (no, really?)
2062 int main(int argc
, char *argv
[])
2066 default_protocol
= PROT_TELNET
;
2068 flags
= FLAG_STDERR
;
2069 ssh_get_line
= &console_get_line
;
2073 for (i
= 1; i
< argc
; i
++) {
2074 if (argv
[i
][0] != '-')
2076 if (strcmp(argv
[i
], "-v") == 0)
2077 verbose
= 1, flags
|= FLAG_VERBOSE
;
2078 else if (strcmp(argv
[i
], "-r") == 0)
2080 else if (strcmp(argv
[i
], "-p") == 0)
2082 else if (strcmp(argv
[i
], "-q") == 0)
2084 else if (strcmp(argv
[i
], "-batch") == 0)
2085 console_batch_mode
= 1;
2086 else if (strcmp(argv
[i
], "-h") == 0 || strcmp(argv
[i
], "-?") == 0)
2088 else if (strcmp(argv
[i
], "-P") == 0 && i
+ 1 < argc
)
2089 portnumber
= atoi(argv
[++i
]);
2090 else if (strcmp(argv
[i
], "-pw") == 0 && i
+ 1 < argc
)
2091 console_password
= argv
[++i
];
2092 else if (strcmp(argv
[i
], "-gui") == 0 && i
+ 1 < argc
) {
2093 gui_hwnd
= argv
[++i
];
2095 console_batch_mode
= TRUE
;
2096 } else if (strcmp(argv
[i
], "-ls") == 0)
2098 else if (strcmp(argv
[i
], "-unsafe") == 0)
2099 scp_unsafe_mode
= 1;
2100 else if (strcmp(argv
[i
], "--") == 0) {
2113 get_dir_list(argc
, argv
);
2120 targetshouldbedirectory
= 1;
2122 if (colon(argv
[argc
- 1]) != NULL
)
2123 toremote(argc
, argv
);
2125 tolocal(argc
, argv
);
2128 if (back
!= NULL
&& back
->socket() != NULL
) {
2130 back
->special(TS_EOF
);
2131 ssh_scp_recv(&ch
, 1);
2136 /* GUI Adaptation - August 2000 */
2138 unsigned int msg_id
= WM_RET_ERR_CNT
;
2140 msg_id
= WM_LS_RET_ERR_CNT
;
2142 ((HWND
) atoi(gui_hwnd
), msg_id
, (WPARAM
) errs
,
2143 0 /*lParam */ ))SleepEx(1000, TRUE
);
2145 return (errs
== 0 ?
0 : 1);